WO2024148686A1 - 空调器的补气控制方法、空调器、控制器和存储介质 - Google Patents

空调器的补气控制方法、空调器、控制器和存储介质 Download PDF

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Publication number
WO2024148686A1
WO2024148686A1 PCT/CN2023/084466 CN2023084466W WO2024148686A1 WO 2024148686 A1 WO2024148686 A1 WO 2024148686A1 CN 2023084466 W CN2023084466 W CN 2023084466W WO 2024148686 A1 WO2024148686 A1 WO 2024148686A1
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WO
WIPO (PCT)
Prior art keywords
refrigerant flow
compressor
solenoid valve
heat exchanger
temperature
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.)
Ceased
Application number
PCT/CN2023/084466
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English (en)
French (fr)
Other versions
WO2024148686A9 (zh
Inventor
苑洋洋
邓海钊
喻辉
李锶
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GD Midea Air Conditioning Equipment Co Ltd
Original Assignee
GD Midea Air Conditioning Equipment Co Ltd
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.)
Filing date
Publication date
Priority claimed from CN202310041940.4A external-priority patent/CN118328604A/zh
Priority claimed from CN202320082210.4U external-priority patent/CN219160502U/zh
Application filed by GD Midea Air Conditioning Equipment Co Ltd filed Critical GD Midea Air Conditioning Equipment Co Ltd
Publication of WO2024148686A1 publication Critical patent/WO2024148686A1/zh
Publication of WO2024148686A9 publication Critical patent/WO2024148686A9/zh
Priority to US19/023,012 priority Critical patent/US20250155152A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/76—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity by means responsive to temperature, e.g. bimetal springs
    • 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
    • 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
    • F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
    • F25B41/24—Arrangement of shut-off valves for disconnecting a part of the refrigerant cycle, e.g. an outdoor part
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00—Fluid-circulation arrangements
    • F25B41/40—Fluid line arrangements
    • 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
    • F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/02—Defrosting cycles
    • 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
    • F24F2110/12—Temperature of the outside air
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F2140/00—Control inputs relating to system states
    • F24F2140/20—Heat-exchange fluid temperature

Definitions

  • the present application relates to the technical field of air conditioners, and in particular to an air supply control method for an air conditioner, an air conditioner, a controller and a storage medium.
  • the control logic of the single-way solenoid valve in the enthalpy spray system is currently mainly adjusted according to the ambient temperature. Specifically, the single-way solenoid valve will be opened only when the ambient temperature is lower than a certain temperature, so that the enthalpy spray air supply branch of the enthalpy spray system is connected, thereby playing a role in air supply.
  • the current control method has the following disadvantages: the refrigerant entering the compressor air supply port from the injection enthalpy air supply branch may have a liquid problem, which may cause damage to the compressor and poor reliability.
  • the present application aims to at least partially solve one of the technical problems existing in the prior art.
  • the present application proposes an air supply control method for an air conditioner, an air conditioner, a controller and a storage medium, which can reduce the risk of liquid carrying of the refrigerant entering the compressor air supply port from the injection enthalpy air supply branch, thereby improving the operating reliability of the compressor.
  • an embodiment of the present application provides an air supply control method for an air conditioner, wherein the air conditioner includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, an enthalpy increase system and a gas bypass, the enthalpy increase system is provided with a one-way solenoid valve, a first refrigerant flow path is provided between the outdoor heat exchanger and the indoor heat exchanger, a second refrigerant flow path is provided between the first refrigerant flow path and the enthalpy increase port of the compressor, the one-way solenoid valve is provided on the second refrigerant flow path, and the gas bypass is provided on the first refrigerant flow path and is located between the enthalpy increase system and the indoor heat exchanger; the air supply control method includes: obtaining the outdoor ambient temperature and the operating status of the compressor; and controlling the switching state of the one-way solenoid valve according to the outdoor ambient temperature and the operating status.
  • controlling the switch state of the one-way solenoid valve according to the outdoor ambient temperature and the operating state includes: controlling the switch state of the one-way solenoid valve according to the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust gas The air temperature controls the switching state of the one-way solenoid valve.
  • the switching state of the one-way solenoid valve is controlled according to the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust temperature, including: when the current exhaust temperature is greater than the first preset exhaust temperature, determining the current exhaust superheat of the compressor according to the current exhaust temperature and the evaporation temperature; when the outdoor ambient temperature is lower than the preset outdoor temperature, the current operating frequency is greater than the preset frequency, and the current exhaust superheat is greater than the first preset exhaust superheat, opening the one-way solenoid valve.
  • controlling the switching state of the one-way solenoid valve according to the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust temperature also includes: opening the one-way solenoid valve when the outdoor ambient temperature is lower than the preset outdoor temperature, the current operating frequency is higher than the preset frequency, and the current exhaust temperature is higher than the second preset exhaust temperature, wherein the second preset exhaust temperature is higher than the first preset exhaust temperature.
  • the outdoor ambient temperature being lower than a preset outdoor temperature means that the outdoor ambient temperature is continuously lower than the preset outdoor temperature for a preset period of time.
  • controlling the switch state of the one-way solenoid valve according to the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust temperature further includes at least one of the following:
  • the current exhaust superheat of the compressor is determined according to the current exhaust temperature and the evaporation temperature, and when the current exhaust superheat is less than a second preset exhaust superheat, the one-way solenoid valve is closed, wherein the second preset exhaust superheat is less than the first preset exhaust superheat.
  • an air conditioner comprising:
  • An enthalpy increase system is provided with a one-way solenoid valve, a second refrigerant flow path is provided between the first refrigerant flow path and the enthalpy increase port of the compressor, and the one-way solenoid valve is provided on the second refrigerant flow path;
  • a gas bypass is provided in the first refrigerant flow path and is located between the enthalpy increase system and the indoor heat exchanger.
  • the gas bypass is also provided in the water receiving pan.
  • the enthalpy increase system is further provided with a flash evaporator
  • the flash evaporator is provided with a first refrigerant flow hole, a second refrigerant flow hole and a third refrigerant flow hole
  • the flash evaporator sequentially passes through the first refrigerant flow hole
  • the one-way solenoid valve is connected to the enthalpy increase port of the compressor, the flash evaporator is connected to the outdoor heat exchanger through the second refrigerant flow hole, and the flash evaporator is connected to the gas bypass through the third refrigerant flow hole.
  • the enthalpy increase system is further provided with a throttling device, which is arranged in the first refrigerant flow path and located between the outdoor heat exchanger and the gas bypass.
  • the throttling device includes at least one of the following: a first throttling device, arranged in the first refrigerant flow path and located between the outdoor heat exchanger and the second refrigerant circulation hole; a second throttling device, arranged in the first refrigerant flow path and located between the third refrigerant circulation hole and the gas bypass.
  • the first throttling device and the second throttling device are electronic expansion valves or capillaries.
  • the air conditioner further includes a four-way valve, which is respectively connected to the outdoor heat exchanger, the indoor heat exchanger and the return air hole and the exhaust air hole of the compressor.
  • an embodiment of the present application provides a controller comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein the processor executes the air supply control method for the air conditioner as described in the first aspect above when running the computer program.
  • an embodiment of the present application provides a computer-readable storage medium storing computer-executable instructions, wherein the computer-executable instructions are used to execute the air supply control method for the air conditioner as described in the first aspect above.
  • the air conditioner of the embodiment of the present application includes a compressor, an outdoor heat exchanger, an indoor heat exchanger, an enthalpy increase system and a gas bypass, wherein the enthalpy increase system is provided with a single-way solenoid valve, a first refrigerant flow path is provided between the outdoor heat exchanger and the indoor heat exchanger, a second refrigerant flow path is provided between the first refrigerant flow path and the enthalpy increase port of the compressor, the single-way solenoid valve is provided on the second refrigerant flow path, and the gas bypass is provided on the first refrigerant flow path and is located between the enthalpy increase system and the indoor heat exchanger.
