CN201657283U - Minitype moving-coil acoustic generator - Google Patents
Minitype moving-coil acoustic generator Download PDFInfo
- Publication number
- CN201657283U CN201657283U CN2010200147272U CN201020014727U CN201657283U CN 201657283 U CN201657283 U CN 201657283U CN 2010200147272 U CN2010200147272 U CN 2010200147272U CN 201020014727 U CN201020014727 U CN 201020014727U CN 201657283 U CN201657283 U CN 201657283U
- Authority
- CN
- China
- Prior art keywords
- voice coil
- vibrating diaphragm
- circuit board
- flexible circuit
- coil
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
Images
Landscapes
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Abstract
The utility model discloses a minitype moving-coil acoustic generator, which comprises a vibrating system and a magnetic circuit system, wherein the vibrating system comprises a vibrating diaphragm and a voice coil; and the magnetic circuit system comprises a washer, a magnet and a frame, a flexible circuit board is arranged between the vibrating diaphragm and the voice coil and comprises an inner bracket, an outer bracket and a support arm for connecting the inner bracket with outer bracket, the voice coil is electrically connected with an external electronic circuit, the vibrating diaphragm is combined with the inner bracket, and an extending part is formed on the inner bracket and combined with the extending part. By adopting the design, the acoustic generator improves the electrical connection mode, so as to avoid electric connection failure; under the condition of a certain size of the minitype moving-coil acoustic generator, the size of the magnet in the magnetic circuit system can be effectively enlarged, so as to improve the acoustical property output by the acoustic generator; and the acoustic generator adopting the design further increases the mass of the flexible circuit board, thereby being favorable for further reducing the resonant frequency of the minitype moving-coil acoustic generator.
Description
Technical field
The utility model is specifically related to a kind of miniature moving-coil type acoustical generator.
Background technology
Along with the development in portable consumer electronic product market, a large amount of miniature electro-acoustic device particularly miniature moving-coil type acoustical generator has obtained using widely.The miniature moving-coil type acoustical generator of traditional structure as shown in Figure 7 and Figure 8, a kind of miniature moving-coil type acoustical generator of known internal magnetic circuit structure, comprise auxiliary system, vibrational system and magnetic circuit system, auxiliary system comprises protecgulum 11 and shell 12, vibrational system comprises vibrating diaphragm 21 and the voice coil loudspeaker voice coil 22 that combines with vibrating diaphragm 21, and magnetic circuit system comprises washer 31, magnet 32 and the basin frame 33 that combines from top to bottom.Wherein the voice coil loudspeaker voice coil in the vibrational system 21 will be by going between 23 through technology such as some glue etc. being electrically connected of realization and miniature moving-coil type acoustical generator external electronic circuits of connect up on vibrating diaphragm 22.Mainly there is following defective in the miniature moving-coil type acoustical generator of this traditional structure:
Lead-in wire 23 connect up on vibrating diaphragm 21 by some glue in the vibrational system, and production technology is complexity comparatively, has increased production cost, and the size of glue amount etc. all can exert an influence to the acoustical behavior of vibrating diaphragm, is easy to generate noise; Simultaneously this lead type is along the line mode, when the work of miniature moving-coil type acoustical generator long period or power are excessive, are easy to generate broken string and cause and be electrically connected badly, influences its useful life;
In the magnetic circuit system, under the certain situation of miniature moving-coil type acoustical generator size, the vibrating diaphragm ring partly needs certain dimensional space to guarantee acoustical behavior, and combine with voice coil loudspeaker voice coil 22, define magnet size in the magnetic circuit system, the acoustical behavior of miniature moving-coil type acoustical generator is restricted, and causes drawbacks such as distortion is excessive easily.
So, be necessary the miniature moving-coil type acoustical generator of above-mentioned traditional structure is further improved, to avoid above-mentioned defective.
The utility model content
Technical problem to be solved in the utility model provides a kind of miniature moving-coil type acoustical generator, is improving its electric connection mode, avoids producing being electrically connected bad the time, can increase the size of magnet in the magnetic circuit system effectively, improves the acoustical behavior of its output.
For solving the problems of the technologies described above, the technical scheme that the utility model proposed is: the miniature moving-coil type acoustical generator, and the magnetic circuit system of involving vibrations system and internal magnetic circuit structure, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; Described magnetic circuit system comprises washer, magnet and the basin frame of combination from top to bottom, and: also be combined with flexible circuit board between described vibrating diaphragm and the voice coil loudspeaker voice coil, described flexible circuit board comprises inner support, support arm and is connected the brace of described inner support and support arm, described voice coil loudspeaker voice coil is electrically connected external electronic circuits by described flexible circuit board, described vibrating diaphragm and described inner support combine, periphery near described support arm one side on the described inner support is provided with the extension that increases described magnet size, and described voice coil loudspeaker voice coil is combined on the described extension.
As a kind of improvement, described flexible circuit board is a square structure.
As a kind of improvement, described brace is arranged in inner support and the formed gap of support arm minor axis.
As a kind of improvement, described vibrating diaphragm is a hollow structure.
As a kind of improvement, described vibrating diaphragm and described flexible circuit board are glued together.
Owing to adopted technique scheme: the miniature moving-coil type acoustical generator, the magnetic circuit system of involving vibrations system and internal magnetic circuit structure, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; Described magnetic circuit system comprises washer, magnet and the basin frame of combination from top to bottom, and: also be combined with flexible circuit board between described vibrating diaphragm and the voice coil loudspeaker voice coil, described flexible circuit board comprises inner support, support arm and is connected the brace of described inner support and support arm, described voice coil loudspeaker voice coil is electrically connected external electronic circuits by described flexible circuit board, described vibrating diaphragm and described inner support combine, periphery near described support arm one side on the described inner support is provided with the extension that increases described magnet size, and described voice coil loudspeaker voice coil is combined on the described extension; The beneficial effects of the utility model are: this design is improving its electric connection mode, avoids producing being electrically connected bad the time; Under the certain situation of miniature moving-coil type acoustical generator size, can increase the size of magnet in the magnetic circuit system effectively, improve the acoustical behavior of its output; And this design has further increased the quality of flexible circuit board, helps further reducing the resonance frequency of miniature moving-coil type acoustical generator.
Description of drawings
Fig. 1 is the decomposing schematic representation of the utility model embodiment one;
Fig. 2 is the profile of the utility model embodiment one;
Fig. 3 is the local enlarged diagram at A place among Fig. 2;
Fig. 4 is the utility model embodiment one flexible circuit board structure schematic diagram;
Fig. 5 is the utility model embodiment one flexible circuit board Facad structure schematic diagram;
Fig. 6 is the utility model embodiment two flexible circuit board structural representations;
Fig. 7 is the profile of miniature moving-coil type acoustical generator in the known technology;
Fig. 8 is the structural representation of miniature moving-coil type acoustical generator vibrational system in the known technology.
Embodiment
Embodiment one:
The miniature moving-coil type acoustical generator of internal magnetic circuit structure as Fig. 1, Fig. 2 and shown in Figure 3, comprises auxiliary system, vibrational system and magnetic circuit system.Auxiliary system comprises protecgulum 11 and shell 12; Vibrational system comprises vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, and voice coil loudspeaker voice coil 22 is provided with lead-in wire 23, is combined with flexible circuit board 4 between vibrating diaphragm 21 and voice coil loudspeaker voice coil 22, and vibrating diaphragm 22 is a hollow structure; Magnetic circuit system comprises washer 31 and the magnet 32 that assembles with basin frame 33 from top to bottom.On shell 12, also be combined with a pair of shell fragment 5.
The structure of extension 45 as shown in Figure 4 and Figure 5, extension 45 be the edge of inner support 43 towards extending to form near support arm 41, voice coil loudspeaker voice coil 22 corresponding electricity are combined on the extension 45.
This design of this implementation process guaranteeing vibrating diaphragm ring certain size, when keeping miniature moving-coil type acoustical generator acoustical behavior, has improved its electric connection mode, avoids producing being electrically connected bad the time; Under the certain situation of miniature moving-coil type acoustical generator size, can increase the size of magnet in the magnetic circuit system effectively, improve the acoustical behavior of its output; And further increased the quality of flexible circuit board, helped further reducing the resonance frequency of miniature moving-coil type acoustical generator.
Embodiment two:
This implementation process is with the main distinction of above-mentioned implementation process: the structure of flexible circuit board is different, and as shown in Figure 6, the flexible circuit board 4 in this implementation process is an ellipsoidal structure, and the number of brace 42 is four; Flexible circuit board also can wait other structures for runway or circle in this implementation process, this design of this implementation process and improve the technique effect that can realize above-mentioned implementation process equally, the neither enforcement that influences the invention.
In the invention; the flexible circuit board of square structure is between the restriction of size; brace is arranged on and is preferred structure on the minor axis, and the number of brace can be one or more, and the setting of its position and the improvement of quantity etc. all are interpreted as protection range of the present utility model.
Claims (5)
1. miniature moving-coil type acoustical generator, the magnetic circuit system of involving vibrations system and internal magnetic circuit structure, described vibrational system comprises vibrating diaphragm and voice coil loudspeaker voice coil; Described magnetic circuit system comprises washer, magnet and the basin frame of combination from top to bottom, it is characterized in that: also be combined with flexible circuit board between described vibrating diaphragm and the voice coil loudspeaker voice coil, described flexible circuit board comprises inner support, support arm and is connected the brace of described inner support and support arm, described voice coil loudspeaker voice coil is electrically connected external electronic circuits by described flexible circuit board, described vibrating diaphragm and described inner support combine, periphery near described support arm one side on the described inner support is provided with the extension that increases described magnet size, and described voice coil loudspeaker voice coil is combined on the described extension.
2. miniature moving-coil type acoustical generator as claimed in claim 1 is characterized in that: described flexible circuit board is a square structure.
3. miniature moving-coil type acoustical generator as claimed in claim 2 is characterized in that: described brace is arranged in inner support and the formed gap of support arm minor axis.
4. miniature moving-coil type acoustical generator as claimed in claim 3 is characterized in that: described vibrating diaphragm is a hollow structure.
5. miniature moving-coil type acoustical generator as claimed in claim 4 is characterized in that: described vibrating diaphragm and described flexible circuit board are glued together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200147272U CN201657283U (en) | 2010-01-08 | 2010-01-08 | Minitype moving-coil acoustic generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010200147272U CN201657283U (en) | 2010-01-08 | 2010-01-08 | Minitype moving-coil acoustic generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201657283U true CN201657283U (en) | 2010-11-24 |
Family
ID=43122512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010200147272U Expired - Lifetime CN201657283U (en) | 2010-01-08 | 2010-01-08 | Minitype moving-coil acoustic generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201657283U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097330A1 (en) * | 2011-12-30 | 2013-07-04 | 歌尔声学股份有限公司 | Miniature moving-coil speaker |
| CN110418258A (en) * | 2018-04-27 | 2019-11-05 | 歌尔股份有限公司 | Sounding device |
-
2010
- 2010-01-08 CN CN2010200147272U patent/CN201657283U/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2013097330A1 (en) * | 2011-12-30 | 2013-07-04 | 歌尔声学股份有限公司 | Miniature moving-coil speaker |
| US9344804B2 (en) | 2011-12-30 | 2016-05-17 | Goertek Inc. | Miniature moving-coil speaker |
| CN110418258A (en) * | 2018-04-27 | 2019-11-05 | 歌尔股份有限公司 | Sounding device |
| CN110418258B (en) * | 2018-04-27 | 2022-07-08 | 歌尔股份有限公司 | Sound producing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN203225878U (en) | Loudspeaker and loudspeaker box comprising same | |
| CN212812019U (en) | Sound production device | |
| CN202059561U (en) | Vibration system for miniature voice generator | |
| CN201789621U (en) | Moving-coil type acoustic generator | |
| CN205051866U (en) | Sounding device | |
| CN102970642A (en) | Micro loudspeaker | |
| CN201667712U (en) | Moving-coil type electroacoustic transducer | |
| CN203691624U (en) | Loudspeaker | |
| CN203027481U (en) | Piezoelectric speaker | |
| CN103096226A (en) | Piezoelectric loudspeaker | |
| CN201657283U (en) | Minitype moving-coil acoustic generator | |
| CN205596328U (en) | Loudspeaker | |
| CN206042355U (en) | Ball top high pitch loudspeaker | |
| CN104902406A (en) | Coaxial same-phase double moving coil unit loudspeaker | |
| CN204518065U (en) | Loud speaker | |
| CN202019444U (en) | Diaphragm and movable coil type electro-acoustic transducer employing diaphragm | |
| CN201509305U (en) | Minitype energy converter component | |
| CN102572658B (en) | Acoustical generator | |
| CN201629836U (en) | Mini moving-coil electroacoustic converter | |
| CN201657279U (en) | Moving coil type electroacoustic converter | |
| CN205726382U (en) | Speaker | |
| CN201623846U (en) | Mini-type microphone | |
| CN201185474Y (en) | Moving-coil type electro-acoustic conversion device | |
| CN204376891U (en) | Water proof type sound radio frequency module and electronic apparatus | |
| CN102946581B (en) | Loudspeaker device |
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 |
Granted publication date: 20101124 |
|
| CX01 | Expiry of patent term |