WO2022222587A1 - 空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机 - Google Patents

空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机 Download PDF

Info

Publication number
WO2022222587A1
WO2022222587A1 PCT/CN2022/076585 CN2022076585W WO2022222587A1 WO 2022222587 A1 WO2022222587 A1 WO 2022222587A1 CN 2022076585 W CN2022076585 W CN 2022076585W WO 2022222587 A1 WO2022222587 A1 WO 2022222587A1
Authority
WO
WIPO (PCT)
Prior art keywords
compressor
air conditioner
air
gaseous refrigerant
heat exchanger
Prior art date
Application number
PCT/CN2022/076585
Other languages
English (en)
French (fr)
Inventor
陈可兄
Original Assignee
芜湖美智空调设备有限公司
广东美的制冷设备有限公司
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 CN202110439818.3A external-priority patent/CN115218556A/zh
Priority claimed from CN202110440651.2A external-priority patent/CN115218362A/zh
Application filed by 芜湖美智空调设备有限公司, 广东美的制冷设备有限公司 filed Critical 芜湖美智空调设备有限公司
Publication of WO2022222587A1 publication Critical patent/WO2022222587A1/zh

Links

Images

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
    • F24F11/62—Control or safety arrangements characterised by the type of control or by internal processing, e.g. using fuzzy logic, adaptive control or estimation of values
    • F24F11/63—Electronic processing
    • F24F11/64—Electronic processing using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • 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
    • F25B31/00—Compressor 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
    • F25B41/00—Fluid-circulation arrangements

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 storage medium, and a compressor used for the air conditioner.
  • the compressor extracts and compresses the gaseous refrigerant from the indoor evaporator and sends it to the outdoor condenser.
  • the gaseous refrigerant is cooled and condensed into liquid refrigerant, and then the liquid refrigerant flows from the outdoor condenser to the indoor evaporator.
  • the liquid refrigerant absorbs a large amount of heat in the indoor air and then turns into a gaseous state, and so on.
  • liquid refrigerant enters the compressor in the refrigeration system, and the compressor is compressed with liquid, which causes the compressor to be damaged.
  • the main purpose of the present application is to propose an air supply control method for an air conditioner, an air conditioner, a storage medium and a compressor for an air conditioner, which aims to solve the problem of making heating under the condition of low ambient temperature in the prior art.
  • the thermal effect is poor, and the compressor in the refrigeration system is compressed with liquid, which leads to the technical problem of damage.
  • the present application provides a method for controlling air supply for an air conditioner
  • the air conditioner includes: a phase separator and a compressor, the phase separator includes a gaseous refrigerant outlet, and the compressor includes a compressor air return port , the gaseous refrigerant outlet is communicated with the air return port of the compressor;
  • the air supplement control method of the air conditioner includes the following steps:
  • phase separator is controlled to separate the gaseous refrigerant and the liquid refrigerant produced in the process of evaporative heat exchange;
  • phase separator is controlled to deliver the separated gaseous refrigerant to the compressor air return port through the gaseous refrigerant outlet.
  • the air conditioner further includes a solenoid valve, and the solenoid valve is disposed between the gaseous refrigerant outlet and the compressor air return port;
  • controlling the phase separator to transport the separated gaseous refrigerant to the air return port of the compressor through the gaseous refrigerant outlet including:
  • the solenoid valve When the current ambient temperature is less than or equal to a preset temperature threshold, the solenoid valve is controlled to be electrically turned on, so that the phase separator sends the separated gaseous refrigerant to the compressor return port through the gaseous refrigerant outlet .
  • the method when the current mode of the air conditioner is the heating mode, after acquiring the current ambient temperature, the method further includes:
  • the solenoid valve When the current ambient temperature is greater than a preset temperature threshold, the solenoid valve is controlled to be powered off and closed, so as to block the gaseous refrigerant separated by the phase separator.
  • the compressor includes a compressor return pipe, the compressor return pipe is provided with the compressor return port, and the gaseous refrigerant outlet and the compressor return port are connected through a first pipeline. connected;
  • the controlling of the phase separator to transport the separated gaseous refrigerant to the air return port of the compressor through the gaseous refrigerant outlet includes:
  • the phase separator is controlled to deliver the separated gaseous refrigerant from the gaseous refrigerant outlet to the first pipeline, and the separated gaseous refrigerant is delivered to the compressor return port through the first pipeline.
  • the air conditioner further includes a heat exchanger, and the phase separator further includes a liquid refrigerant outlet;
  • the method further includes:
  • phase separator controlling the phase separator to transport the separated liquid refrigerant to the inlet of the heat exchanger through the liquid refrigerant outlet;
  • the compressor is controlled to compress the gaseous refrigerant to be compressed.
  • liquid refrigerant outlet is communicated with the inlet of the heat exchanger through a second pipeline
  • the controlling of the phase separator to transport the separated liquid refrigerant to the inlet of the heat exchanger through the liquid refrigerant outlet includes:
  • the phase separator further comprises a gas-liquid two-phase refrigerant inlet
  • the controlling of the phase separator to separate the gaseous refrigerant and the liquid refrigerant generated in the process of evaporative heat exchange when the air conditioner is in an operating state includes:
  • the heat exchanger When the air conditioner is in operation, the heat exchanger is controlled to perform heat exchange, and the gaseous refrigerant and liquid refrigerant generated in the process of evaporative heat exchange are transported to the gas-liquid two-phase through the outlet of the heat exchanger refrigerant inlet;
  • the phase separator is controlled to separate the input gaseous refrigerant and liquid refrigerant.
  • the present application also proposes an air conditioner, the air conditioner includes: a phase separator and a compressor, the phase separator includes a gaseous refrigerant outlet, and the compressor includes a compressor air return port, so The gaseous refrigerant outlet is communicated with the air return port of the compressor; the air conditioner further comprises: a memory, a processor, and an air supplement control program of the air conditioner stored on the memory and running on the processor, so When the air supplement control program of the air conditioner is executed by the processor, the above air supplement control method of the air conditioner is realized.
  • the present application also proposes a storage medium on which an air supplement control program of an air conditioner is stored, and when the air supplement control program of the air conditioner is executed by a processor, the above-mentioned air supply control program is realized.
  • Air conditioner control method Air conditioner control method.
  • a compressor for an air conditioner comprising:
  • the compressor body has an air return port
  • the heating element is arranged on the air return pipe.
  • the heating element is disposed radially outside the air return pipe.
  • the heating element extends helically around at least part of the gas return pipe.
  • the heating element is an electric heating belt.
  • an air conditioner comprising:
  • the compressor body of the compressor further has an exhaust port
  • a four-way valve the four-way valve has a first interface, a second interface, a third interface and a fourth interface, the first interface communicates with one of the second interface and the third interface, the first interface
  • the fourth port is in communication with the other of the second port and the third port, the first port is in communication with the exhaust port, and the fourth port is in communication with the other end of the air return pipe of the compressor; as well as
  • the indoor heat exchanger and the outdoor heat exchanger communicates with the third interface
  • the second end of the indoor heat exchanger communicates with the third end of the outdoor heat exchanger
  • the fourth end of the outdoor heat exchanger communicates with the second interface.
  • the air conditioner further includes:
  • a low pressure pressure switch is arranged at the air return port of the compressor body in the compressor.
  • the air conditioner further includes:
  • an indoor unit having an indoor fan and the indoor heat exchanger
  • the outdoor unit has an outdoor fan and the outdoor heat exchanger.
  • the air-supply control method for an air conditioner proposed in the present application controls the phase separator of the air conditioner to separate the gaseous refrigerant and the liquid refrigerant generated in the process of evaporative heat exchange when the air conditioner is in the running state, and in the current mode of the air conditioner In the heating mode, the current ambient temperature is obtained, and when the current ambient temperature is less than or equal to the preset temperature threshold, the phase separator is controlled to transport the separated gaseous refrigerant to the air return port of the compressor through the gaseous refrigerant outlet, so as not to increase a large amount.
  • the suction pressure of the air conditioner system is increased, the circulation volume of the system is increased, and the gas-liquid two-phase separation can effectively reduce the system resistance, thereby Extend the frosting cycle, increase the heating capacity, and achieve a better heating effect.
  • FIG. 1 is a schematic structural diagram of an air conditioner of a hardware operating environment involved in a solution according to an embodiment of the present application
  • FIG. 2 is a schematic flowchart of the first embodiment of the air supply control method for the air conditioner of the application
  • FIG. 3 is a schematic diagram of an air conditioner system according to an embodiment of an air supplement control method for an air conditioner of the present application
  • FIG. 4 is a schematic flowchart of a second embodiment of the air supply control method for the air conditioner of the present application.
  • FIG. 5 is a schematic flowchart of a third embodiment of the air supply control method for the air conditioner of the application.
  • FIG. 6 is a schematic diagram of the functional modules of the first embodiment of the air supply control device for the air conditioner of the application;
  • FIG. 7 is a schematic structural diagram of an embodiment of the compressor of the application.
  • FIG. 8 is a schematic diagram of a cooling state of another embodiment of the air conditioner of the present application.
  • FIG. 9 is a schematic diagram of a heating state of another embodiment of the air conditioner of the present application.
  • FIG. 10 is a schematic flowchart of a first embodiment of a control method for an air conditioner of the present application
  • FIG. 11 is a schematic flowchart of a second embodiment of the control method for an air conditioner of the present application.
  • FIG. 1 is a schematic structural diagram of an air conditioner in a hardware operating environment involved in the solution of the embodiment of the present application.
  • the air conditioner may include: a phase separator and a compressor, the phase separator includes a gaseous refrigerant outlet, the compressor includes a compressor air return port, and the gaseous refrigerant outlet returns to the compressor
  • the air port is connected; the air conditioner may further include: a processor 1001, such as a central processing unit (Central Processing Unit, CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005.
  • the communication bus 1002 is used to realize the connection and communication between these components.
  • the user interface 1003 may include a display screen (Display), an input unit such as a button, and the optional user interface 1003 may also include a standard wired interface and a wireless interface.
  • the network interface 1004 may include a standard wired interface and a wireless interface (eg, a WI-FI interface).
  • the memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or may be a stable memory (non-volatile memory), such as a disk memory.
  • the memory 1005 may also be a storage device independent of the aforementioned processor 1001 .
  • the device structure shown in FIG. 1 does not constitute a limitation on the air conditioner, and may include more or less components than the one shown, or combine some components, or arrange different components.
  • the memory 1005 which is a storage medium, may include an operating system, a network communication module, a user interface module, and an air supply control program of the air conditioner.
  • the network interface 1004 is mainly used to connect to the external network and perform data communication with other network devices;
  • the user interface 1003 is mainly used to connect user equipment and perform data communication with the user equipment;
  • the air supplement control program of the air conditioner stored in the memory 1005 is called by the processor 1001, and the air supplement control method of the air conditioner provided by the embodiment of the present application is executed.
  • FIG. 2 is a schematic flowchart of the first embodiment of the air supply control method for the air conditioner of the present application.
  • the air conditioner includes a phase separator and a compressor, the phase separator includes a gaseous refrigerant outlet, the compressor includes a compressor return port, and the gaseous refrigerant outlet is connected to the compressor.
  • the air return port is connected; the air supplement control method of the air conditioner includes the following steps:
  • step S10 when the air conditioner is in the running state, the phase separator is controlled to separate the gaseous refrigerant and the liquid refrigerant produced in the process of evaporative heat exchange.
  • the executive body of this embodiment may be an air conditioner, such as a cabinet-type air conditioner or a wall-mounted air conditioner, or other types of air conditioners, which are not limited in this embodiment.
  • An air conditioner is used as an example for description.
  • phase separator is added on the basis of the existing air conditioner, and according to the special structure of the phase separator, the gas and liquid phases are separated.
  • the phase separator consists of three interfaces and a body, and the three interfaces are the gas-liquid two-phase refrigerant inlet, the liquid refrigerant outlet, and the gaseous refrigerant outlet.
  • compressor the heart of the air conditioning system, compresses and transports refrigerant
  • four-way valve realizes switching between cooling and heating
  • condenser when cooling As a condenser, it acts as a heat sink for the refrigerant, and as an evaporating end during heating, it absorbs heat from the refrigerant
  • the external fan drives the outdoor air to pass through the heat exchanger to enhance the absorption or release of heat
  • the internal fan Drive the indoor air to pass through the heat exchanger to enhance the absorption or release of heat
  • the phase separator according to its special structure, plays the role of gas and liquid two-phase separation
  • the throttling device the throttling component, plays the role of depressurization and cooling in the system.
  • the air conditioner system in this embodiment includes an indoor side and an outdoor side, wherein the indoor side includes: an evaporator 7 and an indoor fan 3 , and the outdoor side includes: : compressor 1, throttle valve 9, filter 8, heat exchanger 4, outdoor fan 5, phase separator 6, four-way valve 2 and solenoid valve 10.
  • the heat exchanger 4 is specifically set as a condenser, and both the evaporator and the condenser are heat exchangers, and play different roles in the cooling mode and the heating mode respectively.
  • a gaseous refrigerant outlet 63 is communicated with the compressor return port A through the first pipeline G1
  • the liquid refrigerant outlet 62 is communicated with the inlet C of the heat exchanger 4 through the second pipeline G2
  • the gas-liquid two-phase refrigerant inlet 61 is through the third pipeline.
  • G3 communicates with the outlet B of the heat exchanger 4
  • another outlet D of the heat exchanger 4 communicates with the four-way valve 2 .
  • the operating principle of the air conditioner in this embodiment is as follows: when the system is refrigerated, the gaseous refrigerant compressed and discharged by the compressor passes through the four-way valve to the condenser, and after the heat dissipation and condensation process, goes to the throttle valve component for throttling, cooling and cooling. It becomes a low-pressure refrigerant and enters the evaporator for heat absorption and evaporation, and then returns to the compressor through the four-way valve for compression, and the cycle is repeated.
  • the gaseous refrigerant compressed and discharged by the compressor goes through the four-way valve reversing directly to the indoor side for heat dissipation and condensation, and becomes a high-pressure and high-temperature liquid refrigerant, which is throttled through the throttle valve component to become a low-temperature and low-pressure liquid refrigerant, and then to the indoor side.
  • Evaporative heat exchange is performed on the outdoor evaporation side.
  • a phase separator is added at a certain position in the flow path design to separate the gaseous refrigerant generated during the evaporation heat exchange process from the liquid refrigerant.
  • the gaseous refrigerant is directly transported to the compressor return port, and the liquid refrigerant is input. It goes to the inlet of the evaporator for further heat exchange, and then returns to the compressor through the four-way valve for recompression, and the cycle is repeated.
  • FIG. 3 shows the cooling direction of the refrigerant in the cooling mode and the heating direction in the heating mode, wherein the cooling direction and the heating direction are the flow of the refrigerant direction, wherein the refrigerant includes a gaseous refrigerant and a liquid refrigerant, which are respectively different forms of the refrigerant.
  • the heating mode is taken as an example to illustrate, the refrigerant flow direction is: compressor ⁇ four-way valve ⁇ evaporator ⁇ throttle valve ⁇ filter pipe ⁇ condenser ⁇ phase separation
  • the refrigerant is separated by the phase separator to obtain the separated gaseous refrigerant and liquid refrigerant, and the gaseous refrigerant is directly transported to the compressor, and the liquid refrigerant is transferred to the condenser ⁇ four-way valve ⁇ compressor.
  • phase separator when the air conditioner is turned on and running, the phase separator can be controlled to separate the gaseous refrigerant and liquid refrigerant generated during the evaporative heat exchange process to obtain the separated gaseous refrigerant. Refrigerants and liquid refrigerants.
  • Step S20 when the current mode of the air conditioner is the heating mode, obtain the current ambient temperature.
  • the solution in this embodiment is mainly to perform air supplementation during heating under the condition of low ambient temperature, so as to increase the suction pressure, thereby improving the heating effect. Therefore, it is necessary to perform two judgments.
  • determining whether the ambient temperature is low may specifically include: obtaining the current ambient temperature, and comparing the current ambient temperature with a preset temperature threshold to determine whether the ambient temperature is low.
  • the preset temperature threshold may be set by a technician according to actual conditions. For example, the preset temperature threshold may be set to 7° C., or may be set to other values, which is not limited in this embodiment.
  • the current ambient temperature in this embodiment may be the current ambient temperature on the indoor side or the current ambient temperature on the outdoor side, which is not limited in this embodiment.
  • the detection effect is preferably the current ambient temperature on the outdoor side.
  • a temperature sensor may be provided at a suitable place indoors or outdoors in the air conditioner system, and the ambient temperature is detected by the temperature sensor provided in the air conditioner system.
  • an independent temperature sensor can also be set indoors or outdoors, the ambient temperature is detected by the temperature sensor, and the ambient temperature is sent to the controller of the air conditioner through wired or wireless communication, or the Other methods are used to detect the current ambient temperature, which is not limited in this embodiment.
  • Step S30 when the current ambient temperature is less than or equal to a preset temperature threshold, the phase separator is controlled to transport the separated gaseous refrigerant to the compressor return port through the gaseous refrigerant outlet.
  • phase separator can be controlled to pass the separated gaseous refrigerant through the gaseous refrigerant outlet. Delivered to the compressor return port for supplemental air.
  • the gaseous refrigerant separated by the phase separator is delivered to the compressor return port A through the gaseous refrigerant outlet 63 to deliver the gaseous refrigerant to the compressor.
  • the suction capacity of the system becomes lower at a lower heating ambient temperature, the suction pressure will drop, especially in the case of severe frost, the pressure attenuation will be more obvious.
  • the gas and liquid after heat exchange in the condenser can be separated, wherein the gas part can be controlled by the opening and conduction of the solenoid valve.
  • the solenoid valve is turned Electric conduction, the gaseous refrigerant directly returns to the air return port of the compressor, thereby increasing the suction pressure of the system and increasing the circulation volume of the system.
  • the gas-liquid two-phase separation can effectively reduce the system resistance, thereby prolonging the frosting period and increasing the heating capacity.
  • the compressor system with supplementary gas needs to add an economizer and a throttling device, the complexity of the system control is increased, and the cost is also increased, and the present application can directly separate the gas to the compressor return port, which can reduce the cost. cost, simplify the system, and achieve the effect of supplementing air to improve heat exchange, effectively solving the original problems.
  • the present application can heat the suction refrigerant by supplementing the gaseous refrigerant, so as to avoid or reduce the return of the liquid refrigerant to the compressor, resulting in damage to the compressor due to liquid-entrained compression.
  • the suction of the air conditioner system can be improved without increasing the cost and avoiding the liquid refrigerant returning to the compressor and causing damage to the compressor due to liquid compression.
  • the air pressure increases the circulation volume of the system, and the gas-liquid two-phase separation can effectively reduce the resistance of the system, thereby prolonging the frosting cycle, increasing the heating capacity, and achieving a better heating effect.
  • a second embodiment of the air-supply control method for the air conditioner of the present application is proposed.
  • the air conditioner further includes a solenoid valve, and the solenoid valve is set in the gaseous state.
  • the step S30 includes:
  • Step S301 when the current ambient temperature is less than or equal to a preset temperature threshold, the solenoid valve is controlled to be electrically turned on, so that the phase separator transports the separated gaseous refrigerant to the compressor through the gaseous refrigerant outlet. Machine return port.
  • whether to deliver the separated gaseous refrigerant to the compressor return port can be controlled by setting a solenoid valve to control the on-off state of the solenoid valve.
  • the solenoid valve can be arranged on the pipeline between the gaseous refrigerant outlet and the compressor return port.
  • the solenoid valve in this embodiment is turned on when powered on, and closed when powered off.
  • the solenoid valve in this embodiment can adopt any one of a direct-acting solenoid valve, a pilot-operated solenoid valve, a distributed direct-acting solenoid valve, and a distributed direct-acting solenoid valve, and, in addition to the above-mentioned types of solenoid valves
  • other types of solenoid valves may also be included, and a suitable type of solenoid valve may be selected and used by the technician according to the actual air conditioner model or usage scenario, which is not limited in this embodiment.
  • a direct-acting solenoid valve when the power is turned on, the solenoid coil generates an electromagnetic force to lift the closing member from the valve seat, the valve opens, and when the power is off, the electromagnetic force disappears, the spring presses the closing member on the valve seat, and the valve closes .
  • a pilot-operated solenoid valve the electromagnetic force opens the pilot hole when the power is turned on, the pressure in the upper chamber drops rapidly, and a pressure difference between upper and lower sides is formed around the closing member.
  • the spring force closes the pilot hole, the inlet pressure quickly forms a pressure difference around the valve closing member through the bypass hole, and the fluid pressure pushes the closing member to move down to close the valve.
  • the distributed direct-acting solenoid valve includes a small pilot valve and a main valve, which combine the principles of direct-acting and pilot-operating to work. If the pressure difference between the inlet and outlet of the solenoid valve is zero , the solenoid valve coil is energized, and the electromagnetic force directly moves the pilot valve and the closing parts of its main valve upward in turn to open the valve; when the pressure difference between the inlet and outlet of the solenoid valve reaches the solenoid valve starting pressure, the electromagnetic force will lead The pressure in the lower chamber of the small valve and the main valve rises, and the pressure in the upper chamber decreases, so that the closing member of the solenoid main valve is lifted up by the pressure difference and the valve is opened; when the power is off, the small pilot valve uses the spring force or the medium pressure to push the closing member Move down to close the valve.
  • the current mode is the heating mode and the current ambient temperature is less than or equal to the preset temperature threshold, it means that the current situation satisfies the air supply condition, and the solenoid valve can be controlled to conduct electricity, so that the phase separator will separate out the air.
  • the gaseous refrigerant is transported to the return air port of the compressor through the gaseous refrigerant outlet.
  • a user uses an air conditioner for heating when it is cold in winter, the air conditioner is turned on to enter a running state, and the air conditioner is controlled to enter a heating mode.
  • the current outdoor ambient temperature is 5°C
  • the current ambient temperature can be compared with the preset temperature threshold. It can be known that if 5°C is less than 7°C, the current ambient temperature is less than or equal to the preset temperature threshold.
  • the solenoid valve is controlled to be electrically turned on, so that the gaseous refrigerant can be delivered to the compressor through the gaseous refrigerant outlet and the compressor return port, so as to achieve the effect of supplementing air and increase the suction pressure of the system under low ambient temperature. , increase the heat exchange, and then improve the user experience effect.
  • step S20 in order not to affect the normal operation of the air conditioner and avoid energy loss, also include:
  • Step S302 when the current ambient temperature is greater than a preset temperature threshold, the solenoid valve is controlled to be powered off and closed, so as to block the gaseous refrigerant separated by the phase separator.
  • the solenoid valve can be controlled to be powered off and closed. In this case, the refrigerant between the gaseous refrigerant outlet and the compressor return port cannot be conducted, so the gaseous refrigerant will not be transmitted to the compressor through the gaseous refrigerant outlet and the compressor return port. , in order to achieve the effect of blocking the gaseous refrigerant separated by the phase separator, so that the separated gaseous refrigerant cannot be input into the compressor, thus avoiding the loss of energy.
  • a user uses an air conditioner for heating when it is cold in winter, the air conditioner is turned on to enter a running state, and the air conditioner is controlled to enter a heating mode.
  • the air conditioner is turned on to enter a running state, and the air conditioner is controlled to enter a heating mode.
  • the current outdoor ambient temperature is 10°C
  • 10°C is greater than 7°C, that is, the condition that the current ambient temperature is greater than the preset temperature threshold is satisfied.
  • the electromagnetic control The valve is powered off and closed to block the gaseous refrigerant separated by the phase separator, so that the gaseous refrigerant cannot be transmitted to the return port of the compressor, so that the gaseous refrigerant cannot be input into the compressor.
  • the compressor includes a compressor return pipe, and the compressor return pipe can also be provided with a compressor return port, and the gaseous refrigerant outlet and the compressor return port are communicated through a first pipeline; the control phase separator will separate the separated air.
  • the gaseous refrigerant is delivered to the compressor return port through the gaseous refrigerant outlet, including:
  • the phase separator is controlled to transport the separated gaseous refrigerant from the gaseous refrigerant outlet to the first pipeline, and the separated gaseous refrigerant is transported to the compressor return port through the first pipeline.
  • the compressor return port A is provided on the compressor return pipe, and the compressor return pipe is directly connected to the compressor, so that after the gaseous refrigerant is transmitted to the compressor return port, it can pass through the compressor.
  • the air return pipe of the compressor is transmitted to the compressor, and since the gaseous refrigerant has been separated from the liquid refrigerant in advance, the gaseous refrigerant input into the compressor will not contain liquid, which avoids the occurrence of liquid in the air conditioner system during operation. If the compressor is damaged due to compression, it has a better protection effect on the compressor.
  • the air return pipe of the compressor in this embodiment can be a return air pipe of various types, sizes and materials, which can be selected by the technician according to the actual situation.
  • the air return pipe of the compressor can be a copper pipe or an alloy pipe, etc.
  • the type of the air return pipe of the compressor may be a U-shaped pipe or a straight pipe, etc., which is not limited in this embodiment.
  • this embodiment does not limit the specific arrangement position of the compressor air return pipe. In order to achieve better effects, this embodiment preferably sets the compressor air return pipe at a place closer to the compressor.
  • the solenoid valve can be arranged on the first pipeline between the gaseous refrigerant outlet of the phase separator and the compressor return air outlet of the compressor return pipeline, specifically can be arranged in the middle of the first pipeline, or can be arranged on the first pipeline. In the place where the middle of the first pipeline is biased towards the gaseous refrigerant outlet, it can also be arranged at the place where the middle of the first pipeline is biased towards the air return port of the compressor, and it can also be arranged at other places in the first pipeline, which can be selected according to the actual situation. In some special cases, the solenoid valve can also be arranged in the first pipeline near the outlet of the gaseous refrigerant, and can also be arranged in the first pipeline near the air return port of the compressor, which is limited in this embodiment.
  • the type, size and material of the first pipeline in this embodiment may be the same as or different from the engine return pipe, or some of the same parts may be different, which can be selected by technicians according to actual use requirements. This embodiment There is no restriction on this.
  • a solenoid valve is set between the gaseous refrigerant outlet of the phase separator and the compressor return port of the compressor, and the state of the separated gaseous refrigerant is controlled by the solenoid valve, so that the power of the solenoid valve can be switched on and off by controlling the solenoid valve.
  • the phase separator also includes a gas-liquid two-phase refrigerant inlet, and the gas-liquid two-phase refrigerant inlet is communicated with the outlet of the heat exchanger;
  • the step S10 includes:
  • Step S101 when the air conditioner is in the running state, control the heat exchanger to perform heat exchange heat treatment, and deliver the gaseous refrigerant and liquid refrigerant generated in the process of evaporative heat exchange to the gaseous refrigerant through the outlet of the heat exchanger. Liquid two-phase refrigerant inlet.
  • the air conditioner in this embodiment further includes a heat exchanger, wherein the heat exchanger referred to here in this embodiment may specifically be a condenser, and the condenser is respectively in the cooling mode and the heating mode of the air conditioner. It plays a different role. It acts as a condenser during cooling to dissipate heat from the refrigerant, and as an evaporating end during heating, it absorbs heat from the refrigerant.
  • the heat exchanger can be controlled to perform evaporative heat exchange, and the phase separator receives gaseous refrigerant and liquid refrigerant generated during the evaporative heat exchange through the gas-liquid two-phase refrigerant inlet.
  • the heat exchanger can be a condenser, and the condenser will generate gaseous refrigerant during the process of evaporating and exchanging the liquid refrigerant, and the condenser can pass through the outlet B of the heat exchanger to evaporate the refrigerant.
  • the gaseous refrigerant and liquid refrigerant generated during the heat exchange process are discharged and transferred to the gas-liquid two-phase refrigerant inlet through the third pipeline G3 between the condenser outlet B and the gas-liquid two-phase refrigerant inlet 61.
  • the gaseous refrigerant and liquid refrigerant produced in the process of evaporative heat exchange can be input into the phase separator.
  • Step S102 controlling the phase separator to separate the input gaseous refrigerant and liquid refrigerant.
  • the phase separator can separate the input gaseous refrigerant and the liquid refrigerant, and can obtain the separated gaseous refrigerant and the liquid refrigerant.
  • the separated gaseous refrigerant can be output through the gaseous refrigerant outlet, and the liquid refrigerant can be outputted through the liquid refrigerant outlet. part.
  • phase separator is also provided with a liquid refrigerant outlet, and the liquid refrigerant outlet is communicated with the inlet of the heat exchanger; when the air conditioner is in an operating state, the phase separator is controlled to control the gaseous refrigerant and the gaseous refrigerant generated during the evaporative heat exchange process.
  • the liquid refrigerant After the liquid refrigerant is separated, it also includes:
  • the phase separator is controlled to transport the separated liquid refrigerant to the inlet of the heat exchanger through the liquid refrigerant outlet;
  • the heat exchanger is controlled to perform heat exchange and heat treatment on the input liquid refrigerant to obtain the gaseous refrigerant to be compressed, and transport the gaseous refrigerant to be compressed to Compressor; control the compressor to compress the gaseous refrigerant to be compressed.
  • the phase separator can be controlled to output the separated liquid refrigerant through the liquid refrigerant outlet, and then transport it through the pipeline to the heat exchanger inlet that communicates with the liquid refrigerant outlet. , to feed the separated liquid refrigerant into the heat exchanger.
  • the heat exchanger can perform evaporative heat exchange on the input liquid refrigerant. After the heat exchange is completed, the gaseous refrigerant to be compressed is obtained, and then the gaseous refrigerant to be compressed is transported to the compressor, and the compressor is controlled to compress the gaseous refrigerant to be compressed. The pressurized high temperature and high pressure gas is obtained for the next cycle.
  • the step of delivering the gaseous refrigerant to be compressed to the compressor may specifically be: outputting the gaseous refrigerant to be compressed through another outlet of the heat exchanger, and conveying the gaseous refrigerant to be compressed through a pipeline. to the four-way valve, and then sent to the compressor after passing through the four-way valve.
  • the gaseous refrigerant to be compressed can be delivered to the compressor by controlling the transmission of the gaseous refrigerant to be compressed to the compressor return port of the compressor return pipe by a four-way valve, or other methods, which are not limited in this embodiment.
  • liquid refrigerant outlet is communicated with the inlet of the heat exchanger through a second pipeline;
  • control phase separator transports the separated liquid refrigerant to the inlet of the heat exchanger through the liquid refrigerant outlet, including:
  • the phase separator is controlled to transport the separated liquid refrigerant from the liquid refrigerant outlet to the second pipeline, and the separated liquid refrigerant is transported to the inlet of the heat exchanger through the second pipeline.
  • the liquid refrigerant outlet of the phase separator is communicated with the inlet of the heat exchanger through a second pipeline, wherein the type, size and material of the second pipeline in this embodiment can be related to the engine or the first pipeline.
  • the paths are the same or different, or some of the same parts are different, which can be selected by the technical personnel according to actual usage requirements, which is not limited in this embodiment.
  • the type, size and material of the second pipeline are preferably the same as those of the first pipeline.
  • the separated liquid refrigerant can be output through the liquid refrigerant outlet 62 and transported to the inlet C of the heat exchanger through the second pipeline G2 , after the heat exchanger performs further heat exchange on the input liquid refrigerant, the gaseous refrigerant to be compressed can be obtained, and the gaseous refrigerant to be compressed can be output through another outlet D of the heat exchanger, and then transmitted to the four-way valve.
  • the through valve transmits the gaseous refrigerant to be compressed to the compressor return port A of the compressor return pipe, so as to input the gaseous refrigerant to be compressed into the compressor, and the compressor compresses the gaseous refrigerant to be compressed to obtain a pressurized high temperature and high pressure gaseous refrigerant. refrigerant, and then the compressor outputs the gaseous refrigerant to the four-way valve for the next cycle.
  • the heat exchanger can be controlled to perform evaporative heat treatment, and the gaseous refrigerant and liquid refrigerant generated in the process of evaporative heat treatment are transported to the gas-liquid phase separator through the outlet of the heat exchanger
  • the two-phase refrigerant inlet is used to input gaseous refrigerant and liquid refrigerant into the phase separator, and control the phase separator to separate the input gaseous refrigerant and liquid refrigerant, and then output the separated gaseous refrigerant and liquid refrigerant from different outlets to carry out
  • Different treatments can be used to supplement air to the compressor of the air conditioner to improve the heating effect, and at the same time, avoid or reduce the problem of liquid refrigerant returning to the compressor and causing liquid compression damage.
  • an embodiment of the present application also proposes a storage medium, where an air supplement control program of an air conditioner is stored on the storage medium, and the air supplement control program of the air conditioner is executed by a processor to realize the above-mentioned air conditioner The steps of the supplemental gas control method.
  • the storage medium adopts all the technical solutions of all the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which will not be repeated here.
  • an embodiment of the present application also proposes an air supplement control device for an air conditioner, and the air supplement control device for the air conditioner includes:
  • the refrigerant separation module 10 is used to control the phase separator to separate the gaseous refrigerant and the liquid refrigerant generated in the process of evaporative heat exchange when the air conditioner is in the running state.
  • phase separator is added on the basis of the existing air conditioner, and according to the special structure of the phase separator, the gas and liquid phases are separated.
  • the phase separator consists of three interfaces and a body, and the three interfaces are the gas-liquid two-phase refrigerant inlet, the liquid refrigerant outlet, and the gaseous refrigerant outlet.
  • compressor the heart of the air conditioning system, compresses and transports refrigerant
  • four-way valve realizes switching between cooling and heating
  • condenser when cooling As a condenser, it acts as a heat sink for the refrigerant, and as an evaporating end during heating, it absorbs heat from the refrigerant
  • the external fan drives the outdoor air to pass through the heat exchanger to enhance the absorption or release of heat
  • the internal fan Drive the indoor air to pass through the heat exchanger to enhance the absorption or release of heat
  • the phase separator according to its special structure, plays the role of gas and liquid two-phase separation
  • the throttling device the throttling component, plays the role of depressurization and cooling in the system.
  • the air conditioner system in this embodiment includes an indoor side and an outdoor side, wherein the indoor side includes: an evaporator 7 and an indoor fan 3 , and the outdoor side includes: : compressor 1, throttle valve 9, filter 8, heat exchanger 4, outdoor fan 5, phase separator 6, four-way valve 2 and solenoid valve 10.
  • the heat exchanger 4 is specifically set as a condenser, and both the evaporator and the condenser are heat exchangers, and play different roles in the cooling mode and the heating mode respectively.
  • a gaseous refrigerant outlet 63 is communicated with the compressor return port A through the first pipeline G1
  • the liquid refrigerant outlet 62 is communicated with the inlet C of the heat exchanger 4 through the second pipeline G2
  • the gas-liquid two-phase refrigerant inlet 61 is through the third pipeline.
  • G3 communicates with the outlet B of the heat exchanger 4
  • another outlet D of the heat exchanger 4 communicates with the four-way valve 2 .
  • the operating principle of the air conditioner in this embodiment is as follows: when the system is refrigerated, the gaseous refrigerant compressed and discharged by the compressor passes through the four-way valve to the condenser, and after the heat dissipation and condensation process, goes to the throttle valve component for throttling, cooling and cooling. It becomes a low-pressure refrigerant and enters the evaporator for heat absorption and evaporation, and then returns to the compressor through the four-way valve for compression, and the cycle is repeated.
  • the gaseous refrigerant compressed and discharged by the compressor goes through the four-way valve reversing directly to the indoor side for heat dissipation and condensation, and becomes a high-pressure and high-temperature liquid refrigerant, which is throttled through the throttle valve component to become a low-temperature and low-pressure liquid refrigerant, and then to the indoor side.
  • Evaporative heat exchange is performed on the outdoor evaporation side.
  • a phase separator is added at a certain position in the flow path design to separate the gaseous refrigerant generated during the evaporation heat exchange process from the liquid refrigerant.
  • the gaseous refrigerant is directly transported to the compressor return port, and the liquid refrigerant is input. It goes to the inlet of the evaporator for further heat exchange, and then returns to the compressor through the four-way valve for recompression, and the cycle is repeated.
  • FIG. 3 shows the cooling direction of the refrigerant in the cooling mode and the heating direction in the heating mode, wherein the cooling direction and the heating direction are the flow of the refrigerant direction, wherein the refrigerant includes a gaseous refrigerant and a liquid refrigerant, which are respectively different forms of the refrigerant.
  • the heating mode is taken as an example to illustrate, the refrigerant flow direction is: compressor ⁇ four-way valve ⁇ evaporator ⁇ throttle valve ⁇ filter pipe ⁇ condenser ⁇ phase separation
  • the refrigerant is separated by the phase separator to obtain the separated gaseous refrigerant and liquid refrigerant, and the gaseous refrigerant is directly transported to the compressor, and the liquid refrigerant is transferred to the condenser ⁇ four-way valve ⁇ compressor.
  • phase separator when the air conditioner is turned on and running, the phase separator can be controlled to separate the gaseous refrigerant and liquid refrigerant generated during the evaporative heat exchange process to obtain the separated gaseous refrigerant. Refrigerants and liquid refrigerants.
  • the ambient temperature module 20 is configured to acquire the current ambient temperature when the current mode of the air conditioner is the heating mode.
  • the solution in this embodiment is mainly to perform air supplementation during heating under the condition of low ambient temperature, so as to increase the suction pressure, thereby improving the heating effect. Therefore, it is necessary to perform two judgments.
  • determining whether the ambient temperature is low may specifically include: obtaining the current ambient temperature, and comparing the current ambient temperature with a preset temperature threshold to determine whether the ambient temperature is low.
  • the preset temperature threshold may be set by a technician according to actual conditions. For example, the preset temperature threshold may be set to 7° C., or may be set to other values, which is not limited in this embodiment.
  • the current ambient temperature in this embodiment may be the current ambient temperature on the indoor side or the current ambient temperature on the outdoor side, which is not limited in this embodiment.
  • the detection effect is preferably the current ambient temperature on the outdoor side.
  • a temperature sensor may be provided at a suitable place indoors or outdoors in the air conditioner system, and the ambient temperature is detected by the temperature sensor provided in the air conditioner system.
  • an independent temperature sensor can also be set indoors or outdoors, the ambient temperature is detected by the temperature sensor, and the ambient temperature is sent to the controller of the air conditioner through wired or wireless communication, or the Other methods are used to detect the current ambient temperature, which is not limited in this embodiment.
  • the supplemental air control module 30 is configured to control the phase separator to deliver the separated gaseous refrigerant to the compressor air return port through the gaseous refrigerant outlet when the current ambient temperature is less than or equal to a preset temperature threshold.
  • phase separator can be controlled to pass the separated gaseous refrigerant through the gaseous refrigerant outlet. Delivered to the compressor return port for supplemental air.
  • the gaseous refrigerant separated by the phase separator is delivered to the compressor return port A through the gaseous refrigerant outlet 63 to deliver the gaseous refrigerant to the compressor.
  • the suction capacity of the system becomes lower at a lower heating ambient temperature, the suction pressure will drop, especially in the case of severe frost, the pressure attenuation will be more obvious.
  • the gas and liquid after heat exchange in the condenser can be separated, wherein the gas part can be controlled by the opening and conduction of the solenoid valve.
  • the solenoid valve is turned Electric conduction, the gaseous refrigerant directly returns to the air return port of the compressor, thereby increasing the suction pressure of the system and increasing the circulation volume of the system.
  • the gas-liquid two-phase separation can effectively reduce the system resistance, thereby prolonging the frosting period and increasing the heating capacity.
  • the compressor system with supplementary gas needs to add an economizer and a throttling device, the complexity of the system control is increased, and the cost is also increased, and the present application can directly separate the gas to the compressor return port, which can reduce the cost. cost, simplify the system, and achieve the effect of supplementing air to improve heat exchange, effectively solving the original problems.
  • the present application can heat the suction refrigerant by supplementing the gaseous refrigerant, so as to avoid or reduce the return of the liquid refrigerant to the compressor, resulting in damage to the compressor due to liquid-entrained compression.
  • the gas-liquid separation is carried out by setting a phase separator, so that the suction of the air conditioner system is improved without increasing the cost and avoiding the liquid refrigerant returning to the compressor and causing damage to the compressor due to liquid compression.
  • the air pressure increases the circulation volume of the system, and the gas-liquid two-phase separation can effectively reduce the resistance of the system, thereby prolonging the frosting cycle, increasing the heating capacity, and achieving a better heating effect.
  • a compressor 1 includes: a compressor body 11 , a gas return pipe 12 and a heating element 13 .
  • the compressor body 11 is the main functional component of the compressor 1 and is used for compressing and transporting refrigerant.
  • the compressor body 11 has an air return port 111 .
  • the refrigerant enters the inside of the compressor body 11 from the air return port 111, and is then compressed and pumped out.
  • One end of the air return pipe 12 is communicated with the air return port 111 , and the other end is open to be connected to the evaporator or the four-way valve 20 in the air conditioner, so as to receive the refrigerant flowing to the compressor 1 .
  • the heating element 13 is disposed on the return pipe 12 to heat the refrigerant flowing through the return pipe 12 to ensure that the liquid refrigerant entering the return pipe 12 is heated into a gaseous state when flowing out of the return pipe 12 and into the return port 111 .
  • the heating element 13 may be any one of a resistance wire, a PTC (Positive Temperature Coefficient, positive temperature coefficient) ceramic element, a semiconductor heating element or a composite heating element, or other equivalent heating elements, which are not limited in this embodiment.
  • the heating element 13 may be disposed inside the air return pipe 12 .
  • the heating element 13 in order to prevent the heating element 13 from contaminating the refrigerant in the pipeline, the heating element 13 may be disposed on the radially outer side of the air return pipe 12 .
  • the heating element 13 can be fixed on the radially outer side wall of the air return pipe 12, or the heating element 13 can also be arranged outside the air return pipe 12 and spaced apart, as long as the heat of the heating element 13 can be transferred to the air return pipe 12. .
  • the heating element 13 may be provided in a sheet shape or a line shape extending along the length direction of the gas return pipe 12 , a ring shape or other shapes sleeved on the radially outer side of the gas return pipe 12 .
  • the heating element 13 extends helically around at least a portion of the gas return pipe 12 .
  • the helical extension of the heating element 13 ensures that the liquid refrigerant in the return pipe 12 is heated to a gaseous state, preventing a small amount of refrigerant far from the heating element 13 from flowing into the compressor body 11 without absorbing heat.
  • the helical heating element 13 can surround the outer side wall of the air return pipe 12 .
  • the heating element 13 can be spirally wound around the entire length of the gas return pipe 12, thereby heating the refrigerant flowing through the gas return pipe 12 in the whole process. 13 can also only spirally wind the part in the gas return pipe 12 to ensure that a small amount of liquid refrigerant in the gaseous refrigerant flowing through the gas return pipe 12 can absorb heat and gasify.
  • the heating element 13 may be configured as an electric heating belt.
  • the electric heating belt is helically wound back to the trachea 12 and arranged.
  • One end of the electric heating belt can be connected with a control device such as a relay to start or stop heating, or adjust the heating temperature by receiving the control command of the controller of the air conditioner.
  • the use of the electric heating belt can facilitate the arrangement of the heating element 13 in the existing air conditioner and ensure the heating effect.
  • the present invention also provides an air conditioner comprising: an outdoor heat exchanger 31 , an indoor heat exchanger 41 and a compressor 1 which are sequentially connected in series through pipelines to form a circulation loop, and the pipelines contain refrigerant.
  • the other end of the air return pipe 12 of the compressor 1 is communicated with the indoor heat exchanger 41 .
  • the air conditioner is a refrigeration system.
  • the outdoor heat exchanger 31 is a condenser
  • the indoor heat exchanger 41 is an evaporator
  • the compressor 1 compresses the gaseous refrigerant in the indoor heat exchanger 41 Then, it is sent to the outdoor heat exchanger 31, where the refrigerant is condensed into a liquid state, and then sent to the indoor heat exchanger 41 along the pipeline, where the refrigerant is vaporized into a gaseous state.
  • the specific structure of the compressor 1 refers to the above-mentioned embodiments. Since the air conditioner adopts all the technical solutions of the above-mentioned embodiments, it has at least all the beneficial effects brought by the technical solutions of the above-mentioned embodiments, which are not listed here. Repeat.
  • the present invention also provides an air conditioner, referring to FIGS. 8 and 9 , the air conditioner includes a compressor 1 , a four-way valve 20 , an indoor heat exchanger 41 and an outdoor heat exchanger 31 .
  • the compressor 1 also has a discharge port 112 .
  • the compressor 1 extracts the gaseous refrigerant from the air return port 111 , and sends it out through the exhaust port 112 after being compressed.
  • the four-way valve 20 has a first port 21 , a second port 22 , a third port 23 and a fourth port 24 , the first port 21 communicates with one of the second port 22 and the third port 23 , and the fourth port 24 communicates with The second port 22 communicates with the other of the third ports 23 , the first port 21 communicates with the exhaust port 112 , and the fourth port 24 communicates with the other end of the air return pipe 12 of the compressor 1 .
  • the first end of the indoor heat exchanger 41 is communicated with the third interface 23
  • the second end of the indoor heat exchanger 41 is communicated with the third end of the outdoor heat exchanger 31
  • the fourth end of the outdoor heat exchanger 31 is communicated with the second interface 22 connected.
  • the air conditioner includes two functions of cooling and heating.
  • the outdoor heat exchanger 31 is a condenser
  • the indoor heat exchanger 41 is an evaporator.
  • the outdoor heat exchanger 31 is an evaporator
  • the indoor heat exchanger 41 is a condenser.
  • the four-way valve 20 has a reversing member, and under the control of the controller of the air conditioner, the four-way valve 20 can be switched between a cooling state and a heating state.
  • the first port 21 is in communication with the second port 22, and the fourth port 24 is in communication with the third port 23, so that when the air conditioner is working, the compressor 1 is compressed and discharged from the exhaust.
  • the gas discharged from the air port 112 is sequentially transported to the condenser through the first interface 21 and the second interface 22 of the four-way valve 20, and after the heat dissipation and condensation process, the gas is throttled, cooled, and depressurized through the throttle valve component to become low-pressure refrigeration.
  • the agent is sent to the evaporator for endothermic evaporation, and then returns to the compressor 1 through the third port 23 and the fourth port 24 of the four-way valve 20 for compression, and the cycle is repeated.
  • the first port 21 is communicated with the third port 23, and the fourth port 24 is communicated with the second port 22, so that when the air conditioner is working, the compressor 1 is compressed from
  • the gas discharged from the exhaust port 112 is sequentially transported to the indoor condenser through the first interface 21 and the third interface 23 of the four-way valve 20, and after heat dissipation and condensation, it becomes a high-pressure high-temperature liquid refrigerant, which is throttled and cooled through the throttle valve component.
  • the refrigerant is depressurized into a low-pressure refrigerant, and then sent to the outdoor evaporator for heat absorption and evaporation, and then returned to the compressor 1 through the second port 22 and the fourth port 24 of the four-way valve 20 for compression, and the cycle is repeated.
  • the air conditioner may have a self-cleaning mode, which sequentially completes self-cleaning through condensation and dew condensation, ice-freezing, heating-high-temperature defrosting, and high-temperature sterilization.
  • the compressor 1 runs at a high frequency for 10 minutes, such as running at 65 Hz.
  • the indoor fan 42 runs at a low wind speed to generate a large amount of condensation water on the indoor heat exchanger 41 .
  • the frosting stage which can last for 10 minutes, and meanwhile, the internal fan 42 is in a stop operation state, so as to promote the condensation water to form frost.
  • the evaporating pressure decreases continuously with the progress of the frosting stage, so that the excessive liquid in the evaporator may directly return to the compressor 1, so that the compressor 1 is compressed with liquid and damaged.
  • the air conditioner since the air conditioner is mainly in the self-cleaning mode in the frosting stage, the fan 42 is shut down, resulting in excessive liquid refrigerant flowing back to the compressor 1, and the heating element 13 can be controlled according to the self-cleaning mode.
  • the controller controls the internal fan 42 to stop, it can simultaneously control the heating element 13 to start heating.
  • the heating element 13 is prevented from being continuously heated and the energy consumption of the air conditioner is reduced, resources are saved, and the use cost of the user is reduced.
  • the air conditioner further includes: an indoor unit having an indoor fan 42 and an indoor heat exchanger 41 ; and an outdoor unit having an outdoor fan 32 and an outdoor heat exchanger 31 .
  • the indoor fan 42 is integrated with the indoor heat exchanger 41 in the indoor unit casing to promote the air flow of the indoor heat exchanger 41 .
  • the outdoor fan 32 is integrated with the outdoor heat exchanger 31 in the outdoor heat exchanger 31 to promote the air flow of the outdoor heat exchanger 31 .
  • the air conditioner further includes a low pressure pressure switch 51 , and the low pressure pressure switch 51 is disposed at the air return port 111 .
  • the air conditioner further includes a low pressure switch 51 and a high pressure switch 52.
  • the low pressure switch 51 is arranged at the air return port 111, and the high pressure switch 52 is arranged at the first Between an interface 21 and the exhaust port 112 .
  • the low pressure switch 51 triggers the low pressure protection to stop the operation of the air conditioner when the pressure in the pipeline decreases.
  • the air conditioner enters a frosting stage that lasts for 10 minutes, the indoor fan 42 is stopped, and the evaporating pressure of the indoor heat exchanger 41 decreases with time. When it is low, it may trigger the low pressure pressure protection switch and cause compressor 1 to stop.
  • the heating element 13 added on the return pipe 12 of the compressor 1 heats the liquid refrigerant flowing through the return pipe 12 to a gaseous state, thereby increasing the pressure in the return pipe 12 of the compressor 1 and preventing the occurrence of low pressure If the pressure is too low, the compressor 1 will be shut down in the protection of the low pressure switch, so as to ensure the normal operation of the self-cleaning mode of the air conditioner, so as to achieve a good self-cleaning effect.
  • FIG. 10 is a schematic flowchart of the first embodiment of the control method for an air conditioner according to the present invention.
  • Step S201 after the air conditioner enters the self-cleaning mode, when the internal fan 42 of the air conditioner is turned off, the heating element 13 is controlled to heat.
  • the compressor 1 After the air conditioner enters the self-cleaning mode, the compressor 1 first runs at a high frequency (for example, set to 65HZ) for 10 minutes. At this time, the indoor fan 42 operates at a low wind speed to make the indoor heat exchanger 41 generate a large amount of condensation water. Then, the internal fan 42 of the air conditioner is actively turned off under the command and control of the controller, that is, it enters the frosting stage of the self-cleaning mode of the air conditioner. At this time, the heating element 13 can be controlled to start heating, so as to prevent excessive liquid refrigerant in the evaporator from flowing back into the compressor 1, so as to prevent the compressor 1 from being damaged due to liquid compression.
  • a high frequency for example, set to 65HZ
  • FIG. 11 is a schematic flowchart of the second embodiment of the air conditioner control method of the present invention. .
  • step S201 it further includes:
  • Step S202 when the internal fan 42 of the air conditioner is turned on, the heating element 13 is controlled to stop heating.
  • the frosting stage ends, and the air conditioner enters the high-temperature defrosting stage.
  • the indoor heat exchanger 41 starts to heat up.
  • the probability of liquid refrigerant entering the compressor 1 is reduced, and the heating element 13 can stop heating to reduce the energy consumption of the air conditioner, save resources, and reduce the use cost of users.

Abstract

本申请涉及空调器技术领域，公开了一种空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机，所述方法包括：在空调器处于运行状态时，控制空调器的相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，在空调器的当前模式为制热模式时，获取当前环境温度，在当前环境温度小于等于预设温度阈值时，控制相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口。

Description

空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机
优先权信息
本申请要求于2021年4月20日申请的、申请号为202110439818.3，以及2021年4月21日申请的、申请号为202110440651.2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，尤其涉及一种空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机。
背景技术
现有空调器中，在环境温度较低条件下制热时，由于吸气压力较低，系统中冷媒量循环效率低，冷媒流速低，导致换热效率变低，制热效果非常低，从而影响空调的舒适性及用户的体验效果。
在制冷系统中，压缩机把气态的制冷剂从室内蒸发器抽取并压缩后送到室外冷凝器中，气态制冷剂冷却凝结成液态制冷剂，然后液态制冷剂从室外冷凝器流至室内蒸发器中，液态制冷剂吸收室内空气中大量的热量后又变成气态，如此循环。但是相关技术中，制冷系统中存在液态制冷剂进入压缩机，压缩机带液压缩导致压缩机损坏的问题。
上述内容仅用于辅助理解本申请的技术方案，并不代表承认上述内容是现有技术。
发明内容
本申请的主要目的在于提出一种空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机，旨在解决现有技术中在环境温度较低条件下制热时，制热效果较差，制冷系统中压缩机带液压缩导致损坏的技术问题。
为实现上述目的，本申请提供一种空调器的补气控制方法，所述空调器包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；所述空调器的补气控制方法包括以下步骤：
在所述空调器处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离；
在所述空调器的当前模式为制热模式时，获取当前环境温度；
在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
在一实施例中，所述空调器还包括电磁阀，所述电磁阀设置在所述气态冷媒出口与所述压缩机回气口之间；
所述在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口，包括：
在所述当前环境温度小于等于预设温度阈值时，控制所述电磁阀上电导通，以使所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
在一实施例中，所述在所述空调器的当前模式为制热模式时，获取当前环境温度之后，还包括：
在所述当前环境温度大于预设温度阈值时，控制所述电磁阀断电关闭，以阻断所述相分离器分离出的气态冷媒。
在一实施例中，所述压缩机包括压缩机回气管，所述压缩机回气管上设置有所述压缩机回气口，所述气态冷媒出口与所述压缩机回气口通过第一管路进行连通；
所述控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口，包括：
控制所述相分离器将分离出的气态冷媒从所述气态冷媒出口输送至所述第一管路，并通过所述第一管路将分离出的气态冷媒输送至所述压缩机回气口。
在一实施例中，所述空调器还包括换热器，所述相分离器还包括液态冷媒出口；
所述在所述空调处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离之后，还包括：
控制所述相分离器将分离出的液态冷媒通过所述液态冷媒出口输送至所述换热器的入口；
控制所述换热器对输入的液态冷媒进行换热处理，得到待压缩气态冷媒，并将所述待压缩气态冷媒输送至所述压缩机；
控制所述压缩机对所述待压缩气态冷媒进行压缩处理。
在一实施例中，所述液态冷媒出口与所述换热器的入口通过第二管路进行连通；
所述控制所述相分离器将分离出的液态冷媒通过所述液态冷媒出口输送至所述换热器的入口，包括：
控制所述相分离器将分离出的液态冷媒从所述液态冷媒出口输送至所述第二管路，并通过所述第二管路将分离出的液态冷媒输送至所述换热器的入口。
在一实施例中，所述相分离器还包括气液两相冷媒入口；
所述在所述空调器处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，包括：
在所述空调器处于运行状态时，控制换热器进行换热处理，并将在蒸发换热过程中产生的气态冷媒和液态冷媒通过所述换热器的出口输送至所述气液两相冷媒入口；
控制所述相分离器对输入的气态冷媒和液态冷媒进行分离。
此外，为实现上述目的，本申请还提出一种空调器，所述空调器包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；所述空调器还包括：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空调器的补气控制程序，所述空调器的补气控制程序被处理器执行时实现如上所述的空调器的补气控制方法。
此外，为实现上述目的，本申请还提出一种存储介质，所述存储介质上存储有空调器的补气控制程序，所述空调器的补气控制程序被处理器执行时实现如上所述的空调器的补气控制方法。
此外，为实现上述目的，本申请还提出一种用于空调器的压缩机，包括：
压缩机本体，所述压缩机本体具有回气口；
回气管，所述回气管的一端与所述回气口连通；以及
加热件，所述加热件设置于所述回气管。
在一实施例中，所述加热件设置于所述回气管的径向外侧。
在一实施例中，所述加热件围绕所述回气管的至少部分螺旋延伸。
在一实施例中，所述加热件为电加热带。
此外，为实现上述目的，本申请还提出一种空调器，包括：
如上所述的用于空调器的压缩机，所述压缩机的压缩机本体还具有排气口；
四通阀，所述四通阀具有第一接口、第二接口、第三接口以及第四接口，所述第一接口与所述第二接口和第三接口中的一者连通，所述第四接口与所述第二接口和第三接口中的另一者连通，所述第一接口与所述排气口连通，所述第四接口与所述压缩机的回气管的另一端连通；以及
室内换热器与室外换热器，所述室内换热器的第一端与所述第三接口连通，所述室内换热器的第二端与所述室外换热器的第三端连通，所述室外换热器的第四端与所述第二接口连通。
在一实施例中，所述空调器还包括：
低压压力开关，所述低压压力开关设置于所述压缩机中压缩机本体的回气口处。
在一实施例中，所述空调器还包括：
室内机，所述室内机具有内风机与所述室内换热器；以及
室外机，所述室外机具有外风机与所述室外换热器。
本申请提出的空调器的补气控制方法，在空调器处于运行状态时，控制空调器的相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，在空调器的当前模式为制热模式时，获取当前环境温度，在当前环境温度小于等于预设温度阈值时，控制相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口，从而在不增加较大成本，且避免液态冷媒回到压缩机导致带液压缩损坏压缩机的前提下，提高空调器系统的吸气压力，增加系统循环量，同时气液两相分离，可以有效减小系统阻力，从而延长结霜周期，提升制热量，达到了更好的制热效果。
附图说明
图1是本申请实施例方案涉及的硬件运行环境的空调器结构示意图；
图2为本申请空调器的补气控制方法第一实施例的流程示意图；
图3为本申请空调器的补气控制方法一实施例的空调器系统示意图；
图4为本申请空调器的补气控制方法第二实施例的流程示意图；
图5为本申请空调器的补气控制方法第三实施例的流程示意图；
图6为本申请空调器的补气控制装置第一实施例的功能模块示意图；
图7为本申请压缩机一实施例的结构示意图；
图8为本申请空调器的另一实施例的制冷状态的示意图；
图9为本申请空调器的另一实施例的制热状态的示意图；
图10为本申请空调器的控制方法的第一实施例的流程示意图；
图11为本申请空调器的控制方法的第二实施例的流程示意图。
附图标号说明：
标号 名称 标号 名称
1 压缩机 2 四通阀
3 蒸发器 4 换热器
5 外风机 6 相分离器
7 内风机 8 过滤器
9 节流阀 10 电磁阀
61 气液两相冷媒入口 62 液态冷媒出口
63 气态冷媒出口 A 压缩机回气口
B 换热器的出口 C 换热器的入口
D 换热器的另一出口 G1 第一管路
G2 第二管路 G3 第三管路
111 回气口 112 排气口
12 回气管 13 加热件
20 四通阀 21 第一接口
22 第二接口 23 第三接口
24 第四接口 31 室外换热器
32 外风机 41 室内换热器
42 内风机 51 低压压力开关
52 高压压力开关 11 压缩机本体
本申请目的的实现、功能特点及优点将结合实施例，参照附图做进一步说明。
具体实施方式
应当理解，此处所描述的具体实施例仅仅用以解释本申请，并不用于限定本申请。
参照图1，图1为本申请实施例方案涉及的硬件运行环境的空调器结构示意图。
如图1所示，该空调器可以包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；所述空调器还可以包括：处理器1001，例如中央处理器(Central Processing Unit，CPU)，通信总线1002、用户接口1003，网络接口1004，存储器1005。其中，通信总线1002用于实现这些组件之间的连接通信。用户接口1003可以包括显示屏(Display)、输入单元比如按键，可选用户接口1003还可以包括标准的有线接口、无线接口。网络接口1004可选的可以包括标准的有线接口、无线接口(如WI-FI接口)。存储器1005可以是高速随机存取存储器(Random Access Memory，RAM)存储器，也可以是稳定的存储器(non-volatile memory)，例如磁盘存储器。存储器1005可选的还可以是独立于前述处理器1001的存储装置。
本领域技术人员可以理解，图1中示出的设备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。
如图1所示，作为一种存储介质的存储器1005中可以包括操作系统、网络通信模块、用户接口模块以及空调器的补气控制程序。
在图1所示的空调器中，网络接口1004主要用于连接外网，与其他网络设备进行数据通信；用户接口1003主要用于连接用户设备，与所述用户设备进行数据通信；本申请设备通过处理器1001调用存储器1005中存储的空调器的补气控制程序，并执行本申请实施例提供的空调器的补气控制方法。
基于上述硬件结构，提出本申请空调器的补气控制方法实施例。
参照图2，图2为本申请空调器的补气控制方法第一实施例的流程示意图。
在第一实施例中，所述空调器包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；所述空调器的补气控制方法包括以下步骤：
步骤S10，在所述空调器处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离。
需要说明的是，本实施例的执行主体可为空调器，例如柜式空调器或者挂式空调器，还可为其他类型的空调器，本实施例对此不作限制，在本实施例中，以空调器为例进行说明。
应当理解的是，现有技术中虽然也存在空调器的补气方案，但是，在现有带补气增焓系统中，需要增加散蒸器或经济器以及带补气压缩机，成本较高。在现有一些直接为回气管补充带有液态冷媒系统中，虽然可以起到增加回气压力的作用，但是让功耗大大增加的同时，使压缩机带液压缩，容易导致压缩机损坏。
本实施例的技术方案区别于上述现有技术，在现有空调器的基础上添加相分离器，根据相分离器特殊的结构构造，起到气、液两相分离的作用。其中，相分离器由3个接口和本体组成，这3个接口分别为气液两相冷媒入口、液态冷媒出口以及气态冷媒出口。
需要说明的是，在空调器系统中存在多个部件，这些部件的作用分别如下：压缩机，空调系统心脏，压缩和输送冷媒；四通阀，实现制冷和制热切换；冷凝器，制冷时作为冷凝器，对冷媒起到散热作用，制热时作为蒸发端，对冷媒起到吸热作用；外风机，带动室外空气经过换热器，起到加强吸收或者释放热量的作用；内风机，带动室内空气经过换热器，起到加强吸收或者释放热量的作用；相分离器，根据其特殊的结构构造，起到气、液两相分离的作用；电磁阀，根据需要起到使冷媒在管道中流通和阻断的作用；节流装置，节流部件，在系统中起到降压降温的作用。
在具体实现中，如图3所示，图3为空调器系统示意图，本实施例中的空调器系统包括室内侧和室外侧，其中，室内侧包括：蒸发器7和内风机3，室外侧包括：压缩机1、节流阀9、过滤器8、换热器4、外风机5、相分离器6、四通阀2以及电磁阀10。其中，在本实施例中，将换热器4具体设置为冷凝器，蒸发器和冷凝器均为换热器，在制冷模式和制热模式下分别起不同的作用。图3中的相分离器包括三个接口，分别为：气态冷媒出口63、液态冷媒出口62以及气液两相冷媒入口61。气态冷媒出口63通过第一管路G1与压缩机回气口A连通，液态冷媒出口62通过第二管路G2与换热器4的入口C连通，气液两相冷媒入口61通过第三管路G3与换热器4的出口B连通，换热器4的另一出口D与四通阀2连通。
可以理解的是，本实施例中空调器的运行原理为：系统制冷时，压缩机压缩排出的气态冷媒经过四通阀到冷凝器，经过散热冷凝过程后到节流阀部件进行节流降温降压，变成低压冷媒进到蒸发器进行吸热蒸发，再经过四通阀回到压缩机进行压缩，反复循环。系统制热时，压缩机压缩排出的气态冷媒，经过四通阀换向直接到室内侧进行散热冷凝，变成高压高温液态冷媒，经过节流阀部件节流变成低温低压液态冷媒，再到室外蒸发侧进行蒸发换热。其中，蒸发侧通过在流路设计中的某一个位置增加相分离器，起到在蒸发换热过程中产生的气态冷媒跟液态冷媒进行分离，气态冷媒直接输送到压缩机回气口，液态冷媒输入到蒸发器入口进行进一步换热，然后经过四通阀回到压缩机进行再次压缩，反复循环。
在具体实现中，如图3所示，图3中示出了冷媒在制冷模式下的制冷方向，以及在制热模式下的制热方向，其中，制冷方向和制热方向均为冷媒的流动方向，其中，所述冷媒包括气态冷媒和液态冷媒，分别为冷媒的不同形态。由于本申请的方案主要针对的是制热 模式，因此，以制热模式为例进行说明，冷媒流向为：压缩机→四通阀→蒸发器→节流阀→过滤管→冷凝器→相分离器，由相分离器对冷媒进行分离，得到分离后的气态冷媒和液态冷媒，将气态冷媒直接输送至压缩机，将液态冷媒传输至冷凝器→四通阀→压缩机。
应当理解的是，基于上述结构设置和运行原理，在空调开机运行，处于运行状态时，可控制相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，得到分离后的气态冷媒和液态冷媒。
步骤S20，在所述空调器的当前模式为制热模式时，获取当前环境温度。
应当理解的是，本实施例的方案主要是在环境温度较低条件下制热时，进行补气，以提高吸气压力，进而提高制热效果。由此，需要进行两次判断，首先判断空调器的当前模式是否为制热模式。在空调器的当前模式为制热模式时，再判断环境温度是否较低，具体可为：获取当前环境温度，将当前环境温度与预设温度阈值进行比较，以判断环境温度是否较低。其中，预设温度阈值可为技术人员根据实际情况进行设置，例如，可将预设温度阈值设置为7℃，还可设置为其他数值，本实施例对此不作限制。
应当理解的是，本实施例中的当前环境温度可为室内侧的当前环境温度，也可为室外侧的当前环境温度，本实施例对此不作限制，在本实施例中，为了达到更好的检测效果，优选为室外侧的当前环境温度。
在一实施例中，可在空调器系统中室内侧或者室外侧合适的地方设置温度传感器，通过空调器系统中设置的温度传感器来检测环境温度。
在另一实施例中，还可在室内或者室外设置独立的温度传感器，通过温度传感器来检测环境温度，并通过有线或者无线通信的方式将环境温度发送至空调器的控制器，还可为通过其他方式来检测当前环境温度，本实施例对此不作限制。
步骤S30，在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
可以理解的是，在当前环境温度小于等于预设温度阈值，即当前环境温度≤7℃时，说明此时需要进行补气，因此，可控制相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口，以进行补气。
在具体实现中，如图3所示，相分离器分离出的气态冷媒通过气态冷媒出口63输送至压缩机回气口A，以将气态冷媒输送至压缩机。
应当理解的是，由于在较低的制热环境温度下，系统吸气能力变低，导致吸气压力下降，尤其是在结霜严重情况下压力衰减越明显。本申请通过在系统中增加相分离器后，可以将在冷凝器换热后的气体和液体分离，其中气体部分可通过电磁阀开启导通控制，当环境温度低于7℃时，电磁阀上电导通，气态冷媒直接回到压缩机回气口，从而提高系统吸气压力，增加系统循环量，同时气液两相分离，可以有效减小系统阻力，从而延长结霜周期，提升制热量。
并且，由于带补气压缩机系统需要增加经济器以及节流装置，增加系统控制的复杂性的同时也提高了成本，而本申请能够直接通过分离气体到压缩机回气口的方式，即可以降低成本，简化系统，又能达到补气提高换热量的作用，有效的解决了原来存在的问题。而且，本申请能够通过补充气态冷媒对吸气冷媒加热，避免或者减少液态冷媒回到压缩机，导致带液压缩损坏压缩机的情况。
在本实施例中，通过设置相分离器进行气液分离的方式，在不增加较大成本，且避免液态冷媒回到压缩机导致带液压缩损坏压缩机的前提下，提高空调器系统的吸气压力，增加系统循环量，同时气液两相分离，可以有效减小系统阻力，从而延长结霜周期，提升制热量，达到了更好的制热效果。
在一实施例中，如图4所示，基于第一实施例提出本申请空调器的补气控制方法第二 实施例，所述空调器还包括电磁阀，所述电磁阀设置在所述气态冷媒出口与所述压缩机回气口之间；所述步骤S30，包括：
步骤S301，在所述当前环境温度小于等于预设温度阈值时，控制所述电磁阀上电导通，以使所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
应当理解的是，可以通过设置电磁阀，对电磁阀的通断电状态进行控制的方式来控制是否将分离出的气态冷媒输送至压缩机回气口。其中，电磁阀可设置在气态冷媒出口与压缩机回气口之间的管路上，本实施例中的电磁阀在通电的情况下导通，在断电的情况下关闭。
在具体实现中，本实施例中的电磁阀可采用直动式电磁阀、先导式电磁阀以及、分布式直动电磁阀以及中的任一项，并且，除了上述这几种类型的电磁阀外，还可包括其他类型的电磁阀，可由技术人员根据实际的空调器型号或者使用场景来选择使用合适类型的电磁阀，本实施例对此不作限制。其中，若采用直动式电磁阀，通电时，电磁线圈产生电磁力把关闭件从阀座上提起，阀门打开，断电时，电磁力消失，弹簧把关闭件压在阀座上，阀门关闭。若采用先导式电磁阀，通电时，电磁力把先导孔打开，上腔室压力迅速下降，在关闭件周围形成上低下高的压差，流体压力推动关闭件向上移动，阀门打开，断电时，弹簧力把先导孔关闭，入口压力通过旁通孔迅速腔室在关阀件周围形成下低上高的压差，流体压力推动关闭件向下移动，关闭阀门。
若采用分布式直动电磁阀，分布式直动电磁阀包括先导小阀和主阀，其将直动式和先导式原理相结合进行工作，如果电磁阀入口与出口之间的压力差为零，电磁阀线圈得电，电磁力直接把先导小阀和其主阀的关闭件依次向上移动，打开阀门；当电磁阀入口与出口之间的压力差达到电磁阀启动压力时，电磁力将先导小阀和主阀的下腔室压力上升，上腔室压力下降，从而利用压力差把电磁主阀关闭件向上提升，开启阀门；断电时，先导小阀利用弹簧力或介质压力推动关闭件向下移动，使阀门关闭。
可以理解的是，在当前模式为制热模式，且当前环境温度小于等于预设温度阈值时，说明当前情况满足补气条件，可控制电磁阀上电导通，从而可使相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口。
在具体实现中，例如，假设用户在冬天比较冷的情况下使用空调取暖，开启空调器进入运行状态，并且控制空调器进入制热模式。在这种情况下，如果检测到室外的当前环境温度为5℃，可将当前环境温度与预设温度阈值进行比较，可知，5℃小于7℃，即满足当前环境温度小于等于预设温度阈值的条件，在这种情况下控制电磁阀上电导通，从而可将气态冷媒通过气态冷媒出口和压缩机回气口输送至压缩机，以达到补气的效果，提升低环境温度下系统吸气压力，提高换热量，进而提高用户体验效果。
进一步地，由于只有在制热模式下环境温度较低的情况，才存在由于吸气压力较低，导致制热效果差的问题，而如果空调器的当前模式不为制热模式，或者环境温度没有出现较低的情况，则不存在这样的问题，也不需要进行补气，因此，在这种情况下，为了不影响空调器的正常运行以及避免能源的损耗，所述步骤S20之后，还包括：
步骤S302，在所述当前环境温度大于预设温度阈值时，控制所述电磁阀断电关闭，以阻断所述相分离器分离出的气态冷媒。
可以理解的是，在当前环境温度大于预设温度阈值，即当前环境温度＞7℃时，说明此时不需要进行补气，因此，没有必要进行补气操作，即没有必要将相分离器分离出的气态冷媒输入压缩机。因此，可控制电磁阀断电关闭，在这种情况下气态冷媒出口与压缩机回气口之间的冷媒无法导通，所以，气态冷媒不会通过气态冷媒出口和压缩机回气口传输至压缩机，以达到阻断相分离器分离出的气态冷媒的效果，使分离出的气态冷媒无法输入压缩机，避免了能源的损耗。
在具体实现中，例如，假设用户在冬天比较冷的情况下使用空调取暖，开启空调器进入运行状态，并且控制空调器进入制热模式。在这种情况下，如果检测到室外的当前环境温度为10℃，进行比较后可发现，10℃大于7℃，即满足当前环境温度大于预设温度阈值的条件，在这种情况下控制电磁阀断电关闭，以阻断相分离器分离出的气态冷媒，使气态冷媒无法传输至压缩机回气口，从而使气态冷媒无法输入压缩机。
进一步地，压缩机包括压缩机回气管，压缩机回气管上还可设置压缩机回气口，气态冷媒出口与压缩机回气口通过第一管路进行连通；所述控制相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口，包括：
控制相分离器将分离出的气态冷媒从气态冷媒出口输送至第一管路，并通过第一管路将分离出的气态冷媒输送至压缩机回气口。
应当理解的是，如图3所示，压缩机回气口A设置在压缩机回气管上，压缩机回气管与压缩机直接连通，从而在将气态冷媒传输至压缩机回气口后，便可经过压缩机回气管传输至压缩机内，并且由于已经提前将气态冷媒与液态冷媒进行了分离，因此，输入压缩机内的气态冷媒中不会带有液体，避免了空调器系统运行过程出现带液压缩导致压缩机损坏的情况，对压缩机有较好的保护效果。
需要说明的是，本实施例中的压缩机回气管可为各种类型、尺寸以及材质的回气管，可由技术人员根据实际情况进行选择，例如，压缩机回气管可为铜管或者合金管等，压缩机回气管的类型可为U形管或者直管等，本实施例对此不作限制。并且，本实施例对压缩机回气管的具体设置位置也不作限制，为了达到更好的效果，本实施例优选为将压缩机回气管设置在离压缩机较为接近的地方。
可以理解的是，如图3所示，相分离器的气态冷媒出口与压缩机回气管的压缩机回气口之间可通过第一管路进行连通，其中，本实施例中所指的“第一”、“第二”等描述只是为了区别不同的对象，以到达便于说明的目的，不作其他限制。
应当理解的是，电磁阀可设置在相分离器的气态冷媒出口与压缩机回气管的压缩机回气口之间的第一管路上，具体可设置在第一管路的正中间，也可设置在第一管路中间偏向气态冷媒出口的地方，还可设置在第一管路中间偏向压缩机回气口的地方，还可设置在第一管路的其他地方，可根据实际情况进行选择。在某些特殊情况下，还可将电磁阀设置在第一管路中靠近气态冷媒出口的地方，也可设置在第一管路中靠近压缩机回气口的地方，本实施例对此限制。
需要说明的是，本实施例中的第一管路的类型、尺寸以及材质可与发动机回气管相同，也可不同，或者部分相同部分不同，可由技术人员根据实际使用需求进行选择，本实施例对此不作限制。
在本实施例中，在相分离器的气态冷媒出口与压缩机的压缩机回气口之间设置电磁阀，通过电磁阀对分离出的气态冷媒状态进行控制，从而通过控制电磁阀通断电的方式来控制是否将分离出的气态冷媒输入压缩机进行补气，在不增加成本的情况下，可准确对是否进行补气进行控制，提高了补气控制效果，可达到更好的空调制热效果。
在一实施例中，如图5所示，基于第一实施例或第二实施例提出本申请空调器的补气控制方法第三实施例，在本实施例中，基于第一实施例进行说明，相分离器还包括气液两相冷媒入口，气液两相冷媒入口与换热器的出口连通；
所述步骤S10，包括：
步骤S101，在所述空调器处于运行状态时，控制换热器进行换热处理，并将在蒸发换热过程中产生的气态冷媒和液态冷媒通过所述换热器的出口输送至所述气液两相冷媒入口。
需要说明的是，本实施例中的空调器还包括换热器，其中，本实施例中此处指的换热 器具体可为冷凝器，冷凝器在空调的制冷模式和制热模式下分别起到不同的作用，在制冷时作为冷凝器，对冷媒起到散热作用，在制热时作为蒸发端，对冷媒起到吸热作用。
应当理解的是，在空调器在运行的过程中，可控制换热器进行蒸发换热处理，相分离器通过气液两相冷媒入口接收在蒸发换热过程中产生的气态冷媒和液态冷媒。
在具体实现中，如图3所示，换热器可为冷凝器，冷凝器在对液态冷媒进行蒸发换热的过程中会产生气态冷媒，冷凝器可通过换热器的出口B将在蒸发换热过程中产生的气态冷媒和液态冷媒排出，并通过冷凝器出口B与气液两相冷媒入口61之间的第三管路G3传输至气液两相冷媒入口，通过上述这种方式便可将蒸发换热过程中产生的气态冷媒和液态冷媒输入相分离器。
步骤S102，控制所述相分离器对输入的气态冷媒和液态冷媒进行分离。
可以理解的是，相分离器在接收到气态冷媒和液态冷媒后，可对输入的气态冷媒与液态冷媒进行分离，可得到分离后的气态冷媒和液态冷媒。其中，分离后的气态冷媒可通过气态冷媒出口输出，液态冷媒可通过液态冷媒出口输出，将气态冷媒与液态冷媒分别通过不同的接口和管路输出，以将气态冷媒与液态冷媒传输至不同的部件。
进一步地，相分离器上还设置有液态冷媒出口，液态冷媒出口与换热器的入口连通；所述在空调处于运行状态时，控制相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离之后，还包括：
控制相分离器将分离出的液态冷媒通过液态冷媒出口输送至换热器的入口；控制换热器对输入的液态冷媒进行换热处理，得到待压缩气态冷媒，并将待压缩气态冷媒输送至压缩机；控制压缩机对待压缩气态冷媒进行压缩处理。
应当理解的是，相分离器在对冷媒进行气液分离后，可控制相分离器将分离出的液态冷媒通过液态冷媒出口输出，然后通过管路输送至与液态冷媒出口相通的换热器入口，以将分离出的液态冷媒输入换热器。换热器可对输入的液态冷媒进行蒸发换热处理，在换热完成后，得到待压缩气态冷媒，然后将待压缩气态冷媒输送至压缩机，并控制压缩机对待压缩气态冷媒进行压缩处理，得到加压后的高温高压气体，以进行下一循环。
可以理解的是，所述将所述待压缩气态冷媒输送至所述压缩机的步骤具体可为：将待压缩气态冷媒通过换热器的另一出口输出，通过管路将待压缩气态冷媒传送至四通阀，经过四通阀之后输送至压缩机。其中，可通过由四通阀控制待压缩气态冷媒传输至压缩机回气管的压缩机回气口的方式将待压缩气态冷媒输送至压缩机，还可为其他方式，本实施例对此不作限制。
进一步地，所述液态冷媒出口与换热器的入口通过第二管路进行连通；所述控制相分离器将分离出的液态冷媒通过液态冷媒出口输送至换热器的入口，包括：
控制相分离器将分离出的液态冷媒从液态冷媒出口输送至第二管路，并通过第二管路将分离出的液态冷媒输送至换热器的入口。
应当理解的是，相分离器的液态冷媒出口与换热器的入口通过第二管路进行连通，其中，本实施例中的第二管路的类型、尺寸以及材质可与发动机或第一管路相同，也可不同，或者部分相同部分不同，可由技术人员根据实际使用需求进行选择，本实施例对此不作限制。为了达到更好的输送效果以及节约成本的考虑，本实施例优先第二管路的类型、尺寸以及材质与第一管路相同。
在具体实现中，可如图3所示，相分离器分离出液态冷媒后，可将分离出的液态冷媒通过液态冷媒出口62输出，并通过第二管路G2输送至换热器的入口C，换热器在对输入的液态冷媒进行进一步换热处理后，可得到待压缩气态冷媒，可将待压缩气态冷媒通过换热器的另一出口D输出，然后传输至四通阀，通过四通阀将待压缩气态冷媒传输至压缩机回气管的压缩机回气口A，从而将待压缩气态冷媒输入压缩机，由压缩机对待压缩气态冷媒进行压缩处理，得到加压后的高温高压的气态冷媒，然后压缩机将气态冷媒输出至四 通阀进行下一循环。
在本实施例中，可控制换热器进行蒸发换热处理，并将在蒸发换热处理的过程中所产生的气态冷媒和液态冷媒，通过换热器的出口输送至相分离器的气液两相冷媒入口，以将气态冷媒和液态冷媒输入相分离器，并控制相分离器对输入的气态冷媒和液态冷媒进行分离，在将分离出的气态冷媒以及液态冷媒从不同的出口输出，进行不同的处理，达到对空调器的压缩机进行补气以提高制热效果的同时，避免或减少液态冷媒回到压缩机导致带液压缩损坏的问题。
此外，本申请实施例还提出一种存储介质，所述存储介质上存储有空调器的补气控制程序，所述空调器的补气控制程序被处理器执行时实现如上文所述的空调器的补气控制方法的步骤。
由于本存储介质采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
此外，参照图6，本申请实施例还提出一种空调器的补气控制装置，所述空调器的补气控制装置包括：
冷媒分离模块10，用于在空调器处于运行状态时，控制相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离。
应当理解的是，现有技术中虽然也存在空调器的补气方案，但是，在现有带补气增焓系统中，需要增加散蒸器或经济器以及带补气压缩机，成本较高。在现有一些直接为回气管补充带有液态冷媒系统中，虽然可以起到增加回气压力的作用，但是让功耗大大增加的同时，使压缩机带液压缩，容易导致压缩机损坏。
本实施例的技术方案区别于上述现有技术，在现有空调器的基础上添加相分离器，根据相分离器特殊的结构构造，起到气、液两相分离的作用。其中，相分离器由3个接口和本体组成，这3个接口分别为气液两相冷媒入口、液态冷媒出口以及气态冷媒出口。
需要说明的是，在空调器系统中存在多个部件，这些部件的作用分别如下：压缩机，空调系统心脏，压缩和输送冷媒；四通阀，实现制冷和制热切换；冷凝器，制冷时作为冷凝器，对冷媒起到散热作用，制热时作为蒸发端，对冷媒起到吸热作用；外风机，带动室外空气经过换热器，起到加强吸收或者释放热量的作用；内风机，带动室内空气经过换热器，起到加强吸收或者释放热量的作用；相分离器，根据其特殊的结构构造，起到气、液两相分离的作用；电磁阀，根据需要起到使冷媒在管道中流通和阻断的作用；节流装置，节流部件，在系统中起到降压降温的作用。
在具体实现中，如图3所示，图3为空调器系统示意图，本实施例中的空调器系统包括室内侧和室外侧，其中，室内侧包括：蒸发器7和内风机3，室外侧包括：压缩机1、节流阀9、过滤器8、换热器4、外风机5、相分离器6、四通阀2以及电磁阀10。其中，在本实施例中，将换热器4具体设置为冷凝器，蒸发器和冷凝器均为换热器，在制冷模式和制热模式下分别起不同的作用。图3中的相分离器包括三个接口，分别为：气态冷媒出口63、液态冷媒出口62以及气液两相冷媒入口61。气态冷媒出口63通过第一管路G1与压缩机回气口A连通，液态冷媒出口62通过第二管路G2与换热器4的入口C连通，气液两相冷媒入口61通过第三管路G3与换热器4的出口B连通，换热器4的另一出口D与四通阀2连通。
可以理解的是，本实施例中空调器的运行原理为：系统制冷时，压缩机压缩排出的气态冷媒经过四通阀到冷凝器，经过散热冷凝过程后到节流阀部件进行节流降温降压，变成低压冷媒进到蒸发器进行吸热蒸发，再经过四通阀回到压缩机进行压缩，反复循环。系统制热时，压缩机压缩排出的气态冷媒，经过四通阀换向直接到室内侧进行散热冷凝，变成高压高温液态冷媒，经过节流阀部件节流变成低温低压液态冷媒，再到室外蒸发侧进行蒸 发换热。其中，蒸发侧通过在流路设计中的某一个位置增加相分离器，起到在蒸发换热过程中产生的气态冷媒跟液态冷媒进行分离，气态冷媒直接输送到压缩机回气口，液态冷媒输入到蒸发器入口进行进一步换热，然后经过四通阀回到压缩机进行再次压缩，反复循环。
在具体实现中，如图3所示，图3中示出了冷媒在制冷模式下的制冷方向，以及在制热模式下的制热方向，其中，制冷方向和制热方向均为冷媒的流动方向，其中，所述冷媒包括气态冷媒和液态冷媒，分别为冷媒的不同形态。由于本申请的方案主要针对的是制热模式，因此，以制热模式为例进行说明，冷媒流向为：压缩机→四通阀→蒸发器→节流阀→过滤管→冷凝器→相分离器，由相分离器对冷媒进行分离，得到分离后的气态冷媒和液态冷媒，将气态冷媒直接输送至压缩机，将液态冷媒传输至冷凝器→四通阀→压缩机。
应当理解的是，基于上述结构设置和运行原理，在空调开机运行，处于运行状态时，可控制相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，得到分离后的气态冷媒和液态冷媒。
环境温度模块20，用于在所述空调器的当前模式为制热模式时，获取当前环境温度。
应当理解的是，本实施例的方案主要是在环境温度较低条件下制热时，进行补气，以提高吸气压力，进而提高制热效果。由此，需要进行两次判断，首先判断空调器的当前模式是否为制热模式。在空调器的当前模式为制热模式时，再判断环境温度是否较低，具体可为：获取当前环境温度，将当前环境温度与预设温度阈值进行比较，以判断环境温度是否较低。其中，预设温度阈值可为技术人员根据实际情况进行设置，例如，可将预设温度阈值设置为7℃，还可设置为其他数值，本实施例对此不作限制。
应当理解的是，本实施例中的当前环境温度可为室内侧的当前环境温度，也可为室外侧的当前环境温度，本实施例对此不作限制，在本实施例中，为了达到更好的检测效果，优选为室外侧的当前环境温度。
在一实施例中，可在空调器系统中室内侧或者室外侧合适的地方设置温度传感器，通过空调器系统中设置的温度传感器来检测环境温度。
在另一实施例中，还可在室内或者室外设置独立的温度传感器，通过温度传感器来检测环境温度，并通过有线或者无线通信的方式将环境温度发送至空调器的控制器，还可为通过其他方式来检测当前环境温度，本实施例对此不作限制。
补气控制模块30，用于在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口。
可以理解的是，在当前环境温度小于等于预设温度阈值，即当前环境温度≤7℃时，说明此时需要进行补气，因此，可控制相分离器将分离出的气态冷媒通过气态冷媒出口输送至压缩机回气口，以进行补气。
在具体实现中，如图3所示，相分离器分离出的气态冷媒通过气态冷媒出口63输送至压缩机回气口A，以将气态冷媒输送至压缩机。
应当理解的是，由于在较低的制热环境温度下，系统吸气能力变低，导致吸气压力下降，尤其是在结霜严重情况下压力衰减越明显。本申请通过在系统中增加相分离器后，可以将在冷凝器换热后的气体和液体分离，其中气体部分可通过电磁阀开启导通控制，当环境温度低于7℃时，电磁阀上电导通，气态冷媒直接回到压缩机回气口，从而提高系统吸气压力，增加系统循环量，同时气液两相分离，可以有效减小系统阻力，从而延长结霜周期，提升制热量。
并且，由于带补气压缩机系统需要增加经济器以及节流装置，增加系统控制的复杂性的同时也提高了成本，而本申请能够直接通过分离气体到压缩机回气口的方式，即可以降低成本，简化系统，又能达到补气提高换热量的作用，有效的解决了原来存在的问题。而且，本申请能够通过补充气态冷媒对吸气冷媒加热，避免或者减少液态冷媒回到压缩机，导致带液压缩损坏压缩机的情况。
本实施例中，通过设置相分离器进行气液分离的方式，从而在不增加较大成本，且避免液态冷媒回到压缩机导致带液压缩损坏压缩机的前提下，提高空调器系统的吸气压力，增加系统循环量，同时气液两相分离，可以有效减小系统阻力，从而延长结霜周期，提升制热量，达到了更好的制热效果。
在本申请所述空调器的补气控制装置的其他实施例或具体实现方法可参照上述各方法实施例，此处不再赘述。
参阅图7，在本实施例中，一种压缩机1，包括：压缩机本体11、回气管12以及加热件13。
压缩机本体11为压缩机1的主要功能部件，用于压缩和输送制冷剂。压缩机本体11具有回气口111。制冷剂从回气口111进入压缩机本体11内部，然后被压缩和泵出。
回气管12的一端与回气口111连通，另一端开口以连接至空调器中的蒸发器或者四通阀20上，从而接收流向压缩机1的制冷剂。
加热件13设置于回气管12上，从而对流经回气管12的制冷剂进行加热，以确保进入回气管12中的液态制冷剂在流出回气管12、进入回气口111时被加热成气态。加热件13可设置为电阻丝、PTC(Positive Temperature Coefficient，正温度系数)陶瓷元件、半导体加热元件或者复合加热元件中的任一种或者其他等同加热元件，本实施例对此并不限制。
相较于现有的气态制冷剂中少量液态制冷剂直接通过压缩机本体11的回气管12进入到压缩机本体11内，本实施例通过在回气管12上增设的加热件13加热流经回气管12的液态制冷剂，可避免发生压缩机1带液压缩而损坏的情况。
其中，加热件13可设置于回气管12的内部。或者，在一实施例中，为了避免加热件13污染管道内的制冷剂，加热件13可设置于回气管12的径向外侧。如加热件13可固定于回气管12的径向外侧壁上，或者加热件13还可设置于回气管12的外侧并间隔设置，只要确保加热件13的热量可传递至回气管12内即可。
加热件13可设置为沿回气管12的长度方向延伸的片状或者线状、套设于回气管12径向外侧的环状或者其他形状。如在一实施例中，加热件13围绕回气管12的至少部分螺旋延伸。加热件13螺旋延伸可确保回气管12中的液态制冷剂均被加热至气态，避免少量远离加热件13的制冷剂没有吸收热量而流入至压缩机本体11内。本实施例中，螺旋状加热件13可环绕于回气管12的外侧壁上。由于回气管12具有一定长度，加热件13可螺旋缠绕回气管12的全部长度，从而全程加热流经回气管12中的制冷剂，或者，为了降低加热件13的功耗或者降低成本，加热件13还可仅螺旋缠绕回气管12中的部分，确保流经回气管12中的气态制冷剂中的少量液态制冷剂可吸热气化即可。
此时，参阅图7，加热件13可设置为电加热带。电加热带螺旋缠绕回气管12布置。电加热带的一端可连接有继电器等控制设备，以接收空调器的控制器的控制指令而开始加热或者停止加热，或者调整加热的温度。本实施例中，采用电加热带可方便在现有空调器中布置加热件13，并确保加热效果。
此外，本发明还提出一种空调器，该空调器包括：通过管路依次串联连接形成循环回路的室外换热器31、室内换热器41以及压缩机1，管路内具有制冷剂。其中，压缩机1的回气管12的另一端与室内换热器41连通。
本实施例中，空调器为一制冷系统，该制冷系统中，室外换热器31为冷凝器，室内换热器41为蒸发器，压缩机1将室内换热器41中的气态制冷剂压缩后输送至室外换热器31，制冷剂在此处冷凝成液态，然后沿管路输送至室内换热器41，制冷剂在此处气化成气态。
该压缩机1的具体结构参照上述实施例，由于本空调器采用了上述所有实施例的全部技术方案，因此至少具有上述实施例的技术方案所带来的所有有益效果，在此不再一一赘述。
此外，本发明还提供了一种空调器，参阅图8和图9，该空调器包括压缩机1、四通阀20、室内换热器41与室外换热器31。
压缩机1还具有排气口112。压缩机1从回气口111抽取气态制冷剂，压缩后通过排气口112输送出去。
四通阀20具有第一接口21、第二接口22、第三接口23以及第四接口24，第一接口21与第二接口22和第三接口23中的一者连通，第四接口24与第二接口22和第三接口23中的另一者连通，第一接口21与排气口112连通，第四接口24与压缩机1的回气管12的另一端连通。
室内换热器41的第一端与第三接口23连通，室内换热器41的第二端与室外换热器31的第三端连通，室外换热器31的第四端与第二接口22连通。
本实施例中，空调器包括制冷和制热两种功能。空调器制冷时，室外换热器31为冷凝器，室内换热器41为蒸发器。在空调器制热时，室外换热器31为蒸发器，室内换热器41为冷凝器。四通阀20中具有换向件，可在空调器的控制器控制下，四通阀20可在制冷状态和制热状态之间切换。
参阅图8，四通阀20处于制冷状态时，第一接口21与第二接口22连通，同时第四接口24与第三接口23连通，从而在空调器工作时，压缩机1压缩后从排气口112排出的气体依次通过四通阀20的第一接口21和第二接口22输送至冷凝器，经过散热冷凝过程后到又经过节流阀部件进行节流降温降压，变成低压制冷剂输送到蒸发器进行吸热蒸发，再经过四通阀20的第三接口23和第四接口24回到压缩机1进行压缩，反复循环。
参阅图9，四通阀20处于制热状态时，第一接口21与第三接口23连通，同时第四接口24与第二接口22连通，从而在空调器工作时，压缩机1压缩后从排气口112排出的气体依次通过四通阀20的第一接口21和第三接口23输送至室内的冷凝器，散热冷凝后变成高压高温液态制冷剂，经过节流阀部件进行节流降温降压变成低压制冷剂，然后输送到室外的蒸发器进行吸热蒸发，再经过四通阀20的第二接口22和第四接口24回到压缩机1进行压缩，反复循环。
容易理解的，相关技术中，空调器可具有自清洁模式，依次经过制冷凝露、制冷冰霜、制热高温化霜和高温杀菌等完成自清洁。当空调器开启自清洁模式时，压缩机1高频运行10分钟，如以65HZ运行，此时，内风机42以低风档运行从而在室内换热器41上产生大量凝露水。接着进入结霜阶段，此过程历时可为10分钟，同时内风机42为停止动作状态，以促使凝露水结霜。但是，蒸发压力随着结霜阶段的进行而不断降低，导致蒸发器中过多的液体可能直接回流到压缩机1中，使得压缩机1带液压缩而损坏。
本实施例中，通过在压缩机1的回气管12上增设的加热件13加热流经回气管12的液态制冷剂，可在空调器进入到自清洁模式时，避免蒸发器中过多液体制冷剂回流至压缩机1中，以防止发生压缩机1带液压缩而损坏的情况。
且本实施例中，由于空调器中主要是自清洁模式中结霜阶段内风机42停机导致出现过多液体制冷剂回流至压缩机1的情形，加热件13可根据自清洁模式的进行而控制开启或者关闭，如在自清洁的结霜阶段，控制器控制内风机42停机时，可同时控制加热件13开始加热。从而避免加热件13一直加热而降低空调器的能耗，节约资源，降低用户的使用成本。
其中，空调器还包括：室内机，室内机具有内风机42与室内换热器41；以及室外机，室外机具有外风机32与室外换热器31。
内风机42与室内换热器41集成在室内机壳体中，以促进室内换热器41的空气流动。外风机32与室外换热器31集成在室外换热器31，以促进室外换热器31的空气流动。
在一实施例中，空调器还包括低压压力开关51，低压压力开关51设置于回气口111处。
本实施例中，为了确保空调器中的管道压力处于安全范围内，空调器还包括低压压力开关51以及高压压力开关52，低压压力开关51设置于回气口111处，高压压力开关52设 置于第一接口21与排气口112之间。其中，低压压力开关51在管道内压力降低时，触发低压压力保护停止空调器的运行。
容易理解的，在空调器的自清洁模式中，空调器进入持续如10分钟的结霜阶段，内风机42停机，室内换热器41的蒸发压力随着时间的进行而不断降低，当压力过低时可能触发低压压力保护开关导致压缩机1停机。本实施例中，通过在压缩机1的回气管12上增设的加热件13加热流经回气管12的液态制冷剂至气态，从而提高压缩机1的回气管12内的压力，防止出现由于低压压力过低导致低压开关保护出现压缩机1停机现象，从而确保空调器自清洁模式的正常运行，以达到良好的自清洁效果。
此外，本发明还提供了一种空调器的控制方法第一实施例，参阅图10，图10为本发明空调器的控制方法第一实施例的流程示意图。
本实施例中，包括以下步骤：
步骤S201、空调器进入自清洁模式后，在空调器的内风机42关闭时，控制加热件13加热。
其中，空调器进入自清洁模式后，压缩机1先高频(如设定为65HZ)运行10分钟，此时，内风机42低风档运行以使得室内换热器41产生大量凝露水。然后空调器的内风机42在控制器的指令控制下主动关闭，即进入到空调器自清洁模式的结霜阶段。此时，可控制加热件13开始加热，从而避免蒸发器中过多液体制冷剂回流至压缩机1中，以防止发生压缩机1带液压缩而损坏的情况。
此外，在本发明空调器的控制方法第一实施例的基础上，提出空调器的控制方法第二实施例，参阅图11，图11为本发明空调器的控制方法第二实施例的流程示意图。
本实施例中，在步骤S201之后，还包括：
步骤S202、在空调器的内风机42开启时，控制加热件13停止加热。
其中，空调器的内风机42在控制器的指令控制下再次开启时，结霜阶段结束，空调器进入高温化霜阶段，此时，室内换热器41开始升温制热。出现液态制冷剂进入压缩机1的概率降低，加热件13可停止加热以降低空调器的能耗，节约资源，降低用户的使用成本。
需要说明的是，在本文中，术语“包括”、“包含”或者其任何其他变体意在涵盖非排他性的包含，从而使得包括一系列要素的过程、方法、物品或者装置不仅包括那些要素，而且还包括没有明确列出的其他要素，或者是还包括为这种过程、方法、物品或者装置所固有的要素。在没有更多限制的情况下，由语句“包括一个……”限定的要素，并不排除在包括该要素的过程、方法、物品或者装置中还存在另外的相同要素。
上述本申请实施例序号仅仅为了描述，不代表实施例的优劣。
通过以上的实施方式的描述，本领域的技术人员可以清楚地了解到上述实施例方法可借助软件加必需的通用硬件平台的方式来实现，当然也可以通过硬件，但很多情况下前者是更佳的实施方式。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来，该估算机软件产品存储在如上所述的一个估算机可读存储介质(如ROM/RAM、磁碟、光盘)中，包括若干指令用以使得一台智能设备(可以是手机，估算机，或者空调器等)执行本申请各个实施例所述的方法。
以上仅为本申请的优选实施例，并非因此限制本申请的专利范围，凡是利用本申请说明书及附图内容所作的等效结构或等效流程变换，或直接或间接运用在其他相关的技术领域，均同理包括在本申请的专利保护范围内。

Claims (17)

  1. 一种空调器的补气控制方法，其中，所述空调器包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；
    所述空调器的补气控制方法包括以下步骤：
    在所述空调器处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离；
    在所述空调器的当前模式为制热模式时，获取当前环境温度；以及
    在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
  2. 如权利要求1所述的空调器的补气控制方法，其中，所述空调器还包括电磁阀，所述电磁阀设置在所述气态冷媒出口与所述压缩机回气口之间；
    所述在所述当前环境温度小于等于预设温度阈值时，控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口，包括：
    在所述当前环境温度小于等于预设温度阈值时，控制所述电磁阀上电导通，以使所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口。
  3. 如权利要求2所述的空调器的补气控制方法，其中，所述在所述空调器的当前模式为制热模式时，获取当前环境温度之后，还包括：
    在所述当前环境温度大于预设温度阈值时，控制所述电磁阀断电关闭，以阻断所述相分离器分离出的气态冷媒。
  4. 如权利要求1所述的空调器的补气控制方法，其中，所述压缩机包括压缩机回气管，所述压缩机回气管上设置有所述压缩机回气口，所述气态冷媒出口与所述压缩机回气口通过第一管路进行连通；
    所述控制所述相分离器将分离出的气态冷媒通过所述气态冷媒出口输送至所述压缩机回气口，包括：
    控制所述相分离器将分离出的气态冷媒从所述气态冷媒出口输送至所述第一管路，并通过所述第一管路将分离出的气态冷媒输送至所述压缩机回气口。
  5. 如权利要求1～4中任一项所述的空调器的补气控制方法，其中，所述空调器还包括换热器，所述相分离器还包括液态冷媒出口；
    所述在所述空调处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离之后，还包括：
    控制所述相分离器将分离出的液态冷媒通过所述液态冷媒出口输送至所述换热器的入口；
    控制所述换热器对输入的液态冷媒进行换热处理，得到待压缩气态冷媒，并将所述待压缩气态冷媒输送至所述压缩机；以及
    控制所述压缩机对所述待压缩气态冷媒进行压缩处理。
  6. 如权利要求5所述的空调器的补气控制方法，其中，所述液态冷媒出口与所述换热器的入口通过第二管路进行连通；
    所述控制所述相分离器将分离出的液态冷媒通过所述液态冷媒出口输送至所述换热器的入口，包括：
    控制所述相分离器将分离出的液态冷媒从所述液态冷媒出口输送至所述第二管路，并通过所述第二管路将分离出的液态冷媒输送至所述换热器的入口。
  7. 如权利要求1～4中任一项所述的空调器的补气控制方法，其中，所述相分离器还 包括气液两相冷媒入口；
    所述在所述空调器处于运行状态时，控制所述相分离器对在蒸发换热过程中产生的气态冷媒和液态冷媒进行分离，包括：
    在所述空调器处于运行状态时，控制换热器进行换热处理，并将在蒸发换热过程中产生的气态冷媒和液态冷媒通过所述换热器的出口输送至所述气液两相冷媒入口；
    控制所述相分离器对输入的气态冷媒和液态冷媒进行分离。
  8. 一种空调器，其中，所述空调器包括：相分离器和压缩机，所述相分离器包括气态冷媒出口，所述压缩机包括压缩机回气口，所述气态冷媒出口与所述压缩机回气口连通；所述空调器还包括：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空调器的补气控制程序，所述空调器的补气控制程序被处理器执行时实现如权利要求1至7中任一项所述的空调器的补气控制方法。
  9. 一种存储介质，其中，所述存储介质上存储有空调器的补气控制程序，所述空调器的补气控制程序被处理器执行时实现如权利要求1至7中任一项所述的空调器的补气控制方法。
  10. 一种用于空调器的压缩机，其中，包括：
    压缩机本体，所述压缩机本体具有回气口；
    回气管，所述回气管的一端与所述回气口连通；以及
    加热件，所述加热件设置于所述回气管。
  11. 根据权利要求10所述的压缩机，其中，所述加热件设置于所述回气管的径向外侧。
  12. 根据权利要求11所述的压缩机，其中，所述加热件围绕所述回气管的至少部分螺旋延伸。
  13. 根据权利要求11或12所述的压缩机，其中，所述加热件为电加热带。
  14. 一种空调器，其中，包括：
    通过管路依次串联连接形成循环回路的室外换热器、室内换热器以及如权利10至13任一项所述的用于空调器的压缩机，所述管路内具有制冷剂；
    其中，所述压缩机的回气管的另一端与所述室内换热器连通。
  15. 一种空调器，其中，包括：
    如权利要求10至13任一项所述的用于空调器的压缩机，所述压缩机的压缩机本体还具有排气口；
    四通阀，所述四通阀具有第一接口、第二接口、第三接口以及第四接口，所述第一接口与所述第二接口和第三接口中的一者连通，所述第四接口与所述第二接口和第三接口中的另一者连通，所述第一接口与所述排气口连通，所述第四接口与所述压缩机的回气管的另一端连通；以及
    室内换热器与室外换热器，所述室内换热器的第一端与所述第三接口连通，所述室内换热器的第二端与所述室外换热器的第三端连通，所述室外换热器的第四端与所述第二接口连通。
  16. 根据权利要求15所述的空调器，其中，所述空调器还包括：
    低压压力开关，所述低压压力开关设置于所述压缩机中压缩机本体的回气口处。
  17. 根据权利要求15或16所述的空调器，其中，所述空调器还包括：
    室内机，所述室内机具有内风机与所述室内换热器；以及
    室外机，所述室外机具有外风机与所述室外换热器。
PCT/CN2022/076585 2021-04-20 2022-02-17 空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机 WO2022222587A1 (zh)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CN202110439818.3A CN115218556A (zh) 2021-04-20 2021-04-20 用于空调器的压缩机、空调器以及空调器的控制方法
CN202110439818.3 2021-04-20
CN202110440651.2 2021-04-21
CN202110440651.2A CN115218362A (zh) 2021-04-21 2021-04-21 空调器的补气控制方法、装置、空调器及存储介质

Publications (1)

Publication Number Publication Date
WO2022222587A1 true WO2022222587A1 (zh) 2022-10-27

Family

ID=83723579

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2022/076585 WO2022222587A1 (zh) 2021-04-20 2022-02-17 空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机

Country Status (1)

Country Link
WO (1) WO2022222587A1 (zh)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117255545A (zh) * 2023-11-20 2023-12-19 浙江银轮机械股份有限公司 仿生热管理方法

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032726A (zh) * 2010-11-25 2011-04-27 广东美的电器股份有限公司 一种可提高低温制热量的空调器
CN106016535A (zh) * 2016-05-31 2016-10-12 广东美的制冷设备有限公司 喷气增焓空调系统及其除霜控制方法
CN207963224U (zh) * 2018-01-31 2018-10-12 美的集团武汉制冷设备有限公司 空调器
CN110057132A (zh) * 2019-04-30 2019-07-26 广东美的制冷设备有限公司 冷媒系统和空调器
CN110836417A (zh) * 2019-11-18 2020-02-25 珠海格力电器股份有限公司 空调及空调控制方法

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102032726A (zh) * 2010-11-25 2011-04-27 广东美的电器股份有限公司 一种可提高低温制热量的空调器
CN106016535A (zh) * 2016-05-31 2016-10-12 广东美的制冷设备有限公司 喷气增焓空调系统及其除霜控制方法
CN207963224U (zh) * 2018-01-31 2018-10-12 美的集团武汉制冷设备有限公司 空调器
CN110057132A (zh) * 2019-04-30 2019-07-26 广东美的制冷设备有限公司 冷媒系统和空调器
CN110836417A (zh) * 2019-11-18 2020-02-25 珠海格力电器股份有限公司 空调及空调控制方法

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117255545A (zh) * 2023-11-20 2023-12-19 浙江银轮机械股份有限公司 仿生热管理方法
CN117255545B (zh) * 2023-11-20 2024-04-02 浙江银轮机械股份有限公司 仿生热管理方法

Similar Documents

Publication Publication Date Title
CN106871293B (zh) 采用vrv系统的机房热管空调
WO2015158174A1 (zh) 制冷装置
WO2018121593A1 (zh) 冰箱节能制冷系统及具有该系统的冰箱运行方法
WO2019134509A1 (zh) 室外机、空调系统及控制方法
CN104061705A (zh) 双级压缩空调系统及其控制方法
WO2022068281A1 (zh) 空调系统及其除霜控制方法、存储介质、控制装置
WO2022267886A1 (zh) 空调器的防结霜控制方法及空调器
CN105571221A (zh) 空调系统及空调系统的控制方法
CN105698420B (zh) 一种压缩机及空调系统
CN213454443U (zh) 制冷系统
CN203964436U (zh) 双级压缩空调系统
CN202885329U (zh) 空调系统
WO2022222587A1 (zh) 空调器的补气控制方法、空调器、存储介质及用于空调器的压缩机
CN107024013B (zh) 空调器及其控制方法
TWI588424B (zh) 熱泵空調系統及其控制方法
KR100712196B1 (ko) 히트펌프 시스템 및 실외기 제상 방법
JP2007309585A (ja) 冷凍装置
CN108731295B (zh) 一种热回收燃气空调系统
CN106989438B (zh) 空调设备、多联室内机系统及其控制方法
KR100528292B1 (ko) 히트펌프식 공기조화기
CN114198872B (zh) 一种机房空调、机房空调的运行控制方法及装置
CN210118909U (zh) 空气处理设备
CN107238236B (zh) 补气增焓空调系统及其控制方法
CN112113380A (zh) 制冷系统及其控制方法
US20150075212A1 (en) Carbon Dioxide Refrigeration System with a Multi-Way Valve

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 22790697

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 22790697

Country of ref document: EP

Kind code of ref document: A1