CN105020870B - Air-conditioning and its air refreshing device, induced air nozzle - Google Patents
Air-conditioning and its air refreshing device, induced air nozzle Download PDFInfo
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- CN105020870B CN105020870B CN201510381619.6A CN201510381619A CN105020870B CN 105020870 B CN105020870 B CN 105020870B CN 201510381619 A CN201510381619 A CN 201510381619A CN 105020870 B CN105020870 B CN 105020870B
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- air
- inner cylinder
- kuppe
- outer barrel
- opening
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
- F24F13/00—Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
- F24F13/02—Ducting arrangements
- F24F13/06—Outlets for directing or distributing air into rooms or spaces, e.g. ceiling air diffuser
- F24F2013/0612—Induction nozzles without swirl means
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Duct Arrangements (AREA)
Abstract
The present invention proposes a kind of air-conditioning and its air refreshing device, induced air nozzle, which includes：Hollow inner cylinder, inner flow passage is limited in inner cylinder, has connect with inner flow passage first to be open on the peripheral wall of inner cylinder；One end of neighbouring first opening of kuppe closing inner cylinder；Outer barrel, outer barrel are set in the outside of inner cylinder and at least part kuppe, have the second opening on the peripheral wall of outer barrel；Multiple connecting tubes, multiple connecting tubes are located between inner cylinder and outer barrel and circumferentially spaced, respectively with the first opening and the second open communication to limit the inlet channel connected outside inner flow passage and outer barrel inside connecting tube, and the sprue of annular is limited between the outer wall of outer barrel, inner cylinder and connecting tube；Wherein kuppe is configured to air be guided to spray out of sprue when air blows to its and the air in inner flow passage is driven to accelerate outflow.Induced air nozzle according to embodiments of the present invention, can increase the circulation of air in a room.
Description
Technical field
The present invention relates to air-conditioning technical field, more particularly, to a kind of air-conditioning and its air refreshing device, induced air nozzle.
Background technology
At present, air-conditioning is widely available, becomes one of common household electrical appliance of the daily house life of people.But if people
It stays in air-conditioned room for a long time, the malaise symptoms such as headache, dizziness, nervous, powerless would tend to occur, these malaise symptoms are main
It is because air-conditioned room closing, room air are not circulated caused by causing room air anion rareness.
Invention content
The present invention is directed at least solve one of technical problem in the prior art.For this purpose, the present invention proposes that one kind lures
Wind-guiding nozzle, the induced air nozzle can promote room air to circulate.
The invention also provides a kind of air refreshing devices of the air-conditioning with the induced air nozzle.
The invention also provides a kind of air-conditionings of the air refreshing device with the air-conditioning.
Induced air nozzle according to embodiments of the present invention, including：Hollow inner cylinder limits inner flow passage in the inner cylinder,
There is the first opening connected with the inner flow passage on the peripheral wall of the inner cylinder；Kuppe, the kuppe close the inner cylinder
Neighbouring described first opening one end；Outer barrel, the outer barrel are set in the inner cylinder and at least part kuppe
Outside has the second opening on the peripheral wall of the outer barrel；Multiple connecting tubes, the multiple connecting tube are located at the inner cylinder and outer barrel
Between and it is circumferentially spaced, respectively with the described first opening and second open communication to limit inside the connecting tube
Inlet channel connect outside the inner flow passage and the outer barrel, and the outer barrel, the inner cylinder and the connecting tube outside
The sprue of annular is limited between wall；Wherein described kuppe is configured to guide air from the master when air blows to its
It is sprayed in runner and the air in the inner flow passage is driven to accelerate outflow.
Induced air nozzle according to embodiments of the present invention, for air-flow when flowing to kuppe, kuppe guides air-flow along water conservancy diversion
Cover outer surface sprays into sprue and flows out at a high speed, while the air in inner flow passage can be driven to accelerate flowing, can not only increase as a result,
Add the air output of induced air nozzle, and can increase the circulation of air in a room, and then improve indoor air quality.
According to some embodiments of the present invention, the kuppe is formed as curve form, and the kuppe with it is described interior
Tangent line at cylinder tie point is parallel with the peripheral wall of the outer barrel.
Optionally, the kuppe is formed as hemispherical shape, and the outer diameter of the outer diameter of the kuppe and the inner cylinder
It is equal.
According to some embodiments of the present invention, the connecting tube is multiple between the first opening and the second opening by being connected to
Wooden partition limits.
Optionally, the connecting tube is rectangular tube or round tube.
Optionally, position is corresponding in the circumferential with the described second opening for first opening.
According to some embodiments of the present invention, the multiple connecting tube is evenly-spaced circumferentially out.
According to some embodiments of the present invention, along the airflow direction, the sprue is located at the connecting tube downstream
The diameter of part be gradually reduced.
The invention also provides a kind of air refreshing device of the air-conditioning with the induced air nozzle, including：High pressure positive blower
With the induced air nozzle in above-described embodiment, the induced air nozzle is connected by connecting pipe with the high pressure positive blower.
Air refreshing device according to embodiments of the present invention from outdoor introduction and filters fresh air by high pressure positive blower, with
Increase the content of anion in room air, and it is sent to the room everywhere by the fresh air of introduction to pass through induced air nozzle, drive
Room air accelerates flowing, so as to improve indoor air quality.
The invention also provides a kind of air-conditionings of the air refreshing device with the air-conditioning.The air-conditioning can promote indoor sky
Gas accelerates flowing, to improve indoor air quality.
The additional aspect and advantage of the present invention will be set forth in part in the description, and will partly become from the following description
It obtains significantly or is recognized by the practice of the present invention.
Description of the drawings
The above-mentioned and/or additional aspect and advantage of the present invention will become in the description from combination accompanying drawings below to embodiment
Significantly and it is readily appreciated that, wherein：
Fig. 1 is the structure diagram of induced air nozzle according to embodiments of the present invention；
Fig. 2 is the structure diagram of the induced air nozzle of other direction according to embodiments of the present invention；
Fig. 3 is the front view of induced air nozzle according to embodiments of the present invention；
Fig. 4 is the left view of induced air nozzle according to embodiments of the present invention；
Fig. 5 is the right view of induced air nozzle according to embodiments of the present invention；
Fig. 6 is the sectional view of the line A-A along Fig. 3；
Fig. 7 is the sectional view of the line B-B along Fig. 4；
Fig. 8 is the sectional view of the line C-C along Fig. 3；
Fig. 9 is the sectional view of the line D-D along Fig. 3；
Figure 10 is the principle schematic of induced air nozzle according to embodiments of the present invention；
Figure 11 is the structure diagram of the air refreshing device of air-conditioning according to embodiments of the present invention.
Reference numeral：
100：Induced air nozzle
1：Inner cylinder, 11：First opening, 12：Inner flow passage；
2：Kuppe；
3：Outer barrel, 31：Second opening, 32：Input end, 33：The port of export；
4：Connecting tube, 41：Admission line；
5：Sprue；
200：The air refreshing device of air-conditioning；
6：High pressure positive blower；
7：Connecting pipe.
Specific embodiment
The embodiment of the present invention is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning to end
Same or similar label represents same or similar element or the element with same or like function.Below with reference to attached
The embodiment of figure description is exemplary, and is only used for explaining the present invention, and is not considered as limiting the invention.
In the description of the present invention, it is to be understood that term " " center ", " longitudinal direction ", " transverse direction ", " length ", " on ",
" under ", "front", "rear", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer ", " axial direction ", " radial direction ", " week
To " etc. instructions orientation or position relationship be based on orientation shown in the drawings or position relationship, be for only for ease of and describe this hair
It is bright to have specific orientation, with the device for simplifying description rather than instruction or hint meaning or element with specific orientation
Construction and operation, therefore be not considered as limiting the invention.In addition, term " first ", " second " are only used for description purpose,
And it is not intended that instruction or hint relative importance or the implicit quantity for indicating indicated technical characteristic.It limits as a result,
There is " first ", one or more this feature can be expressed or be implicitly included to the feature of " second ".In retouching for the present invention
In stating, unless otherwise indicated, " multiple " are meant that two or more.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected or be integrally connected；It can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in invention.
Induced air nozzle 100 according to embodiments of the present invention is described below with reference to Fig. 1-Figure 10.
As Figure 1-10 shows, induced air nozzle 100 according to embodiments of the present invention can include inner cylinder 1, kuppe 2, outer
Cylinder 3 and connecting tube 4.
With reference to as shown in figures 1 to 6, inner cylinder 1 is hollow structure, and inner flow passage 12, the peripheral wall of inner cylinder 1 are limited in inner cylinder 1
It is upper that there is the first opening 11 connected with inner flow passage 12.In the example of Fig. 1 and Fig. 6, inner cylinder 1 can be cylindrical shape, in neighbour
Being bordering on the peripheral wall of the inner cylinder 1 of wherein one end of inner cylinder 1 has the first opening 11, the first opening 11 and the inner flow passage in inner cylinder 1
12 connections.Optionally, the first opening 11 can be multiple, and multiple first openings 11 are along the circumferentially distributed of inner cylinder 1.2 envelope of kuppe
Close one end of neighbouring first opening 11 of inner cylinder 1, that is to say, that kuppe 2 closes inner flow passage 12 close to the first opening 11
One end.
Outer barrel 3 is set in the outside of inner cylinder 1 and at least part kuppe 2, has the second opening on the peripheral wall of outer barrel 3
31.As shown in Fig. 1-Figure 10,3 housing of outer barrel is spaced on inner cylinder 1 and kuppe 2 between outer barrel 3 and inner cylinder 1 and kuppe 2
It opens, the both ends of outer barrel 3 are unlimited, and outer barrel 3 is input end adjacent to one end of kuppe 2 (such as right end in Fig. 2 and Fig. 3)
32, the other end is the port of export 33 (such as left end in Fig. 2 and Fig. 3), and high-speed flow sprays into from the input end 32 of outer barrel 3 and from going out
It flows out at mouth end 33.Second opening 31 is located on the peripheral wall at adjacent entrance end 32 of outer barrel 3.Optionally, the second opening 31 can be more
It is a, 31 being circumferentially distributed on the peripheral wall of inner cylinder 1 along outer barrel 3 of multiple second openings.
Connecting tube 4 to be multiple, multiple connecting tubes 4 be located at it is between inner cylinder 1 and outer barrel 3 and circumferentially spaced, in connecting tube 4
Portion connects to limit the inlet channel that inner flow passage 12 is connected with 3 outside of outer barrel respectively with the first opening 11 and the second opening 31
41, and the sprue 5 of annular is limited between the outer wall of outer barrel 3, inner cylinder 1 and connecting tube 4.In this way, the connection of connecting tube 4 first
11 and second opening 31 of opening, inlet channel 41 is limited in connecting tube 4 and is connected outside inner flow passage 12 and outer barrel 3, and air-flow can be with
Sprue 5 is flowed into from the input end 32 of outer barrel 3, the gas outside outer barrel 3 is driven to flow into inner flow passage 12 from inlet channel 41.
Kuppe 2 is configured to air be guided to spray out of sprue 5 when air blows to its and drive in inner flow passage 12
Air accelerate outflow.When air-flow blows to kuppe 2, kuppe 2 guide air-flow from 32 high speed of input end of sprue 5 into
Enter, and gas outside outer barrel 3 is driven to sequentially enter admission line 41 from the second opening 31, flow into inner flow passage 12 and from inner flow passage
12 outflows.In this way, when induced air nozzle 100 works, high-speed flow enters sprue 5 by the input end 32 of sprue 5, and
Circular cylindrical jet flow is formed from the outflow of the port of export 33 of sprue 5, circular cylindrical jet flow passes through turbulent closure scheme active on boundary
And volume inhales gas in inner flow passage 12 and forms jet stream, cocurrent is downstream.So as to increase the air output of induced air nozzle 100, and then
Promote indoor air circulation.
Induced air nozzle 100 according to embodiments of the present invention, for air-flow when flowing to kuppe 2, kuppe 2 guides air-flow edge
2 outer surface of kuppe sprays into sprue 5 and flows out at a high speed, while the air in inner flow passage 12 can be driven to accelerate flowing, as a result, not
The air output of induced air nozzle 100 can only be increased, and can be increased the circulation of air in a room, and then improve room air product
Matter.
In some embodiments of the invention, kuppe 2 can be formed as curve form, and kuppe 2 is connect with inner cylinder 1
Tangent line at point is parallel with the peripheral wall of outer barrel 3.As shown in Figure 6 and Figure 7, kuppe 2 and the tie point of inner cylinder 1 are located in outer barrel 3,
Kuppe 2 is parallel with the peripheral wall of corresponding part outer barrel 3 with the tangent line at the tie point of inner cylinder 1, in this way, high-speed flow is by leading
It flows along the curved surface of kuppe 2 after stream cover 2, and is flowed along the direction that the tangent line at kuppe 2 and 1 tie point of inner cylinder extends, by
It is parallel with the peripheral wall of outer barrel 3 in the tangent line, so that air-flow, when flowing into sprue 5, the direction of air-flow flowing remains unchanged,
It can ensure the flow velocity of air-flow simultaneously.
In the example of Fig. 6 and Fig. 7, kuppe 2 is formed as hemispherical shape, and the outer diameter of kuppe 2 and inner cylinder 1 is outer
Diameter is equal.In this way, the tangent line at kuppe 2 and 1 tie point of inner cylinder may extend on the outer surface of inner cylinder 1, air-flow is led leaving
During stream cover 2, air-flow can be along the appearance surface flow of inner cylinder 1.As shown in Figure 6 and Figure 7, the first 11 Hes of opening of inner cylinder 1 are set in
Part outer barrel 3 on kuppe 2 is parallel with the peripheral wall of inner cylinder 1, that is to say, that in the first opening 11 and kuppe 2
The cross-sectional area of the part of sprue 5 is identical, and air-flow is when the input end 32 of sprue 5 flows as a result, the flowing of air-flow
Direction and flow remain unchanged, and disperse to avoid air-flow.
In some embodiments of the invention, connecting tube 4 can be by being connected between the first opening 11 and the second opening 31
Multiple wooden partitions limit.Inlet channel 41 is limited in multiple wooden partitions, to connect the outside of outer barrel 3 and inner flow passage 12, outer barrel as a result,
Air outside 3 flows into inner flow passage 12, and flow out from inner flow passage 12 from inlet channel 41.In some specific examples of the present invention
In, connecting tube 4 can be rectangular tube, i.e. connecting tube 4 can be made of 4 wooden partitions.Not only cause that connecting tube 4 is simple in structure as a result,
And convenient for the installation of connecting tube 4.Certainly, the present invention is not limited thereto, and connecting tube 4 may be formed as round tube.
As optional embodiment, the first opening 11 and the second opening 31 can correspond to position in the circumferential.That is,
First opening 11 corresponds on inner cylinder 1 with 31 position on outer barrel 3 of the second opening, consequently facilitating the connection of connecting tube 4 the
One opening 11 and the second opening 31.It is understood that the position of the first opening 11 and the second opening 31 can also be not corresponding
, for example, the second opening 31 can be located at the oblique upper of the first opening 11, oblique the first opening of connection 11 and the of connecting tube 4
Two openings 31, it is not shown.
In one embodiment of the invention, multiple connecting tubes 4 are evenly-spaced circumferentially out.That is, multiple
One opening 11 is uniformly distributed in the circumferential direction of the peripheral wall of inner cylinder 1, and the second opening 31 is uniformly divided in the circumferential direction of the peripheral wall of outer barrel 3
Cloth.In such as Fig. 1-example shown in Fig. 10, connecting tube 4 can be six, and six connecting tubes 4 are evenly-spaced circumferentially out.
With reference to as shown in Fig. 6, Fig. 7 and Figure 10, along airflow direction, sprue 5 positioned at the straight of the part in 4 downstream of connecting tube
Diameter is gradually reduced.That is, on the direction along the air flow direction port of export 33, positioned at 3 part of outer barrel in 4 downstream of connecting tube and
Interval between 1 part of inner cylinder is gradually reduced.In such as Fig. 6, Fig. 7 and example shown in Fig. 10, in 4 downstream of connecting tube
The cross-sectional area of 1 part of cylinder is constant, and the cross-sectional area positioned at 3 part of outer barrel in 4 downstream of connecting tube is gradually reduced, so that mainstream
The circulation area in road 5 is gradually reduced, and in tendencies toward shrinkage, in this way, in the case where the flow of air-flow is constant, the circulating face of air-flow
Product is reduced, and so as to improve flow velocity of the air-flow in sprue 5, promotes air-flow flowing.
One specific embodiment of induced air nozzle 100 according to the present invention is described below with reference to Fig. 1-Figure 10.
With reference to shown in Fig. 1-Figure 10, inner cylinder 1 is hollow structure, and inner flow passage 12, the peripheral wall of inner cylinder 1 are limited in inner cylinder 1
It is upper that there is the first opening 11.First opening 11 is connected with inner flow passage 12, and outer barrel 3 is set in inner cylinder 1 and at least part kuppe 2
Outside, there is on the peripheral wall of outer barrel 3 second opening 31.Connecting tube 4 is six, and six connecting tubes 4 are located at inner cylinder 1 and outer barrel 3
Between and it is circumferentially evenly-spaced, connect respectively with the first opening 11 and the second opening 31 inside connecting tube 4 interior to limit
The inlet channel 41 that runner 12 is connected with 3 outside of outer barrel, and limit ring between the outer wall of outer barrel 3, inner cylinder 1 and connecting tube 4
The sprue 5 of shape.
Kuppe 2 is formed as hemispherical shape, and the outer diameter of kuppe 2 is equal with the outer diameter of inner cylinder 1, and kuppe 2 with it is interior
Tangent line at 1 tie point of cylinder is parallel with the peripheral wall of outer barrel 3.Air-flow connects when flowing into sprue 5 along kuppe 2 and inner cylinder 1 as a result,
The tangential flow of junction, so that the direction of air-flow flowing remains unchanged, while can ensure the flow velocity of air-flow.
As shown in Fig. 6, Fig. 7 and Figure 10, along in air current flow direction, sprue 5 positioned at the part in 4 downstream of connecting tube
Diameter be gradually reduced.That is, on the direction of the air flow direction port of export 33, positioned at 3 part of outer barrel in 4 downstream of connecting tube
Interval between 1 part of inner cylinder is gradually reduced, and the sprue 5 positioned at 4 downstream of connecting tube is in tendencies toward shrinkage, the stream of sprue 5
Logical area gradually decreases, so as to accelerate the flowing of air-flow.
Induced air nozzle 100 according to embodiments of the present invention, air-flow when flowing to kuppe 2, kuppe 2 guide air-flow from
The input end 32 of outer barrel 3 flows into sprue 5, is flowed out from the port of export 33 of sprue 5, and the air in inner flow passage 12 is driven to accelerate
Flowing, can not only increase the air output of induced air nozzle 100, but also can increase the circulation of air in a room, Jin Erti as a result,
High indoor air quality.
The invention also provides a kind of air refreshing devices 200 of air-conditioning.In example as shown in figure 11, which renews
Wind apparatus 200 includes high pressure positive blower 6 and above-mentioned induced air nozzle 100, passes through company between high pressure positive blower 6 and induced air nozzle 100
Take over road 7 is connected, and from outdoor introduction and fresh air is filtered by high pressure positive blower 6 as a result, to increase anion in room air
Content, and it is sent to the room everywhere by the fresh air of introduction to pass through induced air nozzle 100, and room air is driven to accelerate flowing,
So as to improve indoor air quality.
The present invention has also been proposed a kind of air-conditioning of the air refreshing device 200 with the air-conditioning.The air-conditioning can promote interior
Air accelerate flowing, improve indoor air quality.
Other of air-conditioning according to embodiments of the present invention are formed and are operated for those of ordinary skills all
It is known, is not detailed herein.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ",
The description of " example ", " specific example " or " some examples " etc. means to combine specific features, the knot that the embodiment or example describe
Structure, material or feature are contained at least one embodiment of the present invention or example.In the present specification, to above-mentioned term
Schematic representation may not refer to the same embodiment or example.Moreover, specific features, structure, material or the spy of description
Point can in an appropriate manner combine in any one or more embodiments or example.
Although an embodiment of the present invention has been shown and described, it will be understood by those skilled in the art that：Not
In the case of being detached from the principle of the present invention and objective a variety of change, modification, replacement and modification can be carried out to these embodiments, this
The range of invention is limited by claim and its equivalent.
Claims (10)
1. a kind of induced air nozzle, which is characterized in that including：
Hollow inner cylinder limits inner flow passage in the inner cylinder, has what is connected with the inner flow passage on the peripheral wall of the inner cylinder
First opening；
Kuppe, the kuppe close one end of neighbouring described first opening of the inner cylinder；
Outer barrel, the outer barrel are set in the outside of the inner cylinder and at least part kuppe, on the peripheral wall of the outer barrel
With the second opening；
Multiple connecting tubes, the multiple connecting tube are located between the inner cylinder and outer barrel and circumferentially spaced, the connecting tube
It is internal to be connected outside the inner flow passage and the outer barrel with the described first opening and second open communication with limiting respectively
Inlet channel, and limited between the outer wall of the outer barrel, the inner cylinder and the connecting tube annular sprue；
Wherein described kuppe is configured to guiding air when air blows to its and is sprayed out of described sprue and described in driving
Air in inner flow passage accelerates outflow.
2. induced air nozzle according to claim 1, which is characterized in that the kuppe is formed as curve form, and institute
It states kuppe and the tangent line at the inner cylinder tie point is parallel with the peripheral wall of the outer barrel.
3. induced air nozzle according to claim 2, which is characterized in that the kuppe is formed as hemispherical shape, and
The outer diameter of the kuppe is equal with the outer diameter of the inner cylinder.
4. induced air nozzle according to claim 1, which is characterized in that the connecting tube is by being connected to the first opening and
Multiple wooden partitions between two openings limit.
5. induced air nozzle according to claim 4, which is characterized in that the connecting tube is rectangular tube or round tube.
6. induced air nozzle according to claim 4, which is characterized in that first opening and the described second opening are in week
Upward position corresponds to.
7. induced air nozzle according to claim 1, which is characterized in that the multiple connecting tube is evenly-spaced circumferentially
It opens.
8. the induced air nozzle according to any one of claim 1-7, which is characterized in that along airflow direction, the mainstream
The diameter positioned at the part in the connecting tube downstream in road is gradually reduced.
9. a kind of air refreshing device of air-conditioning, which is characterized in that including：
High pressure positive blower；
Induced air nozzle according to any one of claim 1-8, the induced air nozzle by connecting pipe with it is described
High pressure positive blower is connected.
10. a kind of air-conditioning, which is characterized in that include the air refreshing device of air-conditioning according to claim 9.
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| CN201510381619.6A CN105020870B (en) | 2015-06-30 | 2015-06-30 | Air-conditioning and its air refreshing device, induced air nozzle |
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| CN201510381619.6A CN105020870B (en) | 2015-06-30 | 2015-06-30 | Air-conditioning and its air refreshing device, induced air nozzle |
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| CN105020870B true CN105020870B (en) | 2018-06-29 |
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| CN105258312A (en) * | 2015-11-20 | 2016-01-20 | 广东美的制冷设备有限公司 | Nozzle structure, fresh air exchange device and air conditioner |
| CN105841232B (en) * | 2016-03-28 | 2019-05-31 | 广东美的制冷设备有限公司 | Blower part and air conditioner indoor unit applied to round air conditioner indoor unit |
| CN106885355B (en) * | 2017-02-22 | 2019-07-30 | 美的集团股份有限公司 | Air-supply assembly and air conditioner |
| CN109489230A (en) * | 2018-11-12 | 2019-03-19 | 武城县冠智信息产业技术有限公司 | A kind of air diffuser of staggeredly wall rotation |
| JP7048477B2 (en) * | 2018-11-13 | 2022-04-05 | 本田技研工業株式会社 | Air outlet device |
| WO2022096016A1 (en) * | 2020-11-09 | 2022-05-12 | 宁波富佳实业股份有限公司 | Air guide structure and fan |
| CN114623501B (en) * | 2020-12-11 | 2023-07-21 | 广东美的白色家电技术创新中心有限公司 | Air conditioner indoor unit and air conditioner |
| CN114623499B (en) * | 2020-12-11 | 2023-07-21 | 广东美的白色家电技术创新中心有限公司 | Air conditioner indoor unit and air conditioner |
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