CN207665209U - A kind of acoustical generator - Google Patents
A kind of acoustical generator Download PDFInfo
- Publication number
- CN207665209U CN207665209U CN201721860957.9U CN201721860957U CN207665209U CN 207665209 U CN207665209 U CN 207665209U CN 201721860957 U CN201721860957 U CN 201721860957U CN 207665209 U CN207665209 U CN 207665209U
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- Prior art keywords
- acoustical generator
- rib
- acoustic aperture
- body part
- breathable barrier
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- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
The utility model discloses a kind of acoustical generator, is related to electroacoustic device technical field.The acoustical generator includes shell, the shell includes body part, and outer surface goes out acoustic aperture in the body part, which is characterized in that the shell further includes：At least one rib that will go out acoustic aperture and be divided into multiple mutual not connected units；And at least go out the breathable barrier of acoustic aperture described in covering；The breathable barrier is at least partly combined fixation with the rib.Acoustical generator provided by the utility model can solve the technical issues of easy ting produce resonance when the breathable barrier size of acoustical generator is larger, to ensure the sound quality of acoustical generator, improve the properties of product of acoustical generator.
Description
Technical field
The utility model is related to electroacoustic techniques fields.More particularly, to a kind of acoustical generator.
Background technology
In current portable electronic device, minitype acoustic generator is essential acoustic element, on acoustical generator shell
Include acoustic aperture, in order to debug the acoustical behavior of acoustical generator, and prevents impurity outside portable electronic device and dust suitable
It out acoustic aperture and enters acoustical generator inside cavity, usually also need at acoustic aperture to add ventilative barrier assembly, barrier assembly of breathing freely
Usually select Air Filter.
Currently, the ventilative barrier assembly on acoustical generator shell uses the fixed structure design mode of surrounding substantially.But by
Not of uniform size in minitype acoustic generator various structures, the ventilative barrier assembly size of part minitype acoustic generator is larger.On shell
After ventilative barrier assembly becomes large-sized, resonance can be generated in vibrational system vibration processes, make the audio distortions of generator, sound
Qualitative change is poor, influences properties of product.
Accordingly, it is desirable to provide a kind of ventilative barrier assembly structure design of local stiffening, solves isolation group of breathing freely on shell
The resonance problems of part.
Utility model content
One purpose of the utility model is to be to provide a kind of acoustical generator, to solve the breathable barrier ruler when acoustical generator
The technical issues of easy ting produce resonance when very little larger ensures the sound quality of acoustical generator, improves the properties of product of acoustical generator.
In order to achieve the above objectives, the utility model uses following technical proposals：
A kind of acoustical generator, the acoustical generator include shell, and the shell includes body part, and in the body part
Outer surface goes out acoustic aperture, and the shell further includes：At least one rib that will go out acoustic aperture and be divided into multiple mutual not connected units；
And at least go out the breathable barrier of acoustic aperture described in covering；At least partly being combined with the rib for the breathable barrier is solid
It is fixed.
Preferably, by going out the body part interior side-wall surface corresponding to acoustic aperture, integrally extension is constituted the rib.
Preferably, the breathable barrier is in conjunction with the inner surface or outer surface for being fixed on the shell；This is ventilative
Separator is at least partly combined fixation with the inner surface of the rib or outer surface.
Preferably, the rib is strip structure.
Preferably, the rib block it is described go out acoustic aperture area much smaller than it is described go out acoustic aperture area.
Preferably, the shell includes to go out acoustic aperture described in and combined fixed framework with the body part surface,
The rib is located in the framework.
Preferably, the breathable barrier in conjunction be fixed on framework far from the body part a side surface on, or
In conjunction with being fixed between framework and body part.
Preferably, the shell includes the cyclic annular platform for going out acoustic aperture described in formed by body part surface outwardly convex
Rank portion, the rib are located in the circular step portion.
Preferably, the breathable barrier is in conjunction with the side surface far from the body part for being fixed on circular step portion
On.
Preferably, the breathable barrier be acoustical cotton, dust-proof screen cloth, non-woven fabrics, nylon mesh grid, wool weaving net or
One kind in adjustable sound paper.
The beneficial effects of the utility model are as follows：
A kind of acoustical generator provided by the utility model makes breathable barrier and acoustical generator shell using the fixed mode of surrounding
While body combines fixed, bead structures are also added in the bore region of speaking of shell, breathable barrier is reinforced.And by
The area that acoustic aperture is blocked out in rib is much smaller than out the gross area of acoustic aperture, and therefore, the structure design of rib can not influence sound
In the case of resistance, effectively inhibits the resonance of breathable barrier, ensure the sound quality of acoustical generator, improve the properties of product of acoustical generator.
Description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows that a kind of acoustical generator shell of preferred embodiment of the utility model goes out schematic top plan view at acoustic aperture；
Fig. 2 shows the A-A ' diagrammatic cross-sections of Fig. 1；
Fig. 3 shows that the acoustical generator shell of second of preferred embodiment of the utility model goes out schematic top plan view at acoustic aperture；
Fig. 4 shows the front view of Fig. 3；
Fig. 5 shows that the acoustical generator shell of the third preferred embodiment of the utility model goes out schematic top plan view at acoustic aperture；
Reference sign：1, breathable barrier；2, rib；3, body part；4, go out acoustic aperture.
Specific implementation mode
In following description given, for purposes of illustration, in order to provide comprehensive reason to one or more embodiment
Solution, numerous specific details are set forth.It may be evident, however, that these realities can also be realized without these specific details
Apply mode.In other examples, one or more embodiment for ease of description, well known structure and equipment are with block diagram
Form show.
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
The shell of breathable barrier generally use surrounding fixed mode and acoustical generator based on acoustical generator in the prior art
In conjunction with fixation, resonance is easy tod produce, influences acoustical generator sound quality, the utility model provides a kind of new acoustical generator structure, the sounding
The position that device goes out acoustic aperture in shell is equipped with rib, and breathable barrier can effectively be avoided to generate resonance with the vibration of vibrational system, from
And improve the acoustical behavior of acoustical generator.
Specifically, it is described in detail in conjunction with attached drawing.
As depicted in figs. 1 and 2, a kind of preferred embodiment of the utility model provides a kind of acoustical generator, the acoustical generator packet
Shell is included, the shell includes body part 3, and outer surface goes out acoustic aperture 4 in the body part 3, and the shell is also
It will go out the rib 2 that acoustic aperture 4 is divided into two mutual not connected units including one；And at least go out the ventilative of acoustic aperture 4 described in covering
Separator 1；The breathable barrier 1 is at least partly combined fixation with the rib 2.
The acoustical generator that the preferred embodiment provides makes breathable barrier 1 and acoustical generator using the fixed mode of surrounding
While shell combines fixed, in the structure for going out 4 region of acoustic aperture and also adding rib 2 of shell, extremely using breathable barrier 1
Combination between small part and the rib 2 is fixed so that breathable barrier 1 is further reinforced.And since rib 2 blocks
The area for going out acoustic aperture 4 is much smaller than out the gross area of acoustic aperture 4, and therefore, the structure design of rib 2 can be the case where not influencing acoustic resistance
Under, effectively inhibit the resonance of breathable barrier 1, ensures the sound quality of acoustical generator, improve the properties of product of acoustical generator.
Except enclosure body portion is gone out the sample that acoustic aperture marks off two mutual not connected units by an above-mentioned rib shown in figure 1
It can also be in other a variety of different patterns that acoustical generator enclosure body portion, which goes out acoustic aperture, outside formula, in the utility model.For example, Fig. 3 and
Fig. 4 shows the cross-shaped configuration that the rib 2 is integrated, and will go out acoustic aperture 4 and be divided into 4 mutual not connected units；Fig. 5 shows institute
It is three strip structures parallel to each other to state rib 2, and three ribs parallel to each other, which will go out acoustic aperture 4 and be divided into four, not to be connected to mutually
Unit, it is to be understood that it is all that rib is added at acoustic aperture in going out for acoustical generator shell, and reinforcing can be played by rib and breathed freely
The design of 1 effect of separator, should belong to the row of the scope of protection of the utility model.
In order to keep the globality of product stronger, the rib 2 is preferably by going out 3 madial wall of body part corresponding to acoustic aperture 4
Surface, which integrally extends, to be constituted, such structure design good integrity, good appearance, and technical process is simple, easy to produce.Ability
Field technique personnel are it is understood that bead structures can also be to be glued with the mutually independent part in enclosure body portion, then use
The modes such as connecing makes rib be combined fixation with the body part interior side-wall surface for going out corresponding to acoustic aperture, can equally reach prevent it is ventilative every
The effect of off member resonance.
As the deformation of a upper embodiment, the shell of the acoustical generator includes to be formed by body part surface outwardly convex
Around it is described go out acoustic aperture circular step portion, the rib is located in the circular step portion.In the structure of this acoustical generator
In, the breathable barrier be preferably in conjunction be fixed on circular step portion far from the body part a side surface on.The reality
It is identical as the advantage of a upper embodiment compared with the existing technology to apply the advantage of mode compared with the existing technology, it is no longer superfluous herein
It states.
Under the premise of not influencing rib 2 to 1 consolidation effect of breathable barrier, the breathable barrier 1 can be selective
Ground is in conjunction with the inner surface for being fixed on the shell, at this point, the inside at least partly with the rib 2 of the breathable barrier 1
Surface, which combines, to be fixed.Certainly, the breathable barrier can also be selectively in conjunction with the outer surface for being fixed on the shell, should
Breathable barrier is at least partly combined fixation with the outer surface of the rib.The binding site of breathable barrier can't shadow
Consolidation effect of the rib to breathable barrier is rung, therefore those skilled in the art can select according to actual needs.
In order to not influence the acoustic resistance of acoustical generator, while the reinforcement effect to breathable barrier can be played again, it is preferable that institute
State rib 2 block it is described go out acoustic aperture 4 area much smaller than it is described go out acoustic aperture 4 area.It is described in this preferred embodiment
The structure of rib 2 is preferably strip structure.Strip structure block it is described go out acoustic aperture 4 area it is relatively small, can accomplish not shadow
Ring the acoustic resistance of acoustical generator.It will be appreciated by persons skilled in the art that the structure of rib may be other in the utility model
Structure, such as zigzag etc. do not do further limitation herein.
The acoustical generator of the utility model, the breathable barrier 1 can be acoustical cotton, dust-proof screen cloth, non-woven fabrics, nylon volume
Any one in knitmesh, wool weaving net or adjustable sound paper, these materials do not interfere with the dust-proof and ventilative of breathable barrier 1
Effect can select breathable barrier 1 according to actual needs, not do further limitation herein.
In the another embodiment of the utility model, a kind of structure of acoustical generator is provided, the shell includes to enclose
Go out acoustic aperture and to be combined with the body part surface fixed framework around described, the rib is located in the framework.Because sending out
In the production process of sound device shell, go out acoustic aperture be typically sized to it is fixed, for the area according to actual needs to going out acoustic aperture
It is suitably adjusted, present embodiment adds frame structure on the surface of shell.It is described ventilative in this preferred embodiment
Separator can also combine in conjunction with being fixed on the side surface far from the body part of framework and be fixed on framework and body part
Between, both binding sites do not interfere with reinforcement effect of the rib to breathable barrier, and those skilled in the art can root
It is selected according to actual.In this acoustical generator structure, the combination of frame, rib and breathable barrier can be used as list
Only component, in conjunction with being fixed on the shell of acoustical generator.The embodiment compared with the existing technology possessed by other advantages with
Possessed advantage is identical compared with the existing technology for the above embodiment, and details are not described herein.
A kind of acoustical generator provided by the utility model is fixed on making breathable barrier combine using the fixed mode of surrounding
While on acoustical generator shell, the structure of rib is also added in the bore region of speaking of shell, breathable barrier is reinforced.
Since the area that rib blocks out acoustic aperture is much smaller than out the gross area of acoustic aperture, the structure design of rib can not influence
In the case of acoustic resistance, effectively inhibits the resonance of breathable barrier, ensure the sound quality of acoustical generator, improve the properties of product of acoustical generator.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the art, in above description
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (10)
1. a kind of acoustical generator, the acoustical generator includes shell, and the shell includes body part, and inside and outside the body part
Side surface goes out acoustic aperture, which is characterized in that the shell further includes：
At least one rib that will go out acoustic aperture and be divided into multiple mutual not connected units；And
At least go out the breathable barrier of acoustic aperture described in covering；
The breathable barrier is at least partly combined fixation with the rib.
2. a kind of acoustical generator according to claim 1, which is characterized in that the rib is by going out the body part corresponding to acoustic aperture
Interior side-wall surface, which integrally extends, to be constituted.
3. a kind of acoustical generator according to claim 1, which is characterized in that the breathable barrier is in conjunction with being fixed on the shell
The inner surface or outer surface of body；The breathable barrier at least partly with the inner surface of the rib or outside table
Face, which combines, to be fixed.
4. a kind of acoustical generator according to claim 1, which is characterized in that the rib is strip structure.
5. a kind of acoustical generator according to claim 1, which is characterized in that the rib block it is described go out acoustic aperture area it is remote
Less than it is described go out acoustic aperture area.
6. a kind of acoustical generator according to claim 1, which is characterized in that the shell include around it is described go out acoustic aperture and
Fixed framework, the rib is combined to be located in the framework with the body part surface.
7. a kind of acoustical generator according to claim 6, which is characterized in that the breathable barrier combines and is fixed on framework
On a side surface far from the body part, or combines and be fixed between framework and body part.
8. a kind of acoustical generator according to claim 1, which is characterized in that the shell includes outside by body part surface
What is convexed to form goes out the circular step portion of acoustic aperture described in, and the rib is located in the circular step portion.
9. a kind of acoustical generator according to claim 8, which is characterized in that the breathable barrier combines and is fixed on cyclic annular platform
On a side surface far from the body part in rank portion.
10. a kind of acoustical generator according to claim 1, which is characterized in that the breathable barrier is acoustical cotton, Air Filter
One kind in cloth, non-woven fabrics, nylon mesh grid, wool weaving net or adjustable sound paper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860957.9U CN207665209U (en) | 2017-12-27 | 2017-12-27 | A kind of acoustical generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721860957.9U CN207665209U (en) | 2017-12-27 | 2017-12-27 | A kind of acoustical generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207665209U true CN207665209U (en) | 2018-07-27 |
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ID=62943872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721860957.9U Active CN207665209U (en) | 2017-12-27 | 2017-12-27 | A kind of acoustical generator |
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| Country | Link |
|---|---|
| CN (1) | CN207665209U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021174562A1 (en) * | 2020-03-04 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
-
2017
- 2017-12-27 CN CN201721860957.9U patent/CN207665209U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021174562A1 (en) * | 2020-03-04 | 2021-09-10 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
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