CN202841509U - Vibration sounding apparatus - Google Patents
Vibration sounding apparatus Download PDFInfo
- Publication number
- CN202841509U CN202841509U CN 201220414925 CN201220414925U CN202841509U CN 202841509 U CN202841509 U CN 202841509U CN 201220414925 CN201220414925 CN 201220414925 CN 201220414925 U CN201220414925 U CN 201220414925U CN 202841509 U CN202841509 U CN 202841509U
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- vibration
- voice coil
- wall
- bowl
- oscillating plate
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Abstract
The utility model provides a vibration sounding apparatus, comprising a vibration monomer and a resonance medium. The vibration monomer comprises a basin stand, a vibration plate supported on the basin stand, a voice coil assembly fixed to the vibration plate and a magnetic circuit system accommodated in the basin stand. The magnetic circuit system comprises a magnetic bowl provided with a bowl bottom and a bowl wall, wherein the vibration monomer also comprises a supporting part prepared by soft silica gel and used for fixedly supporting the vibration plate on the basin stand; the supporting part comprises a bottom wall and a sidewall which commonly form an accommodating space; the vibration plate is arranged in the accommodating space. Te vibration monomer also comprises a positioning wall fixedly arranged at the bowl bottom; the voice coil assembly is adjacent to one side of the positioning wall. Compared with prior arts, the vibration sounding apparatus has the characteristics of an excellent low frequency acoustic performance, a stable performance and good reliability.
Description
[technical field]
The utility model relates to a kind of vibration-sound generating device, relates in particular to a kind of vibration-sound generating device that is used on the portable type electronic product.
[background technology]
Fast development along with science and technology, people are more and more higher to the pursuit of quality of the life, and portable multimedia audio-visual equipment such as notebook computer, mobile phones etc. are as experience terminal equipment important in the daily life, people are also more and more higher to its requirement, particularly to the performance requirement of its audio, no longer be satisfied with the audio of high intermediate frequency, more pursue the low frequency audio.And be used in the sounding that generating means on the terminal equipment more focuses on high intermediate frequency, thus, the vibration-sound generating device that can produce the low frequency sounding is just developed and is optimized.
The vibration-sound generating device involving vibrations monomer of correlation technique comprises the basin frame with the resonance media that links to each other with described vibration monomer, described vibration monomer, be supported on oscillating plate on the described basin frame, be sticked on described oscillating plate voice coil loudspeaker voice coil and be contained in magnetic circuit system in the described basin frame.Yet, the vibration-sound generating device of correlation technique is as elastic component described vibration to be fixedly supported on the described basin frame after making ring by steel disc or copper sheet etc., the elastic component of this structure has larger consumption, the transfer ratio of energy is low, and described elastic component hardness is large, compliance is little, has greatly reduced the transfer ratio of energy.Thereby had a strong impact on the acoustical behavior of correlation technique vibration-sound generating device.In addition, voice coil loudspeaker voice coil is not located in the vibration-sound generating device of correlation technique, and voice coil loudspeaker voice coil may produce skew during vibration plate vibrates, and then affects the reliability of relative technological products.
Therefore, being necessary to propose a kind of new vibration-sound generating device overcomes the problems referred to above in fact.
[utility model content]
It is excellent that the technical problem that the utility model need solve provides a kind of frequency acoustic performance, the vibration-sound generating device of stable performance.
According to above-mentioned technical problem, designed a kind of vibration-sound generating device, its objective is such realization: a kind of vibration-sound generating device, its involving vibrations monomer and the resonance media that links to each other with described vibration monomer, described vibration monomer comprises the basin frame, be supported on the oscillating plate on the described basin frame, be fixed on the voice coil loudspeaker voice coil assembly on the described oscillating plate and be contained in the interior magnetic circuit system of described basin frame, described magnetic circuit system comprises the magnetic bowl, the bowl wall that extends at the bottom of described magnetic bowl is provided with bowl and by the bending of the described bowl end, it is characterized in that: described vibration monomer also comprises described oscillating plate is fixedly supported on the support portion that the soft silica gel on the described basin frame is made, described support portion comprises diapire and the sidewall that is extended by the bending of described diapire and be fixedly linked with described basin frame, described diapire and described sidewall form receiving space jointly, described oscillating plate is arranged in the described receiving space, described vibration monomer also comprises the location wall that is fixed on the described bowl of end, and described voice coil loudspeaker voice coil assembly is abutted against described location wall.
Preferably, described location wall in the form of a ring, the outside of described location wall and described bowl wall are sticked, described voice coil loudspeaker voice coil assembly abuts against the inboard of described location wall.
Preferably, described voice coil loudspeaker voice coil assembly comprises speech coil framework and the voice coil line of winding on described speech coil framework, and described speech coil framework one end is fixed on the described oscillating plate, and the other end abuts against the inboard of described location wall.
Preferably, described speech coil framework is provided with to described bowl wall direction limiting section outstanding and between described voice coil line and described location wall, an end of described limiting section close described voice coil line of the described location of butt wall when free state.
Preferably, described location wall is made by the soft silica gel material.
Preferably, described location pars intramuralis setting is hollow form.
Compare with correlation technique, the utility model vibration-sound generating device performance is more stable, and the frequency acoustic performance is more excellent.
[description of drawings]
Fig. 1 is the structural representation of the utility model vibration-sound generating device one embodiment.
Fig. 2 is Fig. 1 part-structure enlarged drawing.
[embodiment]
The utility model is described in further detail below in conjunction with drawings and embodiments.
Shown in Fig. 1-2, a kind of vibration-sound generating device 10, its involving vibrations monomer 1 and with the resonance media 2 that links to each other of vibration monomer 1, vibration monomer 1 comprises basin frame 11, be supported on oscillating plate 12 on the basin frame 11, be fixed on the voice coil loudspeaker voice coil assembly 13 on the oscillating plate 12 and be contained in the interior magnetic circuit system (not label) of basin frame 11.Magnetic circuit system comprises magnetic bowl 15, place the magnet 16 in magnetic bowl 15 interior centre positions and the pole piece 17 on magnet 16 of being sticked, and forms magnetic gap between magnetic bowl 15 and the magnet 16, and 13 of voice coil loudspeaker voice coil assemblies are to be suspended in the magnetic gap by oscillating plate 12.At the bottom of magnetic bowl 15 is provided with bowl 151 and the bowl wall 152 that extended by 151 bendings at the bottom of the bowl.Wherein, vibration monomer 1 also comprises oscillating plate 12 is fixedly supported on the support portion 14 that the soft silica gel on the basin frame 11 is made.Up-down vibration during the 13 energising work of voice coil loudspeaker voice coil assembly, thus drive oscillating plate 12 vibrations, and oscillating plate 12 drives the resonance media 2 that joins with it and make resonance media 2 produce resonance, thus send low-frequency sound.In the present embodiment, resonance media 2 is take desktop as example, and certainly, resonance media 2 is not limited to this, also can be the media such as computer, Mobile phone screen, slab construction medium preferably, but its principle is all the same.
Concrete, support portion 14 comprises diapire 141 and the sidewall 142 that is bent extension and be fixedly linked with basin frame 11 by diapire 141, diapire 141 and the sidewall 142 common receiving spaces (not label) that form, and oscillating plate 12 is arranged in the receiving space.Vibration monomer 1 also comprise be fixed on bowl at the bottom of 151 location wall 143, voice coil loudspeaker voice coil assembly 13 is abutted against location wall 143, can be that the outside that abuts against location wall 143 also can be inboard.Owing to location wall 143 is arranged in magnetic gap and a fixing bowl end 151, it is located voice coil loudspeaker voice coil assembly 13, locates wall 143 so that voice coil loudspeaker voice coil assembly 13 can not produce lateral shift when up-down vibration, thereby has improved the reliability of vibration-sound generating device 10.In the present embodiment, locate wall 143 in the form of a ring, the outside of location wall 143 is sticked with a bowl wall 152, and voice coil loudspeaker voice coil assembly 13 abuts against the inboard of location wall 143.This structure has been reinforced its location degree so that location wall 143 has the two sides supported, has more reliability when 143 pairs of voice coil loudspeaker voice coil assemblies of wall 13 are located so that locate.More excellent, voice coil loudspeaker voice coil assembly 13 comprises speech coil framework 131 and the winding voice coil line 132 on speech coil framework 131.Speech coil framework 131 1 ends are fixed on the oscillating plate 12, and the other end abuts against the inboard of location wall 143.
Make for the soft silica gel material owing to support portion 14 again, it has larger elasticity, thereby can provide larger compliance for oscillating plate 2, so that the reduction of the resonance frequency of vibration-sound generating device 10, thereby so that the low frequency audio of vibration-sound generating device 10 is better.And, for assembling, as long as the support portion 14 that soft silica gel is made struts, oscillating plate 12 and voice coil loudspeaker voice coil assembly 13 can be attached in the support portion, assembling is simple.So-called compliance is vibration equivalent compliance Cms, and its value is exactly the Cms=1/k reciprocal of elastic stiffness, and k is elastic stiffness.Resonance frequency is f0=1/ { 2*pi*sqr(Mms*Cms) }, and Mms is the vibration equivalent quality, and f0 is resonance frequency, and it is large that Cms becomes, and f0 then diminishes.
141 of the diapires of support portion 14 have formed the coupling between oscillating plate 12 and resonance media 2, that is to say that oscillating plate 12 is connected with resonance media 2 by diapire 141.Because diapire 141 is to be made by the soft silica gel material, it has very strong absorption affinity, and this structure is with respect to better with coupling effect for oscillating plate 12 direct-couplings are on resonance media 2.It is higher also to be that diapire 141 that oscillating plate 12 is made by the soft silica gel material passes on vibration force to the transmission efficiency of resonance media 2, reduced the loss of energy (vibration force) in transmittance process, thereby so that the acoustical behavior of vibration-sound generating device 10 is more excellent.
In the present embodiment, speech coil framework 131 is provided with to bowl wall 152 directions limiting section 1311 outstanding and between voice coil line 132 and location wall 143, an end of limiting section 1311 close voice coil line 132 of butt location wall 143 when free state.The liberty state refers to the state of vibration-sound generating device 10 idle the time in the present embodiment.Thereby 1311 pairs of voice coil loudspeaker voice coil assemblies 13 of limiting section have formed supporting role, and then oscillating plate 12 has also been formed certain supporting role.
More excellent, location wall 143 is made by the soft silica gel material, so that location wall 143 has very large pliability.When oscillating plate 12 vibration, location wall 143 can produce deformation along the direction of vibration of oscillating plate 12, that is to say location wall 143 because having very large elasticity, can be along the direction of vibration deformation of oscillating plate 12, thus reduce to hinder the resistance that oscillating plate 12 vibrates as far as possible.When oscillating plate 12 reversal of vibrations, the location wall 143 that deformation occurs will recover deformation, thereby is equivalent to oscillating plate 12 is produced a kind of thrust, strengthens the vibration force of oscillating plate 12.
Specifically, when oscillating plate 12 to away from the vibration of the direction of resonance media 2 time, location wall 143 props up oscillating plate 12 by the limiting section 1311 on the speech coil framework 131 and produces deformation, the vibration force of oscillating plate 12 can be stored in and located in the wall 143 this moment; When oscillating plate 12 vibrated to the direction of close resonance media 2, location wall 143 recovered deformation, thereby the vibration force that will be stored in wherein discharges, and passes to oscillating plate 12 by speech coil framework 131, is equivalent to increase the thrust of oscillating plate 12.Thereby can make vibration-sound generating device 10 can send louder low-frequency sound.
In the present embodiment, wall 143 inner settings in location are hollow form, be about to locate wall 143 inner hollow outs and form its inner cavity 144, this structure can make location wall 143 easier deformation, have more pliability, thereby for oscillating plate 12 provides larger compliance, further fall the resonance frequency of end vibration-sound generating device 10, so that the low-frequency effect of vibration-sound generating device 10 is more excellent.
In the present embodiment, support portion 14 and location wall 143 are not all to be limited to the soft silica gel material to make in fact, so long as it is all right to have a larger flexible material, its principle all.
Compare with correlation technique, support portion and location wall that the utility model vibration-sound generating device uses the soft silica gel material to make to support oscillating plate, by support portion and location wall oscillating plate and voice coil loudspeaker voice coil assembly are carried out spacing, thereby improved the reliability of vibrative sound producing device.Again because the location wall has larger pliability, larger compliance is provided during not only for vibration plate vibrates, the vibration-sound generating device resonance frequency is reduced, and make the vibration of oscillating plate stronger, optimized the low frequency audio of vibration-sound generating device, the diapire of support portion also provides better coupling effect for oscillating plate and resonance media, thereby the loss of energy when reducing vibration plate vibrates has further strengthened the low frequency audio of vibration-sound generating device.
Above-described only is execution mode of the present utility model; should be pointed out that for the person of ordinary skill of the art at this, under the prerequisite that does not break away from the utility model creation design; can also make improvement, but these all belong to protection range of the present utility model.
Claims (6)
1. vibration-sound generating device, its involving vibrations monomer and the resonance media that links to each other with described vibration monomer, described vibration monomer comprises the basin frame, be supported on the oscillating plate on the described basin frame, be fixed on the voice coil loudspeaker voice coil assembly on the described oscillating plate and be contained in the interior magnetic circuit system of described basin frame, described magnetic circuit system comprises the magnetic bowl, the bowl wall that extends at the bottom of described magnetic bowl is provided with bowl and by the bending of the described bowl end, it is characterized in that: described vibration monomer also comprises described oscillating plate is fixedly supported on the support portion that the soft silica gel on the described basin frame is made, described support portion comprises diapire and the sidewall that is extended by the bending of described diapire and be fixedly linked with described basin frame, described diapire and described sidewall form receiving space jointly, described oscillating plate is arranged in the described receiving space, described vibration monomer also comprises the location wall that is fixed on the described bowl of end, and described voice coil loudspeaker voice coil assembly is abutted against described location wall.
2. vibration-sound generating device according to claim 1 is characterized in that: described location wall in the form of a ring, the outside of described location wall and described bowl wall are sticked, described voice coil loudspeaker voice coil assembly abuts against the inboard of described location wall.
3. vibration-sound generating device according to claim 2, it is characterized in that: described voice coil loudspeaker voice coil assembly comprises speech coil framework and the voice coil line of winding on described speech coil framework, described speech coil framework one end is fixed on the described oscillating plate, and the other end abuts against the inboard of described location wall.
4. vibration-sound generating device according to claim 3, it is characterized in that: described speech coil framework is provided with to described bowl wall direction limiting section outstanding and between described voice coil line and described location wall, an end of described limiting section close described voice coil line of the described location of butt wall when free state.
5. vibration-sound generating device according to claim 4, it is characterized in that: described location wall is made by the soft silica gel material.
6. vibration-sound generating device according to claim 5, it is characterized in that: the pars intramuralis setting of described location is hollow form.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414925 CN202841509U (en) | 2012-08-21 | 2012-08-21 | Vibration sounding apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220414925 CN202841509U (en) | 2012-08-21 | 2012-08-21 | Vibration sounding apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202841509U true CN202841509U (en) | 2013-03-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220414925 Expired - Fee Related CN202841509U (en) | 2012-08-21 | 2012-08-21 | Vibration sounding apparatus |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202841509U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104254038A (en) * | 2013-06-25 | 2014-12-31 | 深圳市魅动音响有限公司 | Resonance sound equipment generator, foundation and manufacturing method for foundation |
| CN105635920A (en) * | 2016-02-22 | 2016-06-01 | 成都聚智工业设计有限公司 | Novel audio vibration device |
| WO2021063113A1 (en) * | 2019-09-30 | 2021-04-08 | 朱达云 | Bone conduction loudspeaker, bone conduction earphone, and bone conduction hearing aid |
-
2012
- 2012-08-21 CN CN 201220414925 patent/CN202841509U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104254038A (en) * | 2013-06-25 | 2014-12-31 | 深圳市魅动音响有限公司 | Resonance sound equipment generator, foundation and manufacturing method for foundation |
| CN104254038B (en) * | 2013-06-25 | 2016-03-09 | 深圳市魅动音响有限公司 | The manufacture method of acoustic resonance generator, base and base thereof |
| CN105635920A (en) * | 2016-02-22 | 2016-06-01 | 成都聚智工业设计有限公司 | Novel audio vibration device |
| WO2021063113A1 (en) * | 2019-09-30 | 2021-04-08 | 朱达云 | Bone conduction loudspeaker, bone conduction earphone, and bone conduction hearing aid |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee after: AAC TECHNOLOGIES (NANJING) Co.,Ltd. Patentee after: AAC Acoustic Technologies (Changzhou) Co.,Ltd. Co-patentee after: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC Acoustic Technology Research Development (Nanjing) Co.,Ltd. Patentee before: AAC Acoustic Technologies (Changzhou) Co.,Ltd. Co-patentee before: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170602 Address after: Singapore Ang Mo Kio 65 Street No. 10 techpoint Building 1 floor, No. 8 Co-patentee after: AAC Acoustic Technologies (Changzhou) Co.,Ltd. Patentee after: AAC TECHNOLOGIES Pte. Ltd. Co-patentee after: AAC TECHNOLOGIES (NANJING) Co.,Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC TECHNOLOGIES (NANJING) Co.,Ltd. Patentee before: AAC Acoustic Technologies (Changzhou) Co.,Ltd. Co-patentee before: AAC ACOUSTIC TECHNOLOGIES (SHENZHEN) Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130327 Termination date: 20210821 |