CN102333270A - Sounder - Google Patents
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- CN102333270A CN102333270A CN201110198398A CN201110198398A CN102333270A CN 102333270 A CN102333270 A CN 102333270A CN 201110198398 A CN201110198398 A CN 201110198398A CN 201110198398 A CN201110198398 A CN 201110198398A CN 102333270 A CN102333270 A CN 102333270A
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- voice coil
- vibrating diaphragm
- permanent magnet
- acoustical generator
- magnetic circuit
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Abstract
The invention provides a sounder which comprises a vibration system, a magnetic circuit system and a housing accommodating the vibration system and the magnetic circuit system, wherein, the magnetic circuit system comprises a magnetic frame having accommodation space and fixed on the housing and a permanent magnet assembly accommodated in the accommodation space, a magnetic gap is provided between the magnetic frame and the permanent magnet assembly, the vibration system comprises a first diaphragm and a second diaphragm which are attached to the housing and separate from each other to form a certain distance, a voice coil framework with one end connected with the first diaphragm and the other end connected with the second diaphragm, and a first voice coil and a second voice coil wound on the voice coil framework, the voice coil framework is located in the magnetic gap, and the magnetic circuit system is located between the first diaphragm and the second diaphragm. The sounder provided in the invention enables voice effects of a product to be enhanced.
Description
Technical field
The present invention relates to a kind of acoustical generator, relate in particular to a kind of ultrathin acoustical generator.
Background technology
Be miniaturization, the multifunction development that adapts to various stereo sets and information communication device; Employed acoustical generator is in requisition for being tending towards miniaturization more in this kind equipment; And compact more with cooperating of said other elements of acoustical generator periphery, particularly along with the lightening growth requirement of mobile phone, wherein employed acoustical generator; Not only require miniaturization, more require high pitch materialization and stereo etc.
The acoustical generator relevant with the present invention comprises the vibrational system that is provided with vibrating diaphragm, the shell that is provided with the magnetic circuit system of magnet steel and accommodates said vibrational system and magnetic circuit system.In order to make the product vibrating effect better, thereby improve voice effect, said acoustical generator adopts bigger vibrating diaphragm and the magnet steel of mass ratio, or adopts two same acoustical generators, and still, the vibrating diaphragm that quality is big can cause acoustical generator vibratility and reliability problems; Adopt two same generators to need bigger space, but extra-thin system does not often have enough big space, cost is higher too.
Therefore, be necessary to provide a kind of new acoustical generator to solve the problems referred to above.
Summary of the invention
The technical problem that the present invention need solve provides a kind of acoustical generator that can improve voice effect.
According to the above-mentioned technical problem that needs solution; Designed a kind of acoustical generator; Its involving vibrations system, magnetic circuit system and the shell of accommodating said vibrational system and magnetic circuit system; Said magnetic circuit system comprises having spatial accommodation and be fixed on the magnet frame on the said shell and be housed in the permanent magnet assembly in the spatial accommodation; Be provided with magnetic gap between said magnet frame and the permanent magnet assembly; Said vibrational system comprise be attached on the shell and first vibrating diaphragm separated by a distance with second vibrating diaphragm, an end are connected with first vibrating diaphragm and the other end is connected with second vibrating diaphragm speech coil framework, be wrapped in first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil on the speech coil framework, said speech coil framework is arranged in said magnetic gap, said magnetic circuit system is between first vibrating diaphragm and second vibrating diaphragm.
Preferably, said first voice coil loudspeaker voice coil is connected with second voice coil loudspeaker voice coil.
Preferably; Said acoustical generator also is provided with the strutting piece that supports said permanent magnet assembly; Said permanent magnet assembly is provided with through hole; Said strutting piece comprise the body of supports permanent magnets assembly and from body two opposite faces towards first protuberance and second protuberance that extend away from the body direction, being embedded in said through hole of said first protuberance, said second protuberance is fixed on the said shell.
Preferably, said shell is provided with lower cover, said be covered with down to said magnetic circuit system direction that extend with boss said body butt, said boss is provided with groove, said second protuberance is housed in the said groove.
Preferably, said second vibrating diaphragm comprises the second ring portion and the second ball top that centers on the said second ring portion periphery, and the part of the said second ring portion is folded between said body and the boss, and the said second ball top is connected with said speech coil framework.
Preferably, said magnet frame is provided with the outer wall that is fixed on the annular on the said shell, and said outer wall constitutes the spatial accommodation of accommodating said permanent magnet assembly, and said permanent magnet assembly comprises two pole pieces and is folded in the middle permanent magnet of pole piece.
Beneficial effect of the present invention is: since said vibrational system comprise first vibrating diaphragm separated by a distance and second vibrating diaphragm, be connected first vibrating diaphragm and second vibrating diaphragm speech coil framework, be wrapped in first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil on the speech coil framework; Said magnetic circuit system is between first vibrating diaphragm and second vibrating diaphragm; Owing to adopt speech coil framework to be connected in series first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil; Structure is more stable at the volley to make voice coil loudspeaker voice coil, and the vibrating effect of vibrating diaphragm is better, improves voice effect.
Description of drawings
Fig. 1 is the stereogram of acoustical generator of the present invention;
Fig. 2 is the cutaway view of Fig. 1 along the A-A line;
Fig. 3 is the three-dimensional exploded view of acoustical generator of the present invention.
Embodiment
Below in conjunction with accompanying drawing and execution mode the present invention is described further.
With reference to shown in Figure 1, be acoustical generator 100 provided by the invention, its involving vibrations system, magnetic circuit system and the shell 41 of accommodating said vibrational system and magnetic circuit system.
In the lump with reference to Fig. 2 and shown in Figure 3; Said vibrational system comprises and is attached on the shell 41 and first vibrating diaphragm 11 separated by a distance and second vibrating diaphragm 12, an end is connected with first vibrating diaphragm 11 and the other end is connected with second vibrating diaphragm 12 speech coil framework 14, first voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil, 132, the first voice coil loudspeaker voice coils 131 and second voice coil loudspeaker voice coil 132 that are wrapped on the speech coil framework 14 are to be connected in series.The first ring portion 111 that first vibrating diaphragm 11 is provided with the first ball top 112 and centers on the said first ball top 112 peripheries, the part of the said first ring portion 111 is connected on the shell 41.Second vibrating diaphragm 12 comprises the second ring portion 122 and the second ball top 121 that centers on the said second ring portion 122, and an end of speech coil framework 14 is fixed on the junction of the first ball top 112 and the first ring portion 111, and the other end is fixed on the second ball top 121.Second vibrating diaphragm 12 can play the effect of support to speech coil framework 14, and can make vibration balancing property and reliability obtain bigger improvement.
Said magnetic circuit system is between first vibrating diaphragm 11 and second vibrating diaphragm 12; And comprise magnet frame 22 and be housed in the permanent magnet assembly 21 in the said spatial accommodation with spatial accommodation; Said permanent magnet assembly 21 is provided with through hole 210, the permanent magnet 212 that said permanent magnet assembly 21 comprises two pole pieces 211 and is folded in pole piece 211 centres.
Said acoustical generator 100 also is provided with the strutting piece 31 that supports said permanent magnet assembly 21; Said strutting piece 31 is provided with and the body 313 of said permanent magnet assembly 21 butts and first protuberance 311 and second protuberance 312 that extends away from body 313 directions from 313 liang of opposite faces courts of body; Being embedded in said through hole 210 of said first protuberance 311, said second protuberance 312 is fixed on the said shell 41.The basin frame 411 that said shell is provided with lower cover 410 and connects with lower cover 410 lids; Said lower cover 410 be provided with extend to said magnetic circuit system direction and with the boss 412 of said body 313 butts; Said boss 412 is provided with groove 413, and said second protuberance 312 is housed in the groove 413.Second protuberance 312 is housed in the groove 413, and boss 412 butt bodies 313 can play the fixed support effect to strutting piece 31; First protuberance 311 is embedded in through hole 211, and body 313 and permanent magnet assembly 21 butts can play the effect of fixed support to permanent magnet assembly 21; The part of the second ring portion 122 is folded between boss 412 and the body 313, can play the effect of fixed support to the second ring portion 122.
Because first voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil 132 utilize speech coil framework 14 to be connected in series; Then to after first voice coil loudspeaker voice coil 131 and 132 energisings of second voice coil loudspeaker voice coil; First voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil 132 drive first vibrating diaphragm 11 simultaneously and second vibrating diaphragm 12 is done radial motion, and be big or during at low frequency, according to active force and reaction force principle when the vibrational system amplitude; One side motion; The opposing party is certain to it is produced a reaction force, reduce to its active force and avoid making it to reach the inelastic region, the nonlinear distortion that can reduce to pronounce thus.On the other hand; After first voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil 132 utilize speech coil framework 14 to be connected in series; Magnetic flux and inductance value through first voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil 132 can be complementary; The magnetic flux of first voice coil loudspeaker voice coil 131 and second voice coil loudspeaker voice coil 132 is tended towards stability, thereby make the vibration of first vibrating diaphragm 11 and second vibrating diaphragm 12 also more stable, and then make voice effect relatively good.In addition; Vibrational system is between first vibrating diaphragm 11 and second vibrating diaphragm 12; First vibrating diaphragm 11 and first voice coil loudspeaker voice coil 131 have constituted first vibrational system; Second vibrating diaphragm 12 and second voice coil loudspeaker voice coil 132 have constituted second vibrational system, and the shared magnetic circuit system of first vibrational system and second vibrational system has improved the utilance in magnetic field.
Protection scope of the present invention is not exceeded with above-mentioned execution mode, as long as the equivalence that those of ordinary skills do according to disclosed content is modified or changed, all should include in the protection range of putting down in writing in claims.
Claims (6)
1. acoustical generator; Its involving vibrations system, magnetic circuit system and the shell of accommodating said vibrational system and magnetic circuit system; Said magnetic circuit system comprises having spatial accommodation and be fixed on the magnet frame on the said shell and be housed in the permanent magnet assembly in the spatial accommodation; Be provided with magnetic gap between said magnet frame and the permanent magnet assembly; It is characterized in that: said vibrational system comprise be attached on the shell and first vibrating diaphragm separated by a distance with second vibrating diaphragm, an end are connected with first vibrating diaphragm and the other end is connected with second vibrating diaphragm speech coil framework, be wrapped in first voice coil loudspeaker voice coil and second voice coil loudspeaker voice coil on the speech coil framework; Said speech coil framework is arranged in said magnetic gap, and said magnetic circuit system is between first vibrating diaphragm and second vibrating diaphragm.
2. acoustical generator according to claim 1 is characterized in that: said first voice coil loudspeaker voice coil is connected with second voice coil loudspeaker voice coil.
3. acoustical generator according to claim 2; It is characterized in that: said acoustical generator also is provided with the strutting piece that supports said permanent magnet assembly; Said permanent magnet assembly is provided with through hole; Said strutting piece comprise the body of supports permanent magnets assembly and from body two opposite faces towards first protuberance and second protuberance that extend away from the body direction, being embedded in said through hole of said first protuberance, said second protuberance is fixed on the said shell.
4. acoustical generator according to claim 3; It is characterized in that: said shell is provided with lower cover; Said be covered with down to said magnetic circuit system direction that extend with boss said body butt, said boss is provided with groove, said second protuberance is housed in the said groove.
5. acoustical generator according to claim 4; It is characterized in that: said second vibrating diaphragm comprises the second ring portion and the second ball top that centers on the said second ring portion periphery; The part of the said second ring portion is folded between said body and the boss, and the said second ball top is connected with said speech coil framework.
6. acoustical generator according to claim 1; It is characterized in that: said magnet frame is provided with the outer wall that is fixed on the annular on the said shell; Said outer wall constitutes the spatial accommodation of accommodating said permanent magnet assembly, and said permanent magnet assembly comprises two pole pieces and is folded in the middle permanent magnet of pole piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110198398.0A CN102333270B (en) | 2011-07-15 | 2011-07-15 | Sounder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110198398.0A CN102333270B (en) | 2011-07-15 | 2011-07-15 | Sounder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102333270A true CN102333270A (en) | 2012-01-25 |
| CN102333270B CN102333270B (en) | 2015-06-24 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110198398.0A Expired - Fee Related CN102333270B (en) | 2011-07-15 | 2011-07-15 | Sounder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102333270B (en) |
Cited By (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744414A (en) * | 2014-12-31 | 2016-07-06 | 骷髅头有限公司 | Audio driver assembly, headphone including such an audio driver assembly, and related methods |
| CN106758680A (en) * | 2016-12-18 | 2017-05-31 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of plastic cement race track of lifter motion interest |
| CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
| CN109275074A (en) * | 2018-09-30 | 2019-01-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109462806A (en) * | 2018-12-29 | 2019-03-12 | 歌尔股份有限公司 | Loudspeaker |
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| CN109905827A (en) * | 2019-03-21 | 2019-06-18 | 维沃移动通信有限公司 | A kind of vibration-sound generating device and mobile terminal |
| WO2020000930A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound generation device and portable terminal |
| WO2020000925A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sounding device and portable terminal |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| CN110856087A (en) * | 2019-11-25 | 2020-02-28 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| WO2020087757A1 (en) * | 2018-11-02 | 2020-05-07 | 歌尔股份有限公司 | Sounding device and earphone |
| CN111343542A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| CN111405421A (en) * | 2019-12-27 | 2020-07-10 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111641906A (en) * | 2020-06-24 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2020181888A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Electronic apparatus |
| WO2020181893A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound generation device and electronic product |
| WO2020181891A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
| CN112533112A (en) * | 2020-12-25 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Double-magnetic circuit structure and sound production device |
| WO2021134188A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| WO2021223261A1 (en) * | 2020-05-07 | 2021-11-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| WO2022006962A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
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| CN2485745Y (en) * | 2001-06-12 | 2002-04-10 | 黄顺君 | Flat loudspeaker with bidirectional double cone diaphragms |
| CN1388730A (en) * | 2002-07-12 | 2003-01-01 | 晏明 | Double-coil for double-sound cone loudspeaker |
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2011
- 2011-07-15 CN CN201110198398.0A patent/CN102333270B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN2485745Y (en) * | 2001-06-12 | 2002-04-10 | 黄顺君 | Flat loudspeaker with bidirectional double cone diaphragms |
| CN1388730A (en) * | 2002-07-12 | 2003-01-01 | 晏明 | Double-coil for double-sound cone loudspeaker |
Cited By (37)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105744414A (en) * | 2014-12-31 | 2016-07-06 | 骷髅头有限公司 | Audio driver assembly, headphone including such an audio driver assembly, and related methods |
| EP3041268B1 (en) * | 2014-12-31 | 2020-10-07 | Skullcandy, Inc. | Audio driver assembly, headphone including such an audio driver assembly, and related methods |
| CN105744414B (en) * | 2014-12-31 | 2019-06-14 | 骷髅头有限公司 | Audio driven component, earphone and correlation technique including this audio driven component |
| CN106758680B (en) * | 2016-12-18 | 2019-04-16 | 安徽绿谷新材料有限公司 | A kind of plastic cement race track of lifting motion interest |
| CN106758680A (en) * | 2016-12-18 | 2017-05-31 | 乌鲁木齐九品芝麻信息科技有限公司 | A kind of plastic cement race track of lifter motion interest |
| CN106792394A (en) * | 2017-01-24 | 2017-05-31 | 范邱燕 | A kind of two-way loudspeaker and stereo set |
| US11483660B2 (en) | 2018-06-25 | 2022-10-25 | Goertek, Inc. | Sound production apparatus and portable terminal |
| US11477577B2 (en) | 2018-06-25 | 2022-10-18 | Goertek Inc. | Sounding device and portable terminal |
| US11317217B2 (en) | 2018-06-25 | 2022-04-26 | Goertek Inc. | Sound device and portable terminal |
| WO2020000930A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound generation device and portable terminal |
| WO2020000925A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sounding device and portable terminal |
| WO2020000985A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Sound production apparatus and portable terminal |
| WO2020000984A1 (en) * | 2018-06-25 | 2020-01-02 | 歌尔股份有限公司 | Microphone device and portable terminal |
| CN109275074A (en) * | 2018-09-30 | 2019-01-25 | 瑞声科技(新加坡)有限公司 | Microphone device |
| CN109275074B (en) * | 2018-09-30 | 2020-12-22 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2020087757A1 (en) * | 2018-11-02 | 2020-05-07 | 歌尔股份有限公司 | Sounding device and earphone |
| CN109511061A (en) * | 2018-12-27 | 2019-03-22 | 歌尔股份有限公司 | Mini-sound device and electronic product |
| CN109511061B (en) * | 2018-12-27 | 2024-04-05 | 歌尔股份有限公司 | Miniature sound generating device and electronic product |
| CN109462806B (en) * | 2018-12-29 | 2024-02-09 | 歌尔股份有限公司 | Loudspeaker |
| CN109462806A (en) * | 2018-12-29 | 2019-03-12 | 歌尔股份有限公司 | Loudspeaker |
| WO2020181888A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Electronic apparatus |
| WO2020181891A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound production apparatus and electronic device |
| WO2020181893A1 (en) * | 2019-03-14 | 2020-09-17 | 歌尔股份有限公司 | Sound generation device and electronic product |
| CN111698621B (en) * | 2019-03-14 | 2023-04-07 | 歌尔股份有限公司 | Sound production device and electronic product |
| CN111698621A (en) * | 2019-03-14 | 2020-09-22 | 歌尔股份有限公司 | Sound production device and electronic product |
| CN109905827A (en) * | 2019-03-21 | 2019-06-18 | 维沃移动通信有限公司 | A kind of vibration-sound generating device and mobile terminal |
| CN110856087A (en) * | 2019-11-25 | 2020-02-28 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN110856087B (en) * | 2019-11-25 | 2021-07-13 | 歌尔股份有限公司 | Speaker and electronic apparatus |
| CN111405421A (en) * | 2019-12-27 | 2020-07-10 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2021134188A1 (en) * | 2019-12-30 | 2021-07-08 | 瑞声声学科技(深圳)有限公司 | Sound generation device |
| CN111343542A (en) * | 2020-03-05 | 2020-06-26 | 瑞声科技(新加坡)有限公司 | Loudspeaker box |
| WO2021223261A1 (en) * | 2020-05-07 | 2021-11-11 | 瑞声声学科技(深圳)有限公司 | Loudspeaker box |
| CN111641906A (en) * | 2020-06-24 | 2020-09-08 | 瑞声科技(新加坡)有限公司 | Sound production device |
| CN111641906B (en) * | 2020-06-24 | 2021-07-09 | 瑞声科技(新加坡)有限公司 | Sound production device |
| WO2022006962A1 (en) * | 2020-07-06 | 2022-01-13 | 瑞声声学科技(深圳)有限公司 | Loudspeaker |
| CN112533112B (en) * | 2020-12-25 | 2022-03-04 | 瑞声新能源发展(常州)有限公司科教城分公司 | Double-magnetic circuit structure and sound production device |
| CN112533112A (en) * | 2020-12-25 | 2021-03-19 | 瑞声新能源发展(常州)有限公司科教城分公司 | Double-magnetic circuit structure and sound production device |
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| CN102333270B (en) | 2015-06-24 |
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Granted publication date: 20150624 Termination date: 20210715 |