CN106073631A - A kind of noise reduction structure of motor - Google Patents
A kind of noise reduction structure of motor Download PDFInfo
- Publication number
- CN106073631A CN106073631A CN201610648626.2A CN201610648626A CN106073631A CN 106073631 A CN106073631 A CN 106073631A CN 201610648626 A CN201610648626 A CN 201610648626A CN 106073631 A CN106073631 A CN 106073631A
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- CN
- China
- Prior art keywords
- noise reduction
- motor
- reduction structure
- air outlet
- noise
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L9/00—Details or accessories of suction cleaners, e.g. mechanical means for controlling the suction or for effecting pulsating action; Storing devices specially adapted to suction cleaners or parts thereof; Carrying-vehicles specially adapted for suction cleaners
- A47L9/0081—Means for exhaust-air diffusion; Means for sound or vibration damping
Abstract
The present invention relates to a kind of noise reduction structure of motor, particularly to a kind of noise reduction structure of motor of vacuum cleaner, motor cover including accommodating motor, included dynamic impeller cavity and silencing cavity successively by air inlet to air outlet in described motor cover, described movable vane wheel intracavity is provided with movable impeller component, the first noise elimination part and/or the second noise elimination part it is provided with in described silencing cavity, described first noise elimination part includes that oblique grid, described second noise elimination part include being arranged on the Process of described air outlet and be arranged on the quieter material inside described air outlet.The present invention can be effectively reduced wind and make an uproar.
Description
Technical field
The present invention relates to a kind of noise reduction structure of motor, particularly relate to the denoising structure of a kind of motor of dust collector.
Background technology
Vacuum cleaner uses motor to drive movable impeller component work as power set.Vacuum cleaner operationally can produce gas
Stream, can produce noise when air-flow is by motor cover cavity, 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 direct current vertical type dust collector, because it designs requirement so that it is package size is less, thus limited space in casing,
Cannot arrange the noise-reducing structure of complexity, so operationally can produce bigger noise, the operating experience making user is poor, comfortable
Spend the highest.
For above-mentioned technical problem, the usual way of prior art is to arrange noise reduction sponge in casing.This way
It is advantageous in that simple in construction, arranges conveniently, and cost is relatively low.But shortcoming is the most fairly obvious, i.e. sound-absorbing effect is not ideal enough, noise reduction
Limited space.
Therefore, a kind of novel noise reduction structure of motor of necessary exploitation, overcome defect of the prior art.
Summary of the invention
It is an object of the invention to provide a kind of noise reduction structure of motor, it is possible to be effectively reduced the wind that motor operationally produces
Make an uproar.
For achieving the above object, the technical solution used in the present invention is:
A kind of noise reduction structure of motor, including the motor cover of the accommodating motor being provided with air inlet and air outlet, described motor cover
Inner chamber body is included successively that by described air inlet to described air outlet dynamic impeller cavity and silencing cavity, described movable vane wheel intracavity are provided with movable vane
Wheel assembly, is provided with the first noise elimination part and/or the second noise elimination part in described silencing cavity, described first noise elimination part includes oblique grid,
Described second noise elimination part includes the Process being arranged on described air outlet；Described oblique grid includes oblique panel and adjacent two
The narrow air channel formed between individual oblique panel, the minimum widith in described narrow air channel is not more than 3mm.
Further, the minimum widith in described narrow air channel is incomplete same.
Further, the quantity in described narrow air channel is prime number.
Further, the aperture of described Process is not more than 3mm.
Further, the aperture of described Process is incomplete same.
Further, the degree of depth of described Process is incomplete same.
Further, described Process is in described air outlet uneven distribution.
Further, described second noise elimination part also includes being filled in the quieter material inside described air outlet.
Further, dynamic impeller cavity air outlet, described dynamic impeller cavity it are provided with between described dynamic impeller cavity and described silencing cavity
Air outlet includes tangential grid.
Further, described silencing cavity includes noise reduction exocoel and noise reduction inner chamber.
Further, the radius of described noise reduction exocoel is more than the radius of described noise reduction inner chamber.
Further, described noise reduction exocoel is positioned at the upstream of described noise reduction inner chamber.
Further, described oblique grid is arranged between described noise reduction exocoel and described noise reduction inner chamber.
Further, described tangential grid includes the gap formed between tangential panel and adjacent two tangential panels.
Further, the quantity in described gap is prime number.
The present invention also provides for a kind of vacuum cleaner, and this vacuum cleaner includes the described noise reduction structure of motor that the present invention relates to.
The present invention is capable of following beneficial effect: the first noise elimination part, the second noise elimination part or the two combine, it is possible to effectively
Ground eliminates the wind of air-flow generation and makes an uproar；Dynamic impeller cavity air outlet is set to tangential grid, and number of gaps is prime number, it is possible to effectively
Prevent the generation of resonance, abate the noise further.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of first embodiment of the invention；
Fig. 2 is the sectional view of first embodiment of the invention；
Fig. 3 is the silencer cover schematic diagram of first embodiment of the invention；
Fig. 4 is another visual angle schematic diagram of silencer cover of first embodiment of the invention；
Fig. 5 is the electric machine support schematic diagram of first embodiment of the invention；
Fig. 6 is the dismounting figure of the fan housing of first embodiment of the invention, electric machine support and silencer cover；
Fig. 7 is that the air-flow of the present invention moves towards schematic diagram；
Fig. 8 is the sectional view of second embodiment of the invention；
Fig. 9 is the sectional view of third embodiment of the invention.
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
For dynamic 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.
Detailed description of the invention
First embodiment
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 described motor cover 1
Air port 2 includes dynamic impeller cavity 4 and silencing cavity 5 successively to air outlet 3, is provided with movable impeller component 41 in described dynamic impeller cavity 4, described
Being provided with the first noise elimination part 6 and the second noise elimination part 7 in silencing cavity 5, described first noise elimination part 6 includes oblique grid, is arranged on described
Described second noise elimination part 7 in the first noise elimination part 6 downstream includes the Process 71 being arranged on described air outlet 3 and is arranged on described
Quieter material 72 inside air outlet 3.In the present embodiment, motor cover 1 include fan housing 11 and with the disappearing of fan housing 11 sealing engagement
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.
As
Fig. 3,
Shown in Fig. 4, being provided with oblique grid in silencer cover 12, oblique grid is along the circle distribution of silencer cover 12, and by noise reduction
Silencing cavity 5 in cover 12 is divided into silencer cover exocoel and silencer cover inner chamber, and wherein the radius of silencer cover exocoel is more than silencer cover inner chamber
Radius, and silencer cover exocoel is positioned at the upstream of silencer cover inner chamber.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 adjacent two oblique panels 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 stream by narrow air channel 62, make 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 is relatively thin 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, i.e. between the bearing of trend in narrow air channel 62 and the radial direction of silencer cover 12
Stingy a fluid stream is tangentially through silencer cover, it is possible to is effectively reduced air-flow frontal impact radially, drops low wind noise further.
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 the most unequal；Further, in a further embodiment, any two is different narrow air channel 62 is
Little width is divided by not for integer, it is possible to reach more preferable de-noising effect.In the present embodiment, the quantity in narrow air channel 62 is set to matter
Number, it is possible to 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 towards its lee face windward by it, and the most oblique panel 61 is substantially in streamlined, it is possible to have
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 degree of depth of Process 71 is not completely equivalent, Process 71
Asymmetricly be distributed at described air outlet 3, and the distance between borehole of Process 71 be not completely equivalent, air-flow air outlet 3 via
Process 71 is spouting, it is possible to is effectively reduced wind and makes an uproar.In other embodiments, the aperture of Process 71 the most not phase
Deng；In other embodiments, the hole depth of Process 71 is the most unequal；Further, in other embodiments, any two
Being divided by the aperture of Process 71 is not integer, and the hole depth of any two Process 71 is divided by not for integer；Implement at other
In example, Process 71 is asymmetricly distributed at described air outlet 3, and its distance between borehole is the most unequal, all can realize more preferably
De-noising effect.Being filled with quieter material 72 inside 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 also includes being arranged between dynamic impeller cavity 4 and silencing cavity 5 as shown in Figure 5
Electric machine support 8, i.e. electric machine support 8 are arranged between fan housing 11 and silencer cover 12.Motor 9 is arranged on electric machine support 8, and motor props up
Frame 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 being gone out by dynamic impeller cavity
The driven impeller cavity in air port 81 4 enters silencing cavity 5.In the present embodiment, dynamic impeller cavity air outlet 81 includes tangential grid, tangential grid
Lattice include the gap 83 formed between tangential panel 82 and adjacent two tangential panels 82.The setting of tangential grid can reduce dynamic
Low wind noise, drops in the air resistance coefficient of impeller cavity 4 further.In the present embodiment, the quantity in gap 83 is and movable impeller component 41
Low wind noise, drops in the unequal prime number of blade quantity, it is possible to be effectively prevented resonance further.In the present embodiment, gap 83
Width be not completely equivalent.In a further embodiment, the width in gap 83 is the most unequal, it is possible to realize more preferable de-noising effect
Really.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 is the most unequal with the minimum widith in arbitrary narrow air channel 62, does not exists
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 for integer and b/a for integer.
As shown in Figure 6, Figure 7, in figure, arrow represents airflow direction.Air-flow enters the movable vane wheel 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, enters disappearing in silencer cover 12
Sound chamber 5, passes sequentially through oblique grid and quieter material, finally spouting by the Process 71 being arranged on air outlet 3.
The present embodiment also includes a kind of vacuum cleaner, and the head section of this vacuum cleaner 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, and difference is noise reduction
It is provided only with the first noise elimination part 6 in cover 12, is i.e. provided only with oblique grid.
3rd embodiment
As it is 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
It is provided only with the second noise elimination part 7 in cover 12, is i.e. provided only with the Process 71 being 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 is only technology design and the feature of the explanation present invention, its object is to
Allow person skilled in the art will appreciate that present disclosure and to implement according to this, the protection of the present invention can not be limited with this
Scope.All equivalence changes made according to spirit of the invention or modification, all should contain within protection scope of the present invention.
Claims (16)
1. a noise reduction structure of motor, including the motor cover of the accommodating motor being provided with air inlet and air outlet, in described motor cover
Cavity is included successively that by described air inlet to described air outlet dynamic impeller cavity and silencing cavity, described movable vane wheel intracavity are provided with movable vane wheel
Assembly, is characterized in that, is provided with the first noise elimination part and/or the second noise elimination part in described silencing cavity, and described first noise elimination part includes tiltedly
To grid, described oblique grid includes the narrow air channel formed between oblique panel and adjacent two oblique panels, described narrow air channel
Minimum widith be not more than 3mm；Described second noise elimination part includes the Process being arranged on described air outlet.
Noise reduction structure of motor the most according to claim 1, is characterized in that, the incomplete phase of minimum widith in described narrow air channel
Deng.
Noise reduction structure of motor the most according to claim 1, is characterized in that, the quantity in described narrow air channel is prime number.
Noise reduction structure of motor the most according to claim 1, is characterized in that, the aperture of described Process is not more than 3mm.
Noise reduction structure of motor the most according to claim 1, is characterized in that, the aperture of described Process is not completely equivalent.
Noise reduction structure of motor the most according to claim 1, is characterized in that, the degree of depth of described Process is not completely equivalent.
Noise reduction structure of motor the most according to claim 1, is characterized in that, described Process is uneven at described air outlet
Distribution.
Noise reduction structure of motor the most according to claim 1, is characterized in that, described second noise elimination part also includes being filled in described
Quieter material inside air outlet.
Noise reduction structure of motor the most according to claim 1, is characterized in that, in described silencing cavity includes noise reduction exocoel and noise reduction
Chamber.
Noise reduction structure of motor the most according to claim 9, is characterized in that, the radius of described noise reduction exocoel be more than described in disappear
The radius of sound inner chamber.
11. noise reduction structure of motor according to claim 9, is characterized in that, described noise reduction exocoel is positioned at described noise reduction inner chamber
Upstream.
12. noise reduction structure of motor according to claim 9, is characterized in that, described oblique grid is arranged on outside described noise reduction
Between chamber and described noise reduction inner chamber.
13., according to the noise reduction structure of motor described in claim 1～12 any one, is characterized in that, described dynamic impeller cavity and institute
Stating and be provided with dynamic impeller cavity air outlet between silencing cavity, described dynamic impeller cavity air outlet includes tangential grid.
14. noise reduction structure of motor according to claim 13, is characterized in that, described 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 described gap is prime number.
16. 1 kinds of vacuum cleaners, including noise reduction structure of motor as claimed in claim 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648626.2A CN106073631B (en) | 2016-08-10 | 2016-08-10 | A kind of noise reduction structure of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610648626.2A CN106073631B (en) | 2016-08-10 | 2016-08-10 | A kind of noise reduction structure of motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106073631A true CN106073631A (en) | 2016-11-09 |
| CN106073631B CN106073631B (en) | 2019-01-11 |
Family
ID=57455993
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610648626.2A Active CN106073631B (en) | 2016-08-10 | 2016-08-10 | A kind of noise reduction structure of motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN106073631B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119409A (en) * | 2016-11-28 | 2018-06-05 | 天佑电器（苏州）有限公司 | A kind of exhauster(-tor motor |
| WO2019011314A1 (en) * | 2017-07-14 | 2019-01-17 | 美的集团股份有限公司 | Vacuum cleaner and motor module thereof |
| CN109247877A (en) * | 2017-07-14 | 2019-01-22 | 美的集团股份有限公司 | Dust catcher and its motor mould group |
| CN110051246A (en) * | 2019-04-09 | 2019-07-26 | 浙江理工大学 | A kind of energy conservation noise control cup body of soymilkgrinder and its anti-method for de-noising |
| CN111835130A (en) * | 2020-06-29 | 2020-10-27 | 添可智能科技有限公司 | Motor element and cleaning equipment |
| CN113541347A (en) * | 2021-07-15 | 2021-10-22 | 广东金霸智能科技股份有限公司 | Dust collector and dust collector motor assembly |
| WO2021254463A1 (en) * | 2020-06-18 | 2021-12-23 | 追觅创新科技(苏州)有限公司 | Fan cover, fan, and cleaning device |
| WO2023124659A1 (en) * | 2021-12-31 | 2023-07-06 | 苏州欧圣电气股份有限公司 | Vacuum cleaner |
| US11725669B2 (en) | 2020-06-18 | 2023-08-15 | Zhuichuang Technology (suzhou) Co., Ltd. | Wind shroud and a fan with the same |
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| CN2407708Y (en) * | 2000-01-12 | 2000-11-29 | 刘银桃 | Silencer for air exhausting gate pipe of cleaner |
| EP1325702A2 (en) * | 2002-01-03 | 2003-07-09 | Lg Electronics Inc. | Centrifugal blower for vacuum cleaner |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108119409A (en) * | 2016-11-28 | 2018-06-05 | 天佑电器（苏州）有限公司 | A kind of exhauster(-tor motor |
| WO2019011314A1 (en) * | 2017-07-14 | 2019-01-17 | 美的集团股份有限公司 | Vacuum cleaner and motor module thereof |
| CN109247877A (en) * | 2017-07-14 | 2019-01-22 | 美的集团股份有限公司 | Dust catcher and its motor mould group |
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| CN110051246A (en) * | 2019-04-09 | 2019-07-26 | 浙江理工大学 | A kind of energy conservation noise control cup body of soymilkgrinder and its anti-method for de-noising |
| WO2021254463A1 (en) * | 2020-06-18 | 2021-12-23 | 追觅创新科技(苏州)有限公司 | Fan cover, fan, and cleaning device |
| US11725669B2 (en) | 2020-06-18 | 2023-08-15 | Zhuichuang Technology (suzhou) Co., Ltd. | Wind shroud and a fan with the same |
| CN111835130A (en) * | 2020-06-29 | 2020-10-27 | 添可智能科技有限公司 | Motor element and cleaning equipment |
| CN113541347A (en) * | 2021-07-15 | 2021-10-22 | 广东金霸智能科技股份有限公司 | Dust collector and dust collector motor assembly |
| WO2023124659A1 (en) * | 2021-12-31 | 2023-07-06 | 苏州欧圣电气股份有限公司 | Vacuum cleaner |
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|---|---|
| CN106073631B (en) | 2019-01-11 |
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