WO2019000868A1 - Air conditioning system and control method for air conditioning system - Google Patents
Air conditioning system and control method for air conditioning system Download PDFInfo
- Publication number
- WO2019000868A1 WO2019000868A1 PCT/CN2017/117887 CN2017117887W WO2019000868A1 WO 2019000868 A1 WO2019000868 A1 WO 2019000868A1 CN 2017117887 W CN2017117887 W CN 2017117887W WO 2019000868 A1 WO2019000868 A1 WO 2019000868A1
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- WIPO (PCT)
- Prior art keywords
- port
- valve
- heat exchanger
- conditioning system
- air conditioning
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
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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
- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/10—Fluid-circulation arrangements using electro-osmosis
Definitions
- the invention relates to the technical field of household appliances, and in particular to an air conditioning system and a control method of an air conditioning system.
- air conditioners With the improvement of people's material life, air conditioners have become a necessity for people's lives. People also put forward higher requirements on the refrigeration capacity, heating capacity and energy efficiency of air conditioners. Traditional air conditioners can meet the general refrigeration and heating. Working conditions, but in high-temperature refrigeration, low-temperature heating conditions, the ability will be attenuated, and energy efficiency will also be worse.
- Embodiments of the present invention provide an air conditioning system and a control method of an air conditioning system.
- a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, a second intake port, a gas supply port, a control port, and an exhaust port, the compressor
- the first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;
- a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;
- An outdoor heat exchanger and an indoor heat exchanger wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger
- the second port of the indoor heat exchanger is connected to the third valve port;
- the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;
- a throttle device comprising a first throttle element and a second throttle element, the first throttle element connecting a second port of the outdoor heat exchanger and one of the refrigerant ports, a second throttle element is connected to the first port of the indoor heat exchanger and the other of the refrigerant ports, and when the air conditioning system is cooled, the opening of the throttle element is smaller than that of the second throttle element
- the opening degree, when the air conditioning system is heating, the opening degree of the second throttle element is smaller than the opening degree of the first throttle element;
- a reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode.
- the compressor can be switched between the single cylinder mode and the two cylinder mode according to working conditions, and the flasher can supplement the air supply of the compressor and improve the refrigeration system of the entire working condition of the air conditioning system.
- the heat capacity and by adjusting the opening degree of the first throttle element and the second throttle element, makes the amount of gas from the flasher to the compressor more reasonable, and further improves the energy efficiency of the air conditioning system.
- a control method of an air conditioning system according to an embodiment of the present invention is for controlling an air conditioning system according to any one of the above embodiments, and the control method of the air conditioning system includes:
- the first and second ports are controlled to communicate to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
- a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, a second intake port, a gas supply port, a control port, and an exhaust port, the compressor
- the first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;
- a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;
- An outdoor heat exchanger and an indoor heat exchanger wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger
- the second port of the indoor heat exchanger is connected to the third valve port;
- the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;
- An electrically controlled heat exchanger for exchanging heat of an electronically controlled component of the air conditioning system, the electrically controlled heat exchanger being in communication with a refrigerant port;
- a reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode.
- the compressor can be switched between the single cylinder mode and the two cylinder mode according to the working condition, and the flasher can supplement the air supply of the compressor and improve the refrigeration of the entire working condition of the air conditioning system.
- the heating capacity while the electronic control components of the air conditioning system are cooled by the refrigerant connected to the electronically controlled heat exchanger, the heat dissipation effect of the electronic control components is good, and the stability of the air conditioning system is improved.
- a control method of an air conditioning system according to another embodiment of the present invention is for controlling an air conditioning system according to another embodiment, wherein the control method of the air conditioning system includes:
- the first port is controlled to communicate with the second port to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
- FIGS. 1 to 4 are schematic diagrams showing states of an air conditioning system according to an embodiment of the present invention.
- FIG. 5 is a schematic flow chart of a control method of an air conditioning system according to an embodiment of the present invention.
- Figure 6 is a schematic cross-sectional view of a flasher according to an embodiment of the present invention.
- FIG. 7 is a partial structural schematic view of an air outlet pipe of a flash evaporator according to an embodiment of the present invention.
- FIG. 8 is a schematic view showing the internal structure of an outdoor unit of an air conditioner according to an embodiment of the present invention.
- Figure 9 is an enlarged schematic view showing a portion VII of the outdoor unit of the air conditioner of Figure 8.
- FIG. 10 is a perspective view of a flasher and a first damper element according to an embodiment of the present invention.
- FIG. 11 is a perspective view of a flasher and a first damper element according to an embodiment of the present invention.
- Figure 12 is an enlarged schematic view showing a portion X of the outdoor unit of the air conditioner of Figure 8;
- Fig. 13 is a schematic perspective view showing a second damper element of the outdoor unit of the air conditioner of the embodiment.
- the first feature "on” or “under” the second feature may be a direct contact of the first and second features, or the first and second features may be indirectly through an intermediate medium, unless otherwise explicitly stated and defined. contact.
- the first feature "above”, “above” and “above” the second feature may be that the first feature is directly above or above the second feature, or merely that the first feature level is higher than the second feature.
- the first feature “below”, “below” and “below” the second feature may be that the first feature is directly below or obliquely below the second feature, or merely that the first feature level is less than the second feature.
- an air conditioning system 200 includes a compressor 210, a reversing assembly 220, an outdoor heat exchanger 230, an indoor heat exchanger 240, a flasher 100, a throttling device, and a reversing valve. 130.
- the compressor 210 can operate in a single cylinder mode or a two cylinder mode.
- the compressor 210 is formed with a first intake port 211, an exhaust port 212, a gas supply port 213, a second intake port 214, and a control port 215.
- the compressor 210 includes a first cylinder 216 and a second cylinder 217.
- the first intake port 211 communicates with the first cylinder 216
- the second intake port 214 communicates with the second cylinder 217.
- the reversing assembly 220 includes a first valve port 221, a second valve port 222, a third valve port 223, and a fourth valve port 224.
- the first valve port 221 can selectively communicate with the second valve port 222 or the third valve port 223, and the fourth valve port 224 can selectively communicate with the second valve port 222 or the third valve port 223.
- the first valve port 221 communicates with the exhaust port 212, and the fourth valve port 224 communicates with the first air inlet 211 and the second air inlet 214.
- the control port 215 can selectively communicate with the first valve port 221 or the fourth valve port 224. .
- the first port 231 of the outdoor heat exchanger communicates with the second valve port 222
- the second port 232 of the outdoor heat exchanger communicates with the first port 241 of the indoor heat exchanger
- the second port 242 of the indoor heat exchanger communicates with the third port port 223.
- the flasher 100 includes two refrigerant ports (a first refrigerant port 21, a second refrigerant port 33) and an air outlet 41.
- the two refrigerant ports (21, 33) respectively exchange heat with the second port 232 of the outdoor heat exchanger and the room.
- the first port 241 of the device is in communication, and the air outlet 41 is in communication with the air supply port 213.
- the throttle device includes a first throttle element 250 and a second throttle element 260.
- the first throttle element 250 is coupled to the second port 232 of the outdoor heat exchanger and a refrigerant port 21, and the second throttle element 260 is coupled to the first port 241 and the other refrigerant port 33 of the indoor heat exchanger.
- the opening degree of the first throttle element 250 is smaller than the opening degree of the second throttle element 260.
- the opening of the second throttle element 260 is smaller than the opening of the first throttle element 250.
- the reversing valve 130 includes a first port 132, a second port 133, and a third port 134.
- the first port 132 communicates with the control port 215, the second port 133 communicates with the first port 221, and the third port 134 communicates with the fourth port 224. .
- the first port 132 can selectively communicate with the second port 133 or the third port 134 such that the control port 215 can selectively communicate with the first valve port 221 or the fourth valve port 224, the control port 215 and the fourth valve port 224
- the compressor 210 operates in the single cylinder mode, and when the control port 215 is in communication with the first valve port 221, the compressor 210 operates in the two cylinder mode.
