CN202435352U - Cell phone piezoelectric ceramic vibrator - Google Patents
Cell phone piezoelectric ceramic vibrator Download PDFInfo
- Publication number
- CN202435352U CN202435352U CN2011204624294U CN201120462429U CN202435352U CN 202435352 U CN202435352 U CN 202435352U CN 2011204624294 U CN2011204624294 U CN 2011204624294U CN 201120462429 U CN201120462429 U CN 201120462429U CN 202435352 U CN202435352 U CN 202435352U
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- vibrator
- piezoelectric ceramic
- sheet
- bicrystal
- housing
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- Apparatuses For Generation Of Mechanical Vibrations (AREA)
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Abstract
The utility model provides a cell phone piezoelectric ceramic vibrator which comprises a vibrator bicrystal sheet, a mass block and a vibrator fixed stand housing. The vibrator fixed stand housing includes an upper housing and a lower housing. The cell phone piezoelectric ceramic vibrator is characterized in that vibrator bicrystal sheet comprises a substrate and a conductive FPCB; a piezoelectric ceramic sheet is attached onto the substrate; internal electrodes and external electrodes that are isolated and insulated from the internal electrodes are arranged among all piezoelectric slices of the piezoelectric ceramic sheet; the mass block and the vibrator bicrystal sheet are fixedly connected together via a mass block fixing band; and the upper half part of the vibrator bicrystal sheet is wholly clamped by the upper fixed stand housing, and the lower half part of the vibrator bicrystal sheet is wholly clamped by the lower fixed stand housing. The cell phone piezoelectric ceramic vibrator helps to provide wide bandwidth through highly sensitive feedback and the output capability, eliminates running noise of a motor during movement of a conventional vibrator, is simple in structure, easy in production and high in mechanical strength, and exhibits fine electric performance and fine dimensional stability.
Description
Technical field
The utility model relates to a kind of mobile phone vibrator, accurately says it is a kind of mobile phone piezo-ceramic vibrators.
Background technology
Piezoelectric ceramic has piezoelectric effect, and so-called piezoelectric effect is meant some medium under the effect of power, produces deformation, causes that dielectric surface is charged, and this is a direct piezoelectric effect.Otherwise, applying excitation electrical field, medium will produce mechanical deformation, claim inverse piezoelectric effect.Convert electric energy to vibration with piezoelectric ceramic, metal is carried out nondestructive inspection, and the merchant that ultrasonic cleaning, transformation transducer, carburetor, textile industry are used blocks comb, the piezoelectric shock principle also can be used on mobile phone like piezoelectric speaker, vibrator etc.
As shown in Figure 1, the mobile phone vibrator that generally uses on the existing market adds that by a miniature common motor cam forms.The vibrations principle: the center of gravity of cam is not on shaft of motor, and when rotating, cam moves in a circle, and produces centrifugal force, because the direction of centrifugal force constantly changes with the rotation of cam, just makes mobile phone produce the vibration of certain amplitude.Problems such as it exists bandwidth comparatively narrow, and the response time is long.So be necessary existing mobile phone vibrator is carried out technological innovation, it is wide to widen working band, and response speed is the mobile phone vibrator faster.
Summary of the invention
The purpose of the utility model provides a kind of mobile phone piezo-ceramic vibrators, and it is comparatively narrow to have solved existing mobile phone vibrator bandwidth, the problem that the response time is long.
The technical scheme of the utility model is: a kind of mobile phone piezo-ceramic vibrators; Involving vibrations device twin lamella, mass and vibrator holder housing; Vibrator holder housing is divided into two parts of lower house, it is characterized in that the vibrator twin lamella includes a substrate and conduction FPCB, attaches piezoelectric ceramic piece on substrate; Have internal electrode between each piezoelectric sheet of said piezoelectric ceramic piece, and the outer electrode of isolating with internal electrode insulation; Mass and vibrator twin lamella rely on the mass fixed band to be fixed together, and the upper fixed seat housing is with the upper integral retaining of vibrator twin lamella, and the lower fixed seat housing is with half of integral retaining under the vibrator twin lamella.
The utility model overall structure can be regarded simple beam structure as.When being activated the function of current on the vibrator twin lamella, because inverse piezoelectric effect produces vibrating effect.Because arc surface two ends method of clamping is double wafer structure fixedly, can form stable vibration output.
The core component vibrator twin lamella of the utility model is the piezoelectric ceramic piece that is pasted on the substrate both side surface.With can required driving voltage be connected after FPCB mounts, solved problems such as the solder joint that twin lamella electrode position bonding wire causes is too high, solder joint comes off, be easy to miniaturization, avoided the unsettled situation of vibration to take place.
The contour structures spare involving vibrations device holder housing of the utility model, it is divided into two parts of lower house, and centering separately makes things convenient for the assembling of twin lamella potsherd, in the assembling clamping process, plays the effect of potsherd positioning and fixing.The utility model mobile phone piezo-ceramic vibrators integral body belongs to encapsulating structure, and overall appearance is only reserved the FPCB wiring position.Exposed motor-driven parts are not arranged in the vibration production process, eliminate necessity infringement that outside exposed moving component produces.When the inner assembling of mobile phone, do not receive position limit, can be according to the practical structures space layout.Advantages such as lower house adopts Reinforced Nylon material plastic rubber shaping on the whole, has better mechanical strength, and dimensional stability is good guarantee that housing has sufficient intensity, guarantee that to reach the seismaesthesia stability and high efficiency spreads out of.
The utility model fast the response time, carries on technical development structure optimization based on the bigger frequency range of piezoelectric ceramic.The beneficial effect of the utility model is, bigger frequency range and capability of fast response is provided, and simple in structure, is easy to produce.Have electrical property preferably, mechanical strength is high, and dimensional stability is good.
Description of drawings
Fig. 1 is an eccentric wheel vibrator sketch map.
Fig. 2 is the utility model structure explosive view.
Fig. 3 is the utility model profile structural map.
Fig. 4 is the utility model sectional arrangement drawing.
Fig. 5 is the top view (wherein upper fixed seat housing blanking) of Fig. 4.
Embodiment
Below in conjunction with accompanying drawing and embodiment the utility model is described in further detail:
In Fig. 2, mass 4 relies on mass fixed band 5 to be fixed together with vibrator twin lamella 3, and two sections attach FPCB6 (flexible printed wiring board) and make things convenient for external cabling to use.The cylinder position is with the upper integral retaining of vibrator twin lamella everywhere for upper fixed seat housing 1 inner housing, and FPCB6 stretches out from housing reservation waist-shaped hole and is attached at the upper shell surface.Lower fixed seat housing 2 inboards also are reserved with four cylinder places, can realize 3 times half of clampings of vibrator twin lamella, and outstanding cylinder is left on both sides, can be connected with upper fixed seat housing 1, encapsulation that is connected of whole formation, as shown in Figure 3.In Fig. 4, can see whole assembling back contraposition details up and down, and FPCB is attached at the upper shell surface condition.
When the FPCB termination is gone into the specified signal of telecommunication; Vibrator twin lamella 3 is realized the vertical tremor effect under the current drives situation; In the vibrations process; It is as shown in Figure 5 to be reserved with enough big gap between vibrator twin lamella 3, mass 4 and the housing, guarantees also can not exist under the large amplitude situation any abnormal noise to occur.
Above-described only is the preferred embodiments 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 belong to all within the protection range of the utility model.
Claims (1)
1. mobile phone piezo-ceramic vibrators; Involving vibrations device twin lamella (3), mass (4) and vibrator holder housing; Vibrator holder housing is divided into two parts of lower house, it is characterized in that the vibrator twin lamella includes a substrate and conduction FPCB (6), attaches piezoelectric ceramic piece on substrate; Have internal electrode between each piezoelectric sheet of said piezoelectric ceramic piece, and the outer electrode of isolating with internal electrode insulation; Mass (4) relies on mass fixed band (5) to be fixed together with vibrator twin lamella (3), and upper fixed seat housing (1) is with the upper integral retaining of vibrator twin lamella, and lower fixed seat housing (2) is with half of integral retaining under the vibrator twin lamella.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204624294U CN202435352U (en) | 2011-11-21 | 2011-11-21 | Cell phone piezoelectric ceramic vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204624294U CN202435352U (en) | 2011-11-21 | 2011-11-21 | Cell phone piezoelectric ceramic vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202435352U true CN202435352U (en) | 2012-09-12 |
Family
ID=46784760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204624294U Expired - Lifetime CN202435352U (en) | 2011-11-21 | 2011-11-21 | Cell phone piezoelectric ceramic vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202435352U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107734A (en) * | 2013-02-06 | 2013-05-15 | 清华大学 | Tubular piezoelectric vibrator |
| CN103611671A (en) * | 2013-11-29 | 2014-03-05 | 苏州衡业新材料科技有限公司 | Piezoelectric ceramic vibrator driven by low voltage |
| CN104467528A (en) * | 2013-09-23 | 2015-03-25 | 三星电机株式会社 | Vibrator |
-
2011
- 2011-11-21 CN CN2011204624294U patent/CN202435352U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103107734A (en) * | 2013-02-06 | 2013-05-15 | 清华大学 | Tubular piezoelectric vibrator |
| CN103107734B (en) * | 2013-02-06 | 2015-05-20 | 清华大学 | Tubular piezoelectric vibrator |
| CN104467528A (en) * | 2013-09-23 | 2015-03-25 | 三星电机株式会社 | Vibrator |
| CN104467528B (en) * | 2013-09-23 | 2017-01-04 | Mplus株式会社 | Vibrator |
| CN103611671A (en) * | 2013-11-29 | 2014-03-05 | 苏州衡业新材料科技有限公司 | Piezoelectric ceramic vibrator driven by low voltage |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: XI'AN KANGHONG NEW MATERIALS + TECHNOLOGY CO., LTD Free format text: FORMER OWNER: SHENZHEN KANGHONG ENVIRONMENTAL PROTECTION TECHNOLOGY CO., LTD. Effective date: 20150615 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20150615 Address after: 710075 Kang Hong Industrial Park, No. six, 40 hi tech Road, Xi'an hi tech Zone, Shaanxi Patentee after: Xi'an Kanghong New Material Technology Co., Ltd. Address before: 518000 Guangdong city of Shenzhen province Nanshan District science and Technology Park, a high-tech South Fiyta building 1702A Patentee before: Shenzhen Kanghong Environmental Protection Technology Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20181203 Address after: 518116 No. 1 Workshop, Yongxin Industrial Plant, 89 Hengping Road, Yuanshan Street, Longgang District, Shenzhen City, Guangdong Province Patentee after: Shenzhen Kanghong Environmental Protection Technology Co., Ltd. Address before: 710075 Kanghong Industrial Park, No. 40 High-tech Sixth Road, Xi'an High-tech Zone, Shaanxi Province Patentee before: Xi'an Kanghong New Material Technology Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120912 |