CN109819378A - Sounding device - Google Patents
Sounding device Download PDFInfo
- Publication number
- CN109819378A CN109819378A CN201811649380.6A CN201811649380A CN109819378A CN 109819378 A CN109819378 A CN 109819378A CN 201811649380 A CN201811649380 A CN 201811649380A CN 109819378 A CN109819378 A CN 109819378A
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- China
- Prior art keywords
- roof
- ring
- vibrating diaphragm
- side wall
- thickness
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- 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.)
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Abstract
The present invention provides sounding devices, including frame, vibrational system and magnetic circuit system, vibrational system and this road system are both secured to frame, and magnetic circuit system has magnetic gap, vibrational system includes the vibrating diaphragm for being fixed on frame, magnetic gap is inserted in drive the voice coil of diaphragm oscillations sounding, vibrating diaphragm includes the ring for being fixed on frame, ring includes the protruding portion that a cross section is arcuate structure, protruding portion includes roof, the first side wall extended from one end inside the close ring of roof to magnetic circuit system and the second sidewall extended from one end inside the separate ring of roof to magnetic circuit system, the thickness of second sidewall is greater than the thickness of the first side wall, the thickness of the first side wall is greater than the thickness of roof.Sounding device of the invention can solve vibrating diaphragm in the prior art and amplitude asymmetry occurs, and vibrating diaphragm waves seriously, lead to high bad of quality distortion degree.
Description
[technical field]
The present invention relates to acoustic equipment technical field more particularly to a kind of sounding devices.
[background technique]
In order to adapt to miniaturization, the multifunction development of various stereo sets and information communication device, institute in such equipment
The mini-sound device used is in requisition for more tending to minimize, and the cooperation with mini-sound device periphery other elements
It is more compact, in particular with the lightening growth requirement of smart phone, wherein used mini-sound device, does not require nothing more than small
Type more requires high tone quality and stereophonic effect etc..
Vibrating diaphragm applied by the microphone device of the prior art includes ring and the top dome for being stacked at ring, and ring includes transversal
Face is the protruding portion of arcuate structure, and protruding portion includes roof, extends to magnetic circuit system from the one end of roof inside ring
The first side wall and the second sidewall extended from roof far from one end inside ring to magnetic circuit system.Wherein, the first side wall and
Second sidewall thickness is equal, and therefore, vibrating diaphragm is during vibration, it may appear that amplitude is asymmetric, waves serious, generation sound quality mistake
Really spend high bad problem.
Therefore, it is necessary to provide the new technical solution of one kind to overcome above-mentioned technical problem.
[summary of the invention]
The purpose of the present invention is to provide a kind of sounding devices, it is intended to solve in the prior art that amplitude occur not right for vibrating diaphragm
Claim, waves serious, the high bad problem of quality distortion degree.
Technical scheme is as follows:
The sounding device of the present embodiment include frame and the vibrational system for being individually fixed in the frame and have magnetic between
The magnetic circuit system of gap, vibrational system include the vibrating diaphragm for being fixed on frame, are inserted in magnetic gap to drive the sound of diaphragm oscillations sounding
Circle, vibrating diaphragm include the ring for being fixed on frame, and ring includes the protruding portion that a cross section is arcuate structure, and protruding portion includes top
Wall, the first side wall extended from one end inside the close ring of roof to magnetic circuit system and from inside the separate ring of roof
The second sidewall that extends to magnetic circuit system of one end, the thickness of second sidewall is greater than the thickness of the first side wall, the thickness of the first side wall
Degree is greater than the thickness of roof.
Preferably, the first side wall includes the first connecting portion close to roof, and the first side wall and roof pass through first connecting portion
It is connected smoothly and the thickness of first connecting portion is gradually reduced along the direction of the first side wall to roof, second sidewall includes close
The second connecting portion of roof, second sidewall and roof are connected smoothly by second connecting portion and thickness is along second sidewall to top
The direction of wall is gradually reduced.
Preferably, protruding portion is to far from magnetic circuit system direction bending protrusion.
Preferably, ring further include the first fixed part extended from protruding portion to ring inner horizontal and from protruding portion to
Far from horizontal-extending second fixed part of ring, vibrating diaphragm further includes the top dome for being stacked at ring.
Preferably, ring is hollow structure, and top dome covering hollow structure is simultaneously fixedly connected with the first fixed part.
Preferably, vibrating diaphragm is silica gel, rubber, polyether-ether-ketone, the macromolecules such as thermoplastic polyurethane elastomer rubber, silicon rubber
Material.
Preferably, magnetic circuit system includes magnetic yoke, the main magnet steel for being fixed on magnetic yoke and is respectively separated and is set to main magnet steel phase
The secondary magnet steel of magnetic gap is formed to two sides and with main magnet steel.
Preferably, secondary magnet steel includes two, and magnetic circuit system further includes being stacked at the main pole core of main magnet steel and being embedded at basin
The upper clamp plate of frame, upper clamp plate include being fixed on the fixed ring annular in shape of frame and being extended respectively to two secondary magnet steel from fixed ring
Consequent pole core, consequent pole core is stacked at two secondary magnet steel respectively.
Preferably, vibrational system further includes elastic supporting member for supporting optical member, and elastic supporting member for supporting optical member includes the connector for being fixedly connected on frame
Section, be fixedly connected on voice coil away from vibrating diaphragm one end supporting section and connection connection head section and supporting section elasticity accept section.
The beneficial effects of the present invention are:
During the sounding device runs and occurs, voice coil is under variable-current and the collective effect of magnetic circuit system
Diaphragm oscillations are driven, to make the air vibration and sounding near vibrating diaphragm, during diaphragm oscillations, by will be in vibrating diaphragm
The first side wall, second sidewall and roof three are arranged to different thickness, and the thickness of second sidewall is greater than the first side wall
Thickness, the thickness of the first side wall are greater than the thickness of roof.Such setting can adjust diaphragm structure intensity, raise the upper of vibrating diaphragm
Amplitude inhibits lower amplitude, and highest point of amplitude up and down of Synchronous fluorimetry vibrating diaphragm or so deviates asymmetric problem, so as to improve
Product rocks, and reduces the distortion of sounding device.
[Detailed description of the invention]
Fig. 1 is the decomposition texture schematic diagram of sounding device of the invention；
Fig. 2 is the schematic perspective view of sounding device of the invention after the assembly is completed；
Fig. 3 is cross-sectional view of the Fig. 2 along the direction A-A；
Fig. 4 is cross-sectional view of the Fig. 2 along the direction B-B；
Fig. 5 is the vibrating diaphragm schematic perspective view of sounding device of the invention；
Fig. 6 is cross-sectional view of the Fig. 5 along the direction C-C；
Fig. 7 is enlarged diagram at D in Fig. 6.
[specific embodiment]
The invention will be further described with embodiment with reference to the accompanying drawing.
As shown in Figures 1 to 7, the sounding device of the present embodiment includes frame 10, the magnetic circuit system for being individually fixed in frame 10
System 30 and vibrational system 40.Wherein, magnetic circuit system 30 includes magnetic yoke 34, is fixed on the main magnet steel 31 of magnetic yoke 34 and is respectively separated
It is set to main 31 opposite sides of magnet steel and forms the secondary magnet steel 33 of magnetic gap 36 with main magnet steel 31, main magnet steel 31 is made with secondary magnet steel 33
For the magnetic line of force occurring source of magnetic induction.
Vibrational system 40 is fixed on the vibrating diaphragm 41 of frame 10, is inserted in magnetic gap 36 and drives 41 vibration sounding of vibrating diaphragm
Voice coil 43.Vibrating diaphragm 41 includes the ring 410 for being fixed on frame 10, and ring 410 includes the protruding portion that a cross section is arcuate structure
412, which is bent protrusion to the direction far from magnetic circuit system 30.Specifically, the protruding portion 412 includes roof
4122, one end from roof 4122 inside ring 410 extends to magnetic circuit system 40 the first side wall 4121 and from roof
4122 second sidewalls 4123 extended far from one end inside ring 410 to magnetic circuit system 40.Also, the thickness of second sidewall 4123
The thickness H2 that H1 is greater than the first side wall 4121 is spent, the thickness H2 of the first side wall 4121 is greater than the thickness H3 of roof 4122.So set
Set, the structural strength of vibrating diaphragm 41 can be adjusted, raise the upper amplitude of vibrating diaphragm 41, inhibit lower amplitude, Synchronous fluorimetry vibrating diaphragm 41 it is upper
Lower amplitude highest point or so deviates asymmetric problem, further improves product and rocks, reduces the distortion of sounding device, thus
To improve the sound quality and stereophonic effect of microphone device, improve the performances such as Q value and the SPL of sounding device.
Further, the connection between the first side wall 4121 and roof 4122 and second sidewall 4123 and roof 4122
Between connection transition connection is carried out in a manner of gradual change.In the present embodiment, the first side wall 4121 includes close to roof
4122 first connecting portion 41211, then it is smoothed by first connecting portion 41211 between the first side wall 4121 and roof 4122
Connection is crossed, and the thickness L1 of first connecting portion 41211 is gradually reduced along the direction of the first side wall 4121 to roof 4122；The
Two side walls 4123 include the second connecting portion 41231 close to roof 4122, then between second sidewall 4123 and roof 4122
It is connected smoothly by second connecting portion 41231, and the thickness L2 of second connecting portion 41231 is along second sidewall 4123 to top
The direction of wall 4122 is gradually reduced.
Certainly, between the connection between the first side wall 4121 and roof 4122 and second sidewall 4123 and roof 4122
Connection can also be all made of mutation mode carry out the connection between transition connection or the first side wall 4121 and roof 4123 with
And the connection between second sidewall 4123 and roof 4122 uses wherein side connection transition and the other side is then in a manner of gradual change
The connection type of transition is carried out in a manner of mutation.
Material for producing vibrating diaphragm 41 can be PEEK (Polyetheretherketone, polyether-ether-ketone), TPE
(Thermoplastic Elastomer, thermoplastic elastomer (TPE)), TPU (Thermoplastic polyurethanes, thermoplastic
Property elastic polyurethane body rubber), the high molecular materials such as silicon rubber.
In an embodiment of the present invention, ring 410 further includes extended from protruding portion 412 to 410 inner horizontal of ring
One fixed part 411 and from protruding portion 412 to far from horizontal-extending second fixed part 413 of ring 410.Further, this reality
The vibrating diaphragm 41 for applying the sounding device of example further includes top dome 50, and ring 410 is hollow structure, i.e. the first fixed part 411 surrounds shape
At vibrating diaphragm window 400, top dome 50 covers vibrating diaphragm window 400 and fixes with 411 gluing of the first fixed part.So set, to send out
For acoustic device during propagating sound, vibrating diaphragm 41 has better structural strength, ensure that microphone device good reliability.
Further, in order to further improve the performance of magnetic circuit system 30, make the magnetic line of force of magnetic circuit system 30 as far as possible
More is cut by voice coil 43, and to form bigger driving force, the magnetic circuit system 30 of the present embodiment further includes being stacked at main magnet steel 31
Main pole core 32 and be embedded the upper clamp plate 35 of frame 10.Upper clamp plate 35 includes the fixed ring annular in shape for being fixed on frame 10
351 and consequent pole core 352 from fixed ring 351 to secondary magnet steel 33 that extend from.Further, the number of secondary magnet steel 33 and consequent pole core 352
Amount is two, and the opposite sides of main magnet steel 31 is arranged in two secondary magnet steel 33, and two consequent pole cores 352 are distinguished by fixed ring 351
Extend to two secondary magnet steel 33 and is stacked at two secondary magnet steel 33 respectively.
Further, vibrational system 40 further includes elastic supporting member for supporting optical member 44 comprising is fixedly connected on the connector of frame 10
Section 441 is fixedly connected on voice coil 43 away from the supporting section 443 of 41 one end of vibrating diaphragm and connection connection head section 441 and supporting section
443 elasticity accepts section 442.43 resilient suspension of voice coil in 41 lower section of vibrating diaphragm, is further promoted entire vibration by elastic supporting member for supporting optical member 44
The reliability of dynamic system 40.
In conclusion during vibrating diaphragm 41 vibrates, by by the first side wall 4121 in vibrating diaphragm 41, second sidewall
4123 and 4122 three of roof be arranged to different thickness, and the thickness of second sidewall 4123 is greater than the first side wall 4121
Thickness, the thickness of the first side wall 4121 are greater than the thickness of roof 4122.Such setting can adjust 41 structural strength of vibrating diaphragm,
The upper amplitude of vibrating diaphragm 41 is raised, inhibits lower amplitude, and highest point of amplitude up and down of Synchronous fluorimetry vibrating diaphragm 41 or so offset is not right
The problem of title, rocks so as to improve product, reduces the distortion of sounding device.
Above-described is only embodiments of the present invention, it should be noted here that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, improvement can also be made, but these belong to protection model of the invention
It encloses.
Claims (9)
1. a kind of sounding device comprising frame and be individually fixed in the vibrational system of the frame and the magnetic with magnetic gap
Road system, the vibrational system include the vibrating diaphragm for being fixed on the frame, are inserted in the magnetic gap to drive the vibrating diaphragm to shake
The voice coil of dynamic sounding, which is characterized in that the vibrating diaphragm includes the ring for being fixed on the frame, and the ring includes a cross section
For the protruding portion of arcuate structure, the protruding portion includes roof, from one end inside the ring of the roof to institute
State the first side wall of magnetic circuit system extension and extending to magnetic circuit system far from one end inside the ring from the roof
Second sidewall, the thickness of the second sidewall is greater than the thickness of the first side wall, and the thickness of the first side wall is greater than institute
State the thickness of roof.
2. sounding device according to claim 1, which is characterized in that the first side wall includes close to the of the roof
One interconnecting piece, the first side wall and the roof are connected smoothly by the first connecting portion and the first connecting portion
Thickness be gradually reduced along the direction of the first side wall to the roof, the second sidewall includes close to the of the roof
Two interconnecting pieces, the second sidewall and the roof are connected smoothly by the second connecting portion and thickness is along described second
The direction of side wall to the roof is gradually reduced.
3. sounding device according to claim 2, which is characterized in that the protruding portion is to far from the magnetic circuit system direction
Bending protrusion.
4. sounding device according to claim 3, which is characterized in that the ring further includes from the protruding portion to described
The first fixed part and fixed from the protruding portion to far from the ring horizontal-extending second that ring inner horizontal extends
Portion, the vibrating diaphragm further include the top dome for being stacked at the ring.
5. sounding device according to claim 4, which is characterized in that the ring is hollow structure, the top dome covering
The hollow structure is simultaneously fixedly connected with first fixed part.
6. sounding device according to claim 1, which is characterized in that the vibrating diaphragm is silica gel, rubber, polyether-ether-ketone, heat
The high molecular materials such as plastic polyurethane elastomer rubber, silicon rubber.
7. sounding device according to claim 1, which is characterized in that the magnetic circuit system include magnetic yoke, be fixed on it is described
It the main magnet steel of magnetic yoke and is respectively separated and is set to the main magnet steel opposite sides and forms the magnetic gap with the main magnet steel
Secondary magnet steel.
8. sounding device according to claim 7, which is characterized in that the pair magnet steel includes two, the magnetic circuit system
It further include the main pole core for being stacked at the main magnet steel and the upper clamp plate for being embedded at the frame, the upper clamp plate includes being fixed on
The fixed ring annular in shape of the frame and the consequent pole core extended respectively to two secondary magnet steel from the fixed ring, the pair
Pole piece is stacked at two secondary magnet steel respectively.
9. sounding device according to claim 1, which is characterized in that the vibrational system further includes elastic supporting member for supporting optical member, institute
Elastic supporting member for supporting optical member is stated to include the connection head section for being fixedly connected on the frame, be fixedly connected on the voice coil away from the vibrating diaphragm one
The supporting section and the connection connection head section and the elasticity of the supporting section at end accept section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649380.6A CN109819378A (en) | 2018-12-30 | 2018-12-30 | Sounding device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811649380.6A CN109819378A (en) | 2018-12-30 | 2018-12-30 | Sounding device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109819378A true CN109819378A (en) | 2019-05-28 |
Family
ID=66603824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811649380.6A Pending CN109819378A (en) | 2018-12-30 | 2018-12-30 | Sounding device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109819378A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446144A (en) * | 2019-07-22 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110636416A (en) * | 2019-10-12 | 2019-12-31 | 安克创新科技股份有限公司 | Vibrating diaphragm folding ring |
| WO2021119918A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm and loudspeaker |
| WO2021119913A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Diaphragm and speaker |
| WO2021119912A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Diaphragm and loudspeaker |
| WO2021119916A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm, and loudspeaker |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6176345B1 (en) * | 1997-07-18 | 2001-01-23 | Mackie Designs Inc. | Pistonic motion, large excursion passive radiator |
| KR20040069667A (en) * | 2003-01-30 | 2004-08-06 | 에스텍 주식회사 | Edge structure of diaphragm for high power speaker |
| US7177440B2 (en) * | 2002-12-31 | 2007-02-13 | Step Technologies Inc. | Electromagnetic transducer with asymmetric diaphragm |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN207869350U (en) * | 2018-01-24 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
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2018
- 2018-12-30 CN CN201811649380.6A patent/CN109819378A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6176345B1 (en) * | 1997-07-18 | 2001-01-23 | Mackie Designs Inc. | Pistonic motion, large excursion passive radiator |
| US7177440B2 (en) * | 2002-12-31 | 2007-02-13 | Step Technologies Inc. | Electromagnetic transducer with asymmetric diaphragm |
| KR20040069667A (en) * | 2003-01-30 | 2004-08-06 | 에스텍 주식회사 | Edge structure of diaphragm for high power speaker |
| CN205491130U (en) * | 2016-01-28 | 2016-08-17 | 瑞声光电科技(常州)有限公司 | Micro sound production device |
| CN207869350U (en) * | 2018-01-24 | 2018-09-14 | 瑞声科技(新加坡)有限公司 | Mini-sound device |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110446144A (en) * | 2019-07-22 | 2019-11-12 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN110636416A (en) * | 2019-10-12 | 2019-12-31 | 安克创新科技股份有限公司 | Vibrating diaphragm folding ring |
| CN110636416B (en) * | 2019-10-12 | 2023-10-31 | 安克创新科技股份有限公司 | Vibrating diaphragm ring |
| WO2021119918A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm and loudspeaker |
| WO2021119913A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Diaphragm and speaker |
| WO2021119912A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Diaphragm and loudspeaker |
| WO2021119916A1 (en) * | 2019-12-16 | 2021-06-24 | 瑞声声学科技(深圳)有限公司 | Vibrating diaphragm, and loudspeaker |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190528 |
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| RJ01 | Rejection of invention patent application after publication |