CN204923255U - Air purifier - Google Patents
Air purifier Download PDFInfo
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- CN204923255U CN204923255U CN201520618338.3U CN201520618338U CN204923255U CN 204923255 U CN204923255 U CN 204923255U CN 201520618338 U CN201520618338 U CN 201520618338U CN 204923255 U CN204923255 U CN 204923255U
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Abstract
The utility model relates to an air purifier mainly includes a casing and installs electrical system, filtration system and the fan system in the casing. The fan system comprises wind channel cavity and the centrifugal fan that lies in wherein, and the wind channel chamber wall of wind channel cavity sets up perpendicularly between upper and lower apron, in the position of air outlet, upper cover plate and apron or one of them formation down set up at least one protruding to in fender in the cavity structures of wind channel flows the board. The utility model is used for air purifier carries out the optimal design to the fan system, and the same conditions can effectively reduce the loss and the noise at work of fan system down, provides better use comfort.
Description
Technical field
The utility model relates to air cleaner apparatus field, particularly relates to the air cleaner adopting centrifugal fan to build fan system.
Background technology
Air cleaner is also known as " air cleaner ", refer to and can adsorb, decompose or transform the product that various air pollutants effectively improve air cleanliness, the air pollution problem inside rooms that the finishing pollution, bacterium, anaphylactogen etc. that are mainly used in solving PM2.5, dust, pollen, peculiar smell, formaldehyde and so on cause.
Existing air cleaner, mainly comprise electric-control system and filtration system and fan system, electric-control system is for controlling fan system work and providing extra additional function, as ozonization, ultraviolet disinfection etc., filtration system is for tackling the contaminant particle of air, and fan system is used for air is blown out via after filtration system.
Existing air cleaner many employings centrifugal fan builds its fan system, and this system includes an air channel cavity body structure and is arranged on a centrifugal fan in this air channel cavity body structure.Along with people improve constantly the user demand of air cleaner, its noise reduction, energy saving requirement are also improved thereupon, also requirements at the higher level are proposed to its fan system.Fan system mainly contains whirlpool tongue vibration noise and eddy current crack, and whirlpool tongue vibration noise results from the impact of air-flow to whirlpool tongue, and air outlet place wind direction too concentrates also impact air-supply effect.
For the problems referred to above, the many employings of prior art arrange sound-absorbing material or increase the method such as silencing means, the method complex structure and with high costs, therefore optimize air channel cavity body structure with noise decrease, to promote air-supply comfort level very necessary.
Summary of the invention
The utility model aims to provide the air cleaner that a kind of fan system is optimized, to solve the problems such as the large and blower fan energy loss of existing air cleaner noise is large.
For achieving the above object, concrete scheme is as follows:
Air cleaner, mainly comprises a housing and is arranged on electric-control system in housing and filtration system and fan system; Described fan system includes an air channel cavity body structure and is arranged on a centrifugal fan in this air channel cavity body structure; Described air channel cavity body structure comprises upper cover plate, lower cover and arranges with vertical and chamber, the air channel wall being looped around centrifugal fan periphery, chamber, described air channel wall is not exclusively closed, and be connected to an air outlet, at described air outlet position, described upper cover plate and lower cover or one of them formed and arrange that at least one is convex in the flow-stopping plate in the cavity body structure of described air channel.
Further, described flow-stopping plate is arranged perpendicular to described upper cover plate and lower cover.
Further, the air outlet wall of described air outlet both sides is stretched out by described chamber, air channel wall respectively to be formed respectively, air outlet wall wherein described in side is whirlpool tongue, the described air outlet wall being positioned at described whirlpool tongue relative position is backboard portion, described flow-stopping plate favours described backboard portion and arranges, its specifically, on the outflow direction of wind, described flow-stopping plate reduces gradually apart from the vertical range in described backboard portion.
Further, described flow-stopping plate is flow-stopping plate upper end edge relative to the face of its upper cover plate depended on or lower cover, and the end face that described upper end edge is parallel to described centrifugal fan is arranged.
When air-flow by described centrifugal fan send flow through described air outlet time, fraction stops and drainage by described flow-stopping plate, and reduction of speed also changes direction thus flows out along described backboard portion.Under the prerequisite not affecting fan system air accumulation ability, reach the object reducing directly to impact whirlpool tongue throughput, and make described air outlet place air-flow more even.
Further, in the side near described centrifugal fan, the upper cover plate described in described flow-stopping plate depends at it or the starting point of lower cover are obliquely installed with one the upper end edge that side is attached to described flow-stopping plate.Namely the flow-stopping plate upper end edge described in described upper cover plate or lower cover connect with round and smooth transient mode, avoids the existence of horn structure in air-flow, to reach the effect of low noise water conservancy diversion.
Further, chamber, described air channel wall forms one or more breach, by arranging this breach, improve air channel cavity body structure, form the chamber, air channel of large-little-large change of a volume, impel air whirl and eddy current crack to produce in the cavity of soundproof effect better air channel in advance, reach and reduce wind and to make an uproar object.
Further, form a vertically disposed annular at described upper cover plate and lower cover or one of them and close wall, this annular closed-wall face corresponds to the outer border of this centrifugal fan.By on centrifugal fan below or the two corresponding annular be set close wall, blocked high-speed gas and be trapped in described air channel cavity internal circulation flow passage, reduced howling to reach, reduce blower fan loss object.
Further, described backboard portion adopts outside inclined open type, and described lower cover forms a downhill sections at air outlet position, and corresponding described upper cover plate also forms a descending portion at air outlet position.Tuyere structure arranges the air outlet design of such descending, and air outlet, further to air-flow guiding, reaches homogenize air-out and reduces the effect of the outflow of noise.
Further, chamber, above-mentioned air channel wall is arranged perpendicular to described upper cover plate or described lower cover.
Further, above-mentioned upper cover plate, above-mentioned lower cover all arrange described annular closing face.
Further, above-mentioned breach is arranged on the position of the relative side of air outlet.
Beneficial effect: air cleaner of the present utility model is by fan system optimal design, and air outlet place arranges flow-stopping plate scheme, reduces the generation of exit airborne noise, optimize gas flow channel in the cavity of air channel, reach reduction noise, reduce blower fan loss, improve the effect of air-out.
Accompanying drawing explanation
Fig. 1 shows the perspective view of the air cleaner of embodiment 1 of the present utility model;
Fig. 2 shows and removes air channel cavity perspective view after upper cover according to the air cleaner of Fig. 1;
Fig. 3 shows and removes cavity air outlet place, air channel perspective view after upper cover according to the air cleaner of Fig. 1;
Fig. 4 shows the perspective view of the air cleaner of embodiment 2 of the present utility model;
Fig. 5 shows and removes cavity air outlet place, air channel perspective view (angle one) after upper cover according to the air cleaner of Fig. 4;
Fig. 6 show according to the air cleaner of Fig. 4 remove upper cover after, chamber, air channel wall indentation, there perspective view;
Fig. 7 shows and removes air channel cavity perspective view after upper cover according to the air cleaner of Fig. 4;
Fig. 8 shows and removes cavity air outlet place, air channel perspective view (angle two) after upper cover according to the air cleaner of Fig. 4;
Fig. 9 shows the upward view of embodiment two of the present utility model;
Figure 10 shows the cross section view of Fig. 9 along A-A line.
Detailed description of the invention
For further illustrating each embodiment, the invention provides drawings attached.These accompanying drawings are a part for disclosure of the present invention, and it is mainly in order to illustrate embodiment, and the associated description of description can be coordinated to explain the operation principles of embodiment.Coordinate with reference to these contents, those of ordinary skill in the art will be understood that other possible embodiments and advantage of the present invention.Assembly in figure not drawn on scale, and similar element numbers is commonly used to assembly like representation class.
Now the present invention is further described with detailed description of the invention by reference to the accompanying drawings.
Embodiment 1:
Fig. 1 is the air cleaner of this embodiment, has the electric-control system of a housing and inside and filtration system and fan system.
Composition graphs 2 and Fig. 3, included an air channel cavity body structure by this fan system shown in figure and be arranged on a centrifugal fan 1 in this air channel cavity body structure, this air channel cavity body structure comprises upper cover plate (removing) and lower cover 3 and vertically arranges and be looped around chamber, the air channel wall 4 of centrifugal fan 1 periphery, this wall is not exclusively closed, and be connected to an air outlet 5, air outlet two side walls is respectively whirlpool tongue 6 and backboard portion 7, in position, air outlet 5 place, on lower cover 3 be shaped arrange one convex in the flow-stopping plate 8 in the cavity body structure of air channel; Flow-stopping plate 8 is arranged perpendicular to upper cover plate (not shown) and lower cover 3, and flow-stopping plate 8 favours backboard portion 7 arranges.The face of the relative lower cover 3 of flow-stopping plate 8 is the upper end edge 81 of flow-stopping plate, and the end face that upper end edge 81 is parallel to centrifugal fan 1 is arranged, and namely the upper end edge 81 of flow-stopping plate 8 is concordant, and lower end then changes according to the shape of lower cover 3.
In the side near centrifugal fan 1, flow-stopping plate 8 is be attached to upper end edge 81 with a circular arc side in the starting point of its lower cover 3 depended on.This circular arc side avoids the generation of air outlet place wedge angle, can reach the end make an uproar drainage guiding effect.
When air-flow by centrifugal fan 1 send flow through air outlet 5 time, fraction stops and drainage by flow-stopping plate 8, and reduction of speed also changes direction thus flows out along described backboard portion.The gas flow impacting whirlpool tongue 6 reduces, and can reach the effect of noise reduction.
Consult Fig. 2 again, can find out: on lower cover 3, form a vertically disposed annular close wall 31, the closed wall 31 of this annular corresponds to the outer border of this centrifugal fan 1.When centrifugal fan 1 rotates, after portion gas impacts chamber, air channel wall 4, commutation is flowed along the inner surface of lower cover 3 to the axle center of centrifugal fan 1, and the closed wall 31 of annular blocks the passage of this portion of gas flows and again changes its direction, thus avoid high velocity air to be stranded in chamber, air channel wall internal circulation flow, add described centrifugal fan 1 axle center place air accumulation ability simultaneously, reach the object reducing blower fan loss, reduce fan noise.
Embodiment 2:
Fig. 4 is the air cleaner of this embodiment, has the electric-control system of a housing and inside and filtration system and fan system.
Fig. 7 is the structure chart that fan system opens upper cover plate.Embodiment 2 basic structure is identical with embodiment 1, and difference from Example 1 is as follows:
Composition graphs 5, Fig. 6 and Fig. 7, can find out: this chamber, air channel wall 4 forms a breach 41, this breach 41 is arranged on the position of the relative side of air outlet 5, by arranging breach 41 on the wall of chamber, air channel, make cavity outside centrifugal blower 1, have greatly-little-large change, impel blade vortex to be transferred in the cavity of soundproof effect better described air channel to produce, reduce fan noise object to reach.And additionally can also form multiple such breach 41 on chamber, air channel wall 4, and be not limited only to one.
Composition graphs 7, Fig. 8, can find out in figure: distinguished and admirable go out direction on, backboard portion 7 outwards tiltedly opens, its concrete mode is: determine perspective plane with the starting point in the axle center of centrifugal fan 1 and backboard portion, on distinguished and admirable outgoing direction, the projection of backboard portion 7 on this perspective plane gradually away from figure in the axle center of centrifugal fan 1; This lower cover 3 along distinguished and admirable to gradually away from centrifugal fan 1 lower surface in air outlet 5 position, form a downhill sections 3A(Fig. 7 and also can find out); And this upper cover plate 2 of correspondence at air outlet position along distinguished and admirable to gradually near centrifugal fan 1 lower surface, form a downhill sections 2A; The wind that centrifugal fan 1 is sent, after air outlet 5, cannot directly be discharged, under the effect of downhill sections 2A and 3A, change flow direction, and air-flow is more even, and fan place noise also cannot directly be conveyed to outside air outlet, reaches low noise and the effect of evenly air-out.
Composition graphs 9, Figure 10, Figure 10 is the cross section view of embodiment 2 top view Fig. 9 along A-A line.Can find out in figure, upper surface 2 be vertically installed with the closed wall 21 of annular, lower surface 3 also vertically be arranged the closed wall 31 of annular, blocked high-speed gas in the cavity body structure of air channel and be back to the passage in the axle center of centrifugal fan 1, reach and reduce blower fan loss effect.
Although specifically show in conjunction with preferred embodiment and describe the present invention; but those skilled in the art should be understood that; not departing from the spirit and scope of the present invention that appended claims limits; can make a variety of changes the present invention in the form and details, be protection scope of the present invention.
Claims (10)
1. air cleaner, mainly comprise a housing and be arranged on the electric-control system in housing, filtration system and fan system, described fan system includes an air channel cavity body structure and is arranged on a centrifugal fan in this air channel cavity body structure, described air channel cavity body structure comprises upper cover plate and lower cover and is looped around chamber, the air channel wall of centrifugal fan periphery, chamber, described air channel wall is not exclusively closed, and be connected to an air outlet, it is characterized in that: in the position of described air outlet, described upper cover plate and lower cover or one of them arrange that at least one is convex in the flow-stopping plate in the cavity body structure of described air channel.
2. air cleaner according to claim 1, is characterized in that: described flow-stopping plate is arranged perpendicular to described upper cover plate and lower cover.
3. air cleaner according to claim 1, it is characterized in that: the air outlet wall of described air outlet both sides is stretched out by described chamber, air channel wall to be formed respectively, air outlet wall wherein described in side is whirlpool tongue, the described air outlet wall being positioned at described whirlpool tongue relative position is backboard portion, described flow-stopping plate favours described backboard portion and arranges, it specifically, on the outflow direction of wind, described flow-stopping plate reduces gradually apart from the vertical range in described backboard portion.
4. air cleaner according to claim 3, it is characterized in that: described backboard portion adopts outside inclined open type, described lower cover forms a downhill sections in the position of air outlet, and corresponding described upper cover plate also forms a downhill sections in the position of air outlet.
5. air cleaner according to claim 1, is characterized in that: described flow-stopping plate is flow-stopping plate upper end edge relative to the face of its upper cover plate depended on or lower cover, and the end face that described upper end edge is parallel to described centrifugal fan is arranged.
6. air cleaner according to claim 5, it is characterized in that: in close described centrifugal fan side, the upper cover plate described in described flow-stopping plate depends at it or the starting point of lower cover are obliquely installed with one the upper end edge that side is attached to described flow-stopping plate.
7. air cleaner according to claim 1, is characterized in that: described chamber, air channel wall is vertically installed between described upper cover plate and lower cover.
8. air cleaner according to claim 1, is characterized in that: described chamber, air channel wall also forms at least one breach.
9. air cleaner according to claim 8, is characterized in that: described breach is arranged on the position of side relative to described air outlet.
10. air cleaner according to claim 1, is characterized in that: form a vertically disposed annular at described upper cover plate and lower cover or one of them and close wall, described annular closed-wall face corresponds to the outer border of described centrifugal fan.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618338.3U CN204923255U (en) | 2015-08-17 | 2015-08-17 | Air purifier |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520618338.3U CN204923255U (en) | 2015-08-17 | 2015-08-17 | Air purifier |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204923255U true CN204923255U (en) | 2015-12-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520618338.3U Active CN204923255U (en) | 2015-08-17 | 2015-08-17 | Air purifier |
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| Country | Link |
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| CN (1) | CN204923255U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524264A (en) * | 2016-12-27 | 2017-03-22 | 广东美的厨房电器制造有限公司 | Extractor hood |
| CN110219830A (en) * | 2019-06-25 | 2019-09-10 | 深圳市普瑞美泰技术有限公司 | Centrifugal air duct structure, centrifugal blower and air cleaning facility |
-
2015
- 2015-08-17 CN CN201520618338.3U patent/CN204923255U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106524264A (en) * | 2016-12-27 | 2017-03-22 | 广东美的厨房电器制造有限公司 | Extractor hood |
| CN110219830A (en) * | 2019-06-25 | 2019-09-10 | 深圳市普瑞美泰技术有限公司 | Centrifugal air duct structure, centrifugal blower and air cleaning facility |
| CN110219830B (en) * | 2019-06-25 | 2024-04-05 | 深圳市普瑞美泰技术有限公司 | Centrifugal air duct structure, centrifugal fan and air purification equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20180426 Address after: 361000 unit 301, No. 26, Xiang Hong Road, Xiamen torch high tech Zone (Xiangan) Industrial Zone, Fujian Patentee after: Xiamen Wei Ke Health Industry Co., Ltd. Address before: 361000 Xiamen, Fujian Torch High-tech Zone (Xiangan) Industrial Zone, Xiang Hong Road 16, 102, 202 units Patentee before: XIAMEN WEIKE HEALTH TECHNOLOGY CO., LTD. |