CN207369282U - A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm - Google Patents
A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm Download PDFInfo
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- CN207369282U CN207369282U CN201721424434.XU CN201721424434U CN207369282U CN 207369282 U CN207369282 U CN 207369282U CN 201721424434 U CN201721424434 U CN 201721424434U CN 207369282 U CN207369282 U CN 207369282U
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- vibrating diaphragm
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- voice coil
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- reinforcement
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- 230000002787 reinforcement Effects 0.000 claims abstract description 116
- 125000004122 cyclic group Chemical group 0.000 claims description 7
- 239000003292 glue Substances 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 4
- 230000008901 benefit Effects 0.000 description 8
- 239000000463 material Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 229920003023 plastic Polymers 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
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- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm, and the vibrating diaphragm includes the fixed part fixed with acoustical generator shell, the ring portion being wholely set with fixed part, central portion in ring portion and is combined fixed reinforcement part with the central portion；The reinforcement part includes the first reinforcement part and the second reinforcement part；Include some bonding holes on the central portion.Diaphragm structure provided by the utility model combines fixed bonding plane with central portion surface in reinforcement part and is provided with Nian Jie hole, add vibrating diaphragm and combined bonding region with reinforcement part, and the second reinforcement part is set between voice coil loudspeaker voice coil and vibrating diaphragm, it is more firm that second reinforcement part makes vibrating diaphragm be combined with voice coil loudspeaker voice coil, especially strengthen the bond strength between voice coil loudspeaker voice coil outer ledge and vibrating diaphragm, so that the acoustical generator including the vibrating diaphragm is while can ensure stability of vibration system, prolonged big displacement vibration can be carried out, easy to improve the acoustical behavior of acoustical generator.
Description
Technical field
It the utility model is related to electroacoustic switch technology field.More particularly, to a kind of vibrating diaphragm and including the vibrating diaphragm
Acoustical generator.
Background technology
Acoustical generator is a kind of device that can convert electrical energy into acoustic energy, belongs to most basic phonation unit, extensive use
In the terminal devices such as mobile phone.Acoustical generator generally comprises shell and and the vibrational system being contained in the shell and magnetic circuit system
System, wherein vibrational system include vibrating diaphragm and the voice coil loudspeaker voice coil being incorporated into below vibrating diaphragm.In diaphragm structure, the vibrating diaphragm has generally included
Fixed part, the ring portion for the male female structure being wholely set with fixed part and the central portion in ring portion, in the prior art
In order to increase the rigidity of vibrating diaphragm, the vibration performance of vibrating diaphragm is improved, it will usually combined on the central portion of vibrating diaphragm and be fixed with reinforcement part.
But sound pressure level requires higher and higher when being used with acoustical generator, the vibration displacement requirement to product is also increasing.When voice coil loudspeaker voice coil band
During dynamic diaphragm oscillations, since the bonding force of vibrating diaphragm and reinforcement part is not big enough so that vibrating diaphragm and reinforcement part depart from, can not normal work
Make, influence the acoustical behavior of acoustical generator.And due to material reason, vibrating diaphragm and voice coil loudspeaker voice coil bonding force are small, during voice coil vibrations, vibrating diaphragm holds
Easily depart from voice coil loudspeaker voice coil, more influence the acoustical behavior of acoustical generator.
Accordingly, it is desirable to provide a kind of new diaphragm structure, the defects of to overcome present in the above-mentioned prior art.
Utility model content
One purpose of the utility model is to be to provide a kind of vibrating diaphragm, to solve vibrating diaphragm and benefit in acoustical generator vibrating diaphragm product
The problem of strong portion, vibrating diaphragm insecure caused vibrating diaphragm Nian Jie with voice coil loudspeaker voice coil easily depart from reinforcement part or voice coil loudspeaker voice coil.
Another purpose of the utility model is to be to provide a kind of acoustical generator for including above-mentioned vibrating diaphragm.
One of above-mentioned to achieve the purpose that, the utility model uses following technical proposals：
One side according to the present utility model, the utility model provide a kind of vibrating diaphragm, and the vibrating diaphragm includes and acoustical generator
The fixed part that shell is fixed, the ring portion being wholely set with fixed part, central portion in ring portion and with the center
Portion combines fixed reinforcement part；The reinforcement part include combined with central portion upper surface the first fixed reinforcement part and with it is described
Central lower surface combines the second fixed reinforcement part, and second reinforcement part is used to be connected with voice coil loudspeaker voice coil；Wrapped on the central portion
Some one end are included and have been through to the first reinforcement lower surface, the other end is through to the bonding of second reinforcement part upper surface
Hole, includes glue in the bonding hole.
Preferably, some bonding holes are circumferentially uniformly arranged on the central portion along the reinforcement part.
Preferably, second reinforcement part is continuous cyclic structure.
Preferably, the central hollow out of the central portion, first reinforcement part are the solid sheet for covering the central hollow out
Shape structure, hollow out edge are located at the inner side of the second reinforcement part inside edge, or hollow out edge and the second reinforcement part inside edge
Alignment.
Preferably, first reinforcement part is continuous cyclic structure.
Preferably, the central hollow out of the central portion, second reinforcement part are the solid sheet for covering the central hollow out
Shape structure, hollow out edge are located at the inner side of the first reinforcement part inside edge, or hollow out edge and the first reinforcement part inside edge
Alignment.
Preferably, on the direction of the vertical central portion, the bonding hole be located at after vibrating diaphragm combined fixation with voice coil loudspeaker voice coil, sound
Enclose in the regional extent limited with vibrating diaphragm combination stationary plane.
Preferably, second reinforcement part is PET sheet, PEN pieces or LCP pieces.
Preferably, the outer ledge of second reinforcement part is located at the inner side or outside at first reinforcement part edge,
Or flush position.
Other side according to the present utility model, the utility model also provide a kind of acoustical generator for including above-mentioned vibrating diaphragm,
The acoustical generator includes vibrational system, and the vibrational system includes vibrating diaphragm as described above and the voice coil loudspeaker voice coil combined with the vibrating diaphragm,
The voice coil loudspeaker voice coil is with reference to being fixed on the second reinforcement lower surface.
The beneficial effects of the utility model are as follows：
Compared with prior art, on the one hand, diaphragm structure provided by the utility model is in central portion and reinforcement part table
Face combines fixed region and is provided with bonding hole, and glue can be accommodated in the bonding hole, and it is Nian Jie with reinforcement part combination to add vibrating diaphragm
Intensity, and the second reinforcement part is provided with the utility model between voice coil loudspeaker voice coil and vibrating diaphragm, the second reinforcement part makes vibrating diaphragm and voice coil loudspeaker voice coil knot
Conjunction is more firm, the bond strength between voice coil loudspeaker voice coil outer ledge and vibrating diaphragm is especially strengthened, so that during voice coil vibrations more
Stablize, prolonged big displacement vibration can be carried out, improve the acoustical behavior of acoustical generator.
On the other hand, the utility model also provides a kind of acoustical generator including the vibrating diaphragm, is provided using the utility model
Diaphragm structure, improve the stability of vibration and acoustical behavior of the acoustical generator, the acoustical generator is continuously run for a long time, institute
Other advantages of acoustical generator are stated, identical relative to the advantage of the prior art with the vibrating diaphragm, details are not described herein.
Brief description of the drawings
Specific embodiment of the present utility model is described in further detail below in conjunction with the accompanying drawings.
Fig. 1 shows the installation diagram of acoustical generator in a kind of embodiment of the utility model.
Fig. 2 shows one of structure bottom view of vibrating diaphragm provided in a kind of embodiment of the utility model.
Fig. 3 shows the two of the structure bottom view of the vibrating diaphragm provided in a kind of embodiment of the utility model.
Fig. 4 shows vibrational system structure diagram in a kind of embodiment of the utility model.
Fig. 5 shows the enlarged diagram of part A in Fig. 4.
Reference numeral：1- vibrating diaphragms, 11- fixed parts, 12- rings portion, 13- central portions, 14- bondings hole, 2- reinforcement parts, 21-
First reinforcement part, the second reinforcement parts of 22-, 3- voice coil loudspeaker voice coils.
Embodiment
In order to illustrate more clearly of the utility model, the utility model is done into one with reference to preferred embodiments and drawings
The explanation of step.Similar component is indicated with identical reference numeral in attached drawing.It will be appreciated by those skilled in the art that below
Specifically described content is illustrative and be not restrictive, and should not limit the scope of protection of the utility model with this.
It should be noted that " first " described in the utility model, " second " be only used for distinguishing one of them and it is wherein another
One；Such as " the first reinforcement part " represents the reinforcement part above vibrating diaphragm shown in Fig. 1, " the second reinforcement part " represents that Fig. 1 shows
The reinforcement part below vibrating diaphragm gone out, in the case of the teaching of the utility model design is not departed from, " first reinforcement part "
" the second reinforcement part " can also be named as " upper reinforcement part ", " lower reinforcement part ", and the utility model repeats no more.
In the prior art in order to increase the rigidity of vibrating diaphragm, the vibration performance of vibrating diaphragm is improved, it will usually in the central portion of vibrating diaphragm
Upper combination is fixed with reinforcement part.But when voice coil loudspeaker voice coil drives diaphragm oscillations, vibrating diaphragm and reinforcement part are easily separated from, and can not be worked normally,
Influence the acoustical behavior of acoustical generator.And due to material reason, vibrating diaphragm and voice coil loudspeaker voice coil bonding force are small, during voice coil vibrations, vibrating diaphragm is easy
Depart from voice coil loudspeaker voice coil, more influence the acoustical behavior of acoustical generator.
The utility model on this basis, in order to be not easily disconnected from vibrating diaphragm and reinforcement part and vibrating diaphragm and voice coil loudspeaker voice coil, carries out
Necessary improvement.Specifically, the utility model combines fixed bonding plane in reinforcement part with central portion surface is provided with Nian Jie hole,
Add vibrating diaphragm and combined bonding region with reinforcement part, make vibrating diaphragm Nian Jie with reinforcement part more firm.Meanwhile between voice coil loudspeaker voice coil and vibrating diaphragm
Second reinforcement part is set, so as to strengthen the bond strength between voice coil loudspeaker voice coil outer ledge and vibrating diaphragm so that during voice coil vibrations more
Stablize, prolonged big displacement vibration can be carried out, improve the acoustical behavior of acoustical generator.
The utility model provides a kind of specific embodiment, with reference to shown in Fig. 1 to Fig. 5, a kind of vibrating diaphragm 1, and the vibrating diaphragm 1
Including the fixed part 11 fixed with acoustical generator shell, the ring portion 12 being wholely set with fixed part 11, in ring portion 12
Central portion 13 and the reinforcement part 2 that fixation is combined with the central portion 13；The reinforcement part 2 includes tying with 13 upper surface of central portion
Close the first fixed reinforcement part 21 and the second reinforcement part 22 of fixation is combined with 13 lower surface of central portion, described second mends
Strong portion 22 is used to be connected with voice coil loudspeaker voice coil 3；Include some one end on the central portion 13 and be through to 21 following table of the first reinforcement part
Face, the other end are through to the bonding hole 14 of 22 upper surface of the second reinforcement part, and during gluing, glue may be housed in those bonding holes
It is interior, voice coil loudspeaker voice coil and the bond area of the first reinforcement part and the second reinforcement part can be increased so that increase voice coil loudspeaker voice coil and the first reinforcement part and
The bond strength of second reinforcement part.More specifically, with reference to shown in Fig. 2, those bonding holes 14 are uniformly set along the reinforcement part 2 is circumferential
Put on the central portion 13, certainly, the cross section 14 for being bonded hole can be circle, ellipse etc., and the utility model does not limit
System.
Further, when being vibrated due to voice coil loudspeaker voice coil 3, the second reinforcement part 22 position stress Nian Jie with voice coil loudspeaker voice coil 3 is maximum, therefore,
Position for being bonded hole 14, it is preferably provided as：On the direction of the vertical central portion 13, the bonding hole 14 is located at vibrating diaphragm
After 1 is combined fixation with voice coil loudspeaker voice coil 3, voice coil loudspeaker voice coil 3 is combined with vibrating diaphragm 1 in the regional extent that stationary plane is limited, the regional extent limited
Refer to as shown in Figure 5, outer side edges edge and region of the inner side edge along corresponding central portion 13 of voice coil loudspeaker voice coil 3, when voice coil loudspeaker voice coil 3 vibrates downwards
When, there is pulling force, bonding hole 14 is located at the knot increased at this in regional extent between 13 and second reinforcement part 22 of central portion
With joint efforts, it is more firm when therefore vibrating voice coil loudspeaker voice coil 3.Meanwhile in order to do not influence it is with voice coil loudspeaker voice coil 3 Nian Jie on the premise of reduce vibrating diaphragm
Weight, it is preferable that second reinforcement part 22 is continuous cyclic structure.Those skilled in that art are it is to be understood that described
The material of one reinforcement part 21 is conventional design in the art, and the material of the utility model preferably the first reinforcement part 21 is public for this area
The metal known, plastics, elastomer, fiber etc., its structure can be individual layer, or multilayer, the utility model not limited to this,
On the premise of the utility model main theme is not departed from, only the material of the first reinforcement part is usually replaced, is still belonged to
In the scope that the utility model limits.And the second reinforcement part 22 is fixed for the combination of voice coil loudspeaker voice coil 3 and vibrating diaphragm 1 and provides intermediate medium, from
And the problem of bonding force is small, and voice coil loudspeaker voice coil 3 is easily separated from vibrating diaphragm 1, is solved when voice coil loudspeaker voice coil 3 and vibrating diaphragm 1 are directly fixed, the second reinforcement part
General to select plastic tab, second reinforcement part 22 is preferably PET sheet, PEN pieces or LCP pieces, and above-mentioned preferred solution makes second
Reinforcement part 22 has the advantages that quality is small, acoustical generator is not reduced the acoustical behavior of the acoustical generator because additionally increasing weight,
And 3 and second reinforcement part of voice coil loudspeaker voice coil, 22 strong bonded can also be made, while the second reinforcement part 22 is in bonding hole 14 and material itself
Under the action of, with 1 bond strength higher of vibrating diaphragm.
In addition, in order to mitigate the weight of the second reinforcement part 22, mode is preferably carried out as one kind, the second reinforcement part 22 is
Continuous cyclic structure.1 central portion 13 of vibrating diaphragm can be tabular, but in order to reduce the weight of vibrating diaphragm 1, vibrate voice coil loudspeaker voice coil 3 sensitive
Spend higher, the central portion 13 of vibrating diaphragm 1 can be correspondingly arranged as central engraved structure, i.e., as shown in figure 4, the center of the central portion 13
Hollow out (the M1 regions in corresponding diagram 3,5).Engraved to cover the solid laminated structure of the central hollow out first reinforcement part 21
Empty edge is located at the inner side of 22 inside edge of the second reinforcement part, or hollow out edge aligns with 22 inside edge of the second reinforcement part.
Above-mentioned preferred embodiment, alleviates the weight of reinforcement part and vibrating diaphragm, improves the sensitivity of voice coil loudspeaker voice coil, makes the acoustical generator with the structure
Acoustical behavior is improved, and when hollow out edge is located at the inner side of 22 inside edge of the second reinforcement part, the second reinforcement part 22
Certain excessive glue space is formed with central portion 13, prevents that glue is spilled in the region of vibrating diaphragm center hollow out during gluing.Need to note
Meaning, in this embodiment, the outer ledge of second reinforcement part 22 can be located at 21 edge of the first reinforcement part
Inner side or outside, the 21 edge flush position of the first reinforcement part can also be located at, above-mentioned be arranged on does not depart from this practicality
The usual setting that should be known for those skilled in the art on the premise of new main body design, the utility model repeat no more.
As a kind of another embodiment of deformation, ground, first reinforcement part 21 are distinguished with a upper embodiment
It can be continuous cyclic structure.Accordingly, the central hollow out of the central portion 13, second reinforcement part 22 is described in covering
The solid laminated structure of central hollow out, hollow out edge are located at the inner side of the first reinforcement part inside edge, or hollow out edge and
One reinforcement part inside edge is alignd, which provides other advantages of diaphragm structure, provided with the above embodiment
Diaphragm structure possessed advantage is identical compared with prior art, details are not described herein for the utility model.
In conclusion compared with prior art, the utility model on central portion 13 by setting bonding hole 14, increase
Bonding bond strength between vibrating diaphragm 1 and reinforcement part, and the second reinforcement part 22 is set between voice coil loudspeaker voice coil 3 and vibrating diaphragm 1, second
It is more firm that reinforcement part 22 makes vibrating diaphragm 1 be combined with voice coil loudspeaker voice coil 3, and the combination especially strengthened between 3 outer ledge of voice coil loudspeaker voice coil and vibrating diaphragm 1 is strong
Degree, so that more stablizing when voice coil loudspeaker voice coil 3 vibrates, can carry out prolonged big displacement vibration, improve the acoustics of acoustical generator
Energy.
In addition, the utility model also provides a kind of embodiment of acoustical generator, specifically as shown in Figure 1, the sounding
Device includes vibrational system, which includes the vibrating diaphragm 1 in the above embodiment and the voice coil loudspeaker voice coil 3 combined with the vibrating diaphragm 1, sound
Circle 3 is with reference to being fixed on 22 lower surface of the second reinforcement part.Using diaphragm structure provided by the utility model, sounding is improved
The stability of vibration and acoustical behavior of device, make the acoustical generator continuously to run for a long time, other advantages of the acoustical generator, with institute
It is identical relative to the advantage of the prior art to state vibrating diaphragm, details are not described herein.
Obviously, above-described embodiment of the utility model is only intended to clearly illustrate the utility model example, and
It is not the restriction to the embodiment of the utility model, for those of ordinary skill in the field, in described above
On the basis of can also make other variations or changes in different ways, all embodiments can not be exhaustive here,
It is every to belong to obvious changes or variations that the technical solution of the utility model is extended out still in the utility model
The row of protection domain.
Claims (10)
1. a kind of vibrating diaphragm, it is characterised in that the vibrating diaphragm includes the fixed part fixed with acoustical generator shell, is integrally set with fixed part
The ring portion put, central portion in ring portion and the reinforcement part that fixation is combined with the central portion；
The reinforcement part include being combined with central portion upper surface the first fixed reinforcement part and with the central lower surface knot
The second fixed reinforcement part is closed, second reinforcement part is used to be connected with voice coil loudspeaker voice coil；
Include some one end on the central portion and be through to the first reinforcement lower surface, the other end is through to described second
The bonding hole of reinforcement part upper surface, includes glue in the bonding hole.
2. a kind of vibrating diaphragm according to claim 1, it is characterised in that some bonding holes are circumferentially uniformly arranged along the reinforcement part
On the central portion.
3. a kind of vibrating diaphragm according to claim 1, it is characterised in that second reinforcement part is continuous cyclic structure.
4. a kind of vibrating diaphragm according to claim 3, it is characterised in that the central hollow out of the central portion, first reinforcement
To cover the solid laminated structure of the central hollow out, hollow out edge is located at the inner side of the second reinforcement part inside edge in portion, or
Align with the second reinforcement part inside edge at hollow out edge.
5. a kind of vibrating diaphragm according to claim 1, it is characterised in that first reinforcement part is continuous cyclic structure.
6. a kind of vibrating diaphragm according to claim 5, it is characterised in that the central hollow out of the central portion, second reinforcement
To cover the solid laminated structure of the central hollow out, hollow out edge is located at the inner side of the first reinforcement part inside edge in portion, or
Align with the first reinforcement part inside edge at hollow out edge.
A kind of 7. vibrating diaphragm according to claim 1, it is characterised in that on the direction of the vertical central portion, the bonding
Hole be located at vibrating diaphragm combined with voice coil loudspeaker voice coil it is fixed after, in the regional extent that voice coil loudspeaker voice coil is limited with vibrating diaphragm combination stationary plane.
8. a kind of vibrating diaphragm according to claim 1, it is characterised in that second reinforcement part is PET sheet, PEN pieces or LCP
Piece.
9. a kind of vibrating diaphragm according to claim 3, it is characterised in that the outer ledge of second reinforcement part is positioned at described the
The inner side of one reinforcement part edge either outside or flush position.
10. a kind of acoustical generator, it is characterised in that the acoustical generator includes vibrational system, and the vibrational system includes right such as will
Ask the vibrating diaphragm described in any one of 1-9 claims and the voice coil loudspeaker voice coil combined with the vibrating diaphragm, the voice coil loudspeaker voice coil is with reference to being fixed on described
Two reinforcement lower surfaces.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424434.XU CN207369282U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721424434.XU CN207369282U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
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| Publication Number | Publication Date |
|---|---|
| CN207369282U true CN207369282U (en) | 2018-05-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721424434.XU Active CN207369282U (en) | 2017-10-31 | 2017-10-31 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
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| CN (1) | CN207369282U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109862494A (en) * | 2019-03-19 | 2019-06-07 | 歌尔股份有限公司 | The vibrational system and microphone device of microphone device |
| CN111083613A (en) * | 2019-12-30 | 2020-04-28 | 歌尔科技有限公司 | A voice coil and a sound-generating device for a sound-generating device |
| WO2020093549A1 (en) * | 2018-11-09 | 2020-05-14 | 歌尔股份有限公司 | Reinforcing portion applied to speaker diaphragm, diaphragm, and speaker |
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
| WO2023173579A1 (en) * | 2022-03-18 | 2023-09-21 | 深圳市韶音科技有限公司 | Vibration assembly and loudspeaker |
-
2017
- 2017-10-31 CN CN201721424434.XU patent/CN207369282U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093549A1 (en) * | 2018-11-09 | 2020-05-14 | 歌尔股份有限公司 | Reinforcing portion applied to speaker diaphragm, diaphragm, and speaker |
| WO2020114055A1 (en) * | 2018-12-07 | 2020-06-11 | 歌尔股份有限公司 | Processing method for sound production apparatus housing, sound production apparatus housing, and module |
| CN109862494A (en) * | 2019-03-19 | 2019-06-07 | 歌尔股份有限公司 | The vibrational system and microphone device of microphone device |
| CN109862494B (en) * | 2019-03-19 | 2021-07-30 | 歌尔股份有限公司 | Vibration system of sounding device and sounding device |
| CN111083613A (en) * | 2019-12-30 | 2020-04-28 | 歌尔科技有限公司 | A voice coil and a sound-generating device for a sound-generating device |
| WO2023173579A1 (en) * | 2022-03-18 | 2023-09-21 | 深圳市韶音科技有限公司 | Vibration assembly and loudspeaker |
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