CN206908837U - A kind of sound-producing device module - Google Patents
A kind of sound-producing device module Download PDFInfo
- Publication number
- CN206908837U CN206908837U CN201720617180.7U CN201720617180U CN206908837U CN 206908837 U CN206908837 U CN 206908837U CN 201720617180 U CN201720617180 U CN 201720617180U CN 206908837 U CN206908837 U CN 206908837U
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- CN
- China
- Prior art keywords
- sound
- foam metal
- producing device
- device module
- operatic tunes
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Abstract
The utility model discloses a kind of sound-producing device module.The sound-producing device module includes the housing for being with inner chamber, is provided with out acoustic aperture on the housing；And be contained in the sound-producing device component of the housing cavity, the inner chamber is separated into the preceding operatic tunes and the rear operatic tunes by the sound-producing device component, it is described go out acoustic aperture connected with the preceding operatic tunes, the inner chamber and/or it is described go out acoustic aperture in be provided with foam metal.The utility model at least can solve the problem that one in following two technical problems：Heat can not discharge in the sound-producing device module course of work；Sound-producing device module low frequency performance is bad.
Description
Technical field
Electroacoustic techniques field is the utility model is related to, specifically, the utility model is related to a kind of sound-producing device module.
Background technology
As the electronic products such as mobile phone are towards Low-profile development, limited in addition by structure, the sound-producing device module operatic tunes
Volume is less and less.This can cause its heat-sinking capability to die down, and the performance of limitation sound-producing device module plays.
On the one hand, the reduction of the reduction, especially back cavity volume of sound-producing device module operatic tunes volume so that resonant frequency liter
Height, the performance of low frequency performance is limited, cause tonequality dull.Still further aspect, in the sound-producing device module course of work, especially
Under the conditions of being high-power, caloric value is larger, because sound-producing device modular structure reason causes heat not discharge, thus can cause
Sound-producing device module performance declines, tonequality variation, even results in reliability failures.
Therefore, it is necessary to existing sound-producing device module is improved.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of sound-producing device module.
According to one side of the present utility model, there is provided a kind of sound-producing device module.The sound-producing device module includes enclosing
There is the housing of inner chamber, be provided with out acoustic aperture on the housing；And the sound-producing device component of the housing cavity is contained in, it is described
The inner chamber is separated into the preceding operatic tunes and the rear operatic tunes by sound-producing device component, it is described go out acoustic aperture connected with the preceding operatic tunes, described
Inner chamber and/or it is described go out acoustic aperture in be provided with foam metal.
Alternatively, the foam metal is foamed aluminium or foam copper.
Alternatively, the foam metal includes open-celled foam metal.
Alternatively, the foam metal includes half open cell type foam metal.
Alternatively, the sound-producing device module goes out acoustic form using side, it is described go out acoustic aperture be arranged at the side wall of the housing
On.
Alternatively, the preceding operatic tunes or it is described go out acoustic aperture in be provided with the foam metal.
Alternatively, it is provided with the foam metal in the operatic tunes in the rear.
Alternatively, it is equipped with the foam metal in the preceding operatic tunes and the rear operatic tunes.
Alternatively, it is described go out acoustic aperture and it is described after be equipped with the foam metal in the operatic tunes.
Alternatively, the foam metal is filled in the rear operatic tunes.
In sound-producing device module provided by the utility model, foam metal has excellent heat conductivility, can arrange in time
Go out caused heat in the sound-producing device module course of work.Foam metal is porous material, can absorb sound, realize compatibilization effect,
Improve low frequency tonequality, improve the acoustical behavior of sound-producing device module.
Therefore, the technical assignment or technical problem to be solved that the utility model to be realized are people in the art
It is that member never expects or it is not expected that, therefore the utility model is a kind of new technical scheme.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is the structural representation of the sound-producing device module provided in a kind of embodiment of the utility model；
Fig. 2 is the structural representation of the sound-producing device module provided in a kind of embodiment of the utility model；
Fig. 3 is the structural representation of the sound-producing device module provided in a kind of embodiment of the utility model.
Wherein, 1：Housing；2：Sound-producing device component；3：The preceding operatic tunes；4：Go out acoustic aperture；5：The operatic tunes afterwards；6：Foam metal；7：Bubble
Foam metal.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
The utility model provides a kind of sound-producing device module, and the sound-producing device module can apply to but be not limited to hand
Mechanical, electrical brain, MP3, MP4, intelligent watch, radio, television set, wear on the audio-visual equipment such as display device.Referring to figs. 1 to Fig. 3,
The sound-producing device module includes the housing 1 for being with inner chamber and the sound-producing device component 2 for being contained in the inner chamber of housing 1.Its
In, the sound-producing device component 2 is used to input electrical signal being converted to voice signal.The sound-producing device component 2 includes being used for
The vibrating diaphragm of sounding.The concrete structure of the sound-producing device component 2 can use prior art.For example, the sound-producing device component 2 can
To be loudspeaker monomer.
Acoustic aperture 4 is provided with out on the housing 1.The inner chamber that the housing 1 surrounds is separated into by the sound-producing device component 2
The preceding operatic tunes 3 and the rear operatic tunes 5.It is described go out acoustic aperture 4 connected with the preceding operatic tunes 3.Specifically, shaking on the sound-producing device component 2
Film and it is described go out acoustic aperture 4 between cavity be the preceding operatic tunes 3.Another part cavity in the inner chamber is the rear operatic tunes 5.
For example, the operatic tunes 5 can be Seal Design after described, the rear operatic tunes 5 can be in communication with the outside by damping hole, to ensure the rear sound
Air pressure in chamber 5 is identical with the preceding operatic tunes 3.
The inner chamber and/or it is described go out acoustic aperture 4 in be provided with foam metal.For example, institute can be provided with only in the inner chamber
State foam metal.For example, can only it is described go out acoustic aperture 4 in be provided with the foam metal.For example, in the inner chamber and go out acoustic aperture 4
It inside may be provided with the foam metal.
The foam metal has excellent heat conductivility, can be in time by the course of work of sound-producing device component 2
Caused heat is discharged in time.Especially it is described go out acoustic aperture 4 or the preceding operatic tunes 3 be provided with foam metal when, the bubble
Foam metal can in time by heat absorption and also by it is described go out acoustic aperture 4 discharge.
The foam metal may include the metallic framework on interconnected hole and hole periphery.Acoustic Wave Propagation is to the foam
During metallic surface, a part of acoustic energy is reflected by the surface of the foam metal, and a part passes through foam metal surface and Qi Nei
The hole path in portion enters its inside and propagated forward.
In the sound wave of the foam metal internal communication, the air vibration in interporal lacuna can be caused, against the air of hole wall
Influenceed to be not easy to move up by hole wall, thus produce frictional force so that a part of acoustic energy passes through friction and viscous force acting conversion
For heat energy.Heat energy exports rapidly further through metallic framework, and the air of surrounding occurs heat convection and consumed, so that sound wave
Decay, reach the purpose of sound absorption.Air medium in the foam metal inner aperture also can sound by heat-conduction effect
Ripple is converted into heat energy, acoustic energy is decayed.
Be additionally, since medium-high frequency acoustic vibration speed faster, heat exchange is accordingly accelerated so that the foam metal have compared with
Excellent medium-high frequency sound absorbing capabilities, so as to improve the low frequency tonequality of the sound-producing device module.
The utility model is not particularly limited to the material of the foam metal.In order to reduce whole sound-producing device module
Weight, it is preferable that the foam metal can be foamed aluminium or foam copper.
The foam metal may include the metallic framework on interconnected hole and hole periphery, to absorb medium-high frequency sound wave.
According to the difference of pore structure, the foam metal has different types.
Alternatively, the foam metal may include open-celled foam metal.Hole in the open-celled foam metal is homogeneous
It is logical, and communicated with the surface of the foam metal.Cellular polygonal solid network is formed by metal material around hole.
Alternatively, the foam metal may include half open cell type foam metal.Inside the half open cell type foam metal not
Only interconnected hole, also separate hole.
In addition, the foam metal may also comprise obturator-type foam metal.Now, the obturator-type foam metal mainly rises
Thermolysis, sound absorption are limited.
According to different demands, installation site etc., the concrete structure shape of the foam metal mesopore can have a variety of.Example
Such as, the section in single hole can triangular in shape, rectangle, pentagon or other shapes in the foam metal.
The foam metal has certain thickness.According to different sound absorption demands, the thickness of the foam metal can be with
From different sizes.Alternatively, the thickness of the foam metal is 5-30 millimeters.For example, the thickness of the foam metal can be 5
Millimeter.For example, the thickness of the foam metal can be 10 millimeters.For example, the thickness of the foam metal can be 20 millimeters.Example
Such as, the thickness of the foam metal can be 30 millimeters.
It is described go out the diverse location that may be disposed on the housing 1 of acoustic aperture 4.According to it is described go out acoustic aperture 4 on the housing 1
Position, the sound-producing device module, which can use, just goes out acoustic form or side goes out acoustic form.
In one example, the sound-producing device module, which uses, just goes out acoustic form.Go out the face of acoustic aperture 4 on the housing 1
The vibrating diaphragm of the sound-producing device component 2.
In another example, the sound-producing device module goes out acoustic form using side.It is described go out acoustic aperture 4 be located at the sounding
The side of vibrating diaphragm on device assembly 2.It is described go out acoustic aperture 4 be arranged in the side wall of the housing 1.It is described go out acoustic aperture 4 run through institute
State side wall.Such as shown in Fig. 1 to Fig. 3, the housing 1 may include upper casing and lower casing, it is described go out acoustic aperture 4 can be separately set in it is described
Upper casing either on lower casing or it is described go out acoustic aperture 4 can be cooperatively formed by the upper casing and lower casing.
The quantity of the foam metal and the position in the sound-producing device module can have it is a variety of, it is corresponding to meet
Function.
In one example, with reference to figure 1, foam metal 6 is provided with the preceding operatic tunes 3.For example, the foam metal 6
It may include open-celled foam metal either half open cell type foam metal or obturator-type foaming structure.
In one example, with reference to figure 1, it is described go out acoustic aperture 4 in be provided with foam metal 6.For example, the foam metal 6
Can be filled in it is described go out acoustic aperture 4 in, or the foam metal 6 can be filled in it is described go out acoustic aperture 4 in segment space in.Example
Such as, the foam metal 6 may include open-celled foam metal either half open cell type foam metal or obturator-type foaming structure.
In one example, with reference to figure 2, it is provided with foam metal 7 in the operatic tunes 5 in the rear.For example, the foam metal 7
It can be filled in the rear operatic tunes 5.For example, the foam metal 7 can be filled in the segment space in the rear operatic tunes 5.Example
Such as, the foam metal 7 may include open-celled foam metal or half open cell type foam metal.
In one example, with reference to figure 3, foam metal 6 is provided with the preceding operatic tunes 3, is provided with the rear in the operatic tunes 5
Foam metal 7.For example, the foam metal 7 can be filled in the rear operatic tunes 5.For example, the foam gold in the preceding operatic tunes 3
Category 6 may include open-celled foam metal either half open cell type foam metal or obturator-type foaming structure.For example, the operatic tunes after described
Foam metal 5 in 5 may include open-celled foam metal or half open cell type foam metal.
In one example, with reference to figure 3, it is described go out acoustic aperture 4 in be provided with foam metal 6, be provided with the rear in the operatic tunes 5
Foam metal 7.For example, the foam metal 7 can be filled in the rear operatic tunes 5.For example, the foam metal 6 can be filled in
It is described go out acoustic aperture 4 in.For example, it is described go out acoustic aperture 4 in foam metal 6 may include open-celled foam metal or half open cell type bubble
Foam metal or obturator-type foaming structure.For example, the foam metal 7 after described in the operatic tunes 5 may include open-celled foam metal or
The open cell type foam metal of person half.
Foam metal in the sound-producing device module needs to be fixedly mounted, to avoid moving in corresponding installing space, shadow
Ring the performance of the sound-producing device module.Alternatively, the foam metal is bonded on the inner surface of corresponding installing space.Example
Such as, the foam metal can be bonded in by double faced adhesive tape on the inner surface of corresponding installing space.In another example the foam metal can
It is bonded in by gluing mode on the inner surface of installing space.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. sound-producing device module, it is characterised in that including：The housing (1) of inner chamber is with, acoustic aperture (4) is provided with out on the housing (1)；AndThe sound-producing device component (2) of the housing (1) inner chamber is contained in, the sound-producing device component (2) separates the inner chamber Into the preceding operatic tunes (3) and the rear operatic tunes (5), it is described go out acoustic aperture (4) connected with the preceding operatic tunes (3), the inner chamber and/or it is described go out Foam metal is provided with acoustic aperture (4).
- 2. sound-producing device module according to claim 1, it is characterised in that the foam metal is foamed aluminium or foam Copper.
- 3. sound-producing device module according to claim 1, it is characterised in that the foam metal includes open-celled foam gold Category.
- 4. sound-producing device module according to claim 1, it is characterised in that the foam metal includes half open-celled foam Metal.
- 5. sound-producing device module according to claim 1, it is characterised in that the sound-producing device module is spoken knot using side Structure, it is described go out acoustic aperture (4) be arranged in the side wall of the housing (1).
- 6. sound-producing device module according to claim 1, it is characterised in that the preceding operatic tunes (3) or it is described go out acoustic aperture (4) foam metal is provided with.
- 7. sound-producing device module according to claim 1, it is characterised in that be provided with the bubble in the operatic tunes (5) in the rear Foam metal.
- 8. sound-producing device module according to claim 1, it is characterised in that in the preceding operatic tunes (3) and the rear operatic tunes (5) foam metal is equipped with.
- 9. sound-producing device module according to claim 1, it is characterised in that it is described go out acoustic aperture (4) and it is described after the operatic tunes (5) foam metal is equipped with.
- 10. according to the sound-producing device module described in claim any one of 7-9, it is characterised in that the foam metal is filled in After described in the operatic tunes (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617180.7U CN206908837U (en) | 2017-05-27 | 2017-05-27 | A kind of sound-producing device module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720617180.7U CN206908837U (en) | 2017-05-27 | 2017-05-27 | A kind of sound-producing device module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908837U true CN206908837U (en) | 2018-01-19 |
Family
ID=61286666
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720617180.7U Active CN206908837U (en) | 2017-05-27 | 2017-05-27 | A kind of sound-producing device module |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206908837U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174332A (en) * | 2018-01-29 | 2018-06-15 | 歌尔股份有限公司 | Loud speaker module |
| CN113163303A (en) * | 2020-01-22 | 2021-07-23 | 歌尔股份有限公司 | Vibrating diaphragm of sound generating device |
| WO2021189867A1 (en) * | 2020-03-26 | 2021-09-30 | 歌尔股份有限公司 | Loudspeaker module |
-
2017
- 2017-05-27 CN CN201720617180.7U patent/CN206908837U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108174332A (en) * | 2018-01-29 | 2018-06-15 | 歌尔股份有限公司 | Loud speaker module |
| CN108174332B (en) * | 2018-01-29 | 2020-08-25 | 歌尔股份有限公司 | Loudspeaker module |
| CN113163303A (en) * | 2020-01-22 | 2021-07-23 | 歌尔股份有限公司 | Vibrating diaphragm of sound generating device |
| WO2021189867A1 (en) * | 2020-03-26 | 2021-09-30 | 歌尔股份有限公司 | Loudspeaker module |
| US12532096B2 (en) | 2020-03-26 | 2026-01-20 | Goertek Inc. | Loudspeaker module |
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