CN202218203U - Piezoelectric vibrator - Google Patents
Piezoelectric vibrator Download PDFInfo
- Publication number
- CN202218203U CN202218203U CN 201120321111 CN201120321111U CN202218203U CN 202218203 U CN202218203 U CN 202218203U CN 201120321111 CN201120321111 CN 201120321111 CN 201120321111 U CN201120321111 U CN 201120321111U CN 202218203 U CN202218203 U CN 202218203U
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- oscillator
- piezoelectric
- mass
- holder
- piezoelectric vibrator
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Abstract
The utility model relates to a piezoelectric vibrator, which comprises a casing with an accommodating space and a vibration unit accommodated in the accommodating space. The vibration unit is provided with an oscillator and a mass block connected with the oscillator, the oscillator is provided with a substrate, a first piezoelectric sheet and a second piezoelectric sheet, wherein the first piezoelectric sheet and the second piezoelectric sheet are arranged on two sides of the substrate. The vibration unit is further provided with an independent first clamping piece for clamping the oscillator and the mass block. The piezoelectric vibrator can well connect the mass block and the oscillator, and avoids damage of the oscillator caused by long-term motion of the oscillator, thereby prolonging service life of the oscillator, enhancing performance of the oscillator, and improving vibration performance.
Description
[technical field]
The utility model relates to a kind of vibrator, relates in particular to a kind of piezoelectric vibrator that can be applicable to most portable type electronic products.
[background technology]
Along with development of electronic technology; Portable consumer property electronic product more and more receives pursuing of people; Like mobile phone, handheld device, guider or palm multimedia entertainment equipment etc.; Generally all can use vibrating motor and do system feedback, such as vibrational feedback of the incoming call prompting of mobile phone, information indicating, navigation hint, game machine etc.Use so widely, just require the performance of vibrating motor high, long service life.
Piezoelectric vibrator is a kind of as vibrator;, while volume little and frivolous be widely used few owing to its number of elements; By extensively on mobile phone, is a kind of alerting pattern of cell phone incoming call like piezoelectric vibrator, makes incoming call that people feel mobile phone dynamically or information indicating.
Generally; Piezoelectric vibrator comprises piezoelectric vibrator and links to each other with piezoelectric vibrator and in order to adding the mass of strong vibration, and piezoelectric vibrator comprised the core oscillating action substrate and be arranged at the piezoelectric board on substrate both sides, can extend the connecting portion that is connected with mass from the both sides of the edge of substrate or piezoelectric patches usually; But when driving mass when oscillator generation inverse piezoelectric effect and together vibrating; Being connected stress and can strengthening gradually between this connecting portion and mass, and along with the direction of vibrator towards high vibratory output develops with the long-term reciprocating motion of oscillator and mass, certainly will input voltage and vibration frequency to strengthen; Like this; Will increase and substrate or piezoelectric patches are ruptured, cause oscillator impaired, thereby reduce greatly the vibration performance and the useful life of piezoelectric vibrator pullling of connecting portion.
Therefore, be necessary to provide a kind of new piezoelectric vibrator to solve above-mentioned defective.
[utility model content]
The technical problem that the utility model need solve is to provide a kind of piezoelectric vibrator that can strengthen self in useful life.
The utility model solves the problems of the technologies described above through following technical scheme:
A kind of piezoelectric vibrator; It comprises the shell that is provided with spatial accommodation and is contained in the vibration unit in the spatial accommodation; The mass that said vibration unit is provided with oscillator and links to each other with oscillator, said oscillator is provided with substrate, is located at first piezoelectric patches and second piezoelectric patches of substrate both sides, wherein; Said vibration unit also is provided with independently, is used for first holder of clamping oscillator and mass.
As a kind of improvement of the utility model, said first holder is ㄈ shape, and it is provided with first fixed part that is connected on first piezoelectric patches, extends and be held on a pair of first connecting portion of the outside of oscillator and mass from the first fixed part two ends.
As a kind of improvement of the utility model, be provided with first pad between said first fixed part and first piezoelectric patches.
As a kind of improvement of the utility model, be provided with second pad between said second piezoelectric patches and the mass.
As a kind of improvement of the utility model, said mass has thick middle, the narrow symmetrical structure in both sides.
As a kind of improvement of the utility model, second holder that said vibration unit also is provided with, the direction of said second holder and said first holder is relatively and be connected.
As a kind of improvement of the utility model, said second holder is ㄈ shape, and it is provided with second fixed part that is connected on the mass, extends and be held on a pair of second connecting portion of the first connecting portion outer surface of first holder from the second fixed part two ends.
A kind of improvement as the utility model; Said substrate comprises the edge part that two piezoelectric patches are extended and exceed at the main part that links to each other with two piezoelectric patches and autonomous body two ends, and said two piezoelectric patches are provided with the lead-in wire that is electrically connected with external circuit with edge part.
The utlity model has following advantage: the piezoelectric vibrator of the utility model is provided with first holder that connects oscillator and mass; And first fixed part that this first holder is provided with on first piezoelectric patches that is fixed in oscillator reaches first connecting portion that extends and be held on the long side both sides of oscillator and mass from the both sides of first fixed part; Like this; Clamping through first clamping part just can better link together mass and oscillator; Avoid that the long-term motion because of oscillator causes the impaired phenomenon of oscillator in the correlation technique, thereby strengthen the useful life and the performance of oscillator, improve the vibration performance of product.
[description of drawings]
Fig. 1 is the stereogram of the utility model piezoelectric vibrator;
Fig. 2 is the part three-dimensional exploded view of the utility model piezoelectric vibrator;
Fig. 3 is the three-dimensional exploded view of the vibration unit of the utility model piezoelectric vibrator;
Fig. 4 is the enlarged drawing of regional A among Fig. 2.
[embodiment]
Below in conjunction with accompanying drawing and execution mode the utility model is described further.
The utility model piezoelectric vibrator 10 is used for most of electronic products, and being used for provides stronger vibration prompt function to the user.
As illustrated in fig. 1 and 2, be the structural representation of a kind of preferred embodiments of the utility model piezoelectric vibrator.Said piezoelectric vibrator 10 mainly comprises the screw 13 of the shell 11 that is provided with spatial accommodation 113, the vibration unit 12 of accommodating and being suspended in spatial accommodation 113 and fixed housing 11 and vibration unit 12.Vibration unit 12 comprises oscillator 120, increases the mass 121 of oscillator 120 vibratory outputs, and shell 11 is bar shaped, and it comprises pedestal 110, upper shell 111, lower house 112.
In the lump with reference to Fig. 3, oscillator 120 comprises substrate 201, is located at first piezoelectric patches 202 of substrate 201 1 sides and is located at substrate 201 opposite sides and second piezoelectric patches 203 adjacent with mass 121.Two extensions 107 of first piezoelectric patches 202 and second piezoelectric patches 203 are extended and exceed at the two ends that substrate 201 is provided with the main part 106 that links to each other with second piezoelectric patches 203 with first piezoelectric patches 202 and autonomous body 106; This extension 107 is used for linking to each other with external fixation device; In the present embodiment; Extension 107 is provided with and first through hole 104 of upper shell 111 and groove 105 corresponding second through holes 108 of lower house 112, and screw 13 just can be assembled in vibration unit 12 in the shell 11 through first through hole 104, second through hole 108 and groove 105.The edge of main part 106 and extension 107 also is provided with two lead-in wire 109a and 109b and two lead-in wires is fixed in the geometrical clamp 209 on the oscillator 120.Wherein, Geometrical clamp 209 is provided with respectively the first stator 209a that links to each other with first piezoelectric patches 202, second piezoelectric patches 203 and the second stator 209b and is connected the brace 209c of two stators; In the present embodiment; Geometrical clamp 209 is processed by Copper Foil, and the end of lead-in wire 109a is welded on the first stator 209a, and the other end of lead-in wire 109a links to each other with the positive pole of external circuit; Because the first stator 209a and the second stator 209b electrically communicate, make the win piezoelectric patches 202 and second piezoelectric patches 203 also for electrically communicating.The end of lead-in wire 109b links to each other with substrate 201; The other end links to each other with the negative pole of external circuit, and the edge part of substrate 201 links to each other with the brace 209c of geometrical clamp 209, in order not cause the short circuit between substrate 201 and two piezoelectric patches; Then do the surface insulation processing in the junction of brace 209c and substrate 201; Make between substrate 201 and two piezoelectric patches and form field effect, make two piezoelectric patches drive substrates 201 and vibrate, and then drive 121 vibrations of coupled quality.Certainly, the polarity that two lead-in wires connect external circuit can be exchanged, and two lead-in wires connect substrate 201 and two piezoelectric patches also can be exchanged.
Further with reference to Fig. 4; In order to strengthen the fixing of 206 pairs of masses of first holder 121 and oscillator 120; The vibration unit 12 of this enforcement also is provided with second holder 207, and this second holder 207 is positioned at the side of mass 121 away from oscillator, and second holder 207 is provided with second fixed part 710 that is immobilizated on the mass 121, two second connecting portions 720 (comprising the second connecting portion 720a and the second connecting portion 720b) that extend from second fixed part, 710 two ends; Two second connecting portions 720 respectively with the 620 corresponding settings of two first connecting portions; In the present embodiment, the first connecting portion 620a and the overlapping setting of the second connecting portion 720a, the first connecting portion 620b and the overlapping setting of the second connecting portion 720b; And second holder 207 is arranged in outside first holder 206, and the two mode through spot welding is fixedly linked.Like this, mass 121 is fitted together through first holder 206 and second holder 207 that is ㄈ shape with oscillator 120.
In the present embodiment, also be provided with three second pads 131 between second piezoelectric patches 203 and the mass 121, be used to cushion the stress between oscillator 120 and the mass 121, avoid oscillator 120 to receive the extruding of mass 121 and impaired; Also be provided with the 3rd pad 132 between the second surface 103 of mass 121 and lower house 112; Be provided with slot to make way 208 with first holder, 206 corresponding positions on the upper shell 111, be provided with the 4th pad 133 in this slot to make way 208.The effect of the 3rd pad 132 and the 4th pad 133 all is to be used for avoiding vibration unit 12 at vibration processes or run under the situation about falling; Mass 121 strikes lower house 112 and upper shell 111 and influences vibration unit 12 normal vibrations, thereby has guaranteed the operate as normal of vibration unit 12.
Above-described only is the execution mode of the 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 the protection range of the utility model.
Claims (8)
1. piezoelectric vibrator; It comprises the shell that is provided with spatial accommodation and is contained in the vibration unit in the spatial accommodation; The mass that said vibration unit is provided with oscillator and links to each other with oscillator; Said oscillator is provided with substrate, is located at first piezoelectric patches and second piezoelectric patches of substrate both sides, and it is characterized in that: said vibration unit also is provided with independently, is used for first holder of clamping oscillator and mass.
2. piezoelectric vibrator according to claim 1; It is characterized in that: said first holder is ㄈ shape, and it is provided with first fixed part that is connected on first piezoelectric patches, extends and be held on a pair of first connecting portion of the outside of oscillator and mass from the first fixed part two ends.
3. piezoelectric vibrator according to claim 2 is characterized in that: be provided with first pad between said first fixed part and first piezoelectric patches.
4. piezoelectric vibrator according to claim 3 is characterized in that: be provided with second pad between said second piezoelectric patches and the mass.
5. piezoelectric vibrator according to claim 4 is characterized in that: said mass has thick middle, the narrow symmetrical structure in both sides.
6. according to any described piezoelectric vibrator of claim 1 to 5, it is characterized in that: second holder that said vibration unit also is provided with, the direction of said second holder and said first holder are relatively and be connected.
7. piezoelectric vibrator according to claim 6; It is characterized in that: said second holder is ㄈ shape, and it is provided with second fixed part that is connected on the mass, extends and be held on a pair of second connecting portion of the first connecting portion outer surface of first holder from the second fixed part two ends.
8. piezoelectric vibrator according to claim 7; It is characterized in that: said substrate comprises the edge part that two piezoelectric patches are extended and exceed at the main part that links to each other with two piezoelectric patches and autonomous body two ends, and said two piezoelectric patches are provided with the lead-in wire that is electrically connected with external circuit with edge part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120321111 CN202218203U (en) | 2011-08-30 | 2011-08-30 | Piezoelectric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120321111 CN202218203U (en) | 2011-08-30 | 2011-08-30 | Piezoelectric vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202218203U true CN202218203U (en) | 2012-05-09 |
Family
ID=46017428
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120321111 Expired - Lifetime CN202218203U (en) | 2011-08-30 | 2011-08-30 | Piezoelectric vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202218203U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199603A (en) * | 2013-03-20 | 2013-07-10 | 瑞声科技（南京）有限公司 | Piezoelectricity power generation charging system and electronic equipment using piezoelectricity power generation charging system |
| CN105098057A (en) * | 2015-09-14 | 2015-11-25 | 苏州攀特电陶科技股份有限公司 | Novel piezoelectric vibration module |
-
2011
- 2011-08-30 CN CN 201120321111 patent/CN202218203U/en not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103199603A (en) * | 2013-03-20 | 2013-07-10 | 瑞声科技（南京）有限公司 | Piezoelectricity power generation charging system and electronic equipment using piezoelectricity power generation charging system |
| CN105098057A (en) * | 2015-09-14 | 2015-11-25 | 苏州攀特电陶科技股份有限公司 | Novel piezoelectric vibration module |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170523 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 (Singapore) Co., Ltd. Address before: Wujin Nanxiashu town Jiangsu city Changzhou province 213167 Co-patentee before: AAC Acoustic Technologies (Shenzhen) Co., Ltd. Patentee before: AAC Acoustic Technologies (Changzhou) Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120509 |
|
| CX01 | Expiry of patent term |