CN202551341U - Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device - Google Patents
Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device Download PDFInfo
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- CN202551341U CN202551341U CN2012201979909U CN201220197990U CN202551341U CN 202551341 U CN202551341 U CN 202551341U CN 2012201979909 U CN2012201979909 U CN 2012201979909U CN 201220197990 U CN201220197990 U CN 201220197990U CN 202551341 U CN202551341 U CN 202551341U
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Abstract
The utility model discloses an internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device which are provided with two piezoelectric vibrators with different resonant frequencies. A conduction column I of the high resonant frequency piezoelectric vibrator is supported by adopting the combination of the center and the periphery, the end surface of the upper part of the conduction column I is pasted on the lower part of the centre of a copper substrate, the end surface of the lower part of the conduction column I is connected with the periphery of a silica gel plate; a conduction column II of the low resonant frequency piezoelectric vibrator is supported by middle, and is pasted on the centre of the low resonant frequency piezoelectric vibrator without being in contact with the conduction column I of the high resonant frequency piezoelectric vibrator, and the bottom ends of the two conduction columns are abreast and are synchronously pasted with the silica gel plate which is in contact with skin. The internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device has the advantages of solving the problem of narrow representation frequency band of the traditional piezoelectric hearing vibration device to an audio signal, avoiding the condition that a through hole is cut in one piezoelectric vibrator in the structure, reducing influences of damages of the piezoelectric vibrators to an inverse piezoelectric effect, and ensuring that the vibration of a vibration element to be large, the vibration signal to be strong and the representation of the audio signal to have a better effect.
Description
Technical field
The utility model relates to a kind of bone conduction auditory device, and particularly a kind of inside and outside conduction combines double frequency type piezoelectricity bone hearing aid conduction device.
Background technology
Comprise that at present bone conduction auditory devices application such as osteoacusis mobile phone, bone conduction earphone ossiphone are comparatively extensive, bone conduction auditory device is distinguished with dynamo-electric transition form, mainly contains several kinds of electromagnetic type, piezoelectric type, magnetostriction types etc.Now institute ripe what use is the electromagnetic type bone conduction auditory device, but the electromagnetic type bone conduction auditory device exist energy consumption greatly, shortcoming such as Horizon weak effect, electromagnetic interference be big.Magnetostriction type has in advantages such as sound frequency range broad, signal reaction time weak points, but the less shortcoming of stroke makes it be applied in weak effect on the bone conduction auditory device.
The research of the bone conduction auditory device of applying piezoelectric element is more, and applied more and more, all is the applying piezoelectric wafer as acoustic vibration piezoelectric element major part, comprising single chip architecture; Single-chip, twin lamella, laminar structure.All before frequency-division piezoelectric bone conduction auditory devices must cut out through hole in a piezoelectric vibrator therein, and such mechanical wounding damages piezoelectric vibrator easily, influences the effect of its service behaviour and inverse piezoelectric effect.
Summary of the invention
The utility model technical problem to be solved provides and a kind ofly can solve inside and outside conduction that existing piezoelectricity hearing device reproduces the narrow problem of frequency range to audio signal and combine the double frequency type piezoelectric bone conduction auditory device
The utility model is realized through following technical scheme: a kind of inside and outside conduction combines double frequency type piezoelectricity bone hearing aid conduction device; Comprise upper shell; And the lower house that is fixedly connected with upper shell, reach the rubber membrane that is fixedly connected with lower house with upper shell, and be installed in the high resonance frequency piezoelectric vibrator of upper shell inner upper end; And be arranged on the silica gel plate on the rubber membrane; And be installed in the high resonance low resonance frequency piezoelectric vibrator of piezoelectric vibrator lower end frequently, and reaching the audio signal wire of forming by high-frequency signal line and low frequency signal line, said upper shell right side is provided with threading hole; Said high resonance frequency piezoelectric vibrator is made up of piezoelectric chip one and copper base one, and said low resonant frequency piezoelectric vibrator is made up of piezoelectric chip two and copper base two.
As preferably, be provided with conductive post one between around the copper base one centermost bottom of said high resonance frequency piezoelectric vibrator and the silica gel plate.
As preferably, be provided with conductive post two between said low resonant frequency piezoelectric vibrator central lower and the silica gel plate.
As preferably, the high-frequency signal line in the said audio signal wire is connected with piezoelectric chip one through threading hole, and the low frequency signal line passes through threading hole and is connected with piezoelectric chip two.
As preferably, said silica gel plate is made up of inner ring, outer ring and three parts of cross supporting frame.
As preferably, said conductive post one is concordant with conductive post two bottoms.
The beneficial effect of the utility model is: inside and outside conduction combines the structure of double frequency type piezoelectricity bone hearing aid conduction device to solve existing piezoelectricity hearing device to the narrow problem of audio signal reproduction frequency range; And avoided to cut out through hole in a piezoelectric vibrator therein in the structure; Minimizing is to the destruction of piezoelectric vibrator with to its negative piezoelectric effect; Make that the vibrating elements vibration is big, vibration signal is strong, to the existing again effect preferably of audio signal.
Description of drawings
In order to be easy to explanation, the utility model is done to describe in detail by following specific embodiment and accompanying drawing.
Fig. 1 is the overall structure cutaway view that the inside and outside conduction of the utility model combines double frequency type piezoelectricity bone hearing aid conduction device;
Fig. 2 is the elastic support structure figure that the inside and outside conduction of the utility model combines double frequency type piezoelectricity bone hearing aid conduction device;
Fig. 3 is the structural representation that the inside and outside conduction of the utility model combines the silica gel plate of double frequency type piezoelectricity bone hearing aid conduction device.
Embodiment
Like Fig. 1, Fig. 2 and shown in Figure 3, a kind of inside and outside conduction of the utility model combines double frequency type piezoelectricity bone hearing aid conduction device, comprises upper shell 1; And the lower house 10 that is fixedly connected with upper shell 1; Reach the rubber membrane 4 that is fixedly connected with lower house 10 with upper shell 1, and be installed in the high resonance frequency piezoelectric vibrator of upper shell 1 inner upper end, and be arranged on the silica gel plate 2 on the rubber membrane 4; And be installed in the high resonance low resonance piezoelectric vibrator frequently of piezoelectric vibrator lower end frequently; Reach the audio signal wire of being made up of high-frequency signal line and low frequency signal line 12, audio signal wire 12 is connected with the metal trim ring, and said upper shell 1 right side is provided with threading hole 11; Said high resonance frequency piezoelectric vibrator is formed by piezoelectric chip 1 with at copper base 1, and said low resonant frequency piezoelectric vibrator is made up of piezoelectric chip 26 and copper base 25.
Wherein, be provided with conductive post 1 between around the copper base one 9 centermost bottoms of said high resonance frequency piezoelectric vibrator and the silica gel plate 2; Be provided with conductive post 27 between said low resonant frequency piezoelectric vibrator central lower and the silica gel plate 2; High-frequency signal line in the said audio signal wire 12 is connected with piezoelectric chip 1 through threading hole 11, and the low frequency signal line is connected with piezoelectric chip 26 through threading hole 11; Said silica gel plate 2 is made up of inner ring 13, outer ring 14 and 15 3 parts of cross supporting frame, and the conductive post 1 of high resonance frequency piezoelectric vibrator did not exert an influence mutually with the conductive post 27 of low resonant frequency piezoelectric vibrator when such design can make hearing device work; Said conductive post 1 is concordant with conductive post 27 bottoms.
When applying the audio frequency wire size; Audio signal is through handling; High resonance frequency piezoelectric vibrator on high signal is entered, because the resonance frequency of its oscillator is higher, its vibrating effect is better; Drive conductive post 1 and vibrate with rubber membrane 4, do not receive that the low resonant frequency piezoelectric vibrator of audio signal excitation does not just produce vibration with the discontiguous silica gel plate 2 of head; When the audio signal that gets into is a low frequency signal; When getting into the low resonant frequency piezoelectric vibrator; Oscillator drives 27 pairs of silica gel plates of conductive post 2 and vibrates with rubber membrane 8; The high resonance frequency piezoelectric vibrator that does not receive the high audio signal excitation does not vibrate, and the conductive post 3 of high resonance frequency is not exerted an influence.
The beneficial effect of the utility model is: inside and outside conduction combines the structure of double frequency type piezoelectricity bone hearing aid conduction device to solve existing piezoelectricity hearing device to the narrow problem of audio signal reproduction frequency range; And avoided to cut out through hole in a piezoelectric vibrator therein in the structure; Minimizing is to the destruction of piezoelectric vibrator with to its negative piezoelectric effect; Make that the vibrating elements vibration is big, vibration signal is strong, to the existing again effect preferably of audio signal.
The above is merely the embodiment of the utility model, but the protection range of the utility model is not limited thereto, and any variation or replacement of expecting without creative work all should be encompassed within the protection range of the utility model.Therefore, the protection range of the utility model should be as the criterion with the protection range that claims were limited.
Claims (6)
1. conduction combines double frequency type piezoelectricity bone hearing aid conduction device inside and outside one kind; It is characterized in that: comprise upper shell; And the lower house that is fixedly connected with upper shell, reach the rubber membrane that is fixedly connected with lower house with upper shell, and be installed in the high resonance frequency piezoelectric vibrator of upper shell inner upper end; And be arranged on the silica gel plate on the rubber membrane; And be installed in the high resonance low resonance frequency piezoelectric vibrator of piezoelectric vibrator lower end frequently, and reaching the audio signal wire of forming by high-frequency signal line and low frequency signal line, said upper shell right side is provided with threading hole; Said high resonance frequency piezoelectric vibrator is made up of piezoelectric chip one and copper base one, and said low resonant frequency piezoelectric vibrator is made up of piezoelectric chip two and copper base two.
2. inside and outside conduction according to claim 1 combines double frequency type piezoelectricity bone hearing aid conduction device, it is characterized in that: be provided with conductive post one between around the copper base one centermost bottom of said high resonance frequency piezoelectric vibrator and the silica gel plate.
3. inside and outside conduction according to claim 1 combines double frequency type piezoelectricity bone hearing aid conduction device, it is characterized in that: be provided with conductive post two between said low resonant frequency piezoelectric vibrator central lower and the silica gel plate.
4. inside and outside conduction according to claim 1 combines double frequency type piezoelectricity bone hearing aid conduction device; It is characterized in that: the high-frequency signal line in the said audio signal wire is connected with piezoelectric chip one through threading hole, and the low frequency signal line is connected with piezoelectric chip two through threading hole.
5. inside and outside conduction according to claim 1 combines double frequency type piezoelectricity bone hearing aid conduction device, it is characterized in that: said silica gel plate is made up of inner ring, outer ring and three parts of cross supporting frame.
6. arbitrary described inside and outside conduction combines double frequency type piezoelectricity bone hearing aid conduction device according to claim 1 to 3, and it is characterized in that: said conductive post one is concordant with conductive post two bottoms.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201979909U CN202551341U (en) | 2012-05-05 | 2012-05-05 | Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012201979909U CN202551341U (en) | 2012-05-05 | 2012-05-05 | Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device |
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| Publication Number | Publication Date |
|---|---|
| CN202551341U true CN202551341U (en) | 2012-11-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012201979909U Expired - Fee Related CN202551341U (en) | 2012-05-05 | 2012-05-05 | Internal and external conduction combined dual-frequency type piezoelectric bone hearing-assisting conduction device |
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| CN (1) | CN202551341U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658305A (en) * | 2017-01-24 | 2017-05-10 | 瑞声科技（南京）有限公司 | Vibrator, electronic device and vibration generation method of vibrator |
-
2012
- 2012-05-05 CN CN2012201979909U patent/CN202551341U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106658305A (en) * | 2017-01-24 | 2017-05-10 | 瑞声科技（南京）有限公司 | Vibrator, electronic device and vibration generation method of vibrator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121121 Termination date: 20130505 |