CN202709344U - Ice storage heat pump coupling multistage total heat recovery fresh air processor - Google Patents
Ice storage heat pump coupling multistage total heat recovery fresh air processor Download PDFInfo
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- CN202709344U CN202709344U CN2012201367353U CN201220136735U CN202709344U CN 202709344 U CN202709344 U CN 202709344U CN 2012201367353 U CN2012201367353 U CN 2012201367353U CN 201220136735 U CN201220136735 U CN 201220136735U CN 202709344 U CN202709344 U CN 202709344U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/52—Heat 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
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
Abstract
The utility model provides an ice storage heat pump coupling multistage total heat recovery fresh air processor and belongs to energy utilization technology and air conditioning field. The ice storage heat pump coupling multistage total heat recovery fresh air processor is composed of an air exhaust part, a fresh air disposal part, a total heat recoverer and a heat pump system. The heat pump system comprises a compressor, a condenser, a condensation heat recoverer, a vaporizer and an expansion valve. In summer, indoor low temperature and low humidity exhaust air is utilized to exhaust condensation heat of a refrigerating system. In winter, indoor high temperature and high humidity exhaust air is utilized to exhaust evaporation cold quantity of the refrigerating system. The total heat recoverer carries out multistage total heat recovery of fresh air and the exhaust air to improve heat recovery efficiency. The heat pump system provides cold quantity and heat quantity needed by the fresh air disposal system. Ice storage provides low temperature chilled water to carry out more thorough dehumidification on the fresh air so as to reach lower moisture content.
Description
Technical field
The present invention relates to a kind of full heat recovery fresh air processor, particularly ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor.
Background technology
China air conditioning in residential buildings system mostly adopts new return air mixed mode, because most of air is in indoor circulation, so that being discharged to that pollutant can not be very fast is outdoor, harm humans is healthy.Strengthen resh air requirement (or adopt all-fresh air method of operation), can indoor harmful substance dilute and discharge outdoorly, obviously improve indoor air quality.But then, the increase of resh air requirement is so that new wind is processed energy consumption greatly increases.To the present dehumidification modes that adopt chilled waters or directly evaporate of the processing mode of air, there is the drawback of the following aspects in this air conditioning mode: one, the condensation temperature of air cooling refrigeration machine is higher, and Energy Efficiency Ratio is low more in addition; Two, for lower chilled water temperature is provided, need lower evaporating temperature, the efficient of cooling-water machine is also decreased; Three, be difficult to adapt to the variation of heat moisture ratio.Only by evaporation mode air is cooled off and dehumidify, the sensible heat of its absorption and latent heat are than can only changing in certain scope, and the heat moisture ratio of building actual needs changes in the larger context.Generally be the control of sacrificing humidity, compromise by the requirement of only satisfying indoor temperature, cause the too high or too low phenomenon of indoor relative humidity; Four, because of the excessively low existence that causes condensed water of leaving air temp, the surface of coil pipe has formed the hotbed that grows various moulds, has worsened indoor air quality, causes multiple Cure of Sick Building Syndrome.
This ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, utilized the combination of ice cold-storage cryogenic freezing water and the heat pump full heat recovery fresh air unit of time-of-use tariffs, its basic function is: the system that processes sensible heat and latent heat can interior temperature and the humidity of while conditioning chamber.Dew-point temperature by the control room air is processed latent heat and part sensible heat, recycle the respectively pre-cold-peaces of two full heat regenerators and heat up, and condensation heat heats up to reduce relative humidity, thereby do not exist leaving air temp to cross the danger of hanging down dewfall; Particularly utilize winter the new wind of full heat regenerator preheating to overcome the situation of crossing low compressor start difficulty because of new air temperature.The fresh air processor group is also born simultaneously and is removed indoor CO2, peculiar smell, to guarantee the task of IAQ.
In the humiture independence control air conditioner system, need the fresh air processor group that dry outdoor new wind is provided, to satisfy hydrofuge, row CO2, to arrange the demand of distinguishing the flavor of and fresh air being provided.Adopting the rotary wheel dehumidifying mode, is a kind of possible solution route, namely is attached to the wheel surface that aglite is made with hygroscopic materials such as silica gel, molecular sieves.But the essence that the rotary dehumidifier utilization efficiency of heat energy is low is dehumidifying all is constant-enthalpy process and non-isothermal process with these two processes of regeneration, psychrometric difference between wheel surface and air and temperature difference are all very inhomogeneous, cause very large irreversible loss, also have simultaneously the situation of new wind and air draft cross pollution.Another dehumidification mode is that air evaporimeter direct and low temperature carries out heat exchange (passing through dew-point temperature), airborne steam is condensed into behind the condensed water intensification through auxiliary condenser, thereby realize the dehumidifying purpose of air, thereby realize the moisture absorption process near isothermal; Simultaneously low temperature and low humidity air draft helps to reduce condensation temperature through condenser, thereby has greatly improved the Energy Efficiency Ratio of unit.
The present invention adopts dehumidifying technology to process air conditioner fresh air, and new air draft is two tunnel autonomous channels, has stopped cross pollution, has improved indoor air quality; The energy of system recoveries indoor exhaust wind has reduced new wind and has processed energy consumption; Improve the heat pump Energy Efficiency Ratio, low taste thermal source is utilized, because heat pump can obtain the heat of Duo than drive energy, help energy-conservation and improve the environmental situation that causes because of fire coal, fuel oil.
Summary of the invention
Purpose of the present invention aim to provide a kind of simple and reasonable, operate steadily, energy consumption is low
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, to overcome and to improve weak point of the prior art.
Design by this purpose
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, formed by air draft part, new wind processing section, full heat regenerator and heat pump.Solid line represents the refrigeration working medium flow duct among the figure, and dotted line represents new wind and Air exhaust passage.
Described
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, it is characterized in that the c interface of described four-way change-over valve is connected with an end of condenser, a interface is connected with the exhaust outlet of compressor, and the b interface is connected with the air entry of compressor, and the d interface is connected with an end of evaporimeter; The other end of condenser is connected with the other end of evaporimeter by throttle part.
Also be connected with magnetic valve a between described condenser and the throttle part, magnetic valve a two ends are parallel with the condensation heat recover, wherein, the end that magnetic valve a is connected with condenser be connected with the condensation heat recover by magnetic valve b; The condensation heat recover is arranged on new wind air outlet place.
Described full heat regenerator is divided into full heat regenerator a and full heat regenerator b, and full heat regenerator a is arranged on the indoor exhaust wind porch, and full heat regenerator b is arranged on new wind air intake vent place.
Described new wind processing section contains new blower fan, surface-type heat exchanger and humidifier; Surface-type heat exchanger and humidifier are arranged between evaporimeter and the full heat regenerator a.
When outdoor air is the high temperature humid air, open compressor, the a of cross valve, c interface are communicated with, b, d interface are communicated with, outdoor new wind passes through full heat regenerator b and evaporimeter successively, after full heat regenerator b precooling and evaporator cools dehumidifying, pass through again the further cool-down dehumidification of surface-type heat exchanger, then indoor through sending into after full heat regenerator a and the intensification of condensation heat recover.The purpose of full heat regenerator b is that hot and humid new wind and low temperature and low humidity air draft are carried out precooling by full heat exchange; The purpose of evaporimeter is to reach dew-point temperature by refrigerant evaporation, removes the moisture in the new wind of high temperature humidity; The purpose of surface-type heat exchanger is to utilize ice cold-storage cryogenic freezing water to reach lower dew-point temperature, further removes the moisture in the new wind; Through full heat regenerator a and the intensification of condensation heat recover its relative humidity is reduced again, to reach required air-out humiture.Indoor exhaust wind is respectively through discharging outdoor through condenser again behind full heat regenerator a, the full heat regenerator b; Air draft reduces through temperature behind the full heat regenerator a, carries out full heat exchange by full heat regenerator b with new wind again, helps pre-cooling of fresh air; Indoor exhaust air with lower temperature helps cooler condenser to strengthen its heat-sinking capability, reaches to reduce power consumption raising Energy Efficiency Ratio.When outdoor air is the low temperature drying air, open compressor, a of cross valve, d interface are communicated with, and b, c interface are communicated with, and realize the mutual conversion of evaporimeter and condenser by the cross valve commutation.The new wind of open-air seasoning, low temperature passes through full heat regenerator b and condenser successively, after full heat regenerator b preheating and condenser heating, again through surface-type heat exchanger and the humidifier humidification that further heats up, new wind be heated send into behind the humidification indoor.The heat exhaust of condenser is used for heating new wind.Indoor hot and humid air by passing through evaporimeter behind full heat regenerator a, the full heat regenerator b, is discharged from outdoor respectively again after the cooling; Magnetic valve a opens, and magnetic valve b closes, and the condensation heat recover is not worked.
In summer, when outside air temperature is fit to, indoor temperature and humidity is crossed when low, close compressor enters indoor air and carries out ventilation from the outdoor air of indoor discharge with from outdoor;
Winter, when outside air temperature be fit to, when indoor temperature and humidity is too high, close compressor enters indoor air and carries out ventilation from the outdoor air of indoor discharge with from outdoor.
Described condensation heat recover and condenser are connected in series, and are used for reclaiming the condensation heat of refrigeration system, and new wind leaving air temp and reduction relative humidity raise; If new wind leaving air temp is excessively low, need magnetic valve b is opened, magnetic valve a closes; If new wind leaving air temp is too high, then need magnetic valve a is opened, magnetic valve b closes, and the condensation heat recover is not worked.
The present invention has utilized the ice cold-storage cryogenic freezing water of time-of-use tariffs and has adopted heat pump techniques, total-heat exchanger to carry out multistage full heat exchange and process air conditioner fresh air, also can remove dust and the bacterium of carrying secretly in the air by partly adding filtration and sterilizing unit at new wind, play the effect that purifies air, improved indoor air quality; System can reclaim the energy of indoor exhaust wind, has reduced new wind and has processed energy consumption; Utilize heat pump that the dehumidifying heat is provided, low taste thermal source is utilized, because heat pump can obtain the heat of Duo than drive energy, help energy-conservation and improve the environmental situation that causes because of fire coal, fuel oil.
Description of drawings
Fig. 1 is one embodiment of the invention operation principle schematic diagram.
Fig. 2 is another embodiment of the present invention operation principle schematic diagram.
The specific embodiment
The invention will be further described below in conjunction with drawings and Examples.
Referring to Fig. 1, this
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor, formed by air draft part, new wind processing section, full heat regenerator and heat pump.Heat pump comprises compressor 1, cross valve 7, condenser 3, evaporimeter 2, condensation heat recover 4 and expansion valve 10, and condensation heat recover 4 is arranged on new wind air outlet place; Full heat regenerator is divided into full heat regenerator a13 and full heat regenerator b14, and full heat regenerator a13 is arranged on the indoor exhaust wind porch, and full heat regenerator b14 is arranged on new wind air intake vent place; The air draft part is carried out by exhaust blower 6; New wind processing section contains new blower fan 5, surface-type heat exchanger 11 and humidifier 12 and forms.
The c interface of four-way change-over valve 7 is connected with an end of condenser 3, and a interface is connected with the exhaust outlet of compressor 1, and the b interface is connected with the air entry of compressor 1, and the d interface is connected with an end of evaporimeter 2; The other end of condenser 3 is connected with the other end of evaporimeter 2 by expansion valve 10.
Also be connected with magnetic valve a8 between condenser 3 and the expansion valve 10, magnetic valve a8 two ends are parallel with condensation heat recover 4, wherein, the end that magnetic valve a8 is connected with condenser 3 be connected with condensation heat recover 4 by magnetic valve b9; Condensation heat recover 4 is arranged on new wind air outlet place.
Full heat regenerator a13 is arranged on the indoor exhaust wind porch, and full heat regenerator b14 is arranged on new wind air intake vent place.
The new blower fan 5 of new wind processing section is arranged on new wind air outlet place, and surface-type heat exchanger 11 and humidifier 12 are arranged between evaporimeter 2 and the full heat regenerator a13; The exhaust blower 6 of air draft part is arranged on indoor exhaust wind air outlet place, reclaims the energy of indoor exhaust wind.
Its operation principle is:
One, summer operation
The outdoor new wind of high temperature humidity passes through full heat regenerator b14 and evaporimeter 2 successively, behind full heat regenerator b14 precooling and evaporimeter 2 cooling and dehumidifyings, pass through again surface-type heat exchanger 11 further cool-down dehumidifications, then indoor through sending into after full heat regenerator a13 and 4 intensifications of condensation heat recover.The purpose of full heat regenerator b14 is that hot and humid new wind and low temperature and low humidity air draft are carried out precooling by full heat exchange; The purpose of evaporimeter 2 is to reach dew-point temperature by refrigerant evaporation, removes the moisture in the new wind of high temperature humidity; The purpose of surface-type heat exchanger 11 is to utilize ice cold-storage cryogenic freezing water to reach lower dew-point temperature, further removes the moisture in the new wind; Through full heat regenerator a13 and 11 intensifications of condensation heat recover its relative humidity is reduced again, to reach required air-out humiture.Indoor exhaust wind is respectively through discharging outdoor through condenser 3 again behind full heat regenerator a13, the full heat regenerator b14; Air draft reduces through temperature behind the full heat regenerator a13, carries out full heat exchange by full heat regenerator b14 with new wind again, helps pre-cooling of fresh air; Indoor exhaust air with lower temperature helps cooler condenser 3 to strengthen its heat-sinking capability, reaches to reduce power consumption raising Energy Efficiency Ratio.The use of connecting with evaporimeter 2 of full heat regenerator b14, evaporimeter 2, full heat regenerator a13 and condensation heat recover 4 helps to regulate new wind leaving air temp and relative humidity, raising unit eer and heat exchanger effectiveness.If new wind leaving air temp is excessively low, need magnetic valve b9 is opened, magnetic valve a8 closes, and the condensation heat of condensation heat recover 4 is for new wind leaving air temp and the reduction relative humidity of raising; If new wind leaving air temp is too high, then need magnetic valve a8 is opened, magnetic valve b9 closes, and condensation heat recover 4 is not worked.
Two, winter operation
When outdoor air is the low temperature drying air, open compressor 1, a of cross valve, d interface are communicated with, and b, c interface are communicated with, and realize the mutual conversion of evaporimeter and condenser by cross valve 7 commutations.The new wind of open-air seasoning, low temperature passes through full heat regenerator b14 and condenser 2 successively, after full heat regenerator b14 preheating and condenser 2 heating, pass through again surface-type heat exchanger 11 and humidifier 12 further intensification humidifications, new wind is heated to be sent into behind the humidification indoorly, and the heat exhaust of condenser 2 is used for heating new wind.Indoor hot and humid air by passing through evaporimeter 3 behind full heat regenerator a13, the full heat regenerator b14, is discharged from outdoor respectively again after the cooling; Magnetic valve a8 opens, and magnetic valve b9 closes, and condensation heat recover 4 is not worked.
Three, the new blower fan group operation of transition season explanation
Heat pump quits work.Air draft and new wind exchange, and are admitted to indoorly behind the energy of new wind nature, and indoor foul atmosphere is discharged outdoor.
Claims (6)
1. ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor is characterized in that being comprised of air draft part, new wind processing section, full heat regenerator and heat pump; Heat pump comprises compressor (1), four-way change-over valve (7), condenser (3), evaporimeter (2), condensation heat recover (4) and expansion valve (10), and condensation heat recover (4) is arranged on new wind air outlet place; Full heat regenerator is divided into full heat regenerator a(13) and full heat regenerator b(14); The air draft part is carried out by exhaust blower (6); New wind processing section contains new blower fan (5), surface-type heat exchanger (11) and humidifier (12) and forms.
2.
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor according to claim 1 is characterized in that describedThe c interface of four-way change-over valve (7) is connected with an end of condenser (3), and a interface is connected with the exhaust outlet of compressor (1), and the b interface is connected with the air entry of compressor (1), and the d interface is connected with an end of evaporimeter 2; The other end of condenser (3) is connected with the other end of evaporimeter (2) by expansion valve (10).
3.
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor according to claim 2 is characterized in that describedAlso be connected with magnetic valve a(8 between condenser (3) and the expansion valve (10)), magnetic valve a(8) two ends are parallel with condensation heat recover (4), wherein, an end that magnetic valve a(8) is connected with condenser (3) with by magnetic valve b(9) be connected with condensation heat recover (4); Condensation heat recover (4) is arranged on new wind air outlet place.
4.
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor according to claim 1 is characterized in that describedFull heat regenerator is divided into full heat regenerator a(13) and full heat regenerator b(14), full heat regenerator a(13) be arranged on indoor exhaust wind porch, full heat regenerator b(14) be arranged on new wind air intake vent place.
5.
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor according to claim 1 is characterized in that describedThe new blower fan (5) of new wind processing section is arranged on new wind air outlet place, and surface-type heat exchanger (11) and humidifier (12) are arranged on evaporimeter (2) and full heat regenerator a(13) between; The exhaust blower (6) of air draft part is arranged on indoor exhaust wind air outlet place, reclaims the energy of indoor exhaust wind;
When outdoor air is the high temperature humid air, open compressor (1), the a of four-way change-over valve (7), c interface are communicated with, b, d interface are communicated with, outdoor new wind passes through full heat regenerator b(14 successively) and evaporimeter (2), by full heat regenerator b(14) behind precooling and evaporimeter (2) cooling and dehumidifying, pass through again further cool-down dehumidification of surface-type heat exchanger (11), then pass through full heat regenerator a(13) and condensation heat recover (4) send into after heating up indoor;
Full heat regenerator b(14) purpose is that hot and humid new wind and low temperature and low humidity air draft are carried out precooling by full heat exchange; The purpose of evaporimeter (2) is to reach dew-point temperature by refrigerant evaporation, removes the moisture in the new wind of high temperature humidity; The purpose of surface-type heat exchanger (11) is to utilize ice cold-storage cryogenic freezing water to reach lower dew-point temperature, further removes the moisture in the new wind; Pass through again full heat regenerator a(13) and condensation heat recover (4) heat up its relative humidity reduced, to reach required air-out humiture;
Indoor exhaust wind is passed through respectively full heat regenerator a(13), full heat regenerator b(14) after pass through again condenser (3) and discharge outdoor; Air draft is through full heat regenerator a(13) rear temperature reduction, again by full heat regenerator b(14) and carry out full heat exchange with new wind, help pre-cooling of fresh air; Indoor exhaust air with lower temperature helps cooler condenser to strengthen its heat-sinking capability, reaches to reduce power consumption raising Energy Efficiency Ratio;
When outdoor air is the low temperature drying air, open compressor, a of four-way change-over valve (7), d interface are communicated with, and b, c interface are communicated with, and realize the mutual conversion of evaporimeter and condenser by four-way change-over valve;
The new wind of open-air seasoning, low temperature passes through full heat regenerator b(14 successively) and condenser, the full heat regenerator b(14 of quilt) after preheating and the condenser heating, pass through again surface-type heat exchanger (11) and humidifier (12) humidification that further heats up, new wind be heated send into behind the humidification indoor; The heat exhaust of condenser is used for heating new wind; Indoor hot and humid air is respectively by full heat regenerator a(13), full heat regenerator b(14) after pass through again evaporimeter, be discharged from outdoor after the cooling; Magnetic valve a(8) open magnetic valve b(9) to close, condensation heat recover (4) is not worked;
In summer, when outside air temperature is fit to, indoor temperature and humidity is crossed when low, close compressor (1) enters indoor air and carries out ventilation from the outdoor air of indoor discharge with from outdoor;
Winter, when outside air temperature be fit to, when indoor temperature and humidity is too high, close compressor (1) enters indoor air and carries out ventilation from the outdoor air of indoor discharge with from outdoor.
6.
Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor according to claim 3 is characterized in that describedCondensation heat recover (4) is connected in series with condenser (3), is used for reclaiming the condensation heat of refrigeration system, and new wind leaving air temp and reduction relative humidity raise; If new wind leaving air temp is excessively low, need magnetic valve b(9) open magnetic valve a(8) close; If new wind leaving air temp is too high, then need magnetic valve a(8) open magnetic valve b(9) close, condensation heat recover (4) is not worked.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589073A (en) * | 2012-04-02 | 2012-07-18 | 吕智 | Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor |
| CN105485801A (en) * | 2016-01-14 | 2016-04-13 | 吕智 | Air exhausting heat recovery type self-pre-cooling energy-saving low-humidity fresh air air-conditioner |
| CN107062462A (en) * | 2017-01-03 | 2017-08-18 | 珠海格力电器股份有限公司 | A kind of control system of cold wind unit, cold wind unit and its control method |
| CN111397034A (en) * | 2020-02-27 | 2020-07-10 | 华为技术有限公司 | Refrigeration device, control method for refrigeration device, control device, and refrigeration system |
-
2012
- 2012-04-02 CN CN2012201367353U patent/CN202709344U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102589073A (en) * | 2012-04-02 | 2012-07-18 | 吕智 | Ice-storage cold-heat pump coupled multi-stage total-heat recovery fresh air processor |
| CN105485801A (en) * | 2016-01-14 | 2016-04-13 | 吕智 | Air exhausting heat recovery type self-pre-cooling energy-saving low-humidity fresh air air-conditioner |
| CN105485801B (en) * | 2016-01-14 | 2018-06-29 | 吕智 | Energy saving low humidity fresh air conditioner is pre-chilled in a kind of air-to-air energy recovery type certainly |
| CN107062462A (en) * | 2017-01-03 | 2017-08-18 | 珠海格力电器股份有限公司 | A kind of control system of cold wind unit, cold wind unit and its control method |
| CN111397034A (en) * | 2020-02-27 | 2020-07-10 | 华为技术有限公司 | Refrigeration device, control method for refrigeration device, control device, and refrigeration system |
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Effective date of registration: 20200515 Address after: The town of Nanhai District in Guangdong province 528225 State Road 321 Foshan City Shiling Chen Bian section Patentee after: GUANGDONG HEAD-POWER AIR-CONDITIONING Co.,Ltd. Address before: 528225 room 402, building 8, Jingui garden Zhongbei District, Guicheng Haisan Road, Nanhai District, Foshan City, Guangdong Province Patentee before: Lv Zhi |
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Granted publication date: 20130130 Termination date: 20210402 |
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| CF01 | Termination of patent right due to non-payment of annual fee |