CN208017083U - A kind of hair dryer silencer for eliminating hair dryer noise - Google Patents
A kind of hair dryer silencer for eliminating hair dryer noise Download PDFInfo
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- CN208017083U CN208017083U CN201820336330.1U CN201820336330U CN208017083U CN 208017083 U CN208017083 U CN 208017083U CN 201820336330 U CN201820336330 U CN 201820336330U CN 208017083 U CN208017083 U CN 208017083U
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- hair dryer
- expansion
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Abstract
The utility model discloses a kind of hair dryer silencers for eliminating hair dryer noise that noise eliminates field, include intake stack, first partition, second partition, third partition board, the first expansion cavity, the second expansion cavity, third expansion cavity, the first resonant cavity and the second resonant cavity, resonant pipe and wind pipe in shell including shell;First partition is distributed in shell vertically with third partition board, the both ends horizontal of second partition is fixed on the side wall of first partition and third partition board, the inner cavity of the shell on the right side of first partition is the first expansion cavity, shell between first partition and third partition board is divided into the second expansion cavity and third expansion cavity by second partition, and the second expansion cavity is located above third expansion cavity;Multiple expansion cavities and resonant cavity is arranged in a kind of hair dryer silencer for eliminating hair dryer noise provided by the utility model, and multiple absorb repeatedly eliminates noise, and efficient, the frequency for absorbing noise is wide.
Description
Technical field
The utility model is related to noises to eliminate field, and in particular to a kind of hair dryer for eliminating hair dryer noise is eliminated the noise
Device.
Background technology
Hair dryer is small electric apparatus indispensable in daily life, is usually used in quickly drying up hair, be provided to people's lives
Prodigious facility.But the hair dryer generally existing currently on the market excessive problem of noise, the noise pollution of generation when using
The normal rest of household is usually bothered, user can also feel to perplex in use.
Utility model content
The technical issues of solution
The problem of proposed for existing background, the utility model provide a kind of electricity for eliminating hair dryer noise and blow
Wind silencer.
Technical solution
In order to achieve the above object, the utility model is achieved by the following technical programs:
It is a kind of for eliminating the hair dryer silencer of hair dryer noise, including shell, in the shell include intake stack,
First partition, second partition, third partition board, the first expansion cavity, the second expansion cavity, third expansion cavity, the first resonant cavity and second
Resonant cavity, resonant pipe and wind pipe;
The first partition is distributed in the shell vertically with the third partition board, the both ends water of the second partition
It is flat to be fixed on the side wall of the first partition and the third partition board, the inner cavity of the shell on the right side of the first partition
For first expansion cavity, the shell between the first partition and the third partition board is divided into institute by the second partition
The second expansion cavity and the third expansion cavity are stated, second expansion cavity is located above the third expansion cavity;Described first is total
Chamber shake in second expansion cavity, second resonant cavity is in the third expansion cavity;
Described intake stack one end is air inlet, and the other end of the intake stack passes through the first partition and described the
One resonant cavity connects, and the side wall of the intake stack is equipped with through-hole, and first resonant cavity passes through with second resonant cavity
The resonant pipe connection, first resonant cavity and the second resonant cavity side wall are equipped with through-hole, and the wind pipe is worn
It crosses the third partition board and is connect with second resonant cavity.
Further, it is pasted with sound-absorbing on the inner wall of the intake stack, the wind pipe and the resonant pipe
Piece.
Further, the first partition, the second partition, the third partition board are fabrics abatvoix.
Further, first resonant cavity and second resonant cavity are made of porous sound absorbing material.
Further, the outer surface of first resonant cavity and second resonant cavity is equipped with semi-cylindrical hill.
Advantageous effect
It is had the advantages that compared with known publicly-owned technology using technical solution provided by the utility model:
The multiple expansion cavities of setting and resonant cavity in shell, multiple absorb repeatedly eliminates noise, efficient, absorbs the frequency of noise
Rate is wide.
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 evident 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, other drawings may also be obtained based on these drawings.
Fig. 1 is the structural schematic diagram of the utility model;
Label in figure respectively represents:1- shells;2- intake stacks;3- first partitions;4- second partitions;5- thirds every
Plate;The first expansion cavities of 6-;The second expansion cavities of 7-;8- third expansion cavities;The first resonant cavities of 9-;The second resonant cavities of 10-;11- resonates
Pipeline;12- wind pipes;13- semi-cylindrical hills.
Specific implementation mode
It is new below in conjunction with this practicality to keep the purpose, technical scheme and advantage of the utility model embodiment clearer
Attached drawing in type embodiment, the technical scheme in the utility model embodiment is clearly and completely described.Obviously, it is retouched
The embodiment stated is the utility model a part of the embodiment, instead of all the embodiments.Based on the implementation in the utility model
Example, the every other embodiment that those of ordinary skill in the art are obtained without creative efforts belong to
The range of the utility model protection.
With reference to embodiment, the utility model will be further described.
Embodiment 1
In conjunction with Fig. 1:It is a kind of for eliminating the hair dryer silencer of hair dryer noise, including shell 1, in shell 1 include into
Wind pipeline 2, first partition 3, second partition 4, third partition board 5, the first expansion cavity 6, the second expansion cavity 7, third expansion cavity 8,
One resonant cavity 9 and the second resonant cavity 10, resonant pipe 11 and wind pipe 12;
First partition 3 is distributed in shell 1 vertically with third partition board 5, and the both ends horizontal of second partition 4 is fixed on first
For partition board 3 on the side wall of third partition board 5, the inner cavity of the shell 1 on the right side of first partition 3 is the first expansion cavity 6, second partition 4
Shell 1 between first partition 3 and third partition board 5 is divided into the second expansion cavity 7 and third expansion cavity 8, the second expansion cavity 7 is located at
8 top of third expansion cavity;First resonant cavity 9 is in the second expansion cavity 7, and the second resonant cavity 10 is in third expansion cavity 8;
2 one end of intake stack is air inlet, and the other end of intake stack 2 passes through first partition 3 and the first resonant cavity 9 to connect
It connecing, the side wall of intake stack 2 is equipped with through-hole, and the first resonant cavity 9 is connect with the second resonant cavity 10 by resonant pipe 11, and first
Resonant cavity 9 and 10 side wall of the second resonant cavity are equipped with through-hole, and wind pipe 12 passes through third partition board 5 and connects with the second resonant cavity 10
It connects.
Further, in order to preferably enhance noise elimination effect, intake stack 2, wind pipe 12 and resonant pipe 11 it is interior
Sound-absorbing piece is pasted on wall.
Further, in order to preferably enhance noise elimination effect, first partition 3, second partition 4, third partition board 5 are fabrics
Abatvoix.
Further, in order to preferably enhance noise elimination effect, the first resonant cavity 9 and the second resonant cavity 10 are by porous sound absorbing material
Material is made.
Further, in order to preferably enhance noise elimination effect, the outer surface of the first resonant cavity 9 and the second resonant cavity 10 is equipped with
Semi-cylindrical hill 13.Semi-cylindrical hill 13 increases the roughness of 10 outer surface of the first resonant cavity 9 and the second resonant cavity, works as air-flow
When entering in the second expansion cavity 7 and third expansion cavity 8, noise is being reflected into 10 appearance of the first resonant cavity 9 and the second resonant cavity
When face, the loss of acoustic energy becomes larger.
Air-flow enters intake stack 2 by air inlet, and the high frequency noise of portion gas is by the sound-absorbing on 2 inner wall of intake stack
Piece adsorbs, and a part of noise is pierced by the through-hole on 2 side wall of intake stack and enters the first expansion cavity 6, and noise is through overcompression and expansion
After offset part energy, then enter intake stack 2 again by through-hole, then enter the first resonant cavity 9 from intake stack 2,
First partition 3 is fabrics abatvoix, absorbs part intermediate frequency noise, in the first resonant cavity 9, air-flow passes through 8 side wall of the first resonant cavity
On through-hole enter the second expansion cavity 7, acoustic energy is offset after second of compand, then air-flow enters the by resonant pipe 11
Two resonant cavities 10 offset acoustic energy for the third time in third expansion cavity 8 in the same manner, and then air-flow is entered by wind pipe 12
Wind blowing gun.Such multiple sound-absorbing effectively eliminates the noise of the different frequency of wind blowing gun generation.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained in at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiments or example
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode of the utility model yet.Obviously, according in this specification
Hold, can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably explain this reality
With novel principle and practical application, to enable skilled artisan to be best understood by and utilize this practicality new
Type.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of hair dryer silencer for eliminating hair dryer noise, it is characterised in that:Including shell (1), the shell (1)
Interior includes intake stack (2), first partition (3), second partition (4), third partition board (5), the first expansion cavity (6), the second expansion
Chamber (7), third expansion cavity (8), the first resonant cavity (9) and the second resonant cavity (10), resonant pipe (11) and wind pipe (12);
The first partition (3) is distributed in the third partition board (5) in the shell (1) vertically, the second partition (4)
Both ends horizontal be fixed on the side wall of the first partition (3) and the third partition board (5), the right side of the first partition (3)
The inner cavity of the shell (1) of side is first expansion cavity (6), and the second partition (4) is by the first partition (3) and institute
It states the shell (1) between third partition board (5) and is divided into second expansion cavity (7) and the third expansion cavity (8), described
Two expansion cavities (7) are located above the third expansion cavity (8);First resonant cavity (9) is interior in second expansion cavity (7),
Second resonant cavity (10) is in the third expansion cavity (8);
Described intake stack (2) one end is air inlet, the other end of the intake stack (2) pass through the first partition (3) with
First resonant cavity (9) connection, the side wall of the intake stack (2) are equipped with through-hole, first resonant cavity (9) with it is described
Second resonant cavity (10) is connected by the resonant pipe (11), first resonant cavity (9) and second resonant cavity (10)
Side wall is equipped with through-hole, and the wind pipe (12) passes through the third partition board (5) and connect with second resonant cavity (10).
2. a kind of hair dryer silencer for eliminating hair dryer noise according to claim 1, it is characterised in that:It is described
It is pasted with sound-absorbing piece on the inner wall of intake stack (2), the wind pipe (12) and the resonant pipe (11).
3. a kind of hair dryer silencer for eliminating hair dryer noise according to claim 1, it is characterised in that:It is described
First partition (3), the second partition (4), the third partition board (5) are fabrics abatvoix.
4. a kind of hair dryer silencer for eliminating hair dryer noise according to claim 1, it is characterised in that:It is described
First resonant cavity (9) and second resonant cavity (10) are made of porous sound absorbing material.
5. a kind of hair dryer silencer for eliminating hair dryer noise according to claim 1, it is characterised in that:It is described
The outer surface of first resonant cavity (9) and second resonant cavity (10) is equipped with semi-cylindrical hill (13).
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CN201820336330.1U CN208017083U (en) | 2018-03-12 | 2018-03-12 | A kind of hair dryer silencer for eliminating hair dryer noise |
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CN201820336330.1U CN208017083U (en) | 2018-03-12 | 2018-03-12 | A kind of hair dryer silencer for eliminating hair dryer noise |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109330155A (en) * | 2018-11-27 | 2019-02-15 | 仇俊易 | A kind of hair dryer |
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2018
- 2018-03-12 CN CN201820336330.1U patent/CN208017083U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109330155A (en) * | 2018-11-27 | 2019-02-15 | 仇俊易 | A kind of hair dryer |
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