CN206151366U - Structure of making an uproar falls in motor - Google Patents
Structure of making an uproar falls in motor Download PDFInfo
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- CN206151366U CN206151366U CN201620858043.8U CN201620858043U CN206151366U CN 206151366 U CN206151366 U CN 206151366U CN 201620858043 U CN201620858043 U CN 201620858043U CN 206151366 U CN206151366 U CN 206151366U
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- noise reduction
- motor
- reduction structure
- motor according
- air outlet
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Abstract
The utility model relates to a structure of making an uproar falls in motor, in particular to dust catcher structure of making an uproar falls in motor, including the motor cover of holding motor, by the air intake to the air outlet in proper order including moving impeller cavity and amortization chamber in the motor cover, movable vane wheel intracavity is equipped with movable vane wheel subassembly, the amortization intracavity is equipped with first amortization portion and/or second amortization portion, first amortization portion includes the slant grid, second amortization portion is including setting up the intensive aperture and the setting of air outlet are in air outlet inner side's acoustical coating. This is practical newly can to reduce wind effectively and makes an uproar.
Description
Technical field
Originally it is practical to be newly related to a kind of noise reduction structure of motor, more particularly to a kind of denoising structure of motor of dust collector.
Background technology
Dust catcher uses motor to drive movable impeller component work as power set.Dust catcher can operationally produce gas
Stream, air-flow passes through that during motor cover cavity noise can be produced, and the size of noise can be because of the difference of the structure of motor cover cavity, material etc.
And it is different.For with direct current vertical type dust collector, because of its design requirement so as to which package size is less, thus limited space in casing,
The noise-reducing structure of complexity cannot be set, so can operationally produce larger noise, make the operating experience of user poor, comfortably
Degree is not high.
For above-mentioned technical problem, the usual way of prior art is the setting noise reduction sponge in casing.This way
It is advantageous in that simple structure, arranges convenient, and cost is relatively low.But shortcoming is also fairly obvious, i.e., sound-absorbing effect is not ideal enough, noise reduction
Limited space.
Therefore, it is necessory to develop a kind of new noise reduction structure of motor overcoming defect of the prior art.
Utility model content
This practical new purpose is to provide a kind of noise reduction structure of motor, can be effectively reduced motor and operationally produce
Wind make an uproar.
To realize above-mentioned practical new purpose, the technical scheme of this practical new employing is：
A kind of noise reduction structure of motor, including the motor cover of the accommodating motor for being provided with air inlet and air outlet, the motor cover
Inner chamber body includes successively dynamic impeller cavity and silencing cavity by the air inlet to the air outlet, and in the dynamic impeller cavity movable vane is provided with
Wheel assembly, is provided with the first noise elimination part and/or the second noise elimination part in the silencing cavity, first noise elimination part includes oblique grid,
Second noise elimination part includes being arranged on the Process of the air outlet；The oblique grid includes oblique panel and adjacent two
The narrow air channel formed between individual oblique panel, the minimum widith in the narrow air channel is not more than 3mm.
Further, the minimum widith in the narrow air channel is incomplete same.
Further, the quantity in the narrow air channel is prime number.
Further, the aperture of the Process is not more than 3mm.
Further, the aperture of the Process is incomplete same.
Further, the depth of the Process is incomplete same.
Further, the Process is in the air outlet uneven distribution.
Further, second noise elimination part also includes being filled in the quieter material on the inside of the air outlet.
Further, dynamic impeller cavity air outlet, the dynamic impeller cavity are provided between the dynamic impeller cavity and the silencing cavity
Air outlet includes tangential grid.
Further, the silencing cavity includes noise reduction exocoel and noise reduction inner chamber.
Further, radius of the radius of the noise reduction exocoel more than the noise reduction inner chamber.
Further, the noise reduction exocoel is located at the upstream of the noise reduction inner chamber.
Further, the oblique grid is arranged between the noise reduction exocoel and the noise reduction inner chamber.
Further, the tangential grid includes the gap formed between tangential panel and two neighboring tangential panel.
Further, the quantity in the gap is prime number.
Originally practical newly also to provide a kind of dust catcher, the dust catcher includes this practical described motor noise-reducing knot being newly related to
Structure.
