CN206944426U - Air duct noise-reducing structure - Google Patents
Air duct noise-reducing structure Download PDFInfo
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- CN206944426U CN206944426U CN201720547653.0U CN201720547653U CN206944426U CN 206944426 U CN206944426 U CN 206944426U CN 201720547653 U CN201720547653 U CN 201720547653U CN 206944426 U CN206944426 U CN 206944426U
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Abstract
The utility model discloses a kind of air duct noise-reducing structure, novel conical surface arc/circular platform type wind-guiding face is devised in wherein improved air duct noise-reducing structure, air inlet is opened up in wind-guiding face, cheese/arc air-inlet grille is additionally provided with wind-guiding face, air intake passage wind is made an uproar significantly reduces, the air duct noise-reducing structure includes covering on air channel, EPP, electric machine assembly, air channel lower cover EPP are covered on air channel, air channel lower cover, air-inlet grille etc. are used for the connection member for fixing air channel.The connection member includes stud and cushioning piece of fastening electric motor damping structure etc..Air circulation is advantageous to using the circular platform type wind-guiding face of indent in the utility model air channel structure, additional filter screen uniformly introduces air-flow, significantly reduces air flow noise.Air channel structure is simple, and cost is low, and universality is strong, the design and installation in air channel suitable for various electrical equipment, and being particularly suitable for use in needs to reduce vibrations and reduce the household electrical appliance of noise, such as air purifier, new blower fan, air-conditioning etc..
Description
Technical field
It the utility model is related to Duct design field, and in particular to a kind of air channel structure design and erecting device.
Background technology
Traditional air channel structure uses planar aerial flow-guiding structure more, and does not have independent air intake grid or grille-like and peace
Installing meter is unreasonable, makes air at a high speed when entering motor, and frontal impact is formed with air channel, and the uneven generation of air intake region blast compared with
Big pneumatic noise, use environment and service life of a machine are had a strong impact on, disclosed in patent No. 204633519U electric on a kind of blower fan
The damping noise reduction mounting structure of machine, but it is also far from enough to carry out vibration and noise reducing only by the installation of motor, vibration and noise reducing design
Still have much room for improvement.
For these reasons, the present inventor furthers investigate to existing air duct noise-reducing structure, to design one kind
It can solve the problem that the new technical scheme of above mentioned problem.
Utility model content
In order to overcome above mentioned problem, present inventor has performed studying with keen determination, improved air duct noise-reducing structure is designed, wherein
Novel conical surface arc/circular platform type wind-guiding face is devised, air inlet is opened up in wind-guiding face, circle is additionally provided with wind-guiding face and is entered
Style grid, air intake passage wind is made an uproar significantly reduces, including is covered on air channel, covers EPP on air channel, electric machine assembly, air channel lower cover EPP,
Air channel lower cover, air-inlet grille etc. are used for the connection member for fixing air channel.The connection member includes fastening electric motor damping structure
Stud and cushioning piece etc..Air stream is beneficial to using circular platform type wind-guiding face/air inlet of indent in the utility model air channel structure
Logical, additional filter screen uniformly introduces air-flow, significantly reduces air flow noise.Air channel structure is simple, and cost is low, and universality is strong, fits
For the design and installation in air channel in various electrical equipment, being particularly suitable for use in needs to reduce vibrations and reduces the household electrical appliance of noise, such as
Air purifier, new blower fan, air-conditioning etc..
Specifically, the purpose of this utility model is to provide with a kind of air duct noise-reducing structure, it is characterised in that including wind
Lid 1 on road, EPP2, electric machine assembly 3, air channel lower cover EPP4, air channel lower cover 5, air-inlet grille 6 are covered on air channel；
Wherein, the top of lid 1 is provided with air outlet 11 on the air channel,
The circular platform type wind-guiding face 51 of indent is offered in the bottom of air channel lower cover 5, is provided with the middle part of the wind-guiding face
Air inlet 52；
The air-inlet grille 6 is arranged in the wind-guiding face, makes air even into blower fan by the air-inlet grille 6,
Form equal blast.
Wherein, it is in cheese that the air-inlet grille 6 is overall.
Wherein, the air-inlet grille includes the parallel 61 of a plurality of concentric circles each other, and a plurality of all by described round with one heart
The warp 62 of the heart.
Wherein, the distance between described adjacent two warps 62 are 4mm~30mm；
The radius of the ring-type parallel 61 is 4mm~200mm.
Wherein, neck 53 is provided with the circular platform type wind-guiding face 51 of the indent,
The edge of the air-inlet grille 6 is provided with claw 63, is embedded into by the claw 63 in neck 53, enters style
Grid 6 are fixedly mounted in wind-guiding face 51.
Wherein, the claw 63 has four, is distributed on around air-inlet grille 6.
Wherein, it is provided with filter screen on the air outlet 11.
Wherein, EPP2 is covered on the air channel to be fitted tightly on the air channel on the inwall of lid 1, EPP2 is covered on the air channel
For EPP insulation material layers.
Wherein, the air channel lower cover EPP4 is fitted tightly on the inwall of air channel lower cover 5, and the air channel lower cover EPP4 is
EPP insulation material layers.
Wherein, the electric machine assembly 3 is arranged on air channel lower cover 5, and the electric machine assembly 3 is located at the He of lid 1 on the air channel
In the cavity that the air channel lower cover 5 surrounds together.
Wherein, lid 1 and the air channel lower cover 5 are fastened by bolt or screw fastening on the air channel, and are tightly connected.
Wherein, the circular platform type wind-guiding face 51 of indent is offered on the air channel lower cover 5, is set in the middle part of the wind-guiding face
There is air inlet 52；
The air-inlet grille 6 is arranged in the wind-guiding face, makes air even into blower fan by the air-inlet grille 6,
Form equal blast.
Wherein, it is in cheese that the air-inlet grille 6 is overall.
The improved air channel structure of the utility model devises novel conical surface arc/indent circular platform type wind-guiding face and circular air intake
Grid, air intake passage wind is made an uproar significantly reduces.
Brief description of the drawings
Fig. 1 shows the air duct noise-reducing Structure explosion diagram according to a kind of preferred embodiment of the utility model；
Fig. 2 shows the air duct noise-reducing structural front view according to a kind of preferred embodiment of the utility model；
Fig. 3 shows that air channel lower cover structure is illustrated in the air duct noise-reducing structure according to a kind of preferred embodiment of the utility model
Figure, and Fig. 2 partial enlarged drawing；
Fig. 4 shows the air duct noise-reducing structural perspective according to a kind of preferred embodiment of the utility model；
Fig. 5 shows the section view of air-inlet grille in the air duct noise-reducing structure according to a kind of preferred embodiment of the utility model
Figure；
Fig. 6 shows the side view of air-inlet grille in the air duct noise-reducing structure according to a kind of preferred embodiment of the utility model
Figure；
Fig. 7 shows the vertical view of air-inlet grille in the air duct noise-reducing structure according to a kind of preferred embodiment of the utility model
Figure；
Fig. 8 shows the solid of air-inlet grille in the air duct noise-reducing structure according to a kind of preferred embodiment of the utility model
Figure.
Drawing reference numeral explanation：
Covered on 1-
11- air outlets
2- covers EPP on air channel
3- electric machine assemblies
4- air channels lower cover EPP
5- air channels lower cover
51- wind-guiding faces
52- air inlets
53- necks
6- air-inlet grilles
61- parallels
62- warps
63- claws
Embodiment
The utility model is further described below by drawings and examples.It is new by these explanations, this practicality
The characteristics of type and advantage will become more apparent from clearly.
Special word " exemplary " is meant " being used as example, embodiment or illustrative " herein.Here as " exemplary "
Illustrated any embodiment should not necessarily be construed as preferred or advantageous over other embodiments.Although each of embodiment is shown in the drawings
In terms of kind, but unless otherwise indicated, it is not necessary to accompanying drawing drawn to scale.
According to improved air duct noise-reducing structure provided by the utility model, as shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, design
Novel conical surface arc/indent circular platform type wind-guiding face, air inlet is offered in the middle part of wind-guiding face, circle is additionally provided with wind-guiding face
Shape air-inlet grille, air inlet is covered, air intake passage wind is made an uproar significantly reduces, and the circular platform type wind-guiding face of the indent is to cave inward
, air inlet is offered at the center of its depression, in the presence of wind-guiding face, outside air is entered by air inlet naturally
In cavity；
The air duct noise-reducing structure includes lid 1 on air channel, and EPP2, electric machine assembly 3, air channel lower cover EPP4, air channel are covered on air channel
Lower cover 5, air-inlet grille 6 etc..
Preferably, filter screen is provided with the air outlet 11, the filter screen has the grid of comparatively dense, can either allow
Internal air therefrom overflows, additionally it is possible to and prevent foreign matter from being entered from filter screen in the air duct noise-reducing structure, in general,
In actual use, filter screen is exposed that filter screen can prevent people or thing to be strayed into air duct noise-reducing structure, it is ensured that set
Standby even running, ensure that user's is safe to use.
Cover EPP2 on the air channel to be fitted tightly on the air channel on the inwall of lid 1, it is EPP that EPP2 is covered on the air channel
Insulation material layer；The inside of lid 1 is equipped with EPP material acoustic materials on i.e. described air channel, and the matter acoustic material and upper casing are seamless
It is brought into close contact, forms air channel cover assembly.
The wind-guiding face 51 of air channel lower cover 5 uses conical surface arc or referred to as the circular platform type structure design of indent, such as Fig. 2
Shown in Fig. 3, the center of the wind-guiding face 51 is provided with air inlet 51, it is arranged to indent round platform by wind-guiding face
Type or referred to as conical surface arcuate structure, to reduce air flow resistance；And the circle of covering air inlet is installed in wind-guiding face
Shape air-inlet grille 6, be evenly equipped with multiple dense grids on the air-inlet grille, break up by air stream, make air even into
Blower fan, equal blast is formed, pneumatic noise purpose is reduced to reach；
Preferably, as shown in Fig. 5, Fig. 6, Fig. 7 and Fig. 8；The overall air-inlet grille 6 is in cheese, and it is by center
Any one section of line is all in circular arc；The shape of the air-inlet grille 6 is obtained by circular central is outwardly, equivalent to
A spherical part, by the way that air-inlet grille 6 is arranged into above-mentioned special shape, it is engaged with the circular platform type wind-guiding face of indent, energy
It is enough preferably to break up the wind for entering cavity, wind and the air duct noise-reducing inwall severe friction are avoided, so as to weaken noise.
Preferably, as shown in Fig. 4, Fig. 5, Fig. 6, Fig. 7 and Fig. 8, the air-inlet grille includes a plurality of concentric circles each other
Parallel 61, and a plurality of warp 62 for all passing through the concentric circles center of circle, warp and weft cross one another, and each crosspoint
The mutual concrete mutually in capital, by the reciprocating cross of the warp and weft, forms intensive grid, and then can break up nature
Wind；
The distance between described adjacent two warps 62 are 4mm~30mm；
The radius of the ring-type parallel 61 is 4mm~200mm.
Preferably, as shown in Figure 3, as shown in Figures 2 and 3, set in the circular platform type wind-guiding face 51 of the indent
There is neck 53,
The edge of the air-inlet grille 6 is provided with claw 63, claw 63 is worked in coordination with neck 53, passes through the claw
63 are embedded into neck 53, and air-inlet grille 6 is fixedly mounted in wind-guiding face 51, and this construction causes the dismounting of air-inlet grille extremely
It is convenient, it can in time, easily understand dust and other impurities of the hanging fascia on air-inlet grille, it is ensured that air channel is unimpeded.
It is further preferred that the claw 63 there are four, it is distributed on around air-inlet grille 6, neck 53 also there are four, and it sets
Seated position is mutually echoed with claw, is distributed in wind-guiding face 51.
The air channel lower cover EPP4 is fitted tightly on the inwall of air channel lower cover 5, and the air channel lower cover EPP4 is EPP sound insulations
Material layer, i.e., the described inside of air channel lower cover 5 are equipped with EPP material acoustic materials, and the matter acoustic material is seamless close with lower casing
Fitting, form air channel lower cover component.
The electric machine assembly 3 is arranged on air channel lower cover 5 using damping noise reduction mounting structure, is made an uproar with reducing mechanical shock
Sound.The electric machine assembly 3 is located in the cavity that lid 1 and the air channel lower cover 5 surround together on the air channel, the air inlet 52
It is connected with the cavity, the air in the external world is drawn into the cavity by electric machine assembly 3 by air-inlet grille 6 and air inlet, and
It is dispersed in the rotation of electric machine assembly on each face in cavity, finally the air outlet discharge from air channel on lid 1.
By above-mentioned air channel cover assembly, electric machine assembly 3 and air channel lower cover component are fastened using bolt or screw, make air channel whole
Body is brought into close contact, and to reach, no outer gas stream pours in and internal gas flow rushes down purpose, the one of formation reduction integral air duct noise outside
Formula structure.
Air duct noise-reducing structure described in the utility model can be arranged in new blower fan, can also be arranged on traditional sky
In the equipment such as tune, air purifier.
The utility model is illustrated above in association with preferred embodiment, but these embodiments are only models
Example property, only play illustrative effect.On this basis, a variety of replacements and improvement can be carried out to the utility model, these
Each fall within the scope of protection of the utility model.
Claims (10)
- A kind of 1. air duct noise-reducing structure, it is characterised in that including covering (1) on air channel, lid EPP (2) on air channel, electric machine assembly (3), Air channel lower cover EPP (4), air channel lower cover (5), air-inlet grille (6)；Wherein, covered on the air channel at the top of (1) and be provided with air outlet (11),The circular platform type wind-guiding face (51) of indent is offered in air channel lower cover (5) bottom, is provided with the middle part of the wind-guiding face Air inlet (52)；The air-inlet grille (6) is arranged in the wind-guiding face, makes air even into blower fan by the air-inlet grille (6), Form equal blast.
- 2. denoising structure according to claim 1, it is characterised in thatIt is in cheese that the air-inlet grille (6) is overall.
- 3. denoising structure according to claim 1, it is characterised in thatThe air-inlet grille includes the parallel (61) of a plurality of concentric circles each other, and a plurality of warp for all passing through the concentric circles center of circle (62)。
- 4. denoising structure according to claim 3, it is characterised in thatThe distance between described adjacent two warps (62) are 4mm~30mm；The radius of the parallel (61) is 4mm~200mm.
- 5. denoising structure according to claim 1, it is characterised in thatNeck (53) is provided with the circular platform type wind-guiding face (51) of the indent,The edge of the air-inlet grille (6) is provided with claw (63), is embedded into by the claw (63) in neck (53), entered Style grid (6) are fixedly mounted in wind-guiding face (51).
- 6. denoising structure according to claim 1, it is characterised in thatFilter screen is provided with the air outlet (11).
- 7. denoising structure according to claim 1, it is characterised in that EPP (2) is covered on the air channel and is fitted tightly over the wind Covered on road on the inwall of (1), it is EPP insulation material layers that EPP (2) is covered on the air channel.
- 8. denoising structure according to claim 1, it is characterised in that the air channel lower cover EPP (4) is fitted tightly over air channel On the inwall of lower cover (5), the air channel lower cover EPP (4) is EPP insulation material layers.
- 9. denoising structure according to claim 1, it is characterised in that the electric machine assembly (3) is arranged on air channel lower cover (5) On, the electric machine assembly (3) is located in the cavity that lid (1) and the air channel lower cover (5) surround together on the air channel；The air inlet (52) is connected with the cavity.
- 10. denoising structure according to claim 1, it is characterised in that (1) and the air channel lower cover (5) are covered on the air channel By bolt or screw fastening fastening, and it is tightly connected.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017204753023 | 2017-05-02 | ||
| CN201720475302 | 2017-05-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206944426U true CN206944426U (en) | 2018-01-30 |
Family
ID=61360200
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720547653.0U Active CN206944426U (en) | 2017-05-02 | 2017-05-17 | Air duct noise-reducing structure |
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| CN (1) | CN206944426U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954761A (en) * | 2018-07-06 | 2018-12-07 | 珠海格力电器股份有限公司 | A kind of air-inlet grille, air intake assembly and its air purifier |
| CN109520063A (en) * | 2018-11-16 | 2019-03-26 | 珠海格力电器股份有限公司 | New blower and the air-conditioning system with it |
| CN109709279A (en) * | 2019-01-14 | 2019-05-03 | 合肥思艾汽车科技有限公司 | A kind of inflammable volatile matter monitoring safety check instrument with face snap function |
| CN114458625A (en) * | 2022-03-03 | 2022-05-10 | 深圳乐居智能电子有限公司 | Air inlet cover, fan assembly, air duct structure and floor sweeping robot |
| CN109709279B (en) * | 2019-01-14 | 2024-05-31 | 合肥思艾汽车科技有限公司 | Inflammable volatile matter monitoring security check instrument with face snapshot function |
-
2017
- 2017-05-17 CN CN201720547653.0U patent/CN206944426U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108954761A (en) * | 2018-07-06 | 2018-12-07 | 珠海格力电器股份有限公司 | A kind of air-inlet grille, air intake assembly and its air purifier |
| CN108954761B (en) * | 2018-07-06 | 2023-11-24 | 珠海格力电器股份有限公司 | Air inlet grille, air inlet assembly and air purifier thereof |
| CN109520063A (en) * | 2018-11-16 | 2019-03-26 | 珠海格力电器股份有限公司 | New blower and the air-conditioning system with it |
| CN109709279A (en) * | 2019-01-14 | 2019-05-03 | 合肥思艾汽车科技有限公司 | A kind of inflammable volatile matter monitoring safety check instrument with face snap function |
| CN109709279B (en) * | 2019-01-14 | 2024-05-31 | 合肥思艾汽车科技有限公司 | Inflammable volatile matter monitoring security check instrument with face snapshot function |
| CN114458625A (en) * | 2022-03-03 | 2022-05-10 | 深圳乐居智能电子有限公司 | Air inlet cover, fan assembly, air duct structure and floor sweeping robot |
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