CN111076329A - Room source heat pump air conditioning system - Google Patents

Room source heat pump air conditioning system Download PDF

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Publication number
CN111076329A
CN111076329A CN202010003801.9A CN202010003801A CN111076329A CN 111076329 A CN111076329 A CN 111076329A CN 202010003801 A CN202010003801 A CN 202010003801A CN 111076329 A CN111076329 A CN 111076329A
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CN
China
Prior art keywords
air
evaporator
air inlet
conditioning system
condenser
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
CN202010003801.9A
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Chinese (zh)
Inventor
徐生恒
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Ruicheng Technology Development Group Ltd
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Individual
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 Individual filed Critical Individual
Priority to CN202010003801.9A priority Critical patent/CN111076329A/en
Publication of CN111076329A publication Critical patent/CN111076329A/en
Pending legal-status Critical Current

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    • 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
    • F24F5/0007Air-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 cooling apparatus specially adapted for use in air-conditioning
    • F24F5/001Compression cycle type
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01GHORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
    • A01G9/00Cultivation in receptacles, forcing-frames or greenhouses; Edging for beds, lawn or the like
    • A01G9/24Devices or systems for heating, ventilating, regulating temperature, illuminating, or watering, in greenhouses, forcing-frames, or the like
    • A01G9/246Air-conditioning systems
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01KANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K1/00Housing animals; Equipment therefor
    • A01K1/0047Air-conditioning, e.g. ventilation, of animal housings
    • 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
    • F24F13/08Air-flow control members, e.g. louvres, grilles, flaps or guide plates
    • 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
    • F24F13/30Arrangement or mounting of heat-exchangers
    • 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
    • F25B47/00Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass
    • F25B47/006Arrangements for preventing or removing deposits or corrosion, not provided for in another subclass for preventing frost
    • 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
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A40/00Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
    • Y02A40/10Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
    • Y02A40/25Greenhouse technology, e.g. cooling systems therefor
    • 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
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P60/00Technologies relating to agriculture, livestock or agroalimentary industries
    • Y02P60/14Measures for saving energy, e.g. in green houses

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  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Environmental Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Sustainable Development (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Animal Husbandry (AREA)
  • Zoology (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Central Heating Systems (AREA)

Abstract

The invention relates to a room source heat pump air conditioning system, which comprises a loop formed by sequentially connecting an evaporator (1), a compressor (2), a condenser (3) and an expansion valve (4) in series, wherein the evaporator (1) is arranged outdoors, the room source heat pump air conditioning system also comprises an evaporator air inlet flow guide device (5), an air inlet of the evaporator air inlet flow guide device (5) is arranged indoors, and an air outlet of the evaporator air inlet flow guide device (5) is connected with an air inlet of the evaporator (1). The room source heat pump air conditioning system transmits indoor room source heat to the evaporator (1), realizes indoor circulating heating, ensures normal heating at low temperature in winter, and simultaneously fully utilizes the room source to realize effective energy conservation.

Description

Room source heat pump air conditioning system
Technical Field
The invention relates to an air energy heat pump air conditioning system, in particular to a room source heat pump air conditioning system.
Background
The currently used air energy heat pump air conditioning system mainly realizes the indoor cooling and heating effect by absorbing the energy in the outdoor air. At present, the indoor cooling effect can meet the requirements of people, but the indoor heat supply energy is seriously attenuated under the condition of low outdoor temperature, particularly when the outdoor temperature is less than or equal to minus 15 ℃. When indoor heating is carried out, the working principle of the air energy heat pump air conditioning system is that an evaporator absorbs heat from the outdoor environment to evaporate a heat transfer medium, medium steam is compressed by a compressor and then rises in pressure and temperature, high-temperature and high-pressure steam releases latent heat to a room needing heating through a condenser, cooled steam forms liquid in the condenser, returns to the evaporator through an expansion valve and then is evaporated to absorb heat, and the circulation is repeated in such a way to realize the heating effect on the room. When the outdoor temperature is low in winter, the evaporator installed outdoors is easy to freeze, the heat exchange thermal resistance between air and working media is increased due to the ice layer, the heat exchange performance of the evaporator is seriously hindered, the heat released by the condenser is reduced, and normal indoor heating cannot be guaranteed.
Disclosure of Invention
The invention aims to provide an energy-saving room source heat pump air conditioning system capable of being normally used at a low temperature.
The invention relates to a room source heat pump air conditioning system, which comprises a loop formed by sequentially connecting an evaporator, a compressor, a condenser and an expansion valve in series, wherein the evaporator is arranged outdoors, the room source heat pump air conditioning system also comprises an evaporator air inlet flow guider, an air inlet of the evaporator air inlet flow guider is arranged indoors, and an air outlet of the evaporator air inlet flow guider is connected with the air inlet of the evaporator.
The invention relates to a room source heat pump air conditioning system, wherein an air inlet of a condenser is connected with a condenser air inlet flow guide device, the air inlet of the condenser air inlet flow guide device is connected with an air outlet of a heat exchanger, the air inlet of the heat exchanger is connected with an air outlet of a purification device, the air inlet of the purification device is arranged outdoors, a heat medium inlet of the heat exchanger is connected with indoors, and a heat medium outlet of the heat exchanger is connected with an air inlet of an evaporator air inlet flow guide device.
The invention relates to a room source heat pump air conditioning system, which comprises a loop and an evaporator air outlet flow guide device, wherein the loop is formed by sequentially connecting an evaporator, a compressor, a condenser and an expansion valve in series, the evaporator air outlet flow guide device is connected with an air inlet of the evaporator air outlet flow guide device, an air outlet of the evaporator air outlet flow guide device is arranged outdoors, and the evaporator is arranged indoors.
The invention relates to a room source heat pump air conditioning system, wherein an air inlet of a condenser is connected with a condenser air inlet flow director, the air inlet of the condenser air inlet flow director is connected with an air outlet of a heat exchanger, the air inlet of the heat exchanger is connected with an air outlet of a purification device, the air inlet of the purification device is arranged outdoors, the air inlet of an evaporator is connected with an evaporator air inlet flow director, the air inlet of the evaporator air inlet flow director is connected with a heat medium outlet of the heat exchanger, and a heat medium inlet of the heat exchanger is connected with indoors.
The indoor source heat pump air conditioning system conveys indoor sources to the evaporator, realizes indoor circulating heating, ensures normal heating at low temperature in winter, and simultaneously fully utilizes the indoor sources to realize effective energy conservation.
The room source heat pump air conditioning system of the present invention will be further described with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an evaporator installed outdoors in a room source heat pump air conditioning system according to the present invention;
FIG. 2 is a schematic diagram of the operation of the room source heat pump air conditioning system of the present invention with the evaporator installed outdoors and including a fresh air heat exchange system;
FIG. 3 is a schematic view of the evaporator of the room source heat pump air conditioning system of the present invention installed indoors;
fig. 4 is a schematic working diagram of the evaporator of the room source heat pump air conditioning system of the present invention installed indoors and including a fresh air heat exchange system.
Detailed Description
In the first embodiment, as shown in fig. 1, the room source heat pump air conditioning system of the present invention includes a heating medium loop formed by sequentially connecting an evaporator 1, a compressor 2, a condenser 3, and an expansion valve 4 in series, where the evaporator 1 is disposed outdoors, an air inlet of the evaporator 1 is connected to an air outlet of an evaporator air inlet flow guide 5, and an air inlet of the evaporator air inlet flow guide 5 is disposed at an upper portion of the indoor, so that room source heat at an upper portion of an indoor space can be effectively utilized. The evaporator 1 absorbs the indoor heat of indoor air through the evaporator air inlet flow guide device 5, then the heat transfer medium in the evaporator 1 is evaporated, the heat transfer medium steam passes through the compressor 2, the pressure and the temperature rise to form high-temperature high-pressure steam, the heat is released to a room needing to be heated through the condenser 3, the cooled heat transfer medium steam forms liquid in the condenser 3, the liquid returns to the evaporator 1 through the expansion valve 4, then the evaporator 1 absorbs the indoor heat of indoor air through the evaporator air inlet flow guide device 5, the absorbed heat enters the heating medium loop again, and the circulation is repeated so as to achieve the purpose of continuously heating the indoor air. The low-temperature indoor air after heat exchange in the evaporator 1 is discharged to the outside through the air outlet of the evaporator 1. Because the indoor source temperature is high, the evaporator 1 directly absorbs the indoor source heat of the indoor air, and the evaporator 1 installed outdoors can be effectively prevented from being frozen to influence the normal operation.
The room source heat pump air conditioning system solves the problem that the evaporator is easy to freeze in winter at low temperature, simultaneously makes full use of indoor room source heat, reduces waste of the room source heat, and realizes normal heating and effective energy conservation in winter at low temperature.
In the second embodiment, as shown in fig. 2, on the basis of the first embodiment, the room source heat pump air conditioning system further includes a heat exchanger 6 and a purification device 7, the air inlet of the condenser 3 is further connected with a condenser air inlet flow guide 9, the air inlet of the condenser air inlet flow guide 9 is connected with the air outlet 64 of the heat exchanger 6, the air inlet 63 of the heat exchanger 6 is connected with the air outlet of the purification device 7, the air inlet of the purification device 7 is arranged outdoors, the heat medium inlet 61 of the heat exchanger 6 is arranged at the upper part of the room, so that the heat quantity of the room source at the upper part of the room can be effectively utilized, and the heat medium outlet 62 of the heat exchanger 6 is. Indoor air enters the heat exchanger 6 through the air inlet 61 of the heat exchanger 6, outdoor air is purified into clean air through the purifying device 7 and then enters the heat exchanger 6, the clean air and the indoor air in the heat exchanger 6 complete heat exchange, the clean air absorbing heat enters the air channel leading to the condenser air inlet flow guide 9 through the air outlet 64 of the heat exchanger 6, then the clean air further absorbs heat in the condenser 3 and enters the room through the air outlet of the condenser 3, and heat and clean air are provided for the room. The indoor air after heat release in the heat exchanger 6 enters the air duct leading to the evaporator air inlet flow guide device 5 through the heat medium outlet 62 of the heat exchanger 6, the residual heat of the indoor air is transmitted to the heat transfer medium in the evaporator 1 and then directly discharged to the outdoor through the air outlet of the evaporator 1, and the residual heat of the indoor air is transmitted to the indoor through the heating medium loop for heating. The utilization of the waste heat of the indoor air ensures that the evaporator 1 arranged outdoors cannot be frozen and the like due to too low air temperature, and ensures the normal operation of the heating medium loop. The purification device 7 and the heat exchanger 6 can be placed indoors or outdoors and can be selected according to the circumstances.
The room source heat pump air conditioning system can be used for agricultural planting greenhouses, livestock farms and the like, because the agricultural planting greenhouses and the livestock farms need heating and a large amount of ventilation to meet the growth requirements of indoor animals and plants, the currently generally adopted measures are to reduce the concentration of indoor CO2 and the like by opening windows for ventilation or opening an air outlet machine for air outlet, the heat loss is caused by air outlet for each ventilation, and the production cost is increased.
In the third embodiment, as shown in fig. 3, the room source heat pump air conditioning system of the present invention includes a heating medium loop formed by sequentially connecting an evaporator 1, a compressor 2, a condenser 3, and an expansion valve 4 in series, wherein the evaporator 1 is disposed at an upper portion of a room, an air outlet of the evaporator 1 is connected to an evaporator air outlet flow guide 8, and an air outlet of the evaporator air outlet flow guide 8 is disposed outdoors. The evaporator 1 is arranged at the upper part of the room, can effectively absorb the heat of the air above the room, and realizes indoor heating through a heating medium loop, and the working principle is as described in the first embodiment, which is not described herein. The low-temperature gas discharged from the evaporator 1 is discharged to the outside through the evaporator air outlet flow guide device 8.
The room source heat pump air conditioning system solves the problem that the evaporator is easy to freeze in winter at low temperature, simultaneously makes full use of indoor room sources, reduces the waste of room source heat, and realizes normal heating and effective energy conservation in winter at low temperature.
In the fourth embodiment, as shown in fig. 4, on the basis of the third embodiment, the room source heat pump air conditioning system further includes a heat exchanger 6 and a purification device 7, an air inlet of the evaporator 1 is connected with an evaporator air inlet flow guide device 5 ', an air inlet of the condenser 3 is connected with a condenser air inlet flow guide device 9 ', an air inlet of the condenser air inlet flow guide device 9 ' is connected with an air outlet 64 of the heat exchanger 6, an air inlet 63 of the heat exchanger 6 is connected with an air outlet of the purification device 7, an air inlet of the purification device 7 is arranged outdoors, a heat medium inlet 61 of the heat exchanger 6 is arranged above the indoor space, and a heat medium outlet 62 of the heat exchanger 6 is connected with an air inlet of. The purification device 7 and the heat exchanger 6 can be placed indoors or outdoors and can be selected according to the circumstances. The working principle of the room source heat pump air conditioning system of the invention is the same as that of the second embodiment, and details are not described here.
The room source heat pump air conditioning system can effectively reduce the loss of a large amount of indoor room source heat generated by ventilation, can ensure the circulation of indoor clean air, and realizes the low-energy-consumption clean ventilation and heating of the agricultural greenhouse.
The above-mentioned embodiments are merely illustrative of the preferred embodiments of the present invention, and do not limit the scope of the present invention, and various modifications and improvements of the technical solution of the present invention by those skilled in the art should fall within the protection scope defined by the claims of the present invention without departing from the spirit of the present invention.

Claims (4)

1. The utility model provides a room source heat pump air conditioning system, includes by evaporimeter (1), compressor (2), condenser (3) and expansion valve (4) in proper order concatenate the return circuit of constituteing together, evaporimeter (1) are located outdoors, its characterized in that: the air inlet flow guide device is characterized by further comprising an evaporator air inlet flow guide device (5), wherein the air inlet of the evaporator air inlet flow guide device (5) is arranged indoors, and the air outlet of the evaporator air inlet flow guide device (5) is connected with the air inlet of the evaporator (1).
2. The room-source heat pump air conditioning system according to claim 1, wherein: the air intake of condenser (3) even has condenser air inlet divertor (9), the air intake of condenser air inlet divertor (9) with air outlet (64) of heat exchanger (6) link to each other, air intake (63) of heat exchanger (6) link to each other with the air outlet of purifier (7), the air intake of purifier (7) is located outdoors, heat medium import (61) and the indoor continuous of heat exchanger (6), the heat medium export (62) of heat exchanger (6) with the air intake of evaporimeter air inlet divertor (5) links to each other.
3. The utility model provides a room source heat pump air conditioning system, includes by evaporimeter (1), compressor (2), condenser (3) and expansion valve (4) in proper order concatenate the return circuit of constituteing together, its characterized in that: the air conditioner is characterized by further comprising an evaporator air outlet fluid director (8), wherein an air inlet of the evaporator air outlet fluid director (8) is connected with an air outlet of the evaporator (1), an air outlet of the evaporator air outlet fluid director (8) is arranged outdoors, and the evaporator (1) is arranged indoors.
4. The room-source heat pump air conditioning system according to claim 3, wherein: the air intake connection of condenser (3) has condenser air inlet divertor (9 '), the air intake of condenser air inlet divertor (9') with air outlet (64) of heat exchanger (6) link to each other, air intake (63) of heat exchanger (6) link to each other with the air outlet of purifier (7), the air intake of purifier (7) is located outdoors, the air intake of evaporimeter (1) even has evaporimeter air inlet divertor (5 '), the air intake of evaporimeter air inlet divertor (5') with heat medium export (62) of heat exchanger (6) link to each other, heat medium import (61) of heat exchanger (6) and indoor continuous.
CN202010003801.9A 2020-01-03 2020-01-03 Room source heat pump air conditioning system Pending CN111076329A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010003801.9A CN111076329A (en) 2020-01-03 2020-01-03 Room source heat pump air conditioning system

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Application Number Priority Date Filing Date Title
CN202010003801.9A CN111076329A (en) 2020-01-03 2020-01-03 Room source heat pump air conditioning system

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114638A1 (en) * 2020-09-27 2022-04-01 Calopor Device for heat recovery and air treatment in livestock buildings

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021346A (en) * 2007-03-21 2007-08-22 劳特斯空调(江苏)有限公司 Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system
CN201463135U (en) * 2009-06-10 2010-05-12 中国建筑上海设计研究院有限公司 Heat pump energy saving full heat exchanger
CN201866865U (en) * 2010-11-23 2011-06-15 北京九格节能技术有限公司 Heat pump type fresh air ventilation air-conditioning unit
CN208186902U (en) * 2018-02-05 2018-12-04 徐生恒 Round-the-clock air energy thermal pump air conditioner system
CN211695245U (en) * 2020-01-03 2020-10-16 徐生恒 Room source heat pump air conditioning system

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101021346A (en) * 2007-03-21 2007-08-22 劳特斯空调(江苏)有限公司 Air source heat pump air conditioner heat recovery total-fresh air processing method and the air conditioner system
CN201463135U (en) * 2009-06-10 2010-05-12 中国建筑上海设计研究院有限公司 Heat pump energy saving full heat exchanger
CN201866865U (en) * 2010-11-23 2011-06-15 北京九格节能技术有限公司 Heat pump type fresh air ventilation air-conditioning unit
CN208186902U (en) * 2018-02-05 2018-12-04 徐生恒 Round-the-clock air energy thermal pump air conditioner system
CN211695245U (en) * 2020-01-03 2020-10-16 徐生恒 Room source heat pump air conditioning system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3114638A1 (en) * 2020-09-27 2022-04-01 Calopor Device for heat recovery and air treatment in livestock buildings

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Effective date of registration: 20201124

Address after: 100093, Beijing, Haidian District apricot Road No. 102

Applicant after: Ruicheng Technology Development Group Ltd.

Address before: 100093, Beijing, Haidian District apricot Road No. 102

Applicant before: Xu Shengheng