Originally it is practical newly to realize following beneficial effect：First noise elimination part, the second noise elimination part or the two combine, can
The wind for effectively eliminating air-flow generation is made an uproar；Dynamic impeller cavity air outlet is set to tangential grid, and number of gaps for prime number, Neng Gouyou
The generation resonated is prevented to effect, is further abated the noise.
Description of the drawings
Fig. 1 is the schematic diagram of this practical new first embodiment；
Fig. 2 is the sectional view of this practical new first embodiment；
Fig. 3 is the silencer cover schematic diagram of this practical new first embodiment；
Fig. 4 is another visual angle schematic diagram of silencer cover of this practical new first embodiment；
Fig. 5 is the electric machine support schematic diagram of this practical new first embodiment；
Fig. 6 is the dismounting figure of the fan housing, electric machine support and silencer cover of this practical new first embodiment；
Fig. 7 is that this practical new air-flow moves towards schematic diagram；
Fig. 8 is the sectional view of this practical new second embodiment；
Fig. 9 is the sectional view of this practical new 3rd embodiment.
Wherein, 1 is motor cover, and 11 is fan housing, and 12 is silencer cover, and 2 is air inlet, and 21 is air intake grid, and 3 is air outlet, 4
To move impeller cavity, 41 is movable impeller component, and 5 is silencing cavity, and 6 is the first noise elimination part, and 61 is oblique panel, and 62 is narrow air channel, and 7 are
Second noise elimination part, 71 is Process, and 72 is quieter material, and 8 is electric machine support, and 81 is impeller cavity air outlet, and 82 is tangential lattice
Plate, 83 is gap, and 84 is outer rim, and 85 is inner edge, and 9 is motor.
Specific embodiment
First embodiment
Such as
Shown in Fig. 1, Fig. 2, a kind of noise reduction structure of motor, including the motor cover 1 of accommodating motor 9, by entering in the motor cover 1
Air port 2 to air outlet 3 includes successively dynamic impeller cavity 4 and silencing cavity 5, and in the dynamic impeller cavity 4 movable impeller component 41 is provided with, described
The first noise elimination part 6 and the second noise elimination part 7 are provided with silencing cavity 5, first noise elimination part 6 includes oblique grid, are arranged on described
Second noise elimination part 7 in the downstream of the first noise elimination part 6 includes being arranged on the Process 71 of the air outlet 3 and is arranged on described
The quieter material 72 of the inner side of air outlet 3.In the present embodiment, motor cover 1 include fan housing 11 and with fan housing 11 be sealingly engaged disappear
Sound cover 12, dynamic impeller cavity 4 is arranged in fan housing 11, and silencing cavity 5 is arranged in silencer cover 12, and air inlet 2 is arranged on fan housing 11
Lower end, air outlet 3 is arranged on the upper end of silencer cover 12.In this embodiment, the outside of air inlet 2 is additionally provided with air intake grid 21.
Such as
Fig. 3,
Shown in Fig. 4, be provided with oblique grid in silencer cover 12, oblique grid along silencer cover 12 circle distribution, and by noise reduction
5 points of silencing cavity in cover 12 is silencer cover exocoel and silencer cover inner chamber, and the wherein radius of silencer cover exocoel is more than silencer cover inner chamber
Radius, and silencer cover exocoel be located at silencer cover inner chamber upstream.Air-flow enters noise reduction from silencer cover exocoel through oblique grid
Cover inner chamber.Oblique grid includes the narrow air channel 62 formed between oblique panel 61 and two neighboring oblique panel 61, narrow air channel 62
Bearing of trend and the radial direction of silencer cover 12 between there is certain angle, the minimum widith in narrow air channel 62 is not more than 3mm.
Air-flow is carded to multiple stingy a fluid streams by narrow air channel 62, makes the power dissipation of air-flow in stingy a fluid stream, due to narrow air channel 62
Minimum widith is not more than 3mm, so stingy a fluid stream relatively thin is close, the energy of each stingy a fluid stream is relatively small, is effectively reduced
The generation that wind is made an uproar.Simultaneously as it is at an angle between the radial direction of the bearing of trend in narrow air channel 62 and silencer cover 12, i.e.,
Stingy a fluid stream tangentially passes through silencer cover, can be effectively reduced the frontal impact of air-flow radial direction, further drops low wind noise.
In certain embodiments, the minimum widith in different narrow air channels 62 is not exclusively etc..In other embodiments, different narrow wind
The minimum widith in road 62 is completely unequal；Further, in a further embodiment, the different narrow air channel 62 of any two is most
It not is integer that little width is divided by, and can reach more preferable de-noising effect.In the present embodiment, the quantity in narrow air channel 62 is set to matter
Number, can be effectively prevented the generation of resonance, and then strengthen erasure effect.In the present embodiment, the windward side of oblique panel 61
For cambered surface, oblique panel 61 is become narrow gradually windward by it towards its lee face, i.e., oblique panel 61 is substantially in streamlined, Neng Gouyou
Effect reduces windage, strengthens erasure effect.In the present embodiment, Process 71 is arranged at air outlet 3, the hole of Process 71
Footpath is not more than 3mm, and the aperture of Process 71 is not completely equivalent, and the depth of Process 71 is not completely equivalent, Process 71
Asymmetricly be distributed in the air outlet 3, and the distance between borehole of Process 71 is not completely equivalent, air-flow air outlet 3 via
Process 71 is spouting, can be effectively reduced wind and make an uproar.In other embodiments, the aperture of Process 71 not phase completely
Deng；In other embodiments, the hole depth of Process 71 is completely unequal；Further, in other embodiments, any two
It is not integer that the aperture of Process 71 is divided by, and it be not integer that the hole depth of any two Process 71 is divided by；In other enforcements
In example, Process 71 is asymmetricly distributed in the air outlet 3, and its distance between borehole is completely unequal, can realize more preferably
De-noising effect.Quieter material 72 is filled with the inner side of air outlet 3, in the present embodiment, quieter material 72 is silencing cotton, and it is filled out
Fill between oblique grid and Process 71.
The noise reduction structure of motor of the present embodiment is also deposited between impeller cavity 4 and silencing cavity 5 including setting as shown in Figure 5
Electric machine support 8, i.e., electric machine support 8 be arranged between fan housing 11 and silencer cover 12.Motor 9 is arranged on electric machine support 8, motor
Support 8 also includes the dynamic impeller cavity air outlet 81 being arranged between its outer rim 84 and inner edge 85, and air-flow is only capable of by moving impeller cavity
The driven impeller chamber 4 of air outlet 81 enters silencing cavity 5.In the present embodiment, moving impeller cavity air outlet 81 includes tangential grid, tangentially
Grid includes the gap 83 formed between tangential panel 82 and two neighboring tangential panel 82.The setting of tangential grid can be reduced
Low wind noise, further drops in the air resistance coefficient of dynamic impeller cavity 4.In the present embodiment, the quantity in gap 83 is and movable impeller component 41
The unequal prime number of blade quantity, resonance can be effectively prevented, low wind noise further drops.In the present embodiment, gap
83 width is not completely equivalent.In a further embodiment, the width in gap 83 is completely unequal, can realize more preferable de-noising
Effect.In a further embodiment, the width in arbitrary gap 83 is unequal with the minimum widith in arbitrary narrow air channel 62.Further
Ground, in a further embodiment, the width in arbitrary gap 83 was both unequal with the minimum widith in arbitrary narrow air channel 62, did not also exist
Integral multiple relation, i.e. gap 83 are a, and the width in narrow air channel 62 is b, then need to meet a/b not for integer and b/a is not integer.
As shown in Figure 6, Figure 7, arrow represents airflow direction in figure.The movable vane wheel that air-flow is entered in fan housing 11 from air inlet 2
Chamber 4, after movable impeller component 41, then by the dynamic impeller cavity air outlet 81 on electric machine support 8, into disappearing in silencer cover 12
Sound chamber 5, passes sequentially through oblique grid and quieter material, finally spouting by the Process 71 for being arranged on air outlet 3.
The present embodiment also includes a kind of dust catcher, and the head section of the dust catcher includes above-mentioned noise reduction structure of motor.
Second embodiment
As shown in figure 8, the noise reduction structure of motor of the present embodiment is essentially identical with the structure of first embodiment, difference is noise reduction
The first noise elimination part 6 is provided only with cover 12, that is, is provided only with oblique grid.
3rd embodiment
As shown in figure 9, the noise reduction structure of motor of the present embodiment is essentially identical with the structure of first embodiment, difference is noise reduction
The second noise elimination part 7 is provided only with cover 12, that is, is provided only with the Process 71 that is arranged at air outlet 3 and is arranged in air outlet 3
The quieter material 72 of side.
It is pointed out that above-mentioned preferred embodiment only illustrates this practical new technology design and feature, its purpose
It is to allow person skilled in the art will appreciate that this practical new content and implement according to this, this reality can not be limited with this
With the new protection domain of type.All equivalence changes made according to this practical new Spirit Essence or modification, all should cover in this reality
Within the new protection domain of type.
Claims (16)
1. a kind of noise reduction structure of motor, including the motor cover of the accommodating motor for being provided with air inlet and air outlet, in the motor cover
Cavity includes successively dynamic impeller cavity and silencing cavity by the air inlet to the air outlet, and in the dynamic impeller cavity movable vane wheel is provided with
Component, is characterized in that, the first noise elimination part and/or the second noise elimination part are provided with the silencing cavity, and first noise elimination part includes oblique
To grid, the oblique grid includes the narrow air channel formed between oblique panel and two neighboring oblique panel, the narrow air channel
Minimum widith be not more than 3mm；Second noise elimination part includes being arranged on the Process of the air outlet.
2. noise reduction structure of motor according to claim 1, is characterized in that, the incomplete phase of minimum widith in the narrow air channel
Deng.
3. noise reduction structure of motor according to claim 1, is characterized in that, the quantity in the narrow air channel is prime number.
4. noise reduction structure of motor according to claim 1, is characterized in that, the aperture of the Process is not more than 3mm.
5. noise reduction structure of motor according to claim 1, is characterized in that, the aperture of the Process is not completely equivalent.
6. noise reduction structure of motor according to claim 1, is characterized in that, the depth of the Process is not completely equivalent.
7. noise reduction structure of motor according to claim 1, is characterized in that, the Process is uneven in the air outlet
Distribution.
8. noise reduction structure of motor according to claim 1, is characterized in that, second noise elimination part is also described including being filled in
Quieter material on the inside of air outlet.
9. noise reduction structure of motor according to claim 1, is characterized in that, the silencing cavity is included in noise reduction exocoel and noise reduction
Chamber.
10. noise reduction structure of motor according to claim 9, is characterized in that, the radius of the noise reduction exocoel disappears more than described
The radius of sound inner chamber.
11. noise reduction structure of motor according to claim 9, is characterized in that, the noise reduction exocoel is located at the noise reduction inner chamber
Upstream.
12. noise reduction structure of motor according to claim 9, is characterized in that, the oblique grid is arranged on outside the noise reduction
Between chamber and the noise reduction inner chamber.
13. noise reduction structure of motor according to claim 1～12 any one, is characterized in that, the dynamic impeller cavity and institute
State and be provided between silencing cavity dynamic impeller cavity air outlet, the dynamic impeller cavity air outlet includes tangential grid.
14. noise reduction structure of motor according to claim 13, is characterized in that, the tangential grid includes tangential panel and phase
The gap formed between adjacent two tangential panels.
15. noise reduction structure of motor according to claim 14, is characterized in that, the quantity in the gap is prime number.
A kind of 16. dust catchers, including noise reduction structure of motor as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858043.8U CN206151366U (en) | 2016-08-10 | 2016-08-10 | Structure of making an uproar falls in motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620858043.8U CN206151366U (en) | 2016-08-10 | 2016-08-10 | Structure of making an uproar falls in motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206151366U true CN206151366U (en) | 2017-05-10 |
Family
ID=58646406
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620858043.8U Withdrawn - After Issue CN206151366U (en) | 2016-08-10 | 2016-08-10 | Structure of making an uproar falls in motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206151366U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073631A (en) * | 2016-08-10 | 2016-11-09 | 天佑电器（苏州）有限公司 | A kind of noise reduction structure of motor |
-
2016
- 2016-08-10 CN CN201620858043.8U patent/CN206151366U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106073631A (en) * | 2016-08-10 | 2016-11-09 | 天佑电器（苏州）有限公司 | A kind of noise reduction structure of motor |
| CN106073631B (en) * | 2016-08-10 | 2019-01-11 | 天佑电器（苏州）有限公司 | A kind of noise reduction structure of motor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20170510 Effective date of abandoning: 20190111 |
|
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |