CN206932393U - Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm - Google Patents
Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm Download PDFInfo
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- CN206932393U CN206932393U CN201720589882.9U CN201720589882U CN206932393U CN 206932393 U CN206932393 U CN 206932393U CN 201720589882 U CN201720589882 U CN 201720589882U CN 206932393 U CN206932393 U CN 206932393U
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- vibrating diaphragm
- decorative pattern
- curved corners
- shaped form
- projection
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Abstract
The utility model discloses a kind of vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm, it is related to electro-acoustic product technical field, including the central part being sequentially connected from inside to outside, ring portion and fixed part, the ring portion includes curved corners, and by the curved corners connect first while and when second, decorative pattern is distributed with the curved corners, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes at least one shaped form decorative pattern, and every shaped form decorative pattern is extended from adjacent first side in the ring portion to second edge direction, the shaped form decorative pattern at each curved corners is arranged successively by the direction in inner side to the outside of the curved corners.The diaphragm oscillations of the utility model vibrating diaphragm and minitype acoustic generator provided with the vibrating diaphragm are steady, it is pliable it is high, be not likely to produce that fold, anti-fatigue ability are strong, so as to the high sensitivity of minitype acoustic generator, distortion is small, and sound quality is high, and reliability surplus is big.
Description
Technical field
It the utility model is related to electro-acoustic product technical field, more particularly to a kind of vibrating diaphragm and the miniature sounding provided with the vibrating diaphragm
Device.
Background technology
Minitype acoustic generator is a kind of important acoustic element in portable electric appts, for sound wave electric signal to be converted into
Voice signal is spread out of, and is a kind of energy conversion device.Minitype acoustic generator generally includes vibrational system and magnetic circuit system, vibrational system
Including the vibrating diaphragm and voice coil loudspeaker voice coil being combined together, vibrating diaphragm includes central part, ring portion and the fixed part combined successively from inside to outside, shakes
Film is the important component of minitype acoustic generator, and the sound reproduction performance to minitype acoustic generator has vital effect, and it determines micro-
Type acoustical generator by electric energy to acoustic energy conversion quality.
The decorative pattern in the ring portion of existing vibrating diaphragm is generally in strip, and the bearing of trend of decorative pattern and the trend in ring portion are mutually hung down
Directly, the vibrating diaphragm of such a structure can produce following defect in vibration：
First, rocking vibration occurs when big displacement is vibrated for vibrating diaphragm, and vibration is unstable, tends to have noise appearance；
2nd, vibrating diaphragm is pliable relatively low, causes that the sensitivity of minitype acoustic generator is relatively low, and acoustical behavior is poor；
3rd, easily there is fold in four corners in vibration in vibrating diaphragm, causes higher hamonic wave distortion higher, while can also cause vibrating diaphragm
Ring portion fatigue, not easily passs through reliability test.
Utility model content
For disadvantages described above, first technical problem to be solved in the utility model is to provide a kind of vibrating diaphragm, this vibrating diaphragm
Vibration is steady, and pliable higher, corner is less prone to fold, can effectively reduce higher hamonic wave distortion, anti-fatigue ability is high, energy
Enough improve the reliability surplus of minitype acoustic generator.
Conceived based on same utility model, second technical problem to be solved in the utility model is to provide a kind of micro-
Type acoustical generator, this minitype acoustic generator will not produce noise, and high sensitivity, higher hamonic wave distortion is small, and sound quality is high, more than reliability
Amount is big.
To solve above-mentioned first technical problem, the technical solution of the utility model is：
A kind of vibrating diaphragm, including central part, ring portion and the fixed part being sequentially connected from inside to outside, the ring portion include arc
Shape turning, and by the curved corners connect first while and when second, decorative pattern is distributed with the curved corners, is shaken described
In the frontal plane of projection of film, the decorative pattern includes at least one shaped form decorative pattern, and every shaped form decorative pattern is by the ring
Adjacent first side in portion extends to second edge direction, and the shaped form decorative pattern at each curved corners is
Arranged successively by the direction in inner side to the outside of the curved corners.
Wherein, in the frontal plane of projection of the vibrating diaphragm, curved convex direction and the arc of the shaped form decorative pattern turn
The curved convex direction at angle is consistent.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern also includes at least one linear decorative pattern；Wherein, institute
The inner or outer side that shaped form decorative pattern is distributed in the curved corners is stated, the linear decorative pattern is distributed in the curved corners
Outside or inner side.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the linear decorative pattern is in the inner side of the curved corners to outside
Direction on radially distribute or the linear decorative pattern on the direction in the outside of the curved corners to inner side in radiation
Shape is distributed.
Wherein, in the frontal plane of projection of the vibrating diaphragm, outer ledge of the linear decorative pattern close to the curved corners
One end width be less than its close to one end of the inside edge of the curved corners width.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the linear decorative pattern relative to the curved corners inner side edge
The midpoint line of edge and outer ledge is symmetrical.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the shaped form decorative pattern is provided with least two, at least two shaped forms
Decorative pattern is the track extension along at least two concentric circles corresponding with shaped form decorative pattern quantity.
Wherein, the center of circle of each concentric circles is located on the central part.
Wherein, the center of circle of each concentric circles is overlapping with the center of circle of circle where the inside edge of the curved corners.
To solve above-mentioned second technical problem, the technical solution of the utility model is：
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, what the vibrational system included being combined together shakes
Film and voice coil loudspeaker voice coil, the vibrating diaphragm are above-mentioned vibrating diaphragm.
After employing above-mentioned technical proposal, the beneficial effects of the utility model are：
Because the ring portion of the utility model vibrating diaphragm includes curved corners, and the first side and second connected by curved corners
Side, decorative pattern is distributed with curved corners, it is described including at least one shaped form decorative pattern in the frontal plane of projection of vibrating diaphragm, and every
Shaped form decorative pattern is extended from the first side to the second edge direction, and the shaped form decorative pattern at each curved corners is by curved corners
Arrange successively in the direction in side to outside.The decorative pattern that such a bearing of trend extends from one end of curved corners to the other end, i.e., with folding
Ring portion move towards basically identical decorative pattern with bearing of trend of the prior art with ring portion move towards vertical decorative pattern compared with have
Have the following advantages：
First, vibrating diaphragm rocking vibration in big displacement can effectively be suppressed so that vibrating diaphragm is more steady in vibration, will not
Produce noise；
2nd, the pliable of vibrating diaphragm can be increased, may be such that minitype acoustic generator obtains more high sensitivity；
3rd, the generation of vibrating diaphragm corner wrinkles can be reduced, the higher hamonic wave distortion at resonant frequency can be effectively reduced,
The anti-fatigue ability in ring portion can also be improved simultaneously, improve the reliability surplus of minitype acoustic generator.
Because the vibrating diaphragm of the utility model minitype acoustic generator is above-mentioned vibrating diaphragm, so as to produce noise, high sensitivity is high
Subharmonic distortion is small, and sound quality is high, and reliability surplus is big.
In summary, the utility model vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm solve vibrating diaphragm in the prior art and shaken
It is dynamic it is unstable, pliable it is low, be also easy to produce the technical problems such as fold, the utility model vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm
Diaphragm oscillations are steady, it is pliable it is high, be not likely to produce that fold, anti-fatigue ability are strong, so as to the high sensitivity of minitype acoustic generator, distortion
Small, sound quality is high, and reliability surplus is big.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model vibrating diaphragm embodiment one；
Fig. 2 is the orthographic projection structural representation of the utility model vibrating diaphragm embodiment one；
Fig. 3 is the dimensional structure diagram of the utility model vibrating diaphragm embodiment two；
Fig. 4 is the orthographic projection structural representation of the utility model vibrating diaphragm embodiment two；
Fig. 5 is the dimensional structure diagram of the utility model vibrating diaphragm embodiment three；
Fig. 6 is the orthographic projection structural representation of the utility model vibrating diaphragm embodiment three；
In figure：10th, fixed part, 12, ring portion, 14, central part, 20a, decorative pattern, 20b, decorative pattern, 20c, decorative pattern, 22, curve
Shape decorative pattern, 24a, linear decorative pattern, 24b, linear decorative pattern.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Embodiment one：
As Fig. 1 and Fig. 2 are jointly shown, a kind of vibrating diaphragm, including central part 14, the ring being integrated are sequentially connected from inside to outside
Portion 12 and fixed part 10.Ring portion 12 include curved corners and by curved corners connection first while and when second.Ring portion 12
Curved corners on decorative pattern 20a is distributed with, in the frontal plane of projection of vibrating diaphragm, decorative pattern 20a includes at least one shaped form decorative pattern 22,
And every shaped form decorative pattern 22 extends by the first adjacent side in ring portion 12 to the second edge direction, i.e. every shaped form decorative pattern
22 extend by one end of curved corners to the other end.Curve pattern 22 at each curved corners is by curved corners
Arrange successively in the direction in side to outside.The curved convex direction of present embodiment preference curve shape decorative pattern 22 and the song of curved corners
Line protrusion direction is consistent.The fold at the curved corners of vibrating diaphragm can effectively be reduced, reduce higher hamonic wave distortion, improve ring
Anti-fatigue ability, so as to improve the reliability surplus of product.
It should be noted that refer on the inside of curved corners close to the side of vibrating diaphragm central part 14.The outside of curved corners
Refer to close to the side of vibrating diaphragm fixed part 10.
As Fig. 1 and Fig. 2 are jointly shown, decorative pattern 20a can be adopted as the recessed decorative pattern opposite with the protrusion direction in ring portion 12,
The convex decorative pattern of protrusion direction identical with ring portion 12 can also be used.Decorative pattern is arranged at curved corners as present embodiment
It is preferred that above-mentioned decorative pattern can also be arranged at the straightway in ring portion in practical application, the present embodiment is without limitation.
Further, as Fig. 1 and Fig. 2 are jointly shown, the preferred vibrating diaphragm of present embodiment can be square structure, corresponding folding
Ring portion 12 is square loop configuration, now ring portion 12 include relative two first while, relative two second while and connection
First while and curved corners when second, curved corners be provided with altogether everywhere, often locate to be provided with decorative pattern 20a on curved corners.
It should be noted that in the present embodiment, vibrating diaphragm can also be the structure of other shapes, such as track type knot
Structure, now, ring portion 12 include relative first while and when second, and connection first while and curved corners when second.And
And in structure of the vibrating diaphragm for other shapes, then ring is the cyclic structure of respective shapes.For example, it is track type knot in vibrating diaphragm
During structure, then ring can be track type cyclic structure, and the present embodiment is without limitation.
As shown in Fig. 2 in the orthographic projection plane of vibrating diaphragm, shaped form decorative pattern 22 is provided with least two, at least two curves
Shape decorative pattern 22 is the track extension along at least two concentric circles corresponding with the quantity of shaped form decorative pattern 22.
Present embodiment preference curve shape decorative pattern 22 is provided with four, and four curve patterns 22 are respectively along four concentric circles
Track extends.Further, the center of circle of each concentric circles is located on central part 14.The center of circle of further four concentric circles and folding
The center of circle of circle where the inside edge of the curved corners of ring portion 12 is overlapping, can further suppress product in big displacement
Rocking vibration, make vibrating diaphragm more steady in vibration, and increase the pliable of vibrating diaphragm, obtain more excellent low frequency performance.
It should be noted that the center of circle of at least two concentric circles can determine according to following method.In curved corners and first
Done in junction perpendicular to first while the first vertical line, curved corners and second while junction do perpendicular to second while
The joining of two vertical lines, the first vertical line and the second vertical line is the center of circle.It is, of course, also possible to concentric circles is determined by other method
The center of circle, for example, any choose a little determines the center of circle as the center of circle or other modes, the present embodiment is without limitation.
It should be noted that the several width and ring portion 12 according to shaped form decorative pattern 22 of bar that shaped form decorative pattern 22 is set
Width and required properties of product design, however it is not limited to which above-mentioned four, utility model of the present utility model is characterized by song
The shape and bearing of trend of linear decorative pattern, and the bar number of shaped form decorative pattern 22 is not lain in, such as only it is the difference on bar number, then
Fall within the scope of protection of the utility model.
As shown in Fig. 2 the width at the both ends of each shaped form decorative pattern 22 is respectively less than the width of the center portion thereof, i.e., each shaped form
Decorative pattern 22 is approximately crescent.By shaped form Pattern Design into crescent, the non-linear of vibration can be reduced so that vibration is more
Steadily, it is possible to increase the reliability and sound quality of minitype acoustic generator.
Embodiment two：
Present embodiment and embodiment one are essentially identical, and its difference is：
As Fig. 3 and Fig. 4 are jointly shown, decorative pattern 20b is distributed with the curved corners in ring portion 12, and decorative pattern 20b includes being distributed in
The a plurality of shaped form decorative pattern 22 of the inner side of the curved corners in ring portion 12 and be distributed in ring portion 12 curved corners outside
At least one linear decorative pattern 24a.Shaped form decorative pattern 22 can also be arranged on to the outside of curved corners in practical application, will be straight
Linear decorative pattern 24a is arranged on the inner side of curved corners.
As Fig. 3 and Fig. 4 are jointly shown, shaped form decorative pattern 22 is provided with two in present embodiment, and linear decorative pattern 24a is provided with
Six.In the frontal plane of projection of vibrating diaphragm, six linear decorative pattern 24a are by being in radiation on inner side to the direction in outside of curved corners
Shape is distributed.Six linear decorative pattern 24a length is according to location, for example, linear decorative pattern 24a length can be with
Successively decrease successively from centre to both ends, as centrally located linear decorative pattern 24a length is most long, positioned at edges at two ends position
The linear decorative pattern 24a put length is most short.In such manner, it is possible to which improving vibrating diaphragm decorative pattern in vibration processes fold occurs, improve miniature
Acoustical generator pliable flatness and symmetry, so as to effectively reduce the harmonic distortion of product, improve sound quality.
Further, in the frontal plane of projection of vibrating diaphragm, six linear decorative patterns are close to the outer of the curved corners in ring portion 12
The width of one end of lateral edges is respectively less than its width close to inside edge one end of curved corners, i.e., each linear decorative pattern 24a
It is approximately drops.It is more steady when enabling to diaphragm oscillations, obtain more excellent low frequency performance.
Further, six linear decorative pattern 24a relative to the inward flange of the curved corners in ring portion 12 midpoint with it is outer
Line between the midpoint at edge is symmetrical.Polarization can effectively be mitigated, reduce the harmonic distortion of product.
As Fig. 3 and Fig. 4 are jointly shown, shaped form decorative pattern 22 does not interfere with each other between each other with linear decorative pattern 24a.
It should be noted that the quantity of shaped form decorative pattern and linear decorative pattern is also not necessarily limited to above-mentioned two in present embodiment
Bar and six, only it is with two, shaped form decorative pattern, is illustrated exemplified by six, linear decorative pattern, designer can be according to ring
The structure in portion and the performance requirement of product are modified, and the utility model embodiment is without limitation.
Embodiment three：
Present embodiment and embodiment one are essentially identical, and its difference is：
As Fig. 5 and Fig. 6 are jointly shown, decorative pattern 20c is distributed with the curved corners in ring portion 12, and decorative pattern 20c includes being distributed in
The shaped form decorative pattern 22 of the inner side of the curved corners in ring portion 12 and be distributed in curved corners outside at least one linear
Decorative pattern.Shaped form decorative pattern 22 can also be arranged on to the outside of curved corners in practical application, linear decorative pattern 24b is arranged on
The inner side of curved corners.
As Fig. 5 and Fig. 6 are jointly shown, shaped form decorative pattern 22 is provided with two in present embodiment, and linear decorative pattern 24b is provided with
Three.In the frontal plane of projection of vibrating diaphragm, three linear decorative pattern 24b are in put from the outward flange in ring portion 12 to shaped form decorative pattern 22
Penetrate shape distribution.Three linear decorative pattern 24b length is according to location, and three linear decorative pattern 24b are relative to folding
Line between the midpoint of the inward flange of the curved corners of ring portion 12 and outer peripheral midpoint is symmetrical, two positioned at edge
Linear decorative pattern 24b length is longer, extends respectively to the both ends of the shaped form decorative pattern 22 positioned at outside；Straight line positioned at centre
Shape decorative pattern 24b length is shorter, is spent from the midpoint of the outer ledge of the curved corners in ring portion 12 to the shaped form positioned at outside
The midpoint extension of line 22.So, can equally play, which improves vibrating diaphragm decorative pattern in vibration processes, there is fold, improves minitype acoustic generator
Pliable flatness and symmetry, so as to effectively reduce the harmonic distortion of product, improve the effect of sound quality.
It should be noted that the quantity of shaped form decorative pattern and linear decorative pattern is also not necessarily limited to above-mentioned two in present embodiment
Bar and three, only it is with two, shaped form decorative pattern, is illustrated exemplified by three, linear decorative pattern, designer can be according to ring
The structure in portion and the performance requirement of product are modified, and the utility model embodiment is without limitation.
What the utility model was provided with bearing of trend and ring portion in ring portion moves towards basically identical shaped form decorative pattern, has
The stationarity for improving diaphragm oscillations of effect, adds the pliable of vibrating diaphragm, reduces the generation of fold, improves antifatigue strong
Degree, can pass through reliability test.
Example IV：
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, vibrational system include the vibrating diaphragm that is combined together and
Voice coil loudspeaker voice coil, vibrating diaphragm are the vibrating diaphragm described in embodiment one, embodiment two and embodiment three.
Because the utility model minitype acoustic generator employs shaking described in embodiment one, embodiment two and embodiment three
Film, so as to which with will not produce noise, high sensitivity, higher hamonic wave distortion is small, sound quality is high, and it is excellent that reliability surplus is big etc.
Point.
The utility model is not limited to above-mentioned specific embodiment, and one of ordinary skill in the art visualizes from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all falls within the scope of protection of the utility model.
Claims (10)
1. vibrating diaphragm, including central part, ring portion and the fixed part being sequentially connected from inside to outside, the ring portion is turned including arc
Angle, and by the curved corners connect first while and when second, decorative pattern is distributed with the curved corners, it is characterised in that
In the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes at least one shaped form decorative pattern, and every shaped form decorative pattern by
Adjacent first side in the ring portion extends to second edge direction, the curve at each curved corners
Shape decorative pattern is arranged successively by the direction in inner side to the outside of the curved corners.
2. vibrating diaphragm according to claim 1, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the shaped form flower
The curved convex direction of line is consistent with the curved convex direction of the curved corners.
3. vibrating diaphragm according to claim 2, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the decorative pattern also wraps
Include at least one linear decorative pattern；Wherein, the shaped form decorative pattern is distributed in the inner or outer side of the curved corners, described straight
Linear decorative pattern is distributed in the outside or inner side of the curved corners.
4. vibrating diaphragm according to claim 3, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the linear flower
Line radially distributes on the direction of the inner side of the curved corners to outside or the linear decorative pattern turns in the arc
Radially distributed on the outside at angle to the direction of inner side.
5. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the linear flower
Width of the line close to one end of the outer ledge of the curved corners is less than it close to the one of the inside edge of the curved corners
The width at end.
6. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the linear flower
Line is symmetrical relative to the inside edge of the curved corners and the midpoint line of outer ledge.
7. according to the vibrating diaphragm described in claim any one of 1-6, it is characterised in that described in the frontal plane of projection of the vibrating diaphragm
Shaped form decorative pattern is provided with least two, and at least two shaped form decorative patterns are along corresponding with shaped form decorative pattern quantity at least two
The track extension of individual concentric circles.
8. vibrating diaphragm according to claim 7, it is characterised in that the center of circle of each concentric circles is located on the central part.
9. vibrating diaphragm according to claim 7, it is characterised in that the center of circle of each concentric circles is interior with the curved corners
The center of circle of circle is overlapping where lateral edges.
10. minitype acoustic generator, including vibrational system and magnetic circuit system, the vibrational system includes the vibrating diaphragm and sound being combined together
Circle, it is characterised in that the vibrating diaphragm is the vibrating diaphragm described in claim 1 to 9 any claim.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589882.9U CN206932393U (en) | 2017-05-24 | 2017-05-24 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720589882.9U CN206932393U (en) | 2017-05-24 | 2017-05-24 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206932393U true CN206932393U (en) | 2018-01-26 |
Family
ID=61351746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720589882.9U Withdrawn - After Issue CN206932393U (en) | 2017-05-24 | 2017-05-24 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206932393U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233410A1 (en) * | 2017-06-19 | 2018-12-27 | 歌尔股份有限公司 | Diaphragm and micro speaker provided with the same |
-
2017
- 2017-05-24 CN CN201720589882.9U patent/CN206932393U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233410A1 (en) * | 2017-06-19 | 2018-12-27 | 歌尔股份有限公司 | Diaphragm and micro speaker provided with the same |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180126 Effective date of abandoning: 20191213 |
|
| AV01 | Patent right actively abandoned |