WO2019029233A1 - 空调器系统及具有其的空调器 - Google Patents
空调器系统及具有其的空调器 Download PDFInfo
- Publication number
- WO2019029233A1 WO2019029233A1 PCT/CN2018/088694 CN2018088694W WO2019029233A1 WO 2019029233 A1 WO2019029233 A1 WO 2019029233A1 CN 2018088694 W CN2018088694 W CN 2018088694W WO 2019029233 A1 WO2019029233 A1 WO 2019029233A1
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- WIPO (PCT)
- Prior art keywords
- heat exchanger
- air conditioner
- control valve
- heat exchange
- conditioner system
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
Definitions
- the present invention relates to the field of air conditioning equipment, and in particular to an air conditioner system and an air conditioner having the same.
- the defrosting mode of the heat pump air conditioner is mainly two methods of refrigeration cycle defrosting and hot gas defrosting.
- the refrigeration cycle defrost is to switch the system from the heating cycle to the refrigeration cycle defrost through a four-way valve.
- the hot gas defrost increases the flow rate of the expansion valve in the heating cycle to cause the high temperature refrigerant to enter the condenser for defrost.
- the indoor heating cannot be performed, which will cause the room temperature to drop and affect the comfort of the room.
- the indoor heat exchanger when used as an evaporator during defrosting, it will absorb the heat in the room, and the process of switching the four-way valve also takes time, causing the room temperature to drop more.
- the hot gas defrosting method although there is no risk of absorbing heat from the room, there is still a throttling phenomenon after the expansion valve is opened, the temperature of the outlet refrigerant is greatly reduced, the defrosting effect is not ideal, and the refrigerant flow rate is large, and evaporation is lacking. On the side, there is a risk of the compressor running with liquid.
- the main object of the present invention is to provide an air conditioner system and an air conditioner having the same, which solves the problem that the indoor temperature of the air conditioner in the prior art can be lowered during the defrosting process.
- an air conditioner system includes a connected indoor heat exchanger, a four-way valve, a compressor, and an outdoor heat exchanger, and the air conditioner system further includes: a heat exchange unit The heat exchange portion is disposed on a pipeline connecting the outdoor heat exchanger and the indoor heat exchanger, and/or the heat exchange portion is disposed on a pipeline connecting the outdoor heat exchanger and the four-way valve, and is exchanged for the outdoor
- the heat exchanger performs defrosting
- the refrigerant flows through the indoor heat exchanger and the outdoor heat exchanger through the four-way valve, and then returns to the compressor through the four-way valve, wherein the heat exchange portion heats the refrigerant flowing through the pipeline.
- the air conditioner system further includes: a first control valve, the first control valve is disposed on a pipeline connecting the outdoor heat exchanger and the indoor heat exchanger, and a part of the heat exchange portion is disposed in the outdoor heat exchanger and the first On the pipeline between the control valves, another portion of the heat exchange portion is disposed on the pipeline connecting the outdoor heat exchanger and the four-way valve.
- first inlet of the heat exchange portion is in communication with the outlet of the first control valve
- first outlet of the heat exchange portion is in communication with the inlet of the outdoor heat exchanger
- outlet of the outdoor heat exchanger is second with the heat exchange portion
- the inlet is in communication
- the second outlet of the heat exchange portion is selectively communicated with the suction port of the compressor or the exhaust port of the compressor through a four-way valve.
- the air conditioner system further includes: a second control valve disposed on the pipeline connecting the outdoor heat exchanger and the heat exchange portion.
- first control valve is an expansion valve
- second control valve is a two-way valve
- the air conditioner system further includes: a first bypass line, the first end of the first bypass line is connected to the pipeline between the inlet of the outdoor heat exchanger and the first outlet of the heat exchange portion, first The second end of the bypass line is connected to the line between the first inlet of the heat exchange portion and the outlet of the first control valve.
- the air conditioner system further includes: a second bypass line, the first end of the second bypass line is connected to the pipeline between the outlet of the outdoor heat exchanger and the second inlet of the heat exchange portion, and second The second end of the bypass line is connected to the line between the second outlet of the heat exchange portion and the four-way valve.
- the air conditioner system further includes: a third control valve, the third control valve is disposed on the first bypass line, the inlet of the third control valve is in communication with the inlet of the outdoor heat exchanger, and the outlet of the third control valve is The outlet of the first control valve is in communication.
- the air conditioner system further includes: a fourth control valve, the fourth control valve is disposed on the second bypass line, and the inlet of the fourth control valve is selectively in communication with the exhaust port of the compressor.
- the air conditioner system further includes: a fifth control valve disposed on a pipeline connecting the first inlet of the heat exchange portion and the outlet of the indoor heat exchanger, and the inlet and the indoor control of the fifth control valve
- the outlet of the heat exchanger is in communication
- the outlet of the fifth control valve is in communication with the first inlet of the heat exchange portion.
- the air conditioner system further includes: a sixth control valve, the sixth control valve is disposed on a pipeline connecting the second outlet of the heat exchange portion and the four-way valve, and the inlet of the sixth control valve and the heat exchange portion The two outlets are in communication, and the outlet of the sixth control valve is selectively communicated with the suction port or the exhaust port through the four-way valve.
- the heat exchange portion includes: a heat exchange body, the first heat exchanger body is provided with independent first and second pipelines, and the inlet of the first pipeline is connected to the outlet of the first control valve, the first pipe The outlet of the road is connected to the inlet of the outdoor heat exchanger, the inlet of the second pipeline is connected to the outlet of the outdoor heat exchanger, and the outlet of the second pipeline is selectively connected to the suction port of the compressor through a four-way valve or The exhaust ports of the compressor are connected.
- the heat exchange portion further includes: an auxiliary heater connected to the heat exchange body, and the auxiliary heater is configured to heat the refrigerant passing through the first line and/or the second line.
- the heat exchange portion further includes: a heat accumulator, a part of the heat accumulator is disposed adjacent to the compressor to collect heat on the compressor casing, and the heat accumulator is used to pass the first pipe and/or the second pipe The refrigerant in the road is heated.
- an air conditioner including an air conditioner system, which is the air conditioner system described above.
- the heat exchanger is used to heat the refrigerant in the pipeline to increase the heat of the refrigerant, so that the air conditioner system
- the four-way valve in the air conditioner system can realize the defrosting operation of the outdoor heat exchanger without reversing, and avoids the switch of the air conditioner system from the heating mode to the prior art.
- the four-way valve needs to be reversed to cause a problem in which the indoor temperature is lowered.
- the air conditioner can continuously supply heat to the indoors, so that the indoor temperature does not decrease in the defrosting mode.
- the heat exchanger is used to heat the refrigerant in the pipeline, which ensures that the air conditioner system has sufficient energy for heat exchange, and prevents the compressor from causing liquid shock due to insufficient heat transfer energy.
- Figure 1 shows a schematic structural view of an embodiment of an air conditioner system according to the present invention
- FIG. 2 is a flow chart showing an embodiment of the air conditioner system of FIG. 1 in a heating mode
- FIG. 3 is a flow chart showing an embodiment of the air conditioner system of FIG. 1 in a defrost mode
- FIG. 4 is a flow chart showing an embodiment of the air conditioner system of FIG. 1 in a cooling mode
- FIG. 5 is a block diagram showing another embodiment of an air conditioner system according to the present invention.
- Figure 6 is a flow chart showing an embodiment of the air conditioner system of Figure 5 in a heating mode
- Figure 7 is a flow chart showing an embodiment of the air conditioner system of Figure 5 in a defrost mode
- Figure 8 is a flow chart showing an embodiment of the air conditioner system of Figure 5 in a cooling mode.
- 61 a first control valve
- 62 a second control valve
- 63 a third control valve
- 64 a fourth control valve
- 65 a fifth control valve
- 66 a sixth control valve
- spatially relative terms such as “above”, “above”, “on top”, “above”, etc., may be used herein to describe as in the drawings.
- the exemplary term “above” can include both “over” and "under”.
- the device can also be positioned in other different ways (rotated 90 degrees or at other orientations) and the corresponding description of the space used herein is explained accordingly.
- an air conditioner system is provided.
