CN207150812U - 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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- CN207150812U CN207150812U CN201720714213.XU CN201720714213U CN207150812U CN 207150812 U CN207150812 U CN 207150812U CN 201720714213 U CN201720714213 U CN 201720714213U CN 207150812 U CN207150812 U CN 207150812U
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- vibrating diaphragm
- decorative pattern
- crescent
- ring portion
- 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 central part, ring portion and the fixed part being sequentially connected from inside to outside, decorative pattern is distributed with the ring portion, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes a plurality of crescent decorative pattern, and every crescent decorative pattern extends by the inside edge in the ring portion to the outer ledge direction in the ring portion.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 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 typically linear, and decorative pattern is extended to separately by a lateral edges in ring portion
One lateral edges, 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, it is possible to increase miniature hair
The reliability and sound quality of sound device.
Based on same inventive concept, second technical problem to be solved in the utility model is to provide a kind of miniature hair
Sound device, this minitype acoustic generator will not produce noise, and high sensitivity, higher hamonic wave distortion is small, and sound quality is high.
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, it is distributed in the ring portion
There is decorative pattern, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes a plurality of crescent decorative pattern, and every crescent decorative pattern
Extend by the inside edge in the ring portion to the outer ledge direction in the ring portion.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the both ends of each crescent decorative pattern respectively with the ring portion
Inside edge is connected with outer ledge.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the vibrating diaphragm is square or track type, and the ring portion includes arc
Turning and be connected to the first of the curved corners both ends while and when second, the crescent decorative pattern is distributed in the arc
Corner.
Wherein, in the frontal plane of projection of the vibrating diaphragm, each crescent decorative pattern at the same curved corners is successively
Arrangement, and each crescent decorative pattern is bent by described first while to described second, or by second side to described
First side is bent.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the crescent decorative pattern at each curved corners it is curved
Qu Fangxiang all sames, or the bending direction of the crescent decorative pattern at adjacent two curved corners are opposite.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the bar of the crescent decorative pattern on each curved corners
Number is identical.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern expands to first side by the curved corners
With second side on the position of the curved corners.
Wherein, in the frontal plane of projection of the vibrating diaphragm, positioned at first side at the same curved corners both ends and institute
The crescent rib number stated on the second side is identical.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the radian of the crescent decorative pattern on the curved corners
Less than positioned at described first while and it is described second while on the crescent decorative pattern radian.
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 is provided with decorative pattern, in the frontal plane of projection of vibrating diaphragm, decorative pattern includes a plurality of
Crescent decorative pattern, by the inside edge in ring portion, edge extends crescent decorative pattern laterally.Such a crescent decorative pattern shakes in vibrating diaphragm
When dynamic, fold can from narrow to wide, then by width to narrow carry out transition at decorative pattern, the vibrating diaphragm phase with linear decorative pattern of the prior art
Than having the following advantages that：
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, there is more excellent low frequency
Energy；
3rd, the generation of vibrating diaphragm corner fold can be reduced, the higher hamonic wave at resonant frequency can be effectively reduced and lost
Very, the sound quality of minitype acoustic generator is improved；
4th, it can effectively slow down the problem of vibrating diaphragm corner stress is big, effectively mitigate polarization, improve the anti-tired of ring portion
Labor ability, 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 orthographic projection structural representation of the utility model vibrating diaphragm embodiment one；
Fig. 2 is the orthographic projection structural representation of the utility model vibrating diaphragm embodiment two；
In figure：10th, fixed part, 12, ring portion, 14, central part, 20, crescent decorative pattern.
Embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Embodiment one：
As shown in figure 1, a kind of vibrating diaphragm, including be sequentially connected the central part 14 being integrated, ring portion 12 from inside to outside and consolidate
Determine portion 10.In the frontal plane of projection of vibrating diaphragm, decorative pattern is distributed with ring portion 12, decorative pattern includes a plurality of crescent decorative pattern 20, and often
Bar crescent decorative pattern 20 extends by the inside edge in ring portion 12 to the outer ledge direction in ring portion 12.
Further, in the frontal plane of projection of vibrating diaphragm, the both ends of each crescent decorative pattern 20 inner side with ring portion 12 respectively
Edge is connected with outer ledge.In diaphragm oscillations, fold can from narrow to wide, then by wide to narrow at the decorative pattern of crescent decorative pattern
Transition is carried out, so as to effectively reduce ring fold, reduces Non-Linear Vibration so that it is more steady during diaphragm oscillations, it is right
Effective inhibitory action is played in harmonic distortion, it is possible to increase the reliability and sound quality of minitype acoustic generator.
It should be noted that the inner side in ring portion 12 refers to close to the side of vibrating diaphragm central part 14.The outside in ring portion 12
Refer to close to the side of vibrating diaphragm fixed part 10.
As illustrated, crescent decorative pattern 20 can use the recessed decorative pattern opposite with the protrusion direction in ring portion 12, can also
Using the convex decorative pattern of protrusion direction identical with ring portion 12.
As shown in figure 1, the preferred vibrating diaphragm of present embodiment is square structure, corresponding ring portion 12 is square loop configuration, bag
Bracket turning and be connected to the first of curved corners both ends while and when second, curved corners are provided with everywhere altogether, crescent decorative pattern
20 are arranged on curved corners.It is the preferred of present embodiment that decorative pattern, which is arranged at curved corners, and decorative pattern also may be used in practical application
Be arranged on the first of ring portion while and when second on, the present embodiment is without limitation.
It should be noted that in the utility model embodiment, vibrating diaphragm can also be the structure of other shapes, such as runway
Shape structure, the utility model are without limitation.And in structure of the vibrating diaphragm for other shapes, then ring is respective shapes
Cyclic structure.For example, when vibrating diaphragm is track type structure, then ring can be track type cyclic structure.
As shown in figure 1, in the frontal plane of projection of vibrating diaphragm, a plurality of crescent decorative pattern 20 is equipped with each curved corners, is located at
Each crescent decorative pattern 20 at same curved corners is arranged in order, and each crescent decorative pattern 20 by first while to second it is curved
Song, or each crescent decorative pattern 20 are bent by second while to first.
Further, in present embodiment, the crescent at two curved corners diagonally set in four curved corners is spent
Line 20 is bent by first while to second, and the crescent decorative pattern 20 at two curved corners of diagonal setting in addition is by
Two bend while to first, i.e., the bending direction all same of the crescent decorative pattern 20 at each curved corners, the institute on whole vibrating diaphragm
Some crescent decorative patterns 20 are bent along the clockwise or counterclockwise in ring portion 12.
As shown in figure 1, in the frontal plane of projection of vibrating diaphragm, the bar number phase of the crescent decorative pattern 20 on each curved corners
Together, at the same decorative pattern by curved corners expand to first while and position when second close to curved corners on, and be located at same arc
The first of shape turning both ends while and when second on 20 numbers of crescent decorative pattern it is identical.Everywhere decorative pattern is set altogether in present embodiment
There are nine crescent decorative patterns 20, wherein there are five on curved corners, four in addition are located at curved corners both ends respectively
First while and when second on, per one side on be respectively provided with two.Such a structure is advantageous to improve the polarization of vibrating diaphragm, improves miniature sounding
The sound quality of device.
It should be noted that the bar number of crescent decorative pattern is not limited to nine in present embodiment in the decorative pattern of everywhere,
Designer can be increased and decreased according to the requirement of the structure and properties of product of vibrating diaphragm, bar number of the present embodiment to crescent decorative pattern
It is not restricted.Crescent decorative pattern can also be provided only on curved corners simultaneously, or can also be covered with whole ring, designed
Personnel are adjusted also according to the structure of vibrating diaphragm and the performance of product, and the present embodiment is not also limited to this.
As shown in figure 1, in the frontal plane of projection of vibrating diaphragm, the length of the crescent decorative pattern 20 on curved corners is more than position
In first while and when second on crescent decorative pattern 20 length, the arc of the corresponding crescent decorative pattern 20 on curved corners
Degree be less than positioned at first while and when second on crescent decorative pattern 20 radian, i.e., positioned at first while and when second on crescent
The flexibility of decorative pattern 20 is larger.Such a design is by the structures shape in ring portion, because the width in the ring portion at curved corners
Degree be more than first while and when second at ring portion width, so as to which each crescent decorative pattern 20 be designed according to the structure in ring portion
It into the structure of length and radian not etc., can effectively slow down the problem of vibrating diaphragm corner stress is big, effectively mitigate polarization, improve
The anti-fatigue ability in ring portion, improve the reliability surplus of minitype acoustic generator.
Embodiment two：
As shown in Fig. 2 present embodiment and embodiment one are essentially identical, its difference is：
Crescent decorative pattern 20 at four curved corners is bent by first while to second；Or by the second side to
First side is bent, i.e., the bending direction of the crescent decorative pattern 20 at adjacent two curved corners is on the contrary, and be located at adjacent two arc
The decorative pattern of shape corner relative to vibrating diaphragm x-axis center line or y-axis center line symmetrical setting.
Embodiment three：
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 or embodiment two.
Because the utility model minitype acoustic generator employs the vibrating diaphragm described in embodiment one or embodiment two, so as to have
Noise will not be produced, the advantages that high sensitivity, higher hamonic wave distortion is small, and sound quality is high, and reliability surplus is big.
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, flower is distributed with the ring portion
Line, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes a plurality of crescent decorative pattern, and every moon
Thread form decorative pattern extends by the inside edge in the ring portion to the outer ledge direction in the ring portion.
2. vibrating diaphragm according to claim 1, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, each crescent
The both ends of decorative pattern are connected with the inside edge in the ring portion and outer ledge respectively.
3. vibrating diaphragm according to claim 2, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the vibrating diaphragm is side
Shape or track type, the ring portion include curved corners and are connected to first side and second at the curved corners both ends
Side, the crescent decorative pattern are distributed at 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, positioned at same described
Each crescent decorative pattern at curved corners is arranged successively, and each crescent decorative pattern by first side to described
Two sides are bent, or are bent by described second while to described first.
5. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, positioned at each arc
The bending direction all same of the crescent decorative pattern of shape corner, or the crescent flower at adjacent two curved corners
The bending direction of line is opposite.
6. vibrating diaphragm according to claim 5, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, positioned at each arc
The bar number of the crescent decorative pattern on shape turning is identical.
7. vibrating diaphragm according to claim 6, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the decorative pattern is by institute
State expanded at curved corners described first while and it is described second while on the position of the curved corners.
8. vibrating diaphragm according to claim 7, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, positioned at same described
Described the first of curved corners both ends while with described second on the crescent rib number it is identical.
9. vibrating diaphragm according to claim 7, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, positioned at the arc
The radian of the crescent decorative pattern on turning be less than positioned at described first while and it is described second while on the crescent decorative pattern
Radian.
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 |
|---|---|---|---|
| CN201720714213.XU CN207150812U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714213.XU CN207150812U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207150812U true CN207150812U (en) | 2018-03-27 |
Family
ID=61671381
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720714213.XU Active CN207150812U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
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| Country | Link |
|---|---|
| CN (1) | CN207150812U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233409A1 (en) * | 2017-06-19 | 2018-12-27 | 歌尔股份有限公司 | Diaphragm and micro speaker provided with same |
| CN111147997A (en) * | 2020-02-24 | 2020-05-12 | 无锡韦尔半导体有限公司 | Capacitive sensor and method for manufacturing the same |
-
2017
- 2017-06-19 CN CN201720714213.XU patent/CN207150812U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018233409A1 (en) * | 2017-06-19 | 2018-12-27 | 歌尔股份有限公司 | Diaphragm and micro speaker provided with same |
| CN111147997A (en) * | 2020-02-24 | 2020-05-12 | 无锡韦尔半导体有限公司 | Capacitive sensor and method for manufacturing the same |
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