CN207802356U - A kind of sound-producing device module - Google Patents
A kind of sound-producing device module Download PDFInfo
- Publication number
- CN207802356U CN207802356U CN201721846598.1U CN201721846598U CN207802356U CN 207802356 U CN207802356 U CN 207802356U CN 201721846598 U CN201721846598 U CN 201721846598U CN 207802356 U CN207802356 U CN 207802356U
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- CN
- China
- Prior art keywords
- vibrating diaphragm
- sound
- shell
- producing device
- module casing
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
Abstract
The utility model is related to a kind of sound-producing device modules, including module casing and vibrating diaphragm, there is accommodating chamber in the module casing, the vibrating diaphragm is fixed in the accommodating chamber, there is the ring portion to raise up on vibrating diaphragm, protrusion ring portion and module casing side inner surface face, be provided on the inner surface of the module casing of ring portion face upwards be recessed groove.One of the utility model has technical effect that, can increase vibrating diaphragm on shake space, avoid, because of the insufficient space that above shakes, causing vibrating diaphragm to collide with module casing, influencing sound quality.
Description
Technical field
The utility model belongs to acoustic-electric energy-conversion technique field, more specifically, the utility model is related to a kind of sound-producing device moulds
Group.
Background technology
Sound-producing device module is the important acoustical device of modern electronic equipment, for completing between electric signal and acoustical signal
Conversion, is a kind of energy conversion device, is now widely used in electronic equipment, such as mobile phone, intercom, notebook.With
Market comsupton, product design and the progress of production and processing technology, electronic equipment is to miniaturization, and lightening development, this is also required
Sound-producing device module also increasingly minimizes, to adapt to the needs of electronic product.
In the prior art, sound-producing device module at work, generates sound, but fill in sounding using vibration of membrane is shaken
It sets module increasingly to refine, in the case of lightening, need to compress sound-producing device module thickness, leave shaking for vibrating diaphragm for
Dynamic space is also smaller and smaller, and the influence of the Oscillation Amplitude of vibrating diaphragm to its performance is bigger, and is limited to vibrating diaphragm or local vibrating diaphragm
On shake the deficiency in space, vibrating diaphragm is easy the shell sounding contact-impact with sound-producing device module in vibration, and causes to influence to send out
The acoustical behavior of acoustic device module reduces product yield and user experience.
Therefore, it is necessary to provide a kind of improved sound-producing device module.
Utility model content
One purpose of the utility model is to provide a kind of sound-producing device module.
One side according to the present utility model provides a kind of sound-producing device module, including module casing and vibrating diaphragm, described
There is accommodating chamber, the vibrating diaphragm are fixed in module casing in the accommodating chamber, there is the ring portion to raise up on vibrating diaphragm, it is convex
The inner surface face in the ring portion and module casing side risen, is arranged on the inner surface of the module casing of ring portion face
Have it is concave up into groove.
Optionally, partly be arranged on the inner surface of the module casing of ring portion face it is fluted.
Optionally, the vibrating diaphragm also incorporates top dome portion, and the top dome portion is located at the vibrating diaphragm relative to the ring portion
Centre position, and the top dome portion is incorporated in the upside of the vibrating diaphragm, the inner surface of the module casing corresponding to top dome portion
It is also equipped with groove recessed upwards.
Optionally, outer surface direction protrusion of the reeded position to module casing is set on the module casing.
Optionally, the thickness of the module casing upper projecting portion point is identical as the thickness of the module casing of surrounding.
Optionally, on the section of ring portion protrusion direction, the groove is rectangle or arc-shaped.
Optionally, the module casing includes first shell and second shell, and the accommodating chamber is divided by the vibrating diaphragm
Ante-chamber and back cavity, the first shell are fastened in the second shell, the space between the first shell and the vibrating diaphragm
For ante-chamber, the ring portion is arranged to the preceding cavity direction protrusion, the groove in the first shell.
Optionally, there is metallic plate, the metallic plate is opposite with the vibrating diaphragm, the groove setting in the first shell
On the metallic plate.
Optionally, opening corresponding with the metallic plate is offered in the first shell, the metallic plate is bonded in institute
State opening.
Optionally, the metallic plate and the first shell integrated injection molding, the embedded first shell.
One of the utility model has technical effect that, can increase vibrating diaphragm on shake space, avoid because above shaking space not
Foot causes vibrating diaphragm to be collided with module casing, influences sound quality.
By referring to the drawings to the detailed description of the exemplary embodiment of the utility model, the utility model it is other
Feature and its advantage will become apparent.
Description of the drawings
The attached drawing of a part for constitution instruction describes the embodiments of the present invention, and uses together with the description
In explanation the principles of the present invention.
Fig. 1 is a kind of dimensional structure diagram of specific implementation mode of the utility model；
Fig. 2 is a kind of planar structure schematic diagram of specific implementation mode of the utility model；
Fig. 3 is the structural schematic diagram of A-A sections in Fig. 2；
Fig. 4 is the planar structure schematic diagram of vibrating diaphragm in a kind of specific implementation mode of the utility model；
In figure：1 module casing, 11 accommodating chambers, 12 grooves, 13 ante-chambers, 14 back cavities, 15 first shells, 16 metallic plates, 17
Two shells, 18 inner surfaces, 19 lug bosses, 2 vibrating diaphragms, 21 ring portions, 22 top dome portions, 23 vibrating diaphragm main bodys, 24 central portions, 25 fix
Portion.
Specific implementation mode
The various exemplary embodiments of the utility model are described in detail now with reference to attached drawing.It should be noted that：Unless another
It illustrates outside, the component 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.
It is illustrative to the description only actually of at least one exemplary embodiment below, is never used as to this practicality
Novel and its application or any restrictions used.
Technology and equipment known to person of ordinary skill in the relevant may be not discussed in detail, but in appropriate situation
Under, the technology and equipment should be considered as part of specification.
In shown here and discussion all examples, any occurrence should be construed as merely illustrative, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent attached drawing in a attached drawing.
Sound-producing device module provided by the utility model, can increase vibrating diaphragm on shake space, avoid because above shaking space not
Foot causes vibrating diaphragm to be collided with module casing, influences sound quality.In addition, the structure design of the utility model helps to reduce sounding dress
Set the integral thickness either local thickness of module.
A kind of sound-producing device module as shown in Figs. 1-3, including module casing 1 and vibrating diaphragm 2.Have in module casing 1 and holds
Receive chamber 11, the other assemblies for accommodating sound-producing device module provide installation site and meet the requirement of acoustical behavior.It is described to shake
Film 2 is fixed in the accommodating chamber 11.Vibrating diaphragm 2 is an important component in sound-producing device module, sound-producing device module
At work, air is pushed by the vibration of vibrating diaphragm 2, made a sound, that is to say, that accommodating chamber 11 needs shaking for vibrating diaphragm 2
It is dynamic that enough oscillation spaces are provided, meet its requirement to space, can be only achieved required acoustical behavior.
There is the ring portion 21 to raise up on vibrating diaphragm 2.Ring portion 21 is used to support and keep the vibration of vibrating diaphragm 2, makes to shake
Film 2 can keep being axially moved in vibration, and be unable to transverse movement.Vibrating diaphragm 2 may include central portion 24, ring portion 21 and solid
Determine portion 25, central portion 24 is located at the centre position of vibrating diaphragm 2, generally planar structure；Ring portion 21 is arranged around central portion 25, such as
Shown in Fig. 4, ring portion 21 is usually annular；Fixed part 25 around ring portion 21 be arranged, for by vibrating diaphragm 2 by bonding or
Person injection molding be fixed in vibrating diaphragm component, then by vibrating diaphragm component be fixed to module casing 1 in or vibrating diaphragm 2 pass through fixed part 25
Directly it is fixed in module casing 1 by being bonded or being molded.
The ring portion 21 of protrusion is located in module casing 1,18 face of inner surface with 1 side of module casing, the interior table
Position corresponding with the ring portion 21 on face 18 is provided with groove 12 recessed upwards, in the vibration processes of vibrating diaphragm 2, energy
Enough effective doubling ring portions 21 are avoided, and prevent to collide.Since ring portion 21 is usually exactly the peak of vibrating diaphragm 2,
It in the vibration processes of vibrating diaphragm 2, is also just easiest to collide with the inner surface of opposite module casing 1 18, and influences acoustics
Can, it is avoided by doubling ring portion 21, the space to shake thereon can be increased, avoid colliding.Can effective solution because
It is needed for design, needs to compress module casing 1 the distance between to vibrating diaphragm 2, and this compression can cause vibrating diaphragm 2 vibrated
The problem of collision with module casing 1 occurs in journey, is avoided by groove, would not cause to collide and influence acoustical behavior.This
Field technology personnel are appreciated that in the utility model be an opposite concept upwards, by the sound-producing device module in Fig. 3
180 ° of overturning, then it is exactly downward, groove i.e. recessed down that the direction of the protrusion is opposite, but raised ring
Portion 21 is face always with recessed groove 12.
Optionally, the correspondence of groove 12 and ring portion 21, be it is corresponding with the space size that shakes in ring portion 21,
Because in same sound-producing device module, corresponding to ring portion 21 on the space size that shakes can be different, some places
Space is abundant, disclosure satisfy that requirement, and some places are insufficient, can cause collision.It therefore, can be only in part ring portion 21
On shake the position setting groove 12 of insufficient space, as illustrated in fig. 1-3, whole groove 12 relative to the vibrating diaphragm 2 is U-shaped, portion
It is the oscillation space requirement for meeting vibrating diaphragm 2 to divide the oscillation space corresponding to ring portion 21, so that it may corresponding to be no longer arranged
Groove 12；And in other implementations, can also be all be both provided with the inner surface 18 corresponding to ring portion 21 it is recessed
Slot 12, the application is not intended to limit this, as long as can ensure that vibrating diaphragm 2 has the space that shakes on enough.In 21 protrusion of ring portion
On the section in direction, groove 12 is all or part of corresponding with ring portion 21.As above-mentioned reason, in sound-producing device module
It is interior, can not be that the space that shakes on whole ring portion 21 is corresponding on section is unsatisfactory for requiring, therefore, yet
Corresponding groove 12 is set in ring portion 21 only on partial cross section, as shown in Figure 3, the width of groove 12 is less than ring
The width in portion 21.
Optionally, as shown in Figures 3 and 4, the vibrating diaphragm 2 can also include top dome portion 22,22 phase of top dome portion
It is located at the centre position of the vibrating diaphragm 2 for the ring portion 21.Top dome portion 22 can be fixed on central portion 24, top dome
Portion 22 can be slab construction, and central portion 24 is planar structure, and being fixedly connected with mode by bonding etc. is fixed on top dome portion 22
On central portion 24, reinforcement is carried out to the central portion 24 of vibrating diaphragm 1, adjusts the acoustical behavior of vibrating diaphragm 1.Top dome portion 22 can be located at ring
The side raised on the vibrating diaphragm 2 of portion 21, also with above-mentioned 18 face of inner surface, then the oscillation space in top dome portion 22 is insufficient
When, can also corresponding indent and evagination etc. be set on the module shell 1 corresponding to top dome portion 22, give shaking for bigger
Dynamic space.It will be understood by those skilled in the art that when top dome portion not with above-mentioned 18 face of inner surface, but be located at ring portion 21
The opposite side of protrusion on the vibrating diaphragm 2, also there is no need to be arranged accordingly, the application is not intended to limit this.One
In a little specific embodiments, as shown in Figure 4, the vibrating diaphragm 2 further includes vibrating diaphragm main body 23, above-mentioned central portion 24, folding
Ring portion 21 and with fixed part 25 be vibrating diaphragm main body 23 a part.Top dome portion 22 is arranged in the vibrating diaphragm main body 23, vibrating diaphragm
Main body 23 can be hollow ring structure, i.e. the position in the correspondence top dome of central portion 24 portion 22 could be provided as hollow structure, top dome
Portion 22 is covered on the hollow structure, and this hollow setting can reduce the quality of vibrating diaphragm 2, and not influence its acoustical behavior.
