CN207266276U - Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm - Google Patents
Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm Download PDFInfo
- Publication number
- CN207266276U CN207266276U CN201720835688.4U CN201720835688U CN207266276U CN 207266276 U CN207266276 U CN 207266276U CN 201720835688 U CN201720835688 U CN 201720835688U CN 207266276 U CN207266276 U CN 207266276U
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- decorative pattern
- vibrating diaphragm
- ring portion
- curved corners
- projection
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Abstract
The utility model discloses a kind of vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm, it is related to electro-acoustic product technical field, including sequentially connected central part from inside to outside, ring portion and fixed part, decorative pattern is distributed with the ring portion, in the frontal plane of projection of the vibrating diaphragm, at least one the second decorative patterns that the decorative pattern includes being positioned close at least one the first decorative patterns on the inside of the ring portion of the central part and is positioned close on the outside of the ring portion of the fixed part；First decorative pattern is extended from the inside edge in the ring portion to the middle part in the ring portion, and second decorative pattern is extended from the middle part in the ring portion to the outer ledge in the ring portion, and first decorative pattern and second decorative pattern are oblique decorative pattern.The diaphragm oscillations of the utility model vibrating diaphragm and minitype acoustic generator equipped with the vibrating diaphragm are steady, are not likely to produce that fold, anti-fatigue ability are strong, so that 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 equipped 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, 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 usually linear, and decorative pattern moves towards vertical direction by rolling over along with ring portion
The one side edge of ring portion extends to another lateral edges, and 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 minitype acoustic generator distortion higher, while sensitivity is relatively low, and acoustical behavior is poor；
3rd, easily there is fold at ring portion curved corners so that stress concentration ring portion fatigue, not easily passs through reliability examination
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 harmonic distortion, it is possible to increase minitype acoustic generator
Reliability and acoustical behavior.
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 high sensitivity, harmonic distortion is small, and acoustical behavior is high.
To solve above-mentioned first technical problem, the technical solution of the utility model is：
A kind of vibrating diaphragm, including sequentially connected central part, ring portion and fixed part from inside to outside, are distributed in the ring portion
There is decorative pattern, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes being positioned close in the ring portion of the central part
At least one the first decorative patterns of side and at least one the second decorative patterns being positioned close on the outside of the ring portion of the fixed part；
First decorative pattern tilts extension from the inside edge in the ring portion to the middle part in the ring portion, and second decorative pattern is by institute
The middle part for stating ring portion tilts extension to the outer ledge in the ring portion, and first decorative pattern and second decorative pattern are
Oblique decorative pattern.
Wherein, the ring portion include curved corners and by the curved corners connect first while and when second；It is described
First decorative pattern and second decorative pattern are arranged at the curved corners.
Wherein, each described first center line is tangential on same circle.
Wherein, first decorative pattern is tilted from described first while to described second, or from second side to described
First side tilts；Second decorative pattern is tilted from described first while to described second, or from second side to described
While tilt.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the decorative pattern at adjacent two curved corners is relative to described
The center line symmetrical setting in ring portion.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern and second decorative pattern are linear decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern close to the inside edge in the ring portion one
The width at end is less than the width of its other end；Width of second decorative pattern close to one end of the outer ledge in the ring portion is small
In the width of its other end.
Wherein, in the frontal plane of projection of the vibrating diaphragm, each first decorative pattern from the inside edge of the curved corners to
Radially distribute in the middle part of the curved corners, each second decorative pattern is turned from the middle part of the curved corners to the arc
The outer ledge at angle radially distributes.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the ring portion is square ring, and first side is the ring
The short side in portion, second side are the long side in the ring portion.
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：
Since decorative pattern is distributed with the ring portion of the utility model vibrating diaphragm, in the frontal plane of projection of vibrating diaphragm, decorative pattern includes setting
Rest against at least one the first decorative patterns on the inside of the ring of nearly central part and be positioned close on the outside of the ring of fixed part at least one
The second decorative pattern of bar, the first decorative pattern are extended from the inside edge in ring portion to the middle part in ring portion, and the second decorative pattern is by ring portion
Portion extends to the outer ledge in ring portion, and the first decorative pattern and the second decorative pattern are oblique decorative pattern.It is such a inside and outside ring
The vibrating diaphragm of oblique pattern structure is set compared with the vibrating diaphragm of the single pattern structure vertical with ring portion trend of the prior art
Have 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, the harmonic distortion of minitype acoustic generator can be effectively reduced, improve miniature sounding
The sensitivity of device so that minitype acoustic generator has more preferably low frequency performance；
3rd, the generation of fold at curved corners can effectively be mitigated, so that it is big to slow down stress at vibrating diaphragm curved corners
Problem, effectively mitigates polarization, improves the anti-fatigue ability in ring portion, improves the reliability surplus of minitype acoustic generator.
Since the vibrating diaphragm of the utility model minitype acoustic generator is above-mentioned vibrating diaphragm, so that noise will not be produced, high sensitivity is humorous
Wave distortion is small, and sound quality is high, and acoustical behavior is good, and reliability surplus is big.
Shake in conclusion the utility model vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm solve vibrating diaphragm in the prior art
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 equipped 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 that 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；
Fig. 2 is the orthographic projection structure diagram 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.
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
On decorative pattern is distributed with, in the frontal plane of projection of vibrating diaphragm, decorative pattern include be positioned close on the inside of the ring of central part 14 at least one
The first decorative pattern of bar 20, and it is positioned close at least one the second decorative patterns 22 on the outside of the ring of fixed part 10.First decorative pattern 20 by
The inside edge in ring portion 12 extends to the middle part in ring portion 12, and the second decorative pattern 22 is from the middle part in ring portion 12 to ring portion 12
Outer ledge extends, and the first decorative pattern 20 and the second decorative pattern 22 are oblique decorative pattern, i.e. the first decorative pattern 20 prolongs with the second decorative pattern 22
Stretch direction and do not move towards parallel with ring portion 12, it is also vertical with the trend in ring portion 12.One end of whole decorative pattern is wedge angle
Structure, the other end are swallowtail-shaped structure.Further first decorative pattern 20 and the second decorative pattern 22 are non-interference, independently of each other, i.e., each
There is no overlapping between first decorative pattern 20 and each second decorative pattern 22.
It should be noted that the inward flange in ring portion refers to the one side edge close to central part 14, the outer edge in ring portion
Refer to the one side edge close to fixed part 10.
Refer to frontal plane of projection in decorative pattern it should be noted that the first decorative pattern 20 and the second decorative pattern 22 are oblique decorative pattern
Interior, one end of decorative pattern and the connecting line of the other end are not on horizontal line, nor vertical curve, but an oblique line.
As Fig. 1 and Fig. 2 are jointly shown, the first decorative pattern 20 and the second decorative pattern 22 can use the protrusion direction with ring portion 12
Opposite recessed decorative pattern, can also use the convex decorative pattern identical with the protrusion direction in ring portion 12.
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 square
Cyclic structure, curved corners are equipped with everywhere altogether, first while and second while be respectively equipped with two, two first sides are oppositely arranged, two the
Two sides are oppositely arranged.The first decorative pattern 20 and the second decorative pattern 22 are distributed with curved corners everywhere, and is turned positioned at adjacent two arc
Decorative pattern at angle is symmetrical arranged relative to the center line a or b of vibrating diaphragm.The vibrating diaphragm polarization that such a structure can be prevented effectively, carries
The stability of high vibration so that vibration is more steady.
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.Meanwhile 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 shown in Fig. 2, in the frontal plane of projection of vibrating diaphragm, the first decorative pattern 20 and the second decorative pattern 22 are respectively provided with present embodiment
Have a plurality of, and be linear decorative pattern, further, the first decorative pattern 20 and the second decorative pattern 22 are the narrow knot in the wide one end in one end
Structure, that is, be approximately water-drop-shaped.Present embodiment preferably the first decorative pattern 20 one end mutually close with the second decorative pattern 22 is wider, i.e., and first
Width of the decorative pattern 20 close to one end of the inside edge in ring portion 12 is less than the width of its other end, and the second decorative pattern 22 is close to ring
The width of one end of the outer ledge in portion 12 is less than the width of its other end.The design of such a decorative pattern can further mitigate arc
The generation of shape corner fold, while the stress concentration that vibrating diaphragm is produced in vibration at curved corners can be reduced, increase vibrating diaphragm
It is pliable.
It should be noted that the bar number present embodiment of the first decorative pattern 20 and the second decorative pattern 22 is not limited, designer
It can be designed according to the structure and required properties of product in ring portion 12, the quantity of the two can be identical, also can be different, this practicality is new
The inside and outside both sides that the invention of type is characterized by curved corners are respectively arranged with inclined linear decorative pattern, and do not lie in each flower
The bar number of line, is such as only the difference on bar number, then also fall within the scope of protection of the utility model.
As shown in Fig. 2, in the frontal plane of projection of vibrating diaphragm, the center line of each first decorative pattern 20 at same curved corners
It is tangential on same circle.Further middle part of each first decorative pattern 20 from the inside edge of curved corners to curved corners is radial
Distribution, each second decorative pattern 22 are radially distributed from the middle part of curved corners to the outer ledge of curved corners.Arc can be reduced
The generation of shape corner fold, increases the pliable of vibrating diaphragm, reduces the harmonic distortion of minitype acoustic generator.
As shown in Fig. 2, in the frontal plane of projection of vibrating diaphragm, the first decorative pattern 20 is tilted from first while to second, or by
Two tilt while to first；Second decorative pattern 22 is tilted from first while to second, or is tilted from second while to first.First
Decorative pattern 20 can be identical with the incline direction of the second decorative pattern 22, also can be different, present embodiment preferably the first decorative pattern 20 and the second flower
The incline direction of line 22 is different.
As shown in Fig. 2, in the frontal plane of projection of vibrating diaphragm, further preferred ring portion 12 is rectangle ring to present embodiment
Shape, it is the second side to define longer straight flange, and shorter straight flange is the first side, the first decorative pattern 20 at each curved corners by
First tilts while to second, and the second decorative pattern 22 at each curved corners is tilted by second while to first, i.e. decorative pattern
Closed angle end stretch to second side in ring portion 12.The rocking vibration of vibrating diaphragm can further be reduced, mitigate polarization, vibrating diaphragm is existed
It is more steady during vibration.
It should be noted that the first decorative pattern 20 at each curved corners can also be tilted from second while to first,
The second decorative pattern 22 at each curved corners can also be tilted from first while to second, and the present embodiment is without limitation.
Embodiment two：
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.
Since the utility model minitype acoustic generator employs the vibrating diaphragm described in embodiment one, so that miscellaneous with that will not produce
The advantages that sound, 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 those of ordinary skill in the art visualize from above-mentioned
Hair, without performing creative labour, a variety of conversion made, all fall within the scope of protection of the utility model.
Claims (10)
1. vibrating diaphragm, including sequentially connected central part, ring portion and fixed part 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 being positioned close on the inside of the ring portion of the central part
At least one the first decorative patterns and at least one the second decorative patterns being positioned close on the outside of the ring portion of the fixed part；
First decorative pattern is extended from the inside edge in the ring portion to the middle part in the ring portion, and second decorative pattern is by institute
The middle part for stating ring portion tilts extension to the outer ledge in the ring portion, and first decorative pattern and second decorative pattern are
Oblique decorative pattern.
2. vibrating diaphragm according to claim 1, it is characterised in that the ring portion includes curved corners and turned by the arc
The first of angle connection while and when second；
First decorative pattern and second decorative pattern are arranged at the curved corners.
3. vibrating diaphragm according to claim 2, it is characterised in that at least one first decorative pattern, each first decorative pattern
Center line is tangential on same circle.
4. vibrating diaphragm according to claim 3, it is characterised in that first decorative pattern is from described first while to described second
Tilt, or tilted from described second while to described first；Second decorative pattern is inclined from described first while to described second
Tiltedly, or from described second tilted while to described first.
5. according to the vibrating diaphragm described in claim 2 to 4 any claim, it is characterised in that in the frontal plane of projection of the vibrating diaphragm
It is interior, the decorative pattern at adjacent two curved corners relative to the ring portion center line symmetrical setting.
6. vibrating diaphragm according to claim 5, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, first decorative pattern
It is linear decorative pattern with second decorative pattern.
7. vibrating diaphragm according to claim 6, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, first decorative pattern
Width close to one end of the inside edge in the ring portion is less than the width of its other end, and second decorative pattern is close to the folding
The width of one end of the outer ledge of ring portion is less than the width of its other end.
8. vibrating diaphragm according to claim 5, it is characterised in that in the orthographic projection plane of the vibrating diaphragm, each described first
Decorative pattern from the inside edge of the curved corners to the curved corners in the middle part of radially distribute, each second decorative pattern by
The outer ledge of the middle part of the curved corners to the curved corners radially distributes.
9. vibrating diaphragm according to claim 2, it is characterised in that in the frontal plane of projection of the vibrating diaphragm, the ring portion is
Square ring, first side are the short side in the ring portion, and second side is the long side in the ring portion.
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 |
|---|---|---|---|
| CN201720835688.4U CN207266276U (en) | 2017-07-11 | 2017-07-11 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720835688.4U CN207266276U (en) | 2017-07-11 | 2017-07-11 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207266276U true CN207266276U (en) | 2018-04-20 |
Family
ID=61926445
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720835688.4U Active CN207266276U (en) | 2017-07-11 | 2017-07-11 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
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| CN (1) | CN207266276U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
-
2017
- 2017-07-11 CN CN201720835688.4U patent/CN207266276U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| 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 |
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