CN202535527U - Micro moving-coil acoustic generator - Google Patents
Micro moving-coil acoustic generator Download PDFInfo
- Publication number
- CN202535527U CN202535527U CN2011205692284U CN201120569228U CN202535527U CN 202535527 U CN202535527 U CN 202535527U CN 2011205692284 U CN2011205692284 U CN 2011205692284U CN 201120569228 U CN201120569228 U CN 201120569228U CN 202535527 U CN202535527 U CN 202535527U
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- fpc
- shell
- coil type
- acoustical generator
- miniature moving
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Abstract
The utility model discloses a micro moving-coil acoustic generator which comprises a magnetic circuit system, a vibrating system and an assisting system, wherein the magnetic circuit system and the vibrating system are fixed through the assisting system; the vibrating system comprises a vibrating diaphragm and a voice coil combined with the vibrating diaphragm; the assisting system comprises a plastic outer shell, one outer shell end face is correspondingly provided with the vibrating diaphragm, and the other outer shell end face opposite to the vibrating diaphragm is provided with the magnetic circuit system; and the outer shell end face where the magnetic circuit system is mounted is provided with a flexible circuit board, and the voice coil is electrically connected with the flexible circuit board. According to the design, the installation height of a product can be lowered; and meanwhile, the a guide line of the micro moving-coil acoustic generator can be straightened out conveniently, and the product design is simplified.
Description
Technical field
The utility model relates to electroacoustic switch technology field, and is concrete, and the utility model relates to a kind of miniature moving-coil type acoustical generator.
Background technology
Fast development along with consumer electronics product market; A large amount of miniature electro-acoustic class components and parts have obtained using widely like the miniature moving-coil type acoustical generator, along with the portable design of end product; When properties of product are required, the designing requirement of its slimming and miniaturization is also improved constantly.
In traditional design; The electric connection mode of miniature moving-coil type acoustical generator and terminal electronic product generally can directly be welded through lead; Perhaps adopt the pcb board of rigidity to realize being electrically connected; This design generally is merely able to be arranged on the sidepiece of product because of the restriction of product setting height(from bottom), and the lead-in wire of miniature moving-coil type acoustical generator connects up according to properties of product and terminal position accordingly.
But this design has increased the overall dimensions of product, is unfavorable for the miniaturization Design of product; Owing to the restriction of miniature moving-coil type acoustical generator terminal position and properties of product requirement, the wiring of miniature moving-coil type acoustical generator also need be adjusted accordingly, has increased the design difficulty of product simultaneously.
Therefore, be necessary existing miniature moving-coil type acoustical generator is just improved, to avoid above-mentioned defective.
The utility model content
The utility model technical problem to be solved provides a kind of miniature moving-coil type acoustical generator that reduces overall product size, can reduce the setting height(from bottom) of product; The lead-in wire of being convenient to the miniature moving-coil type acoustical generator has simultaneously been simplified product design along line.
To achieve these goals; The utility model adopts following technical scheme: a kind of miniature moving-coil type acoustical generator; Comprise the auxiliary system of magnetic circuit system, vibrational system and fixing said magnetic circuit system and vibrational system, said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that combines with said vibrating diaphragm; Said auxiliary system comprises plastic casing; The said vibrating diaphragm of the corresponding installation of one end face of said shell; Said magnetic circuit system is installed in the other end of the said shell relative with said vibrating diaphragm; And: the shell end face that said magnetic circuit system is installed is provided with FPC, and said voice coil loudspeaker voice coil is electrically connected said FPC.
As a kind of improvement, said magnetic circuit system protrudes from said shell end face, and said FPC is an annular.
As a kind of improvement, the part of said FPC bends and is fixed on the said side wall of outer shell along the sidewall of said miniature moving-coil type acoustical generator.
As a kind of improvement, said side wall of outer shell is provided with fixed leg, and said FPC is provided with first fixing hole of corresponding said fixed leg.
As a kind of improvement, the said shell end face that said FPC is installed is provided with the hot melt post, and said FPC is provided with second fixing hole of corresponding said hot melt post.
As a kind of improvement, said shell is square, and said FPC is provided with two pairs of pads, and said two pairs of pads are arranged on the relative diaxon of said shell; Said two pairs of pads conduct through the circuit in the middle of the FPC.
As a kind of improvement, said FPC is arranged on the minor axis side of said shell, and the part bending of said FPC is fixed on the major axis side of said shell.
As a kind of improvement, the internal magnet in the middle of said magnetic circuit system comprises and two bar shaped external magnets that are provided with along major axis, said external magnet is fixed on the major axis of said shell, and said FPC is fixed on the said magnetic circuit system.
Owing to adopted technique scheme, the miniature moving-coil type acoustical generator that the utility model provided through on the bottom surface of shell away from vibrating diaphragm, FPC being set, can reduce the setting height(from bottom) of product; The structure and the electrically connecting position of FPC are adjusted according to actual needs simultaneously, and the lead-in wire of being convenient to the miniature moving-coil type acoustical generator has like this been simplified product design along line.
Description of drawings
The decomposing schematic representation of the miniature moving-coil type generator that Fig. 1 relates to for the utility model;
The stereogram of the miniature moving-coil type acoustical generator FPCB that Fig. 2 relates to for the utility model;
Fig. 3 is the stereogram after the utility model FPCB and the shell assembling.
Embodiment
Specify the concrete structure of the utility model below in conjunction with accompanying drawing.
Embodiment:
See also Fig. 1-shown in Figure 3, the described miniature moving-coil type acoustical generator of the utility model comprises magnetic circuit system 3, vibrational system 2 and the fixing shell 12 of magnetic circuit system 3 and vibrational system 2, the voice coil loudspeaker voice coil 23 that vibrational system 2 comprises vibrating diaphragm and combines with vibrating diaphragm.One end face correspondence of shell 12 is equipped with vibrating diaphragm, and shell 12 is equipped with FPC 4 away from the bottom surface of vibrating diaphragm, and FPC 4 is electrically connected with lead-in wire 24 on the voice coil loudspeaker voice coil 23.
This design that FPC 4 is set on the bottom surface of the shell 12 that magnetic circuit system 3 is installed can reduce the setting height(from bottom) of entire product.Simultaneously the structure of FPC 4 and electrically connecting position can be convenient to the suitable line of lead-in wire of miniature moving-coil type acoustical generator like this according to the going out line position and adjust it position is set with the needs that are electrically connected of end product of actual as lead-in wire 24, have simplified product design.
In this implementation process, preferred scheme is the end face that magnetic circuit system 3 protrudes from shell 12, and said FPC 4 is an annular, and magnetic circuit system 3 protrudes from the bottom surface of shell 12, in actual miniature moving-coil type acoustical generator is used, and can be so that save installing space.
In this implementation process, the part that preferred scheme is a FPC 4 bends and is fixed on the sidewall of shell 12 along the sidewall of miniature moving-coil type acoustical generator shell 12.The fixedly assembling of FPC 4 and shell 12 is convenient in this design, has also saved the installing space of FPC 4 simultaneously.
In this implementation process; FPC 4 is a loop configuration; Comprise first fixing hole 41, second fixing hole, 42, the first pad groups 43 and the second pad group 44, each pad group all has a pair of pad; FPC 4 can combine through modes such as bonding, mechanical engagement with shell 12, wherein the fixed leg 14 corresponding mounts on first fixing hole 41 and shell 12 sidewalls; Hot melt post 13 corresponding combinations on second fixing hole 42 and shell 12 bottom surfaces are fixed together through hot melting mode.In addition; The first pad group 43 and the second pad group 44 are arranged on the relative diaxon in shell 12 bottom surfaces; Internal circuit through FPC 4 between the two pairs of pads is electrically connected, particularly under lead-in wire 24 leading-out terminals and the situation of miniature moving-coil type acoustical generator terminals at diverse location.
In addition, the miniature moving-coil type acoustical generator in this implementation process is a rectangular configuration, also comprises the pressure ring 11 of plastic material, and pressure ring 11 is incorporated on vibrating diaphragm upside vibrating diaphragm and the position that shell 12 combines.The central part 21 in the middle of vibrating diaphragm comprises and the annular rim portion 22 of hollow, central part 21 and edge part 22 combine and are enclosed in an end of shell 12; Magnetic circuit system comprises respectively outer magnetic conductive board 311, external magnet 312 and interior magnetic conductive board 321 and the internal magnet 322 that fits together with basin frame 33 from top to bottom; Wherein outer magnetic conductive board 311, external magnet 312 are strip structure, and the major axis side of magnetic conductive board 321 and internal magnet 322 in being separately positioned on.On magnetic circuit system 3, the size of miniature moving-coil type acoustical generator has been saved in this design, has guaranteed the electrical connection of FPC 4 simultaneously at the partial fixing of shell 12 sidewalls in FPC 4 bending.
In this implementation process; The moving-coil type acoustical generator also can be for circle waits other structure, and the miniature moving-coil type acoustical generator end face that magnetic circuit system is installed also can be the plane, i.e. the design of shell parcel magnetic circuit system; FPC is whole to be arranged on its end face, the neither enforcement that influences the utility model creation.
More than be merely utility model practical implementation case; Be not limited to the utility model; As long as the equivalence that those of ordinary skills do according to the utility model institute disclosure is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (8)
1. a miniature moving-coil type acoustical generator comprises magnetic circuit system, vibrational system and the shell of fixing said magnetic circuit system and vibrational system, and said vibrational system comprises vibrating diaphragm and the voice coil loudspeaker voice coil that combines with said vibrating diaphragm; One end face of said shell fixedly mounts said vibrating diaphragm, it is characterized in that: said shell is provided with FPC away from the bottom surface of said vibrating diaphragm, and the lead-in wire of said voice coil loudspeaker voice coil is electrically connected said FPC.
2. miniature moving-coil type acoustical generator according to claim 1 is characterized in that:
Said magnetic circuit system protrudes from said shell end face, and said FPC is an annular.
3. miniature moving-coil type generator according to claim 1 and 2 is characterized in that:
The part of said FPC bends and is fixed on the said side wall of outer shell along the sidewall of said miniature moving-coil type acoustical generator.
4. miniature moving-coil type acoustical generator according to claim 3 is characterized in that:
Said side wall of outer shell is provided with fixed leg, and said FPC is provided with first fixing hole of corresponding said fixed leg.
5. miniature moving-coil type acoustical generator according to claim 3 is characterized in that:
The said shell bottom surface that said FPC is installed is provided with the hot melt post, and said FPC is provided with second fixing hole of corresponding said hot melt post.
6. miniature moving-coil type acoustical generator according to claim 3 is characterized in that:
Said shell is a rectangular configuration, and said FPC is provided with two pairs of pads, and said two pairs of pads are arranged on the relative diaxon of said shell; Said two pairs of pads conduct through the circuit in the middle of the FPC.
7. miniature moving-coil type acoustical generator according to claim 6 is characterized in that:
Said FPC is arranged on the minor axis side of said shell, and the part bending of said FPC is fixed on the major axis side of said shell.
8. miniature moving-coil type acoustical generator according to claim 3 is characterized in that:
Said magnetic circuit system internal magnet and two bar shaped external magnets that are provided with along major axis in the middle of comprising, said external magnet is fixed on the major axis of said shell, said FPC bending at the partial fixing of said side wall of outer shell on said magnetic circuit system.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205692284U CN202535527U (en) | 2011-12-30 | 2011-12-30 | Micro moving-coil acoustic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205692284U CN202535527U (en) | 2011-12-30 | 2011-12-30 | Micro moving-coil acoustic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202535527U true CN202535527U (en) | 2012-11-14 |
Family
ID=47136676
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205692284U Withdrawn - After Issue CN202535527U (en) | 2011-12-30 | 2011-12-30 | Micro moving-coil acoustic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202535527U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572657A (en) * | 2011-12-30 | 2012-07-11 | 歌尔声学股份有限公司 | Micro moving-coil sounder |
-
2011
- 2011-12-30 CN CN2011205692284U patent/CN202535527U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102572657A (en) * | 2011-12-30 | 2012-07-11 | 歌尔声学股份有限公司 | Micro moving-coil sounder |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20121114 Effective date of abandoning: 20160217 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |