CN105553328A - Piezoelectric vibrating peristaltic motor - Google Patents
Piezoelectric vibrating peristaltic motor Download PDFInfo
- Publication number
- CN105553328A CN105553328A CN201610073951.0A CN201610073951A CN105553328A CN 105553328 A CN105553328 A CN 105553328A CN 201610073951 A CN201610073951 A CN 201610073951A CN 105553328 A CN105553328 A CN 105553328A
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- China
- Prior art keywords
- rotor
- piezoelectric vibrator
- piezoelectric
- stator
- vibrator
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- 230000002572 peristaltic effect Effects 0.000 title abstract 3
- 239000000463 material Substances 0.000 claims abstract description 6
- 241000256247 Spodoptera exigua Species 0.000 claims description 9
- 238000000034 method Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 5
- 239000000758 substrate Substances 0.000 abstract 2
- 238000005516 engineering process Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 125000004122 cyclic group Chemical group 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000007514 turning Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004377 microelectronic Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 229910001285 shape-memory alloy Inorganic materials 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
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/101—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors using intermittent driving, e.g. step motors
-
- 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
- H02N2/10—Electric machines in general using piezoelectric effect, electrostriction or magnetostriction producing rotary motion, e.g. rotary motors
- H02N2/12—Constructional details
Abstract
The invention relates to a piezoelectric vibrating peristaltic motor, which comprises a rotor, a stator and a piezoelectric vibrator, wherein the rotor is in an annular sheet structure; a rotor positioning hole is formed in the center; the piezoelectric vibrator comprises an elastic substrate and a piezoelectric sheet material; the piezoelectric sheet material is pasted to the upper surface and the lower surface of the elastic substrate; the piezoelectric vibrator is arranged on the lower surface of the rotor; the piezoelectric vibrator and the rotor form a certain angle, but the piezoelectric vibrator is not vertical to the rotor; the stator comprises a stator disc and a center shaft; the center shaft is vertical to the stator disc; the rotor positioning hole on the rotor and the center shaft on the stator form a rotation pair; the stator disc is placed on a working plane; the piezoelectric vibrator exerts an AC voltage for reciprocating bending deformation; and the piezoelectric vibrator enables the rotor to rotate by a horizontal component of counter-acting force generated by the stator disc in the bending vibration process. The piezoelectric vibrating peristaltic motor has the advantages of being simple in structure, high in tolerance and the like.
Description
Technical field
The invention belongs to Piezoelectric Driving field, be specifically related to a kind of piezoelectric vibration formula inchworm motor.
Background technology
In recent years, along with the fast development of nanometer technique, all simple in the urgent need to structure in the research of the technical fields such as optical engineering, micro-electronic manufacturing, aeronautical and space technology, ultraprecise machine-building, biomedicine, tolerance strong, the driver of high power density.Traditional stepping motor power per weight ratio is low, and motor run up after need deceleration device speed change, cause drive system complicated.Obviously, prior art can not meet the growth requirement less to driver requirement size, energy density is higher.
Along with the development of science and technology, people develop the New-type electric machine utilizing functional material to form and drive to realize ultraprecise, this research has in recent years achieved a series of achievement, as memory alloy actuator, piezoelectric effect motor, electrostriction motor and magnetostrictive motor etc.Wherein, due to piezoelectric (PZT) there is good linearity, control convenient, power density is large, displacement resolution is high, frequency response is good, do not generate heat, without advantages such as electromagnetic interference, therefore piezo-electric type precision actuation technology has become domestic and international primary study direction.But existing piezoelectric motor configuration is comparatively complicated, and requirement on machining accuracy is higher, processing cost is also higher, seriously limits its application in production reality, therefore designs the microminiature piezo-electric motor that a kind of structure is simple, tolerance is strong very important.
Summary of the invention
In order to solve the technical problem that revolution driver occurs in microminaturization process, as little in traditional stepping motor power density, complex structure, and the technical problems such as existing piezoelectric motor configuration is complicated, tolerance difference, propose a kind of piezoelectric vibration formula inchworm motor, this driver is made up of rotor, piezoelectric vibrator that stator is identical with eight, described piezoelectric vibrator applies the distortion of alternating voltage generation cyclic bending, and the horizontal direction component that piezoelectric vibrator is subject to the reaction force that stator disk produces in flexural vibrations process makes rotor rotate.The present invention, compared with existing piezo-electric motor, has structure simple, the advantages such as tolerance is strong; Compared with traditional stepping motor, the present invention has that structure is simple, heating less, without advantages such as Electromagnetic Interference.
To achieve these goals, the present invention is by the following technical solutions:
A kind of piezoelectric vibration formula of the present invention inchworm motor, comprising: the piezoelectric vibrator that rotor, stator are identical with eight, wherein: described rotor is annular slice structure, its center is furnished with a rotor fixed position hole; Described piezoelectric vibrator is made up of elastic base plate and the piezoelectric sheet material being pasted onto its upper and lower surface; Described piezoelectric vibrator is arranged in the lower surface of described rotor, the angled but out of plumb with rotor; The Width of described piezoelectric vibrator is consistent with the diametric(al) of described rotor, its objective is and produces maximum turning moment; Described eight piezoelectric vibrators are arranged in the lower surface at described rotor in the mode of circumference array; Described stator is made up of stator disk and perpendicular central shaft; Central shaft on described epitrochanterian rotor fixed position hole and described stator forms revolute pair; The free end of described piezoelectric vibrator contacts with described stator disk.
The lower surface arrangement of described rotor has eight identical piezoelectric vibrators, or is furnished with M identical piezoelectric vibrator, and wherein M is more than or equal to 1.
During work, described stator disk is fixed, multiple described piezoelectric vibrator applies identical alternating voltage makes it that cyclic bending distortion occur, in double vibrations process, because piezoelectric vibrator is in tilted layout, its horizontal direction component being subject to the reaction force that described stator disk produces makes rotor produce a turning moment, and rotor driven rotates, Driving Torque and corner.
Accompanying drawing explanation
Fig. 1 is a kind of piezoelectric vibration formula of the present invention inchworm motor structural representation.
Fig. 2 is component and the relation of the installation schematic diagram of a kind of piezoelectric vibration formula of the present invention inchworm motor.
Embodiment
See figures.1.and.2, a kind of piezoelectric vibration of the present invention formula inchworm motor is made up of rotor 1, piezoelectric vibrator 3 that stator 2 is identical with eight, wherein:
Described rotor 1 is annular slice structure, and its center is furnished with a rotor fixed position hole 11; Described piezoelectric vibrator 3 is made up of elastic base plate 31 and the piezoelectric sheet material 32 being pasted onto its upper and lower surface; Described piezoelectric vibrator 3 is arranged in the lower surface of described rotor 1, the angled but out of plumb with rotor 1; The Width of described piezoelectric vibrator 3 is consistent with the diametric(al) of described rotor 1; Described eight piezoelectric vibrators 3 are arranged in the lower surface at described rotor 1 in the mode of circumference array; Described stator 2 is made up of stator disk 21 and perpendicular central shaft 22; Rotor fixed position hole 11 on described rotor 1 forms revolute pair with the central shaft 22 on described stator 2; The free end of described piezoelectric vibrator 3 contacts with described stator disk 21.
During work, fixed by described stator disk 21, described piezoelectric vibrator 3 applies alternating voltage and make it that cyclic bending distortion occur, the horizontal direction component rotor driven 1 that piezoelectric vibrator 3 is subject to the reaction force that stator disk 21 produces in flexural vibrations process rotates.
Claims (2)
1. a piezoelectric vibration formula inchworm motor, comprise: the piezoelectric vibrator (3) that rotor (1), stator (2) are identical with eight, it is characterized in that the angled but out of plumb of described piezoelectric vibrator (3) and rotor (1), wherein: described rotor (1) is annular slice structure, its center is furnished with a rotor fixed position hole (11); Described piezoelectric vibrator (3) is made up of elastic base plate (31) and the piezoelectric sheet material (32) that is pasted onto its upper and lower surface; Described piezoelectric vibrator (3) is arranged in the lower surface of described rotor (1), the angled but out of plumb with rotor (1); The Width of described piezoelectric vibrator (3) is consistent with the diametric(al) of described rotor (1); Described eight piezoelectric vibrators (3) are arranged in the lower surface in described rotor (1) in the mode of circumference array; Described stator (2) is made up of stator disk (21) and perpendicular central shaft (22); Rotor fixed position hole (11) on described rotor (1) forms revolute pair with the central shaft (22) on described stator (2); The free end of described piezoelectric vibrator (3) contacts with described stator disk (21).
2. a kind of piezoelectric vibration formula inchworm motor according to claim 1, it is characterized in that: the lower surface arrangement of described rotor (1) has eight identical piezoelectric vibrators (3), or be furnished with the individual identical piezoelectric vibrator (3) of M, wherein M is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073951.0A CN105553328A (en) | 2016-02-02 | 2016-02-02 | Piezoelectric vibrating peristaltic motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610073951.0A CN105553328A (en) | 2016-02-02 | 2016-02-02 | Piezoelectric vibrating peristaltic motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105553328A true CN105553328A (en) | 2016-05-04 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610073951.0A Pending CN105553328A (en) | 2016-02-02 | 2016-02-02 | Piezoelectric vibrating peristaltic motor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105553328A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110022089A (en) * | 2019-05-09 | 2019-07-16 | 山东理工大学 | A kind of sandwich magnetic repulsion rotating electric machine based on piezoelectric ceramics |
| CN111245290A (en) * | 2020-01-20 | 2020-06-05 | 哈尔滨工业大学 | Single-degree-of-freedom piezoelectric turntable and excitation method thereof |
Citations (12)
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|---|---|---|---|---|
| JPH04101679A (en) * | 1990-08-20 | 1992-04-03 | Nec Corp | Piezoelectric motor |
| JP2652546B2 (en) * | 1987-03-24 | 1997-09-10 | 日本特殊陶業株式会社 | Ultrasonic motor |
| JPH1141956A (en) * | 1997-07-22 | 1999-02-12 | Asmo Co Ltd | Stator and vibration plate of ultrasonic motor, and ultrasonic motor |
| US5942838A (en) * | 1997-08-19 | 1999-08-24 | The Hong Kong University Of Science & Technology | Rotary motor driven by a piezoelectric composite laminate |
| JP2005124280A (en) * | 2003-10-15 | 2005-05-12 | Seiko Instruments Inc | Piezoelectric actuator and electronic apparatus using the same |
| CN2826820Y (en) * | 2005-08-23 | 2006-10-11 | 浙江大学 | Standing wave type ultrasonic motor |
| CN101777853A (en) * | 2010-01-12 | 2010-07-14 | 南京航空航天大学 | d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor |
| CN101795088A (en) * | 2010-03-23 | 2010-08-04 | 清华大学 | Multi-leg linear piezoelectric driver and workbench |
| JP2011004512A (en) * | 2009-06-18 | 2011-01-06 | Nikon Corp | Drive unit, lens barrel and camera |
| WO2011058889A1 (en) * | 2009-11-10 | 2011-05-19 | コニカミノルタオプト株式会社 | Attitude controller |
| JP2013150446A (en) * | 2012-01-19 | 2013-08-01 | Nikon Corp | Drive unit, lens barrel and camera |
| CN205545000U (en) * | 2016-02-02 | 2016-08-31 | 吉林大学 | Piezoelectricity vibrating wriggling motor |
-
2016
- 2016-02-02 CN CN201610073951.0A patent/CN105553328A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2652546B2 (en) * | 1987-03-24 | 1997-09-10 | 日本特殊陶業株式会社 | Ultrasonic motor |
| JPH04101679A (en) * | 1990-08-20 | 1992-04-03 | Nec Corp | Piezoelectric motor |
| JPH1141956A (en) * | 1997-07-22 | 1999-02-12 | Asmo Co Ltd | Stator and vibration plate of ultrasonic motor, and ultrasonic motor |
| US5942838A (en) * | 1997-08-19 | 1999-08-24 | The Hong Kong University Of Science & Technology | Rotary motor driven by a piezoelectric composite laminate |
| JP2005124280A (en) * | 2003-10-15 | 2005-05-12 | Seiko Instruments Inc | Piezoelectric actuator and electronic apparatus using the same |
| CN2826820Y (en) * | 2005-08-23 | 2006-10-11 | 浙江大学 | Standing wave type ultrasonic motor |
| JP2011004512A (en) * | 2009-06-18 | 2011-01-06 | Nikon Corp | Drive unit, lens barrel and camera |
| WO2011058889A1 (en) * | 2009-11-10 | 2011-05-19 | コニカミノルタオプト株式会社 | Attitude controller |
| CN101777853A (en) * | 2010-01-12 | 2010-07-14 | 南京航空航天大学 | d31-effect based unidirectional chip longitudinal-torsional compound ultrasonic motor |
| CN101795088A (en) * | 2010-03-23 | 2010-08-04 | 清华大学 | Multi-leg linear piezoelectric driver and workbench |
| JP2013150446A (en) * | 2012-01-19 | 2013-08-01 | Nikon Corp | Drive unit, lens barrel and camera |
| CN205545000U (en) * | 2016-02-02 | 2016-08-31 | 吉林大学 | Piezoelectricity vibrating wriggling motor |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110022089A (en) * | 2019-05-09 | 2019-07-16 | 山东理工大学 | A kind of sandwich magnetic repulsion rotating electric machine based on piezoelectric ceramics |
| CN111245290A (en) * | 2020-01-20 | 2020-06-05 | 哈尔滨工业大学 | Single-degree-of-freedom piezoelectric turntable and excitation method thereof |
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Application publication date: 20160504 |
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