CN107143953B - A kind of air injection enthalpy-increasing air-conditioning system - Google Patents
A kind of air injection enthalpy-increasing air-conditioning system Download PDFInfo
- Publication number
- CN107143953B CN107143953B CN201710355906.9A CN201710355906A CN107143953B CN 107143953 B CN107143953 B CN 107143953B CN 201710355906 A CN201710355906 A CN 201710355906A CN 107143953 B CN107143953 B CN 107143953B
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- heat exchanger
- valve
- expansion valve
- conditioning system
- injection enthalpy
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- 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
- F24F5/0003—Exclusively-fluid systems
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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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
- F25B41/22—Disposition of valves, e.g. of on-off valves or flow control valves between evaporator and compressor
-
- 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
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion valves
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The present invention provides a kind of air injection enthalpy-increasing air-conditioning systems, including the second four-way valve (5) being serially connected between indoor heat exchanger (4) and outdoor heat exchanger (3), first valve port of the second four-way valve (5) is connected to indoor heat exchanger (4), 4th valve port is connected to outdoor heat exchanger (3), second valve port is connected to the one end of main road expansion valve (7), the other end of main road expansion valve (7) is connected to the one end for crossing cold heat exchanger (6), the other end for crossing cold heat exchanger (6) is connected to the third valve port of the second four-way valve (5), one end of bypass expansion valve (8) is connected to cold heat exchanger (6) are crossed, the other end of bypass expansion valve (8) is connected to third valve port and crosses between cold heat exchanger (6) or cross between cold heat exchanger (6) and main road expansion valve (7).Air injection enthalpy-increasing air-conditioning system provided by the invention can be such that the operational effect under two refrigeration, heating modes is promoted with simpler system structure.
Description
Technical field
The present invention relates to air-conditioning technical fields, more particularly to a kind of air injection enthalpy-increasing air-conditioning system.
Background technique
The ability decaying in low-temperature heating of traditional air-conditioning system is serious, and with the reduction of environment temperature, decay journey
It spends also increasingly severe, it is difficult to meet the requirement of northern area low-temperature heating.In order to meet the requirement of northern area low-temperature heating,
Many producers have developed the air-conditioning system with air injection enthalpy-increasing.
Currently, the air-conditioning system with air injection enthalpy-increasing otherwise can only meet promoted heating effect purpose, it is difficult to take into account refrigeration
The refrigeration effect of mode or effect under two refrigeration, heating modes can be taken into account, but refrigeration system is sufficiently complex, and is difficult to
All it is counterflow heat exchange in both modes between bypass refrigerant after guaranteeing main road refrigerant and throttling, causes under one of mode
Effect give a discount.
Therefore, operational effect of the air injection enthalpy-increasing air-conditioning system under two refrigeration, heating modes is promoted,
Become those skilled in the art's technical problem urgently to be resolved.
Summary of the invention
In view of this, the present invention provides a kind of air injection enthalpy-increasing air-conditioning system, the air injection enthalpy-increasing air-conditioning system can with compared with
Simple system structure promotes the operational effect under two refrigeration, heating modes.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of air injection enthalpy-increasing air-conditioning system, including main road expansion valve, bypass expansion valve, for convert heating and refrigeration mode
The first four-way valve, and to the refrigerant of main circulation loop be subcooled cross cold heat exchanger, the air injection enthalpy-increasing air-conditioning system
Further include the second four-way valve being serially connected between indoor heat exchanger and outdoor heat exchanger, the first valve port of second four-way valve with
When a conducting in the second valve port and third valve port, the 4th valve port with it is another in second valve port and the third valve port
A conducting, first valve port are connected to the indoor heat exchanger, and the 4th valve port is connected to the outdoor heat exchanger, described
Second valve port is connected to one end of the main road expansion valve, and the other end of the main road expansion valve crosses the one of cold heat exchanger with described
End connection, the other end for crossing cold heat exchanger are connected to the third valve port, one end of the bypass expansion valve and the mistake
Cold heat exchanger connection, the other end of the bypass expansion valve be connected to the third valve port and it is described cross cold heat exchanger between or
It is described to cross between cold heat exchanger and the main road expansion valve.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, the cold heat exchanger of crossing is plate heat exchanger.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, main road refrigerant and bypass refrigerant are crossed at cold heat exchanger described
Counterflow heat exchange.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, the main road expansion valve is electric expansion valve or thermal expansion
Valve.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, the bypass expansion valve is electric expansion valve or thermal expansion
Valve.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, the indoor heat exchanger is shell and tube exchanger.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, the outdoor heat exchanger is fin-tube type heat exchanger.
Preferably, in above-mentioned air injection enthalpy-increasing air-conditioning system, air injection enthalpy-increasing is provided with shut-off valve in circuit.
According to the above technical scheme it is found that in air injection enthalpy-increasing air-conditioning system provided by the invention, heat exchanger and room indoors
It is serially connected with the second four-way valve between external heat exchanger, one in the first valve port and the second valve port and third valve port of the second four-way valve
When conducting, the 4th valve port is connected with another in the second valve port and third valve port, and the first valve port is connected to indoor heat exchanger,
4th valve port is connected to outdoor heat exchanger, and main road expansion valve and supercooling heat exchange are sequentially connected between the second valve port and third valve port
Device, one end of bypass expansion valve be connected to third valve port and cross between cold heat exchanger or cross cold heat exchanger and main road expansion valve it
Between, by the commutation function of the second four-way valve, a main road expansion valve, which need to only be arranged, can be achieved with taking liquid when cooling system, heating
Point is before throttling, it can be seen that, which can take into account low-temperature heating by simple system structure
Unattenuated and refrigerating capacity raising can make under two refrigeration, heating modes compared with traditional air injection enthalpy-increasing air-conditioning system
Operational effect promoted.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 is a kind of schematic diagram of air injection enthalpy-increasing air-conditioning system provided in an embodiment of the present invention.
In the figure, it is marked as
1, compressor；2, the first four-way valve；3, outdoor heat exchanger；4, indoor heat exchanger；5, the second four-way valve；6, supercooling is changed
Hot device；7, main road expansion valve；8, bypass expansion valve.
Specific embodiment
In order to make it easy to understand, the invention will be further described with reference to the accompanying drawing.
It is a kind of schematic diagram of air injection enthalpy-increasing air-conditioning system provided in an embodiment of the present invention referring to Fig. 1.
A kind of air injection enthalpy-increasing air-conditioning system provided in an embodiment of the present invention includes that compressor 1, the first four-way valve 2, outdoor are changed
Hot device 3, the second four-way valve 5, crosses cold heat exchanger 6, main road expansion valve 7 and bypass expansion valve 8 at indoor heat exchanger 4.
Wherein, the first four-way valve 2 is crossed cold heat exchanger 6 and is used for main circulation loop for converting heating and refrigeration mode
Refrigerant is subcooled, and the second four-way valve 5 is serially connected between indoor heat exchanger 4 and outdoor heat exchanger 3, and the first of the second four-way valve 5
When a conducting in valve port and the second valve port and third valve port, another in the 4th valve port and the second valve port and third valve port
Conducting.
First valve port of the second four-way valve 5 is connected to indoor heat exchanger 4, and the 4th valve port is connected to outdoor heat exchanger 3, and second
Valve port is connected to one end of main road expansion valve 7, and the other end of main road expansion valve 7 is connected to the one end for crossing cold heat exchanger 6, and supercooling is changed
The other end of hot device 6 is connected to third valve port, and one end of bypass expansion valve 8 is connected to cold heat exchanger 6 is crossed, bypass expansion valve 8
The other end is connected to third valve port and crosses between cold heat exchanger 6.Certainly, the other end of bypass expansion valve 8 also can connect in mistake
Between cold heat exchanger 6 and main road expansion valve 7.
As shown in Figure 1, the exhaust outlet and outdoor heat exchanger 3 of compressor 1 are connected when the first four-way valve 2 is located at off state,
When second four-way valve 5 is located at off state, the 4th valve port (connection outdoor heat exchanger 3) and third valve port (being connected to cold heat exchanger 6)
Conducting, the working principle of air injection enthalpy-increasing air-conditioning system are as follows:
(1) when freezing, the first four-way valve 2 and the second four-way valve 5 are respectively positioned on off state.
Main road refrigerant flowing are as follows: 1 → the first 2 → outdoor heat exchanger of four-way valve of compressor, 3 → the second 5 → supercooling of four-way valve is changed
7 → the second 5 → indoor heat exchanger of four-way valve of hot 6 → main road of device expansion valve, 4 → the first 2 → compressor of four-way valve 1.
After bypass refrigerant passes through bypass expansion valve 8, exchanged heat by crossing cold heat exchanger 6 and main road refrigerant, after heat exchange,
Bypass overheats cold media gas and sprays into compressor 1.
(2) when heating, the first four-way valve 2 and the second four-way valve 5 are respectively positioned on state.
Main road refrigerant flowing are as follows: 1 → the first 2 → indoor heat exchanger of four-way valve of compressor, 4 → the second 5 → supercooling of four-way valve is changed
7 → the second 5 → outdoor heat exchanger of four-way valve of hot 6 → main road of device expansion valve, 3 → the first 2 → compressor of four-way valve 1.
After bypass refrigerant passes through bypass expansion valve 8, exchanged heat by crossing cold heat exchanger 6 and main road refrigerant, after heat exchange,
Bypass overheats cold media gas and sprays into compressor 1.
By above-mentioned working principle it is found that in air injection enthalpy-increasing air-conditioning system provided by the invention, pass through changing for the second four-way valve 5
To function, it need to only be arranged when a main road expansion valve 7 is achieved that cooling system, heating and take liquid point before throttling, thus may be used
See, which is mentioned by the unattenuated and refrigerating capacity that simple system structure can take into account low-temperature heating
Height can be such that the operational effect under two refrigeration, heating modes is mentioned compared with traditional air injection enthalpy-increasing air-conditioning system
It rises.
In specific practical application, crossing cold heat exchanger 6 can be plate heat exchanger.In the present embodiment, main road refrigerant and bypass
Refrigerant is crossing counterflow heat exchange at cold heat exchanger 6, in conjunction with above-mentioned working principle it is found that the second four-way valve 5 can guarantee either to exist
Under refrigeration mode, still in a heating mode, the bypass refrigerant after main road refrigerant and throttling is counterflow heat exchange, it is thus possible to be increased
The heat transfer effect for adding cold heat exchanger 6 improves the degree of superheat of bypass, is sparged into all gaseous states of refrigerant of compressor 1, meanwhile,
The degree of supercooling of main road is also improved after crossing the heat transfer effect promotion of cold heat exchanger 6, so that system capability is improved.
In specific practical application, main road expansion valve 7 can be electric expansion valve or heating power expansion valve.Similarly, bypass is swollen
Swollen valve 8 can be electric expansion valve or heating power expansion valve.
In the present embodiment, indoor heat exchanger 4 selects shell and tube exchanger, and outdoor heat exchanger 3 selects fin-tube type heat exchanger.
It, can be in order to take into account economy of the system under normal refrigerating/heating and low-temperature heating operating condition preferably
Shut-off valve is set in air injection enthalpy-increasing circuit, the use in air injection enthalpy-increasing circuit is controlled by opening and closing cut-off valve.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
A variety of modifications of embodiment will be readily apparent to those skilled in the art, it is as defined herein general
Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, the present invention will not
It can be restricted to embodiment illustrated herein, and be to fit to consistent with the principles and novel features disclosed in this article most wide
Range.
Claims (8)
1. a kind of air injection enthalpy-increasing air-conditioning system, including main road expansion valve (7), bypass expansion valve (8), for converting heating and refrigeration
The first four-way valve (2) of mode, and cold heat exchanger (6) are crossed to what the refrigerant of main circulation loop was subcooled, the bypass is swollen
One end of swollen valve (8) is connected to cross cold heat exchanger (6), further includes the second four-way valve (5), second four-way valve (5)
When a conducting in the first valve port and the second valve port and third valve port, the 4th valve port and second valve port and the third valve
Another conducting in mouthful, which is characterized in that second four-way valve (5) is serially connected in indoor heat exchanger (4) and outdoor heat exchanger
(3) between, first valve port is connected to the indoor heat exchanger (4), and the 4th valve port and the outdoor heat exchanger (3) are even
Logical, second valve port is connected to one end of the main road expansion valve (7), the other end of the main road expansion valve (7) with it is described
One end connection of cold heat exchanger (6) is crossed, the other end for crossing cold heat exchanger (6) is connected to the third valve port, the bypass
The other end of expansion valve (8) is connected between the third valve port and cold heat exchanger (6) excessively or the cold heat exchanger excessively
(6) between the main road expansion valve (7).
2. air injection enthalpy-increasing air-conditioning system according to claim 1, which is characterized in that described cross cold heat exchanger (6) are board-like
Heat exchanger.
3. air injection enthalpy-increasing air-conditioning system according to claim 2, which is characterized in that main road refrigerant is with bypass refrigerant described
Cross counterflow heat exchange at cold heat exchanger (6).
