CN108322086A - Piezoelectric vibrator - Google Patents
Piezoelectric vibrator Download PDFInfo
- Publication number
- CN108322086A CN108322086A CN201810018623.XA CN201810018623A CN108322086A CN 108322086 A CN108322086 A CN 108322086A CN 201810018623 A CN201810018623 A CN 201810018623A CN 108322086 A CN108322086 A CN 108322086A
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- China
- Prior art keywords
- piezoelectric ceramic
- piezoelectric
- ceramic piece
- diamond shaped
- shaped elastomer
- Prior art date
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- 239000000919 ceramic Substances 0.000 claims abstract description 82
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 59
- 239000010432 diamond Substances 0.000 claims abstract description 59
- 229920001971 elastomer Polymers 0.000 claims abstract description 41
- 239000000806 elastomer Substances 0.000 claims abstract description 41
- 229910000906 Bronze Inorganic materials 0.000 claims description 3
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 3
- 239000010974 bronze Substances 0.000 claims description 3
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims description 2
- 239000003292 glue Substances 0.000 claims description 2
- 230000010287 polarization Effects 0.000 claims description 2
- 238000005457 optimization Methods 0.000 abstract description 2
- 230000005284 excitation Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 7
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- 239000004020 conductor Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229920001967 Metal rubber Polymers 0.000 description 2
- 230000008602 contraction Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02N—ELECTRIC MACHINES NOT OTHERWISE PROVIDED FOR
- H02N2/00—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/04—Constructional details
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
The present invention provides a kind of piezoelectric vibrators, including diamond shaped elastomer, the diamond shaped elastomer includes diamond shape frame and the cross driving beam that is arranged in the diamond shape frame, the diamond shape frame and the cross driving beam are integrated, and multi-disc piezoelectric ceramic piece is provided in the cross driving beam.Long beam in the cross driving beam of the present invention and piezoelectric ceramic piece thereon, play the role of main contributions to driving track, more flat elliptical orbit can be motivated, and short beam and piezoelectric ceramic piece thereon, optimization function is played to driving track, make elliptical orbit in the case where trunnion axis is constant, increase the amplitude on vertical direction, to achieve the purpose that in the higher driving force for improving piezoelectric vibrator in driving when of capacity usage ratio.
Description
Technical field
The present invention relates to technical field of piezoelectricity, more specifically, are related to a kind of piezoelectric vibrator.
Background technology
Piezoelectric vibrator is primarily present in piezoelectric motor or ultrasound electric machine, will be electric using the inverse piezoelectric effect of piezoelectric material
It can be converted into vibration, finally drive rotor motion.
In travelling-wave type piezoelectric motor, high-frequency vibration is generated under the driving of high frequency pumping using piezoelectric blocks, is driven simultaneously
The metal elastomer vibration being connected with piezoelectric patches, to motivate Ellipse motion driven track at the driving end of metal elastomer, finally
Drive rotor motion.To make piezoelectric motor possess good output torque and energy utilization efficiency, the elliptical orbit at end is driven
Quality be particularly important.Existing piezoelectric vibrator is not that driving moment meets the requirements, and energy utilization efficiency is low, is exactly profit
It is met the requirements with efficiency, driving moment is but less ideal.
Invention content
In view of the above problems, the object of the present invention is to provide a kind of piezoelectric vibrators, to solve the piezoelectric vibrator of the prior art
The problem of driving moment and energy utilization efficiency can not reach more satisfactory situation simultaneously.
To achieve the goals above, the present invention is realized by technical solution below：
A kind of piezoelectric vibrator, which is characterized in that including diamond shaped elastomer, the diamond shaped elastomer includes diamond shape frame
With the cross driving beam being arranged in the diamond shape frame, the diamond shape frame and the cross driving beam are integrated,
It is provided with multi-disc piezoelectric ceramic piece in the cross driving beam.
Preferably, the corresponding one end of the diamond shaped elastomer long-diagonal is connect by rigid connector with rack,
The corresponding other end of the diamond shaped elastomer long-diagonal is connect with rotor.
Preferably, the cross driving beam is located on the diagonal line of the diamond shape frame, and the cross driving beam is upper
In being provided at least 8 piezoelectric ceramic pieces on the crossbeam in the diamond shaped elastomer long-diagonal direction.
Preferably, at least 2 piezoelectric ceramic pieces are both provided on each face of the crossbeam, and positioned at same
At least 2 piezoelectric ceramic pieces on face are symmetrical arranged about the diamond shaped elastomer short diagonal.
Preferably, the piezoelectric ceramic piece being arranged on each face of the crossbeam is upper by the cross driving beam
Longeron in the diamond shaped elastomer short diagonal direction is spaced apart.
Preferably, positioned at the top surface of the longeron in the diamond shaped elastomer short diagonal direction in the cross driving beam
With at least 1 piezoelectric ceramic piece is respectively arranged on bottom surface.
Preferably, the two-stage of the every piezoelectric ceramic piece is both provided with contact conductor, the multi-disc piezoelectric ceramic piece
Polarization side be its length direction.
Preferably, it is not arranged on the surface of the piezoelectric ceramic piece on the diamond shaped elastomer and is coated with insulated paint,
It is both provided with insulating layer between the multi-disc piezoelectric ceramic piece and the cross driving beam.
Preferably, the diamond shaped elastomer is made of tin bronze material.
Preferably, the multi-disc piezoelectric ceramic piece is pasted onto by piezoelectric ceramics adhesive glue in the cross driving beam.
Compared with prior art, the present invention at least has the advantages that：The diamond shaped elastomer of the present invention includes water chestnut
Shape frame and cross driving beam, the two are integrated processing and manufacturing, eliminate connector, while decreasing and being brought because of connection
Vibrate the decaying transmitted；The corresponding one end of diamond shaped elastomer long-diagonal is connect with rigid mounting, and long-diagonal is corresponding another
One end inspires elliptical orbit under the excitation of driving source；It is provided with piezoelectric ceramic piece in the cross driving beam of the present invention, and
Piezoelectric ceramics on piece is provided with contact conductor, for connecting driving source, the wherein crossbeam on long-diagonal and piezoelectricity thereon
Potsherd plays the role of main contributions to driving track, can motivate more flat elliptical orbit, and the longeron on short diagonal
And piezoelectric ceramic piece thereon, optimization function is played to driving track, makes elliptical orbit in the case where trunnion axis is constant, increases
Amplitude on big vertical direction, to reach in the higher driving force for improving piezoelectric vibrator in driving when of capacity usage ratio
Purpose.
To the accomplishment of the foregoing and related purposes, one or more aspects of the present invention includes being particularly described below especially
The feature pointed out.Certain illustrative aspects of the invention is described in detail in the following description and the annexed drawings.However, these aspects refer to
What is shown is only that some of the various ways in the principles of the present invention can be used.In addition, the present invention is intended to include it is all this
A little aspects and their equivalent.
Description of the drawings
It is of the invention by reference to the description below in conjunction with attached drawing, and with a fuller understanding of the present invention
Other purposes and result will be more clearly understood and understood.In the accompanying drawings：
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention；
Fig. 2 is the front view of the embodiment of the present invention；
Fig. 3 is the side view of the embodiment of the present invention；
Fig. 4 is the vertical view of the embodiment of the present invention；
Fig. 5 is that the excitation of the second piezoelectric ceramic piece when the embodiment of the present invention drives in X-Y plane loads schematic diagram；
Fig. 6 is that the excitation of the first piezoelectric ceramic piece when the embodiment of the present invention drives in the faces Y-Z loads schematic diagram；
Fig. 7 is that the excitation for the third piezoelectric ceramic piece that the embodiment of the present invention optimizes loads schematic diagram.
Identical label indicates similar or corresponding feature or function in all the appended drawings.
Specific implementation mode
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings.
As shown in Figure 1, the present invention provides a kind of piezoelectric vibrator, including diamond shaped elastomer.The diamond shaped elastomer packet
The cross driving beam 11 for including diamond shape frame 10 and being arranged on 10 diagonal line of diamond shape frame, diamond shape frame 10 and cross driving beam 11
It is process by tin bronze integration.Diamond shape frame 10 and the integral structure of cross driving beam 11 eliminate connector, simultaneously
Decrease the decaying that the vibration brought by connector is transmitted.Diamond shaped elastomer whole surface is uniformly coated with insulated paint.
Threaded hole is offered on the end face 101 of the corresponding one end of diamond shaped elastomer long-diagonal, which passes through bolt and rack
Connection is rigidly fixed so that diamond shaped elastomer is fixed together with rack.Certainly rigid connection herein may be other
The connection of form.The end face of the corresponding other end of diamond shaped elastomer long-diagonal is connect as driving end 102 with rotor.
It is located in cross driving beam 11 on the top and bottom of the crossbeam 110 on diamond shaped elastomer long-diagonal direction and leads to
It crosses piezoelectric ceramics adhesive and is pasted with four first piezoelectric ceramic pieces 20, the wherein two panels of this four first piezoelectric ceramic pieces 20
One piezoelectric ceramic piece 20 is located on the top surface of cross driving beam 11 and first piezoelectric ceramic piece of two panels 20 is about diamond shaped elasticity
The short diagonal of body is symmetrical arranged, and in addition the first piezoelectric ceramics of two panels 20 is located on the bottom surface of cross driving beam 11 and this two panels the
One piezoelectric ceramic piece 20 is also symmetrical arranged about the short diagonal of diamond shaped elastomer, 2 first piezoelectric ceramic pieces on top surface
20 are oppositely arranged with 2 first piezoelectric ceramic pieces 20 on bottom surface.Pass through piezoelectric ceramics on leading flank and trailing flank on crossbeam 110
Adhesive is also pasted with four second piezoelectric ceramic pieces 40, the second piezoelectricity of wherein two panels pottery of this four second piezoelectric ceramic pieces 40
Tile 40 is located at the leading flank of crossbeam 110 and the short diagonal pair of the second piezoelectric ceramic piece of two panels 40 about diamond shaped elastomer
Claim setting, in addition the second piezoelectric ceramics of two panels 40 is located on the trailing flank of crossbeam 110, and this second piezoelectric ceramic piece of two panels also closes
It is symmetrical arranged in the short diagonal of diamond shaped elastomer, the second piezoelectric ceramic piece of two panels 40 on leading flank and two on trailing flank
The second piezoelectric ceramics of piece 40 is also to be oppositely arranged that (leading flank and trailing flank herein is described only with respect to Fig. 1, and does not have to
In the restriction to structure of the invention).It is located in cross driving beam 11 on the longeron 111 on diamond shaped elastomer short diagonal direction
Be pasted with 2 third piezoelectric ceramic pieces 30 by piezoelectric ceramics adhesive, be located on the top and bottom of longeron 111 and
Piezoelectric ceramic piece on top and bottom is arranged in a one-to-one correspondence.Certainly, on the top surface, bottom surface of crossbeam 110, leading flank and trailing flank
Multi-disc piezoelectric ceramic piece can also be pasted respectively, but the piezoelectric ceramic piece pasted on 110 each face of crossbeam is even slice and every
Piezoelectric ceramic piece on a face is symmetrically symmetrical arranged setting about the short diagonal of diamond shaped elastomer two-by-two, such as in crossbeam
The multi-discs piezoelectric ceramic pieces such as 6 or 8 or 10 are pasted on 110 each face, i.e., in each of the crossbeam of longeron side
The multi-discs piezoelectric ceramic pieces such as 3 or 4 or 5 are pasted on face, are also symmetrically glued on each face of the crossbeam of the longeron other side
The multi-discs piezoelectric ceramic pieces such as patch 3 or 4 or 5；The top and bottom of longeron can also paste multi-disc third piezoelectricity pottery respectively
Piezoelectric ceramic piece on tile 30 and top and bottom is arranged in a one-to-one correspondence.First piezoelectric ceramic piece 20, the second piezoelectric ceramic piece
40 and two pole surfaces of third piezoelectric ceramic piece 30 be both provided with contact conductor.
It can select only to load high frequency pumping to the first piezoelectric ceramic piece 20 and the second piezoelectric ceramic piece 40 in the present embodiment,
It can be achieved with the target of the two degrees of freedom driving of the diamond shape oscillator；It can also utilize and the load high frequency of third piezoelectric ceramic piece 30 is swashed
It encourages, diamond shaped elastomer driving 102 existing driving track of end is optimized, piezoelectric vibrator is made to possess better power output
Learn performance.
For the ease of statement, using the short diagonal direction of diamond shaped elastomer as X-axis, long-diagonal direction is Y-axis for we,
Z axis is made further according to cartesian coordinate system criterion.Coordinate origin is two diagonal line intersection point of diamond shaped elastomer.First piezoelectricity is made pottery
Length on tile 20 is located at the wide wide face formed in X-Y plane, the length on the first piezoelectric ceramic piece 20 and the high leptoprosopy position formed
In in the faces Y-Z；Length on second piezoelectric ceramic piece 40 is located at the wide wide face formed in the faces Y-Z, on the second piezoelectric ceramic piece 40
Length be located in X-Y plane with the high leptoprosopy formed.
For the ease of understanding the course of work of the application piezoelectric vibrator, only with diamond shape elastomer in X-Y plane in the present embodiment
Interior driving leptoprosopy is located at four second piezoelectric ceramic pieces 40 in X-Y plane and being intervally arranged, and drives leptoprosopy to be located at Y- in the faces Y-Z
It four first piezoelectric ceramic pieces 20 being intervally arranged and is said in the faces Z and for the third piezoelectric ceramic piece 30 optimized
Bright, each piezoelectric ceramics patch loads wiring diagram, referring to Fig. 5-Fig. 7.
End is driven to motivate at it for diamond shaped elastomer as shown in Figure 2 and Figure 5 sharp needed for the elliptical orbit in X-Y plane
Encourage load schematic diagram.A wherein 40 corresponding electrode tip 401 and 404 of the second piezoelectric ceramic piece of two panels is added in X-Y plane
Carry identical excitation Va=Usin (ω t), to 40 corresponding one electricity of the second piezoelectric ceramic piece of other two panels in X-Y plane
The identical excitation of extreme 402 and 403 loads
Vb=Ucos (ω t), in X-Y plane by 4 second piezoelectric ceramic pieces 40 remaining four electrode tips 405,
406,407 and 408 ground connection setting is given.So load phase by pi/2 is ac-excited, you can is motivated at driving end 102
Standard ellipse track in X-Y plane.If amplitude in the X direction is constant, amplitude in the Y direction increases, so can be
Under the premise of originally capacity usage ratio declines seldom, improve a lot to the output force characteristics of piezoelectric vibrator.So in order to optimize
The elliptical orbit makes the elliptical orbit possess the amplitude of bigger in the Y direction, and the excitation load in above-mentioned X-Y plane is constant
In the case of, in conjunction with Fig. 4 and Fig. 7, optimized to having track.To a 30 corresponding electrode of two panels third piezoelectric ceramic piece
303 and 304 load of end and wherein ac-excited phase by pi/4 of the second piezoelectric ceramic piece of two panels electrode tip 401 and 404
Ac-excited Ve=Usin (π/4 ω t+), when driving end 102 to reach amplitude maximum, third piezoelectric ceramic piece 30 is rigid at this time
Good to be retracted to minimum in its longitudinal direction, by diamonding rule, the contraction on short diagonal will grow it diagonally
The elongation of line generates contribution function, to make becoming larger on the original basis in the amplitude of Y direction for driving end 102, and X-direction
Amplitude it is constant, i.e., capacity usage ratio does not decline or declines a little.It is finally reached and improves oscillator power output performance in X-Y plane
Purpose.
Similarly, it is motivated needed for the elliptical orbit in the faces Y-Z at driving end for diamond shaped elastomer as shown in Figure 3 and Figure 6
Excitation load schematic diagram.To wherein 20 corresponding 201 He of an electrode tip of the first piezoelectric ceramic piece of two panels in the faces Y-Z
The identical excitation V of 203 loadsc=Usin (ω t) corresponds to the first piezoelectric ceramic piece of other two panels 20 in the faces Y-Z respectively
An electrode tip 202 and 204 load identical excitation Vd=Ucos (ω t), by four first piezoelectric ceramics in the faces Y-Z
Remaining four electrode tip 205,206,207 and 208 of piece 20 give ground connection setting.The exchange of so load phase by pi/2 swashs
It encourages, you can motivate the standard ellipse track in the faces Y-Z at driving end 102.Similarly, two panels third piezoelectric ceramic piece 30 is distinguished
The ac-excited phase of the corresponding load of an electrode 303 and 304 and wherein the first piezoelectric ceramics of two panels electrode tip 201 and 203
The ac-excited V of phase difference of pi/4e=Usin (π/4 ω t+), when driving end 102 to reach amplitude maximum, third piezoelectricity is made pottery at this time
Tile 30 is just retracted to minimum in its longitudinal direction, and by diamonding rule, the contraction on short diagonal will be right
The elongation of its long-diagonal generates contribution function, to make becoming on the original basis in the amplitude of Y direction for driving end 102
Greatly, and the amplitude of Z-direction is constant, i.e., capacity usage ratio does not decline or declines a little.It is defeated in the faces Y-Z to be finally reached raising oscillator
The purpose of output performance.
Piezoelectric vibrator according to the present invention is described in an illustrative manner above with reference to attached drawing.But those skilled in the art
It should be appreciated that for the piezoelectric vibrator that aforementioned present invention is proposed, can also be made on the basis of not departing from the content of present invention
Various improvement.Therefore, protection scope of the present invention should be determined by the content of appended claims.
Claims (10)
1. a kind of piezoelectric vibrator, which is characterized in that including diamond shaped elastomer, the diamond shaped elastomer include diamond shape frame and
Cross driving beam in the diamond shape frame is set, and the diamond shape frame and the cross driving beam are integrated, institute
It states and is provided with multi-disc piezoelectric ceramic piece in cross driving beam.
2. piezoelectric vibrator as described in claim 1, which is characterized in that the corresponding one end of the diamond shaped elastomer long-diagonal
It is connect with rack by rigid connector, the corresponding other end of the diamond shaped elastomer long-diagonal is connect with rotor.
3. piezoelectric vibrator as described in claim 1, which is characterized in that the cross driving beam is located at pair of the diamond shape frame
On linea angulata, at least 8 are provided on the crossbeam in the diamond shaped elastomer long-diagonal direction in the cross driving beam
The piezoelectric ceramic piece.
4. piezoelectric vibrator as claimed in claim 3, which is characterized in that be both provided at least 2 on each face of the crossbeam
The piezoelectric ceramic piece, and at least 2 piezoelectric ceramic pieces on the same face are short about the diamond shaped elastomer
Diagonal line is symmetrical arranged.
5. piezoelectric vibrator as claimed in claim 4, which is characterized in that the piezoelectricity pottery being arranged on each face of the crossbeam
Tile is spaced apart by being located at the longeron in the diamond shaped elastomer short diagonal direction in the cross driving beam.
6. piezoelectric vibrator as claimed in claim 3, which is characterized in that be located at diamond shaped elasticity in the cross driving beam
At least 1 piezoelectric ceramic piece is respectively arranged on the top and bottom of the longeron in body short diagonal direction.
7. piezoelectric vibrator as described in claim 1, which is characterized in that the two-stage of the every piezoelectric ceramic piece is both provided with electricity
The polarization side of pole lead, the multi-disc piezoelectric ceramic piece is its length direction.
8. Piezoelectric Driving oscillator as described in claim 1, which is characterized in that the pressure is not arranged on the diamond shaped elastomer
It is coated with insulated paint on the surface of electroceramics piece, is both provided between the multi-disc piezoelectric ceramic piece and the cross driving beam absolutely
Edge layer.
9. piezoelectric vibrator as described in claim 1, which is characterized in that the diamond shaped elastomer is made of tin bronze material.
10. piezoelectric vibrator as described in claim 1, which is characterized in that the multi-disc piezoelectric ceramic piece is viscous by piezoelectric ceramics
Glue is closed in the cross driving beam.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018623.XA CN108322086A (en) | 2018-01-09 | 2018-01-09 | Piezoelectric vibrator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810018623.XA CN108322086A (en) | 2018-01-09 | 2018-01-09 | Piezoelectric vibrator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108322086A true CN108322086A (en) | 2018-07-24 |
Family
ID=62894132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810018623.XA Pending CN108322086A (en) | 2018-01-09 | 2018-01-09 | Piezoelectric vibrator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108322086A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111756274A (en) * | 2020-07-08 | 2020-10-09 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
| CN112448612A (en) * | 2020-10-26 | 2021-03-05 | 南京航空航天大学 | Piezoelectric actuation linear moving platform and working method thereof |
| CN113595437A (en) * | 2020-04-30 | 2021-11-02 | 华侨大学 | Diamond patch type double-foot linear ultrasonic motor and stator thereof |
| CN114900069A (en) * | 2022-06-10 | 2022-08-12 | 山东理工大学 | Ultrasonic motor stator comprehensively applying d31 deformation |
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|---|---|---|---|---|
| JPS6142284A (en) * | 1984-08-03 | 1986-02-28 | Nec Kansai Ltd | Displacement increasing device |
| CN1759993A (en) * | 2005-11-10 | 2006-04-19 | 上海大学 | 2D shifting unit |
| CN102983777A (en) * | 2012-11-20 | 2013-03-20 | 西安交通大学 | Cascaded amplified type adjustable-step piezoelectric actuator |
| CN107437903A (en) * | 2017-09-12 | 2017-12-05 | 苏州迈客荣自动化技术有限公司 | A kind of rhombus ceramic driver |
-
2018
- 2018-01-09 CN CN201810018623.XA patent/CN108322086A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6142284A (en) * | 1984-08-03 | 1986-02-28 | Nec Kansai Ltd | Displacement increasing device |
| CN1759993A (en) * | 2005-11-10 | 2006-04-19 | 上海大学 | 2D shifting unit |
| CN102983777A (en) * | 2012-11-20 | 2013-03-20 | 西安交通大学 | Cascaded amplified type adjustable-step piezoelectric actuator |
| CN107437903A (en) * | 2017-09-12 | 2017-12-05 | 苏州迈客荣自动化技术有限公司 | A kind of rhombus ceramic driver |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113595437A (en) * | 2020-04-30 | 2021-11-02 | 华侨大学 | Diamond patch type double-foot linear ultrasonic motor and stator thereof |
| CN113595437B (en) * | 2020-04-30 | 2024-06-07 | 华侨大学 | Rhombic patch type bipedal linear ultrasonic motor and stator thereof |
| CN111756274A (en) * | 2020-07-08 | 2020-10-09 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
| CN111756274B (en) * | 2020-07-08 | 2022-03-01 | 山东理工大学 | Excitation-enhanced all-wind-direction wind-induced vibration piezoelectric energy harvesting device |
| CN112448612A (en) * | 2020-10-26 | 2021-03-05 | 南京航空航天大学 | Piezoelectric actuation linear moving platform and working method thereof |
| CN114900069A (en) * | 2022-06-10 | 2022-08-12 | 山东理工大学 | Ultrasonic motor stator comprehensively applying d31 deformation |
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Application publication date: 20180724 |
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