CN106982005B - Asymmetric biplate piezoelectric fabric inertia drive - Google Patents
Asymmetric biplate piezoelectric fabric inertia drive Download PDFInfo
- Publication number
- CN106982005B CN106982005B CN201710177976.XA CN201710177976A CN106982005B CN 106982005 B CN106982005 B CN 106982005B CN 201710177976 A CN201710177976 A CN 201710177976A CN 106982005 B CN106982005 B CN 106982005B
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- Prior art keywords
- piezoelectric fabric
- mass block
- metal plate
- asymmetric
- electric signal
- Prior art date
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- 239000004744 fabric Substances 0.000 title claims abstract description 37
- 239000002184 metal Substances 0.000 claims abstract description 29
- 238000000034 method Methods 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 10
- 230000008602 contraction Effects 0.000 claims abstract description 5
- 230000005284 excitation Effects 0.000 claims abstract description 4
- 230000008859 change Effects 0.000 claims abstract description 3
- 239000000835 fiber Substances 0.000 claims description 3
- 230000007246 mechanism Effects 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000005086 pumping Methods 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 4
- 241000270295 Serpentes Species 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000004044 response Effects 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000758 substrate Substances 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
- H02N2/02—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing linear motion, e.g. actuators; Linear positioners ; Linear motors
- H02N2/06—Drive circuits; Control arrangements or methods
- H02N2/062—Small signal circuits; Means for controlling position or derived quantities, e.g. for removing hysteresis
-
- 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
- H02N2/043—Mechanical transmission means, e.g. for stroke amplification
Landscapes
- General Electrical Machinery Utilizing Piezoelectricity, Electrostriction Or Magnetostriction (AREA)
Abstract
Asymmetric biplate piezoelectric fabric inertia drive of the present invention, including actuator and two mass blocks.By two panels piezoelectric fabric, the asymmetric bonding on metal plate of the prebuckling in certain radian is constituted actuator, metal board ends are separately connected two mass blocks, piezoelectric fabric contraction distortion under alternating voltage effect, metal sheet surface is set to generate moment of flexure, the mass block of lower section plays stable and supporting role, the mass block of top and generates inertia force in the process of movement.Under electric signal excitation, left side piezoelectric fabric contraction distortion, then right side piezoelectric fabric elongation strain, metal plate drives top mass block to swing to the left, generates inertial impact force to the right, device integrally moves right, then change the electric signal of input, metal plate restores, mobile on the right side of the mass block of top, completes a period of motion.The present invention has many advantages, such as that structure is simple, is easily achieved, device reliability is high, pumping signal is easy to generate and control, mechanism controllability is good.
Description
Technical field
The invention belongs to precision machinery drive areas.Applied to microrobot driving, microminiature machinery etc..
Background technique
In recent years, with the fast development of nanometer technique, in biomedical engineering, precision machinery, robot, calculating
Driving skill of the technical fields such as machine, automatic control, accurate measurement, accurate device micro manufacturing, Ultra-precision Turning to microminiature machinery
The demand of art is increasing.Traditional precision actuation mainly uses mechanically, as precision lead screw is secondary and rolls slide rail, accurate spiral shell
Revolve cotter mechanism etc., but due to there are gap, rub, creep the problems such as, precision is difficult to meet the requirements, and sends out under these conditions
Put on display many novel driving methods, such as electrostatic attraction, electromagnetic type, magnetostriction type, marmem formula and pressure
Electric-type etc..
The working principle of Piezoelectric Driving is mainly to apply the inverse piezoelectric effect of piezoelectric material, i.e., when piezoelectrics are by electric field action
When can generate deformation, have many advantages, such as 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, have 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 are had unique advantage by stagnant ring draw degree of piezoelectric element etc., have been developed as pressing
One pith of electric precision actuation.Existing piezoelectric inertia driving device mostly uses Asymmetric Electric signal as excitation letter
Number, but this driving device has the shortcomings that signal is not easy to generation, mechanism is not easily controlled, has larger rollback to move.In view of mesh
The problems of preceding piezoelectric inertia driving device, the present invention propose a kind of asymmetric biplate piezoelectric fabric inertial drive dress
It sets, the inertial impact force generated when being swung using top mass block makes Piexoelectric actuator generate directed movement.It can with device
It is high by property, without the advantages that electromagnetic interference, pumping signal are easy to generate and control, device controllability is good.
Summary of the invention
Technical problems to be solved needed for the present invention are: the deformation effect of piezoelectric fabric is in metal plate (4), metal plate (4)
Mass block 1 (1) is driven to swing, the inertial impact force generated using mass block 1 (1), the movement of realization device entirety.
In order to solve the above technical problems, the technical scheme adopted by the invention is that:
The piezoelectric fabric 1 (2), piezoelectric fabric 2 (3) and metal plate (4) use conductive adhesive.
The metal plate (4) need to process certain radian, to make it have better mechanical property, end is processed into
Threaded post is so as to quality of connection block 1 (1), mass block 2 (5).Mass block 1 (1) and mass block 2 (5) have corresponding threaded hole simultaneously.
Described metal plate (4) the left and right two sides is bonded two panels piezoelectric fabric respectively, and wherein piezoelectric fabric 1 (2) leans on metal plate
(4) top is bonded, and piezoelectric fabric 2 (3) is bonded by lower part, and metal plate (4) both ends connect with mass block 1 (1) mass block 2 (5) respectively
It connects.
Given electric signal, piezoelectric fabric 1 (2) contraction distortion, metal plate (4) band are passed through to the Piexoelectric actuator
Kinoplaszm gauge block 1 (1) is swung to the left, and then piezoelectric fabric 2 (4) is motivated elongation strain by electric signal, and mass block 1 (1) continues to the left
It swings, the inertia force generated using mass block 1 (1) during this, the continuous movement of realization device to the right.
Asymmetric biplate piezoelectric fabric inertia drive of the present invention uses metal plate (4) and piezoelectric fabric 1
(2), the design that piezoelectric fabric 2 (3) is mutually bonded effectively is reduced the complexity of structure, is overcome using given electric signal
The shortcomings that mechanism is not easily controlled has achieved the purpose that device orient moves.Using the side of two panels piezoelectric fabric driven
Formula, the process that metal plate (4) is swung copy the lateral orbital movement of snake, the inertia force generation generated in mass block 1 (1) swing process
Stiction when orbital movement lateral for snake, driving device carry out the movement of left and right directions.Two panels piezoelectric fabric is with asymmetry
Form be bonded on metal plate (4), increase the movement travel of mass block 1 (1), be conducive to store kinetic energy.
Detailed description of the invention
Fig. 1 is the overall structure diagram of asymmetric biplate piezoelectric fabric inertia drive；
Fig. 2 is the motion process schematic diagram of asymmetric biplate piezoelectric fabric inertia drive；
Fig. 3 is is given electric signal schematic diagram；
Fig. 4 is the schematic diagram that multiple actuators act on asymmetric biplate piezoelectric fabric inertia drive.
Specific embodiment
It is a kind of to utilize the inverse of piezoelectric fabric the present invention relates to a kind of asymmetric biplate piezoelectric fabric inertia drive
Piezoelectric effect and inertial drive principle driving mechanism realize the novel driving device of movement.As shown in Figure 1, actuator is by two panels pressure
Electric fiber asymmetric bonding on metal substrate of the prebuckling in certain radian is constituted, and metal plate (4) both ends are separately connected quality
Block 1 (1) and mass block 2 (5), wherein mass block 2 (5) plays stable and supporting role, and mass block 1 (1) is in the process of movement
Generate inertia force.It is Nian Jie using conducting resinl parallel connection between piezoelectric fabric 1 (2), piezoelectric fabric 2 (3) and metal plate (4).Metal plate
(4) certain radian is processed, threaded post is processed into so as to quality of connection block 1 (1) and mass block 2 (5), mass block (1), matter in end
Gauge block 2 (5) has corresponding threaded hole.Wherein mass block 2 (5) is longer than mass block 1 (1), makes device in the process of movement more
Add stabilization.Metal plate should have predeformation appropriate when being bonded piezoelectric fabric, reach and increase mass block 1 (1) stroke, to be conducive to
The purpose of store kinetic energy.
Piezoelectric fabric 1 (2) contraction distortion under the excitation of electric signal, metal plate (4) drive mass block 1 (1) to swing to the left,
Piezoelectric fabric 2 (3) elongation strain under the action of electrical signals later drives mass block 1 (1) to continue to swing to the left, corresponding to generate
Inertial impact force to the right, while its centrifugal intertia force reduces the normal pressure between mass block 2 (5) and ground, that is, drops
Low frictional force between driving device and ground, device integrally move right, and then change the input of electric signal, and metal plate is multiple
Original, mass block 1 (1) right side is mobile, and device is restored to original state, completes a period of motion.Repeating the above process can be with
The whole continuous movement to the right of realization device.
Claims (1)
1. a kind of asymmetric biplate piezoelectric fabric inertia drive comprising mass block 1(1), piezoelectric fabric 1(2), piezoelectricity
Fiber 2(3), metal plate (4), mass block 2(5), it is characterised in that: power source be two panels have piezoelectric fabric flexible, two panels
Piezoelectric fabric asymmetric bonding on metal plate of the prebuckling in certain radian constitutes actuator, using inertial drive principle work
Make, under electric signal excitation, piezoelectric fabric 1(2) contraction distortion, metal plate and belt kinoplaszm gauge block 1(1) it swings to the left, then piezoelectricity is fine
Tie up 2(3) elongation strain, metal plate continues to drive mass block 1(1) swing to the left, the corresponding inertial impact force generated to the right, simultaneously
Its centrifugal intertia force reduces mass block 2(5) and ground between normal pressure, reduce the friction between driving device and ground
Power, device integrally move right, and then change the input of electric signal, and metal plate restores, mass block 1(1) right side is mobile, and device is extensive
Original state is arrived again, completes a period of motion；It repeats the above process and the whole continuous movement to the right of device may be implemented；It adopts
With the mode of two panels piezoelectric fabric driven, metal plate (4) is pendulum motion, mass block 1(1) generate in swing process from
Heart inertia force reduces mass block 2(5) and ground between normal pressure reduce the frictional force between driving device and ground, drive
Dynamic device carries out the movement of left and right directions.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177976.XA CN106982005B (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710177976.XA CN106982005B (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106982005A CN106982005A (en) | 2017-07-25 |
| CN106982005B true CN106982005B (en) | 2019-07-05 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710177976.XA Expired - Fee Related CN106982005B (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
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| Country | Link |
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| CN (1) | CN106982005B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112803829B (en) * | 2021-01-13 | 2021-12-24 | 吉林大学 | Friction asymmetric inertia piezoelectric linear driving device and method |
| CN114802672B (en) * | 2022-05-19 | 2023-03-31 | 南京航空航天大学 | Single-mode patch type piezoelectric driven swinging fin device and driving method |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126355A (en) * | 1994-10-20 | 1996-05-17 | Nikon Corp | Precision positioning device |
| CN201063551Y (en) * | 2007-05-31 | 2008-05-21 | 吉林大学 | Bias support cantilever type piezoelectric inertia shock precise driver |
| CN101719740A (en) * | 2009-12-25 | 2010-06-02 | 中国科学院电工研究所 | Two-degree of freedom inertial driving mechanism utilizing photovoltaic power supply |
| CN202565197U (en) * | 2012-05-13 | 2012-11-28 | 浙江师范大学 | Asymmetric piezoelectric inertial driver |
| CN203289350U (en) * | 2013-06-19 | 2013-11-13 | 浙江师范大学 | Asymmetric clamping piezoelectric inertial driver with ploughing effect |
| CN105915105A (en) * | 2016-06-12 | 2016-08-31 | 吉林大学 | Inertia piezoelectric driver |
| CN206595916U (en) * | 2017-03-23 | 2017-10-27 | 吉林大学 | Asymmetric biplate piezoelectric fabric inertia drive |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6255811B2 (en) * | 2013-09-06 | 2018-01-10 | カシオ計算機株式会社 | Driving device and watch |
-
2017
- 2017-03-23 CN CN201710177976.XA patent/CN106982005B/en not_active Expired - Fee Related
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08126355A (en) * | 1994-10-20 | 1996-05-17 | Nikon Corp | Precision positioning device |
| CN201063551Y (en) * | 2007-05-31 | 2008-05-21 | 吉林大学 | Bias support cantilever type piezoelectric inertia shock precise driver |
| CN101719740A (en) * | 2009-12-25 | 2010-06-02 | 中国科学院电工研究所 | Two-degree of freedom inertial driving mechanism utilizing photovoltaic power supply |
| CN202565197U (en) * | 2012-05-13 | 2012-11-28 | 浙江师范大学 | Asymmetric piezoelectric inertial driver |
| CN203289350U (en) * | 2013-06-19 | 2013-11-13 | 浙江师范大学 | Asymmetric clamping piezoelectric inertial driver with ploughing effect |
| CN105915105A (en) * | 2016-06-12 | 2016-08-31 | 吉林大学 | Inertia piezoelectric driver |
| CN206595916U (en) * | 2017-03-23 | 2017-10-27 | 吉林大学 | Asymmetric biplate piezoelectric fabric inertia drive |
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| CN106982005A (en) | 2017-07-25 |
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