CN210183530U - Conductive supporting component of micro loudspeaker - Google Patents
Conductive supporting component of micro loudspeaker Download PDFInfo
- Publication number
- CN210183530U CN210183530U CN201921276009.XU CN201921276009U CN210183530U CN 210183530 U CN210183530 U CN 210183530U CN 201921276009 U CN201921276009 U CN 201921276009U CN 210183530 U CN210183530 U CN 210183530U
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- Prior art keywords
- voice coil
- connecting portion
- centering
- lead wire
- coil loudspeaker
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- WABPQHHGFIMREM-UHFFFAOYSA-N lead(0) Chemical compound [Pb] WABPQHHGFIMREM-UHFFFAOYSA-N 0.000 claims abstract description 29
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 25
- 229910052802 copper Inorganic materials 0.000 claims description 13
- 239000010949 copper Substances 0.000 claims description 13
- 239000011889 copper foil Substances 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000013039 cover film Substances 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 6
- 229910000831 Steel Inorganic materials 0.000 claims description 5
- 239000010959 steel Substances 0.000 claims description 5
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000000758 substrate Substances 0.000 claims description 4
- 241000239290 Araneae Species 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims 1
- 230000010287 polarization Effects 0.000 abstract description 6
- 238000003466 welding Methods 0.000 abstract description 5
- 238000004904 shortening Methods 0.000 abstract description 4
- 239000012790 adhesive layer Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000010408 film Substances 0.000 description 1
- 230000035945 sensitivity Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000844 transformation Methods 0.000 description 1
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- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model relates to the technical field of loudspeakers, in particular to a conductive supporting component of a miniature loudspeaker, which comprises a voice coil and a centering support sheet; the end angle department of a voice coil loudspeaker voice coil terminal surface is equipped with the voice coil loudspeaker voice coil lead wire, two and more centering piece and the voice coil loudspeaker voice coil lead wire one-to-one welding that sets up at the end angle department of voice coil loudspeaker voice coil, centering piece is including the first connecting portion, cantilever and the second connecting portion that connect gradually, first connecting portion or second connecting portion and voice coil loudspeaker voice coil lead wire connection. Compare in traditional speaker conductive structure, utilize centering support chip to realize switching on of voice coil loudspeaker voice coil and external power source, very big shortening the length of voice coil loudspeaker voice coil lead wire, improved traditional voice coil loudspeaker voice coil lead wire and pulled the phenomenon that leads to droing or even broken string, reduced the polarization that the vibration subassembly during operation produced, make the more stable vibration from top to bottom of vibration system.
Description
Technical Field
The utility model relates to a speaker technical field especially relates to a miniature speaker electrically conducts support component.
Background
At present, the micro loudspeaker and the receiver used by the mobile terminal are mostly moving coil loudspeakers; the moving-coil loudspeaker comprises a magnetic circuit system, a vibration system and a basin frame for accommodating and fixing the magnetic circuit system and the vibration system. The vibration assembly includes a voice coil and a support member. The supporting part is a vibrating diaphragm, so that the polarization generated when the vibrating component works can be weakened, and the phenomena of sound performance reduction and poor listening of electronic products caused by polarization are avoided. The voice coil loudspeaker voice coil is welded with the shell bonding pad of the micro loudspeaker through two voice coil loudspeaker voice coil leads to be connected with an external circuit, two voice coil loudspeaker voice coil lead wire outlet points are led out from the voice coil loudspeaker voice coil located at one end of the micro loudspeaker in the traditional design, and then the inner cavity of the micro loudspeaker is extended out from the other end of the micro loudspeaker to the two side edges of the micro loudspeaker. Because two voice coil loudspeaker voice coil lead wires will run through whole micro loudspeaker's inner chamber, so need solidify the voice coil loudspeaker voice coil lead wire, at present, mainly be with the gluing machine with the voice coil loudspeaker voice coil line fixed to the inside wall of shell, this kind of fixed mode is when the voice coil loudspeaker voice coil lead wire when voice coil loudspeaker voice coil up-and-down motion, very easily drops even broken string, poor stability because of dragging from the shell.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the present invention provides a micro speaker conductive support member with good stability.
In order to solve the technical problem, the utility model discloses a technical scheme be: a conductive support component of a micro-speaker comprises a voice coil and a centering support sheet;
the end angle department of a voice coil loudspeaker voice coil terminal surface is equipped with the voice coil loudspeaker voice coil lead wire, two and more centering piece and the voice coil loudspeaker voice coil lead wire one-to-one welding that sets up at the end angle department of voice coil loudspeaker voice coil, centering piece is including the first connecting portion, cantilever and the second connecting portion that connect gradually, first connecting portion or second connecting portion and voice coil loudspeaker voice coil lead wire connection.
In an optional embodiment, the centering branch piece is a flexible conductive plate, and the flexible conductive plate includes a cover film, an adhesive layer, a substrate, a copper foil wire and a reinforcing plate, which are sequentially stacked.
In an optional embodiment, the cover film and the substrate are made of any one of PI, PU, PEI, PEEK, PPS, PEN, TPR, or TPE.
In an optional embodiment, the copper foil material of the copper foil trace is electrolytic copper, rolled copper or high-ductility electrolytic copper.
In an alternative embodiment, the material of the stiffening plate is steel.
In an optional embodiment, the number of the centering branch pieces is four, each centering branch piece is provided with a first bonding pad welded with a lead of a voice coil, the first bonding pad is arranged on the first connecting portion or the second connecting portion, and each centering branch piece is provided with a second bonding pad welded with a power supply.
In an alternative embodiment, an R corner is provided at an end corner of the voice coil, and the voice coil lead is provided at the R corner.
In an alternative embodiment, the conductive support member of the micro-speaker further includes a sub-diaphragm bonded to a side of the spider away from the voice coil.
In an optional embodiment, the micro-speaker conductive support component further comprises an annular washer, wherein an installation table used for adhering the centering support sheet is arranged on the annular washer, and a positioning groove and a blank pressing groove used for installing the basin stand are arranged on the annular washer.
The beneficial effects of the utility model reside in that: the utility model provides a miniature speaker electrically conducts supporting component, includes voice coil loudspeaker voice coil and centering piece, compares in traditional speaker conductive structure, utilizes centering piece to realize switching on of voice coil loudspeaker voice coil and external power source, very big shortening the length of voice coil loudspeaker voice coil lead wire, improved traditional voice coil loudspeaker voice coil lead wire and pulled the phenomenon that leads to droing or even broken string, reduced the polarization that the vibration subassembly during operation produced, make the more stable up-and-down vibration of vibration system.
Drawings
Fig. 1 is a schematic structural diagram of a conductive supporting member of a micro-speaker according to an embodiment of the present invention;
fig. 2 is another schematic structural diagram of the conductive supporting member of the micro-speaker according to the embodiment of the present invention;
description of reference numerals:
1-a voice coil; 11-voice coil leads; angle 12-R;
2-centering the supporting sheet; 21-a first connection; 22-a cantilever; 23-a second connection;
3-secondary vibrating diaphragm;
4-ring washer.
Detailed Description
In order to explain the technical content, the objects and the effects of the present invention in detail, the following description is made with reference to the accompanying drawings in combination with the embodiments.
Referring to fig. 1 and 2, a conductive supporting member for a micro-speaker of the present invention includes a voice coil and a centering pad;
the end angle department of a voice coil loudspeaker voice coil terminal surface is equipped with the voice coil loudspeaker voice coil lead wire, two and more centering piece and the voice coil loudspeaker voice coil lead wire one-to-one welding that sets up at the end angle department of voice coil loudspeaker voice coil, centering piece is including the first connecting portion, cantilever and the second connecting portion that connect gradually, first connecting portion or second connecting portion and voice coil loudspeaker voice coil lead wire connection.
From the above description, the beneficial effects of the present invention are: the utility model provides a miniature speaker electrically conducts supporting component, includes voice coil loudspeaker voice coil and centering piece, compares in traditional speaker conductive structure, utilizes centering piece to realize switching on of voice coil loudspeaker voice coil and external power source, very big shortening the length of voice coil loudspeaker voice coil lead wire, improved traditional voice coil loudspeaker voice coil lead wire and pulled the phenomenon that leads to droing or even broken string, reduced the polarization that the vibration subassembly during operation produced, make the more stable up-and-down vibration of vibration system.
Furthermore, the centering branch piece is a flexible conductive plate, and the flexible conductive plate comprises a cover film, an adhesive layer, a base material, a copper foil wiring and a reinforcing plate which are sequentially stacked.
As can be seen from the above description, the reinforcing plate enhances the structural strength, improving the influence of the horn on the support member.
Furthermore, the cover film and the base material are made of any one of PI, PU, PEI, PEEK, PPS, PEN, TPR or TPE.
As can be seen from the above description, PI material is preferred.
Furthermore, the copper foil material of the copper foil routing is electrolytic copper, rolled copper or high-ductility electrolytic copper.
As can be seen from the above description, high ductility electrolytic copper is preferred.
Furthermore, the material of stiffening plate is steel.
As can be seen from the above description, the stiffening plate can be made of steel plate, and the structure is firm and stable.
Furthermore, the number of the centering branch pieces is four, each centering branch piece is provided with a first bonding pad welded with a lead of the voice coil, the first bonding pad is arranged on the first connecting portion or the second connecting portion, and each centering branch piece is provided with a second bonding pad welded with the power supply.
As can be seen from the above description, the strength and stability of the structure can be ensured and the sensitivity of the speaker can be enhanced by using such a welded structure.
Furthermore, an R angle is arranged at the end angle of the voice coil, and the lead of the voice coil is arranged at the R angle.
As can be seen from the above description, the R angle has the effect of improving structural stability and protection.
Furthermore, the conductive support component of the micro-speaker further comprises a sub-diaphragm, and the sub-diaphragm is bonded to one side of the centering disk, which is far away from the voice coil.
Furthermore, the miniature loudspeaker conductive support component further comprises an annular washer, wherein the annular washer is provided with an installation platform for bonding the centering support piece, and the annular washer is provided with a positioning groove and a blank holder groove for installing the basin stand.
Referring to fig. 1 and fig. 2, a first embodiment of the present invention is: a conductive supporting component of a micro-speaker comprises a voice coil 1 and a centering support 2;
the end angle department of 1 terminal surface of voice coil loudspeaker voice coil is equipped with voice coil loudspeaker voice coil lead wire 11, two and more centering piece 2 and the voice coil loudspeaker voice coil lead wire 11 one-to-one welding that sets up at the end angle department of voice coil loudspeaker voice coil 1, centering piece 2 is including the first connecting portion 21, cantilever 22 and the second connecting portion 23 that connect gradually, first connecting portion 21 or second connecting portion 23 and voice coil loudspeaker voice coil lead wire 11 are connected.
Referring to fig. 1 and fig. 2, a second embodiment of the present invention is: a conductive supporting component of a micro-speaker comprises a voice coil 1 and a centering support 2;
the end angle department of 1 terminal surface of voice coil loudspeaker voice coil is equipped with voice coil loudspeaker voice coil lead wire 11, two and more centering piece 2 and the voice coil loudspeaker voice coil lead wire 11 one-to-one welding that sets up at the end angle department of voice coil loudspeaker voice coil 1, centering piece 2 is including the first connecting portion 21, cantilever 22 and the second connecting portion 23 that connect gradually, first connecting portion 21 or second connecting portion 23 and voice coil loudspeaker voice coil lead wire 11 are connected.
The centering support piece 2 is a flexible conductive plate, and the flexible conductive plate comprises a covering film, an adhesive layer, a base material, copper foil wiring and a reinforcing plate which are sequentially stacked. The cover film and the base material are made of any one of PI, PU, PEI, PEEK, PPS, PEN, TPR or TPE. Preferably PI material. The copper foil material of the copper foil routing is electrolytic copper, rolled copper or high-ductility electrolytic copper. The reinforcing plate is made of steel. The number of the centering fins 2 is four, and each centering fin 2 is provided with a first bonding pad welded with the voice coil lead 11, the first bonding pad is arranged on the first connecting portion 21 or the second connecting portion 23, and each centering fin 2 is provided with a second bonding pad welded with a power supply. An R angle 12 is arranged at the end angle of the voice coil 1, and the voice coil lead 11 is arranged at the R angle 12. The conductive support component of the micro loudspeaker further comprises a secondary vibrating diaphragm 3, and the secondary vibrating diaphragm 3 is bonded to one side, away from the voice coil 1, of the centering disk 2. The miniature loudspeaker conductive support component further comprises an annular washer 4, wherein the annular washer 4 is provided with an installation platform for bonding the centering support piece 2, and the annular washer 4 is provided with a positioning groove and a blank holder groove for installing a basin stand.
To sum up, the utility model provides a miniature speaker electrically conducts support parts, including voice coil loudspeaker voice coil and centering piece, compare in traditional speaker conductive structure, utilize centering piece to realize switching on of voice coil loudspeaker voice coil and external power source, very big shortening the length of voice coil loudspeaker voice coil lead wire, improved traditional voice coil loudspeaker voice coil lead wire and pulled the phenomenon that leads to droing even broken string, reduced the polarization that the vibration subassembly during operation produced, make the more stable up-and-down vibration of vibration system.
The above mentioned is only the embodiment of the present invention, and not the limitation of the patent scope of the present invention, all the equivalent transformations made by the contents of the specification and the drawings, or the direct or indirect application in the related technical field, are included in the patent protection scope of the present invention.
Claims (9)
1. A conductive supporting component of a micro-speaker is characterized by comprising a voice coil and a centering support sheet;
the end angle department of a voice coil loudspeaker voice coil terminal surface is equipped with the voice coil loudspeaker voice coil lead wire, more than two centering piece welds with the voice coil loudspeaker voice coil lead wire one-to-one that sets up at the end angle department of voice coil loudspeaker voice coil, centering piece is including first connecting portion, cantilever and the second connecting portion that connect gradually, first connecting portion or second connecting portion and voice coil loudspeaker voice coil lead wire connection.
2. The conductive support component of claim 1, wherein the centering branch piece is a flexible conductive plate, and the flexible conductive plate comprises a cover film, a glue layer, a substrate, a copper foil wire and a reinforcing plate which are sequentially stacked.
3. The conductive support member of claim 2, wherein the cover film and the substrate are made of any one of PI, PU, PEI, PEEK, PPS, PEN, TPR, and TPE.
4. The conductive support component of claim 2, wherein the copper foil of the copper foil trace is electrolytic copper, rolled copper or high ductility electrolytic copper.
5. The conductive support member for a micro-speaker as claimed in claim 2, wherein the material of the stiffening plate is steel.
6. The conductive support component of claim 1, wherein the number of the centering branch pieces is four, each centering branch piece is provided with a first bonding pad welded with a lead of a voice coil, the first bonding pad is arranged on the first connecting portion or the second connecting portion, and each centering branch piece is provided with a second bonding pad welded with a power supply.
7. The conductive support member for a micro-speaker as claimed in claim 1, wherein the voice coil is provided with an R-corner at an end corner thereof, and the voice coil lead is provided at the R-corner.
8. The conductive micro-speaker support member as claimed in claim 1, further comprising a sub-diaphragm bonded to a side of the spider remote from the voice coil.
9. The conductive support component for the micro-speaker according to claim 1, further comprising an annular washer, wherein the annular washer is provided with a mounting table for bonding the centering support, and the annular washer is provided with a positioning groove and a blank holder groove for mounting the frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276009.XU CN210183530U (en) | 2019-08-06 | 2019-08-06 | Conductive supporting component of micro loudspeaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921276009.XU CN210183530U (en) | 2019-08-06 | 2019-08-06 | Conductive supporting component of micro loudspeaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210183530U true CN210183530U (en) | 2020-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921276009.XU Active CN210183530U (en) | 2019-08-06 | 2019-08-06 | Conductive supporting component of micro loudspeaker |
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| Country | Link |
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| CN (1) | CN210183530U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238073A1 (en) * | 2020-05-25 | 2021-12-02 | 歌尔股份有限公司 | Sound generation device, and electronic apparatus |
-
2019
- 2019-08-06 CN CN201921276009.XU patent/CN210183530U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021238073A1 (en) * | 2020-05-25 | 2021-12-02 | 歌尔股份有限公司 | Sound generation device, and electronic apparatus |
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Address after: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee after: Weishi Technology Co.,Ltd. Country or region after: China Address before: 3 / F, building A5, No. 463, South Ring Road, Heyi community, Shajing street, Bao'an District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN SUNWAY ACOUSTICS TECHNOLOGY Co.,Ltd. Country or region before: China |