4. air injection enthalpy-increasing air-conditioning system according to claim 1, which is characterized in that the main road expansion valve (7) is electronics
Expansion valve or heating power expansion valve.
5. air injection enthalpy-increasing air-conditioning system according to claim 1, which is characterized in that the bypass expansion valve (8) is electronics
Expansion valve or heating power expansion valve.
6. air injection enthalpy-increasing air-conditioning system according to claim 1, which is characterized in that the indoor heat exchanger (4) is package
Formula heat exchanger.
7. air injection enthalpy-increasing air-conditioning system according to claim 1, which is characterized in that the outdoor heat exchanger (3) is pipe wing
Formula heat exchanger.
8. air injection enthalpy-increasing air-conditioning system described according to claim 1~any one of 7, which is characterized in that air injection enthalpy-increasing returns
Shut-off valve is provided in road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710355906.9A CN107143953B (en) | 2017-05-19 | 2017-05-19 | A kind of air injection enthalpy-increasing air-conditioning system |
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| CN201710355906.9A CN107143953B (en) | 2017-05-19 | 2017-05-19 | A kind of air injection enthalpy-increasing air-conditioning system |
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| CN107143953A CN107143953A (en) | 2017-09-08 |
| CN107143953B true CN107143953B (en) | 2019-06-14 |
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| CN109591545B (en) * | 2018-10-31 | 2020-07-10 | 上海爱斯达克汽车空调系统有限公司 | Air-supplementing enthalpy-increasing heat pump system with throttling multi-port thermal expansion valve, vehicle and method |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185507A (en) * | 2010-03-08 | 2011-09-22 | Panasonic Corp | Refrigerating cycle device and hot water heating device including the same |
| CN105004090A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof |
| CN105066538A (en) * | 2015-07-15 | 2015-11-18 | 广东美的暖通设备有限公司 | Air supplying and enthalpy increasing method and system for air conditioner, and air conditioner |
| CN204787397U (en) * | 2015-07-10 | 2015-11-18 | 特灵空调系统(中国)有限公司 | Forced air cooling cold water heat pump set |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN205261971U (en) * | 2015-12-08 | 2016-05-25 | 三菱重工海尔(青岛)空调机有限公司 | Enhanced vapor injection air conditioning system |
| CN205482280U (en) * | 2016-03-31 | 2016-08-17 | 郑州欧纳尔冷暖科技有限公司 | Tertiary hot recovery type heat pump drying unit |
| CN106322814A (en) * | 2016-11-22 | 2017-01-11 | 广东美的暖通设备有限公司 | Air conditioning system and air conditioner |
| EP3318820A1 (en) * | 2015-07-01 | 2018-05-09 | Mitsubishi Electric Corporation | Refrigeration cycle device |
-
2017
- 2017-05-19 CN CN201710355906.9A patent/CN107143953B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2011185507A (en) * | 2010-03-08 | 2011-09-22 | Panasonic Corp | Refrigerating cycle device and hot water heating device including the same |
| EP3318820A1 (en) * | 2015-07-01 | 2018-05-09 | Mitsubishi Electric Corporation | Refrigeration cycle device |
| CN105004090A (en) * | 2015-07-09 | 2015-10-28 | 广东美的暖通设备有限公司 | Multi-split air-conditioning system and supercooling and enhanced vapor injection method thereof |
| CN204787397U (en) * | 2015-07-10 | 2015-11-18 | 特灵空调系统(中国)有限公司 | Forced air cooling cold water heat pump set |
| CN105066538A (en) * | 2015-07-15 | 2015-11-18 | 广东美的暖通设备有限公司 | Air supplying and enthalpy increasing method and system for air conditioner, and air conditioner |
| CN105157270A (en) * | 2015-09-24 | 2015-12-16 | 无锡同方人工环境有限公司 | Low-environment-temperature air source heat pump system with undercooling loop |
| CN205261971U (en) * | 2015-12-08 | 2016-05-25 | 三菱重工海尔(青岛)空调机有限公司 | Enhanced vapor injection air conditioning system |
| CN205482280U (en) * | 2016-03-31 | 2016-08-17 | 郑州欧纳尔冷暖科技有限公司 | Tertiary hot recovery type heat pump drying unit |
| CN106322814A (en) * | 2016-11-22 | 2017-01-11 | 广东美的暖通设备有限公司 | Air conditioning system and air conditioner |
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