CN206129718U - Fall and make an uproar device and use this bladeless fan who falls device of making an uproar - Google Patents
Fall and make an uproar device and use this bladeless fan who falls device of making an uproar Download PDFInfo
- Publication number
- CN206129718U CN206129718U CN201621142588.5U CN201621142588U CN206129718U CN 206129718 U CN206129718 U CN 206129718U CN 201621142588 U CN201621142588 U CN 201621142588U CN 206129718 U CN206129718 U CN 206129718U
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- CN
- China
- Prior art keywords
- air intake
- intake passage
- annular groove
- denoising device
- porch
- 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 discloses a fall the device of making an uproar, be used in inlet air channel's entrance, including installing the end cover in inlet air channel's entrance, the end cover is the tube -shape, and one end is connected with inlet air channel's entrance, and the inside bending type of other end one -tenth no. 1 is towards the first ring channel of inlet air channel's entrance. An adopt the bladeless fan who falls the device of making an uproar, includes that foretell falling make an uproar the device and set up blade subassembly and motor, the air -out ring in inlet air channel, inlet air channel has two exit ends, and two exit ends feed through with the input of air -out ring, intercommunication department rounding off. Adopt above -mentioned structure the utility model discloses a set up the end cover in inlet air channel's entrance, set up first ring channel again on the end cover for the interior noise of entering inlet air channel makes the noise weaken gradually in inlet air channel in can being reflected back inlet air channel by first ring channel when the outdiffusion, reaches the purpose of noise reduction. The utility model discloses simple structure is ingenious, and the effect is showing.
Description
Technical field
This utility model is related to a kind of denoising device and the bladeless fan using the denoising device.
Background technology
Bladeless fan is a kind of common domestic fan, and because it does not have external blade, being particularly suitable for family has child
Client uses, but existing bladeless fan generally existing noise is larger, deficiency in draught defect, provides for this this utility model
A kind of denoising device and using the denoising device bladeless fan be used for solve the above problems.
Utility model content
In order to solve the above problems, this utility model provides a kind of denoising device and using the denoising device without leaf wind
Fan.
This utility model solves the technical scheme that its technical problem adopted：
A kind of denoising device, acts on the porch of air intake passage, including the end cap installed in the porch of air intake passage,
The end cap is cylindrical in shape, and one end is connected with the porch of air intake passage, and the other end bends inwards to form one towards air intake passage
The first annular groove of porch.
Denoising device also includes a noise reduction ring being located between air intake passage porch and end cap, and the noise reduction ring has one
Towards the second cannelure of first annular groove.
Sound-absorbing material is filled with the first annular groove.
Sound-absorbing material is filled with second cannelure.
The sound-absorbing material is set to sponge.
A kind of bladeless fan of employing denoising device, including air intake passage, the blade assembly that is arranged in air intake passage and
Motor, go out vane, the porch of the air intake passage is provided with an end cap, and the end cap is cylindrical in shape, one end and air intake passage
Porch connects, and the other end bends inwards to form a first annular groove towards the porch of air intake passage；The air intake passage
With two ports of export, two ports of export are connected with the input for going out vane, connectivity part rounding off.
One noise reduction ring being located between air intake passage porch and end cap, institute are also included using the bladeless fan of denoising device
Noise reduction ring is stated with second cannelure towards first annular groove.
Sound-absorbing material is filled with the first annular groove and the second cannelure.
The sound-absorbing material is set to sponge.
The minimum air intake section of the blade assembly is identical with the minimum air intake area of section of first annular groove；The air intake
A drainage screen is provided with passage, drainage screen is located between first annular groove and blade assembly, and drainage screen has air vent, is owned
Air vent the gross area more than or equal to first annular groove minimum air intake area of section.
The beneficial effects of the utility model are：Using this utility model of said structure by the porch of air intake passage
End cap is set, then first annular groove is set on end cap so that can be in meeting quilt when external diffusion into the noise in air intake passage
First annular groove is reflected back in air intake passage so that noise gradually weakens in air intake passage, reduces the purpose of noise.This
Utility model simple and ingenious structure, effect is significant.
Description of the drawings
This utility model is further illustrated with reference to the accompanying drawings and examples：
Fig. 1 is generalized section of the present utility model；
Fig. 2 is schematic diagram of the present utility model；
Fig. 3 is generalized section of the present utility model two.
Specific embodiment
It is a kind of denoising device shown in figure with reference to Fig. 1～Fig. 3, acts on the porch of air intake passage 1, including installation
In the end cap 2 of the porch of air intake passage 1, end cap 2 is cylindrical in shape, and one end is connected with the porch of air intake passage 1, and the other end is inside
It is bent to form a first annular groove 3 towards the porch of air intake passage 1.Using the denoising device of said structure by air intake
The porch of passage 1 arranges end cap 2, then first annular groove is arranged on end cap 2 so that can into the noise in air intake passage 1
Can be reflected back in air intake passage 1 by first annular groove when external diffusion so that noise shakes and gradually cut in air intake passage 1
It is weak, reduce the purpose of noise.This utility model simple and ingenious structure, effect is significant.
As illustrated, denoising device also includes a noise reduction ring 4 being located between the porch of air intake passage 1 and end cap 2, drop
Ring 4 of making an uproar has second cannelure 5 towards first annular groove 3, and the second cannelure 5 can cooperate with first annular groove 3, will
The sound wave of first annular groove reflection is reflected back, and prevents the cavity outside sound wave to air intake passage 1 from spreading to form internal sympathetic response so that
Noise concussion decay back and forth between the second cannelure 5 and first annular groove 3, in order to play more preferable noise reduction, first
Sound-absorbing material is filled with cannelure 3, further also sound-absorbing material can be filled with the second cannelure 5；Noise is through inhaling
Partially absorbed by sound-absorbing material during sound material, reach the quick effect for reducing noise, wherein, sound-absorbing material be set to sponge or its
Its macromolecule sound-absorbing material.
Reference picture 1- Fig. 3, is a kind of bladeless fan of employing denoising device shown in figure, including air intake passage 1, is arranged on
Blade assembly 6 and motor 7 in air intake passage 1, go out vane 8, the porch of air intake passage 1 is provided with an end cap 2, and end cap 2 is in
Tubular, one end is connected with the porch of air intake passage 1, and the other end bends inwards to form a porch towards air intake passage 1
First annular groove 3；Air intake passage 1 has two ports of export 9, and two ports of export 9 are connected with the input for going out vane 8, and connectivity part is round and smooth
Transition.Bladeless fan using said structure in the porch of air intake passage 1 by arranging end cap 2, then arranges the on end cap 2
One cannelure 3 so that air intake passage can be reflected back by first annular groove when external diffusion into the noise in air intake passage 1
In 1 so that noise concussion and gradually weakens in the air intake passage 1, reduces the purpose of noise, meanwhile, the port of export and air-out
The connectivity part rounding off of ring 8 can reduce out wind resistance, lift air-out efficiency, reduce the generation of noise.This utility model structure
Simple ingenious, effect is significant.
As illustrated, denoising device also includes a noise reduction ring 4 being located between the porch of air intake passage 1 and end cap, noise reduction
Ring 4 has second cannelure 5 towards first annular groove 3, and the second cannelure 5 can cooperate with first annular groove 3 so that
Noise concussion decay back and forth between the second cannelure 5 and first annular groove 3, in order to play more preferable noise reduction, first
Sound-absorbing material is filled with cannelure 3, further also sound-absorbing material can be filled with the second cannelure 5；Noise is through inhaling
Partially absorbed by sound-absorbing material during sound material, reach the quick effect for reducing noise, wherein, sound-absorbing material be set to sponge or its
Its macromolecule sound-absorbing material.
As illustrated, the minimum air intake area of section phase of the minimum air intake section of the blade assembly 6 and first annular groove
Together, air quantity maximum, the minimum effect of noise so be can reach；A drainage screen 10, drainage screen position are provided with the air intake passage
Between first annular groove and blade assembly, drainage screen has an air vent, and the gross area of all of air vent is more than or equal to the
The minimum air intake area of section of one cannelure, the drainage screen can smooth air intake, reduce noise.
Above-described embodiment is preferred version of the present utility model, and this utility model can also have other embodiments.Ability
The technical staff in domain can also make equivalent variations or replacement on the premise of without prejudice to this utility model spirit, the change of these equivalents
Type or replacement are all contained in the scope set by the application claim.
Claims (10)
1. a kind of denoising device, acts on the porch of air intake passage, it is characterised in that include being arranged on the entrance of air intake passage
The end cap at place, the end cap is cylindrical in shape, and one end is connected with the porch of air intake passage, and the other end bends inwards to form one towards entering
The first annular groove of the porch of wind passage.
2. a kind of denoising device as claimed in claim 1, it is characterised in that its also include one be located at air intake passage porch with
Noise reduction ring between end cap, the noise reduction ring has second cannelure towards first annular groove.
3. a kind of denoising device as claimed in claim 1, it is characterised in that sound-absorbing material is filled with the first annular groove.
4. a kind of denoising device as claimed in claim 2, it is characterised in that sound-absorbing material is filled with second cannelure.
5. a kind of denoising device as described in claim 3 or 4, it is characterised in that the sound-absorbing material is set to sponge.
6. a kind of bladeless fan of employing denoising device, it is characterised in that including air intake passage, the leaf being arranged in air intake passage
Piece component and motor, go out vane, the porch of the air intake passage is provided with an end cap, and the end cap is cylindrical in shape, one end with enter
The porch connection of wind passage, the other end bends inwards to form a first annular groove towards the porch of air intake passage；It is described
Air intake passage has two ports of export, and two ports of export are connected with the input for going out vane, connectivity part rounding off.
7. a kind of bladeless fan of employing denoising device as claimed in claim 6, it is characterised in that its also including one be located at into
Noise reduction ring at wind feeder connection and end cap between, the noise reduction ring has second cannelure towards first annular groove.
8. a kind of bladeless fan of employing denoising device as claimed in claim 7, it is characterised in that the first annular groove and
Sound-absorbing material is filled with second cannelure.
9. a kind of bladeless fan of employing denoising device as claimed in claim 8, it is characterised in that the sound-absorbing material is arranged
For sponge.
10. a kind of bladeless fan of employing denoising device as claimed in claim 6, it is characterised in that the blade assembly is most
Little air intake section is identical with the minimum air intake area of section of first annular groove；A drainage screen, mistake are provided with the air intake passage
Filter screen is located between first annular groove and blade assembly, and drainage screen has an air vent, the gross area of all of air vent be more than or
Equal to the minimum air intake area of section of first annular groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142588.5U CN206129718U (en) | 2016-10-20 | 2016-10-20 | Fall and make an uproar device and use this bladeless fan who falls device of making an uproar |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621142588.5U CN206129718U (en) | 2016-10-20 | 2016-10-20 | Fall and make an uproar device and use this bladeless fan who falls device of making an uproar |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206129718U true CN206129718U (en) | 2017-04-26 |
Family
ID=58573005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621142588.5U Expired - Fee Related CN206129718U (en) | 2016-10-20 | 2016-10-20 | Fall and make an uproar device and use this bladeless fan who falls device of making an uproar |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206129718U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337843A (en) * | 2016-10-20 | 2017-01-18 | 中山市创为电子科技有限公司 | Noise reduction device and bladeless fan using noise reduction device |
-
2016
- 2016-10-20 CN CN201621142588.5U patent/CN206129718U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106337843A (en) * | 2016-10-20 | 2017-01-18 | 中山市创为电子科技有限公司 | Noise reduction device and bladeless fan using noise reduction device |
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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: 20170426 Termination date: 20181020 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |