CN110410924B - Operation control method of variable frequency air conditioner, storage medium and air conditioner - Google Patents

Operation control method of variable frequency air conditioner, storage medium and air conditioner Download PDF

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CN110410924B
CN110410924B CN201910665336.2A CN201910665336A CN110410924B CN 110410924 B CN110410924 B CN 110410924B CN 201910665336 A CN201910665336 A CN 201910665336A CN 110410924 B CN110410924 B CN 110410924B
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air conditioner
frequency
saving mode
energy
electric quantity
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CN110410924A (en
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胡作平
朱松伟
刘湘
陈友樟
徐经碧
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Guangdong wanzhenzi Intelligent Control Technology Co.,Ltd.
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TCL Air Conditioner Zhongshan Co Ltd
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/50—Control or safety arrangements characterised by user interfaces or communication
    • F24F11/56—Remote control
    • F24F11/58—Remote control using Internet communication
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/65—Electronic processing for selecting an operating mode
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
    • F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/86—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling compressors within refrigeration or heat pump circuits
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2110/00—Control inputs relating to air properties
    • F24F2110/10—Temperature

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Thermal Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

The invention discloses an operation control method of a variable frequency air conditioner, a storage medium and the air conditioner, wherein when the operation state of the air conditioner in an energy-saving mode meets a preset condition, firstly, an environment parameter corresponding to the air conditioner and an electric quantity value corresponding to the energy-saving mode are obtained, secondly, a frequency interval and a frequency modulation speed corresponding to the air conditioner are determined according to the environment parameter and the electric quantity value, then, the operation of the air conditioner is adjusted to the frequency interval, and finally, the operation frequency is adjusted in the frequency interval. Therefore, the operating frequency of the air conditioner is limited through the frequency interval to meet the electrical efficiency of the air conditioner, and meanwhile, the operating frequency is gradually adjusted in the frequency interval according to the frequency modulation speed so as to gradually adjust the indoor temperature curve, so that the sudden rise/reduction of the indoor temperature is avoided, and the comfort of a user is improved.

Description

Operation control method of variable frequency air conditioner, storage medium and air conditioner
Technical Field
The invention relates to the technical field of air conditioners, in particular to an operation control method of a variable frequency air conditioner, a storage medium and the air conditioner.
Background
In hot summer, the variable frequency air conditioner can be used for refrigerating indoor air, so that a cool environment is created for users. However, the inverter air conditioner consumes a very large amount of power, and is often a main power consuming appliance in a home. In order to reduce the power consumption of the inverter air conditioner, a passive energy-saving control method or an active frequency limiting correction method is generally adopted in the conventional inverter air conditioner, however, when the operating frequency of the compressor is limited, the indoor temperature may change instantly, so that the comfort requirement of a user on the indoor environment temperature is influenced, and the use of the user is inconvenient.
Disclosure of Invention
The technical problem to be solved by the present invention is to provide an operation control method of a variable frequency air conditioner, a storage medium and an air conditioner, aiming at the defects of the prior art, so as to solve the problem that the existing control method of the variable frequency air conditioner affects the comfort of users.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows:
an operation control method of an inverter air conditioner includes:
when the air conditioner enters an energy-saving mode, detecting whether the running state of the air conditioner in the energy-saving mode meets a preset condition;
when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring an environment parameter corresponding to the air conditioner and an electric quantity value corresponding to the energy-saving mode, wherein the environment parameter comprises an outdoor temperature, an indoor temperature and an air conditioner set temperature;
determining a frequency interval and a frequency modulation speed corresponding to the air conditioner according to the environmental parameters and the electric quantity value;
and determining the operating frequency of the air conditioner according to the frequency interval, and adjusting the operating frequency of the air conditioner in the frequency interval according to the frequency modulation speed.
The operation control method of the variable frequency air conditioner, wherein the determining of the frequency interval and the frequency modulation speed corresponding to the air conditioner according to the environmental parameter and the electric quantity value specifically includes:
calculating the temperature difference between the indoor temperature and the set temperature of the air conditioner, and determining a frequency interval corresponding to the air conditioner according to the temperature difference and the outdoor temperature;
and determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value.
The operation control method of the variable frequency air conditioner, wherein the determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value specifically comprises:
determining the maximum frequency corresponding to the air conditioner according to the electric quantity value;
and determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the maximum frequency.
The operation control method of the variable frequency air conditioner, wherein the determining of the maximum frequency corresponding to the air conditioner according to the electric quantity value specifically includes:
periodically acquiring the power consumption of the air conditioner in the energy-saving mode;
and calculating the rated power of the air conditioner according to the electric quantity value and the electric power consumption, and setting the rated power as the maximum power corresponding to the energy-saving mode.
The operation control method of the inverter air conditioner, wherein the calculating the rated power of the air conditioner according to the electric quantity value and the electric power consumption and setting the rated power as the maximum power corresponding to the energy-saving mode specifically includes:
acquiring a total operation time length corresponding to the energy-saving mode and a first operation time length corresponding to the power consumption;
calculating the remaining second operation time length of the energy-saving mode according to the total operation time length and the first operation time length, and calculating a remaining electric quantity value according to the electric quantity value and the electric power consumption;
and calculating the rated power of the air conditioner according to the residual electric quantity value and the second operation time, and setting the rated power as the maximum power corresponding to the energy-saving mode.
The operation control method of the inverter air conditioner, wherein when the air conditioner enters the energy-saving mode, before detecting whether the operation state of the air conditioner in the energy-saving mode meets the preset condition, the method further comprises the following steps:
receiving configuration parameters of an energy-saving mode, and determining an electric quantity value of the electric quantity consumption of the air conditioner in the energy-saving mode according to the configuration parameters, wherein the configuration parameters comprise the electric quantity value, the total running time and the set temperature of the air conditioner.
The operation control method of the inverter air conditioner comprises the following steps:
and when the running state of the air conditioner in the energy-saving mode does not meet the preset condition, calculating the running frequency of the air conditioner according to the maximum power, and controlling the air conditioner to run according to the running frequency.
The operation control method of the inverter air conditioner comprises the following steps:
when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring the target exhaust temperature of an electronic expansion valve of a compressor;
acquiring the exhaust temperature of an electronic expansion valve of a compressor, and determining the opening and closing speed of the electronic expansion valve of the compressor according to the exhaust temperature difference between the target exhaust temperature and the exhaust temperature;
and adjusting the opening and closing degree of the electronic expansion valve of the compressor according to the opening and closing speed until the exhaust temperature difference meets the set condition.
The operation control method of the variable frequency air conditioner comprises the following preset conditions:
the time length that the air conditioner entered the energy-saving mode reaches and presets the time length, or the time length that the air conditioner entered the energy-saving mode does not reach and presets the time length just the temperature difference is less than and presets the temperature difference.
The operation control method of the inverter air conditioner comprises the following steps:
and acquiring the total power consumption of the air conditioner in the preset time period after every preset time period, and transmitting the total power consumption to a user side through an APP for controlling the air conditioner.
A computer readable storage medium storing one or more programs, the one or more programs being executable by one or more processors to implement the steps in the operation control method of the inverter air conditioner as described in any one of the above.
An air conditioner, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the operation control method of the inverter air conditioner as described in any one of the above.
Has the advantages that: compared with the prior art, the invention provides an operation control method of a variable frequency air conditioner, a storage medium and the air conditioner, when the operation state of the air conditioner in an energy-saving mode meets a preset condition, firstly, an environment parameter corresponding to the air conditioner and an electric quantity value corresponding to the energy-saving mode are obtained, secondly, a frequency interval and a frequency modulation speed corresponding to the air conditioner are determined according to the environment parameter and the electric quantity value, then, the operation of the air conditioner is adjusted to the frequency interval, and finally, the operation frequency is adjusted in the frequency interval. Therefore, the operating frequency of the air conditioner is limited through the frequency interval so as to meet the electrical efficiency of the air conditioner, and meanwhile, the operating frequency is gradually adjusted in the frequency interval according to the frequency modulation speed so as to gradually adjust the indoor temperature curve, so that the sudden rise/reduction of the indoor temperature is avoided, and the comfort of a user is improved.
Drawings
Fig. 1 is a flowchart illustrating an operation control method of an inverter air conditioner according to an embodiment of the present invention;
fig. 2 is a flowchart illustrating a maximum frequency calculation process according to an embodiment of the operation control method of the inverter air conditioner provided in the present invention;
FIG. 3 is a flowchart illustrating an expansion valve adjusting process in the operation control method of the inverter air conditioner according to the present invention;
fig. 4 is a schematic structural diagram of an air conditioner according to the present invention.
Detailed Description
The invention provides an operation control method of a variable frequency air conditioner, a storage medium and the air conditioner, and in order to make the purpose, technical scheme and effect of the invention clearer and clearer, the invention is further described in detail by referring to the attached drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As used herein, the singular forms "a", "an", "the" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It will be further understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof. It will be understood that when an element is referred to as being "connected" or "coupled" to another element, it can be directly connected or coupled to the other element or intervening elements may also be present. Further, "connected" or "coupled" as used herein may include wirelessly connected or wirelessly coupled. As used herein, the term "and/or" includes all or any element and all combinations of one or more of the associated listed items.
It will be understood by those skilled in the art that, unless otherwise defined, all terms (including technical and scientific terms) used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. It will be further understood that terms, such as those defined in commonly used dictionaries, should be interpreted as having a meaning that is consistent with their meaning in the context of the prior art and will not be interpreted in an idealized or overly formal sense unless expressly so defined herein.
The invention will be further explained by the description of the embodiments with reference to the drawings.
Example one
The embodiment provides an operation control method of an inverter air conditioner, as shown in fig. 1, the method includes:
and S10, when the air conditioner enters the energy-saving mode, detecting whether the running state of the air conditioner in the energy-saving mode meets a preset condition.
Specifically, the energy saving mode may be a default energy saving mode set when the air conditioner leaves a factory, and the default energy saving mode is configured with default configuration parameters, where the configuration parameters include a set temperature, a total operation time, and an electric quantity value of electric quantity consumed by the air conditioner. For example, the default configuration parameters are: the set temperature is 26 ℃, the total operation time is 8 hours, and the electric quantity value of the electric quantity consumed by the air conditioner is 4 ℃. In addition, the energy saving mode may also be a set energy saving mode set by a user before the air conditioner enters the energy saving mode, and the configuration parameter corresponding to the energy saving mode may be a configuration parameter set by the user through a preference mode configured by the air conditioner, for example, the configuration parameter set for the energy saving mode is: the set temperature is 25 ℃, the total operation time is 2 hours, and the electric quantity value of the electric quantity consumed by the air conditioner is 1 ℃.
Further, the preference mode of the air conditioner configuration can be that a preference mode setting interface is started through a remote controller, and the set temperature, the total running time and the electric quantity value corresponding to the energy-saving mode are controlled through a cursor; the preference mode of the air conditioner configuration may also be set by an external device associated with an air conditioner, for example, by logging in an APP for controlling the air conditioner through the external device, and setting the energy saving mode through the APP. In this embodiment, the preference mode is set by an external device associated with an air conditioner, and accordingly, before detecting whether an operating state of the air conditioner in the energy saving mode satisfies a preset condition when the air conditioner enters the energy saving mode, the method further includes:
s01, receiving configuration parameters of an energy-saving mode, and determining an electric quantity value of air conditioner electric quantity consumption in the energy-saving mode according to the configuration parameters, wherein the configuration parameters comprise the electric quantity value, total running time and set temperature of an air conditioner.
Specifically, the configuration parameter is sent to the air conditioner by an external device associated with the air conditioner, where the external device may be a mobile phone, a tablet computer, or the like. The external device may be in the same local area network as the air conditioner, and directly send the received configuration parameters of the energy saving mode to the air conditioner. The external equipment can also be connected with the air conditioner through a cloud end, and the configuration parameters of the energy-saving mode are sent to the air conditioner through the cloud end. In this embodiment, the external device is loaded with the APP for controlling the air conditioner, and is connected with the cloud end through the APP, and then is connected with the air conditioner through the cloud end, so that the external device can receive the configuration parameters corresponding to the energy-saving mode through the APP, send the configuration parameters to the cloud end, and send the configuration parameters to the air conditioner through the cloud end, so that when the air conditioner is turned off, the external device can also send the configuration parameters of the energy-saving mode to the cloud end, the cloud end temporarily stores the configuration parameters, and when detecting that the air conditioner is turned on and is connected to the cloud end, the configuration parameters are sent to the air conditioner, so that the air conditioner configures the energy-saving mode according to the configuration parameters.
Further, the preset condition is preset, and the preset condition comprises that the time length when the air conditioner enters the energy-saving mode reaches the preset time length and the time length when the air conditioner enters the energy-saving mode does not reach the preset time length, and the temperature difference is smaller than the preset temperature difference. The running state of the air conditioner in the energy-saving mode meets the preset condition that the running time of the air conditioner in the energy-saving mode reaches the preset time, or the running time of the air conditioner in the energy-saving mode does not reach the preset time but the temperature difference (the temperature difference between the indoor temperature and the set temperature) is smaller than the preset temperature difference. For example, if the time length for the air conditioner to enter the energy saving mode reaches a preset time length, the running state for the air conditioner to enter the energy saving mode meets a preset condition. If the running time of the air conditioner in the energy-saving mode does not reach the preset time but the temperature difference exists, the running state of the air conditioner entering the energy-saving mode meets the preset condition.
Meanwhile, in this embodiment, the duration that the air conditioner enters the energy saving mode refers to the continuous duration that the air conditioner is in the energy saving mode, that is, when the air conditioner enters the energy saving mode, the continuous duration that the air conditioner is in the energy saving mode is monitored, and the continuous duration is compared with a preset duration to judge whether the duration that the air conditioner enters the energy saving mode reaches the preset duration; when the time length of the air conditioner entering the energy-saving mode reaches the preset time length, judging that the running state of the air conditioner entering the energy-saving mode meets the preset condition; when the time length that the air conditioner got into energy-saving mode does not reach preset time length, obtain the temperature difference of indoor temperature and settlement temperature, and will the temperature difference is compared with preset temperature difference, when temperature difference less than or equal to preset temperature difference, judges the running state that the air conditioner got into energy-saving mode satisfies preset condition, and when temperature difference was greater than preset temperature difference, judges the running state that the air conditioner got into energy-saving mode does not satisfy preset condition. For example, the preset time is 20 minutes, the preset temperature difference is 2 ℃, and correspondingly, two conditions that the running state of the air conditioner entering the energy saving mode meets the preset condition are respectively as follows: the time length of the air conditioner entering the energy-saving mode is more than or equal to 20 minutes, the time length of the air conditioner entering the energy-saving mode is less than 20 minutes, and the temperature difference delta T between the indoor temperature and the set temperature is less than or equal to 2 ℃.
And S20, when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring the environment parameters corresponding to the air conditioner and the electric quantity value corresponding to the energy-saving mode, wherein the environment parameters comprise outdoor temperature, indoor temperature and air conditioner set temperature.
Specifically, the environmental parameters include an outdoor temperature, an indoor temperature and an air conditioner set temperature, the outdoor temperature can be detected by a temperature sensor arranged on an air conditioner external unit, the indoor temperature can be detected by a temperature sensor arranged on an indoor unit, and the set temperature is the air conditioner set temperature corresponding to the energy saving mode. The set temperature of the air conditioner and the electric quantity value are determined according to the configuration parameters corresponding to the energy-saving mode, that is, when the running state of the air conditioner in the energy-saving mode meets the preset conditions, the configuration parameters corresponding to the energy-saving mode are read, and the set temperature of the air conditioner, the electric quantity value and the total running time length corresponding to the energy-saving mode are determined according to the configuration parameters.
And S30, determining a frequency interval and a frequency modulation speed corresponding to the air conditioner according to the environmental parameters and the electric quantity value.
Specifically, the frequency interval is a frequency range in which the operating frequency of the air conditioner can be located under the limitation of the environmental parameter and the electric quantity value. And the frequency modulation speed is the speed of the air conditioner in the frequency interval during operation adjustment. In this embodiment, the frequency interval is determined according to an environmental parameter, and the frequency modulation speed is determined according to the environmental parameter and the electric quantity value. Correspondingly, the determining the frequency interval and the frequency modulation speed corresponding to the air conditioner according to the environmental parameter and the electric quantity value specifically includes:
s31, calculating the temperature difference between the indoor temperature and the set temperature of the air conditioner, and determining the frequency interval corresponding to the air conditioner according to the temperature difference and the outdoor temperature;
and S32, determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value.
Specifically, the temperature difference is a temperature difference between an indoor temperature and a set temperature, for example, the indoor temperature is 26 ℃, the air-conditioning set temperature is 25 ℃, and the temperature difference is an indoor temperature — an air-conditioning set temperature of 26 ℃ — 25 ℃ — 1 ℃. In this embodiment, the determining the frequency interval corresponding to the air conditioner according to the temperature difference and the outdoor temperature may use a frequency fuzzy self-optimizing control method to determine the frequency interval. The specific process of the frequency fuzzy self-optimizing control mode can be as follows: firstly, processing the outdoor temperature and the temperature difference according to a preset outdoor temperature interval set and a preset temperature difference interval set to determine an outdoor temperature interval corresponding to the outdoor temperature and a temperature difference interval corresponding to the temperature difference, wherein the processing can be fuzzification; and secondly, after the outdoor temperature interval and the temperature difference interval are determined, determining the outdoor temperature and the frequency interval corresponding to the temperature difference according to the preset corresponding relation between the outdoor temperature interval and the temperature difference interval as well as the frequency interval.
For example, the following steps are carried out: the preset outdoor temperature interval set and the temperature difference interval set can be shown in table 1, and the corresponding relationship between the preset outdoor temperature interval and the temperature difference interval and the frequency interval can be shown in table 2; assuming that the outdoor temperature interval corresponding to the outdoor ambient temperature is determined to be the temperature interval 3 according to table 1, and the temperature difference interval corresponding to the temperature difference is the temperature difference interval 3, the temperature interval 3 and the temperature difference interval 3 can be determined according to table 2, and the frequency interval can be determined to be the medium-high frequency interval MH.
TABLE 1 outer Loop temperature interval, temperature Difference interval, and maximum Power interval
Figure BDA0002138552100000091
TABLE 2 outdoor temperature interval, temperature difference interval and frequency interval corresponding relation
Figure BDA0002138552100000092
Figure BDA0002138552100000101
Wherein, each symbol in the table 2 is as shown in the following table 4.
Further, in an implementation manner of this embodiment, the determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value is determining the frequency modulation speed according to the temperature difference and the maximum power of the air conditioner. Correspondingly, the determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value specifically includes:
s321, determining the maximum frequency corresponding to the air conditioner according to the electric quantity value;
and S322, determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the maximum frequency.
Specifically, the maximum power is the maximum power allowed to be output by the air conditioner in the energy saving mode, and the maximum power is determined according to the electric quantity value consumed by the electric quantity of the air conditioner in the energy saving mode and the total operation duration of the air conditioner in the energy saving mode, wherein the maximum power is the electric quantity value/the total operation duration. In practical application, the power consumption of the air conditioner in each time period is different along with the change of the operation frequency of the air conditioner, so that the maximum power of the air conditioner can be changed along with the operation of the air conditioner under the condition that the total power value is not changed. Therefore, when the maximum power corresponding to the energy saving mode is obtained, the maximum power may be calculated and updated by using a periodic obtaining manner, so that in a preferred embodiment, as shown in fig. 2, the determining the maximum frequency corresponding to the air conditioner according to the electric quantity value specifically includes:
l21, periodically acquiring the power consumption of the air conditioner in the energy-saving mode;
and L22, calculating the rated power of the air conditioner according to the electric quantity value and the electric power consumption, and setting the rated power as the maximum power corresponding to the energy-saving mode.
Specifically, the periodic period is preset, for example, the period is 1 minute. The power consumption refers to power consumption consumed in a first operation time period of the air conditioner in the energy-saving mode, and a residual power value which can be consumed in a second operation time period of the energy-saving mode can be calculated according to the power consumption. And after the residual electric quantity value is obtained through calculation, calculating and obtaining the rated power of the air conditioner at the moment according to the residual electric quantity value, and setting the rated power as the maximum power corresponding to the energy-saving mode. Therefore, when the rated power of the air conditioner after the first operation time is obtained through calculation, even if the air conditioner operates at the maximum power within the second operation time from the first operation time to the total operation time, the total electric quantity consumed by the air conditioner in the energy-saving mode operation can be equal to the electric quantity value set by the energy-saving mode, and the power consumption requirement of a user is met.
Further, in an implementation manner of this embodiment, the calculating a rated power of an air conditioner according to the electric quantity value and the electric power consumption, and setting the rated power as a maximum power corresponding to the energy saving mode may include:
l211, acquiring a total operation time length corresponding to the energy-saving mode and a first operation time length corresponding to the power consumption;
l212, calculating the remaining second operation time length of the energy-saving mode according to the total operation time length and the first operation time length, and calculating a remaining electric quantity value according to the electric quantity value and the electric power consumption;
and L213, calculating the rated power of the air conditioner according to the residual electric quantity value and the second operation time, and setting the rated power as the maximum power corresponding to the energy-saving mode.
Specifically, the rated power is the maximum power that can be output by the air conditioner at the moment of obtaining, and the rated power P ismaxThe calculation formula of (t) may be:
pmax(t)＝(Qmax-Qt)/(T-t)
wherein, Q ismaxElectric quantity value, Q, representing air conditioner electric quantity consumption in energy saving modetThe method comprises the steps of representing the power consumption of the air conditioner in the total operation time T in the energy-saving mode, wherein T is the total operation time corresponding to the energy-saving mode, and T is the first operation time of the air conditioner in the energy-saving mode.
Further, in an implementation manner of this embodiment, the determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the maximum frequency may use a frequency fuzzy self-optimizing control manner to determine the frequency modulation speed. The specific process of the frequency fuzzy self-optimizing control mode can be as follows: processing the temperature difference and the maximum power according to a preset temperature difference interval set and a maximum power interval set to determine a second temperature difference interval corresponding to the temperature difference and a maximum power interval corresponding to the maximum power, wherein the processing is preferably fuzzification; and determining the temperature difference and the frequency modulation speed corresponding to the maximum power according to the corresponding relation between the preset temperature difference interval and the maximum power interval and the frequency modulation speed.
For example, the following steps are carried out: the preset temperature difference interval set and the maximum power interval set are shown in table 1, the corresponding relation between the preset temperature difference interval and the maximum power interval and the frequency modulation speed is shown in table 3, and if the temperature difference interval corresponding to the temperature difference is determined to be the temperature difference interval 3 according to the table 1 and the power interval corresponding to the maximum power is the power interval 6, the temperature difference interval 3 and the power interval 6 can be determined to be the slow drop D at the frequency modulation speed according to the table 3.
TABLE 3 temperature difference interval and maximum power interval corresponding to frequency modulation speed
Figure BDA0002138552100000121
Wherein each symbol in table 3 is shown in table 4.
TABLE 4 frequency interval and FM speed
Frequency interval Definition of Frequency modulated speed Definition of
Ultra high frequency range SH Fast rising QU
High frequency range H Middle-rising MU
Medium-high frequency interval MH Slowly ascending U
Intermediate frequency range M Holding HOLD
Middle and low frequency regionWorkshop ML Slowly descending D
Low frequency range L Middle descending MD
Ultra low frequency range SL Fast fall QD
Further, after a frequency interval corresponding to the air conditioner is obtained, the optimal frequency corresponding to the current time of the air conditioner is determined according to the frequency interval and is recorded as the operating frequency of the air conditioner. When determining the operating frequency of the air conditioner according to the frequency interval, firstly, the actual operating frequency of the air conditioner at the current moment needs to be acquired, and the operating frequency of the air conditioner is determined according to the actual operating frequency. Wherein, the determining the operation frequency of the air conditioner according to the actual operation frequency may be: when the actual operating frequency of the air conditioner is obtained, respectively comparing the actual frequency with an upper limit value and a lower limit value of a frequency interval, and if the actual frequency value is greater than the upper limit value, setting the upper limit value as the operating frequency of the air conditioner; if the actual frequency is smaller than the lower limit value, setting the lower limit value as the operating frequency of the air conditioner; if the actual frequency is less than or equal to the upper limit value and greater than or equal to the lower limit value, the actual operating frequency is set to be the operating frequency of the air conditioner, so that on one hand, the operating frequency of the air conditioner can be in a frequency range to meet the requirement of an energy-saving mode, on the other hand, the jump amplitude of the operating frequency can be avoided through the frequency range, the instantaneous change of the refrigerating capacity/heating capacity of the air conditioner is avoided, and the comfort level of a user is improved. For example, in one embodiment, the frequency interval corresponding to the outdoor temperature and the temperature difference is 30-40Hz, and if the actual operation frequency of the air conditioner is 50Hz, the operation frequency of the air conditioner is set to be 40 Hz; if the actual frequency of the air conditioner is 20Hz, setting the running frequency of the air conditioner to be 30 Hz; and if the actual frequency of the air conditioner is 35Hz, the running frequency of the air conditioner is 35 Hz.
And S40, determining the operating frequency of the air conditioner according to the frequency interval, and adjusting the operating frequency of the air conditioner in the frequency interval according to the frequency modulation speed.
Specifically, after a frequency interval, the operating frequency of the air conditioner and the frequency modulation speed are obtained, the operating frequency is adjusted in the frequency interval according to the frequency modulation speed, if the frequency modulation speed is increased, the operating frequency is increased in the frequency interval, and after the operating frequency is increased to an upper limit value, the operating frequency is kept at the upper limit value; if the frequency modulation speed is decreased, the operating frequency is reduced in the frequency interval, and the operating frequency is kept at the lower limit value after the operating frequency is decreased to the lower limit value. For example, if the frequency interval is 30-40Hz, the frequency modulation speed is slow drop D, and the operating frequency is 32Hz, the operating frequency is reduced, and when the operating frequency is reduced to 30Hz, the operating frequency is maintained at 30 Hz. For another example, if the frequency interval is 30-40Hz, the frequency modulation speed is gradually increased U, and the operating frequency is 38Hz, the operating frequency is increased, and when the operating frequency is reduced to 40Hz, the operating frequency is maintained at 40 Hz.
Further, in one embodiment, the method further includes calculating an operation frequency of the air conditioner according to the maximum power and controlling the air conditioner to operate according to the operation frequency when the operation state of the air conditioner in the energy saving mode does not satisfy a preset condition.
Specifically, the operation state of the air conditioner in the energy-saving mode does not meet a preset condition, the maximum power of the air conditioner is obtained, the maximum power is set as the operation power of the air conditioner, the operation frequency corresponding to the operation power is calculated, and the air conditioner is controlled to operate according to the operation frequency. The maximum power is the maximum power calculated in step S20.
Further, in an embodiment, in order to facilitate the user to know the power consumption of the air conditioner, the air conditioner can acquire the power consumption consumed by the predetermined time period after running the predetermined time period, and will the power consumption is sent to the cloud, and the power consumption is sent to the external equipment of the APP that is used for controlling the air conditioner through the cloud, so that the user can acquire the power consumption through the APP on the external equipment, thereby the user can know the power consumption of the air conditioner at any time. The predetermined time period may be set by a user, or may be a default setting of the air conditioner, for example, the predetermined time period is from 6 pm to 6 pm.
Further, in an implementation manner of this embodiment, as shown in fig. 3, the method further includes:
n10, when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring the target exhaust temperature of the electronic expansion valve of the compressor;
n20, acquiring the exhaust temperature of the electronic expansion valve of the compressor, and determining the opening and closing speed of the electronic expansion valve of the compressor according to the exhaust temperature difference between the target exhaust temperature and the exhaust temperature;
and N30, adjusting the opening and closing of the electronic expansion valve of the compressor according to the opening and closing speed until the exhaust temperature difference meets the set condition.
Specifically, the target exhaust temperature of the electronic expansion valve of the compressor is determined according to a temperature value of an evaporator coil of an air conditioner internal unit and a temperature value of a condenser coil of an air conditioner external unit, and a calculation formula of the target exhaust temperature may be:
Figure BDA0002138552100000151
wherein, TInner pipeIs the temperature value T of the coil of the evaporator of the air conditioner internal unitFrequency weightingWeighting temperature values, T, for the operating frequencyOuter tubeIs the temperature value T of the coil pipe of the condenser of the air conditioner outdoor unitCondensation temperature compensationCompensating temperature value for air conditioner outdoor unit condenser A1、A2And A3Are weighting parameters.
The operation frequency weighted temperature value may be determined according to a corresponding relationship between a preset operation frequency and an operation frequency weighted temperature value, for example, an operation frequency weighted temperature value corresponding to an operation frequency of 40Hz is 5 ℃. A is described1、A2And A3Can be obtained by experiments.
Further, after the target exhaust temperature is obtained, the exhaust temperature of the electronic expansion valve of the compressor at the current moment is detected, after the target exhaust temperature and the exhaust temperature are obtained, the exhaust temperature difference between the target temperature and the exhaust temperature is calculated, and finally the exhaust temperature difference is determined by adopting a self-adaptive fuzzy mode to determine the opening and closing speed of the electronic expansion valve of the compressor. The specific process of determining the opening and closing speed of the electronic expansion valve of the compressor by adopting the self-adaptive fuzzy mode to determine the exhaust temperature difference can be as follows: after the exhaust temperature difference is obtained, fuzzy processing is carried out on the exhaust temperature difference according to the table 5 so as to determine a temperature difference interval corresponding to the exhaust temperature difference, and then the opening and closing speed is determined according to the corresponding relation between the exhaust temperature difference in the table 5 and the opening and closing speed of the electronic expansion valve of the compressor.
TABLE 5 exhaust temperature difference interval and opening/closing speed corresponding relationship
Interval of exhaust temperature difference Opening and closing speed of electronic expansion valve of compressor
Delta T exhaust>Ta Quick-opening device
Tb<Δ T exhaust<Ta Middle opening
Tc<Δ T exhaust<Tb Slow opening
Td<Δ T exhaust<Tc Holding
Te<Δ T exhaust<Td Slow switch
Tf<Δ T exhaust<Te Middle gate
Delta T exhaust<Tf Fast switch
Further, after the opening and closing speed of the electronic expansion valve is obtained, the opening and closing degree of the electronic expansion valve is adjusted according to the opening and closing speed, the exhaust temperature and the target exhaust temperature of the electronic expansion valve are periodically obtained, whether the exhaust temperature difference between the target exhaust temperature and the exhaust temperature meets the set condition or not is detected, when the set condition is met, the opening and closing degree of the electronic expansion valve is guaranteed to be unchanged, and when the set condition is not met, the opening and closing speed is determined according to the exhaust temperature difference, and the opening and closing degree of the electronic expansion valve of the compressor is adjusted according to the opening and closing speed.
Based on the operation control method of the inverter air conditioner, the invention provides a computer-readable storage medium, wherein one or more programs are stored in the computer-readable storage medium, and the one or more programs can be executed by one or more processors to realize the steps in the operation control method of the inverter air conditioner.
Based on the operation control method of the inverter air conditioner, the present invention further provides an air conditioner, as shown in fig. 4, including at least one processor (processor) 20; a display screen 21; and a memory (memory)22, and may further include a communication Interface (Communications Interface)23 and a bus 24. The processor 20, the display 21, the memory 22 and the communication interface 23 can communicate with each other through the bus 24. The display screen 21 is configured to display a user guidance interface preset in the initial setting mode. The communication interface 23 may transmit information. The processor 20 may call logic instructions in the memory 22 to perform the methods in the embodiments described above.
Furthermore, the logic instructions in the memory 22 may be implemented in software functional units and stored in a computer readable storage medium when sold or used as a stand-alone product.
The memory 22, which is a computer-readable storage medium, may be configured to store a software program, a computer-executable program, such as program instructions or modules corresponding to the methods in the embodiments of the present disclosure. The processor 20 executes the functional application and data processing, i.e. implements the method in the above-described embodiments, by executing the software program, instructions or modules stored in the memory 22.
The memory 22 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the terminal device, and the like. Further, the memory 22 may include a high speed random access memory and may also include a non-volatile memory. For example, a variety of media that can store program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk, may also be transient storage media.
In addition, the specific processes loaded and executed by the instruction processors in the storage medium and the air conditioner are described in detail in the method, and are not stated herein.
Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (11)

1. An operation control method of a variable frequency air conditioner is characterized by comprising the following steps:
when the air conditioner enters an energy-saving mode, detecting whether the running state of the air conditioner in the energy-saving mode meets a preset condition;
when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring an environment parameter corresponding to the air conditioner and an electric quantity value corresponding to the energy-saving mode, wherein the environment parameter comprises an outdoor temperature, an indoor temperature and an air conditioner set temperature;
determining a frequency interval and a frequency modulation speed corresponding to the air conditioner according to the environmental parameters and the electric quantity value;
determining the operating frequency of the air conditioner according to the frequency interval, and adjusting the operating frequency of the air conditioner in the frequency interval according to the frequency modulation speed;
the determining the frequency interval and the frequency modulation speed corresponding to the air conditioner according to the environmental parameter and the electric quantity value specifically comprises:
calculating the temperature difference between the indoor temperature and the set temperature of the air conditioner, and determining a frequency interval corresponding to the air conditioner according to the temperature difference and the outdoor temperature; the frequency interval is a frequency range where the operating frequency of the air conditioner is located under the limitation of the environmental parameters and the electric quantity value;
determining a frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value; and the frequency modulation speed is the speed of the air conditioner in the frequency interval during operation adjustment.
2. The operation control method of the inverter air conditioner according to claim 1, wherein the determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the electric quantity value specifically comprises:
determining the maximum power corresponding to the air conditioner according to the electric quantity value;
and determining the frequency modulation speed corresponding to the air conditioner according to the temperature difference and the maximum power.
3. The operation control method of the inverter air conditioner according to claim 2, wherein the determining the maximum power corresponding to the air conditioner according to the electric quantity value specifically includes:
periodically acquiring the power consumption of the air conditioner in the energy-saving mode;
and calculating the rated power of the air conditioner according to the electric quantity value and the electric power consumption, and setting the rated power as the maximum power corresponding to the energy-saving mode.
4. The operation control method of the inverter air conditioner according to claim 3, wherein the calculating the rated power of the air conditioner according to the electric quantity value and the electric power consumption, and setting the rated power to the maximum power corresponding to the energy-saving mode specifically comprises:
acquiring a total operation time length corresponding to the energy-saving mode and a first operation time length corresponding to the power consumption;
calculating the remaining second operation time length of the energy-saving mode according to the total operation time length and the first operation time length, and calculating a remaining electric quantity value according to the electric quantity value and the electric power consumption;
and calculating the rated power of the air conditioner according to the residual electric quantity value and the second operation time, and setting the rated power as the maximum power corresponding to the energy-saving mode.
5. The operation control method of the inverter air conditioner according to claim 1, wherein before detecting whether the operation state of the air conditioner in the energy saving mode satisfies the preset condition when the air conditioner enters the energy saving mode, the method further comprises:
receiving configuration parameters of an energy-saving mode, and determining an electric quantity value of the electric quantity consumption of the air conditioner in the energy-saving mode according to the configuration parameters, wherein the configuration parameters comprise the electric quantity value, the total running time and the set temperature of the air conditioner.
6. The operation control method of the inverter air conditioner according to claim 3, further comprising:
and when the running state of the air conditioner in the energy-saving mode does not meet the preset condition, calculating the running frequency of the air conditioner according to the maximum power, and controlling the air conditioner to run according to the running frequency.
7. The operation control method of the inverter air conditioner according to claim 1, further comprising:
when the running state of the air conditioner in the energy-saving mode meets a preset condition, acquiring the target exhaust temperature of an electronic expansion valve of a compressor;
acquiring the exhaust temperature of an electronic expansion valve of a compressor, and determining the opening and closing speed of the electronic expansion valve of the compressor according to the exhaust temperature difference between the target exhaust temperature and the exhaust temperature;
and adjusting the opening and closing degree of the electronic expansion valve of the compressor according to the opening and closing speed until the exhaust temperature difference meets the set condition.
8. The operation control method of the inverter air conditioner according to any one of claims 2 to 4, wherein the preset conditions are as follows:
the time length that the air conditioner entered the energy-saving mode reaches and presets the time length, or the time length that the air conditioner entered the energy-saving mode does not reach and presets the time length just the temperature difference is less than and presets the temperature difference.
9. The operation control method of the inverter air conditioner according to any one of claims 1 to 7, wherein the method further comprises:
and acquiring the total power consumption of the air conditioner in the preset time period after every preset time period, and transmitting the total power consumption to a user side through an APP for controlling the air conditioner.
10. A computer-readable storage medium, wherein the computer-readable storage medium stores one or more programs, and the one or more programs are executable by one or more processors to implement the steps in the operation control method of the inverter air conditioner according to any one of claims 1 to 9.
11. An air conditioner, comprising: a processor, a memory, and a communication bus; the memory has stored thereon a computer readable program executable by the processor;
the communication bus realizes connection communication between the processor and the memory;
the processor, when executing the computer readable program, implements the steps in the operation control method of the inverter air conditioner according to any one of claims 1 to 9.
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