CN205845011U - Piezo vibration module - Google Patents
Piezo vibration module Download PDFInfo
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- CN205845011U CN205845011U CN201620578468.3U CN201620578468U CN205845011U CN 205845011 U CN205845011 U CN 205845011U CN 201620578468 U CN201620578468 U CN 201620578468U CN 205845011 U CN205845011 U CN 205845011U
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Abstract
This utility model relates to technical field of piezoelectricity, especially relates to a kind of piezo vibration module.The purpose of this utility model is to provide a kind of piezo vibration module, cannot provide horizontal vibration pattern and the blocked up problem of product with solve existing piezo vibration module.The utility model discloses a kind of piezo vibration module, including shell, coasting body and vibration unit；Coasting body and vibration unit are positioned at the containing cavity of shell, vibration unit is positioned at coasting body avris, one end of vibration unit is fixing with outer casing inner wall to be connected, the other end of vibration unit is fixing with coasting body to be connected, shell is for providing support force to coasting body and vibration unit, and vibration unit transfers its vibrations to coasting body to realize the oscillation crosswise of piezo vibration module.The piezo vibration module that this utility model provides achieves lateral vibration mode and product thickness is relatively thin.
Description
Technical field
This utility model relates to technical field of piezoelectricity, especially relates to a kind of piezo vibration module.
Background technology
Haptic feedback technology be a kind of by a series of actions such as active force, vibration be user reproduce sense of touch man-machine friendship
Mode mutually.Piezo vibration module is the main hardware in haptic feedback technology, and it can provide low-power consumption, vibrate sense of touch clearly
Feedback.
As it is shown on figure 3, piezo vibration module of the prior art generally comprises: base plate 1 ＇, oscillator 2 ＇, mass 3 ＇, solid
Determine block 4 ＇ and shell 5 ＇.The middle part of oscillator 2 ＇ is fixed with base plate 1 ＇ by fixed block 4 ＇, and mass 3 ＇ is arranged on oscillator 2 ＇
Top, shell 5 ＇ is set in mass 3 ＇ top, the vibration of vibratory drive mass 3 ＇ of oscillator 2 ＇ thus realize piezoelectric vibration
The vibration of module vertical direction.
On the one hand, the vibration of existing piezoelectric vibration motor is perpendicular to the vibration (such as Fig. 3) of horizontal direction mostly, thus
Equipment and human contact face sense of touch in a lateral direction cannot be provided, namely " texture sense " cannot be provided.
On the other hand, piezo vibration module of the prior art is arranged at vertical direction, causes using piezo vibration module
Product thickness thicker, it is impossible to adapt to the trend that electronic product develops in modern industry towards direction, ultra-thin direction.
In conjunction with two above aspect, piezo vibration module of the prior art there is a problem in that cannot provide horizontal
Vibration mode and product are blocked up.
Utility model content
The purpose of this utility model is to provide a kind of piezo vibration module, with solve existing piezo vibration module cannot
Horizontal vibration pattern and the blocked up problem of product are provided.
A kind of piezo vibration module that this utility model provides, including shell, coasting body and vibration unit；
Described coasting body and described vibration unit are positioned at the containing cavity of described shell, and described vibration unit is positioned at described used
Gonosome avris, one end of described vibration unit is fixing with described outer casing inner wall to be connected, and the other end of described vibration unit is with described
Coasting body connects, and described vibration unit transfers its vibrations to described coasting body to realize the oscillation crosswise of piezo vibration module.
Further, described vibration unit is provided with two.
Further, two described vibration unit centrosymmetry are arranged at the both sides of described coasting body.
Further, described vibration unit includes the inwall of substrate and piezoelectrics, described substrate one end and described shell
Fixing connection, the described substrate other end is fixing with the end face of described coasting body to be connected, and described piezoelectrics fit in described substrate
On sidewall.
Further, described substrate includes the first oscillating plate and the second oscillating plate being arranged in a mutually vertical manner, described first
Oscillating plate is fixing with described outer casing inner wall to be connected, and described second oscillating plate is fixing with described coasting body to be connected.
Further, described piezoelectrics fit on the sidewall of described second oscillating plate, and the length of described piezoelectrics is little
Length in described second oscillating plate.
Further, described piezoelectrics offset with the inwall of described shell.
Further, described piezoelectrics are provided with two, and two described piezoelectrics are divided into described second oscillating plate
On two side.
Further, the material of described piezoelectrics includes: inorganic piezoelectric material, organic piezoelectric materials or composite piezoelectric material
Material.
Further, the material of described substrate includes: fiber or metal material.
In conjunction with above technical scheme, owing to vibration module is arranged at coasting body avris, its oscillation crosswise is passed by vibration module
Pass coasting body, it is achieved thereby that the oscillation crosswise of piezo vibration module；The horizontal distribution mode phase of vibration module and coasting body
For vertical distribution mode of the prior art, the thickness of product has obtained thinning.Therefore, the piezoelectricity that this utility model provides shakes
Having the beneficial effects that of dynamic model block: be not only thinned the thickness of product, and achieve lateral vibration mode.
Accompanying drawing explanation
In order to be illustrated more clearly that this utility model detailed description of the invention or technical scheme of the prior art, below by right
In detailed description of the invention or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, describe below
In accompanying drawing be embodiments more of the present utility model, for those of ordinary skill in the art, g is not paying creativeness
On the premise of work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The structural representation of the piezo vibration module that Fig. 1 provides for embodiment 1；
The structural representation of the piezo vibration module that Fig. 2 provides for embodiment 2；
Fig. 3 is the structural representation of piezo vibration module of the prior art.
Reference
1-shell；2-coasting body；3-vibration unit；
31-substrate；32-piezoelectrics；311-the first oscillating plate；
312-the second oscillating plate；313-the 3rd oscillating plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, the technical solution of the utility model is clearly and completely described, it is clear that described
Embodiment is a part of embodiment of this utility model rather than whole embodiments.Based on the embodiment in this utility model, this
The every other embodiment that field those of ordinary skill is obtained under not making creative work premise, broadly falls into this practicality
Novel protected scope.
In description of the present utility model, " " center ", " on ", D score, "left", "right", " perpendicular it should be noted that term
Directly ", " level ", " interior ", the orientation of the instruction such as " outward " or position relationship be based on orientation shown in the drawings or position relationship, be only
Must have specific for the ease of describing this utility model and simplification description rather than instruction or the device of hint indication or element
Orientation, with specific azimuth configuration and operation, therefore it is not intended that to restriction of the present utility model.Additionally, term " the
One ", " second ", " the 3rd " are only used for describing purpose, and it is not intended that instruction or hint relative importance.
In description of the present utility model, it should be noted that unless otherwise clearly defined and limited, term " peace
Dress ", should be interpreted broadly " being connected ", " connection ", for example, it may be fix connection, it is also possible to be to removably connect, or integratedly
Connect；Can be to be mechanically connected, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary,
It can be the connection of two element internals.For the ordinary skill in the art, above-mentioned art can be understood with concrete condition
Language concrete meaning in this utility model.
Embodiment 1
Refer to Fig. 1, present embodiment discloses a kind of piezo vibration module, including shell 1, coasting body 2 and vibration unit
3. shell 1 is for providing support force to coasting body 2 and vibration unit 3 and accommodating coasting body 2 and vibration unit 3, and vibration unit 3 will
Its vibration passes to coasting body 2 to realize the oscillation crosswise of piezo vibration module.
Concrete:
It is internally provided with for accommodating coasting body 2 and the containing cavity of vibration unit 3 at shell 1.Preferably, shell 1 is arranged
For body structure, its open top, the upper surface of coasting body 2 and vibration unit 3 is not higher than the upper surface of shell 1.The material of shell 1
Matter includes, but are not limited to metal material or plastics.For improving mechanical strength and the reliability of piezo vibration module, shell 1
Material is preferably metal material.The shape of shell 1 can be rectangular box body structure, square body structure or other abnormity
Structure.The shell 1 of rectangular box body structure or square body structure has versatility and difficulty of processing is low, outside polymorphic structure
Shell 1 can adapt to particular application.It should be noted that coasting body 2 in meeting shell 1 and vibration unit 3 is normal
On the premise of service behaviour, shell 1 can be made the deformation of other forms to meet commercial production demand.
In this embodiment, shell 1 is made further improvement, specifically, with the equal opening in top bottom shell 1, outward
Shell 1 is by flat board circumferentially around forming, and coasting body 2 and the upper surface of vibration unit 3 and lower surface are all not higher than shell 1
Upper surface and lower surface, vibration unit 3 one end is fixing with the inwall of shell 1 to be connected, the other end of vibration unit 3 and coasting body 2
Fixing connection, the vibration of vibration unit 3 passes to coasting body 2, and the moment of inertia of coasting body 2 is big, and the vibration of vibration unit 3 is made by it
Further amplifying, owing to coasting body 2 is not affected by the restriction of shell 1 top and bottom, therefore the vibration of coasting body 2 is by the external world
The interference of factor is less.
Coasting body 2 is arranged at the geometric center of shell 1 containing cavity.The material of coasting body 2 is preferably arranged to highdensity gold
Belong to material or nonmetallic materials.The shape of coasting body 2 can be but be not limited to rectangular structure or cube structure.Need
Illustrate: coasting body 2 upper surface flushes or substantially flush with the upper surface of shell 1.The inwall of coasting body 2 and shell 1 it
Between be all reserved with certain interval to avoid shell 1 in coasting body 2 vibration processes, it to be impacted.The width in gap can basis
The needs of actual industrial production and design, if the vibratory output of coasting body 2 is big, then the width in gap should be reserved wider, if coasting body 2
Vibratory output little, then the width in gap should be reserved less.
In this embodiment, having carried out improving further to coasting body 2, specifically, coasting body 2 top is provided with plastic packaging
Portion, Plastic Division is enclosed with the contact terminal being connected to coasting body 2 upper surface, and contact terminal is shaken with have employed this piezoelectricity by wire
Circuits System in the equipment of dynamic model block connects.Plastic Division by the one in silicones, urethanes, rubber polymer or
Multiple material forms, and on the one hand material listed above can improve the durability of coasting body 2, slows down this piezo vibration module by oxygen
The speed changed, on the other hand can increase the adhesion strength of contact terminal and coasting body 2, it is to avoid contact terminal and coasting body 2 exist
The fault fallen off during by external impact.Specifically, the electronic equipment that have employed this piezo vibration module is the most intelligent
Mobile phone, can cause electronic equipment to be subject to bigger mechanical shock to cause piezoelectricity to shake due to user or operator accidentally
The breakage of dynamic model block, and, owing to the difference on vibration unit 3 and the material of coasting body 2 and stress causes vibration unit 3 and is used to
Gonosome is easily isolated when impacting.Plastic Division is high with the adhesion strength of coasting body 2, and is not easy to come off from coasting body 2,
Contact terminal can significantly improve the durability of coasting body 2 in being sealed in Plastic Division.
Vibration unit 3 is positioned at coasting body 2 avris, and one end of vibration unit 3 is fixing with shell 1 inwall to be connected, vibration unit 3
The other end and coasting body 2 fixing be connected, vibration unit 3 transfers its vibrations to coasting body 2 to realize piezo vibration module
Oscillation crosswise.
In the alternative of this embodiment, vibration unit 3 is provided with two.Two vibration unit 3 centrosymmetry are arranged at
The both sides of coasting body 2.The position that two vibration units 3 are connected with coasting body 2 is in two diagonal angles of coasting body 2.
The mode that in the present embodiment, vibration unit 3 is connected with coasting body 2 includes but not limited to fixing connection, the side of grafting
Formula.The fixing mode connected can avoid loosening between vibration unit 3 and coasting body 2, improves piezo vibration module entirety
Stability and reliability.Preferably, vibration unit 3 welds with coasting body 2.Furthermore, it is contemplated that the connected mode of grafting is more convenient
In carrying out assembly and disassembly, therefore vibration unit 3 and coasting body 2 can use mortise-tenon joint, and coasting body 2 offers groove,
The position of the corresponding described groove of vibration unit 3 is provided with tenon, and this tenon is adaptive with groove.
In the present embodiment vibration unit 3 include but not limited to the connected mode of shell 1 inwall fixing to be connected, the side of grafting
Formula.The fixing mode connected can avoid loosening between vibration unit 3 and shell 1, improves the steady of piezo vibration module entirety
Qualitative, it is preferable that vibration unit 3 welds with shell 1.The mode easy assembly and disassembly of grafting, it is preferable that vibration unit 3 with
Shell 1 mortise-tenon joint, shell 1 offers groove, and the position of the corresponding described groove of vibration unit 3 is provided with tenon, this tenon
Adaptive with groove.
The mode that it will be appreciated by those skilled in the art that connection described above is preferred embodiment, and certainly, vibration is single
Unit 3 is connected with coasting body 2 and the connected mode of shell 1 can also use other fit structure.
In the alternative of this embodiment, vibration unit 3 includes: piezoelectrics 32 and substrate 31, and piezoelectrics 32 fit in base
On the sidewall of plate 31, the inwall of substrate 31 one end and shell 1 is fixing to be connected, and the end face of substrate 31 other end and coasting body 2 is fixed
Connect.Piezoelectrics 32 and substrate 31 pass through adhesives.Binding agent it may be that but be not limited to epoxy resin, epoxy resin
Can ensure while bonding force, and absorb the pressure of external impact, with strong bonded piezoelectrics 32 and substrate 31, prolongation is shaken
Service life of moving cell 3, (existing vibration unit 3 the most often produced piezoelectrics 32 and substrate 31 in use
Separation problem).
In this alternative, substrate 31 includes the first oscillating plate 311 and the second oscillating plate 312 being arranged in a mutually vertical manner, the
One oscillating plate 311 and shell 1 inwall are fixing to be connected, and the second oscillating plate 312 is fixed with coasting body 2 and is connected, the second oscillating plate 312 and
The position that coasting body 2 connects is positioned at the corner of coasting body 2.Substrate 31 vibrates under the dilatation of piezoelectrics 32.Tool
Body, first the dilatation of piezoelectrics 32 promotes the vibration of the horizontal direction of the first oscillating plate 311, the second oscillating plate 312 to carry
Dynamic second oscillating plate 312 vibrates in the horizontal direction, and the vibration of this horizontal direction is passed to coasting body 2 by the second oscillating plate 312.
In this embodiment, the second oscillating plate 312 having carried out further improvement, specifically, the second oscillating plate 312 sets
Being equipped with multiple, multiple second oscillating plates 312 are parallel to each other and all vertical with the first oscillating plate 311.Multiple second oscillating plates 312 are equal
Affixed with coasting body 2, having the beneficial effects that of multiple second oscillating plate 312 be set: the vibrating effect of multiple second oscillating plates 312
It is overlapped mutually, it is possible to achieve piezo vibration module can realize preferable vibrating effect in the case of smaller current.
Piezoelectrics 32 fit on the sidewall of the second oscillating plate 312, and the length of piezoelectrics 32 is less than the second oscillating plate 312
Length.Piezoelectrics 32 offset with the inwall of shell 1.Piezoelectrics 32 extend from shell 1 inwall to the direction of the second oscillating plate 312,
The length of piezoelectrics 32 is preferably the 2/3 of the first oscillating plate 311 length, and piezoelectrics 32 upper surface is neat with the upper surface of substrate 31
Flat.
For improving the vibrating effect of piezo vibration module, and ensure the balance that substrate 31 vibrates at left and right directions, pressure
Electricity body 32 arranges two, and two piezoelectrics 32 are divided on the two side of the second oscillating plate 312.Two piezoelectrics 32 are all and shell
The inwall of 1 offsets, and the upper surface of two piezoelectrics 32 flushes with the upper surface of substrate 31.
The material of the piezoelectrics 32 that the present embodiment provides is including but not limited to inorganic piezoelectric material, organic piezoelectric materials
Or composite piezoelectric material.Inorganic piezoelectric material is preferably piezoelectric ceramics and piezoquartz, and piezoelectric ceramics piezoelectricity is strong, dielectric constant
Height, can be processed into arbitrary shape.Piezoquartz, such as quartz, dielectric constant is low, but good stability.Organic piezoelectric materials, example
Such as Kynoar, material is pliable and tough, low-density, Low ESR and high piezoelectric constant.Composite piezoelectric material be inorganic piezoelectric pottery and
The piezo-electricity composite material that organic polymer resin is constituted, has both inorganic and organic piezoelectric materials performance.
The material of the substrate 31 that the present embodiment provides is including but not limited to fibrous material or metal material.Use fiber
The substrate 31 of material or metal material need to have certain elasticity, quickly to respond the vibration of piezoelectrics 32, and is vibrated
Pass to coasting body 2.
Embodiment 2
Referring to Fig. 2, this embodiment is another preferred version mutually arranged side by side with embodiment 1, beyond distinguishing feature
The technical scheme disclosed in embodiment 1 fall within the present embodiment, the skill disclosed in embodiment 1 beyond distinguishing feature
Art scheme is not repeated to describe.This embodiment is with the distinguishing feature of embodiment 1: the structure of substrate 31 and and shell
1 and the connected mode of coasting body 2.Specifically:
Refer to Fig. 2, present embodiment discloses a kind of piezo vibration module, including shell 1, coasting body 2 and vibration unit
3.Shell 1 is for providing support force to coasting body 2 and vibration unit 3 and accommodating coasting body 2 and vibration unit 3, and vibration unit 3 will
Its vibration passes to coasting body 2 to realize the oscillation crosswise of piezo vibration module.Vibration unit 3 still further comprises, piezoelectrics
32 and substrate 31, piezoelectrics 32 fit on the sidewall of substrate 31, and substrate 31 one end is fixing with the inwall of shell 1 to be connected, substrate
31 other ends are fixing with the end face of coasting body 2 to be connected.Piezoelectrics 32 and substrate 31 pass through adhesives.
The mode that it will be appreciated by those skilled in the art that connection described above is preferred embodiment, and certainly, vibration is single
Unit 3 is connected with coasting body 2 and the connected mode of shell 1 can also use other fit structure, such as, mortise-tenon joint, interference
Coordinate.
As in figure 2 it is shown, substrate 31 includes the first oscillating plate the 311, second oscillating plate 312 and the 3rd oscillating plate being sequentially connected with
313, the second oscillating plate 312 and the 3rd oscillating plate 313 are positioned at the both sides of the first oscillating plate 311 and are respectively perpendicular to the second oscillating plate
312, the 3rd oscillating plate 313 fits on the inwall of shell 1, and the second oscillating plate 312 fits in the end face of coasting body 2, in addition it is also necessary to
Illustrating, the second oscillating plate 312 part fits in the end face of coasting body 2, and the length of its laminating can be arranged according to actual needs,
Certainly, the second oscillating plate 312 does not fits in the length of part and the first oscillating plate 311 and the spacing phase of coasting body 2 of coasting body 2
The first oscillating plate 311 and coasting body 2 can be avoided to interfere when vibrating Deng the gap of, the first oscillating plate 311 with coasting body 2 and
Affect the final effect of piezo vibration module.As one of which preferably embodiment, the second oscillating plate 312 and coasting body 2
Between by adhesives, by adhesives between the 3rd oscillating plate 313 and shell 1, binding agent is preferably asphalt mixtures modified by epoxy resin
Fat.Certainly, other connected mode such as Tenon is fixed or welds this embodiment the most applicable.
In this embodiment, piezoelectrics 32 can arrange one or two according to actually used needs.
When arranging piezoelectrics 32, piezoelectrics 32 fit in the inner side of the first oscillating plate 311 of substrate 31 or outer
Side, it should be noted that when piezoelectrics 32 fit in the inner side of the first oscillating plate 311, piezoelectrics 32 should be with shell 1 sidewall phase
Supporting, when piezoelectrics 32 fit in the outside of the first oscillating plate 311, piezoelectrics 32 are due to the stop of the 3rd oscillating plate 313 and nothing
Method is directly and shell 1 contact internal walls.
When arranging two piezoelectrics 32, two piezoelectrics 32 are divided into the both sides of the first oscillating plate 311, certainly, arrange
Piezoelectrics 32 outside the first oscillating plate 311 cannot directly connect with shell 1 inwall due to the stop of the 3rd oscillating plate 313
Touch.
In the alternative of this embodiment, the version of substrate 31 may be arranged as: the first vibration being sequentially connected with
Plate the 311, second oscillating plate 312 and the 3rd oscillating plate 313.Second oscillating plate 312 and the 3rd oscillating plate 313 are arranged at the first vibration
The same side of plate 311 and being all vertically arranged with the first oscillating plate 311.
It should be understood that the version of the substrate 31 of the present embodiment offer is stable, specifically, the 3rd oscillating plate
313 fit in inside shell 1, and the 3rd oscillating plate 313 contacts with 1, shell, its stress can the most dispersed thus
Do not result in stress raisers and the fault a little come off occurs.Similar, the second oscillating plate 312 fits in coasting body 2
End face, the second oscillating plate 312 contacts with coasting body 2, and its stress can be the most dispersed, thus by second vibration
Plate 312 passes to the vibratory output of coasting body 2 and can uniformly transfer to other positions of coasting body 2, it is to avoid the emergent concentration in local and
There is the fault that point comes off.
Also, it should be noted the piezo vibration module that this utility model provides can be stacked with in the vertical direction,
The effect of vibration of multiple coasting bodies 2 is overlapped mutually, thus realizes producing bigger vibratory output under less electric current.
In conjunction with both examples above, having the beneficial effects that of the piezo vibration module that this utility model provides:
Owing to vibration module is arranged at coasting body avris, its oscillation crosswise is passed to coasting body by vibration module, thus real
Show the oscillation crosswise of piezo vibration module；The horizontal distribution mode of vibration module and coasting body is perpendicular relative to of the prior art
Straight distribution mode, the thickness of product has obtained thinning.Therefore, the beneficial effect of the piezo vibration module that this utility model provides exists
In: not only it is thinned the thickness of product, and achieves lateral vibration mode.
Last it is noted that various embodiments above is only in order to illustrate the technical solution of the utility model, rather than it is limited
System；Although being described in detail this utility model with reference to foregoing embodiments, those of ordinary skill in the art should
Understand: the technical scheme described in foregoing embodiments still can be modified by it, or to the most some or all of
Technical characteristic carries out equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from this practicality new
The scope of type each embodiment technical scheme.
Claims (10)
1. a piezo vibration module, it is characterised in that include shell (1), coasting body (2) and vibration unit (3)；
Described coasting body (2) and described vibration unit (3) are positioned at the containing cavity of described shell (1), described vibration unit (3) position
In described coasting body (2) avris, one end of described vibration unit (3) is fixing with described shell (1) inwall to be connected, and described vibration is single
Unit (3) the other end be connected with described coasting body (2), described vibration unit (3) transfer its vibrations to described coasting body (2) with
Realize the oscillation crosswise of piezo vibration module.
Piezo vibration module the most according to claim 1, it is characterised in that described vibration unit (3) is provided with two.
Piezo vibration module the most according to claim 2, it is characterised in that two described vibration unit (3) centrosymmetry
It is arranged at the both sides of described coasting body (2).
4. according to the piezo vibration module described in any one of claim 1-3, it is characterised in that described vibration unit (3) includes
Substrate (31) and piezoelectrics (32), described substrate (31) one end is fixing with the inwall of described shell (1) to be connected, described substrate (31)
The other end is fixing with the end face of described coasting body (2) to be connected, and described piezoelectrics (32) fit on the sidewall of described substrate (31).
Piezo vibration module the most according to claim 4, it is characterised in that described substrate (31) includes being arranged in a mutually vertical manner
The first oscillating plate (311) and the second oscillating plate (312), described first oscillating plate (311) and described shell (1) inwall are fixing even
Connecing, described second oscillating plate (312) is fixing with described coasting body (2) to be connected.
Piezo vibration module the most according to claim 5, it is characterised in that described piezoelectrics (32) fit in described second
On the sidewall of oscillating plate (312), the length of described piezoelectrics (32) is less than the length of described second oscillating plate (312).
Piezo vibration module the most according to claim 6, it is characterised in that described piezoelectrics (32) and described shell (1)
Inwall offset.
Piezo vibration module the most according to claim 7, it is characterised in that described piezoelectrics (32) are provided with two, two
Individual described piezoelectrics (32) are divided on the two side of described second oscillating plate (312).
Piezo vibration module the most according to claim 4, it is characterised in that the material of described piezoelectrics (32) including: nothing
Machine piezoelectric, organic piezoelectric materials or composite piezoelectric material.
Piezo vibration module the most according to claim 4, it is characterised in that the material of described substrate (31) including: fiber
Or metal material.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620578468.3U CN205845011U (en) | 2016-06-14 | 2016-06-14 | Piezo vibration module |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201620578468.3U CN205845011U (en) | 2016-06-14 | 2016-06-14 | Piezo vibration module |
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| CN205845011U true CN205845011U (en) | 2016-12-28 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105975088A (en) * | 2016-06-14 | 2016-09-28 | 苏州攀特电陶科技股份有限公司 | Piezoelectric vibration module |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105975088A (en) * | 2016-06-14 | 2016-09-28 | 苏州攀特电陶科技股份有限公司 | Piezoelectric vibration module |
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