CN207382115U - A kind of motor with decrease of noise functions - Google Patents
A kind of motor with decrease of noise functions Download PDFInfo
- Publication number
- CN207382115U CN207382115U CN201721501957.XU CN201721501957U CN207382115U CN 207382115 U CN207382115 U CN 207382115U CN 201721501957 U CN201721501957 U CN 201721501957U CN 207382115 U CN207382115 U CN 207382115U
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- Prior art keywords
- shell
- sound
- motor
- noise
- daughter board
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of motor with decrease of noise functions, including motor body, cooling device and denoising device, motor body includes first shell, cooling device includes second shell, second shell is detachably connected with first shell, and the madial wall of second shell and the lateral wall of first shell form sound absorption cavity；Denoising device includes reflecting plate and sound-absorbing pipe, reflecting plate are fixedly connected respectively with first shell and second shell, and positioned at the one end of sound absorption cavity away from air intake cover, sound-absorbing pipe is fixedly connected with second shell, and in the sound absorption cavity, sound-absorbing pipe has the first openend, and the first openend is towards reflecting plate.By forming sound absorption cavity between first shell and second shell, reflecting plate is located in sound absorption cavity, and the noise that fan generates is reflected into sound-absorbing pipe, the sound-absorbing energy dissipating to noise is realized, reduces the energy of noise, effectively reduce noise, excellent noise reduction effect.
Description
Technical field
The utility model is related to motor noise reduction technology field more particularly to a kind of motor with decrease of noise functions.
Background technology
Motor is widely used in the production of people, can be widely used in as the power source of all kinds of devices
On electric tool, household electrical appliances, digital product and automobile.
At present, motor can be led to the problem of higher at work, be typically to electricity using external cooling device in the market
Machine cools down, and it is more preferable to carry out cooling effect especially with fan housing structure.
But existing cooling device does not have a noise reduction measure, the fan in fan housing can generate loud noise, noise when rotating
It is obstructed in propagation path small so that the noise of surrounding motors is very big, noise pollution is formed, for a long time to the body and mind of operating personnel
Health causes harmful effect.
Utility model content
The purpose of this utility model is to provide a kind of motor with decrease of noise functions, it is intended to solve of the prior art
The technical issues of noise is big during motor running.
To achieve the above object, a kind of motor with decrease of noise functions that the utility model uses, the motor bag
Motor body, cooling device and denoising device are included, the motor body includes rack and the first shell to accommodate main shaft
Body, the first shell side of being fixed on the rack；The cooling device includes second shell, air intake cover and fan, described
Second shell is detachably connected with the first shell, the madial wall of the second shell and the lateral wall shape of the first shell
Into sound absorption cavity, the air intake cover is fixed on the second shell, and the fan is contained in the air intake cover, and is installed on described
Main shaft；The denoising device includes reflecting plate and sound-absorbing pipe, and the reflecting plate is consolidated respectively with the first shell and second shell
Fixed connection, and positioned at the one end of the sound absorption cavity away from the air intake cover, the sound-absorbing pipe is fixedly connected with the second shell,
And in the sound absorption cavity, the sound-absorbing pipe has the first openend, and first openend is towards the reflecting plate.
Wherein, the reflecting plate includes the first daughter board and the second daughter board, and first daughter board is fixed with second daughter board
Connection, the axis of first daughter board and the sound-absorbing pipe are vertically arranged, and the quantity of second daughter board is two, described in two
Second daughter board is located at the both ends of first daughter board respectively, and is set with first daughter board in angle.
Wherein, the denoising device further includes sound-absorbing part, and the sound-absorbing part is fixedly connected with the sound-absorbing pipe, and enclose in
The madial wall of the sound-absorbing pipe.
Wherein, the first shell and the second shell have multiple protrusions, and multiple protrusions are distributed in described the
The madial wall of the lateral wall of one housing and the second shell.
Wherein, the sound-absorbing pipe further includes the second openend, and the denoising device further includes muffler, the muffler with
The sound-absorbing pipe is fixedly connected, and passes through the first openend connection.
Wherein, the denoising device further includes damper, and the damper is fixedly connected with the rack, and positioned at described
One side of the rack away from the first shell.
The utility model provides a kind of motor with decrease of noise functions, passes through the first shell and the second shell
Between form the sound absorption cavity, the reflecting plate is located in sound absorption cavity, and the noise that the fan generates is reflected into the sound-absorbing
In pipe, the sound-absorbing energy dissipating to noise is realized, reduce the energy of noise, effectively reduce noise, excellent noise reduction effect.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it can also be obtained according to these attached drawings other attached drawings.
Fig. 1 is the structure diagram of the utility model motor；
Fig. 2 is the structure diagram of the utility model denoising device.
Specific embodiment
The embodiment of the utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is same or like element.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and it is not intended that the utility model
Limitation.
In the description of the utility model, it is to be understood that term " length ", " width ", " on ", " under ", " preceding ",
The orientation or position relationship of the instructions such as " rear ", "left", "right", " vertical ", " level ", " top ", " bottom " " interior ", " outer " are based on attached
Orientation or position relationship shown in figure are for only for ease of description the utility model and simplify description rather than instruction or imply
Signified device or element must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that this
The limitation of utility model.In addition, in the description of the utility model, " multiple " are meant that two or more, unless separately
There is clearly specific limit.
It please refers to Fig.1 and Fig. 2, a kind of motor 100 with decrease of noise functions that the utility model uses, the motor
100 include motor body 10, cooling device 20 and denoising device 30, and the motor body 10 includes rack 11 and to receive
Hold the first shell 12 of main shaft, the first shell 12 is fixed on 11 top of rack；The cooling device 20 includes second
Housing 21, air intake cover 22 and fan 23, the second shell 21 are detachably connected with the first shell 12, the second shell
21 madial wall and the lateral wall of the first shell 12 form sound absorption cavity 24, and the air intake cover 22 is fixed on the second shell
21, the fan 23 is contained in the air intake cover 22, and is installed on the main shaft；The denoising device 30 includes reflecting plate 31
With sound-absorbing pipe 32, the reflecting plate 31 is fixedly connected respectively at the first shell 12 with second shell 21, and positioned at the suction
The one end of sound chamber 24 away from the air intake cover 22, the sound-absorbing pipe 32 are fixedly connected with the second shell 21, and positioned at described
In sound absorption cavity 24, the sound-absorbing pipe 32 has the first openend 321, and first openend 321 is towards the reflecting plate 31.
In the present embodiment, the first shell 12 accommodates the main shaft, and the main shaft is in the first shell 12
Rotor and the lower rotation of stator effect.The first shell 12 offers opening, and opening is connected with the sound absorption cavity 24 so that electricity
The noise of machine body interior is equally passed in the sound absorption cavity 24.
In the present embodiment, 21 spaced setting of the first shell 12 and the second shell, the first shell
Sound absorbing layer is coated on the lateral wall of body 12, sound absorbing layer can be made of polyester fiber, slot wood, hole wood or mineral wool etc., right
Noise is absorbed.Similarly, 21 madial wall of second shell is also coated with sound absorbing layer, is imitated with the technology for reaching essentially identical
Fruit.
In the present embodiment, the reflecting plate 31 is fixed on the lateral wall of the first shell 12 and the second shell
Between 21 inner wall side, the reflecting plate 31 is lamellar, can be aluminum alloy materials, color Steel material, stainless steel material and carbon
Steel material is made, the laminal slight jitter under the action of noise of reflecting plate 31, and actively noise can be absorbed,
Realize positive sound-absorbing energy dissipating.In addition, be reflected into without absorbed noise by the reflecting plate 31 in the sound-absorbing pipe 32, into
The further noise reduction energy-absorbing of row.
The utility model provides a kind of motor with decrease of noise functions, passes through the first shell and the second shell
Between form the sound absorption cavity, the reflecting plate is located in sound absorption cavity, and the noise that the fan generates is reflected into the sound-absorbing
In pipe, the sound-absorbing energy dissipating to noise is realized, reduce the energy of noise, effectively reduce noise, excellent noise reduction effect.
Further, the reflecting plate 31 includes the first daughter board 311 and the second daughter board 312, first daughter board 311 and institute
It states the second daughter board 312 to be fixedly connected, the axis of first daughter board 311 and the sound-absorbing pipe 32 is vertically arranged, second son
The quantity of plate 312 is two, and two second daughter boards 312 are located at the both ends of first daughter board 311 respectively, and with described the
One daughter board 311 is set in angle.
In the present embodiment, first daughter board 311 is similarly to be lamellar, and first daughter board 311 is by slight
Shake carries out active energy-absorbing to noise.Second daughter board 312 is arranged on the both sides of first daughter board 311, and noise is put
Direction is penetrated to guide so that noise is reflected onto in the sound-absorbing pipe 32, meanwhile, the energy of noise in reflection process also by
Loss.In the embodiment of present embodiment, angle, angle are formed between second daughter board 312 and first daughter board 311
Towards the sound-absorbing pipe 32, the scope of angle is 45 °~80 °, is optimal with 60 °.
Further, the denoising device 30 further includes sound-absorbing part 33, and the sound-absorbing part 33 is fixed with the sound-absorbing pipe 32
Connection, and enclose in the madial wall of the sound-absorbing pipe 32.In the present embodiment, the sound-absorbing part 33 is tubular, is coated on institute
The madial wall of sound-absorbing pipe 32 is stated, absorbs the noise that the reflecting plate 31 is reflected into the sound-absorbing pipe 32.The sound-absorbing part 33
Multilayer can be set, reach better sound-absorbing effect of energy dissipation.
Further, the first shell 12 and the second shell 21 have multiple raised 25, multiple described raised 25
It is distributed in the lateral wall of the first shell 12 and the madial wall of the second shell 21.
As shown in Fig. 2, in the present embodiment, described raised 25 can be cylinder, truncated cone-shaped, triangular prism or other not
Regular shape, raised 25 Arbitrary distribution is in the lateral wall of the first shell 12 and the madial wall of the second shell 21
On, noise is by multiple described raised 25, by multiple reflections, and then the energy of smaller noise.In other embodiments, may be used also
To set recess on the lateral wall of the first shell 12 and the madial wall of the second shell 21, to reach essentially identical
Technique effect.
Further, the sound-absorbing pipe 32 further includes the second openend 322, and the denoising device 30 further includes muffler
34, the muffler 34 is fixedly connected with the sound-absorbing pipe 32, and is passed through first openend 321 and connected.In this embodiment party
In formula, the sound-absorbing pipe 32 is connected with the muffler 34, and the noise after above-mentioned sound-absorbing pipe 32 enters in muffler 34, makes
Noise is obtained more thoroughly to be eliminated.
Further, the denoising device 30 further includes damper 35, and the damper 35 is fixed with the rack 11 to be connected
It connects, and positioned at one side of the rack 11 away from the first shell 12.In the present embodiment, the rack 11 has branch
Foot, the damper 35 are mounted on leg, reduce the motor body 10 and vibrate, so reduce the first shell 12 with
The noise that the rack 11 is generated due to vibration.The damper 35 can be spring cushion 35, damping shock absorber 35 or
Rubber shock absorber 35 is optimal with spring cushion 35.
Above disclosed is only a kind of the utility model preferred embodiment, cannot limit this practicality with this certainly
New interest field, one of ordinary skill in the art will appreciate that realize all or part of flow of above-described embodiment, and according to
The equivalent variations that the utility model claims are made still fall within the scope that utility model is covered.
Claims (6)
1. a kind of motor with decrease of noise functions, which is characterized in that
The motor includes motor body, cooling device and denoising device,
The motor body includes rack and the first shell to accommodate main shaft, and the first shell is fixed on the rack
Top；
The cooling device includes second shell, air intake cover and fan, and the second shell detachably connects with the first shell
It connects, the lateral wall of the madial wall of the second shell and the first shell forms sound absorption cavity, and the air intake cover is fixed on described
Second shell, the fan are contained in the air intake cover, and are installed on the main shaft；
The denoising device includes reflecting plate and sound-absorbing pipe, and the reflecting plate is fixed respectively with the first shell and second shell
Connection, and positioned at the one end of the sound absorption cavity away from the air intake cover, the sound-absorbing pipe is fixedly connected with the second shell, and
In the sound absorption cavity, the sound-absorbing pipe has the first openend, and first openend is towards the reflecting plate.
2. there is the motor of decrease of noise functions as described in claim 1, which is characterized in that
The reflecting plate includes the first daughter board and the second daughter board, and first daughter board is fixedly connected with second daughter board, described
The axis of first daughter board and the sound-absorbing pipe is vertically arranged, and the quantity of second daughter board is two, two second daughter boards
It is located at the both ends of first daughter board respectively, and is set with first daughter board in angle.
3. there is the motor of decrease of noise functions as described in claim 1, which is characterized in that
The denoising device further includes sound-absorbing part, and the sound-absorbing part is fixedly connected with the sound-absorbing pipe, and encloses in the sound-absorbing
The madial wall of pipe.
4. there is the motor of decrease of noise functions as described in claim 1, which is characterized in that
The first shell and the second shell have multiple protrusions, and multiple protrusions are distributed in the outer of the first shell
The madial wall of side wall and the second shell.
5. there is the motor of decrease of noise functions as described in claim 1, which is characterized in that
The sound-absorbing pipe further includes the second openend, and the denoising device further includes muffler, the muffler and the sound-absorbing
Pipe is fixedly connected, and passes through the first openend connection.
6. there is the motor of decrease of noise functions as described in claim 1, which is characterized in that
The denoising device further includes damper, and the damper is fixedly connected with the rack, and separate positioned at the rack
The one side of the first shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501957.XU CN207382115U (en) | 2017-11-10 | 2017-11-10 | A kind of motor with decrease of noise functions |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721501957.XU CN207382115U (en) | 2017-11-10 | 2017-11-10 | A kind of motor with decrease of noise functions |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207382115U true CN207382115U (en) | 2018-05-18 |
Family
ID=62332529
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721501957.XU Expired - Fee Related CN207382115U (en) | 2017-11-10 | 2017-11-10 | A kind of motor with decrease of noise functions |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207382115U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096711A (en) * | 2018-10-25 | 2020-05-05 | 广东美的白色家电技术创新中心有限公司 | Motor cover assembly and dust collector with same |
-
2017
- 2017-11-10 CN CN201721501957.XU patent/CN207382115U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111096711A (en) * | 2018-10-25 | 2020-05-05 | 广东美的白色家电技术创新中心有限公司 | Motor cover assembly and dust collector with same |
| CN111096711B (en) * | 2018-10-25 | 2022-03-22 | 广东美的白色家电技术创新中心有限公司 | Motor cover assembly and dust collector with same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180518 Termination date: 20181110 |