Optionally, as illustrated in fig. 1-3, fluted 12 position is set on the module casing 1, is had to module shell
The lug boss 19 of the outer surface direction protrusion of body 1.One side can be that the thickness of 1 side of module casing has been not enough to above
Open up groove 12；On the other hand can be after opening up groove 12, the intensity of module casing 1 can be unsatisfactory for sound-producing device module branch
The requirement of support.Therefore, can be met the requirements by the structure of this local evagination, the application to the height of lug boss 19 not
Limitation, as long as disclosure satisfy that the intensity requirement of module casing.Meanwhile male structure can also bring another to have outside this part
The technique effect of benefit, that is, relative to smooth module shell, increase the external surface area of module casing, further, energy
The radiating efficiency for enough improving module casing, improves heat dissipation effect.In some specific embodiments, on the module casing 1
The thickness of lug boss 19 is identical as the thickness of module casing 1 of surrounding, i.e. the height of projection portion and the outer surface of module casing 1
Difference is the depth of groove, advantageously ensures that the structural strength of module casing 1.
Optionally, as shown in Figure 3, on the section of 21 protrusion direction of ring portion, groove 12 is rectangle.Groove 12 is set
It is set to rectangle, is conducive to the volume for increasing ante-chamber 13, even if if lug boss 19 as shown in Figure 3 protrusion can not increased
The volume for increasing ante-chamber 13 on the basis of 19 height of projection of portion, does not interfere with the total height that die set occurs.Other real
Apply in mode, the section of the groove 12 can also be other shapes, such as trapezoidal, arc-shaped etc., the application to this and it is unlimited
System.
Optionally, as illustrated in fig. 1-3, module casing 1 includes first shell 15 and second shell 17.Vibrating diaphragm 2 will hold
Chamber 11 of receiving is divided into ante-chamber 13 and back cavity 14, and first shell 15 is fastened in the second shell 17, first shell 15 and vibrating diaphragm 2
Between space be ante-chamber 13.Ante-chamber 13 is commonly used in external sounding, and ante-chamber 13 goes out acoustic aperture (not shown) on module casing 1
Connection, sound is transmitted by going out acoustic aperture outward.When ring portion 21 to 13 direction of ante-chamber protrusion, that is, when ring portion 21 with it is described
When 18 face of inner surface of first shell 15, groove 12 can be arranged in the first shell 15.
In some specific embodiments, as shown in Figure 3, there is metallic plate 16, metallic plate in first shell 15
16 is opposite with vibrating diaphragm 2, and groove 12 is arranged on the metallic plate 16.Using the big feature of metal material intensity, similarly sending out
In the case that the module casing 1 of acoustic device module is certain, can effectively it be increased relative to materials such as plastic cement using metallic plate 16
The volume of 1 inner chamber body of big module casing improves the acoustical behavior of sound-producing device module, while can also be provided for module casing 1 good
Good supporting role, prevents 1 compressive deformation of module casing.The making of the materials such as stainless steel, carbon steel may be used in the metallic plate 16,
The application is not intended to limit it.On the other hand, metal material is more preferable relative to plastic cement material heat dissipation performance, especially has protrusion
The metallic plate 16 in portion 19, increases the external surface area of metallic plate 16, can significantly improve its heat dissipation effect.Metallic plate 16 and
The matching relationship of one shell 15 can be that opening corresponding with the metallic plate 16 is offered in the first shell 15, described
Metallic plate 16 is bonded in the opening, and metallic plate 16 is fixed by bonding；Can also be the metallic plate 16 and institute
15 integrated injection molding of first shell is stated, metallic plate 16 is fixed on the first shell 15, this field by the embedded first shell 15
Technical staff can carry out selection setting as needed, and the application is not intended to limit this.
Although some specific embodiments of the utility model are described in detail by example, this field
It is to be understood by the skilled artisans that above example 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
It modifies.The scope of the utility model is defined by the following claims.
Claims (10)
1. a kind of sound-producing device module, which is characterized in that have including module casing and vibrating diaphragm, in the module casing and accommodate
Chamber, the vibrating diaphragm are fixed in the accommodating chamber, have the ring portion to raise up, raised ring portion and module shell on vibrating diaphragm
Groove recessed upwards is provided in the inner surface face of body side, with the inner surface of the module casing of ring portion face.
2. sound-producing device module according to claim 1, which is characterized in that partly with the module casing of ring portion face
It is arranged on inner surface fluted.
3. sound-producing device module according to claim 1, which is characterized in that the vibrating diaphragm also incorporates top dome portion, described
Top dome portion is located at the centre position of the vibrating diaphragm relative to the ring portion, and the top dome portion is incorporated in the upper of the vibrating diaphragm
The inner surface of side, the module casing corresponding to top dome portion is also equipped with groove recessed upwards.
4. sound-producing device module according to claim 1, which is characterized in that reeded position is arranged on the module casing
Set the outer surface direction protrusion to module casing.
5. sound-producing device module according to claim 4, which is characterized in that the thickness of the module casing upper projecting portion point
It is identical as the thickness of the module casing of surrounding.
6. sound-producing device module according to claim 1, which is characterized in that on the section of ring portion protrusion direction, institute
It is rectangle or arc-shaped to state groove.
7. according to claim 1-6 any one of them sound-producing device modules, which is characterized in that the module casing includes first
The accommodating chamber is divided into ante-chamber and back cavity by shell and second shell, the vibrating diaphragm, and the first shell is fastened on described
On two shells, the space between the first shell and the vibrating diaphragm is ante-chamber, and the ring portion is raised to the preceding cavity direction,
The groove is arranged in the first shell.
8. sound-producing device module according to claim 7, which is characterized in that have metallic plate, institute in the first shell
It is opposite with the vibrating diaphragm to state metallic plate, the groove is arranged on the metallic plate.
9. sound-producing device module according to claim 8, which is characterized in that offered in the first shell and the gold
Belong to the corresponding opening of plate, the metallic plate is bonded in the opening.
10. sound-producing device module according to claim 8, which is characterized in that the metallic plate and the first shell one
Body is molded, the embedded first shell.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721846598.1U CN207802356U (en) | 2017-12-25 | 2017-12-25 | A kind of sound-producing device module |
| PCT/CN2018/112242 WO2019128436A1 (en) | 2017-12-25 | 2018-10-27 | Sounding device module |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721846598.1U CN207802356U (en) | 2017-12-25 | 2017-12-25 | A kind of sound-producing device module |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207802356U true CN207802356U (en) | 2018-08-31 |
Family
ID=63278678
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721846598.1U Active CN207802356U (en) | 2017-12-25 | 2017-12-25 | A kind of sound-producing device module |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207802356U (en) |
| WO (1) | WO2019128436A1 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128436A1 (en) * | 2017-12-25 | 2019-07-04 | 歌尔股份有限公司 | Sounding device module |
| CN112261555A (en) * | 2020-09-30 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
| CN112312289A (en) * | 2019-07-26 | 2021-02-02 | 华为技术有限公司 | Loudspeaker assembly and electronic equipment |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN212812011U (en) * | 2020-06-30 | 2021-03-26 | 瑞声科技(新加坡)有限公司 | Sound production device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202841445U (en) * | 2012-09-28 | 2013-03-27 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN205847591U (en) * | 2016-07-18 | 2016-12-28 | 瑞声科技(新加坡)有限公司 | Speaker |
| CN205961432U (en) * | 2016-07-18 | 2017-02-15 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| CN205847594U (en) * | 2016-07-29 | 2016-12-28 | 深圳市富德康电子有限公司 | A kind of Microspeaker |
| CN207802356U (en) * | 2017-12-25 | 2018-08-31 | 歌尔科技有限公司 | A kind of sound-producing device module |
-
2017
- 2017-12-25 CN CN201721846598.1U patent/CN207802356U/en active Active
-
2018
- 2018-10-27 WO PCT/CN2018/112242 patent/WO2019128436A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019128436A1 (en) * | 2017-12-25 | 2019-07-04 | 歌尔股份有限公司 | Sounding device module |
| CN112312289A (en) * | 2019-07-26 | 2021-02-02 | 华为技术有限公司 | Loudspeaker assembly and electronic equipment |
| CN112261555A (en) * | 2020-09-30 | 2021-01-22 | 瑞声新能源发展(常州)有限公司科教城分公司 | Sound production device |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128436A1 (en) | 2019-07-04 |
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