CN204190544U - For the low noise air intake silencer cover structure of forced ventilation motor - Google Patents
For the low noise air intake silencer cover structure of forced ventilation motor Download PDFInfo
- Publication number
- CN204190544U CN204190544U CN201420695090.6U CN201420695090U CN204190544U CN 204190544 U CN204190544 U CN 204190544U CN 201420695090 U CN201420695090 U CN 201420695090U CN 204190544 U CN204190544 U CN 204190544U
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- CN
- China
- Prior art keywords
- fan housing
- urceolus
- inner core
- air intake
- forced ventilation
- 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.)
- Expired - Fee Related
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Abstract
The utility model relates to a kind of low noise air intake silencer cover structure for forced ventilation motor, comprise hush pipe, externally ventilated machine, hush pipe is one end enclosed construction, air inlet is offered at hush pipe, described hush pipe comprises fan housing urceolus and is located at the fan housing inner core in fan housing urceolus, described fan housing urceolus comprises the first fan housing urceolus and the second fan housing urceolus fixing with the first fan housing urceolus, and described fan housing inner core comprises the first fan housing inner core and the second fan housing inner core fixing with the first fan housing inner core.The utility model more convenient, easily can be arranged on air cooling motor rear end, greatly reduce ventilation noise, partial noise sponged, the urceolus of whole fan housing, inner tube structure all adopt the splitted structure be up and down bolted, dismounting and all very convenient to the wiring of forced ventilation small machine.
Description
Technical field
The utility model relates to motor noise reduction technology field, the low noise air intake silencer cover structure for forced ventilation motor that particularly a kind of structure is simple, reasonable in design, result of use is good.
Background technology
Usually, the air cooling motor of forced ventilation all can have outer ventilation circuit, realizes lowering the temperature to body by outer ventilation circuit.Outer ventilation circuit is generally made up of forced ventilation small machine, external fan, fan housing, cooler etc.And adopting fan housing structure common at present, the outer ventilation circuit existing defects of formation, sound-deadening and noise-reducing measure is not taked in rear end, and noise of motor is large.Forced ventilation air cooling motor outer ventilation line structure common at present, is formed primarily of forced ventilation small machine, air intake cover, external fan, cooler (cooling water pipe).When motor runs, small machine runs and drives external fan to rotate, and air is thrown away formation blast, air-flow enters air intake cover from rear end air inlet.External fan rotates, ventilation noise can be produced, ventilation noise mainly spreads out of from two paths: most spreads out of from the air inlet of air intake cover rear end, another part spreads out of from axle stretch end through cooling water pipe, common this structure electric machine, ventilation noise is obstructed little in propagation path, and does not have noise reduction measure, and the noise propagating into surrounding is large.Meanwhile, small machine runs the noise produced and propagates directly to surrounding, does not take noise reduction measure, superposes with mair motor noise, the noise of whole electric system is aggravated.
Summary of the invention
For deficiency of the prior art, the utility model provides a kind of structure simple, reasonable in design, the low noise air intake silencer cover structure for forced ventilation motor that result of use is good, can solve for the large situation of forced ventilation air cooling motor air intake cover noise, implement easy to use.
According to design provided by the utility model, a kind of low noise air intake silencer cover structure for forced ventilation motor, comprise the hush pipe being fixed on air cooling motor body rear end, and the externally ventilated machine be located in hush pipe, externally ventilated machine is coaxially connected with external fan, hush pipe is one end enclosed construction, air inlet is offered at hush pipe, described hush pipe comprises fan housing urceolus and is located at the fan housing inner core in fan housing urceolus, described fan housing urceolus comprises the first fan housing urceolus and the second fan housing urceolus fixing with the first fan housing urceolus, described fan housing inner core comprises the first fan housing inner core and the second fan housing inner core fixing with the first fan housing inner core.
Above-mentioned, the first fan housing urceolus and the second fan housing outer tube side wall intersection are provided with the circular hole interface for externally ventilated machine wiring.
Above-mentioned, the first fan housing urceolus and the second fan housing urceolus are fixed up and down by connecting bolt.
Above-mentioned, on the first fan housing urceolus and the second fan housing urceolus madial wall and/or bottom inside wall be provided with sound-absorbing material layer.
Above-mentioned, described sound-absorbing material layer is silencing cotton.
Above-mentioned, described first fan housing inner core and the second fan housing inner core are semi-circular.
Above-mentioned, described first fan housing inner core and the second fan housing inner core are fixed by connecting bolt.
Above-mentioned, the first fan housing urceolus and the second fan housing inner core are all fixed by flange arrangement and air intake cover.
Above-mentioned, the first fan housing urceolus and the second fan housing outer tube side wall are provided with net window air inlet.
The beneficial effects of the utility model:
The utility model structure is simple, reasonable in design, more convenient, easily can be arranged on air cooling motor rear end, repeatedly change ventilation noise efferent pathway, ventilation noise energy in communication process is reduced greatly, be provided with sound-absorbing material layer in silencer cover simultaneously, partial noise can be sponged, efficiently solve the most direct the spreading out of from air intake cover rear end of ventilation noise and cause the problem that motor ventilation noise is large; Externally ventilated machine as external fan power is located in silencer cover, externally ventilated machine runs the noise produced, and no longer propagates directly to surrounding, and after being through the absorption of the sound-absorbing material of silencer cover, spread out of from air inlet through multi-level curved paths, noise is reduced greatly.And the urceolus of whole fan housing, inner tube structure all adopt the splitted structure be up and down bolted, dismounting and all very convenient to the wiring of forced ventilation small machine.
accompanying drawing illustrates:
Fig. 1 is the outer ventilation circuit structural representation of motor in prior art;
Fig. 2 is outer ventilation circuit structural representation of the present utility model;
Fig. 3 is the low noise air intake silencer cover structural representation of the utility model for forced ventilation motor.
embodiment:
Number in the figure 1 represents air cooling motor body, and label 2 represents air intake cover, and label 31 represents external fan, label 4 represents cooling water pipe, label 5 represents externally ventilated machine, and label 6 represents hush pipe, and label 611 represents the first fan housing urceolus, label 612 represents the second fan housing urceolus, label 62 represents sound-absorbing material layer, and label 63 represents net window, and label 64 represents flange arrangement, label 651 represents the first fan housing inner core, and label 652 represents the second fan housing inner core.
Below in conjunction with accompanying drawing and technical scheme, the utility model is described in further detail, and describes execution mode of the present utility model in detail by following embodiment, but execution mode of the present utility model is not limited to this.
Embodiment one, shown in Fig. 1 ~ 3, a kind of low noise air intake silencer cover structure for forced ventilation motor, comprise the hush pipe being fixed on air cooling motor body rear end, and the externally ventilated machine be located in hush pipe, externally ventilated machine is coaxially connected with external fan, hush pipe is one end enclosed construction, air inlet is offered at hush pipe, described hush pipe comprises fan housing urceolus and is located at the fan housing inner core in fan housing urceolus, described fan housing urceolus comprises the first fan housing urceolus and the second fan housing urceolus fixing with the first fan housing urceolus, described fan housing inner core comprises the first fan housing inner core and the second fan housing inner core fixing with the first fan housing inner core.
Above-mentioned, the first fan housing urceolus and the second fan housing outer tube side wall intersection are provided with the circular hole interface for externally ventilated machine wiring.
Above-mentioned, the first fan housing urceolus and the second fan housing urceolus are fixed up and down by connecting bolt.
Above-mentioned, on the first fan housing urceolus and the second fan housing urceolus madial wall and/or bottom inside wall be provided with sound-absorbing material layer.
Above-mentioned, described sound-absorbing material layer is silencing cotton.
Above-mentioned, described first fan housing inner core and the second fan housing inner core are semi-circular.
Above-mentioned, described first fan housing inner core and the second fan housing inner core are fixed by opinion connecting bolt.
Above-mentioned, the first fan housing urceolus and the second fan housing inner core are all fixed by flange arrangement and air intake cover.
Above-mentioned, the first fan housing urceolus and the second fan housing outer tube side wall are provided with net window air inlet.
When air cooling motor runs, externally ventilated machine runs and drives external fan to rotate, and air is thrown away formation blast, and air-flow enters air intake cover from hush pipe side net window and air inlet, expands incoming air area.A ventilation noise part is absorbed by sound-absorbing material layer, another part, due to the obstruction of air intake cover, hush pipe, spreads out of, after the multi-level curved paths of hush pipe Inner Constitution from hush pipe side net window air inlet, Noise Penalty part energy, spreads out of noise and greatly reduces.Compared with the prior art shown in Fig. 1, the utility model more convenient, easily can be arranged on air cooling motor rear end, repeatedly change ventilation noise efferent pathway, ventilation noise energy in communication process is reduced greatly, be provided with sound-absorbing material layer in silencer cover simultaneously, partial noise can be sponged, efficiently solve the most direct the spreading out of from air intake cover rear end of ventilation noise and cause the problem that motor ventilation noise is large.Externally ventilated machine as external fan power is located in silencer cover, and it runs the noise produced, and no longer propagate directly to surrounding, and after being through the absorption of the sound-absorbing material of silencer cover, spread out of through multi-level curved paths from air inlet, noise is reduced greatly.And the urceolus of whole fan housing, inner tube structure all adopt the splitted structure be up and down bolted, dismounting and all very convenient to the wiring of forced ventilation small machine.
The utility model is not limited to above-mentioned embodiment, and those skilled in the art also can make multiple change accordingly, but to be anyly equal to the utility model or similar change all should be encompassed in the scope of the utility model claim.
Claims (9)
1. the low noise air intake silencer cover structure for forced ventilation motor, comprise the hush pipe being fixed on air cooling motor body rear end, and the externally ventilated machine be located in hush pipe, externally ventilated machine is coaxially connected with external fan, hush pipe is one end enclosed construction, air inlet is offered at hush pipe, it is characterized in that: described hush pipe comprises fan housing urceolus and is located at the fan housing inner core in fan housing urceolus, described fan housing urceolus comprises the first fan housing urceolus and the second fan housing urceolus fixing with the first fan housing urceolus, described fan housing inner core comprises the first fan housing inner core and the second fan housing inner core fixing with the first fan housing inner core.
2. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: the first fan housing urceolus and the second fan housing outer tube side wall intersection are provided with the circular hole interface for externally ventilated machine wiring.
3. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, its feature exists: the first fan housing urceolus and the second fan housing urceolus are fixed up and down by connecting bolt.
4. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: on the first fan housing urceolus and the second fan housing urceolus madial wall and/or bottom inside wall be provided with sound-absorbing material layer.
5. the low noise air intake silencer cover structure for forced ventilation motor according to claim 4, is characterized in that: described sound-absorbing material layer is silencing cotton.
6. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: described first fan housing inner core and the second fan housing inner core are semi-circular.
7. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: described first fan housing inner core and the second fan housing inner core are fixed by connecting bolt.
8. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: the first fan housing urceolus and the second fan housing inner core are all fixed by flange arrangement and air intake cover.
9. the low noise air intake silencer cover structure for forced ventilation motor according to claim 1, is characterized in that: the first fan housing urceolus and the second fan housing outer tube side wall are provided with net window air inlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695090.6U CN204190544U (en) | 2014-11-19 | 2014-11-19 | For the low noise air intake silencer cover structure of forced ventilation motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420695090.6U CN204190544U (en) | 2014-11-19 | 2014-11-19 | For the low noise air intake silencer cover structure of forced ventilation motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204190544U true CN204190544U (en) | 2015-03-04 |
Family
ID=52622514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420695090.6U Expired - Fee Related CN204190544U (en) | 2014-11-19 | 2014-11-19 | For the low noise air intake silencer cover structure of forced ventilation motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204190544U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394950A (en) * | 2017-09-19 | 2017-11-24 | 徐东旭 | A kind of explosion-proof motor fan cover of low noise |
| CN107676308A (en) * | 2017-10-21 | 2018-02-09 | 中船澄西船舶修造有限公司 | Air inlet denoising device |
-
2014
- 2014-11-19 CN CN201420695090.6U patent/CN204190544U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107394950A (en) * | 2017-09-19 | 2017-11-24 | 徐东旭 | A kind of explosion-proof motor fan cover of low noise |
| CN107676308A (en) * | 2017-10-21 | 2018-02-09 | 中船澄西船舶修造有限公司 | Air inlet denoising device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20150304 Termination date: 20191119 |