CN106765617B - Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner - Google Patents
Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner Download PDFInfo
- Publication number
- CN106765617B CN106765617B CN201710093728.7A CN201710093728A CN106765617B CN 106765617 B CN106765617 B CN 106765617B CN 201710093728 A CN201710093728 A CN 201710093728A CN 106765617 B CN106765617 B CN 106765617B
- Authority
- CN
- China
- Prior art keywords
- flow path
- heat exchange
- injection enthalpy
- exchange flow
- air injection
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F1/00—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station
- F24F1/0003—Room units for air-conditioning, e.g. separate or self-contained units or units receiving primary air from a central station characterised by a split arrangement, wherein parts of the air-conditioning system, e.g. evaporator and condenser, are in separately located units
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F5/00—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater
- F24F5/0007—Air-conditioning systems or apparatus not covered by F24F1/00 or F24F3/00, e.g. using solar heat or combined with household units such as an oven or water heater cooling apparatus specially adapted for use in air-conditioning
- F24F5/001—Compression cycle type
-
- 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
-
- 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
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
- F25B29/003—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously of the compression type system
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B47/00—Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
- F25B47/02—Defrosting cycles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F25B49/00—Arrangement or mounting of control or safety devices
- F25B49/02—Arrangement or mounting of control or safety devices for compression type machines, plants or systems
-
- 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
- F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
- F24F11/41—Defrosting; Preventing freezing
-
- 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
- F24F11/65—Electronic processing for selecting an operating mode
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F11/00—Control or safety arrangements
- F24F11/70—Control systems characterised by their outputs; Constructional details thereof
- F24F11/80—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air
- F24F11/83—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers
- F24F11/84—Control systems characterised by their outputs; Constructional details thereof for controlling the temperature of the supplied air by controlling the supply of heat-exchange fluids to heat-exchangers using valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/027—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means
- F25B2313/02741—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using one four-way valve
-
- 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
- F25B2341/00—Details of ejectors not being used as compression device; Details of flow restrictors or expansion valves
- F25B2341/001—Ejectors not being used as compression device
-
- 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
- F25B2347/00—Details for preventing or removing deposits or corrosion
- F25B2347/02—Details of defrosting cycles
- F25B2347/023—Set point defrosting
-
- 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
- F25B2600/00—Control issues
- F25B2600/25—Control of valves
Abstract
The present invention provides a kind of air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioners, wherein the air injection enthalpy-increasing heat pump air conditioning system includes: compressor, including exhaust outlet, jet port and gas returning port；Commutate component, including the first valve port to the 4th valve port；Outdoor heat exchanger；First Heat Exchanger and the first solenoid valve, First Heat Exchanger include the first heat exchange flow path and the second heat exchange flow path；Second heat exchanger and second solenoid valve, second heat exchanger includes third heat exchange flow path and the 4th heat exchange flow path, the first end of third heat exchange flow path is connected to the second end of the second heat exchange flow path, the second end of third heat exchange flow path is connected to the second end of the first solenoid valve, the first end of 4th heat exchange flow path and the third valve port of commutation component are connected to the first end of second solenoid valve, and the second end of second solenoid valve is connected to the first end of the first heat exchange flow path；And gas-liquid separator.It according to the technical solution of the present invention, can be to avoid air conditioner wet operating of compressor in defrosting.
Description
Technical field
The present invention relates to refrigeration and air-conditioning technical fields, in particular to air injection enthalpy-increasing heat pump air conditioning system, are used for the spray
The control method of gas enthalpy increasing heat pump air-conditioning system, control device and air conditioner for the air injection enthalpy-increasing heat pump air conditioning system.
Background technique
When air conditioner is run in a heating mode in winter, outdoor environment temperature is low, and the temperature of outdoor condenser is lower, room
There is the case where frosting in external condenser, reduces heating effect.It can defrost to outdoor condenser, to improve air conditioner
Reliability and heating effect when heat pump air conditioning system is run.
In relevant defrosting scheme, in the case where air conditioner without shutting, the frequency of compressor is adjusted, then passes through four
Port valve commutation goes to refrigeration mode and defrosts.In the defrosting incipient stage, compressor frequency is reduced, and is flowed out from gas-liquid separator
Refrigerant is reduced, and the liquid refrigerant in gas-liquid separator is caused to increase；After four-way valve commutation, it is switched to refrigeration mode fortune
Row, since outdoor environment temperature is low, condensation effect is good, results in during defrosting, and compressor row's suction temperature is low, air-breathing mistake
The case where temperature is low, and compressor is in wet operating condition, and compressor will appear oil starvation and liquid hammer when serious, has seriously affected compression
The service life of machine reduces air conditioner reliability of operation.
Therefore, compressor during defrosting how is avoided to be in wet operating condition, to extend the use longevity of compressor
Life becomes technical problem urgently to be resolved.
Summary of the invention
The present invention is directed to solve at least one of the technical problems existing in the prior art or related technologies.
For this purpose, an object of the present invention is to provide a kind of air injection enthalpy-increasing heat pump air conditioning systems.
It is another object of the present invention to propose a kind of control method for air injection enthalpy-increasing heat pump air conditioning system.
Yet another object of the invention is that proposing a kind of control device for air injection enthalpy-increasing heat pump air conditioning system.
Another object of the present invention is to propose a kind of air conditioner.
To realize at least one above-mentioned purpose, according to the embodiment of the first aspect of the invention, a kind of jet increasing is proposed
Enthalpy heat pump air conditioning system, comprising: compressor, including exhaust outlet, jet port and gas returning port；Commutate component, including the first valve port is extremely
4th valve port, first valve port are connected to the exhaust outlet, and the 4th valve port is connected to the first end of indoor heat exchanger；Room
External heat exchanger, the first end of the outdoor heat exchanger are connected to the second valve port of the commutation component；First Heat Exchanger and first
Solenoid valve, the First Heat Exchanger include the first heat exchange flow path and the second heat exchange flow path, the first end of the first heat exchange flow path
It is connected to the jet port, the first end and described first of the second end of the first heat exchange flow path, the second heat exchange flow path
The first end of solenoid valve is connected to the second end of the indoor heat exchanger, and the second end of the second heat exchange flow path is connected to institute
State the second end of outdoor heat exchanger；Second heat exchanger and second solenoid valve, second heat exchanger include third heat exchange flow path and
4th heat exchange flow path, the first end of the third heat exchange flow path are connected to the second end of the second heat exchange flow path, the third
The second end of heat exchange flow path is connected to the second end of first solenoid valve, the first end of the 4th heat exchange flow path and described changes
The first end of the second solenoid valve is connected to the third valve port of component, the second end of the second solenoid valve is connected to institute
State the first end of the first heat exchange flow path；And gas-liquid separator, the entrance of the gas-liquid separator are connected to the 4th heat exchange
The second end of flow path, the outlet of the gas-liquid separator are connected to the gas returning port.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention, when air injection enthalpy-increasing heat pump air conditioning system is heating
When running under mode, with the decline of outdoor environment temperature, outdoor heat exchanger can gradually frosting.By empty in air injection enthalpy-increasing heat pump
Second heat exchanger is set in adjusting system, and before defrosting to outdoor heat exchanger, the refrigerant of medium temperature and medium pressure enters second heat exchange
Third heat exchange flow path in device, so that third heat exchange flow path heating storage heat.When defrosting to outdoor heat exchanger, refrigeration
When by the 4th heat exchange flow path of the second heat exchanger, the heat stored before third heat exchange flow path release, the 4th heat exchange is flowed for agent
Refrigerant suction heat of vaporization in road improves suction superheat so that the delivery temperature of compressor and suction temperature increase,
It avoids compressor and is in wet operating condition and avoids compressor and the case where oil starvation and liquid hammer occur, to ensure that compressor
Service life, and then improve the reliability service of air injection enthalpy-increasing heat pump air conditioning system.
Air injection enthalpy-increasing heat pump air conditioning system according to the abovementioned embodiments of the present invention, can also have following technical characteristic:
According to one embodiment of present invention, further includes: the first heat exchange flow path is arranged in air injection enthalpy-increasing throttle valve
Between second end and the first end of first solenoid valve.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention, by first heat exchange flow path second end and
Air injection enthalpy-increasing throttle valve is set between the first end of the first solenoid valve, with by the air injection enthalpy-increasing throttle valve to flowing through the first heat exchange
The flow of the refrigerant of flow path is controlled.
According to one embodiment of present invention, further includes: check valve, be arranged in it is described second heat exchange flow path second end and
Between the first end of the third heat exchange flow path, and the outlet of the check valve is connected to the second of the second heat exchange flow path
End.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention, by second heat exchange flow path second end and
Check valve is set between the first end of third heat exchange flow path, ensure that refrigerant is flowed out from the first end of third heat exchange flow path,
The first end that refrigerant is flowed into third heat exchange flow path from the second end of the second heat exchange flow path is avoided, is changed so as to avoid second
The loss of the heat of hot device storage.
According to one embodiment of present invention, further includes: the second end of the outdoor heat exchanger is arranged in main road throttle valve
Between the outlet of the check valve.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention passes through the second end and list in outdoor heat exchanger
To main road throttle valve is arranged between the outlet of valve, to pass through the main road throttle valve to the refrigerant stream being flowed into outdoor heat exchanger
The refrigerant flow in the second heat exchange flow path is measured or is flowed into be controlled.
According to one embodiment of present invention, further includes: oil eliminator is arranged in the exhaust outlet and first valve port
Between.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention, by the way that oil eliminator is arranged, to ensure that
Air injection enthalpy-increasing heat pump air conditioning system can be stablized, reliably run.
According to one embodiment of present invention, the quantity of the compressor is one or more, in the number of the compressor
In the case that amount is multiple, multiple compressor parallel connections.
According to one embodiment of present invention, further includes: air injection enthalpy-increasing solenoid valve, if the quantity of the compressor is one
A, then the quantity of the air injection enthalpy-increasing solenoid valve is one, and is arranged in the of the jet port and the first heat exchange flow path
Between one end, if the quantity of the compressor be it is multiple, the quantity of the air injection enthalpy-increasing solenoid valve is multiple, multiple pressures
Contracting machine and multiple air injection enthalpy-increasing solenoid valves correspond, the jet port of each compressor and first heat exchange
The air injection enthalpy-increasing solenoid valve corresponding with each compressor is provided between the first end of flow path.
The air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention, the jet port of each compressor and the first heat exchange
An air injection enthalpy-increasing solenoid valve is provided between the first end of flow path, with by air injection enthalpy-increasing solenoid valve to being flowed into jet port
Refrigerant flow is controlled.
