CN108644933A - The working method of multistage recuperation of heat Fresh air handing device for central air conditioner system - Google Patents
The working method of multistage recuperation of heat Fresh air handing device for central air conditioner system Download PDFInfo
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- CN108644933A CN108644933A CN201810506172.4A CN201810506172A CN108644933A CN 108644933 A CN108644933 A CN 108644933A CN 201810506172 A CN201810506172 A CN 201810506172A CN 108644933 A CN108644933 A CN 108644933A
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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
Abstract
The present invention relates to a kind of working methods of the multistage recuperation of heat Fresh air handing device for central air conditioner system comprising：Summer mode, winter mode and transition season pattern, fresh air passes through primary plate-type heat recovery device and carries out heat exchange with return air, fresh air passes through desuperheating coil to carry out heat exchange, fresh air passes through again cold evaporator to be then passed through new wind cooling condenser heating after being dehumidified when summer, fresh air passes through humidity of the wet-membrane humidifier to make fresh air reach required, fresh air passes through secondary board-like retracting device and carries out heat exchange with return air, fresh air enters upper right intracavitary, pressure fan by fresh air carry out air-supply and by fresh air export outside air devider fresh air distributed and be sent into each room；Return air passes through secondary plate-type heat recovery device and carries out heat exchange with fresh air, and return air passes through primary plate-type heat recovery device and carries out heat exchange with fresh air, and return air is discharged into the external world after passing through out wind cooling condenser to carry out recuperation of heat；This method improves the recovery utilization rate of energy according to Various Seasonal using flexible operating mode, saves energy consumption.
Description
Technical field
The present invention relates to a kind of working methods of the multistage recuperation of heat Fresh air handing device for central air conditioner system, especially
Fresh air handing for central air conditioner system.
Background technology
If the return air of central air-conditioning wind system is directly arranged to air, air return energy is not recycled, causes energy
The significant wastage in source；In order to preferably energy-saving, realize the secondary use of energy, a kind of central air-conditioning air return energy is needed to return
Receiving apparatus；The heat reclamation device of existing central air-conditioning mostly realizes that heat transfer process, heat exchange efficiency are opposite using total-heat exchanger
It is relatively low, and the return air after heat exchange still contains a large amount of energy, traditional new blower for heat recycling is unfavorable for the efficient utilization of heat source.
Current household fresh air processor is basically that room is sent directly into after total-heat exchanger after filtering fresh air
It is interior, certain cooling or heating treatment are not carried out to fresh air, if you need to reach certain air conditioner refrigerating or heating effect, it is necessary to another
Outer unlatching air-conditioning or heating equipment.But the long duration in 1 year handles transition season, at this time, if do not turned on the aircondition,
Interior will appear apparent discomfort, at this moment must in addition open air-conditioning or heating equipment, lead to the unnecessary consumption of energy consumption.
Invention content
Technical problem to be solved by the invention is to provide a kind of working method of multistage recuperation of heat Fresh air handing device, energy
Enough recovery utilization rates for improving energy using flexible operating mode according to Various Seasonal, save energy consumption.
In order to solve the above technical problem, the present invention provides a kind of multistage recuperation of heat Fresh air handing devices comprising：
A, summer mode：Compressor operating, fresh air enter the upper left chamber of multistage recuperation of heat Fresh air handing device by fresh air inlet,
Primary plate-type heat recovery device is passed through after fresh air filter screen filtration and with return air progress heat exchange to reduce the temperature of fresh air,
Fresh air enters lumen, and presetting evaporator operation simultaneously generates temperature as the cold water of 16-20 degree by heat exchanger, and is sent into pre- cold dish
Pipe；The fresh air pass through desuperheating coil carry out heat exchange to again reduce fresh air temperature, fresh air pass through again cold evaporator into
Row cools down and dehumidifies again, and fresh air carries out heat exchange to make fresh air heat up when passing through new wind cooling condenser, fresh air adds across wet film
Humidity of the wet device to make fresh air reach required, fresh air pass through secondary board-like retracting device and with return air carry out heat exchange again from
And so that fresh air is heated up and reach required temperature, fresh air enters upper right intracavitary, and pressure fan, which send fresh air to fresh air, to be exported and pass through
Fresh air is distributed and is sent into each room by air devider；Return air from each room enters bottom right chamber through return air inlet, and return air passes through institute
It is sent into secondary plate-type heat recovery device by return fan after stating return air filter screen and carries out heat exchange with fresh air, passed through secondary board-like
Epicoele during the return air of heat reclamation device enters, return air pass through primary plate-type heat recovery device and carry out heat exchange again with fresh air,
Return air enters lower-left chamber and passes through out wind cooling condenser, carries out recuperation of heat to return air, and last return air is discharged into the external world through return air outlet.
B, winter mode：Compressor operating, fresh air enter upper left chamber by fresh air inlet, are worn after fresh air filter screen filtration
It crosses primary plate-type heat recovery device and carries out heat exchange with return air to increase the temperature of fresh air, fresh air enters lumen, presetting steaming
It sends out device work and temperature is generated by heat exchanger and be the hot water of 35-40 degree, and be sent into desuperheating coil；The fresh air passes through precooling
Coil pipe carries out heat exchange to increase the temperature of fresh air again, and fresh air passes through wet-membrane humidifier to make dry fresh air reach institute
The humidity needed, fresh air pass through secondary board-like retracting device and carry out heat exchange again with return air to make fresh air heat up and reach institute
The temperature needed, fresh air enter upper right intracavitary, and fresh air is sent to fresh air and exports and fresh air is distributed and sent by air devider by pressure fan
Enter each room；Return air from each room enters bottom right chamber through return air inlet, and return air is after the return air filter screen by return air
Machine is sent into secondary plate-type heat recovery device and carries out heat exchange with fresh air, and the return air of secondary plate-type heat recovery device is passed through to enter
Middle epicoele, return air pass through primary plate-type heat recovery device and carry out heat exchange again with fresh air, and return air enters lower-left chamber and passes through
Go out wind cooling condenser to carry out recuperation of heat to return air, last return air is discharged into the external world through return air outlet.
C, transition season pattern：Fresh air is sent directly into room after carrying out heat exchange with indoor return air after fresh air filter screen filtration
It is interior, while automatic detection interior CO2 concentration, adjust required fresh air volume；26 degree and it is less than when monitoring that indoor return air temperature is more than
30 degree, relative humidity be no more than 60% when, compressor start, presetting evaporator and go out wind cooling condenser start-up operation, presetting evaporator
The cold water of generation is sent into desuperheating coil and fresh air is pre-chilled；When monitoring that indoor return air temperature is less than 26 degree and more than 15
When degree, relative humidity are more than 75%, compressor start, then cold evaporator and new wind cooling condenser are started to work, and are removed to fresh air
It is sent into after wet, reheated indoor；When monitoring indoor return air temperature less than 15 degree and being more than 10 degree, compressor starts automatically,
Presetting evaporator and go out wind cooling condenser startup, the hot water that presetting evaporator generates is sent into desuperheating coil and heats up to fresh air.
Three kinds of energy saver mode, dehumidification mode, normal mode states can be divided into the summer mode；Energy saver mode realizes room
It is interior nobody when air circulating system close, temperature on duty control；Dehumidification mode is realized when indoor humidity is more than limit value, air circulating system
By interior circulating dehumidification mode operation；Normal mode realizes that system presses the humiture normal operation of indoor thermostat setting.
When the winter mode operation, the device is automatic to detect interior CO2 concentration, tune with minimum fresh air requirmente mode operation
Fresh air volume needed for section.
Compared with the existing technology, what the present invention had has the technical effect that：
（1）When the device works under summer mode, using multistage plate-type heat recovery device, make the fresh air of high temperature and returning for low temperature
Wind carries out fully direct heat exchange, improves the recovery utilization rate of energy, while reducing the live load of compressor, energy saving to subtract
Row；Carrying out precooling to fresh air using the cold water in desuperheating coil reduces the temperature of fresh air, is carried out to fresh air using cold evaporator again
Dehumidifying is improved the temperature of the fresh air after dehumidifying using new wind cooling condenser, is humidified fresh air to required using wet-membrane humidifier
Humidity, fresh air can carry out heat exchange again with return air and be warming up to required temperature when passing through secondary plate-type heat recovery device,
To reduce the live load of new wind cooling condenser.
（2）When the device works under pattern in winter, using multistage plate-type heat recovery device, make the fresh air and high temperature of low temperature
Return air carry out fully direct heat exchange, improve the recovery utilization rate of energy；Using the hot water in desuperheating coil to fresh air into
Row preheating increases the temperature of fresh air, is humidified dry fresh air to required humidity using wet-membrane humidifier, fresh air is by secondary
Heat exchange can be carried out again with return air when plate-type heat recovery device and is warming up to required temperature, using multistage board-like recuperation of heat
Device improves the efficiency of recuperation of heat.
（3）When working under transition season pattern, according to the different temperature of fresh air and humidity control respectively each condenser with
The work of evaporator can effectively reduce refrigeration and the run time of heating, save energy consumption.
（4）In summer mode, when it is indoor nobody when air circulating system close, while it is in due course according to indoor temperature change
Start cooling condition, to keep indoor temperature to keep constant, when being got in order to someone, reduces and start cooling condition
Indoor temperature is set to reach the time of required temperature afterwards；When indoor humidity is more than to recycle to keep indoor humidity quick in limit value starts
It reduces.
（5）In winter in pattern, with minimum air quantity mode operation, it is possible to reduce the heating of air-conditioning system in the unit interval
Amount, reduces the load of compressor and can quickly heat fresh air in a short time to required temperature, improve the utilization ratio of the energy.
Description of the drawings
In order to clearly illustrate the innovative principle of the present invention and its technical advantage compared to the existing product, below by way of attached
Figure illustrates possible embodiment by the non-limiting examples of the application principle.In figure：
Fig. 1 is the structure principle chart of the multistage recuperation of heat Fresh air handing device of the present invention；
Fig. 2 is the left view of the multistage recuperation of heat Fresh air handing device of the present invention；
Fig. 3 is the right view of the multistage recuperation of heat Fresh air handing device of the present invention.
Specific implementation mode
As shown in Figure 1, Figure 2, Figure 3 shows, the multistage recuperation of heat Fresh air handing device in the present invention includes：Fresh air filter screen 1, just
Grade plate-type heat recovery device 2, secondary plate-type heat recovery device 3, pressure fan 4, return air filter screen 5 go out wind cooling condenser 6, compressor
7, desuperheating coil 8, then cold evaporator 9, new wind cooling condenser 10, wet-membrane humidifier 11, return fan 12, upper left chamber 13, lower-left chamber 14,
Middle epicoele 15, lumen 16, upper right chamber 17, bottom right chamber 18, middle cavity of resorption 19, fresh air inlet 20, return air outlet 21, fresh air outlet 22,
Return air inlet 23.
Plate-type heat recovery device includes：Primary plate-type heat recovery device 2 and secondary plate-type heat recovery device 3, it is described board-like
It is the adverse current or cross-current for being molded molding assembly in CN1317539C that Chinese patent literature number such as, which may be used, in heat reclamation device
Flat air heat exchanger, Chinese patent literature number are plate-type heat recovery heat exchanger or China in CN201081580Y
Patent document number be CN1022798903A in plate heat exchanger, or use such as Chinese patent literature number for
Plate heat exchanger in CN102138053B.
The multistage recuperation of heat Fresh air handing device is hollow frame structure, and left side top is equipped with fresh air inlet
20, left side lower part is equipped with return air and exports 21, and right side top is equipped with fresh air and exports 22, and right flank middle part is equipped with return air
Entrance 23, the inner cavity of the multistage recuperation of heat Fresh air handing device is by cube primary plate-type heat recovery device 2, secondary board-like heat
Retracting device 3 and multiple partition boards are separated into multiple independent ventilation inner cavities, and the ventilation inner cavity includes：Upper left chamber 13, lower-left chamber
14, middle epicoele 15, lumen 16, upper right chamber 17, bottom right chamber 18, middle cavity of resorption 19, wherein fresh air inlet 20 are connected with upper left chamber 13,
Fresh air filter screen 1 is vertical in upper left chamber 13, and the underface of upper left chamber 13 is adjacent to be equipped with lower-left chamber 14, goes out wind cooling condenser 6 and hangs down
It is directly set in lower-left chamber 14, the right side of upper left chamber 13 is adjacent to be equipped with middle epicoele 15, and the underface of middle epicoele 15 is adjacent to be equipped with lumen
16, primary plate-type heat recovery device 2 is set to the first order that upper left chamber 13, lower-left chamber 14, middle epicoele 15 and lumen 16 have a common boundary and crosses
Simultaneously aforementioned four ventilation inner cavity is isolated for place, desuperheating coil 8 is vertically equipped in lumen 16, then 9 phase of cold evaporator is adjacent to precooling
The right side of coil pipe 8,10 phase of new wind cooling condenser are adjacent to again the right side of cold evaporator 9, and it is cold that 11 phase of wet-membrane humidifier is adjacent to fresh air
The right side of condenser 10, the underface of lumen 16 is adjacent to be equipped with middle cavity of resorption 19, during the frequency-changeable compressor 7 for freezing, heating is set to
In cavity of resorption 19, the right side of middle epicoele 15 is adjacent to be equipped with upper right chamber 17, and pressure fan 4 is set in upper right chamber 17, upper right chamber 17 just under
Fang Xianglin is equipped with bottom right chamber 18, and return air filter screen 5 is set in bottom right chamber 18, presetting evaporator（It is not shown in figure）Set on middle cavity of resorption
In 19, compressor 7 be suitable for cold evaporator 9 again, new wind cooling condenser 10, go out wind cooling condenser 6, presetting evaporator carries out work company
It connects；The heat exchanger of presetting evaporator and one side（It is not shown in figure）Carry out heat exchange and be suitable for desuperheating coil 8 provide it is cold
Water or hot water；Fresh air outlet 22, which is externally provided with, distributes fresh air to the air devider in each room, and each branch road of air devider rear end is all provided with
It is useful for the Electric air valve or wind turbine of Boiler pressure control.
It is heat exchanger, the Chinese patent in CN201621904U that Chinese patent literature number such as, which may be used, in the heat exchanger
Document number is heat exchanger in CN102865756B or Chinese patent literature number is heat exchanger in CN102288053B.
The working method of the multistage recuperation of heat Fresh air handing device includes：
（1）Summer mode：Compressor 7 works, and fresh air enters upper left chamber 13 by fresh air inlet 20, is filtered through fresh air filter screen 1
Primary plate-type heat recovery device 2 is passed through afterwards and carries out heat exchange with return air to reduce the temperature of fresh air, fresh air enters lumen 16,
Presetting evaporator operation simultaneously generates the cold water that temperature is 16-20 degrees Celsius by heat exchanger, and cold water is sent into desuperheating coil 8,
The fresh air passes through desuperheating coil 8 to carry out heat exchange to reduce the temperature of fresh air again, and fresh air is carried out across cold evaporator 9 again
Cool down and dehumidify, fresh air carries out heat exchange to make fresh air heat up when passing through new wind cooling condenser 10, fresh air passes through wet-membrane humidifier
11 humidity to make fresh air reach required, fresh air pass through secondary board-like retracting device 3 and with return air carry out heat exchange again from
And so that fresh air is heated up and reach required temperature, fresh air enters in upper right chamber 17, and pressure fan 4 send fresh air to fresh air outlet 22 simultaneously
Fresh air is distributed by air devider and is sent into each room；Return air from each room enters bottom right chamber 18 through return air inlet 23, returns
Wind is sent into secondary plate-type heat recovery device 3 by return fan 12 after passing through the return air filter screen 5 and carries out heat exchange with fresh air,
The epicoele 15 in the return air entrance of secondary plate-type heat recovery device 3, return air pass through primary plate-type heat recovery device 2 and and fresh air
Heat exchange is carried out again, and return air enters lower-left chamber 14 and passes through out wind cooling condenser 6 to carry out recuperation of heat, last return air to return air
It is discharged into the external world through return air outlet 21.
（2）Winter mode：Compressor 7 works, and fresh air enters upper left chamber 13 by fresh air inlet 20, through fresh air filter screen 1
Primary plate-type heat recovery device 2 is passed through after filtering and carries out heat exchange with return air to increase the temperature of fresh air, during fresh air enters
Chamber 16, presetting evaporator operation simultaneously generate the hot water that temperature is 35-40 degrees Celsius by heat exchanger, and hot water is sent into desuperheating coil
In 8, the fresh air passes through desuperheating coil 8 to carry out heat exchange to increase the temperature of fresh air again, and fresh air is passed through and is stopped
Again after cold evaporator 9 and new wind cooling condenser 10, fresh air passes through wet-membrane humidifier 11 to make dry fresh air reach required wet
Degree, fresh air pass through secondary board-like retracting device 3 and carry out heat exchange again with return air to make fresh air heat up and reach required
Temperature, fresh air enter in upper right chamber 17, pressure fan 4 by fresh air blow it is outer to fresh air outlet 22 and by air devider by fresh air
It distributes and is sent into each room；Return air from each room enters bottom right chamber 18 through return air inlet 23, and return air passes through the return air mistake
It is sent into secondary plate-type heat recovery device 3 by return fan 12 after strainer 5 and carries out heat exchange with fresh air, secondary board-like heat is passed through to return
Epicoele 15 during the return air of receiving apparatus 3 enters, return air pass through primary plate-type heat recovery device 2 and carry out heat exchange again with fresh air,
Return air enters lower-left chamber 14 and passes through out wind cooling condenser 6 to carry out recuperation of heat to return air, and last return air exports 21 rows through return air
Enter the external world.
（3）Transition season pattern：Transition season is generally comprised in the spring or autumn between the summer in winter, temperature and air
To fresh air use, control mode, i.e. fresh air warp are new for greater flexibility often in change procedure at random, needing at this time for humidity
Wind filter screen 1 filters and is sent directly into interior, while automatic detection interior CO2 concentration after indoor return air progress heat exchange, adjusts
Required fresh air volume；When monitor indoor return air temperature be more than 26 degree when and less than 30 degree when, and relative humidity be no more than 60% when,
Compressor start, presetting evaporator and goes out the start-up operation of wind cooling condenser 6, and the cold water that presetting evaporator generates is sent into desuperheating coil
（8）And fresh air is pre-chilled；When monitoring indoor return air temperature less than 26 degree and being more than 15 degree, but relative humidity is more than
When 75%, compressor start, then cold evaporator 9 and new wind cooling condenser 10 are started to work, dehumidified to fresh air, it is reheated after give
Enter interior；When monitoring that indoor return air temperature is less than 15 degree and when being more than 10 degree, compressor starts automatically, presetting evaporator and goes out
Wind cooling condenser 6 starts, and the hot water that presetting evaporator generates is sent into desuperheating coil（8）And it heats up to fresh air.
Three kinds of energy saver mode, dehumidification mode, normal mode states can be divided into the summer mode；Energy saver mode realizes room
It is interior nobody when air circulating system close, temperature on duty control；Dehumidification mode is realized when indoor humidity is more than limit value, air circulating system
By interior circulating dehumidification mode operation；Normal mode realizes that system presses the humiture normal operation of indoor thermostat setting.
When the winter mode operation, the device is automatic to detect interior CO2 concentration, tune with minimum fresh air requirmente mode operation
Fresh air volume needed for section.
Obviously, the above embodiment is merely an example for clearly illustrating the present invention, and is not to the present invention
The restriction of embodiment.For those of ordinary skill in the art, it can also be made on the basis of the above description
Its various forms of variation or variation.There is no necessity and possibility to exhaust all the enbodiments.And these belong to this hair
The obvious changes or variations that bright spirit is extended out are still in the protection scope of this invention.
Claims (1)
1. a kind of working method of multistage recuperation of heat Fresh air handing device, including：
Summer mode：Compressor（7）Work, fresh air pass through fresh air inlet（20）Into a left side for multistage recuperation of heat Fresh air handing device
Epicoele（13）, through fresh air filter screen（1）Primary plate-type heat recovery device is passed through after filtering（2）And with return air carry out heat exchange to
The temperature of fresh air is reduced, fresh air enters lumen（16）, presetting evaporator operation is simultaneously 16-20 degree by heat exchanger generation temperature
Cold water, and be sent into desuperheating coil（8）；The fresh air passes through desuperheating coil（8）Heat exchange is carried out to reduce fresh air again
Temperature, fresh air pass through cold evaporator again（9）Cooled down again and dehumidified, fresh air passes through new wind cooling condenser（10）Shi Jinhang heat is handed over
It changes to make fresh air heat up, fresh air passes through wet-membrane humidifier（11）Humidity to make fresh air reach required, fresh air pass through secondary
Board-like retracting device（3）And heat exchange again is carried out to make fresh air heat up and reach required temperature with return air, fresh air enters
Upper right chamber（17）It is interior, pressure fan（4）Fresh air is sent to fresh air and is exported（22）And fresh air is distributed by air devider and is sent into each room
Between；Return air from each room is through return air inlet（23）Into bottom right chamber（18）, return air is across the return air filter screen（5）Afterwards by
Return fan（12）It is sent into secondary plate-type heat recovery device（3）It is interior and carry out heat exchange with fresh air, pass through secondary board-like recuperation of heat dress
It sets（3）Return air enter in epicoele（15）, return air is across primary plate-type heat recovery device（2）And hot friendship is carried out again with fresh air
It changes, return air enters lower-left chamber（14）And pass through out wind cooling condenser（6）, recuperation of heat is carried out to return air, last return air exports through return air
（21）It is discharged into the external world；
The working method further includes winter mode：Compressor（7）Work, fresh air pass through fresh air inlet（20）Into upper left chamber
（13）, through fresh air filter screen（1）Primary plate-type heat recovery device is passed through after filtering（2）And heat exchange is carried out to increase with return air
The temperature of fresh air, fresh air enter lumen（16）, presetting evaporator operation is simultaneously the heat of 35-40 degree by heat exchanger generation temperature
Water, and it is sent into desuperheating coil（8）；The fresh air passes through desuperheating coil（8）Carry out heat exchange to again increase fresh air temperature,
Fresh air passes through wet-membrane humidifier（11）Humidity to make dry fresh air reach required, fresh air pass through secondary board-like retracting device
（3）And heat exchange again is carried out to make fresh air heat up and reach required temperature with return air, fresh air enters upper right chamber（17）It is interior,
Pressure fan（4）Fresh air is sent to fresh air and is exported（22）And fresh air is distributed by air devider and is sent into each room；From each room
Return air through return air inlet（23）Into bottom right chamber（18）, return air is across the return air filter screen（5）Afterwards by return fan（12）It send
Enter secondary plate-type heat recovery device（3）It is interior and carry out heat exchange with fresh air, pass through secondary plate-type heat recovery device（3）Return air into
Enter middle epicoele（15）, return air is across primary plate-type heat recovery device（2）And heat exchange is carried out again with fresh air, return air enters lower-left
Chamber（14）And pass through out wind cooling condenser（6）To carry out recuperation of heat to return air, last return air is exported through return air（21）It is discharged into the external world；
The working method further includes transition season pattern：Fresh air is through fresh air filter screen（1）It is carried out with indoor return air after filtering
It is sent directly into interior, while automatic detection interior CO2 concentration after heat exchange, adjusts required fresh air volume；When monitoring indoor return air
Temperature be more than 26 degree and less than 30 degree, relative humidity no more than 60% when, compressor start and goes out wind cooling condenser at presetting evaporator
（6）It starts to work, the cold water that presetting evaporator generates is sent into desuperheating coil（8）And fresh air is pre-chilled；When monitoring interior
When return air temperature is less than 26 degree and is more than 75% more than 15 degree, relative humidity, compressor start, then cold evaporator（9）And it is new air-cooled
Condenser（10）It starts to work, is dehumidified to fresh air, reheated rear feeding interior；When monitor indoor return air temperature be less than 15 degree
And when more than 10 degree, compressor starts automatically, presetting evaporator and goes out wind cooling condenser（6）Start, the heat that presetting evaporator generates
Water is sent into desuperheating coil（8）It heats up to fresh air.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810506172.4A CN108644933A (en) | 2014-08-20 | 2014-08-20 | The working method of multistage recuperation of heat Fresh air handing device for central air conditioner system |
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|---|---|---|---|
| CN201810506172.4A CN108644933A (en) | 2014-08-20 | 2014-08-20 | The working method of multistage recuperation of heat Fresh air handing device for central air conditioner system |
| CN201410412097.7A CN105352073B (en) | 2014-08-20 | 2014-08-20 | The method of work of multistage recuperation of heat Fresh air handing device |
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| CN201410412097.7A Division CN105352073B (en) | 2014-08-20 | 2014-08-20 | The method of work of multistage recuperation of heat Fresh air handing device |
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| CN201810505988.5A Pending CN108954742A (en) | 2014-08-20 | 2014-08-20 | The Fresh air handing device of the central air conditioner system of efficiency of energy utilization can be improved |
| CN201410412097.7A Active CN105352073B (en) | 2014-08-20 | 2014-08-20 | The method of work of multistage recuperation of heat Fresh air handing device |
| CN201810506191.7A Pending CN108954743A (en) | 2014-08-20 | 2014-08-20 | The multistage recuperation of heat Fresh air handing device of central air conditioner system |
| CN201810506172.4A Pending CN108644933A (en) | 2014-08-20 | 2014-08-20 | The working method of multistage recuperation of heat Fresh air handing device for central air conditioner system |
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| CN201410412097.7A Active CN105352073B (en) | 2014-08-20 | 2014-08-20 | The method of work of multistage recuperation of heat Fresh air handing device |
| CN201810506191.7A Pending CN108954743A (en) | 2014-08-20 | 2014-08-20 | The multistage recuperation of heat Fresh air handing device of central air conditioner system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111536668A (en) * | 2020-05-13 | 2020-08-14 | 广东美的制冷设备有限公司 | Fresh air control method, air conditioner and readable storage medium |
| CN116972462A (en) * | 2023-09-25 | 2023-10-31 | 格瑞海思人居环境科技(江苏)有限公司 | Heat pump type solution deep dehumidification integrated unit |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108954742A (en) * | 2014-08-20 | 2018-12-07 | 上海诺佛尔生态科技有限公司 | The Fresh air handing device of the central air conditioner system of efficiency of energy utilization can be improved |
| 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 |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108954743A (en) | 2018-12-07 |
| CN105352073B (en) | 2018-06-19 |
| CN105352073A (en) | 2016-02-24 |
| CN108954742A (en) | 2018-12-07 |
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