CN200973173Y - Vabration acoustical generator - Google Patents
Vabration acoustical generator Download PDFInfo
- Publication number
- CN200973173Y CN200973173Y CN 200620015819 CN200620015819U CN200973173Y CN 200973173 Y CN200973173 Y CN 200973173Y CN 200620015819 CN200620015819 CN 200620015819 CN 200620015819 U CN200620015819 U CN 200620015819U CN 200973173 Y CN200973173 Y CN 200973173Y
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- China
- Prior art keywords
- magnetic
- vibration
- shell
- sounding device
- vibration sounding
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- Expired - Lifetime
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Abstract
The utility model provides a vibration sound generator, which comprises a shell, a vibrating film, an acoustic ring connected with the vibrating film, a magnet and pole core composing the system, and at least an elastic lamina hanging the magnetic system, wherein the elastic lamina, the weighing block and the magnetic channel system constitute the vibration system; the weighing block is arranged on the magnetic channel system and forms an integral part; the magnetic channel system has a magnetic clearance, the acoustic ring is in the magnetic ring and the pole core is covered on the magnet; the elastic lamina is arranged on the shell; the shell is provided with at least a group of baffles that can limit the movement scope of the vibration system; one end of the baffle is fixed on the shell and the other end is suspended above the elastic lamina. During use of the vibration sound generator of the utility model, in case of soundless vibration, the vibrating film will not get damaged.
Description
[technical field]
The utility model relates to a kind of vibration sounding device, relates in particular to a kind of incoming call prompting (comprising auditory tone cues and vibration prompt) of portable terminal such as mobile communication mobile phone and multifunction device of call voice output of can be used for.
[background technology]
In the smart mobile phone of traditional mobile communication mobile phone and integrated PDA function, caller voice prompting, calling vibration prompting and three functions of call voice output will lean on three independent devices to finish respectively.Wherein, what carry out voice prompts of incoming call is can only send the news Chinese percussion instrument of simple music or have the more loud speaker of wideband sound scope, and what carry out vibration prompt function is the minisize dc vibrating motor, and the output call voice is receiver.In order to promote the further miniaturization and the lightweight of mobile phone complete machine, a lot of people have developed different multifunctional products, promptly realize vibration and two functions of sounding in a device.
See also U.S. Pat 6208237, as shown in Figure 1, a kind of electricity-machine-acoustical convertor comprises ostiolate housing; Contain the movable part that balancing weight and magnetic circuit are formed, described movable part is installed on the opening of described housing by a latch plate; Be installed in the vibrating diaphragm on the described housing other end opening, described vibrating diaphragm central authorities are stained with voice coil loudspeaker voice coil, the coil of voice coil loudspeaker voice coil double as vibration signal input simultaneously.Described transducer is on original moving-coil type microphone device basis, magnetic circuit system is installed on the latch plate of a suspension arrangement to form, and described magnetic circuit system is fixed together with shell on the moving-coil type microphone device.
When input exchange signal in device, the voice coil loudspeaker voice coil of energising can produce alternating magnetic fields, and interact with magnetic field that magnet forms, if input be the higher audio signal of frequency the time, because of the vibrational system quality of magnetic structure and movable part formation is bigger, the frequency of audio signal is far above its resonance frequency, and it is motionless that vibrational system will keep, voice coil loudspeaker voice coil then can vibrate under the effect of magnetic force back and forth, thereby the vibrating diaphragm that promotes to bond together with voice coil loudspeaker voice coil vibrates and sounding.In addition, when input in device during with the approaching low-frequency alternating signal of vibrational system resonance frequency, vibrational system can produce strong vibration, thereby and is delivered to the mobile phone complete machine by shell and plays suggesting effect.
Therefore the vibration sounding device if the vibrational system Oscillation Amplitude that magnetic circuit and balancing weight constitute is excessive, will constantly clash into vibrating diaphragm under silent state, might damage vibrating diaphragm like this.
[utility model content]
The technical problem of the required solution of the utility model is to provide a kind of vibration sounding device, and it can guarantee that in silent state following time vibrating diaphragm is not damaged.
For solving the problems of the technologies described above, the technical solution of the utility model is: a kind of vibration sounding device is provided, comprises a shell, a vibrating diaphragm, one and the voice coil loudspeaker voice coil, the magnet of forming magnetic circuit system and the pole piece that bond together of vibrating diaphragm, at least one elastic sheet of the described magnetic circuit system of suspension; Described elastic sheet, balancing weight and magnetic circuit system constitute vibrational system, and described balancing weight is arranged on outside the magnetic circuit system, and forms an integral body with it; Described magnetic circuit system tool magnetic gap, described voice coil loudspeaker voice coil is inserted in the magnetic gap, and described pole piece covers on the magnet; Described elastic sheet is installed on the shell; Wherein, but described shell is provided with the catch of at least one group of constrained vibration system motion scope, and an end of described catch is fixed on the shell, and its other end is suspended in the top of elastic sheet.
The element of the magnetic circuit system of described vibration sounding device also comprises a magnetic bowl and a base plate, and described magnet occupy the central authorities of magnetic bowl, and described magnetic gap is formed between magnet and the magnetic bowl; Described base plate is located at the below of magnetic bowl.
The balancing weight of described vibration sounding device is arranged on outside the magnetic bowl, and forms an integral body with it.
Offer a groove on the madial wall of described vibration sounding device shell, an end of described catch and elastic sheet is installed in the groove of shell madial wall.
The contacted end of the spring leaf of described vibration sounding device and magnetic bowl is erected between described balancing weight and the magnetic bowl.
The base plate of described vibration sounding device is provided with the spacing collar of at least one group of available buffer vibration.When vibration sounding device side direction was fallen, restriction was because of the excessive vibrating diaphragm that damages of oscillating component amplitude.
Offer a hole under the magnetic bowl of described vibration sounding device, be provided with one in the described hole and regulate second balancing weight of resonance frequency and vibration force size.
Compared with prior art, but the utility model vibration sounding device is established the catch of at least one group of constrained vibration system motion scope on shell, and during no acoustic vibration, vibrating diaphragm is not damaged.
Moreover, by balancing weight being set, can effectively regulate resonance frequency and vibration force size at the magnetic bowl bottom.
[description of drawings]
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
Fig. 1 is that cuing open of prior art vibration sounding device shown schematic diagram.
Fig. 2 is that cuing open of the utility model vibration sounding device shown schematic diagram.
Fig. 3 is the schematic top plan view of the utility model vibration sounding device spring leaf.
Fig. 4 is the schematic top plan view of the utility model vibration sounding device catch.
Fig. 5 is that cuing open of the utility model vibration sounding device catch shown schematic diagram.
Fig. 6 is the schematic top plan view of the another kind of structure of the utility model vibration sounding device catch.
Fig. 7 is the schematic top plan view of the utility model vibration sounding device spring leaf and catch.
Fig. 8 is the cross-sectional schematic of the utility model vibration sounding device spring leaf and catch.
Fig. 9 is that cuing open of another execution mode of the utility model vibration sounding device shown schematic diagram.
[embodiment]
Below in conjunction with drawings and Examples the utility model is described in further detail:
See also Fig. 1 to Fig. 8, the utility model vibration sounding device comprises a pole piece 10, a magnet 20, a magnetic bowl 30, a base plate 40 and a shell 50.Described pole piece 10, magnet 20, magnetic bowl 30 and base plate 40 are formed magnetic circuit system, are installed in the cavity of described base plate 40 and shell 50 compositions.Described pole piece 10 covers on the magnet 20.
Described magnet 20 occupy the central authorities of magnetic bowl 30, forms magnetic gap 32 between the two, and stretching in the described magnetic gap 32 has a voice coil loudspeaker voice coil 34, is bonded with a vibrating diaphragm 36 on the described voice coil loudspeaker voice coil 34.
Described shell 50 is provided with two spring leafs 52, described two spring leafs 52 and balancing weight 54, and described base plate 40 all is fixed together as a whole with shell 50.Described spring leaf 52 also can be replaced by other elastic sheets.Described spring leaf 52, magnetic circuit system and balancing weight 54 constitute vibrational systems, and described balancing weight 54 is arranged on outside the magnetic bowl 30 in the magnetic circuit system, and form an integral body with magnetic bowl 30.Described spring leaf 52 1 ends are inserted in the groove on shell 50 madial walls (indicating among the figure), and described spring leaf 52 and magnetic bowl 30 contacted ends are erected between described balancing weight 54 and the magnetic bowl 30.Described magnetic circuit system constitutes vibrational system with spring leaf 52, and the elasticity of regulating spring sheet 52 and the quality of magnetic circuit system are to set the vibration frequency and the intensity of vibrational system.Described balancing weight 54 is heavier metal blocks, can change resonance frequency, thereby changes the size of vibration force, plays the effect of buffering vibration thus.
Described shell 50 upper ends are provided with one group of catch 56 that is symmetrically distributed, and described catch 56 1 ends and spring leaf 52 together place in the groove on the shell 50, and its other end then is suspended in spring leaf 52 tops.Described catch 56 can move up and down under the drive of spring leaf 52, but therefore the range of movement of the vibrational system that the range of movement restraining spring sheet 52 of catch 56 and magnetic circuit system are formed, can not clash into because the amplitude of vibrational system is excessive and damage vibrating diaphragm 36.
Described base plate 40 is provided with one group of spacing collar 42 that is symmetrically distributed, and when vibration sounding device side direction was fallen, spacing collar 42 restrictions caused latch plate that excessive deformation takes place because of the oscillating component amplitude is excessive, play the effect of stable prod quality.On the described vibration sounding device shell 50 loam cake 58 is housed, described base plate 40 limits the excessive effect of its amplitude in the time of can bearing vibrational system away from vibrating diaphragm 36.
Please together consult Fig. 9, the utility model vibration sounding device also can be offered a hole 302 for 30 times at the magnetic bowl, second balancing weight 541 is set in the described hole 302,, further reaches the purpose of regulating resonance frequency and vibration force size by material and the volume of adjusting second balancing weight 541.
In the utility model vibration sounding device, spring leaf 52 and catch 56 can be distinguished punching out, are one with shell 50 injection mo(u)ldings then, and shell can adopt the bigger engineering plastics of intensity, and spacing collar 42 and base plate 40 can be produced in batches one by one, assemble again; Middle magnet 20, magnetic bowl 30 and the sound Figure 34 that is stained with vibrating diaphragm 36 can successively be assembled in the vibration sounding device, increase loam cake 58 at last, finish production.
When vibration sounding device described in the utility model is installed on portable terminal such as the mobile phone, signal by peripheral commutation circuit switches, in voice coil loudspeaker voice coil 34, carry prompting with low-frequency alternating signal (frequency is lower than 200Hz), prompting during with high-frequency signal (frequency is more than 200Hz) or calling voice signal, the vibration sounding device can have the calling vibration prompting, caller voice is pointed out or different function such as calling voice output.
Claims (7)
1. vibration sounding device comprises a shell, a vibrating diaphragm, one and the voice coil loudspeaker voice coil, the magnet of forming magnetic circuit system and the pole piece that bond together of vibrating diaphragm, at least one elastic sheet of the described magnetic circuit system of suspension; Described elastic sheet, balancing weight and magnetic circuit system constitute vibrational system, and described balancing weight is arranged on outside the magnetic circuit system, and forms an integral body with it; Described magnetic circuit system tool magnetic gap, described voice coil loudspeaker voice coil is inserted in the magnetic gap, and described pole piece covers on the magnet; Described elastic sheet is installed on the shell; It is characterized in that: but described shell is provided with the catch of at least one group of constrained vibration system motion scope, an end of described catch is fixed on the shell, and its other end is suspended in the top of elastic sheet.
2. vibration sounding device as claimed in claim 1 is characterized in that: the element of described composition magnetic circuit system also comprises a magnetic bowl and a base plate, and described magnet occupy the central authorities of magnetic bowl, and described magnetic gap is formed between magnet and the magnetic bowl; Described base plate is located at the below of magnetic bowl.
3. vibration sounding device as claimed in claim 2 is characterized in that: described balancing weight is arranged on outside the magnetic bowl, and forms an integral body with it.
4. vibration sounding device as claimed in claim 2 is characterized in that: offer a groove on the madial wall of described shell, an end of described catch and elastic sheet is installed in the groove of shell madial wall.
5. vibration sounding device as claimed in claim 3 is characterized in that: described elastic sheet is a spring leaf, and the contacted end of described spring leaf and magnetic bowl is erected between described balancing weight and the magnetic bowl.
6. vibration sounding device as claimed in claim 2 is characterized in that: described base plate is provided with the spacing collar of at least one group of available buffer vibration.
7. vibration sounding device as claimed in claim 2 is characterized in that: offer a hole under the described magnetic bowl, be provided with one in the described hole and regulate second balancing weight of resonance frequency and vibration force size.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015819 CN200973173Y (en) | 2006-11-16 | 2006-11-16 | Vabration acoustical generator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200620015819 CN200973173Y (en) | 2006-11-16 | 2006-11-16 | Vabration acoustical generator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN200973173Y true CN200973173Y (en) | 2007-11-07 |
Family
ID=38884421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200620015819 Expired - Lifetime CN200973173Y (en) | 2006-11-16 | 2006-11-16 | Vabration acoustical generator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN200973173Y (en) |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101365256A (en) * | 2008-09-19 | 2009-02-11 | 瑞声声学科技(常州)有限公司 | Linear vibrator device |
| CN102056059A (en) * | 2011-01-05 | 2011-05-11 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN101453680B (en) * | 2007-11-29 | 2012-08-15 | 金大仁 | Piston type plane loudspeaker |
| CN105491489A (en) * | 2015-12-31 | 2016-04-13 | 歌尔声学股份有限公司 | Multifunctional apparatus having vibration function and sounding function |
| CN105516864A (en) * | 2015-12-31 | 2016-04-20 | 歌尔声学股份有限公司 | Multifunctional device having vibration function and sound producing function |
| CN105516868A (en) * | 2016-01-04 | 2016-04-20 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sounding function |
| CN105979444A (en) * | 2015-12-11 | 2016-09-28 | 北京航天斯达科技有限公司 | Vibration exciter capable of being installed on structure |
| 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 |
| CN103763667B (en) * | 2013-12-31 | 2017-10-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| WO2018024211A1 (en) * | 2016-08-03 | 2018-02-08 | 万魔声学科技有限公司 | Speaker monomer |
| CN103747399B (en) * | 2013-12-31 | 2018-02-16 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| CN108650599A (en) * | 2018-04-28 | 2018-10-12 | 维沃移动通信有限公司 | A kind of motor and mobile terminal |
| CN109462677A (en) * | 2018-09-20 | 2019-03-12 | 浙江省东阳市东磁诚基电子有限公司 | A kind of novel mobile phone sounding device |
| CN110495188A (en) * | 2017-04-13 | 2019-11-22 | 弗莱克斯奥德系统有限公司 | Equipment for generating sound and vibration |
| CN111194560A (en) * | 2017-10-13 | 2020-05-22 | 丰达电机株式会社 | Speaker unit |
| WO2020228344A1 (en) * | 2019-05-14 | 2020-11-19 | 歌尔股份有限公司 | Exciter and electronic device |
-
2006
- 2006-11-16 CN CN 200620015819 patent/CN200973173Y/en not_active Expired - Lifetime
Cited By (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101453680B (en) * | 2007-11-29 | 2012-08-15 | 金大仁 | Piston type plane loudspeaker |
| CN101365256A (en) * | 2008-09-19 | 2009-02-11 | 瑞声声学科技(常州)有限公司 | Linear vibrator device |
| CN102056059A (en) * | 2011-01-05 | 2011-05-11 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN102056059B (en) * | 2011-01-05 | 2014-08-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional acoustic generator |
| CN103763667B (en) * | 2013-12-31 | 2017-10-13 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| CN103747399B (en) * | 2013-12-31 | 2018-02-16 | 瑞声声学科技(深圳)有限公司 | Multifunctional electroacoustic device |
| CN105979444B (en) * | 2015-12-11 | 2020-01-14 | 北京航天斯达科技有限公司 | Vibration exciter capable of being installed on structure |
| CN105979444A (en) * | 2015-12-11 | 2016-09-28 | 北京航天斯达科技有限公司 | Vibration exciter capable of being installed on structure |
| CN105491489A (en) * | 2015-12-31 | 2016-04-13 | 歌尔声学股份有限公司 | Multifunctional apparatus having vibration function and sounding function |
| CN105516864A (en) * | 2015-12-31 | 2016-04-20 | 歌尔声学股份有限公司 | Multifunctional device having vibration function and sound producing function |
| CN105516864B (en) * | 2015-12-31 | 2019-03-26 | 歌尔股份有限公司 | A kind of multi-function device with vibrating function and vocal function |
| CN105491489B (en) * | 2015-12-31 | 2019-04-23 | 歌尔股份有限公司 | Multi-function device with vibrating function and vocal function |
| CN105516868A (en) * | 2016-01-04 | 2016-04-20 | 歌尔声学股份有限公司 | Multifunctional device with vibration function and sounding function |
| CN105516868B (en) * | 2016-01-04 | 2019-05-17 | 歌尔股份有限公司 | A kind of multi-function device with vibrating function and vocal function |
| WO2018024211A1 (en) * | 2016-08-03 | 2018-02-08 | 万魔声学科技有限公司 | Speaker monomer |
| 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 |
| 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 |
| CN110495188A (en) * | 2017-04-13 | 2019-11-22 | 弗莱克斯奥德系统有限公司 | Equipment for generating sound and vibration |
| CN110495188B (en) * | 2017-04-13 | 2021-05-07 | 弗莱克斯奥德系统有限公司 | Apparatus for generating sound and vibration |
| CN111194560A (en) * | 2017-10-13 | 2020-05-22 | 丰达电机株式会社 | Speaker unit |
| CN111194560B (en) * | 2017-10-13 | 2022-02-22 | 丰达电机株式会社 | Speaker unit |
| US11284198B2 (en) | 2017-10-13 | 2022-03-22 | Foster Electric Company, Limited | Speaker unit |
| CN108650599A (en) * | 2018-04-28 | 2018-10-12 | 维沃移动通信有限公司 | A kind of motor and mobile terminal |
| CN109462677A (en) * | 2018-09-20 | 2019-03-12 | 浙江省东阳市东磁诚基电子有限公司 | A kind of novel mobile phone sounding device |
| WO2020228344A1 (en) * | 2019-05-14 | 2020-11-19 | 歌尔股份有限公司 | Exciter and electronic device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20071107 |
|
| EXPY | Termination of patent right or utility model |