CN207340182U - Vibrational system and the electro-acoustic element using the vibrational system - Google Patents
Vibrational system and the electro-acoustic element using the vibrational system Download PDFInfo
- Publication number
- CN207340182U CN207340182U CN201721407920.0U CN201721407920U CN207340182U CN 207340182 U CN207340182 U CN 207340182U CN 201721407920 U CN201721407920 U CN 201721407920U CN 207340182 U CN207340182 U CN 207340182U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- vibrational system
- main part
- top dome
- electro
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of vibrational system and the electro-acoustic element using the vibrational system, the vibrational system includes vibrating diaphragm, voice coil loudspeaker voice coil and top dome, the voice coil loudspeaker voice coil is glued at the lower surface of the vibrating diaphragm, the vibrating diaphragm includes the main part positioned at center, it surround the ring portion of main part setting and is surrounded on the peripheral edge flat part in the ring portion, the back side of the top dome is attached at the center of the main part by adhesive-layer, the area of the top dome is less than the area of the main part, the main part is equipped with some spaced reinforcing ribs, and the reinforcing rib is located at least side of the top dome.The utility model on main part by setting some spaced reinforcing ribs, and reinforcing rib is located at the both sides of top dome, reduces the dosage of top dome, so as to alleviate the weight of whole vibrational system, and can widen frequency band, lifts the medium, high frequency sensitivity of product.
Description
Technical field
Acoustic equipment technical field is the utility model is related to, more particularly to a kind of vibrational system and uses the vibrational system
Electro-acoustic element.
Background technology
In recent years, as the mobile terminal equipment staging such as mobile phone, tablet computer frequency is accelerated, user is to applied to shifting
The requirement of the electroacoustic performance of electro-acoustic element on dynamic terminal device also accordingly improves.It is gradual with electro-acoustic element power at this stage
Lifting, will certainly put forward higher requirements the reliability of electro-acoustic element, performance is good, and the high product of reliability surely wins consumption
The favor of person.
Receiver is common electro-acoustic element in mobile terminal device, its be it is a kind of in voiceless sound leakage (or by ITU standards
The high/low suction ring of 3.2 types) under the conditions of audio electrical signal is converted into the electro-acoustic element of voice signal, be widely used in mobile electricity
In the communication terminal devices such as words, fixed-line telephone and hearing aid, realize that audio (voice, music) is reset.
Vibrational system is to form the important component of receiver, the complex method of vibrational system in receiver traditional at present
For：After basic unit is completed in one whole film compacting, in the compound of one other stronger membrane pressure of rigidity of basic unit's top dome position fitting
Top dome, therefore the conventional composite film its top dome is formed by stacking by two membranes, can be improved top dome rigidity, be widened the frequency band of loudspeaker,
But this also causes the weight of whole vibrational system larger, make the medium, high frequency sensitivity of receiver have certain reduction.
Utility model content
In view of above-mentioned condition, it is necessary to a kind of vibrational system and the electro-acoustic element using the vibrational system are provided, solve to shake
Dynamic system weight is larger, the problem of influencing receiver medium, high frequency sensitivity.
The one side of the utility model provides a kind of vibrational system, including vibrating diaphragm, voice coil loudspeaker voice coil and top dome, the voice coil loudspeaker voice coil are glued at
The lower surface of the vibrating diaphragm, the vibrating diaphragm include the main part positioned at center, around the ring portion that the main part is set
And the peripheral edge flat part in the ring portion is surrounded on, the back side of the top dome is attached at the main part by adhesive-layer
Center, the area of the top dome is less than the area of the main part, and the main part is equipped with some spaced
Reinforcing rib, and the reinforcing rib is located at least side of the top dome.
In above-mentioned vibrational system, vibrating diaphragm includes being located at main part, ring portion and edge flat part, by being set on main part
Some spaced reinforcing ribs are put, and reinforcing rib is located at the both sides of top dome, reduces the dosage of top dome, so as to alleviate whole
The weight of vibrational system, is shown by actual sensitivity test experiment, by the matching design of reinforcing rib, makes the vibrational system
While integral rigidity is ensured, frequency band has been widened, has improved the medium, high frequency sensitivity of product.
In addition, the utility model proposes vibrational system, can also have technical characteristic additional as follows：
Further, the main part is concordant with the edge flat part, and the ring portion is the main part and described
The groove being formed down between edge flat part.
Further, the distance between adjacent described reinforcing rib is equal, and the distance between adjacent described reinforcing rib is
First distance, the distance between the reinforcing rib nearest from the top dome and the top dome are second distance, described first away from
From less than the second distance.
Further, the reinforcing rib is rectangle or triangle.
Further, several described reinforcing ribs are symmetricly set on the both sides of the top dome.
Further, the height of the top dome is equal to the height of the reinforcing rib.
The another aspect of the utility model provides a kind of electro-acoustic element, including above-mentioned vibrational system.
In addition, the utility model proposes electro-acoustic element, can also have technical characteristic additional as follows：
Further, the electro-acoustic element further includes magnetic circuit system, and the magnetic circuit system includes magnetic cup, positioned at the magnetic cup
On magnet steel and the pole plate on the magnet steel, the magnetic gap formed between the magnet steel and the magnetic cup, the voice coil loudspeaker voice coil insert
Enter in the magnetic gap, when the voice coil loudspeaker voice coil is passed through AC signal, the voice coil loudspeaker voice coil in by the magnetic gap magnetic fields influenced
Vibration is produced, so as to drive the vibrating diaphragm to vibrate together.
Further, the electro-acoustic element further includes stent and protecgulum, and the vibrational system and the magnetic circuit system house
In the stent, the protecgulum is fixed on the bracket.
Further, the electro-acoustic element is receiver.
Brief description of the drawings
Fig. 1 is the positive structure schematic for the vibrational system that the utility model first embodiment provides；
Fig. 2 is the cut away view for prolonging A-A directions in Fig. 1；
Fig. 3 is the enlarged drawing of Fig. 1 centre circles II；
Fig. 4 is the configuration schematic diagram for the electro-acoustic element that the utility model second embodiment provides；
Fig. 5 is that the sensitivity of electro-acoustic element and electro-acoustic element in the prior art that the utility model second embodiment provides is surveyed
Test result comparison diagram.
Embodiment
To enable the above-mentioned purpose of the utility model, feature and advantage more obvious understandable, below in conjunction with the accompanying drawings to this
The embodiment of utility model is described in detail.Some embodiments of the utility model are given in attached drawing.But this
Utility model can be realized in many different forms, however it is not limited to embodiment described herein.On the contrary, provide these
The purpose of embodiment is the disclosure more thorough and comprehensive made to the utility model.
It should be noted that when element is referred to as " being fixedly arranged on " another element, it can be directly on another element
Or there may also be element placed in the middle.When an element is considered as " connection " another element, it can be directly connected to
To another element or it may be simultaneously present centering elements.Term as used herein " vertical ", " horizontal ", " left side ",
" right side ", " on ", " under " and similar statement is for illustrative purposes only, rather than instruction or the device or member that imply meaning
Part must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that limitation to the utility model.
In the utility model, unless otherwise clearly defined and limited, term " installation ", " connected ", " connection ", " Gu
It is fixed " etc. term should be interpreted broadly, for example, it may be being fixedly connected or being detachably connected, or be integrally connected；Can
To be mechanical connection or be electrically connected；It can be directly connected, can also be indirectly connected by intermediary, Ke Yishi
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood as the case may be
Concrete meaning in the utility model.Term as used herein " and/or " include one or more relevant Listed Items
Arbitrary and all combination.
The vibrational system 100 provided to Fig. 3, the utility model first embodiment, including vibrating diaphragm 101, voice coil loudspeaker voice coil are be provided
102 and top dome 103.
The voice coil loudspeaker voice coil 102 is glued at the lower surface of the vibrating diaphragm 101, is specifically located at the central position of 101 lower surface of vibrating diaphragm
Place is put, the vibrating diaphragm 101 includes the main part 1011 positioned at center, around the ring portion that the main part 1011 is set
1012 and it is surrounded on the peripheral edge flat part 1013 in the ring portion 1012.Specifically in the present embodiment, the main part
1011 is concordant with the edge flat part 1013, and the ring portion 1012 is the main part 1011 and the edge flat part
The groove being formed down between 1013.
The back side of the top dome 103 is attached at the center of the main part 1011 by adhesive-layer (not shown), and
The area of the top dome 103 is less than the area of the main part 1011.
The main part 1011 is equipped with some spaced reinforcing ribs 104, which can raise up,
It is downwardly convex or raised to side face, do not limit herein.And the reinforcing rib 104 is located at least the one of the top dome 103
Side.When it is implemented, the reinforcing rib 104 is located at both sides or the surrounding of top dome 103.It is pointed out that raise up here
Refer to that the direction of vibrating diaphragm 101 towards top dome 103 convexes to form reinforcing rib 104.The reinforcing rib 104 can be rectangle or triangle
Or other shapes, do not limit herein.In the present embodiment, several described reinforcing ribs 104 are symmetricly set on the top dome 103
Both sides.And the height of the top dome 103 is equal to the height of the reinforcing rib 104, to ensure the symmetry of vibrational system 100,
Ensure stable performance.
