CN105805981A - Dual-operation compression-ejection heat pump air conditioner system - Google Patents
Dual-operation compression-ejection heat pump air conditioner system Download PDFInfo
- Publication number
- CN105805981A CN105805981A CN201610343427.0A CN201610343427A CN105805981A CN 105805981 A CN105805981 A CN 105805981A CN 201610343427 A CN201610343427 A CN 201610343427A CN 105805981 A CN105805981 A CN 105805981A
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- China
- Prior art keywords
- heat exchanger
- outlet
- import
- gas
- inlet
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- 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.)
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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
- F25B25/00—Machines, plants or systems, using a combination of modes of operation covered by two or more of the groups F25B1/00 - F25B23/00
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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
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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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
- F25B9/00—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point
- F25B9/08—Compression machines, plants or systems, in which the refrigerant is air or other gas of low boiling point using ejectors
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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
- 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
- F25B2313/02742—Compression machines, plants or systems with reversible cycle not otherwise provided for characterised by the reversing means using two four-way valves
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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
- 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
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- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a dual-operation compression-ejection heat pump air conditioner system. The dual-operation compression-ejection heat pump air conditioner system comprises an ejector and two four-way reversing valves. An exhaust port of a compressor is connected with an inlet of an outdoor heat exchanger and an inlet of an indoor heat exchanger through the first four-way reversing valve. An outlet of the outdoor heat exchanger is connected with a work nozzle inlet and a suction chamber inlet of the ejector through the second four-way reversing valve. An outlet of the ejector is connected with an inlet of a gas-liquid separator through a pipeline. A gas outlet of the gas-liquid separator is connected with a gas inlet of the compressor through a pipeline. A liquid outlet of the gas-liquid separator is connected with an inlet of a throttle valve through a pipeline. An outlet of the throttle valve is connected with the inlet of the indoor heat exchanger and the inlet of the outdoor heat exchanger through the first four-way reversing valve. An outlet of the indoor heat exchanger is connected with the work nozzle inlet and the suction chamber inlet of the ejector through the second four-way reversing valve. The ejector is used for replacing an expansion valve to recycle expansion work, so that the refrigeration efficiency is improved, and the two four-way reversing valves are used for switching to achieve the refrigeration and heating dual-operation function.
Description
Technical field
The present invention relates to heat pump type air conditioning system, specifically a kind of Double-working-condition compression-injection heat pump type air conditioning system.
Background technology
Along with the growing tension of the energy, air-source heat pump air conditioning system is increasingly paid attention to by countries in the world.Air-source heat pump air conditioning system refers to obtain low grade heat energy from nature air and utilize electric energy to be translated into the new energy resources system of high-grade heat energy, and its existence effectively alleviates the problem that available energy is nervous.The operation principle of air-source heat pump air conditioning system is the same with vapour compression refrigeration system, is all inverse Carnot cycle principle, and parts all exist throttling arrangement.In current air source heat pump refrigeration system, throttling arrangement typically uses expansion valve, but uses expansion valve throttling that expansion work will be made to can not get effectively and reclaim, cause the waste of the energy.Using the injector can be with recovery section expansion work, but existing compression ejection circulation can only realize cooling in summer or the single operating mode heated winter.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides a kind of Double-working-condition compression-injection heat pump type air conditioning system, effectively reclaim expansion work, and improve the operating mode scope of application of injector.
The technical solution adopted in the present invention is:
A kind of Double-working-condition compression-injection heat pump type air conditioning system, including compressor, outdoor heat exchanger, indoor heat exchanger, choke valve, gas-liquid separator, also include injector, the first four-way change-over valve, the second four-way change-over valve, the air vent of compressor passes through import and the import of indoor heat exchanger of the first four-way change-over valve junction chamber external heat exchanger respectively, the outlet of outdoor heat exchanger connects main jet import and the suction chamber import of injector respectively by the second four-way change-over valve, and the outlet of injector connects the import of gas-liquid separator by pipeline；The gas outlet of gas-liquid separator connects the air inlet of compressor by pipeline, the liquid outlet of gas-liquid separator connects the import of choke valve by pipeline, the outlet of choke valve connects import and the import of outdoor heat exchanger of indoor heat exchanger respectively by the first four-way change-over valve, and the outlet of indoor heat exchanger connects main jet import and the suction chamber import of injector respectively by the second four-way change-over valve.
Using the present invention of technique scheme, compared with prior art, it provides the benefit that:
Utilize injector to replace choke valve to reclaim major part expansion work, reduce the pressure ratio of compressor, be greatly improved refrigerant system efficiency, improve the utilization rate of the energy.Being changed by two four-way change-over valves, system can realize the function that cooling in summer heats winter, and freeze, heat injector under two kinds of operating modes and all can reclaim expansion work, makes the refrigerating efficiency of system be improved.
As preferably, the present invention further technical scheme is:
Described injector includes nozzle needle, main jet, suction chamber, mixing chamber and diffusion room, and nozzle needle is installed on inside main jet, and main jet is installed on the inside of suction chamber；Suction chamber, mixing chamber and diffusion room are in turn connected to form biphase working fluid and process chamber, and the outlet of main jet processes chamber with described biphase working fluid and connects.Moved axially by nozzle needle, change main jet throat opening area, change operative fluid flow rate, thus regulate injector running parameter and change with adaptation condition.
Accompanying drawing explanation
Fig. 1 is the system structure schematic diagram of the present invention；
Fig. 2 is the ejector structure schematic diagram of the present invention；
Fig. 3 is the present invention system structure schematic diagram when cooling condition；
Fig. 4 is the present invention system structure schematic diagram when heating condition；
In figure: 1-compressor；2-gas-liquid separator；3-choke valve；4-indoor heat exchanger；5-injector；6-the first four-way change-over valve；7-outdoor heat exchanger；8-the second four-way change-over valve；51-nozzle needle；52-main jet；53-suction chamber；54-mixing chamber；55-diffusion room.
Detailed description of the invention
The invention will be further described for illustrated embodiment below in conjunction with the accompanying drawings, but embodiment does not constitute any restriction to the present invention.
See Fig. 1, Fig. 2, Double-working-condition compression-injection heat pump type air conditioning system, it is made up of compressor 1, gas-liquid separator 2, choke valve 3, indoor heat exchanger 4, injector the 5, first four-way change-over valve 6, outdoor heat exchanger the 7, second four-way change-over valve 8, injector 5 has nozzle needle 51, main jet 52, suction chamber 53, mixing chamber 54, diffusion room 55, main jet 52 is installed on the inside of suction chamber 53, suction chamber 53, mixing chamber 54 and diffusion room 55 are sequentially connected with and form biphase working fluid and process chamber, and the outlet of main jet 52 processes chamber with this biphase working fluid and connects.
The air vent of compressor 1 passes through import and the import of indoor heat exchanger 4 of the first four-way change-over valve 6 junction chamber external heat exchanger 7 respectively, the outlet of outdoor heat exchanger 7 connects main jet 52 import and suction chamber 53 import of injector 5 respectively by the second four-way change-over valve 8, and the outlet of injector 5 connects the import of gas-liquid separator 2 by pipeline；The gas outlet of gas-liquid separator 2 connects the air inlet of compressor 1 by pipeline, the liquid outlet of gas-liquid separator 2 connects the import of choke valve 3 by pipeline, the outlet of choke valve 3 connects import and the import of outdoor heat exchanger 7 of indoor heat exchanger 4 respectively by the first four-way change-over valve 6, and the outlet of indoor heat exchanger 4 connects main jet 52 import and suction chamber 53 import of injector 5 respectively by the second four-way change-over valve 8.
As shown in Figure 3, during cooling condition, saturated refrigerant vapour in gas-liquid separator 2 enters compressor 1, high-temperature high-pressure refrigerant gas after compression enters outdoor heat exchanger 7(condenser through the first four-way change-over valve 6), subcooled liquid is become after condensation heat release, then in the second four-way change-over valve 8 enters the main jet 52 of injector 5, expand blood pressure lowering, low pressure is formed in main jet 52 exit, injection indoor heat exchanger 4(vaporizer simultaneously) steam that exports enters the suction chamber 53 of injector 5 through the second four-way change-over valve 8, two fluids enters deceleration supercharging in diffusion room 55 after mixing in mixing chamber 53, subsequently into gas-liquid separator 2.The saturated liquid separated through gas-liquid separator 2 enters indoor heat exchanger 4(vaporizer through the first four-way change-over valve 6 after choke valve 3) in evaporation endothermic, form steam by injection to injector 5, thus complete whole circulation.Cold air through indoor heat exchanger 4 refrigeration delivers to indoor, meets indoor cooling demand.
As shown in Figure 4, during heating condition, saturated refrigerant vapour in gas-liquid separator 2 enters compressor 1, high-temperature high-pressure refrigerant gas after compression enters indoor heat exchanger 4(condenser through the first four-way change-over valve 6), subcooled liquid is become after condensation heat release, subsequently into expanding blood pressure lowering in the main jet 52 of injector 5, low pressure is formed in main jet 52 exit, injecting chamber external heat exchanger 7(vaporizer simultaneously) steam that exports enters the suction chamber 53 of injector 5 through the second four-way change-over valve 8, two fluids enters deceleration supercharging in diffusion room 55 after mixing in mixing chamber 54, subsequently into gas-liquid separator 2.The saturated liquid separated through gas-liquid separator 2 enters outdoor heat exchanger 7(vaporizer through the first four-way change-over valve 6 after choke valve 3) in evaporation endothermic, form steam by injection to injector 5, thus complete whole circulation.Hot-air through indoor heat exchanger 4 delivers to indoor, meets indoor heating demands.
Double-working-condition compression-injection the heat pump type air conditioning system provided by the present embodiment, has the following characteristics that
Being applicable to refrigeration and heat two aspects, by the changeable function of double four-way change-over valves, and injector can be effectively utilized；Replace expansion valve to reclaim most expansion work with injector, make refrigerating efficiency be improved.
The foregoing is only the embodiment that the present invention is the most feasible, not thereby limit to the interest field of the present invention, the equivalent structure change that all utilization description of the invention and accompanying drawing content are made, within being both contained in the interest field of the present invention.
Claims (2)
1. a Double-working-condition compression-injection heat pump type air conditioning system, including compressor, outdoor heat exchanger, indoor heat exchanger, choke valve, gas-liquid separator, it is characterized in that: also include injector, the first four-way change-over valve, the second four-way change-over valve, the air vent of compressor passes through import and the import of indoor heat exchanger of the first four-way change-over valve junction chamber external heat exchanger respectively, the outlet of outdoor heat exchanger connects main jet import and the suction chamber import of injector respectively by the second four-way change-over valve, and the outlet of injector connects the import of gas-liquid separator by pipeline；The gas outlet of gas-liquid separator connects the air inlet of compressor by pipeline, the liquid outlet of gas-liquid separator connects the import of choke valve by pipeline, the outlet of choke valve connects import and the import of outdoor heat exchanger of indoor heat exchanger respectively by the first four-way change-over valve, and the outlet of indoor heat exchanger connects main jet import and the suction chamber import of injector respectively by the second four-way change-over valve.
Double-working-condition compression-injection heat pump type air conditioning system the most according to claim 1, it is characterized in that: described injector includes nozzle needle, main jet, suction chamber, mixing chamber and diffusion room, nozzle needle is installed on inside main jet, and main jet is installed on the inside of suction chamber；Suction chamber, mixing chamber and diffusion room are in turn connected to form biphase working fluid and process chamber, and the outlet of main jet processes chamber with described biphase working fluid and connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343427.0A CN105805981A (en) | 2016-05-23 | 2016-05-23 | Dual-operation compression-ejection heat pump air conditioner system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610343427.0A CN105805981A (en) | 2016-05-23 | 2016-05-23 | Dual-operation compression-ejection heat pump air conditioner system |
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| Publication Number | Publication Date |
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| CN105805981A true CN105805981A (en) | 2016-07-27 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610343427.0A Pending CN105805981A (en) | 2016-05-23 | 2016-05-23 | Dual-operation compression-ejection heat pump air conditioner system |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131679A (en) * | 2017-05-31 | 2017-09-05 | 珠海格力电器股份有限公司 | Heat pump system adopting ejector, control method thereof and air conditioning equipment |
| CN107191317A (en) * | 2017-07-07 | 2017-09-22 | 武汉武水电气技术有限责任公司 | It is a kind of to be used as power rotational speed of water turbine modulator of the water as working media using hydraulic pressure |
| CN109307378A (en) * | 2018-08-07 | 2019-02-05 | 珠海格力电器股份有限公司 | air conditioning system |
| WO2021012608A1 (en) * | 2019-07-25 | 2021-01-28 | 青岛海尔空调电子有限公司 | Air conditioning system |
| CN113335016A (en) * | 2021-05-08 | 2021-09-03 | 西安交通大学 | Injector module for new energy vehicle and transcritical CO2Heat pump air conditioning system and method |
| CN114183942A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Heat exchange system |
| CN114459179A (en) * | 2021-12-27 | 2022-05-10 | 华北理工大学 | Carbon dioxide direct evaporation type ice making system for artificial ice rink and using method thereof |
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| CN104110910A (en) * | 2014-07-04 | 2014-10-22 | 珠海格力电器股份有限公司 | Air conditioning system |
| CN104634020A (en) * | 2015-01-23 | 2015-05-20 | 西安交通大学 | Defrosting system for air source heat pump |
| CN205641669U (en) * | 2016-05-23 | 2016-10-12 | 华北理工大学 | Duplex condition is compressed - is drawn and penetrates heat pump air conditioning system |
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Patent Citations (6)
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| JP2005300067A (en) * | 2004-04-14 | 2005-10-27 | Denso Corp | Ejector cycle |
| JP2010085022A (en) * | 2008-09-30 | 2010-04-15 | Daikin Ind Ltd | Refrigerating device |
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| CN205641669U (en) * | 2016-05-23 | 2016-10-12 | 华北理工大学 | Duplex condition is compressed - is drawn and penetrates heat pump air conditioning system |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107131679A (en) * | 2017-05-31 | 2017-09-05 | 珠海格力电器股份有限公司 | Heat pump system adopting ejector, control method thereof and air conditioning equipment |
| CN107191317A (en) * | 2017-07-07 | 2017-09-22 | 武汉武水电气技术有限责任公司 | It is a kind of to be used as power rotational speed of water turbine modulator of the water as working media using hydraulic pressure |
| CN109307378A (en) * | 2018-08-07 | 2019-02-05 | 珠海格力电器股份有限公司 | air conditioning system |
| WO2021012608A1 (en) * | 2019-07-25 | 2021-01-28 | 青岛海尔空调电子有限公司 | Air conditioning system |
| US11754327B2 (en) | 2019-07-25 | 2023-09-12 | Qingdao Haier Air-Conditioning Electronic Co., Ltd. | Air conditioning system |
| CN113335016A (en) * | 2021-05-08 | 2021-09-03 | 西安交通大学 | Injector module for new energy vehicle and transcritical CO2Heat pump air conditioning system and method |
| CN114183942A (en) * | 2021-12-10 | 2022-03-15 | 珠海格力电器股份有限公司 | Heat exchange system |
| CN114183942B (en) * | 2021-12-10 | 2023-01-10 | 珠海格力电器股份有限公司 | Heat exchange system |
| CN114459179A (en) * | 2021-12-27 | 2022-05-10 | 华北理工大学 | Carbon dioxide direct evaporation type ice making system for artificial ice rink and using method thereof |
| CN114459179B (en) * | 2021-12-27 | 2023-05-12 | 华北理工大学 | Artificial ice rink carbon dioxide direct evaporation type ice making system and application method thereof |
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Application publication date: 20160727 |
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