WO2018149417A1 - Air-conditioning unit and operation control method and apparatus therefor, storage medium and processor - Google Patents

Air-conditioning unit and operation control method and apparatus therefor, storage medium and processor Download PDF

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Publication number
WO2018149417A1
WO2018149417A1 PCT/CN2018/076945 CN2018076945W WO2018149417A1 WO 2018149417 A1 WO2018149417 A1 WO 2018149417A1 CN 2018076945 W CN2018076945 W CN 2018076945W WO 2018149417 A1 WO2018149417 A1 WO 2018149417A1
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WIPO (PCT)
Prior art keywords
expansion valve
electronic expansion
conditioning unit
air conditioning
temperature
Prior art date
Application number
PCT/CN2018/076945
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French (fr)
Chinese (zh)
Inventor
刘群波
余凯
张辉
杨林
倪毅
王芳
王新亮
邹俊超
陈淦彬
Original Assignee
珠海格力电器股份有限公司
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Publication of WO2018149417A1 publication Critical patent/WO2018149417A1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/30—Expansion means; Dispositions thereof
    • F25B41/31—Expansion valves
    • F25B41/34—Expansion valves with the valve member being actuated by electric means, e.g. by piezoelectric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2600/00—Control issues
    • F25B2600/25—Control of valves
    • F25B2600/2513—Expansion valves
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Definitions

  • Embodiments of the present invention relate to the field of air conditioners, and in particular, to an air conditioning unit, an operation control method thereof, an apparatus, a storage medium, and a processor.
  • multi-line systems are implemented by subcoolers or plate heat exchangers while maintaining a certain degree of subcooling.
  • a multi-line system with a large cooling capacity relies on a subcooler or a plate heat exchanger to maintain a certain degree of subcooling, thereby ensuring noise problems during operation of the air conditioning unit.
  • the main object of the embodiments of the present invention is to provide an air conditioning unit, an operation control method thereof, an apparatus, a storage medium, and a processor. To solve at least the technical problem of high operation control cost of the air conditioning unit.
  • an operation control method of an air conditioning unit comprises: when the air conditioning unit is started up, controlling the electronic expansion valve of the air conditioning unit to be initialized; controlling the electronic expansion valve to establish a degree of subcooling during the initialization process; controlling the noise of the air conditioning unit according to the degree of subcooling .
  • the initializing of the electronic expansion valve for controlling the air conditioning unit comprises: determining whether the electronic expansion valve meets a preset condition; if it is determined that the electronic expansion valve meets a preset condition, controlling the electronic expansion valve to exit initialization; wherein, the electronic expansion valve is controlled to exit After initialization, the air conditioning unit is automatically controlled.
  • determining an operation mode of the air conditioning unit if it is determined that the operation mode is the cooling mode, controlling the opening degree of the external electronic expansion valve to be fully opened, and controlling the internal electronic expansion valve Initializing, wherein the electronic expansion valve comprises an external electronic expansion valve and an internal electronic expansion valve; if it is determined that the operation mode is the heating mode, the opening of the internal electronic expansion valve is controlled to be fully open, and the external electronic expansion valve is controlled. Initialize.
  • controlling the internal electronic expansion valve to perform initialization includes: obtaining a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and a corrected temperature of an external environment temperature of the air conditioning unit;
  • the machine output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature adjust the opening of the internal electronic expansion valve.
  • obtaining the compressor output coefficient of the air conditioning unit, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit include: obtaining the operating frequency according to the compressor and the full load frequency
  • the output coefficient of the compressor; the coefficient of the electronic expansion valve is obtained according to the diameter of the external electronic expansion valve or the internal electronic expansion valve and the reference diameter of the electronic expansion valve; the internal correction temperature and the internal ambient temperature are obtained according to the internal ambient temperature.
  • adjusting the opening degree of the internal electronic expansion valve according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature, and the corrected temperature of the external environment temperature include: adjusting the internal electronic expansion valve by the following first formula
  • the initialization of the external electronic expansion valve includes: obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and adjusting the external electronic expansion valve according to the outer ring coefficient correction amount and the operating frequency Opening.
  • the obtaining the outer ring coefficient correction amount of the air conditioning unit in the heating mode comprises: determining whether the external environment temperature of the air conditioning unit is greater than or equal to the preset temperature; if it is determined that the external environment temperature of the air conditioning unit is greater than or equal to the preset temperature, obtaining The first outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; if it is determined that the outer environment temperature of the air conditioning unit is less than a preset temperature, obtaining a second outer loop coefficient correction amount, wherein The loop coefficient correction amount includes the second outer loop coefficient correction amount.
  • determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the cooling mode, determining whether the initialization time of the internal electronic expansion valve reaches the first preset time, or detecting whether the air conditioning unit passes the electronic expansion valve The preset degree of subcooling is established; if it is determined that the initialization time of the internal electronic expansion valve reaches the first preset time, or the air conditioning unit is detected to establish the preset degree of subcooling through the electronic expansion valve, it is determined that the electronic expansion valve conforms to the pre-predetermined Set conditions.
  • determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the heating mode, determining whether the time for initializing the external electronic expansion valve reaches a second preset time, or detecting that the air conditioning unit passes the electronic expansion valve Whether to establish a preset degree of subcooling; if it is determined that the internal electronic expansion valve is initialized for a second preset time, or it is detected that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, it is determined that the electronic expansion valve conforms to the pre Set conditions.
  • an operation control device for an air conditioning unit is further provided.
  • a first control unit configured to control an electronic expansion valve of the air conditioning unit to be initialized when the air conditioning unit is powered on; and a second control unit configured to control the electronic expansion valve to establish a degree of subcooling during initialization; the third control unit , set to control the noise of the air conditioning unit according to the degree of subcooling.
  • an air conditioning unit is also provided.
  • the air conditioning unit includes an operation control device of the air conditioning unit of the present invention.
  • a storage medium includes a stored program, wherein the device in which the storage medium is located controls the operation control method of the air conditioning unit according to the embodiment of the present invention when the program is running.
  • a processor is also provided.
  • the processor is configured to run a program, wherein the program operation method of the air conditioning unit of the embodiment of the present invention is executed while the program is running.
  • the electronic expansion valve of the air conditioning unit when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is controlled to be initialized; the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process; and the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the control mode of the electronic expansion valve it replaces the function of the subcooler in the multi-line system, ensures the noise problem of the air conditioning unit, and solves the technical problem of high operation control cost of the air conditioning unit by reducing the components of the air conditioning unit. Therefore, the technical effect of the operation control cost of the air conditioning unit is reduced.
  • FIG. 1 is a flow chart of an operation control method of an air conditioning unit according to an embodiment of the present invention
  • FIG. 2 is a flow chart of another operation control method of an air conditioning unit according to an embodiment of the present invention.
  • FIG. 3 is a schematic diagram of an operation control device of an air conditioning unit according to an embodiment of the present invention.
  • Embodiments of the present invention provide an operation control method for an air conditioning unit.
  • FIG. 1 is a flow chart of an operation control method of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 1, the operation control method includes the following steps:
  • Step S102 when the air conditioning unit is turned on, the electronic expansion valve of the air conditioning unit is controlled to be initialized.
  • step S102 of the present invention when the air conditioning unit is started up, the electronic expansion valve (Electronic Expansion Valves, referred to as EXV) of the air conditioning unit is controlled for initialization.
  • EXV Electronic Expansion Valves
  • the air conditioning unit of this embodiment is provided with an electronic expansion valve, and the electronic expansion valve is substituted for the subcooler originally provided by the air conditioning unit.
  • the initial state of the air conditioning unit is the shutdown state, and when the air conditioning unit is turned on, the electronic expansion valve is controlled to be initialized. Wherein, the initialization of the electronic expansion valve is to adjust the opening degree of the electronic expansion valve.
  • the operating mode of the air conditioning unit after starting up includes the cooling mode and the heating mode.
  • the electronic expansion valve is initialized, that is, the electronic expansion valve is initialized, and the opening of the electronic expansion valve of the external machine can be fully opened, and the internal electronic expansion valve is controlled to be initialized, that is, the control is controlled outdoors.
  • the opening degree of the electronic expansion valve of the machine is adjusted to the maximum opening degree, and the opening degree of the electronic expansion valve of the internal machine is adjusted.
  • the opening degree of the internal electronic expansion valve can be adjusted according to the compressor output coefficient, the electronic expansion valve coefficient, the internal environment correction temperature, and the external environment correction temperature.
  • control electronic expansion valve is initialized to control the opening of the internal electronic expansion valve
  • the external electronic expansion valve is initialized, that is, the opening of the electronic expansion valve of the indoor unit is adjusted to the maximum.
  • the opening value is adjusted to adjust the opening degree of the external electronic expansion valve.
  • the opening degree of the external electronic expansion valve can be adjusted according to the compressor output coefficient and the electronic expansion valve coefficient.
  • step S104 the electronic expansion valve is controlled to establish a degree of subcooling during the initialization process.
  • the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process.
  • the state of the electronic expansion valve changes, for example, the opening of the electronic expansion valve changes, or the degree of subcooling is established by the electronic expansion valve.
  • the degree of subcooling is established, wherein whether the subcooling degree is established according to the condenser inlet temperature and the condenser outlet temperature, for example, determining the difference between the condenser inlet temperature and the condenser outlet temperature Whether it is greater than or equal to the preset temperature, that is, the condenser inlet temperature - the condenser outlet temperature ⁇ a certain temperature (such as 3 ° C), if it is judged that the difference between the condenser inlet temperature and the condenser outlet temperature is greater than or equal to the preset temperature, it is determined
  • the electronic expansion valve establishes the degree of subcooling during the initialization process, thereby avoiding the subcooling of the air conditioning unit through the subcooler, and realizing the control mode through the electronic expansion valve, replacing the subcooler in the multi-line system.
  • step S106 the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the air conditioning unit generates noise during operation, and this embodiment replaces the function of the subcooler in the multi-line system by the control mode of the electronic expansion valve. After the supercooling degree is established in the process of controlling the electronic expansion valve during initialization, the noise of the air conditioning unit during operation is controlled according to the established degree of subcooling, thereby ensuring the noise problem generated by the air conditioning unit during operation.
  • the electronic expansion valve of the air conditioning unit is initialized when the air conditioning unit is started up; the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process; and the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the control mode of the electronic expansion valve the function of the subcooler in the multi-line system is replaced, the noise problem of the air conditioning unit is ensured, and the operation control cost of the air conditioning unit is reduced by reducing the components of the air conditioning unit.
  • controlling the electronic expansion valve of the air conditioning unit to perform initialization includes: determining whether the electronic expansion valve meets a preset condition; if it is determined that the electronic expansion valve meets a preset condition, controlling the electronic expansion valve to exit initialization; After controlling the electronic expansion valve to exit initialization, the air conditioning unit is automatically controlled.
  • the electronic expansion valve of the air conditioning unit When the electronic expansion valve of the air conditioning unit is initialized, it is determined whether the electronic expansion valve meets a preset condition, for example, the electronic expansion valve is initialized for a certain period of time, or a certain degree of subcooling has been established through the electronic expansion valve. If it is determined that the electronic expansion valve meets the preset condition, the electronic expansion valve is controlled to exit the initialization, and the automatic control adjustment is entered, that is, the opening of the electronic expansion valve is no longer adjusted, and the adjustment of the air conditioning unit into normal operation is controlled.
  • a preset condition for example, the electronic expansion valve is initialized for a certain period of time, or a certain degree of subcooling has been established through the electronic expansion valve. If it is determined that the electronic expansion valve meets the preset condition, the electronic expansion valve is controlled to exit the initialization, and the automatic control adjustment is entered, that is, the opening of the electronic expansion valve is no longer adjusted, and the adjustment of the air conditioning unit into normal operation is controlled.
  • determining an operation mode of the air conditioning unit; and controlling the electronic expansion valve of the air conditioning unit to perform initialization includes: if it is determined that the operation mode is the cooling mode, the control is outside The opening of the electronic expansion valve of the machine is fully opened, and the internal electronic expansion valve is controlled to be initialized.
  • the electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve; if it is determined that the operation mode is the heating mode, the control is within the control The opening of the electronic expansion valve of the machine is fully opened, and the external electronic expansion valve is controlled to be initialized.
  • the operating state of the air conditioning unit includes a cooling mode and a heating mode
  • the electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve.
  • the expansion valve is initialized, and further, the opening degree of the internal electronic expansion valve is adjusted, and the opening degree of the internal electronic expansion valve can be adjusted according to a preset parameter. If it is judged that the operation mode of the air conditioning unit is in the heating mode, the opening degree of the internal electronic expansion valve is controlled to be fully opened, that is, the opening degree of the internal electronic expansion valve is controlled to the maximum opening degree.
  • the external electronic expansion valve is initialized, that is, the opening of the internal electronic expansion valve is adjusted, and the opening of the external electronic expansion valve can be adjusted according to the preset parameters. Adapt to adjustments.
  • the internal electronic expansion valve can be fully closed or opened.
  • controlling the internal electronic expansion valve to perform initialization includes: obtaining a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and an external ambient temperature of the air conditioning unit.
  • the corrected temperature; the opening degree of the internal electronic expansion valve is adjusted according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature.
  • the compressor output coefficient of the air conditioning unit is obtained, and the compressor output coefficient can be calculated by the operating frequency and the full load frequency of the compressor, wherein the operating frequency of the compressor is the current compressor Operating frequency.
  • the coefficient of the electronic expansion valve can be calculated by the diameter of the electronic expansion of the internal machine or the diameter of the external electronic expansion valve and the diameter of the reference electronic expansion valve.
  • the corrected temperature of the internal ambient temperature of the air conditioning unit is obtained, and the corrected temperature of the internal ambient temperature can be calculated by the base correction coefficient of the currently detected internal environment temperature and the internal environment temperature.
  • the corrected temperature of the external ambient temperature of the air conditioning unit can be calculated by the base correction coefficient of the external environment temperature and the external environment temperature currently detected, and the basic correction coefficient of the external environment temperature.
  • the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature of the air conditioning unit, and the corrected temperature of the external ambient temperature of the air conditioning unit according to the compressor output coefficient, the coefficient of the electronic expansion valve, and the inside
  • the corrected temperature of the ambient temperature and the corrected temperature of the external ambient temperature adjust the opening of the internal electronic expansion valve.
  • obtaining the compressor output coefficient of the air conditioning unit, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit include: according to the operation of the compressor The output coefficient of the compressor is obtained at the frequency and the full load frequency; the coefficient of the electronic expansion valve is obtained according to the diameter of the external electronic expansion valve or the internal electronic expansion valve and the reference diameter of the electronic expansion valve; the correction coefficient and the internal environment according to the internal ambient temperature The temperature obtains the corrected temperature of the internal ambient temperature; the corrected temperature of the external ambient temperature is obtained according to the base correction coefficient of the external ambient temperature and the external ambient temperature.
  • the initialization of the electronic expansion valve of this embodiment is based on the real-time compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit.
  • the opening degree of the expansion valve is only a preferred embodiment of the embodiment of the present invention, and does not mean that only the above adjustment mode is adopted when adjusting the opening degree of the electronic expansion valve, and the embodiment of the present invention may not be based on compression in adjusting the electronic expansion valve.
  • the output coefficient of the machine, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature of the air conditioning unit, and the corrected temperature of the external ambient temperature of the air conditioning unit adjust the opening degree of the electronic expansion valve, and the opening degree of the electronic expansion valve can be performed by other adjustment methods. Adjust accordingly.
  • B is used to indicate the coefficient of the electronic expansion valve
  • C is used to indicate the corrected temperature of the internal ambient temperature
  • D is used to indicate the corrected temperature of the external ambient temperature
  • A f / f 0
  • B b / b 0
  • C C 0 *(T in -c)
  • D D 0 *(dT out )
  • f is used to indicate the operating frequency
  • f 0 is used to represent the full load frequency
  • b is used to represent the external electronic expansion valve or
  • b 0 is used to indicate the reference diameter of the electronic expansion valve
  • C 0 is used to indicate the basic correction coefficient of the internal ambient temperature
  • T in is used to indicate the internal ambient temperature
  • c is used to indicate the internal ambient temperature.
  • c 27 °C
  • D 0 denotes the external ambient temperature for
  • T out for indicating external temperature
  • d is used to indicate the temperature outside ambient temperature conditions, for example, d is 29 °C.
  • controlling the external electronic expansion valve to perform initialization includes: obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and correcting the amount and the operating frequency according to the outer ring coefficient Adjust the opening of the external electronic expansion valve.
  • the air conditioning unit After the air conditioning unit is turned on, if it is running in the heating mode, the internal electronic expansion valve is fully opened, and the external electronic expansion valve is controlled to initialize, that is, the external electronic expansion valve is initialized.
  • the external electronic expansion valve When the external electronic expansion valve is initialized, the outer ring coefficient correction amount of the air conditioning unit and the operating frequency of the compressor are obtained, and the opening degree of the external electronic expansion valve is calculated by the outer ring correction amount and the operating frequency of the compressor.
  • the operating frequency of the compressor is the operating frequency of the current compressor.
  • the opening degree of the external electronic expansion valve is greater than or equal to the preset opening degree, wherein the preset opening degree is determined according to the hair diameter of the specific external electronic expansion valve, for example, a 480 pls valve can The selected preset opening is 80pls. If the opening degree of the electronic expansion valve is less than the preset opening degree, the opening degree of the electronic expansion valve is controlled to be a preset opening degree, thereby realizing the initialization of the external electronic expansion valve.
  • obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode includes: determining whether an outer ambient temperature of the air conditioning unit is greater than or equal to a preset temperature; and determining that an outer ambient temperature of the air conditioning unit is greater than Equal to the preset temperature, obtaining a first outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; if it is determined that the outer environment temperature of the air conditioning unit is less than a preset temperature, obtaining a second outer loop coefficient The correction amount, wherein the outer loop coefficient correction amount includes the second outer loop coefficient correction amount.
  • the preset temperature is 0 ° C, and it is determined whether the external ambient temperature is greater than or equal to the preset temperature. If the external ambient temperature is greater than or equal to 0 ° C, the outer loop correction coefficient takes a value of 3.
  • the second outer loop coefficient correction amount is obtained.
  • the preset temperature is 0 ° C and the external environment temperature is less than 0 ° C
  • the outer loop correction coefficient takes a value of 5.
  • the external environment temperature is determined by using 0 ° C as the determination limit.
  • the outer ring coefficient correction amount is only a preferred embodiment of the present invention, and is not limited to the external environment temperature, and the outer ring coefficient correction amount can only be determined by 0 ° C.
  • the method of realizing the initialization of the external electronic expansion valve is within the protection scope of the present invention, and will not be exemplified herein.
  • P 2 a * f ⁇ P min , where P min depends on the valve diameter of the specific external electronic expansion valve.
  • determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the cooling mode, determining whether the initialization time of the internal electronic expansion valve reaches the first preset time, or detecting the air conditioner Whether the unit establishes a preset degree of subcooling through the electronic expansion valve; if it is determined that the internal electronic expansion valve is initialized for a first preset time, or detects that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
  • the electronic expansion valve of the air conditioning unit includes an internal electronic expansion valve and an external electronic expansion valve
  • the operation mode of the air conditioning unit includes a cooling mode and a heating mode.
  • obtaining a condenser inlet temperature and a condenser outlet temperature of the air conditioning unit determining whether a difference between the condenser inlet temperature and the condenser outlet temperature is greater than or equal to a predetermined temperature, and the predetermined temperature may be 3° C., if the condenser inlet is determined If the difference between the temperature and the condenser outlet temperature is greater than or equal to the predetermined temperature, it is detected that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, and determines that the electronic expansion valve meets the preset condition, and then controls the internal electronic expansion valve to exit initialization.
  • determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the heating mode, determining whether the time for initializing the external electronic expansion valve reaches the second preset time, or detecting Whether the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve; if it is determined that the internal electronic expansion valve is initialized for a second preset time, or detects that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
  • the second preset time may be the same as the first preset time, for example, determining whether the internal electronic expansion valve is initialized for 5 minutes or, due to the establishment of the subcooling during the initialization of the electronic expansion valve, detecting the air conditioning unit Whether the preset subcooling degree is established by the electronic expansion valve, if it is detected that the air conditioning unit establishes the preset subcooling degree through the electronic expansion valve, and determines that the electronic expansion valve meets the preset condition, the external electronic expansion valve is controlled to exit the initialization.
  • the electronic expansion valve of the air conditioning unit when the air conditioning unit is started up, when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; the electronic expansion valve is controlled to establish a degree of subcooling during the initialization process; and the air conditioning unit is controlled according to the degree of subcooling.
  • the noise Through the control mode of the electronic expansion valve, the function of the subcooler in the multi-line system is replaced, the noise problem of the air conditioning unit is ensured, and the operation control cost of the air conditioning unit is reduced by reducing the components of the air conditioning unit.
  • FIG. 2 is a flow chart of another operation control method of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:
  • step S201 an operation mode of the air conditioning unit operation is determined.
  • the initial state of the air conditioning unit is the shutdown state, the air conditioning unit is started, the air conditioning unit starts running, and the operation mode of the air conditioning unit is determined.
  • Step 202 a cooling mode.
  • step S203 the external unit EXV is fully opened, and the internal machine EXV opening degree P 1 is turned on.
  • the external unit EXV After determining that the operation mode of the air conditioning unit is the cooling mode, the external unit EXV is fully opened, that is, the opening degree of the external unit EXV is controlled to the maximum opening degree.
  • the internal engine EXV is initialized, that is, the opening degree of the internal engine EXV is adjusted to be P 1 .
  • the initialization of the electronic expansion valve in this embodiment is to adjust the opening degree of the electronic expansion valve according to the real-time A, B, C, and D.
  • the real-time A, B, and C may not be used.
  • D adjust the opening of the electronic expansion valve, which can be adjusted accordingly.
  • D is the external environment correction temperature
  • D D 0 * (20-T out )
  • D 0 is the base correction coefficient
  • D ⁇ 0, T out is the currently detected ambient temperature
  • Step 209 heating mode.
  • the air conditioning unit After the air conditioning unit is started, it is determined that the operating mode of the air conditioning unit is in the cooling mode.
  • step S210 the internal engine EXV is fully opened, and the external machine EXV opening degree P 2 .
  • the internal engine EXV After determining that the operation mode of the air conditioning unit is the cooling mode, the internal engine EXV is fully opened, and the internal machine can be fully closed or opened with a certain degree of opening, and the opening degree of the internal engine EXV is adjusted to the maximum opening degree.
  • the outdoor unit is initialized, and the external unit EXV opening degree P 2 , that is, the opening degree of the internal unit EXV is adjusted to be P 2 .
  • the external machine EXV opening degree P2 a*f, where a is the heating outer ring coefficient correction amount, f the current compressor operating frequency.
  • step S213 it is detected whether the initialization time reaches a certain time, or whether the degree of subcooling is established.
  • the air conditioning unit When the air conditioning unit is running in the cooling mode, when the internal electronic expansion valve EXV is initialized for a certain period of time (such as 5 minutes), or if a certain degree of subcooling has been established, the internal electronic expansion valve is initialized and enters the automatic control adjustment, that is, , the air conditioning unit enters the regulation during normal operation.
  • a certain period of time such as 5 minutes
  • the internal electronic expansion valve is initialized and enters the automatic control adjustment, that is, , the air conditioning unit enters the regulation during normal operation.
  • the external electronic expansion valve When the air conditioning unit is running in the heating mode, when the external electronic expansion valve is initialized for a certain period of time (for example, 5 minutes), or if a certain degree of subcooling has been established, the external electronic expansion valve is initialized and enters the automatic adjustment phase.
  • the T1 condition includes both the inner ring and the outer ring, which is a condition specified in the national standard.
  • the external environment temperature T out ⁇ 0 in this embodiment is 0 ° C, but the present invention is not limited to this.
  • the operation mode of the air conditioning unit is determined.
  • the operation mode is determined to be the cooling mode
  • the external machine EXV is fully opened
  • the internal machine EXV opening degree P 1 is activated.
  • the electronic expansion valve replaces the function of the subcooler in the multi-line system, realizes the rapid establishment of the subcooling degree, reduces the system components, reduces the cost, and solves the operation control of the air conditioning unit when the air conditioner is started up.
  • the technical problem of high cost thereby reducing the technical effect of the operation control cost of the air conditioning unit.
  • the embodiment of the invention also provides an operation control device for the air conditioning unit. It should be noted that the operation control device of the air conditioning unit of this embodiment can be used to execute the operation control method of the air conditioning unit according to the embodiment of the present invention.
  • the operation control device of the air conditioning unit includes a first control unit 10, a second control unit 20, and a third control unit 30.
  • the first control unit 10 is configured to control the electronic expansion valve of the air conditioning unit to initialize when the air conditioning unit is powered on.
  • the second control unit 20 is arranged to control the electronic expansion valve to establish a degree of subcooling during initialization.
  • the third control unit 30 is arranged to control the noise of the air conditioning unit according to the degree of subcooling.
  • first control unit 10, the second control unit 20, and the third control unit 30 may be operated in the air conditioning unit as part of the device, and may be implemented by the processor in the air conditioning unit.
  • the first control unit 10 includes: a first determining module and a first control module.
  • the first determining module is configured to determine whether the electronic expansion valve meets a preset condition; the first control module is configured to control the electronic expansion valve to exit initialization when the electronic expansion valve is broken according to a preset condition; wherein the device further includes The fourth control unit is configured to automatically control the air conditioning unit after controlling the electronic expansion valve to exit initialization.
  • first determining module and the first control module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
  • the apparatus further includes: a determining unit, a fifth control unit, and a sixth control unit.
  • the determining unit is configured to determine an operating mode of the air conditioning unit before determining whether the electronic expansion valve meets the preset condition; and the fifth control unit is configured to determine that the operating mode is the cooling mode and control the opening of the external electronic expansion valve Fully open, and control the internal electronic expansion valve to initialize, wherein the electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve; the sixth control unit is set to determine that the operating mode is heating mode, control The opening of the internal electronic expansion valve is fully opened, and the external electronic expansion valve is controlled to be initialized.
  • the above-mentioned judging unit, fifth control unit and sixth control unit can be operated in the air conditioning unit as part of the device, and the functions realized by the above unit can be performed by the processor in the air conditioning unit.
  • the fifth control unit includes: a first acquiring module and a first adjusting module.
  • the first obtaining module is configured to obtain a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of the internal environment temperature of the air conditioning unit, and a corrected temperature of the external environment temperature of the air conditioning unit; the first adjustment module, setting The opening degree of the internal electronic expansion valve is adjusted according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature.
  • first obtaining module and the first adjusting module may be operated in the air conditioning unit as part of the device, and the functions implemented by the unit may be performed by a processor in the air conditioning unit.
  • the first obtaining module includes: a first acquiring submodule, a second acquiring submodule, a third acquiring submodule, and a fourth acquiring submodule.
  • the first obtaining submodule is configured to obtain a compressor output coefficient according to the operating frequency of the compressor and the full load frequency; and the second obtaining submodule is set according to the caliber of the external electronic expansion valve or the internal electronic expansion valve, and the electronic The reference aperture of the expansion valve obtains the coefficient of the electronic expansion valve;
  • the third acquisition sub-module is set to obtain the corrected temperature of the internal ambient temperature according to the base correction coefficient of the internal ambient temperature and the internal ambient temperature; and the fourth acquisition sub-module is set to be externally The base correction factor of the ambient temperature and the external ambient temperature obtain the corrected temperature of the external ambient temperature.
  • first acquiring submodule, the second obtaining submodule, the third obtaining submodule, and the fourth acquiring submodule may be operated as part of the device in the air conditioning unit, and may pass through a processor in the air conditioning unit. To perform the functions implemented by the above unit.
  • P 0 is used to indicate the internal machine
  • A is used to indicate the compressor output coefficient
  • B is used to indicate the coefficient of the electronic expansion valve
  • C is used to indicate the corrected temperature of the internal ambient temperature
  • D is used to indicate the corrected temperature of the external ambient temperature
  • A f/f 0
  • B b/b 0
  • C C 0 *(T in -c)
  • D D 0 *(dT out )
  • f is used to represent the operating frequency
  • f 0 is used Indicates the full load frequency
  • b is used to indicate the diameter of the external electronic expansion valve or the internal electronic expansion valve
  • b 0 is used to indicate the reference diameter of the electronic expansion valve
  • C 0 is used to indicate the basic correction coefficient of the internal ambient temperature.
  • Indicating the internal ambient temperature c is used to indicate the operating temperature of the internal ambient temperature, D 0 is used to indicate the basic correction coefficient of the external ambient temperature, T out is used to indicate the external ambient temperature, and d is used to indicate the external ambient temperature. temperature.
  • the sixth control unit includes: a second acquiring module and a second adjusting module.
  • the second obtaining module is configured to obtain an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and the second adjusting module is configured to adjust the outer unit according to the outer ring coefficient correction amount and the operating frequency.
  • the opening of the electronic expansion valve is configured to obtain an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor.
  • the second obtaining module and the second adjusting module may be operated in the air conditioning unit as part of the device, and the functions implemented by the unit may be performed by a processor in the air conditioning unit.
  • the second obtaining module includes: a first determining submodule, a fifth obtaining submodule, and a sixth acquiring submodule.
  • the first determining sub-module is configured to determine whether the external ambient temperature of the air conditioning unit is greater than or equal to a preset temperature; and the fifth obtaining sub-module is configured to obtain the first when determining that the external ambient temperature of the air conditioning unit is greater than or equal to a preset temperature
  • An outer loop coefficient correction amount wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; and the sixth acquisition submodule is configured to acquire the second outer portion when determining that the outer environment temperature of the air conditioning unit is less than a preset temperature
  • the loop coefficient correction amount wherein the outer loop coefficient correction amount includes the second outer loop coefficient correction amount.
  • the first determining sub-module, the fifth obtaining sub-module, and the sixth acquiring sub-module may be operated in the air conditioning unit as part of the device, and may be implemented by the processor in the air conditioning unit.
  • the first determining module includes: a second determining submodule and a first determining submodule.
  • the second determining sub-module is configured to determine whether the time for initializing the internal electronic expansion valve reaches the first preset time when determining that the operating mode is the cooling mode, or detecting whether the air conditioning unit has established the pre-expansion through the electronic expansion valve Setting the degree of subcooling;
  • the first determining sub-module is configured to determine that the initialization time of the internal electronic expansion valve reaches a first preset time, or when detecting that the air conditioning unit establishes a preset subcooling degree through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
  • the second determining sub-module and the first determining sub-module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
  • the first determining submodule includes: a third determining submodule and a second determining submodule.
  • the third determining sub-module is configured to determine whether the time for the external electronic expansion valve to initialize reaches a second preset time when determining that the operating mode is the heating mode, or to detect whether the air conditioning unit establishes a pre-condition through the electronic expansion valve.
  • Setting a subcooling degree; the second determining submodule is configured to, when it is determined that the initialization time of the internal electronic expansion valve reaches a second preset time, or detecting that the air conditioning unit establishes a preset subcooling degree through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
  • the third determining sub-module and the second determining sub-module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
  • the embodiment of the invention further provides an air conditioning unit, comprising the operation control device of the air conditioning unit according to the embodiment of the invention.
  • the air conditioning unit may be configured to execute the following steps in the operation control method of the air conditioning unit: when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; and the electronic expansion valve is controlled to be initialized.
  • the degree of coldness is established during the process; the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the air conditioning unit may include: one or more processors, a memory, and a transmission device.
  • the memory can be used to store software programs and modules, such as the air conditioning unit and its operation control method and program corresponding to the program instructions/modules in the embodiment of the present invention, and the processor executes by executing the software program and the module stored in the memory.
  • the memory may include a high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
  • the memory can further include memory remotely located relative to the processor, which can be connected to the terminal over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
  • the above transmission device is for receiving or transmitting data via a network.
  • Specific examples of the above network may include a wired network and a wireless network.
  • the transmission device includes a Network Interface Controller (NIC) that can be connected to other network devices and routers via a network cable to communicate with the Internet or a local area network.
  • the transmission device is a Radio Frequency (RF) module for communicating with the Internet wirelessly.
  • NIC Network Interface Controller
  • RF Radio Frequency
  • the memory is used to store an application within the air conditioning unit.
  • the processor can call the memory stored information and the application by the transmitting device to execute the program code of the method steps of each of the alternative or preferred embodiments of the above method embodiments.
  • a person of ordinary skill in the art can understand that all or part of the steps of the foregoing embodiments can be completed by a program to instruct the air conditioning unit related hardware, and the program can be stored in an air conditioning unit readable storage medium, the storage medium. It may include: a flash disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
  • the embodiment of the invention further provides a storage medium.
  • the storage medium includes a stored program, wherein the device in which the storage medium is located controls the operation control method of the air conditioning unit according to the embodiment of the present invention when the program is running.
  • the various functional modules provided by the embodiments of the present application may be operated in an air conditioning unit or the like, or may be stored as part of a storage medium.
  • the foregoing storage medium may be used to save the program code executed by the operation control method of the air conditioning unit provided by the foregoing method embodiment and the device embodiment.
  • the storage medium is configured to store program code for performing the following steps: when the air conditioning unit is powered on, controlling the electronic expansion valve of the air conditioning unit to initialize; and controlling the electronic expansion valve to be initialized.
  • the degree of coldness is established during the process; the noise of the air conditioning unit is controlled according to the degree of subcooling.
  • the storage medium may also be provided as program code for storing various preferred or optional method steps provided by the operation control method of the air conditioning unit.
  • An embodiment of the present invention further provides a processor.
  • the processor is configured to run a program, wherein the program operation method of the air conditioning unit of the embodiment of the present invention is executed while the program is running.
  • the processor can call the running program of the operation control method of the air conditioning unit.
  • the processor may be configured to perform the following steps: when the air conditioning unit is powered on, the electronic expansion valve of the air conditioning unit is controlled to be initialized; and the control electronic expansion valve is established during the initialization process. Cooling; control the noise of the air conditioning unit according to the degree of subcooling.
  • the above processor can execute various functional applications and data processing by running a software program and a module stored in the memory, that is, implementing the above-described operation control method of the air conditioning unit.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in a storage device by a computing device, or they may be fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • the technical solution provided by the embodiment of the present application can be applied to the operation control process of the air conditioning unit, and when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; and the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process. Control the noise of the air conditioning unit according to the degree of subcooling. Through the control mode of the electronic expansion valve, it replaces the function of the subcooler in the multi-line system, ensures the noise problem of the air conditioning unit, and solves the technical problem of high operation control cost of the air conditioning unit by reducing the components of the air conditioning unit. Therefore, the technical effect of the operation control cost of the air conditioning unit is reduced.

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Abstract

An air-conditioning unit and an operation control method and apparatus therefor, a storage medium and a processor. The operation control method for an air-conditioning unit comprises: when the air-conditioning unit is started up and in operation, controlling the initialisation of an electronic expansion valve of the air-conditioning unit (S102); controlling the establishment of a super-cooling degree during the initialisation of the electronic expansion valve (S104); and controlling the noise of the air-conditioning unit according to the super-cooling degree (S106). The operation control method for an air-conditioning unit can reduce the operation control cost of the air-conditioning unit.

Description

空调机组及其运行控制方法、装置、存储介质和处理器Air conditioning unit and its operation control method, device, storage medium and processor
本申请要求于2017年02月20日提交中国专利局、优先权号为201710091789.X、发明名称为“空调机组及其运行控制方法和装置”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。The present application claims priority to Chinese Patent Application No. 201710091789.X, entitled "Air-Conditioning Unit and Operation Control Method and Apparatus", filed on February 20, 2017, the entire contents of which are hereby incorporated by reference. Combined in this application.
技术领域Technical field
本发明实施例涉及空调器领域，具体而言，涉及一种空调机组及其运行控制方法、装置、存储介质和处理器。Embodiments of the present invention relate to the field of air conditioners, and in particular, to an air conditioning unit, an operation control method thereof, an apparatus, a storage medium, and a processor.
背景技术Background technique
目前，多联机***在维持一定过冷度时，通过过冷器或者板式换热器进行实现。比如，大冷量的多联机***均依靠过冷器或者板式换热器维持一定过冷度，从而保证了空调机组运行时的噪音问题。At present, multi-line systems are implemented by subcoolers or plate heat exchangers while maintaining a certain degree of subcooling. For example, a multi-line system with a large cooling capacity relies on a subcooler or a plate heat exchanger to maintain a certain degree of subcooling, thereby ensuring noise problems during operation of the air conditioning unit.
但是，依靠过冷器或者板式换热器维持一定过冷度，会导致***元器件多，进而导致了空调机组运行控制时的成本高的问题。However, relying on a subcooler or a plate heat exchanger to maintain a certain degree of subcooling will result in a large number of system components, which in turn leads to a high cost of operation and control of the air conditioning unit.
针对现有技术中空调机组的运行控制成本高的问题，目前尚未提出有效的解决方案。In view of the high cost of operation control of the air conditioning unit in the prior art, an effective solution has not been proposed yet.
发明内容Summary of the invention
本发明实施例的主要目的在于提供一种空调机组及其运行控制方法、装置、存储介质和处理器。以至少解决了空调机组的运行控制成本高的技术问题。The main object of the embodiments of the present invention is to provide an air conditioning unit, an operation control method thereof, an apparatus, a storage medium, and a processor. To solve at least the technical problem of high operation control cost of the air conditioning unit.
为了实现上述目的，根据本发明实施例的一个方面，提供了一种空调机组的运行控制方法。该空调机组的运行控制方法包括：当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。In order to achieve the above object, according to an aspect of an embodiment of the present invention, an operation control method of an air conditioning unit is provided. The operation control method of the air conditioning unit comprises: when the air conditioning unit is started up, controlling the electronic expansion valve of the air conditioning unit to be initialized; controlling the electronic expansion valve to establish a degree of subcooling during the initialization process; controlling the noise of the air conditioning unit according to the degree of subcooling .
进一步地，控制空调机组的电子膨胀阀进行初始化包括：判断电子膨胀阀是否符合预设条件；如果判断出电子膨胀阀符合预设条件，控制电子膨胀阀退出初始化；其中，在控制电子膨胀阀退出初始化之后，对空调机组进行自动控制。Further, the initializing of the electronic expansion valve for controlling the air conditioning unit comprises: determining whether the electronic expansion valve meets a preset condition; if it is determined that the electronic expansion valve meets a preset condition, controlling the electronic expansion valve to exit initialization; wherein, the electronic expansion valve is controlled to exit After initialization, the air conditioning unit is automatically controlled.
进一步地，在判断电子膨胀阀是否符合预设条件之前，判断空调机组的运行模式；如果判断出运行模式为制冷模式，控制外机电子膨胀阀的开度全开，并控制内机 电子膨胀阀进行初始化，其中，电子膨胀阀包括外机电子膨胀阀和内机电子膨胀阀；如果判断出运行模式为制热模式，控制内机电子膨胀阀的开度全开，并控制外机电子膨胀阀进行初始化。Further, before determining whether the electronic expansion valve meets the preset condition, determining an operation mode of the air conditioning unit; if it is determined that the operation mode is the cooling mode, controlling the opening degree of the external electronic expansion valve to be fully opened, and controlling the internal electronic expansion valve Initializing, wherein the electronic expansion valve comprises an external electronic expansion valve and an internal electronic expansion valve; if it is determined that the operation mode is the heating mode, the opening of the internal electronic expansion valve is controlled to be fully open, and the external electronic expansion valve is controlled. Initialize.
进一步地，控制内机电子膨胀阀进行初始化包括：获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度；根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度。Further, controlling the internal electronic expansion valve to perform initialization includes: obtaining a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and a corrected temperature of an external environment temperature of the air conditioning unit; The machine output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature adjust the opening of the internal electronic expansion valve.
进一步地，获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度包括：根据压缩机的运行频率和满负荷频率获得压缩机输出系数；根据外机电子膨胀阀或者内机电子膨胀阀的口径、电子膨胀阀的基准口径获得电子膨胀阀的系数；根据内环境温度的基础修正系数和内环境温度获得内环境温度的修正温度；根据外环境温度的基础修正系数和外环境温度获得外环境温度的修正温度。Further, obtaining the compressor output coefficient of the air conditioning unit, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit include: obtaining the operating frequency according to the compressor and the full load frequency The output coefficient of the compressor; the coefficient of the electronic expansion valve is obtained according to the diameter of the external electronic expansion valve or the internal electronic expansion valve and the reference diameter of the electronic expansion valve; the internal correction temperature and the internal ambient temperature are obtained according to the internal ambient temperature. Correct the temperature; obtain the corrected temperature of the external ambient temperature based on the base correction factor of the external ambient temperature and the external ambient temperature.
进一步地，根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度包括：通过如下第一公式调整内机电子膨胀阀的开度P 1，P 1＝P 0*A*B+C+D，其中，P 0用于表示内机电子膨胀阀的默认开度，A用于表示压缩机输出系数，B用于表示电子膨胀阀的系数，C用于表示内环境温度的修正温度，D用于表示外环境温度的修正温度，其中，A＝f/f 0，B＝b/b 0，C＝C 0*(T in-c)，D＝D 0*(d-T out)，其中，f用于表示运行频率，f 0用于表示满负荷频率，b用于表示外机电子膨胀阀或者内机电子膨胀阀的口径，b 0用于表示电子膨胀阀的基准口径，C 0用于表示内环境温度的基础修正系数，T in用于表示内环境温度，c用于表示内环境温度的工况温度，D 0用于表示外环境温度的基础修正系数，T out用于表示外环境温度，d用于表示外环境温度的工况温度。 Further, adjusting the opening degree of the internal electronic expansion valve according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature, and the corrected temperature of the external environment temperature include: adjusting the internal electronic expansion valve by the following first formula The opening degree P 1 , P 1 =P 0 *A*B+C+D, where P 0 is used to indicate the default opening degree of the internal electronic expansion valve, A is used to indicate the compressor output coefficient, and B is used to indicate The coefficient of the electronic expansion valve, C is used to indicate the corrected temperature of the internal ambient temperature, and D is used to indicate the corrected temperature of the external ambient temperature, where A = f / f 0 , B = b / b 0 , C = C 0 * ( T in -c), D=D 0 *(dT out ), where f is used to indicate the operating frequency, f 0 is used to indicate the full load frequency, and b is used to represent the external electronic expansion valve or the internal electronic expansion valve The caliber, b 0 is used to indicate the reference diameter of the electronic expansion valve, C 0 is used to indicate the basic correction coefficient of the internal ambient temperature, T in is used to indicate the internal ambient temperature, and c is used to indicate the operating temperature of the internal ambient temperature, D 0 It represents a correction coefficient for the base of the outside ambient temperature, T out for indicating external temperature, d for It shows the ambient temperature outside temperature conditions.
进一步地，控制外机电子膨胀阀进行初始化包括：获取在制热模式下的空调机组的外环系数修正量和压缩机的运行频率；根据外环系数修正量和运行频率调整外机电子膨胀阀的开度。Further, the initialization of the external electronic expansion valve includes: obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and adjusting the external electronic expansion valve according to the outer ring coefficient correction amount and the operating frequency Opening.
进一步地，获取在制热模式下的空调机组的外环系数修正量包括：判断空调机组的外环境温度是否大于等于预设温度；如果判断出空调机组的外环境温度大于等于预设温度，获取第一外环系数修正量，其中，外环系数修正量包括第一外环系数修正量；如果判断出空调机组的外环境温度小于预设温度，获取第二外环系数修正量，其中，外环系数修正量包括第二外环系数修正量。Further, the obtaining the outer ring coefficient correction amount of the air conditioning unit in the heating mode comprises: determining whether the external environment temperature of the air conditioning unit is greater than or equal to the preset temperature; if it is determined that the external environment temperature of the air conditioning unit is greater than or equal to the preset temperature, obtaining The first outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; if it is determined that the outer environment temperature of the air conditioning unit is less than a preset temperature, obtaining a second outer loop coefficient correction amount, wherein The loop coefficient correction amount includes the second outer loop coefficient correction amount.
进一步地，根据外环系数修正量和运行频率调整外机电子膨胀阀的开度包括：通 过如下第二公式调整外机电子膨胀阀的开度P 2，P 2＝a*f，其中，a用于表示外环系数修正量，f用于表示压缩机的运行频率。 Further, adjusting the opening degree of the external electronic expansion valve according to the outer ring coefficient correction amount and the operating frequency includes: adjusting the opening degree P 2 , P 2 = a*f of the external electronic expansion valve by the following second formula, wherein, a Used to indicate the outer loop coefficient correction amount, and f is used to indicate the operating frequency of the compressor.
进一步地，判断电子膨胀阀是否符合预设条件包括：如果判断出运行模式为制冷模式，判断内机电子膨胀阀进行初始化的时间是否达到第一预设时间，或者检测空调机组通过电子膨胀阀是否建立了预设过冷度；如果判断出内机电子膨胀阀进行初始化的时间达到第一预设时间，或者检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件。Further, determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the cooling mode, determining whether the initialization time of the internal electronic expansion valve reaches the first preset time, or detecting whether the air conditioning unit passes the electronic expansion valve The preset degree of subcooling is established; if it is determined that the initialization time of the internal electronic expansion valve reaches the first preset time, or the air conditioning unit is detected to establish the preset degree of subcooling through the electronic expansion valve, it is determined that the electronic expansion valve conforms to the pre-predetermined Set conditions.
进一步地，判断电子膨胀阀是否符合预设条件包括：如果判断出运行模式为制热模式，判断外机电子膨胀阀进行初始化的时间是否达到第二预设时间，或者检测空调机组通过电子膨胀阀是否建立预设过冷度；如果判断出内机电子膨胀阀进行初始化的时间达到第二预设时间，或者检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件。Further, determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the heating mode, determining whether the time for initializing the external electronic expansion valve reaches a second preset time, or detecting that the air conditioning unit passes the electronic expansion valve Whether to establish a preset degree of subcooling; if it is determined that the internal electronic expansion valve is initialized for a second preset time, or it is detected that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, it is determined that the electronic expansion valve conforms to the pre Set conditions.
为了实现上述目的，根据本发明实施例的另一方面，还提供了一种空调机组的运行控制装置。第一控制单元，设置为当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；第二控制单元，设置为控制电子膨胀阀在进行初始化的过程中建立过冷度；第三控制单元，设置为根据过冷度控制空调机组的噪音。In order to achieve the above object, according to another aspect of an embodiment of the present invention, an operation control device for an air conditioning unit is further provided. a first control unit configured to control an electronic expansion valve of the air conditioning unit to be initialized when the air conditioning unit is powered on; and a second control unit configured to control the electronic expansion valve to establish a degree of subcooling during initialization; the third control unit , set to control the noise of the air conditioning unit according to the degree of subcooling.
为了实现上述目的，根据本发明实施例的另一方面，还提供了一种空调机组。该空调机组包括本发明的空调机组的运行控制装置。In order to achieve the above object, according to another aspect of an embodiment of the present invention, an air conditioning unit is also provided. The air conditioning unit includes an operation control device of the air conditioning unit of the present invention.
为了实现上述目的，根据本发明实施例的另一方面，还提供了一种存储介质。该存储介质包括存储的程序，其中，在程序运行时控制存储介质所在设备执行本发明实施例的空调机组的运行控制方法。In order to achieve the above object, according to another aspect of an embodiment of the present invention, a storage medium is also provided. The storage medium includes a stored program, wherein the device in which the storage medium is located controls the operation control method of the air conditioning unit according to the embodiment of the present invention when the program is running.
为了实现上述目的，根据本发明实施例的另一方面，还提供了一种处理器。该处理器用于运行程序，其中，程序运行时执行本发明实施例的空调机组的运行控制方法。In order to achieve the above object, according to another aspect of an embodiment of the present invention, a processor is also provided. The processor is configured to run a program, wherein the program operation method of the air conditioning unit of the embodiment of the present invention is executed while the program is running.
通过本发明实施例，当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，保证了空调机组的噪音问题，由于减少了空调机组的元器件，解决了空调机组的运行控制成本高的技术问题，从而降低了空调机组的运行控制成本的技术效果。Through the embodiment of the invention, when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is controlled to be initialized; the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process; and the noise of the air conditioning unit is controlled according to the degree of subcooling. Through the control mode of the electronic expansion valve, it replaces the function of the subcooler in the multi-line system, ensures the noise problem of the air conditioning unit, and solves the technical problem of high operation control cost of the air conditioning unit by reducing the components of the air conditioning unit. Therefore, the technical effect of the operation control cost of the air conditioning unit is reduced.
附图说明DRAWINGS
构成本申请的一部分的附图用来提供对本发明的进一步理解，本发明的示意性实施例及其说明用于解释本发明，并不构成对本发明的不当限定。在附图中：The accompanying drawings, which are incorporated in the claims In the drawing:
图1是根据本发明实施例的一种空调机组的运行控制方法的流程图；1 is a flow chart of an operation control method of an air conditioning unit according to an embodiment of the present invention;
图2是根据本发明实施例的另一种空调机组的运行控制方法的流程图；以及2 is a flow chart of another operation control method of an air conditioning unit according to an embodiment of the present invention;
图3是根据本发明实施例的一种空调机组的运行控制装置的示意图。3 is a schematic diagram of an operation control device of an air conditioning unit according to an embodiment of the present invention.
具体实施方式detailed description
需要说明的是，在不冲突的情况下，本申请中的实施例及实施例中的特征可以相互组合。下面将参考附图并结合实施例来详细说明本发明。It should be noted that the embodiments in the present application and the features in the embodiments may be combined with each other without conflict. The invention will be described in detail below with reference to the drawings in conjunction with the embodiments.
为了使本技术领域的人员更好地理解本申请方案，下面将结合本申请实施例中的附图，对本申请实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本申请一部分的实施例，而不是全部的实施例。基于本申请中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都应当属于本申请保护的范围。The technical solutions in the embodiments of the present application are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present application. It is an embodiment of the present application, and not all of the embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments of the present application without departing from the inventive scope shall fall within the scope of the application.
需要说明的是，本申请的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象，而不必用于描述特定的顺序或先后次序。应该理解这样使用的数据在适当情况下可以互换，以便这里描述的本申请的实施例。此外，术语“包括”和“具有”以及他们的任何变形，意图在于覆盖不排他的包含，例如，包含了一系列步骤或单元的过程、方法、***、产品或设备不必限于清楚地列出的那些步骤或单元，而是可包括没有清楚地列出的或对于这些过程、方法、产品或设备固有的其它步骤或单元。It should be noted that the terms "first", "second" and the like in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or order. It should be understood that the data so used may be interchanged where appropriate to facilitate the embodiments of the present application described herein. In addition, the terms "comprises" and "comprises" and "the" and "the" are intended to cover a non-exclusive inclusion, for example, a process, method, system, product, or device that comprises a series of steps or units is not necessarily limited to Those steps or units may include other steps or units not explicitly listed or inherent to such processes, methods, products or devices.
实施例1Example 1
本发明实施例提供了一种空调机组的运行控制方法。Embodiments of the present invention provide an operation control method for an air conditioning unit.
图1是根据本发明实施例的一种空调机组的运行控制方法的流程图。如图1所示，该运行控制方法包括以下步骤：1 is a flow chart of an operation control method of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 1, the operation control method includes the following steps:
步骤S102，当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化。Step S102, when the air conditioning unit is turned on, the electronic expansion valve of the air conditioning unit is controlled to be initialized.
在本发明上述步骤S102提供的技术方案中，当空调机组开机运行时，控制空调机组的电子膨胀阀(Electronic Expansion Valves，简称为EXV)进行初始化。In the technical solution provided by the above step S102 of the present invention, when the air conditioning unit is started up, the electronic expansion valve (Electronic Expansion Valves, referred to as EXV) of the air conditioning unit is controlled for initialization.
该实施例的空调机组设置有电子膨胀阀，将电子膨胀阀替代空调机组原先设置的过冷器。空调机组的初始状态为关机状态，当空调机组开机运行时，控制电子膨胀阀进行初始化。其中，电子膨胀阀的初始化为调整电子膨胀阀的开度。The air conditioning unit of this embodiment is provided with an electronic expansion valve, and the electronic expansion valve is substituted for the subcooler originally provided by the air conditioning unit. The initial state of the air conditioning unit is the shutdown state, and when the air conditioning unit is turned on, the electronic expansion valve is controlled to be initialized. Wherein, the initialization of the electronic expansion valve is to adjust the opening degree of the electronic expansion valve.
空调机组在开机后的运行模式包括制冷模式和制热模式。在制冷模式下，控制电子膨胀阀进行初始化，也即，电子膨胀阀进行初始化控制，可以为控制外机电子膨胀阀的开度全开，控制内机电子膨胀阀进行初始化，也即，控制室外机电子膨胀阀的开度调整到最大开度值，调整内机电子膨胀阀的开度。在控制内机电子膨胀阀进行初始化时，可以根据压缩机输出系数、电子膨胀阀系数、内环境修正温度、外环境修正温度来调整内机电子膨胀阀的开度。The operating mode of the air conditioning unit after starting up includes the cooling mode and the heating mode. In the cooling mode, the electronic expansion valve is initialized, that is, the electronic expansion valve is initialized, and the opening of the electronic expansion valve of the external machine can be fully opened, and the internal electronic expansion valve is controlled to be initialized, that is, the control is controlled outdoors. The opening degree of the electronic expansion valve of the machine is adjusted to the maximum opening degree, and the opening degree of the electronic expansion valve of the internal machine is adjusted. When the internal electronic expansion valve is controlled for initialization, the opening degree of the internal electronic expansion valve can be adjusted according to the compressor output coefficient, the electronic expansion valve coefficient, the internal environment correction temperature, and the external environment correction temperature.
在制热模式下，控制电子膨胀阀进行初始化可以为控制内机电子膨胀阀的开度全开，控制外机电子膨胀阀进行初始化，也即，控制室内机电子膨胀阀的开度调整到最大开度值，调整外机电子膨胀阀的开度。在控制外机电子膨胀阀进行初始化时，可以根据压缩机输出系数、电子膨胀阀系数来调整外机电子膨胀阀的开度。In the heating mode, the control electronic expansion valve is initialized to control the opening of the internal electronic expansion valve, and the external electronic expansion valve is initialized, that is, the opening of the electronic expansion valve of the indoor unit is adjusted to the maximum. The opening value is adjusted to adjust the opening degree of the external electronic expansion valve. When the external electronic expansion valve is controlled for initialization, the opening degree of the external electronic expansion valve can be adjusted according to the compressor output coefficient and the electronic expansion valve coefficient.
步骤S104，控制电子膨胀阀在进行初始化的过程中建立过冷度。In step S104, the electronic expansion valve is controlled to establish a degree of subcooling during the initialization process.
在本发明上述步骤S104提供的技术方案中，控制电子膨胀阀在进行初始化的过程中建立过冷度。In the technical solution provided in the above step S104 of the present invention, the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process.
在控制空调机组的电子膨胀阀进行初始化的过程中，电子膨胀阀的状态会发生变化，比如，电子膨胀阀的开度发生变化，或者通过电子膨胀阀建立过冷度。During the initialization of the electronic expansion valve that controls the air conditioning unit, the state of the electronic expansion valve changes, for example, the opening of the electronic expansion valve changes, or the degree of subcooling is established by the electronic expansion valve.
在电子膨胀阀进行初始化的过程中，建立过冷度，其中，可以根据冷凝器入口温度与冷凝器出口温度确定是否建立了过冷度，比如，判断冷凝器入口温度与冷凝器出口温度之差是否大于等于预设温度，也即，冷凝器入口温度-冷凝器出口温度≥一定温度(如3℃)，如果判断出冷凝器入口温度与冷凝器出口温度之差大于等于预设温度，确定在电子膨胀阀在进行初始化的过程中建立了过冷度，从而避免了通过过冷器维持空调机组的过冷度，实现了通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，减少了***元器件，降低了空调机组的运行控制成本。During the initialization of the electronic expansion valve, the degree of subcooling is established, wherein whether the subcooling degree is established according to the condenser inlet temperature and the condenser outlet temperature, for example, determining the difference between the condenser inlet temperature and the condenser outlet temperature Whether it is greater than or equal to the preset temperature, that is, the condenser inlet temperature - the condenser outlet temperature ≥ a certain temperature (such as 3 ° C), if it is judged that the difference between the condenser inlet temperature and the condenser outlet temperature is greater than or equal to the preset temperature, it is determined The electronic expansion valve establishes the degree of subcooling during the initialization process, thereby avoiding the subcooling of the air conditioning unit through the subcooler, and realizing the control mode through the electronic expansion valve, replacing the subcooler in the multi-line system. The role of reducing system components and reducing the operating control costs of air conditioning units.
步骤S106，根据过冷度控制空调机组的噪音。In step S106, the noise of the air conditioning unit is controlled according to the degree of subcooling.
在本发明上述步骤S106提供的技术方案中，根据过冷度控制空调机组的噪音。In the technical solution provided in the above step S106 of the present invention, the noise of the air conditioning unit is controlled according to the degree of subcooling.
空调机组在运行过程中产生噪音，该实施例通过电子膨胀阀的控制方式，替代多联机***中的过冷器的作用。在控制电子膨胀阀在进行初始化的过程中建立过冷度之后，根据建立的过冷度控制空调机组在运行过程中的噪音，从而保证了空调机组在运行过程中产生的噪音问题。The air conditioning unit generates noise during operation, and this embodiment replaces the function of the subcooler in the multi-line system by the control mode of the electronic expansion valve. After the supercooling degree is established in the process of controlling the electronic expansion valve during initialization, the noise of the air conditioning unit during operation is controlled according to the established degree of subcooling, thereby ensuring the noise problem generated by the air conditioning unit during operation.
该实施例通过当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，保证了空调机组的噪音问题，由于减少了空调机组的元器件，从而降低了空调机组的运行控制成本。In this embodiment, the electronic expansion valve of the air conditioning unit is initialized when the air conditioning unit is started up; the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process; and the noise of the air conditioning unit is controlled according to the degree of subcooling. Through the control mode of the electronic expansion valve, the function of the subcooler in the multi-line system is replaced, the noise problem of the air conditioning unit is ensured, and the operation control cost of the air conditioning unit is reduced by reducing the components of the air conditioning unit.
作为一种可选的实施方式，控制空调机组的电子膨胀阀进行初始化包括：判断电子膨胀阀是否符合预设条件；如果判断出电子膨胀阀符合预设条件，控制电子膨胀阀退出初始化；其中，在控制电子膨胀阀退出初始化之后，对空调机组进行自动控制。As an optional implementation manner, controlling the electronic expansion valve of the air conditioning unit to perform initialization includes: determining whether the electronic expansion valve meets a preset condition; if it is determined that the electronic expansion valve meets a preset condition, controlling the electronic expansion valve to exit initialization; After controlling the electronic expansion valve to exit initialization, the air conditioning unit is automatically controlled.
在控制空调机组的电子膨胀阀进行初始化时，判断电子膨胀阀是否符合预设条件，比如，电子膨胀阀初始化控制一定时间，或者通过电子膨胀阀已经建立一定过冷度。如果判断出电子膨胀阀符合预设条件，控制电子膨胀阀退出初始化，进入自动控制调节，也即，不再调整电子膨胀阀的开度，控制空调机组进入正常运行过程中的调节。When the electronic expansion valve of the air conditioning unit is initialized, it is determined whether the electronic expansion valve meets a preset condition, for example, the electronic expansion valve is initialized for a certain period of time, or a certain degree of subcooling has been established through the electronic expansion valve. If it is determined that the electronic expansion valve meets the preset condition, the electronic expansion valve is controlled to exit the initialization, and the automatic control adjustment is entered, that is, the opening of the electronic expansion valve is no longer adjusted, and the adjustment of the air conditioning unit into normal operation is controlled.
作为一种可选的实施方式，在判断电子膨胀阀是否符合预设条件之前，判断空调机组的运行模式；控制空调机组的电子膨胀阀进行初始化包括：如果判断出运行模式为制冷模式，控制外机电子膨胀阀的开度全开，并控制内机电子膨胀阀进行初始化，其中，电子膨胀阀包括外机电子膨胀阀和内机电子膨胀阀；如果判断出运行模式为制热模式，控制内机电子膨胀阀的开度全开，并控制外机电子膨胀阀进行初始化。As an optional implementation manner, before determining whether the electronic expansion valve meets the preset condition, determining an operation mode of the air conditioning unit; and controlling the electronic expansion valve of the air conditioning unit to perform initialization includes: if it is determined that the operation mode is the cooling mode, the control is outside The opening of the electronic expansion valve of the machine is fully opened, and the internal electronic expansion valve is controlled to be initialized. The electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve; if it is determined that the operation mode is the heating mode, the control is within the control The opening of the electronic expansion valve of the machine is fully opened, and the external electronic expansion valve is controlled to be initialized.
空调机组的运行状态包括制冷模式和制热模式，电子膨胀阀包括外机电子膨胀阀和内机电子膨胀阀。在判断电子膨胀阀是否符合预设条件之前，判断空调机组的运行模式，也即，确定空调机组在工作时的运行模式是制冷模式还是制热模式。如果判断出空调机组在工作时的运行模式为制冷模式，控制外机电子膨胀阀的开度全开，也即，将外机电子膨胀阀的开度控制为最大开度，并控制内机电子膨胀阀进行初始化，进一步地，调整内机电子膨胀阀的开度，可以根据预设参数对内电子膨胀阀的开度进行适应调节。如果判断出空调机组在工作时的运行模式为制热模式，控制内机电子膨胀阀的开度全开，也即，将内机电子膨胀阀的开度控制为最大开度。除了控制内机电子膨胀阀的开度全开之外，控制外机电子膨胀阀进行初始化，也即，调整内机电子膨胀阀的开度，可以根据预设参数外内电子膨胀阀的开度进行适应调节。可选地，在空调机组关机时，内机电子膨胀阀既可以全关，也可以开有一定开度。The operating state of the air conditioning unit includes a cooling mode and a heating mode, and the electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve. Before determining whether the electronic expansion valve meets the preset condition, determining the operation mode of the air conditioning unit, that is, determining whether the operation mode of the air conditioning unit during operation is the cooling mode or the heating mode. If it is judged that the operation mode of the air conditioning unit is working in the cooling mode, the opening degree of the electronic expansion valve of the external machine is fully opened, that is, the opening degree of the external electronic expansion valve is controlled to the maximum opening degree, and the internal machine electronic is controlled. The expansion valve is initialized, and further, the opening degree of the internal electronic expansion valve is adjusted, and the opening degree of the internal electronic expansion valve can be adjusted according to a preset parameter. If it is judged that the operation mode of the air conditioning unit is in the heating mode, the opening degree of the internal electronic expansion valve is controlled to be fully opened, that is, the opening degree of the internal electronic expansion valve is controlled to the maximum opening degree. In addition to controlling the opening of the internal electronic expansion valve, the external electronic expansion valve is initialized, that is, the opening of the internal electronic expansion valve is adjusted, and the opening of the external electronic expansion valve can be adjusted according to the preset parameters. Adapt to adjustments. Optionally, when the air conditioning unit is turned off, the internal electronic expansion valve can be fully closed or opened.
作为一种可选的实施方式，控制内机电子膨胀阀进行初始化包括：获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度；根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度。As an optional implementation manner, controlling the internal electronic expansion valve to perform initialization includes: obtaining a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and an external ambient temperature of the air conditioning unit. The corrected temperature; the opening degree of the internal electronic expansion valve is adjusted according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature.
在控制内机电子膨胀阀进行初始化时，获取空调机组的压缩机输出系数，压缩机输出系数可以通过压缩机的运行频率和满负荷频率计算得到，其中，压缩机的运行频率为压缩机的当前运行频率。获取电子膨胀阀的系数，该电子膨胀阀的系数可以通过开机内机电子膨胀的口径或者外机电子膨胀阀的口径与基准电子膨胀阀口径计算得到。获取空调机组的内环境温度的修正温度，内环境温度的修正温度可以通过当前检测到的内环境温度和内环境温度的基础修正系数计算得到。获取空调机组的外环境温度的修正温度，外环境温度的修正温度可以通过当前检测到的外环境温度和外环境温度的基础修正系数计算得到，外环境温度的基础修正系数。在获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度之后，根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度。When the internal electronic expansion valve is controlled to initialize, the compressor output coefficient of the air conditioning unit is obtained, and the compressor output coefficient can be calculated by the operating frequency and the full load frequency of the compressor, wherein the operating frequency of the compressor is the current compressor Operating frequency. Obtain the coefficient of the electronic expansion valve. The coefficient of the electronic expansion valve can be calculated by the diameter of the electronic expansion of the internal machine or the diameter of the external electronic expansion valve and the diameter of the reference electronic expansion valve. The corrected temperature of the internal ambient temperature of the air conditioning unit is obtained, and the corrected temperature of the internal ambient temperature can be calculated by the base correction coefficient of the currently detected internal environment temperature and the internal environment temperature. Obtain the corrected temperature of the external ambient temperature of the air conditioning unit, and the corrected temperature of the external ambient temperature can be calculated by the base correction coefficient of the external environment temperature and the external environment temperature currently detected, and the basic correction coefficient of the external environment temperature. After obtaining the compressor output coefficient of the air conditioning unit, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature of the air conditioning unit, and the corrected temperature of the external ambient temperature of the air conditioning unit, according to the compressor output coefficient, the coefficient of the electronic expansion valve, and the inside The corrected temperature of the ambient temperature and the corrected temperature of the external ambient temperature adjust the opening of the internal electronic expansion valve.
作为一种可选的实施方式，获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度包括：根据压缩机的运行频率和满负荷频率获得压缩机输出系数；根据外机电子膨胀阀或者内机电子膨胀阀的口径、电子膨胀阀的基准口径获得电子膨胀阀的系数；根据内环境温度的基础修正系数和内环境温度获得内环境温度的修正温度；根据外环境温度的基础修正系数和外环境温度获得外环境温度的修正温度。As an optional implementation manner, obtaining the compressor output coefficient of the air conditioning unit, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit include: according to the operation of the compressor The output coefficient of the compressor is obtained at the frequency and the full load frequency; the coefficient of the electronic expansion valve is obtained according to the diameter of the external electronic expansion valve or the internal electronic expansion valve and the reference diameter of the electronic expansion valve; the correction coefficient and the internal environment according to the internal ambient temperature The temperature obtains the corrected temperature of the internal ambient temperature; the corrected temperature of the external ambient temperature is obtained according to the base correction coefficient of the external ambient temperature and the external ambient temperature.
需要说明的是，该实施例的电子膨胀阀的初始化是根据实时的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度调整电子膨胀阀的开度，仅为本发明实施例的优选实施方式，并不代表在调整电子膨胀阀的开度时仅通过上述调整方式，本发明实施例在调整电子膨胀阀中也可以不根据压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度调整电子膨胀阀的开度，可以通过其它调整方式对电子膨胀阀的开度进行相应调节。It should be noted that the initialization of the electronic expansion valve of this embodiment is based on the real-time compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal environment temperature of the air conditioning unit, and the corrected temperature of the external environment temperature of the air conditioning unit. The opening degree of the expansion valve is only a preferred embodiment of the embodiment of the present invention, and does not mean that only the above adjustment mode is adopted when adjusting the opening degree of the electronic expansion valve, and the embodiment of the present invention may not be based on compression in adjusting the electronic expansion valve. The output coefficient of the machine, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature of the air conditioning unit, and the corrected temperature of the external ambient temperature of the air conditioning unit adjust the opening degree of the electronic expansion valve, and the opening degree of the electronic expansion valve can be performed by other adjustment methods. Adjust accordingly.
作为一种可选的实施方式，根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度包括：通过如下第一公式调整内机电子膨胀阀的开度P 1，P 1＝P 0*A*B+C+D，其中，P 0用于表示内机电子膨胀阀的默认开度，A用于表示压缩机输出系数，B用于表示电子膨胀阀的系数，C用于表示内环境温度的修正温度，D用于表示外环境温度的修正温度，其中，A＝f/f 0，B＝b/b 0，C＝C 0*(T in-c)，D＝D 0*(d-T out)，其中，f用于表示运行频率，f 0用于表示满负荷频率，b用于表示外机电子膨胀阀或者内机电子膨胀阀的口径，b 0用于表示电子膨胀阀的基准口径，C 0用于表示内环境温度的基础修正系数，T in用于表示内环境温度，c用于表示内环境温度的工况温度，比如，c为27℃，主要根据工况确定，D 0用于表示外环境温度的基础修正系数，T out用于表示外环境温度，d用于表示外环 境温度的工况温度，比如，d为29℃。 As an optional implementation manner, adjusting the opening degree of the internal electronic expansion valve according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature include: passing the following first formula Adjust the opening degree of the internal electronic expansion valve P 1 , P 1 =P 0 *A*B+C+D, where P 0 is used to indicate the default opening of the internal electronic expansion valve, and A is used to indicate the compressor output. Coefficient, B is used to indicate the coefficient of the electronic expansion valve, C is used to indicate the corrected temperature of the internal ambient temperature, and D is used to indicate the corrected temperature of the external ambient temperature, where A = f / f 0 , B = b / b 0 , C=C 0 *(T in -c), D=D 0 *(dT out ), where f is used to indicate the operating frequency, f 0 is used to represent the full load frequency, and b is used to represent the external electronic expansion valve or The diameter of the internal electronic expansion valve, b 0 is used to indicate the reference diameter of the electronic expansion valve, C 0 is used to indicate the basic correction coefficient of the internal ambient temperature, T in is used to indicate the internal ambient temperature, and c is used to indicate the internal ambient temperature. temperature conditions, for example, c is 27 ℃, the main operating conditions are determined according to, D 0 denotes the external ambient temperature for The basic correction coefficient, T out for indicating external temperature, d is used to indicate the temperature outside ambient temperature conditions, for example, d is 29 ℃.
作为一种可选的实施方式，控制外机电子膨胀阀进行初始化包括：获取在制热模式下的空调机组的外环系数修正量和压缩机的运行频率；根据外环系数修正量和运行频率调整外机电子膨胀阀的开度。As an optional implementation manner, controlling the external electronic expansion valve to perform initialization includes: obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and correcting the amount and the operating frequency according to the outer ring coefficient Adjust the opening of the external electronic expansion valve.
空调机组在开机后，如果运行在制热模式下，开机内机电子膨胀阀全开，控制外机电子膨胀阀进行初始化，也即，外机电子膨胀阀进行初始化控制。在控制外机电子膨胀阀进行初始化时，获取空调机组的外环系数修正量和压缩机的运行频率，通过该外环修正量和压缩机的运行频率计算得到外机电子膨胀阀的开度，其中，压缩机的运行频率为当前压缩机的运行频率。After the air conditioning unit is turned on, if it is running in the heating mode, the internal electronic expansion valve is fully opened, and the external electronic expansion valve is controlled to initialize, that is, the external electronic expansion valve is initialized. When the external electronic expansion valve is initialized, the outer ring coefficient correction amount of the air conditioning unit and the operating frequency of the compressor are obtained, and the opening degree of the external electronic expansion valve is calculated by the outer ring correction amount and the operating frequency of the compressor. Among them, the operating frequency of the compressor is the operating frequency of the current compressor.
为了保证***的冷媒能正常循环，外机电子膨胀阀的开度大于等于预设开度，其中，预设开度根据具体的外机电子膨胀阀的发口径确定，比如，480pls的阀，可以选取的预设开度为80pls。如果电子膨胀阀的开度小于预设开度，则控制电子膨胀阀的开度为预设开度，从而实现了对外机电子膨胀阀的初始化。In order to ensure that the refrigerant of the system can be circulated normally, the opening degree of the external electronic expansion valve is greater than or equal to the preset opening degree, wherein the preset opening degree is determined according to the hair diameter of the specific external electronic expansion valve, for example, a 480 pls valve can The selected preset opening is 80pls. If the opening degree of the electronic expansion valve is less than the preset opening degree, the opening degree of the electronic expansion valve is controlled to be a preset opening degree, thereby realizing the initialization of the external electronic expansion valve.
作为一种可选的实施方式，获取在制热模式下的空调机组的外环系数修正量包括：判断空调机组的外环境温度是否大于等于预设温度；如果判断出空调机组的外环境温度大于等于预设温度，获取第一外环系数修正量，其中，外环系数修正量包括第一外环系数修正量；如果判断出空调机组的外环境温度小于预设温度，获取第二外环系数修正量，其中，外环系数修正量包括第二外环系数修正量。As an optional implementation manner, obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode includes: determining whether an outer ambient temperature of the air conditioning unit is greater than or equal to a preset temperature; and determining that an outer ambient temperature of the air conditioning unit is greater than Equal to the preset temperature, obtaining a first outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; if it is determined that the outer environment temperature of the air conditioning unit is less than a preset temperature, obtaining a second outer loop coefficient The correction amount, wherein the outer loop coefficient correction amount includes the second outer loop coefficient correction amount.
在获取在制热模式下的空调机组的外环系数修正量时，获取空调机组的外环境温度，外环境温度以预设温度为判断界限，判断外环境温度是否大于等于预设温度，如果判断出内环境温度大于等于外环境温度，获取第一外环系数修正量。可选地，预设温度为0℃，判断外环境温度是否大于等于预设温度，如果外环境温度大于等于0℃，则外环修正系数取值为3。在判断外环境温度是否大于等于预设温度之后，如果判断出空调机组的外环境温度小于预设温度，获取第二外环系数修正量。可选地，预设温度为0℃，判断出外环境温度小于0℃，则外环修正系数取值为5。When obtaining the correction coefficient of the outer loop coefficient of the air conditioning unit in the heating mode, obtaining the external ambient temperature of the air conditioning unit, the external environment temperature is determined by the preset temperature, and determining whether the external ambient temperature is greater than or equal to the preset temperature, if judging The internal ambient temperature is greater than or equal to the external ambient temperature, and the first outer loop coefficient correction amount is obtained. Optionally, the preset temperature is 0 ° C, and it is determined whether the external ambient temperature is greater than or equal to the preset temperature. If the external ambient temperature is greater than or equal to 0 ° C, the outer loop correction coefficient takes a value of 3. After determining whether the external ambient temperature is greater than or equal to the preset temperature, if it is determined that the external ambient temperature of the air conditioning unit is less than the preset temperature, the second outer loop coefficient correction amount is obtained. Optionally, if the preset temperature is 0 ° C and the external environment temperature is less than 0 ° C, the outer loop correction coefficient takes a value of 5.
需要说明的是，外环境温度以0℃为判断界限来确定外环系数修正量仅为本发明的优选实施方式，并不限于外环境温度只能以0℃来确定外环系数修正量，任何可以实现外机电子膨胀阀的初始化的方法都在本发明的保护范围之内，此处不再一一举例说明。It should be noted that the external environment temperature is determined by using 0 ° C as the determination limit. The outer ring coefficient correction amount is only a preferred embodiment of the present invention, and is not limited to the external environment temperature, and the outer ring coefficient correction amount can only be determined by 0 ° C. The method of realizing the initialization of the external electronic expansion valve is within the protection scope of the present invention, and will not be exemplified herein.
作为一种可选的实施方式，根据外环系数修正量和运行频率调整外机电子膨胀阀的开度包括：通过如下第二公式调整外机电子膨胀阀的开度P 2，P 2＝a*f，其中，a用于表示外环系数修正量，f用于表示压缩机的运行频率。 As an optional implementation manner, adjusting the opening degree of the external electronic expansion valve according to the outer ring coefficient correction amount and the operating frequency includes: adjusting the opening degree P 2 of the external electronic expansion valve by the following second formula, P 2 =a *f, where a is used to indicate the outer loop coefficient correction amount and f is used to indicate the operating frequency of the compressor.
为了保证***冷媒能正常循环，P 2＝a*f≥P min，其中，P min根据具体外机电子膨胀阀的阀口径而定，比如，480pls的电子膨胀阀P min可以选取80pls，如果根据P 2＝a*f得到的开度P 2<P min时，则取P 2＝P min。 In order to ensure that the system refrigerant can circulate normally, P 2 = a * f ≥ P min , where P min depends on the valve diameter of the specific external electronic expansion valve. For example, the 480 pls electronic expansion valve P min can be selected to be 80 pls, if When the opening degree P 2 <P min obtained by P 2 = a*f is taken, P 2 = P min is taken.
作为一种可选的实施方式，判断电子膨胀阀是否符合预设条件包括：如果判断出运行模式为制冷模式，判断内机电子膨胀阀进行初始化的时间是否达到第一预设时间，或者检测空调机组通过电子膨胀阀是否建立了预设过冷度；如果判断出内机电子膨胀阀进行初始化的时间达到第一预设时间，或者检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件。As an optional implementation manner, determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the cooling mode, determining whether the initialization time of the internal electronic expansion valve reaches the first preset time, or detecting the air conditioner Whether the unit establishes a preset degree of subcooling through the electronic expansion valve; if it is determined that the internal electronic expansion valve is initialized for a first preset time, or detects that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
空调机组的电子膨胀阀包括内机电子膨胀阀和外机电子膨胀阀，空调机组的运行模式包括制冷模式和制热模式。在判断电子膨胀阀是否符合预设条件时，在判断空调机组的运行模式之后，如果判断出运行模式为制冷模式，判断内机电子膨胀阀进行初始化的时间是否达到第一预设时间，比如，第一预设时间为5min，判断内机电子膨胀阀进行初始化的时间是否达到5min，或者，由于在电子膨胀阀进行初始化的过程中建立过冷度，检测空调机组通过电子膨胀阀是否建立了预设过冷度，可以根据过冷度建立的判断条件确定是否建立了预设过冷度。可选地，获取空调机组的冷凝器入口温度和冷凝器出口温度，判断冷凝器入口温度和冷凝器出口温度之差是否大于等于预定温度，该预定温度可以为3℃，如果判断出冷凝器入口温度和冷凝器出口温度之差大于等于预定温度，则检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件，则控制内机电子膨胀阀退出初始化。The electronic expansion valve of the air conditioning unit includes an internal electronic expansion valve and an external electronic expansion valve, and the operation mode of the air conditioning unit includes a cooling mode and a heating mode. When judging whether the electronic expansion valve meets the preset condition, after determining the operation mode of the air conditioning unit, if it is determined that the operation mode is the cooling mode, it is determined whether the initialization time of the internal electronic expansion valve reaches the first preset time, for example, The first preset time is 5 min, and it is judged whether the internal electronic expansion valve is initialized for 5 minutes or, because the subcooling is established during the initialization of the electronic expansion valve, whether the air conditioning unit is established through the electronic expansion valve If the degree of coldness is set, it is determined whether the preset degree of subcooling is established based on the judgment condition established by the degree of subcooling. Optionally, obtaining a condenser inlet temperature and a condenser outlet temperature of the air conditioning unit, determining whether a difference between the condenser inlet temperature and the condenser outlet temperature is greater than or equal to a predetermined temperature, and the predetermined temperature may be 3° C., if the condenser inlet is determined If the difference between the temperature and the condenser outlet temperature is greater than or equal to the predetermined temperature, it is detected that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, and determines that the electronic expansion valve meets the preset condition, and then controls the internal electronic expansion valve to exit initialization.
作为一种可选的实施方式，判断电子膨胀阀是否符合预设条件包括：如果判断出运行模式为制热模式，判断外机电子膨胀阀进行初始化的时间是否达到第二预设时间，或者检测空调机组通过电子膨胀阀是否建立预设过冷度；如果判断出内机电子膨胀阀进行初始化的时间达到第二预设时间，或者检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件。As an optional implementation manner, determining whether the electronic expansion valve meets the preset condition comprises: if it is determined that the operation mode is the heating mode, determining whether the time for initializing the external electronic expansion valve reaches the second preset time, or detecting Whether the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve; if it is determined that the internal electronic expansion valve is initialized for a second preset time, or detects that the air conditioning unit establishes a preset degree of subcooling through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
在判断电子膨胀阀是否符合预设条件时，在判断空调机组的运行模式之后，如果判断出运行模式为制热模式，判断外机电子膨胀阀进行初始化的时间是否达到第二预设时间，该第二预设时间可以与第一预设时间相同，比如，判断内机电子膨胀阀进行初始化的时间是否达到5min，或者，由于在电子膨胀阀进行初始化的过程中建立过冷度，检测空调机组通过电子膨胀阀是否建立了预设过冷度，如果检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件，则控制外机电子膨胀阀退出初始化。When judging whether the electronic expansion valve meets the preset condition, after determining the operation mode of the air conditioning unit, if it is determined that the operation mode is the heating mode, determining whether the time for initializing the external electronic expansion valve reaches the second preset time, The second preset time may be the same as the first preset time, for example, determining whether the internal electronic expansion valve is initialized for 5 minutes or, due to the establishment of the subcooling during the initialization of the electronic expansion valve, detecting the air conditioning unit Whether the preset subcooling degree is established by the electronic expansion valve, if it is detected that the air conditioning unit establishes the preset subcooling degree through the electronic expansion valve, and determines that the electronic expansion valve meets the preset condition, the external electronic expansion valve is controlled to exit the initialization.
该实施例通过当空调机组开机运行时，当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过 冷度控制空调机组的噪音。通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，保证了空调机组的噪音问题，由于减少了空调机组的元器件，从而降低了空调机组的运行控制成本。In this embodiment, when the air conditioning unit is started up, when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; the electronic expansion valve is controlled to establish a degree of subcooling during the initialization process; and the air conditioning unit is controlled according to the degree of subcooling. The noise. Through the control mode of the electronic expansion valve, the function of the subcooler in the multi-line system is replaced, the noise problem of the air conditioning unit is ensured, and the operation control cost of the air conditioning unit is reduced by reducing the components of the air conditioning unit.
实施例2Example 2
下面结合优选的实施方式对本发明的技术方案进行说明。The technical solution of the present invention will be described below in conjunction with preferred embodiments.
图2是根据本发明实施例的另一种空调机组的运行控制方法的流程图。如图2所示，该方法包括以下步骤：2 is a flow chart of another operation control method of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 2, the method includes the following steps:
步骤S201，确定空调机组运行的运行模式。In step S201, an operation mode of the air conditioning unit operation is determined.
空调机组的初始状态为关机状态，启动空调机组，空调机组开始运行，确定空调机组运行的运行模式。The initial state of the air conditioning unit is the shutdown state, the air conditioning unit is started, the air conditioning unit starts running, and the operation mode of the air conditioning unit is determined.
步骤202，制冷模式。Step 202, a cooling mode.
确定空调机组运行的运行模式为制冷模式。Determine the operating mode of the air conditioning unit operation is the cooling mode.
步骤S203，外机EXV全开，开机内机EXV开度P 1。 In step S203, the external unit EXV is fully opened, and the internal machine EXV opening degree P 1 is turned on.
在确定空调机组的运行模式为制冷模式之后，外机EXV全开，也即，将外机EXV的开度控制为最大开度。开机内机EXV进行初始化，也即，调整内机EXV的开度为P 1。 After determining that the operation mode of the air conditioning unit is the cooling mode, the external unit EXV is fully opened, that is, the opening degree of the external unit EXV is controlled to the maximum opening degree. The internal engine EXV is initialized, that is, the opening degree of the internal engine EXV is adjusted to be P 1 .
步骤S204，开机内机EXV开度P 1＝P 0*A*B+C+D。 In step S204, the internal engine EXV opening degree P 1 = P 0 *A*B+C+D.
开机内机电子膨胀阀EXV开度为P 1＝P 0*A*B+C+D，其中，P 0用于表示内机电子膨胀阀的默认开度，可以根据空调机组以及电子膨胀阀的最大开度而定，比如，480pls的电子膨胀阀可以取默认开度为为100pls，A用于表示压缩机输出系数，B用于表示电子膨胀阀的系数，C用于表示内环境温度的修正温度，D用于表示外环境温度的修正温度。 The internal expansion valve EXV opening degree is P 1 =P 0 *A*B+C+D, where P 0 is used to indicate the default opening of the internal electronic expansion valve, which can be based on the air conditioning unit and the electronic expansion valve. Depending on the maximum opening, for example, a 480 pls electronic expansion valve can take a default opening of 100 pls, A is used to indicate the compressor output factor, B is used to indicate the coefficient of the electronic expansion valve, and C is used to indicate the correction of the internal ambient temperature. Temperature, D is used to indicate the corrected temperature of the external ambient temperature.
需要说明的是，本实施例中电子膨胀阀的初始化是根据实时的A、B、C和D调整电子膨胀阀的开度，但本发明实施例中也可以不根据实时的A、B、C和D调整电子膨胀阀的开度，可以适当进行相应调节。It should be noted that the initialization of the electronic expansion valve in this embodiment is to adjust the opening degree of the electronic expansion valve according to the real-time A, B, C, and D. However, in the embodiment of the present invention, the real-time A, B, and C may not be used. And D adjust the opening of the electronic expansion valve, which can be adjusted accordingly.
步骤S205，确定压缩机的输出系数A＝f/f 0。 In step S205, the output coefficient A=f/f 0 of the compressor is determined.
A为压缩机输出系数，满足公式A＝f/f 0，其中，f为压缩机的当前运行频率，f 0为满负荷频率。 A is the compressor output coefficient, which satisfies the formula A=f/f 0 , where f is the current operating frequency of the compressor and f 0 is the full load frequency.
步骤S206，电子膨胀阀的系数B＝b/b 0。 In step S206, the coefficient B of the electronic expansion valve is b=b 0 .
B为电子膨胀阀D的系数，满足公式B＝b/b 0，其中，b为开机内机电子膨胀阀或者室外机电子膨胀阀口径，b 0为基准电子膨胀阀口径。 B is the coefficient of the electronic expansion valve D, which satisfies the formula B=b/b 0 , where b is the internal electronic expansion valve of the starting machine or the electronic expansion valve of the outdoor unit, and b 0 is the diameter of the reference electronic expansion valve.
步骤S207，内环境温度的修正温度C＝C 0*(T in-27)。 In step S207, the corrected temperature of the internal environment temperature is C = C 0 * (T in -27).
C为内环境修正温度，满足公式C＝C 0*(T in-27)，其中，C 0为基础修正系数，T in为当前检测到的内环境温度。 C is the internal environment correction temperature, which satisfies the formula C=C 0 *(T in -27), where C 0 is the basic correction coefficient and T in is the currently detected internal environment temperature.
步骤S208，外环境温度的修正温度D＝D 0*(20-T out)。 In step S208, the corrected temperature of the external environment temperature is D = D 0 * (20 - T out ).
D为外环境修正温度，D＝D 0*(20-T out)，其中，D 0为基础修正系数，且D≥0，T out为当前检测到的外环境温度。 D is the external environment correction temperature, D = D 0 * (20-T out ), where D 0 is the base correction coefficient, and D ≥ 0, T out is the currently detected ambient temperature.
步骤209，制热模式。Step 209, heating mode.
在空调机组启动之后，确定空调机组运行的运行模式为制冷模式。After the air conditioning unit is started, it is determined that the operating mode of the air conditioning unit is in the cooling mode.
步骤S210，开机内机EXV全开，外机EXV开度P 2。 In step S210, the internal engine EXV is fully opened, and the external machine EXV opening degree P 2 .
在确定空调机组的运行模式为制冷模式之后，开机内机EXV全开，关机内机既可全关也可开有一定开度，将开机内机EXV的开度调整到最大开度。室外机进行初始化，外机EXV开度P 2，也即，调整内机EXV的开度为P 2。 After determining that the operation mode of the air conditioning unit is the cooling mode, the internal engine EXV is fully opened, and the internal machine can be fully closed or opened with a certain degree of opening, and the opening degree of the internal engine EXV is adjusted to the maximum opening degree. The outdoor unit is initialized, and the external unit EXV opening degree P 2 , that is, the opening degree of the internal unit EXV is adjusted to be P 2 .
步骤S211，外机EXV开度P 2＝a*f。 In step S211, the external machine EXV opening degree P 2 = a*f.
外机EXV开度P2＝a*f，其中，a为制热外环系数修正量，f当前压缩机的运行频率。为了保证***冷媒能正常循环，P2≥P min，其中，P min根据具体的电子膨胀阀的口径而定，比如，480pls的电子膨胀阀可以选取的P min为80pls。如果根据公式P 2＝a*f得到的开度P2<P min，则取P2＝P min。 The external machine EXV opening degree P2=a*f, where a is the heating outer ring coefficient correction amount, f the current compressor operating frequency. In order to ensure that the system refrigerant can circulate normally, P2 ≥ P min , where P min depends on the diameter of the specific electronic expansion valve. For example, the 480 pls electronic expansion valve can select P min of 80 pls. If the opening degree P2 < P min obtained according to the formula P 2 = a * f is taken, P2 = P min is taken.
步骤S212，如果外环境温度T out≥0，a＝3；如果外环境温度T out＜0，a＝5；f为当前压缩机的运行频率。 Step S212, if the external environment temperature T out ≥ 0, a = 3; if the external environment temperature T out < 0, a = 5; f is the operating frequency of the current compressor.
如果外环境温度T out≥0，a＝3，如果外环境温度T out＜0，a＝5，f为当前压缩机的运行频率。 If the external ambient temperature T out ≥ 0, a = 3, if the external ambient temperature T out < 0, a = 5, f is the operating frequency of the current compressor.
步骤S213，检测初始化的时间是否达到一定时间，或者检测是否建立过冷度。In step S213, it is detected whether the initialization time reaches a certain time, or whether the degree of subcooling is established.
在空调机组运行在制冷模式下，当内机电子膨胀阀EXV初始化一定时间(如5min)，或者若已经建立一定过冷度之后，则内机电子膨胀阀退出初始化，进入自动控制调节，也即，空调机组进入正常运行过程中的调节。When the air conditioning unit is running in the cooling mode, when the internal electronic expansion valve EXV is initialized for a certain period of time (such as 5 minutes), or if a certain degree of subcooling has been established, the internal electronic expansion valve is initialized and enters the automatic control adjustment, that is, , the air conditioning unit enters the regulation during normal operation.
在空调机组运行在制热模式下，当外机电子膨胀阀初始化一定时间(如5min)，或者若已经建立一定过冷度后，则外机电子膨胀阀退出初始化，进入自动调节阶段。When the air conditioning unit is running in the heating mode, when the external electronic expansion valve is initialized for a certain period of time (for example, 5 minutes), or if a certain degree of subcooling has been established, the external electronic expansion valve is initialized and enters the automatic adjustment phase.
需要说明的是，该实施例中的C＝C 0*(T in-27)中的27和D＝D 0*(20-T out)主要根据T1工况而定，但并不局限于该数值。其中，T1工况既包含内环也包含外环，是国标中规定的一种工况。 It should be noted that 27 in the C=C 0 *(T in -27) and D=D 0 *(20-T out ) in this embodiment are mainly determined according to the T1 working condition, but are not limited thereto. Value. Among them, the T1 condition includes both the inner ring and the outer ring, which is a condition specified in the national standard.
该实施例中的外环境温度T out≥0，0℃为界限，但本发明并不局限于如此。 The external environment temperature T out ≥ 0 in this embodiment is 0 ° C, but the present invention is not limited to this.
该实施例在空调机组开机的情况下，确定空调机组运行的运行模式，在确定运行模式为制冷模式时，外机EXV全开，开机内机EXV开度P 1，开机内机EXV开度P 1＝P 0*A*B+C+D，确定缩机的输出系数A＝f/f 0，电子膨胀阀的系数B＝b/b 0，内环境温度的修正温度C＝C 0*(T in-27)，外环境温度的修正温度D＝D 0*(20-T out)，在确定运行模式为制热模式时，开机内机EXV全开，外机EXV开度P 2，外机EXV开度P 2＝a*f，如果外环境温度T out≥0，a＝3；如果外环境温度T out＜0，a＝5；f为当前压缩机的运行频率，检测初始化的时间是否达到一定时间，或者检测是否建立过冷度，如果检测到初始化的时间达到一定时间，或者检测到建立过冷度，则控制空调机组进入自动控制调节。通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，实现了空调开机运行时，确保快速建立过冷度，减少***元器件，降低成本，解决了空调机组的运行控制成本高的技术问题，从而降低了空调机组的运行控制成本的技术效果。 In the embodiment, when the air conditioning unit is turned on, the operation mode of the air conditioning unit is determined. When the operation mode is determined to be the cooling mode, the external machine EXV is fully opened, the internal machine EXV opening degree P 1 , and the internal machine EXV opening degree P are activated. 1 =P 0 *A*B+C+D, determine the output coefficient of the compressor A=f/f 0 , the coefficient of the electronic expansion valve B=b/b 0 , the correction temperature of the internal environment temperature C=C 0 *( T in -27), the corrected temperature of the external environment temperature D=D 0 *(20-T out ), when the operation mode is determined to be the heating mode, the internal engine EXV is fully open, and the external machine EXV opening degree is P 2 , Machine EXV opening degree P 2 = a * f, if the external environment temperature T out ≥ 0, a = 3; if the external environment temperature T out < 0, a = 5; f is the current compressor operating frequency, detecting the initialization time Whether it has reached a certain time, or whether the overcooling is established, if the initialization time is detected to reach a certain time, or the establishment of the subcooling is detected, the air conditioning unit is controlled to enter the automatic control adjustment. Through the control mode of the electronic expansion valve, it replaces the function of the subcooler in the multi-line system, realizes the rapid establishment of the subcooling degree, reduces the system components, reduces the cost, and solves the operation control of the air conditioning unit when the air conditioner is started up. The technical problem of high cost, thereby reducing the technical effect of the operation control cost of the air conditioning unit.
需要说明的是，在附图的流程图示出的步骤可以在诸如一组计算机可执行指令的计算机***中执行，并且，虽然在流程图中示出了逻辑顺序，但是在某些情况下，可以以不同于此处的顺序执行所示出或描述的步骤。It should be noted that the steps illustrated in the flowchart of the accompanying drawings may be executed in a computer system such as a set of computer executable instructions, and, although shown in the flowchart, The steps shown or described may be performed in an order different than that herein.
实施例3Example 3
本发明实施例还提供了一种空调机组的运行控制装置。需要说明的是，该实施例的空调机组的运行控制装置可以用于执行本发明实施例的空调机组的运行控制方法。The embodiment of the invention also provides an operation control device for the air conditioning unit. It should be noted that the operation control device of the air conditioning unit of this embodiment can be used to execute the operation control method of the air conditioning unit according to the embodiment of the present invention.
图3是根据本发明实施例的一种空调机组的运行控制装置的示意图。如图3所示，该空调机组的运行控制装置包括：第一控制单元10、第二控制单元20和第三控制单元30。3 is a schematic diagram of an operation control device of an air conditioning unit according to an embodiment of the present invention. As shown in FIG. 3, the operation control device of the air conditioning unit includes a first control unit 10, a second control unit 20, and a third control unit 30.
第一控制单元10，设置为当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化。The first control unit 10 is configured to control the electronic expansion valve of the air conditioning unit to initialize when the air conditioning unit is powered on.
第二控制单元20，设置为控制电子膨胀阀在进行初始化的过程中建立过冷度。The second control unit 20 is arranged to control the electronic expansion valve to establish a degree of subcooling during initialization.
第三控制单元30，设置为根据过冷度控制空调机组的噪音。The third control unit 30 is arranged to control the noise of the air conditioning unit according to the degree of subcooling.
此处需要说明的是，上述第一控制单元10、第二控制单元20、第三控制单元30可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the first control unit 10, the second control unit 20, and the third control unit 30 may be operated in the air conditioning unit as part of the device, and may be implemented by the processor in the air conditioning unit. Features.
可选地，第一控制单元10包括：第一判断模块和第一控制模块。其中，第一判断模块，设置为判断电子膨胀阀是否符合预设条件；第一控制模块，设置为在断出电子膨胀阀符合预设条件，控制电子膨胀阀退出初始化；其中，该装置还包括第四控制单元，设置为在控制电子膨胀阀退出初始化之后，对空调机组进行自动控制。Optionally, the first control unit 10 includes: a first determining module and a first control module. The first determining module is configured to determine whether the electronic expansion valve meets a preset condition; the first control module is configured to control the electronic expansion valve to exit initialization when the electronic expansion valve is broken according to a preset condition; wherein the device further includes The fourth control unit is configured to automatically control the air conditioning unit after controlling the electronic expansion valve to exit initialization.
此处需要说明的是，上述第一判断模块和第一控制模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the first determining module and the first control module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
可选地，该装置还包括：判断单元、第五控制单元和第六控制单元。其中，判断单元，设置为在判断电子膨胀阀是否符合预设条件之前，判断空调机组的运行模式；第五控制单元，设置为在判断出运行模式为制冷模式，控制外机电子膨胀阀的开度全开，并控制内机电子膨胀阀进行初始化，其中，电子膨胀阀包括外机电子膨胀阀和内机电子膨胀阀；第六控制单元，设置为在判断出运行模式为制热模式，控制内机电子膨胀阀的开度全开，并控制外机电子膨胀阀进行初始化。Optionally, the apparatus further includes: a determining unit, a fifth control unit, and a sixth control unit. The determining unit is configured to determine an operating mode of the air conditioning unit before determining whether the electronic expansion valve meets the preset condition; and the fifth control unit is configured to determine that the operating mode is the cooling mode and control the opening of the external electronic expansion valve Fully open, and control the internal electronic expansion valve to initialize, wherein the electronic expansion valve includes an external electronic expansion valve and an internal electronic expansion valve; the sixth control unit is set to determine that the operating mode is heating mode, control The opening of the internal electronic expansion valve is fully opened, and the external electronic expansion valve is controlled to be initialized.
此处需要说明的是，上述判断单元、第五控制单元和第六控制单元可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted here that the above-mentioned judging unit, fifth control unit and sixth control unit can be operated in the air conditioning unit as part of the device, and the functions realized by the above unit can be performed by the processor in the air conditioning unit.
可选地，第五控制单元包括：第一获取模块和第一调整模块。其中，第一获取模块，设置为获取空调机组的压缩机输出系数、电子膨胀阀的系数、空调机组的内环境温度的修正温度和空调机组的外环境温度的修正温度；第一调整模块，设置为根据压缩机输出系数、电子膨胀阀的系数、内环境温度的修正温度和外环境温度的修正温度调整内机电子膨胀阀的开度。Optionally, the fifth control unit includes: a first acquiring module and a first adjusting module. The first obtaining module is configured to obtain a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of the internal environment temperature of the air conditioning unit, and a corrected temperature of the external environment temperature of the air conditioning unit; the first adjustment module, setting The opening degree of the internal electronic expansion valve is adjusted according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature.
此处需要说明的是，上述第一获取模块和第一调整模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the first obtaining module and the first adjusting module may be operated in the air conditioning unit as part of the device, and the functions implemented by the unit may be performed by a processor in the air conditioning unit.
可选地，第一获取模块包括：第一获取子模块、第二获取子模块、第三获取子模块和第四获取子模块。其中，第一获取子模块，设置为根据压缩机的运行频率和满负荷频率获得压缩机输出系数；第二获取子模块，设置为根据外机电子膨胀阀或者内机电子膨胀阀的口径、电子膨胀阀的基准口径获得电子膨胀阀的系数；第三获取子模块，设置为根据内环境温度的基础修正系数和内环境温度获得内环境温度的修正温度；第四获取子模块，设置为根据外环境温度的基础修正系数和外环境温度获得外环境温度的修正温度。Optionally, the first obtaining module includes: a first acquiring submodule, a second acquiring submodule, a third acquiring submodule, and a fourth acquiring submodule. Wherein, the first obtaining submodule is configured to obtain a compressor output coefficient according to the operating frequency of the compressor and the full load frequency; and the second obtaining submodule is set according to the caliber of the external electronic expansion valve or the internal electronic expansion valve, and the electronic The reference aperture of the expansion valve obtains the coefficient of the electronic expansion valve; the third acquisition sub-module is set to obtain the corrected temperature of the internal ambient temperature according to the base correction coefficient of the internal ambient temperature and the internal ambient temperature; and the fourth acquisition sub-module is set to be externally The base correction factor of the ambient temperature and the external ambient temperature obtain the corrected temperature of the external ambient temperature.
此处需要说明的是，上述第一获取子模块、第二获取子模块、第三获取子模块和第四获取子模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the first acquiring submodule, the second obtaining submodule, the third obtaining submodule, and the fourth acquiring submodule may be operated as part of the device in the air conditioning unit, and may pass through a processor in the air conditioning unit. To perform the functions implemented by the above unit.
可选地，第一调整模块设置为通过如下第一公式调整内机电子膨胀阀的开度P 1，P 1＝P 0*A*B+C+D，其中，P 0用于表示内机电子膨胀阀的默认开度，A用于表示压缩机输出系数，B用于表示电子膨胀阀的系数，C用于表示内环境温度的修正温度，D用于表示外环境温度的修正温度，其中，A＝f/f 0，B＝b/b 0，C＝C 0*(T in-c)，D＝D 0*(d-T out)，其中，f用于表示运行频率，f 0用于表示满负荷频率，b用于表示外机电子膨胀阀或者内机电子膨胀阀的口径，b 0用于表示电子膨胀阀的基准口径，C 0用于表示内环境温度的基础修正系数，Tin用于表示内环境温度，c用于表示内环境温度的工况温度，D 0用于表示外环境温度的基础修正系数，T out用于表示外环境温度，d用于表示外环境温度的工况温度。 Optionally, the first adjustment module is configured to adjust the opening degree P 1 of the internal electronic expansion valve by the following first formula, P 1 =P 0 *A*B+C+D, wherein P 0 is used to indicate the internal machine The default opening of the electronic expansion valve, A is used to indicate the compressor output coefficient, B is used to indicate the coefficient of the electronic expansion valve, C is used to indicate the corrected temperature of the internal ambient temperature, and D is used to indicate the corrected temperature of the external ambient temperature, wherein , A=f/f 0 , B=b/b 0 , C=C 0 *(T in -c), D=D 0 *(dT out ), where f is used to represent the operating frequency and f 0 is used Indicates the full load frequency, b is used to indicate the diameter of the external electronic expansion valve or the internal electronic expansion valve, b 0 is used to indicate the reference diameter of the electronic expansion valve, and C 0 is used to indicate the basic correction coefficient of the internal ambient temperature. Indicating the internal ambient temperature, c is used to indicate the operating temperature of the internal ambient temperature, D 0 is used to indicate the basic correction coefficient of the external ambient temperature, T out is used to indicate the external ambient temperature, and d is used to indicate the external ambient temperature. temperature.
可选地，第六控制单元包括：第二获取模块和第二调整模块。其中，第二获取模块，设置为获取在制热模式下的空调机组的外环系数修正量和压缩机的运行频率；第二调整模块，设置为根据外环系数修正量和运行频率调整外机电子膨胀阀的开度。Optionally, the sixth control unit includes: a second acquiring module and a second adjusting module. The second obtaining module is configured to obtain an outer ring coefficient correction amount of the air conditioning unit in the heating mode and an operating frequency of the compressor; and the second adjusting module is configured to adjust the outer unit according to the outer ring coefficient correction amount and the operating frequency. The opening of the electronic expansion valve.
此处需要说明的是，上述第二获取模块和第二调整模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the second obtaining module and the second adjusting module may be operated in the air conditioning unit as part of the device, and the functions implemented by the unit may be performed by a processor in the air conditioning unit.
可选地，第二获取模块包括：第一判断子模块、第五获取子模块、第六获取子模块。其中，第一判断子模块，设置为判断空调机组的外环境温度是否大于等于预设温度；第五获取子模块，设置为在判断出空调机组的外环境温度大于等于预设温度时，获取第一外环系数修正量，其中，外环系数修正量包括第一外环系数修正量；第六获取子模块，设置为在判断出空调机组的外环境温度小于预设温度时，获取第二外环系数修正量，其中，外环系数修正量包括第二外环系数修正量。Optionally, the second obtaining module includes: a first determining submodule, a fifth obtaining submodule, and a sixth acquiring submodule. The first determining sub-module is configured to determine whether the external ambient temperature of the air conditioning unit is greater than or equal to a preset temperature; and the fifth obtaining sub-module is configured to obtain the first when determining that the external ambient temperature of the air conditioning unit is greater than or equal to a preset temperature An outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes a first outer loop coefficient correction amount; and the sixth acquisition submodule is configured to acquire the second outer portion when determining that the outer environment temperature of the air conditioning unit is less than a preset temperature The loop coefficient correction amount, wherein the outer loop coefficient correction amount includes the second outer loop coefficient correction amount.
此处需要说明的是，上述第一判断子模块、第五获取子模块、第六获取子模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the first determining sub-module, the fifth obtaining sub-module, and the sixth acquiring sub-module may be operated in the air conditioning unit as part of the device, and may be implemented by the processor in the air conditioning unit. Features.
可选地，第二调整模块设置为通过如下第二公式调整外机电子膨胀阀的开度P 2，P 2＝a*f，其中，a用于表示外环系数修正量，f用于表示压缩机的运行频率。 Optionally, the second adjustment module is configured to adjust the opening degree P 2 , P 2 =a*f of the external electronic expansion valve by the following second formula, wherein a is used to represent the outer loop coefficient correction amount, and f is used to represent The operating frequency of the compressor.
可选地，第一判断模块包括：第二判断子模块和第一确定子模块。其中，第二判断子模块，设置为在判断出运行模式为制冷模式时，判断内机电子膨胀阀进行初始化的时间是否达到第一预设时间，或者检测空调机组通过电子膨胀阀是否建立了预设过冷度；第一确定子模块，设置为在判断出内机电子膨胀阀进行初始化的时间达到第一 预设时间，或者检测到空调机组通过电子膨胀阀建立了预设过冷度时，确定电子膨胀阀符合预设条件。Optionally, the first determining module includes: a second determining submodule and a first determining submodule. Wherein, the second determining sub-module is configured to determine whether the time for initializing the internal electronic expansion valve reaches the first preset time when determining that the operating mode is the cooling mode, or detecting whether the air conditioning unit has established the pre-expansion through the electronic expansion valve Setting the degree of subcooling; the first determining sub-module is configured to determine that the initialization time of the internal electronic expansion valve reaches a first preset time, or when detecting that the air conditioning unit establishes a preset subcooling degree through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
此处需要说明的是，上述第二判断子模块和第一确定子模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the second determining sub-module and the first determining sub-module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
可选地，第一判断子模块包括：第三判断子模块和第二确定子模块。其中，第三判断子模块，设置为在判断出运行模式为制热模式时，判断外机电子膨胀阀进行初始化的时间是否达到第二预设时间，或者检测空调机组通过电子膨胀阀是否建立预设过冷度；第二确定子模块，设置为在判断出内机电子膨胀阀进行初始化的时间达到第二预设时间时，或者检测到空调机组通过电子膨胀阀建立了预设过冷度，确定电子膨胀阀符合预设条件。Optionally, the first determining submodule includes: a third determining submodule and a second determining submodule. The third determining sub-module is configured to determine whether the time for the external electronic expansion valve to initialize reaches a second preset time when determining that the operating mode is the heating mode, or to detect whether the air conditioning unit establishes a pre-condition through the electronic expansion valve. Setting a subcooling degree; the second determining submodule is configured to, when it is determined that the initialization time of the internal electronic expansion valve reaches a second preset time, or detecting that the air conditioning unit establishes a preset subcooling degree through the electronic expansion valve, Make sure the electronic expansion valve meets the preset conditions.
此处需要说明的是，上述第三判断子模块和第二确定子模块可以作为装置的一部分运行在空调机组中，可以通过空调机组中的处理器来执行上述单元实现的功能。It should be noted that the third determining sub-module and the second determining sub-module may be operated in the air conditioning unit as part of the device, and the functions implemented by the above unit may be performed by a processor in the air conditioning unit.
实施例4Example 4
本发明实施例还提供了一种空调机组，包括本发明实施例的空调机组的运行控制装置。The embodiment of the invention further provides an air conditioning unit, comprising the operation control device of the air conditioning unit according to the embodiment of the invention.
在本实施例中，上述空调机组可以以执行空调机组的运行控制方法中以下步骤的程序代码：当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。In this embodiment, the air conditioning unit may be configured to execute the following steps in the operation control method of the air conditioning unit: when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; and the electronic expansion valve is controlled to be initialized. The degree of coldness is established during the process; the noise of the air conditioning unit is controlled according to the degree of subcooling.
可选地，该空调机组可以包括：一个或多个处理器、存储器、以及传输装置。Optionally, the air conditioning unit may include: one or more processors, a memory, and a transmission device.
其中，存储器可用于存储软件程序以及模块，如本发明实施例中的空调机组及其运行控制方法和装置对应的程序指令/模块，处理器通过运行存储在存储器内的软件程序以及模块，从而执行各种功能应用以及数据处理，即实现上述的空调机组的运行控制方法。存储器可包括高速随机存储器，还可以包括非易失性存储器，如一个或者多个磁性存储装置、闪存、或者其他非易失性固态存储器。在一些实例中，存储器可进一步包括相对于处理器远程设置的存储器，这些远程存储器可以通过网络连接至终端。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。The memory can be used to store software programs and modules, such as the air conditioning unit and its operation control method and program corresponding to the program instructions/modules in the embodiment of the present invention, and the processor executes by executing the software program and the module stored in the memory. Various functional applications and data processing, that is, the above-described operation control method of the air conditioning unit. The memory may include a high speed random access memory, and may also include non-volatile memory such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory. In some examples, the memory can further include memory remotely located relative to the processor, which can be connected to the terminal over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
上述的传输装置用于经由一个网络接收或者发送数据。上述的网络具体实例可包括有线网络及无线网络。在一个实例中，传输装置包括一个网络适配器(Network Interface Controller，NIC)，其可通过网线与其他网络设备与路由器相连从而可与互 联网或局域网进行通讯。在一个实例中，传输装置为射频(Radio Frequency，RF)模块，其用于通过无线方式与互联网进行通讯。The above transmission device is for receiving or transmitting data via a network. Specific examples of the above network may include a wired network and a wireless network. In one example, the transmission device includes a Network Interface Controller (NIC) that can be connected to other network devices and routers via a network cable to communicate with the Internet or a local area network. In one example, the transmission device is a Radio Frequency (RF) module for communicating with the Internet wirelessly.
其中，具体地，存储器用于存储空调机组内的应用程序。Specifically, the memory is used to store an application within the air conditioning unit.
处理器可以通过传输装置调用存储器存储的信息及应用程序，以执行上述方法实施例中的各个可选或优选实施例的方法步骤的程序代码。The processor can call the memory stored information and the application by the transmitting device to execute the program code of the method steps of each of the alternative or preferred embodiments of the above method embodiments.
本领域普通技术人员可以理解上述实施例的各种方法中的全部或部分步骤是可以通过程序来指示空调机组相关的硬件来完成，该程序可以存储于一空调机组可读存储介质中，存储介质可以包括：闪存盘、只读存储器(Read-Only Memory，ROM)、随机存取器(Random Access Memory，RAM)、磁盘或光盘等。A person of ordinary skill in the art can understand that all or part of the steps of the foregoing embodiments can be completed by a program to instruct the air conditioning unit related hardware, and the program can be stored in an air conditioning unit readable storage medium, the storage medium. It may include: a flash disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk or an optical disk, and the like.
如上参照附图以示例的方式描述了根据本发明的空调机组及其运行控制方法和装置。但是，本领域技术人员应当理解，对于上述本发明所提出的空调机组及其运行控制方法和装置，还可以在不脱离本发明内容的基础上做出各种改进。因此，本发明的保护范围应当由所附的权利要求书的内容确定。The air conditioning unit and its operation control method and apparatus according to the present invention are described by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the air conditioning unit and its operation control method and apparatus proposed by the present invention as described above without departing from the scope of the present invention. Therefore, the scope of the invention should be determined by the content of the appended claims.
实施例5Example 5
本发明实施例还提供了一种存储介质。该存储介质包括存储的程序，其中，在程序运行时控制存储介质所在设备执行本发明实施例的空调机组的运行控制方法。The embodiment of the invention further provides a storage medium. The storage medium includes a stored program, wherein the device in which the storage medium is located controls the operation control method of the air conditioning unit according to the embodiment of the present invention when the program is running.
本申请实施例所提供的各个功能模块可以在空调机组或者类似的运算装置中运行，也可以作为存储介质的一部分进行存储。The various functional modules provided by the embodiments of the present application may be operated in an air conditioning unit or the like, or may be stored as part of a storage medium.
可选地，在本实施例中，上述存储介质可以用于保存上述方法实施例和装置实施例所提供的空调机组的运行控制方法所执行的程序代码。Optionally, in the embodiment, the foregoing storage medium may be used to save the program code executed by the operation control method of the air conditioning unit provided by the foregoing method embodiment and the device embodiment.
可选地，在本实施例中，存储介质被设置为存储用于执行以下步骤的程序代码：当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。Optionally, in the embodiment, the storage medium is configured to store program code for performing the following steps: when the air conditioning unit is powered on, controlling the electronic expansion valve of the air conditioning unit to initialize; and controlling the electronic expansion valve to be initialized. The degree of coldness is established during the process; the noise of the air conditioning unit is controlled according to the degree of subcooling.
可选地，在本实施例中，存储介质还可以被设置为存储空调机组的运行控制方法提供的各种优选地或可选的方法步骤的程序代码。Alternatively, in the present embodiment, the storage medium may also be provided as program code for storing various preferred or optional method steps provided by the operation control method of the air conditioning unit.
实施例6Example 6
本发明实施例还提供了一种处理器。该处理器用于运行程序，其中，程序运行时执行本发明实施例的空调机组的运行控制方法。An embodiment of the present invention further provides a processor. The processor is configured to run a program, wherein the program operation method of the air conditioning unit of the embodiment of the present invention is executed while the program is running.
在发明本实施例中，上述处理器可以调用空调机组的运行控制方法的运行程序。In the embodiment of the invention, the processor can call the running program of the operation control method of the air conditioning unit.
可选地，在本实施例中，处理器可以被设置为执行下述步骤：当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。Optionally, in this embodiment, the processor may be configured to perform the following steps: when the air conditioning unit is powered on, the electronic expansion valve of the air conditioning unit is controlled to be initialized; and the control electronic expansion valve is established during the initialization process. Cooling; control the noise of the air conditioning unit according to the degree of subcooling.
上述处理器可以通过运行存储在存储器内的软件程序以及模块，从而执行各种功能应用以及数据处理，即实现上述的空调机组的运行控制方法。The above processor can execute various functional applications and data processing by running a software program and a module stored in the memory, that is, implementing the above-described operation control method of the air conditioning unit.
显然，本领域的技术人员应该明白，上述的本发明的各模块或各步骤可以用通用的计算装置来实现，它们可以集中在单个的计算装置上，或者分布在多个计算装置所组成的网络上，可选地，它们可以用计算装置可执行的程序代码来实现，从而，可以将它们存储在存储装置中由计算装置来执行，或者将它们分别制作成各个集成电路模块，或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样，本发明不限制于任何特定的硬件和软件结合。It will be apparent to those skilled in the art that the various modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device, such that they may be stored in a storage device by a computing device, or they may be fabricated into individual integrated circuit modules, or Multiple modules or steps are made into a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
以上所述仅为本发明的优选实施例而已，并不用于限制本发明，对于本领域的技术人员来说，本发明可以有各种更改和变化。凡在本发明的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本发明的保护范围之内。The above description is only the preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes can be made to the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and scope of the present invention are intended to be included within the scope of the present invention.
工业实用性Industrial applicability
本申请实施例提供的技术方案可以应用于空调机组的运行控制过程中，当空调机组开机运行时，控制空调机组的电子膨胀阀进行初始化；控制电子膨胀阀在进行初始化的过程中建立过冷度；根据过冷度控制空调机组的噪音。通过电子膨胀阀的控制方式，替代了多联机***中的过冷器的作用，保证了空调机组的噪音问题，由于减少了空调机组的元器件，解决了空调机组的运行控制成本高的技术问题，从而降低了空调机组的运行控制成本的技术效果。The technical solution provided by the embodiment of the present application can be applied to the operation control process of the air conditioning unit, and when the air conditioning unit is started up, the electronic expansion valve of the air conditioning unit is initialized; and the electronic expansion valve is controlled to establish the degree of subcooling during the initialization process. Control the noise of the air conditioning unit according to the degree of subcooling. Through the control mode of the electronic expansion valve, it replaces the function of the subcooler in the multi-line system, ensures the noise problem of the air conditioning unit, and solves the technical problem of high operation control cost of the air conditioning unit by reducing the components of the air conditioning unit. Therefore, the technical effect of the operation control cost of the air conditioning unit is reduced.

Claims (15)

  1. 一种空调机组的运行控制方法，包括：An operation control method for an air conditioning unit, comprising:
    当空调机组开机运行时，控制所述空调机组的电子膨胀阀进行初始化；When the air conditioning unit is powered on, the electronic expansion valve of the air conditioning unit is controlled to be initialized;
    控制所述电子膨胀阀在进行所述初始化的过程中建立过冷度；Controlling the electronic expansion valve to establish a degree of subcooling during the initializing process;
    根据所述过冷度控制所述空调机组的噪音。The noise of the air conditioning unit is controlled according to the degree of subcooling.
  2. 根据权利要求1所述的方法，其中，控制所述空调机组的电子膨胀阀进行所述初始化包括：The method of claim 1 wherein controlling the electronic expansion valve of the air conditioning unit to perform the initializing comprises:
    判断所述电子膨胀阀是否符合预设条件；Determining whether the electronic expansion valve meets a preset condition;
    如果判断出所述电子膨胀阀符合所述预设条件，控制所述电子膨胀阀退出所述初始化；If it is determined that the electronic expansion valve meets the preset condition, controlling the electronic expansion valve to exit the initialization;
    其中，在控制所述电子膨胀阀退出初始化之后，对所述空调机组进行自动控制。Wherein, after controlling the electronic expansion valve to exit initialization, the air conditioning unit is automatically controlled.
  3. 根据权利要求2所述的方法，其中，在判断所述电子膨胀阀是否符合所述预设条件之前，所述方法还包括：The method of claim 2, wherein before determining whether the electronic expansion valve meets the predetermined condition, the method further comprises:
    判断所述空调机组的运行模式；Determining an operation mode of the air conditioning unit;
    如果判断出运行模式为制冷模式，控制外机电子膨胀阀的开度全开，并控制内机电子膨胀阀进行所述初始化，其中，所述电子膨胀阀包括所述外机电子膨胀阀和所述内机电子膨胀阀；If it is determined that the operation mode is the cooling mode, the opening degree of the external electronic expansion valve is controlled to be fully opened, and the internal electronic expansion valve is controlled to perform the initialization, wherein the electronic expansion valve includes the external electronic expansion valve and the The internal electronic expansion valve;
    如果判断出所述运行模式为制热模式，控制所述内机电子膨胀阀的开度全开，并控制所述外机电子膨胀阀进行所述初始化。If it is determined that the operation mode is the heating mode, the opening degree of the internal electronic expansion valve is controlled to be fully opened, and the external electronic expansion valve is controlled to perform the initialization.
  4. 根据权利要求3所述的方法，其中，控制所述内机电子膨胀阀进行所述初始化包括：The method of claim 3 wherein controlling said internal electronic expansion valve to perform said initializing comprises:
    获取所述空调机组的压缩机输出系数、所述电子膨胀阀的系数、所述空调机组的内环境温度的修正温度和所述空调机组的外环境温度的修正温度；Obtaining a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and a corrected temperature of an ambient temperature of the air conditioning unit;
    根据所述压缩机输出系数、所述电子膨胀阀的系数、所述内环境温度的修正温度和所述外环境温度的修正温度调整所述内机电子膨胀阀的开度。The opening degree of the internal electronic expansion valve is adjusted according to the compressor output coefficient, the coefficient of the electronic expansion valve, the corrected temperature of the internal ambient temperature, and the corrected temperature of the external ambient temperature.
  5. 根据权利要求4所述的方法，其中，获取所述空调机组的压缩机输出系数、所述电子膨胀阀的系数、所述空调机组的内环境温度的修正温度和所述空调机组的外环境温度的修正温度包括：The method according to claim 4, wherein a compressor output coefficient of the air conditioning unit, a coefficient of the electronic expansion valve, a corrected temperature of an internal environment temperature of the air conditioning unit, and an ambient temperature of the air conditioning unit are acquired. The corrected temperature includes:
    根据所述压缩机的运行频率和满负荷频率获得所述压缩机输出系数；Obtaining the compressor output coefficient according to an operating frequency of the compressor and a full load frequency;
    根据所述外机电子膨胀阀或者所述内机电子膨胀阀的口径、所述电子膨胀阀的基准口径获得所述电子膨胀阀的系数；Obtaining a coefficient of the electronic expansion valve according to a diameter of the external electronic expansion valve or the internal electronic expansion valve and a reference diameter of the electronic expansion valve;
    根据所述内环境温度的基础修正系数和所述内环境温度获得所述内环境温度的修正温度；Obtaining a corrected temperature of the internal environment temperature according to a base correction coefficient of the internal environment temperature and the internal environment temperature;
    根据所述外环境温度的基础修正系数和所述外环境温度获得所述外环境温度的修正温度。A corrected temperature of the external ambient temperature is obtained based on a base correction factor of the external ambient temperature and the external ambient temperature.
  6. 根据权利要求5所述的方法，其中，根据所述压缩机输出系数、所述电子膨胀阀的系数、所述内环境温度的修正温度和所述外环境温度的修正温度调整所述内机电子膨胀阀的开度包括：通过如下第一公式调整所述内机电子膨胀阀的开度P 1，P 1＝P 0*A*B+C+D， The method according to claim 5, wherein said internal machine is adjusted based on said compressor output coefficient, a coefficient of said electronic expansion valve, a corrected temperature of said internal ambient temperature, and a corrected temperature of said external ambient temperature The opening degree of the expansion valve includes: adjusting the opening degree P 1 of the internal electronic expansion valve by the following first formula, P 1 =P 0 *A*B+C+D,
    其中，P 0用于表示所述内机电子膨胀阀的默认开度，A用于表示所述压缩机输出系数，B用于表示所述电子膨胀阀的系数，C用于表示所述内环境温度的修正温度，D用于表示所述外环境温度的修正温度， Wherein P 0 is used to indicate the default opening degree of the internal electronic expansion valve, A is used to indicate the compressor output coefficient, B is used to represent the coefficient of the electronic expansion valve, and C is used to indicate the internal environment. The corrected temperature of the temperature, D is used to indicate the corrected temperature of the external ambient temperature,
    其中，A＝f/f 0，B＝b/b 0，C＝C 0*(T in-c)，D＝D 0*(d-T out)， Where A=f/f 0 , B=b/b 0 , C=C 0 *(T in -c), D=D 0 *(dT out ),
    其中，f用于表示所述运行频率，f 0用于表示所述满负荷频率，b用于表示所述外机电子膨胀阀或者所述内机电子膨胀阀的口径，b 0用于表示所述电子膨胀阀的基准口径，C 0用于表示所述内环境温度的基础修正系数，T in用于表示所述内环境温度，c用于表示所述内环境温度的工况温度，D 0用于表示所述外环境温度的基础修正系数，T out用于表示所述外环境温度，d用于表示所述外环境温度的工况温度。 Wherein f is used to indicate the operating frequency, f 0 is used to indicate the full load frequency, and b is used to indicate the diameter of the external electronic expansion valve or the internal electronic expansion valve, and b 0 is used to indicate The reference aperture of the electronic expansion valve, C 0 is used to indicate the basic correction coefficient of the internal ambient temperature, T in is used to represent the internal ambient temperature, and c is used to indicate the operating temperature of the internal ambient temperature, D 0 A base correction factor for indicating the temperature of the external environment, T out for indicating the ambient temperature, and d for indicating the temperature of the ambient temperature.
  7. 根据权利要求3所述的方法，其中，控制所述外机电子膨胀阀进行所述初始化包括：The method of claim 3 wherein controlling said external electronic expansion valve to perform said initializing comprises:
    获取在所述制热模式下的所述空调机组的外环系数修正量和压缩机的运行频率；Obtaining an outer ring coefficient correction amount of the air conditioning unit and an operating frequency of the compressor in the heating mode;
    根据所述外环系数修正量和所述运行频率调整所述外机电子膨胀阀的开度。The opening degree of the external electronic expansion valve is adjusted according to the outer ring coefficient correction amount and the operating frequency.
  8. 根据权利要求7所述的方法，其中，获取在所述制热模式下的所述空调机组的外环系数修正量包括：The method according to claim 7, wherein the obtaining an outer ring coefficient correction amount of the air conditioning unit in the heating mode comprises:
    判断所述空调机组的外环境温度是否大于等于预设温度；Determining whether an external ambient temperature of the air conditioning unit is greater than or equal to a preset temperature;
    如果判断出所述空调机组的外环境温度大于等于所述预设温度，获取第一外环系数修正量，其中，所述外环系数修正量包括所述第一外环系数修正量；If it is determined that the external environment temperature of the air conditioning unit is greater than or equal to the preset temperature, obtaining a first outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes the first outer loop coefficient correction amount;
    如果判断出所述空调机组的外环境温度小于所述预设温度，获取第二外环系数修正量，其中，所述外环系数修正量包括所述第二外环系数修正量。If it is determined that the external ambient temperature of the air conditioning unit is less than the preset temperature, obtaining a second outer loop coefficient correction amount, wherein the outer loop coefficient correction amount includes the second outer loop coefficient correction amount.
  9. 根据权利要求7所述的方法，其中，根据所述外环系数修正量和所述运行频率调整所述外机电子膨胀阀的开度包括：通过如下第二公式调整所述外机电子膨胀阀的开度P 2， The method according to claim 7, wherein adjusting the opening degree of the external electronic expansion valve according to the outer ring coefficient correction amount and the operating frequency comprises: adjusting the external electronic expansion valve by the following second formula Opening degree P 2 ,
    P 2＝a*f，其中，a用于表示所述外环系数修正量，f用于表示所述压缩机的运行频率。 P 2 = a * f, where a is used to indicate the outer loop coefficient correction amount, and f is used to indicate the operating frequency of the compressor.
  10. 根据权利要求3所述的方法，其中，判断所述电子膨胀阀是否符合所述预设条件包括：The method according to claim 3, wherein determining whether the electronic expansion valve meets the preset condition comprises:
    如果判断出所述运行模式为制冷模式，判断内机电子膨胀阀进行所述初始化的时间是否达到第一预设时间，或者检测所述空调机组通过所述电子膨胀阀是否建立了预设过冷度；If it is determined that the operation mode is the cooling mode, determining whether the internal electronic expansion valve performs the initialization time reaches a first preset time, or detecting whether the air conditioning unit establishes a preset supercooling through the electronic expansion valve degree;
    如果判断出所述内机电子膨胀阀进行所述初始化的时间达到所述第一预设时间，或者检测到所述空调机组通过所述电子膨胀阀建立了所述预设过冷度，确定所述电子膨胀阀符合所述预设条件。If it is determined that the internal electronic expansion valve performs the initialization for the first preset time, or detects that the air conditioning unit establishes the preset subcooling degree through the electronic expansion valve, determining The electronic expansion valve conforms to the preset condition.
  11. 根据权利要求3所述的方法，其中，判断所述电子膨胀阀是否符合所述预设条件包括：The method according to claim 3, wherein determining whether the electronic expansion valve meets the preset condition comprises:
    如果判断出所述运行模式为制热模式，判断所述外机电子膨胀阀进行所述初始化的时间是否达到第二预设时间，或者检测所述空调机组通过所述电子膨胀阀是否建立预设过冷度；If it is determined that the operation mode is the heating mode, determining whether the external electronic expansion valve performs the initialization time reaches a second preset time, or detecting whether the air conditioning unit establishes a preset through the electronic expansion valve Undercooling;
    如果判断出所述内机电子膨胀阀进行所述初始化的时间达到所述第二预设时间，或者检测到所述空调机组通过所述电子膨胀阀建立了所述预设过冷度，确定所述电子膨胀阀符合所述预设条件。If it is determined that the internal electronic expansion valve performs the initialization for the second preset time, or detects that the air conditioning unit establishes the preset subcooling degree through the electronic expansion valve, determining The electronic expansion valve conforms to the preset condition.
  12. 一种空调机组的运行控制装置，包括：An operation control device for an air conditioning unit, comprising:
    第一控制单元，设置为当空调机组开机运行时，控制所述空调机组的电子膨胀阀进行初始化；a first control unit configured to control an electronic expansion valve of the air conditioning unit to be initialized when the air conditioning unit is powered on;
    第二控制单元，设置为控制所述电子膨胀阀在进行所述初始化的过程中建立过冷度；a second control unit configured to control the electronic expansion valve to establish a degree of subcooling during the initializing process;
    第三控制单元，设置为根据所述过冷度控制所述空调机组的噪音。The third control unit is configured to control the noise of the air conditioning unit according to the degree of subcooling.
  13. 一种空调机组，其中，包括权利要求12所述的空调机组的运行控制装置。An air conditioning unit comprising the operation control device of the air conditioning unit according to claim 12.
  14. 一种存储介质，所述存储介质包括存储的程序，其中，在所述程序运行时控制所述存储介质所在设备执行权利要求1至11中任意一项所述的空调机组的运行控制方法。A storage medium, the storage medium comprising a stored program, wherein the device in which the storage medium is located controls the operation control method of the air conditioning unit according to any one of claims 1 to 11 while the program is running.
  15. 一种处理器，所述处理器用于运行程序，其中，所述程序运行时执行权利要求1至11中任意一项所述的空调机组的运行控制方法。A processor for executing a program, wherein the program is executed to execute the operation control method of the air conditioning unit according to any one of claims 1 to 11.
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