CN207443118U - 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
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- CN207443118U CN207443118U CN201720714214.4U CN201720714214U CN207443118U CN 207443118 U CN207443118 U CN 207443118U CN 201720714214 U CN201720714214 U CN 201720714214U CN 207443118 U CN207443118 U CN 207443118U
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- decorative pattern
- vibrating diaphragm
- projection
- frontal plane
- decorative
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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 in the ring portion, in the frontal plane of projection of the vibrating diaphragm, the 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 of the central part and is positioned close on the outside of the ring of the fixed part, first decorative pattern and second decorative pattern radially distribute, and are crescent decorative pattern.The diaphragm oscillations of the utility model vibrating diaphragm and minitype acoustic generator equipped 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
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 combined vibrating diaphragm and voice coil, vibrating diaphragm includes the central part, ring portion and the fixed part that combine successively from inside to outside, shakes
Film is the important component of minitype acoustic generator, has vital effect to the sound reproduction performance of minitype acoustic generator, 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 extended to by the one side edge in ring portion it is another
Lateral edges, the vibrating diaphragm of such structure can generate following defect in vibration：
First, vibrating diaphragm is present with rocking vibration when big displacement is vibrated, and vibration is unstable, tends to have noise appearance；
2nd, vibrating diaphragm is pliable relatively low, and the sensitivity for causing 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, can improve miniature hair
The reliability and sound quality of sound device.
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 generate 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 sequentially connected central part from inside to outside, ring portion and fixed part, is 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 on the inside of the ring of the central part extremely
Few first decorative pattern and at least one the second decorative patterns being positioned close on the outside of the ring of the fixed part, first decorative pattern
And second decorative pattern radially distributes, and be crescent decorative pattern.
Wherein, the curved corners punishment in the ring portion is furnished with first decorative pattern and second decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern and second decorative pattern are both with respect to the arc
The inside edge at shape turning and the midpoint line of outer ledge are symmetrical.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern positioned at the midpoint line both sides is to close
The direction protrusion of the midpoint line is raised to the direction away from the midpoint line；Second decorative pattern is in described
The direction protrusion of point line is raised to the direction away from the midpoint line.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the center position on the inside of the curved corners is equipped with the 3rd
Decorative pattern, the 3rd decorative pattern are linear decorative pattern, and the 3rd decorative pattern is extended from the central part to the fixed part；Described
One decorative pattern is distributed in the both sides of the 3rd decorative pattern, and is symmetric.
Wherein, in the frontal plane of projection of the vibrating diaphragm, first decorative pattern positioned at the 3rd decorative pattern both sides is to remote
Direction protrusion from the 3rd decorative pattern.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the midpoint line on the outside of the curved corners is equipped with
4th decorative pattern, the 4th decorative pattern are linear decorative pattern, and the 4th decorative pattern is extended from the fixed part to the central part；Institute
It states the second decorative pattern and is distributed in the 4th decorative pattern both sides, and be symmetric.
Wherein, in the frontal plane of projection of the vibrating diaphragm, positioned at first decorative pattern of the midpoint line both sides and described
Second decorative pattern is to close to the direction of midpoint line protrusion.
Wherein, in the frontal plane of projection of the vibrating diaphragm, the linear decorative pattern is close to edge one end of the curved corners
Width be less than its other end width.
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, the vibrational system includes combined shake
Film and 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 the ring portion of the utility model vibrating diaphragm includes curved corners, decorative pattern is distributed on curved corners, in vibrating diaphragm
In frontal plane of projection, decorative pattern includes being arranged close at least one the first decorative patterns on the inside of the ring of central part and is positioned close to fix
At least one the second decorative patterns on the outside of the ring in portion, the first decorative pattern and the second decorative pattern radially distribute, and are crescent
Decorative pattern.Such two rows crescent decorative pattern has the following advantages that compared with the vibrating diaphragm of single linear decorative pattern of the prior art：
First, vibrating diaphragm rocking vibration in big displacement can effectively be inhibited so that vibrating diaphragm is more steady in vibration, will not
Generate noise；
2nd, the pliable of vibrating diaphragm can be increased, it is more highly sensitive to may be such that minitype acoustic generator obtains, there is more preferably 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 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 as to generate noise, high sensitivity is high
Subharmonic distortion is small, and sound quality is high, and reliability surplus is big.
It shakes 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 as to the high sensitivity of minitype acoustic generator, distortion
Small, sound quality is high, and reliability surplus is big.
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 structure diagram 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 structure diagram of the utility model vibrating diaphragm embodiment two；
In figure：10th, fixed part, 12, ring portion, 14, central part, 20a, the first decorative pattern, 20b, the first decorative pattern, 22a, second
Decorative pattern, 22b, the second decorative pattern, the 24, the 3rd decorative pattern, the 26, the 4th decorative pattern.
Specific embodiment
With reference to the accompanying drawings and examples, the utility model is expanded on further.
Embodiment one：
If Fig. 1 and Fig. 2 are jointly shown, a kind of vibrating diaphragm, including being sequentially connected the central part 14, the ring that are integrated 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
Item the first decorative pattern 20a and at least one the second decorative pattern 22a being positioned close on the outside of the ring of fixed part 10.First decorative pattern 20a
Radially distributed from the middle part in inward flange to the ring portion 12 in ring portion 12, the second decorative pattern 22a by ring portion 12 outer edge
It radially distributes to the middle part in ring portion 12, and the first decorative pattern 20a and the second decorative pattern 22a are non-interference, i.e., each first decorative pattern
There is no Chong Die between 20a and each second decorative pattern 22a.
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.
If Fig. 1 and Fig. 2 are jointly shown, the first decorative pattern 20a and the second decorative pattern 22a can be the protrusion directions with ring portion 12
Opposite recessed decorative pattern or the convex decorative pattern identical with the protrusion direction in ring portion 12, the utility model is without limitation.
If Fig. 1 and Fig. 2 are jointly shown, preferred vibrating diaphragm is square structure in present embodiment, and corresponding ring portion 12 is side
Loop configuration, curved corners are equipped with everywhere altogether, and the first decorative pattern 20a and the second decorative pattern 22a are arranged at curved corners, and are set
Pattern structure on curved corners everywhere is identical.
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 when vibrating diaphragm is the structure of 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, present embodiment preferably each first decorative pattern 20a and each second decorative pattern
22a is symmetrical both with respect to the line between the midpoint of the inside edge of curved corners and the midpoint of outer ledge, i.e., opposite
It is symmetrical in the midpoint line of the inside edge of curved corners and outer ledge.First decorative pattern 20a and the second decorative pattern 22a are
Crescent decorative pattern is the narrow arc decorative pattern in intermediate wide both ends.The first decorative pattern 20a positioned at midpoint line both sides is somebody's turn to do to separate
The direction protrusion of midpoint line, the second decorative pattern 22a positioned at midpoint line both sides is to close to the direction of midpoint line protrusion.
In diaphragm oscillations, fold can from narrow to wide, then be carried out to narrow by width at the decorative pattern of crescent decorative pattern for the design of such decorative pattern
It crosses, so as to effectively reduce Non-Linear Vibration so that more steady during diaphragm oscillations, can improve minitype acoustic generator can
By property and sound quality.
It should be noted that the protrusion direction of the first decorative pattern and the second decorative pattern is not limited to setting on the contrary in present embodiment
Meter can also select identical design or other different designs, for example, the first decorative pattern and the second decorative pattern in practical applications
To close to the direction of midpoint line protrusion either to the direction protrusion away from midpoint line or the second decorative pattern to separate
The direction protrusion of midpoint line, for the first decorative pattern to direction protrusion close to midpoint line etc., the present embodiment is without limitation.
It should be noted that the item number present embodiment of the first decorative pattern 20a and the second decorative pattern 22a is not limited, designer
Member can design according to the structure and required properties of product in ring portion 12, and the quantity of the two can be identical, also can be different, this practicality
The inside and outside both sides that new utility model is characterized by curved corners are respectively arranged with non-interference crescent decorative pattern, and
The item number of each decorative pattern is not lain in, is such as only the difference on item number, then also fall within the scope of protection of the utility model.
As shown in Fig. 2, the 3rd decorative pattern 24 is further provided in the centre position of each first decorative pattern 20a, i.e., the 3rd flower
Line 24 is arranged on the center position on the inside of curved corners.3rd decorative pattern 24 is linear decorative pattern, and the 3rd decorative pattern 24 is by central part
14 extend to fixed part 10, and extend to the middle part of curved corners, and the 3rd decorative pattern 24 is equivalent to the center of each first decorative pattern 20a,
The first decorative pattern 20a positioned at 24 both sides of the 3rd decorative pattern is symmetrical compared with the 3rd decorative pattern 24, and the 3rd is located in present embodiment
First decorative pattern 20a of 24 both sides of decorative pattern to the direction protrusion away from the 3rd decorative pattern 24, is now placed in 24 extended line of the 3rd decorative pattern
The second decorative pattern 22a of (i.e. midpoint line) both sides is to close to the direction of 24 extended line of the 3rd decorative pattern protrusion.
Further, width of the 3rd decorative pattern 24 close to inward flange one end of curved corners is less than the width of its other end,
It is approximately drop shape.The rocking vibration of vibrating diaphragm can further be reduced, mitigate polarization, make vibrating diaphragm more flat in vibration
Surely.
It should be noted that the first decorative pattern 20a positioned at 24 both sides of the 3rd decorative pattern can also be to close to the 3rd decorative pattern 24
Direction protrusion, while the second decorative pattern 22a positioned at 24 extended line of the 3rd decorative pattern (i.e. midpoint line) both sides can be to close the
The direction protrusion of three decorative patterns, 24 extended line, can also be to the direction protrusion away from 24 extended line of the 3rd decorative pattern.The present embodiment is to this
It is not limited.
Embodiment two：
Present embodiment and embodiment one are essentially identical, the difference is that：
If Fig. 3 and Fig. 4 are jointly shown, the first decorative pattern is provided only in the frontal plane of projection of vibrating diaphragm, on the inside of curved corners
20b, the outside of curved corners are equipped with the second decorative pattern 22b and the 4th decorative pattern 26, and the 4th decorative pattern 26 is arranged on each second decorative pattern 22b's
Centre position, i.e. the 4th decorative pattern 26 are arranged on the center position on the outside of curved corners.This 4th decorative pattern 26 is also spent for linear
Line is extended from fixed part 10 to central part 14, and extends to the middle part of curved corners, and the 4th decorative pattern 26 is equivalent to each second decorative pattern
The center of 22b, the second decorative pattern 22b positioned at 26 both sides of the 4th decorative pattern is symmetrical compared with the 4th decorative pattern 26, present embodiment
In be located at 26 both sides of the 4th decorative pattern the second decorative pattern 22b to close to the 4th decorative pattern 26 direction protrusion, be now placed in the 4th flower
The first decorative pattern 20b of 26 extended line of line (i.e. midpoint line) both sides is also to close to the direction of 26 extended line of the 4th decorative pattern protrusion.
Further, width of the 4th shape decorative pattern 26 close to outer edge one end of curved corners is less than the width of its other end
Degree is also approximately at drop shape.The Pattern Design of present embodiment equally can effectively reduce Non-Linear Vibration so that vibrating diaphragm
It is more steady during vibration, the reliability and sound quality of minitype acoustic generator can be improved.
It should be noted that the second decorative pattern 22b positioned at 26 both sides of the 4th decorative pattern can also be to away from the 4th decorative pattern 26
Direction protrusion, while the first decorative pattern 20b positioned at 26 extended line of the 4th decorative pattern (i.e. midpoint line) both sides can be to close the
The direction protrusion of four decorative patterns, 26 extended line, can also be to the direction protrusion away from 26 extended line of the 4th decorative pattern.The present embodiment is to this
It is not limited.
The utility model sets non-interference crescent decorative pattern on the inside and outside both sides in ring portion, effectively raises
The stationarity of diaphragm oscillations adds the pliable of vibrating diaphragm, reduces the generation of fold, improves antifatigue intensity, Neng Goutong
Cross reliability test.
Embodiment three：
A kind of minitype acoustic generator, including vibrational system and magnetic circuit system, vibrational system include combined vibrating diaphragm and
Voice coil, vibrating diaphragm are the vibrating diaphragm described in embodiment one and embodiment two.
Since the utility model minitype acoustic generator employs the vibrating diaphragm described in embodiment one and embodiment two, so as to have
Noise will not be generated, 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 those of ordinary skill in the art visualize from above-mentioned
Hair, without performing creative labour, a variety of conversion made are all fallen within the scope of protection of the utility model.
Claims (10)
1. including sequentially connected central part from inside to outside, ring portion and fixed part, flower is distributed in the ring portion in vibrating diaphragm
Line, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, the decorative pattern includes being positioned close in the ring 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 of the fixed part, described the
One decorative pattern and second decorative pattern radially distribute, and are crescent decorative pattern.
2. vibrating diaphragm according to claim 1, which is characterized in that the curved corners punishment in the ring portion is furnished with described first
Decorative pattern and second decorative pattern.
3. vibrating diaphragm according to claim 2, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, first decorative pattern
It is symmetrical both with respect to the inside edge of the curved corners and the midpoint line of outer ledge with second decorative pattern.
4. vibrating diaphragm according to claim 3, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, positioned at the midpoint
First decorative pattern of line both sides is to close to the direction of midpoint line protrusion or the direction to the separate midpoint line
Protrusion；
Direction protrusion of second decorative pattern to the close midpoint line or the direction protrusion to the separate midpoint line.
5. vibrating diaphragm according to claim 2, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, positioned at the arc
Center position on the inside of turning is equipped with the 3rd decorative pattern, and the 3rd decorative pattern is linear decorative pattern, and the 3rd decorative pattern is by described
Central part extends to the fixed part；First decorative pattern is distributed in the 3rd decorative pattern both sides, and is symmetric.
6. vibrating diaphragm according to claim 5, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, positioned at the described 3rd
First decorative pattern of decorative pattern both sides is to the direction protrusion away from the 3rd decorative pattern.
7. vibrating diaphragm according to claim 3, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, positioned at the arc
Center position on the outside of turning is equipped with the 4th decorative pattern, and the 4th decorative pattern is linear decorative pattern, and the 4th decorative pattern is by described
Fixed part extends to the central part；Second decorative pattern is distributed in the 4th decorative pattern both sides, and is symmetric.
8. vibrating diaphragm according to claim 7, which is characterized in that in the frontal plane of projection of the vibrating diaphragm, positioned at the midpoint
First decorative pattern and second decorative pattern of line both sides are to close to the direction of midpoint line protrusion.
9. according to claim 5 to 8 any one of them vibrating diaphragm, which is characterized in that described in the frontal plane of projection of the vibrating diaphragm
Width of the linear decorative pattern close to edge one end of the curved corners is less than the width of its other end.
10. minitype acoustic generator, including vibrational system and magnetic circuit system, the vibrational system includes combined vibrating diaphragm and sound
Circle, which is characterized 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 |
|---|---|---|---|
| CN201720714214.4U CN207443118U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720714214.4U CN207443118U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207443118U true CN207443118U (en) | 2018-06-01 |
Family
ID=62395048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720714214.4U Withdrawn - After Issue CN207443118U (en) | 2017-06-19 | 2017-06-19 | Vibrating diaphragm and the minitype acoustic generator equipped with the vibrating diaphragm |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207443118U (en) |
-
2017
- 2017-06-19 CN CN201720714214.4U patent/CN207443118U/en not_active Withdrawn - After Issue
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20180601 Effective date of abandoning: 20200703 |
|
| AV01 | Patent right actively abandoned |