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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- fpcb
- driving source
- voice coil
- speaker
- vibrating
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- 101001045744 Sus scrofa Hepatocyte nuclear factor 1-beta Proteins 0.000 title claims abstract description 30
- 238000003466 welding Methods 0.000 claims abstract description 4
- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims description 18
- 230000005611 electricity Effects 0.000 claims description 2
- 238000005452 bending Methods 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 abstract description 3
- 101100117380 Drosophila melanogaster dome gene Proteins 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 239000000084 colloidal system Substances 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
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 an acoustics field, more specifically relates to an adopt FPCB to connect speaker of driving source.
Background
The loudspeaker is an important electronic component widely used in electronic products, and may be called as a "horn", which is a very common electroacoustic transducer. In practical application, the audio frequency electric energy enables the diaphragm to vibrate surrounding air to make sound through electromagnetic, piezoelectric or electrostatic effects. In thin electronic devices such as liquid crystal televisions and notebook computers, it is required to reduce the thickness of the speaker as much as possible while ensuring the performance of the speaker, so as to meet the needs of the thin electronic devices.
The driving source and the external circuit in the traditional loudspeaker are usually connected by using a common wire, wherein the installation and use process of the wire are complex, the connection between a voice coil lead and the external circuit easily causes the unstable performance of the loudspeaker, and various problems such as disconnection of the voice coil lead and the like easily occur in the use process.
SUMMERY OF THE UTILITY MODEL
In view of the above problem, the utility model aims at providing an adopt FPCB to connect speaker of driving source adopts this kind of adoption FPCB to connect speaker of driving source, can save space, and when the vibrating diaphragm vibrates, voice coil loudspeaker voice coil, FPCB and lead wire welding department vibrate along with the vibrating diaphragm is synchronous, can avoid the fracture of the voice coil loudspeaker voice coil lead wire that causes because the vibration of vibrating diaphragm.
The utility model provides a loudspeaker adopting FPCB to connect with driving source, comprising at least four vibrating diaphragms, a driving source and a FPCB; the two groups of diaphragms formed by all the diaphragms move relative to each other; the DOME of each vibrating diaphragm is respectively provided with a connecting point, the connecting points on the DOME of the vibrating diaphragms are connected with the inner connecting rods and the vibrating diaphragms, the inner connecting rods connected with the spaced vibrating diaphragms are connected through outer connecting rods, and the inner connecting rods connected with the adjacent vibrating diaphragms are connected through different outer 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.
Wherein, preferred structure is, and FPCB is rectangular shape, buckles FPCB to the both ends of FPCB after will buckling respectively with the lead wire and the external circuit connection of voice coil loudspeaker voice coil.
The diaphragm comprises a ball top part positioned in the center of the diaphragm; the lead wire connection of the voice coil is connected with the top of the ball of the vibrating diaphragm.
Among them, it is preferable that the FPCB is bent in a "U" shape or a "clip" shape.
Wherein, preferred structure is that FPCB's both ends are provided with the pad respectively, and the pad of FPCB's one end and the pin connection of voice coil loudspeaker voice coil, the pad and the outer circuit connection of FPCB's the other end realize the electric connection of speaker and outer circuit.
Among them, it is preferable that an end of the FPCB connected to the lead wire of the voice coil is connected by soldering.
Among them, it is preferable that one end of the FPCB connected to the external circuit is fixed to a housing of the speaker.
Preferably, the FPCB is fixedly coupled to the speaker housing by bonding or engaging.
Preferably, the drive source is a moving coil drive source.
According to the technical scheme provided by the utility model, the utility model discloses an adopt FPCB to connect the speaker of driving source, connect inner circuit and external circuit through FPCB, can save space, the voice coil loudspeaker voice coil lead wire that combines with the vibrating diaphragm moreover directly welds with FPCB's pad, and during the vibrating diaphragm vibration, voice coil loudspeaker voice coil, FPCB and lead wire welding department along with vibrating diaphragm synchronous oscillation, can avoid because the fracture of the voice coil loudspeaker voice coil lead wire that the vibration of vibrating diaphragm caused.
Drawings
Other objects and results of the present invention will become more apparent and more readily appreciated as the same becomes better understood by reference to the following description and appended claims, taken in conjunction with the accompanying drawings. In the drawings:
fig. 1 is a schematic structural diagram of a speaker using an FPCB to connect a driving source according to an embodiment of the present invention;
fig. 2 is a cross-sectional view of a speaker employing an FPCB to connect a driving source according to an embodiment of the present invention.
Wherein the reference numerals include: diaphragm 1, ball top 11, driving source 2, shell 3, FPCB 4.
The same reference numbers in all figures indicate similar or corresponding features or functions.
Detailed Description
Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.
In the following description, for the purposes of illustration, in the following description of embodiments of the invention, the rigid part in the center of the diaphragm, the DOME and "DOME" represent the same part of the diaphragm.
Fig. 1 shows a structure of a speaker using an FPCB to connect a driving source according to an embodiment of the present invention.
As shown in fig. 1, the structure of the speaker using the FPCB to connect the driving source of the embodiment of the present invention includes at least four diaphragms 1, a driving source 2, and an FPCB 4; the spaced vibrating diaphragms 1 form a group of vibrating diaphragms, all the vibrating diaphragms form two groups of vibrating diaphragms in a conformal mode, and the two groups of vibrating diaphragms 1 move relative to each other; the DOME of each vibrating diaphragm 1 is respectively provided with a connecting point, the connecting points on the DOME of the vibrating diaphragms are connected with the inner connecting rods and the vibrating diaphragms, the inner connecting rods connected with the spaced vibrating diaphragms are connected through the outer connecting rods, and the inner connecting rods connected with the adjacent vibrating diaphragms are connected through different outer 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.
The FPCB (Flexible Printed Circuit Board, FPCB or FPC for short) is in a strip shape, one end of the FPCB is connected with the voice coil lead by using a bonding pad on the FPCB in the process of electrically connecting the voice coil lead, and the other end of the FPCB is connected with the shell by using colloid, wherein the voice coils can be flexibly connected in a series, parallel or series-parallel combination mode.
In addition, the diaphragm includes the ball top that is located the diaphragm central point and the hem ring portion all around, and the lead wire of voice coil loudspeaker voice coil also can be connected with the ball top of diaphragm. In this case, the lead wire of the voice coil is connected to the FPCB and also to the dome portion of the diaphragm, and the dome portion of the diaphragm is indirectly connected to the FPCB.
It should be noted that the specific shape of the FPCB may be a "U" shape or a "clip" shape. The specific shape can be adjusted according to the requirement condition of the electronic device, the position of the bonding pad is not limited to one condition, and other arrangement positions can be selected according to the specific product requirement.
Wherein, driving source 2 includes voice coil loudspeaker voice coil and magnetic circuit, and this magnetic circuit passes through the skeleton of voice coil loudspeaker voice coil and is connected with the ball top of vibrating diaphragm, and voice coil loudspeaker voice coil pin connection is in FPCB 4's one end, and FPCB4 at this moment plays the effect of connecting interior circuit, passes through the colloid at the FPCB4 other end and is connected with the shell, under the condition of being connected with outer circuit, plays electrically conductive effect, realizes the connection effect of inside and outside circuit.
The following describes the present invention in detail with reference to a specific embodiment.
The speaker of this embodiment includes 4 vibrating diaphragms, interior connecting rod, outer connecting rod, driving source and FPCB.
The four vibrating diaphragms are distributed in parallel, from bottom to top, the vibrating diaphragm 1, the vibrating diaphragm 2, the vibrating diaphragm 3 and the vibrating diaphragm 4 are respectively arranged, a connecting point is respectively arranged on the rigid middle part of each vibrating diaphragm, the connecting point positioned on one vibrating diaphragm 1 is arranged on a long shaft of the rigid middle part of the vibrating diaphragm, the vibrating diaphragm 1 and the vibrating diaphragm 3 are connected with an internal connecting rod through the connecting point, and then the vibrating diaphragm 1 and the vibrating diaphragm 3 which are connected with the internal connecting rod are connected through an external connecting rod to form a first group of vibrating diaphragms; wherein, the internal connecting rod includes short connecting rod and long connecting rod, and the distribution of short connecting rod and long connecting rod in first group vibrating diaphragm is crisscross each other.
The number of the connecting points on the diaphragm is two or one along the long axis direction of the rigid middle part of the diaphragm. Under the condition by two tie points, the installation of in-connection pole and outer connecting rod is symmetrical, in addition, also can be under the circumstances of guaranteeing the normal work of vibrating diaphragm, set up a tie point, the unilateral condition of using the connecting rod promptly, save raw and other materials, alleviate speaker weight.
In addition, the vibrating diaphragm 2 and the vibrating diaphragm 4 are connected with an inner connecting rod through a connecting point, and then the vibrating diaphragm 2 and the vibrating diaphragm 4 which are connected with the inner connecting rod are connected through an outer connecting rod to form a second group of vibrating diaphragms; wherein, the distribution of the long connecting rod and the short connecting rod of in-connection pole 5 in the vibrating diaphragm of second group is crisscross each other, and in the originated vibrating diaphragm of first group vibrating diaphragm and second group vibrating diaphragm, the distribution of the long connecting rod and the short connecting rod of in-connection pole is crisscross each other. Wherein the driving source is electrically connected to an external circuit through the FPCB.
The utility model discloses an among the concrete embodiment, FPCB4 buckles and is "U" shape structure, and both ends parallel with vibrating diaphragm 1, and the inner space of this kind of structure of FPCB4 can make full use of speaker to avoided vibrating diaphragm 1 vibration in-process because the broken string that the tractive of lead wire caused.
In addition, it should be noted that a pad is disposed on the FPCB4, and a glue is disposed on one surface thereof for fixing to the housing, and the connection with the voice coil lead and the external circuit is realized through the pad, which plays a role of electrical conduction. The FPCB and the speaker housing may be fixed by a snap-fit method, in addition to being fixed by adhesion.
Specifically, fig. 2 shows a cross section of a speaker employing an FPCB to connect a driving source according to an embodiment of the present invention.
As shown in fig. 2, according to the utility model discloses an adopt FPCB to connect speaker of driving source, install driving source 2 in the position of vibrating diaphragm 1 one side, driving source 2 appears in pairs, is located the both sides of the vibrating diaphragm that the multi-disc is parallel to each other to symmetric distribution. Wherein, the driving source 2 includes voice coil loudspeaker voice coil and magnetic circuit, and magnetic circuit wherein installs on the shell 3 that is provided with the mounting hole, is connected with adjacent vibrating diaphragm through the voice coil loudspeaker voice coil skeleton, is provided with the voice coil loudspeaker voice coil lead wire on the voice coil loudspeaker voice coil, and this voice coil loudspeaker voice coil lead wire links to each other with FPCB4 through the pad that is located on FPCB4, and this FPCB 4's the other end passes through the colloid and is connected with shell 3, and wherein, the pad of the one end that FPCB4 links to each other with shell 3 is used for being connected with outer.
It should be noted that, in the use of the FPCB4, in the case of ensuring that the number of FPCBs 4 used by the two-end drive source 2 is the same, a plurality of FPCB devices can be used at one end of the drive source 2 at the same time, thereby improving the conduction efficiency.
In a specific embodiment of the present invention, a colloid is coated on one side of the FPCB for fixedly connecting the FPCB to the housing.
According to the above embodiment, the utility model provides an adopt FPCB to carry out the speaker of driving source adopts FPCB electricity to connect driving source and external circuit, compares in ordinary wire connected mode, adopts FPCB can make manufacturing process simplify, saves the inner space of speaker to can improve the stability of speaker, do not have the broken string problem of voice coil loudspeaker voice coil lead wire, simple process.
The speaker using the FPCB connection driving source according to the present invention has been described above by way of example with reference to the accompanying drawings. However, it should be understood by those skilled in the art that various modifications can be made to the speaker adopting the FPCB to connect the driving source according to the present invention without departing from the scope of the present invention. Therefore, the scope of the present invention should be determined by the content of the appended claims.
Claims (9)
1. A loudspeaker adopting an FPCB to connect with a driving source is characterized by comprising at least four vibrating diaphragms, the driving source and the FPCB; wherein,
the spaced vibrating diaphragms form a group of vibrating diaphragms, and the two groups of vibrating diaphragms formed by all the vibrating diaphragms move relative to each other; the DOME of each vibrating diaphragm is respectively provided with a connecting point, the connecting points on the DOME of the vibrating diaphragms are connected with the inner connecting rods and the vibrating diaphragms, the inner connecting rods connected with the spaced vibrating diaphragms are connected through outer connecting rods, and the inner connecting rods connected with the adjacent vibrating diaphragms are connected through different outer connecting rods;
the driving source comprises a voice coil and a magnetic circuit;
one end of the FPCB is connected with the lead wire of the voice coil, and the other end of the FPCB is connected with an external circuit.
2. The speaker using the FPCB connection driving source according to claim 1,
FPCB is rectangular shape, will FPCB buckles to the both ends of FPCB after will buckling respectively with the lead wire of voice coil loudspeaker voice coil with external circuit connects.
3. The speaker using the FPCB connection driving source according to claim 1,
the vibrating diaphragm comprises a ball top part positioned in the center of the vibrating diaphragm;
and the lead wire of the voice coil is connected with the top of the ball of the vibrating diaphragm.
4. The speaker using the FPCB connection driving source according to claim 2,
bending the FPCB into a U shape or a clip shape.
5. The speaker using the FPCB connection driving source according to claim 1,
the both ends of FPCB are provided with the pad respectively, the pad of FPCB's one end with the pin connection of voice coil loudspeaker voice coil, the pad of FPCB's the other end with outer circuit connection realizes the speaker is connected with the electricity of outer circuit.
6. The speaker using the FPCB connection driving source according to claim 1,
the FPCB with the one end that the lead wire of voice coil loudspeaker voice coil is connected through the welding.
7. The speaker using the FPCB connection driving source according to claim 6,
the FPCB with the shell of speaker is through the mode fixed combination of bonding or block.
8. The speaker using the FPCB connection driving source according to claim 1,
one end of the FPCB connected with an external circuit is fixed on the shell of the loudspeaker.
9. The speaker using the FPCB connection driving source according to claim 1,
the driving source is a moving coil type driving 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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| 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 |
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| Country | Link |
|---|---|
| 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. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140709 |