CN105276736A - Heat pump type total heat recovery new-air air conditioning unit with condensation reheating function - Google Patents

Heat pump type total heat recovery new-air air conditioning unit with condensation reheating function Download PDF

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Publication number
CN105276736A
CN105276736A CN201510826610.1A CN201510826610A CN105276736A CN 105276736 A CN105276736 A CN 105276736A CN 201510826610 A CN201510826610 A CN 201510826610A CN 105276736 A CN105276736 A CN 105276736A
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CN
China
Prior art keywords
air
unicom
exhaust
supply
heat
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Granted
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CN201510826610.1A
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Chinese (zh)
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CN105276736B (en
Inventor
俞越
张春路
曹祥
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NANTONG HUAXIN CENTRAL AIR CONDITIONING CO Ltd
Tongji University
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NANTONG HUAXIN CENTRAL AIR CONDITIONING CO Ltd
Tongji University
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Priority to CN201510826610.1A priority Critical patent/CN105276736B/en
Publication of CN105276736A publication Critical patent/CN105276736A/en
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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
    • F24F5/0007Air-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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F12/00Use of energy recovery systems in air conditioning, ventilation or screening
    • F24F12/001Use of energy recovery systems in air conditioning, ventilation or screening with heat-exchange between supplied and exhausted air
    • 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
    • F24F13/22Means for preventing condensation or evacuating condensate
    • F24F13/222Means for preventing condensation or evacuating condensate for evacuating condensate
    • 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
    • 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
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier
    • Y02P80/15On-site combined power, heat or cool generation or distribution, e.g. combined heat and power [CHP] supply

Abstract

The invention provides a heat pump type total heat recovery new-air air conditioning unit with the condensation reheating function. The heat pump type total heat recovery new-air air conditioning unit comprises a compressor, a four-way reversing valve, an air supply heat exchanger, an air exhaust heat exchanger, a throttling device, a reheater, a flow regulating valve, a refrigerant connecting pipe, a new air opening, an air supply draught fan, an air exhaust draught fan, a humidifier, an air supply opening, an air return opening, an air exhaust opening, a water pump, a three-way reversing valve, an air pipe and a water pipe. An air supply channel and an air exhaust channel are arranged on the air conditioning unit, the air supply channel starts from the new air opening and ends at the air supply opening, the air exhaust channel starts from the air return opening and ends at the air exhaust opening, and the air supply channel and the air exhaust channel are communicated not through the air pipe. According to the air conditioning unit, extremely high refrigeration and heating efficiency is achieved by means of completely recovering exhausted air sensible heat and evaporator condensate water, meanwhile, the air supply temperature of the refrigeration condition and the dehumidification condition is guaranteed through condensation reheating, the energy-saving effect of the total heat recovery unit is remarkable, and the simulation result shows that the refrigeration COP in summer can reach 3.0, and the heating COP in winter can reach 4.0.

Description

A kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating
technical field:
The present invention relates to air-conditioner set, particularly relate to a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating.
background technology:
Along with people improve constantly the requirement of indoor air quality, the use of fresh air handining unit is more and more extensive.Fresh air handining unit is a kind of effective air cleaning facility, on the one hand outside the air discharge chamber of foul indoor, on the other hand outdoor ozone after filtration and heat and wet treatment, then be input to indoor.If but do not adopt air-to-air energy recovery technology, the heat and wet treatment of new wind will consume a large amount of energy.
New wind-heat recovery technology common at present comprises board-like full heat recovery device, rotary-type heat reclamation device, heat pipe-type heat reclamation device, middle thermal medium type heat reclamation device.But all there is different technical bottlenecks in above-mentioned technology, such as, easily rot after board-like full heat recovery device water suction, rotary-type heat reclamation device can cause new wind to pollute, heat pipe-type heat reclamation device and middle thermal medium type heat reclamation device can only reclaim sensible heat and organic efficiency is low.
The plurality of advantages such as to have heat recovery efficiency high because of it for the heat-pump-type heat reclamation device of rising in recent years, adapts to temperature range large, easy to use, very popular.But traditional heat-pump-type heat reclamation device can only reclaim sensible heat owing to not having mass transport process, and too low at plum rain season wind pushing temperature, makes people not feel well.
The present invention is the improvement to conventional heat pump heat reclamation device, and by reclaiming the condensed water that evaporimeter produces, summer reduces condensation temperature, improves unit efficiency; Winter carries out humidification to new wind, improves indoor comfort degree.In addition, the present invention, with condensation reheating function, can ensure comfortable wind pushing temperature while increase dehumidifying effect.The temperature humidity that all can realize under various environmental conditions blowing controls.
summary of the invention:
In order to solve the problem, the invention provides and a kind ofly reclaim sensible heat in air draft and latent heat by heat pump techniques, reducing the consumption of new wind-heat procedure for wet processing electric energy and water, ensure by condensation reheating the technical scheme that wind pushing temperature is constant simultaneously:
A kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating, comprise compressor, four-way change-over valve, air-supply heat exchanger, air exhaust heat exchange device, throttling arrangement, reheater, flow control valve, connecting refrigerant lines, fresh wind port, breeze fan, exhaust fan, humidifier, air outlet, return air inlet, exhaust outlet, water pump, three-way diverter valve, airduct and water pipe, air-conditioner set is provided with air-supply passage and air exhaust passage, air-supply passage originates in fresh wind port, end at air outlet, air exhaust passage, originate in return air inlet, end at exhaust outlet, air-supply passage and air exhaust passage be not by airduct UNICOM.The exhaust outlet of compressor is by connecting refrigerant lines and flow control valve and four-way change-over valve UNICOM, and the air entry of compressor is by connecting refrigerant lines and four-way change-over valve UNICOM.Four-way change-over valve by air entry and the exhaust outlet of connecting refrigerant lines and compressor, blow heat exchanger and air exhaust heat exchange device UNICOM.Air-supply heat exchanger is provided with coolant channel and air duct, and air-supply exchanger base has solidifying water pond, air-supply heat exchanger refrigerant pass is by connecting refrigerant lines and four-way change-over valve and throttling arrangement UNICOM, the air duct of air-supply heat exchanger by airduct and breeze fan and reheater UNICOM, the solidifying water pond of air-supply heat exchanger passes through water pipe, three-way diverter valve and water pump UNICOM.Air exhaust heat exchange device is provided with coolant channel and air duct, solidifying water pond is had bottom air exhaust heat exchange device, air exhaust heat exchange device coolant channel is by connecting refrigerant lines and four-way change-over valve and throttling arrangement UNICOM, air exhaust heat exchange device air duct by airduct and exhaust fan and humidifier UNICOM, the solidifying water pond of air exhaust heat exchange device by water pipe, three-way diverter valve and water pump UNICOM.
As preferably, throttling arrangement can be capillary, short tube, heating power expansion valve or electric expansion valve, by connecting refrigerant lines and air-supply heat exchanger, and air exhaust heat exchange device and reheater UNICOM.
As preferably, reheater is provided with coolant channel and air duct, and reheater coolant channel is by connecting refrigerant lines and flow control valve and throttling arrangement and exhaust outlet of compressor UNICOM.
As preferably, humidifier is arranged on air-supply passage, between reheater and air outlet, by the solidifying water pond UNICOM of water pipe and water pump and air exhaust heat exchange device, another humidifier is on air exhaust passage, between return air inlet and air exhaust heat exchange device, by water pipe, the solidifying water pond UNICOM of water pump and three-way diverter valve and air-supply heat exchanger.
As preferably, there is refrigeration in air-conditioner set, heat and dehumidify three kinds of operating modes.
Beneficial effect of the present invention is:
(1) air-conditioner set of the present invention is by reclaiming air draft sensible heat and evaporator condensation water completely, obtain high cooling and warming efficiency, ensure cooling condition and the wind pushing temperature except wet cooling condition by condensation reheating simultaneously, the energy-saving effect of total heat recovery unit is remarkable, simulation result shows, the present invention can reach 3.0 at cooling in summer COP, and winter heating COP can reach 4.0.
(2) present device is not easy frosting under heating condition in the winter time, and still can efficiently heat under the operating mode that environment temperature is extremely low.
(3) present device can to dehumidify heat treatment again to new wind at plum rain season, ensures indoor environment comfort level.
accompanying drawing illustrates:
Fig. 1 is the schematic flow sheet of embodiment 1.
Fig. 2 is the schematic flow sheet of embodiment 2.
detailed description of the invention:
For making goal of the invention of the present invention, technical scheme and advantage clearly, below in conjunction with accompanying drawing, embodiments of the present invention are described in further detail.
The present invention devises a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating, comprise compressor 1, four-way change-over valve 2, air-supply heat exchanger 3, air exhaust heat exchange device 4, throttling arrangement 5, reheater 6, flow control valve 7, connecting refrigerant lines 8, fresh wind port 9, breeze fan 10, exhaust fan 11, humidifier 12, air outlet 13, return air inlet 14, exhaust outlet 15, water pump 16, three-way diverter valve 17, airduct 18 and water pipe 19, air-conditioner set is provided with air-supply passage and air exhaust passage, air-supply passage originates in fresh wind port 9, end at air outlet 13, air exhaust passage originates in return air inlet 14, end at exhaust outlet 15, air-supply passage and air exhaust passage be not by airduct 18 UNICOM.The exhaust outlet of compressor 1 is by connecting refrigerant lines 8 and flow control valve 7 and four-way change-over valve 2 UNICOM, and the air entry of compressor 1 is by connecting refrigerant lines 8 and four-way change-over valve 2 conducting.Four-way change-over valve 2 by air entry and the exhaust outlet of connecting refrigerant lines 8 and compressor 1, blow heat exchanger 3 and air exhaust heat exchange device 4 UNICOM.Air-supply heat exchanger 3 is provided with coolant channel and air duct, and have solidifying water pond bottom air-supply heat exchanger 3, air-supply heat exchanger 3 coolant channel is by connecting refrigerant lines 8 and four-way change-over valve 2 and throttling arrangement 5 UNICOM, the air duct of air-supply heat exchanger 3 is by airduct 18 and breeze fan 10 and reheater 6 UNICOM, the solidifying water pond of air-supply heat exchanger 3 passes through water pipe 19, three-way diverter valve 17 and water pump 16 UNICOM.Air exhaust heat exchange device 4 is provided with coolant channel and air duct, solidifying water pond is had bottom air exhaust heat exchange device 4, air exhaust heat exchange device 4 coolant channel is by connecting refrigerant lines 8 and four-way change-over valve 2 and throttling arrangement 5 UNICOM, air exhaust heat exchange device 4 air duct is by airduct 18 and exhaust fan 11 and humidifier 12 UNICOM, the solidifying water pond of air exhaust heat exchange device 4 passes through water pipe 19, three-way diverter valve 17 and water pump 16 UNICOM.
Throttling arrangement 5 wherein can be capillary, short tube, heating power expansion valve or electric expansion valve, by connecting refrigerant lines 8 and air-supply heat exchanger 3, and air exhaust heat exchange device 4 and reheater 6 UNICOM.And reheater 6 is provided with coolant channel and air duct, reheater 6 coolant channel is by connecting refrigerant lines 8 and flow control valve 7 and throttling arrangement 5 and compressor 1 exhaust outlet UNICOM.
Simultaneously, humidifier 12 is arranged on air-supply passage, between reheater 6 and air outlet 13, by water pipe 19 and the water pump 16 solidifying water pond UNICOM with air exhaust heat exchange device 4, another humidifier 12 is on air exhaust passage, between return air inlet 14 and air exhaust heat exchange device 4, by water pipe 19, the solidifying water pond UNICOM of water pump 16 and three-way diverter valve 17 and air-supply heat exchanger 3.
Embodiment 1
There is refrigeration in a kind of full heat recovery fresh air machine with condensation reheating, heat and dehumidify three kinds of operating modes, and its specific works flow process is as follows.
Under cooling condition, air-supply heat exchanger 3 is as evaporimeter, and air exhaust heat exchange device 5 is as condenser, four-way change-over valve 2 makes connecting refrigerant lines 8 UNICOM, flow control valve 7 cuts out, and a humidifier 12 and its supporting water pump 16 are opened, and another humidifier 12 and its supporting water pump 16 are closed.Refrigerant circulation: compressor 1 → four-way change-over valve 2 → air exhaust heat exchange device 6 → throttling arrangement 5 → air-supply heat exchanger 3 → four-way change-over valve 2 → connecting refrigerant lines 8 → compressor 1.After fresh air is inhaled into from fresh wind port 9, through airduct 18, breeze fan 10 enters the cooled dehumidifying of air-supply heat exchanger 3, sends into room or other airhandling equipments finally by air outlet 13.After indoor exhaust wind is inhaled into from return air inlet 14, send into humidifier 12 humidification through airduct 18, then enter air exhaust heat exchange device 5 absorption refrigeration agent condensation heat through airduct 18, discharge finally by exhaust fan 11 to exhaust outlet 15.Air-supply heat exchanger 3 coagulates condensed water in water pond through water pipe 19, and humidifier 12 sent into by water pump 16, for improving air draft relative humidity, reducing refrigeration system condensation temperature, improving system effectiveness.
Under heating condition, air-supply heat exchanger 3 is as condenser, air exhaust heat exchange device 5 is as evaporimeter, four-way change-over valve 2 makes adjacent connecting refrigerant lines 8 UNICOM, flow control valve 7 cuts out, wherein one group of humidifier 12 and its corresponding water pump 16 are opened, and another group humidifier 12 and its corresponding water pump 16 are closed.Refrigerant circulation: compressor 1 → four-way change-over valve 2 → air-supply heat exchanger 3 → throttling arrangement 5 → air exhaust heat exchange device 6 → four-way change-over valve 2 → compressor 1.After fresh air is inhaled into from fresh wind port 9, enters air-supply heat exchanger 3 through breeze fan 10 and heated, send into humidifier 12 humidification through airduct, send into room or other airhandling equipments finally by air outlet 13.After indoor exhaust wind is inhaled into from return air inlet 14, sends into the cooling of air exhaust heat exchange device 6 through airduct and analyse wet, discharge from exhaust outlet 15 finally by exhaust fan 11.Condensed water in the solidifying water pond of air exhaust heat exchange device 6 flows through water pump 16 through water pipe 19 and sends into humidifier 12, adds wet process for new wind.
Except wet cooling condition is on the basis of cooling condition, turn-on flow rate control valve 7.New wind after cooled dehumidifying, improves dry-bulb temperature through reheater 6 in air-supply heat exchanger 3, ensures air-supply comfort level.Except wet cooling condition is applicable to spring and autumn, proper temperature but the larger weather condition of humidity.
Embodiment 2
A kind of full heat recovery fresh air machine (single water pump) with condensation reheating, structure and flow process are as shown in Figure 2.On the basis of embodiment 1, decrease water pump 16, add three-way diverter valve 17 and some water pipes 19.Under three kinds of operating modes, kind of refrigeration cycle and air flow circuit are all identical with embodiment 1, and condensed water stream has done following change: at cooling condition, except under wet cooling condition or heating condition, water pump 16 runs, and three-way diverter valve 17 makes part water pipe UNICOM.
All parts in not complete displaying refrigerant circulation and air channel in above-described embodiment, in implementation process, select different cold-producing medium, at refrigerant loop, four-way change-over valve is set, high-pressure reservoir, gas-liquid separator, oil is separated, filter, the common refrigeration auxiliary such as drier, at water pipe, filter is set, the water treatment annexes such as sterilizing unit, in air channel, filter is set, silencer, auxiliary humidification device, auxiliary heater, the air-treatment annexes such as sterilizing unit, select different blow spray nozzles and return air grid, change blower fan position, or the spirit not departing from technical solution of the present invention increases heat exchanger, blower fan and air-valve etc., all can not be considered as invention has been substantial improvements, scope should be belonged to.
Above-described embodiment is preferred embodiment of the present invention; it is not the restriction to technical solution of the present invention; as long as without the technical scheme that creative work can realize on the basis of above-described embodiment, all should be considered as falling within the scope of the rights protection of patent of the present invention.

Claims (5)

1. the heat pump type total heat recovering fresh air air-conditioner set with condensation reheating, it is characterized in that: comprise compressor, four-way change-over valve, air-supply heat exchanger, air exhaust heat exchange device, throttling arrangement, reheater, flow control valve, connecting refrigerant lines, fresh wind port, breeze fan, exhaust fan, humidifier, air outlet, return air inlet, exhaust outlet, water pump, three-way diverter valve, airduct and water pipe, described air-conditioner set is provided with air-supply passage and air exhaust passage, described air-supply passage originates in fresh wind port, end at air outlet, described air exhaust passage, originate in return air inlet, end at exhaust outlet, described air-supply passage and air exhaust passage be not by the direct UNICOM of airduct,
The exhaust outlet of described compressor is by connecting refrigerant lines and flow control valve and four-way change-over valve UNICOM, and the air entry of compressor is by connecting refrigerant lines and four-way change-over valve UNICOM;
Described four-way change-over valve by air entry and the exhaust outlet of connecting refrigerant lines and compressor, blow heat exchanger and air exhaust heat exchange device UNICOM;
Described air-supply heat exchanger is provided with coolant channel and air duct, and air-supply exchanger base has solidifying water pond, described air-supply heat exchanger refrigerant pass is by connecting refrigerant lines and four-way change-over valve and throttling arrangement UNICOM, the air duct of described air-supply heat exchanger is by airduct and breeze fan and reheater UNICOM, the solidifying water pond of described air-supply heat exchanger passes through water pipe, three-way diverter valve and water pump UNICOM;
Described air exhaust heat exchange device is provided with coolant channel and air duct, solidifying water pond is had bottom air exhaust heat exchange device, described air exhaust heat exchange device coolant channel is by connecting refrigerant lines and four-way change-over valve and throttling arrangement UNICOM, described air exhaust heat exchange device air duct is by airduct and exhaust fan and humidifier UNICOM, the solidifying water pond of described air exhaust heat exchange device passes through water pipe, three-way diverter valve and water pump UNICOM.
2. a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating according to claim 1, it is characterized in that: described throttling arrangement can be capillary, short tube, heating power expansion valve or electric expansion valve, by connecting refrigerant lines and air-supply heat exchanger, air exhaust heat exchange device and reheater UNICOM.
3. a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating according to claim 1, it is characterized in that: described reheater is provided with coolant channel and air duct, described reheater coolant channel is by connecting refrigerant lines and flow control valve and throttling arrangement and exhaust outlet of compressor UNICOM.
4. a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating according to claim 1, it is characterized in that: described humidifier is arranged on air-supply passage, between reheater and air outlet, by the solidifying water pond UNICOM of water pipe and water pump and air exhaust heat exchange device, another humidifier is on air exhaust passage, between return air inlet and air exhaust heat exchange device, by water pipe, the solidifying water pond UNICOM of water pump and three-way diverter valve and air-supply heat exchanger.
5. a kind of heat pump type total heat recovering fresh air air-conditioner set with condensation reheating according to claim 1, is characterized in that: described air-conditioner set exists refrigeration, and heat and dehumidify three kinds of operating modes.
CN201510826610.1A 2015-11-25 2015-11-25 A kind of heat pump type total heat recovering fresh air air-conditioner set of band condensation reheating Active CN105276736B (en)

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Cited By (5)

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CN105627479A (en) * 2016-03-18 2016-06-01 上海朗绿建筑科技有限公司 Single-evaporator multi-condenser fresh air dehumidification unit and air conditioning method
CN105716334A (en) * 2016-02-16 2016-06-29 同济大学 Subway train air conditioning unit with exhaust air subcooler
CN105953469A (en) * 2016-05-10 2016-09-21 南通华信中央空调有限公司 Heat pump type exhaust air heat recovery fresh air conditioning unit applicable to severe cold areas
CN108253554A (en) * 2017-12-15 2018-07-06 同济大学 It is a kind of to be subcooled plus mix the air-cooled new wind turbine of solidifying heat pump heat reclamation type using return air
CN109405332A (en) * 2018-10-10 2019-03-01 江苏天舒电器有限公司 A kind of Intelligent dehumidifying thermoregulating system for indoor spaces

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CN103398430A (en) * 2013-08-13 2013-11-20 朱军 Heat-pump-type fresh air handing unit for waste heat recovery
CN103727615A (en) * 2013-12-06 2014-04-16 靖江市宝钢空调设备厂 Evaporative condensation heat pump type total heat recovery fresh air unit
US20150308709A1 (en) * 2012-11-30 2015-10-29 Greenwood Air Management Limited Drain arrangement for heat recovery unit

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CN1526999A (en) * 2003-09-18 2004-09-08 上海交通大学 Indirectly evaporating cooling energy-saving air conditioning ventilation system
CN102338428A (en) * 2010-07-26 2012-02-01 珠海格力电器股份有限公司 Total-heat-recovery-type fresh air dehumidifier unit
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105716334A (en) * 2016-02-16 2016-06-29 同济大学 Subway train air conditioning unit with exhaust air subcooler
CN105716334B (en) * 2016-02-16 2018-06-26 同济大学 A kind of subway train air conditioning unit with air draft subcooler
CN105627479A (en) * 2016-03-18 2016-06-01 上海朗绿建筑科技有限公司 Single-evaporator multi-condenser fresh air dehumidification unit and air conditioning method
CN105953469A (en) * 2016-05-10 2016-09-21 南通华信中央空调有限公司 Heat pump type exhaust air heat recovery fresh air conditioning unit applicable to severe cold areas
CN108253554A (en) * 2017-12-15 2018-07-06 同济大学 It is a kind of to be subcooled plus mix the air-cooled new wind turbine of solidifying heat pump heat reclamation type using return air
CN109405332A (en) * 2018-10-10 2019-03-01 江苏天舒电器有限公司 A kind of Intelligent dehumidifying thermoregulating system for indoor spaces

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