CN207763195U - A kind of new blower for heat recycling - Google Patents
A kind of new blower for heat recycling Download PDFInfo
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- CN207763195U CN207763195U CN201721648488.4U CN201721648488U CN207763195U CN 207763195 U CN207763195 U CN 207763195U CN 201721648488 U CN201721648488 U CN 201721648488U CN 207763195 U CN207763195 U CN 207763195U
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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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Abstract
This application involves new blower for heat recycling.The new blower for heat recycling includes：Shell；Air draft with air draft import is into chamber and the air draft with wind exhausting outlet goes out chamber, and the air draft goes out chamber into chamber and air draft and constitutes air exhaust passage；Fresh air with fresh inlet is into chamber and the fresh air with fresh air outlet goes out chamber, and the fresh air goes out chamber into chamber and fresh air and constitutes fresh air channel, and the fresh air channel and air exhaust passage are not connected in the chamber of shell；Positioned at the rotary heat exchanger of enclosure interior, setting is in fresh air into the indoor at least one filter assemblies of chamber；Go out the indoor at least one filter assemblies of chamber in fresh air with being arranged.New blower for heat recycling provided by the utility model, heat recovery efficiency is high, and service life is long, while fresh air inlet uses bag type filtering, effectively prevents outdoor mosquito reptile and is got in by air duct.
Description
Technical field
The utility model is related to new wind turbine field, especially a kind of new blower for heat recycling.
Background technology
The air-conditioning utilization rate of present public place is higher and higher, and people are chronically in closed environment, must due to lacking
Must air circulation, indoor air quality is very poor, it is easy to cause the propagation for not accommodating disease, therefore, it is necessary to take measures into
Row air exchange introduces outdoor fresh air under conditions of not opening a window, and excludes indoor muddy harmful gas.Currently, market
On developed new blower fan system for indoor and outdoor ventilation.
New wind turbine is a kind of energy-saving air conditioning terminal product, which excludes dirty air out of building, and will
Outdoor ozone (being rich in oxygen) is sent into building.New wind turbine is divided into three kinds at present：The unidirectional air intake of positive pressure, negative pressure are unidirectional
Air-exhaust type, new blower for heat recycling, first two is all without heat reclamation device.The third band recuperation of heat, it is two that wherein recuperation of heat, which is divided into,
Kind mode：Exposure degree and recovery of latent heat, in two kinds of air circulations of fresh air and air draft, unit is the air conditioner energy in air draft
(summer cold, winter heat) recycles, and is transmitted in fresh air, to reach energy-efficient purpose.
But it is not very defended recently as the getting worse of atmospheric haze although outdoor fresh air is rich in oxygen
Raw, especially PM2.5 particle concentrations are high, while there is also the harmful microorganisms such as many viruses, bacterium, also sulfide, nitrogen
These inorganic pollution gases such as compound and ozone, such fresh air are sent into building room and can be caused very to people's health
It is big to influence.If new wind turbine does not have the ability for filtering these dust particles, harmful microorganism and inorganic pollution, fresh air
Entrance may be decreased the quality of room air instead, while outdoor mosquito reptile also can get in wind by fresh flue
Road causes user uncomfortable.
Moreover, current new blower for heat recycling has five：1. heat recovery efficiency is low, total heat recovery efficiency is generally low
In 60%, the waste of energy is caused, increases the energy consumption of room conditioning；2. leakage is serious in heat recovering heat exchanger, indoor pollution is empty
In gas leakage to fresh air, fresh air is polluted, reduces the air quality of air inlet；3. heat recovering heat exchanger surface moisture is mouldy, grow
Endophytic bacteria causes secondary pollution；4. heat recovering heat exchanger windage is generally bigger than normal, generally it is not less than 100pa；5. total heat recovery exchanges heat
The device service life is not grown generally, in long-term moist adverse circumstances, will replace within general 1 year, use cost is high.
Utility model content
The utility model provides a kind of new blower for heat recycling, which is characterized in that the new blower for heat recycling includes
Shell；
Air draft with air draft import is into chamber and the air draft with wind exhausting outlet goes out chamber, and the air draft is into chamber and row
Wind goes out chamber and constitutes air exhaust passage；
Fresh air with fresh inlet is into chamber and the fresh air with fresh air outlet goes out chamber, and the fresh air is into chamber and newly
Wind goes out chamber and constitutes fresh air channel, and the fresh air channel and the air exhaust passage are not connected in the chamber of shell；
Positioned at the rotary heat exchanger of enclosure interior, air draft is gone out chamber by the rotary heat exchanger into chamber and air draft
Interventricular septum is opened, and the air draft goes out chamber into chamber and air draft and is in fluid communication through the rotary heat exchanger and the runner
Fresh air is gone out chamber into chamber and fresh air and is spaced apart by formula heat exchanger, and the fresh air goes out chamber through the runner into chamber and fresh air
Formula heat exchanger fluid communicates；
Setting is in fresh air into the indoor at least one filter assemblies of chamber；With
It is arranged and goes out the indoor at least one filter assemblies of chamber in fresh air.
In one embodiment, go out to be provided with exhaust fan in chamber into chamber and/or air draft in air draft；And/or
Fresh air goes out to be provided with fresh-air fan in chamber into chamber and/or fresh air.Preferably, go out in chamber to be provided with air draft wind in air draft
Machine；And/or goes out in fresh air and be provided with fresh-air fan in chamber.
In one embodiment, in air draft into being additionally provided with air draft primary filter in chamber.
In one embodiment, described be arranged at the beginning of indoor at least one filter assemblies include fresh air into chamber in fresh air is imitated
Bag filter, fresh air medium effeciency filter and active carbon filter.
In one embodiment, the fresh air just imitates bag filter and is removably connected with the fresh inlet.
In one embodiment, go out in fresh air and be provided with fresh-air fan in chamber, the setting goes out in fresh air in chamber
At least one filter assemblies include high efficiency particulate air filter, the high efficiency particulate air filter is located at the rotary heat exchanger and fresh air wind
Between machine.
In one embodiment, the rotary heat exchanger is obliquely fixed on shell, and the rotary-type heat is handed over
The installation angle of parallel operation and shell is more than 0 degree to 45 degree.
In one embodiment, the wheel core material of the rotary heat exchanger is that surface is coated with molecular sieve or silicon
The aluminium foil of glue.
Compared with existing fresh air heat recovery machine, new blower for heat recycling provided by the utility model, heat recovery efficiency is high,
General total heat recovery efficiency is higher than 75%, and windage is low, and interior leakage is small, is not afraid of moist rugged environment, and surface will not grow bacterium production
Raw secondary pollution, service life is long, while fresh air inlet uses bag type filtering, effectively prevent outdoor mosquito reptile by air duct into
Enter interior.In addition, high efficiency particulate air filter is arranged after rotary heat exchanger, the particle that secondary pollution is brought is effectively reduced
The pollutions such as object, bacterium further improve the air quality got in.
Description of the drawings
Fig. 1 is a kind of new blower for heat recycling structural schematic diagram that a specific implementation mode of the utility model provides.
Fig. 2 is a kind of recuperation of heat air draught side view that a specific implementation mode of the utility model provides.
Specific implementation mode
The utility model is described in detail below in conjunction with the accompanying drawings, protection model of the specific implementation mode to the utility model
It encloses and does not have restriction effect.
The application provides a kind of new blower for heat recycling comprising：
Shell；
Air draft with air draft import is into chamber and the air draft with wind exhausting outlet goes out chamber, and the air draft is into chamber and row
Wind goes out chamber and constitutes air exhaust passage；
Fresh air with fresh inlet is into chamber and the fresh air with fresh air outlet goes out chamber, and the fresh air is into chamber and newly
Wind goes out chamber and constitutes fresh air channel, and the fresh air channel and the air exhaust passage are not connected in the chamber of shell；
Positioned at the rotary heat exchanger of enclosure interior, air draft is gone out chamber by the rotary heat exchanger into chamber and air draft
Interventricular septum is opened, and the air draft goes out chamber into chamber and air draft and is in fluid communication through the rotary heat exchanger and the runner
Fresh air is gone out chamber into chamber and fresh air and is spaced apart by formula heat exchanger, and the fresh air goes out chamber through the runner into chamber and fresh air
Formula heat exchanger fluid communicates；
Setting is in fresh air into the indoor at least one filter assemblies of chamber；With
It is arranged and goes out the indoor at least one filter assemblies of chamber in fresh air.
The various pieces of the application new blower for heat recycling are illustrated individually below.
Fig. 1 shows a kind of structural representation for new blower for heat recycling that a specific implementation mode of the utility model provides
Figure.As shown in Figure 1, the new blower for heat recycling of the application includes shell 20, all parts for accommodating new wind turbine.New wind turbine
Shell 20 can use plastics or metal to be made.
The new blower for heat recycling of the application is equally used for the ventilation inside and outside building, thus includes in building
The air exhaust passage of discharging air outward, and the fresh air channel for conveying fresh air outside to inside by building.Such as Fig. 1 institutes
Show, in the new blower for heat recycling of the application, air exhaust passage goes out chamber 2 into chamber 1 and air draft by air draft and constitutes, wherein air draft into
Chamber 1 has air draft import 15, and air draft goes out chamber 2 with wind exhausting outlet 16.When installing the new blower for heat recycling of the application,
The air draft import 15 is connected to building interior space, the air of interior of building by the air draft import 15 enter the air draft into
Chamber 1 then goes out chamber 2 into air draft；It is connected to outside the wind exhausting outlet 16 and building, the air of chamber 2 is gone out into air draft
It is discharged by the wind exhausting outlet 16.Similarly, in the new blower for heat recycling of the application, fresh air channel is by fresh air into 3 He of chamber
Fresh air goes out the composition of chamber 4, and wherein fresh air has fresh inlet 13 into chamber 3, and fresh air goes out chamber 4 and exports 14 with fresh air.
When the new blower for heat recycling of the application is installed, it is connected outside the fresh inlet 13 and building, the fresh sky outside building
Gas enters the fresh air into chamber 3 by the fresh inlet 13, then goes out chamber 4 into fresh air；Fresh air outlet 14 and building
Inside is connected, and the fresh air that chamber 4 is gone out into fresh air enters interior of building by fresh air outlet 14, to realize
The exchange of inner air and outer air.In this application, the fresh air channel and the air exhaust passage are not connected in the chamber of shell, with
Ensure that mixing phenomena do not occur in fresh air and discharge air in the exchange process of inner air and outer air.
In order to improve the exchange rate of inner air and outer air, in one embodiment, go out into chamber 1 and/or air draft in air draft
Exhaust fan 7 is provided in chamber 2；And/or go out in chamber 4 to be provided with fresh-air fan 6 into chamber 3 and/or fresh air in fresh air.
Preferably, go out in chamber 2 to be provided with exhaust fan 7 in air draft；And/or go out in chamber 4 to be provided with fresh-air fan 6 in fresh air.
As shown in Figure 1, the new blower for heat recycling of the application includes the rotary heat exchanger 5 positioned at enclosure interior, it is described
Air draft is gone out chamber 2 into chamber 1 and air draft and is spaced apart by rotary heat exchanger 5, and fresh air is gone out chamber into chamber 3 and fresh air
4 are spaced apart；The air draft goes out chamber 2 through the fluid communication of the rotary heat exchanger 5 and the fresh air into chamber 1 and air draft
Go out chamber 4 into chamber 3 and fresh air through the rotary heat exchanger 5 to be in fluid communication.The rotary heat exchanger 5 is for realizing logical
Fresh inlet 13 is crossed to enter the fresh air of new wind turbine and enter the discharge air of new wind turbine by air draft import 15 new
The heat exchange of blower interior, (cold) amount of heat so as to recycle discharge air, so that it is energy saving, and keep interior of building
Air themperature, improve comfort level.
In one embodiment, the rotary heat exchanger 5 is obliquely fixed on the housing 20, the rotary-type heat
The installation angle of exchanger and shell is more than 0 degree to 45 degree, as shown in Figure 2.
Rotary heat exchanger is a kind of total-heat exchanger, is made of core wheel, sealing, shell, actuating unit etc., with honeycomb
Core wheel is to pass to replace medium, is released in cryogenic gas from energy is absorbed in high-temperature gas, realizes that the energy between gas and gas is converted.
The core component of rotary heat exchanger is cellular runner.In one embodiment, the wheel of the rotary heat exchanger
Core material is the aluminium foil that surface is coated with molecular sieve or silica gel.
When the temperature difference of indoor and outdoor air is larger, the operating mode of rotary heat exchanger 5 can be opened：
At summer, the temperature of outdoor air is higher, and the temperature of room air is relatively low, outdoor fresh air and indoor row
Go out air and heat exchange occurs in rotary heat exchanger 5, so that entering indoor fresh air temperature reduces, to return
Receive the cold of discharge air；Conversely, in winter, the temperature of room air is higher, and the temperature of outdoor air is relatively low, it is outdoor new
With indoor discharge air in rotary heat exchanger 5 heat exchange occurs for fresh air, so that entering indoor fresh air
Temperature increases, to recycle the heat of discharge air.
In transition season rotary-type heat exchange can be controlled when the temperature difference of indoor and outdoor air is smaller or even suitable
Device 5 is in stop mode：
Stop rotary heat exchanger so that rotary heat exchanger is each positioned at the part master of air exhaust passage and fresh air channel
It is used for the path of air draft and fresh air traveling, to save the energy.
In one embodiment, the application new blower for heat recycling further includes gear controller (not shown), for adjusting
The operating mode (work and stopping) of rotary heat exchanger.The rotary heat exchanger of the application new blower for heat recycling as a result,
Operating mode can manually be controlled by user by adjusting the gear controller (work and stop) of rotary heat exchanger
System.
In one embodiment, the application new blower for heat recycling further includes control assembly (not shown), for controlling automatically
The operating mode of rotary heat exchanger processed.The control assembly includes control module, for measuring outside air temperature (i.e. newly
Air temperature, Tout) fresh air temperature sensor and for measuring indoor air temperature (i.e. temperature of outgoing air, Tin) temperature of outgoing air
Sensor.The control module can be according to new air temperature ToutWith temperature of outgoing air TinBetween difference automatically adjust rotary-type heat
The operating mode (work and stopping) of exchanger.
For example, control of the control module to rotary heat exchanger can be preset as follows：
When | Tin-Tout| >=A then opens the operating mode of rotary heat exchanger；
In other conditions, then controls rotary heat exchanger and be in stop mode.
The absolute value A of indoor/outdoor temperature-difference can be preset by the producer of the application new blower for heat recycling, or by making
User voluntarily adjusts as needed.In one embodiment, A values are at least 10 DEG C, for example, at least 12 DEG C, at least 15 DEG C, until
It is 20 DEG C few, and at most 50 DEG C, either at most 30 DEG C or at most 25 DEG C.
In order to avoid the component of indoor discharge air pollution rotary heat exchanger 5, core material is especially taken turns, causes to drop
Low-heat exchange efficiency, in one embodiment, in air draft into being additionally provided with air draft primary filter 12 in chamber 1.The air draft
Primary filter 12 makes discharge air contact rotary heat exchanger 5 between air draft import 15 and rotary heat exchanger 5
It is first filtered before through the air draft primary filter 12.In one embodiment, the air draft primary filter 12 is removably solid
Air draft is scheduled on into chamber 1, in order to which it is replaced.Table 1 lists the existing mark in Europe of the filter efficiency specification of air filter
It is accurate.According to European standard, the filter efficiency of the air draft primary filter 12 is G1-G4 specifications, preferably G3-G4 specifications.
The European current standard of 1 air filter filter efficiency specification of table
As noted previously, as the problems such as current air pollution, it is unfavorable that fresh air, which is directly transported into interior,.The application
New blower for heat recycling further include being arranged in fresh air at least one filter assemblies in chamber 3, and be arranged and go out chamber in fresh air
At least one filter assemblies in room 4.Setting is during in fresh air, into chamber, indoor at least one filter assemblies can filter out fresh air
Hair, leaf, pollen, large particle and some inorganic gaseous pollutants etc..In one embodiment, setting fresh air into
At least one filter assemblies in chamber 3 include that fresh air just imitates bag filter 8, fresh air medium effeciency filter 9 and activated carbon filtering
Device 10.The fresh air just imitates bag filter 8 and is removably connected with the fresh inlet 13, in order to which it is replaced.The fresh air
Just effect bag filter 8 uses pouched case, and compared to general flat filter, filter effect is more preferable, and dust containing capacity is high, mistake
Filtration resistance power rises slowly, and then service life is long, but also can effectively prevent outdoor mosquito reptile and be got in by air duct.
In a kind of embodiment, fresh air just imitate bag filter 8 can use electrostatic cotton at.In order to it can not adversely make fresh air at the beginning of
The filtration resistance for imitating bag filter 8 is too big, and according to European standard, the filter efficiency that fresh air just imitates bag filter 8 is G3-F6
Specification.In one embodiment, fresh air medium effeciency filter 9 can use flat filter structure, be removably secured
In fresh air into chamber 3.According to European standard, the filter efficiency of fresh air medium effeciency filter 9 is not less than F7 grades, preferably F7-H12
Specification.Active carbon filter 10 can also use tablet for removing the inorganic gaseous pollutant such as sulphide removal, nitride and ozone
Formula filtration device structure, and fresh air is removably attached into chamber 3.
In one embodiment, it includes high efficiency particulate air filter that at least one filter assemblies gone out in chamber 4 in fresh air, which are arranged,
11, it is located between rotary heat exchanger 5 and fresh air outlet 14, can be further filtered through 5 heat of rotary heat exchanger
The fresh air air of exchange.The high efficiency particulate air filter 11 can filter fine particulates and bacterial virus etc. and be handed over by rotary-type heat
The secondary pollution generated after parallel operation heat exchange, further increases the fresh air air quality got in.According to European standard,
The filter efficiency of high efficiency particulate air filter is not less than H12, preferably H12-H14 specifications.
In one embodiment, go out in chamber 4 to be provided with fresh-air fan 6 in fresh air, described be arranged goes out chamber 4 in fresh air
Interior at least one filter assemblies include high efficiency particulate air filter 11, and the high efficiency particulate air filter 11 is located at the rotary heat exchanger 5
Between fresh-air fan 6.As described above, multistage filtering component is arranged in the fresh air passage, the fresh air got in can be improved
Air quality, while the filter loading of each filter assemblies is reduced, reduce manufacturing cost.
When the new blower fan work of the application, into chamber 1, then the air of foul indoor enters air draft by air draft import 15
Enter rotary heat exchanger 5 by air draft primary filter 12, go out chamber Room 2 into air draft after being exchanged heat, exhaust fan 7 will
Outdoor is discharged by wind exhausting outlet 16 in foul atmosphere.Into chamber 3, then outdoor fresh air into wind inlet 13 by entering fresh air
Fresh air primarily efficient filter bag 8, medium effeciency filter 9, active carbon filter 10 are passed sequentially through, hair, leaf pollen in fresh air, big
Grain object and some inorganic gaseous pollutants etc. are filtered, and are exchanged heat by rotary heat exchanger 5 and are gone out chamber subsequently into fresh air
4, by high efficiency particulate air filter 11, fine particulates and bacterial virus etc. are filtered, and 14 are exported by fresh air finally by fresh-air fan 6
It is sent into indoor.
The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art
Art personnel can also make several improvements and modifications without departing from the principle of this utility model, these improvements and modifications
Also it should be regarded as the scope of protection of the utility model.
Claims (9)
1. a kind of new blower for heat recycling, which is characterized in that the new blower for heat recycling includes
Shell；
Air draft with air draft import is into chamber and the air draft with wind exhausting outlet goes out chamber, and the air draft goes out into chamber and air draft
Chamber constitutes air exhaust passage；
Fresh air with fresh inlet is into chamber and the fresh air with fresh air outlet goes out chamber, and the fresh air goes out into chamber and fresh air
Chamber constitutes fresh air channel, and the fresh air channel and air exhaust passage are not connected in the chamber of shell；
Positioned at the rotary heat exchanger of enclosure interior, the rotary heat exchanger goes out air draft between chamber into chamber and air draft
It separates, the air draft goes out chamber into chamber and air draft and is in fluid communication through the rotary heat exchanger and the rotary-type heat
Fresh air is gone out chamber into chamber and fresh air and is spaced apart by exchanger, and the fresh air goes out chamber through the rotary-type heat into chamber and fresh air
Exchanger fluid communicates；
Setting is in fresh air into the indoor at least one filter assemblies of chamber；With
It is arranged and goes out the indoor at least one filter assemblies of chamber in fresh air.
2. new blower for heat recycling according to claim 1, which is characterized in that go out chamber into chamber and/or air draft in air draft
Inside it is provided with exhaust fan；And/or
Go out to be provided with fresh-air fan in chamber into chamber and/or fresh air in fresh air.
3. new blower for heat recycling according to claim 2, which is characterized in that go out in chamber to be provided with air draft wind in air draft
Machine；And/or
Go out in fresh air and is provided with fresh-air fan in chamber.
4. according to claim 1-3 any one of them new blower for heat recycling, which is characterized in that in air draft into also setting up in chamber
There is air draft primary filter.
5. according to claim 1-3 any one of them new blower for heat recycling, which is characterized in that the setting is in fresh air into chamber
Interior at least one filter assemblies include that fresh air just imitates bag filter, fresh air medium effeciency filter and active carbon filter.
6. new blower for heat recycling according to claim 5, which is characterized in that it is detachable that the fresh air just imitates bag filter
Ground is connected with the fresh inlet.
7. according to claim 1-3 any one of them new blower for heat recycling, which is characterized in that go out in chamber in fresh air and be provided with
Fresh-air fan, it includes high efficiency particulate air filter that the setting goes out the indoor at least one filter assemblies of chamber in fresh air, the high efficiency filter
Device is between the rotary heat exchanger and fresh-air fan.
8. according to claim 1-3 any one of them new blower for heat recycling, which is characterized in that the rotary heat exchanger inclines
It is tiltedly fixed on shell, the installation angle of the rotary heat exchanger and shell is more than 0 degree to 45 degree.
9. according to claim 1-3 any one of them new blower for heat recycling, which is characterized in that the rotary heat exchanger
It is the aluminium foil that surface is coated with molecular sieve or silica gel to take turns core material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648488.4U CN207763195U (en) | 2017-11-30 | 2017-11-30 | A kind of new blower for heat recycling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721648488.4U CN207763195U (en) | 2017-11-30 | 2017-11-30 | A kind of new blower for heat recycling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207763195U true CN207763195U (en) | 2018-08-24 |
Family
ID=63189784
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| CN201721648488.4U Active CN207763195U (en) | 2017-11-30 | 2017-11-30 | A kind of new blower for heat recycling |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671775A (en) * | 2019-10-22 | 2020-01-10 | 中国建筑科学研究院有限公司 | Fresh air heat recovery device for ultralow-energy-consumption building |
| CN110749023A (en) * | 2019-12-02 | 2020-02-04 | 苏州格兰斯柯光电科技有限公司 | Fresh air system suitable for being used in cold regions and working method thereof |
| CN110986213A (en) * | 2019-11-11 | 2020-04-10 | 珠海格力电器股份有限公司 | Fresh air system with heat exchange core and air conditioner |
| WO2024093453A1 (en) * | 2022-10-31 | 2024-05-10 | 广东美的暖通设备有限公司 | Air treatment apparatus |
-
2017
- 2017-11-30 CN CN201721648488.4U patent/CN207763195U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110671775A (en) * | 2019-10-22 | 2020-01-10 | 中国建筑科学研究院有限公司 | Fresh air heat recovery device for ultralow-energy-consumption building |
| CN110986213A (en) * | 2019-11-11 | 2020-04-10 | 珠海格力电器股份有限公司 | Fresh air system with heat exchange core and air conditioner |
| CN110749023A (en) * | 2019-12-02 | 2020-02-04 | 苏州格兰斯柯光电科技有限公司 | Fresh air system suitable for being used in cold regions and working method thereof |
| CN110749023B (en) * | 2019-12-02 | 2024-04-12 | 浙江格兰斯柯智能科技有限公司 | Fresh air system suitable for cold areas and working method thereof |
| WO2024093453A1 (en) * | 2022-10-31 | 2024-05-10 | 广东美的暖通设备有限公司 | Air treatment apparatus |
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