  • the enthalpy increase system is provided with a single-way solenoid valve
  • a first refrigerant flow path is provided between the outdoor heat exchanger and the indoor heat exchanger
  • a second refrigerant flow path is provided between the first refrigerant flow path and the enthalpy increase port of
  • the control logic of the single-way solenoid valve includes: first, the embodiment of the present application will obtain the outdoor ambient temperature and the operating status of the compressor; then, the embodiment of the present application will control the switch state of the single-way solenoid valve according to the outdoor ambient temperature and the operating status.
  • the single-way solenoid valve switch can be controlled based on the outdoor ambient temperature and the operating status of the compressor, which is different from controlling the single-way solenoid valve switch based solely on the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover.
  • the solution of the embodiment of the present application is simple and highly feasible.
  • FIG1 is a schematic diagram of a system architecture platform for executing an air supply control method for an air conditioner provided by an embodiment of the present application;
  • FIG2 is a schematic diagram of the structure of an air conditioner provided by an embodiment of the present application.
  • FIG3 is a flow chart of an air supply control method for an air conditioner provided by an embodiment of the present application.
  • FIG4 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG5 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG6 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG. 7 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG8 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG9 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • FIG. 10 is a flow chart of an air supply control method for an air conditioner provided in another embodiment of the present application.
  • “several” means one or more, “more” means more than two, “greater than”, “less than”, “exceed”, etc. are understood to exclude the number itself, and “above”, “below”, “within”, etc. are understood to include the number itself. If there is a description of "first” or “second”, it is only used for the purpose of distinguishing technical features, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features or implicitly indicating the order of the indicated technical features.
  • an enthalpy spray system is often required.
  • the control logic of the single-way solenoid valve in the enthalpy spray system is currently mainly adjusted according to the ambient temperature. Specifically, The single-way solenoid valve will be opened only when the ambient temperature is lower than a certain temperature, so that the spray enthalpy air supply branch of the spray enthalpy system is connected, thereby playing the role of air supply.
  • the current control method has the following disadvantages: the refrigerant entering the compressor air supply port from the injection enthalpy air supply branch may have a liquid problem, which may cause damage to the compressor and poor reliability.
  • the embodiment of the present application proposes an air supply control method, air conditioner, controller and storage medium for an air conditioner, which can reduce the risk of liquid in the refrigerant entering the compressor air supply port from the injection enthalpy air supply branch, thereby improving the operating reliability of the compressor.
  • FIG. 1 is a schematic diagram of a system architecture platform for executing an air supply control method for an air conditioner provided in one embodiment of the present application.
  • the system architecture platform 100 of the embodiment of the present application includes one or more processors 110 and a memory 120.
  • FIG. 1 takes one processor 110 and one memory 120 as an example.
  • the processor 110 and the memory 120 may be connected via a bus or other means, and FIG1 takes the connection via a bus as an example.
  • the memory 120 can be used to store non-transitory software programs and non-transitory computer executable programs.
  • the memory 120 may include a high-speed random access memory, and may also include a non-transitory memory, such as at least one disk storage device, a flash memory device, or other non-transitory solid-state storage device.
  • the memory 120 may optionally include a memory 120 remotely disposed relative to the processor 110, and these remote memories may be connected to the system architecture platform 100 via a network. Examples of the above-mentioned network include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
  • FIG. 1 does not constitute a limitation on the system architecture platform 100 , and may include more or fewer components than shown in the figure, or a combination of certain components, or a different arrangement of components.
  • the processor 110 may be used to call the air supply control program of the air conditioner stored in the memory 120 , thereby implementing the air supply control method of the air conditioner.
  • FIG. 2 is a schematic diagram of the structure of an air conditioner provided in one embodiment of the present application.
  • the air conditioner of the embodiment of the present application includes but is not limited to a compressor 200, an outdoor heat exchanger 300, an indoor heat exchanger 400, a water receiving tray, an enthalpy increase system and a gas bypass 600, wherein the outdoor heat exchanger 300 is connected to the indoor heat exchanger 400 through a first refrigerant flow path, and the first refrigerant flow path is provided with a flow path branch, i.e., a second refrigerant flow path, and the first refrigerant flow path can be connected to the enthalpy increase port of the compressor 200 through the second refrigerant flow path.
  • a flow path branch i.e., a second refrigerant flow path
  • the enthalpy increase system is provided with a single-pass electromagnetic Valve 510, and the one-way solenoid valve 510 is arranged on the second refrigerant flow path; in addition, the water receiving pan is located below the outdoor heat exchanger 300, the gas bypass 600 is arranged in the first refrigerant flow path and is located between the enthalpy increase system and the indoor heat exchanger 400, and the gas bypass 600 is also arranged on the water receiving pan.
  • the above compressor 200 is an air jet enthalpy increasing compressor 200, which adopts two-stage throttling intermediate air jet technology and uses a flash evaporator 520 for gas-liquid separation to achieve the enthalpy increasing effect.
  • the exhaust volume of the compressor 200 is increased, thereby achieving the purpose of improving the heating capacity in a low temperature environment.
  • the above-mentioned enthalpy increase system can enhance the heat extraction process of the heating mode, so that more outdoor heat can be delivered to the indoor.
  • the enthalpy increase system is based on the jet enthalpy increase compressor 200, optimizes the medium-pressure refrigerant injection technology, inhales a portion of the intermediate pressure gas through the intermediate pressure suction hole, mixes with the partially compressed refrigerant and then compresses it, and realizes two-stage compression with a single compressor 200, increases the refrigerant flow in the condenser, and increases the enthalpy difference of the main circulation loop, thereby improving the efficiency of the compressor 200.
  • the compressor 200 of the jet enthalpy increase technology has an additional suction port, which cools the refrigerant in the main circulation by generating steam.
  • the steam enters the compressor 200 from the second suction port, and its compression process is divided into two stages by the air replenishment process, becoming a quasi-two-stage compression process. Jetting reduces the exhaust temperature and the exhaust superheat at the same time, reduces the length of the gas phase heat exchange zone of the condenser, increases the two-phase heat exchange area, and improves the heat exchange efficiency of the condenser.
  • the greater the difference between the evaporation temperature and the condensation temperature the better the effect will be, so the effect is more obvious in a low temperature environment.
  • the embodiment of the present application is provided with a gas bypass 600, which is located at the position of the water receiving pan. Specifically, during the heating period, the outdoor heat exchanger 300 will produce condensed water and drip into the water receiving pan. If the outdoor ambient temperature is relatively low, the condensed water in the water receiving pan may frost or freeze, thereby blocking the water receiving pan. Therefore, the embodiment of the present application uses the gas bypass 600 to perform defrosting or defrosting. Specifically, in the heating mode, the refrigerant comes out of the exhaust hole of the compressor 200 and enters the indoor heat exchanger 400, and releases heat to the indoor environment, and then comes out of the indoor heat exchanger 400 and enters the gas bypass 600.
  • the gas bypass 600 is also in a relatively high heat state at this time, so that the gas bypass 600 can perform defrosting or defrosting.
  • the gas bypass 600 of the embodiment of the present application includes but is not limited to a plurality of U-shaped pipes, and the plurality of U-shaped pipes are spliced in sequence, so as to form a gas bypass 600 with a large area and better defrosting and deicing effect.
  • the air conditioner of the embodiment of the present application also includes a drainage device, wherein one end of the drainage device is located in the water receiving pan and is used to extract condensed water in the water receiving pan, and the other end is used to spray the condensed water to the indoor heat exchanger 400.
  • the embodiment of the present application can utilize hot gas bypass, i.e., gas bypass 600, to heat the water receiving pan of the outdoor unit to ensure that the water temperature is higher than the freezing or frost temperature, and then spray the water of the outdoor unit to the indoor unit through the drainage device, thereby achieving To the humidification effect.
  • hot gas bypass i.e., gas bypass 600
  • the one-way solenoid valve 510 may be a separate combination structure of a one-way valve and a solenoid valve, or an integrated combination structure of a one-way valve and a solenoid valve.
  • the air conditioner in the embodiment of the present application may be a window air conditioner or a split air conditioner, and the embodiment of the present application does not specifically limit the structural form of the air conditioner.
  • the enthalpy increase system in the air conditioner of the embodiment of the present application is also provided with a flash evaporator 520, and the flash evaporator 520 is provided with a first refrigerant flow hole, a second refrigerant flow hole and a third refrigerant flow hole.
  • the flash evaporator 520 is connected to the enthalpy increase port of the compressor 200 through the first refrigerant flow hole and the one-way solenoid valve 510 in sequence, the flash evaporator 520 is connected to the outdoor heat exchanger 300 through the second refrigerant flow hole, and the flash evaporator 520 is connected to the gas bypass 600 through the third refrigerant flow hole.
  • flash evaporator 520 can realize flash evaporation processing.
  • flash evaporation refers to the phenomenon that after high-pressure saturated liquid enters a relatively low-pressure container, due to the sudden drop in pressure, these saturated liquids become saturated steam and saturated liquid under a portion of the container pressure.
  • the enthalpy increase system in the air conditioner of the application embodiment is further provided with a throttling device, which is arranged in the first refrigerant flow path and located between the outdoor heat exchanger 300 and the gas bypass 600.
  • the above-mentioned throttling device may include a first throttling device 530 and/or a second throttling device 540, wherein the first throttling device 530 is arranged in the first refrigerant flow path and is located between the outdoor heat exchanger 300 and the second refrigerant circulation hole; the second throttling device 540 is arranged in the first refrigerant flow path and is located between the third refrigerant circulation hole and the gas bypass 600.
  • first throttling device 530 and the second throttling device 540 may be electronic expansion valves or capillaries.
  • the capillary tube is the simplest throttling device of the air conditioner, which is a copper tube of a specified length, and the inner diameter is generally 0.5 mm to 2 mm. Its advantages are easy manufacturing and low price; its disadvantage is that it has no function of regulating flow.
  • the structure of the above-mentioned electronic expansion valve can be composed of three parts: detection, control, and execution. Its advantages are large flow adjustment range, high control accuracy, suitability for intelligent control, and adaptability to rapid changes in high-efficiency refrigerant flow.
  • the electronic expansion valve can be considered as an intelligent capillary tube with a variable inner diameter.
  • the throttling device can make the medium-temperature and high-pressure liquid refrigerant become low-temperature and low-pressure wet steam through its throttling, and then the refrigerant absorbs heat in the evaporator to achieve the refrigeration effect.
  • the expansion valve controls the valve flow through the change of superheat at the end of the evaporator to prevent insufficient utilization of the evaporator area and knocking.
  • the air conditioner of the present application embodiment further comprises a four-way valve 700, the four-way valve 700 is connected to the outdoor The heat exchanger 300, the indoor heat exchanger 400 and the air return hole and the air discharge hole of the compressor 200.
  • the air conditioner of the embodiment of the present application further includes a muffler 800 , and the muffler 800 is disposed between the four-way valve 700 and the exhaust hole of the compressor 200 .
  • the refrigeration operation process of the embodiment of the present application is specifically as follows: the refrigerant comes out of the exhaust hole of the compressor 200 and passes through the four-way valve 700, and then enters the outdoor heat exchanger 300.
  • the outdoor heat exchanger 300 passes through the first throttling device 530 and enters the flash evaporator 520 in a fully open state.
  • the one-way solenoid valve 510 is in a closed state so that the gas cannot enter the enthalpy increase port of the compressor 200, that is, the air supply port. It comes out of the flash evaporator 520 and passes through the second throttling device 540 for throttling, and then passes through the gas bypass 600 to enter the indoor heat exchanger 400.
  • the refrigerant evaporates in the indoor heat exchanger 400 and becomes gas, and returns to the return air port of the compressor 200 through the four-way valve 700.
  • the heating operation process of the embodiment of the present application is specifically as follows: the refrigerant comes out of the exhaust hole of the compressor 200 and passes through the four-way valve 700 to enter the indoor heat exchanger 400, comes out of the indoor heat exchanger 400 and enters the gas bypass 600, comes out of the gas bypass 600 and is throttled by the second throttling device 540 to enter the flash evaporator 520, the gas passes through the one-way solenoid valve 510 to enter the enthalpy increase port, i.e., the air supply port, of the compressor 200, and at the same time, the liquid enters the outdoor heat exchanger 300 after throttling through the first throttling device 530, and comes out of the outdoor heat exchanger 300 and passes through the four-way valve 700 to return to the return air port of the compressor 200.
  • the structure of the above-mentioned controller may include a processor 110 and a memory 120 as shown in Figure 1.
  • the controller can be connected to the compressor 200, the one-way solenoid valve 510, the first throttling device 530 and the second throttling device 540, so that the controller can adjust the operating frequency of the compressor 200, control the switching state of the one-way solenoid valve 510, and control the opening degree of the first throttling device 530 and the second throttling device 540.
  • Figure 3 is a flow chart of an air supply control method for an air conditioner provided by an embodiment of the present application.
  • the air supply control method can be applied to the above-mentioned air conditioner, and can include but is not limited to step S100 and step S200.
  • Step S100 obtaining the outdoor ambient temperature and the operating status of the compressor
  • Step S200 Control the switch state of the one-way solenoid valve according to the outdoor ambient temperature and the operating state.
  • the embodiment of the present application can simultaneously combine the outdoor ambient temperature and the operating status of the compressor as a basis to control the single-way solenoid valve switch, which is different from the previous single-way solenoid valve switch controlled by the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover. In addition, the solution of the embodiment of the present application is simple and highly feasible.
  • the operating state of the above-mentioned compressor may be the operating frequency of the compressor, the exhaust temperature of the compressor, or other parameters.
  • the embodiment of the present application does not specifically limit the operating state of the compressor.
  • the switch state of the one-way solenoid valve can be either an open state or a closed state.
  • Fig. 4 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S200 may include but is not limited to step S300.
  • Step S300 Control the switch state of the one-way solenoid valve according to the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust temperature.
  • the embodiment of the present application can simultaneously combine the outdoor ambient temperature, the current operating frequency of the compressor and the current exhaust temperature of the compressor as a basis to control the switch of the single-way solenoid valve, which is different from the previous single control of the single-way solenoid valve switch based on the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover. In addition, the solution of the embodiment of the present application is simple and highly feasible.
  • Fig. 5 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S410 and step S420.
  • Step S410 if the current exhaust temperature is greater than the first preset exhaust temperature, determine the current exhaust superheat of the compressor according to the current exhaust temperature and the evaporation temperature;
  • Step S420 when the outdoor ambient temperature is lower than the preset outdoor temperature, the current operating frequency is higher than the preset frequency, and the current exhaust gas superheat is higher than the first preset exhaust gas superheat, the one-way solenoid valve is opened.
  • the embodiment of the present application can calculate the current exhaust superheat of the compressor based on the current exhaust temperature and the evaporation temperature; then, if the outdoor ambient temperature is lower than the preset outdoor temperature, it indicates that it is in a low-temperature heating condition, and if the current operating frequency of the compressor is greater than the preset frequency, it indicates that the compressor is in a high-power state, and if the current exhaust superheat is greater than the first preset exhaust superheat, it indicates that the refrigerant entering the compressor is liquid-free, then at this time the embodiment of the present application can open the one-way solenoid valve to perform the injection enthalpy increase operation.
  • first preset exhaust temperature, preset outdoor temperature, preset frequency and first preset exhaust superheat degree can be preset.
  • Fig. 6 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S510 and step S520.
  • Step S510 when the outdoor ambient temperature is lower than the preset outdoor temperature, the current operating frequency is higher than the preset frequency, and the current exhaust temperature is higher than the second preset exhaust temperature;
  • Step S520 opening the one-way solenoid valve, wherein the second preset exhaust temperature is greater than the first preset exhaust temperature.
  • the embodiment of the present application can open the one-way solenoid valve to perform the injection enthalpy increase operation.
  • the second preset exhaust temperature is greater than the first preset exhaust temperature and is preset.
  • the above-mentioned judgment condition that the outdoor ambient temperature is lower than the preset outdoor temperature may specifically be: judging whether the outdoor ambient temperature is continuously lower than the preset outdoor temperature within a preset time period.
  • Fig. 7 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S610 and step S620.
  • Step S610 When the outdoor ambient temperature is greater than or equal to the preset outdoor temperature
  • Step S620 close the one-way solenoid valve.
  • Fig. 8 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S710 and step S720.
  • Step S710 If the current operating frequency is less than or equal to the preset frequency
  • Step S720 close the one-way solenoid valve.
  • Fig. 9 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S810 and step S820.
  • Step S810 if the current exhaust temperature is lower than the third preset exhaust temperature, wherein the third preset exhaust temperature is lower than the first preset exhaust temperature;
  • Step S820 close the one-way solenoid valve.
  • Fig. 10 is a flow chart of an air supply control method for an air conditioner provided by another embodiment of the present application.
  • the above step S300 may include but is not limited to step S910, step S920 and step S930.
  • Step S910 determining the current exhaust gas superheat of the compressor according to the current exhaust gas temperature and the evaporation temperature
  • Step S920 If the current exhaust gas superheat is less than the second preset exhaust gas superheat, the second preset exhaust gas superheat Less than a first preset exhaust gas superheat;
  • Step S930 close the one-way solenoid valve.
  • the outdoor ambient temperature is greater than or equal to the preset outdoor temperature, it indicates that the current operating condition is not low-temperature heating, or if the current operating frequency of the compressor is less than or equal to the preset frequency, it indicates that the compressor is in a low-power state.
  • the embodiment of the present application needs to close the one-way solenoid valve, and the injection enthalpy increase operation is not allowed.
  • the control of the one-way solenoid valve When the unit is in heating operation, the control of the opening of the one-way solenoid valve must meet the following conditions:
  • the single-way solenoid valve can be opened if the abc or abd conditions are met at the same time.
  • closing conditions for controlling the one-way solenoid valve are as follows:
  • the one-way solenoid valve can be closed when any one of the efg conditions is met.
  • an embodiment of the present application provides a controller, which includes: a processor, a memory, and a computer program stored in the memory and executable on the processor.
  • the processor and the memory may be connected via a bus or other means.
  • controller in this embodiment may include the processor and memory in the embodiment shown in Figure 1. Both belong to the same inventive concept, so both have the same implementation principles and beneficial effects, which will not be described in detail here.
  • the non-transient software program and instructions required to implement the air supply control method for the air conditioner of the above embodiment are stored in the memory, and when executed by the processor, the air supply control method for the air conditioner of the above embodiment is executed.
  • the single-way solenoid valve switch can be controlled based on the outdoor ambient temperature and the operating status of the compressor, which is different from controlling the single-way solenoid valve switch based solely on the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover. In addition, the solution of the embodiment of the present application is simple and highly feasible.
  • controller of the embodiment of the present application can execute the air supply control method of the air conditioner of any of the above-mentioned embodiments
  • specific implementation methods and technical effects of the controller of the embodiment of the present application can refer to the specific implementation methods and technical effects of the air supply control method of the air conditioner of any of the above-mentioned embodiments.
  • an embodiment of the present application provides an air conditioner, which includes but is not limited to the above-mentioned controller.
  • the single-way solenoid valve switch can be controlled based on the outdoor ambient temperature and the operating status of the compressor, which is different from controlling the single-way solenoid valve switch based solely on the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover. In addition, the solution of the embodiment of the present application is simple and highly feasible.
  • the air conditioner of the embodiment of the present application includes the controller of any of the above-mentioned embodiments, and the controller of any of the above-mentioned embodiments can execute the air supply control method of the air conditioner of any of the above-mentioned embodiments, the specific implementation methods and technical effects of the air conditioner of the embodiment of the present application can refer to the specific implementation methods and technical effects of the air supply control method of the air conditioner of any of the above-mentioned embodiments.
  • an embodiment of the present application further provides a computer-readable storage medium storing computer-executable instructions for executing the above-mentioned air supply control method for the air conditioner. Exemplarily, the method steps in Figures 3 to 10 described above are executed.
  • the single-way solenoid valve switch can be controlled based on the outdoor ambient temperature and the operating status of the compressor, which is different from controlling the single-way solenoid valve switch based solely on the outdoor ambient temperature. Therefore, the embodiment of the present application can optimize the air replenishment control in the spray enthalpy system, ensure the reliable operation of the compressor, and avoid the risk of liquid carryover. In addition, the solution of the embodiment of the present application is simple and highly feasible.
  • the computer-readable storage medium of the embodiment of the present application can execute the air supply control method of the air conditioner of any of the above-mentioned embodiments
  • the specific implementation methods and technical effects of the computer-readable storage medium of the embodiment of the present application can refer to the specific implementation methods and technical effects of the air supply control method of the air conditioner of any of the above-mentioned embodiments.
  • computer storage medium includes volatile and non-volatile, removable and non-removable media implemented in any method or technology for storing information (such as computer-readable instructions, data structures, program modules or other data).
  • Computer storage media include, but are not limited to, RAM, ROM, EEPROM, flash memory or other memory technology, CD-ROM, digital versatile disk (DVD) or other optical disk storage, magnetic cassettes, magnetic tapes, disk storage or other magnetic storage devices, or any other medium that can be used to store desired information and can be accessed by a computer.
  • communication media typically include computer-readable instructions, data structures, program modules or other data in a modulated data signal such as a carrier wave or other transmission mechanism, and may include any information delivery medium.

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Abstract

本申请提出了一种空调器的补气控制方法、空调器、控制器和存储介质，其中，空调器包括压缩机（200）、室外换热器（300）、室内换热器（400）、增焓系统和气体旁通（600）。增焓系统设置有单通电磁阀（510），室外换热器（300）和室内换热器（400）之间设置有第一冷媒流路，第一冷媒流路与压缩机（200）的增焓口之间设置有第二冷媒流路，单通电磁阀（510）设置于第二冷媒流路上，气体旁通（600）设置在第一冷媒流路并且位于增焓系统（200）和室内换热器（400）之间。补气控制方法包括：获取室外环境温度和压缩机的运行状态（S100）；根据室外环境温度和运行状态控制单通电磁阀的开关状态（S200）。

Description

空调器的补气控制方法、空调器、控制器和存储介质
相关申请的交叉引用
本申请要求于2023年01月12日提交的申请号为202310041940.4、名称为“空调器的补气控制方法、空调器、控制器和存储介质”，以及于2023年01月12日提交的申请号为202320082210.4、名称为“空调器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本申请涉及空调器技术领域，特别涉及一种空调器的补气控制方法、空调器、控制器和存储介质。
背景技术
在相关技术中，对于能够实现超低温制热的空调器，往往需要运用到喷焓系统，其中，对于喷焓系统中的单通电磁阀的控制逻辑，目前主要是根据环境温度来进行调节，具体地，当环境温度低于一定温度后才会开启单通电磁阀，使得喷焓系统的喷焓补气支路导通，从而起到补气作用。
但是，目前的控制方式会存在如下缺点：从喷焓补气支路进入到压缩机补气口的冷媒可能会存在带液问题，从而导致压缩机损坏，可靠性差。
发明内容
本申请旨在至少部分解决现有技术中存在的技术问题之一。为此，本申请提出一种空调器的补气控制方法、空调器、控制器和存储介质，能够降低从喷焓补气支路进入到压缩机补气口的冷媒的带液风险，从而提高压缩机的运行可靠性。
第一方面，本申请实施例提供了一种空调器的补气控制方法，所述空调器包括压缩机、室外换热器、室内换热器、增焓系统和气体旁通，所述增焓系统设置有单通电磁阀，所述室外换热器和所述室内换热器之间设置有第一冷媒流路，所述第一冷媒流路与所述压缩机的增焓口之间设置有第二冷媒流路，所述单通电磁阀设置于所述第二冷媒流路上，所述气体旁通设置在所述第一冷媒流路并且位于所述增焓系统和所述室内换热器之间；所述补气控制方法包括：获取室外环境温度和所述压缩机的运行状态；根据所述室外环境温度和所述运行状态控制所述单通电磁阀的开关状态。
根据本申请的一些实施例，所述根据所述室外环境温度和所述运行状态控制所述单通电磁阀的开关状态，包括：根据所述室外环境温度、所述压缩机的当前运行频率和当前排 气温度控制所述单通电磁阀的开关状态。
根据本申请的一些实施例，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，包括：当所述当前排气温度大于第一预设排气温度，根据所述当前排气温度和蒸发温度确定所述压缩机的当前排气过热度；在所述室外环境温度小于预设室外温度、所述当前运行频率大于预设频率、所述当前排气过热度大于第一预设排气过热度的情况下，开启所述单通电磁阀。
根据本申请的一些实施例，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，还包括：在所述室外环境温度小于预设室外温度、所述当前运行频率大于预设频率、所述当前排气温度大于第二预设排气温度的情况下，开启所述单通电磁阀，其中，所述第二预设排气温度大于所述第一预设排气温度。
根据本申请的一些实施例，所述室外环境温度小于预设室外温度为：所述室外环境温度在预设时长内持续小于所述预设室外温度。
根据本申请的一些实施例，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，还包括如下至少之一：
当所述室外环境温度大于或等于预设室外温度，关闭所述单通电磁阀；
当所述当前运行频率小于或等于预设频率，关闭所述单通电磁阀；
当所述当前排气温度小于第三预设排气温度，关闭所述单通电磁阀，其中，所述第三预设排气温度小于所述第一预设排气温度；
根据所述当前排气温度和蒸发温度确定所述压缩机的当前排气过热度，当所述当前排气过热度小于第二预设排气过热度，关闭所述单通电磁阀，其中，所述第二预设排气过热度小于所述第一预设排气过热度。
第二方面，本申请实施例提供了一种空调器，包括：
压缩机、室外换热器、室内换热器和接水盘，所述室外换热器和所述室内换热器之间设置有第一冷媒流路，所述接水盘位于所述室外换热器的下方；
增焓系统，设置有单通电磁阀，所述第一冷媒流路与所述压缩机的增焓口之间设置有第二冷媒流路，所述单通电磁阀设置于所述第二冷媒流路上；
气体旁通，设置在所述第一冷媒流路并且位于所述增焓系统和所述室内换热器之间，所述气体旁通还设置于所述接水盘。
根据本申请的一些实施例，所述增焓系统还设置有闪蒸器，所述闪蒸器设置有第一冷媒流通孔、第二冷媒流通孔和第三冷媒流通孔，所述闪蒸器依次通过所述第一冷媒流通孔 和所述单通电磁阀连通至所述压缩机的增焓口，所述闪蒸器通过所述第二冷媒流通孔连通至所述室外换热器，所述闪蒸器通过所述第三冷媒流通孔连通至所述气体旁通。
根据本申请的一些实施例，所述增焓系统还设置有节流装置，所述节流装置设置在所述第一冷媒流路，并且位于所述室外换热器和所述气体旁通之间。
根据本申请的一些实施例，所述节流装置包括如下至少之一：第一节流装置，设置在所述第一冷媒流路并且位于所述室外换热器和所述第二冷媒流通孔之间；第二节流装置，设置在所述第一冷媒流路并且位于所述第三冷媒流通孔和所述气体旁通之间。
根据本申请的一些实施例，所述第一节流装置和所述第二节流装置为电子膨胀阀或者毛细管。
根据本申请的一些实施例，所述空调器还包括四通阀，所述四通阀分别连通所述室外换热器、所述室内换热器和所述压缩机的回气孔和排气孔。
第三方面，本申请实施例提供了一种控制器，包括：存储器、处理器及存储在所述存储器上并可在所述处理器上运行的计算机程序，所述处理器运行所述计算机程序时执行如上述第一方面所述的空调器的补气控制方法。
第四方面，本申请实施例提供了一种计算机可读存储介质，存储有计算机可执行指令，所述计算机可执行指令用于执行如上述第一方面所述的空调器的补气控制方法。
根据本申请实施例的技术方案，至少具有如下有益效果：本申请实施例的空调器包括压缩机、室外换热器、室内换热器、增焓系统和气体旁通，其中，增焓系统设置有单通电磁阀，室外换热器和室内换热器之间设置有第一冷媒流路，第一冷媒流路与压缩机的增焓口之间设置有第二冷媒流路，单通电磁阀设置于第二冷媒流路上，气体旁通设置在第一冷媒流路并且位于增焓系统和室内换热器之间。具体地，对于单通电磁阀的控制逻辑，包括：首先，本申请实施例会获取室外环境温度和压缩机的运行状态；接着，本申请实施例会根据室外环境温度和运行状态控制单通电磁阀的开关状态。根据本申请实施例的技术方案，能够结合室外环境温度和压缩机的运行状态作为依据来控制单通电磁阀开关，区别于单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
本申请的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本申请的实践了解到。
附图说明
附图用来提供对本申请技术方案的进一步理解，并且构成说明书的一部分，与本申请的实施例一起用于解释本申请的技术方案，并不构成对本申请技术方案的限制。
图1是本申请一个实施例提供的用于执行空调器的补气控制方法的系统架构平台的示意图；
图2是本申请一个实施例提供的空调器的结构示意图；
图3是本申请一个实施例提供的空调器的补气控制方法的流程图；
图4是本申请另一个实施例提供的空调器的补气控制方法的流程图；
图5是本申请另一个实施例提供的空调器的补气控制方法的流程图；
图6是本申请另一个实施例提供的空调器的补气控制方法的流程图；
图7是本申请另一个实施例提供的空调器的补气控制方法的流程图；
图8是本申请另一个实施例提供的空调器的补气控制方法的流程图；
图9是本申请另一个实施例提供的空调器的补气控制方法的流程图；以及
图10是本申请另一个实施例提供的空调器的补气控制方法的流程图。
具体实施方式
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
在本申请的描述中，需要理解的是，涉及到方位描述，例如上、下、前、后、左、右等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。
在本申请的描述中，若干的含义是一个或者多个，多个的含义是两个以上，大于、小于、超过等理解为不包括本数，以上、以下、以内等理解为包括本数。如果有描述到第一、第二只是用于区分技术特征为目的，而不能理解为指示或暗示相对重要性或者隐含指明所指示的技术特征的数量或者隐含指明所指示的技术特征的先后关系。
本申请的描述中，除非另有明确的限定，设置、安装、连接等词语应做广义理解，所属技术领域技术人员可以结合技术方案的具体内容合理确定上述词语在本申请中的具体含义。
在一些情形下，对于能够实现超低温制热的空调器，往往需要运用到喷焓系统，其中，对于喷焓系统中的单通电磁阀的控制逻辑，目前主要是根据环境温度来进行调节，具体地， 当环境温度低于一定温度后才会开启单通电磁阀，使得喷焓系统的喷焓补气支路导通，从而起到补气作用。
但是，目前的控制方式会存在如下缺点：从喷焓补气支路进入到压缩机补气口的冷媒可能会存在带液问题，从而导致压缩机损坏，可靠性差。
基于上述情况，本申请实施例提出一种空调器的补气控制方法、空调器、控制器和存储介质，能够降低从喷焓补气支路进入到压缩机补气口的冷媒的带液风险，从而提高压缩机的运行可靠性。
下面结合附图，对本申请实施例作进一步阐述。
如图1所示，图1是本申请一个实施例提供的用于执行空调器的补气控制方法的系统架构平台的示意图。
本申请实施例的系统架构平台100包括一个或多个处理器110和存储器120，图1中以一个处理器110及一个存储器120为例。
处理器110和存储器120可以通过总线或者其他方式连接，图1中以通过总线连接为例。
存储器120作为一种非暂态计算机可读存储介质，可用于存储非暂态软件程序以及非暂态性计算机可执行程序。此外，存储器120可以包括高速随机存取存储器，还可以包括非暂态存储器，例如至少一个磁盘存储器件、闪存器件、或其他非暂态固态存储器件。在一些实施方式中，存储器120可选包括相对于处理器110远程设置的存储器120，这些远程存储器可以通过网络连接至该系统架构平台100。上述网络的实例包括但不限于互联网、企业内部网、局域网、移动通信网及其组合。
本领域技术人员可以理解，图1中示出的装置结构并不构成对系统架构平台100的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
在图1所示的系统架构平台100中，处理器110可以用于调用存储器120中储存的空调器的补气控制程序，从而实现空调器的补气控制方法。
基于上述系统架构平台100的硬件结构，提出本申请的空调器的各个实施例。
如图2所示，图2是本申请一个实施例提供的空调器的结构示意图。
具体地，本申请实施例的空调器包括但不限于压缩机200、室外换热器300、室内换热器400、接水盘、增焓系统和气体旁通600，其中，室外换热器300通过第一冷媒流路连通至室内换热器400，并且第一冷媒流路设置有流路分支，即第二冷媒流路，第一冷媒流路能够通过第二冷媒流路连通至压缩机200的增焓口，另外，增焓系统设置有单通电磁 阀510，并且该单通电磁阀510设置于第二冷媒流路上；另外，接水盘位于室外换热器300的下方，气体旁通600设置在第一冷媒流路并且位于增焓系统和室内换热器400之间，气体旁通600还设置于接水盘。
需要说明的是，对于上述的压缩机200，为喷气增焓压缩机200，其采用两级节流中间喷气技术，采用闪蒸器520进行气液分离，实现增焓效果。通过中低压时边压缩边喷气混合冷却，然后高压时正常压缩，提高压缩机200排气量，达到低温环境下提升制热能力的目的。
另外，需要说明的是，对于上述的增焓系统，能够强化制热模式的抽热过程，使更多的室外热量送到室内。增焓系统以喷气增焓压缩机200为基础，优化了中压段冷媒喷射技术，通过中间压力吸气孔吸入一部分中间压力的气体，与经过部分压缩的冷媒混合再压缩，实现以单台压缩机200实现两级压缩，增加冷凝器中的制冷剂流量，加大了主循环回路的焓差，从而提高压缩机200的效率。具体地，喷气增焓技术的压缩机200多了一个吸气口，通过产生蒸汽来冷却主循环的制冷剂，蒸汽就是从第二个吸口进入压缩机200的，其压缩过程被补气过程分割成两段,变为准二级压缩过程。喷气降低排气温度，同时降低其排气过热度，减少冷凝器的气相换热区的长度，增加两相换热面积，提高冷凝器的换热效率，当蒸发温度和冷凝温度相差越大会产生越好的效果，所以在低温环境下效果更明显。
另外，值得注意的是，本申请实施例设置有气体旁通600，其位于接水盘的位置。具体地，由于在制热期间，室外换热器300会产生冷凝水并滴落至接水盘中，如果室外环境温度比较低时，那么接水盘中的冷凝水可能会发生结霜或者结冰等现象，从而堵塞接水盘，因此，本申请实施例通过采用气体旁通600来进行化霜或者化冰处理。具体地，在制热模式下，制冷剂从压缩机200的排气孔出来进入室内换热器400，并释放热量给室内环境，接着从室内换热器400出来进入气体旁通600，虽然此时从室内换热器400出来的气体已经释放过热量，但是其温度还是处于较高热的状态，因此，此时气体旁通600也是处于较高热的状态，从而使得气体旁通600能够进行化霜或者化冰处理。
需要说明的是，本申请实施例的气体旁通600包括但不限于多个U型的管道，并且多个U型的管道依次拼接，从而能够形成大面积并且化霜化冰效果更佳的气体旁通600。
另外，需要说明的是，本申请实施例的空调器还包括排水装置，其中，排水装置的一端位于接水盘并用于抽取接水盘中的冷凝水，另一端用于将冷凝水喷淋至室内换热器400。
具体地，本申请实施例能够利用热气旁通即气体旁通600对室外机的接水盘进行加热，保证水温高于结冰或结霜温度，然后再通过排水装置将室外机的水喷淋至室内机，从而起 到加湿效果。
可以理解的是，关于上述的单通电磁阀510，可以是单向阀和电磁阀的分体式组合结构，也可以是单向阀和电磁阀的一体式组合结构。
需要说明的是，本申请实施例的空调器，可以是窗机空调器，也可以是分体式空调器，本申请实施例对空调器的结构形式不作具体限定。
在一实施例中，本申请实施例的空调器中的增焓系统还设置有闪蒸器520，闪蒸器520设置有第一冷媒流通孔、第二冷媒流通孔和第三冷媒流通孔，闪蒸器520依次通过第一冷媒流通孔和单通电磁阀510连通至压缩机200的增焓口，闪蒸器520通过第二冷媒流通孔连通至室外换热器300，闪蒸器520通过第三冷媒流通孔连通至气体旁通600。
可以理解的是，关于上述的闪蒸器520，能够实现闪蒸处理，具体地，闪蒸是指高压的饱和液体进入比较低压的容器中后，由于压力的突然降低，这些饱和液体变成一部分的容器压力下的饱和蒸汽和饱和液的现象。
在一实施例中，申请实施例的空调器中的增焓系统还设置有节流装置，节流装置设置在第一冷媒流路，并且位于室外换热器300和气体旁通600之间。
在一实施例中，关于上述的节流装置，可以包括第一节流装置530和/或第二节流装置540，其中，第一节流装置530设置在第一冷媒流路并且位于室外换热器300和第二冷媒流通孔之间；第二节流装置540设置在第一冷媒流路并且位于第三冷媒流通孔和气体旁通600之间。
在一实施例中，关于上述的第一节流装置530和第二节流装置540，可以为电子膨胀阀，也可以为毛细管。
可以理解的是，关于上述的毛细管，毛细管是空调器最简单的节流装置，是一根有规定长度的紫铜管，内径一般为0.5毫米至2毫米。其优点是制造方便，价格低廉；缺点是没有调节流量的功能。
另外，可以理解的是，关于上述的电子膨胀阀，其结构可以由检测、控制、执行三部分组成。其优点是流量调节范围大，控制精度高，适用于智能控制，可以适应高效率的制冷剂流量的快速变化，换句话说，电子膨胀阀可以认为是内径可以变化的智能毛细管。
具体地，节流装置能够使中温高压的液体制冷剂通过其节流成为低温低压的湿蒸汽，然后制冷剂在蒸发器中吸收热量达到制冷效果，膨胀阀通过蒸发器末端的过热度变化来控制阀门流量，防止出现蒸发器面积利用不足和敲缸现象。
在一实施例中，本申请实施例的空调器还包括四通阀700，四通阀700分别连通室外 换热器300、室内换热器400和压缩机200的回气孔和排气孔。
在一实施例中，本申请实施例的空调器还包括消音器800，消音器800设置在四通阀700和压缩机200的排气孔之间。
对于本申请实施例的制冷运行流程，具体为：制冷剂从压缩机200的排气孔出来经过四通阀700后，进入室外换热器300，室外换热器300出来经过第一节流装置530进入闪蒸器520全开状态，此时，单通电磁阀510处于关闭状态从而使得气体不能进入压缩机200的增焓口，即补气口，从闪蒸器520出来经过第二节流装置540进行节流，然后经过气体旁通600进入室内换热器400，制冷剂在室内换热器400里蒸发后变成气体，经过四通阀700回到压缩机200的回气口。
对于本申请实施例的制热运行流程，具体为：制冷剂从压缩机200的排气孔出来经过四通阀700进入室内换热器400，从室内换热器400出来进入气体旁通600，从气体旁通600出来经过第二节流装置540节流进入闪蒸器520，气体通过单通电磁阀510进入压缩机200的增焓口，即补气口，同时液体通过第一节流装置530节流后进入室外换热器300，从室外换热器300出来经过四通阀700回到压缩机200的回气口。
可以理解的是，关于上述的控制器的结构，可以包括如图1中所示的处理器110和存储器120，该控制器能够与压缩机200、单通电磁阀510、第一节流装置530和第二节流装置540，从而能够使得控制器可以调节压缩机200的运行频率、以及控制单通电磁阀510的开关状态，以及控制第一节流装置530和第二节流装置540的开度。
本领域技术人员可以理解，上述所描述的结构并不构成对空调器的限定，可以包括比图示更多或更少的部件，或者组合某些部件，或者不同的部件布置。
基于上述系统架构平台100和空调器的硬件结构，提出本申请的空调器的补气控制方法的各个实施例。
如图3所示，图3是本申请一个实施例提供的空调器的补气控制方法的流程图。其中，该补气控制方法可以应用于上述的空调器，可以包括但不限于有步骤S100和步骤S200。
步骤S100、获取室外环境温度和压缩机的运行状态；
步骤S200、根据室外环境温度和运行状态控制单通电磁阀的开关状态。
在一实施例中，本申请实施例能够同时结合室外环境温度和压缩机的运行状态作为依据来控制单通电磁阀开关，区别于以往的单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
需要说明的是，关于上述的压缩机的运行状态，可以是压缩机的运行频率，也可以是压缩机的排气温度，也可以是其他参数，本申请实施例对压缩机的运行状态不作具体限定。
另外，需要说明的是，关于上述的单通电磁阀的开关状态，可以是开启状态，也可以是关闭状态。
另外，如图4所示，图4是本申请另一个实施例提供的空调器的补气控制方法的流程图。其中，关于上述步骤S200，可以包括但不限于有步骤S300。
步骤S300、根据室外环境温度、压缩机的当前运行频率和当前排气温度控制单通电磁阀的开关状态。
在一实施例中，本申请实施例能够同时结合室外环境温度、压缩机的当前运行频率和压缩机的当前排气温度作为依据来控制单通电磁阀开关，区别于以往的单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
需要说明的是，关于上述步骤S300中的控制单通电磁阀开启的触发流程，可以见图5或图6中的两种实施情况，具体分别如下：
如图5所示，图5是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S410和步骤S420。
步骤S410、若当前排气温度大于第一预设排气温度，根据当前排气温度和蒸发温度确定压缩机的当前排气过热度；
步骤S420、在室外环境温度小于预设室外温度、当前运行频率大于预设频率、当前排气过热度大于第一预设排气过热度的情况下，开启单通电磁阀。
在一实施例中，如果当前排气温度大于一定程度时，本申请实施例可以根据当前排气温度和蒸发温度计算出压缩机的当前排气过热度；接着，如果室外环境温度小于预设室外温度，即表明处于低温制热工况，并且如果压缩机的当前运行频率大于预设频率，即表明压缩机处于高功率状态，并且如果当前排气过热度大于第一预设排气过热度，即表明进入压缩机的是没有液体的制冷剂，那么此时本申请实施例可以开启单通电磁阀，执行喷气增焓操作。
需要说明的是，关于上述的第一预设排气温度、预设室外温度、预设频率和第一预设排气过热度，可以是预先设定得到的。
如图6所示，图6是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S510和步骤S520。
步骤S510、在室外环境温度小于预设室外温度、当前运行频率大于预设频率、当前排气温度大于第二预设排气温度的情况下；
步骤S520、开启单通电磁阀，其中，第二预设排气温度大于第一预设排气温度。
在一实施例中，如果室外环境温度小于预设室外温度，即表明处于低温制热工况，并且如果压缩机的当前运行频率大于预设频率，即表明压缩机处于高功率状态，并且如果当前排气温度大于第二预设排气温度，即表明当前排气温度已经足够大，那么此时本申请实施例可以开启单通电磁阀，执行喷气增焓操作。
需要说明的是，关于上述的第二预设排气温度，大于第一预设排气温度，并且是预先设定得到的。
需要说明的是，关于上述的室外环境温度小于预设室外温度的判断条件，具体可以为：判断室外环境温度在预设时长内是否持续小于预设室外温度。
另外，需要说明的是，关于上述步骤S300中的控制单通电磁阀关闭的触发流程，可以见图7、图8、图9或图10中的四种实施情况，具体分别如下：
如图7所示，图7是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S610和步骤S620。
步骤S610、当室外环境温度大于或等于预设室外温度；
步骤S620、关闭单通电磁阀。
如图8所示，图8是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S710和步骤S720。
步骤S710、若当前运行频率小于或等于预设频率；
步骤S720、关闭单通电磁阀。
如图9所示，图9是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S810和步骤S820。
步骤S810、若当前排气温度小于第三预设排气温度，其中，第三预设排气温度小于第一预设排气温度；
步骤S820、关闭单通电磁阀。
如图10所示，图10是本申请另一个实施例提供的空调器的补气控制方法的流程图。关于上述步骤S300，可以包括但不限于有步骤S910、步骤S920和步骤S930。
步骤S910、根据当前排气温度和蒸发温度确定压缩机的当前排气过热度；
步骤S920、若当前排气过热度小于第二预设排气过热度，其中，第二预设排气过热度 小于第一预设排气过热度；
步骤S930、关闭单通电磁阀。
在一实施例中，如果室外环境温度大于或等于预设室外温度，即表明当前不处于低温制热工况，或者如果压缩机的当前运行频率小于或等于预设频率，即表明压缩机处于低功率状态，此时可以先尝试提高压缩机的运行频率并观察工况，或者如果当前排气温度小于第三预设排气温度，即表明当前排气温度较低，或者当前排气过热度小于第二预设排气过热度，即表明进入压缩机的可能会是有液体的制冷剂，那么此时本申请实施例需要关闭单通电磁阀，不允许执行喷气增焓操作。
基于上述各个实施例的空调器的补气控制方法，下面分别提出本申请的空调器的补气控制方法的整体实施例。
在一实施例中，在制热模式下，单通电磁阀的控制：当机组进行制热运行时，关于控制单通电磁阀的开启必须满足以下条件：
a.当室外环境温度必须＜Tc，且持续时间到Tm分钟后
b.压缩机的运行频率必须＞Fr
c.排气温度Tp＞Tp1且排气过热度Ts＝Tp-T2，TS＞Ta
d.排气温度Tp＞Tp2，Tp2＞Tp1
同时满足abc或者abd条件可以开启单通电磁阀。
另外，关于控制单通电磁阀的关闭条件，如下：
e.当室外环境温度必须＞Tc
f.压缩机的运行频率必须＜Fr
a.排气温度Tp＜Tp3或排气过热度Ts＝Tp-T2，TS＜Ta1，Tp2＞Tp1＞Tp3，Ta＞Ta1。
满足efg条件中的任意一个即可关闭单通电磁阀。
基于上述各个实施例的空调器的补气控制方法，下面分别提出本申请的控制器、空调器和计算机可读存储介质的各个实施例。
另外，本申请的一个实施例提供了一种控制器，该控制器包括：处理器、存储器及存储在存储器上并可在处理器上运行的计算机程序。
处理器和存储器可以通过总线或者其他方式连接。
需要说明的是，本实施例中的控制器，可以包括如图1所示实施例中的处理器和存储器，两者属于相同的发明构思，因此两者具有相同的实现原理以及有益效果，此处不再详述。
实现上述实施例的空调器的补气控制方法所需的非暂态软件程序以及指令存储在存储器中，当被处理器执行时，执行上述实施例的空调器的补气控制方法。
根据本申请实施例的控制器的技术方案，能够结合室外环境温度和压缩机的运行状态作为依据来控制单通电磁阀开关，区别于单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
值得注意的是，由于本申请实施例的控制器能够执行上述任一实施例的空调器的补气控制方法，因此，本申请实施例的控制器的具体实施方式和技术效果，可以参照上述任一实施例的空调器的补气控制方法的具体实施方式和技术效果。
此外，本申请的一个实施例提供了一种空调器，该空调器包括但不限于上述的控制器。
根据本申请实施例的空调器的技术方案，能够结合室外环境温度和压缩机的运行状态作为依据来控制单通电磁阀开关，区别于单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
值得注意的是，由于本申请实施例的空调器包括上述任一实施例的控制器，而上述任一实施例的控制器能够执行上述任一实施例的空调器的补气控制方法，因此，本申请实施例的空调器的具体实施方式和技术效果，可以参照上述任一实施例的空调器的补气控制方法的具体实施方式和技术效果。
此外，本申请的一个实施例还提供了一种计算机可读存储介质，该计算机可读存储介质存储有计算机可执行指令，计算机可执行指令用于执行上述的空调器的补气控制方法。示例性地，执行以上描述的图3至图10中的方法步骤。
根据本申请实施例的计算机可读存储介质的技术方案，能够结合室外环境温度和压缩机的运行状态作为依据来控制单通电磁阀开关，区别于单一根据室外环境温度来控制单通电磁阀开关，因此，本申请实施例能够优化喷焓系统中的补气控制，保证了压缩机的可靠运行，避免了带液的风险，另外，本申请实施例的方案简单，可实现性强。
值得注意的是，由于本申请实施例的计算机可读存储介质能够执行上述任一实施例的空调器的补气控制方法，因此，本申请实施例的计算机可读存储介质的具体实施方式和技术效果，可以参照上述任一实施例的空调器的补气控制方法的具体实施方式和技术效果。
本领域普通技术人员可以理解，上文中所公开方法中的全部或某些步骤、系统可以被实施为软件、固件、硬件及其适当的组合。某些物理组件或所有物理组件可以被实施为由 处理器，如中央处理器、数字信号处理器或微处理器执行的软件，或者被实施为硬件，或者被实施为集成电路，如专用集成电路。这样的软件可以分布在计算机可读介质上，计算机可读介质可以包括计算机存储介质(或非暂时性介质)和通信介质(或暂时性介质)。如本领域普通技术人员公知的，术语计算机存储介质包括在用于存储信息(诸如计算机可读指令、数据结构、程序模块或其他数据)的任何方法或技术中实施的易失性和非易失性、可移除和不可移除介质。计算机存储介质包括但不限于RAM、ROM、EEPROM、闪存或其他存储器技术、CD-ROM、数字多功能盘(DVD)或其他光盘存储、磁盒、磁带、磁盘存储或其他磁存储装置、或者可以用于存储期望的信息并且可以被计算机访问的任何其他的介质。此外，本领域普通技术人员公知的是，通信介质通常包括计算机可读指令、数据结构、程序模块或者诸如载波或其他传输机制之类的调制数据信号中的其他数据，并且可包括任何信息递送介质。
以上是对本申请的较佳实施进行了具体说明，但本申请并不局限于上述实施方式，熟悉本领域的技术人员在不违背本申请精神的共享条件下还可作出种种等同的变形或替换，这些等同的变形或替换均包括在本申请权利要求所限定的范围内。

Claims (14)

  1. 一种空调器的补气控制方法，其中，所述空调器包括压缩机、室外换热器、室内换热器、增焓系统和气体旁通，所述增焓系统设置有单通电磁阀，所述室外换热器和所述室内换热器之间设置有第一冷媒流路，所述第一冷媒流路与所述压缩机的增焓口之间设置有第二冷媒流路，所述单通电磁阀设置于所述第二冷媒流路上，所述气体旁通设置在所述第一冷媒流路并且位于所述增焓系统和所述室内换热器之间；
    所述补气控制方法包括：
    获取室外环境温度和所述压缩机的运行状态；以及
    根据所述室外环境温度和所述运行状态控制所述单通电磁阀的开关状态。
  2. 根据权利要求1所述的补气控制方法，其中，所述根据所述室外环境温度和所述运行状态控制所述单通电磁阀的开关状态，包括：
    根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态。
  3. 根据权利要求2所述的补气控制方法，其中，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，包括：
    当所述当前排气温度大于第一预设排气温度，根据所述当前排气温度和蒸发温度确定所述压缩机的当前排气过热度；
    在所述室外环境温度小于预设室外温度、所述当前运行频率大于预设频率、所述当前排气过热度大于第一预设排气过热度的情况下，开启所述单通电磁阀。
  4. 根据权利要求3所述的补气控制方法，其中，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，还包括：
    在所述室外环境温度小于预设室外温度、所述当前运行频率大于预设频率、所述当前排气温度大于第二预设排气温度的情况下，开启所述单通电磁阀，其中，所述第二预设排气温度大于所述第一预设排气温度。
  5. 根据权利要求3或4所述的补气控制方法，其中，所述室外环境温度小于预设室外温度为：所述室外环境温度在预设时长内持续小于所述预设室外温度。
  6. 根据权利要求4所述的补气控制方法，其中，所述根据所述室外环境温度、所述压缩机的当前运行频率和当前排气温度控制所述单通电磁阀的开关状态，还包括如下至少之一：
    当所述室外环境温度大于或等于预设室外温度，关闭所述单通电磁阀；
    当所述当前运行频率小于或等于预设频率，关闭所述单通电磁阀；
    当所述当前排气温度小于第三预设排气温度，关闭所述单通电磁阀，其中，所述第三预设排气温度小于所述第一预设排气温度；或者
    根据所述当前排气温度和蒸发温度确定所述压缩机的当前排气过热度，当所述当前排气过热度小于第二预设排气过热度，关闭所述单通电磁阀，其中，所述第二预设排气过热度小于所述第一预设排气过热度。
  7. 一种空调器，包括：
    压缩机、室外换热器、室内换热器和接水盘，所述室外换热器和所述室内换热器之间设置有第一冷媒流路，所述接水盘位于所述室外换热器的下方；
    增焓系统，设置有单通电磁阀，所述第一冷媒流路与所述压缩机的增焓口之间设置有第二冷媒流路，所述单通电磁阀设置于所述第二冷媒流路上；以及
    气体旁通，设置在所述第一冷媒流路并且位于所述增焓系统和所述室内换热器之间，所述气体旁通还设置于所述接水盘。
  8. 根据权利要求7所述的空调器，其中，所述增焓系统还设置有闪蒸器，所述闪蒸器设置有第一冷媒流通孔、第二冷媒流通孔和第三冷媒流通孔，所述闪蒸器依次通过所述第一冷媒流通孔和所述单通电磁阀连通至所述压缩机的增焓口，所述闪蒸器通过所述第二冷媒流通孔连通至所述室外换热器，所述闪蒸器通过所述第三冷媒流通孔连通至所述气体旁通。
  9. 根据权利要求8所述的空调器，其中，所述增焓系统还设置有节流装置，所述节流装置设置在所述第一冷媒流路，并且位于所述室外换热器和所述气体旁通之间。
  10. 根据权利要求9所述的空调器，其中，所述节流装置包括如下至少之一：
    第一节流装置，设置在所述第一冷媒流路并且位于所述室外换热器和所述第二冷媒流通孔之间；或者
    第二节流装置，设置在所述第一冷媒流路并且位于所述第三冷媒流通孔和所述气体旁通之间。
  11. 根据权利要求10所述的空调器，其中，所述第一节流装置和所述第二节流装置为电子膨胀阀或者毛细管。
  12. 根据权利要求7所述的空调器，还包括四通阀，其中，所述四通阀分别连通所述室外换热器、所述室内换热器和所述压缩机的回气孔和排气孔。
  13. 一种控制器，包括存储器、处理器及存储在所述存储器上并可在所述处理器上运 行的计算机程序，其中，所述处理器运行所述计算机程序时执行如权利要求7至12中任意一项所述的空调器的补气控制方法。
  14. 一种计算机可读存储介质，存储有计算机可执行指令，其中，所述计算机可执行指令用于执行如权利要求7至12中任意一项所述的空调器的补气控制方法。
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