According to one embodiment of present invention, the First Heat Exchanger and/or second heat exchanger change for phase-change material
Hot device.
Embodiment according to the second aspect of the invention proposes a kind of for described in any one of above-mentioned technical proposal
The control method of air injection enthalpy-increasing heat pump air conditioning system, comprising: when the air injection enthalpy-increasing heat pump air conditioning system operates in heating mode
When, it controls first solenoid valve and opens and control the second solenoid valve closing；Determine whether to the air injection enthalpy-increasing heat pump
Air-conditioning system carries out defrosting operation；If it is determined that carrying out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system, then described in control
Air injection enthalpy-increasing heat pump air conditioning system operates in refrigeration mode, the second solenoid valve is closed and controlled to control first solenoid valve
It opens.
The control method of embodiment according to the present invention, air injection enthalpy-increasing heat pump air conditioning system run in a heating mode,
Before being defrosted, by opening the first solenoid valve, so that the refrigerant of medium temperature and medium pressure enters third heat exchange flow path, so that third
The heat absorption of heat exchange flow path heats up and stores heat.In addition, avoiding the refrigeration flowed out from commutation component by closing second solenoid valve
The case where agent flows back guarantees that the refrigerant flowed out from commutation component is all flowed into the 4th heat exchange flow path.When being defrosted,
By closing the first solenoid valve, it ensure that the refrigerant flowed out from the second heat exchange flow path is flowed into indoor heat exchanger, and non-streaming
Enter into third heat exchange flow path.In addition, by opening second solenoid valve, so that can be with from the refrigerant that the second heat exchange flow path flows out
It is flowed into the 4th heat exchange flow path by the first heat exchange flow path, third exchanges heat before the refrigerant suction in the 4th heat exchange flow path
The heat of flow path storage improves suction superheat, avoids compression so that the delivery temperature of compressor and suction temperature increase
Machine, which is in wet operating condition and avoids compressor, there is the case where oil starvation and liquid hammer, to ensure that the use longevity of compressor
Life, and then improve the reliability service of air injection enthalpy-increasing heat pump air conditioning system.
Embodiment according to the third aspect of the invention we proposes a kind of for described in any one of above-mentioned technical proposal
The control device of air injection enthalpy-increasing heat pump air conditioning system, comprising: first control unit, for working as air injection enthalpy-increasing heat pump air conditioner system
When system operates in heating mode, controls first solenoid valve and open and control the second solenoid valve closing；Determination unit is used
In determining whether to carry out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system；Second control unit, in the determination
In the case that unit determination carries out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system, it is empty to control the air injection enthalpy-increasing heat pump
Adjusting system operates in refrigeration mode, control first solenoid valve is closed and controlled the second solenoid valve and opens.
The control device of embodiment according to the present invention, the operation of air injection enthalpy-increasing heat pump air conditioning system are transported in a heating mode
Row, by opening the first solenoid valve, so that the refrigerant of medium temperature and medium pressure enters third heat exchange flow path, makes before being defrosted
The heat absorption of third heat exchange flow path is obtained, heats up and stores heat.In addition, being avoided by closing second solenoid valve from commutation component outflow
Refrigerant reflux the case where, that is, guarantee from commutation component flow out refrigerant be all flowed into the 4th heat exchange flow path in.Carry out
When defrosting, by closing the first solenoid valve, it ensure that the refrigerant flowed out from the second heat exchange flow path is flowed into indoor heat exchanger,
Rather than it is flowed into third heat exchange flow path.In addition, by opening second solenoid valve, so that the refrigeration flowed out from the second heat exchange flow path
Agent can be flowed into the 4th heat exchange flow path by the first heat exchange flow path, the before the refrigerant suction in the 4th heat exchange flow path
The heat of three heat exchange flow path storages improves suction superheat, avoids so that the delivery temperature of compressor and suction temperature increase
Compressor, which is in wet operating condition and avoids compressor, there is the case where oil starvation and liquid hammer, to ensure that making for compressor
With the service life, and then improve the reliability service of air injection enthalpy-increasing heat pump air conditioning system.
Embodiment according to the fourth aspect of the invention proposes a kind of air conditioner, comprising: as appointed in above-mentioned technical proposal
Air injection enthalpy-increasing heat pump air conditioning system described in one；And control device as described in the above technical scheme, therefore, the air-conditioning
Device has technical effect identical with the air injection enthalpy-increasing heat pump air conditioning system described in any one of above-mentioned technical proposal, and the air-conditioning
Device has technical effect identical with the control device described in any one of above-mentioned technical proposal, and details are not described herein.
Additional aspect and advantage of the invention will be set forth in part in the description, and will partially become from the following description
Obviously, or practice through the invention is recognized.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the structural schematic diagram of the air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention；
Fig. 2 shows the control methods according to an embodiment of the invention for air injection enthalpy-increasing heat pump air conditioning system
Schematic flow diagram；
Fig. 3 shows the signal of the control device for air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention
Block diagram；
Fig. 4 shows the schematic block diagram of the air conditioner of embodiment according to the present invention.
