CN209390365U - Loudspeaker - Google Patents

Loudspeaker Download PDF

Info

Publication number
CN209390365U
CN209390365U CN201822279175.7U CN201822279175U CN209390365U CN 209390365 U CN209390365 U CN 209390365U CN 201822279175 U CN201822279175 U CN 201822279175U CN 209390365 U CN209390365 U CN 209390365U
Authority
CN
China
Prior art keywords
fixed
voice coil
vibrating diaphragm
frame
loudspeaker
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN201822279175.7U
Other languages
Chinese (zh)
Inventor
胡洪建
李帅
吴树文
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AAC Technologies Pte Ltd
Original Assignee
AAC Technologies Pte Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by AAC Technologies Pte Ltd filed Critical AAC Technologies Pte Ltd
Priority to CN201822279175.7U priority Critical patent/CN209390365U/en
Application granted granted Critical
Publication of CN209390365U publication Critical patent/CN209390365U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model provides a kind of loudspeaker, including frame, vibrational system and magnetic circuit system, the vibrational system includes the first vibrating diaphragm, voice coil, flexible circuit board and the second vibrating diaphragm being located between the flexible circuit board and the voice coil, the flexible circuit board includes first fixed part fixed with the voice coil, second fixed part fixed with the frame and the elasticity arm for connecting first fixed part and second fixed part, first fixed part includes close to the first upper surface of the voice coil side, second fixed part includes close to the second upper surface of the frame side, the elasticity arm includes close to the third upper surface of first vibrating diaphragm side, along second vibrating diaphragm to first vibrating diaphragm direction, the height of first upper surface and second upper surface is above the height of the third upper surface.Compared with the relevant technologies, the stability of loudspeaker provided by the utility model is more preferably.

Description

Loudspeaker
[technical field]
The utility model relates to acoustic-electric conversion art more particularly to a kind of loudspeakers.
[background technique]
With the arrival of mobile internet era, the quantity of Intelligent mobile equipment constantly rises.And in numerous mobile devices Among, mobile phone is undoubtedly most common, most portable mobile terminal device.Currently, the function of mobile phone is extremely various, one of them is just The music function of high-quality, therefore, the loudspeaker for playing sound be widely applied Intelligent mobile equipment till now it In.
The loudspeaker of the relevant technologies includes frame, the magnetic circuit system being contained in the frame and vibrational system, magnetic circuit system For driving vibrational system vibration sounding, vibrational system includes the first vibrating diaphragm, is located at the first vibrating diaphragm of driving below the first vibrating diaphragm system The voice coil of vibration sounding, flexible circuit board opposite with the first vibrating diaphragm and flexibly supporting voice coil and it is located in flexible circuit board and sound The second vibrating diaphragm between circle, flexible circuit board are fixed with frame and voice coil respectively.
However, loudspeaker in the related technology is not provided with reinforcement in the fixed area of flexible circuit board and frame and voice coil Structure, the second vibrating diaphragm is easy in vibrational system vibration processes and flexible circuit board is interfered, and influences the stability of loudspeaker.
Therefore, it is necessary to provide a kind of improved loudspeaker to solve the above problems.
[utility model content]
Interfere to influence for being easy to happen between flexible circuit board and the second vibrating diaphragm in loudspeaker in the related technology The technical issues of loudspeaker stability, the utility model provide a kind of loudspeaker having good stability.
A kind of loudspeaker including frame, is fixed on the vibrational system and magnetic circuit system of the frame, the vibrational system packet Include the first vibrating diaphragm, positioned at the voice coil and first vibrating diaphragm of the first vibrating diaphragm lower section driving the first diaphragm oscillations sounding It is opposite and flexibly support the flexible circuit board of the voice coil and be located between the flexible circuit board and the voice coil second Vibrating diaphragm, the flexible circuit board include first fixed part fixed with the voice coil, second fixed part fixed with the frame And the elasticity arm of connection first fixed part and second fixed part, first fixed part include close to the voice coil one First upper surface of side, second fixed part include close to the second upper surface of the frame side, and the elasticity arm includes Close to the third upper surface of first vibrating diaphragm side, along second vibrating diaphragm to first vibrating diaphragm direction, described first The height of surface and second upper surface is above the height of the third upper surface.
Preferably, second vibrating diaphragm includes the first connection being located between first fixed part and the voice coil Portion, the second connecting portion being located between second fixed part and the frame and the connection first connecting portion and described the Second ring portion of two interconnecting pieces.
Preferably, first upper surface and second upper surface are in the same plane.
Preferably, the voice coil is in rectangular ring, and the voice coil includes described in the two long axis sides being oppositely arranged and connection two Long axis while two short axles while, there are two the flexible circuit board is set, it is described short that two flexible circuit board are respectively correspondingly arranged in two Axis side.
Preferably, the magnetic circuit system includes the magnetic being fixedly connected with one end far from first vibrating diaphragm of the frame Yoke and group are arranged to be formed between magnetic assigned in the main magnet steel and secondary magnet steel in the magnetic yoke, the main magnet steel and the secondary magnet steel interval Gap, the voice coil are at least partially disposed in the magnetic gap.
Preferably, the magnetic circuit system further includes the main pole core being attached on the main magnet steel and is attached at the secondary magnet steel On consequent pole core.
Preferably, first fixed part further includes the first lower surface far from the voice coil side, and described second is fixed Portion further includes the second lower surface far from the frame side, and the elasticity arm further includes the far from first vibrating diaphragm side Three lower surfaces, first lower surface, second lower surface and the third lower surface are respectively positioned on same plane.
Compared with the relevant technologies, on first in the first fixed part in the flexible circuit board of the loudspeaker of the utility model Surface is higher than the third upper surface of elasticity arm, and the second upper surface in the second fixed part is higher than table in the third of elasticity arm There is difference in height in face, the elasticity arm of flexible circuit board and the first fixed part and the second fixed part, so that flexible circuit board and the It is less likely to occur to interfere between two vibrating diaphragms, vibration interference surplus is increased, to allow loudspeaker that there is better stability.
[Detailed description of the invention]
It, below will be to required in embodiment description in order to illustrate more clearly of the technical scheme in the embodiment of the utility model Attached drawing to be used is briefly described, it should be apparent that, the accompanying drawings in the following description is only some realities of the utility model Example is applied, it for those of ordinary skill in the art, without creative efforts, can also be according to these attached drawings Obtain other attached drawings, in which:
Fig. 1 is the schematic perspective view of the utility model loudspeaker;
Fig. 2 is the decomposition texture schematic diagram of loudspeaker shown in Fig. 1;
Fig. 3 is the structural schematic diagram of flexible circuit board shown in Fig. 2;
Fig. 4 is the cross-sectional view along line A-A shown in Fig. 1;
Fig. 5 is the partial enlarged view of B area shown in Fig. 4;
Fig. 6 is the cross-sectional view along line C-C shown in Fig. 3.
[specific embodiment]
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describing, it is clear that described embodiment is only a part of the embodiment of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work All other embodiment obtained, fall within the protection scope of the utility model.
Please refer to Fig. 1 and Fig. 2.The utility model provides a kind of loudspeaker 100 comprising frame 10, be fixed on it is described The vibrational system 20 and magnetic circuit system 30 of frame 10.The magnetic circuit system 30 is for driving the vibrational system 20 to vibrate.
The whole frame 10 is in hollow rectangle.
The vibrational system 20 includes the first vibrating diaphragm 21, drives first vibrating diaphragm 21 below first vibrating diaphragm 21 The voice coil 22 of vibration sounding, flexible circuit board 23 and sandwiched opposite and that flexibly support the voice coil 22 with first vibrating diaphragm 21 The second vibrating diaphragm 24 between the flexible circuit board 23 and the voice coil 22.
First vibrating diaphragm 21 includes first for being located in the middle top dome portion 211, being extended by 211 outer peripheral edge of top dome portion Ring portion 212 and the first vibrating diaphragm fixed part 213 extended by first ring portion, 212 outer peripheral edge, first vibrating diaphragm are fixed Portion 213 is fixed in the frame 10.
The voice coil 22 is in rectangular ring, specifically, the voice coil 22 includes the two long axis sides 221 being oppositely arranged and connection Two long axis are in 221 two short axle 222.The short axle 221 junctions at 222 and the long axis are that arc transition connects It connects.
Fig. 3 is please referred to Fig. 5.The flexible circuit board 23 is fixed on separate first vibrating diaphragm of the voice coil 22 21 side.The flexible circuit board 23 includes that first fixed part 231 fixed with the voice coil 22 and the frame 10 are fixed The second fixed part 232 and connection first fixed part 231 and second fixed part 232 elasticity arm 233.Described first The thickness of the thickness of fixed part 231 and second fixed part 232 is all larger than the thickness of the elasticity arm 233, and reinforcement is described The intensity of flexible circuit board 23 and 10 gluing area of the voice coil 22 and the frame.Preferably, first fixed part 231 with The thickness of second fixed part 232 is identical.
First fixed part 231 includes the first noumenon portion 2311 connecting with the elasticity arm 233 and is located in described The first extension 2312 between the first noumenon portion 2311 and the voice coil 22.First extension 2312 includes close to described First lower surface 2314 of the first upper surface 2313 of 22 side of voice coil and separate 22 side of voice coil.
Second fixed part 232 includes the second body part 2321 connecting with the elasticity arm 233 and is located in described The second extension 2322 between second body part 2321 and the frame 10.Second extension 2322 includes close to described Second lower surface 2324 of the second upper surface 2323 of 10 side of frame and separate 10 side of frame.
The elasticity arm 233 includes close to the third upper surface 2331 of 21 side of the first vibrating diaphragm and far from described first The third lower surface 2332 of 21 side of vibrating diaphragm.Along the first upper surface described in second vibrating diaphragm 24 to 21 direction of the first vibrating diaphragm 2313 are above the height of the third upper surface 2331, and first upper surface with the height of second upper surface 2323 2313 is in the same plane with second upper surface 2323.First lower surface 2314, second lower surface 2324 And the third lower surface 2332 is respectively positioned on same plane.
Specifically, two flexible circuit board 23 are respectively correspondingly arranged in the sound there are two the flexible circuit board 23 sets The two short axle sides 222 of circle 22.
Second vibrating diaphragm 24 includes the first connecting portion being located between first fixed part 231 and the voice coil 22 241, the second connecting portion 242 and connection being located between second fixed part 232 and the frame 10 first connection The second ring portion 243 in portion 241 and the second connecting portion 242, corresponding first ring portion, second ring portion 243 212 settings.
Specifically, the first connecting portion 241 is located between first extension 2312 and the voice coil 22, it is described Second connecting portion 242 is located between second extension 2322 and the frame 10.It is understood that by described First fixed part 231 adds first extension 2312 and second extension with second fixed part 232 respectively 2322, so that difference in height is formed between the elasticity arm 233 and first fixed part 231 and second fixed part 232, from And allow between the flexible circuit board 23 and second vibrating diaphragm 24 and be less likely to occur to interfere, vibration interference surplus is increased, from And allow the loudspeaker 100 that there is better stability.
Corresponding, there are two second vibrating diaphragm 24 is set, two second vibrating diaphragms 24 are respectively correspondingly arranged in the voice coil The short axle side 222 of the two of 22 is simultaneously located between the flexible circuit board 23 and the voice coil 22.
Please continue to refer to Fig. 2.The magnetic circuit system 30 includes one far from first vibrating diaphragm 21 with the frame 10 The magnetic yoke 31 being fixedly connected, group are held assigned in the main magnet steel 32 in the magnetic yoke 31 and secondary magnet steel 33, is attached at the main magnet steel 31 On main pole core 34 and be attached at the consequent pole core 35 of the secondary magnet steel 33.It is described pair magnet steel 33 set there are two and with the main magnet steel 32 interval settings form magnetic gap, and the long axis side 221 of the two of the voice coil 22 is correspondingly arranged in the magnetic gap.
Compared with the relevant technologies, on first in the first fixed part in the flexible circuit board of the loudspeaker of the utility model Surface is higher than the third upper surface of elasticity arm, and the second upper surface in the second fixed part is higher than table in the third of elasticity arm There is difference in height in face, the elasticity arm of flexible circuit board and the first fixed part and the second fixed part, so that flexible circuit board and the It is less likely to occur to interfere between two vibrating diaphragms, vibration interference surplus is increased, to allow loudspeaker that there is better stability.
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 (7)

1. a kind of loudspeaker, including frame, it is fixed on the vibrational system and magnetic circuit system of the frame, the vibrational system includes First vibrating diaphragm, the voice coil that the first diaphragm oscillations sounding is driven below first vibrating diaphragm, with the first vibrating diaphragm phase To and flexibly support the flexible circuit board of the voice coil and be located between the flexible circuit board and the voice coil second vibration Film, which is characterized in that the flexible circuit board includes first fixed part fixed with the voice coil, fixed with the frame the The elasticity arm of two fixed parts and connection first fixed part and second fixed part, first fixed part include close to institute The first upper surface of voice coil side is stated, second fixed part includes close to the second upper surface of the frame side, the bullet The arm of force includes close to the third upper surface of first vibrating diaphragm side, along second vibrating diaphragm to first vibrating diaphragm direction, institute The height for stating the first upper surface and second upper surface is above the height of the third upper surface.
2. loudspeaker according to claim 1, which is characterized in that second vibrating diaphragm includes being located in described first to fix First connecting portion between portion and the voice coil, the second connecting portion being located between second fixed part and the frame and Connect the second ring portion of the first connecting portion Yu the second connecting portion.
3. loudspeaker according to claim 1, which is characterized in that first upper surface is located at second upper surface On same plane.
4. loudspeaker according to claim 1, which is characterized in that the voice coil is in rectangular ring, and the voice coil includes two The long axis being oppositely arranged while and two short axle sides when two long axis of connection, there are two the flexible circuit board is set, two is described soft Property wiring board is respectively correspondingly arranged in the two short axle sides.
5. loudspeaker according to claim 1, which is characterized in that the magnetic circuit system includes the separate institute with the frame Magnetic yoke that one end of the first vibrating diaphragm is fixedly connected and group are stated assigned in the main magnet steel and secondary magnet steel in the magnetic yoke, the main magnet steel with The pair magnet steel interval is arranged to form magnetic gap, and the voice coil is at least partially disposed in the magnetic gap.
6. loudspeaker according to claim 5, which is characterized in that the magnetic circuit system further includes being attached at the main magnet steel On main pole core and the consequent pole core that is attached on the secondary magnet steel.
7. loudspeaker according to claim 1, which is characterized in that first fixed part further includes far from the voice coil one First lower surface of side, second fixed part further include the second lower surface far from the frame side, and the elasticity arm is also Including the third lower surface far from first vibrating diaphragm side, first lower surface, second lower surface and the third Lower surface is respectively positioned on same plane.
CN201822279175.7U 2018-12-30 2018-12-30 Loudspeaker Active CN209390365U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201822279175.7U CN209390365U (en) 2018-12-30 2018-12-30 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201822279175.7U CN209390365U (en) 2018-12-30 2018-12-30 Loudspeaker

Publications (1)

Publication Number Publication Date
CN209390365U true CN209390365U (en) 2019-09-13

Family

ID=67863357

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201822279175.7U Active CN209390365U (en) 2018-12-30 2018-12-30 Loudspeaker

Country Status (1)

Country Link
CN (1) CN209390365U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111988711A (en) * 2020-08-31 2020-11-24 歌尔股份有限公司 Speaker monomer and electronic terminal

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111988711A (en) * 2020-08-31 2020-11-24 歌尔股份有限公司 Speaker monomer and electronic terminal

Similar Documents

Publication Publication Date Title
CN109348370B (en) Sound production device
CN205864733U (en) Mini-sound device
CN207869371U (en) Loud speaker
CN208638633U (en) Loudspeaker
CN209526871U (en) Microphone device
CN208638690U (en) Loudspeaker
CN209659599U (en) Loudspeaker
CN208924470U (en) Microphone device
CN208798197U (en) Loudspeaker
CN207869372U (en) Loud speaker
CN208190906U (en) The mini-sound device of flexible circuit board and the application flexible circuit board
CN208908496U (en) Loudspeaker
US10979821B2 (en) Sound generator
US10341779B2 (en) Miniature sounding device
CN208908489U (en) Loudspeaker
CN208638712U (en) Loudspeaker
US10932058B2 (en) Speaker
WO2020134345A1 (en) Sound producing device
CN109379680A (en) Microphone device
CN209390365U (en) Loudspeaker
CN209897257U (en) Sound production device
CN110149578A (en) Microphone device
CN208638598U (en) Loudspeaker
CN108462925A (en) Microphone device
CN209390307U (en) Sound film and the loudspeaker for using the sound film

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant