CN207573627U - 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
- Publication number
- CN207573627U CN207573627U CN201721844169.0U CN201721844169U CN207573627U CN 207573627 U CN207573627 U CN 207573627U CN 201721844169 U CN201721844169 U CN 201721844169U CN 207573627 U CN207573627 U CN 207573627U
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- China
- Prior art keywords
- vibrating diaphragm
- body part
- voice coil
- acoustical generator
- reinforcing rib
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/02—Details
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
- H04R9/06—Loudspeakers
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Diaphragms For Electromechanical Transducers (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm, the vibrating diaphragm includes and the fixed fixed part of acoustical generator shell, the ring portion being wholely set with fixed part, central portion on the inside of ring portion, and combined fixed reinforcement part with the central portion, the reinforcement part is located at a side surface of the close voice coil of vibrating diaphragm, and the reinforcement part includes the body part with long axis direction；Along the body part long axis direction, the body part is formed with reinforcing rib on a side surface of the central portion.The utility model additionally provides a kind of acoustical generator, and the acoustical generator includes vibrational system, and the vibrational system includes above-mentioned vibrating diaphragm and combined fixed voice coil with the vibrating diaphragm；The voice coil with reference to be fixed on the body part on a side surface of the central portion, and the reinforcing rib is located on the outside of the voice coil.The diaphragm structure of the utility model avoids the problem of acoustical generator diaphagras shifts to an earlier date, and ensure that the vibrating effect of vibrating diaphragm.
Description
Technical field
The utility model is related to electroacoustic switch technology fields.More particularly, to a kind of vibrating diaphragm and including the vibrating diaphragm
Acoustical generator.
Background technology
With the fast development of electronic information technology, more and more microphone devices are applied in each electronic product, especially
It is the mobile communication equipment of widely people's application, and people are not only concerned about that it is miniaturized, is multi-functional, more require its sound effect high
It is quality, undistorted.
Current microphone device include shell and and the vibrational system that is contained in the shell and magnetic circuit system, wherein shaking
Dynamic system includes vibrating diaphragm and the voice coil being incorporated into below vibrating diaphragm.In diaphragm structure, the vibrating diaphragm has generally included fixed part, with
The ring portion for the male female structure that fixed part is wholely set and the central portion in ring portion, in the prior art in order to increase
The rigidity of vibrating diaphragm improves the vibration performance of vibrating diaphragm, it will usually be combined on the central portion of vibrating diaphragm and be fixed with reinforcement part.Reinforcement part
Intensity directly determines the medium-high frequency performance of acoustical generator.In the bigger product of current product, especially length and width, reinforcement part
The weak diaphagras that can lead to acoustical generator of intensity of long axis direction shifts to an earlier date, and seriously affects the sound quality 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 of the utility model is designed to provide a kind of vibrating diaphragm, bigger to solve length and width in acoustical generator vibrating diaphragm product
Vibrating diaphragm it is weaker along the intensity of long axis direction, and then the problem of seriously affect the sound quality of acoustical generator, which can extend
The high frequency of acoustical generator, so that acoustical generator obtains better sound quality.
Another of the utility model is designed to provide a kind of acoustical generator for including above-mentioned vibrating diaphragm.
To reach above-mentioned first purpose, the utility model provides a kind of vibrating diaphragm, the vibrating diaphragm include with outside acoustical generator
The fixed fixed part of shell, the ring portion being wholely set with fixed part, central portion on the inside of ring portion and with the center
Portion combines fixed reinforcement part, and the reinforcement part is located at a side surface of the close voice coil of vibrating diaphragm, and the reinforcement part includes having
The body part of long axis direction；Along the body part long axis direction, the body part on a side surface of the central portion
It is formed with reinforcing rib.
Preferably, the reinforcing rib includes at least the part extended along long axis direction.
Preferably, along the body part long axis direction, the edge at the body part both ends is respectively arranged with reinforcing rib, and
Two reinforcing ribs at the body part edges at two ends are set about the center of body part in mirror symmetry.
Preferably, on long axis direction, the reinforcing rib is set in mirror image.
Preferably, the reinforcing rib is strip structure, decussate texture, X-shaped structure or boss structure.
Preferably, the body part is long and narrow track type structure or long and narrow rectangular configuration.
Preferably, the reinforcement part further includes the ring formed away from a side surface outwardly convex of central portion by body part
Shape engaging portion；
The reinforcing rib is located at the outside of the engaging portion.
Preferably, the reinforcing rib is formed between engaging portion vertical wall outer surface and body part horizontal surface.
To reach above-mentioned second purpose, the utility model additionally provides a kind of acoustical generator, and the acoustical generator includes vibration
System, the vibrational system include above-mentioned vibrating diaphragm and are combined fixed voice coil with the vibrating diaphragm；The voice coil is combined and is fixed on
The body part on a side surface of the central portion, and the reinforcing rib is located on the outside of the voice coil.
Preferably, one end outer surface and the interior side-wall surface of the engaging portion close to the body part of the voice coil
Fitting is fixed.
Preferably, thickness of the voice coil close to the side of the vibrating diaphragm is less than the thickness far from the vibrating diaphragm side.
The beneficial effects of the utility model are as follows：
A purpose according to the present utility model, compared with prior art, diaphragm structure provided by the utility model
Along body part long axis direction, reinforcing rib is provided on a side surface of the central portion in body part, has reached enhancing
The purpose of reinforcement part intensity avoids reinforcement part diaphagras caused by intensity deficiency in vibration processes, so as to improve hair
The acoustical behavior of sound device.In addition, another object according to the present utility model, the utility model also provides a kind of including above-mentioned vibrating diaphragm
The acoustical generator of structure, identical relative to advantage possessed by the prior art with the vibrating diaphragm, details are not described herein.
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 a kind of diaphragm structure schematic diagram of embodiment provided by the utility model.
One of reinforcement part schematic diagram Fig. 2 shows a kind of embodiment provided by the utility model.
Fig. 3 shows the two of the reinforcement part schematic diagram of a kind of embodiment provided by the utility model.
Fig. 4 shows the three of the reinforcement part schematic diagram of a kind of embodiment provided by the utility model.
Fig. 5 shows the four of the reinforcement part schematic diagram of a kind of embodiment provided by the utility model.
Fig. 6 shows the five of the reinforcement part schematic diagram of a kind of embodiment provided by the utility model.
Fig. 7 shows a kind of structure diagram of the acoustical generator of embodiment provided by the utility model.
In attached drawing, 1- central portions, 2- fixed parts, 3- rings portion, 4- voice coils, 5- body parts, 6- reinforcing ribs, 7- engaging portions,
Conductive magnetic yoke, 91- centring magnets, 92- centers magnetic conductive board, the 93- magnetic conductive board in magnet, 94- under 8- shells, 9-.
Specific 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 is weaker along the intensity of long axis direction to solve the vibrating diaphragm that length and width are bigger in existing acoustical generator product, and then serious shadow
The problem of ringing the vocal performance of acoustical generator, the utility model provides a kind of vibrating diaphragm, with reference to shown in Fig. 1~Fig. 6, the vibrating diaphragm
Including fixed part 2 fixed with acoustical generator shell, the ring portion 3 being wholely set with fixed part, the center on the inside of ring portion
Portion 1 and fixed reinforcement part being combined with the central portion, the reinforcement part is located at a side surface of the close voice coil of vibrating diaphragm,
The reinforcement part includes the body part 5 with long axis direction；Along the body part long axis direction, deviating from for the body part is described
Reinforcing rib 6 is formed on one side surface of central portion.The utility model is reached by way of setting reinforcing rib in long axis direction
Enhance the purpose of reinforcement part intensity, avoid reinforcement part diaphagras caused by intensity deficiency in vibration processes, extend
The high frequency of loud speaker obtains better sound quality.In addition, the utility model does not limit the preparation of the reinforcing rib, this
Field technology personnel can use according to actual conditions and integrally pour the methods of being moulded into type.
Further to strengthen intensity of the vibrating diaphragm in long axis direction, the reinforcing rib 6 includes at least what is extended along long axis direction
Part.The utility model does not limit the location and shape of the reinforcing rib 6, and those skilled in the art can be according to reality
Situation is designed.But in the utility model, to keep the stability of acoustical generator entirety, reduce since structure asymmetry causes
Voice coil polarization and vibrating noise problem, the reinforcing rib 6 be located at two short axle avris of the body part 5, and be in mirror symmetry
Setting.In addition, it will be appreciated by persons skilled in the art that voice coil 4 is combined with reinforcement part after fixing, the reinforcing rib 6 should
Positioned at the outside at 4 edge of voice coil, in order to avoid influence to generate unnecessary influence to diaphragm oscillations.
As being further improved for above-mentioned preferred embodiment, along 5 long axis direction of body part, 5 liang of the body part
The edge at end is respectively arranged with reinforcing rib 6, and two reinforcing ribs at 5 edges at two ends of body part are about body part
5 center is set in mirror symmetry, is gone out acoustic mass be further ensured that vibrating diaphragm, is avoided due to voice coil caused by structure asymmetry
Polarization.
In the utility model specific embodiment, the reinforcing rib 6 can be strip structure (such as Fig. 2, Fig. 3 institute
Show), the specific number of reinforcing rib can flexibly be set according to actual demand, for example can set three reinforcing ribs in every side
Deng.It can be decussate texture (as shown in Figure 4), can be X-shaped structure (as shown in Figure 5) or be boss structure (such as Fig. 6
It is shown).The utility model does not limit the length and thickness of the reinforcing rib 6, and those skilled in the art can be according to reality
Border situation is designed.But it will be apparent to a skilled person that when vibrating diaphragm intensity is enough, can suitably it reduce
The length and thickness of the reinforcing rib 6 so as to mitigate the oscillating mass of vibrating diaphragm, can make acoustical generator obtain higher sensitivity.
In addition, the product bigger to be more suitable for length and width, the body part 5 is long and narrow track type structure or long and narrow
Rectangular configuration, so as to further reinforcement long axis direction intensity.
In order on the one hand ensure vibrating diaphragm intensity and not influence diaphragm oscillations effect, voice coil and reinforcement on the other hand can be strengthened
Adhesion strength between portion, as shown in Fig. 2~Fig. 6, the reinforcement part is further included by body part 5 away from the side of central portion 1
The cyclic annular engaging portion 7 that surface outwardly convex is formed；The reinforcing rib 6 is located at the outside of the engaging portion 7；Wherein described cyclic annular knot
Conjunction portion 7 can be used for being combined fixation with the voice coil 5, as shown in fig. 7, so as to increase the bond area between voice coil and reinforcement part,
Enhance bonding force.
As being further improved for above-mentioned preferred embodiment, the reinforcing rib 6 is formed in table on the outside of 7 vertical wall of engaging portion
Between 5 horizontal surface of face and body part, so as to facilitate the preparation of the reinforcing rib.
Fig. 7 shows a kind of acoustical generator structure using diaphragm structure shown in Fig. 1, and the acoustical generator includes shell 8 and is set on
Vibrational system and magnetic circuit system in the shell 8.The vibrational system include as above structure vibrating diaphragm and with the vibrating diaphragm
With reference to voice coil 4.The magnetic circuit system includes lower conductive magnetic yoke 9, and the centring magnet 91 positioned at lower 9 middle position of conductive magnetic yoke is located at
The center magnetic conductive board 92 of 91 top of centring magnet, around the side magnet 93 of the centring magnet 91 and positioned at the side magnet
The side magnetic conductive board 94 of 93 tops；Centring magnet 91 forms the magnetic gap for accommodating the voice coil 4 with side magnet 93.Need what is illustrated
It is that in practical applications, single motor structure, three motor structures or five magnetic circuit systems can be used in the magnetic circuit system
Structure, the utility model do not limit, and acoustical generator and diaphragm structure provided by the utility model are relative to existing skill
Advantage is identical possessed by art, and details are not described herein.
As a kind of embodiment of the utility model, the voice coil 4 with reference to be fixed on the body part 5 away from institute
It states on a side surface of central portion, and the reinforcing rib 6 is located at 4 outside of voice coil,
As the another embodiment of the utility model, the voice coil 4 is with reference to being fixed on deviating from for the body part 5
On one side surface of the central portion；And one end outer surface and the engaging portion of the close body part 5 of the voice coil 4
7 interior side-wall surface fitting is fixed.
It should be noted that 5 surface of body part formed engaging portion 7 be only it is a kind of convenient for ensure voice coil and reinforcement part it
Between adhesion strength be preferably carried out mode, that is to say, that 5 surface of body part can be not provided with engaging portion 7, voice coil 4 can
It is directly anchored on the surface of the body part 5, aforesaid way is equally reached diaphragm structure provided by the utility model
Relative to advantage possessed by the prior art.Preferably a kind of embodiment is that thickness of the voice coil 4 close to the side of vibrating diaphragm is less than
Thickness far from vibrating diaphragm side.
Compared with prior art, the diaphragm structure of the utility model be particularly suitable for length and width it is bigger (such as length-width ratio be 6:
1、8:1 etc.) product enhances the intensity of reinforcement part long axis direction, avoids the problem of acoustical generator diaphagras shifts to an earlier date, and ensures
The vibrating effect of vibrating diaphragm improves the stability and acoustical behavior of acoustical generator.
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 art, in above description
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, the vibrating diaphragm is included with the fixed fixed part of acoustical generator shell, the ring portion being wholely set with fixed part,
Central portion on the inside of ring portion and fixed reinforcement part is combined with the central portion, the reinforcement part is located at vibrating diaphragm
Close to a side surface of voice coil, which is characterized in that
The reinforcement part includes the body part with long axis direction；Along the body part long axis direction, the body part deviates from
Reinforcing rib is formed on one side surface of the central portion.
2. vibrating diaphragm according to claim 1, which is characterized in that the reinforcing rib includes at least the portion extended along long axis direction
Point；On long axis direction, the reinforcing rib is set in mirror image.
3. vibrating diaphragm according to claim 1, which is characterized in that along the body part long axis direction, the body part both ends
Edge be respectively arranged with reinforcing rib, and two reinforcing ribs at the body part edges at two ends are about in body part
The heart is set in mirror symmetry.
4. vibrating diaphragm according to claim 1, which is characterized in that the body part is long and narrow track type structure or long and narrow
Rectangular configuration.
5. vibrating diaphragm according to claim 1, which is characterized in that the reinforcing rib is strip structure, decussate texture, X-shaped
Structure or boss structure.
6. vibrating diaphragm according to claim 1, which is characterized in that the reinforcement part is further included by body part away from central portion
The cyclic annular engaging portion that is formed of a side surface outwardly convex；
The reinforcing rib is located at the outside of the engaging portion.
7. vibrating diaphragm according to claim 6, which is characterized in that the reinforcing rib is formed in engaging portion vertical wall outer surface
Between body part horizontal surface.
8. a kind of acoustical generator, which is characterized in that the acoustical generator includes vibrational system, and the vibrational system includes such as claim
Vibrating diaphragm described in any one of 1-5 claims and combined fixed voice coil with the vibrating diaphragm；The voice coil is with reference to described in being fixed on
Body part on a side surface of the central portion, and the reinforcing rib is located on the outside of the voice coil.
9. a kind of acoustical generator, which is characterized in that the acoustical generator includes vibrational system, and the vibrational system includes such as claim
6 or claim 7 described in vibrating diaphragm and combined fixed voice coil with the vibrating diaphragm；
The voice coil with reference to be fixed on the body part on a side surface of the central portion；
And one end outer surface close to the body part of the voice coil is bonded fixation with the interior side-wall surface of the engaging portion.
10. acoustical generator according to claim 9, which is characterized in that the voice coil is close to the thickness of the side of the vibrating diaphragm
Less than the thickness far from the vibrating diaphragm side.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844169.0U CN207573627U (en) | 2017-12-25 | 2017-12-25 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
| PCT/CN2018/112246 WO2019128440A1 (en) | 2017-12-25 | 2018-10-27 | Diaphragm, and sound generator comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721844169.0U CN207573627U (en) | 2017-12-25 | 2017-12-25 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207573627U true CN207573627U (en) | 2018-07-03 |
Family
ID=62686232
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721844169.0U Active CN207573627U (en) | 2017-12-25 | 2017-12-25 | A kind of vibrating diaphragm and the acoustical generator including the vibrating diaphragm |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN207573627U (en) |
| WO (1) | WO2019128440A1 (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI812007B (en) * | 2022-02-14 | 2023-08-11 | 金大仁 | Planar speakers with improved midrange |
| CN117857990A (en) * | 2024-03-08 | 2024-04-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111163407B (en) * | 2020-01-03 | 2020-12-25 | 厦门东声电子有限公司 | Loudspeaker with positioning piece and assembling method thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201947436U (en) * | 2011-01-05 | 2011-08-24 | 瑞声光电科技(常州)有限公司 | Sounder |
| CN202269008U (en) * | 2011-09-22 | 2012-06-06 | 歌尔声学股份有限公司 | Moving-coil sounder vibrating diaphragm |
| CN202310071U (en) * | 2011-10-12 | 2012-07-04 | 瑞声声学科技(常州)有限公司 | Vibrating diaphragm and acoustic generator applying same |
| CN203708476U (en) * | 2014-01-06 | 2014-07-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN205408145U (en) * | 2016-02-26 | 2016-07-27 | 歌尔声学股份有限公司 | Miniature sounder |
-
2017
- 2017-12-25 CN CN201721844169.0U patent/CN207573627U/en active Active
-
2018
- 2018-10-27 WO PCT/CN2018/112246 patent/WO2019128440A1/en active Application Filing
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| TWI812007B (en) * | 2022-02-14 | 2023-08-11 | 金大仁 | Planar speakers with improved midrange |
| CN117857990A (en) * | 2024-03-08 | 2024-04-09 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
| CN117857990B (en) * | 2024-03-08 | 2024-05-17 | 瑞声光电科技(常州)有限公司 | Loudspeaker |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2019128440A1 (en) | 2019-07-04 |
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