CN101392969A - Heat pump air conditioning system - Google Patents
Heat pump air conditioning system Download PDFInfo
- Publication number
- CN101392969A CN101392969A CNA2008101219203A CN200810121920A CN101392969A CN 101392969 A CN101392969 A CN 101392969A CN A2008101219203 A CNA2008101219203 A CN A2008101219203A CN 200810121920 A CN200810121920 A CN 200810121920A CN 101392969 A CN101392969 A CN 101392969A
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- refrigeration
- gas
- heat
- heat pump
- liquid separator
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- 238000004378 air conditioning Methods 0.000 title claims abstract description 26
- 238000005057 refrigeration Methods 0.000 claims abstract description 54
- 239000007788 liquid Substances 0.000 claims abstract description 33
- 238000010438 heat treatment Methods 0.000 claims abstract description 23
- 239000006200 vaporizer Substances 0.000 claims description 20
- 238000001035 drying Methods 0.000 claims description 6
- 238000001914 filtration Methods 0.000 claims description 5
- 230000008016 vaporization Effects 0.000 abstract 3
- 238000009834 vaporization Methods 0.000 abstract 3
- 238000001816 cooling Methods 0.000 description 10
- 238000001704 evaporation Methods 0.000 description 5
- 230000009102 absorption Effects 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 4
- 230000008020 evaporation Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000003507 refrigerant Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000003570 air Substances 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005202 decontamination Methods 0.000 description 1
- 230000003588 decontaminative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000000737 periodic effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
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- Compression-Type Refrigeration Machines With Reversible Cycles (AREA)
Abstract
The invention discloses a heat pump air-conditioning system, which comprises a compressor, a vaporization system, a condenser, a four-way change valve and a gas-liquid separator, wherein the condenser is communicated with the vaporization system through a refrigeration and heating exchange pipeline; the vaporization system comprises a high-temperature evaporator and a low-temperature evaporator which are connected in series with each other; the input end of the high-temperature evaporator is connected with the refrigeration and heating exchange pipeline; the gas-liquid separator 1 is arranged between the high-temperature evaporator and the low-temperature evaporator; a refrigeration throttle valve 2 is arranged between the gas-liquid separator 1 and the low-temperature evaporator; a heating non-return valve is connected in parallel with the refrigeration throttle valve 2; an air outlet of the gas-liquid separator 1 is connected with an injector; and a suction inlet of the injector is connected with the refrigeration outlet end of the low-temperature evaporator, and an outlet of the injector is communicated with the four-way change valve through the gas-liquid separator. The heat pump air-conditioning system can greatly improve the refrigeration performance of a heat pump and the processing quality of indoor air, saves the energy, and is more economic and environment-friendly.
Description
Technical field
The present invention relates to field of heating ventilation air conditioning, be specifically related to a kind of heat pump type air conditioning system.
Background technology
In the Air-conditioning Engineering, indoor temperature and humidity are two important parameters that influence thermal comfort, need control.Main method cooling, the dehumidifying of adopting cooling in the present Air-conditioning Engineering.Dedicated outdoor air system is HVAC new technology that development is very fast in recent years.Because in the comfort air conditioning system, sensible heat accounts for the main part of load usually, and latent heat (humidity load) occupies the minority.By hot humidity load is handled respectively, evaporating temperature can improve during refrigeration machine work, thereby efficient is improved, humidity load then can be born by the new wind of handling to low water capacity, surplus wet the time in the decontamination chamber, also guaranteed the ventilation in house, improved indoor air quality.
Heat pump is a kind of hot machine of contrary periodic duty, and the heat that is several times as much as the input energy is emitted in the high-grade energy input that it can be less from the low temperature environment heat absorption and to hot environment.Its low temperature environment can be air, soil, water etc.Heat pump can be used as cooling or firing equipment, is used for as housing heating, air-conditioning, and the drying of material, heating or cooling etc.Developing rapidly along with China's economic society in recent years, the resident living level improves constantly, requirement to the living environment comfortableness also improves constantly thereupon, thereby heat pump with functions such as air-conditioning, heat supplies, air source heat pump particularly, with its cheapness easily characteristics obtained widely to use, and estimate development, its production and use and also will continue to enlarge along with economic society.But thermodynamic principles have determined the heat source temperature influence of will catching a cold of heat pump its performance of when work, air source heat pump is its Cooling and Heat Source with extraneous surrounding air, its performance is influenced by ambient temperature not only, also relevant with its temperature levels to the Cooling and Heat Source of indoor terminal output, and the influence of environment temperature and heat supply, air conditioner load variation tendency are opposite: winter, temperature reduces, the premises heating load increases, but the heat pump heating capacity then descends with temperature, degradation, when temperature drops to a certain degree, conventional air source heat pump even cisco unity malfunction; In summer, temperature raises, and air conditioner load increases, but the heat pump refrigerating ability then raises with temperature and descend, and performance is variation also.
In addition, present heat pump techniques, indoor use side mainly adopts the heat convection mode, during the summer air-conditioning refrigeration, for keeping and control indoor temperature and humidity, the employing type of cooling is room temperature lowering, dehumidifying, make it be in human thermal comfort zone, this certainly will will reduce the thermo-compression evaporation temperature, thereby influences heat pump performance, and the condensate water that cooling and dehumidifying produces also brings problem of indoor air quality, influences people's health; During winter heating, the wind pushing temperature that satisfies human thermal comfort sense requirement can not be too low, thereby require heat pump will keep higher condensation temperature and pressure, and this also can reduce its heating performance.Further improve heat pump performance, except that continuing deeply to carry out being necessary to seek new technique direction the aforementioned research.
Summary of the invention
The present invention the technical problem that will just solve just provide a kind of heat pump type air conditioning system, the refrigeration and the heating performance of the raising heat pump that it can be bigger improve the quality that room air is handled, and save the energy, environmental protection more economically.
In order to solve the problems of the technologies described above, the present invention adopts following technical scheme: a kind of heat pump type air conditioning system, comprise compressor, vapo(u)rization system, condenser, four-way change-over valve, be provided with gas-liquid separator between described compressor return air mouth and four-way change-over valve, described condenser and vapo(u)rization system be the gas outlet UNICOM by four-way change-over valve and compressor respectively, pass through refrigeration between condenser and vapo(u)rization system, heat exchange pipeline UNICOM, it is characterized in that: described vapo(u)rization system comprises the high-temperature evaporator and the cryogenic vaporizer of mutual serial connection, the high-temperature evaporator arrival end connects refrigeration, heat the exchange pipeline, be provided with gas-liquid separator one between described high-temperature evaporator and the cryogenic vaporizer, be provided with refrigeration choke valve two between gas-liquid separator one and the cryogenic vaporizer, be parallel with one on the refrigeration choke valve two and heat check valve, described gas-liquid separator one gas outlet is connected with injector, the suction inlet of injector is connected with the cryogenic vaporizer refrigeration port of export, and the outlet of injector is communicated with by four-way change-over valve with gas-liquid separator.
Preferably, described refrigeration, heat the exchange pipeline and comprise the refrigeration branch road one of bridge joint and heat branch road one and be connected refrigeration, heat the liquid reservoir and the device for drying and filtering that exchange on the pipeline, described refrigeration branch road one comprises the refrigeration check valve and the refrigeration choke valve one of mutual serial connection, and the described branch road one that heats comprises heating check valve and heating choke valve of mutual serial connection.
Preferably, described vapo(u)rization system is some groups for being arranged in parallel.
Improved, the choke valve one that independently freezes is set respectively on described every group of vapo(u)rization system, be parallel with on the refrigeration choke valve one and heat check valve, so more be better than independent control to every group of vapo(u)rization system.
The present invention adopts technique scheme, vapo(u)rization system is set to high-temperature evaporator and cryogenic vaporizer, and at cryogenic vaporizer two ends parallel connection one injector, the refrigerant vapour that a part of high-temperature evaporator is produced is as the working gas injection, the refrigerant vapour that the pressurization cryogenic vaporizer produces carries out the throttling of the degree of depth to be handled, so just realize that high-temperature evaporator provides the high temperature low-temperature receiver, handle the air-conditioning sensible heat load, i.e. cooling, cryogenic vaporizer is handled latent heat load, i.e. dehumidifying, thereby the refrigeration performance of bigger raising heat pump improve the quality that room air is handled, save the energy, environmental protection more economically.
Description of drawings
The invention will be further described below in conjunction with accompanying drawing:
Fig. 1 is heat pump type air conditioning system embodiment one structural representation of the present invention;
Fig. 2 is heat pump type air conditioning system embodiment two structural representations of the present invention for figure;
Fig. 3 is heat pump type air conditioning system embodiment three structural representations of the present invention for figure.
The specific embodiment
As shown in Figure 1, be a kind of heat pump type air conditioning system embodiment one of the present invention, comprise compressor 1, vapo(u)rization system, condenser 4, four-way change-over valve 2, compressor 1 return-air mouth and 2 of four-way change-over valves are provided with gas-liquid separator 3, described condenser and vapo(u)rization system be the gas outlet UNICOM by four-way change-over valve and compressor respectively, pass through refrigeration between condenser and vapo(u)rization system, heat exchange pipeline 01 UNICOM, described vapo(u)rization system comprises the high-temperature evaporator 91 and the cryogenic vaporizer 92 of mutual serial connection, the high-temperature evaporator arrival end connects refrigeration, heat the exchange pipeline, be provided with gas-liquid separator 1 between described high-temperature evaporator and the cryogenic vaporizer, be provided with refrigeration choke valve 2 63 between gas-liquid separator one and the cryogenic vaporizer, refrigeration is parallel with opposite with its a flow direction check valve 52 that heats on the choke valve 2 63, described gas-liquid separator one 10 gas outlets are connected with injector 11, the suction inlet of injector 11 is connected with the cryogenic vaporizer 92 refrigeration ports of export, and the outlet of injector 11 is communicated with by four-way change-over valve 2 with gas-liquid separator 3.Described refrigeration, heat exchange pipeline 01 and comprise the refrigeration branch road one of bridge joint and heat branch road one and be connected refrigeration, heat the liquid reservoir 7 and the device for drying and filtering 8 that exchange on the pipeline, refrigeration branch road one and heat branch road one and flow to reverse setting, described refrigeration branch road one comprises the refrigeration check valve 51 and the refrigeration choke valve 1 of mutual serial connection, heats branch road one and comprises heating check valve 52 and heating choke valve 62 of mutual serial connection.
As Fig. 2, be heat pump type air conditioning system embodiment two structural representations of the present invention, it is on the basis of embodiment one, two groups of being set to be arranged in parallel of described vapo(u)rization system, the choke valve 1 that independently freezes is set respectively on every group of vapo(u)rization system, refrigeration is parallel with opposite with its flow direction check valve 52 that heats on the choke valve 1, so more is better than the independent of every group of vapo(u)rization system controlled.
As Fig. 3, be heat pump type air conditioning system embodiment three structural representations of the present invention, on the basis of embodiment one, three groups of being set to be arranged in parallel of described vapo(u)rization system, the choke valve 1 that independently freezes is set respectively on every group of vapo(u)rization system, is parallel with opposite with its flow direction check valve 52 that heats on the refrigeration choke valve 1.
As Fig. 2, under cooling condition, after cold-producing medium is discharged from compressor 1, after four-way change-over valve 2 enters condenser 4 and is condensed into liquid, enter liquid reservoir 7, device for drying and filtering 8, refrigeration check valve 51 through refrigeration check valve 51, again after one 61 throttlings of refrigeration choke valve, enter high-temperature evaporator 91 evaporation heat absorptions, refrigeration, enter vapour liquid separator 1 after becoming liquid-vapor mixture, liquid-vapor mixture is separated into two-phase at this, the working steam that gas enters as injector 11 enters injector, and injection is from the cold-producing medium of cryogenic vaporizer 92; Refrigerant liquid in the vapour liquid separator one enters cryogenic vaporizer 92 heat absorption evaporations after 2 63 throttlings of refrigeration choke valve, injected device 11 injections enter injector after becoming gaseous state, mix, boost after four-way change-over valve 2 enters compressor 1 after entering vapour liquid separator 3 again with working steam, finish a kind of refrigeration cycle.During the heat pump heating operation, after cold-producing medium is discharged from compressor 1, enter injector 11 through four-way change-over valve 2, enter cryogenic vaporizer 92, after the part heat is emitted in condensation, through heating check valve 52, vapour liquid separator 1 enters high-temperature evaporator 91, cold-producing medium is condensed into liquid in high-temperature evaporator after, enter liquid reservoir 7 through heating check valve 52, device for drying and filtering 8, heat check valve 52, after heating choke valve 62 throttlings, enter the condenser heat absorption again, evaporation, become gas after four-way change-over valve 2 enters compressor 1 after entering vapour liquid separator 3 again, finish heating circulation, arrow is depicted as and flows to signal among the figure.
Above-mentioned high-temperature evaporator and cryogenic vaporizer can be various types of heat exchangers, are used for heating or refrigerating mediums such as cooling water, air.
Claims (5)
1, a kind of heat pump type air conditioning system, comprise compressor, vapo(u)rization system, condenser, four-way change-over valve, be provided with gas-liquid separator between described compressor return air mouth and four-way change-over valve, described condenser and vapo(u)rization system be the gas outlet UNICOM by four-way change-over valve and compressor respectively, pass through refrigeration between condenser and vapo(u)rization system, heat exchange pipeline UNICOM, it is characterized in that: described vapo(u)rization system comprises the high-temperature evaporator and the cryogenic vaporizer of mutual serial connection, the high-temperature evaporator arrival end connects refrigeration, heat the exchange pipeline, be provided with gas-liquid separator one between described high-temperature evaporator and the cryogenic vaporizer, be provided with refrigeration choke valve two between gas-liquid separator one and the cryogenic vaporizer, be parallel with one on the refrigeration choke valve two and heat check valve, described gas-liquid separator one gas outlet is connected with injector, the suction inlet of injector is connected with the cryogenic vaporizer refrigeration port of export, and the outlet of injector is communicated with by four-way change-over valve with gas-liquid separator.
2, heat pump type air conditioning system according to claim 1, it is characterized in that: described refrigeration, heat the exchange pipeline comprise the refrigeration branch road one of bridge joint and heat branch road one, described refrigeration branch road one comprises the refrigeration check valve and the refrigeration choke valve one of mutual serial connection, and the described branch road one that heats comprises heating check valve and heating choke valve of mutual serial connection.
3, heat pump type air conditioning system according to claim 2 is characterized in that: described refrigeration, heat the exchange pipeline be provided with liquid reservoir and device for drying and filtering.
4, according to claim 1,2 or 3 described heat pump type air conditioning systems, it is characterized in that: described vapo(u)rization system is some groups for being arranged in parallel.
5, heat pump type air conditioning system according to claim 4 is characterized in that: the choke valve one that independently freezes is set respectively on described every group of vapo(u)rization system, is parallel with on the refrigeration choke valve one and heats check valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101219203A CN101392969B (en) | 2008-10-23 | 2008-10-23 | Heat pump air conditioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008101219203A CN101392969B (en) | 2008-10-23 | 2008-10-23 | Heat pump air conditioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101392969A true CN101392969A (en) | 2009-03-25 |
| CN101392969B CN101392969B (en) | 2010-12-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101219203A Expired - Fee Related CN101392969B (en) | 2008-10-23 | 2008-10-23 | Heat pump air conditioning system |
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| Country | Link |
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| CN (1) | CN101392969B (en) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016000652A1 (en) * | 2014-07-04 | 2016-01-07 | 珠海格力电器股份有限公司 | Ejector refrigeration cycle apparatus |
| CN106440552A (en) * | 2016-09-12 | 2017-02-22 | 重庆美的通用制冷设备有限公司 | Heat pump unit |
| CN104626925B (en) * | 2013-11-07 | 2017-03-01 | 财团法人车辆研究测试中心 | Electrombile thermal management system |
| CN108826728A (en) * | 2018-06-20 | 2018-11-16 | 中国科学院广州能源研究所 | A kind of efficient CO2Heat pump waste-heat recovery device |
| CN108895700A (en) * | 2018-07-19 | 2018-11-27 | 广东志高暖通设备股份有限公司 | A kind of multiple injection hot pump in low temp energy conserving system with injector |
| CN110285511A (en) * | 2019-05-28 | 2019-09-27 | 昆明理工大学 | A kind of the direct-expansion-type air-conditioner set and cool-down dehumidification step processing method of sensible heat and latent heat segment processing |
| CN110578985A (en) * | 2019-09-20 | 2019-12-17 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
-
2008
- 2008-10-23 CN CN2008101219203A patent/CN101392969B/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104626925B (en) * | 2013-11-07 | 2017-03-01 | 财团法人车辆研究测试中心 | Electrombile thermal management system |
| WO2016000652A1 (en) * | 2014-07-04 | 2016-01-07 | 珠海格力电器股份有限公司 | Ejector refrigeration cycle apparatus |
| CN106440552A (en) * | 2016-09-12 | 2017-02-22 | 重庆美的通用制冷设备有限公司 | Heat pump unit |
| CN108826728A (en) * | 2018-06-20 | 2018-11-16 | 中国科学院广州能源研究所 | A kind of efficient CO2Heat pump waste-heat recovery device |
| CN108895700A (en) * | 2018-07-19 | 2018-11-27 | 广东志高暖通设备股份有限公司 | A kind of multiple injection hot pump in low temp energy conserving system with injector |
| CN110285511A (en) * | 2019-05-28 | 2019-09-27 | 昆明理工大学 | A kind of the direct-expansion-type air-conditioner set and cool-down dehumidification step processing method of sensible heat and latent heat segment processing |
| CN110578985A (en) * | 2019-09-20 | 2019-12-17 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN110578985B (en) * | 2019-09-20 | 2021-04-16 | 青岛海信日立空调系统有限公司 | Control method of air conditioner and air conditioner |
| CN112393454A (en) * | 2020-07-09 | 2021-02-23 | 香港城市大学深圳研究院 | Double-temperature air source heat pump unit |
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| Publication number | Publication date |
|---|---|
| CN101392969B (en) | 2010-12-29 |
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Granted publication date: 20101229 Termination date: 20121023 |