CN205610921U - Loudspeaker module - Google Patents
Loudspeaker module Download PDFInfo
- Publication number
- CN205610921U CN205610921U CN201620156402.5U CN201620156402U CN205610921U CN 205610921 U CN205610921 U CN 205610921U CN 201620156402 U CN201620156402 U CN 201620156402U CN 205610921 U CN205610921 U CN 205610921U
- Authority
- CN
- China
- Prior art keywords
- module
- shell
- acoustic aperture
- screen cloth
- damping screen
- 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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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a loudspeaker module relates to electro -acoustic products technical field, including the module shell, the speaker monomer has been accommodated in the module shell, be equipped with the hole of letting out that is used for adjusting the module internal gas pressure on the module shell, the speaker monomer with form the back operatic tunes between the shell, let out hole set up in on the shell corresponding to the position of the back operatic tunes, let out the downthehole outer bilateral symmetry of sound ground and respectively paste a damping screen cloth. This kind of structure can the reduce the vibration in -process because of letting out the inside and outside unbalanced problem of atmospheric pressure of the different speakers that cause of the ventilative volume in hole, effectively solved the uneven amplitude dissymmetry problem who causes of atmospheric pressure.
Description
Technical field
This utility model relates to electro-acoustic product technical field, keeps the equilibrium of module inner and outer air pressure particularly to one, and amplitude during diaphragm oscillations has good symmetric speaker module.
Background technology
Speaker module is the important acoustic element of portable electric appts, and it includes shell, contains loudspeaker monomer in shell, is formed with the rear operatic tunes between loudspeaker monomer and shell, and the rear operatic tunes is the space on rear side of loudspeaker monomer vibrating diaphragm.In order to extend the service life of speaker module and improve the acoustical behavior of speaker module; what technical staff would generally be provided with bigger acoustic resistance on module shell lets out acoustic aperture; let out acoustic aperture and can keep the exchange of air-flow inside and outside module, the air pressure of balance module inner chamber, also act as the effect of heat radiation simultaneously.Let out acoustic form the balance of diaphragm oscillations is had a direct impact, let out acoustic form by adjusting this, it is possible to adjust the symmetry of vibration amplitude.
In prior art, the conventional design letting out acoustic aperture in speaker module typically has two kinds, a kind of be aperture be more than 0.3mm let out at acoustic aperture paste 1 damping screen cloth, this screen cloth is affixed on inside speaker chamber or outside, but when there being gas shock, damping screen cloth elastic deformation attaches or causes vapor permeation area different away from letting out acoustic aperture；Another is designed as speaker and is provided with aperture and lets out acoustic aperture less than 0.2mm, but is limited by forming technique, the not easy-formation of the hole less than 0.2mm, and laser punching is relatively costly.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of speaker module, and this speaker module inner and outer air pressure equalizes, and amplitude during diaphragm oscillations has good symmetry.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of speaker module, including module shell, loudspeaker monomer is contained in described module shell, described module shell is provided with and lets out acoustic aperture for regulate module internal gas pressure, the operatic tunes after being formed between described loudspeaker monomer and described shell, described acoustic aperture of letting out is arranged on described shell the position corresponding to the described rear operatic tunes, described in let out and inside and outside acoustic aperture, be respectively pasted with a damping screen cloth.
Preferably, two each fixed bondings in end of described damping screen cloth have a layers of two-sided.
It is further preferred that the edge of described damping screen cloth flushes with the edge of described layers of two-sided.
It is further preferred that the distance being adhered between two described layers of two-sided of described damping screen cloth be more than described in let out the length of acoustic aperture.
It is further preferred that described layers of two-sided is fixed in the inner side and outer side of described shell symmetrically relative to described acoustic aperture of letting out.
It is further preferred that described damping screen cloth is symmetrical arranged with side inside and outside acoustic aperture relative to described letting out.
Employing can be after technique scheme, and the beneficial effects of the utility model are:
Acoustic aperture structure is let out, it is possible to reduce in vibration processes because letting out the unbalanced problem of speaker inner and outer air pressure that acoustic aperture Air permenbility difference causes, efficiently solve the amplitude asymmetry problem that air pressure imbalance causes by adjust speaker；This lets out acoustic aperture structure fabrication low cost and easily operates.
Accompanying drawing explanation
Fig. 1 is the structural representation of prior art speaker module；
Fig. 2 is the structural representation of this utility model speaker module；
Fig. 3 be prior art speaker module let out acoustic aperture structural representation；
Fig. 4 be this utility model speaker module let out acoustic aperture structural representation；
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing and embodiment, this utility model is further described, it should be understood that, specific embodiment described herein, only in order to explain this utility model, is not used to limit this utility model.
A kind of speaker module, including module shell 4, loudspeaker monomer is contained in described module shell 4, described module shell 4 is provided with and lets out acoustic aperture 2 for regulate module internal gas pressure, the operatic tunes after being formed between described loudspeaker monomer and described shell 4, described in let out acoustic aperture 2 and be arranged on described shell 4 position corresponding to the described rear operatic tunes.
Such as Fig. 1 or as shown in Figure 3, let out in acoustic aperture structure at prior art speaker module, a damping screen cloth 1 it is provided with in the outside or inner side letting out acoustic aperture 2, damping screen cloth 1 is produced deformation by gas shock, be attached to when letting out in acoustic aperture 2, non-hole just to part breathability poor, now vapor permeation area is equal to the product of hole area with damping screen cloth percent opening, damping screen cloth 1 is by gas shock away from when letting out acoustic aperture 2, and vapor permeation area is equal to the product of screen cloth vapor permeation area with screen cloth percent opening.Generally, screen cloth vapor permeation area is more than hole area, therefore airflow direction is different, and vapor permeation area has difference, and the inner and outer air pressure of speaker is unbalanced, easily causes the asymmetric of diaphragm oscillations.
As shown in Fig. 2 or 4, let out in acoustic aperture 2 structure at this utility model speaker module, let out acoustic aperture 2 two ends respectively paste one damping screen cloth 1 after, in inside and outside symmetrical structure, after gas shock, side screen cloth is close to let out in acoustic aperture 2, opposite side is away from letting out acoustic aperture 2, vapor permeation area is the product letting out acoustic aperture area with percent opening, air-flow is the most from inside to outside or from outside to inside, vapor permeation area is identical, so can reduce in vibration processes because letting out the impact that acoustic aperture Air permenbility difference causes, efficiently solve the amplitude asymmetry problem that air pressure imbalance causes.
As described in Figure 4, two each fixed bondings in end of damping screen cloth 1 have a layers of two-sided 3, layers of two-sided 3 and damping screen cloth 1 can be together with first fixed bondings, and the edge of damping screen cloth 1 flushes with the edge of layers of two-sided 3, save and damp the material of screen cloth 1 and ensure the most attractive in appearance of speaker simultaneously.The distance being adhered between two layers of two-sided 3 of same damping screen cloth 1 is more than letting out the length of acoustic aperture 2, and damping screen cloth 1 is that tool is resilient, and layers of two-sided 3 and letting out maintains a certain distance between acoustic aperture 2, is more beneficial for equalizing inside loudspeakers and outside air pressure.Layers of two-sided 3 is fixed in the inner side and outer side of shell 4 symmetrically relative to letting out acoustic aperture 2, and damping screen cloth 1 is symmetrical arranged with side inside and outside acoustic aperture 2 relative to letting out so that air-flow is the most from inside to outside or from outside to inside, percent opening is the same, and vapor permeation area is identical.
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art is from above-mentioned design, and without performing creative labour, all conversion made, within all falling within protection domain of the present utility model.
Claims (6)
1. a speaker module, including module shell, loudspeaker monomer is contained in described module shell, described module shell is provided with and lets out acoustic aperture for regulate module internal gas pressure, the operatic tunes after being formed between described loudspeaker monomer and described shell, described acoustic aperture of letting out is arranged on described shell the position corresponding to the described rear operatic tunes, it is characterised in that described in let out and inside and outside acoustic aperture, be respectively pasted with a damping screen cloth.
A kind of speaker module the most according to claim 1, it is characterised in that two each fixed bondings in end of described damping screen cloth have a layers of two-sided.
A kind of speaker module the most according to claim 2, it is characterised in that the edge of described damping screen cloth flushes with the edge of described layers of two-sided.
A kind of speaker module the most according to claim 2, it is characterised in that the distance being adhered between two described layers of two-sided of described damping screen cloth be more than described in let out the length of acoustic aperture.
A kind of speaker module the most according to claim 2, it is characterised in that described layers of two-sided is fixed in the inner side and outer side of described shell symmetrically relative to described acoustic aperture of letting out.
A kind of speaker module the most according to claim 1, it is characterised in that described damping screen cloth is symmetrical arranged with side inside and outside acoustic aperture relative to described letting out.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156402.5U CN205610921U (en) | 2016-03-01 | 2016-03-01 | Loudspeaker module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620156402.5U CN205610921U (en) | 2016-03-01 | 2016-03-01 | Loudspeaker module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610921U true CN205610921U (en) | 2016-09-28 |
Family
ID=56962593
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620156402.5U Expired - Fee Related CN205610921U (en) | 2016-03-01 | 2016-03-01 | Loudspeaker module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610921U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657616A (en) * | 2016-03-01 | 2016-06-08 | 歌尔声学股份有限公司 | Loudspeaker module |
-
2016
- 2016-03-01 CN CN201620156402.5U patent/CN205610921U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105657616A (en) * | 2016-03-01 | 2016-06-08 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN105657616B (en) * | 2016-03-01 | 2019-01-01 | 歌尔股份有限公司 | A kind of loudspeaker mould group |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: Goertek Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
|
| 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: 20160928 Termination date: 20200301 |