CN207004878U - A kind of low noise mixed flow fan case - Google Patents
A kind of low noise mixed flow fan case Download PDFInfo
- Publication number
- CN207004878U CN207004878U CN201720865136.8U CN201720865136U CN207004878U CN 207004878 U CN207004878 U CN 207004878U CN 201720865136 U CN201720865136 U CN 201720865136U CN 207004878 U CN207004878 U CN 207004878U
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- CN
- China
- Prior art keywords
- filter layer
- motor
- bellows casing
- impeller
- case body
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Abstract
The utility model proposes a kind of low noise mixed flow fan case, including：Motor case body and bellows casing are fixedly mounted on base according to tandem, the front side of bellows casing is provided with air inlet, the rear side of bellows casing is provided with air outlet, impeller is in bellows casing, close to the air inlet of bellows casing, primarily efficient filter layer is close to impeller, high efficiency filter layer is close to air outlet, primarily efficient filter layer, medium air filtration layer, the lower end of high efficiency filter layer is provided with water leg, the trench bottom that catchments connects drainpipe, bellows box inside wall is provided with multiple bloops, motor is arranged in motor case body, muffler is installed on the outside of motor case body, motor includes machine shaft, machine shaft connects the first drive, impeller includes impeller shaft, impeller shaft connects the second drive, first drive and the second drive are connected by conveyer belt.The utility model can effectively reduce noise, and improve job security.
Description
Technical field
Blower fan cabinet technical field is the utility model is related to, more particularly to a kind of low noise mixed flow fan case.
Background technology
Flow-mixing blower fan is the blower fan between axial flow blower and centrifugal blower, the impeller of flow-mixing blower fan both done by air from
The heart motion again axially moves, in shell the motion of air be mixed with axle stream with centrifugation two kinds of forms of motion, coefficient of wind pres is than axle stream
Blower fan is high, and discharge coefficient is bigger than centrifugal blower, is provided simultaneously with filling the characteristics of simple and convenient.For office building, music, of such as handling official business
The place stricter to fan noise control ratio such as school and movie theatre is when using flow-mixing blower fan, although having splendid open air exhaust effect
Fruit, but effective control for noise is improved and improved in degree by the existing flow-mixing blower fan internal structure to itself
Through not reaching higher and higher requirement.So promoted the use of for this new and effective blower fan type of flow-mixing blower fan
On, for, it is necessary to the necessary breakthrough structural improvement of flow-mixing blower fan progress, reaching expansion in strict the problems such as controlling noise
The purpose of use range.
Utility model content
In view of the above-mentioned problems, the purpose of this utility model is to propose a kind of low noise mixed flow fan case, can be effective
Noise is reduced, and improves job security.
Technical scheme is used by the utility model solves above-mentioned technical problem：A kind of low noise mixed flow fan case,
Including：Base, bellows casing, motor case body, motor, wind wheel, muffler, primarily efficient filter layer, medium air filtration layer, high efficiency filter
Layer, the motor case body and the bellows casing are fixedly mounted on the base according to tandem, the bellows casing
Front side is provided with air inlet, and the rear side of the bellows casing is provided with air outlet, and the impeller is in the bellows casing, close to wind
The air inlet of box body, the primarily efficient filter layer, medium air filtration layer, high efficiency filter layer are sequentially arranged in the bellows casing, institute
Primarily efficient filter layer is stated close to the impeller, the high efficiency filter layer is close to the air outlet, the primarily efficient filter layer, medium air filtration
Layer, the lower end of high efficiency filter layer are provided with water leg, the trench bottom connection drainpipe that catchments, and the bellows cabinet wall is provided with
Multiple bloops, the motor are arranged in the motor case body, and muffler, the motor are provided with the outside of the motor case body
Including machine shaft, the machine shaft connects the first drive, and impeller includes impeller shaft, the impeller shaft connection second
Drive, first drive and the second drive are connected by conveyer belt, and it is outer that the transmission belt periphery is provided with protection
Shell, one end connection bellows casing of the protection shell, other end connection motor case body.
Further, the motor case body is provided with multiple heat emission holes.
Further, the material of the motor case body uses quieter material.
Further, the base lower end is provided with beam.
Further, the air inlet and the air outlet are mounted on air door, and the air door can upper and lower push-and-pull.
The utility model has the advantage of：Because some dust easily explode under electrostatic interaction, if motor is pacified
It can be very dangerous in bellows casing, so motor is arranged on outside bellows casing by the utility model, in the prior art typically
Motor is all arranged on to the top of bellows casing, can so increase the heavy burden of bellows casing, and because the vibrations of motor can draw
Blow the vibrations of box body, be unfavorable for the stability of impeller work, so motor is arranged on bellows casing by the utility model
Front side；Simultaneously because the noise of mixed flow motor is bigger, so motor is arranged in motor case body, motor case body uses noise reduction
Material, noise decibel is substantially reduced, and muffler is also set outside motor case body, reduce further noise；Bellows casing
Interior setting three layer filtration layer, gathers the form filtered step by step and is filtered, substantially increase filtering accuracy, reduces some and easily occurs
The dust of electrostatic, and water leg is provided with the lower end of primarily efficient filter layer, medium air filtration layer, high efficiency filter layer, in time will be air-cooled
But water is drained, and reduces the noise brought due to cooling water vibrations；Bloop is set on bellows box inside wall, can effectively be inhaled
Receive wheel rotation sound and sound of the wind；Protection shell is set in transmission belt periphery, prevents from bringing to staff because conveyer belt crumbles
Injury；Crash roll is provided below in base, further prevents motor and impeller from shaking caused displacement and the noise brought.
Brief description of the drawings
, below will be right in order to illustrate more clearly of the utility model embodiment or technical scheme of the prior art
The required accompanying drawing used is briefly described in embodiment or description of the prior art, it should be apparent that, describe below
In accompanying drawing be some embodiments of the present utility model, for those of ordinary skill in the art, do not paying creativeness
On the premise of work, other accompanying drawings can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of structural representation of low noise mixed flow fan case of the present utility model.
Wherein：1st, bellows casing；2nd, motor case body；3rd, impeller；4th, motor；5th, base；6th, beam；7th, primarily efficient filter
Layer；8th, medium air filtration layer；9th, bloop；10th, air inlet；11st, air outlet；12nd, high efficiency filter layer；13rd, water leg；14th, draining
Pipe；15th, muffler；16th, heat emission hole；17th, conveyer belt.
Embodiment
The technical solution of the utility model is clearly and completely described below in conjunction with accompanying drawing, it is clear that described
Embodiment is the utility model part of the embodiment, rather than whole embodiments.Based on the embodiment in the utility model, sheet
The every other embodiment that field those of ordinary skill is obtained under the premise of creative work is not made, belongs to this practicality
Novel protected scope.
, it is necessary to explanation in description of the present utility model, term " " center ", " on ", " under ", it is "left", "right", " perpendicular
Directly ", the orientation of the instruction such as " level ", " interior ", " outer " or position relationship are based on orientation shown in the drawings or position relationship, are only
Described for the ease of description the utility model and simplifying, rather than instruction or imply signified device or element must have it is specific
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to limitation of the present utility model.In addition, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
As shown in figure 1, a kind of low noise mixed flow fan case, including：Base 5, bellows casing 1, the casing 2 of motor 4, motor
4th, wind wheel, muffler 15, primarily efficient filter layer 7, medium air filtration layer 8, high efficiency filter layer 12, the casing 2 of motor 4 and the bellows
Casing 1 is fixedly mounted on the base 5 according to tandem, and the front side of the bellows casing 1 is provided with air inlet 10, the wind
The rear side of box body 1 is provided with air outlet 11, and the impeller 3 is in the bellows casing 1, close to the air inlet of bellows casing 1
10, the primarily efficient filter layer 7, medium air filtration layer 8, high efficiency filter layer 12 are sequentially arranged in the bellows casing 1, described just to imitate
Filtering layer 7 is close to the impeller 3, and the high efficiency filter layer 12 is close to the air outlet 11, the primarily efficient filter layer 7, medium air filtration
Layer 8, the lower end of high efficiency filter layer 12 are provided with water leg 13, and the bottom of water leg 13 connects drainpipe 14, the bellows casing 1
Inwall is provided with multiple bloops 9, and the motor 4 is arranged in the casing 2 of motor 4, and the outside of 4 casing of motor 2 is installed
There is muffler 15, the motor 4 includes the rotating shaft of motor 4, and the rotating shaft of motor 4 connects the first drive, and impeller 3 includes impeller 3
Rotating shaft, the rotating shaft of impeller 3 connect the second drive, and first drive and the second drive are driven by conveyer belt 17 to be connected
Connect, the transmission belt periphery is provided with protection shell, one end connection bellows casing 1 of the protection shell, other end connection motor 4
Casing 2.
Further, the casing 2 of motor 4 is provided with multiple heat emission holes 16.
Further, the material of the casing 2 of motor 4 uses quieter material.
Further, the lower end of base 5 is provided with beam 6.
Further, the air inlet 10 and the air outlet 11 are mounted on air door, and the air door can upper and lower push-and-pull.
A kind of low noise mixed flow fan case of the present utility model, due to some dust easily occur under electrostatic interaction it is quick-fried
It is fried, it can be very dangerous if motor is arranged in bellows casing, so motor is arranged on outside bellows casing by the utility model, it is existing
There is the general top that motor is all arranged on to bellows casing in technology, can so increase the heavy burden of bellows casing, and due to electricity
The vibrations of machine can cause the vibrations of bellows casing, be unfavorable for the stability of impeller work, so the utility model installs motor
In the front side of bellows casing；Simultaneously because the noise of mixed flow motor is bigger, so motor is arranged in motor case body, motor
Casing uses quieter material, substantially reduces noise decibel, and muffler is also set outside motor case body, reduce further and makes an uproar
Sound；Three layer filtration layer is set in bellows casing, the form filtered step by step is gathered and is filtered, substantially increase filtering accuracy, subtract
Some few easy dust that electrostatic occurs, and be provided with and catchment in the lower end of primarily efficient filter layer, medium air filtration layer, high efficiency filter layer
Groove, air cooling water is drained in time, reduce the noise brought due to cooling water vibrations；Noise reduction is set on bellows box inside wall
Hole, it can effectively absorb wheel rotation sound and sound of the wind；Transmission belt periphery set protection shell, prevent due to conveyer belt crumble to
The injury that staff brings；Crash roll is provided below in base, further prevent motor and impeller shake caused by displacement with
And the noise brought.
Finally it should be noted that：Various embodiments above is only to illustrate the technical solution of the utility model, rather than it is limited
System；Although the utility model is described in detail with reference to foregoing embodiments, one of ordinary skill in the art should
Understand：It can still modify to the technical scheme described in foregoing embodiments, either to which part or whole
Technical characteristic carries out equivalent substitution；And these modifications or replacement, the essence of appropriate technical solution is departed from this practicality newly
The scope of each embodiment technical scheme of type.
Claims (5)
- A kind of 1. low noise mixed flow fan case, it is characterised in that including：Base, bellows casing, motor case body, motor, wind Wheel, muffler, primarily efficient filter layer, medium air filtration layer, high efficiency filter layer, the motor case body and the bellows casing are according to front and rear Order is fixedly mounted on the base, and the front side of the bellows casing is provided with air inlet, and the rear side of the bellows casing is provided with Air outlet, impeller is in the bellows casing, close to the air inlet of bellows casing, the primarily efficient filter layer, medium air filtration layer, High efficiency filter layer is sequentially arranged in the bellows casing, and the primarily efficient filter layer leans on close to the impeller, the high efficiency filter layer The nearly air outlet, the primarily efficient filter layer, medium air filtration layer, the lower end of high efficiency filter layer are provided with water leg, the water leg Bottom connects drainpipe, and the bellows cabinet wall is provided with multiple bloops, and the motor is arranged in the motor case body, Muffler is installed on the outside of the motor case body, the motor includes machine shaft, and the machine shaft connects the first drive, Impeller includes impeller shaft, and the impeller shaft connects the second drive, and first drive and the second drive pass through biography V belt translation is sent to connect, the transmission belt periphery is provided with protection shell, one end connection bellows casing of the protection shell, the other end Connect motor case body.
- 2. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that the motor case body is provided with Multiple heat emission holes.
- A kind of 3. low noise mixed flow fan case according to claim 1, it is characterised in that the material of the motor case body Using quieter material.
- 4. a kind of low noise mixed flow fan case according to claim 1, it is characterised in that the base lower end, which is provided with, to be subtracted Shake pad.
- A kind of 5. low noise mixed flow fan case according to claim 1, it is characterised in that the air inlet and it is described go out Air port is mounted on air door, and the air door can upper and lower push-and-pull.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865136.8U CN207004878U (en) | 2017-07-17 | 2017-07-17 | A kind of low noise mixed flow fan case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720865136.8U CN207004878U (en) | 2017-07-17 | 2017-07-17 | A kind of low noise mixed flow fan case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207004878U true CN207004878U (en) | 2018-02-13 |
Family
ID=61454898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720865136.8U Expired - Fee Related CN207004878U (en) | 2017-07-17 | 2017-07-17 | A kind of low noise mixed flow fan case |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207004878U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829216A (en) * | 2018-06-15 | 2018-11-16 | 北京无线电测量研究所 | A kind of low noise VPX cabinet |
| CN109386506A (en) * | 2018-09-28 | 2019-02-26 | 安徽环科泵阀有限公司 | A kind of centrifugal pump Noise insulati on device and its centrifugal pump |
-
2017
- 2017-07-17 CN CN201720865136.8U patent/CN207004878U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108829216A (en) * | 2018-06-15 | 2018-11-16 | 北京无线电测量研究所 | A kind of low noise VPX cabinet |
| CN109386506A (en) * | 2018-09-28 | 2019-02-26 | 安徽环科泵阀有限公司 | A kind of centrifugal pump Noise insulati on device and its centrifugal pump |
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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 |
Granted publication date: 20180213 Termination date: 20210717 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |