WO2021042437A1 - Système de climatisation et son procédé de commande - Google Patents

Système de climatisation et son procédé de commande Download PDF

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Publication number
WO2021042437A1
WO2021042437A1 PCT/CN2019/109055 CN2019109055W WO2021042437A1 WO 2021042437 A1 WO2021042437 A1 WO 2021042437A1 CN 2019109055 W CN2019109055 W CN 2019109055W WO 2021042437 A1 WO2021042437 A1 WO 2021042437A1
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WO
WIPO (PCT)
Prior art keywords
heat exchanger
dehumidification
conditioning system
circuit
outlet
Prior art date
Application number
PCT/CN2019/109055
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English (en)
Chinese (zh)
Inventor
李锶
Original Assignee
广东美的制冷设备有限公司
美的集团股份有限公司
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Application filed by 广东美的制冷设备有限公司, 美的集团股份有限公司 filed Critical 广东美的制冷设备有限公司
Publication of WO2021042437A1 publication Critical patent/WO2021042437A1/fr

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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
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/022—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle
    • F24F1/027—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing comprising a compressor cycle mounted in wall openings, e.g. in windows
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/032—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers
    • F24F1/0323—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing characterised by heat exchangers by the mounting or arrangement of the heat exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
    • F24F1/02—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing
    • F24F1/0358—Self-contained room units for air-conditioning, i.e. with all apparatus for treatment installed in a common casing with dehumidification means
    • 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
    • F24F11/70—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
    • F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/30—Arrangement or mounting of heat-exchangers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B40/00—Subcoolers, desuperheaters or superheaters
    • F25B40/02—Subcoolers
    • 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
    • F24F2110/20—Humidity

Definitions

  • This application relates to the technical field of air conditioners, and in particular to an air conditioning system and a control method thereof.
  • the traditional window machine fresh air system only has the function of opening and closing. When fresh air is needed, the fresh air door is manually opened, and the fresh air directly enters the internal air duct and mixes with the indoor return air.
  • Part of the PTAC (Packaged Termianl Air Conditioner) window air conditioner fresh air device includes an independent dehumidification system, and its dehumidification system mainly includes a compressor, a condenser, an evaporator, a motor, a fan, and a fresh air duct structure.
  • the fresh air system When the fresh air system is running, after the fresh air passes through the condenser and evaporator of the fresh air device to dehumidify, it enters the air supply duct of the front section and mixes with the air entering the air duct through the evaporator in the room. The mixed gas flows through the indoor wind wheel. Blow out under the action of.
  • the related technology has the problem that the fresh air is mixed with indoor air directly without cooling, which increases the temperature of the indoor air, which is unfavorable to the cooling of the air conditioner. At the same time, when the humidity of the outside air is high, condensation is prone to occur. Comfort.
  • This application aims to solve one of the technical problems in the related technology at least to a certain extent.
  • the first purpose of this application is to propose an air conditioning system to achieve a better fresh air dehumidification effect and improve the cooling energy efficiency of the air conditioner when the fresh air is turned on.
  • the second purpose of this application is to provide a control method for an air conditioning system.
  • the third purpose of this application is to provide a control device for an air conditioning system.
  • the fourth purpose of this application is to provide a computer-readable storage medium.
  • the first aspect of the present application proposes an air conditioning system
  • the air conditioning system includes a compressor, an indoor heat exchanger and an outdoor heat exchanger, the compressor, the outdoor heat exchanger and the indoor The heat exchangers are sequentially connected to form a first indoor heat exchange loop.
  • the air conditioning system further includes a dehumidification heat exchanger, the outlet of the dehumidification heat exchanger is connected to the compressor, and the inlet of the dehumidification heat exchanger is connected to the compressor.
  • the outdoor heat exchanger is connected so that the dehumidification heat exchanger, the compressor and the outdoor heat exchanger form a first dehumidification circuit.
  • the air conditioning system further includes: a subcooler, the subcooler includes a first subcooling pipeline and a second subcooling pipeline; wherein the inlet of the first supercooling pipeline is exchanged with the outdoor Heat exchanger, the outlet of the first subcooling pipeline is connected with the indoor heat exchanger, so that the first supercooling pipeline is connected in series to the first indoor heat exchange circuit;
  • the inlet of the cold pipeline is connected with the outlet of the dehumidification heat exchanger, the outlet of the second supercooling pipeline is connected with the compressor, and the outlet of the first supercooling pipeline is connected with the dehumidification heat exchanger Connected; wherein, the dehumidification heat exchanger, the second supercooling pipeline, the compressor, the outdoor heat exchanger and the first supercooling circuit form a second dehumidification circuit, and the first pass Heat exchange is performed between the cold pipeline and the second supercooling pipeline.
  • the inlet of the dehumidification heat exchanger is also provided with a first electronic expansion valve and a first solenoid valve.
  • a high-pressure liquid storage tank and a second solenoid valve are arranged between the supercooler and the dehumidification evaporator, the outlet of the first supercooling pipeline is connected to the high-pressure liquid storage tank, and the high-pressure liquid storage tank Connected with the second solenoid valve.
  • the third solenoid valve is arranged between the outlet of the dehumidification heat exchanger and the inlet of the second supercooling pipeline;
  • the first check valve It is arranged between the outlet of the second supercooling pipeline and the compressor to control the opening of the second dehumidification circuit through the third solenoid valve and the first one-way valve.
  • the fourth solenoid valve is arranged at the entrance of the indoor heat exchanger to control the opening and closing of the first indoor heat exchange circuit.
  • a supercooling circuit is provided in the system to exchange heat between the refrigerant in the dehumidification circuit and the refrigerant at the outlet of the outdoor heat exchanger to reduce the temperature of the outdoor heat exchanger outlet and increase the degree of supercooling. Improve the energy efficiency of air conditioners.
  • the second aspect of the present application proposes a control method of an air conditioning system
  • the air conditioning system includes a compressor, an indoor heat exchanger and an outdoor heat exchanger, the compressor, the outdoor heat exchanger and The indoor heat exchangers are sequentially connected to form a first indoor heat exchange circuit
  • the air conditioning system further includes: a dehumidification heat exchanger, the dehumidification heat exchanger, the compressor, and the outdoor heat exchanger Forming a first dehumidification circuit
  • the control method includes: detecting and identifying that the humidity at the air outlet of the dehumidification evaporator is less than a preset humidity, controlling the flow of refrigerant in the first dehumidifying circuit to decrease; detecting and identifying the dehumidification The humidity at the air outlet of the evaporator is greater than the preset humidity, and the flow rate of the refrigerant in the first dehumidification circuit is controlled to increase.
  • the control method further includes: detecting and identifying that the humidity at the air outlet of the dehumidification evaporator is less than a preset humidity, controlling the rotation speed of the dehumidification heat exchanger to decrease; detecting and identifying the humidity at the air outlet of the dehumidification evaporator If the humidity is greater than the preset humidity, the rotation speed of the dehumidification heat exchanger is controlled to increase.
  • the air conditioning system further includes a subcooler, and the outlet of the first subcooling pipeline of the subcooler is connected to the indoor heat exchanger, so that the first supercooling pipeline is connected in series to the first indoor In the heat exchange circuit, the first subcooling circuit of the dehumidification heat exchanger, the second supercooling pipeline, the compressor, the outdoor heat exchanger, and the supercooler forms a second dehumidification circuit;
  • the control method further includes: obtaining a first temperature at the air outlet of the indoor heat exchanger and a second temperature at the air outlet of the dehumidifying heat exchanger; according to the first temperature and the second temperature The difference and size relationship of, control the refrigerant flow in the second dehumidification circuit.
  • the controlling the flow rate of the refrigerant in the second dehumidification circuit according to the difference between the first temperature and the second temperature and the magnitude relationship includes: detecting and identifying that the first temperature is greater than the second temperature and the If the difference is greater than the preset difference, control the refrigerant flow in the second dehumidification circuit to increase; detect and identify that the first temperature is less than the second temperature and the difference is greater than the preset difference, Then the flow rate of the refrigerant in the second dehumidification circuit is controlled to decrease.
  • the temperature of the fresh air entering the indoor air duct (the first temperature T at the air outlet of the dehumidification evaporator) and the return air temperature of the indoor air duct passing through the indoor heat exchanger (the outlet of the indoor heat exchanger) can be controlled by controlling the temperature of the fresh air entering the indoor air duct (the first temperature T at the air outlet of the dehumidification evaporator).
  • the temperature difference of the first temperature T1) at the tuyere is within a certain range, which reduces the temperature difference between the two strands of air, thereby reducing the energy efficiency consumption of the two strands of air, thereby achieving the effect of energy saving.
  • the third aspect of the present application proposes a control device for an air conditioning system, which includes a control module for implementing the control method.
  • the fourth aspect of the present application proposes a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the control method of the air-conditioning system is realized.
  • Figure 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the application.
  • FIG. 2 is a flowchart of a control method of an air conditioning system according to an embodiment of the application
  • FIG. 3 is a flowchart of a control method of an air conditioning system according to an embodiment of the application
  • FIG. 4 is a flowchart of a control method of an air conditioning system according to another embodiment of the application.
  • Fig. 5 is a flowchart of a control method of an air conditioning system according to another embodiment of the application.
  • Fig. 1 is a schematic structural diagram of an air conditioning system according to an embodiment of the application.
  • the air conditioning system 100 of the present application includes: a compressor 1, an indoor heat exchanger 2, an outdoor heat exchanger 3, and a dehumidification heat exchanger 4.
  • the compressor 1, the outdoor heat exchanger 3 and the indoor heat exchanger 2 are sequentially connected to form a first indoor heat exchange circuit.
  • the outlet of the dehumidification heat exchanger 4 is connected to the compressor 1, and the inlet of the dehumidification heat exchanger 4 is connected to the outdoor heat exchanger 3, so that the dehumidification heat exchanger 4, the compressor 1 and the outdoor heat exchanger 3 form the first dehumidification circuit .
  • the inlet of the dehumidification heat exchanger 4 is also provided with a first electronic expansion valve 5 and a first solenoid valve 6.
  • the opening of the first electronic expansion valve 5 and the first solenoid valve 6 controls the opening of the first dehumidification circuit to exchange heat for dehumidification.
  • the air from the device 4 is dehumidified.
  • the fourth solenoid valve 7 is arranged at the entrance of the indoor heat exchanger 2 to control the opening and closing of the first indoor heat exchange circuit.
  • the air conditioning system of the present application has at least an independent refrigeration circuit (the first indoor heat exchange circuit) and a dehumidification circuit, and can control the opening and closing of the refrigeration circuit and the dehumidification circuit through the first solenoid valve and the fourth solenoid valve to achieve Independent refrigeration and fresh air dehumidification functions.
  • the air conditioning system 100 further includes a subcooler 8, and the subcooler 8 includes a first supercooling pipeline and a second supercooling pipeline.
  • the inlet of the first supercooling pipeline is connected to the outdoor heat exchanger 3, and the outlet of the first supercooling pipeline is connected to the indoor heat exchanger 2, so that the first supercooling pipeline is connected in series with the first indoor heat exchange circuit.
  • the inlet of the second subcooling pipeline is connected with the outlet of the dehumidifying heat exchanger 4
  • the outlet of the second supercooling pipeline is connected with the compressor
  • the outlet of the first supercooling pipeline is connected with the dehumidifying heat exchanger 4.
  • the dehumidification heat exchanger 4, the second subcooling pipeline, the compressor 1, the outdoor heat exchanger 3, and the first supercooling pipeline form a second dehumidification circuit, and pass through the first supercooling pipeline and the second supercooling pipeline Perform heat exchange.
  • the present application also sets up a subcooler so that the air conditioner can exchange heat in the subcooler through the first indoor heat exchange circuit and the second dehumidification circuit, thereby reducing the temperature of the condenser outlet and increasing the degree of subcooling. , Improve the effect of turning off the air-conditioning system.
  • a high-pressure liquid storage tank 9 and a second solenoid valve 10 are arranged between the supercooler 8 and the dehumidification evaporator 4.
  • the outlet of the first supercooling pipeline is connected to the high-pressure liquid storage tank 9, and the high-pressure liquid storage tank 9 is connected to the first
  • the two solenoid valves 10 are connected.
  • the high-pressure liquid storage tank and the solenoid valve are connected in parallel in the flow path, and the solenoid valve is controlled to supplement the system refrigerant.
  • the air-conditioning system 100 further includes a third solenoid valve 11 and a first check valve 12, wherein the third solenoid valve 11 is arranged between the outlet of the dehumidification heat exchanger and the inlet of the second subcooling pipeline, and the first check valve 12 is arranged between the outlet of the second supercooling pipeline and the compressor 1 to control the opening of the second dehumidification circuit through the third solenoid valve 11 and the first one-way valve 12.
  • a second electronic expansion valve 13 is also provided between the fourth solenoid valve 7 and the indoor heat exchanger 2, and a second check valve 15 and a gas-liquid separator 16 are also provided between the dehumidification evaporator 4 and the compressor 1.
  • a fifth solenoid valve 14 is also provided between the first subcooling pipeline of the device 8 and the high-pressure liquid storage tank 9.
  • the fifth solenoid valve 14 the first solenoid valve 6, the fourth solenoid valve 7, and the third solenoid valve 11 are opened, and the first one-way valve 12 and the second one-way valve are opened.
  • the valve 15 is in circulation and the compressor is running.
  • the refrigerant flows out of the compressor 1 and passes through the outdoor heat exchanger 3.
  • the first part passes through the fifth solenoid valve 14 and enters the high-pressure liquid storage tank 9, and the second part passes through the fourth solenoid valve 7 and
  • the second electronic expansion valve 13 enters the indoor heat exchanger 2, and finally returns to the compressor 1 through the enterprise separator 16 to provide cooling capacity for the room.
  • the third part enters through the first solenoid valve 6 and the first electronic expansion valve 7 Go to the dehumidification heat exchanger 4 to dehumidify the fresh air.
  • the refrigerant at the outlet of the dehumidifier evaporator 4 flows through the second supercooling pipeline of the cooler 8 through the third solenoid valve 11, in the supercooler 8 and the first supercooling pipeline (outdoor heat exchanger 3 outlet)
  • the refrigerant exchanges heat to increase the degree of subcooling at the outlet of the outdoor heat exchanger 3, and finally returns to the compressor 1 through the first check valve 12, the second check valve 15 and the gas-liquid separator 16.
  • a supercooling circuit is provided in the system to exchange heat between the refrigerant in the dehumidification circuit and the refrigerant at the outlet of the outdoor heat exchanger, so as to reduce the temperature at the outlet of the outdoor heat exchanger and increase The degree of supercooling improves the energy efficiency of the air conditioner.
  • This application also proposes a control method of the air conditioning system.
  • the air-conditioning system includes a compressor, an indoor heat exchanger, and an outdoor heat exchanger.
  • the compressor, the outdoor heat exchanger and the indoor heat exchanger are connected in sequence to form a first indoor heat exchange circuit, characterized in that the air-conditioning system also includes: dehumidification and heat exchange The dehumidification heat exchanger, the compressor and the outdoor heat exchanger form the first dehumidification circuit.
  • Fig. 2 is a flowchart of a control method of an air conditioning system according to an embodiment of the application. As shown in Figure 2, the control method of the air conditioning system includes the following steps:
  • S201 Detect and identify that the humidity at the air outlet of the dehumidification evaporator is less than a preset humidity, and control the flow of refrigerant in the first dehumidification circuit to decrease.
  • S202 Detect and identify that the humidity at the air outlet of the dehumidification evaporator is greater than a preset humidity, and control the flow of refrigerant in the first dehumidification circuit to increase.
  • S301 Detect and identify that the humidity at the air outlet of the dehumidification evaporator is less than the preset humidity, and control the rotation speed of the dehumidification heat exchanger to decrease.
  • S302 Detect and identify that the humidity at the air outlet of the dehumidification evaporator is greater than the preset humidity, and control the rotation speed of the dehumidification heat exchanger to increase.
  • a humidity detection device can be set at the air outlet of the dehumidification evaporator to detect the humidity at the air outlet of the dehumidification evaporator and compare it with the preset humidity set by the user.
  • the opening degree of the first electronic expansion valve is controlled to decrease to reduce the refrigerant flow in the first dehumidification circuit, and the rotation speed of the dehumidification evaporator is controlled to decrease to increase the dehumidification capacity;
  • the opening degree of the first electronic expansion valve is controlled to increase to increase the refrigerant flow in the first dehumidification circuit, and the rotation speed of the dehumidification evaporator is controlled to increase to reduce the humidity.
  • the air conditioning system further includes a subcooler, and the outlet of the first subcooling pipeline of the subcooler is connected to the indoor heat exchanger, so that the first subcooling pipeline is connected in series to the first indoor heat exchange circuit, and the dehumidification exchange
  • the first subcooling circuit of the heat exchanger, the second subcooling pipeline, the compressor, the outdoor heat exchanger, and the subcooler forms a second dehumidification circuit.
  • the control method of the air conditioning system also includes:
  • S402 Control the refrigerant flow rate in the second dehumidification circuit according to the difference between the first temperature and the second temperature and the magnitude relationship.
  • step S402 further includes:
  • S501 Detect and identify that the first temperature is greater than the second temperature and the difference is greater than the preset difference, then control the refrigerant flow in the second dehumidification circuit to increase.
  • a temperature detection unit can be provided at the air outlet of the indoor heat exchanger to detect the first temperature T1 at the air outlet of the indoor heat exchanger
  • a temperature detection device can be provided at the air outlet of the dehumidification evaporator, It is used to detect the first temperature T at the air outlet of the dehumidification evaporator, and calculate the magnitude relationship between the difference T1-T between the first temperature T1 and the second temperature T and the preset difference M.
  • the difference value M is set, it means that the temperature difference between the two places is large at this time, and the heat exchange of the two air streams consumes a large amount of energy, which is not good for energy saving. Therefore, the opening degree of the first electronic expansion valve is controlled to decrease to reduce The refrigerant flow rate in the second dehumidification circuit.
  • the difference T1-T between the first temperature T1 and the second temperature T is less than or equal to the preset difference M, no matter whether the first temperature T1 is greater than the second temperature T or the first temperature T1 is less than the second temperature T1.
  • the temperature T indicates that the temperature difference between the two places is within a certain range at this time. By default, the heat exchange of the two air streams consumes less energy. At this time, the fresh air function and the dehumidification function reach a relatively energy-saving degree.
  • the temperature of the fresh air entering the indoor air duct (the first temperature T at the air outlet of the dehumidification evaporator) and the return air temperature of the indoor air duct passing through the indoor heat exchanger (indoor
  • the temperature difference of the first temperature T1) at the air outlet of the heat exchanger is within a certain range, which reduces the temperature difference between the two air streams, thereby reducing the energy efficiency consumption of the two air streams, thereby achieving the effect of energy saving.
  • the present application also proposes a control device of an air-conditioning system, including a control module, which is used in the aforementioned control method.
  • the present application also proposes a computer-readable storage medium on which a computer program is stored, and when the program is executed by a processor, the aforementioned air conditioning system control method is realized.
  • first and second are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features defined with “first” and “second” may explicitly or implicitly include at least one of the features. In the description of the present application, "a plurality of” means at least two, such as two, three, etc., unless specifically defined otherwise.
  • a "computer-readable medium” can be any device that can contain, store, communicate, propagate, or transmit a program for use by an instruction execution system, device, or device or in combination with these instruction execution systems, devices, or devices.
  • computer readable media include the following: electrical connections (electronic devices) with one or more wiring, portable computer disk cases (magnetic devices), random access memory (RAM), Read only memory (ROM), erasable and editable read only memory (EPROM or flash memory), fiber optic devices, and portable compact disk read only memory (CDROM).
  • the computer-readable medium may even be paper or other suitable medium on which the program can be printed, because it can be used, for example, by optically scanning the paper or other medium, followed by editing, interpretation, or other suitable media if necessary. The program is processed in a way to obtain the program electronically and then stored in the computer memory.
  • each part of this application can be implemented by hardware, software, firmware, or a combination thereof.
  • multiple steps or methods can be implemented by software or firmware stored in a memory and executed by a suitable instruction execution system.
  • Discrete logic gate circuits with logic functions for data signals Logic circuit, application specific integrated circuit with suitable combinational logic gate circuit, programmable gate array (PGA), field programmable gate array (FPGA), etc.
  • a person of ordinary skill in the art can understand that all or part of the steps carried in the method of the foregoing embodiments can be implemented by a program instructing relevant hardware to complete.
  • the program can be stored in a computer-readable storage medium, and the program can be stored in a computer-readable storage medium. When executed, it includes one of the steps of the method embodiment or a combination thereof.
  • each functional unit in each embodiment of the present application may be integrated into one processing module, or each unit may exist alone physically, or two or more units may be integrated into one module.
  • the above-mentioned integrated modules can be implemented in the form of hardware or software function modules. If the integrated module is implemented in the form of a software function module and sold or used as an independent product, it can also be stored in a computer readable storage medium.
  • the aforementioned storage medium may be a read-only memory, a magnetic disk or an optical disk, etc.

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  • Combustion & Propulsion (AREA)
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  • Thermal Sciences (AREA)
  • Fuzzy Systems (AREA)
  • Mathematical Physics (AREA)
  • Air Conditioning Control Device (AREA)

Abstract

La présente invention concerne un système de climatisation (100) et son procédé de commande. Le système de climatisation (100) comprend un compresseur (1), un échangeur de chaleur intérieur (2), et un échangeur de chaleur extérieur (3), le compresseur (1), l'échangeur de chaleur extérieur (3), et l'échangeur de chaleur intérieur (2) étant raccordés les uns à la suite des autres pour former une première boucle d'échange de chaleur d'intérieur, et le système comprend également : un échangeur de chaleur de déshumidification (4), la sortie de l'échangeur de chaleur de déshumidification (4) étant raccordée au compresseur (1), et l'entrée de l'échangeur de chaleur de déshumidification (4) étant raccordée à l'échangeur de chaleur extérieur (3), de sorte que l'échangeur de chaleur de déshumidification (4), le compresseur (1) et l'échangeur de chaleur extérieur (3) forment une première boucle de déshumidification.
PCT/CN2019/109055 2019-09-04 2019-09-29 Système de climatisation et son procédé de commande WO2021042437A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201910831078.0 2019-09-04
CN201910831078.0A CN112443899B (zh) 2019-09-04 2019-09-04 空调系统及其控制方法

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WO2021042437A1 true WO2021042437A1 (fr) 2021-03-11

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Cited By (2)

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