CN103375895A - Air supply device of air conditioner - Google Patents
Air supply device of air conditioner Download PDFInfo
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- CN103375895A CN103375895A CN2013101326051A CN201310132605A CN103375895A CN 103375895 A CN103375895 A CN 103375895A CN 2013101326051 A CN2013101326051 A CN 2013101326051A CN 201310132605 A CN201310132605 A CN 201310132605A CN 103375895 A CN103375895 A CN 103375895A
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- conditioner
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Abstract
The invention discloses an air supply device of an air conditioner. The air supply device comprises a non-circular cover, a through air passage penetrating through the non-circular cover is formed in the middle of the non-circular cover, and a non-circular opening communicating an internal air passage of the air conditioner with the through air passage is formed in the wall of the non-circular cover. After the air supply device is used in the air conditioner, inlet air amount of the air conditioner is increased, indoor air flowing is accelerated, tenderness of outlet air of the air conditioner can be improved, and user comfortableness, experience and effect are improved.
Description
Technical field
The invention belongs to the air-conditioning technique field, specifically, relate to a kind of air-conditioner air supply device.
Background technology
Vertical air conditioner air channel structure on the existing market generally all is comprised of air inlet, centrifugal blower, evaporimeter and air outlet.Room air enters air-conditioning inside from air inlet, and after the centrifugal blower CENTRIFUGAL ACCELERATING, air carries out heat exchange through evaporimeter, and the air after the heat exchange is blowed to indoor again by air outlet, realize the purpose of air-conditioning.
Because existing vertical air conditioner only can be sent out the air after the evaporimeter heat exchange, the wind of sending is soft not.Especially under refrigeration mode, the air temperature that air-conditioning is sent is lower, and the cool breeze that this temperature is lower directly blows to it the user, and meeting is so that the old man user of user, especially chilly feels extremely uncomfortable.And the wind-force size of producing by boasting from air outlet depends on the size of air-conditioning air inlet intake and the watt level of centrifugal blower fully, and itself can not increase intake volume, thereby room air mobile do not had obvious enhancing effect.
Summary of the invention
The present invention is directed to the problems referred to above of prior art existence and a kind of air-conditioner air supply device is provided, this device not only can increase intake, the acceleration indoor air flows of air-conditioning, and can improve the soft property of air conditioning exhausting, improves user's comfortableness experience effect.
For achieving the above object, the present invention adopts following technical proposals to be achieved:
A kind of air-conditioner air supply device comprises the other than ring type cover body, is formed with the perforation air channel of running through the other than ring type cover body in the middle of the described other than ring type cover body, is formed with the other than ring type opening that is communicated with the inner air channel of air-conditioning and described perforation air channel at described other than ring type cover body wall.
Aforesaid air-conditioner air supply device, for increasing the suction capactity to extraneous air, described other than ring type opening is preferably formed in the position, posterior segment of described other than ring type cover body wall.
Aforesaid air-conditioner air supply device, the width of described other than ring type opening account for the 1/8-3/4 of whole described other than ring type cover body width.
Preferably, the width of described other than ring type opening accounts for the 1/3-2/3 of whole described other than ring type cover body width.
Aforesaid air-conditioner air supply device, be the seal that improves the air channel and the assembling that makes things convenient for air-supply arrangement, described air-supply arrangement also comprises the other than ring type shell that is positioned at described other than ring type cover body periphery, described other than ring type cover body is connected with the sealing of described other than ring type shell rear and front end, the inner current stabilization air channel that forms, be formed with the heat exchange air import at described other than ring type shell wall, described current stabilization air channel is connected by the inner air channel of described heat exchange air import and described air-conditioning, described other than ring type opening is connected with described current stabilization air channel, and then is connected with the inner air channel of described air-conditioning through described current stabilization air channel.
Aforesaid air-conditioner air supply device, described heat exchange air import are preferably formed in position corresponding with described other than ring type opening on the described other than ring type shell wall.
Preferred, described heat exchange air import is a plurality of, intermittently is distributed on the described other than ring type shell wall.
Aforesaid air-conditioner air supply device, for guaranteeing the uniformity of diverse location import intake, the area of a plurality of described heat exchange air imports is not exclusively equal, and the import of area minimum is positioned at the bottom of described other than ring type shell, and the import of area maximum is positioned at the top of described other than ring type shell.
Aforesaid air-conditioner air supply device, for further improving the seal in air channel, described other than ring type cover body top is connected by the sealing of top connecting plate with described other than ring type shell top.
Aforesaid air-conditioner air supply device, for increasing the smoothness of Air Flow, described other than ring type cover body leading portion forms the inclination diversion division from backward front flaring.
Further, the front-end and back-end in described perforation air channel are respectively mixing air outlet and non-heat exchange air import, and the angle number of degrees between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet are 0-45 °.
Preferably, the angle number of degrees between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet are 5-10 °.
Aforesaid air-conditioner air supply device, the width of described inclination diversion division account for the 1/4-3/4 of whole described other than ring type cover body width.
Aforesaid air-conditioner air supply device, described inclination diversion division front end also has expansion mouth, and the angle between the bearing of trend of described expansion mouth and the air-flow direction from described non-heat exchange air import to described mixing air outlet is greater than the angle between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet.
Aforesaid air-conditioner air supply device, be stable and guiding Air Flow, be provided with one or more other than ring type flow deflectors at described other than ring type opening, described other than ring type flow deflector is divided into described other than ring type opening the other than ring type air outlet in the inner air channel of the described air-conditioning of a plurality of connections and described perforation air channel.
Preferably, for guaranteeing the air-out uniformity, the width of a plurality of described other than ring type air outlets equates.
Aforesaid air-conditioner air supply device, the width of each described other than ring type air outlet are 5-35mm.
Aforesaid air-conditioner air supply device when described other than ring type opening is provided with a plurality of other than ring type flow deflector, is further to guarantee the air-out uniformity, and a plurality of other than ring type flow deflectors are arranged in order with the tapering type structure of girth from front to back.
Aforesaid air-conditioner air supply device, for improving wind pushing performance, described other than ring type opening, described other than ring type flow deflector and described other than ring type air outlet all are continuous.
Preferably, described other than ring type cover body is the circular arc cover body.
Compared with prior art, advantage of the present invention and good effect are: use in air-conditioning after the air-conditioner air supply device of the present invention, when air-supply arrangement blows out the heat exchange air in the inner air channel of air-conditioning by its other than ring type opening through connecting the air channel front end, connect and form negative pressure in the air channel, the air of air-conditioning outside enters to connect the air channel and form mixing air with heat exchange air under the effect of negative pressure and blows out from connecting the air channel front end, such mixing air is comparatively soft, blow to the user and can feel more comfortable with it, improved user's comfortableness experience effect.Simultaneously, utilize suction function suction part outside that air-supply arrangement produces not the air of heat exchange participate in the last air-out of air-conditioning, increase the whole intake of air-conditioning, accelerated flowing of room air, further improved the whole uniformity of room air.
After reading the specific embodiment of the present invention by reference to the accompanying drawings, other characteristics of the present invention and advantage will become clearer.
Description of drawings
Fig. 1 is the structural representation with embodiment of air-conditioning of air-conditioner air supply device of the present invention;
Fig. 2 and Fig. 3 are respectively the perspective view of two different directions of Fig. 1 air-conditioner air supply device;
Fig. 4 is the cross-sectional structural representation of air-conditioner air supply device among Fig. 1.
The specific embodiment
Below in conjunction with the drawings and specific embodiments technical scheme of the present invention is described in further detail.
At first, a brief description made in the term that relates in this specific embodiment: following mentioning each structural member front end or during the rear end, be to define with the position with respect to the user under the structural member normal operating condition; During description before or after carrying out for the arrangement position of a plurality of structural members, it also is the definition of under normal operating condition, being done with respect to user's position with the device that a plurality of structural members consist of.Following heat exchange air refers to the air of air-conditioning inside after the evaporimeter heat exchange; Non-heat exchange air refers to the air from air-conditioning environment space of living in, is for heat exchange air, is not the part air that directly comes from evaporimeter.Following acyclic refers to the not a kind of non-enclosed construction of looping sealing.
Please refer to Fig. 1, this Figure 1 shows that the structural representation of the embodiment of air-conditioning with air-conditioner air supply device of the present invention.