Wherein, the corresponding relationship in Fig. 1 between the label and component names of attached drawing are as follows:
100 air injection enthalpy-increasing heat pump air conditioning systems, 102 compressors, 1022 exhaust outlets, 1024 jet ports, 1026 gas returning ports,
104 commutation components, 1,042 first valve ports, 1,044 second valve ports, 1046 third valve ports, 1048 the 4th valve ports, 106 outdoor heat exchanges
Device, 108 First Heat Exchangers, 1,082 first heat exchange flow paths, 1,084 second heat exchange flow paths, 110 first solenoid valves, 112 second heat exchange
Device, 1122 thirds heat exchange flow path, 1124 the 4th heat exchange flow paths, 114 second solenoid valves, 116 gas-liquid separators, 118 jets increase
Enthalpy throttle valve, 120 check valves, 122 main road throttle valves, 124 oil eliminators, 126 air injection enthalpy-increasing solenoid valves.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Fig. 1 shows the structural schematic diagram of the air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention.
As shown in Figure 1, the air injection enthalpy-increasing heat pump air conditioning system 100 of embodiment according to the present invention, comprising: compressor 102,
Including exhaust outlet 1022, jet port 1024 and gas returning port 1026；Commutate component 104, including 1042 to the 4th valve port of the first valve port
1048, the first valve port 1042 is connected to exhaust outlet 1022, and the 4th valve port 1048 is connected to the first end of indoor heat exchanger；Outdoor is changed
Hot device 106, the first end of outdoor heat exchanger 106 are connected to the second valve port 1044 of commutation component 104；108 He of First Heat Exchanger
First solenoid valve 110, First Heat Exchanger 108 include the first heat exchange flow path 1082 and the second heat exchange flow path 1084, the first heat exchange stream
The first end on road 1082 is connected to jet port 1024, and the of the second end of the first heat exchange flow path 1082, the second heat exchange flow path 1084
The first end of one end and the first solenoid valve 110 is connected to the second end of indoor heat exchanger, and the second of the second heat exchange flow path 1084
End is connected to the second end of outdoor heat exchanger 106；Second heat exchanger 112 and second solenoid valve 114, the second heat exchanger 112 include
Third heat exchange flow path 1122 and the 4th heat exchange flow path 1124, the first end of third heat exchange flow path 1122 are connected to the second heat exchange flow path
1084 second end, the second end of third heat exchange flow path 1122 are connected to the second end of the first solenoid valve 110, the 4th heat exchange stream
The first end on road 1124 and the third valve port 1046 of commutation component 104 are connected to the first end of second solenoid valve 114, the second electricity
The second end of magnet valve 114 is connected to the first end of the first heat exchange flow path 1082；And gas-liquid separator 116, gas-liquid separator 116
Entrance be connected to the 4th heat exchange flow path 1124 second end, the outlet of gas-liquid separator 116 is connected to gas returning port 1026.
In the technical scheme, when air injection enthalpy-increasing heat pump air conditioning system 100 is run in a heating mode, with outdoor ring
The decline of border temperature, outdoor heat exchanger 106 can gradually frostings.By being arranged second in air injection enthalpy-increasing heat pump air conditioning system 100
Heat exchanger 112, before defrosting to outdoor heat exchanger 106, the refrigerant of medium temperature and medium pressure enters the in second heat exchanger 112
Three heat exchange flow paths 1122, so that the third heat exchange heating storage heat of flow path 1122.When defrosting to outdoor heat exchanger 106,
For refrigerant when by the 4th heat exchange flow path 1124 of the second heat exchanger 112, third exchanges heat what the release of flow path 1122 stored before
Heat, the 4th heat exchange flow path 1124 in refrigerant suction heat of vaporization so that the delivery temperature and suction temperature of compressor 102
It increases, improves suction superheat, avoid compressor 102 and be in wet operating condition and avoid compressor 102 and oil starvation occur
And the case where liquid hammer, to ensure that the service life of compressor 102, and then improve air injection enthalpy-increasing heat pump air conditioning system 100
Reliability service.
Wherein, commutation component 104 includes but is not limited to four-way valve.
In the above-mentioned technical solutions, it is preferable that further include: air injection enthalpy-increasing throttle valve 118, setting is in the first heat exchange flow path
Between 1082 second end and the first end of the first solenoid valve 110.
In the technical scheme, by the second end of the first heat exchange flow path 1082 and the first end of the first solenoid valve 110
Between air injection enthalpy-increasing throttle valve 118 is set, with by the air injection enthalpy-increasing throttle valve 118 to flowing through the first heat exchange flow path 1082
The flow of refrigerant is controlled.
In any of the above-described technical solution, it is preferable that further include: the second heat exchange flow path 1084 is arranged in check valve 120
Between second end and the first end of third heat exchange flow path 1122, and the outlet of check valve 120 is connected to the second heat exchange flow path 1084
Second end.
In the technical scheme, by second heat exchange flow path 1084 second end and third exchange heat flow path 1122 first
Check valve 120 is set between end, ensure that refrigerant is to avoid refrigeration from the first end outflow of third heat exchange flow path 1122
Agent is flowed into the first end of third heat exchange flow path 1122 from the second end of the second heat exchange flow path 1084, so as to avoid the second heat exchange
The loss for the heat that device 112 stores.
In any of the above-described technical solution, it is preferable that further include: main road throttle valve 122 is arranged in outdoor heat exchanger 106
Second end and check valve 120 outlet between.
In the technical scheme, it is led by being arranged between the second end of outdoor heat exchanger 106 and the outlet of check valve 120
Road throttle valve 122, to pass through the main road throttle valve 122 to the refrigerant flow or inflow being flowed into outdoor heat exchanger 106
It is controlled to the refrigerant flow in the second heat exchange flow path 1084.
In any of the above-described technical solution, it is preferable that further include: oil eliminator 124 is arranged in exhaust outlet 1022 and first
Between valve port 1042.
In the technical scheme, by the way that oil eliminator 124 is arranged, to ensure that air injection enthalpy-increasing heat pump air conditioning system 100
It can stablize, reliably run.
In any of the above-described technical solution, it is preferable that the quantity of compressor 102 is one or more, in compressor 102
In the case that quantity is multiple, multiple compressors 102 are connected in parallel.
In any of the above-described technical solution, it is preferable that further include: air injection enthalpy-increasing solenoid valve 126, if the number of compressor 102
Amount is one, then the quantity of air injection enthalpy-increasing solenoid valve 126 is one, and is arranged in jet port 1024 and the first heat exchange flow path 1082
First end between, if the quantity of compressor 102 be it is multiple, the quantity of air injection enthalpy-increasing solenoid valve 126 is multiple, multiple compressions
Machine 102 and multiple air injection enthalpy-increasing solenoid valves 126 correspond, the jet port 1024 of each compressor 102 and the first heat exchange flow path
Air injection enthalpy-increasing solenoid valve 126 corresponding with each compressor 102 is provided between 1082 first end.
In the technical scheme, the jet port 1024 of each compressor 102 and first heat exchange flow path 1082 first end it
Between be provided with an air injection enthalpy-increasing solenoid valve 126, with by air injection enthalpy-increasing solenoid valve 126 to the refrigeration for being flowed into jet port 1024
Agent flux is controlled.
According to one embodiment of present invention, First Heat Exchanger and/or the second heat exchanger are phase change material heat exchanger.
There are two compressor 102, each compressors 102 corresponding one for air injection enthalpy-increasing heat pump air conditioning system 100 shown in Fig. 1
A air injection enthalpy-increasing solenoid valve 126.
Flow direction of the refrigerant in air injection enthalpy-increasing heat pump air conditioning system 100 is specifically described below.
When air injection enthalpy-increasing heat pump air conditioning system 100 is run in a heating mode, the first valve port 1042 and the 4th valve port
1048 connect, and the second valve port 1044 is connected with third valve port 1046, and the first solenoid valve 110 is opened, and second solenoid valve 114 is closed,
Refrigerant successively passes through: compressor 102, oil eliminator 124, the first valve port 1042 of component 104 of commutating, the 4th valve port 1048,
First end, the second end of indoor heat exchanger of indoor heat exchanger, a part system then flowed out from the second end of indoor heat exchanger
Cryogen successively passes through: the second heat exchange flow path 1084, main road throttle valve 122, outdoor heat exchanger 106, the second valve port 1044, third
Valve port the 1046, the 4th heat exchange flow path 1124, gas-liquid separator 116.And from the second end of indoor heat exchanger flow out another portion
Refrigerant is divided successively to pass through: the first solenoid valve 110, third heat exchange flow path 1122, check valve 120, main road throttle valve 122, outdoor
Heat exchanger 106, the second valve port 1044, third valve port the 1046, the 4th heat exchange flow path 1124, gas-liquid separator 116.
When air injection enthalpy-increasing heat pump air conditioning system 100 carries out defrosting operation, commutation component 104 commutates, the first valve port
1042 connect with the second valve port 1044, and third valve port 1046 is connected with the 4th valve port 1048, so that air injection enthalpy-increasing heat pump air conditioner system
System 100 is run in cooling mode.When the commutation of component 104 that commutates is completed, the first solenoid valve 110 is closed, the second electromagnetism is opened
Valve 114.Refrigerant successively passes through: compressor 102, oil eliminator 124, the first valve port 1042, the second valve port 1044, outdoor are changed
Hot device 106, the heat exchange flow path 1084 of main road throttle valve 122, second.Then a part of refrigerant flowed out from the second heat exchange flow path 1084
Followed by: the second end of indoor heat exchanger, the first end of indoor heat exchanger, the 4th valve port 1048, third valve port the 1046, the 4th
Exchange heat flow path 1124, gas-liquid separator 116.And from second heat exchange flow path 1084 flow out another part refrigerant followed by:
The heat exchange of air injection enthalpy-increasing throttle valve 118, first flow path 1082, second solenoid valve the 114, the 4th heat exchange flow path 1124, gas-liquid separator
116。
Fig. 2 shows the control methods according to an embodiment of the invention for air injection enthalpy-increasing heat pump air conditioning system
Schematic flow diagram.
As shown in Fig. 2, the control method according to an embodiment of the invention for air injection enthalpy-increasing heat pump air conditioning system,
Include:
Step 202, when air injection enthalpy-increasing heat pump air conditioning system operates in heating mode, the first solenoid valve of control is opened and control
Second solenoid valve processed is closed.
Step 204, it is determined whether defrosting operation is carried out to air injection enthalpy-increasing heat pump air conditioning system.
Step 206, however, it is determined that defrosting operation is carried out to air injection enthalpy-increasing heat pump air conditioning system, then it is empty to control air injection enthalpy-increasing heat pump
Adjusting system operates in refrigeration mode, the first solenoid valve of control is closed and control second solenoid valve is opened.
In the technical scheme, air injection enthalpy-increasing heat pump air conditioning system operation is run in a heating mode, is carrying out defrosting it
Before, by opening the first solenoid valve, so that the refrigerant of medium temperature and medium pressure enters third heat exchange flow path, so that third heat exchange flow path is inhaled
Heat heats up and stores heat.In addition, avoiding the feelings for the refrigerant reflux flowed out from commutation component by closing second solenoid valve
Condition guarantees that the refrigerant flowed out from commutation component is all flowed into the 4th heat exchange flow path.When being defrosted, by closing the
One solenoid valve ensure that the refrigerant flowed out from the second heat exchange flow path is flowed into indoor heat exchanger, rather than be flowed into third and change
In hot flowpath.In addition, by opening second solenoid valve, so that the refrigerant flowed out from the second heat exchange flow path can be changed by first
Hot flowpath is flowed into the 4th heat exchange flow path, the third heat exchange flow path storage before the refrigerant suction in the 4th heat exchange flow path
Heat improves suction superheat, avoids compressor and be in wet fortune so that the delivery temperature of compressor and suction temperature increase
Turn state and avoid compressor and the case where oil starvation and liquid hammer occur, to ensure that the service life of compressor, and then improves
The reliability service of air injection enthalpy-increasing heat pump air conditioning system.
In addition, the air injection enthalpy-increasing throttle valve is set if being provided with air injection enthalpy-increasing throttle valve in air injection enthalpy-increasing heat pump air conditioning system
It sets between the second end of the first heat exchange flow path and the first end of the first solenoid valve, is then determining to air injection enthalpy-increasing heat pump air conditioner system
When system carries out defrosting operation, controls the air injection enthalpy-increasing throttle valve and be constantly in opening state.
Fig. 3 shows the signal of the control device for air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention
Block diagram.
As shown in figure 3, the control device 300 for air injection enthalpy-increasing heat pump air conditioning system of embodiment according to the present invention,
It include: first control unit 302, determination unit 304 and the second control unit 306.
First control unit 302, for when air injection enthalpy-increasing heat pump air conditioning system operates in heating mode, control first to be electric
Magnet valve is opened and control second solenoid valve is closed；Determination unit 304, be used to determine whether to air injection enthalpy-increasing heat pump air conditioning system into
Row defrosting operation；Second control unit 306, for being removed in the determination of determination unit 304 to air injection enthalpy-increasing heat pump air conditioning system
In the case where frost operation, control air injection enthalpy-increasing heat pump air conditioning system operates in refrigeration mode, the closing of the first solenoid valve of control and control
Second solenoid valve processed is opened.
In the technical scheme, air injection enthalpy-increasing heat pump air conditioning system operation is run in a heating mode, is carrying out defrosting it
Before, by opening the first solenoid valve, so that the refrigerant of medium temperature and medium pressure enters third heat exchange flow path, so that third heat exchange flow path is inhaled
Heat heats up and stores heat.In addition, avoiding the feelings for the refrigerant reflux flowed out from commutation component by closing second solenoid valve
Condition guarantees that the refrigerant flowed out from commutation component is all flowed into the 4th heat exchange flow path.When being defrosted, by closing the
One solenoid valve ensure that the refrigerant flowed out from the second heat exchange flow path is flowed into indoor heat exchanger, rather than be flowed into third and change
In hot flowpath.In addition, by opening second solenoid valve, so that the refrigerant flowed out from the second heat exchange flow path can be changed by first
Hot flowpath is flowed into the 4th heat exchange flow path, the third heat exchange flow path storage before the refrigerant suction in the 4th heat exchange flow path
Heat improves suction superheat, avoids compressor and be in wet fortune so that the delivery temperature of compressor and suction temperature increase
Turn state and avoid compressor and the case where oil starvation and liquid hammer occur, to ensure that the service life of compressor, and then improves
The reliability service of air injection enthalpy-increasing heat pump air conditioning system.
Fig. 4 shows the schematic block diagram of the air conditioner of embodiment according to the present invention.
As shown in figure 4, the air conditioner 400 of embodiment according to the present invention, comprising: such as any one of above-mentioned technical proposal
Air injection enthalpy-increasing heat pump air conditioning system 100；And such as the control device 300 in above-mentioned technical proposal, therefore, the air conditioner 400 tool
There are the identical technical effect of air injection enthalpy-increasing heat pump air conditioning system 100 with any one of above-mentioned technical proposal, and the air conditioner 400
With the identical technical effect of control device 300 with any one of above-mentioned technical proposal, details are not described herein.
Wherein, air conditioner 400 can be single machine air conditioner, can also be multi-gang air-conditioner device.
The technical scheme of the present invention has been explained in detail above with reference to the attached drawings, can compress during defrosting to avoid air conditioner
Machine is in wet operating condition, to extend the service life of compressor.
In the present invention, term " first ", " second " are only used for the purpose described, are not understood to indicate or imply phase
To importance；Term " multiple " indicates two or more；Term " connected ", " connection " etc. shall be understood in a broad sense, for example,
It may be fixed connection or may be dismantle connection, or integral connection；It can be directly connected, centre can also be passed through
Medium is indirectly connected.For the ordinary skill in the art, above-mentioned term can be understood in this hair as the case may be
Concrete meaning in bright.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (11)
1. a kind of air injection enthalpy-increasing heat pump air conditioning system characterized by comprising
Compressor, including exhaust outlet, jet port and gas returning port；
Commutate component, including the first valve port to the 4th valve port, first valve port are connected to the exhaust outlet, the 4th valve port
It is connected to the first end of indoor heat exchanger；
Outdoor heat exchanger, the first end of the outdoor heat exchanger are connected to the second valve port of the commutation component；
First Heat Exchanger and the first solenoid valve, the First Heat Exchanger includes the first heat exchange flow path and the second heat exchange flow path, described
The first end of first heat exchange flow path is connected to the jet port, the second end of the first heat exchange flow path, the second heat exchange stream
The first end on road and the first end of first solenoid valve are connected to the second end of the indoor heat exchanger, second heat exchange
The second end of flow path is connected to the second end of the outdoor heat exchanger；
Second heat exchanger and second solenoid valve, second heat exchanger include third heat exchange flow path and the 4th heat exchange flow path, it is described
The first end of third heat exchange flow path is connected to the second end of the second heat exchange flow path, and the second end of the third heat exchange flow path connects
It is connected to the second end of first solenoid valve, the third valve port of the first end of the 4th heat exchange flow path and the commutation component is equal
It is connected to the first end of the second solenoid valve, the second end of the second solenoid valve is connected to the of the first heat exchange flow path
One end；And
Gas-liquid separator, the entrance of the gas-liquid separator are connected to the second end of the 4th heat exchange flow path, the gas-liquid point
The gas returning port is connected to from the outlet of device.
2. air injection enthalpy-increasing heat pump air conditioning system according to claim 1, which is characterized in that further include:
Air injection enthalpy-increasing throttle valve, be arranged in it is described first heat exchange flow path second end and first solenoid valve first end it
Between.
3. air injection enthalpy-increasing heat pump air conditioning system according to claim 1, which is characterized in that further include:
Check valve is arranged between the second end of the second heat exchange flow path and the first end of third heat exchange flow path, and institute
The outlet for stating check valve is connected to the second end of the second heat exchange flow path.
4. air injection enthalpy-increasing heat pump air conditioning system according to claim 3, which is characterized in that further include:
Main road throttle valve is arranged between the second end of the outdoor heat exchanger and the outlet of the check valve.
5. air injection enthalpy-increasing heat pump air conditioning system according to any one of claim 1 to 4, which is characterized in that further include:
Oil eliminator is arranged between the exhaust outlet and first valve port.
6. air injection enthalpy-increasing heat pump air conditioning system according to any one of claim 1 to 4, which is characterized in that
The quantity of the compressor is one or more, in the case where the quantity of the compressor is multiple, multiple pressures
Contracting machine is connected in parallel.
7. air injection enthalpy-increasing heat pump air conditioning system according to claim 6, which is characterized in that further include:
Air injection enthalpy-increasing solenoid valve, if the quantity of the compressor is one, the quantity of the air injection enthalpy-increasing solenoid valve is one,
And be arranged in the jet port and it is described first heat exchange flow path first end between, if the quantity of the compressor be it is multiple,
The quantity of the air injection enthalpy-increasing solenoid valve is multiple, one a pair of multiple compressors and multiple air injection enthalpy-increasing solenoid valves
It answers, is provided with and each pressure between the jet port of each compressor and the first end of the first heat exchange flow path
The corresponding air injection enthalpy-increasing solenoid valve of contracting machine.
8. air injection enthalpy-increasing heat pump air conditioning system according to any one of claim 1 to 4, which is characterized in that
The First Heat Exchanger and/or second heat exchanger are phase change material heat exchanger.
9. a kind of control method for air injection enthalpy-increasing heat pump air conditioning system such as described in any item of the claim 1 to 8, special
Sign is, comprising:
When the air injection enthalpy-increasing heat pump air conditioning system operates in heating mode, controls first solenoid valve and open and control institute
State second solenoid valve closing；
Determine whether to carry out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system；
If it is determined that carrying out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system, then air injection enthalpy-increasing heat pump air conditioner system is controlled
System operates in refrigeration mode, control first solenoid valve is closed and controlled the second solenoid valve and opens.
10. a kind of control device for air injection enthalpy-increasing heat pump air conditioning system such as described in any item of the claim 1 to 8,
It is characterized in that, comprising:
First control unit, for controlling described first when the air injection enthalpy-increasing heat pump air conditioning system operates in heating mode
Solenoid valve is opened and is controlled the second solenoid valve and closes；
Determination unit is used to determine whether to carry out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system；
Second control unit, for carrying out defrosting operation to the air injection enthalpy-increasing heat pump air conditioning system in determination unit determination
In the case where, control that the air injection enthalpy-increasing heat pump air conditioning system operates in refrigeration mode, control first solenoid valve is closed and
The second solenoid valve is controlled to open.
11. a kind of air conditioner characterized by comprising
Such as air injection enthalpy-increasing heat pump air conditioning system described in any item of the claim 1 to 8；And
Control device as claimed in claim 10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093728.7A CN106765617B (en) | 2017-02-21 | 2017-02-21 | Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710093728.7A CN106765617B (en) | 2017-02-21 | 2017-02-21 | Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106765617A CN106765617A (en) | 2017-05-31 |
| CN106765617B true CN106765617B (en) | 2019-08-30 |
Family
ID=58958717
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710093728.7A Active CN106765617B (en) | 2017-02-21 | 2017-02-21 | Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106765617B (en) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107757298B (en) * | 2017-11-01 | 2021-03-23 | 蔚来(安徽)控股有限公司 | Enhanced vapor injection heat pump air-conditioning system and electric vehicle comprising same |
| CN108151213A (en) * | 2017-12-25 | 2018-06-12 | 广东美的制冷设备有限公司 | Air conditioner, progress control method and computer readable storage medium |
| CN108716784B (en) * | 2018-06-07 | 2021-06-18 | 广东美的暖通设备有限公司 | Multi-split system and control method thereof |
| CN109386985B (en) | 2018-10-22 | 2020-07-28 | 广东美的暖通设备有限公司 | Two-pipe jet enthalpy-increasing outdoor unit and multi-split system |
| CN110486917B (en) * | 2019-08-23 | 2021-06-22 | 广东美的暖通设备有限公司 | Operation control device and method, air conditioner and computer readable storage medium |
| CN110736207B (en) * | 2019-09-26 | 2022-04-15 | 青岛海尔空调器有限总公司 | Control method and control device for defrosting of air conditioner and air conditioner |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849936A (en) * | 1994-08-03 | 1996-02-20 | Matsushita Refrig Co Ltd | Regenerative air-conditioner |
| CN101413744A (en) * | 2008-11-25 | 2009-04-22 | 哈尔滨工业大学 | Air source heat pump phase-change energy storage defrosting system with super cooling effect |
| CN101458027A (en) * | 2007-12-13 | 2009-06-17 | 海尔集团公司 | Defrosting method and device for multi-connection air conditioner |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN103542606A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heat pump air conditioning system and control method thereof |
| CN204438593U (en) * | 2014-12-18 | 2015-07-01 | Tcl空调器(中山)有限公司 | Air Conditioning System with Heat |
| CN105020924A (en) * | 2015-07-30 | 2015-11-04 | 天津大学 | Air source enhanced vapor injection heat pump system |
| CN105240957A (en) * | 2015-10-27 | 2016-01-13 | 广东美的暖通设备有限公司 | Enhanced vapor injection air conditioner system |
-
2017
- 2017-02-21 CN CN201710093728.7A patent/CN106765617B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0849936A (en) * | 1994-08-03 | 1996-02-20 | Matsushita Refrig Co Ltd | Regenerative air-conditioner |
| CN101458027A (en) * | 2007-12-13 | 2009-06-17 | 海尔集团公司 | Defrosting method and device for multi-connection air conditioner |
| CN101413744A (en) * | 2008-11-25 | 2009-04-22 | 哈尔滨工业大学 | Air source heat pump phase-change energy storage defrosting system with super cooling effect |
| CN102679609A (en) * | 2012-06-07 | 2012-09-19 | 四川同达博尔置业有限公司 | Air-cooled heat pump air conditioner |
| CN103542606A (en) * | 2013-10-31 | 2014-01-29 | Tcl空调器(中山)有限公司 | Heat pump air conditioning system and control method thereof |
| CN204438593U (en) * | 2014-12-18 | 2015-07-01 | Tcl空调器(中山)有限公司 | Air Conditioning System with Heat |
| CN105020924A (en) * | 2015-07-30 | 2015-11-04 | 天津大学 | Air source enhanced vapor injection heat pump system |
| CN105240957A (en) * | 2015-10-27 | 2016-01-13 | 广东美的暖通设备有限公司 | Enhanced vapor injection air conditioner system |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106765617A (en) | 2017-05-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106765617B (en) | Air injection enthalpy-increasing heat pump air conditioning system, control method, control device and air conditioner | |
| EP2295877B1 (en) | Air conditioner | |
| CN106288488B (en) | The control method of air-conditioner system and air-conditioner system | |
| KR100821728B1 (en) | Air conditioning system | |
| CN104180442B (en) | Air conditioning system | |
| CN104764111B (en) | Multi-connected air conditioning system and its defrosting control method | |
| CN108692478B (en) | The control method of air-conditioning system and air-conditioning system | |
| CN104729163A (en) | Air conditioning system and defrosting control method thereof | |
| WO2021169261A1 (en) | Air conditioner and control method for achieving defrosting during heating thereof | |
| CN110173941A (en) | Air-conditioning system | |
| CN107192156A (en) | Air conditioner, the defrosting control method of air conditioner and system | |
| CN110131914B (en) | Four-way valve and air conditioning system | |
| CN209165826U (en) | A kind of air-conditioning refrigeration system and air conditioner | |
| JP2002188873A (en) | Refrigerating equipment of air conditioner | |
| CN110631286A (en) | Heat exchange system and control method | |
| CN106288484A (en) | A kind of air source heat pump system and defrosting control method thereof | |
| CN110332618A (en) | Outdoor unit, air-conditioning system and control method with continuous heating function | |
| CN109163469A (en) | Air-conditioning system and its control method | |
| CN109442794A (en) | A kind of air-conditioning refrigeration system, Defrost method and air conditioner | |
| CN210154145U (en) | Air conditioning system | |
| CN210154123U (en) | Air conditioning system | |
| CN209101427U (en) | Air-conditioning system | |
| KR100757941B1 (en) | Air conditioner | |
| KR101100009B1 (en) | Air conditioning system | |
| CN105841292A (en) | Multi-split air conditioner system and liquid supplement control method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |