CN108131766A - A kind of double-compressor Double-working-condition air source heat pump circulatory system - Google Patents

A kind of double-compressor Double-working-condition air source heat pump circulatory system Download PDF

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Publication number
CN108131766A
CN108131766A CN201810109602.9A CN201810109602A CN108131766A CN 108131766 A CN108131766 A CN 108131766A CN 201810109602 A CN201810109602 A CN 201810109602A CN 108131766 A CN108131766 A CN 108131766A
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CN
China
Prior art keywords
heat exchanger
compressor
double
way reversing
cooling heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201810109602.9A
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Chinese (zh)
Inventor
于英娜
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
KUNSHAN KLIMASYSTEMTECHNIK CO Ltd
Original Assignee
KUNSHAN KLIMASYSTEMTECHNIK CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by KUNSHAN KLIMASYSTEMTECHNIK CO Ltd filed Critical KUNSHAN KLIMASYSTEMTECHNIK CO Ltd
Priority to CN201810109602.9A priority Critical patent/CN108131766A/en
Publication of CN108131766A publication Critical patent/CN108131766A/en
Pending legal-status Critical Current

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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F5/00Air-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
    • F24F5/0003Exclusively-fluid systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/28Arrangement or mounting of filters
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00Ventilation
    • F24F7/04Ventilation with ducting systems, e.g. by double walls; with natural circulation
    • F24F7/06Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit
    • F24F7/08Ventilation with ducting systems, e.g. by double walls; with natural circulation with forced air circulation, e.g. by fan positioning of a ventilator in or against a conduit with separate ducts for supplied and exhausted air with provisions for reversal of the input and output systems
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B1/00Compression machines, plants or systems with non-reversible cycle
    • F25B1/10Compression machines, plants or systems with non-reversible cycle with multi-stage compression
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B13/00Compression machines, plants or systems, with reversible cycle
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B41/00Fluid-circulation arrangements
    • F25B41/30Expansion means; Dispositions thereof
    • F25B41/31Expansion valves
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25BREFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B43/00Arrangements for separating or purifying gases or liquids; Arrangements for vaporising the residuum of liquid refrigerant, e.g. by heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F3/00Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems
    • F24F3/12Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling
    • F24F3/14Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification
    • F24F2003/144Air-conditioning systems in which conditioned primary air is supplied from one or more central stations to distributing units in the rooms or spaces where it may receive secondary treatment; Apparatus specially designed for such systems characterised by the treatment of the air otherwise than by heating and cooling by humidification; by dehumidification by dehumidification only
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • F24F13/24Means for preventing or suppressing noise
    • F24F2013/247Active noise-suppression
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B30/00Energy efficient heating, ventilation or air conditioning [HVAC]
    • Y02B30/70Efficient control or regulation technologies, e.g. for control of refrigerant flow, motor or heating

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Power Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Compression-Type Refrigeration Machines With Reversible Cycles (AREA)

Abstract

The invention discloses a kind of double-compressor Double-working-condition air source heat pump circulatory systems, and the first unit and the second unit are included including the body being located outside and in indoor new air box, body;First unit includes the first compressor, the first four-way reversing valve, the first gas-liquid separator, the first air cooling heat exchanger, the first electric expansion valve and water cooling heat exchanger, second unit includes the second compressor, the second four-way reversing valve, the second gas-liquid separator, the second air cooling heat exchanger and the second electric expansion valve, by using two compression circulatory systems, second unit directly carries out dew point dehumidifying using relatively low evaporating temperature to fresh air, is aided with pre-dehumidified and reheating when necessary;First unit prepares the high temperature cold water of radiation cooling needs using higher evaporating temperature, the performance of refrigeration system is improved to the maximum extent, save the energy loss that heat exchanger or water-water jet are brought, it is simple in structure in all integrated outdoor unit body of the first unit and the second unit.

Description

A kind of double-compressor Double-working-condition air source heat pump circulatory system
Technical field
The present invention relates to a kind of net for air-source heat pump units, more specifically, it relates to a kind of double-compressor Double-working-condition air Source heat pump circulating system.
Background technology
Air source heat pump is a kind of energy saver for heat being made to flow to from low level heat energy air high-order heat source using high potential. It is a kind of form of heat pump.As its name suggests, heat pump, can be the Lowlevel thermal energy that cannot directly utilize namely as pump (Such as heat contained in air, soil, water)Utilizable high level heat is converted to, part high potential is saved so as to reach (Such as coal, combustion gas, oil, electric energy)Purpose.At present, conventional capillary radiation system is single compressor heat pump system, Summer uses water at low temperature(7 DEG C or so)It is used for new wind turbine, while high temperature cold water is prepared by heat exchanger or water-water jet(16 DEG C of left sides It is right)It is used for capillary, and the coefficient of performance of evaporating temperature more low-heat pump is lower, and there is also energy for heat exchanger or water-water jet Loss.
Although the scheme for having double-compressor successively in recent years proposes that such as application No. is the patents of invention of 201510910152.X A kind of Double-working-condition air-conditioning is disclosed, although the Double-working-condition for proposing the multiple combinations including radiation cooling and air conditioner dehumidification machine is empty It adjusts, but compressor parallel, and shares an outdoor unit, flow and control are more complicated.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide a kind of double-compressor Double-working-condition air-source heat Pump circulation system has the characteristics that simple in structure, heating good refrigeration effect, at low cost and energy saving.
To achieve the above object, the present invention provides following technical solutions:
A kind of double-compressor Double-working-condition air source heat pump circulatory system, including the body being located outside and positioned at indoor fresh air Machine, body is interior to include the first unit and the second unit;
First unit include the first compressor, the first four-way reversing valve, the first gas-liquid separator, the first air cooling heat exchanger, First electric expansion valve and water cooling heat exchanger, described first compressor one end and the D interface of the first four-way reversing valve are connected, another End is connect with the first gas-liquid separator, and the S interfaces of the first gas-liquid separator other end and the first four-way reversing valve are connected, institute State the first four-way reversing valve C interface and first air cooling heat exchanger one end connect, the other end of first air cooling heat exchanger with First electric expansion valve one end connects, and the first electric expansion valve other end is connect with water cooling heat exchanger one end, the water cooling The E interface of the heat exchanger other end and the first four-way reversing valve is connected;
Second unit include the second compressor, the second four-way reversing valve, the second gas-liquid separator, the second air cooling heat exchanger, Second electric expansion valve and pipe-coil type evaporator, described second compressor one end and the D interface of the second four-way reversing valve are connected, separately One end is connect with the second gas-liquid separator, and the S interfaces of the second gas-liquid separator other end and the second four-way reversing valve are connected, One end of the C interface of second four-way reversing valve and the second air cooling heat exchanger is connected, second air cooling heat exchanger it is another End connect with one end of the second electric expansion valve, the pipe-coil type evaporator is arranged in new wind turbine, and with the second electronic expansion The E interface of the other end connection of valve, the pipe-coil type evaporator and the second four-way reversing valve is connected.
Preferably, the water cooling heat exchanger includes two water pipes, and two water pipes are both provided with filter.
Preferably, the new wind turbine includes air inlet, is located in the new wind turbine at air inlet and is provided with multistorey strainer mesh.
Preferably, in the body outdoor temperature is provided between the second electric expansion valve and pipe-coil type evaporator Meter.
Compared with prior art, the invention has the advantages that:
Using two compression circulatory systems, summer, the second unit directly carries out dew point to fresh air using relatively low evaporating temperature and removes It is wet, it is aided with pre-dehumidified and reheating when necessary;The high temperature that first unit prepares radiation cooling needs using higher evaporating temperature is cold Water, improves the performance of refrigeration system to the maximum extent, and saves the energy loss that heat exchanger or water-water jet are brought;This heat pump system System winter is adjusted to heat supply mode by four-way reversing valve refrigerant disk.The evaporating temperature of first unit is far above traditional one The evaporating temperature of cycle is compressed, the COP of refrigeration cycle can be improved;Directly supply warm water eliminates heat exchanger or water-water jet, into One step has saved energy.In addition, two compressors, two air cooling heat exchangers, water cooling heat exchanger, cycle attachment are all integrated in one In outdoor unit, user installation is facilitated to use, reduces noise.
Description of the drawings
Fig. 1 is the structure diagram of the present embodiment.
In figure:11st, the first compressor;12nd, the first four-way reversing valve;13rd, the first air cooling heat exchanger;14th, first is electronic swollen Swollen valve;15th, water cooling heat exchanger;16th, the first gas-liquid separator;21st, the second compressor;22nd, the second four-way reversing valve;23rd, second Air cooling heat exchanger;24th, the second electric expansion valve;25th, pipe-coil type evaporator;26th, the second gas-liquid separator;27th, new wind turbine;151、 Water pipe;1511st, filter;271st, strainer;28th, outdoor thermometer.
Specific embodiment
The present invention is described in further detail below in conjunction with attached drawing.
A kind of double-compressor Double-working-condition air source heat pump circulatory system, with reference to Fig. 1, including the body being located outside and position In indoor new wind turbine 27, new wind turbine 27 includes air inlet, is located in new wind turbine 27 at air inlet and is provided with multistorey strainer mesh 271.
Include the first unit and the second unit in body;First unit includes the first compressor 11, the first four-way reversing valve 12nd, the first gas-liquid separator 16, the first air cooling heat exchanger 13, the first electric expansion valve 14 and water cooling heat exchanger 15, the first compression 11 one end of machine and the D interface of the first four-way reversing valve 12 are connected, another port is connect with the first gas-liquid separator 16, the first gas The S interfaces of another port of liquid/gas separator 16 and the first four-way reversing valve 12 are connected, the C interface of the first four-way reversing valve 12 with First air cooling heat exchanger, 13 one end is connected, and the other end of the first air cooling heat exchanger 13 is connect with 14 one end of the first electric expansion valve, First electric expansion valve, 14 other end is connect with 15 one end of water cooling heat exchanger, and the other end of water cooling heat exchanger 15 is changed with the first four-way It is connected to the E interface of valve 12, water cooling heat exchanger 15 includes two water pipes 151, and two water pipes 151 are both provided with filter 1511, for filtering impurities in water.Its cooling operating mode specific embodiment passes sequentially through the first compressor 11, first for refrigerant Four-way reversing valve 12, the first air cooling heat exchanger 13, the first electric expansion valve 14, water cooling heat exchanger 15, the first gas-liquid separator 16 It returns in the first compressor 11, water cooling heat exchanger 15 prepares high temperature cold water for capillary system(16 DEG C or so).Its supplying thermal condition Specific embodiment passes sequentially through the first compressor 11, the first four-way reversing valve 12, the first air cooling heat exchanger 13, for refrigerant One electric expansion valve 14, water cooling heat exchanger 15, the first gas-liquid separator 16 are returned in the first compressor 11, and water cooling heat exchanger 15 is Capillary system prepares low-temperature water heating(35 DEG C or so).
Second unit includes that the second compressor 21, the second four-way reversing valve 22, the second gas-liquid separator 26, second is air-cooled changes Hot device 23, the second electric expansion valve 24 and pipe-coil type evaporator 25,21 one end of the second compressor and the D of the second four-way reversing valve 22 Interface is connected, another port is connected with the second gas-liquid separator 26, the other end and the second four-way of the second gas-liquid separator 26 The S interfaces of reversal valve 22 are connected, and one end of the C interface of the second four-way reversing valve 22 and the second air cooling heat exchanger 23 is connected, and second The other end of air cooling heat exchanger 23 is connect with one end of the second electric expansion valve 24, and pipe-coil type evaporator 25 is arranged on indoor new It in wind turbine 27, and is connect with the other end of the second electric expansion valve 24, the E of 25 and second four-way reversing valve 22 of pipe-coil type evaporator Interface is connected, and outdoor thermometer 28 is provided between the second electric expansion valve 24 and pipe-coil type evaporator 25, can detect outdoor temp Degree;Its cooling operating mode specific embodiment passes sequentially through the second compressor 21, the second four-way reversing valve 22, the second wind for refrigerant Cold heat exchanger 23, the second electric expansion valve 24, pipe-coil type evaporator 25, the second gas-liquid separator 26 return to the second compressor 21, Pipe-coil type evaporator 25 prepares Cryogenic air for new wind turbine 27(10 DEG C or so);Its supplying thermal condition specific embodiment is refrigerant Pass sequentially through the second compressor 21, the second four-way reversing valve 22, the second air cooling heat exchanger 23, the second electric expansion valve 24, coil pipe Formula evaporator 25, the second gas-liquid separator 26 return to the second compressor 21, and pipe-coil type evaporator 25 prepares hot sky for new wind turbine 27 Gas(20 DEG C or so).
The present embodiment is only explanation of the invention, is not limitation of the present invention, and those skilled in the art exist Can as needed the present embodiment be made the modification of no creative contribution after this specification by reading, but as long as in the present invention Right in all protected by Patent Law.

Claims (4)

1. a kind of double-compressor Double-working-condition air source heat pump circulatory system, including the body being located outside and positioned at indoor fresh air Machine, it is characterised in that:Include the first unit and the second unit in body;
First unit include the first compressor, the first four-way reversing valve, the first gas-liquid separator, the first air cooling heat exchanger, First electric expansion valve and water cooling heat exchanger, described first compressor one end and the D interface of the first four-way reversing valve are connected, another End is connect with the first gas-liquid separator, and the S interfaces of the first gas-liquid separator other end and the first four-way reversing valve are connected, institute State the first four-way reversing valve C interface and first air cooling heat exchanger one end connect, the other end of first air cooling heat exchanger with First electric expansion valve one end connects, and the first electric expansion valve other end is connect with water cooling heat exchanger one end, the water cooling The E interface of the heat exchanger other end and the first four-way reversing valve is connected;
Second unit include the second compressor, the second four-way reversing valve, the second gas-liquid separator, the second air cooling heat exchanger, Second electric expansion valve and pipe-coil type evaporator, described second compressor one end and the D interface of the second four-way reversing valve are connected, separately One end is connect with the second gas-liquid separator, and the S interfaces of the second gas-liquid separator other end and the second four-way reversing valve are connected, One end of the C interface of second four-way reversing valve and the second air cooling heat exchanger is connected, second air cooling heat exchanger it is another End connect with one end of the second electric expansion valve, the pipe-coil type evaporator is arranged in new wind turbine, and with the second electronic expansion The E interface of the other end connection of valve, the pipe-coil type evaporator and the second four-way reversing valve is connected.
2. the double-compressor Double-working-condition air source heat pump circulatory system according to claim 1, it is characterised in that:The water cooling Heat exchanger includes two water pipes, and two water pipes are both provided with filter.
3. the double-compressor Double-working-condition air source heat pump circulatory system according to claim 1, it is characterised in that:The fresh air Machine includes air inlet, is located in the new wind turbine at air inlet and is provided with multistorey strainer mesh.
4. the double-compressor Double-working-condition air source heat pump circulatory system according to claim 1, it is characterised in that:The body Inside it is located between the second electric expansion valve and pipe-coil type evaporator and is provided with outdoor thermometer.
CN201810109602.9A 2018-02-05 2018-02-05 A kind of double-compressor Double-working-condition air source heat pump circulatory system Pending CN108131766A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201810109602.9A CN108131766A (en) 2018-02-05 2018-02-05 A kind of double-compressor Double-working-condition air source heat pump circulatory system

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Application Number Priority Date Filing Date Title
CN201810109602.9A CN108131766A (en) 2018-02-05 2018-02-05 A kind of double-compressor Double-working-condition air source heat pump circulatory system

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CN108131766A true CN108131766A (en) 2018-06-08

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109595704A (en) * 2018-12-10 2019-04-09 江苏致远高科能源科技有限公司 A kind of efficient swimming pool heat pump dehumidifier and its working method
CN110440328A (en) * 2019-08-29 2019-11-12 博拓(苏州)新能源技术有限公司 A kind of integrated form heat pump of two expansion drums of band
CN111121193A (en) * 2018-10-31 2020-05-08 广东美芝精密制造有限公司 Air conditioner
CN114530645A (en) * 2022-01-19 2022-05-24 广州东力科技有限公司 Air-cooled alternating-current variable-frequency parallel system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384539A (en) * 2011-11-11 2012-03-21 江苏大学 Composite air-conditioning system combining air source heat pump system and rotating wheel dehumidification system
CN204806546U (en) * 2015-07-06 2015-11-25 山西恒星瑞邦供热有限公司 Warm system of air source heat pump roof radiation direct expansion cooling
CN107278253A (en) * 2016-09-07 2017-10-20 徐生恒 Air energy double stage heat pump air-conditioning system
CN207881054U (en) * 2018-02-05 2018-09-18 昆山开思拓空调技术有限公司 A kind of double-compressor Double-working-condition air source heat pump circulatory system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102384539A (en) * 2011-11-11 2012-03-21 江苏大学 Composite air-conditioning system combining air source heat pump system and rotating wheel dehumidification system
CN204806546U (en) * 2015-07-06 2015-11-25 山西恒星瑞邦供热有限公司 Warm system of air source heat pump roof radiation direct expansion cooling
CN107278253A (en) * 2016-09-07 2017-10-20 徐生恒 Air energy double stage heat pump air-conditioning system
CN207881054U (en) * 2018-02-05 2018-09-18 昆山开思拓空调技术有限公司 A kind of double-compressor Double-working-condition air source heat pump circulatory system

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111121193A (en) * 2018-10-31 2020-05-08 广东美芝精密制造有限公司 Air conditioner
CN109595704A (en) * 2018-12-10 2019-04-09 江苏致远高科能源科技有限公司 A kind of efficient swimming pool heat pump dehumidifier and its working method
CN109595704B (en) * 2018-12-10 2023-07-28 江苏致远高科能源科技有限公司 Efficient swimming pool heat pump dehumidifier and working method thereof
CN110440328A (en) * 2019-08-29 2019-11-12 博拓(苏州)新能源技术有限公司 A kind of integrated form heat pump of two expansion drums of band
CN114530645A (en) * 2022-01-19 2022-05-24 广州东力科技有限公司 Air-cooled alternating-current variable-frequency parallel system
CN114530645B (en) * 2022-01-19 2023-08-22 广州东力科技有限公司 Air-cooled alternating current variable frequency parallel system

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