As shown in Figure 1, the air-conditioning of this embodiment includes air-conditioning body 1, air-conditioning body 1 comprises front panel 11, postnotum 12, Left-Hand Panel, right panel and top board and the base plate (not marking among the figure) of the housing that consists of air-conditioning body 1, and housing defines the air channel, inside 15 of air-conditioning body 1.In inner air channel 15, be provided with centrifugal blower 17, evaporimeter 16 and air-conditioner air supply device 10 from bottom to top.Wherein, the structure of air-conditioner air supply device 10 please refer to Fig. 2 to shown in Figure 4.
Illustrate such as the stereogram of Fig. 2, Fig. 3 and the cross-sectional structure chart of Fig. 4, simultaneously in conjunction with illustrated in Figure 1.Air-conditioner air supply device 10 among this embodiment includes other than ring type cover body 101, is formed with the perforation air channel (not marking among the figure) that connects whole other than ring type cover body 101 in the middle of the other than ring type cover body 101.Connect the front end in air channel, also be that the front end of other than ring type cover body 101 forms mixing air outlet 1016, connect the rear end in air channel, also be that the rear end of other than ring type cover body 101 forms non-heat exchange air import 1017.On the wall of other than ring type cover body 101, be to offer continuous other than ring type opening 1011 in the position, posterior segment of other than ring type cover body 101 walls specifically.Air-conditioner air supply device 10 also includes the other than ring type shell 103 that is positioned at other than ring type cover body 101 peripheries, and other than ring type cover body 101 is connected the inner current stabilization air channel 104 that forms with the sealing of other than ring type shell 103 rear and front ends.Be formed with heat exchange air import 1031 at other than ring type shell 103 walls, current stabilization air channel 104 is connected by heat exchange air import 1031 and the inner air channel 15 of air-conditioning, and is connected with perforation air channel 102 by the other than ring type opening 1011 on the other than ring type cover body 101.
By this other than ring type shell 103 is set, when being assembled to air-conditioner air supply device 10 on the air-conditioning body 1, can be directly that other than ring type shell 103 is fixing with front panel 11 and the postnotum 12 of air-conditioning body 1, it is extremely convenient to assemble.And, by other than ring type shell 103 is set, is convenient to air-conditioner air supply device 10 and realizes sealed the connection with the air channel, inside 15 of air-conditioning body 1, the heat exchange air that is beneficial in the inner air channel 15 blows out from air-conditioner air supply device 10 with enough speed.
In addition, for further improving the seal in air channel, the air-conditioner air supply device 10 of this embodiment also is provided with the top connecting plate 106 that is connected is sealed with other than ring type shell 103 tops in other than ring type cover body 101 tops, and then the top of current stabilization air channel 104 at air-conditioner air supply device 10 sealed, further improved the flowing velocity of heat exchange air.
For reducing air stream through the path and heat transfer losses, the heat exchange air import 1031 of offering on other than ring type shell 103 walls is preferably formed on other than ring type shell 103 walls position corresponding with the other than ring type opening 1011 of other than ring type cover body 101.For example, if other than ring type opening 1011 is positioned at the posterior segment of other than ring type cover body 101 walls, then heat exchange air import 1031 also is positioned at the posterior segment of other than ring type shell 103 walls.Heat exchange air import 1031 can be one continuous opening offering on other than ring type shell 103 walls, but preferred employing intermittently is distributed in a plurality of openings on other than ring type shell 103 walls, shown in 3.And for guaranteeing the uniformity of the air that each heat exchange air import 1031 enters, the area of a plurality of heat exchange air imports 1031 is preferably not exclusively and equates (area equates in this embodiment).And when each inlet-duct area not exclusively equated, the import of area minimum was positioned at other than ring type shell 1031 near the bottom of evaporimeter 16, and the import of area maximum is positioned at the top away from evaporimeter 16.Heat exchange air import 1031 can be adopted as shown in this embodiment run-track shaped, certainly, also can be other shapes such as circular or oval.
For flowing, be convenient to guide simultaneously air, stable air flows along assigned direction, be provided with a plurality of continuous other than ring type flow deflectors 1012 at other than ring type opening 1011, a plurality of other than ring type flow deflectors 1012 are divided into the inner air channel 15 of a plurality of connections with other than ring type opening 1011 and connect the continuous type other than ring type air outlet 1013 in air channel.A plurality of other than ring type flow deflector 1012 spaced sets are so that the width W 3 of each other than ring type air outlet 1013 is equal, to guarantee the uniformity of air-out.And (also i.e. direction along other than ring type cover body 101 front ends to the rear end) tapering type structure of girth is arranged in order a plurality of other than ring type flow deflectors 1012 with from front to back, with the air-out uniformity of further each annular air outlet of assurance.
Corresponding with the structure of air-conditioner air supply device 10, offer mixing air outlet 111 on the top of front faceplate of air-conditioner 11, on air-conditioning postnotum 12 tops, export 111 corresponding positions and offer non-heat exchange air import 121 with mixing air on the front panel 11.When being assembled to air-conditioner air supply device 10 in the air-conditioning, the non-heat exchange air import 1017 of the mixing air of other than ring type cover body 101 front ends outlet 1016 and rear end respectively with front panel 11 on mixing air outlet 111 and the 121 corresponding sealings connections of the non-heat exchange air import on the postnotum 12.
In air-conditioning, adopt after the air-conditioner air supply device 10 of said structure, during operation of air conditioner, room air from air-conditioning postnotum 12 belows or the air inlet offered of Left-Hand Panel and right panel below (be existing structure, not shown) enter air-conditioner housing inside, under the effect of centrifugal blower 17, acceleration blows to evaporimeter 16 and carries out heat exchange, air after the heat exchange internally air channel 15 blows to each other than ring type air outlet 1013, and then final mixing air outlet 111 from front panel 11 blows out after connecting the air channel.Meanwhile, connect and form negative pressure in the air channel, the room air of air-conditioning outside will enter from the non-heat exchange air import 121 on the postnotum 12 and connect the air channel, and pass out to indoor after the heat exchange air that other than ring type air outlet 1013 blows out forms mixing air under the effect of negative pressure.Such mixing air is comparatively soft, blows to the user and can feel more comfortable with it, has improved user's comfortableness experience effect.Simultaneously, utilize the non-heat exchange air of the suction function suction part outside that air air-supply arrangement 10 produces to participate in the last air-out of air-conditioning, increase the whole intake of air-conditioning, accelerated flowing of room air, further improved the whole uniformity of room air.
The purpose of considering air-conditioning mainly is to send the air of suitable temperature to improve user's comfortableness, and the width W 2 of other than ring type opening 1011 should not be too little, and preferred W2 accounts for the 1/8-3/4 of whole other than ring type cover body 101 width W 1.More excellent, select its width W 2 to be the 1/3-2/3 of other than ring type cover body 101 width W 1.Here the width of the width of said other than ring type cover body 101 and other than ring type opening 1011 all refers to along the width of other than ring type cover body 101 wall directions.
In addition, consider the fluency of air-out, take into account simultaneously the overall aesthetics of air-conditioner air supply device 10, the quantity outbalance of other than ring type flow deflector 1012, and the setting of quantity can be determined according to the relation of the width between other than ring type air outlet 1013 and the whole other than ring type opening 1011.As optimal way, the width W 3 of each other than ring type air outlet 1013 is 5-35mm, and wherein 10-25mm is its preferred width range.After the width of other than ring type opening 1011 and other than ring type air outlet 1013 is determined, just can determine at other than ring type opening 1011 what other than ring type flow deflectors 1012 to be set.Wherein, the width of other than ring type air outlet 1013 also refers to along the width of other than ring type cover body 101 wall directions.
And, each other than ring type flow deflector 1012 all is obliquely installed with the direction with the mixing air outlet 1016 of the heat exchange air in the inner air channel 15 from 1013 drainages of other than ring type air outlet to other than ring type cover body 101 front ends, also be, in structure shown in Figure 4, other than ring type flow deflector 1012 arranges with the cumulative incline direction of girth from front to back.After such direction setting, heat exchange air will blow out from mixing air outlet 1016 under the water conservancy diversion of other than ring type flow deflector 1012 smoothly.And all other than ring type flow deflectors 1012 all arrange with identical incline direction and angle of inclination, to guarantee the air-out uniformity.
As more excellent embodiment, for increasing the smoothness of Air Flow, other than ring type cover body 101 leading portions form the inclination diversion division 1014 of horn mouth shape from backward front flaring.Front end at inclination diversion division 1014 also has expansion mouth 1015, this expansion mouth 1015 is as the front end of whole other than ring type cover body 101, form foremost the mixing air outlet 1016 of air-conditioner air supply device 10 at it, thereby improved the aesthetic property of whole annular cover body 101.At this moment, the front end of other than ring type shell 103 is connected with the front end sealing of expansion mouth 1015.Consider wind pushing performance and aesthetic property, the angle between the air-flow direction (direction shown in the wind direction arrow the figure) of the bearing of trend of inclination diversion division 1014 and the outlet 1016 from non-heat exchange air import 1017 to mixing air
The number of degrees be 0-45 °, preferred angle number is 5-10 °; The width W 4 of inclination diversion division 1014 accounts for the 1/3-3/4 of whole other than ring type cover body 101 width W 1.And the angle between the air-flow direction of the bearing of trend of expansion mouth 1015 and the outlet 1016 from non-heat exchange air import 1017 to mixing air
Greater than above-mentioned
, and differ 20-35 ° with two angles and be advisable.
The shape of the other than ring type cover body 101 in the air-conditioner air supply device 10 is preferably circular arc, and is corresponding, and the mixing air outlet 111 on the front panel 11 and the preferable shape of the non-heat exchange air import 121 on the postnotum 12 are circular arc.Certainly, the shape of other than ring type cover body 101 also can adopt the shape of elliptic arc or multistage broken line etc.
Air-conditioner air supply device 10 among this embodiment has the top connecting plate 106 that is connected is sealed with other than ring type shell 103 tops in other than ring type cover body 101 tops, so that 104 tops, current stabilization air channel are sealed.Sealed air-conditioner air supply device 10 for 104 tops, this current stabilization air channel, in the time of in being applied to air-conditioning body 1, air-conditioning body 1 can have top board (shown in Fig. 1 embodiment), also can not have top board, but with the top as whole air-conditioning body 1, the top of air-conditioner air supply device 10.Perhaps, when air-conditioning body 1 has top board, also top connecting plate 106 can be set in the air-conditioner air supply device 10, and other than ring type cover body 101 top boards and the other than ring type shell 103 tops top board direct and air-conditioning body 1 of air-conditioner air supply device 10 is fitted tightly, utilize top board to come sealed constant-current air channel 104, equally also can guarantee the seal in air channel.
Above embodiment is only in order to illustrating technical scheme of the present invention, but not limits it; Although with reference to previous embodiment the present invention is had been described in detail, for the person of ordinary skill of the art, still can make amendment to the technical scheme that previous embodiment is put down in writing, perhaps part technical characterictic wherein is equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution break away from the spirit and scope of the present invention's technical scheme required for protection.
Claims (20)
1. air-conditioner air supply device, it is characterized in that, described air-supply arrangement comprises the other than ring type cover body, is formed with the perforation air channel of running through the other than ring type cover body in the middle of the described other than ring type cover body, is formed with the other than ring type opening that is communicated with the inner air channel of air-conditioning and described perforation air channel at described other than ring type cover body wall.
2. air-conditioner air supply device according to claim 1 is characterized in that, described other than ring type opening is formed on the position, posterior segment of described other than ring type cover body wall.
3. air-conditioner air supply device according to claim 1 is characterized in that, the width of described other than ring type opening accounts for the 1/8-3/4 of whole described other than ring type cover body width.
4. air-conditioner air supply device according to claim 3 is characterized in that, the width of described other than ring type opening accounts for the 1/3-2/3 of whole described other than ring type cover body width.
5. air-conditioner air supply device according to claim 1, it is characterized in that, described air-supply arrangement also comprises the other than ring type shell that is positioned at described other than ring type cover body periphery, described other than ring type cover body is connected with the sealing of described other than ring type shell rear and front end, the inner current stabilization air channel that forms, be formed with the heat exchange air import at described other than ring type shell wall, described current stabilization air channel is connected by the inner air channel of described heat exchange air import and described air-conditioning, described other than ring type opening is connected with described current stabilization air channel, and then is connected with the inner air channel of described air-conditioning through described current stabilization air channel.
6. air-conditioner air supply device according to claim 5 is characterized in that, described heat exchange air import is formed on position corresponding with described other than ring type opening on the described other than ring type shell wall.
7. air-conditioner air supply device according to claim 6 is characterized in that, described heat exchange air import is a plurality of, intermittently is distributed on the described other than ring type shell wall.
8. air-conditioner air supply device according to claim 7, it is characterized in that, the area of a plurality of described heat exchange air imports is not exclusively equal, and the import of area minimum is positioned at the bottom of described other than ring type shell, and the import of area maximum is positioned at the top of described other than ring type shell.
9. each described air-conditioner air supply device in 8 according to claim 5 is characterized in that described other than ring type cover body top is connected by the sealing of top connecting plate with described other than ring type shell top.
10. air-conditioner air supply device according to claim 1 is characterized in that, described other than ring type cover body leading portion forms the inclination diversion division from backward front flaring.
11. air-conditioner air supply device according to claim 10, it is characterized in that, the front-end and back-end in described perforation air channel are respectively mixing air outlet and non-heat exchange air import, and the angle number of degrees between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet are 0-45 °.
12. air-conditioner air supply device according to claim 11 is characterized in that, the angle number of degrees between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet are 5-10 °.
13. air-conditioner air supply device according to claim 10 is characterized in that, the width of described inclination diversion division accounts for the 1/4-3/4 of whole described other than ring type cover body width.
14. each described air-conditioner air supply device in 13 according to claim 10, it is characterized in that, described inclination diversion division front end also has expansion mouth, and the angle between the bearing of trend of described expansion mouth and the air-flow direction from described non-heat exchange air import to described mixing air outlet is greater than the angle between the bearing of trend of described inclination diversion division and the air-flow direction from described non-heat exchange air import to described mixing air outlet.
15. according to claim 1 or 5 or 10 described air-conditioner air supply devices, it is characterized in that, be provided with one or more other than ring type flow deflectors at described other than ring type opening, described other than ring type flow deflector is divided into described other than ring type opening the other than ring type air outlet in the inner air channel of the described air-conditioning of a plurality of connections and described perforation air channel.
16. air-conditioner air supply device according to claim 15 is characterized in that, the width of a plurality of described other than ring type air outlets equates.
17. air-conditioner air supply device according to claim 16 is characterized in that, the width of each described other than ring type air outlet is 5-35mm.
18. air-conditioner air supply device according to claim 15 is characterized in that, when described other than ring type opening was provided with a plurality of other than ring type flow deflector, a plurality of other than ring type flow deflectors were arranged in order with the tapering type structure of girth from front to back.
19. air-conditioner air supply device according to claim 15 is characterized in that, described other than ring type opening, described other than ring type flow deflector and described other than ring type air outlet all are continuous.
20. air-conditioner air supply device according to claim 1 is characterized in that, described other than ring type cover body is the circular arc cover body.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310132605.1A CN103375895B (en) | 2013-04-17 | 2013-04-17 | A kind of air-conditioner air supply device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310132605.1A CN103375895B (en) | 2013-04-17 | 2013-04-17 | A kind of air-conditioner air supply device |
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| CN103375895A true CN103375895A (en) | 2013-10-30 |
| CN103375895B CN103375895B (en) | 2015-12-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107816788A (en) * | 2016-09-12 | 2018-03-20 | 珠海格力电器股份有限公司 | A kind of exhaust apparatus and cabinet air-conditioner |
| CN116379539A (en) * | 2023-05-17 | 2023-07-04 | 南通理工学院 | Soft ventilation fresh air system for intelligent building |
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| CN116379539A (en) * | 2023-05-17 | 2023-07-04 | 南通理工学院 | Soft ventilation fresh air system for intelligent building |
| CN116379539B (en) * | 2023-05-17 | 2023-10-13 | 南通理工学院 | Soft ventilation fresh air system for intelligent building |
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| Publication number | Publication date |
|---|---|
| CN103375895B (en) | 2015-12-02 |
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