CN209390353U - Sounding device - Google Patents

Sounding device Download PDF

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Publication number
CN209390353U
CN209390353U CN201822278298.9U CN201822278298U CN209390353U CN 209390353 U CN209390353 U CN 209390353U CN 201822278298 U CN201822278298 U CN 201822278298U CN 209390353 U CN209390353 U CN 209390353U
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China
Prior art keywords
roof
ring
vibrating diaphragm
thickness
fixed
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CN201822278298.9U
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Chinese (zh)
Inventor
梁平
赵彬
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AAC Technologies Pte Ltd
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AAC Technologies Pte Ltd
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Abstract

The utility model provides sounding device, including frame and it is individually fixed in the vibrational system of the frame and the magnetic circuit system with 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 the first side wall is greater than the thickness of second sidewall, the thickness of second sidewall is greater than the thickness of roof.The sounding device of the utility model can solve vibrating diaphragm in the prior art and amplitude asymmetry occurs, and vibrating diaphragm waves seriously, lead to the bad problem that quality distortion degree is high.

Description

Sounding device
[technical field]
The utility model 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, and vibrating diaphragm waves seriously, generates sound The high bad problem of the matter distortion factor.
Therefore, it is necessary to provide the new technical solution of one kind to overcome above-mentioned technical problem.
[utility model content]
The purpose of this utility model is to provide a kind of sounding devices, it is intended to solve vibrating diaphragm in the prior art and amplitude occurs not Symmetrically, serious, the problems such as quality distortion degree is high is waved.
The technical solution of the utility model 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 the first side wall is greater than the thickness of second sidewall, the thickness of second sidewall 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 utility model has the beneficial effects that:
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 the first side wall is greater than second sidewall Thickness, the thickness of second sidewall 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 the sounding device of the utility model;
Fig. 2 is the schematic perspective view of the sounding device of the utility model 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 the sounding device of the utility model;
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 utility model is described in further detail 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, the sound for being inserted in magnetic gap 36 and driving 41 vibration sounding of vibrating diaphragm Circle 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 include roof 4122, The first side wall 4121 from the one end of roof 4122 inside ring 410 to magnetic circuit system 40 that extend from and remote from roof 4122 Disintegrate the second sidewall 4123 that one end inside ring 410 extends to magnetic circuit system 40.Also, the thickness H2 of the first side wall 4121 is big It is greater than the thickness H3 of roof 4122 in the thickness H1 of second sidewall 4123, the thickness H1 of second sidewall 4123.So set, can The structural strength for adjusting vibrating diaphragm 41, raises the lower amplitude of vibrating diaphragm 41, amplitude in inhibition, the amplitude up and down of Synchronous fluorimetry vibrating diaphragm 41 is most High point or so deviates asymmetric problem, further improves product and rocks, the distortion of sounding device is reduced, to be improved hair The sound quality and stereophonic effect of acoustic 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 it 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 between the first side wall 4121 and roof 4122 pass through first connecting portion 41211 smooth transition connect It connects, and the thickness L1 of first connecting portion 41211 is gradually reduced along the direction of the first side wall 4121 to roof 4122;Second sidewall 4123 include the second connecting portion 41231 close to roof 4122, then passes through second between second sidewall 4123 and roof 4122 Interconnecting piece 41231 is connected smoothly, and the thickness L2 of second connecting portion 41231 is along second sidewall 4123 to roof 4122 Direction is gradually reduced.
Certainly, between the connection between the first side wall 4121 and roof 4122 and second sidewall 4123 and roof 4122 The mode that connection can also be all made of mutation carry out connection between transition connection or the first side wall 4121 and roof 4123 and Connection between second sidewall 4123 and roof 4122 use wherein side connection in a manner of gradual change transition and the other side then with The mode of mutation carries out the connection type of transition.
Material for producing vibrating diaphragm 41 can be PEEK (Polyetheretherketone, polyether-ether-ketone), TPE (Thermoplastic Elastomer, thermoplastic elastomer (TPE)), TPU (Thermoplastic polyurethanes, thermoplasticity Elastic polyurethane body rubber), the high molecular materials such as silicon rubber.
In the embodiments of the present invention, ring 410 further includes extending from protruding portion 412 to 410 inner horizontal of ring The first fixed part 411 and from protruding portion 412 to far from horizontal-extending second fixed part 413 of ring 410.Further, The vibrating diaphragm 41 of the sounding device of the present embodiment further includes top dome 50, and ring 410 is hollow structure, i.e. the first fixed part 411 encloses Around vibrating diaphragm window 400 is formed, top dome 50 covers vibrating diaphragm window 400 and fixes with 411 gluing of the first fixed part.So set, making Sounding device during propagating sound, for vibrating diaphragm 41 with better structural strength, ensure that microphone device is good can By property.
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 accept section 442.43 resilient suspension of voice coil in 41 lower section of vibrating diaphragm, is further promoted entire vibration system by elastic supporting member for supporting optical member 44 The reliability of 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 the first side wall 4121 is greater than the thickness of second sidewall 4123 Degree, the thickness of second sidewall 4123 are greater than the thickness of roof 4122.Such setting can adjust 41 structural strength of vibrating diaphragm, raise The upper amplitude of vibrating diaphragm 41 inhibits lower amplitude, and highest point of amplitude up and down of Synchronous fluorimetry vibrating diaphragm 41 or so offset is asymmetric Problem is rocked so as to improve product, reduces the distortion of sounding device.
Above-described is only the embodiments of the present invention, it should be noted here that for the ordinary skill of this field For personnel, without departing from the concept of the present invention, improvement can also be made, but these belong to it is practical Novel protection scope.

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 first side wall is greater than the thickness of the second sidewall, and the thickness of the second sidewall 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.
CN201822278298.9U 2018-12-30 2018-12-30 Sounding device Active CN209390353U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822278298.9U CN209390353U (en) 2018-12-30 2018-12-30 Sounding device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822278298.9U CN209390353U (en) 2018-12-30 2018-12-30 Sounding device

Publications (1)

Publication Number Publication Date
CN209390353U true CN209390353U (en) 2019-09-13

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111629307A (en) * 2020-05-20 2020-09-04 瑞声科技(新加坡)有限公司 Loudspeaker
CN111935616A (en) * 2020-06-30 2020-11-13 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device
WO2021119917A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Diaphragm and speaker
WO2021119916A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Vibrating diaphragm, and loudspeaker
WO2021119914A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Diaphragm and loudspeaker

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021119917A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Diaphragm and speaker
WO2021119916A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Vibrating diaphragm, and loudspeaker
WO2021119914A1 (en) * 2019-12-16 2021-06-24 瑞声声学科技(深圳)有限公司 Diaphragm and loudspeaker
CN111629307A (en) * 2020-05-20 2020-09-04 瑞声科技(新加坡)有限公司 Loudspeaker
CN111629307B (en) * 2020-05-20 2021-09-28 瑞声科技(新加坡)有限公司 Loudspeaker
CN111935616A (en) * 2020-06-30 2020-11-13 瑞声新能源发展(常州)有限公司科教城分公司 Sound production device

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