CN110486909A - Air conditioner, air conditioner working method, computer installation and computer readable storage medium - Google Patents

Air conditioner, air conditioner working method, computer installation and computer readable storage medium Download PDF

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Publication number
CN110486909A
CN110486909A CN201910788915.6A CN201910788915A CN110486909A CN 110486909 A CN110486909 A CN 110486909A CN 201910788915 A CN201910788915 A CN 201910788915A CN 110486909 A CN110486909 A CN 110486909A
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CN
China
Prior art keywords
air conditioner
heat exchanger
conversion equipment
dehumidification
heat exchange
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910788915.6A
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Chinese (zh)
Inventor
孙妍
邓李娇
黄柏良
陈远远
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Gree Electric Appliances Inc of Zhuhai
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Gree Electric Appliances Inc of Zhuhai
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN201910788915.6A priority Critical patent/CN110486909A/en
Publication of CN110486909A publication Critical patent/CN110486909A/en
Pending legal-status Critical Current

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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/62Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63Electronic processing
    • F24F11/65Electronic processing for selecting an operating mode
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00Control or safety arrangements
    • F24F11/70Control systems characterised by their outputs; Constructional details thereof
    • F24F11/80Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
    • F24F11/873Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling refrigerant heaters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2313/00Compression machines, plants or systems with reversible cycle not otherwise provided for
    • F25B2313/021Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit
    • F25B2313/0212Indoor unit or outdoor unit with auxiliary heat exchanger not forming part of the indoor or outdoor unit the auxiliary heat exchanger being only used during dehumidifying

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

Abstract

The present invention provides a kind of air conditioner, air conditioner working method, computer installation and computer readable storage medium, is provided with reheat dehumidification device on the access between the first electric expansion valve and indoor heat exchanger of the air conditioner;Reheat dehumidification device includes conversion equipment and dehumidification heat exchange, and conversion equipment controls the refrigerant channels flow between the second end of dehumidification heat exchange and the first end of indoor heat exchanger.This method is applied to the air conditioner.Computer installation includes controller, and controller is for realizing above-mentioned air conditioner working method when executing the computer program stored in memory.Computer readable storage medium, is stored thereon with computer program, and above-mentioned air conditioner working method is realized when computer program is executed by a controller.Air conditioner can be made to improve using the present invention and adjust temperature and humidity precision.

Description

Air conditioner, air conditioner working method, computer installation and computer-readable storage Medium
Technical field
The present invention relates to air-conditioning technical fields, specifically, being related to a kind of air conditioner, further relate to apply the sky in the air conditioner Device working method is adjusted, the computer installation using the air conditioner working method is further related to, is further related to using the air conditioner work side The computer readable storage medium of method.
Background technique
Summer, outside air humidity is larger, needs to use dehumidification function in the use process of air conditioner.In dehumidification process In be usually associated with the decline of temperature, existing air conditioner generally utilizes electric heating to realize reheat function, increases the same of power consumption When cause energy waste;In terms of Temperature and Humidity Control, currently, air conditioner on the market can only control room temperature, and cannot Meet temperature and humidity demand simultaneously.And most dehumidification modes can only judge whether user needs to dehumidify according to the temperature difference, it can not be by It need to control wet, influence user experience.
Summary of the invention
The first object of the present invention is to provide a kind of air conditioner that can be improved and adjust temperature and humidity precision.
The second object of the present invention is to provide a kind of air conditioner working method that can be improved and adjust temperature and humidity precision.
The third object of the present invention is to provide a kind of computer installation that can be improved and adjust temperature and humidity precision.
The fourth object of the present invention is to provide a kind of computer readable storage medium that can be improved and adjust temperature and humidity precision.
In order to realize above-mentioned first purpose, air conditioner provided by the invention includes indoor heat exchanger and outdoor heat exchanger, room The first end of interior heat exchanger and the first end of outdoor heat exchanger are connected by the first electric expansion valve, the second end of indoor heat exchanger It is connect with the second end of outdoor heat exchanger by four-way valve and compressor;It is logical between first electric expansion valve and indoor heat exchanger Road is provided with reheat dehumidification device;Reheat dehumidification device includes conversion equipment and dehumidification heat exchange, and the first of dehumidification heat exchange End is connect with the first electric expansion valve, the first end connection of the second end of dehumidification heat exchange and conversion equipment, and the of conversion equipment The connection of the first end of two ends and indoor heat exchanger, dehumidification heat exchange are mounted on the air duct between indoor heat exchanger and indoor air outlet Interior, conversion equipment controls the refrigerant channels flow between the second end of dehumidification heat exchange and the first end of indoor heat exchanger.
By above scheme as it can be seen that air conditioner of the invention passes through leading between the first electric expansion valve and indoor heat exchanger Road is provided with reheat dehumidification device, can realize dehumidification heat exchange by control reheat dehumidification device and the first electric expansion valve The switching of heat exchanger function is carried out under refrigerating state, heating state and dehumidified state, meanwhile, in dehumidified state, Temperature adjusting can be carried out by dehumidification heat exchange, convenient for controlling to adjust temperature and humidity precision.
In further embodiment, conversion equipment includes solenoid valve and second choke part, solenoid valve and second choke part It is connected in parallel between the first end of conversion equipment and the second end of conversion equipment, the refrigerant channels flow of solenoid valve side is greater than the The refrigerant channels flow of two throttling device sides.
It can be seen that conversion equipment can enable difference by setting solenoid valve and second choke part under different conditions Access, make the function switch of dehumidification heat exchange, convenient for temperature and humidity is adjusted.
In further embodiment, second choke part includes electric expansion valve or capillary.
It can be seen that electric expansion valve or capillary can be used in second choke part, convenient for improving the diversification of structure.
In further embodiment, conversion equipment include the second electric expansion valve, the both ends of the second electric expansion valve respectively with The first end of conversion equipment is connected with the second end of conversion equipment.
It can be seen that conversion equipment can also carry out dehumidification heat exchange by the way that second electric expansion valve is separately provided The control of refrigerant channels flow between second end and the first end of indoor heat exchanger realizes that the function of dehumidification heat exchange is cut It changes.
In further embodiment, air conditioner further includes indoor fan, and indoor fan setting goes out in dehumidification heat exchange and interior In air duct between air port.
It can be seen that in order to ensure that the heat exchange of air conditioner indoor fresh air is complete, dehumidification heat exchange and indoor air outlet it Between air duct in install indoor fan, can be convenient for air circulation.
In order to realize that above-mentioned second purpose, air conditioner working method provided by the invention include: to obtain the work of air conditioner Status command;When the operating state instruction got is dehumidifying instruction, the first electric expansion valve of control enters maximum opening, turns Changing device enters throttle, indoor heat exchanger enters evaporator stage and outdoor heat exchanger and dehumidification heat exchange enter condenser State;The return air temperature and rh value for obtaining indoor return air mouth carry out temperature according to return air temperature and rh value Degree and humid control.
By above scheme as it can be seen that air conditioner working method of the invention passes through control first when getting dehumidifying instruction Electric expansion valve enters maximum opening, conversion equipment enters throttle, indoor heat exchanger enters evaporator stage and outdoor is changed Hot device and dehumidification heat exchange enter condenser state, dehumidify so that fresh air cools to dew-point temperature when passing through indoor heat exchanger Processing, the air after cooling flows through dehumidification heat exchange and carries out heating treatment, thus regulating outlet air temperature.Meanwhile it being returned by interior The return air temperature and rh value temperature and humidity in air port control, so that adjusting temperature and humidity precision can be improved in air conditioner.
In further embodiment, wrapped according to the step of return air temperature and rh value progress temperature and humidity control It includes: being obtained according to return air temperature and rh value containing wet ratio;When being greater than or equal to the first preset value containing wet ratio, control pressure Contracting machine is run with the first preset compressor frequency raising frequency, controls outdoor fan with the first default blower frequency down operation.
It can be seen that when carrying out humidity regulation, if illustrating fresh air air than being greater than or equal to the first preset value containing wet Humidity is larger, needs to increase compressor operating frequency, reduces the temperature of indoor heat exchanger, accelerates condensation, while in order to ensure room Interior temperature, the frequency that need to control outdoor fan reduces, so that the temperature of dehumidification heat exchange increases, to increase leaving air temp.
In further embodiment, also wrapped according to the step of return air temperature and rh value progress temperature and humidity control It includes: when being greater than or equal to the second preset value containing wet ratio and less than the first preset value, controlling compressor with current compression unit frequency Operation, control outdoor fan are run with current blower frequency.
It can be seen that if illustrating fresh air than being greater than or equal to the second preset value and when less than the first preset value containing wet Air humidity meets requirement set by user, and compressor is with the operation of current compression unit frequency, and outdoor fan is with current blower frequency Operation.
In further embodiment, also wrapped according to the step of return air temperature and rh value progress temperature and humidity control Include: when containing it is wet than less than the second preset value when, control compressor run with the second predeterminated frequency frequency reducing, and control outdoor fan is with the Two default blower frequency raising frequency operations.
It can be seen that when carrying out humidity regulation, if containing it is wet than less than the second preset value, illustrate fresh air air humidity compared with It is small, it needs to reduce compressor operating frequency, increases the temperature of indoor heat exchanger, delay condensation, meanwhile, outdoor fan is controlled with the Two default blower frequency raising frequency operations make the air humidity of outlet air meet user's setting so that the temperature of dehumidification heat exchange reduces Requirement.
In further embodiment, after the step of obtaining the operating state instruction of air conditioner, method further include: when getting Operating state instruction be refrigeration instruction when, control the first electric expansion valve enters throttle, conversion equipment enters maximum and opens Degree, indoor heat exchanger and dehumidification heat exchange enters evaporator stage and outdoor heat exchanger enters condenser state.
It can be seen that the first electric expansion valve of control enters throttle, and conversion equipment enters maximum when being freezed Aperture, so that indoor heat exchanger and dehumidification heat exchange enter evaporator stage and outdoor heat exchanger enters condenser state, thus Increase the area of evaporator stage, improves refrigeration effect.
In further embodiment, after the step of obtaining the operating state instruction of air conditioner, method further include: when getting Operating state instruction be heating instruction when, control the first electric expansion valve enters throttle, conversion equipment enters maximum and opens Degree, indoor heat exchanger and dehumidification heat exchange enters condenser state and outdoor heat exchanger enters evaporator stage.
It can be seen that by controlling, the first electric expansion valve enters throttle, conversion equipment enters when being heated Maximum opening, indoor heat exchanger and dehumidification heat exchange enter condenser state and outdoor heat exchanger enters evaporator stage, can increase Add the area of condenser, improves heating effect.
In order to realize the third object of the present invention, it includes processor and memory that the present invention, which provides computer installation, is deposited The step of reservoir is stored with computer program, and above-mentioned air conditioner working method is realized when computer program is executed by processor.
In order to realize the fourth object of the present invention, computer readable storage medium provided by the invention is stored thereon with meter Calculation machine program, the step of above-mentioned air conditioner working method is realized when computer program is executed by a controller.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of part electronic component in the air condition of that present invention embodiment.
Fig. 2 is another structural schematic diagram of part electronic component in the air condition of that present invention embodiment.
Fig. 3 is the flow chart of the air condition of that present invention working method embodiment.
Fig. 4 is that condensing agent flows to schematic diagram under dehumidified state in the air condition of that present invention working method embodiment.
Fig. 5 be in the air condition of that present invention working method embodiment according to return air temperature and rh value carry out temperature and The flow chart of the step of humid control.
Fig. 6 is that condensing agent flows to schematic diagram under refrigerating state in the air condition of that present invention working method embodiment.
Fig. 7 is that condensing agent flows to schematic diagram under heating state in the air condition of that present invention working method embodiment.
The invention will be further described with reference to the accompanying drawings and embodiments.
Specific embodiment
Air conditioner embodiment:
Referring to Fig. 1, air conditioner includes indoor heat exchanger 1 and outdoor heat exchanger 2, first end and the outdoor of indoor heat exchanger 1 The first end of heat exchanger 2 is connected by the first electric expansion valve 3, the second end of indoor heat exchanger 1 and the second of outdoor heat exchanger 2 End is connected by four-way valve 4 and compressor 5.Indoor heat exchanger 1 is mounted on air conditioner indoor unit, and indoor heat exchanger 1 is installed on room In air duct between interior fresh wind port 9 and indoor air outlet 10, outdoor heat exchanger 2, four-way valve 4 and compressor 5 are mounted on air conditioning chamber On outer machine, 2 side of outdoor heat exchanger is also equipped with outdoor fan 11, indoor heat exchanger 1, outdoor heat exchanger 2, four-way valve 4, compression The connection type of machine 5 and outdoor fan 11 technology known to those skilled in the art, details are not described herein.
In air conditioner of the invention, reheating is provided on the access between the first electric expansion valve 3 and indoor heat exchanger 1 and is removed Wet device 6.Reheat dehumidification device 6 includes conversion equipment 7 and dehumidification heat exchange 8, the first end of dehumidification heat exchange 8 and the first electronics Expansion valve 3 connects, and the second end of dehumidification heat exchange 8 is connect with the first end of conversion equipment 7, the second end of conversion equipment 7 and room The first end of interior heat exchanger 1 connects, and dehumidification heat exchange 8 is mounted in the air duct between indoor heat exchanger 1 and indoor air outlet 10, Conversion equipment 7 controls the refrigerant channels flow between the second end of dehumidification heat exchange 8 and the first end of indoor heat exchanger 1.
Conversion equipment 7 in the air condition of that present invention can have a variety of structures setting.
In the present embodiment, conversion equipment 7 includes solenoid valve 71 and second choke part 72, solenoid valve 71 and second choke Part 72 is connected in parallel between the first end of conversion equipment 7 and the second end of conversion equipment 7, the refrigerant channels stream of 71 side of solenoid valve Amount is greater than the refrigerant channels flow of 72 side of second choke part.Wherein, second choke part 72 include electric expansion valve or Capillary.Solenoid valve 71 is closed or is connected according to the working condition of air conditioner, and second choke part 72 works in throttling shape State.
In optional embodiment, referring to fig. 2, conversion equipment 7 includes the second electric expansion valve 73, the second electric expansion valve 73 Both ends connect respectively with the second end of the first end of conversion equipment 7 and conversion equipment 7.Second electric expansion valve 73 is according to air-conditioning Refrigerant channels flow between the second end of the working state control dehumidification heat exchange 8 of device and the first end of indoor heat exchanger 1.
In addition, air conditioner further includes indoor fan 12, indoor fan 12 is arranged in dehumidification heat exchange 8 and indoor air outlet 10 Between air duct in.In the present embodiment, outdoor in order to which room air to be discharged, air conditioner further includes air exhaust passage 13, and air draft is logical Road 13 is provided with exhaust blower 14.If not needing room air outdoor is discharged, exhaust blower 14 can be not provided with.In addition, indoor new Air port 9 can be the fresh wind port for obtaining outdoor air, is also possible to obtain indoor fresh wind port, can be set as needed.
Air conditioner working method embodiment:
Air conditioner working method of the invention is the application program applied in air conditioner, for realizing the control to air conditioner System.
Referring to Fig. 3, step S1 is first carried out when being worked in air conditioner working method of the invention, obtains air conditioner Operating state instruction.When obtaining the operating state instruction of air conditioner, can be sent by obtaining remote terminal or control panel Control instruction obtain, control instruction include control air conditioner operating mode, user's desired temperature value and humidity value etc..
After getting the operating state instruction of air conditioner, step S2 is executed, whether judges the operating state instruction got For dehumidifying instruction.Judge whether that getting dehumidifying instructs technological means known to those skilled in the art, it is no longer superfluous herein It states.
It if judgement does not get dehumidifying instruction, can skip, execute the judgement of subsequent work status command.Work as judgement The operating state instruction got be dehumidifying instruction when, execute step S3, control the first electric expansion valve 3 enter maximum opening, Conversion equipment 7 enters throttle, indoor heat exchanger 1 enters evaporator stage and outdoor heat exchanger 2 and dehumidification heat exchange 8 enter Condenser state.First electric expansion valve 3 enters maximum opening, conversion equipment 7 enters throttle, indoor heat exchanger 1 enters After evaporator stage and outdoor heat exchanger 2 and dehumidification heat exchange 8 enter condenser state, then dehumidification mode is entered.
When entering dehumidification mode, referring to fig. 4, the first electric expansion valve 3 is adjusted to maximum opening, electricity in conversion equipment 7 Magnet valve 71 is closed, and condensing agent enters the pressurization heating discharge of compressor 5 by four-way valve 4 after the heat absorption of indoor heat exchanger 1, into room External heat exchanger 2 cools down, and since the first electric expansion valve 3 is in maximum opening, acts on without reducing pressure by regulating flow, at this point, dehumidifying heat exchange Device 8 is condenser, and condensing agent, which flows through after dehumidification heat exchange 8 continues cooling, enters 72 expenditure and pressure of second choke part change Low Temperature Liquid Indoor heat exchanger 1 is returned to after body completes a circulation.Fresh air cools to dew-point temperature by indoor heat exchanger 1 and carries out at dehumidifying Reason, the air after cooling flows through 8 row heating treatment of dehumidification heat exchange, thus regulating outlet air temperature.
After entering dehumidification mode, step S4 is executed, obtains the return air temperature and rh value of indoor return air mouth 9, Temperature and humidity control is carried out according to return air temperature and rh value.For the ease of controlling temperature and humidity, In When being dehumidified, the return air temperature and rh value of indoor return air mouth 9 need to be obtained, return air temperature can pass through return air indoors Mouth 9 is arranged temperature sensors and obtains, and relative humidity sensor acquisition is arranged by return air inlet 9 indoors in rh value, this is Technological means known in those skilled in the art, details are not described herein.
In the present embodiment, referring to Fig. 5, when carrying out temperature and humidity control according to return air temperature and rh value, first Step S41 is executed, is obtained according to return air temperature and rh value and contains wet ratio.Obtain containing it is wet than when, pass through dehumidifying instruction The user's desired temperature for including in acquisition instruction rh value corresponding with the temperature, according to the corresponding phase of user's desired temperature Expected water capacity d1 is calculated to humidity value, calculates return air water capacity further according to the collected rh value of humidity sensor D2 is obtained containing wet than n=(d2-d1)/d1 according to expected water capacity d1 and return air water capacity d2, wherein according to rh value Water capacity technology known to those skilled in the art is calculated, details are not described herein.
It obtains containing step S42 after wet ratio, is executed, judgement is containing wet than whether being greater than or equal to the first preset value.Wherein, first Preset value can be set as needed.If be greater than or equal to the first preset value containing wet ratio, S43 is thened follow the steps, controls compressor 5 With the operation of the first preset compressor frequency raising frequency, outdoor fan 11 is controlled with the first default blower frequency down operation.Wherein, One preset compressor frequency and the first default blower frequency can be obtained by experiment.When carrying out humidity regulation, if containing wet than big In or equal to the first preset value, then illustrate that fresh air air humidity is larger, need to increase 5 working frequency of compressor, reduces interior and change The temperature of hot device 1 accelerates condensation, while in order to ensure room temperature, and the frequency that need to control outdoor fan 11 reduces, so that dehumidifying The temperature of heat exchanger 8 increases, to increase leaving air temp.
If judgement containing wet more invalid than being greater than or equal to the first preset value, thens follow the steps S44, it is whether big that judgement contains wet ratio In or equal to the second preset value and less than the first preset value.Wherein, the second preset value can be set as needed.If being greater than containing wet ratio Or equal to the second preset value and less than the first preset value, S45 is thened follow the steps, compressor 5 is controlled with current compression unit frequency fortune Row, control outdoor fan 11 are run with current blower frequency down.When containing wet than being greater than or equal to the second preset value and less than the When one preset value, then illustrate that the air humidity of fresh air meets requirement set by user, compressor 5 is with current compression unit frequency fortune Row, outdoor fan 11 are run with current blower frequency.
If judgement containing wet than thening follow the steps S46 more than or equal to the second preset value and invalid less than the first preset value, Whether judgement is containing wet ratio less than the second preset value.If containing wet than less than the second preset value, thening follow the steps control compressor 5 with the Two predeterminated frequency frequency reducings operation controls outdoor fan 11 with the second default blower frequency raising frequency operation.If containing wet ratio less than second Preset value then illustrates that fresh air air humidity is smaller, needs to reduce 5 working frequency of compressor, increases the temperature of indoor heat exchanger 1, Delay condensation, meanwhile, outdoor fan 11 is controlled with the second default blower frequency raising frequency operation, so that the temperature of dehumidification heat exchange 8 It reduces, the air humidity of outlet air is made to meet requirement set by user.
If judgement containing it is wet than it is invalid less than the second preset value when, need to reacquire containing wet ratio, progress next round is sentenced It is disconnected.
In addition, if the operating state instruction got is refrigeration instruction, the first electronics of control is swollen after executing step S1 Swollen valve 3 enters throttle, conversion equipment 7 enters maximum opening, indoor heat exchanger 1 and dehumidification heat exchange 8 and enters evaporator shape State and the entrance condenser state of outdoor heat exchanger 2.When entering dehumidification mode, referring to Fig. 6, control the first electric expansion valve 3 into Enter throttle, solenoid valve 71 is opened in conversion equipment 7, and condensing agent enters pressure by four-way valve 4 after the heat absorption of indoor heat exchanger 1 The pressurization heating discharge of contracting machine 5, outdoor heat exchanger 2 are condenser, and condensing agent enters the cooling of outdoor heat exchanger 2, due to the first electronics Expansion valve 3 is in throttle, at this point, dehumidification heat exchange 8 be evaporator, condensing agent flow through dehumidification heat exchange 8 heat up temperature it is laggard Enter solenoid valve 71, at this point, solenoid valve 71 does not have throttling action, indoor heat exchanger 1 is evaporator, and condensing agent flow back into indoor heat exchange Device 1 completes a circulation.When being freezed, the first electric expansion valve 3 of control enters throttle, and conversion equipment 7 enters most Big aperture, so that indoor heat exchanger 1 and dehumidification heat exchange 8 enter evaporator stage and outdoor heat exchanger 2 enters condenser state, To increase the area of evaporator stage, refrigeration effect is improved.
After executing step S1, if the operating state instruction got is heating instruction, the first electric expansion valve 3 is controlled Enter maximum opening, indoor heat exchanger 1 and dehumidification heat exchange 8 into throttle, conversion equipment 7 and enters condenser state and room External heat exchanger 2 enters evaporator stage.When entering heating state, referring to Fig. 7, controls the first electric expansion valve 3 and enter throttling State, solenoid valve 71 is opened in conversion equipment 7, at this point, indoor heat exchanger 1 and dehumidification heat exchange 8 are condenser, condensing agent warp Indoor heat exchanger 1 and dehumidification heat exchange 8 cool down, and since the first electric expansion valve 3 is in throttle, outdoor heat exchanger 2 is to steam Device is sent out, the pressurization heating discharge of compressor 5 is entered by four-way valve 4, outdoor heat exchanger 2 is condenser, and condensing agent enters outdoor and changes Hot device 2 enters compressor 5 by four-way valve 4 after absorbing heat and is pressurized heating discharge, and condensing agent flow back into indoor heat exchanger 1 and completes one Circulation.When being heated, by control the first electric expansion valve 3 enter throttle, conversion equipment 7 enter maximum opening, Indoor heat exchanger 1 and dehumidification heat exchange 8 enter condenser state and outdoor heat exchanger 2 enters evaporator stage, can increase condensation The area of device improves heating effect.
It should be noted that including the reality of solenoid valve 71 and second choke part 72 with conversion equipment 7 in above-described embodiment It applies example to be illustrated, those skilled in the art need to know, in the embodiment that conversion equipment 7 includes the second electric expansion valve 73, can pass through The aperture for controlling the second electric expansion valve 73 realizes the combination operation of solenoid valve 71 and second choke part 72.
Computer installation embodiment:
The computer installation of the present embodiment includes controller, and controller realizes above-mentioned air conditioner work when executing computer program Make the step in embodiment of the method.
For example, computer program can be divided into one or more modules, one or more module, which is stored in, is deposited It in reservoir, and is executed by controller, to complete the present invention.One or more modules can be the system that can complete specific function Column count machine program instruction section, the instruction segment is for describing implementation procedure of the computer program in computer installation.
Computer installation may include, but be not limited only to, controller, memory.It will be understood by those skilled in the art that calculating Machine device may include more or fewer components, perhaps combine certain components or different components, such as computer installation It can also include input-output equipment, network access equipment, bus etc..
For example, controller can be central processing unit (Central Processing Unit, CPU), it can also be His general purpose controller, digital signal controller (Digital Signal Processor, DSP), specific integrated circuit (Application Specific Integrated Circuit, ASIC), ready-made programmable gate array (FieldProgrammable Gate Array, FPGA) either other programmable logic device, discrete gate or transistor are patrolled Collect device, discrete hardware components etc..General purpose controller can be microcontroller or the controller be also possible to it is any conventional Controller etc..Controller is the control centre of computer installation, utilizes various interfaces and the entire computer installation of connection Various pieces.
Memory can be used for storing computer program and/or module, and controller is stored in memory by operation or execution Interior computer program and/or module, and the data being stored in memory are called, realize the various function of computer installation Energy.For example, memory can mainly include storing program area and storage data area, wherein storing program area can storage program area, Application program needed at least one function (such as sound receive capabilities, sound are converted into literal function etc.) etc.;Storing data Area, which can be stored, uses created data (such as audio data, text data etc.) etc. according to mobile phone.In addition, memory can be with It can also include nonvolatile memory, such as hard disk, memory, plug-in type hard disk, intelligence including high-speed random access memory Storage card (Smart Media Card, SMC), secure digital (Secure Digital, SD) card, flash card (Flash Card), at least one disk memory, flush memory device or other volatile solid-state parts.
Computer readable storage medium embodiment:
If the integrated module of the computer installation of above-described embodiment is realized in the form of SFU software functional unit and as only Vertical product when selling or using, can store in a computer readable storage medium.Based on this understanding, in realization The all or part of the process in air conditioner working method embodiment is stated, relevant hardware can also be instructed by computer program Complete, computer program can be stored in a computer readable storage medium, the computer program when being executed by a controller, The step of above-mentioned air conditioner working method embodiment can be achieved.Wherein, computer program includes computer program code, computer Program code can be source code form, object identification code form, executable file or certain intermediate forms etc..Storage medium can be with Include: can carry computer program code any entity or device, recording medium, USB flash disk, mobile hard disk, magnetic disk, CD, Computer storage, read-only memory (ROM, Read-Only Memory), random access memory (RAM, Random Access Memory), electric carrier signal, telecommunication signal and software distribution medium etc..It should be noted that computer-readable The content that medium includes can carry out increase and decrease appropriate according to the requirement made laws in jurisdiction with patent practice, such as at certain A little jurisdictions do not include electric carrier signal and telecommunication signal according to legislation and patent practice, computer-readable medium.
It can be seen from the above, air conditioner of the invention passes through on the access between the first electric expansion valve and indoor heat exchanger It is provided with reheat dehumidification device, can realize that dehumidification heat exchange is being made by control reheat dehumidification device and the first electric expansion valve The switching of heat exchanger function is carried out under cold state, heating state and dehumidified state, meanwhile, for that can lead in dehumidified state It crosses dehumidification heat exchange and carries out temperature adjusting, convenient for controlling to adjust temperature and humidity precision.
It should be noted that the above is only a preferred embodiment of the present invention, but the design concept invented is not limited thereto, All insubstantial modifications made using this design to the present invention, are also fallen within the scope of protection of the present invention.

Claims (13)

1. a kind of air conditioner, including indoor heat exchanger and outdoor heat exchanger, the first end of the indoor heat exchanger and the outdoor The first end of heat exchanger is connected by the first electric expansion valve, the second end of the indoor heat exchanger and the outdoor heat exchanger Second end is connected by four-way valve with compressor;It is characterized by:
Reheat dehumidification device is provided on access between first electric expansion valve and the indoor heat exchanger;
The reheat dehumidification device includes conversion equipment and dehumidification heat exchange, the first end of the dehumidification heat exchange and described first Electric expansion valve connection, the second end of the dehumidification heat exchange are connect with the first end of the conversion equipment, the conversion equipment Second end connect with the first end of the indoor heat exchanger, the dehumidification heat exchange is mounted on the indoor heat exchanger and indoor In air duct between air outlet, the conversion equipment control the dehumidification heat exchange second end and the indoor heat exchanger the Refrigerant channels flow between one end.
2. air conditioner according to claim 1, it is characterised in that:
The conversion equipment includes solenoid valve and second choke part, and the solenoid valve and second choke part are connected in parallel on described turn Between the first end of changing device and the second end of the conversion equipment, the refrigerant channels flow of the solenoid valve side is greater than institute State the refrigerant channels flow of second choke part side.
3. air conditioner according to claim 2, it is characterised in that:
The second choke part includes electric expansion valve or capillary.
4. air conditioner according to claim 1, it is characterised in that:
The conversion equipment include the second electric expansion valve, the both ends of second electric expansion valve respectively with the conversion equipment First end connected with the second end of the conversion equipment.
5. air conditioner according to any one of claims 1 to 4, it is characterised in that:
The air conditioner further includes indoor fan, and the indoor fan is arranged in the dehumidification heat exchange and the indoor air outlet Between air duct in.
6. a kind of air conditioner working method is applied to the described in any item air conditioners of the claims 1 to 5, it is characterised in that: The described method includes:
Obtain the operating state instruction of air conditioner;
When the operating state instruction got is dehumidifying instruction, control first electric expansion valve enters maximum and opens Degree, the conversion equipment enters throttle, the indoor heat exchanger enters evaporator stage and the outdoor heat exchanger and institute It states dehumidification heat exchange and enters condenser state;
The return air temperature and rh value for obtaining indoor return air mouth, according to the return air temperature and the rh value Carry out temperature and humidity control.
7. air conditioner working method according to claim 6, it is characterised in that:
It is described to include: according to the step of return air temperature and rh value progress temperature and humidity control
It is obtained according to the return air temperature and the rh value and contains wet ratio;
When being greater than or equal to the first preset value containing wet ratio, controls the compressor and transported with the first preset compressor frequency raising frequency Row controls outdoor fan with the first default blower frequency down operation.
8. air conditioner working method according to claim 7, it is characterised in that:
Described the step of temperature and humidity control is carried out according to the return air temperature and the rh value further include:
When it is described containing wet than being greater than or equal to the second preset value and when less than first preset value, control the compressor to work as Preceding compressor frequency operation, control outdoor fan are run with current blower frequency down.
9. air conditioner working method according to claim 8, it is characterised in that:
Described the step of temperature and humidity control is carried out according to the return air temperature and the rh value further include:
When containing it is wet than less than second preset value when, control the compressor and run with the second predeterminated frequency frequency reducing, control room Outer blower is with the second default blower frequency raising frequency operation.
10. according to the described in any item air conditioner working methods of claim 6 to 9, it is characterised in that: in the acquisition air conditioner Operating state instruction the step of after, the method also includes:
When the operating state instruction got is refrigeration instruction, controls first electric expansion valve and enter throttling shape State, the conversion equipment enter maximum opening, the indoor heat exchanger and the dehumidification heat exchange and enter evaporator stage and institute It states outdoor heat exchanger and enters condenser state.
11. according to the described in any item air conditioner working methods of claim 6 to 9, it is characterised in that: in the acquisition air conditioner Operating state instruction the step of after, the method also includes:
When the operating state instruction got is heating instruction, controls first electric expansion valve and enter throttling shape State, the conversion equipment enter maximum opening, the indoor heat exchanger and the dehumidification heat exchange and enter condenser state and institute It states outdoor heat exchanger and enters evaporator stage.
12. a kind of computer installation, including processor and memory, the memory is stored with computer program, the meter Realizing the air conditioner working method as described in any one of claim 6 to 11 when calculation machine program is executed by the processor Step.
13. a kind of computer readable storage medium, is stored thereon with computer program, it is characterised in that: the computer program The step of air conditioner working method as described in any one of claim 6 to 11 is realized when being executed by a controller.
CN201910788915.6A 2019-08-26 2019-08-26 Air conditioner, air conditioner working method, computer installation and computer readable storage medium Pending CN110486909A (en)

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CN104315743A (en) * 2014-11-13 2015-01-28 中国人民解放军理工大学 Temperature-adjusted room dehumidifying air conditioner
CN104764154A (en) * 2015-03-27 2015-07-08 广东美的制冷设备有限公司 Air conditioner, and control method and control system thereof
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Publication number Priority date Publication date Assignee Title
CN1391068A (en) * 2001-06-12 2003-01-15 万都空调株式会社 Air conditioner with function against overcooling
JP2003320837A (en) * 2002-04-26 2003-11-11 Denso Corp Vehicle air conditioner
CN1813162A (en) * 2003-06-30 2006-08-02 开利公司 Control scheme and method for dehumidification systems at low ambient conditions
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CN104764154A (en) * 2015-03-27 2015-07-08 广东美的制冷设备有限公司 Air conditioner, and control method and control system thereof
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Application publication date: 20191122