CN206595916U - Asymmetric biplate piezoelectric fabric inertia drive - Google Patents
Asymmetric biplate piezoelectric fabric inertia drive Download PDFInfo
- Publication number
- CN206595916U CN206595916U CN201720289016.8U CN201720289016U CN206595916U CN 206595916 U CN206595916 U CN 206595916U CN 201720289016 U CN201720289016 U CN 201720289016U CN 206595916 U CN206595916 U CN 206595916U
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- Prior art keywords
- piezoelectric fabric
- mass
- metallic plate
- asymmetric
- inertia
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Abstract
Asymmetric biplate piezoelectric fabric inertia drive described in the utility model, including actuator and two masses.By two panels piezoelectric fabric, the asymmetric bonding on metallic plate of the prebuckling in certain radian is constituted actuator, metallic plate two ends connect two masses respectively, piezoelectric fabric contraction distortion under alternating voltage effect, metal sheet surface is set to produce moment of flexure, the mass of lower section plays stable and supporting role, and the mass of top produces inertia force during motion.Under electric signal excitation, left side piezoelectric fabric contraction distortion, then right side piezoelectric fabric elongation strain, metallic plate drives top mass to swing to the left, produces inertial impact force to the right, and device integrally moves right, then the electric signal of input is changed, metallic plate restores, mobile on the right side of the mass of top, completes a period of motion.The utility model have the advantages that it is simple in construction, be easily achieved, device reliability is high, pumping signal is easy to produce and controlled, mechanism controllability is good.
Description
Technical field
The utility model belongs to precision optical machinery driving field.In terms of 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.Traditional precision actuation is mainly using mechanical, such as precision lead screw pair and rolling rail plate, accurate spiral shell
Revolve cotter mechanism etc., but due to there are problems that gap, rub, its precision is difficult to meet to require, is sent 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 the inverse piezoelectric effect of application piezoelectric, i.e., when piezoelectrics are by 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, by having unique advantage in terms of the stagnant ring draw degree of piezoelectric element, have been developed as pressure
One pith of electric precision actuation.Believed more than existing piezoelectric inertia drive device using Asymmetric Electric signal as excitation
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 utility model proposes a kind of asymmetric biplate piezoelectric fabric inertial drive
Device, the inertial impact force produced when being swung using top mass makes Piexoelectric actuator produce directed movement.With device
Reliability is high, is easy to produce without electromagnetic interference, pumping signal and controls, the advantages of device controllability is good.
The content of the invention
The technical problem of solution is required for of the invention：The deformation effect of piezoelectric fabric is in metallic plate (4), metallic plate (4)
Mass 1 (1) is driven to swing, the inertial impact force produced using mass 1 (1) realizes the overall motion of device.
In order to solve the above technical problems, the technical solution adopted in the present invention is：
Described piezoelectric fabric 1 (2), piezoelectric fabric 2 (3) and metallic plate (4) uses conductive adhesive.
Described metallic plate (4) need to process certain radian, so as to make it have more preferable mechanical property, end is processed into
Threaded post is so as to quality of connection block 1 (1), mass 2 (5).Mass 1 (1) and mass 2 (5) have corresponding screwed hole simultaneously.
Described metallic plate (4) left and right two sides is bonded two panels piezoelectric fabric respectively, and wherein piezoelectric fabric 1 (2) leans on metallic plate
(4) top is bonded, and portion is bonded piezoelectric fabric 2 (3) on the lower, and metallic plate (4) two ends connect with mass 1 (1) mass 2 (5) respectively
Connect.
Given electric signal, piezoelectric fabric 1 (2) contraction distortion, metallic plate (4) band are passed through to described Piexoelectric actuator
Kinoplaszm gauge block 1 (1) is swung to the left, and then piezoelectric fabric 2 (4) is encouraged elongation strain by electric signal, and mass 1 (1) continues to the left
Swing, the inertia force produced using mass during this 1 (1) realizes the continuous motion of device to the right.
Asymmetric biplate piezoelectric fabric inertia drive of the present invention uses metallic plate (4) and piezoelectric fabric 1
(2), the design that piezoelectric fabric 2 (3) is mutually bonded, using given electric signal, effectively reduces the complexity of structure, overcomes
The shortcoming that mechanism is not easily controlled, has reached the purpose of device orient motion.Using the side of two panels piezoelectric fabric driven
Formula, the process that metallic plate (4) is swung copies the inertia force generation produced in the lateral orbital movement of snake, mass 1 (1) swing process
Stiction during orbital movement lateral for snake, drive device carries out the motion of left and right directions.Two panels piezoelectric fabric is with asymmetric
Form be bonded on metallic plate (4), the movement travel of mass 1 (1) is increased, beneficial to store kinetic energy.
Brief description of the drawings
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.
Embodiment
The utility model is related to a kind of asymmetric biplate piezoelectric fabric inertia drive, is that one kind utilizes piezoelectric fabric
Inverse piezoelectric effect and inertial drive principle drive mechanism realize motion novel driving device.As shown in figure 1, actuator is by two
Piece piezoelectric fabric asymmetric bonding on metal substrate of the prebuckling in certain radian is constituted, and metallic plate (4) two ends are connected respectively
Mass 1 (1) and mass 2 (5), wherein mass 2 (5) play stable and supporting role, mistake of the mass 1 (1) in motion
Inertia force is produced in journey.It is in parallel Nian Jie using conducting resinl between piezoelectric fabric 1 (2), piezoelectric fabric 2 (3) and metallic plate (4).Gold
Category plate (4) processes certain radian, and threaded post is processed into so as to quality of connection block 1 (1) and mass 2 (5), mass in end
(1), mass 2 (5) has corresponding screwed hole.Wherein mass 2 (5) is longer than mass 1 (1), makes device in the mistake of motion
More stablize in journey.Metallic plate should have appropriate predeformation when being bonded piezoelectric fabric, reach increase mass 1 (1) stroke, from
And beneficial to the purpose of store kinetic energy.
Piezoelectric fabric 1 (2) contraction distortion under the excitation of electric signal, metallic plate (4) drives mass 1 (1) to swing to the left,
Piezoelectric fabric 2 (3) elongation strain in the presence of electric signal afterwards, drives mass 1 (1) to continue to swing to the left, corresponding to produce
Inertial impact force to the right, while its centrifugal intertia force reduces the normal pressure between mass 2 (5) and ground, that is, drops
Low frictional force between drive device and ground, device integrally moves right, and then changes the input of electric signal, and metallic plate is multiple
Mobile on the right side of original, mass 1 (1), device returns to original state, completes a period of motion.Repeating said process can be with
Realize the overall continuous motion to the right of device.
Claims (4)
1. a kind of asymmetric biplate piezoelectric fabric inertia drive, it includes mass 1 (1), piezoelectric fabric 1 (2), piezoelectricity
Fiber 2 (3), metallic plate (4), mass 2 (5), it is characterised in that：Power source is that two panels has flexible piezoelectric fabric, two panels
Piezoelectric fabric asymmetric bonding on metallic 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) is swung to the left, and then piezoelectricity is fine
2 (3) elongation strains are tieed up, metallic plate continues to drive mass 1 (1) to swing to the left, the corresponding inertial impact force produced to the right, simultaneously
Its centrifugal intertia force reduces the normal pressure between mass 2 (5) and ground, that is, reduces between drive device and ground
Frictional force, device integrally moves right, and then changes the input of electric signal, and metallic plate restores, mobile on the right side of mass 1 (1),
Device returns to original state, completes a period of motion, and overall to the right continuous of device can be realized by repeating said process
Motion.
2. asymmetric biplate piezoelectric fabric inertia drive according to claim 1, it is characterised in that：Power source is
Two panels has flexible piezoelectric fabric, it is possible to achieve Large Deflection Deformation.
3. asymmetric biplate piezoelectric fabric inertia drive according to claim 1, it is characterised in that：Using two panels
The mode of piezoelectric fabric driven, metallic plate (4) does the inertia force generation produced in oscillating motion, mass 1 (1) swing process
Stiction when being swung for metallic plate (4), drive device carries out the motion of left and right directions.
4. asymmetric biplate piezoelectric fabric inertia drive according to claim 1, it is characterised in that：Actuator can
To there is one, it is possibility to have multiple to be distributed on mass 2 (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289016.8U CN206595916U (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720289016.8U CN206595916U (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206595916U true CN206595916U (en) | 2017-10-27 |
Family
ID=60121478
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720289016.8U Expired - Fee Related CN206595916U (en) | 2017-03-23 | 2017-03-23 | Asymmetric biplate piezoelectric fabric inertia drive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206595916U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982005A (en) * | 2017-03-23 | 2017-07-25 | 吉林大学 | Asymmetric biplate piezoelectric fabric inertia drive |
-
2017
- 2017-03-23 CN CN201720289016.8U patent/CN206595916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106982005A (en) * | 2017-03-23 | 2017-07-25 | 吉林大学 | Asymmetric biplate piezoelectric fabric inertia drive |
| CN106982005B (en) * | 2017-03-23 | 2019-07-05 | 吉林大学 | Asymmetric biplate piezoelectric fabric inertia drive |
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Legal Events
| 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: 20171027 Termination date: 20200323 |
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| CF01 | Termination of patent right due to non-payment of annual fee |