CN207056951U - A kind of piezoelectric vibrator - Google Patents
A kind of piezoelectric vibrator Download PDFInfo
- Publication number
- CN207056951U CN207056951U CN201720723501.1U CN201720723501U CN207056951U CN 207056951 U CN207056951 U CN 207056951U CN 201720723501 U CN201720723501 U CN 201720723501U CN 207056951 U CN207056951 U CN 207056951U
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- CN
- China
- Prior art keywords
- fixed part
- installing plate
- piezoelectric vibrator
- freedom portion
- vibration spring
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Abstract
The utility model discloses a kind of piezoelectric vibrator.The piezoelectric vibrator includes：Installing plate；Vibration spring plate, the vibration spring plate are in cantilever design, and the vibration spring plate includes and the fixed part of installing plate fixed setting, the freedom portion vacantly set relative to the installing plate；And piezoelectric patches, the piezoelectric patches are fixed on the direction side surface of installing plate direction one of the freedom portion.The technical problem that the utility model can solve is the haptic feedback effect shortcoming of existing resonator device.
Description
Technical field
A kind of piezoelectric vibrator is the utility model is related to, more specifically, the utility model is related in a kind of electronic equipment
Piezoelectric vibrator.
Background technology
With scientific and technological development and basic material research is deepened continuously, electronics and IT products are by more and more extensive
Concern.On the electronic products such as game machine, smart mobile phone, intelligent watch, it is prompt message, improves Consumer's Experience, it is necessary to set
Vibrating function, with time, be accurately supplied to the corresponding touch feedback of user.
Existing resonator device generally use rotor oscillation motor, its main driving element are electromagnet and coil.It is wrapped
Include problems with：(1) in use, it is easy to surrounding environment generation to interfere；(2) response speed is slow；(3) touch feedback
Effect shortcoming, the feedback of vibration force can only be carried out, it is impossible to fed back while vibration force and displacement are provided.
And compared with the vibrating elements in existing rotor oscillation motor, piezoelectric element has low in energy consumption, small volume, response speed
Spend the advantages that fast.
Therefore, it is necessary to be improved to existing resonator device, the intelligence of timely, accurate feedback triggering command is especially needed
Resonator device in the electronic equipments such as energy mobile phone, intelligent watch, game machine.
Utility model content
A purpose of the present utility model is to provide a kind of new solution of piezoelectric vibrator.
According to first aspect of the present utility model, there is provided a kind of piezoelectric vibrator.The piezoelectric vibrator includes：Installation
Plate；Vibration spring plate, the vibration spring plate are in cantilever design, the vibration spring plate include with the fixed part of installing plate fixed setting,
The freedom portion vacantly set relative to the installing plate；And piezoelectric patches, the piezoelectric patches are fixed on the direction of the freedom portion
On the side surface of installing plate direction one.
Alternatively, the freedom portion is in Different Plane with the fixed part, and the vibration spring plate is also included described in connection
Freedom portion and the connecting portion of the fixed part, the freedom portion are parallel with the fixed part.
Alternatively, the freedom portion is in Different Plane with the fixed part, and the vibration spring plate is also included described in connection
The connecting portion of freedom portion and the fixed part, the freedom portion be used to install piezoelectric patches part formed with the fixed part it is blunt
Angle.
Alternatively, the vibration spring plate is made up of metal material or plastic material.
Alternatively, in addition to FPC, the piezoelectric patches are configured as electrically connecting with signal generator by the FPC.
Alternatively, in addition to mass, the mass are fixed on the direction installing plate direction one of the freedom portion
On side surface, the mass is located at the remote fixed part direction side of the piezoelectric patches.
Alternatively, groove or through hole are provided with the mass, the FPC is installed on the groove or through hole
It is interior.
Alternatively, the installing plate includes the drain pan with bottom wall and bending edge edge, and the fixed part is fixed on the bottom
On wall, the spring washer for being used for that buffer limit to be carried out to the mass is provided with the bottom wall.
Alternatively, mounting groove is provided with the bottom wall, the spring washer is installed in the mounting groove.
Alternatively, pad is installed with the installing plate, the fixed part is fixed on the pad.
Alternatively, it is provided with block in the remote installing plate direction side of the fixed part.
In piezoelectric vibrator provided by the utility model, piezoelectric patches is not by electromagnetic interference, waterproof.
Piezoelectric vibrator integral thickness is small, occupies little space.It is in light weight, component is few, be easily assembled to.
Vibration spring plate fast response time, feedback are timely.
By the flexural vibrations of piezoelectric patches the freedom portion of vibration spring plate can be driven to produce the vibration of larger displacement, can be supplied to
The good touch feedback experience of user, feedback effects are good, and Consumer's Experience is good.
Piezoelectric patches be arranged at freedom portion towards on the side surface of installing plate direction one, can be set by the structure of piezoelectric vibrator
Meter, which reduces piezoelectric patches and is knocked, causes impaired probability.
Therefore, the technical assignment or technical problem to be solved that the utility model to be realized are people in the art
It is that member never expects or it is not expected that, therefore the utility model is a kind of new technical scheme.
It is of the present utility model other by referring to the drawings to the detailed description of exemplary embodiment of the present utility model
Feature and its advantage will be made apparent from.
Brief description of the drawings
It is combined in the description and the accompanying drawing of a part for constitution instruction shows embodiment of the present utility model, and
And it is used to explain principle of the present utility model together with its explanation.
Fig. 1 is the exploded view of the piezoelectric vibrator provided in a kind of embodiment of the utility model；
Fig. 2 is the assembling figure of the piezoelectric vibrator provided in a kind of embodiment of the utility model；
Fig. 3 is the schematic diagram of the vibration spring plate provided in a kind of embodiment of the utility model；
Fig. 4 is the schematic diagram of the vibration spring plate provided in a kind of embodiment of the utility model；
Fig. 5 is the schematic diagram of the vibration spring plate provided in a kind of embodiment of the utility model.
Wherein, 1：Vibration spring plate；10：Fixed part；11：Freedom portion；12：Connecting portion；2：Piezoelectric patches；3：Mass；4：
FPC；5：Drain pan；6：Spring washer；7：Pad；8：Block.
Embodiment
Various exemplary embodiments of the present utility model are described in detail now with reference to accompanying drawing.It should be noted that：It is unless another
Illustrate outside, the part and the positioned opposite of step, numerical expression and numerical value otherwise illustrated in these embodiments is unlimited
The scope of the utility model processed.
The description only actually at least one exemplary embodiment is illustrative to be never used as to this practicality below
New and its application or any restrictions used.
It may be not discussed in detail for technology, method and apparatus known to person of ordinary skill in the relevant, but suitable
In the case of, the technology, method and apparatus should be considered as part for specification.
In shown here and discussion all examples, any occurrence should be construed as merely exemplary, without
It is as limitation.Therefore, other examples of exemplary embodiment can have different values.
It should be noted that：Similar label and letter represents similar terms in following accompanying drawing, therefore, once a certain Xiang Yi
It is defined, then it need not be further discussed in subsequent accompanying drawing in individual accompanying drawing.
The utility model provides a kind of piezoelectric vibrator, and the piezoelectric vibrator can be applied on electronic equipment, especially
It is in the portable electric appts such as game machine, intelligent watch, smart mobile phone, the touch feedback body that user is good can be supplied to
Test.
With reference to figure 1, Fig. 2, the piezoelectric vibrator includes vibration spring plate 1, piezoelectric patches 2 and installing plate.Wherein, the vibration
Shell fragment 1 includes fixed part 10 and freedom portion 11.The fixed part 10 is together with installing plate fixed setting.It is for example, described
Installing plate can be fixedly installed by the fixed part 10 of mode and the vibration spring plate 1 such as being bonded or being threadedly coupled.The freedom
Portion 11 is vacantly set relative to the installing plate.
The vibration spring plate 1 is in cantilever design.The freedom portion 11 extends to an end of the vibration spring plate 1.Institute
It is flexible to state vibration spring plate 1.Elastic deformation can occur in stress for the freedom portion 11, and the freedom portion 11 can produce
Larger vibration displacement.The fixed part 10 is fixedly installed with the installing plate, and when stress disappears, the freedom portion 11 can be fast
Reply immediately position.
The piezoelectric patches 2 is fixedly installed in the freedom portion 11 of the vibration spring plate 1.For example, the piezoelectric patches 2 can pass through
The mode such as double faced adhesive tape or glue is fixed in the freedom portion 11.For example, the piezoelectric patches 2 can be along the length of the freedom portion 11
Direction is spent to set.
When to 2 input electrical signal of piezoelectric patches, the piezoelectric patches 2 can produce bending with the change of voltage and frequency and shake
It is dynamic, so as to drive the freedom portion 11 to produce the vibration of larger displacement.
The fast response time of vibration spring plate 1, feedback are timely.
The piezoelectric patches 2 is used as driving element, and while driving force is provided, its own can also produce shaking for larger displacement
It is dynamic, so as to drive the vibration spring plate 1 to produce corresponding vibration, using the teaching of the invention it is possible to provide bring good touch feedback to experience to user.
Feedback effects are good, and Consumer's Experience is good.
The piezoelectric patches 2 is waterproof not by electromagnetic interference.
Piezoelectric vibrator integral thickness is small, occupies little space.It is in light weight, component is few, be easily assembled to.
The installing plate is located at the side of the thickness direction of vibration spring plate 1.The piezoelectric patches 2 is fixed on the freedom portion
On the 11 direction side surface of installing plate direction one.The piezoelectric patches 2 is located at the same of the vibration spring plate 1 with the installing plate
Side.By the structure design of the piezoelectric vibrator, the shock that the piezoelectric patches 2 can be made to be not easily susceptible to external component cause by
Damage.
The vibration spring plate 1 is flexible.The quality of the elasticity of vibration spring plate 1 can determine the fast of its vibratory response
Slowly, the experience effect of the size of vibration displacement and user.
The vibration spring plate 1 can have larger intensity, be permanently deformed and be broken with resistance.The vibration spring plate 1 will not
Because frequent vibration cause plastic deformation, be even broken.
The material of the vibration spring plate 1 can have it is a variety of, as long as can make the vibration spring plate 1 obtain needed for elasticity and intensity
.
In one example, the vibration spring plate 1 can be made up of metal material.For example, the vibration spring plate 1 can be by stainless steel
Material is made.The shell fragment elasticity being made of metal is good, can increase the output that the piezoelectric patches 2 vibrates caused power, vibration
Response is fast, and vibration displacement is big.Moreover, the intensity of metal clips is big, failure can be effectively reduced, improves service life.
In another example, the vibration spring plate 1 can be made up of plastic material.For example, the vibration spring plate 1 can be by sub- gram
Dead-wood material is made.
The thickness of the vibration spring plate 1 can specifically be set according to factors such as its material, concrete structures, make the vibration bullet
Piece 1 obtains required elasticity and intensity.
The piezoelectric patches 2 need to be transfused to vibration electric signal.Preferably, can also be wrapped with reference to figure 1, Fig. 2, the piezoelectric vibrator
Include FPC (flexible printed circuit, flexible printed circuit board) 4.The FPC4 electrically connects with the piezoelectric patches 2
Connect.The piezoelectric patches 2 is electrically connected by the FPC4 with signal generator, to be transfused to ac signal.When voltage acts on
During the piezoelectric patches 2, the piezoelectric patches 2 can produce mechanical oscillation with the change of voltage and frequency, so as to drive the vibration bullet
Piece 1 vibrates.
The quantity of the piezoelectric patches 2 can be one or more.Alternatively, can be wrapped with reference to figure 1, the piezoelectric vibrator
Include two piezoelectric patches 2 in parallel.The direction installing plate direction one that two piezoelectric patches 2 are both secured to the freedom portion 11
On side surface.The FPC4 is electrically connected with two piezoelectric patches 2.Such as shown in Fig. 1, the vibration spring plate 1 can quilt
Larger width is provided with, with the fixation FPC4.
With reference to figure 1, the vibration spring plate 1 can be arranged to have relatively thin thickness.The freedom portion 11 can be arranged to
With longer length.So, the vibration spring plate 1 can obtain preferable elasticity, and vibratory response is fast, and vibration displacement is big.But
The lighter in weight of the vibration spring plate 1 can be caused.
Preferably, with reference to figure 1, Fig. 2, mass 3 is installed with the freedom portion 11.The mass 3 is fixed on institute
State on the direction side surface of installing plate direction one of freedom portion 11.The mass 3 is located at the remote described of the piezoelectric patches 2
The direction side of fixed part 10.In this way, the mass 3 can increase the counterweight of the vibration spring plate 1, resonance frequency is effectively reduced
Rate so that feedback is softer.
The FPC4 can vibrate with the freedom portion 11, easily wipe and touch the mass 3.Further, in the matter
Groove can be provided with gauge block 3, the FPC4 is fixed in the groove.
Through hole can also be provided with the mass 3.The FPC4 passes through the through hole.For example, the FPC4 can consolidate
Due in the through hole.
In such manner, it is possible to prevent the FPC4 is wiped from touching, hitting the parts such as the mass 3, installing plate and cause to be damaged.
The set-up mode of the installing plate can have a variety of.
In one example, the installing plate can be the part of electronic equipment itself.For example, the installing plate can be trip
Part in the electronic equipments such as gaming machine handle.
In another example, with reference to figure 1, Fig. 2, the installing plate can be set in addition.The installing plate includes drain pan 5.Institute
Stating drain pan 5 has bottom wall and bending edge edge.The fixed part 10 is fixed on the bottom wall of the drain pan 5, to be fixedly installed.Example
Such as, the bottom wall can be set along the length direction of the vibration spring plate 1.
In the embodiment, with reference to figure 1, the bending edge edge can be located at the both sides of the width of vibration spring plate 1 respectively,
To protect the vibration spring plate 1 and piezoelectric patches 2.
In the embodiment, the drain pan 5 can be made up of metal material.
In the embodiment, the drain pan 5 can be fixedly installed on electronic equipment internal.
In the embodiment, with reference to figure 1, it can be provided with the direction side surface of 1 direction of vibration spring plate one of the drain pan 5
Spring washer 6.The spring washer 6 is corresponding with the position of the mass 3.Vibrated in the mass 3 with the freedom portion 11
When, the spring washer 6 can enter row buffering, spacing to the mass 3.In such manner, it is possible to prevent the vibration spring plate 1, piezoelectric patches 2
Displacement is excessive, hits miscellaneous part, causes to be damaged, fails.
Mounting groove can be provided with the bottom wall.The spring washer 1 is installed in the mounting groove.
To enable the freedom portion 11 that there is larger oscillation space, it is preferable that, can on the installing plate with reference to figure 1
It is fixedly installed pad 7.The pad 7 has certain altitude, and the fixed part 10 is fixed on the pad 7.So, it is described
Fixed part 10 is fixed on the drain pan 5 by the pad 7, can increase the oscillation space of the freedom portion 11.
The fixed part 10 is fixed on the installing plate.The fixed part 10 can produce under the drive of the freedom portion 11
Raw micro- reliability reduction shaken, cause it to be connected between the drain pan 5.Preferably, with reference to figure 1, Fig. 2, in the fixed part
The 10 remote installing plate, the direction side of pad 7 can be provided with block 8.The block 8 carries out backstop to the fixed part 10,
It can prevent the fixed part 10 from producing micro- shake.
The concrete structure of the vibration spring plate 1 can have a variety of.
In one example, the freedom portion 11 can be at same plane with the fixed part 10.The vibration spring plate 1 is overall
In a slab construction.
In one example, the freedom portion 11 can be at Different Plane with the fixed part 10.The vibration spring plate 1 is also wrapped
Include the connecting portion 12 that the freedom portion 11 and fixed part 10 link together.The fixed part 10 is fixed with the installing plate and set
Put together.Formed with oscillation space between the freedom portion 11 and the installing plate.The piezoelectric patches 2 is located at the freedom
The direction installing plate direction side in portion 11.The shock that the piezoelectric patches 2 is not easily susceptible to external component causes to be damaged, can be effective
The impact that the piezoelectric patches 2 is subject to during reduction transport etc..
In the embodiment, the freedom portion 11 can be arranged in parallel with the fixed part 10.The freedom portion 11 and described solid
It can be slab construction to determine portion 10.
In the embodiment, the freedom portion 11 can be formed for installing the part of piezoelectric patches 2 with the fixed part 10
Obtuse angle.Such as shown in Fig. 1, the freedom portion 11 can be bending structure, the bending structure includes being used to install the piezoelectric patches 2
Part I and Part II for installing the mass, the Part I be located at the fixed part 10 and described the
Between two parts.
In the embodiment, the concrete structure of the connecting portion 12 can have a variety of.
Such as shown in Fig. 3, the connecting portion 12 may include two arcuate structures tangentially to link together.Described in one
One end of arcuate structure is connected with the fixed part 10.One end of another arcuate structure is connected with the freedom portion 11.This
Sample, the freedom portion 11 is at Different Plane with the fixed part 10, and the vibration spring plate 1 can also have necessarily
Elasticity.
Such as shown in Fig. 4, the connecting portion 12 may include slab construction in an intermediate position and respectively positioned at described
The arcuate structure of slab construction both sides.The slab construction can tangentially link together with two arcuate structures.Its
In one end of an arcuate structure can be tangentially connected with the fixed part 10.One end of another arcuate structure can be with
The freedom portion 11 tangentially connects.
Such as shown in Fig. 5, the connecting portion 12 may include folding shape structure in an intermediate position and respectively positioned at described
Roll over the arcuate structure of shape face structure both sides.One end of one of them arcuate structure is connected with the fixed part 10.Another institute
The one end for stating arcuate structure is connected with the freedom portion 11.For example, the folding shape structure can be connected by two slab construction head and the tail
Form, can also be linked together between two slab constructions by arcuate structure.
Although some specific embodiments of the present utility model are described in detail by example, this area
It is to be understood by the skilled artisans that example above merely to illustrate, rather than in order to limit the scope of the utility model.This
Field it is to be understood by the skilled artisans that can not depart from the scope of the utility model and spirit in the case of, to above example
Modify.The scope of the utility model is defined by the following claims.
Claims (10)
- A kind of 1. piezoelectric vibrator, it is characterised in that including：Installing plate；Vibration spring plate (1), the vibration spring plate (1) are in cantilever design, and the vibration spring plate (1) includes being fixedly installed with installing plate Fixed part (10), the freedom portion (11) that is vacantly set relative to the installing plate；AndPiezoelectric patches (2), the direction side surface of installing plate direction one that the piezoelectric patches (2) is fixed on the freedom portion (11) On.
- 2. piezoelectric vibrator according to claim 1, it is characterised in that the freedom portion (11) and the fixed part (10) In Different Plane, the vibration spring plate (1) also includes connecting the freedom portion (11) and the connecting portion of the fixed part (10) (12),The freedom portion (11) is parallel with the fixed part (10).
- 3. piezoelectric vibrator according to claim 1, it is characterised in that the freedom portion (11) and the fixed part (10) In Different Plane, the vibration spring plate (1) also includes connecting the freedom portion (11) and the connecting portion of the fixed part (10) (12),The piezoelectric patches (2) that is used to install of the freedom portion (11) partly forms obtuse angle with the fixed part (10).
- 4. piezoelectric vibrator according to claim 1, it is characterised in that the vibration spring plate (1) by metal material or Plastic material is made.
- 5. piezoelectric vibrator according to claim 1, it is characterised in that also including FPC (4), the piezoelectric patches (2) by with It is set to and is electrically connected by the FPC (4) with signal generator.
- 6. piezoelectric vibrator according to claim 5, it is characterised in that also including mass (3), the mass (3) It is fixed on the direction side surface of installing plate direction one of the freedom portion (11),The mass (3) is located at remote fixed part (10) the direction side of the piezoelectric patches (2).
- 7. piezoelectric vibrator according to claim 6, it is characterised in that on the mass (3) be provided with groove or Through hole, the FPC (4) are installed in the groove or through hole.
- 8. piezoelectric vibrator according to claim 6, it is characterised in that the installing plate includes having bottom wall and bending edge The drain pan (5) on edge, the fixed part (10) are fixed on the bottom wall,The spring washer (6) for being used for that buffer limit to be carried out to the mass (3) is provided with the bottom wall.
- 9. piezoelectric vibrator according to claim 1, it is characterised in that pad (7), institute are installed with the installing plate Fixed part (10) is stated to be fixed on the pad (7).
- 10. the piezoelectric vibrator according to claim 1 or 9, it is characterised in that in the fixed part (10) away from described Installing plate direction side is provided with block (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723501.1U CN207056951U (en) | 2017-06-20 | 2017-06-20 | A kind of piezoelectric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720723501.1U CN207056951U (en) | 2017-06-20 | 2017-06-20 | A kind of piezoelectric vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207056951U true CN207056951U (en) | 2018-03-02 |
Family
ID=61509184
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720723501.1U Expired - Fee Related CN207056951U (en) | 2017-06-20 | 2017-06-20 | A kind of piezoelectric vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207056951U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002170A (en) * | 2018-09-29 | 2018-12-14 | 华侨大学 | Haptic feedback devices |
-
2017
- 2017-06-20 CN CN201720723501.1U patent/CN207056951U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109002170A (en) * | 2018-09-29 | 2018-12-14 | 华侨大学 | Haptic feedback devices |
| CN109002170B (en) * | 2018-09-29 | 2024-03-12 | 华侨大学 | Haptic feedback device |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180302 Termination date: 20200620 |
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| CF01 | Termination of patent right due to non-payment of annual fee |