CN103856876A - Integrated silent bone conduction vibrator - Google Patents
Integrated silent bone conduction vibrator Download PDFInfo
- Publication number
- CN103856876A CN103856876A CN201410110845.6A CN201410110845A CN103856876A CN 103856876 A CN103856876 A CN 103856876A CN 201410110845 A CN201410110845 A CN 201410110845A CN 103856876 A CN103856876 A CN 103856876A
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- China
- Prior art keywords
- voice coil
- fixed
- bone conduction
- main magnet
- yoke cup
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- 210000000988 bone and bone Anatomy 0.000 title claims abstract description 15
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000004677 Nylon Substances 0.000 claims abstract description 3
- 229920001778 nylon Polymers 0.000 claims abstract description 3
- 230000008030 elimination Effects 0.000 claims description 9
- 238000003379 elimination reaction Methods 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 6
- 238000005516 engineering process Methods 0.000 claims description 6
- 238000003754 machining Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 abstract description 2
- 230000030279 gene silencing Effects 0.000 abstract 5
- 238000011031 large-scale manufacturing process Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 230000010355 oscillation Effects 0.000 description 2
- 210000003625 skull Anatomy 0.000 description 2
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 1
- 210000000860 cochlear nerve Anatomy 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Abstract
The invention discloses an integrated silent bone conduction vibrator relating to the technical field of electroacoustic conversion. The integrated silent bone conduction vibrator comprises a silencing vibration guide plate, a front shell, a connecting pipe, a vibrating arm, a voice coil, a pole piece, a main magnet, a yoke cup and a wiring board, wherein the front shell comprises the connecting pipe and the vibrating arm which are in an integral structure; the front shell is formed by mixing ABS and a nylon material; the front shell is fixed on an open surface of the yoke cup; the silencing vibration guide plate and the voice coil are respectively fixed at the upper and lower ends of the connecting pipe; the pole piece is fixed on one side of the main magnet; the other side of the main magnet is fixed on the inner surface of the bottom of the yoke cup; a through silencing hole is formed in the surface of the silencing vibration guide plate; the smallest inner diameter of the silencing hole is required to be 1.5 times larger than the thickness of the vibration guide plate; the wiring board is arranged on the surface of the bottom of the yoke cup, is made by adopting a printed circuit process and achieves an effect of connecting a voice coil outgoing line and an external circuit. The integrated silent bone conduction vibrator is small in size, light in weight, silent in operation, and simple in structure and facilitates large-scale production.
Description
Technical field
The present invention relates to electroacoustic switch technology field, relate in particular to the quiet bone conduction oscillator of a kind of one.
Background technology
Audio frequency osteoacusis Electromagnetic Vibrator is usually used in the products of helping the disabled such as hearing aids, but existing oscillator machine shakes, sound leaks seriously, complex structural designs, the difficulty of processing of its parts is relatively large, assembly precision requires strict, and the product parameters consistency of processing is poor, and the quality of sound-reducing is also variant, manufacturing cost is high, is not suitable as fashion audio frequency osteoacusis product large-scale promotion and uses.
Summary of the invention
The object of the invention is provides a kind of one quiet bone conduction oscillator for the deficiencies in the prior art.
To achieve these goals, the present invention takes following technical scheme: the quiet bone conduction oscillator of one, comprising eliminates the noise leads vibration plate, fore shell, tube connector, shaker arm, voice coil loudspeaker voice coil, pole piece, main magnet, yoke cup and terminal block.Described fore shell comprises tube connector and shaker arm is structure as a whole, and is fixed on yoke cup opening surface, and noise elimination is led vibration plate and is fixed on tube connector top, and voice coil loudspeaker voice coil is fixed on tube connector bottom, jointly forms electromagnetic assembly.
Pole piece is fixed on a side of main magnet, and the opposite side of main magnet is fixed on yoke cup bottom inner face, and pole piece and main magnet and yoke cup form magnetic circuit assembly jointly.Main magnet is N45 or N50 NdFeB material, and the material of yoke cup is electromagnetism soft iron.
Fore shell and shaker arm and tube connector are structure as a whole.Voice coil loudspeaker voice coil one end is fixed on tube connector bottom, and the part that the other end is wound with voice coil loudspeaker voice coil is freely placed on by pole piece and yoke cup and forms in magnetic gap, and the resistance of voice coil loudspeaker voice coil is 4-8 ohm.
Noise elimination is led vibration plate and is fixed on tube connector top, and its Surface Machining has the sound attenuation hole of perforation.
Be arranged on after the voice coil loudspeaker voice coil accessing to audio electric current in magnetic gap, voice coil loudspeaker voice coil produces vibration under the effect of magnetic field and shaker arm, completes the power conversion of electric current-vibration.The audio frequency vibration producing is led vibration plate and is conducted to skull by being fixed on the noise elimination on tube connector top, is more directly conducted and stimulated auditory nerve to accept sound by skull.
Have the sound attenuation hole of perforation in the Surface Machining of leading vibration plate, the minimum diameter of sound attenuation hole requires to be greater than leads 1.5 times of vibration plate thickness, can make to lead vibration plate and produce air short circuit in the time of vibration, reaches the object of noise elimination.
Also be provided with terminal block in yoke cup lower surface, terminal block adopts printed circuit technology to make, and plays the connection function of voice coil loudspeaker voice coil lead-out wire and external circuit.
The parts of magnetic circuit assembly of the present invention and electric and magnetic oscillation transition components all adopt the one-shot forming such as precision stamping and injection moulding processing technology, microgap coordinates assembling, between electric and magnetic oscillation assembly and magnetic circuit assembly and terminal block, adopt bonding fixing, volume of the present invention is little, lightweight, quiet work, simple in structure, be easy to produce in enormous quantities.
Brief description of the drawings
Fig. 1 is decomposition texture schematic diagram of the present invention.
Fig. 2 is shaker arm schematic diagram of the present invention.
Fig. 3 is that the present invention eliminates the noise and leads vibration plate structural representation.
In figure: 1, eliminate the noise and lead vibration plate; 11, sound attenuation hole; 2, fore shell; 21, tube connector; 22, shaker arm; 3, voice coil loudspeaker voice coil; 4, pole piece; 5, main magnet; 6, yoke cup; 7, terminal block.
Embodiment
Below in conjunction with drawings and Examples, the present invention will be further described:
Shown in Fig. 1, Fig. 2 and Fig. 3, the quiet bone conduction oscillator of one, comprising eliminates the noise leads vibration plate (1), fore shell (2), tube connector (21), shaker arm (22), voice coil loudspeaker voice coil (3), pole piece (4), main magnet (5), yoke cup (6) and terminal block (7).
Described fore shell (2) comprises tube connector (21) and shaker arm (22) is structure as a whole, be fixed on yoke cup (6) opening surface, noise elimination is led vibration plate (1) and is fixed on tube connector (21) top, voice coil loudspeaker voice coil (3) is fixed on tube connector (21) bottom, jointly forms electromagnetic assembly.
Described pole piece (4) is fixed on a side of main magnet (5), and the opposite side of main magnet (5) is fixed on yoke cup (6) bottom inner face, jointly forms magnetic circuit assembly.Main magnet is N45 or N50 neodymium iron boron, and yoke cup (6) adopts electromagnetism soft iron to be processed into.
Described fore shell (2) is structure as a whole with shaker arm (22) and tube connector (21), adopts ABS to add nylon material mixed injection molding and is processed into.
Described voice coil loudspeaker voice coil (3) one end is fixed on tube connector (21) bottom, and the part that the other end is wound with voice coil loudspeaker voice coil is freely placed on by pole piece (4) and yoke cup (6) formation magnetic gap, and the resistance of voice coil loudspeaker voice coil is 4-8 ohm.
Described noise elimination is led vibration plate (1) and is fixed on tube connector (21) top, and its Surface Machining has the sound attenuation hole of perforation, and the minimum diameter of sound attenuation hole is greater than leads 1.5 times of vibration plate thickness.
Described terminal block (7), be fixed on outside, yoke cup (6) bottom, adopt printed circuit board technology to make, its surface is covered with two Copper Foils, Copper Foil one end and voice coil loudspeaker voice coil (31) lead-out wire is electrically connected, and the other end connects external circuit.
The announcement of book and instruction according to the above description, those skilled in the art in the invention can also carry out suitable change and amendment to above-mentioned execution mode.Therefore, the present invention is not limited to embodiment disclosed and described above, also should fall in the protection range of claim of the present invention modifications and changes more of the present invention.In addition,, although used some specific terms in this specification, these terms just for convenience of description, do not form any restriction to the present invention.
Claims (6)
1. the quiet bone conduction oscillator of one, comprising eliminates the noise leads vibration plate (1), fore shell (2), tube connector (21), shaker arm (22), voice coil loudspeaker voice coil (3), pole piece (4), main magnet (5), yoke cup (6) and terminal block (7), it is characterized in that: described fore shell (2) comprises tube connector (21) and shaker arm (22) is structure as a whole, be fixed on yoke cup (6) opening surface; Noise elimination is led vibration plate (1) and is fixed on tube connector (21) top, and voice coil loudspeaker voice coil (3) is fixed on tube connector (21) bottom; Pole piece (4) is fixed on a side of main magnet (5), and the opposite side of main magnet (5) is fixed on yoke cup (6) bottom inner face; Described terminal block (7) is fixed on yoke cup (6) bottom outside, leads vibration plate surface and be also processed with the sound attenuation hole (11) of perforation in noise elimination.
2. the quiet bone conduction oscillator of one according to claim 1, it is characterized in that: described pole piece (4) is fixed on a side of main magnet (5), the opposite side of main magnet (5) is fixed on yoke cup (6) bottom inner face, main magnet is N45 or N50 NdFeB material, and the material of yoke cup (6) is electromagnetism soft iron.
3. the quiet bone conduction oscillator of one according to claim 1, is characterized in that: described fore shell (2) is structure as a whole with shaker arm (22) and tube connector (21), adopts ABS to add nylon material and is mixed.
4. the quiet bone conduction oscillator of one according to claim 1, it is characterized in that: described voice coil loudspeaker voice coil (3) one end is fixed on tube connector (21) bottom, the part that the other end is wound with voice coil loudspeaker voice coil is freely placed on by pole piece (4) and yoke cup (6) formation magnetic gap, and the resistance of voice coil loudspeaker voice coil is 4-8 ohm.
5. the quiet bone conduction oscillator of one according to claim 1, it is characterized in that: described noise elimination is led vibration plate (1) and is fixed on tube connector (21) top, its Surface Machining has the sound attenuation hole of perforation, and the minimum diameter of sound attenuation hole is greater than leads 1.5 times of vibration plate thickness.
6. the quiet bone conduction oscillator of one according to claim 1, is characterized in that: described terminal block (7), be fixed on yoke cup (6) bottom, and adopt printed circuit board technology to make.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110845.6A CN103856876A (en) | 2014-03-24 | 2014-03-24 | Integrated silent bone conduction vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410110845.6A CN103856876A (en) | 2014-03-24 | 2014-03-24 | Integrated silent bone conduction vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103856876A true CN103856876A (en) | 2014-06-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410110845.6A Pending CN103856876A (en) | 2014-03-24 | 2014-03-24 | Integrated silent bone conduction vibrator |
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| CN (1) | CN103856876A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320744A (en) * | 2014-10-20 | 2015-01-28 | 广东佳禾声学科技有限公司 | Vibration sounder device and application thereof |
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|---|---|---|---|---|
| US20060227984A1 (en) * | 2005-04-08 | 2006-10-12 | Microsoft Corporation | Electret-based accelerometer |
| CN201682610U (en) * | 2010-01-13 | 2010-12-22 | 幻响神州（北京）科技有限公司 | Audio frequency electromagnetic vibration energy converter |
| CN202035133U (en) * | 2011-02-21 | 2011-11-09 | 项泽玉 | Integrated active audio frequency electromagnetic vibration sounding oscillator |
| CN202035131U (en) * | 2011-02-21 | 2011-11-09 | 项泽玉 | Attached active audio vibration sounding oscillator |
| CN202931545U (en) * | 2012-11-23 | 2013-05-08 | 项泽玉 | Go chess type mini-sized sound device |
| US20130225915A1 (en) * | 2009-06-19 | 2013-08-29 | Randall Redfield | Bone Conduction Apparatus and Multi-Sensory Brain Integration Method |
| CN203840522U (en) * | 2014-03-24 | 2014-09-17 | 项泽玉 | Mute bone conduction electromagnetic vibration transducer |
| CN203840544U (en) * | 2014-03-24 | 2014-09-17 | 项泽玉 | Mute bone conduction oscillator |
-
2014
- 2014-03-24 CN CN201410110845.6A patent/CN103856876A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20060227984A1 (en) * | 2005-04-08 | 2006-10-12 | Microsoft Corporation | Electret-based accelerometer |
| US20130225915A1 (en) * | 2009-06-19 | 2013-08-29 | Randall Redfield | Bone Conduction Apparatus and Multi-Sensory Brain Integration Method |
| CN201682610U (en) * | 2010-01-13 | 2010-12-22 | 幻响神州（北京）科技有限公司 | Audio frequency electromagnetic vibration energy converter |
| CN202035133U (en) * | 2011-02-21 | 2011-11-09 | 项泽玉 | Integrated active audio frequency electromagnetic vibration sounding oscillator |
| CN202035131U (en) * | 2011-02-21 | 2011-11-09 | 项泽玉 | Attached active audio vibration sounding oscillator |
| CN202931545U (en) * | 2012-11-23 | 2013-05-08 | 项泽玉 | Go chess type mini-sized sound device |
| CN203840522U (en) * | 2014-03-24 | 2014-09-17 | 项泽玉 | Mute bone conduction electromagnetic vibration transducer |
| CN203840544U (en) * | 2014-03-24 | 2014-09-17 | 项泽玉 | Mute bone conduction oscillator |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104320744A (en) * | 2014-10-20 | 2015-01-28 | 广东佳禾声学科技有限公司 | Vibration sounder device and application thereof |
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Application publication date: 20140611 |
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