- the air conditioner system includes an indoor heat exchanger 10, a four-way valve 20, a compressor 30, an outdoor heat exchanger 40, and a heat exchange portion 50 that are in communication.
- the heat exchange portion 50 is disposed on a pipeline connecting the outdoor heat exchanger 40 and the indoor heat exchanger 10, and the heat exchange portion 50 is also disposed on a pipeline connecting the outdoor heat exchanger 40 and the four-way valve 20, in the pair
- the outdoor heat exchanger 40 performs defrosting
- the refrigerant flows through the indoor heat exchanger 10 and the outdoor heat exchanger 40 through the four-way valve 20, and then flows back into the compressor 30 through the four-way valve 20, wherein the heat exchange portion 50
- the refrigerant flowing through the pipeline is heated.
- the heat exchange portion 50 may be disposed only on the piping between the outdoor heat exchanger 40 and the indoor heat exchanger 10, or only the heat exchange portion 50 may be disposed in the heat exchange portion 50. Connected to the line between the outdoor heat exchanger 40 and the four-way valve 20.
- the heat exchanger when the air conditioner system defroses the outdoor heat exchanger, the heat exchanger is used to heat the refrigerant in the pipeline to increase the heat of the refrigerant, so that the air conditioner
- the four-way valve in the air conditioner system can realize the defrosting operation of the outdoor heat exchanger without reversing, thereby avoiding the prior art air conditioner system from the heating mode.
- the four-way valve needs to be reversed to cause a problem of lowering the indoor temperature.
- the air conditioner can continuously supply heat to the indoors, so that the indoor temperature does not decrease in the defrosting mode.
- the heat exchanger is used to heat the refrigerant in the pipeline, which ensures that the air conditioner system has sufficient energy for heat exchange and prevents the compressor from causing liquid shock due to insufficient heat transfer energy.
- the technical solution effectively improves the reliability and practicability of the air conditioner system.
- the air conditioner system further includes a first control valve 61.
- the first control valve 61 is disposed on a pipeline connecting the outdoor heat exchanger 40 and the indoor heat exchanger 10, and a part of the heat exchange portion 50 is disposed on a pipeline connecting the outdoor heat exchanger 40 and the first control valve 61.
- the other portion of the heat exchange portion 50 is disposed on a line connecting the outdoor heat exchanger 40 and the four-way valve 20.
- A is the indoor unit part
- B is the outdoor unit part
- the first control valve 61 can be an expansion valve, so that the arrangement can adjust the refrigerant in the piping system by adjusting the opening degree of the expansion valve. The flow rate to improve the defrosting effect of the air conditioner.
- the first inlet of the heat exchange portion 50 is in communication with the outlet of the first control valve 61
- the first outlet of the heat exchange portion 50 is in communication with the inlet of the outdoor heat exchanger 40
- the second inlet of the portion 50 is in communication
- the second outlet of the heat exchange portion 50 is selectively in communication with the suction port of the compressor 30 or the exhaust port of the compressor 30 via the four-way valve 20.
- a second control valve 62 is further disposed on the pipeline system. Specifically, the second control valve 62 is disposed to communicate with the outdoor heat exchanger 40 and the heat exchange portion 50. Between the pipes.
- the second control valve 62 may be a two-way valve, such that the two-way valve can re-throttle the over-flow in the pipeline to further improve the defrosting effect of the air conditioner system.
- the air conditioner system further includes a first bypass line 71 and a second bypass line 72.
- the first end of the first bypass line 71 is connected to the line between the inlet of the outdoor heat exchanger 40 and the first outlet of the heat exchange portion 50, and the second end of the first bypass line 71 is connected to the heat exchange.
- the first end of the second bypass line 72 is connected to the line between the outlet of the outdoor heat exchanger 40 and the second inlet of the heat exchange portion 50, and the second end of the second bypass line 72 is connected to the heat exchange.
- the second outlet of the portion 50 is on the line between the four-way valve 20. This arrangement also enables the four-way valve to complete the defrosting operation without changing direction when the air conditioner system is switched from the heating mode to the defrosting mode.
- a third control valve 63, a fourth control valve 64, a fifth control valve 65, and a sixth control valve 66 are also provided in the air conditioner system.
- the third control valve 63 is disposed on the first bypass line 71, the inlet of the third control valve 63 is in communication with the inlet of the outdoor heat exchanger 40, and the outlet of the third control valve 63 is connected to the first control valve 61. The exits are connected.
- the fourth control valve 64 is disposed on the second bypass line 72, and the inlet of the fourth control valve 64 is selectively in communication with the exhaust port of the compressor 30.
- the fifth control valve 65 is disposed on a pipeline connecting the first inlet of the heat exchange portion 50 and the outlet of the indoor heat exchanger 10, and the inlet of the fifth control valve 65 is in communication with the outlet of the indoor heat exchanger 10, fifth The outlet of the control valve 65 is in communication with the first inlet of the heat exchange portion 50.
- the sixth control valve 66 is disposed on a pipeline connecting the second outlet of the heat exchange portion 50 and the four-way valve 20, and the inlet of the sixth control valve 66 is in communication with the second outlet of the heat exchange portion 50, and the sixth control valve The outlet of 66 is selectively in communication with the intake or exhaust port via a four-way valve 20.
- the third control valve 63, the fourth control valve 64, the fifth control valve 65, and the sixth control valve 66 are both one-way valves, and such an arrangement can effectively improve the reliability of the air conditioner system.
- the heat exchange portion 50 includes a heat exchange body, and the heat exchange body is provided with first and second pipelines independent of each other, and the inlet of the first pipeline communicates with the outlet of the first control valve 61, the first tube
- the outlet of the road is in communication with the inlet of the outdoor heat exchanger 40
- the inlet of the second conduit is in communication with the outlet of the outdoor heat exchanger 40
- the outlet of the second conduit is selectively connected to the compressor 30 via a four-way valve 20.
- the intake port or the exhaust port of the compressor 30 is in communication. Such an arrangement can further improve the heat exchange efficiency of the heat exchange portion 50.
- the heat exchange portion 50 further includes an auxiliary heater.
- the auxiliary heater is coupled to the heat exchange body for heating the refrigerant passing through the first line and/or the second line.
- a heat accumulator can be provided in the heat exchange portion, and the heat of the compressor can be collected by using the heat accumulator to effectively cool the compressor while also effectively utilizing
- the heat energy reduces the power consumption of the air conditioner and increases the practicality of the air conditioner system.
- the heat exchange portion 50 further includes a heat accumulator, and a portion of the heat accumulator is disposed adjacent to the compressor 30 to collect heat on the casing of the compressor 30, and the heat accumulator is used to pass through the first pipe and the second pipe. The refrigerant in the road is heated.
- the air conditioner system in the above embodiment can also be used in the technical field of air conditioner equipment, that is, according to another aspect of the present invention, an air conditioner is provided.
- the air conditioner includes an air conditioner system which is the air conditioner system in the above embodiment.
- the air conditioner system includes an indoor heat exchanger 10, a four-way valve 20, a compressor 30, an outdoor heat exchanger 40, and a heat exchange portion 50 that are in communication.
- the heat exchange portion 50 is disposed on a pipeline connecting the outdoor heat exchanger 40 and the indoor heat exchanger 10, and the heat exchange portion 50 is also disposed on a pipeline connecting the outdoor heat exchanger 40 and the four-way valve 20, in the pair
- the refrigerant flows through the indoor heat exchanger 10 and the outdoor heat exchanger 40 through the four-way valve 20, and then flows back into the compressor 30 through the four-way valve 20, wherein the heat exchange portion 50
- the refrigerant flowing through the pipeline is heated.
- the heat exchange portion 50 may be disposed only on the piping between the outdoor heat exchanger 40 and the indoor heat exchanger 10, or only the heat exchange portion 50 may be disposed in the heat exchange portion 50. Connected to the line between the outdoor heat exchanger 40 and the four-way valve 20.
- the heat exchanger when the air conditioner system defroses the outdoor heat exchanger, the heat exchanger is used to heat the refrigerant in the pipeline to increase the heat of the refrigerant, so that the air conditioner
- the four-way valve in the air conditioner system can realize the defrosting operation of the outdoor heat exchanger without reversing, thereby avoiding the prior art air conditioner system from the heating mode.
- the four-way valve needs to be reversed to cause a problem of lowering the indoor temperature.
- the air conditioner can continuously supply heat to the indoors, and at the same time, the heat exchanger is used to heat the refrigerant in the pipeline to ensure the air conditioner.
- the system has enough energy to exchange heat, preventing the compressor from causing liquid shock due to insufficient heat transfer energy.
- the technical solution effectively improves the reliability and practicability of the air conditioner system.
- the existing heat pump air conditioner cannot heat the room during the defrosting process, causing the room temperature to drop and affecting the comfort of the room.
- the air conditioner system provided by the present application can continue to supply heat to the room during the defrosting process, and the heating capacity is not attenuated, and has a strong defrosting capability, the defrosting effect is much better than the hot gas defrosting mode, and the compressor is absorbing. The degree of superheat is also guaranteed, and the reliability of the system is effectively improved.
- the air conditioner system in this embodiment has low cost investment, simple control, and is technically easy to implement.
- the heat exchange part is provided with a heating device such as a PTC, and two refrigerant bypass flow paths are provided, one is connected to the pipeline between the inlet of the two-way valve and the four-way valve, and the other is connected to the outlet of the outdoor heat exchanger to The line between the expansion valve inlets.
- the inlet of the two-way valve is connected to the four-way valve through the connecting pipe, passes through the heat exchange portion, and the outlet is connected to the inlet of the outdoor heat exchanger through the connecting pipe.
- the two-way valve has no throttling when it is opened, and has a throttling effect when it is closed (closed flow).
- the inlet of the outdoor heat exchanger is connected to the outlet of the two-way valve through a connecting pipe, and the outlet is connected to the inlet of the expansion valve through the connecting pipe, passing through the heat exchange portion.
- the inlet of the expansion valve is connected to the outlet of the outdoor heat exchanger through a connecting pipe, passes through the heat exchange portion, and the outlet is connected to the inlet of the indoor heat exchanger through the connecting pipe.
- the inlet of the indoor heat exchanger is connected to the outlet of the expansion valve through a connecting pipe, and the outlet is connected to the four-way valve through the connecting pipe.
- the suction and exhaust ports of the compressor are connected to the four-way valve through a connecting pipe.
- the inlet of the two-way valve is connected to the four-way valve through the connecting pipe, passes through the heat exchange portion, and the outlet is connected to the inlet of the outdoor heat exchanger through the connecting pipe.
- the inlet of the outdoor heat exchanger is connected to the outlet of the two-way valve through a connecting pipe, and the outlet is connected to the inlet of the expansion valve through the connecting pipe, passing through the heat exchange portion.
- the inlet of the expansion valve is connected to the outlet of the outdoor heat exchanger through a connecting pipe, and the outlet is connected to the inlet of the indoor heat exchanger through the connecting pipe.
- the inlet of the indoor heat exchanger is connected to the outlet of the expansion valve through a connecting pipe, and the outlet is connected to the four-way valve through the connecting pipe.
- the two-way valve is opened, the expansion valve functions as a throttle, and the heat exchange portion is not heated.
- the high-temperature and high-pressure refrigerant discharged from the compressor passes through the four-way valve and enters the indoor heat exchanger to condense into a high-pressure condensate.
- the high-pressure condensate is throttled and depressurized through the expansion valve into the outdoor heat exchanger to absorb heat and evaporate into a low-pressure superheated refrigerant.
- the four-way valve into the compressor suction port complete a heating cycle.
- the expansion valve is opened to the maximum, the two-way valve is closed to throttle, and the heat exchange unit is heated.
- the high-temperature and high-pressure refrigerant discharged from the compressor passes through the four-way valve and enters the indoor heat exchanger to condense into a high-pressure condensate.
- the high-pressure condensate is throttled and reduced by the expansion valve to become a medium-pressure gas-liquid two-phase state, and the medium-pressure gas-liquid two-phase refrigerant
- the medium-pressure superheated refrigerant enters the outdoor heat exchanger, and the exothermic defrost becomes the medium-pressure gas-liquid two-phase state (or medium-pressure liquid) refrigerant, and the medium-pressure gas-liquid two-phase state (or medium pressure)
- the liquid) refrigerant is throttled and reduced to a low-pressure gas-liquid two-phase state through a two-way valve.
- the low-pressure gas-liquid two-phase refrigerant becomes a low-pressure superheated refrigerant through the heat exchange portion, and the low-pressure superheated refrigerant enters the compressor suction port through the four-way valve. , complete a defrost cycle.
- the two-way valve is opened, the expansion valve functions as a throttle, and the heat exchange portion is not heated.
- the high-temperature and high-pressure refrigerant discharged from the compressor enters the outdoor heat exchanger and is condensed into a high-pressure condensate through a four-way valve.
- the high-pressure condensate is throttled and depressurized through the expansion valve to enter the indoor heat exchanger to absorb heat and evaporate into a low-pressure superheated refrigerant.
- a four-way valve enters the compressor suction port to complete a refrigeration cycle.
- the heat storage module of the heat accumulator is attached to the cylinder wall of the compressor, and the heat generated by the compressor is accumulated by the heat storage material, and a heating device such as a PTC is provided inside (can be set It may also be omitted. It is used to turn on the supplementary heat when the heat storage is insufficient, and is provided with two refrigerant flow paths, one connecting the inlet of the two-way valve to the pipeline between the sixth control valve, and the other connecting the outdoor heat exchanger. Exit to the line between the fifth controls.
- the inlet of the two-way valve is connected to the four-way valve through the connecting pipe, passes through the heat storage module, and has a sixth control valve in the middle, and the outlet is connected to the inlet of the outdoor heat exchanger through the connecting pipe.
- the flow direction of the sixth control valve is from the two-way valve to the four-way valve. Both ends of the two-way valve, the heat storage module, and the sixth control valve flow path are connected in parallel with the branch line having the fourth control valve.
- the fourth control valve flows in the direction of the four-way valve to the outdoor heat exchanger.
- the inlet of the outdoor heat exchanger is connected to the outlet of the two-way valve through the connecting pipe, and the outlet is connected to the inlet of the expansion valve through the connecting pipe, passing through the heat storage module, and the middle string has the fifth control.
- the fifth control flow direction is from the expansion valve to the outdoor heat exchanger. Both ends of the heat storage module and the fifth control flow path are connected in parallel with the branch line having the third control valve.
- the flow direction of the third control valve is from the outdoor heat exchanger to the expansion valve.
- the inlet of the expansion valve is connected to the fifth control and the third control valve through a connecting line, and the outlet is connected to the inlet of the indoor heat exchanger through the connecting line.
- the inlet of the indoor heat exchanger is connected to the outlet of the expansion valve through a connecting pipe, and the outlet is connected to the four-way valve through the connecting pipe.
- the system includes a compressor, a four-way valve, an outdoor heat exchanger, an indoor heat exchanger, an expansion valve, a two-way valve, a heat exchange portion, a fifth control, a sixth control valve, a third control valve, and a fourth Control valves and connecting lines and other components.
- the heat storage module of the heat exchange unit is attached to the cylinder wall of the compressor, and the heat generated by the compressor is accumulated by the heat storage material, and a heating device such as a PTC is provided inside, and the heat is turned on when the heat storage is insufficient, and two heat sources are provided.
- One refrigerant flow path one connecting the inlet of the two-way valve to the pipeline between the sixth control valve, and the other connecting the outlet of the outdoor heat exchanger to the pipeline between the fifth control.
- the suction and exhaust ports of the compressor are connected to the four-way valve through a connecting pipe.
- the inlet of the two-way valve is connected to the four-way valve through the connecting pipe, passes through the heat storage module, and has a sixth control valve in the middle, and the outlet is connected to the inlet of the outdoor heat exchanger through the connecting pipe.
- Both ends of the two-way valve, the heat storage module, and the sixth control valve flow path are connected in parallel with the branch line having the fourth control valve.
- the inlet of the outdoor heat exchanger is connected to the outlet of the two-way valve through the connecting pipe, and the outlet is connected to the inlet of the expansion valve through the connecting pipe, passing through the heat storage module, and the middle string has the fifth control.
- Both ends of the heat storage module and the fifth control flow path are connected in parallel with the branch line having the third control valve.
- the inlet of the expansion valve is connected to the fifth control and the third control valve through a connecting line, and the outlet is connected to the inlet of the indoor heat exchanger through the connecting line.
- the inlet of the indoor heat exchanger is connected to the outlet of the expansion valve through a connecting pipe, and the outlet is connected to the four-way valve through the connecting pipe.
- the two-way valve is opened, the expansion valve functions as a throttle, and the internal heating device of the thermal storage module does not turn on the heating.
- the high-temperature and high-pressure refrigerant discharged from the compressor passes through the four-way valve and enters the indoor heat exchanger to condense into a high-pressure condensate.
- the high-pressure condensate is throttled and depressurized through the expansion valve, and passes through the fifth control to enter the heat storage module to absorb heat, and then enters the outdoor
- the heat exchanger absorbs heat and evaporates into a low-pressure superheated refrigerant.
- the low-pressure superheated refrigerant enters the heat storage module to absorb heat, and then passes through the sixth control valve to enter the compressor suction port through the four-way valve to complete a heating cycle.
- the expansion valve is opened to the maximum, the two-way valve is closed to throttle, and the internal heating device of the thermal storage module is turned on to heat (the heating device may not be opened when the frost is light).
- the high-temperature and high-pressure refrigerant discharged from the compressor passes through the four-way valve and enters the indoor heat exchanger to condense into a high-pressure condensate.
- the high-pressure condensate is throttled and reduced by the expansion valve to become a medium-pressure gas-liquid two-phase state, and the medium-pressure gas-liquid two-phase refrigerant
- the heat storage module enters the heat storage module to become the medium-pressure superheated refrigerant
- the medium-pressure superheated refrigerant enters the outdoor heat exchanger to release the heat and defrost into a medium-pressure gas-liquid two-phase state (or medium-pressure liquid) refrigerant, medium-pressure gas-liquid two
- the phase (or medium-pressure liquid) refrigerant is throttled and reduced to a low-pressure gas-liquid two-phase state through a two-way valve, and the low-pressure gas-liquid two-phase refrigerant enters the heat storage module to absorb heat, and then passes through the sixth control valve through the four-way valve. Enter the compressor suction port and complete a defrost cycle.
- the two-way valve is opened, the expansion valve functions as a throttle, and the internal heating device of the thermal storage module does not turn on the heating.
- the high temperature and high pressure refrigerant discharged from the compressor passes through the fourth control valve and enters the outdoor heat exchanger to condense and condense into high pressure condensate.
- the high pressure condensate passes through the third control valve and is throttled and depressurized through the expansion valve to enter the indoor heat exchanger.
- the heat is evaporated into a low-pressure superheated refrigerant, and the low-pressure superheated refrigerant enters the compressor suction port through the four-way valve to complete a refrigeration cycle.
Abstract
Description
Claims (15)
- 一种空调器系统,其特征在于,包括相连通的室内换热器(10)、四通阀(20)、压缩机(30)、室外换热器(40),所述空调器系统还包括:换热部(50),所述换热部(50)设置于连通所述室外换热器(40)与所述室内换热器(10)之间的管路上,和/或,所述换热部(50)设置于连通所述室外换热器(40)与所述四通阀(20)之间的管路上,在对所述室外换热器(40)进行除霜时,冷媒经所述四通阀(20)依次流经所述室内换热器(10)、所述室外换热器(40),然后经所述四通阀(20)回流至所述压缩机(30)内,其中,所述换热部(50)对流经所述管路内的冷媒进行加热。
- 根据权利要求1所述的空调器系统,其特征在于,所述空调器系统还包括:第一控制阀(61),所述第一控制阀(61)设置于连通所述室外换热器(40)与所述室内换热器(10)之间的管路上,部分的所述换热部(50)设置于连通所述室外换热器(40)与所述第一控制阀(61)之间的管路上,另一部分的所述换热部(50)设置于连通所述室外换热器(40)与所述四通阀(20)之间的管路上。
- 根据权利要求2所述的空调器系统,其特征在于,所述换热部(50)的第一进口与所述第一控制阀(61)的出口相连通,所述换热部(50)的第一出口与所述室外换热器(40)的进口相连通,所述室外换热器(40)的出口与所述换热部(50)的第二进口相连通,所述换热部(50)的第二出口通过所述四通阀(20)可选择地与所述压缩机(30)的吸气口或所述压缩机(30)的排气口相连通。
- 根据权利要求3所述的空调器系统,其特征在于,所述空调器系统还包括:第二控制阀(62),所述第二控制阀(62)设置于连通所述室外换热器(40)与换热部(50)之间的管路上。
- 根据权利要求4所述的空调器系统,其特征在于,所述第一控制阀(61)为膨胀阀,和/或所述第二控制阀(62)为二通阀。
- 根据权利要求4所述的空调器系统,其特征在于,所述空调器系统还包括:第一旁通管路(71),所述第一旁通管路(71)的第一端连接于所述室外换热器(40)的进口与所述换热部(50)的第一出口之间的管路上,所述第一旁通管路(71)的第二端连接于所述换热部(50)的第一进口与所述第一控制阀(61)的出口之间的管路上。
- 根据权利要求6所述的空调器系统,其特征在于,所述空调器系统还包括:第二旁通管路(72),所述第二旁通管路(72)的第一端连接于所述室外换热器(40)的出口与所述换热部(50)的第二进口之间的管路上,所述第二旁通管路(72)的第二端连接于所述换热部(50)的第二出口与所述四通阀(20)之间的管路上。
- 根据权利要求7所述的空调器系统,其特征在于,所述空调器系统还包括:第三控制阀(63),所述第三控制阀(63)设置于所述第一旁通管路(71)上,所述第三控制阀(63)的进口与所述室外换热器(40)的进口相连通,所述第三控制阀(63)的出口与所述第一控制阀(61)的出口相连通。
- 根据权利要求7所述的空调器系统,其特征在于,所述空调器系统还包括:第四控制阀(64),所述第四控制阀(64)设置于所述第二旁通管路(72)上,所述第四控制阀(64)的进口可选择地与所述压缩机(30)的排气口相连通。
- 根据权利要求7所述的空调器系统,其特征在于,所述空调器系统还包括:第五控制阀(65),所述第五控制阀(65)设置于连通所述换热部(50)的第一进口与所述室内换热器(10)的出口之间的管路上,所述第五控制阀(65)的进口与所述室内换热器(10)的出口相连通,所述第五控制阀(65)的出口与所述换热部(50)的第一进口相连通。
- 根据权利要求7所述的空调器系统,其特征在于,所述空调器系统还包括:第六控制阀(66),所述第六控制阀(66)设置于连通所述换热部(50)的第二出口与所述四通阀(20)之间的管路上,所述第六控制阀(66)的进口与所述换热部(50)的第二出口相连通,所述第六控制阀(66)的出口通过所述四通阀(20)可选择地与所述吸气口或所述排气口相连通。
- 根据权利要求2所述的空调器系统,其特征在于,所述换热部(50)包括:换热本体,所述换热本体内设置有相互独立的第一管路和第二管路,所述第一管路的进口与所述第一控制阀(61)的出口相连通,所述第一管路的出口与所述室外换热器(40)的进口相连通,所述第二管路的进口与所述室外换热器(40)的出口相连通,所述第二管路的出口通过所述四通阀(20)可选择地与所述压缩机(30)的吸气口或所述压缩机(30)的排气口相连通。
- 根据权利要求12所述的空调器系统,其特征在于,所述换热部(50)还包括:辅助加热器,所述辅助加热器与所述换热本体相连接,所述辅助加热器用于给通过所述第一管路和/或所述第二管路内的冷媒加热。
- 根据权利要求12所述的空调器系统,其特征在于,所述换热部(50)还包括:蓄热器,部分的所述蓄热器与所述压缩机(30)相邻设置以收集所述压缩机(30)壳体上的热量,所述蓄热器用于给通过所述第一管路和/或所述第二管路内的冷媒加热。
- 一种空调器,包括空调器系统,其特征在于,所述空调器系统为权利要求1至14中任一项所述的空调器系统。
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