CN208638682U - Loudspeaker - Google Patents
Loudspeaker Download PDFInfo
- Publication number
- CN208638682U CN208638682U CN201821294032.7U CN201821294032U CN208638682U CN 208638682 U CN208638682 U CN 208638682U CN 201821294032 U CN201821294032 U CN 201821294032U CN 208638682 U CN208638682 U CN 208638682U
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- CN
- China
- Prior art keywords
- coating
- hole
- vibrational system
- circuit board
- flexible circuit
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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.)
- Expired - Fee Related
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model provides a kind of loudspeaker.The loudspeaker includes frame, vibrational system, magnetic circuit system and elastic supporting member for supporting optical member, elastic supporting member for supporting optical member includes flexible circuit board, flexible circuit board includes flexible circuit board ontology, the first welding disk and the second welding disk, vibrational system is electrically connected with flexible circuit board by the first welding disk, extraneous power supply is electrically connected with flexible circuit board by the second welding disk, flexible circuit board ontology includes the first coating, copper foil layer, glue-line and the second coating, and the first welding disk and the second welding disk are connect with copper foil layer.Flexible circuit board is made of single layer copper foil in loudspeaker provided by the utility model, save the cost, and flexible circuit board includes the first coating, copper foil layer, glue-line and the second coating, and copper foil layer is located between the first coating and the second coating, stable structure；The second welding disk by being fixed on frame bottom is connected to extraneous power supply, and the more reasonable Structural assignments of loudspeaker may be implemented, meet microminiaturization demand.
Description
[technical field]
The utility model relates to acoustic-electric field more particularly to a kind of loudspeakers.
[background technique]
With the development of electronic technology, multi-functional, the high tone quality to adapt to various stereo sets and information communication device
Demand, for the acoustical behavior of loudspeaker, more stringent requirements are proposed.
In the related technology, loudspeaker includes the flexible circuit board for being electrically connected with the external world, and flexible circuit board uses two layers
Copper foil production, higher cost；It is made up of and is connected metallization VIA between two layers of copper foil, complex manufacturing technology, and copper foil layer
Between via hole reliability step it is low, be unfavorable for the development of loudspeaker acoustical behavior.
Therefore, it is really necessary to provide a kind of new loudspeaker solution above-mentioned technical problem.
[utility model content]
A kind of the purpose of this utility model is to provide structures simple, the good loudspeaker of acoustical behavior.
In order to achieve the above object, loudspeaker provided by the utility model includes the frame with accommodating space, is contained in
Described in vibrational system in the accommodating space, the magnetic circuit system for driving the vibrational system vibration sounding and resilient support
Vibrational system and the elastic supporting member for supporting optical member for being used to be connected to the vibrational system and extraneous power supply, the elastic supporting member for supporting optical member include support institute
The flexible circuit board of vibrational system is stated, the flexible circuit board includes flexible circuit board ontology, close to the one of the vibrational system
First welding disk of side and the second welding disk of the side far from the vibrational system, the vibrational system and the flexible circuit
Plate is electrically connected by first welding disk, and external world's power supply is electrically connected with the flexible circuit board by second welding disk
It connects, the flexible circuit board ontology includes close to the first coating of the vibrational system, with first coating far from institute
The side for stating vibrational system connect and have the glue-line of container, be contained in the container copper foil layer and with the copper foil layer
The second coating that side far from first coating connects, first welding disk run through first coating and institute
It states glue-line to connect with the copper foil layer, second welding disk is connect through second coating with the copper foil layer.
Preferably, first coating, second coating are fixedly connected by the glue-line.
Preferably, the glue-line includes direction of vibration first the running through through the glue-line two sides along the vibrational system
Hole, first through hole are connected to the container.
Preferably, first coating includes the direction of vibration along the vibrational system through first coating two
Side and the second through hole being connected to first through hole, second through hole and the first through hole face are arranged.
Preferably, second through hole and first through hole are cylindrical hole, and second through hole with
The diameter of first through hole is identical.
Preferably, first welding disk sequentially passes through second through hole and first through hole and the copper foil
The upper surface of layer abuts.
Preferably, second coating includes the direction of vibration along the vibrational system through second coating two
Side and the third through hole being connected to the container, second welding disk pass through the third through hole and the copper foil layer
Lower surface abut.
Preferably, first coating and second coating are Kapton.
Preferably, the glue-line is acroleic acid hot melt glue.
Preferably, the vibrational system include for vibration sounding the first vibrating diaphragm, be located at below first vibrating diaphragm simultaneously
Voice coil leads for driving the voice coil of the first diaphragm oscillations sounding and extending from the voice coil, the flexible circuit board
The voice coil is connect and flexibly supported with the voice coil, and the voice coil leads are electrically connected with first welding disk.
Compared with the relevant technologies, in loudspeaker provided by the utility model, flexible circuit board is made of single layer copper foil, is saved
About cost, the flexible circuit board include the first coating, copper foil layer, glue-line and the second coating, and the copper foil layer is located in
Between first coating and the second coating, it is possible to prevente effectively from the oxidation loss of the copper foil layer, stable structure；And
And the loudspeaker is connected to by being fixed on the second welding disk of frame bottom with extraneous power supply, and the loudspeaker may be implemented
More reasonable Structural assignments meet microminiaturization demand.
[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 loudspeaker provided by the utility model；
Fig. 2 is the decomposition texture schematic diagram of loudspeaker shown in FIG. 1；
Fig. 3 is another angled arrangement schematic diagram of flexible circuit board shown in Fig. 2；
Fig. 4 is cross-sectional view of the loudspeaker shown in FIG. 1 along line A-A；
Fig. 5 is structural schematic diagram of the flexible circuit board ontology without copper foil layer shown in Fig. 2；
Fig. 6 is the connection knot of flexible circuit board ontology shown in Fig. 2 and first welding disk and second welding disk
Structure schematic diagram.
[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 to Fig. 4, the utility model provides a kind of loudspeaker 100.The loudspeaker 100 includes having
The frame 1 of accommodating space, the vibrational system 2 being contained in the accommodating space, the elasticity branch of the resilient support vibrational system 2
Support member 3, the magnetic circuit system 4 for driving 2 vibration sounding of vibrational system.
The frame 1 is used to accommodate and protect other devices of the loudspeaker 100.
1 rectangular frame-shaped of frame comprising the long side wall 11 and be set to two institutes that two opposite parallel intervals are arranged
It states 11 both ends of long side wall and is separately connected two short side walls 12 of two long side walls 11, the long side wall 11 and the short side
Wall 12 is integrally formed, and cooperatively forms the accommodating space of the frame 1.
The vibrational system 2 is used for vibration sounding, specifically, the vibrational system 2 includes first for vibration sounding
Vibrating diaphragm 21, positioned at first vibrating diaphragm, 21 lower section and for driving the voice coil 22 of 21 vibration sounding of the first vibrating diaphragm and described in
The voice coil leads 23 that voice coil 22 extends.Further, the quantity of the voice coil leads 23 is two, two voice coil leads
23 are distributed in the inner side and outer side of the voice coil 22, one of them described voice coil leads 23 is used for the inflow of electric current, another institute
State outflow of the voice coil leads 23 for electric current.
The elastic supporting member for supporting optical member 3 for flexibly support the voice coil 22 and with the voice coil 22, the voice coil leads 23 and
Extraneous power supply cooperatively forms current loop.
Please refer to figs. 2 and 3, the elastic supporting member for supporting optical member 3 include flexibly support the voice coil 22 flexible circuit board 31 and
Positioned at second vibrating diaphragm 32 flexible circuit board 31 lower section and connect with the flexible circuit board 31.
The flexible circuit board 31 includes flexible circuit board ontology 311 and the flexible circuit board ontology 311 close to described
Vibrational system 2 side connection the first welding disk 312 and with the flexible circuit board ontology 311 far from the vibrational system 2
Side connection the second welding disk 313, the voice coil 22 passes through 312 electricity of the first welding disk with the flexible circuit board 31
Connection, external world's power supply are electrically connected with the flexible circuit board 31 by second welding disk 313.The flexible circuit board
31 quantity is two, and two flexible circuit boards 31 are symmetrical arranged about the central axes of the long side wall 11.The flexibility
31 one end of circuit board is fixedly connected with the short side wall 12, and the other end is fixedly connected with the voice coil 22.
The quantity of first welding disk 312 be two, two first welding disks 312 respectively with two voice coils
Lead 23 is correspondingly arranged；The quantity of second welding disk 313 is also two, and two second welding disks 313 are about described
The central axes of short side wall 12 are symmetrical arranged.
Fig. 5 and Fig. 6 is please referred to, the flexible circuit board ontology 311 includes the first coating close to the vibrational system 2
3111, connect with first coating 3111 far from the side of the vibrational system 2 and have container 10 glue-line 3112,
It is contained in the copper foil layer 3113 of the container 10 and the side with the copper foil layer 3113 far from first coating 3111
Second coating 3114 of connection.The opening of the container 10 is towards second coating 3114.
First coating 3111 is fixedly connected with second coating 3114 by the glue-line 3112, to described
Copper foil layer 3113 is covered, and the glue-line 3112 is acroleic acid hot melt glue, can increase by first coating 3111 and institute
The bonding strength for stating the second coating 3114 reinforces the structural stability of the flexible circuit board ontology 311.
The glue-line 3112 includes direction of vibration first the passing through through 3112 two sides of glue-line along the vibrational system 2
Perforation 20, first through hole 20 is cylindrical hole, and is connected to the container 10.
The copper foil layer 3113 is contained in the container 10, plays conductive effect, special with low surface oxygen
Property, various different substrate materials, such as metal, insulating materials etc. can be attached to, wider temperature use scope is possessed.The copper simultaneously
The size of layers of foil 3113 and the size of the container 10 match, and on the one hand can guarantee that the installation of the copper foil layer 3113 is steady
It is qualitative, on the other hand, effectively the copper foil layer 3113 can be isolated from the outside, the oxidation of the copper foil layer 3113 is avoided to damage
Consumption.
First coating 3111 includes the direction of vibration along the vibrational system 2 through first coating 3111
Second through hole 30 of two sides, second through hole 30 are connected to first through hole 20, it is preferred that described second runs through
Hole 30 and first through hole 20 are cylindrical hole, and second through hole 30 is set with 20 face of the first through hole
It sets, and second through hole 30 is identical as the diameter of first through hole 20.First welding disk 312 sequentially passes through institute
It states the second through hole 30 and first through hole 20 is abutted with the upper surface of the copper foil layer 3113.It should be noted that institute
The upper surface for stating copper foil layer 3113 is the one side of the close vibrational system 2.
Second coating 3114 includes the direction of vibration along the vibrational system 2 through second coating 3114
The third through hole 40 of two sides, the third through hole 40 are connected to the container 10.Second welding disk 313 passes through institute
Third through hole 40 is stated to abut with the lower surface of the copper foil layer 3113.It should be noted that the following table of the copper foil layer 3113
Face is the one side far from the vibrational system 2.
Further, first coating 3111 and second coating 3114 are Kapton, are had prominent
High temperature resistant out, radiation hardness, resistant to chemical etching and electrical insulation capability can be avoided described with copper foil layer 3113 described in effective protection
The damage of flexible circuit board ontology 31 extends the service life of the loudspeaker 100.
First welding disk 312 and second welding disk 313 are made of soluble metal material, using plating or
The mode that person prints high temperature is fixedly connected with the flexible circuit board ontology 311, it is preferred that first welding disk 312 and institute
The second welding disk 313 is stated to be made of metallic tin.Specifically, first welding disk 312 and second welding disk 313 are and institute
The connection of copper foil layer 3113 is stated, for realizing the conducting of circuit.
Second vibrating diaphragm 32 is used to reinforce the vibration of first vibrating diaphragm 21, and can prevent the inclined of first vibrating diaphragm 21
Vibration, improves the acoustical behavior of the loudspeaker 100.
The magnetic circuit system 4 for driving 2 vibration sounding of vibrational system, specifically, the magnetic circuit system 4 include with
Main magnet steel 42 assigned in 41 center of magnetic yoke of magnetic yoke 41 that the frame 1 is fixedly connected, group, group assigned in the magnetic yoke 41 simultaneously
Around main magnet steel 42 setting with formed the secondary magnet steel 43 of magnetic gap, be attached at the main pole core 44 of 42 top of main magnet steel with
And it is attached at the consequent pole core 45 of the secondary magnet steel.
In the present embodiment, the magnetic yoke 41 is bowl structure, and the main magnet steel 42 is attached at the center of the magnetic yoke 41,
The pair magnet steel 43 is strip, and quantity is two, and two secondary magnet steel 43 are symmetrically set in 42 two sides of main magnet steel.Institute
It states main magnet steel 42 and the secondary interval of magnet steel 43 forms magnetic gap, the voice coil 22 is suspended in the magnetic gap.
The main pole core 44 and the consequent pole core 45 are made of permeability magnetic material, play the role of magnetic conduction.
Compared with the relevant technologies, in loudspeaker 100 provided by the utility model, flexible circuit board ontology 311 uses single layer
Copper foil is made, save the cost, and the flexible circuit board ontology 311 includes the first coating 3111, glue-line 3112, copper foil layer 3113
And second coating 3114, the copper foil layer 3113 be located in first coating 3111 and second coating 3114 it
Between, it is possible to prevente effectively from the oxidation loss of the copper foil layer 3113, stable structure；Moreover, the loudspeaker 100 is by being located at institute
The second welding disk 313 for stating 1 bottom of frame is connected to extraneous power supply, and the loudspeaker 100 more reasonable structure row may be implemented
Cloth meets microminiaturization demand.
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 (10)
1. a kind of loudspeaker, including with accommodating space frame, be contained in the accommodating space vibrational system, for driving
It moves the magnetic circuit system of the vibrational system vibration sounding and flexibly supports the vibrational system and be used to be connected to the vibrational system
With the elastic supporting member for supporting optical member of extraneous power supply, which is characterized in that the elastic supporting member for supporting optical member includes the flexible electrical for supporting the vibrational system
Road plate, the flexible circuit board include flexible circuit board ontology, close to the first welding disk of the side of the vibrational system and remote
Second welding disk of the side from the vibrational system, the vibrational system and the flexible circuit board pass through first pad
Portion's electrical connection, external world's power supply are electrically connected with the flexible circuit board by second welding disk, the flexible circuit board
Ontology includes connecting close to the first coating of the vibrational system, with first coating far from the side of the vibrational system
It connects and has the glue-line of container, be contained in the copper foil layer of the container and with the copper foil layer far from first coating
Side connection the second coating, first welding disk is through first coating and the glue-line and the copper foil layer
Connection, second welding disk are connect through second coating with the copper foil layer.
2. loudspeaker according to claim 1, which is characterized in that first coating, second coating pass through
The glue-line is fixedly connected.
3. loudspeaker according to claim 1, which is characterized in that the glue-line includes along the vibration side of the vibrational system
To the first through hole for running through the glue-line two sides, first through hole is connected to the container.
4. loudspeaker according to claim 3, which is characterized in that first coating includes along the vibrational system
The second through hole that direction of vibration runs through first coating two sides and is connected to first through hole, described second runs through
Hole and the first through hole face are arranged.
5. loudspeaker according to claim 4, which is characterized in that second through hole and first through hole are
Cylindrical hole, and second through hole is identical as the diameter of first through hole.
6. loudspeaker according to claim 4, which is characterized in that first welding disk, which sequentially passes through described second, to be run through
Hole and first through hole are abutted with the upper surface of the copper foil layer.
7. loudspeaker according to claim 1, which is characterized in that second coating includes along the vibrational system
The third through hole that direction of vibration runs through second coating two sides and is connected to the container, second welding disk are worn
The third through hole is crossed to abut with the lower surface of the copper foil layer.
8. loudspeaker according to claim 1, which is characterized in that first coating and second coating are poly-
Imide membrane.
9. loudspeaker according to claim 1, which is characterized in that the glue-line is acroleic acid hot melt glue.
10. loudspeaker according to claim 1, which is characterized in that the vibrational system includes for vibration sounding
One vibrating diaphragm, below first vibrating diaphragm and for driving the voice coil of the first diaphragm oscillations sounding and prolonging from the voice coil
The voice coil leads of stretching, the flexible circuit board connect with the voice coil and flexibly support the voice coil, the voice coil leads with
The first welding disk electrical connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294032.7U CN208638682U (en) | 2018-08-10 | 2018-08-10 | Loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821294032.7U CN208638682U (en) | 2018-08-10 | 2018-08-10 | Loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208638682U true CN208638682U (en) | 2019-03-22 |
Family
ID=65741563
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821294032.7U Expired - Fee Related CN208638682U (en) | 2018-08-10 | 2018-08-10 | Loudspeaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208638682U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110572746A (en) * | 2019-08-19 | 2019-12-13 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN112019991A (en) * | 2019-05-31 | 2020-12-01 | 鹏鼎控股(深圳)股份有限公司 | Voice coil, manufacturing method of voice coil and loudspeaker |
| CN112468908A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker enclosure and method of assembling the same |
-
2018
- 2018-08-10 CN CN201821294032.7U patent/CN208638682U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112019991A (en) * | 2019-05-31 | 2020-12-01 | 鹏鼎控股(深圳)股份有限公司 | Voice coil, manufacturing method of voice coil and loudspeaker |
| CN112019991B (en) * | 2019-05-31 | 2022-04-01 | 鹏鼎控股(深圳)股份有限公司 | Voice coil, manufacturing method of voice coil and loudspeaker |
| CN110572746A (en) * | 2019-08-19 | 2019-12-13 | 歌尔股份有限公司 | A conducting film and sound generating mechanism for sound generating mechanism |
| CN112468908A (en) * | 2020-12-18 | 2021-03-09 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker enclosure and method of assembling the same |
| CN112468908B (en) * | 2020-12-18 | 2022-03-01 | 瑞声新能源发展(常州)有限公司科教城分公司 | Loudspeaker enclosure and method of assembling the same |
| WO2022126782A1 (en) * | 2020-12-18 | 2022-06-23 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box and assembly method therefor |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190322 Termination date: 20210810 |