CN107124120A - A kind of single butterfly stator piezoelectricity straight line driver - Google Patents
A kind of single butterfly stator piezoelectricity straight line driver Download PDFInfo
- Publication number
- CN107124120A CN107124120A CN201710457061.4A CN201710457061A CN107124120A CN 107124120 A CN107124120 A CN 107124120A CN 201710457061 A CN201710457061 A CN 201710457061A CN 107124120 A CN107124120 A CN 107124120A
- Authority
- CN
- China
- Prior art keywords
- butterfly
- piezoelectric bimorph
- driving foot
- stator
- mover
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 244000241796 Christia obcordata Species 0.000 claims abstract description 4
- 241000446313 Lamella Species 0.000 claims 1
- 230000003252 repetitive effect Effects 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 3
- 239000000919 ceramic Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction 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
Abstract
The present invention discloses a kind of single butterfly stator piezoelectricity straight line driver, belongs to precision actuation field.Including pedestal (1), butterfly stator (2), mover (3), wherein butterfly stator (2) be fixedly mounted on pedestal (1) and with mover (3) Elastic Contact；Butterfly stator (2) includes rigidly fixing seat (2 1), butterfly oscillator (2 2), and the end of butterfly wing four of butterfly oscillator (2 2), which is fixed on, to be rigidly fixed on seat (2 1)；Butterfly oscillator (2 2) includes piezoelectric bimorph 1 (2 2 1), piezoelectric bimorph 2 (2 2 2), butterfly elastic base plate (2 2 3), arc driving foot (2 2 4), and piezoelectric bimorph 1 (2 2 1) and piezoelectric bimorph 2 (2 2 2) are symmetrically bonded in butterfly elastic base plate (2 2 3) both sides；The coefficient of friction for the left arc driving foot (2 24 1) that arc driving foot (2 2 4) both sides are set is more than right arc driving foot (2 24 2)；Apply driving electric signal to butterfly oscillator (2 2), arc driving foot (2 2 4) is produced left and right repetitive distortion, form friction drive, driving mover (3) motion.The present invention has the advantages that simple and compact for structure, stroke is big, precision is high, load is big, available for fields such as micro-nano technology, precision optics.
Description
Technical field
The invention discloses a kind of single butterfly stator piezoelectricity straight line driver, belong to precision actuation technical field.
Background technology
In recent years, with the development of machinery, existing drive device can not meet the demand of people.Various machineries are set
It is standby to be intended to miniaturization, it is badly in need of ultraprecise micro drives mechanism.Because piezoelectric ceramics has the stable output of micro/nano level precision
Linear displacement is good, easy to control, high resolution the advantages of.Compact actuator using piezoelectric ceramics as core is just progressively answered
With.Present drive mechanism most of on the market, there is that device is complicated, stroke is small, precision is low, load is small.
The content of the invention
For realize big stroke, high accuracy, heavy load combination, the present invention disclose a kind of single butterfly stator piezoelectric straight line and drives
Device.
The present invention is achieved through the following technical solutions：
A kind of single butterfly stator piezoelectricity straight line driver, it is characterised in that：Including pedestal, butterfly stator, wherein mover, butterfly
Shape stator is fixedly mounted on pedestal, and with mover Elastic Contact；Described butterfly stator shakes including rigidly fixing seat, butterfly
Son, the end of butterfly wing four of butterfly oscillator, which is fixed on, to be rigidly fixed on seat；It is double that described butterfly oscillator includes piezoelectric bimorph 1, piezoelectricity
Chip 2, butterfly elastic base plate, arc driving foot, piezoelectric bimorph 1 and piezoelectric bimorph 2 are symmetrically bonded in butterfly elastic base plate
Both sides；The coefficient of friction for the left arc driving foot that the described sufficient both sides of arc driving are set is more than right arc and drives foot；To butterfly
Oscillator applies sine wave drive electric signal, piezoelectric bimorph 1 and the alternating up-down vibration of piezoelectric bimorph 2, makes arc driving foot production
Raw left and right reciprocally swinging, forms friction drive, and driving mover is moved right.
Apply the opposite sine wave drive electric signal of the identical voltage of phase to piezoelectric bimorph 1 and piezoelectric bimorph 2, it is described
Piezoelectric bimorph 1 be bent upwards, when piezoelectric bimorph 2 is bent downwardly, make arc driving foot produce deformation to the right；Described pressure
Electrical twining piece 1 is bent downwardly, when piezoelectric bimorph 2 is bent upwards, and arc driving foot is produced deformation to the left.
The beneficial effects of the invention are as follows：Simple and compact for structure, stroke is big, precision is high, and load is big.
Brief description of the drawings
Fig. 1 is structural representation of the invention；
Fig. 2 is structural blast schematic diagram of the invention；
Fig. 3 is the structural representation of the butterfly stator of the present invention；
Fig. 4 is the structural representation of the butterfly oscillator of the present invention；
Fig. 5 is stator working state figure of the invention；
Fig. 6 is fundamental diagram of the invention；
Fig. 7 is driving electric signal waveform schematic diagram of the invention.
Wherein：1：Pedestal；2：Butterfly stator；2-1：Rigidly fix seat；2-2：Butterfly oscillator；2-2-1：Butterfly elasticity base
Plate；2-2-2：Piezoelectric bimorph 1；2-2-3：Piezoelectric bimorph 2；2-2-4：Arc driving foot；2-2-4-1：Left arc driving foot；
2-2-4-2：Right arc driving foot；3：Mover.
Embodiment
Accompanying drawing described herein is used for providing a further understanding of the present invention, constitutes the part of the application, this hair
Bright illustrative example and its illustrate to be used to explain the present invention, do not constitute inappropriate limitation of the present invention.
Referring to shown in Fig. 1 to Fig. 7, present embodiments provide for a kind of single butterfly stator piezoelectricity straight line driver, its feature
It is：Including pedestal (1), butterfly stator (2), mover (3), wherein butterfly stator (2) is fixedly mounted on pedestal (1), and with
Mover (3) Elastic Contact；Described butterfly stator (2) includes rigidly fixing seat (2-1), butterfly oscillator (2-2), butterfly oscillator
The end of butterfly wing four of (2-2), which is fixed on, to be rigidly fixed on seat (2-1)；Described butterfly oscillator (2-2) includes (2- of piezoelectric bimorph 1
2-1), piezoelectric bimorph 2 (2-2-2), butterfly elastic base plate (2-2-3), arc driving foot (2-2-4), (2- of piezoelectric bimorph 1
2-1) symmetrically butterfly elastic base plate (2-2-3) both sides are bonded in piezoelectric bimorph 2 (2-2-2)；Described arc driving foot (2-
The coefficient of friction for the left arc driving foot (2-2-4-1) that 2-4) both sides are set is more than right arc driving foot (2-2-4-2)；To butterfly
Oscillator (2-2) applies driving electric signal, piezoelectric bimorph 1 (2-2-1) and piezoelectric bimorph 2 (2-2-2) alternating up-down vibration, makes
Arc driving foot (2-2-4) produces left and right reciprocally swinging, forms friction drive, and driving mover (3) is moved right.
Apply the opposite sine wave of the identical voltage of phase to piezoelectric bimorph 1 (2-2-1) and piezoelectric bimorph 2 (2-2-2)
Electric signal is driven, described piezoelectric bimorph 1 (2-2-1) is bent upwards, and when piezoelectric bimorph 2 (2-2-2) is bent downwardly, makes arc
Shape driving foot (2-2-4) produces deformation to the right；Described piezoelectric bimorph 1 (2-2-1) is bent downwardly, (the 2-2- of piezoelectric bimorph 2
2) when being bent upwards, arc driving foot (2-2-4) is made to produce deformation to the left.
Claims (2)
1. a kind of single butterfly stator piezoelectricity straight line driver, it is characterised in that：Including pedestal (1), butterfly stator (2), mover
(3), wherein butterfly stator (2) is fixedly mounted on pedestal (1), and with mover (3) Elastic Contact；Described butterfly stator (2)
Including rigidly fixing seat (2-1), butterfly oscillator (2-2), the end of butterfly wing four of butterfly oscillator (2-2), which is fixed on, rigidly fixes seat (2-
1) on；Described butterfly oscillator (2-2) includes the elastic base of piezoelectric bimorph 1 (2-2-1), piezoelectric bimorph 2 (2-2-2), butterfly
Plate (2-2-3), arc driving foot (2-2-4), piezoelectric bimorph 1 (2-2-1) and piezoelectric bimorph 2 (2-2-2) are symmetrically bonded in
Butterfly elastic base plate (2-2-3) both sides；The left arc driving foot (2-2-4- that described arc driving foot (2-2-4) both sides are set
1) coefficient of friction is more than right arc driving foot (2-2-4-2)；Apply driving electric signal, piezoelectric bimorph to butterfly oscillator (2-2)
Piece 1 (2-2-1) and piezoelectric bimorph 2 (2-2-2) alternating up-down vibration, make arc driving foot (2-2-4) contact with mover (3)
Point or so reciprocally swinging, forms friction drive, and driving mover (3) is moved right.
2. a kind of single butterfly stator piezoelectricity straight line driver according to claim 1, it is characterised in that：To described piezoelectricity
Twin lamella 1 (2-2-1) applies and piezoelectric bimorph 2 (2-2-2) phase differs half period (T/2) sine wave drive electric signal,
Described piezoelectric bimorph 1 (2-2-1) is bent upwards, and piezoelectric bimorph 2 (2-2-2) is bent downwardly, arc driving foot (2-2-4)
Deformation to the right is produced, arc driving foot (2-2-4) and mover (3) contact point are swung to the right；Described (the 2- of piezoelectric bimorph 1
2-1) it is bent downwardly, piezoelectric bimorph 2 (2-2-2) is bent upwards, arc driving foot (2-2-4) produces deformation to the left, arc drives
The contact point of action spot (2-2-4) and mover (3) is swung to the left.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457061.4A CN107124120A (en) | 2017-06-16 | 2017-06-16 | A kind of single butterfly stator piezoelectricity straight line driver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710457061.4A CN107124120A (en) | 2017-06-16 | 2017-06-16 | A kind of single butterfly stator piezoelectricity straight line driver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107124120A true CN107124120A (en) | 2017-09-01 |
Family
ID=59719141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710457061.4A Pending CN107124120A (en) | 2017-06-16 | 2017-06-16 | A kind of single butterfly stator piezoelectricity straight line driver |
Country Status (1)
| Country | Link |
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| CN (1) | CN107124120A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390587A (en) * | 2018-01-31 | 2018-08-10 | 南京航空航天大学 | The double-driving foot door type linear ultrasonic motor and control method of single mode driving |
| CN113938051A (en) * | 2021-09-29 | 2022-01-14 | 东北电力大学 | Two-parallel bending vibrator composite actuation stepping piezoelectric driver and working method thereof |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05344765A (en) * | 1992-06-11 | 1993-12-24 | Olympus Optical Co Ltd | Piezoelectric motor and driving method therefor |
| CN101162875A (en) * | 2007-09-13 | 2008-04-16 | 上海大学 | Slender diameter piston type piezoelectric straight line motor |
| CN101178060A (en) * | 2007-12-07 | 2008-05-14 | 吉林大学 | Single-cavity double-oscillator piezoelectric pump |
| CN106849743A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | Stick-slip linear actuator based on piezoelectric fabric |
| CN206992987U (en) * | 2017-06-16 | 2018-02-09 | 吉林大学 | A kind of single butterfly stator piezoelectricity straight line driver |
-
2017
- 2017-06-16 CN CN201710457061.4A patent/CN107124120A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05344765A (en) * | 1992-06-11 | 1993-12-24 | Olympus Optical Co Ltd | Piezoelectric motor and driving method therefor |
| CN101162875A (en) * | 2007-09-13 | 2008-04-16 | 上海大学 | Slender diameter piston type piezoelectric straight line motor |
| CN101178060A (en) * | 2007-12-07 | 2008-05-14 | 吉林大学 | Single-cavity double-oscillator piezoelectric pump |
| CN106849743A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | Stick-slip linear actuator based on piezoelectric fabric |
| CN206992987U (en) * | 2017-06-16 | 2018-02-09 | 吉林大学 | A kind of single butterfly stator piezoelectricity straight line driver |
Non-Patent Citations (2)
| Title |
|---|
| 张宏壮;程光明;华顺明;曾平;杨志刚;: "压电双晶片型惯性冲击式直线精密驱动器研究" * |
| 范尊强;刘建芳;阚君武;杨志刚;李建桥;: "压电叠堆泵驱动的精密步进驱动电机" * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108390587A (en) * | 2018-01-31 | 2018-08-10 | 南京航空航天大学 | The double-driving foot door type linear ultrasonic motor and control method of single mode driving |
| CN113938051A (en) * | 2021-09-29 | 2022-01-14 | 东北电力大学 | Two-parallel bending vibrator composite actuation stepping piezoelectric driver and working method thereof |
| CN113938051B (en) * | 2021-09-29 | 2023-09-29 | 东北电力大学 | Two-parallel bending vibrator compound actuation stepping piezoelectric driver and working method thereof |
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Application publication date: 20170901 |