- the compressor 210 can be switched in the single cylinder mode and the two cylinder mode according to working conditions, and the flasher 100 can supplement the air to the compressor 210 to improve the overall working condition of the air conditioning system 200.
- the refrigerant flows through the first throttle element 250, the flasher 100, and the second throttle element 260, and the opening degree of the first throttle element 250 is smaller than the opening degree of the second throttle element 260.
- the air conditioning system 200 is heating, the refrigerant flows through the second throttle element 260, the flasher 100, and the first throttle element 250, and the opening of the second throttle element 260 is smaller than the opening degree of the first throttle element 250.
- the opening of the throttling device upstream of the flasher 100 is smaller than the opening of the throttling device downstream of the flasher 100, so that the pressure of the refrigerant can be decreased more before the refrigerant flows into the flasher 100, and the flow into the flasher is increased.
- the refrigerant in the gas phase of 100 enables the flasher 100 to separate a plurality of gaseous refrigerants and transfer them to the gas supply port 213.
- the reversing valve 130 is a solenoid valve for communicating the first port 132 and the second port 133 when the power is off, and communicating the first port 132 and the third port 134 when energized.
- the solenoid valve is configured to communicate the first port 132 and the second port 133 when energized, and to communicate the first port 132 and the third port 134 when the power is off.
- the reversing valve 130 is easily controlled to make the compressor 210 easy to switch between the single cylinder mode and the two cylinder mode.
- the reversing valve is a pressure control valve for communicating the first port 132 and the second port 133 under the action of the first pressure, and communicating the first port 132 with the second pressure.
- the pressure acting on the pressure control valve can be used to control the movement of the spool of the pressure control valve, the first pressure can be greater than the second pressure, and the first pressure can also be less than the second pressure.
- reversing valve 130 is not limited to the above-exemplified solenoid valve and pressure control valve, and may be any switchably connected to the first port 132 and the second port 133, the first port 132 and the third port 134. Reversing valve 130.
- the first throttle element 250 and the second throttle element 260 can both be electronic expansion valves.
- the first throttle element 250 and the second throttle element 260 can be used to adjust the pressure of the refrigerant flowing through the heat exchangers (230, 240) and the flasher 100, and by adjusting the first throttle element 250 and the second section
- the opening of the flow element 260 is such that the amount of gas supplied to the compressor 210 by the flasher 100 is within a reasonable range.
- the first throttle element 250 is an electronic expansion valve and the second throttle element 260 is one of a refrigeration spool, a heating spool, a capillary, and a thermal expansion valve.
- the opening degree of the first throttle element 250 can be adjusted such that the opening degree of the first throttle element 250 is smaller than the opening degree of the second throttle element 260 during the refrigeration cycle, and the opening degree of the first throttle element 250 It is larger than the opening degree of the second throttle element 260 during the heating cycle.
- the second throttle element 260 is an electronic expansion valve
- the first throttle element 250 is one of a refrigeration spool, a heating spool, a capillary, and a thermal expansion valve.
- the opening degree of the second throttle element 260 can be adjusted such that the opening degree of the second throttle element 260 is greater than the opening degree of the first throttle element 250 during the refrigeration cycle, and the opening degree of the second throttle element 260 It is smaller than the opening degree of the first throttle element 250 during the heating cycle.
- the first valve port 221 of the reversing assembly 220 is electrically connected to the second valve port 222 and the fourth valve port 224 and the third valve port 223 are electrically connected.
- the flow direction of the refrigerant is as follows: the high temperature and high pressure refrigerant discharged from the exhaust port 212 of the compressor 210 enters the outdoor heat exchange through the first valve port 221 and the second valve port 222 of the reversing assembly 220.
- the condenser 230 is condensed, and the refrigerant is exchanged in the outdoor heat exchanger 230 from the outdoor environment and then discharged from the second port 232 of the outdoor heat exchanger 230.
- the discharged liquid phase refrigerant is then depressurized by the throttling of the first throttling element 250, and the throttled gas-liquid two-phase refrigerant enters the flasher 100 from the first refrigerant port 21 and is subjected to gas-liquid separation in the flasher 100.
- the gaseous refrigerant separated from the flasher 100 flows from the gas outlet 41 through the gas supply port 213 to the compressor 210, and after being compressed, is discharged from the exhaust port 212 of the compressor 210 to continue the circulation.
- the liquid refrigerant separated from the flasher 100 flows out of the refrigerant port 33, and then the refrigerant is throttled and depressurized by the second throttle element 260, and then enters the indoor heat exchanger 240.
- the refrigerant undergoes heat exchange with the indoor environment in the indoor heat exchanger 240 to undergo phase change, and cools the indoor environment.
- the gas phase refrigerant discharged from the indoor heat exchanger 240 passes through the third valve port 223 and the fourth valve of the reversing assembly 220.
- the port 224 is further introduced into the compressor 210 from the first intake port 211 and the second intake port 214 to complete the refrigeration cycle.
- the first valve port 221 and the third valve port 223 of the reversing assembly 220 are conductive and the fourth valve port 224 is electrically connected to the second valve port 222.
- the flow direction of the refrigerant is as follows: the high temperature and high pressure gaseous refrigerant discharged from the exhaust port 212 of the compressor 210 enters the room through the first valve port 221 and the third valve port 223 of the reversing assembly 220.
- the high-temperature and high-pressure refrigerant in the indoor heat exchanger 240 is phase-changed with the indoor environment to heat the indoor environment.
- the liquid phase refrigerant discharged from the indoor heat exchanger 240 is throttled for the first time by the second throttle element 260, and the throttled gas-liquid two-phase mixed refrigerant enters the flasher 100, and the flasher 100 performs gas-liquid on the refrigerant. Separation.
- the gaseous refrigerant separated from the flasher 100 flows from the gas outlet 41 through the gas supply port 213 to the compressor 210, and is compressed and discharged from the exhaust port 212 of the compressor 210 to continue the circulation.
- the liquid refrigerant separated from the flasher 100 flows out of the refrigerant port 21, is secondarily throttled and depressurized by the first throttle element 250, and then enters the outdoor heat exchanger 230, and the refrigerant evaporative heat exchange in the outdoor heat exchanger 230 Thereafter, the second valve port 222 and the fourth valve port 224 of the reversing unit 220 are introduced into the compressor 210 from the first intake port 211 and the second intake port 214 to complete the heating cycle.
- the refrigerant flowing from the control port 215 may be the back pressure provided for the second cylinder 217, that is, the pressure of the refrigerant discharged from the second cylinder 217 along with the control port 215
- the refrigerant pressure increases and increases, and as the refrigerant pressure of the control port 215 decreases, the refrigerant flowing to the control port 215 may not flow into the second cylinder 217.
- the control port 215 communicates with the fourth port 224
- the fourth port 224 communicates with the second port 214, that is, It is said that the refrigerant pressure of the control port 215 is equal to the refrigerant pressure of the second intake port 214.
- the compressor 210 does not need to compress the refrigerant flowing back from the second intake port 214, and the refrigerant entering the second cylinder 217 from the second intake port 214 is directly discharged from the second cylinder 217, that is, the second cylinder 217. Without participating in compression, compressor 210 operates in a single cylinder mode.
- the control port 215 communicates with the first valve port 221 , that is, the refrigerant pressure of the control port 215 is equal to the refrigerant pressure of the exhaust port 212 .
- the second suction port 214 is in communication with the fourth valve port 224, and the refrigerant pressure of the fourth valve port 224 is smaller than the refrigerant pressure of the exhaust port 212, that is, flowing back from the second suction port 214 to the second cylinder 217.
- the refrigerant pressure is less than the refrigerant pressure of the control port 215.
- the refrigerant of the second cylinder 217 needs to be compressed by the compressor 210 to flow out of the second cylinder 217, that is, the second cylinder 217 participates in compression, and the compressor 210 operates in the two-cylinder mode.
- the compressor 210 can operate in a single cylinder mode or a two cylinder mode to improve the cooling and heating capacity of the air conditioning system 200.
- the air conditioning system 200 further includes a sensing component 270 and a controller 280.
- Detection element 270 is used to detect the frequency of compressor 210.
- the controller 280 is configured to control the first port 132 to communicate with the third port 134 to operate the compressor 210 in the single cylinder mode when the frequency is less than the preset first frequency threshold; and to use the frequency greater than or equal to the preset number
- the two frequency thresholds control the first port 132 to communicate with the second port 133 to operate the compressor in the two cylinder mode.
- an air conditioning system 200 includes a compressor 210, a reversing assembly 220, an outdoor heat exchanger 230, an indoor heat exchanger 240, a flasher 100, an electrically controlled heat exchanger 290, And the reversing valve 130.
- the compressor 210 can operate in a single cylinder mode or a two cylinder mode.
- the compressor 210 is formed with a first intake port 211, an exhaust port 212, a gas supply port 213, a second intake port 214, and a control port 215.
- the compressor 210 includes a first cylinder 216 and a second cylinder 217.
- the first intake port 211 communicates with the first cylinder 216
- the second intake port 214 communicates with the second cylinder 217.
- the reversing assembly 220 includes a first valve port 221, a second valve port 222, a third valve port 223, and a fourth valve port 224.
- the first valve port 221 can selectively communicate with the second valve port 222 or the third valve port 223, and the fourth valve port 224 can selectively communicate with the second valve port 222 or the third valve port 223.
- the first valve port 221 communicates with the exhaust port 212, and the fourth valve port 224 communicates with the first air inlet 211 and the second air inlet 214.
- the control port 215 can selectively communicate with the first valve port 221 or the fourth valve port 224. .
- the first port 231 of the outdoor heat exchanger communicates with the second valve port 222
- the second port 232 of the outdoor heat exchanger communicates with the first port 241 of the indoor heat exchanger
- the second port 242 of the indoor heat exchanger communicates with the third port port 223.
- the flasher 100 includes two refrigerant ports (a first refrigerant port 21, a second refrigerant port 33) and an air outlet 41.
- the two refrigerant ports (21, 33) respectively exchange heat with the second port 232 of the outdoor heat exchanger and the room.
- the first port 241 of the device is in communication, and the air outlet 41 is in communication with the air supply port 213.
- the electrically controlled heat exchanger 290 is used to exchange heat for the electronic control components of the air conditioning system 200, and the electrically controlled heat exchanger 290 is in communication with a refrigerant port (21, 33).
- the reversing valve 130 includes a first port 132, a second port 133 and a third port 134.
- the first port 132 communicates with the control port 215, the second port 133 communicates with the first valve port 221, and the third port 134 communicates with the fourth port port 224. .
- the first port 132 can selectively communicate with the second port 133 or the third port 134 such that the control port 215 can selectively communicate with the first valve port 221 or the fourth valve port 224, the control port 215 and the fourth valve port 224
- the compressor 210 operates in the single cylinder mode, and when the control port 215 is in communication with the first valve port 221, the compressor 210 operates in the two cylinder mode.
- the compressor 210 can be switched in the single cylinder mode and the two cylinder mode according to working conditions, and the flasher 100 can supplement the air to the compressor 210 to improve the overall working condition of the air conditioning system 200.
- the cooling and heating capacity of the air conditioning system 200 is simultaneously cooled by the refrigerant connected to the electronically controlled heat exchanger 290, and the heat dissipation effect of the electronic control component is good, thereby improving the stability of the operation of the air conditioning system 200.
- the electronic control component of the air conditioning system 200 includes a frequency converter, and the electronic control component can be used to change the frequency at which the compressor 210 operates, the rotational speed of the heat dissipation fan, etc., and the electronic control component generates a large amount of heat during operation and the temperature rises, and the electronic control Excessive temperature of the components will reduce the accuracy of the control of the electronic components, and even increase the risk of ignition of the electronic components.
- the electrically controlled heat exchanger 290 reduces the temperature of the electronic control unit by transmitting the refrigerant and causing the refrigerant to undergo a phase change and absorb heat in the electronically controlled heat exchanger 290, thereby improving the stability of the operation of the electronic control unit.
- the reversing valve 130 is a solenoid valve for communicating the first port 132 and the second port 133 when the power is off, and communicating the first port 132 and the third port 134 when energized.
- the solenoid valve is configured to communicate the first port 132 and the second port 133 when energized, and to communicate the first port 132 and the third port 134 when the power is off.
- the reversing valve 130 is easily controlled to make the compressor 210 easy to switch between the single cylinder mode and the two cylinder mode.
- the reversing valve is a pressure control valve for communicating the first port 132 and the second port 133 under the action of the first pressure, and communicating the first port 132 with the second pressure.
- the pressure acting on the pressure control valve can be used to control the movement of the spool of the pressure control valve, the first pressure can be greater than the second pressure, and the first pressure can also be less than the second pressure.
- reversing valve 130 is not limited to the above-exemplified solenoid valve and pressure control valve, and may be any switchably connected to the first port 132 and the second port 133, the first port 132 and the third port 134. Reversing valve 130.
- the air conditioning system 200 further includes a first throttle element 250 and a second throttle element 260 .
- the first throttle element 250 is coupled to the second port 232 of the outdoor heat exchanger and one of the refrigerant ports 21, and the second throttle element 260 is coupled to the first port 241 and the other refrigerant port 33 of the indoor heat exchanger.
- first throttle element 250 and second throttle element 260 can both be electronic expansion valves.
- the first throttle element 250 and the second throttle element 260 can be used to adjust the pressure of the refrigerant flowing through the heat exchangers (230, 240) and the flasher 100, and by adjusting the first throttle element 250 and the second section
- the opening of the flow element 260 is such that the amount of gas supplied to the compressor 210 by the flasher 100 is within a reasonable range.
- an electrically controlled heat exchanger 290 is coupled between the first throttle element 250 and the flasher 100.
- electrically controlled heat exchanger 290 is coupled between second throttle element 260 and flasher 100.
- the refrigerant passing through the electrically controlled heat exchanger 290 passes through only one throttling element (the first throttling element 250 or the second throttling element 260), and is electronically controlled.
- the temperature in the heat exchanger 290 is not too low, and condensed water can be effectively prevented from forming on the surface of the electrically controlled heat exchanger 290.
- the flow direction of the refrigerant is as follows: the high temperature and high pressure refrigerant discharged from the exhaust port 212 of the compressor 210 enters the outdoor heat exchange through the first valve port 221 and the second valve port 222 of the reversing assembly 220.
- the condenser 230 is condensed, and the refrigerant is exchanged in the outdoor heat exchanger 230 from the outdoor environment and then discharged from the second port 232 of the outdoor heat exchanger 230.
- the discharged liquid refrigerant passes through the throttling and depressurization of the first throttle element 250, and the throttled refrigerant passes through the electronically controlled heat exchanger 290, and the gas-liquid two-phase refrigerant passing through the electronically controlled heat exchanger 290 passes from the first refrigerant port. 21 enters the flasher 100 and performs gas-liquid separation within the flasher 100.
- the gaseous refrigerant separated from the flasher 100 flows from the gas outlet 41 through the gas supply port 213 to the compressor 210, and after being compressed, is discharged from the exhaust port 212 of the compressor 210 to continue the circulation.
- the liquid refrigerant separated from the flasher 100 flows out of the refrigerant port 33, and then the refrigerant is throttled and depressurized by the second throttle element 260, and then enters the indoor heat exchanger 240.
- the refrigerant undergoes heat exchange with the indoor environment in the indoor heat exchanger 240 to undergo phase change, and cools the indoor environment.
- the gas phase refrigerant discharged from the indoor heat exchanger 240 passes through the third valve port 223 and the fourth valve of the reversing assembly 220.
- the port 224 is further introduced into the compressor 210 from the first intake port 211 and the second intake port 214 to complete the refrigeration cycle.
- the flow direction of the refrigerant is as follows: the high temperature and high pressure gaseous refrigerant discharged from the exhaust port 212 of the compressor 210 enters the room through the first valve port 221 and the third valve port 223 of the reversing assembly 220.
- the high-temperature and high-pressure refrigerant in the indoor heat exchanger 240 is phase-changed with the indoor environment to heat the indoor environment.
- the liquid phase refrigerant discharged from the indoor heat exchanger 240 is throttled for the first time by the second throttle element 260, and the throttled refrigerant passes through the electronically controlled heat exchanger 290 and passes through the gas-liquid two phase of the electronically controlled heat exchanger 290.
- the mixed refrigerant enters the flasher 100, and the flasher 100 performs gas-liquid separation of the refrigerant.
- the gaseous refrigerant separated from the flasher 100 flows from the gas outlet port 41 through the gas supply port 213 to the compressor 210, and is compressed and discharged from the exhaust port 212 of the compressor 210 to continue the cycle.
- the liquid refrigerant separated from the flasher 100 flows out of the refrigerant port 21, is secondarily throttled and depressurized by the first throttle element 250, and then enters the outdoor heat exchanger 230, and the refrigerant evaporative heat exchange in the outdoor heat exchanger 230 Thereafter, the second valve port 222 and the fourth valve port 224 of the reversing unit 220 are introduced into the compressor 210 from the first intake port 211 and the second intake port 214 to complete the heating cycle.
- the refrigerant flowing from the control port 215 may be the back pressure provided for the second cylinder 217, that is, the pressure of the refrigerant discharged from the second cylinder 217 along with the control port 215
- the refrigerant pressure increases and increases, and as the refrigerant pressure of the control port 215 decreases, the refrigerant flowing to the control port 215 may not flow into the second cylinder 217.
- the control port 215 communicates with the fourth port 224
- the fourth port 224 communicates with the second port 214, that is, It is said that the refrigerant pressure of the control port 215 is equal to the refrigerant pressure of the second intake port 214.
- the compressor 210 does not need to compress the refrigerant flowing back from the second intake port 214, and the refrigerant entering the second cylinder 217 from the second intake port 214 is directly discharged from the second cylinder 217, that is, the second cylinder 217. Without participating in compression, compressor 210 operates in a single cylinder mode.
- the control port 215 communicates with the first valve port 221 , that is, the refrigerant pressure of the control port 215 is equal to the refrigerant pressure of the exhaust port 212 .
- the second suction port 214 is in communication with the fourth valve port 224, and the refrigerant pressure of the fourth valve port 224 is smaller than the refrigerant pressure of the exhaust port 212, that is, flowing back from the second suction port 214 to the second cylinder 217.
- the refrigerant pressure is less than the refrigerant pressure of the control port 215.
- the refrigerant of the second cylinder 217 needs to be compressed by the compressor 210 to flow out of the second cylinder 217, that is, the second cylinder 217 participates in compression, and the compressor 210 operates in the two-cylinder mode.
- the compressor 210 can operate in a single cylinder mode or a two cylinder mode to improve the cooling and heating capacity of the air conditioning system 200.
- the air conditioning system 200 further includes a sensing component 270 and a controller 280.
- Detection element 270 is used to detect the frequency of compressor 210.
- the controller 280 is configured to control the first port 132 to communicate with the third port 134 to operate the compressor 210 in the single cylinder mode when the frequency is less than the preset first frequency threshold; and to use the frequency greater than or equal to the preset number
- the two frequency thresholds control the first port 132 to communicate with the second port 133 to operate the compressor in the two cylinder mode.
- a method for controlling an air conditioning system 200 includes the following steps:
- control method of the air conditioning system 200 as shown in FIG. 5 can be applied to the air conditioning system 200 of any of the above embodiments.
- the control method of the air conditioning system 200 by detecting the frequency of the compressor 210, when the frequency is greater than the second frequency threshold, the compressor 210 is operated in the two-cylinder mode, and the air conditioning system 200 is improved in rapid heating and rapid cooling. ability.
- the frequency is less than the first frequency threshold, the compressor 210 is operated in the two-cylinder mode, and the air conditioning system 200 is more energy efficient.
- the first frequency threshold is less than or equal to the second frequency threshold. That is, the frequency at which the compressor 210 operates in the two-cylinder mode is greater than the frequency at which the compressor 210 operates in the single-cylinder mode.
- the first frequency threshold may be 33 Hz, 25 Hz, 20 Hz, etc.
- the second frequency threshold may be 47 Hz, 50 Hz, 52 Hz, etc.
- the first frequency threshold and the second frequency threshold may be according to the compressor 210 Make a choice of kind.
- the flasher 100 includes a barrel 10 , a first refrigerant tube 20 , a second refrigerant tube 30 , and an outlet tube 40 .
- the first refrigerant pipe 20, the second refrigerant pipe 30, and the air outlet pipe 40 both extend into the cylinder 10.
- the cylinder 10 is formed with a housing chamber 11.
- the air outlet pipe 40, the first refrigerant pipe 20, and the second refrigerant pipe 30 both extend into the receiving cavity 11.
- the cylinder 10 can be made of, for example, a corrosion-resistant material such as copper.
- the cylinder 10 has a cylindrical shape.
- the cylindrical body 10 may have other shapes such as a square tube shape.
- the cylinder 10 is formed with a through hole 15 for the air outlet pipe 40, the first refrigerant pipe 20 and the second refrigerant pipe 30 to protrude into the receiving cavity 11.
- the periphery of the perforation 15 is sealed with the air outlet pipe 40, the first refrigerant pipe 20, and the second refrigerant pipe 30 to prevent leakage of refrigerant in the cylinder 10.
- the first refrigerant pipe 20 has a cylindrical shape, and the first refrigerant pipe 20 is made of, for example, a corrosion-resistant material such as copper.
- the first refrigerant tube 20 has a cylindrical shape. It can be understood that in other embodiments, the first refrigerant tube 20 may have other shapes such as a square tube shape.
- the first refrigerant pipe 20 extends from the bottom end 12 of the cylinder 10 into the receiving cavity 11.
- the axial direction of the first refrigerant pipe 20 is parallel or coincident with the axial direction of the cylinder 10.
- the first refrigerant pipe 20 is formed with a first refrigerant port 21 and a first refrigerant inlet 22.
- the first refrigerant port 21 is located outside the receiving cavity 11
- the first refrigerant inlet 22 is located in the receiving cavity 11 .
- the first refrigerant inlet 22 communicates with the receiving chamber 11 and the first refrigerant port 21.
- the gaseous refrigerant After the gas-liquid two-state refrigerant enters the accommodating chamber 11 from the first refrigerant port 21 through the first refrigerant inlet 22, the gaseous refrigerant is separated from the liquid refrigerant.
- the liquid refrigerant is located at the bottom of the cylinder 10, and the gaseous refrigerant is located at the top of the cylinder 10.
- the first refrigerant inlet 22 is opened in the side wall of the first refrigerant pipe 20, and the first refrigerant inlets 22 are divided into a plurality of groups, and the plurality of sets of the first refrigerant inlets 22 are evenly spaced along the axial direction of the first refrigerant pipe 20.
- the plurality of sets of first refrigerant inlets 22 allow the refrigerant to quickly enter the containment chamber 11.
- the number of the first refrigerant inlets 22 of each group is plural, and the plurality of first refrigerant inlets 22 of the same group are disposed along the circumferential interval of the first refrigerant tubes 20.
- the plurality of first refrigerant inlets 22 of the same group are evenly spaced along the circumferential direction of the first refrigerant pipe 20. It will be appreciated that in other embodiments, the number of first refrigerant inlets 22 per group may be a single.
- the second refrigerant pipe 30 has a cylindrical shape, and the second refrigerant pipe 30 is made of, for example, a corrosion-resistant material such as copper.
- the second refrigerant tube 30 has a cylindrical shape. It can be understood that in other embodiments, the second refrigerant tube 30 may have other shapes such as a square tube shape.
- the second refrigerant pipe 30 projects into the receiving chamber 11 from the side wall 13 of the cylinder 10, and the projecting end 31 of the second refrigerant pipe 30 is adjacent to the bottom end 12 of the cylinder 10.
- the second refrigerant tube 30 extends from the bottom end 12 of the barrel 10 into the receiving chamber 11.
- the second refrigerant pipe 30 is formed with a second refrigerant inlet 32 and a second refrigerant port 33.
- the second refrigerant inlet 32 is located in the housing chamber 11.
- the second refrigerant port 33 is located outside the housing chamber 11.
- the second refrigerant inlet 32 communicates with the receiving chamber 11 and the second refrigerant port 33. In this manner, the liquid refrigerant in the cylinder 10 can enter the second refrigerant pipe 30 from the second refrigerant inlet 32 and be discharged from the second refrigerant port 33 to the outside of the housing chamber 11.
- the number of the second refrigerant inlets 32 is plural, and the plurality of second refrigerant inlets 32 are evenly spaced along the circumferential direction of the second refrigerant tubes 30.
- the refrigerant may flow into the accommodating chamber 11 from the first refrigerant port 21, and then sequentially flow through the first refrigerant inlet 22, the second refrigerant inlet 32, and the second refrigerant port 33, and then flow out to the outside of the accommodating chamber 11.
- the refrigerant may flow into the housing chamber 11 from the second refrigerant port 33, and then sequentially pass through the second refrigerant inlet 32, the first refrigerant inlet 22, and the first refrigerant port 21, and then flow out to the outside of the housing chamber 11.
- the outlet pipe 40 has a cylindrical shape, and the outlet pipe 40 is made of, for example, a corrosion-resistant material such as copper.
- the air outlet pipe 40 extends from the top end 14 of the cylinder 10 into the receiving cavity 11.
- gas at the top of the barrel 10 can enter the outlet tube 40 to flow out of the containment chamber 11.
- the axial direction of the air outlet pipe 40 is parallel or coincident with the axial direction of the cylinder 10 such that the air outlet pipe 40 easily projects into the receiving cavity 11.
- the depth D1 at which the air outlet pipe 40 projects into the receiving cavity 11 is 1/3-1/2 of the depth D2 of the receiving cavity 11. This facilitates the entry of gas in the containment chamber 11 into the outlet pipe 40.
- the air outlet pipe 40 is formed with an air outlet 41, and the air outlet 41 is located outside the receiving cavity 11.
- a plurality of sets of intake holes 43 are defined in the side wall 42 of the air outlet pipe 40.
- the plurality of sets of intake holes 43 are located in the receiving cavity 11, and the plurality of sets of intake holes 43 are spaced along the axial direction of the air outlet pipe 40, and each set of intake holes 43 is arranged.
- the air outlet 41 and the receiving cavity 11 are connected. In this way, the gas (gaseous refrigerant) in the receiving chamber 11 can quickly flow out of the receiving chamber 11 to reduce the air pressure of the receiving chamber 11, thereby improving the gas-liquid separation effect of the flasher 100.
- the plurality of sets of intake holes 43 can increase the area of the gas in the receiving chamber 11 into the air outlet tube 40, so that the flow rate of the gas entering the air outlet tube 40 can be increased, and the gas in the receiving chamber 11 flows out, and is accommodated.
- the air pressure in the chamber 11 is reduced, and the gas in the refrigerant liquid located in the housing chamber 11 is separated from the refrigerant liquid, thereby improving the gas-liquid separation effect of the flasher 100.
- the plurality of sets of intake holes 43 are evenly spaced along the axial direction of the outlet pipe 40. That is to say, the distance between any two adjacent sets of intake holes 43 is equal.
- the air inlet apertures 43 are circular, it being understood that in other embodiments, the air intake apertures 43 may be polygonal or fan shaped or square shaped.
- the number of each set of intake holes 43 is plural, and the plurality of intake holes 43 of the same set are distributed along the circumferential direction of the outlet pipe 40.
- the plurality of intake holes 43 of the same group are evenly spaced along the circumferential direction of the air outlet duct 40. In this way, more air inlet holes 43 can be formed in the air outlet pipe 40 to increase the flow rate of the gas in the receiving cavity 11 into the air outlet pipe 40. It will be appreciated that in other embodiments, the number of intake holes 43 per set may be a single.
- the air conditioning system 200 includes an air conditioning outdoor unit 102 that includes a housing 110 and a flasher 100 .
- the flasher 100 is disposed within the housing 110.
- the flasher 100 is fixed to the housing 110 by a first damper element 120.
- the first damper element 120 can absorb the vibration of the flasher 100, thereby reducing the noise formed by the flasher 100 and improving the user experience.
- the housing 110 includes a chassis 112 and side plates 114.
- the side plate 114 is coupled to the chassis 112.
- the first damper element 120 is fixed to the chassis 112, and the flasher 100 is fixed to the first damper element 120. This facilitates the mounting of the first damper element 120 and the flasher 100.
- the first damper member 120 is fixed to the chassis 112, for example, by bonding, and is fixed to the chassis 112 by fasteners such as screws.
- the first cushioning element 120 is a first rubber block 120. It can be understood that in other embodiments, the first damper element 120 can be an elastic element such as a spring.
- the first rubber block 120 has a rectangular parallelepiped. It can be understood that in other embodiments, the first rubber block 120 may have other shapes such as a truncated cone shape or a cylindrical shape.
- the first rubber block 120 is provided with a clamping groove 122 that clamps the flasher 100 to fix the flasher 100 on the first rubber block 120.
- the clip slot 122 facilitates the disassembly of the flasher 100. It should be noted that clamping the flasher 100 by the clip slot 122 means that the flasher 100 does not move relative to the first rubber block 120 when the air conditioner outdoor unit 102 vibrates.
- the clip groove 122 clamps the first refrigerant tube 20.
- the pinch tank 122 is facilitated to tighten the first refrigerant pipe 20 to fix the flasher 100 to the first rubber block 120.
- the number of the clamping grooves 122 is two, and the two clamping grooves 122 are respectively clamped.
- the first refrigerant pipe 20 and the second refrigerant pipe 30 are tight. This can further prevent the flasher 100 from moving relative to the first rubber block 120.
- each of the clamping slots 122 is formed with a first clamping opening 124 and a second clamping opening 126.
- the first refrigerant tube 20 and the second refrigerant tube 30 pass through the corresponding first clamping opening 124 and the second clamping opening 126 to
- the second refrigerant pipe 30 and the second refrigerant pipe 30 are partially located in the first rubber block 120 such that the clamping groove 122 can clamp the first refrigerant pipe 20 and the second refrigerant pipe 30.
- the air conditioner outdoor unit 102 further includes a reversing valve 130 that is fixed to the housing 110 by the second damper member 140.
- the second damper element 140 can absorb the vibration of the directional valve 130, thereby reducing the noise formed by the directional valve 130, improving the user experience.
- the reversing valve 130 such as the electromagnetic reversing valve 130, facilitates control of the operation of the diverter valve 130.
- the housing 110 includes a partition 116 that spaces the space enclosed by the side panels 114.
- the second damper element 140 is fixed to the partition 116.
- the reversing valve 130 is fixed to the second damper member 140.
- the partition 116 can provide a larger location for the second cushioning element 140 to be installed.
- the second cushioning element 140 includes a second rubber block 140. It can be understood that in other embodiments, the second damper element 140 can be an elastic element such as a spring.
- the second rubber block 140 is provided with a mounting groove 141 .
- the reversing valve 130 includes a valve body 131 , and the valve body 131 is at least partially received in the mounting groove 141 .
- the mounting groove 141 allows the connection area of the reversing valve 130 and the second rubber block 140 to be large, which is advantageous for the installation of the reversing valve 130.
- the valve body 131 is partially received in the mounting groove 141.
- the shape and size of the valve body 131 match the shape and size of the mounting groove 141.
- the valve body 131 has a cylindrical shape, and the inner surface of the mounting groove 141 has a circular arc shape to match the outer shape of the valve body 131. It can be understood that the size of the mounting groove 141 is slightly larger than the size of the mounting groove 141, so that the valve body 131 can be installed in the mounting groove 141.
- the diverter valve 130 is secured to the second rubber block 140 by strapping the valve body 131 and the second rubber block 140.
- the manner in which the switching valve 130 is fixed is simple, and the switching valve 130 is easily detached from the second rubber block 140.
- the second rubber block 140 is provided with a groove 142 which is located in the radial direction of the valve body 131.
- the strap 150 passes through the groove 142 and bundles the valve body 131 in the circumferential direction of the valve body 131.
- the slotted slot 142 can define movement of the strap 150 such that the diverter valve 130 is more stable on the second rubber block 140.
- the number of straps 150 is two, and the two straps 150 are spaced apart along the axial direction of the valve body 131.
- first and second are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated.
- features defining “first” or “second” may include at least one of the features, either explicitly or implicitly.
- a plurality means at least two, for example two, three, unless specifically defined otherwise.
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Abstract
Description
Claims (20)
- 一种空调系统,其特征在于包括:An air conditioning system characterized by comprising:压缩机,所述压缩机能够工作在单缸模式或双缸模式,所述压缩机形成有第一吸气口、第二吸气口、补气口、控制口和排气口,所述压缩机包括第一气缸和第二气缸,所述第一吸气口连通所述第一气缸,所述第二吸气口连通所述第二气缸;a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, a second intake port, a gas supply port, a control port, and an exhaust port, the compressor The first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;换向组件,所述换向组件包括第一阀口、第二阀口、第三阀口和第四阀口,所述第一阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第四阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第一阀口连通所述排气口,所述第四阀口连通所述第一吸气口和所述第二吸气口,所述控制口能够选择性地连通所述第一阀口或所述第四阀口;a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;室外换热器和室内换热器,所述室外换热器的第一端口连通所述第二阀口,所述室外换热器的第二端口连通所述室内换热器的第一端口,所述室内换热器的第二端口连通所述第三阀口;An outdoor heat exchanger and an indoor heat exchanger, wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger The second port of the indoor heat exchanger is connected to the third valve port;闪蒸器,所述闪蒸器包括两个冷媒口和出气口,所述两个冷媒口分别与所述室外换热器的第二端口和所述室内换热器的第一端口连通,所述出气口与所述补气口连通;a flasher, the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;节流装置,所述节流装置包括第一节流元件和第二节流元件,所述第一节流元件连接所述室外换热器的第二端口和其中一个所述冷媒口,所述第二节流元件连接所述室内换热器的第一端口和另一个所述冷媒口,所述空调系统在制冷时,所述一节流元件的开度小于所述第二节流元件的开度,所述空调系统在制热时,所述第二节流元件的开度小于所述第一节流元件的开度;和a throttle device comprising a first throttle element and a second throttle element, the first throttle element connecting a second port of the outdoor heat exchanger and one of the refrigerant ports, a second throttle element is connected to the first port of the indoor heat exchanger and the other of the refrigerant ports, and when the air conditioning system is cooled, the opening of the throttle element is smaller than that of the second throttle element The opening degree, when the air conditioning system is heating, the opening degree of the second throttle element is smaller than the opening degree of the first throttle element; and换向阀,所述换向阀包括第一口、第二口和第三口,所述第一口连通所述控制口,所述第二口连通所述第一阀口,所述第三口连通所述第四阀口,所述第一口能够选择性地连通所述第二口或所述第三口,从而使得所述控制口能够选择性地连通所述第一阀口或所述第四阀口,所述控制口与所述第四阀口连通时,所述压缩机工作在所述单缸模式,所述控制口与所述第一阀口连通时,所述压缩机工作在所述双缸模式。a reversing valve, the reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode.
- 根据权利要求1所述的空调系统,其特征在于,所述换向阀为电磁阀,所述电磁阀用于在断电时连通所述第一口与所述第二口,在通电时连通所述第一口与所述第三口;或The air conditioning system according to claim 1, wherein the reversing valve is a solenoid valve for communicating the first port and the second port when the power is off, and is connected when energized The first port and the third port; or所述电磁阀用于在通电时连通所述第一口与所述第二口,在断电时连通所述一口与所述第三口。The solenoid valve is configured to communicate the first port and the second port when energized, and communicate the one port and the third port when the power is off.
- 根据权利要求1所述的空调系统,其特征在于,所述换向阀为压力控制阀,所述压力控制阀用于在第一压力作用下连通所述第一口与所述第二口,在第二压力作用下连通所述第一口与所述第三口,所述第一压力大于所述第二压力。The air conditioning system according to claim 1, wherein the reversing valve is a pressure control valve, and the pressure control valve is configured to communicate the first port and the second port under a first pressure. The first port and the third port are connected under a second pressure, and the first pressure is greater than the second pressure.
- 根据权利要求1所述的空调系统,其特征在于,所述空调系统还包括:The air conditioning system according to claim 1, wherein the air conditioning system further comprises:检测元件,所述检测元件用于检测所述压缩机的频率;和a detecting element for detecting a frequency of the compressor; and控制器,所述控制器用于在所述频率小于预设的第一频率阈值时控制所述第一口与所述第三口连通以使所述压缩机工作在所述单缸模式;及用于在所述频率大于或等于预设的第二频率阈值时控制所述第一与所述第二口连通以使所述压缩机工作在所述双缸模式。a controller, configured to control the first port to communicate with the third port to operate the compressor in the single cylinder mode when the frequency is less than a preset first frequency threshold; The first and second ports are controlled to communicate to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
- 根据权利要求4所述的空调系统,其特征在于,所述第一频率阈值小于或等于所述第二频率阈值。The air conditioning system of claim 4 wherein said first frequency threshold is less than or equal to said second frequency threshold.
- 根据权利要求1所述的空调系统,其特征在于,所述第一节流元件和所述第二节流元件均为电子膨胀阀。The air conditioning system of claim 1 wherein said first throttle element and said second throttle element are both electronic expansion valves.
- 根据权利要求1所述的空调系统,其特征在于,所述第一节流元件为电子膨胀阀,所述第二节流元件为制冷阀芯、制热阀芯、毛细管和热力膨胀阀中的一种;或The air conditioning system according to claim 1, wherein said first throttle element is an electronic expansion valve, and said second throttle element is a refrigerant valve core, a heating valve core, a capillary tube, and a thermal expansion valve. One; or所述第二节流元件为电子膨胀阀,所述第一节流元件为制冷阀芯、制热阀芯、毛细管和热力膨胀阀中的一种。The second throttle element is an electronic expansion valve, and the first throttle element is one of a refrigeration valve core, a heating valve core, a capillary tube, and a thermal expansion valve.
- 根据权利要求1所述的空调系统,其特征在于,所述空调系统包括空调室外机,所述空调室外机包括壳体,所述闪蒸器设置在所述壳体内,所述闪蒸器通过第一减震元件固定在所述壳体上。The air conditioning system according to claim 1, wherein the air conditioning system comprises an air conditioner outdoor unit, the air conditioner outdoor unit includes a housing, the flasher is disposed in the housing, and the flasher passes the first A damping element is fixed to the housing.
- 根据权利要求1所述的空调系统,其特征在于,所述空调系统包括空调室外机,所述空调室外机包括壳体,所述换向阀设置在所述壳体内,所述换向阀通过第二减震元件固定在所述壳体上。The air conditioning system according to claim 1, wherein the air conditioning system comprises an air conditioner outdoor unit, the air conditioner outdoor unit includes a housing, the reversing valve is disposed in the housing, and the reversing valve passes The second damper element is fixed to the housing.
- 一种空调系统的控制方法,其特征在于,所述空调系统包括:A method for controlling an air conditioning system, characterized in that the air conditioning system comprises:压缩机,所述压缩机能够工作在单缸模式或双缸模式,所述压缩机形成有第一吸气口、排气口、第二吸气口、补气口和控制口,所述压缩机包括第一气缸和第二气缸,所述第一吸气口连通所述第一气缸,所述第二吸气口连通所述第二气缸;a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, an exhaust port, a second intake port, a gas supply port, and a control port, the compressor The first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;换向组件,所述换向组件包括第一阀口、第二阀口、第三阀口和第四阀口,所述第一阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第四阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第一阀口连通所述排气口,所述第四阀口连通所述第一吸气口和所述第二吸气口,所述控制口能够选择地连通所述第一阀口或所述第四阀口;a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;室外换热器和室内换热器,所述室外换热器的第一端口连通所述第二阀口,所述室外换热器的第二端口连通所述室内换热器的第一端口,所述室内换热器的第二端口连通所述第三阀口;An outdoor heat exchanger and an indoor heat exchanger, wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger The second port of the indoor heat exchanger is connected to the third valve port;闪蒸器,所述闪蒸器包括两个冷媒口和出气口,所述两个冷媒口分别与所述室外换热器的第二端口和所述室内换热器的第一端口连通,所述出气口与所述补气口连通;a flasher, the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;节流装置,所述节流装置包括第一节流元件和第二节流元件,所述第一节流元件连接 所述室外换热器的第二端口和其中一个所述冷媒口,所述第二节流元件连接所述室内换热器的第一端口和另一个所述冷媒口,所述空调系统在制冷时,所述一节流元件的开度小于所述第二节流元件的开度,所述空调系统在制热时,所述第二节流元件的开度小于所述第一节流元件的开度;和a throttle device comprising a first throttle element and a second throttle element, the first throttle element connecting a second port of the outdoor heat exchanger and one of the refrigerant ports, a second throttle element is connected to the first port of the indoor heat exchanger and the other of the refrigerant ports, and when the air conditioning system is cooled, the opening of the throttle element is smaller than that of the second throttle element The opening degree, when the air conditioning system is heating, the opening degree of the second throttle element is smaller than the opening degree of the first throttle element; and换向阀,所述换向阀包括第一口、第二口和第三口,所述第一口连通所述控制口,所述第二口连通所述第一阀口,所述第三口连通所述第四阀口,所述第一口能够选择性地连通所述第二口或所述第三口,从而使得所述控制口能够选择性地连通所述第一阀口或所述第四阀口,所述控制口与所述第四阀口连通时,所述压缩机工作在所述单缸模式,所述控制口与所述第一阀口连通时,所述压缩机工作在所述双缸模式;a reversing valve, the reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode;所述的控制方法包括:The control method includes:检测所述压缩机的频率;Detecting a frequency of the compressor;在所述频率小于预设的第一频率阈值时,控制所述第一口与所述第三口连通以使所述压缩机工作在所述单缸模式;和Controlling the first port to communicate with the third port to operate the compressor in the single cylinder mode when the frequency is less than a preset first frequency threshold; and在所述频率大于或等于预设的第二频率阈值时,控制所述第一与所述第二口连通以使所述压缩机工作在所述双缸模式。The first and second ports are controlled to communicate to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
- 一种空调系统,其特征在于包括:An air conditioning system characterized by comprising:压缩机,所述压缩机能够工作在单缸模式或双缸模式,所述压缩机形成有第一吸气口、第二吸气口、补气口、控制口和排气口,所述压缩机包括第一气缸和第二气缸,所述第一吸气口连通所述第一气缸,所述第二吸气口连通所述第二气缸;a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, a second intake port, a gas supply port, a control port, and an exhaust port, the compressor The first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;换向组件,所述换向组件包括第一阀口、第二阀口、第三阀口和第四阀口,所述第一阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第四阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第一阀口连通所述排气口,所述第四阀口连通所述第一吸气口和所述第二吸气口,所述控制口能够选择性地连通所述第一阀口或所述第四阀口;a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;室外换热器和室内换热器,所述室外换热器的第一端口连通所述第二阀口,所述室外换热器的第二端口连通所述室内换热器的第一端口,所述室内换热器的第二端口连通所述第三阀口;An outdoor heat exchanger and an indoor heat exchanger, wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger The second port of the indoor heat exchanger is connected to the third valve port;闪蒸器,所述闪蒸器包括两个冷媒口和出气口,所述两个冷媒口分别与所述室外换热器的第二端口和所述室内换热器的第一端口连通,所述出气口与所述补气口连通;a flasher, the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;电控换热器,所述电控换热器用于给所述空调系统的电控部件换热,所述电控换热器与一个所述冷媒口连通;和An electrically controlled heat exchanger for exchanging heat of an electrically controlled component of the air conditioning system, the electrically controlled heat exchanger being in communication with one of the refrigerant ports;换向阀,所述换向阀包括第一口、第二口和第三口,所述第一口连通所述控制口,所述第二口连通所述第一阀口,所述第三口连通所述第四阀口,所述第一口能够选择性地连 通所述第二口或所述第三口,从而使得所述控制口能够选择性地连通所述第一阀口或所述第四阀口,所述控制口与所述第四阀口连通时,所述压缩机工作在所述单缸模式,所述控制口与所述第一阀口连通时,所述压缩机工作在所述双缸模式。a reversing valve, the reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode.
- 根据权利要求11所述的空调系统,其特征在于,所述换向阀为电磁阀,所述电磁阀用于在断电时连通所述第一口与所述第二口,在通电时连通所述第一口与所述第三口;或The air conditioning system according to claim 11, wherein the reversing valve is a solenoid valve for communicating the first port and the second port when the power is off, and is connected when energized The first port and the third port; or所述电磁阀用于在通电时连通所述第一口与所述第二口,在断电时连通所述第一口与所述第三口。The solenoid valve is configured to communicate the first port and the second port when energized, and communicate the first port and the third port when the power is off.
- 根据权利要求11所述的空调系统,其特征在于,所述换向阀为压力控制阀,所述压力控制阀用于在第一压力作用下连通所述第一口与所述第二口,在第二压力作用下连通所述第一口与所述第三口,所述第一压力大于所述第二压力。The air conditioning system according to claim 11, wherein the reversing valve is a pressure control valve, and the pressure control valve is configured to communicate the first port and the second port under a first pressure, The first port and the third port are connected under a second pressure, and the first pressure is greater than the second pressure.
- 根据权利要求11所述的空调系统,其特征在于,所述空调系统还包括:The air conditioning system according to claim 11, wherein the air conditioning system further comprises:检测元件,所述检测元件用于检测所述压缩机的频率;和a detecting element for detecting a frequency of the compressor; and控制器,所述控制器用于在所述频率小于预设的第一频率阈值时控制所述第一口与所述第三口连通以使所述压缩机工作在所述单缸模式;及用于在所述频率大于或等于预设的第二频率阈值时控制所述第一与所述第二口连通以使所述压缩机工作在所述双缸模式。a controller, configured to control the first port to communicate with the third port to operate the compressor in the single cylinder mode when the frequency is less than a preset first frequency threshold; The first and second ports are controlled to communicate to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
- 根据权利要求14所述的空调系统,其特征在于,所述第一频率阈值小于或等于所述第二频率阈值。The air conditioning system of claim 14 wherein said first frequency threshold is less than or equal to said second frequency threshold.
- 根据权利要求11所述的空调系统,其特征在于,所述空调系统还包括第一节流元件和第二节流元件,所述第一节流元件连接所述室外换热器的第二端口和其中一个所述冷媒口,所述第二节流元件连接所述室内换热器的第一端口和另一个所述冷媒口。The air conditioning system according to claim 11, wherein said air conditioning system further comprises a first throttle element and a second throttle element, said first throttle element being coupled to a second port of said outdoor heat exchanger And one of the refrigerant ports, the second throttle element connecting the first port of the indoor heat exchanger and the other of the refrigerant ports.
- 根据权利要求16所述的空调系统,其特征在于,所述电控换热器连接在所述第一节流元件与所述闪蒸器之间,或所述电控换热器连接在所述第二节流元件与所述闪蒸器之间。The air conditioning system according to claim 16, wherein said electrically controlled heat exchanger is coupled between said first throttle element and said flasher, or said electrically controlled heat exchanger is coupled to said Between the second throttle element and the flasher.
- 根据权利要求11所述的空调系统,其特征在于,所述空调系统包括空调室外机,所述空调室外机包括壳体,所述闪蒸器设置在所述壳体内,所述闪蒸器通过第一减震元件固定在所述壳体上。The air conditioning system according to claim 11, wherein the air conditioning system comprises an air conditioner outdoor unit, the air conditioner outdoor unit includes a housing, the flasher is disposed in the housing, and the flasher passes the first A damping element is fixed to the housing.
- 根据权利要求11所述的空调系统,其特征在于,所述空调系统包括空调室外机,所述空调室外机包括壳体,所述换向阀设置在所述壳体内,所述换向阀通过第二减震元件固定在所述壳体上。The air conditioning system according to claim 11, wherein the air conditioning system comprises an air conditioner outdoor unit, the air conditioner outdoor unit includes a housing, the reversing valve is disposed in the housing, and the reversing valve passes The second damper element is fixed to the housing.
- 一种空调系统的控制方法,其特征在于,所述空调系统包括:A method for controlling an air conditioning system, characterized in that the air conditioning system comprises:压缩机,所述压缩机能够工作在单缸模式或双缸模式,所述压缩机形成有第一吸气口、 排气口、第二吸气口、补气口和控制口,所述压缩机包括第一气缸和第二气缸,所述第一吸气口连通所述第一气缸,所述第二吸气口连通所述第二气缸;a compressor capable of operating in a single cylinder mode or a two cylinder mode, the compressor being formed with a first intake port, an exhaust port, a second intake port, a gas supply port, and a control port, the compressor The first cylinder and the second cylinder are included, the first air inlet is connected to the first cylinder, and the second air inlet is connected to the second cylinder;换向组件,所述换向组件包括第一阀口、第二阀口、第三阀口和第四阀口,所述第一阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第四阀口能够选择性地连通所述第二阀口或所述第三阀口,所述第一阀口连通所述排气口,所述第四阀口连通所述第一吸气口和所述第二吸气口,所述控制口能够选择地连通所述第一阀口或所述第四阀口;a reversing assembly including a first valve port, a second valve port, a third valve port, and a fourth valve port, the first valve port being capable of selectively communicating with the second valve port or the a third valve port, the fourth valve port is capable of selectively communicating with the second valve port or the third valve port, the first valve port is connected to the exhaust port, and the fourth valve port is connected The first suction port and the second suction port, the control port can selectively communicate with the first valve port or the fourth valve port;室外换热器和室内换热器,所述室外换热器的第一端口连通所述第二阀口,所述室外换热器的第二端口连通所述室内换热器的第一端口,所述室内换热器的第二端口连通所述第三阀口;An outdoor heat exchanger and an indoor heat exchanger, wherein a first port of the outdoor heat exchanger communicates with the second valve port, and a second port of the outdoor heat exchanger communicates with the first port of the indoor heat exchanger The second port of the indoor heat exchanger is connected to the third valve port;闪蒸器,所述闪蒸器包括两个冷媒口和出气口,所述两个冷媒口分别与所述室外换热器的第二端口和所述室内换热器的第一端口连通,所述出气口与所述补气口连通;a flasher, the flasher comprising two refrigerant ports and an air outlet, the two refrigerant ports respectively communicating with a second port of the outdoor heat exchanger and a first port of the indoor heat exchanger, the outlet a gas port is connected to the gas supply port;电控换热器,所述电控换热器用于给所述空调系统的电控部件换热,所述电控换热器与一个所述冷媒口连通;和An electrically controlled heat exchanger for exchanging heat of an electrically controlled component of the air conditioning system, the electrically controlled heat exchanger being in communication with one of the refrigerant ports;换向阀,所述换向阀包括第一口、第二口和第三口,所述第一口连通所述控制口,所述第二口连通所述第一阀口,所述第三口连通所述第四阀口,所述第一口能够选择性地连通所述第二口或所述第三口,从而使得所述控制口能够选择性地连通所述第一阀口或所述第四阀口,所述控制口与所述第四阀口连通时,所述压缩机工作在所述单缸模式,所述控制口与所述第一阀口连通时,所述压缩机工作在所述双缸模式;a reversing valve, the reversing valve comprising a first port, a second port and a third port, wherein the first port communicates with the control port, the second port communicates with the first valve port, the third port a port communicating with the fourth valve port, the first port being capable of selectively communicating the second port or the third port, such that the control port can selectively communicate with the first valve port or a fourth valve port, when the control port is in communication with the fourth valve port, the compressor operates in the single cylinder mode, and when the control port is in communication with the first valve port, the compressor Working in the two-cylinder mode;所述的控制方法包括:The control method includes:检测所述压缩机的频率;Detecting a frequency of the compressor;在所述频率小于预设的第一频率阈值时,控制所述第一口与所述第三口连通以使所述压缩机工作在所述单缸模式;和Controlling the first port to communicate with the third port to operate the compressor in the single cylinder mode when the frequency is less than a preset first frequency threshold; and在所述频率大于或等于预设的第二频率阈值时,控制所述第一口与所述第二口连通以使所述压缩机工作在所述双缸模式。The first port is controlled to communicate with the second port to operate the compressor in the two-cylinder mode when the frequency is greater than or equal to a preset second frequency threshold.
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN110836417A (en) * | 2019-11-18 | 2020-02-25 | 珠海格力电器股份有限公司 | Air conditioner and air conditioner control method |
CN113465220A (en) * | 2021-07-06 | 2021-10-01 | 珠海格力电器股份有限公司 | Refrigerating system and control method |
CN115654609A (en) * | 2022-10-13 | 2023-01-31 | 珠海格力电器股份有限公司 | Dust removal control method, device and unit |
Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1590769A (en) * | 2003-09-02 | 2005-03-09 | 东芝开利株式会社 | Air conditioner |
JP2011117309A (en) * | 2009-11-30 | 2011-06-16 | Toshiba Carrier Corp | Rotary compressor and refrigerating cycle device |
CN103968460A (en) * | 2014-05-16 | 2014-08-06 | 珠海格力电器股份有限公司 | Air conditioning system |
CN105180372A (en) * | 2015-09-29 | 2015-12-23 | Tcl空调器(中山)有限公司 | Method and device for controlling air conditioner |
CN105890081A (en) * | 2016-04-06 | 2016-08-24 | 广东美的制冷设备有限公司 | Air conditioner system and control method of air conditioner system |
EP3091311A1 (en) * | 2013-12-24 | 2016-11-09 | Gree Electric Appliances, Inc. of Zhuhai | Air-conditioning system and method for controlling same |
US20170191716A1 (en) * | 2015-12-31 | 2017-07-06 | Thermo King Corporation | Controlling temperature using an unloader manifold |
CN107246684A (en) * | 2017-06-30 | 2017-10-13 | 广东美的制冷设备有限公司 | The control method of air-conditioning system and air-conditioning system |
-
2017
- 2017-12-22 WO PCT/CN2017/117887 patent/WO2019000868A1/en active Application Filing
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1590769A (en) * | 2003-09-02 | 2005-03-09 | 东芝开利株式会社 | Air conditioner |
JP2011117309A (en) * | 2009-11-30 | 2011-06-16 | Toshiba Carrier Corp | Rotary compressor and refrigerating cycle device |
EP3091311A1 (en) * | 2013-12-24 | 2016-11-09 | Gree Electric Appliances, Inc. of Zhuhai | Air-conditioning system and method for controlling same |
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