In the present embodiment, the distance between adjacent described reinforcing rib 104 is equal, between the adjacent reinforcing rib 104
Distance be the first distance L1, the distance between the reinforcing rib 104 nearest from the top dome 103 and described top dome 103 are
Second distance L2, the first distance L1 are less than the second distance L2, top dome 103 can be further reduced by the setting
Dosage.
In above-mentioned vibrational system 100, vibrating diaphragm 101 includes being located at main part 1011, ring portion 1012 and edge flat part
1013, by setting some spaced reinforcing ribs 104 on main part 1011, and reinforcing rib 104 is located at the two of top dome 103
Side, reduces the dosage of top dome 103, so as to alleviate the weight of whole vibrational system 100, is set by the cooperation of reinforcing rib 104
Meter, makes the vibrational system 100 widen frequency band while integral rigidity is ensured, improve the medium, high frequency sensitivity of product.
Please refer to Fig.4, the electro-acoustic element that the utility model second embodiment provides, including stent 10, it is contained in the branch
Vibrational system 100, magnetic circuit system 200 in frame 10, and it is fixed on the protecgulum 300 of 10 side of stent.When to electro-acoustic element
When being passed through AC signal, whole vibrational system 100 is vibrated under the driving of magnetic circuit system 200.Wherein, vibrational system 100 with
Vibrational system 100 in first embodiment is identical, and it will not be described here.
Annularly lid is connected to the edge of the stent 10 to the protecgulum 40, and is combined with the upper surface of vibrating diaphragm 101.
The magnetic circuit system 200 includes magnetic cup 201, the magnet steel 202 on the magnetic cup 201 and positioned at the magnet steel
Pole plate 203 on 202, the magnetic gap 204 formed between the magnet steel 202 and the magnetic cup 201, the voice coil loudspeaker voice coil 102 are inserted into institute
State in magnetic gap 204, when the voice coil loudspeaker voice coil 102 is passed through AC signal, the voice coil loudspeaker voice coil 102 is made in magnetic field in by the magnetic gap 204
Influence produces vibration, so as to drive the vibrating diaphragm 101 to vibrate together.
Electro-acoustic element in the present embodiment is, for example, receiver.
Since the electro-acoustic element employs above-mentioned vibrational system 100, wherein, vibrating diaphragm 101 is included positioned at main part 1011, folding
Ring portion 1012 and edge flat part 1013, by setting some spaced reinforcing ribs 104 on main part 1011, and strengthen
Muscle 104 is located at the both sides of top dome 103, reduces the dosage of top dome 103, so as to alleviate the weight of whole vibrational system 100.
In addition, referring to Fig. 5, the effect of sensitivity is lifted in order to illustrate the electro-acoustic element, by zund-Burguet apparatus in the present embodiment
Part and the contrast that sensitivity test experiment is carried out using the electro-acoustic element of traditional vibrational system, in Fig. 5, what solid line represented is this
The data image that the electro-acoustic element that embodiment proposes is surveyed, what dotted line represented is the data image that traditional electro-acoustic element is surveyed,
It can be seen from the figure that the sensitivity higher of electro-acoustic element in the present embodiment in medium, high frequency, properties of product are more preferable.This explanation
By the matching design of reinforcing rib 104, the vibrational system 100 is set to have widened frequency band while integral rigidity is ensured, improve
The medium, high frequency sensitivity of product.
Embodiment described above only expresses the several embodiments of the utility model, its description is more specific and detailed,
But it should not be interpreted as limiting the scope of the present invention.It should be pointed out that for the common of this area
For technical staff, without departing from the concept of the premise utility, various modifications and improvements can be made, these all belong to
In the scope of protection of the utility model.Therefore, the protection domain of the utility model patent should be determined by the appended claims.
Claims (10)
1. a kind of vibrational system, including vibrating diaphragm, voice coil loudspeaker voice coil and top dome, it is characterised in that the voice coil loudspeaker voice coil is glued under the vibrating diaphragm
Surface, the vibrating diaphragm include the main part positioned at center, the ring portion for surrounding main part setting and are surrounded on described
The peripheral edge flat part in ring portion, the back side of the top dome are attached at the center of the main part by adhesive-layer,
The area of the top dome is less than the area of the main part, and the main part is equipped with some spaced reinforcing ribs, and institute
State at least side that reinforcing rib is located at the top dome.
2. vibrational system according to claim 1, it is characterised in that the main part is concordant with the edge flat part,
The groove that the ring portion is formed down between the main part and the edge flat part.
3. vibrational system according to claim 1, it is characterised in that the distance between adjacent described reinforcing rib is equal,
The distance between adjacent described reinforcing rib is the first distance, between the reinforcing rib nearest from the top dome and the top dome
Distance be second distance, it is described first distance be less than the second distance.
4. vibrational system according to claim 1, it is characterised in that the reinforcing rib is rectangle or triangle.
5. vibrational system according to claim 1, it is characterised in that several described reinforcing ribs are symmetricly set on the ball
The both sides on top.
6. vibrational system according to claim 1, it is characterised in that the height of the top dome is equal to the height of the reinforcing rib
Degree.
7. a kind of electro-acoustic element, it is characterised in that including the vibrational system described in claim 1 to 6 any one.
8. electro-acoustic element according to claim 7, it is characterised in that the electro-acoustic element further includes magnetic circuit system, described
Magnetic circuit system includes magnetic cup, the magnet steel on the magnetic cup and the pole plate on the magnet steel, the magnet steel and the magnetic
The magnetic gap formed between cup, the voice coil loudspeaker voice coil is inserted into the magnetic gap, when the voice coil loudspeaker voice coil is passed through AC signal, the voice coil loudspeaker voice coil
Magnetic fields are influenced to produce vibration in by the magnetic gap, so as to drive the vibrating diaphragm to vibrate together.
9. electro-acoustic element according to claim 8, it is characterised in that the electro-acoustic element further includes stent and protecgulum, institute
State vibrational system and the magnetic circuit system is housed in the stent, the protecgulum is fixed on the bracket.
10. electro-acoustic element according to claim 7, it is characterised in that the electro-acoustic element is receiver.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407920.0U CN207340182U (en) | 2017-10-26 | 2017-10-26 | Vibrational system and the electro-acoustic element using the vibrational system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721407920.0U CN207340182U (en) | 2017-10-26 | 2017-10-26 | Vibrational system and the electro-acoustic element using the vibrational system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207340182U true CN207340182U (en) | 2018-05-08 |
Family
ID=62363926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721407920.0U Active CN207340182U (en) | 2017-10-26 | 2017-10-26 | Vibrational system and the electro-acoustic element using the vibrational system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207340182U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021253553A1 (en) * | 2020-06-18 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Sound production device |
-
2017
- 2017-10-26 CN CN201721407920.0U patent/CN207340182U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111131977A (en) * | 2020-03-05 | 2020-05-08 | 瑞声科技(新加坡)有限公司 | Loudspeaker |
| WO2021253553A1 (en) * | 2020-06-18 | 2021-12-23 | 瑞声声学科技(深圳)有限公司 | Sound production device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206923033U (en) | Loudspeaker and electronic equipment | |
| US9936302B2 (en) | Miniature sounder | |
| US10009675B2 (en) | Miniature sounder | |
| CN207835793U (en) | A kind of Double-vibrating-diaspeaker speaker | |
| CN101984678B (en) | Acoustical generator | |
| CN201839427U (en) | Loudspeaker | |
| CN111641906B (en) | Sound production device | |
| CN202004956U (en) | Acoustic generator | |
| CN209390307U (en) | Sound film and the loudspeaker for using the sound film | |
| CN208638573U (en) | A kind of vibrating diaphragm and the loudspeaker with the vibrating diaphragm | |
| CN208353599U (en) | Vibrating diaphragm and loudspeaker | |
| CN208638572U (en) | A kind of vibrating diaphragm and the loudspeaker with the vibrating diaphragm | |
| CN207340182U (en) | Vibrational system and the electro-acoustic element using the vibrational system | |
| CN210781329U (en) | Loudspeaker box | |
| CN208590113U (en) | Mini-sound device | |
| US10827278B2 (en) | Speaker | |
| US10779087B2 (en) | Vibration diaphragm | |
| CN207573627U (en) | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm | |
| CN202514066U (en) | Multifunctional mini-size loudspeaker | |
| US9363604B2 (en) | Speaker box | |
| CN204442656U (en) | A kind of vibrating diaphragm with concave-convex type reinforcement | |
| CN206575592U (en) | Magnetic circuit system and the electro-acoustic element using the magnetic circuit system | |
| CN102273231A (en) | Multifunctional microspeaker | |
| CN207603869U (en) | A kind of receiver | |
| CN206894891U (en) | Receiver |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |