CN205610923U - Loudspeaker module group - Google Patents
Loudspeaker module group Download PDFInfo
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- CN205610923U CN205610923U CN201620233530.5U CN201620233530U CN205610923U CN 205610923 U CN205610923 U CN 205610923U CN 201620233530 U CN201620233530 U CN 201620233530U CN 205610923 U CN205610923 U CN 205610923U
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- sound
- operatic tunes
- speaker
- speaker module
- granule
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Abstract
The utility model discloses a loudspeaker module group relates to electro -acoustic products technical field, which comprises an outer shell, the speaker monomer has been accommodated in the shell, the speaker monomer separates whole module inner chamber for two cavitys of the preceding operatic tunes and the back operatic tunes, back operatic tunes intussuseption is filled with inhales the sound granule, the free periphery of speaker is pasted and is had isolation parts, it is made by non - expanded material to inhale the sound granule. The utility model discloses loudspeaker module group has solved among the prior art behind the loudspeaker module group operatic tunes and has inhaled the sound granule and inhale the sound performance and utilize insufficient technical problem, the utility model discloses loudspeaker module group inhales the sound granule can maximum packing back cavity to make full use of fill inhale the sound granule inhale the sound performance, product acoustic performance is good, and production efficiency is high, low in production cost.
Description
Technical field
This utility model relates to electro-acoustic product technical field, particularly to a kind of speaker module.
Background technology
Speaker module is the important acoustic element of portable electric appts, has been used between the signal of telecommunication and acoustical signal
Conversion, be a kind of energy conversion device.Existing speaker module generally includes shell, contains speaker list in shell
Body, whole module inner chamber is separated into the front operatic tunes and two cavitys of the rear operatic tunes by loudspeaker monomer.(low in order to reduce the F0 of module
Frequently), spread bandwidth, technical staff would generally set up sound-absorbing part in the rear operatic tunes, and sound-absorbing part can effectively reduce the F0 of module, and
And make intermediate frequency curve the most smooth, it is a vitals in speaker module.Sound-absorbing part works in the rear operatic tunes
Degree has direct relation, at rear operatic tunes filling as much as possible sound-absorbing part to raising one's voice with the loading of sound-absorbing part in the rear operatic tunes
The lifting of device module performance has positive meaning.
Owing to after being limited to speaker module, operatic tunes space, encapsulating material material problem and sound-absorbing effect are not enough to realize sound
Learning performance requirement etc., acoustical cotton can not put into the rear operatic tunes as sound-absorbing part.Mostly technical staff is zeolite granular silk at present
Screen cloth is rolled into wrapper as sound-absorbing part, but wrapper can be limited by the shape and size of the rear operatic tunes, it is impossible to fill up
The whole rear operatic tunes；And the overall air permeability of wrapper is poor, have a strong impact on the utilization of the sound absorption qualities of zeolite granular, cause this envelope
Dress bag sound-absorbing part can not reach the requirement of product expection acoustical behavior.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of speaker module, the sound absorber of this speaker module
Material can farthest fill after the operatic tunes, and the sound absorption qualities of sound-absorbing material can be made full use of, product acoustical behavior is good, and technique
Simply, low cost.
For solving above-mentioned technical problem, the technical solution of the utility model is:
A kind of speaker module, including shell, contains loudspeaker monomer in described shell, described loudspeaker monomer is by whole
Individual module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes, is filled with sound-absorbing granule, described speaker in the described rear operatic tunes
The periphery of monomer is pasted with isolated part；Described sound-absorbing granule is prepared by non-foam material.
Wherein, described isolated part is screen cloth.
Wherein, the outside covering to go out acoustic aperture after described loudspeaker monomer pasted by described screen cloth.
Wherein, described isolated part is acoustical cotton.
Wherein, described acoustical cotton is longitudinally pasted onto all sides of described loudspeaker monomer, and the upper end of described acoustical cotton and under
End is all connected mutually with described shell.
Wherein, described shell includes the first housing and the second housing combined, described first housing and described
On two housings, the position of corresponding described loudspeaker monomer is all combined with steel disc.
Wherein, described non-foam material is the one in natural zeolite powder, white carbon, activated carbon or molecular sieve, or
The mixture of at least two material in described natural zeolite powder, white carbon, activated carbon or molecular sieve.
After have employed technique scheme, the beneficial effects of the utility model are:
Owing to being provided with sound-absorbing granule in the rear operatic tunes of this utility model speaker module, the periphery of loudspeaker monomer is pasted with
Isolated part, sound-absorbing granule is prepared by non-foam material.This kind after module in the operatic tunes directly fill sound-absorbing granule, and by every
The scheme of sound-absorbing granule and loudspeaker monomer has effectively been isolated so that sound-absorbing granule is not by the shape constraining of the rear operatic tunes from parts
The operatic tunes after being full of well, it is possible to farthest utilize back cavity volume to fill most sound-absorbing granules, it is to avoid because raising one's voice
Device module back cavity is irregularly shaped and limits the filling of sound-absorbing granule.The overall air permeability of sound-absorbing granule is not having screen cloth
In the case of wrapping and encapsulating the most unobstructed, greatly can promote the effective rate of utilization of sound-absorbing granule sound absorption qualities, on sound-absorbing granule
Duct can well increase after the volume of the operatic tunes, can effectively regulate module medium and low frequency behavior extension passband broadband, and inhale
After sound granule and module, the laminating degree of the operatic tunes is higher, is greatly improved the acoustical behavior of module.This utility model technology simultaneously
Scheme prior art is compared and is not only saved sound-absorbing granule wrapper operation, reduces assembling difficulty, also saves a large amount of simultaneously
Sound-absorbing granule sealed in unit, material and mould, be also effectively reduced the quantity of workman, save artificial, reduce production
Cost.
Owing to isolated part is screen cloth, screen cloth ensure that while sound-absorbing granule at effective isolation loudspeaker monomer
The circulation of air-flow, takies rear operatic tunes space less simultaneously, farthest can provide packing space for sound-absorbing granule, increase sound-absorbing
The loading of granule.
Owing to isolated part is acoustical cotton, acoustical cotton inherently has the function of sound-absorbing, at effective isolation speaker list
The F0 of module can be effectively reduced while body and sound-absorbing granule, be more beneficial for improving the medium and low frequency performance of module.
In sum, this utility model speaker module solves in prior art operatic tunes sound-absorbing granule after speaker module
Sound absorption qualities utilizes insufficient technical problem, after this utility model speaker module sound-absorbing granule can farthest be filled
Chamber, and make full use of the sound absorption qualities of filled sound-absorbing granule, product acoustical behavior is good, and production efficiency is high, and production cost is low.
Accompanying drawing explanation
Fig. 1 is the decomposition texture schematic diagram of this utility model speaker module embodiment one；
Fig. 2 is that the constitutional diagram of Fig. 1 does not comprises the second housing；
Fig. 3 is the structural representation of loudspeaker monomer in Fig. 2；
Fig. 4 is the A direction view of Fig. 3；
Fig. 5 is the sectional structure schematic diagram of this utility model speaker module embodiment two；
In figure: 10, the first housing, the 12, second housing, 30, loudspeaker monomer, 40, FPCB, 50, sound-absorbing granule, 60, net
Cloth, 70, acoustical cotton, 80, steel disc.
Detailed description of the invention
Below in conjunction with the accompanying drawings and embodiment, this utility model is expanded on further.
Refer both in the orientation related in this specification refer both under the direction of loudspeaker monomer vibrational system, orientation and raise one's voice
The direction of device monomer magnetic circuit system；The inner side related in this specification refers both to be positioned at the side of module intracavity, and outside refers both to
It is positioned at the side outside module inner chamber.
Embodiment one:
As Fig. 1 and Fig. 2 jointly shown in, a kind of speaker module, including shell, shell is by the first housing combined
10 and second housing 12 be combined into, contain loudspeaker monomer 30 in the space that the first housing 10 and the second housing 12 surround.
Whole module inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes, loudspeaker monomer 30 and the first housing by loudspeaker monomer 30
10 surround the front operatic tunes jointly；Loudspeaker monomer 30 and the second housing 12 surround the rear operatic tunes jointly, are filled with sound-absorbing in the rear operatic tunes
Grain 50, the periphery of loudspeaker monomer 30 is pasted with isolated part, and isolated part can effectively prevent sound-absorbing granule 50 entrance from raising one's voice
The inner chamber of device monomer 30, it is ensured that the normal work of loudspeaker monomer 30.
As Fig. 2, Fig. 3 and Fig. 4 jointly shown in, in present embodiment, isolated part is screen cloth 60, the quantity of screen cloth 60, shape
And size is all with after loudspeaker monomer 30, to go out acoustic aperture suitable, each screen cloth 60 is pasted covering respectively and is gone out outside acoustic aperture after each
Side.Screen cloth 60 effectively block sound-absorbing granule 50 from after go out to enter at acoustic aperture in loudspeaker monomer 30, protect speaker
The space taking the rear operatic tunes while monomer 30 is minimum so that can the maximum amount of filling sound-absorbing granule 50 in the rear operatic tunes.
As in figure 2 it is shown, sound-absorbing granule 50 is prepared by bonding agent pelletize by non-foam material, non-foam material includes natural
Zeolite powder, white carbon, activated carbon or molecular sieve etc., or at least two material mixing according to a certain percentage in above-mentioned material
Thing, but it is not limited to above-mentioned different materials, above-mentioned different materials is the preferred material of present embodiment.Outside the maximum of sound-absorbing granule
Footpath >=0.01mm, and the maximum height of the fill area less than the rear operatic tunes.The aperture of screen cloth 60 is 0.01mm～1mm, is selecting net
Need during cloth 60 aperture to select according to the external diameter of the sound-absorbing granule filled, it is ensured that the aperture of screen cloth 60 is less than sound-absorbing granule
External diameter.
As it is shown in figure 1, the position of corresponding loudspeaker monomer 30 is all molded and is combined with on the first housing 10 and the second housing 12
Steel disc 80, steel disc 80 reduces the height of module while protection loudspeaker monomer 30 the most to greatest extent so that speaker
Module is suitable for the development trend of portable electric appts slimming.
Embodiment two:
Present embodiment is essentially identical with embodiment one, and its difference is:
As it is shown in figure 5, isolated part is acoustical cotton 70, acoustical cotton 70 is laminated structure, is longitudinally pasted onto loudspeaker monomer
All sides of 30, and the top and bottom of acoustical cotton 70 are connected with the first housing 10 and the second housing 12 phase respectively.Acoustical cotton 70 exists
Play isolation loudspeaker monomer 30, while sound-absorbing granule 50, also there is sound absorption function, be more beneficial for improving speaker module
Medium and low frequency performance.
This utility model above-mentioned two embodiment is only by the filling to the rear operatic tunes in bulk for sound-absorbing granule to this utility model
In district and carried out the illustration of the technical scheme isolated with loudspeaker monomer by isolated part, be not intended to be limited to these two kinds
Scheme, and the structure of speaker module is also not necessarily limited to said structure, the technical solution of the utility model can be applicable to any one
Need to arrange in the rear operatic tunes in the module of sound-absorbing granule, thus no matter the structure of speaker module whether with this utility model phase
With, as long as by bulk for sound-absorbing granule to carrying out and loudspeaker monomer isolation in the fill area of the rear operatic tunes and by isolated part,
In order to expand the particles filled amount of sound-absorbing, the product of raising module acoustical behavior each falls within protection domain of the present utility model.
The first housing related in this specification and the name of the second housing are merely to distinguishing feature, not generation
Table position relationship therebetween and assembling sequence etc..
This utility model is not limited to above-mentioned specific embodiment, and those of ordinary skill in the art visualizes from above-mentioned
Sending out, without performing creative labour, all conversion made, within all falling within protection domain of the present utility model.
Claims (7)
1. speaker module, including shell, contains loudspeaker monomer in described shell, described loudspeaker monomer is by whole module
Inner chamber is divided into the front operatic tunes and two cavitys of the rear operatic tunes, is filled with sound-absorbing granule in the described rear operatic tunes, it is characterised in that described in raise
The periphery of sound device monomer is pasted with isolated part；Described sound-absorbing granule is prepared by non-foam material.
Speaker module the most according to claim 1, it is characterised in that described isolated part is screen cloth.
Speaker module the most according to claim 2, it is characterised in that described screen cloth is pasted and covered at described speaker list
The outside of acoustic aperture is gone out after body.
Speaker module the most according to claim 1, it is characterised in that described isolated part is acoustical cotton.
Speaker module the most according to claim 4, it is characterised in that described acoustical cotton is longitudinally pasted onto described speaker
All sides of monomer, and the top and bottom of described acoustical cotton are all connected mutually with described shell.
6. according to the speaker module described in claim 1 to 5 any claim, it is characterised in that described shell includes knot
Corresponding described loudspeaker monomer on the first housing being combined and the second housing, described first housing and described second housing
Position is all combined with steel disc.
Speaker module the most according to claim 6, it is characterised in that described non-foam material is natural zeolite powder, white
One in white carbon black, activated carbon or molecular sieve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233530.5U CN205610923U (en) | 2016-03-24 | 2016-03-24 | Loudspeaker module group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620233530.5U CN205610923U (en) | 2016-03-24 | 2016-03-24 | Loudspeaker module group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205610923U true CN205610923U (en) | 2016-09-28 |
Family
ID=56964556
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620233530.5U Active CN205610923U (en) | 2016-03-24 | 2016-03-24 | Loudspeaker module group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205610923U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134369A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN118075670A (en) * | 2024-04-25 | 2024-05-24 | 歌尔股份有限公司 | Sound absorption block, preparation method thereof, sounding module and electronic equipment |
-
2016
- 2016-03-24 CN CN201620233530.5U patent/CN205610923U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020134369A1 (en) * | 2018-12-27 | 2020-07-02 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN118075670A (en) * | 2024-04-25 | 2024-05-24 | 歌尔股份有限公司 | Sound absorption block, preparation method thereof, sounding module and electronic equipment |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |