CN107192159A - A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing - Google Patents
A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing Download PDFInfo
- Publication number
- CN107192159A CN107192159A CN201710561195.0A CN201710561195A CN107192159A CN 107192159 A CN107192159 A CN 107192159A CN 201710561195 A CN201710561195 A CN 201710561195A CN 107192159 A CN107192159 A CN 107192159A
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- Prior art keywords
- main road
- expansion valve
- compressor
- economizer
- gas
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Links
- 238000001816 cooling Methods 0.000 claims abstract description 9
- 239000007788 liquid Substances 0.000 claims abstract description 7
- 238000000926 separation method Methods 0.000 claims 1
- 238000010438 heat treatment Methods 0.000 abstract description 12
- 238000005057 refrigeration Methods 0.000 abstract description 11
- 238000010276 construction Methods 0.000 abstract description 2
- 239000003507 refrigerant Substances 0.000 description 4
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005728 strengthening Methods 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B13/00—Compression machines, plants or systems, with reversible cycle
-
- 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
- F25B41/00—Fluid-circulation arrangements
- F25B41/30—Expansion means; Dispositions thereof
- F25B41/31—Expansion 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
- 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
- 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
- F25B2313/00—Compression machines, plants or systems with reversible cycle not otherwise provided for
- F25B2313/031—Sensor 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
- F25B2400/00—General features or devices for refrigeration machines, plants or systems, combined heating and refrigeration systems or heat-pump systems, i.e. not limited to a particular subgroup of F25B
- F25B2400/19—Pumping down refrigerant from one part of the cycle to another part of the cycle, e.g. when the cycle is changed from cooling to heating, or before a defrost cycle is started
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
-
- 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
- F25B2700/00—Sensing or detecting of parameters; Sensors therefor
- F25B2700/21—Temperatures
- F25B2700/2115—Temperatures of a compressor or the drive means therefor
- F25B2700/21152—Temperatures of a compressor or the drive means therefor at the discharge side of the compressor
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/70—Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Air Conditioning Control Device (AREA)
Abstract
The present invention relates to a kind of improved cold and hot unit of Gas-supplying enthalpy-increasing, including the circulation main road being made up of compressor, four-way valve, evaporator, condenser and gas-liquid separator, the compressor is Gas-supplying enthalpy-increasing compressor.Main road is sequentially concatenated on main road between the evaporator and condenser and heats electric expansion valve, economizer master port and main road cooling electronic expansion valve；The auxiliary port of the economizer connects the main road by bypass respectively and heats electric expansion valve and the compressor；The bypass that the economizer and the main road are heated between electric expansion valve is provided with bypass electric expansion valve.The present invention is reasonable in design, simple in construction, and the Gas-supplying enthalpy-increasing under refrigeration or heating mode can be realized simultaneously, the performance and efficiency of unit is greatly improved, is conducive to the popularization of product.
Description
Technical field
The present invention relates to a kind of air-conditioning system, especially a kind of Gas-supplying enthalpy-increasing simultaneously when can solve the problem that refrigeration and heating it is cold
Heat engine group, specifically a kind of cold and hot unit of improved Gas-supplying enthalpy-increasing.
Background technology
By Gas-supplying enthalpy-increasing technology be applied to net for air-source heat pump units in, be solve net for air-source heat pump units in bad working environments i.e.
It is effective the problems such as system heating capacity or refrigerating capacity deficiency, relatively low efficiency, excessive discharge temperature under ultralow temperature or superhigh temperature operating mode
One of scheme.But, control system only has the function of heating Gas-supplying enthalpy-increasing mostly at present, can solve to heat in low temperature environment
Performance, but the Gas-supplying enthalpy-increasing under refrigeration or heating mode can not be realized simultaneously, the performance of unit is restricted, influence product
Use and promote.
The content of the invention
The purpose of the present invention be in view of the shortcomings of the prior art there is provided a kind of improved cold and hot unit of Gas-supplying enthalpy-increasing, can be with
The Gas-supplying enthalpy-increasing under refrigeration or heating mode is realized simultaneously, is greatly improved the performance and efficiency of unit, is conducive to product
Popularization.
The technical scheme is that：
A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing, including by compressor, four-way valve, evaporator, condenser and gas-liquid separator
The circulation main road of composition, the compressor is Gas-supplying enthalpy-increasing compressor.On main road between the evaporator and condenser sequentially
Concatenation main road heats electric expansion valve, economizer master port and main road cooling electronic expansion valve；The auxiliary port difference of the economizer
The main road is connected by bypass and heats electric expansion valve and the compressor；It is swollen that the economizer and the main road heat electronics
Bypass between swollen valve is provided with bypass electric expansion valve.
Further, the auxiliary port both sides of the economizer are respectively equipped with economizer tonifying Qi inlet temperature sensor and economizer
Tonifying Qi outlet temperature sensor.
Further, the exhaust outlet of the compressor is provided with exhaust gas temperature sensor.
Beneficial effects of the present invention：
The present invention is reasonable in design, simple in construction, can be by the switching of four-way valve, while realizing under refrigeration or heating mode
Gas-supplying enthalpy-increasing, greatly improves the performance and efficiency of unit, is conducive to the popularization of product.
Brief description of the drawings
Fig. 1 is the schematic diagram of the present invention in cooling mode.
Fig. 2 is the schematic diagram of the present invention in a heating mode.
Wherein：1- compressors, 2- four-way valves, 3- condensers, 4- main roads heat electric expansion valve, 5- bypass electronic expansions
Valve, 6- main road cooling electronic expansion valves, 7- economizers, 8- evaporators, 9- gas-liquid separators, 10- exhaust gas temperature sensors, 11-
Economizer tonifying Qi inlet temperature sensor, 12- economizer tonifying Qi outlet temperature sensors, 13- high-voltage switch gears, 14- low tension switches.
Embodiment
The present invention is further illustrated with reference to the accompanying drawings and examples.
A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing, including it is gentle by compressor 1, four-way valve 2, evaporator 8, condenser 3
The circulation main road that liquid/gas separator 9 is constituted.Wherein, the compressor 1 is Gas-supplying enthalpy-increasing compressor.The evaporator 8 and condenser 3
Between main road on sequentially concatenate main road and heat electric expansion valve 4, the master port of economizer 7 and main road cooling electronic expansion valve 6.Should
The auxiliary port of economizer 7 connects the main road by bypass and heats electric expansion valve 6 and the compressor 1 respectively.The economizer 7
And the bypass that the main road is heated between electric expansion valve 6 is provided with bypass electric expansion valve 5, to adjust the refrigeration on bypass
Agent.The auxiliary port both sides of economizer 7 are respectively equipped with economizer tonifying Qi inlet temperature sensor 11 and economizer tonifying Qi outlet temperature
Spend sensor 12.The foundation that temperature difference between the rwo can be adjusted as bypass electric expansion valve 5.The compressor 1
Exhaust outlet is provided with exhaust gas temperature sensor 10, can sense delivery temperature.On the exhaust outlet and air entry of the compressor 1 respectively
High-voltage switch gear 13 and low tension switch 14 are additionally provided with, to be protected to compressor.
The course of work of the present invention is as follows：
Refrigeration mode, as shown in figure 1, refrigerant flows out from the exhaust outlet of compressor 1, flows through four-way valve 2 and condenser 3 successively,
Electric expansion valve 4 is heated by main road again, two-way is divided into after economizer 7, all the way by main road cooling electronic expansion valve 6,
Again after evaporator 8, four-way valve 2 and gas-liquid separator 9, compressor 1 is flowed back to；Bypass electric expansion valve 5, warp are passed through in another road
The auxiliary port flow for crossing economizer 7 returns compressor 2, the refrigerant of two branch flow passages is mixed in compressor 1, realizes tonifying Qi
The purpose of increasing enthalpy Two-stage Compression.In the process, main road heats the aperture of electric expansion valve 4 and reaches maximum rating, main road refrigeration electricity
Sub- expansion valve 6 is adjusted according to delivery temperature and economizer out temperature difference, and bypass electric expansion valve 5 is passed in and out according to economizer
Mouth temperature difference control valve opening, realizes the purpose of refrigeration Gas-supplying enthalpy-increasing, and the refrigerating capacity of strengthening system improves refrigeration efficiency.
Heating mode, as shown in Fig. 2 refrigerant flows out from the exhaust outlet of compressor 1, flows through four-way valve 2 and evaporation successively
Device 8, then be divided into two-way after main road cooling electronic expansion valve 6, all the way by economizer 7, then sequentially passes through main road and heats electricity
Sub- expansion valve 4, condenser 3, four-way valve 2 and gas-liquid separator 9, flow back to compressor 1；Bypass electric expansion valve 5 is passed through on another road,
Compressor 2 is flowed back to behind the auxiliary port of economizer 7, the refrigerant of two branch flow passages is mixed in compressor 1, realizes
The purpose of Gas-supplying enthalpy-increasing Two-stage Compression.In the process, the aperture of main road cooling electronic expansion valve 6 reaches maximum rating, main road system
Thermoelectron expansion valve 4 is adjusted according to delivery temperature and economizer out temperature difference, and bypass electric expansion valve 5 is according to economizer
Out temperature differential regulating valve aperture, realizes the purpose for heating Gas-supplying enthalpy-increasing, and the heating capacity of strengthening system, raising heats energy
Effect.
The present invention makes whole unit only need to be by the switching of four-way valve, you can simultaneously by setting three electric expansion valves
The Gas-supplying enthalpy-increasing under refrigeration or heating mode is realized, the performance and efficiency of unit is greatly improved.
Part that the present invention does not relate to is same as the prior art or can be realized using prior art.
Claims (3)
1. a kind of cold and hot unit of improved Gas-supplying enthalpy-increasing, including by compressor, four-way valve, evaporator, condenser and gas-liquid separation
The circulation main road that device is constituted, the compressor is Gas-supplying enthalpy-increasing compressor, it is characterized in that between the evaporator and condenser
Main road is sequentially concatenated on main road and heats electric expansion valve, economizer master port and main road cooling electronic expansion valve；The economizer
Auxiliary port connects the main road by bypass respectively and heats electric expansion valve and the compressor；The economizer and the main road
The bypass heated between electric expansion valve is provided with bypass electric expansion valve.
2. the cold and hot unit of improved Gas-supplying enthalpy-increasing according to claim 1, it is characterized in that the auxiliary port both sides of the economizer
It is respectively equipped with economizer tonifying Qi inlet temperature sensor and economizer tonifying Qi outlet temperature sensor.
3. the cold and hot unit of improved Gas-supplying enthalpy-increasing according to claim 1, it is characterized in that the exhaust outlet of the compressor is set
There is exhaust gas temperature sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561195.0A CN107192159A (en) | 2017-07-11 | 2017-07-11 | A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710561195.0A CN107192159A (en) | 2017-07-11 | 2017-07-11 | A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107192159A true CN107192159A (en) | 2017-09-22 |
Family
ID=59883552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710561195.0A Pending CN107192159A (en) | 2017-07-11 | 2017-07-11 | A kind of cold and hot unit of improved Gas-supplying enthalpy-increasing |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107883606A (en) * | 2017-12-12 | 2018-04-06 | 南京天加环境科技有限公司 | A kind of efficient heat source tower heat pump |
| CN107906778A (en) * | 2017-11-13 | 2018-04-13 | 南京天加环境科技有限公司 | The control system and control method of multi-gang air-conditioner unit air injection enthalpy-increasing jet amount |
| CN108106041A (en) * | 2017-12-07 | 2018-06-01 | 湖南华强电气股份有限公司 | A kind of vehicle-mounted heat pump air conditioner with Gas-supplying enthalpy-increasing |
| CN109631380A (en) * | 2018-11-16 | 2019-04-16 | 青岛海尔空调电子有限公司 | Air-conditioner outdoor unit group and air conditioner |
| CN109813008A (en) * | 2019-03-14 | 2019-05-28 | 王立华 | A kind of increasing enthalpy type is cold and hot all can to imitate recycling heat pump |
| CN110645726A (en) * | 2019-10-16 | 2020-01-03 | 珠海格力电器股份有限公司 | Single-cooling air conditioning system and control method thereof, heat pump air conditioning system and control method thereof |
| CN110925874A (en) * | 2019-11-27 | 2020-03-27 | 南京天加环境科技有限公司 | Multi-split system with double enhanced vapor injection compressors |
| CN111288691A (en) * | 2020-02-24 | 2020-06-16 | 广东美的暖通设备有限公司 | Heat pump system, control method of heat pump system, and readable storage medium |
| WO2021208197A1 (en) * | 2020-04-13 | 2021-10-21 | 南京天加环境科技有限公司 | Double-compressor air-source cold-water heat pump unit and control method therefor |
| CN113531711A (en) * | 2021-07-28 | 2021-10-22 | 南京天加环境科技有限公司 | Novel dehumidification reheating system and control method thereof |
| CN115406136B (en) * | 2022-08-23 | 2023-09-08 | 中山市爱美泰电器有限公司 | Low-temperature starting heat pump system |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100212342A1 (en) * | 2009-02-25 | 2010-08-26 | Lg Electronics Inc. | Air conditioner and method of controlling the same |
| CN101900448A (en) * | 2009-06-01 | 2010-12-01 | 特灵空调系统(中国)有限公司 | Steam jet enthalpy heat pump air-conditioning hot water unit |
| CN103090579A (en) * | 2011-10-31 | 2013-05-08 | 中国科学院理化技术研究所 | Air conditioner heat pump system of electric automobile |
| CN104296413A (en) * | 2014-09-24 | 2015-01-21 | 广东欧科空调制冷有限公司 | Variable frequency low-temperature strong heat air conditioner system |
| CN104315742A (en) * | 2014-11-05 | 2015-01-28 | 合肥工业大学 | Electric automobile air conditioning heat pump system with economizer and control method thereof |
| CN104596166A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Air conditioner and air supplying and enthalpy adding method thereof |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN105091395A (en) * | 2015-08-31 | 2015-11-25 | 广东美的制冷设备有限公司 | Cooling and heating type air-conditioner system and single-cooling type air-conditioner system |
| CN106642792A (en) * | 2017-01-20 | 2017-05-10 | 珠海格力电器股份有限公司 | Enhanced vapor injection air conditioning unit |
| CN106871486A (en) * | 2017-04-24 | 2017-06-20 | 大连中星科技开发有限公司 | Control method for electronic expansion valve and air source heat pump system |
| CN107990585A (en) * | 2017-12-26 | 2018-05-04 | 南京天加环境科技有限公司 | A kind of improved air injection enthalpy-increasing air-conditioning system |
-
2017
- 2017-07-11 CN CN201710561195.0A patent/CN107192159A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100212342A1 (en) * | 2009-02-25 | 2010-08-26 | Lg Electronics Inc. | Air conditioner and method of controlling the same |
| CN101900448A (en) * | 2009-06-01 | 2010-12-01 | 特灵空调系统(中国)有限公司 | Steam jet enthalpy heat pump air-conditioning hot water unit |
| CN103090579A (en) * | 2011-10-31 | 2013-05-08 | 中国科学院理化技术研究所 | Air conditioner heat pump system of electric automobile |
| CN104596166A (en) * | 2013-10-31 | 2015-05-06 | 海尔集团公司 | Air conditioner and air supplying and enthalpy adding method thereof |
| CN104296413A (en) * | 2014-09-24 | 2015-01-21 | 广东欧科空调制冷有限公司 | Variable frequency low-temperature strong heat air conditioner system |
| CN104315742A (en) * | 2014-11-05 | 2015-01-28 | 合肥工业大学 | Electric automobile air conditioning heat pump system with economizer and control method thereof |
| CN104613665A (en) * | 2015-02-02 | 2015-05-13 | 珠海格力电器股份有限公司 | Heat pump air conditioning system |
| CN105091395A (en) * | 2015-08-31 | 2015-11-25 | 广东美的制冷设备有限公司 | Cooling and heating type air-conditioner system and single-cooling type air-conditioner system |
| CN106642792A (en) * | 2017-01-20 | 2017-05-10 | 珠海格力电器股份有限公司 | Enhanced vapor injection air conditioning unit |
| CN106871486A (en) * | 2017-04-24 | 2017-06-20 | 大连中星科技开发有限公司 | Control method for electronic expansion valve and air source heat pump system |
| CN107990585A (en) * | 2017-12-26 | 2018-05-04 | 南京天加环境科技有限公司 | A kind of improved air injection enthalpy-increasing air-conditioning system |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107906778B (en) * | 2017-11-13 | 2019-11-26 | 南京天加环境科技有限公司 | The control system and control method of multi-gang air-conditioner unit air injection enthalpy-increasing jet amount |
| CN107906778A (en) * | 2017-11-13 | 2018-04-13 | 南京天加环境科技有限公司 | The control system and control method of multi-gang air-conditioner unit air injection enthalpy-increasing jet amount |
| CN108106041A (en) * | 2017-12-07 | 2018-06-01 | 湖南华强电气股份有限公司 | A kind of vehicle-mounted heat pump air conditioner with Gas-supplying enthalpy-increasing |
| CN107883606A (en) * | 2017-12-12 | 2018-04-06 | 南京天加环境科技有限公司 | A kind of efficient heat source tower heat pump |
| CN109631380B (en) * | 2018-11-16 | 2021-08-06 | 青岛海尔空调电子有限公司 | Air conditioner outdoor unit and air conditioner |
| CN109631380A (en) * | 2018-11-16 | 2019-04-16 | 青岛海尔空调电子有限公司 | Air-conditioner outdoor unit group and air conditioner |
| CN109813008A (en) * | 2019-03-14 | 2019-05-28 | 王立华 | A kind of increasing enthalpy type is cold and hot all can to imitate recycling heat pump |
| CN110645726A (en) * | 2019-10-16 | 2020-01-03 | 珠海格力电器股份有限公司 | Single-cooling air conditioning system and control method thereof, heat pump air conditioning system and control method thereof |
| CN110925874A (en) * | 2019-11-27 | 2020-03-27 | 南京天加环境科技有限公司 | Multi-split system with double enhanced vapor injection compressors |
| CN111288691A (en) * | 2020-02-24 | 2020-06-16 | 广东美的暖通设备有限公司 | Heat pump system, control method of heat pump system, and readable storage medium |
| WO2021208197A1 (en) * | 2020-04-13 | 2021-10-21 | 南京天加环境科技有限公司 | Double-compressor air-source cold-water heat pump unit and control method therefor |
| CN113531711A (en) * | 2021-07-28 | 2021-10-22 | 南京天加环境科技有限公司 | Novel dehumidification reheating system and control method thereof |
| CN113531711B (en) * | 2021-07-28 | 2022-12-06 | 南京天加环境科技有限公司 | Dehumidification reheating system and control method thereof |
| CN115406136B (en) * | 2022-08-23 | 2023-09-08 | 中山市爱美泰电器有限公司 | Low-temperature starting heat pump system |
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