CN205961417U - Vibrating diaphragm structure - Google Patents
Vibrating diaphragm structure Download PDFInfo
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- CN205961417U CN205961417U CN201620708149.XU CN201620708149U CN205961417U CN 205961417 U CN205961417 U CN 205961417U CN 201620708149 U CN201620708149 U CN 201620708149U CN 205961417 U CN205961417 U CN 205961417U
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- groove
- ring portion
- recess
- fixed part
- diaphragm structure
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Abstract
The utility model provides a vibrating diaphragm structure, including fixed part, the peaceful face of book ring portion, roll over ring portion on the surface, be located segmental arc department and be equipped with first recess and second recess, wherein, first recess certainly plane portion orientation the direction of fixed part is extended, the second recess is located adjacently on the protruding muscle between the first recess, just the second recess along it extends to roll over the circumference direction of ring portion. Roll over first recess and the dispersible stress of rolling over in the ring portion of second recess in the ring portion, avoid stress concentration to improve the THD problem, prevent to form the membrane book in a ring portion. In addition, the setting of first recess and second recess still is favorable to improving the structural stability of vibrating diaphragm, suppresses noise and different sound scheduling problem because of the vibrating diaphragm polarization results in.
Description
Technical field
This utility model is related to acoustic product field, more specifically, this utility model is related to a kind of diaphragm structure.
Background technology
Speaker, as a kind of microphone device for electronic products such as mobile phone, TV, computers, is widely used in people
Daily production and life in.Speaker common at present mainly has coil-moving speaker, electromagnetic loudspeaker, condenser type to raise
Sound device, piezo-electric loudspeaker etc., making is relatively easy, with low cost, there have to be preferably low because having for coil-moving speaker therein
The features such as sound advantage that takes place frequently.
Existing coil-moving speaker is also called coil-moving speaker module, and it generally includes speaker module casing and raises
Sound device monomer, wherein speaker module casing have the cavity for housing loudspeaker monomer；Loudspeaker monomer includes vibration system
System and magnetic circuit system, vibrational system includes vibrating diaphragm and voice coil loudspeaker voice coil again, and the signal of telecommunication reaches voice coil loudspeaker voice coil from external circuit via outside lead,
The voice coil loudspeaker voice coil being passed through the signal of telecommunication forms alternating magnetic field in cavity, and voice coil loudspeaker voice coil is formed uniform magnetic field, handed over by alternating magnetization, magnetic circuit system
Produce vibration for magnetized voice coil loudspeaker voice coil in the presence of uniform magnetic field, drive diaphragm oscillations to form sound, and by positioned at speaker
The acoustic aperture that goes out on module casing spreads out of.
The vibrating diaphragm of loudspeaker monomer includes integrally setting with fixed part for the fixed part fixing with the shell of loudspeaker monomer
The ring portion of the concave or convex structure put and the planar portions being located in ring portion, concentrated due to the ring portion easy stress of vibrating diaphragm and
The problem that generation THD (harmonic distortion) raises is in some instances it may even be possible to stress concentrates on what formation in the ring portion of vibrating diaphragm cannot be restored
Film is rolled over, and has had a strong impact on the acoustical behavior of speaker.
Utility model content
A purpose of the present utility model is to provide a kind of diaphragm structure, so that the stress concentrated to be disperseed on vibrating diaphragm ring portion,
Thus improving the acoustical behavior of speaker.
According to one side of the present utility model, there is provided a kind of diaphragm structure, including fixed part, ring portion and plane
Portion, on the surface in described ring portion, is provided with the first groove and the second groove, wherein, described first groove is from institute at segmental arc
State planar portions to extend towards the direction of described fixed part, described second groove is located at the convex tendon between adjacent described first groove
On, and described second groove is along the circumferential direction extension in described ring portion.
Preferably, described ring portion is additionally provided with the 3rd groove, described 3rd groove is located on the straight section in described ring portion,
And described 3rd groove extends from described planar portions towards the direction of described fixed part.
Preferably, described first groove adjacent between described fixed part one end and described fixed part, described first groove adjacent
It is respectively provided with spacing between closely described planar portions one end and described planar portions.
Preferably, described second groove is located at the peak in described ring portion.
Described first groove in segmental arc being preferably located at described ring portion offsets towards same direction, is located at
Described first groove in the adjacent segmental arc in described ring portion offsets towards different directions.
Preferably, the length of the circumferential direction along described ring portion for described second groove be less than described first groove along
The width of the circumferential direction in described ring portion.
It is highly preferred that described 3rd groove is along neighbouring between described fixed part one end and described fixed part, the described 3rd recessed
Groove is respectively provided with spacing adjacent between described planar portions one end and described planar portions.
It is highly preferred that described 3rd groove is only located on the relatively long and straight section in described ring portion.
It is highly preferred that be located on the relatively long and straight section in described ring portion, described the of the axis of symmetry both sides in described ring portion
Three grooves are offset towards same direction with adjacent described first groove.
Inventor of the present utility model finds, in the prior art, is implicitly present in and leads to because of the stress concentration in ring portion
The problem that speaker acoustical behavior declines.Therefore, this utility model technical assignment to be realized or technology to be solved
Problem be that those skilled in the art never expect or it is not expected that, therefore this utility model is a kind of new technical side
Case.
One of the present utility model has technical effect that, the first groove in ring portion and the second groove dispersible ring portion
On stress, it is to avoid stress concentration, thus improving THD problem, prevent in ring portion formed film folding.Additionally, the first groove and
The setting of the second groove also advantageously improves the structural stability of vibrating diaphragm, and suppression is asked because vibrating diaphragm polarizes the noise leading to and abnormal sound etc.
Topic.
By the detailed description to exemplary embodiment of the present utility model referring to the drawings, other of the present utility model
Feature and its advantage will be made apparent from.
Brief description
Constitute the Description of Drawings of a part the embodiment of the present utility model of description, and use together with the description
In explanation principle of the present utility model.
Fig. 1 is the axonometric chart of this utility model diaphragm structure embodiment；
Fig. 2 is the top view of Fig. 1；
Fig. 3 is the front view of Fig. 1.
In figure indicates as follows：
Vibrating diaphragm -1, fixed part -11, ring portion -12, the first groove -121, the second groove -122, convex tendon -123, the 3rd is recessed
Groove -124, planar portions -13.
Specific embodiment
To describe various exemplary embodiment of the present utility model now with reference to accompanying drawing in detail.It should be noted that：Unless it is another
Illustrate outward, the positioned opposite, numerical expression of the part otherwise illustrating in these embodiments and step and numerical value do not limit
Make scope of the present utility model.
Description only actually at least one exemplary embodiment is illustrative below, never as to this practicality
Any restriction that is new and its applying or use.
May be not discussed in detail for technology and equipment known to person of ordinary skill in the relevant, but in suitable situation
Under, described technology and equipment should be considered a part for description.
In all examples with discussion shown here, any occurrence should be construed as merely exemplary, and not
It is as restriction.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represent similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined in individual accompanying drawing, then do not need it is further discussed in subsequent accompanying drawing.
For solving the problems, such as the ring portion stress concentration of vibrating diaphragm, the utility model proposes a kind of diaphragm structure, such as Fig. 1 are extremely
Shown in Fig. 3, including fixed part 11, ring portion 12 and planar portions 13, on the surface in described ring portion 12, it is located at segmental arc and is provided with the
One groove 121 and the second groove 122, the typical structure in above-mentioned ring portion 12 is class rectangle structure, four of such rectangular configuration
Right-angle side is replaced by arcuate line segment, for the ring portion 12 of this structure, its have two longer straight sections, two shorter
Straight section and four segmental arcs, those skilled in the art can according to the actual requirements in any segmental arc in ring portion 12 arrange first
Groove 121, such as arrange the first groove 121 in one section of segmental arc or in two sections of segmental arcs or in three sections of segmental arcs or in all segmental arcs；
Wherein, described first groove 121 extends from described planar portions 13 towards the direction of described fixed part 11, described second groove 122
On the convex tendon 123 between adjacent described first groove 121, and described second groove 122 is along the week in described ring portion 12
To direction extend, certainly, those skilled in the art it is also evident that, the quantity of the first groove 121 and the second groove 122 also can root
Flexibly select according to actual demand, such as can have one or more second grooves 122 on each convex tendon 123, when each convex
When being respectively provided with multiple second groove 122 on muscle 123, the second groove 122 can be formed in ring portion 12 a plurality of along ring portion 12
Circumferential direction circulus.
The first groove 121 in the ring portion 12 of diaphragm structure that this utility model provides and the second groove 122 dispersible
Stress in ring portion 12, it is to avoid stress concentration, thus improving THD problem, prevents from forming film folding in ring portion 12.Additionally,
The setting of the first groove 121 and the second groove 122 also advantageously improves the structural stability of vibrating diaphragm 1, and suppression is led because of vibrating diaphragm 1 polarization
The problems such as noise causing and abnormal sound.
In order to more effectively disperse the stress in ring portion 12, described ring portion 12 is additionally provided with the 3rd groove 124, described
3rd groove 124 is located on the straight section in described ring portion 12, and described 3rd groove 124 is from described planar portions 13 towards described solid
The direction determining portion 11 extends.
In order to prevent the first groove 121 from intersecting with the intersection in ring portion 12 and fixed part 11 and planar portions 13, and lead
Cause vibrating diaphragm 1 structural stability decline, described first groove 121 adjacent between described fixed part 11 one end and described fixed part 11,
Described first groove 121 adjacent to being respectively provided with spacing between described planar portions 13 one end and described planar portions 13, above-mentioned spacing big
I is arranged according to the actual requirements.
In a preferred embodiment of the present utility model, described second groove 122 is located at the highest in described ring portion 12
At point, so, each convex tendon 123 only has second groove 122, the vibrating diaphragm 1 of this structure not only improves dispersion should
Power, can fully ensure that the stability of vibrating diaphragm 1 structure again, and manufacture more convenient during vibrating diaphragm 1.
In another preferred embodiment of the present utility model, in the relative segmental arc in described ring portion 12 described
One groove 121 offsets towards same direction, and described first groove 121 in the adjacent segmental arc in described ring portion 12 is not towards
Equidirectional skew, this direction to the first groove 121 define beneficial to more effectively will in ring portion 12 concentrate stress
Dispersion, thus reach the purpose preferably avoiding stress concentration., positioned at the upper left corner and the lower right corner taking the vibrating diaphragm 1 in Fig. 2 as a example
The first groove 121 in segmental arc offsets each along clockwise direction, and first in the segmental arc in the upper right corner and the lower left corner is recessed
Groove 121 offsets each along direction counterclockwise.
Also influence whether the stress dispersion effect in ring portion 12 due to the size of the first groove 121 and the second groove 122,
The length of the circumferential direction along described ring portion 12 for described second groove 122 is less than described first groove 121 along described folding
The width of the circumferential direction of ring portion 12, so, can more effectively disperse the stress in ring portion 12, above-mentioned second groove 122 edge
The length the circumferential direction in ring portion 12 should be the length of projection on the extended surface of planar portions 13 for second groove 122,
The width of the circumferential direction along ring portion 12 for above-mentioned first groove 121 should be the extension in planar portions 13 for first groove 121
The width of the projection on face and the second groove 122 projection lap on the extended surface of planar portions 13.
In order to prevent the 3rd groove 124 from intersecting with the intersection in ring portion 12 and fixed part 11 and planar portions 13, and lead
Cause vibrating diaphragm 1 structural stability to decline, described 3rd groove 124 along neighbouring described fixed part 11 one end and described fixed part 11 it
Between, described 3rd groove 124 adjacent to being respectively provided with spacing between described planar portions 13 one end and described planar portions 13, above-mentioned spacing
Big I is arranged according to the actual requirements.
In another preferred embodiment of the present utility model, described 3rd groove 124 is only located at described ring portion 12
Compared with long and straight section, to ensure the stability of vibrating diaphragm 1 structure while dispersive stress.
