CN203708478U - Loudspeaker adopting FPCB to connect driving source - Google Patents
Loudspeaker adopting FPCB to connect driving source Download PDFInfo
- Publication number
- CN203708478U CN203708478U CN201420050376.9U CN201420050376U CN203708478U CN 203708478 U CN203708478 U CN 203708478U CN 201420050376 U CN201420050376 U CN 201420050376U CN 203708478 U CN203708478 U CN 203708478U
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- Prior art keywords
- fpcb
- voice coil
- vibrating diaphragm
- drive source
- loud speaker
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- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 title claims abstract description 77
- 238000003466 welding Methods 0.000 claims abstract description 4
- 238000005452 bending Methods 0.000 claims description 5
- 230000033001 locomotion Effects 0.000 claims description 3
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 101100117380 Drosophila melanogaster dome gene Proteins 0.000 abstract 2
- 239000000084 colloidal system Substances 0.000 description 5
- 238000009826 distribution Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 239000004020 conductor Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
Abstract
The utility model provides a loudspeaker adopting a FPCB to connect a driving source. The loudspeaker comprises at least four vibrating diaphragms, a driving source and a FPCB. The separated vibrating diaphragms form a set of vibrating diaphragms. The two groups of vibrating diaphragms are moved relatively. The DOME of each vibrating diaphragm is provided with a connecting point separately. An internal connecting rod and the vibrating diaphragms are connected through the connecting points on the DOMEs of the vibrating diaphragms. The internal connecting rods connected with the separated vibrating diaphragms are connected through an external connecting rod. The internal connecting rods connected with adjacent vibrating diaphragms are connected through different external connecting rods. The driving source comprises a voice coil and a magnetic circuit. One end of the FPCB is connected with the lead of the voice coil, and the other end of the FPCB is connected with an external circuit. Through the loudspeaker adopting the FPCB to connect the driving source of the utility model, when the vibrating diaphragms are vibrated, the voice coil, the FPCB and the lead welding portions are subjected to synchronous vibration along with the vibrating diaphragms, so the voice coil lead fracture caused by the vibration of the vibrating diaphragms can be avoided.
Description
Technical field
The utility model relates to field of acoustics, more specifically, relates to the loud speaker that a kind of FPCB of employing connects drive source.
Background technology
Loud speaker is the important electronic component of one that is widely used in electronic product, can be described as again " loudspeaker ", is a kind of very conventional electro-acoustic transducer device.In practical application, audio frequency electric energy, by electromagnetism, piezoelectricity or electrostatic effect, makes its diaphragm vibration surrounding air cause sound equipment.In as the thin type electronic device such as LCD TV, notebook computer, require to reduce its thickness on the basis that ensures speaker performance, to adapt to the needs of thin type electronic device as far as possible.
Drive source in conventional loudspeakers is connected the common wire of use conventionally and connects with external circuit, wherein, all more complicated of the installation of wire and operation, and, in use easily there is the variety of issues such as voice coil leads broken string in the unstable properties that easily causes loud speaker that is connected of voice coil leads and external circuit.
Utility model content
In view of the above problems, the purpose of this utility model is to provide the loud speaker that a kind of FPCB of employing connects drive source, adopt this employing FPCB to connect the loud speaker of drive source, can save space, in the time that vibrating diaphragm vibrates, voice coil loudspeaker voice coil, FPCB and wire bonds place, with vibrating diaphragm synchronous vibration, can avoid the fracture of the voice coil leads causing due to the vibration of membrane of shaking.
The employing FPCB that the utility model provides connects the loud speaker of drive source, comprises at least four vibrating diaphragms, drive source and FPCB; Wherein, vibrating diaphragm separately forms one group of vibrating diaphragm, all film formed two groups of vibrating diaphragm motions respect to one another of shaking; On the DOME of each vibrating diaphragm, be respectively arranged with tie point, connect inside connecting rod and vibrating diaphragm by the tie point on the DOME of vibrating diaphragm, between the inside connecting rod that vibrating diaphragm is separately connected, connect by outer tie rod, and connect by different outer tie rods between the inside connecting rod that is connected of adjacent vibrating diaphragm; Drive source comprises voice coil loudspeaker voice coil and magnetic circuit; One end of FPCB is connected with the lead-in wire of voice coil loudspeaker voice coil, and the other end of FPCB is connected with external circuit.
Wherein, preferred structure is that FPCB is strip, FPCB is bent, and the two ends of the FPCB after bending are connected with lead-in wire and the external circuit of voice coil loudspeaker voice coil respectively.
Wherein, preferred structure is that vibrating diaphragm comprises the ball top that is positioned at vibrating diaphragm center; The lead-in wire of voice coil loudspeaker voice coil connects and is connected with the ball top of vibrating diaphragm.
Wherein, preferred structure is that FPCB bending is to " U " shape or " clip " shape.
Wherein, preferred structure is, the two ends of FPCB are respectively arranged with pad, and the pad of one end of FPCB is connected with the lead-in wire of voice coil loudspeaker voice coil, and the pad of the other end of FPCB is connected with external circuit, realizes being electrically connected of loud speaker and external circuit.
Wherein, preferred structure is that FPCB is connected by welding with one end that the lead-in wire of voice coil loudspeaker voice coil is connected.
Wherein, preferred structure is that one end that FPCB is connected with external circuit is fixed on the shell of loud speaker.
Wherein, preferred structure is, FPCB with the shell of loud speaker by mode secure bond bonding or that engage.
Wherein, preferred structure is that drive source is moving-coil type drive source.
From technical scheme above, employing FPCB of the present utility model connects the loud speaker of drive source, connect internal circuit and external circuit by FPCB, can save space, and directly welding with the pad of FPCB with the membrane-bound voice coil leads of shaking, when vibrating diaphragm vibration, voice coil loudspeaker voice coil, FPCB and wire bonds place, with vibrating diaphragm synchronous vibration, can avoid the fracture of the voice coil leads causing due to the vibration of membrane of shaking.
Brief description of the drawings
By reference to the content below in conjunction with the description of the drawings and claims, and along with understanding more comprehensively of the present utility model, other object of the present utility model and result will be understood and easy to understand more.In the accompanying drawings:
Fig. 1 shows the structural representation that connects the loud speaker of drive source according to the employing FPCB of the utility model embodiment;
Fig. 2 shows the profile that connects the loud speaker of drive source according to the employing FPCB of the utility model embodiment.
Reference numeral wherein comprises: vibrating diaphragm 1, ball top 11, drive source 2, shell 3, FPCB4.
In institute's drawings attached, identical label is indicated similar or corresponding feature or function.
Embodiment
Below with reference to accompanying drawing, specific embodiment of the utility model is described in detail.
In the following description, in the object of explanation, below in the statement of the utility model specific embodiment, the same position of the rigidity position at vibrating diaphragm center, ball top and " DOME " expression vibrating diaphragm.
Fig. 1 shows the structure that connects the loud speaker of drive source according to the employing FPCB of the utility model embodiment.
As shown in Figure 1, the structure of the loud speaker of the employing FPCB of the utility model embodiment connection drive source comprises at least four vibrating diaphragms 1, drive source 2 and FPCB4; Wherein, vibrating diaphragm 1 separately forms one group of vibrating diaphragm, and all vibrating diaphragms form two groups of vibrating diaphragms altogether, two groups of vibrating diaphragm 1 motions respect to one another; On the DOME of each vibrating diaphragm 1, be respectively arranged with tie point, connect inside connecting rod and vibrating diaphragm by the tie point on the DOME of vibrating diaphragm, between the inside connecting rod that vibrating diaphragm is separately connected, connect by outer tie rod, and connect by different outer tie rods between the inside connecting rod that is connected of adjacent vibrating diaphragm; Drive source comprises voice coil loudspeaker voice coil and magnetic circuit; One end of FPCB is connected with the lead-in wire of voice coil loudspeaker voice coil, and the other end of FPCB is connected with external circuit.
Wherein, FPCB(Flexible Printed Circuit Board, be called for short FPCB or FPC, flexible print wiring board) be shaped as strip, in the process of electrical connection voice coil leads, utilize the pad on FPCB that its one end is connected with voice coil leads, the other end is realized and being connected of shell by colloid, wherein, between voice coil loudspeaker voice coil, can connect flexibly in the mode of series, parallel or connection in series-parallel combination.
In addition, vibrating diaphragm comprises the ball top of vibrating diaphragm center and the ring portion of surrounding of being positioned at, and the lead-in wire of voice coil loudspeaker voice coil also can be connected with the ball top of vibrating diaphragm.In this case, the lead-in wire of voice coil loudspeaker voice coil is connected with FPCB, is also connected with the ball top of vibrating diaphragm, and the ball top of vibrating diaphragm links together with FPCB indirectly.
It should be noted that, the concrete shape of FPCB can be " U " shape or " clip " shape.Concrete shape can be adjusted according to the conditions of demand of electronic installation, and the position of pad is also not limited to a kind of situation, can select according to concrete product demand other setting position.
Wherein, drive source 2 comprises voice coil loudspeaker voice coil and magnetic circuit, this magnetic circuit is connected by the skeleton of voice coil loudspeaker voice coil and the ball top of vibrating diaphragm, voice coil leads is connected to one end of FPCB4, in FPCB4 now plays and connects, the effect of circuit, is connected with shell by colloid at the FPCB4 other end, in the situation that being connected with external circuit, play electric action, realize the connection function of inside and outside circuit.
To be described in detail concrete technical scheme of the present utility model with a specific embodiment below.
The loud speaker of the present embodiment comprises 4 vibrating diaphragms, inside connecting rod, outer tie rod, drive source and FPCB.
Wherein, four vibrating diaphragm distributions parallel to each other, be respectively from the bottom to top vibrating diaphragm 1, vibrating diaphragm 2, vibrating diaphragm 3 and vibrating diaphragm 4, on the rigidity middle part of every vibrating diaphragm, be respectively arranged with tie point, the tie point being positioned on a slice vibrating diaphragm 1 is arranged on the major axis of rigidity middle part of vibrating diaphragm, vibrating diaphragm 1 is connected with inside connecting rod by tie point with vibrating diaphragm 3, then the vibrating diaphragm 1 that is connected with inside connecting rod is connected by outer tie rod with vibrating diaphragm 3, forms first group of vibrating diaphragm; Wherein, inside connecting rod comprises short connecting rod and long connecting rod, and short connecting rod and the distribution of long connecting rod in first group of vibrating diaphragm are interlaced.
Wherein, the tie point on vibrating diaphragm is arranged on the long axis direction of the rigidity middle part of vibrating diaphragm, can have two, also can have one.By two tie points in the situation that, the installation of inside connecting rod and outer tie rod is symmetrical, in addition, also can, in the situation that ensureing the normal work of vibrating diaphragm, a tie point be set, i.e. the situation of monolateral use connecting rod, saves raw material, alleviates loud speaker weight.
In addition, vibrating diaphragm 2 is connected with inside connecting rod by tie point with vibrating diaphragm 4, then the vibrating diaphragm 2 that is connected with inside connecting rod is connected by outer tie rod with vibrating diaphragm 4, form second group of vibrating diaphragm; Wherein, the distribution in second group of vibrating diaphragm of the long connecting rod of inside connecting rod 5 and short connecting rod is interlaced, and in the initial vibrating diaphragm of first group of vibrating diaphragm and second group of vibrating diaphragm, the long connecting rod of inside connecting rod and the distribution of short connecting rod are interlaced.Wherein, drive source is electrically connected with external circuit by FPCB.
In an embodiment of the present utility model, FPCB4 bending is " U " shape structure, two ends parallel with vibrating diaphragm 1, and this structure of FPCB4 can make full use of the inner space of loud speaker, and have avoided the broken string causing due to the tractive of lead-in wire in vibrating diaphragm 1 vibration processes.
In addition, it should be noted that and on FPCB4, be provided with pad, and be provided with colloid in its one side, fixing for shell, realized with being connected by pad of voice coil leads and external circuit, played electricity and led effect.Wherein, the shell of FPCB and loud speaker, except being fixed by bonding, also can be fixed by the mode of engaging.
Particularly, Fig. 2 shows the section that connects the loud speaker of drive source according to the employing FPCB of the utility model embodiment.
As shown in Figure 2, connect the loud speaker of drive source according to the employing FPCB of the utility model embodiment, in the position of vibrating diaphragm 1 one sides, drive source 2 is installed, described drive source 2 is to occur in pairs, is positioned at the both sides of the vibrating diaphragm that multi-disc is parallel to each other, and symmetrical.Wherein, drive source 2 comprises voice coil loudspeaker voice coil and magnetic circuit, magnetic circuit is wherein arranged on the shell 3 that is provided with installing hole, be connected with adjacent vibrating diaphragm by speech coil framework, be provided with voice coil leads on voice coil loudspeaker voice coil, this voice coil leads is connected with FPCB4 by the pad being positioned on FPCB4, the other end of this FPCB4 is connected with shell 3 by colloid, wherein, the pad of FPCB4 one end connected with shell 3 for being connected of external circuit, in realizing, external circuit is electrically connected.
Wherein, it should be noted that, in the use procedure of FPCB4, in the case of guaranteeing that FPCB4 quantity that two ends drive source 2 uses is identical, can use in one end of drive source 2 multiple FPCB devices simultaneously, improve electrical efficiency.
In an embodiment of the present utility model, the one side of FPCB is covered with colloid, for being fixedly connected with of FPCB and shell.
Can find out by above-mentioned execution mode, the employing FPCB that the utility model provides carries out the loud speaker of drive source, adopt FPCB electrical connection drive source and external circuit, be compared to common side connecting conductor formula, adopt FPCB can make simplified manufacturing process, save the inner space of loud speaker, and can improve the stability of loud speaker, the broken string problem that does not have voice coil leads, technique is simple.
The loud speaker that connects drive source according to the employing FPCB the utility model proposes has been described in the mode of example above with reference to accompanying drawing.But, it will be appreciated by those skilled in the art that the employing FPCB proposing for above-mentioned the utility model connects the loud speaker of drive source, can also make various improvement on the basis that does not depart from the utility model content.Therefore, protection range of the present utility model should be determined by the content of appending claims.
Claims (9)
1. adopt FPCB to connect a loud speaker for drive source, it is characterized in that, comprise at least four vibrating diaphragms, drive source and FPCB; Wherein,
Vibrating diaphragm separately forms one group of vibrating diaphragm, all film formed two groups of vibrating diaphragm motions respect to one another of shaking; On the DOME of each vibrating diaphragm, be respectively arranged with tie point, connect inside connecting rod and described vibrating diaphragm by the tie point on the DOME of described vibrating diaphragm, between the inside connecting rod that vibrating diaphragm is separately connected, connect by outer tie rod, and connect by different outer tie rods between the inside connecting rod that is connected of adjacent vibrating diaphragm;
Described drive source comprises voice coil loudspeaker voice coil and magnetic circuit;
One end of described FPCB is connected with the lead-in wire of described voice coil loudspeaker voice coil, and the other end of described FPCB is connected with external circuit.
2. employing FPCB as claimed in claim 1 connects the loud speaker of drive source, it is characterized in that,
Described FPCB is strip, described FPCB is bent, and the two ends of the FPCB after bending are connected with lead-in wire and the described external circuit of described voice coil loudspeaker voice coil respectively.
3. employing FPCB as claimed in claim 1 connects the loud speaker of drive source, it is characterized in that,
Described vibrating diaphragm comprises the ball top that is positioned at vibrating diaphragm center;
The lead-in wire of described voice coil loudspeaker voice coil connects and is connected with the ball top of described vibrating diaphragm.
4. employing FPCB as claimed in claim 2 connects the loud speaker of drive source, it is characterized in that,
Described FPCB bending is to " U " shape or " clip " shape.
5. employing FPCB as claimed in claim 1 connects the loud speaker of drive source, it is characterized in that,
The two ends of described FPCB are respectively arranged with pad, and the pad of one end of described FPCB is connected with the lead-in wire of described voice coil loudspeaker voice coil, and the pad of the other end of described FPCB is connected with described external circuit, realize being electrically connected of described loud speaker and external circuit.
6. employing FPCB as claimed in claim 1 connects the loud speaker of drive source, it is characterized in that,
Described FPCB is connected by welding with one end that the lead-in wire of described voice coil loudspeaker voice coil is connected.
7. employing FPCB as claimed in claim 6 connects the loud speaker of drive source, it is characterized in that,
Described FPCB with the shell of described loud speaker by mode secure bond bonding or that engage.
8. employing FPCB as claimed in claim 1 connects the loud speaker of drive source, it is characterized in that,
One end that described FPCB is connected with external circuit is fixed on the shell of described loud speaker.
9. adopt as claimed in claim 1 FPCB to connect the loud speaker of drive source, it is characterized in that,
Described drive source is moving-coil type drive source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050376.9U CN203708478U (en) | 2014-01-26 | 2014-01-26 | Loudspeaker adopting FPCB to connect driving source |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420050376.9U CN203708478U (en) | 2014-01-26 | 2014-01-26 | Loudspeaker adopting FPCB to connect driving source |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203708478U true CN203708478U (en) | 2014-07-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420050376.9U Expired - Lifetime CN203708478U (en) | 2014-01-26 | 2014-01-26 | Loudspeaker adopting FPCB to connect driving source |
Country Status (1)
| Country | Link |
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| CN (1) | CN203708478U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822111A (en) * | 2015-03-31 | 2015-08-05 | 歌尔声学股份有限公司 | Loudspeaker module |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
-
2014
- 2014-01-26 CN CN201420050376.9U patent/CN203708478U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104822111A (en) * | 2015-03-31 | 2015-08-05 | 歌尔声学股份有限公司 | Loudspeaker module |
| KR20170058426A (en) * | 2015-03-31 | 2017-05-26 | 고어텍 인크 | Loudspeaker module |
| CN104822111B (en) * | 2015-03-31 | 2018-10-12 | 歌尔股份有限公司 | A kind of loud speaker module |
| KR101965083B1 (en) * | 2015-03-31 | 2019-04-02 | 고어텍 인크 | Loudspeaker module |
| CN108322874A (en) * | 2018-03-19 | 2018-07-24 | 歌尔股份有限公司 | A kind of loud speaker and electronic equipment |
| CN108322874B (en) * | 2018-03-19 | 2019-09-17 | 歌尔股份有限公司 | A kind of loudspeaker and electronic equipment |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee after: GOERTEK Inc. Address before: 261031 Dongfang Road, Weifang high tech Industrial Development Zone, Shandong, China, No. 268 Patentee before: Goertek Inc. |
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| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |