CN106849740A - Inertial rotation drive device based on piezoelectric fabric - Google Patents
Inertial rotation drive device based on piezoelectric fabric Download PDFInfo
- Publication number
- CN106849740A CN106849740A CN201710177826.9A CN201710177826A CN106849740A CN 106849740 A CN106849740 A CN 106849740A CN 201710177826 A CN201710177826 A CN 201710177826A CN 106849740 A CN106849740 A CN 106849740A
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- Prior art keywords
- piezoelectric fabric
- metallic plate
- mass
- piezoelectric
- inertial
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- 239000004744 fabric Substances 0.000 title claims abstract description 36
- 239000002184 metal Substances 0.000 claims abstract description 6
- 230000005284 excitation Effects 0.000 claims abstract description 5
- 238000005096 rolling process Methods 0.000 claims abstract description 4
- 238000000034 method Methods 0.000 claims description 6
- 230000008569 process Effects 0.000 claims description 5
- 230000009286 beneficial effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 230000008901 benefit Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 238000005086 pumping Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000009466 transformation Effects 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
- H02N2/0005—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing non-specific motion; Details common to machines covered by H02N2/02 - H02N2/16
- H02N2/005—Mechanical details, e.g. housings
Abstract
Inertial rotation drive device based on piezoelectric fabric of the present invention, including actuator, pillar, rolling bearing and base plate.Prebuckling is monolithically fabricated actuator in piezoelectric fabric and at one end quality of connection block is bonded on the metallic plate of certain radian, and the other end of metallic plate is fixed on pillar, and pillar is connected by rolling bearing with base plate.Piezoelectric fabric elongation strain under alternating voltage effect, makes metal sheet surface produce moment of flexure, and metallic plate one end quality of connection block, mass produces inertia force during motion.Under electric signal excitation, piezoelectric fabric elongation strain simultaneously, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, produce anticlockwise inertial impact force, device is integrally rotated counterclockwise, and then changes the electric signal of input, and metallic plate restores, device returns to original state, completes a period of motion.By changing the electrical signal form of input, device can also rotated clockwise.
Description
Technical field
Field is driven the invention belongs to precision optical machinery.It is applied to the aspects such as microrobot driving, microminiature machinery.
Background technology
In recent years, with the fast development of nanometer technique, in biomedical engineering, precision optical machinery, robot, calculating
Machine, automatically control, accurate measurement, accurate device micro manufacturing, the technical field such as Ultra-precision Turning is to the driving skill of microminiature machinery
The demand of art is increasing., mainly using mechanically, such as precision lead screw is secondary and rolls rail plate, accurate spiral shell for traditional precision actuation
Rotation cotter mechanism etc., but due to there are problems that gap, rub, its precision is difficult to meet and requires, sends out under these conditions
Put on display many new type of drive, such as electrostatic attraction, electromagnetic type, magnetostriction type, marmem formula and pressure
Electric-type etc..
The operation principle of Piezoelectric Driving is mainly using the inverse piezoelectric effect of piezoelectric, i.e., when piezoelectrics receive electric field action
When can produce deformation, have the advantages that compared with other modes electromechanical transformation ratio it is high, without electromagnetic interference, fast response time, and
Flexible piezoelectric fiber can be used on curved-surface structure, had broad application prospects in terms of novel intelligent material.
Another aspect inertia-type Piexoelectric actuator is because it is in impulse stroke, resolution ratio, working frequency, movement velocity, frequency
Rate response, manufacturing cost, the advantage by aspects such as the stagnant ring draw degree of piezoelectric element with uniqueness, have been developed as pressure
One pith of electric precision actuation.Believed as excitation using Asymmetric Electric signal more than existing piezoelectric inertia drive device
Number, but this drive device has the shortcomings that signal is not easy to generation, mechanism and is not easily controlled, has the larger motion that retracts.In view of mesh
The problems of preceding piezoelectric inertia drive device, the present invention proposes a kind of inertial rotation drive device based on piezoelectric fabric,
By the inertial impact force for controlling mass to produce, Piexoelectric actuator is set to produce rotary motion.With simple structure, it is easy to real
Existing, device reliability is high, be easy to produce without electromagnetic interference, pumping signal and control, the advantages of device controllability is good.
The content of the invention
The technical problem of solution is required for of the invention：Piezoelectric fabric drives metallic plate to drive under the excitation of electric signal
Mass is rotated, and the inertia force produced during utilization realizes the overall rotation of device.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
Described piezoelectric fabric 1 (2) is with metallic plate 1 (3), piezoelectric fabric 2 (4) with metallic plate 2 (5) using conductive gluing
Connect.
Described metallic plate 1 (3) and metallic plate 2 (5) need to process certain radian, so as to make it have more preferable mechanical property
Can, threaded post is processed into so as to quality of connection block 1 (1), mass 2 (6) in end.Mass 1 (1) and mass 2 (6) are equal simultaneously
There is corresponding screwed hole.
Pumping signal is passed through to described Piexoelectric actuator, piezoelectric fabric elongation strain drives metal plate and belt kinoplaszm amount
Block is rotated rapidly clockwise, then changes electric signal, and metallic plate is restored, and mass is moved counterclockwise, using quality during this
Inertial impact force produced by block, realizes that device is rotated counterclockwise.
Pumping signal is passed through to described Piexoelectric actuator, piezoelectric fabric (2) elongation strain drives metal plate and belt kinoplaszm
Gauge block is slowly rotated clockwise, and then changes electric signal, and metallic plate Fast Restoration, mass is rotated rapidly counterclockwise, is produced suitable
Conterclockwise inertial impact force, realizes that device is integrally rotated clockwise.
Inertial rotation drive device based on piezoelectric fabric of the present invention is mutually bonded by metallic plate with piezoelectric fabric
Design, effectively reduce the complexity of structure, overcome the shortcoming that device is not easily controlled.Metallic plate has certain arc
Degree, is not flat board, Nian Jie with piezoelectric fabric, the speed of mass is improve, beneficial to store kinetic energy.Realize device orient rotation
Purpose.
Brief description of the drawings
Fig. 1 is the inertial rotation drive device overall structure diagram based on piezoelectric fabric；
Fig. 2 is the clockwise movement schematic diagram of the inertial rotation drive device based on piezoelectric fabric；
Fig. 3 is the counterclockwise movement schematic diagram of the inertial rotation drive device based on piezoelectric fabric.
Specific embodiment
It is a kind of inverse pressure of utilization piezoelectric fabric the present invention relates to a kind of inertial rotation drive device based on piezoelectric fabric
Electrical effect and inertial drive principle drive mechanism realize the novel driving device for rotating.As shown in figure 1, the two ends of metallic plate 1 (3) point
Distinguish quality of connection block 2 (6) and pillar (7), mass 1 in other quality of connection block 1 (1) and pillar (7), the two ends of metallic plate 2 (5)
And mass 2 (6) produces inertia force during motion (1).Power source is that two panels has flexible piezoelectric fabric, prebuckling
In the metallic plate and piezoelectric fabric of certain radian be Nian Jie and quality of connection block at one end, actuator is monolithically fabricated.Piezoelectric fabric with
Using conducting resinl bonding in parallel between metallic plate.Metallic plate 1 (3), metallic plate 2 (5) process certain radian, and spiral shell is processed into end
Line post has so as to quality of connection block 1 (1), mass 2 (6) and pillar (7), mass 1 (1), mass 2 (6) and pillar (7)
Corresponding screwed hole., for stablizing actuator, both are connected by rolling bearing (8) for base plate (9) and pillar (7).Metallic plate exists
There should be appropriate predeformation during bonding piezoelectric fabric, increase mass stroke be reached, so that beneficial to the purpose of store kinetic energy.
Piezoelectric fabric elongation strain under electric signal excitation, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, corresponding to produce
The anticlockwise inertial impact force of life, device is integrally rotated counterclockwise, and then changes the electric signal of input, and metallic plate restores,
Mass is moved counterclockwise, and device returns to original state, completes a period of motion.Repeating said process can realize dress
Put overall counterclockwise continuous rotation.The electrical signal form that change is passed through, piezoelectric fabric elongation strain drives metallic plate to drive
Mass is slowly rotated clockwise, then changes electric signal, and metallic plate Fast Restoration, mass 1 (1) is rotated rapidly counterclockwise,
Produce inertial impact force along clockwise direction, device integrally to rotate clockwise, complete a period of motion.Repeat said process
The overall rotation continuous clockwise of device can be realized.
Claims (3)
1. a kind of inertial rotation drive device based on piezoelectric fabric, it includes mass 1 (1), piezoelectric fabric 1 (2), metallic plate
1 (3), piezoelectric fabric 2 (4), metallic plate 2 (5), mass 2 (6), pillar (7), rolling bearing (8), base plate (9), its feature exist
In：Power source is that two panels has a flexible piezoelectric fabric, prebuckling in the metallic plate of certain radian it is Nian Jie with piezoelectric fabric and
One end quality of connection block, is monolithically fabricated actuator, is worked using inertial drive principle, under electric signal excitation, piezoelectric fabric elongation
Deformation, metal plate and belt kinoplaszm gauge block is rotated rapidly clockwise, accordingly produces anticlockwise inertial impact force, and drive device is whole
Body is rotated counterclockwise, and then changes the input of electric signal, and metallic plate is restored, and mass is moved counterclockwise, and device recovers original
State, completes a period of motion, and repeating said process can realize the overall motion continuous counterclockwise of device.
2. the inertia drive based on piezoelectric fabric according to claim 1, it is characterised in that：Power source is two panels tool
Flexible piezoelectric fabric, it is possible to achieve Large Deflection Deformation.
3. the inertia drive based on piezoelectric fabric according to claim 1, it is characterised in that：Metallic plate has certain
Radian, be not flat board, it is Nian Jie with piezoelectric fabric, the speed of mass is improve, beneficial to store kinetic energy.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177826.9A CN106849740B (en) | 2017-03-23 | 2017-03-23 | Inertial rotation driving device based on piezoelectric fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177826.9A CN106849740B (en) | 2017-03-23 | 2017-03-23 | Inertial rotation driving device based on piezoelectric fabric |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106849740A true CN106849740A (en) | 2017-06-13 |
| CN106849740B CN106849740B (en) | 2019-08-27 |
Family
ID=59129781
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177826.9A Expired - Fee Related CN106849740B (en) | 2017-03-23 | 2017-03-23 | Inertial rotation driving device based on piezoelectric fabric |
Country Status (1)
| Country | Link |
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| CN (1) | CN106849740B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126355A (en) * | 1994-10-20 | 1996-05-17 | Nikon Corp | Precision positioning device |
| CN202565197U (en) * | 2012-05-13 | 2012-11-28 | 浙江师范大学 | Asymmetric piezoelectric inertial driver |
| US20150071042A1 (en) * | 2013-09-06 | 2015-03-12 | Casio Computer Co., Ltd. | Driving unit and timepiece |
| CN105827147A (en) * | 2016-06-12 | 2016-08-03 | 吉林大学 | Inertia piezoelectric driving motor |
| CN105846714A (en) * | 2016-06-12 | 2016-08-10 | 吉林大学 | Stepping piezoelectric drive motor |
| CN205490232U (en) * | 2016-01-07 | 2016-08-17 | 浙江师范大学 | Two -way rotary actuator of asymmetric piezoelectricity |
| CN205584047U (en) * | 2015-11-30 | 2016-09-14 | 浙江师范大学 | Asymmetric rotatory inertia piezo -actuator with adjustable frictional force |
| CN206564549U (en) * | 2017-03-23 | 2017-10-17 | 吉林大学 | Inertial rotation drive device based on piezoelectric fabric |
-
2017
- 2017-03-23 CN CN201710177826.9A patent/CN106849740B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126355A (en) * | 1994-10-20 | 1996-05-17 | Nikon Corp | Precision positioning device |
| CN202565197U (en) * | 2012-05-13 | 2012-11-28 | 浙江师范大学 | Asymmetric piezoelectric inertial driver |
| US20150071042A1 (en) * | 2013-09-06 | 2015-03-12 | Casio Computer Co., Ltd. | Driving unit and timepiece |
| CN205584047U (en) * | 2015-11-30 | 2016-09-14 | 浙江师范大学 | Asymmetric rotatory inertia piezo -actuator with adjustable frictional force |
| CN205490232U (en) * | 2016-01-07 | 2016-08-17 | 浙江师范大学 | Two -way rotary actuator of asymmetric piezoelectricity |
| CN105827147A (en) * | 2016-06-12 | 2016-08-03 | 吉林大学 | Inertia piezoelectric driving motor |
| CN105846714A (en) * | 2016-06-12 | 2016-08-10 | 吉林大学 | Stepping piezoelectric drive motor |
| CN206564549U (en) * | 2017-03-23 | 2017-10-17 | 吉林大学 | Inertial rotation drive device based on piezoelectric fabric |
Non-Patent Citations (1)
| Title |
|---|
| 张宏壮: ""压电双晶片型惯性冲击式旋转精密驱动器研究"", 《光学精密工程》 * |
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| CN106849740B (en) | 2019-08-27 |
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Granted publication date: 20190827 Termination date: 20210323 |