CN207978121U - Moving-coil structure and loud speaker - Google Patents
Moving-coil structure and loud speaker Download PDFInfo
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- CN207978121U CN207978121U CN201820435277.0U CN201820435277U CN207978121U CN 207978121 U CN207978121 U CN 207978121U CN 201820435277 U CN201820435277 U CN 201820435277U CN 207978121 U CN207978121 U CN 207978121U
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Abstract
The utility model provides a kind of moving-coil structure and loud speaker, moving-coil structure, including FPC, the FPC includes FPC base materials and conductor, and the FPC includes main part and several bending parts, the bending part is bent to main part side, the conductor is set on bending part, and the conductor on adjacent two bending part is interconnected, and the conductor of connection forms coil, described coil one end is communicated with the second pad, and the coil other end is communicated with the first pad.Loud speaker, including frame and magnetic circuit system, the magnetic circuit system include magnetic gap, further include moving-coil structure as described above, the bending part is in magnetic gap.By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that：Using FPC instead of before voice coil and top dome, make that technique is more succinct, and production efficiency is high, and it is high-power under be not in voice coil line broken string situation.
Description
Technical field
The utility model is related to electroacoustic techniques fields.
Specifically, being to be related to moving-coil structure and loud speaker.
Background technology
There are voice coil, voice coil to be in magnetic gap inside traditional Microspeaker, diaphragm, the diaphragm other end are bonded on voice coil
It is bonded in frame, in order to promote acoustical behavior, the rigid big top dome of bonding is needed on diaphragm.Voice coil by certain way realize and
Exterior power supply plant is connected to, and in the case of energization, magnetic field can apply driving force to voice coil, make it that vibrating diaphragm up-down vibration be driven
Compressed air sounding.
Existing voice coil is usually made of windings such as enameled wires such as enamel-cover oxygen-free copper-wire, copper-clad aluminum conductor, pure aluminum wire, and voice coil is pre-
The voice coil line of certain length, voice coil line is stayed to be welded on interiors of products pad, internal pads and external pads conducting come in fact
Now it is electrically connected.High-power lower voice coil line is it is possible that disconnection problem, seriously limits the promotion of product power.Moreover, sound
Circle bonding diaphragm, diaphragm bonding top dome technique is cumbersome, low production efficiency.
Utility model content
The purpose of the utility model is to overcome the shortcomings of above-mentioned traditional technology, provide a kind of dynamic moving-coil structure and raise
Sound device, simplifies technique, improves the reliability of product.
The purpose of this utility model is reached by following technical measures：
Moving-coil structure, including FPC, the FPC include FPC base materials and conductor, and the FPC includes main part and several bendings
Portion, the bending part are bent to main part side, and the conductor is set on bending part, and the conductor on adjacent two bending part is mutual
The conductor of connection, connection forms coil, and described coil one end is communicated with the second pad, and the coil other end is communicated with the first weldering
Disk.
As an improvement：The FPC base materials further include several interconnecting pieces, and second pad is set on interconnecting piece,
First plated through-hole and the first pad are set on interconnecting piece.
As an improvement：The interconnecting piece is set between adjacent two bending part.
As an improvement：The interconnecting piece includes breeze way, the cross sectional shape of breeze way be zigzag or waveform or
Arc.
As an improvement：The shape of the main part is polygon, and side and the bending part of the main part correspond
Setting.
As an improvement：The end conductor extends to close to the side of main part, and the conductor is to close to main part
The part that extends of side be used for in adjacent bend portion conductor or the second pad or the first pad be connected to.
As an improvement：The conductor is metal foil.
As an improvement：First pad is communicated with the first plated through-hole, and first plated through-hole is communicated with
Two plated through-holes, the coil other end are connect with the second plated through-hole.
As an improvement：The number of plies of each bending part upper conductor is at least two layers, and FPC base materials are located at adjacent two layers
Between conductor.
Loud speaker, including frame and magnetic circuit system, the magnetic circuit system include magnetic gap, further include moving-coil as described above
Structure, the bending part is in magnetic gap.
By adopting the above-described technical solution, compared with prior art, the utility model has the advantages that：It is replaced using FPC
Before voice coil and top dome, make that technique is more succinct, and production efficiency is high, and it is high-power under be not in that voice coil connects
Line broken string situation.
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Description of the drawings
Attached drawing 1 is a kind of structural schematic diagram of moving-coil structure in the utility model embodiment 1.
Attached drawing 2 is the structural schematic diagram of the middle sections Fig. 1 A-A.
Attached drawing 3 is a kind of structural schematic diagram of interconnecting piece in moving-coil structure in the utility model embodiment 1.
Attached drawing 4 is the structural schematic diagram after a kind of expansion of moving-coil structure in the utility model embodiment 1.
Attached drawing 5 is a kind of structural schematic diagram of moving-coil structure in the utility model embodiment 2.
Attached drawing 6 is the structural schematic diagram of the middle sections Fig. 5 B-B.
Attached drawing 7 is a kind of structural schematic diagram of interconnecting piece in moving-coil structure in the utility model embodiment 2.
Attached drawing 8 is a kind of structural schematic diagram of moving-coil structure in the utility model embodiment 3.
Attached drawing 9 is the structural schematic diagram of the middle sections Fig. 8 C-C.
Attached drawing 10 is a kind of structural schematic diagram of interconnecting piece in moving-coil structure in the utility model embodiment 3.
Attached drawing 11 is a kind of structural schematic diagram of loud speaker of the utility model.
Attached drawing 12 is the structural schematic diagram of moving-coil and frame in a kind of loud speaker of the utility model.
Attached drawing 13 is a kind of structural schematic diagram of loud speaker in background technology.
In figure：1- main parts；2- interconnecting pieces；3- bending parts；The first pads of 4-；The first plated through-holes of 5-；The second pads of 6-；
The second plated through-holes of 7-；8- conductors；9- FPC substrate layers；10- breeze ways；11- frame；12- diaphragms；13- magnetic gap；14- balls
Top；15- voice coils.
Specific implementation mode
A kind of loud speaker in background technology, as shown in Fig. 13, including frame 11 and magnetic circuit system, the magnetic circuit system
Including magnetic gap 13, it is equipped with voice coil 15 in the magnetic gap 13, is bonded with diaphragm 12 on voice coil 15,12 other end of diaphragm is bonded in
In frame 11, rigid top dome 14 is also bonded on voice coil 15.
Embodiment 1：As shown in attached drawing 1,2, moving-coil structure, including FPC, the FPC include three layers of FPC base materials 9 and two layers
Conductor 8, the FPC base materials 9 are made of polyimides or polyester film.
The FPC includes 1, four bending part 3 of main part and four interconnecting pieces 2,
Specifically, 1 shape of main part is rectangle, the main part 1 is equipped with the second plated through-hole 7.Bending part 3
It is set to 1 edge of main part, the shape of the bending part 3 is rectangle, and the four edges one of four bending parts 3 and main part 1 are a pair of
It should be arranged.The bending part 3 is bent to 1 side of main part, and the bending part 3 is vertically arranged with main part 1.
As shown in Fig. 3, the shape of the interconnecting piece 2 is strip, and the interconnecting piece 2 is set to adjacent two bending part 3
Between.Interconnecting piece 2 is arranged alternately with bending part 3.The interconnecting piece 2 includes breeze way 10, and the cross sectional shape of breeze way 10 is saw
Dentation.
Wherein 2 end of interconnecting piece is equipped with the second pad 6, and another 2 end of interconnecting piece is equipped with the first pad 4, and first
Pad 4 is equipped with the first plated through-hole 5, and first plated through-hole 5 is connected to the second plated through-hole 7.
As shown in Fig. 4, the conductor 8 is set on bending part 3, and the conductor 8 and the sides aligned parallel of main part 1 are set
It sets, the conductor 8 is copper foil, and the conductor 8 is between adjacent two pieces FPC base materials 9.8 phase of conductor on adjacent two bending part 3
Intercommunicated, the conductor 8 of connection forms coil.
Specifically, 8 end of the conductor extends to close to the side of main part 1.
Constitute the conductor 8 in coil stage casing to the part extended close to the side of main part 1 be used for in adjacent bend portion 3
Conductor 8 is connected to；The conductor 8 for constituting coil one end is connected to the second pad 6；Constitute the conductor 8 and the second metal of the coil other end
Change hole 7 to be connected to.
Embodiment 2：As shown in attached drawing 5,6, moving-coil structure, including FPC, the FPC include one layer of FPC base material 9 and two layers
Conductor 8, the FPC base materials 9 are made of polyimides or polyester film.
The FPC base materials 9 include 1, three bending part 3 of main part and three interconnecting pieces 2.
Specifically, 1 shape of main part is triangle, the main part 1 is equipped with the second plated through-hole 7.Bending
Portion 3 is set to 1 edge of main part, and the shape of the bending part 3 is rectangle, and three sides of three bending parts 3 and main part 1 are one by one
It is correspondingly arranged.The bending part 3 is bent to 1 side of main part, and the bending part 3 is vertically arranged with main part 1.
As shown in Fig. 7, the shape of the interconnecting piece 2 is strip, and the interconnecting piece 2 is set to adjacent two bending part 3
Between.Interconnecting piece 2 is arranged alternately with bending part 3.The interconnecting piece 2 includes breeze way 10, and the cross sectional shape of breeze way 10 is wave
Shape wave.
Wherein 2 end of interconnecting piece is equipped with the second pad 6, and another 2 end of interconnecting piece is equipped with the first pad 4, and first
Pad 4 is equipped with the first plated through-hole 5, and first plated through-hole 5 is connected to the second plated through-hole 7.
The conductor 8 is set on bending part 3, and the conductor 8 and the sides aligned parallel of main part 1 are arranged, and the conductor 8 is
Copper foil.One layer of conductor 8 is located at 9 inside of FPC base materials, and another layer of conductor 8 is located at 9 outside of FPC base materials.Adjacent two bending part 3
On conductor 8 be interconnected, the conductor 8 of connection forms coil.Coil one end is connected to the second pad 6；The coil other end and
Two plated through-holes 7 are connected to.
Remaining feature of the present embodiment is same as Example 1.
Embodiment 3：As shown in Figures 8 and 9, moving-coil structure, including FPC, the FPC include four layers of FPC base materials 9 and three layers
Conductor 8, the FPC base materials 9 are made of polyimides or polyester film.
The FPC base materials 9 include 1, five bending part 3 of main part and five interconnecting pieces 2,
Specifically, 1 shape of main part is pentagon, the main part 1 is equipped with the second plated through-hole 7.Bending
Portion 3 is set to 1 edge of main part, and the shape of the bending part 3 is rectangle, and five sides of five bending parts 3 and main part 1 are one by one
It is correspondingly arranged.The bending part 3 is bent to 1 side of main part, and the bending part 3 is vertically arranged with main part 1.
As shown in Fig. 10, the shape of the interconnecting piece 2 is strip, and the interconnecting piece 2 is set to adjacent two bending part 3
Between.Interconnecting piece 2 is arranged alternately with bending part 3.The interconnecting piece 2 includes breeze way 10, and the cross sectional shape of breeze way 10 is arc
Shape.
Wherein 2 end of interconnecting piece is equipped with the second pad 6, and another 2 end of interconnecting piece is equipped with the first pad 4, and first
Pad 4 is equipped with the first plated through-hole 5, and first plated through-hole 5 is connected to the second plated through-hole 7.
The conductor 8 is set on bending part 3, and the conductor 8 and the sides aligned parallel of main part 1 are arranged, and the conductor 8 is
Copper foil.The conductor 8 is between adjacent two pieces FPC base materials 9.Conductor 8 on adjacent two bending part 3 is interconnected, connection
Conductor 8 forms coil.Coil one end is connected to the second pad 6；The coil other end is connected to the second plated through-hole 7.
Remaining feature of the present embodiment is same as Example 1.
Embodiment 4：Loud speaker, includes the moving-coil structure as described in one of embodiment 1 to 3, this is sentenced including implementing
Illustrate for moving-coil structure described in example 1.
Further include frame 11 and magnetic circuit system, the shape of the frame 11 is rectangle, the magnetic as shown in attached drawing 11,12
Road system includes magnetic gap 13, and the bending part 3 is located in magnetic gap 13, and four interconnecting pieces 2 are Nian Jie with frame 11 respectively.First
Pad 4 and the second pad 6 are connect with speaker control circuitry.Diaphragm 12 is bonded on main part 1,12 other end of diaphragm is bonded in
In frame 11.
Four interconnecting pieces 2 are Nian Jie with frame 11, and symmetrical configuration, supportive is strong, and imbalance will not occur again in the vibration of diaphragm 12
Vibration Condition increases the Performance And Reliability surplus of product.
Several embodiments of the utility model are described in detail above, but the content is only the utility model
Preferred embodiment should not be considered as limiting the scope of the present invention.It is all to be made according to application scope of the utility model
All the changes and improvements etc., should all belong within the patent covering scope of the utility model.
Claims (10)
1. moving-coil structure, it is characterised in that：Including FPC, the FPC includes FPC base materials and conductor（8）, the FPC includes main body
Portion（1）With several bending parts（3）, the bending part（3）To main part（1）Side is bent, the conductor（8）It is set to bending part
（3）On, adjacent two bending part（3）On conductor（8）It is interconnected, the conductor of connection（8）Coil is formed, described coil one end connects
It is connected with the second pad（6）, the coil other end is communicated with the first pad（4）.
2. moving-coil structure according to claim 1, it is characterised in that：The FPC base materials further include several interconnecting pieces（2）,
Second pad（6）It is set to interconnecting piece（2）On, the first plated through-hole（5）With the first pad（4）It is disposed therein interconnecting piece
（2）On.
3. moving-coil structure according to claim 2, it is characterised in that：The interconnecting piece（2）It is set to adjacent two bending part
（3）Between.
4. moving-coil structure according to claim 2, it is characterised in that：The interconnecting piece（2）Including breeze way（16）, buffering
Section（16）Cross sectional shape be zigzag or waveform or arc.
5. moving-coil structure according to claim 1, it is characterised in that：The main part（1）Shape be polygon, it is described
Main part（1）Side and bending part（3）It is arranged in a one-to-one correspondence.
6. moving-coil structure according to claim 1, it is characterised in that：The conductor（8）End is to close to main part（1）'s
Side extends, the conductor（8）To close to main part（1）Side extend part be used for and adjacent bend portion（3）On lead
Body（8）Or second pad（6）Or first pad（4）Connection.
7. moving-coil structure according to claim 1, it is characterised in that：First pad（4）It is communicated with the first metallization
Hole（5）, first plated through-hole（5）It is communicated with the second plated through-hole（7）, the coil other end and the second plated through-hole
（7）Connection.
8. moving-coil structure according to any one of claims 1 to 7, it is characterised in that：Each bending part（3）Upper conductor
（8）The number of plies be at least two layers, FPC base materials are located at adjacent two layers conductor（8）Between.
9. moving-coil structure according to any one of claims 1 to 7, the conductor is metal foil.
10. loud speaker, including frame（11）And magnetic circuit system, the magnetic circuit system include magnetic gap（13）, it is characterised in that：Also
Including moving-coil structure as described in claim 1, the bending part（3）Positioned at magnetic gap（13）It is interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820435277.0U CN207978121U (en) | 2018-03-29 | 2018-03-29 | Moving-coil structure and loud speaker |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820435277.0U CN207978121U (en) | 2018-03-29 | 2018-03-29 | Moving-coil structure and loud speaker |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207978121U true CN207978121U (en) | 2018-10-16 |
Family
ID=63763335
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820435277.0U Active CN207978121U (en) | 2018-03-29 | 2018-03-29 | Moving-coil structure and loud speaker |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207978121U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600932A (en) * | 2018-03-29 | 2018-09-28 | 山东共达电声股份有限公司 | Moving-coil structure and preparation method thereof and loud speaker |
-
2018
- 2018-03-29 CN CN201820435277.0U patent/CN207978121U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108600932A (en) * | 2018-03-29 | 2018-09-28 | 山东共达电声股份有限公司 | Moving-coil structure and preparation method thereof and loud speaker |
| CN108600932B (en) * | 2018-03-29 | 2023-12-08 | 山东共达电声股份有限公司 | Moving coil, manufacturing method thereof and loudspeaker |
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