CN206908822U - 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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- CN206908822U CN206908822U CN201720723505.XU CN201720723505U CN206908822U CN 206908822 U CN206908822 U CN 206908822U CN 201720723505 U CN201720723505 U CN 201720723505U CN 206908822 U CN206908822 U CN 206908822U
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- decorative pattern
- vibrating diaphragm
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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, the ring portion includes curved corners, it is distributed with decorative pattern on the curved corners, the decorative pattern includes the second decorative pattern and the 3rd decorative pattern on the curved corners that are separately positioned on first decorative pattern at the both ends of the curved corners and are arranged between first decorative pattern；First decorative pattern is extended to the outer ledge of the curved corners by the inside edge of the curved corners；Second decorative pattern is located at the inner side of the curved corners, extend from the inside edge of the curved corners to the outside of the curved corners, 3rd decorative pattern is located at the outside of the curved corners, is extended from the outer ledge of the curved corners to the inner side of the curved corners；Second decorative pattern is interspersed with the 3rd decorative pattern.Vibration is steady, distortion is small.
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.
Existing vibrating diaphragm would generally set single groove type decorative pattern at the curved corners in ring portion, such a to be provided with list
Following defect can be produced in vibration by arranging the vibrating diaphragm of pattern structure：
First, rocking vibration occurs when big displacement is vibrated for vibrating diaphragm, and the stability of vibration is poor, and cause minitype acoustic generator can
It is low by property；
2nd, easily there is fold in vibration at curved corners in vibrating diaphragm, causes the harmonic distortion of minitype acoustic generator higher, sound
It is of poor quality.
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
In vibration, corner is less prone to fold, and vibration is steady, can effectively reduce the harmonic distortion of minitype acoustic generator, improves miniature
The reliability and sound quality of acoustical generator.
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 harmonic distortion is small, and sound quality is high, and reliability 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, the ring portion include arc
Shape turning and be connected to the first of the curved corners both ends 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 being separately positioned on first decorative pattern at the both ends of the curved corners and set
Put the second decorative pattern and the 3rd decorative pattern on the curved corners between first decorative pattern；First decorative pattern is by institute
The inside edge for stating curved corners extends to the outer ledge of the curved corners；Second decorative pattern is located at the curved corners
Inner side, extend from the inside edge of the curved corners to the outside of the curved corners, the 3rd decorative pattern is positioned at described
The outside of curved corners, extended from the outer ledge of the curved corners to the inner side of the curved corners；Second decorative pattern
It is interspersed with the 3rd decorative pattern.
Wherein, the length of second decorative pattern and the 3rd decorative pattern is respectively less than the length of first decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern at both ends is relative to the curved corners
The midpoint line of inside edge and outer ledge is symmetrical；Second decorative pattern and the 3rd decorative pattern are also respectively relative to institute
It is symmetrical to state midpoint line.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern, second decorative pattern and the 3rd decorative pattern are equal
For linear decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern is equipped with a plurality of at two, a plurality of first flower
Line is radially distributed from the inside edge of the curved corners to the outer ledge of the curved corners.
Wherein, in the frontal plane of projection of the vibrating diaphragm, second decorative pattern and the 3rd decorative pattern are equipped with a plurality of, and institute
State the quantity of the second decorative pattern and the quantity of the 3rd decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the extension of the elongated end of second decorative pattern and the 3rd decorative pattern
End is set at a distance of pre-determined distance, or second decorative pattern with the 3rd decorative pattern transpostion interval.
Wherein, in the frontal plane of projection of the vibrating diaphragm, second decorative pattern is identical with the shape of the 3rd decorative pattern, described
It is wide among the point of the both ends of second decorative pattern and the 3rd decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the width of second decorative pattern and the 3rd decorative pattern is more than described
The width of first decorative pattern.
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, decorative pattern is distributed with curved corners, in vibrating diaphragm
In frontal plane of projection, decorative pattern includes the second flower between being arranged on first decorative pattern at the both ends of curved corners and being arranged on the first decorative pattern
Line and the 3rd decorative pattern；First decorative pattern is extended to the outer ledge of curved corners by the inside edge of curved corners；Second decorative pattern position
Extend in the inner side of curved corners and from the inside edge of curved corners to the outside of curved corners, the 3rd decorative pattern turns positioned at arc
The outside at angle is simultaneously extended from the outer ledge of curved corners to the inner side of curved corners, and the second decorative pattern and the 3rd decorative pattern staggeredly divide
Cloth.The both ends of such a curved corners are single decorative pattern, and middle part is the vibrating diaphragm of two row's pattern structures and single flower of the prior art
The vibrating diaphragm of line structure is compared and had 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, vibration
Stability it is good, it is possible to increase the reliability of minitype acoustic generator；
2nd, the generation of fold at vibrating diaphragm curved corners can be reduced, the Cms (equivalent pliable) of minitype acoustic generator can be improved
Flatness and symmetry, reduce the harmonic distortion of minitype acoustic generator, improve the sound quality of minitype acoustic generator.
Because the vibrating diaphragm of the utility model minitype acoustic generator is above-mentioned vibrating diaphragm, so as to which harmonic distortion is small, sound quality is high, can
By property height.
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, be also easy to produce the technical problems such as fold, the vibrating diaphragm of the utility model vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm shakes
It is dynamic steady, be not likely to produce fold, be small so as to the harmonic distortion of minitype acoustic generator, sound quality is high, and reliability is high.
Brief description of the drawings
Fig. 1 is the dimensional structure diagram of the utility model vibrating diaphragm；
Fig. 2 is the orthographic projection structural representation of the utility model vibrating diaphragm；
In figure：10th, fixed part, 12, ring portion, 14, central part, the 20, first decorative pattern, the 22, second decorative pattern, the 24, the 3rd flower
Line.
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 is distributed with, in the frontal plane of projection of vibrating diaphragm, decorative pattern include be arranged on curved corners both ends first
The second decorative pattern 22 and the 3rd decorative pattern 24, arc on decorative pattern 20, and the curved corners being arranged between the first decorative pattern 20 turn
The both ends at angle refer to its respectively with first while and the position that is connected when second.First decorative pattern 20 is prolonged by the inside edge of curved corners
Extend the outer ledge of curved corners；Second decorative pattern 22 is located at the inner side of curved corners, from the inside edge of curved corners to arc
The outside extension at shape turning, the 3rd decorative pattern 24 is located at the outside of curved corners, from the outer ledge of curved corners to curved corners
Inner side extension, and the second decorative pattern 22 is staggered with the 3rd decorative pattern 24.
As Fig. 1 and Fig. 2 are jointly shown, in the frontal plane of projection of vibrating diaphragm, present embodiment preferably the first decorative pattern 20, second flower
The decorative pattern 24 of line 22 and the 3rd is linear decorative pattern.First decorative pattern 20, the second decorative pattern 22 and the 3rd decorative pattern 24 are linear flower
Line is the preferred structure of present embodiment, and linear decorative pattern is not limited in practical application, can also use the shaped forms such as arc
Decorative pattern, it is without limitation in the present embodiment.
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, the first decorative pattern 20, the second decorative pattern 22 and the 3rd decorative pattern 24 can use and ring portion
The opposite recessed decorative pattern of 12 protrusion direction, the convex decorative pattern of protrusion direction identical with ring portion 12 can also be used.Decorative pattern is set
It is the preferred of present embodiment at curved corners, decorative pattern can also be arranged at the straightway in ring portion in practical application, this
Embodiment is without limitation.
As Fig. 1 and Fig. 2 are jointly shown, the preferred vibrating diaphragm of present embodiment is square structure, and corresponding ring portion 12 is Fang Huan
Shape structure, curved corners are provided with everywhere altogether, often locate to be provided with the first decorative pattern 20, the second decorative pattern 22 and the 3rd flower on curved corners
Line 24.It should be noted that in the utility model embodiment, vibrating diaphragm can also be the structure of other shapes, such as track type
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 Fig. 2 in the frontal plane of projection of vibrating diaphragm, present embodiment is preferably placed at the first of same curved corners both ends
Decorative pattern 20 is equipped with a plurality of, and each first decorative pattern 20 is relative to the midpoint of the inside edge of curved corners and the midpoint of outer ledge
Between line it is symmetrical, i.e., it is symmetrical relative to the inside edge of curved corners and the midpoint line of outer ledge.Position
The second decorative pattern 22 between the first decorative pattern 20 is provided with a plurality of, and a plurality of second decorative pattern 22 is also symmetrical with respect to the midpoint line.
The 3rd decorative pattern 24 between the first decorative pattern 20 also is provided with a plurality of, and a plurality of 3rd decorative pattern 24 is symmetrical also relative to the midpoint line
Distribution.The design of such a decorative pattern is in diaphragm oscillations, it is possible to increase the stationarity of diaphragm oscillations, prevents from polarizing, it is possible to increase micro-
The reliability and sound quality of type acoustical generator.
As Fig. 1 and Fig. 2 are jointly shown, in the frontal plane of projection of vibrating diaphragm, a plurality of first flower positioned at curved corners with one end
Line 20 radially distributes by the inside edge of curved corners to the outer ledge of curved corners.Per one end in present embodiment
The first decorative pattern 20 be provided with four, be preferably placed at outermost two the first decorative patterns 20 respectively with first while and extension when second
Direction is vertical.
As Fig. 1 and Fig. 2 are jointly shown, in the frontal plane of projection of vibrating diaphragm, the quantity of the second decorative pattern 22, present embodiment
It is preferred that poor one article of the quantity of the quantity of the second decorative pattern 22 and the 3rd decorative pattern 24, further preferably the elongated end of the second decorative pattern 22 with
The elongated end of 3rd decorative pattern 24 is non-intersect on curved corners at a distance of pre-determined distance, the second decorative pattern 22 and the 3rd decorative pattern 24.Now,
The corresponding two articles of second adjacent decorative patterns 22 of one article of the 3rd decorative pattern 24, i.e., corresponding two articles of the elongated end of one article the 3rd decorative pattern 24 are adjacent
Gap between second decorative pattern 22.Similarly, corresponding two articles of the 3rd adjacent decorative patterns 24 of one article of second decorative pattern 22, i.e. second decorative pattern
Gap between corresponding two articles of the 3rd adjacent decorative patterns 24 of 22 elongated end.The elongated end of second decorative pattern 22 refers to that the second decorative pattern 22 is remote
From one end of the inside edge of curved corners, the elongated end of the 3rd decorative pattern 24 refers to the 3rd outside of the decorative pattern 24 away from curved corners
The one end at edge.
The quantity of present embodiment preferably the second decorative pattern 22 than the 3rd decorative pattern 24 quantity more than one article, such as the second decorative pattern 22
Provided with four, the 3rd decorative pattern 24 is provided with three articles, wherein four the second decorative patterns 22 are symmetrically distributed in the both sides of midpoint line two-by-two, i.e.,
For the second decorative pattern 22 centered on the inner side midpoint of curved corners it is symmetrical, one article of the centre of three article of the 3rd decorative pattern 24 is located at
On the line of midpoint, two other is symmetrically distributed in middle one both sides.
It should be noted that be not limited to the quantity of the second decorative pattern than the 3rd decorative pattern quantity more than or the 3rd flower
The quantity of the quantity of line and the second decorative pattern is more, on the 3rd decorative pattern quantity than the second decorative pattern quantity more than embodiment
It is same as described above, it will not be repeated here.
It should be noted that an article number present embodiment for the first decorative pattern 20, the second decorative pattern 22 and the 3rd decorative pattern 24 does not limit
System, designer can design according to the structure and required properties of product in ring portion 12, and invention main points of the present utility model exist
Both ends at curved corners set single decorative pattern, are provided with the curved corners at two between single decorative pattern non-interference
Two row's decorative patterns, and the bar number of each decorative pattern is not lain in, such as only it is the difference on bar number, then also fall into protection model of the present utility model
Within enclosing.
As shown in Fig. 2 in the frontal plane of projection of vibrating diaphragm, the present embodiment preferably knot of the second decorative pattern 22 and the 3rd decorative pattern 24
Structure is identical, the both ends point intermediate width of the second decorative pattern 22 and the 3rd decorative pattern 24.Further preferably the second decorative pattern of present embodiment
22 and the 3rd decorative pattern 24 width be more than the first decorative pattern 20 width.The production of fold at curved corners can further be reduced
It is raw, the harmonic distortion of minitype acoustic generator is advantageously reduced, improves sound quality.
Embodiment two：
Present embodiment and embodiment one are essentially identical, and its difference is：
Second decorative pattern and the 3rd decorative pattern transpostion interval are set, i.e. the elongated end of the second decorative pattern extends to adjacent two the 3rd decorative pattern
Between gap in, the elongated end of the 3rd decorative pattern is extended in the gap between adjacent two second decorative pattern.
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
Harmonic distortion is small, and sound quality is high, high reliability.
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 include curved corners
And be connected to the first of the curved corners both ends while and when second, decorative pattern is distributed with the curved corners, its feature
It is,
In the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes the first decorative pattern for being separately positioned on the both ends of the curved corners
And the second decorative pattern and the 3rd decorative pattern on the curved corners being arranged between first decorative pattern；
First decorative pattern is extended to the outer ledge of the curved corners by the inside edge of the curved corners；
Second decorative pattern is located at the inner side of the curved corners, from the inside edge of the curved corners to the curved corners
Outside extension, the 3rd decorative pattern is located at the outside of the curved corners, from the outer ledge of the curved corners to described
The inner side extension of curved corners；
Second decorative pattern is interspersed with the 3rd decorative pattern.
2. vibrating diaphragm according to claim 1, it is characterised in that the length of second decorative pattern and the 3rd decorative pattern is small
In the length of first decorative pattern.
3. vibrating diaphragm according to claim 2, it is characterised in that described at both ends in the frontal plane of projection of the vibrating diaphragm
First decorative pattern is symmetrical relative to the inside edge of the curved corners and the midpoint line of outer ledge；Second decorative pattern
It is symmetrical that the midpoint line is also respectively relative to the 3rd decorative pattern.
4. according to the vibrating diaphragm described in claim any one of 1-3, it is characterised in that described in the frontal plane of projection of the vibrating diaphragm
First decorative pattern, second decorative pattern and the 3rd decorative pattern are linear decorative pattern.
5. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, described first at two
Decorative pattern is equipped with a plurality of, outer side edges of a plurality of first decorative pattern from the inside edge of the curved corners to the curved corners
Edge radially distributes.
6. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, second decorative pattern
A plurality of, and the quantity of the quantity of second decorative pattern and the 3rd decorative pattern is equipped with the 3rd decorative pattern.
7. vibrating diaphragm according to claim 6, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, second decorative pattern
Elongated end and the 3rd decorative pattern elongated end at a distance of pre-determined distance, or between second decorative pattern and the 3rd decorative pattern intersect
Every setting.
8. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, second decorative pattern
It is identical with the shape of the 3rd decorative pattern, it is wide among the both ends point of second decorative pattern and the 3rd decorative pattern.
9. vibrating diaphragm according to claim 4, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, second decorative pattern
It is more than the width of first decorative pattern with the width of the 3rd decorative pattern.
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 |
|---|---|---|---|
| CN201720723505.XU CN206908822U (en) | 2017-06-20 | 2017-06-20 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723505.XU CN206908822U (en) | 2017-06-20 | 2017-06-20 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206908822U true CN206908822U (en) | 2018-01-19 |
Family
ID=61285147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720723505.XU Active CN206908822U (en) | 2017-06-20 | 2017-06-20 | Vibrating diaphragm and the minitype acoustic generator provided with the vibrating diaphragm |
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| CN (1) | CN206908822U (en) |
Cited By (3)
| 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 |
| WO2022067982A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| WO2022067978A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound production device |
-
2017
- 2017-06-20 CN CN201720723505.XU patent/CN206908822U/en active Active
Cited By (3)
| 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 |
| WO2022067982A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound generation device |
| WO2022067978A1 (en) * | 2020-09-30 | 2022-04-07 | 瑞声声学科技(深圳)有限公司 | Diaphragm and sound production device |
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