Reach the purpose preferably avoiding stress concentration, on the relatively long and straight section in described ring portion 12, described ring
Described 3rd groove 124 of the axis of symmetry both sides in portion 12 is offset towards same direction with adjacent described first groove 121.To scheme
As a example vibrating diaphragm 1 in 2, the 3rd groove 124 of axis of symmetry upper left side on the relatively long and straight section in ring portion 12 with positioned at upper left
The first groove 121 in the segmental arc at angle offsets along clockwise direction, the axis of symmetry lower-left on the relatively long and straight section in ring portion 12
3rd groove 124 of side is offset in the counterclockwise direction with the first groove 121 in the segmental arc in the lower left corner, positioned at ring portion 12
Relatively long and straight section on the 3rd groove 124 of axis of symmetry upper right side and the first groove 121 in the segmental arc in the upper right corner along inverse
Clockwise offsets, the 3rd groove 124 of the axis of symmetry lower right side on the relatively long and straight section in ring portion 12 with positioned at the lower right corner
Segmental arc on the first groove 121 offset along clockwise direction.
Although being described in detail to some specific embodiments of the present utility model by example, this area
It is to be understood by the skilled artisans that above example is merely to illustrate, rather than in order to limit scope of the present utility model.This
Field it is to be understood by the skilled artisans that can be in the case of without departing from scope and spirit of the present utility model, to above example
Modify.Scope of the present utility model is defined by the following claims.
Claims (9)
1. a kind of diaphragm structure, including fixed part, ring portion and planar portions it is characterised in that on the surface in described ring portion, position
It is provided with the first groove and the second groove at segmental arc, wherein, described first groove is from described planar portions towards described fixed part
Direction extends, and described second groove is located on the convex tendon between adjacent described first groove, and described second groove is along described
The circumferential direction in ring portion extends.
2. diaphragm structure according to claim 1 is it is characterised in that being additionally provided with the 3rd groove in described ring portion, described
3rd groove is located on the straight section in described ring portion, and described 3rd groove is from described planar portions towards the direction of described fixed part
Extend.
3. diaphragm structure according to claim 1 and 2 is it is characterised in that described first groove is adjacent to described fixed part one
Hold and described fixed part between, described first groove is respectively provided with spacing adjacent between described planar portions one end and described planar portions.
4. diaphragm structure according to claim 1 and 2 is it is characterised in that described second groove is located at described ring portion
At peak.
5. diaphragm structure according to claim 1 and 2 is it is characterised in that be located in the relative segmental arc in described ring portion
Described first groove offsets towards same direction, and described first groove in the adjacent segmental arc in described ring portion is towards difference
Direction offsets.
6. diaphragm structure according to claim 1 and 2 is it is characterised in that described second groove is along described ring portion
The length of circumferential direction is less than the width of the circumferential direction along described ring portion for described first groove.
7. diaphragm structure according to claim 2 is it is characterised in that described 3rd groove is along neighbouring described fixed part one end
And described fixed part between, described 3rd groove be respectively provided with spacing adjacent between described planar portions one end and described planar portions.
8. diaphragm structure according to claim 2 is it is characterised in that described 3rd groove is only located at described ring portion relatively
On long and straight section.
9. the diaphragm structure according to claim 2 or 8 it is characterised in that be located at described ring portion relatively long and straight section on,
Described 3rd groove of the axis of symmetry both sides in described ring portion is offset towards same direction with adjacent described first groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708149.XU CN205961417U (en) | 2016-07-06 | 2016-07-06 | Vibrating diaphragm structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620708149.XU CN205961417U (en) | 2016-07-06 | 2016-07-06 | Vibrating diaphragm structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205961417U true CN205961417U (en) | 2017-02-15 |
Family
ID=57968894
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620708149.XU Active CN205961417U (en) | 2016-07-06 | 2016-07-06 | Vibrating diaphragm structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205961417U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246552A (en) * | 2018-09-28 | 2019-01-18 | 歌尔股份有限公司 | Vibrating diaphragm, vibrating diaphragm component and loudspeaker |
-
2016
- 2016-07-06 CN CN201620708149.XU patent/CN205961417U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109246552A (en) * | 2018-09-28 | 2019-01-18 | 歌尔股份有限公司 | Vibrating diaphragm, vibrating diaphragm component and loudspeaker |
| CN109246552B (en) * | 2018-09-28 | 2020-04-24 | 歌尔股份有限公司 | Vibrating diaphragm, vibrating diaphragm assembly and loudspeaker |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |