CN209659599U

CN209659599U - Loudspeaker

Info

Publication number: CN209659599U
Application number: CN201822279278.3U
Authority: CN
Inventors: 胡洪建; 李帅
Original assignee: AAC Technologies Pte Ltd
Current assignee: AAC Technologies Pte Ltd
Priority date: 2018-12-31
Filing date: 2018-12-31
Publication date: 2019-11-19
Anticipated expiration: 2028-12-31

Abstract

The utility model provides a kind of loudspeaker, including frame, vibrational system and magnetic circuit system, vibrational system includes the first vibrating diaphragm, voice coil and flexible circuit board, voice coil includes voice coil ontology and the first voice coil leads and the second voice coil leads, voice coil ontology includes the voice coil body upper surface and the voice coil ontology lower surface opposite with voice coil body upper surface close to the first vibrating diaphragm side, first voice coil leads are located at close to voice coil body upper surface side, second voice coil leads are located at close to voice coil ontology lower surface side, flexible circuit board includes the main part connecting with voice coil ontology and the welding disk that connect with main part, welding disk includes the first welding disk and the second welding disk, first welding disk is located at close to voice coil body upper surface side, second welding disk is close to voice coil ontology lower surface side, first voice coil leads correspondence is welded in the first welding disk, second Voice coil leads correspondence is welded in the second welding disk.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 and opposite with first vibrating diaphragm and flexibly support the flexible circuit board of the voice coil, voice coil is equipped with two Root voice coil leads, two voice coil leads are corresponding with the welding disk in flexible circuit board to be welded and fixed.

It is located at below voice coil however, being located at when voice coil leads one above voice coil one in loudspeaker in the related technology When, since the welding disk in flexible circuit board is respectively positioned on the lower section of voice coil, so that wherein a voice coil leads are bent 90 degree, entire voice coil height is spanned, the case where voice coil leads break is easy to appear, to affect the stabilization of loudspeaker Property.

Therefore, it is necessary to provide a kind of improved loudspeaker to solve the above problems.

[utility model content]

For the bad technical problem of stability in loudspeaker in the related technology, the utility model provides a kind of stabilization The good loudspeaker of property.

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, drive below first vibrating diaphragm the first diaphragm oscillations sounding voice coil and with first vibrating diaphragm Flexible circuit board that is opposite and flexibly supporting the voice coil, the voice coil include voice coil ontology and extend from the voice coil ontology The first voice coil leads and the second voice coil leads, the voice coil ontology includes on the voice coil ontology close to first vibrating diaphragm side Surface and the voice coil ontology lower surface opposite with the voice coil body upper surface, first voice coil leads are located at close to the sound Body upper surface side is enclosed, second voice coil leads are located at close to voice coil ontology lower surface side, the flexible circuitry Plate includes the main part connecting with the voice coil ontology and the welding disk connecting with the main part, and the welding disk includes first Welding disk and the second welding disk, first welding disk are located at close to voice coil body upper surface side, second pad Close to voice coil ontology lower surface side, first voice coil leads are corresponding to be welded in first welding disk in portion, and described the Two voice coil leads correspondence is welded in second welding disk.

Preferably, the main part includes first fixed part fixed with the voice coil, fixed with the frame second The elasticity arm of fixed part and connection first fixed part and second fixed part, first welding disk and second weldering Pan portion is connect with first fixed part, and first welding disk is located at the solid close to described second of first fixed part Determine portion side, second welding disk is located at separate second fixed part side of first fixed part.

Preferably, first fixed part includes the table on the first upper surface of the voice coil side and described first First side surface of the first lower surface that face is oppositely arranged and connection first upper surface and first lower surface, described the One welding disk is from first upper surface to extending to form close to first vibrating diaphragm direction, and second welding disk is from described the One side surface is extended to form to far from second fixed part direction.

Preferably, first welding disk includes extending to form from first upper surface to first vibrating diaphragm direction Linking arm and the welding arm extended from the linking arm far from first upper surface one end to separate voice coil direction bending, First voice coil leads are corresponding to weld with the welding arm.

Preferably, the welding arm and second welding disk are arranged in parallel.

Preferably, the magnetic circuit system includes the magnetic being fixedly connected with one end far from first vibrating diaphragm of the frame Yoke assembles and the main magnet steel and secondary magnet steel, the main pole core that is attached on the main magnet steel in the magnetic yoke and is attached at the pair Consequent pole core on magnet steel, the main magnet steel and the secondary magnet steel interval are arranged to form magnetic gap, and the voice coil is at least partially disposed at In the magnetic gap.

Preferably, the main magnet steel is equipped with from close one side surface of flexible circuit board to far from the flexible circuitry Plate direction is recessed the first recessed portion to be formed, and second welding disk is corresponding to be located in first recessed portion.

Preferably, the main pole core, which corresponds to, is equipped with the second recessed portion, second welding disk pair at first recessed portion It should be located in the space that first recessed portion and second recessed portion surround

Compared with the relevant technologies, the loudspeaker of the utility model in the flexible circuit board by being arranged first weldering Pan portion and second welding disk, and first welding disk is respectively arranged at corresponding first sound with second welding disk It encloses in the plane of lead and second voice coil leads, the first voice coil leads described in this way and second voice coil leads can edges Horizontal direction outlet, do not need to be bent, so that first voice coil leads and second voice coil leads will not It is broken, and then increases the stability of the loudspeaker.

[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 cross-sectional view along line A-A shown in Fig. 1；

Fig. 4 is the partial enlarged view of B area shown in Fig. 3；

Fig. 5 is the structural schematic diagram of voice coil shown in Fig. 2；

Fig. 6 is the structural schematic diagram of the first flexible circuit board shown in Fig. 2.

[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 is fixed on The vibrational system 20 and magnetic circuit system 30 of the 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 It is the voice coil 22 of vibration sounding, opposite with first vibrating diaphragm 21 and flexibly support the flexible circuit board 23 of the voice coil 22 and be set to Second vibrating diaphragm 24 of the flexible circuit board 23 far from described 22 one end of voice coil.

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, and the top dome portion 211 is fixedly connected with the voice coil 22.

Please refer to Fig. 3, Fig. 4 and Fig. 5.The voice coil 22 includes voice coil ontology 221 and prolongs from the voice coil ontology 221 The first voice coil leads 222 and the second voice coil leads 223 stretched out.

The voice coil ontology 221 include close to 21 side of the first vibrating diaphragm voice coil body upper surface 2211 and with institute State the opposite voice coil ontology lower surface 2212 of voice coil body upper surface 2211.First voice coil leads 222 are located at close to described 2211 side of voice coil body upper surface, second voice coil leads 223 are located at close to 2212 side of voice coil ontology lower surface.

Please continue to refer to Fig. 2.There are two the flexible circuit board 23 is set, two flexible circuit board 23 are about the sound 22 interval face of circle is arranged and flexibly supports the voice coil 22 respectively.

Specifically, the flexible circuit board 23 includes the first flexible circuit board 231 and the second flexible circuit board 232.

Please refer to Fig. 4.First flexible circuit board 231 includes the main part connecting with the voice coil ontology 221 233 and the welding disk 234 that is connect with the main part 233.

Please refer to Fig. 6.The main part 233 includes first fixed part 2331 and institute fixed with the voice coil 22 State the bullet of the second fixed fixed part 2332 of frame 10 and connection first fixed part 2331 and second fixed part 2332 The arm of force 2333.

First fixed part 2331 includes on the first upper surface 2334 of 22 side of voice coil and described first The first lower surface 2335 and connection first upper surface 2334 and first lower surface 2335 that surface 2334 is oppositely arranged The first side surface 2336.

The welding disk 234 includes the first welding disk 2341 and the second welding disk 2342, first welding disk 2341 In close to 2211 side of voice coil body upper surface, second welding disk 2342 is close to voice coil ontology lower surface 2212 sides, the correspondence of the first voice coil leads 222 are welded in first welding disk 2341, second voice coil leads 223 Correspondence is welded in second welding disk 2342.

First welding disk 2341 is connect with first fixed part 2331 with second welding disk 2342, and First welding disk 2341 be located at first fixed part 2331 close to 2332 side of the second fixed part, described second Welding disk 2342 is located at separate second fixed part, 2332 side of first fixed part 2331.

Specifically, first welding disk 2341 is from first upper surface 2334 to close to 21 direction of the first vibrating diaphragm It extends to form, second welding disk 2342 prolongs from first side surface 2336 to far from 2332 direction of the second fixed part It stretches to be formed.

First welding disk 2341 includes extension shape from first upper surface 2334 to 21 direction of the first vibrating diaphragm At linking arm 2343 and from the linking arm 2343 far from described first upper surface, 2334 one end to far from 22 side of voice coil The welding arm 2344 extended to bending, first voice coil leads 222 are corresponding to weld with the welding arm 2344.Preferably, institute It states welding arm 2344 and second welding disk 2342 is arranged in parallel.

It is understood that in the present embodiment, first voice coil leads 222 and second voice coil leads 223 are equal Positioned at close to 231 side of the first flexible circuit board, so described the is correspondingly arranged in first flexible circuit board 231 One welding disk 2341 is corresponding with second welding disk 2342 to accept first voice coil leads 222 and second voice coil leads 223.Certainly, in other embodiments, it is located at when first voice coil leads 222 with second voice coil leads 223 not ipsilateral When, first welding disk 2341 and second welding disk 2342 can respectively correspond first voice coil leads 222 and described Second voice coil leads, 223 present position carries out adaptability selection, can be respectively by first welding disk 2341 and described second Welding disk 2342 is respectively arranged in first flexible circuit board 231 and second flexible circuit board 232, according to described One voice coil leads 222 make adaptive change with 223 present position of the second voice coil leads.

Please continue to refer to Fig. 2.There are two second vibrating diaphragm 24 is set, two correspondences of second vibrating diaphragm 24 are fixed on described in two Separate 22 side of voice coil of flexible circuit board 23.

The magnetic circuit system 30 includes the magnetic being fixedly connected with one end far from first vibrating diaphragm 21 of the frame 10 Yoke 31, assemble in the magnetic yoke 31 main magnet steel 32 and secondary magnet steel 33, the main pole core 34 that is attached on the main magnet steel 32 and The consequent pole core 35 being attached on the secondary magnet steel 33, the main magnet steel 32 form magnetic gap with the secondary interval of magnet steel 33 setting, The voice coil 22 is at least partially disposed in the magnetic gap.

The main magnet steel 32 is equipped with from close 23 1 side surface of flexible circuit board to far from the flexible circuit board 23 directions are recessed the first recessed portion 321 to be formed.Specifically, two described first is recessed there are two first recessed portion 321 sets Concave portion 321 respectively corresponds first flexible circuit board 231 and second flexible circuit board 232 setting.

The second recessed portion 341, second welding disk are equipped at corresponding first recessed portion 321 of the main pole core 34 2342 is corresponding in the space that first recessed portion 321 is surrounded with second recessed portion 341.Specifically, described second There are two recessed portion 341 is set, corresponding two first recessed portion 321 of two second recessed portions 341 is arranged.

It is understood that first recessed portion 321 is with second recessed portion 341 for avoiding second pad Portion 2342, so that the vibrational system 20, in vibration processes, the main magnet steel 32 will not be to the vibration with the main pole core 34 Dynamic system 20 is interfered, and is influenced the vibrational system 20 and is vibrated.

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

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 and with the first vibrating diaphragm phase To and flexibly support the flexible circuit board of the voice coil, which is characterized in that the voice coil includes voice coil ontology and from the voice coil The first voice coil leads and the second voice coil leads that ontology extends, the voice coil ontology include close to first vibrating diaphragm side Voice coil body upper surface and the voice coil ontology lower surface opposite with the voice coil body upper surface, first voice coil leads are located at Close to voice coil body upper surface side, second voice coil leads are located at close to voice coil ontology lower surface side, institute Stating flexible circuit board includes the main part connecting with the voice coil ontology and the welding disk connecting with the main part, the pad Portion includes the first welding disk and the second welding disk, and first welding disk is located at close to voice coil body upper surface side, institute The second welding disk is stated close to voice coil ontology lower surface side, the first voice coil leads correspondence is welded in first pad Portion, the second voice coil leads correspondence are welded in second welding disk.

2. loudspeaker according to claim 1, which is characterized in that the main part includes first fixed with the voice coil Fixed part, second fixed part fixed with the frame and the elastic force for connecting first fixed part Yu second fixed part Arm, first welding disk is connect with first fixed part with second welding disk, and first welding disk is located at Close second fixed part side of first fixed part, second welding disk are located at the separate of first fixed part Second fixed part side.

3. loudspeaker according to claim 2, which is characterized in that first fixed part includes close to the voice coil side The first upper surface, the first lower surface for being oppositely arranged with first upper surface and connect first upper surface and described the First side surface of a lower surface, first welding disk extend from first upper surface to close to first vibrating diaphragm direction It is formed, second welding disk is extended to form from first side surface to far from second fixed part direction.

4. loudspeaker according to claim 3, which is characterized in that first welding disk includes from first upper surface The linking arm that is extended to form to first vibrating diaphragm direction and from the linking arm far from first upper surface one end to separate The welding arm that the voice coil direction bending extends, first voice coil leads are corresponding to weld with the welding arm.

5. loudspeaker according to claim 4, which is characterized in that the welding arm is parallel to each other with second welding disk Setting.

6. 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 is stated, assemble and the main magnet steel in the magnetic yoke and secondary magnet steel, is attached at the master Main pole core on magnet steel and the consequent pole core being attached on the secondary magnet steel, the main magnet steel and the pair magnet steel interval are arranged to be formed Magnetic gap, the voice coil are at least partially disposed in the magnetic gap.

7. loudspeaker according to claim 6, which is characterized in that the main magnet steel is equipped with from close to the flexible circuitry One side surface of plate is recessed the first recessed portion to be formed to far from the flexible circuit board direction, and the second welding disk correspondence is located at In first recessed portion.

8. loudspeaker according to claim 7, which is characterized in that the main pole core corresponds to be equipped at first recessed portion Second recessed portion, second welding disk is corresponding to be located in the space that first recessed portion and second recessed portion surround.