CN102269451A - Heat pump heat recycling humidity balance fresh air unit and running method thereof - Google Patents

Heat pump heat recycling humidity balance fresh air unit and running method thereof Download PDF

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Publication number
CN102269451A
CN102269451A CN2011101975113A CN201110197511A CN102269451A CN 102269451 A CN102269451 A CN 102269451A CN 2011101975113 A CN2011101975113 A CN 2011101975113A CN 201110197511 A CN201110197511 A CN 201110197511A CN 102269451 A CN102269451 A CN 102269451A
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CN
China
Prior art keywords
air
condenser
heat
heat pump
passage
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CN2011101975113A
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Chinese (zh)
Inventor
张淑勇
孙生根
李明娜
晏磊
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上海克络蒂新能源科技有限公司
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Priority to CN2011101975113A priority Critical patent/CN102269451A/en
Publication of CN102269451A publication Critical patent/CN102269451A/en

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    • 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]
    • Y02B30/52Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency
    • 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]
    • Y02B30/56Heat recovery units

Abstract

The invention relates to a structure of a humidity balance fresh air unit and a running method for the humidity balance fresh air unit. In a heat pump heat recycling humidity balance fresh air unit, the inner space of a rectangular unit box body (1) is divided into left and right sides or upper and lower sides and a space and a partition plate are arranged between two sides; on one side of an air return passage (A) and an air discharge passage (B), air is supplied by an air return fan (3) from an indoor air return port (2), a compressor (4) is connected with a condenser (6) and is communicated with an air outlet (7); on one side of a fresh air passage (C) and an air supply passage (D), from an outdoor fresh air port (8) inward, one end of a condensation water pump (14) is connected with the condenser (6) one the other side, and is sequentially connected with a surface cooler (9), an evaporator (10) and a second condenser (11) inward, and an air supply fan (12) is arranged inward, and is communicated with the interior through an air port (13); and the partition plate is provided with an automatic air volume regulation valve (5). The invention provides the heat pump heat recycling humidity balance fresh air unit which is suitable for a temperature and humidity independent control air conditioning system, and can reduce temperature and remove humidity, raise temperature and performs humidification, remove dust by filtration, ensure that the dew is avoided on the radiation refrigeration surface, protect health and save energy.

Description

Wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus and operation method thereof
Technical field
The present invention relates to a kind of structure and operation method thereof of the wet new blower fan group that weighs, particularly relate to wet new blower fan group of a kind of weighing apparatus and operation method thereof in conjunction with the heat pump heat recovery technology.
Technical background
Radiant type air conditioning terminal system is according to a kind of air-conditioning end system form of bionics principle in the nineteen seventies invention.The main feature of this system has: high-comfort, quiet, do not have condense water disk, there is not the bacteria breed source; Stronger self-regulation balanced capacity; Do not have blowing feeling etc., help creating healthy indoor environment.
In the humiture independence control air conditioner system, adopt two to overlap independently that system controls and regulate indoor humidity and temperature respectively, thereby avoided the energy waste that the humiture Combined Treatment is brought in the conventional system and the reduction of air quality; Regulate humidity by new wind, the terminal temperature of regulating of sensible heat can satisfy the requirement that the room heat moisture ratio constantly changes, and has avoided the too high or too low phenomenon of indoor temperature and humidity.The main feature of this system has: high-comfort, quiet, do not have condense water disk, there is not the bacteria breed source; Stronger self-regulation balanced capacity; Do not have blowing feeling etc., help creating healthy indoor environment.The air conditioning mode of temperature and humidity independent process is being represented the developing direction of air-conditioning technical.
Because there is the problem of dewfall in radiation cooling, so the necessary VMC that is equipped with of radiant type air conditioning terminal system requirements building, humidity load in the decontamination chamber is improved air quality.Solution dehumidification is a working media with the solution with moisture pick-up properties, directly contact with air by solution, thereby realization is to the processing procedure of the dehumidifying (or humidification) of air.Liquid desiccant air conditioning can adopt low-temperature heat source to drive, and the existence and the solution on wet surface do not have filtration, bactericidal action again in solution dehumidifying air-conditioning system simultaneously.But solution dehumidification also exists, and cost is too high, unit is too huge, some solution has shortcomings such as corrosivity, has restricted its development.
The air-cooled new blower fan group of configuration can effectively be removed indoor humidity load separately, but it is low to exist refrigerating efficiency, and energy consumption is too high, and supply air temperature difference is big.If the increase electric heater section then can increase energy consumption again.
Tradition fresh air dehumidification unit working mechanism is as follows: new wind enters unit; New wind is by the preliminary cool-down dehumidification of heat exchanger; New wind is by the cold degree of depth cool-down dehumidification of external low-temperature receiver table; New wind is warming up to the human comfort temperature by electrical heating or other thermals source; New wind is delivered to indoor; Indoor return air is discharged outdoor by heat exchanger.Like this structure exists that the heat pump heat recovery efficiency is low, energy waste is big, condensed water reclaims the evaporative cooling weak effect, effect on moisture extraction is poor, systematic energy efficiency ratio is lower than 7.0.Therefore, be badly in need of in the market and can come out at the wet new blower fan group of heat pump recuperation of heat weighing apparatus that addresses the aforementioned drawbacks.
Summary of the invention
The object of the invention: the present invention is in order to solve at present in the deficiencies in the prior art aspect the new wind processing, the wet new blower fan group of heat pump recuperation of heat weighing apparatus of a kind of efficient energy-saving, comfort level height, health and compact conformation is provided, the present invention can be applied to capillary radiation formula air conditioning terminal system, also can be widely used in being provided with separately the place that new wind is handled.
Technical scheme: heat pump recuperation of heat of the present invention weighing apparatus wet new blower fan group its objective is such realization:
The wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus, the unit casing that comprises rectangle, it is characterized in that: be divided into the left and right sides or both sides up and down in the unit casing, one side from indoor to outdoor return air channel and the air exhaust passage of being provided with, opposite side, is provided with between the both sides at interval and dividing plate to indoor new wind passage and the air-supply passage of being provided with from outdoor;
In return air channel and air exhaust passage one side, to blow by return fan from indoor return air inlet, compressor connects condenser, leads to exhaust outlet;
In new wind passage and air-supply passage one side, from outdoor fresh wind port inward, condensate pump one end is connected with the condenser of opposite side, and an end is connected with surface cooler, evaporimeter and second condenser inwards successively, and breeze fan is set inwards, leads to indoor through air outlet;
On dividing plate, be positioned at condenser and the condensate pump adjacent position is provided with the air quantity automatic regulating valve.
As optimization: described unit casing adopts the fiberglass material to make.
As optimization: in the formation of described new blower fan group, add dust removal by filtration, purification and/or humidification assembly.
As optimization: be equipped with volume damper at described return air inlet, exhaust outlet, fresh wind port and air outlet.
As optimization: described surface cooler connects low-temperature cold water.
The operation method of the wet new blower fan group of a kind of heat pump recuperation of heat weighing apparatus is characterized in that:
Described surface cooler utilizes chilled water to bear the new wind load of 50%-60%;
Described evaporimeter utilizes low-temperature coil that new wind is carried out freeze drying:
Described fresh wind port is provided with automatic volume damper, with the acting in conjunction of air quantity automatic regulating valve, according to return air humiture self regulating valve door aperture, controls the ratio of new wind and return air.
Described condenser is positioned at air exhaust passage, utilizes return air to cool off, and described second condenser is positioned at air-supply passage, air-supply is reheated to set the human comfort leaving air temp;
Described compressor is controlled the condensing pressure of second condenser automatically according to the demand of the heat of blowing again, and distributes the refrigerant flow of the condenser and second condenser;
Described condensed water is delivered to condenser evaporative cooling through water pump.
As optimization: its surface cooler utilizes chilled water to bear the new wind load of 50%-60%, but does not bear humidity load.
As optimization: its evaporimeter utilizes low-temperature coil that new wind is carried out freeze drying, makes the humidity of air satisfy indoor requirement fully.
As optimization: its fresh wind port is provided with automatic volume damper, and with the acting in conjunction of air quantity automatic regulating valve, according to the temperature and humidity of outdoor air, self regulating valve door aperture is controlled the ratio of new wind and return air.
As optimization: its condenser is positioned at air exhaust passage, and second condenser is positioned at air-supply passage; Condenser utilizes return air to cool off, and improves refrigerating efficiency, and second condenser is reheated to the setting leaving air temp to air-supply, avoid wind pushing temperature low excessively cause uncomfortable.
As optimization: its compressor module is according to the demand of the heat of blowing the again condensing pressure of control second condenser automatically, and the refrigerant flow of the reasonable distribution condenser and second condenser.
As optimization: its unit casing adopts fiberglass material to make, and is good and cheap, satisfies instructions for use.
As optimization: in the composition module of described new blower fan group, add dust removal by filtration, purification or humidification assembly.
As optimization: its return air inlet, exhaust outlet, air outlet are equipped with manual volume damper.Condensed water is delivered to condenser evaporative cooling through water pump.
The operation principle of this device is: outdoor hot humid air enters the wet new blower fan group of heat pump recuperation of heat weighing apparatus; Hot humid air removes through external refrigerated condensation water meter cooler (higher temperatures) cooling; Dehumidify through the straight swollen evaporimeter of cold-producing medium (low temperature) degree of depth; Hot again through condenser, temperature rises to 15-18 ℃ of human comfort temperature; New wind is sent into indoor; Indoor return air is delivered to casing; Indoor low temperature return air cooling evaporative condenser; Water pump causes evaporative condenser with cryogenic condensation water, evaporative cooling; High-temp waste gas is discharged outdoor.
Beneficial effect: the wet new blower fan group of heat pump recuperation of heat of the present invention weighing apparatus and the traditional prior art new blower fan group that dehumidifies is compared, and has the following advantages:
1. heat pump heat recovery efficiency height
Utilize the indoor return air of low temperature and low humidity to do the cooling air of evaporative condenser, the energy loss of avoiding replacement aeration to cause, temperature of outgoing air reaches 40 ℃, and heat recovery efficiency is than the board-like or high 60-80% of runner heat regenerator of tradition.
Condensation again thermal gauge keep away energy waste
Utilize condensation heat that new wind is reheated to the human comfort temperature, evade the loss of electrical heating homenergic.
3. condensed water reclaims evaporative cooling
Cause condenser evaporative cooling with the condensed water that fresh air dehumidification produces summer, reclaimed the cold of condensed water, makes cooling effect better.
4. degree of depth dehumidifying is guaranteed in the straight swollen evaporation dehumidifying of cold-producing medium
The new blower fan group of tradition dehumidifying is often introduced the chilled water of handpiece Water Chilling Units, temperature drift, and the cooling and dehumidifying deficiency, new blower fan group contains wet too high, causes the building condensation, and the cold-producing medium low-temperature evaporation has been evaded this problem.
5. systematic energy efficiency ratio is up to 7.0-8.0
Owing to combine the heat pump recuperation of heat, evaporation cooling technique is reclaimed in condensation heat, condensed water again, makes air-conditioning system Energy Efficiency Ratio that wet new blower fan group of heat pump recuperation of heat weighing apparatus and source pump form up to 7.0-8.0, be traditional fresh air conditioner system (2.0-3.0) 3-4 doubly.
6. compact conformation, volume is little
Because unit has been save the large volume heat exchanger, adopt unique box frame version, compact conformation is firm, has excellent mechanical intensity, and floor space is little.
The present invention utilizes the hot again skill of heat pump heat recovery technology, condensation, the wet new blower fan group of heat pump recuperation of heat weighing apparatus of a kind of efficient energy-saving, comfort level height, health and compact conformation is provided, be exactly reasonable cascade utilization energy specifically, obtained high accuracy, stable constant humidity control with less cost.
Description of drawings
Fig. 1 is the structural representation of the wet embodiment of new blower fan group of heat pump recuperation of heat weighing apparatus of the present invention.
Fig. 2 is the structural representation of prior art fresh air dehumidification unit.
Fig. 3 represents the air-conditioning technical developing direction, the mechanism figure that air-conditioning equipment, end equipment and indoor environmental condition control dispose mutually.
Among the figure, the 1st, unit casing, the 2nd, return air inlet, the 3rd, return air fan, the 4th, compressor, the 5th, air quantity automatic regulating valve, the 6th, condenser, the 7th, exhaust outlet, the 8th, fresh wind port, the 9th, surface cooler, the 10th, evaporimeter, 11 are second condensers, the 12nd, breeze fan, the 13rd, air outlet, the 14th, condensate pump, A are that return air channel, B are that air exhaust passage, C are that new wind passage, D are air-supply passages.
The specific embodiment
As shown in drawings, the wet new blower fan group of heat pump recuperation of heat weighing apparatus comprises unit casing 1, return air channel A, air exhaust passage B, new wind channel C, air-supply passage D, surface cooler 9, refrigeration system.Described refrigeration system comprises compressor module 4, evaporimeter 10 and condenser 6 and second condenser 11.Described return air channel A is provided with return air fan 3, return air inlet 2, and air exhaust passage B is provided with exhaust outlet 7, and new wind channel C is provided with fresh wind port 8, and air-supply passage D is provided with breeze fan 12, air outlet 13.
Described surface cooler 9 utilizes chilled water to bear most new wind load, but does not bear humidity load.
Described evaporimeter 10 utilizes low-temperature coil that new wind is carried out freeze drying, makes the humidity of air satisfy indoor requirement fully.
Described fresh wind port 8 is provided with automatic volume damper, and with 5 actings in conjunction of air quantity automatic regulating valve, according to the temperature and humidity of outdoor air, self regulating valve door aperture is controlled the ratio of new wind and return air.When outdoor enthalpy raise, the automatic volume damper of fresh wind port 8 turned down, but guaranteed the minimum fresh air requirmente greater than indoor needs, and volume damper 5 is opened greatly, guaranteed more return air and new wind blending.When outdoor enthalpy reduced, the automatic volume damper of fresh wind port 8 was opened greatly, and more new wind is provided, and can reduce the consumption of the energy.
Described condenser 6 is positioned at air exhaust passage B, and second condenser 11 is positioned at air-supply passage D; Condenser 6 utilizes return air to cool off, and improves refrigerating efficiency, and 11 pairs of air-supplies of second condenser are reheated to the setting leaving air temp, avoid wind pushing temperature low excessively cause uncomfortable.
Described compressor module 4 is according to the condensing pressure of the automatic control of demand second condenser 11 of the heat of blowing again, and the refrigerant flow of the reasonable distribution condenser 6 and second condenser 11.
Described unit casing 1 adopts the fiberglass material to make.
Described its return air channel A, air exhaust passage B, new wind channel C, air-supply passage D, surface cooler 9, refrigeration system are designed to module separately, can free amalgamation add functional sections such as purification, humidification.
Described its return air inlet 2, exhaust outlet 7, air outlet 13 are equipped with manual volume damper.Described air flow process is as described below: return air is behind return air fan 3, part cooler condenser 6, discharge outdoor then, a part is mixed with new wind through automatic flow control valve 5, then through the surface cooler cooling, through evaporimeter freeze drying, air themperature at this time is lower, if directly sending into indoor meeting causes personnel's discomfort, the effect of ensuing second condenser 11 is exactly that air is carried out heat again, accurately controls its temperature.So just obtained accurate air-supply Temperature and Humidity Control with less energy cost.

Claims (6)

1. the wet new blower fan group of heat pump recuperation of heat weighing apparatus, the unit casing (1) that comprises rectangle, it is characterized in that: be divided into the left and right sides or both sides up and down in the unit casing (1), one side from indoor to outdoor return air channel (A) and the air exhaust passage (B) of being provided with, opposite side, is provided with between the both sides at interval and dividing plate to indoor new wind passage (C) and the air-supply passage (D) of being provided with from outdoor;
In a return air channel (A) and air exhaust passage (B) side, by return fan (3) air-supply, compressor (4) connects condenser (6) from indoor return air inlet (2), leads to exhaust outlet (7);
In a new wind passage (C) and air-supply passage (D) side, from outdoor fresh wind port (8) inward, condensate pump (14) one ends are connected with the condenser (6) of opposite side, one end is connected with surface cooler (9), evaporimeter (10) and second condenser (11) inwards successively, breeze fan (12) is set inwards, leads to indoor through air outlet (13);
On dividing plate, be positioned at condenser (6) and condensate pump (14) adjacent position is provided with air quantity automatic regulating valve (5).
2. according to the wet new blower fan group of the described heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that described unit casing (1) adopts the fiberglass material to make.
3. according to the wet new blower fan group of the described heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that in the formation of described new blower fan group, adding dust removal by filtration, purification and/or humidification assembly.
4. according to the wet new blower fan group of the described heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that being equipped with volume damper at described return air inlet (2), exhaust outlet (7), fresh wind port (8) and air outlet (13).
5. according to the wet new blower fan group of the described heat pump recuperation of heat weighing apparatus of claim 1, it is characterized in that described surface cooler (9) connects low-temperature cold water.
6. operation method of the wet new blower fan group of heat pump recuperation of heat weighing apparatus according to claim 1 is characterized in that:
Described surface cooler (9) utilizes chilled water to bear the new wind load of 50%-60%;
Described evaporimeter (10) utilizes low-temperature coil that new wind is carried out freeze drying:
Described fresh wind port (8) is provided with automatic volume damper, with air quantity automatic regulating valve (5) acting in conjunction, according to return air humiture self regulating valve door aperture, controls the ratio of new wind and return air;
Described condenser (6) is positioned at air exhaust passage (B), utilizes return air to cool off, and described second condenser (11) is positioned at air-supply passage (D), air-supply is reheated to set the human comfort leaving air temp;
Described compressor (4) is controlled the condensing pressure of second condenser (11) automatically according to the demand of the heat of blowing again, and distributes the refrigerant flow of condenser (6) and second condenser (11);
Described condensed water is delivered to condenser (6) evaporative cooling through water pump (9).
CN2011101975113A 2011-08-18 2011-08-18 Heat pump heat recycling humidity balance fresh air unit and running method thereof CN102269451A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563825A (en) * 2011-12-26 2012-07-11 广东美的暖通设备有限公司 Fresh air heat exchange unit and control method of fresh air heat exchange unit
CN102620477A (en) * 2012-04-27 2012-08-01 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN102705909A (en) * 2012-06-08 2012-10-03 东莞市国祥空调设备有限公司 Constant temperature and constant humidity air-conditioning system for cinema machine room
CN103185391A (en) * 2013-04-03 2013-07-03 深圳市得益节能科技有限公司 Condensate water heat recovery system and central air conditioning system using same
CN104930620A (en) * 2015-07-15 2015-09-23 江苏格瑞力德空调制冷设备有限公司 Double-cold-source fresh air unit utilizing solution for heat dissipation
CN104976706A (en) * 2014-04-08 2015-10-14 上海诺佛尔建筑科技发展有限公司 Fresh air treatment device with secondary heat recovery function
CN106678986A (en) * 2017-02-28 2017-05-17 深圳沃海森科技有限公司 Fresh air machine capable of conducting dehumidification automatically
CN106765942A (en) * 2016-12-17 2017-05-31 佛山市罗伯特环境科技有限公司 Multifunctional novel blower fan control system and its control method
CN107270432A (en) * 2014-04-08 2017-10-20 上海诺佛尔生态科技股份有限公司 The method of work of the secondary recuperation of heat Fresh air handing device of central air conditioner system
CN111765608A (en) * 2020-06-24 2020-10-13 海信(山东)空调有限公司 Sterilizing control method for air conditioner

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202253992U (en) * 2011-07-14 2012-05-30 上海克络蒂新能源科技有限公司 Heat recovery constant humidity fresh air unit of heat pump

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202253992U (en) * 2011-07-14 2012-05-30 上海克络蒂新能源科技有限公司 Heat recovery constant humidity fresh air unit of heat pump

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102563825A (en) * 2011-12-26 2012-07-11 广东美的暖通设备有限公司 Fresh air heat exchange unit and control method of fresh air heat exchange unit
CN102620477A (en) * 2012-04-27 2012-08-01 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN102620477B (en) * 2012-04-27 2014-07-02 江苏高科应用科学研究所有限公司 Double-cold-source full fresh air heat pump dehumidification unit
CN102705909A (en) * 2012-06-08 2012-10-03 东莞市国祥空调设备有限公司 Constant temperature and constant humidity air-conditioning system for cinema machine room
CN103185391A (en) * 2013-04-03 2013-07-03 深圳市得益节能科技有限公司 Condensate water heat recovery system and central air conditioning system using same
CN107940627A (en) * 2014-04-08 2018-04-20 上海诺佛尔生态科技有限公司 The Fresh air handing device with secondary recuperation of heat for central air conditioner system
CN104976706A (en) * 2014-04-08 2015-10-14 上海诺佛尔建筑科技发展有限公司 Fresh air treatment device with secondary heat recovery function
CN104976706B (en) * 2014-04-08 2018-01-26 上海诺佛尔生态科技有限公司 Fresh air handing device with secondary recuperation of heat
CN107355917A (en) * 2014-04-08 2017-11-17 上海诺佛尔生态科技股份有限公司 A kind of secondary recuperation of heat Fresh air handing device of central air conditioner system
CN107270432A (en) * 2014-04-08 2017-10-20 上海诺佛尔生态科技股份有限公司 The method of work of the secondary recuperation of heat Fresh air handing device of central air conditioner system
CN107940628A (en) * 2014-04-08 2018-04-20 上海诺佛尔生态科技有限公司 A kind of Fresh air handing device of central air conditioner system, method of work
CN104930620A (en) * 2015-07-15 2015-09-23 江苏格瑞力德空调制冷设备有限公司 Double-cold-source fresh air unit utilizing solution for heat dissipation
CN106765942A (en) * 2016-12-17 2017-05-31 佛山市罗伯特环境科技有限公司 Multifunctional novel blower fan control system and its control method
CN106678986A (en) * 2017-02-28 2017-05-17 深圳沃海森科技有限公司 Fresh air machine capable of conducting dehumidification automatically
CN111765608A (en) * 2020-06-24 2020-10-13 海信(山东)空调有限公司 Sterilizing control method for air conditioner

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