CN206364643U - A kind of noise reduction outer shroud of motor - Google Patents
A kind of noise reduction outer shroud of motor Download PDFInfo
- Publication number
- CN206364643U CN206364643U CN201621384106.7U CN201621384106U CN206364643U CN 206364643 U CN206364643 U CN 206364643U CN 201621384106 U CN201621384106 U CN 201621384106U CN 206364643 U CN206364643 U CN 206364643U
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- CN
- China
- Prior art keywords
- acoustical panel
- plate
- tubular
- fan housing
- noise reduction
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- 230000003584 silencer Effects 0.000 claims abstract description 18
- 241000270295 Serpentes Species 0.000 claims abstract description 6
- 230000030279 gene silencing Effects 0.000 claims description 16
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 description 8
- 238000005516 engineering process Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a kind of noise reduction outer shroud of motor, including the fan housing being located on external fan for electric machine and the silencer cover being arranged on fan housing, main air port is provided with the front side wall of the fan housing, the silencer cover is located on main air port, the silencer cover includes cylindrical sidewall and end cap, external diameter and the cylindrical sidewall internal diameter identical the first plate-like acoustical panel are provided with the inwall of end cap, multiple and cylindrical sidewall coaxial line the first tubular acoustical panel is provided with the silencer cover, and the first adjacent tubular acoustical panel of any two is separately positioned on the front side wall of fan housing and is used for the snake type air channel of air entrance to be formed on the first plate-like acoustical panel, the air inlet for connecting snakelike air channel is provided with cylindrical sidewall, the present apparatus adds the time that air draught flows through from acoustical panel by snakelike air channel, and the tubular design of acoustical panel adds the contact area of acoustical panel and air, airborne noise when air carries out heat exchange with motor can preferably be reduced.
Description
Technical field
The utility model is related to motor silencing technical field, more particularly to a kind of motor noise reduction outer shroud.
Background technology
The fan guard of current external fan for electric machine only has on metal shell, metal shell mostly offers air inlet, works as air
The high airborne noise of the decibel that can be produced by air inlet and during motor heat exchange, can be influenceed when serious staff hearing and
It is healthy, it is one layer of noise reduction of setting at the inwall and air inlet of fan guard mostly when carrying out noise reduction to motor in the prior art
Cotton, but be due to that motor wind speed is high, the time that air draught flows through from silencing cotton is short, erasure effect by being limited, with
User can not meet use by increasing the area and thickness of silencing cotton merely to the requirement more and more higher of the low airborne noise of motor
The demand at family.
Utility model content
The purpose of this utility model is to provide a kind of noise reduction outer shroud of motor, can extend air draught from acoustical panel
On time for flowing through, airborne noise when preferably reduction air carries out heat exchange with motor.
The technical solution adopted in the utility model is：A kind of noise reduction outer shroud of motor, including it is located at motor outer ventilation
Main air port, the main air port position are provided with fan housing and the silencer cover being arranged on fan housing on fan, the front side wall of the fan housing
In the front of external fan, the silencer cover is located on main air port, and the silencer cover includes cylindrical sidewall and for closing tubular
External diameter and the cylindrical sidewall internal diameter identical the first plate-like noise reduction are provided with the end cap of side wall one end, the inwall of the end cap
Multiple and cylindrical sidewall coaxial line the first tubular acoustical panel is provided with plate, the silencer cover, the multiple first tubular disappears
The thickness sum of the length of soundboard and the first plate-like acoustical panel is respectively less than the length of cylindrical sidewall, any two it is adjacent the
Spacing is respectively provided between one tubular acoustical panel, and the first adjacent tubular acoustical panel of any two is separately positioned on the front side of fan housing
It is used for the snake type air channel that air enters to be formed on wall and on the first plate-like acoustical panel, is provided with the cylindrical sidewall for connecting
Lead to the air inlet in snakelike air channel.
Funnel-form acoustical panel, the bottom of the funnel-form acoustical panel are further additionally provided with the first plate-like acoustical panel
Portion is provided with the second plate-like acoustical panel for closing funnel shape acoustical panel bottom opening, the second plate-like acoustical panel with it is described
Main air port just correspond to, the open-topped diameter of funnel-form acoustical panel be less than close to the first tubular acoustical panel diameter.
Further silencing groove is provided with the side wall of the first tubular acoustical panel.
Further it is arranged on silencing groove on the adjacent first tubular acoustical panel side wall of any two in correspondence with each other.
The further spacing all same between the first adjacent tubular acoustical panel of any two.
External diameter and the fan housing internal diameter identical the second tubular acoustical panel are further provided with the inwall of the fan housing.
Diameter and the disk of fan housing internal diameter identical the 3rd are further provided with the inwall of the front side wall of the fan housing
The opening matched with the main air port is provided with shape acoustical panel, the 3rd plate-like acoustical panel.
Further the multiple first tubular acoustical panel, the second tubular acoustical panel, the first plate-like acoustical panel, the second plate-like
Acoustical panel, the 3rd plate-like acoustical panel and funnel-form acoustical panel include two layers of perforation stainless steel plate and are arranged on two layers of perforation not
Silencing cotton between rust steel plate.
The utility model in silencer cover by being provided with the first tubular of multiple cylindrical sidewall coaxial lines with silencer cover
Acoustical panel, and the first adjacent tubular acoustical panel of any two is separately positioned on the front side wall of fan housing and the first plate-like acoustical panel
On be used to the snake type air channel that air enters, the air inlet for connecting snakelike air channel is provided with cylindrical sidewall, works as sky to be formed
Gas is after air inlet is entered in snakelike air channel, because snakelike air channel adds the time that air draught flows through from acoustical panel,
And the tubular design of acoustical panel adds the contact area of acoustical panel and air, it can preferably reduce air and carry out heat with motor
Airborne noise during exchange.
Funnel-form acoustical panel further is additionally provided with the first plate-like acoustical panel, the bottom of funnel-form acoustical panel is provided with
For the second plate-like acoustical panel of closing funnel shape acoustical panel bottom opening, the second plate-like acoustical panel and the main air port are just right
Should, the open-topped diameter of funnel-form acoustical panel be less than close to the first tubular acoustical panel diameter, when air passes through snake
When shape air channel enters main air port, funnel-form acoustical panel can carry out water conservancy diversion to the air of process, and further airborne noise is carried out
Absorb, strengthen erasure effect.
Silencing groove further is provided with the side wall of the first tubular acoustical panel, when air enters snakelike air channel,
Air at silencing groove and acoustical panel contact area it is bigger, erasure effect is more preferable.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
As shown in figure 1, the utility model includes the fan housing 1 being located on external fan for electric machine 3 and is arranged on disappearing on fan housing 1
Main air port 5 is offered on sound cover 8, the front side wall of the fan housing 1, the main air port 5 is located at the front of external fan 3, the noise reduction
Cover 8 is welded on the front side wall of fan housing 1, and silencer cover 8 is located at the outside of main air port 5 and covers on main air port 5 in silencer cover 8,
The silencer cover 8 is included on the cylindrical sidewall 8a and end cap 8b for closing cylindrical sidewall 8a one end, the inwall of the end cap 8b
It is welded with external diameter and the first plate-like of cylindrical sidewall 8a internal diameters identical acoustical panel 9.
Multiple and cylindrical sidewall 8a coaxial lines the first tubular acoustical panel 10 is provided with the silencer cover 8, it is the multiple
The length of first tubular acoustical panel 10 and the thickness sum of the first plate-like acoustical panel 9 are respectively less than cylindrical sidewall 8a length,
Spacing, and the first adjacent tubular acoustical panel 10 of any two are respectively provided between the first adjacent tubular acoustical panel 10 of any two
Being respectively welded on the front side wall of fan housing 1 and being formed on the first plate-like acoustical panel 9 is used for the snake type air channel that air enters, described
The air inlet 7 for connecting snakelike air channel is offered on cylindrical sidewall 8a, when air is entered in snakelike air channel by air inlet 7
Afterwards, because snakelike air channel adds the time that air draught flows through from acoustical panel, and the tubular design of acoustical panel is added and disappeared
The contact area of soundboard and air, can preferably reduce airborne noise when air carries out heat exchange with motor；Preferably appoint
Spacing all same between two the first adjacent tubular acoustical panels 10 of meaning, can so ensure that snakelike air channel height is more equal
It is even, air by during snakelike air channel not only wind path ratio smoothly, and airborne noise can be by acoustical panel uniform pickup, erasure effect
More preferably.
Silencing groove 13 is offered on the side wall of the first tubular acoustical panel 10, and is opened in any two adjacent first
Silencing groove 13 on the side wall of tubular acoustical panel 10 in correspondence with each other, when air is by snakelike air channel, the noise reduction of corresponding setting
Groove 13 formation cavity can increase air at silencing groove 13 and acoustical panel contact area, further enhance erasure effect.
Funnel-form acoustical panel 11, the open top of funnel-form acoustical panel 11 are also welded with the first plate-like acoustical panel 9
With the sidewall weld of the first plate-like acoustical panel 9, the bottom of the funnel-form acoustical panel 11 is welded with for closing funnel shape
Second plate-like acoustical panel 12 of the bottom opening of acoustical panel 11, the second plate-like acoustical panel 12 and positive corresponding, the institute of the main air port 5
State the open-topped diameter of funnel-form acoustical panel 11 be less than close to the first tubular acoustical panel 10 diameter, when air pass through it is snakelike
When air channel enters main air port 5, funnel-form acoustical panel 11 can carry out water conservancy diversion to the air of process, and further airborne noise is carried out
Absorb, strengthen erasure effect.
External diameter and the second tubular of the internal diameter identical acoustical panel 2 of fan housing 1 are welded with the inwall of the fan housing 1, it is described
Diameter and the plate-like acoustical panel 6 of 1 internal diameter identical of fan housing the 3rd, the described 3rd are welded with the inwall of the front side wall of fan housing 1
The opening 4 matched with the main air port 5 is provided with plate-like acoustical panel 6, when the air behind snakelike air channel passes through main wind
Mouth 5 enters after fan housing 1, the blade generation friction of air and the external fan 3 of rotation at a high speed, can also produce certain airborne noise,
The the second tubular acoustical panel 2 set in fan housing 1 and the 3rd plate-like acoustical panel 6 can carry out part suction to this partial air noise
Receive, strengthen erasure effect.
The multiple first tubular acoustical panel 10, the second tubular acoustical panel 2, the first plate-like acoustical panel 9, the second plate-like noise reduction
Plate 12, the 3rd plate-like acoustical panel 6 and funnel-form acoustical panel 11 include two layers of perforation stainless steel plate and are arranged on two layers of perforation
Silencing cotton between stainless steel plate, the acoustical panel of this structure is relatively common on the market, beneficial to cutting and weld, the present embodiment institute
The silencing apparatus stated be cut into tubular using this acoustical panel, the different shape such as discoid, be then welded into fan housing 1 and disappear
In sound cover 8, the present apparatus is simple in construction, easily fabricated, and good muffling effect, is a kind of very high external fan for electric machine noise reduction of practicality
Device.
Finally it should be noted that：Above example is only to illustrate the technical solution of the utility model, rather than its limitations；
Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should manage
Solution：It can still modify to the technical scheme described in previous embodiment, or to which part or whole technologies
Feature carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from the utility model reality
Apply the scope of a technical scheme.
Claims (8)
1. a kind of noise reduction outer shroud of motor, it is characterised in that including the fan housing being located on external fan for electric machine and be arranged on
Main air port is provided with silencer cover on fan housing, the front side wall of the fan housing, the main air port is located at the front of external fan, described
Silencer cover is located on main air port, and the silencer cover includes cylindrical sidewall and the end cap for closing cylindrical sidewall one end, described
It is provided with external diameter and the cylindrical sidewall internal diameter identical the first plate-like acoustical panel, the silencer cover and sets on the inwall of end cap
There are multiple and cylindrical sidewall coaxial line the first tubular acoustical panel, the length of the multiple first tubular acoustical panel and described first
The thickness sum of plate-like acoustical panel, which is respectively less than between the length of cylindrical sidewall, the first adjacent tubular acoustical panel of any two, to be had
There is spacing, and the first adjacent tubular acoustical panel of any two is separately positioned on the front side wall of fan housing and the first plate-like acoustical panel
On be used to the snake type air channel that air enters, the air inlet for connecting snakelike air channel is provided with the cylindrical sidewall to be formed.
2. a kind of noise reduction outer shroud of motor as claimed in claim 1, it is characterised in that：On the first plate-like acoustical panel
Funnel-form acoustical panel is additionally provided with, the bottom of the funnel-form acoustical panel is provided with for closing funnel shape acoustical panel bottom opening
The second plate-like acoustical panel, the second plate-like acoustical panel is just corresponding with the main air port, is opened at the top of the funnel-form acoustical panel
Mouthful diameter be less than close to the first tubular acoustical panel diameter.
3. a kind of noise reduction outer shroud of motor as claimed in claim 1 or 2, it is characterised in that：The first tubular noise reduction
Silencing groove is provided with the side wall of plate.
4. a kind of noise reduction outer shroud of motor as claimed in claim 3, it is characterised in that：It is arranged on any two adjacent
Silencing groove on one tubular acoustical panel side wall is in correspondence with each other.
5. a kind of noise reduction outer shroud of motor as claimed in claim 4, it is characterised in that：Adjacent first of any two
Spacing all same between shape acoustical panel.
6. a kind of noise reduction outer shroud of motor as claimed in claim 5, it is characterised in that：Set on the inwall of the fan housing
There are external diameter and the fan housing internal diameter identical the second tubular acoustical panel.
7. a kind of noise reduction outer shroud of motor as claimed in claim 6, it is characterised in that：The front side wall of the fan housing it is interior
Be provided with wall on diameter and the plate-like acoustical panel of fan housing internal diameter identical the 3rd, the 3rd plate-like acoustical panel be provided with
The opening that the main air port matches.
8. a kind of noise reduction outer shroud of motor as claimed in claim 7, it is characterised in that：The multiple first tubular noise reduction
Plate, the second tubular acoustical panel, the first plate-like acoustical panel, the second plate-like acoustical panel, the 3rd plate-like acoustical panel and funnel-form acoustical panel
Include two layers of perforation stainless steel plate and the silencing cotton being arranged between two layers of perforation stainless steel plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384106.7U CN206364643U (en) | 2016-12-16 | 2016-12-16 | A kind of noise reduction outer shroud of motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621384106.7U CN206364643U (en) | 2016-12-16 | 2016-12-16 | A kind of noise reduction outer shroud of motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206364643U true CN206364643U (en) | 2017-07-28 |
Family
ID=59374825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621384106.7U Active CN206364643U (en) | 2016-12-16 | 2016-12-16 | A kind of noise reduction outer shroud of motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206364643U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638600A (en) * | 2017-10-19 | 2018-01-30 | 新海科技集团有限公司 | Electronic nose sucking device |
| CN112421849A (en) * | 2020-12-22 | 2021-02-26 | 郑佳伟 | Motor cover convenient to clean |
-
2016
- 2016-12-16 CN CN201621384106.7U patent/CN206364643U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107638600A (en) * | 2017-10-19 | 2018-01-30 | 新海科技集团有限公司 | Electronic nose sucking device |
| CN112421849A (en) * | 2020-12-22 | 2021-02-26 | 郑佳伟 | Motor cover convenient to clean |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 312300 Economic Development Zone, Shangyu District, Shaoxing City, Zhejiang Province Patentee after: WOLONG ELECTRIC GROUP Co.,Ltd. Country or region after: China Patentee after: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. Address before: Shangyu District Economic Development Zone, Shaoxing City, Zhejiang Province Patentee before: WOLONG ELECTRIC GROUP Co.,Ltd. Country or region before: China Patentee before: WOLONG ELECTRIC NANYANG EXPLOSION PROTECTION GROUP Co.,Ltd. |