CN205545000U - Piezoelectricity vibrating wriggling motor - Google Patents
Piezoelectricity vibrating wriggling motor Download PDFInfo
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- CN205545000U CN205545000U CN201620106592.XU CN201620106592U CN205545000U CN 205545000 U CN205545000 U CN 205545000U CN 201620106592 U CN201620106592 U CN 201620106592U CN 205545000 U CN205545000 U CN 205545000U
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- rotor
- piezoelectric vibrator
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- piezoelectric
- motor
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Abstract
The utility model relates to a piezoelectricity vibrating wriggling motor, include: rotor, stator and piezoelectric vibrator, wherein: the rotor is the annular plate shape structure, and a rotor locating hole has been arranged at the center, piezoelectric vibrator by the elastic medium board with paste above that the piezoelectricity sheeting of lower surface and constitute, piezoelectric vibrator arranges and becomes certain angle but the out of plumb with the rotor by the lower surface at the rotor, the stator by the stator disc and with it looks vertically center pin constitute, rotor locating hole on the rotor with center pin on the stator constitutes the revolute pair, will the stator disc is placed on the plane of working, piezoelectric vibrator applys alternating voltage and takes place the cyclic bending deformation, and piezoelectric vibrator makes the rotor rotatory at the horizontal component that the flexural vibrations in -process received the reaction force of stator disc production. The device has simple structure, tolerance nature advantage such as strong.
Description
Technical field
This utility model belongs to Piezoelectric Driving field, is specifically related to a kind of piezoelectric vibration formula inchworm motor.
Background technology
In recent years, along with the fast development of nanometer technique, in optical engineering, micro-electronic manufacturing, aviation boat
The research of the technical fields such as it technology, ultraprecise machine-building, biomedicine all in the urgent need to simple in construction,
Tolerance is strong, the driver of high power density.Traditional motor power per weight ratio is low, and motor is high
Need deceleration device speed change after speed operating, cause drive system complicated.Obviously, prior art can not meet
Driver is required smaller, the higher growth requirement of energy density.
Along with the development of science and technology, people develop the New-type electric machine utilizing functional material to constitute to realize ultraprecise
Driving, this research is achieved with a series of achievement in recent years, as memory alloy actuator, piezoelectric effect motor,
Electrostriction motor and magnetostrictive motor etc..Wherein, due to piezoelectric (PZT), there is good linearity, control
System is convenient, power density is big, displacement resolution is high, frequency response is good, do not generate heat, excellent without electromagnetic interference etc.
Point, therefore piezo-electric type precision actuation technology has become domestic and international primary study direction.But, existing piezoelectricity
Motor configuration is complex, and requirement on machining accuracy is higher, and processing cost is the highest, seriously limits it and is giving birth to
Produce the application in reality, therefore design the strong microminiature piezo-electric motor of a kind of simple in construction, tolerance the most very
Important.
Utility model content
In order to solve to turn round the technical problem that driver occurs during microminaturization, such as tradition motor
Power density is little, structure is complicated, and the technical problems such as existing piezoelectric motor configuration is complicated, tolerance difference, carry
Having gone out a kind of piezoelectric vibration formula inchworm motor, this driver is by rotor, stator and eight identical piezoelectric vibrators
Constituting, described piezoelectric vibrator applies the deformation of alternating voltage generation cyclic bending, and piezoelectric vibrator is in bending vibration mistake
The horizontal direction component of the counteracting force produced by stator disk in journey makes rotor rotate.This utility model with
The advantages such as existing piezo-electric motor is compared, and has simple in construction, and tolerance is strong；Compared with traditional motor,
This utility model has simple in construction, generates heat less, without advantages such as Electromagnetic Interference.
To achieve these goals, this utility model is by the following technical solutions:
This utility model one piezoelectric vibration formula inchworm motor, including: rotor, stator and eight identical pressures
Electric tachometer indicator, wherein: described rotor is annular slice structure, its center is disposed 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
It is arranged in the lower surface of described rotor, but out of plumb angled with rotor；The width of described piezoelectric vibrator
Direction is consistent with the diametric(al) of described rotor, its objective is to produce maximum turning moment；Described eight pressures
Electric tachometer indicator is arranged in the lower surface at described rotor in the way of circumference array；Described stator by stator disk and
Perpendicular central shaft composition；Rotor fixed position hole on described rotor and the central shaft structure on described stator
Become 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 disposed with M identical piezoelectricity
Oscillator, wherein M is more than or equal to 1.
During work, described stator disk is fixed, multiple described piezoelectric vibrators apply identical alternating current
Pressure brings it about cyclic bending deformation, and during of reciprocating vibration, owing to piezoelectric vibrator is in tilted layout, it is subject to
The horizontal direction component of the counteracting force produced to described stator disk makes rotor produce a turning moment, band
Dynamic rotor rotates, output torque and corner.
Accompanying drawing explanation
Fig. 1 is this utility model one piezoelectric vibration formula inchworm motor structural representation.
Fig. 2 is the component of this utility model a kind of piezoelectric vibration formula inchworm motor and installs relation schematic diagram.
Detailed description of the invention
Seeing figures.1.and.2, this utility model one piezoelectric vibration formula inchworm motor is by rotor 1, stator 2 and
Eight identical piezoelectric vibrators 3 are constituted, wherein:
Described rotor 1 is annular slice structure, and its center is disposed with a rotor fixed position hole 11；Described piezoelectricity shakes
Son 3 is made up of elastic base plate 31 and the piezoelectric sheet material 32 being pasted onto its upper and lower surface；Described piezoelectricity shakes
The lower surfaces that son 3 is arranged in described rotor 1, but out of plumb angled with rotor 1；Described piezoelectricity shakes
The width of son 3 is consistent with the diametric(al) of described rotor 1；Described eight piezoelectric vibrators 3 are with Circle-Array
The mode of row is arranged in the lower surface at described rotor 1；Described stator 2 by stator disk 21 with hang down mutually
Straight central shaft 22 forms；Rotor fixed position hole 11 on described rotor 1 and the central shaft on described stator 2
22 constitute revolute pair；The free end of described piezoelectric vibrator 3 contacts with described stator disk 21.
During work, described stator disk 21 is fixed, described piezoelectric vibrator 3 applies alternating voltage and makes it
Raw cyclic bending deformation, the retroaction that piezoelectric vibrator 3 is produced by stator disk 21 during bending vibration
The horizontal direction component rotor driven 1 of power rotates.
Claims (2)
1. a piezoelectric vibration formula inchworm motor, including: the piezoelectric vibrator (3) that rotor (1), stator (2) are identical with eight, it is characterized in that described piezoelectric vibrator (3) and rotor (1) be angled but out of plumb, wherein: described rotor (1) is annular slice structure, its center is disposed with a rotor fixed position hole (11)；Described piezoelectric vibrator (3) is by elastic base plate (31) and is pasted onto the piezoelectric sheet material (32) of its upper and lower surface and forms；Described piezoelectric vibrator (3) is arranged in the lower surface of described rotor (1), but out of plumb angled 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 of described rotor (1) in the way 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) constitutes 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).
A kind of piezoelectric vibration formula inchworm motor the most according to claim 1, it is characterized in that: the lower surface arrangement of described rotor (1) has eight identical piezoelectric vibrators (3), or it is disposed with M identical piezoelectric vibrator (3), wherein M is more than or equal to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106592.XU CN205545000U (en) | 2016-02-02 | 2016-02-02 | Piezoelectricity vibrating wriggling motor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620106592.XU CN205545000U (en) | 2016-02-02 | 2016-02-02 | Piezoelectricity vibrating wriggling motor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205545000U true CN205545000U (en) | 2016-08-31 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620106592.XU Active CN205545000U (en) | 2016-02-02 | 2016-02-02 | Piezoelectricity vibrating wriggling motor |
Country Status (1)
| Country | Link |
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| CN (1) | CN205545000U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553328A (en) * | 2016-02-02 | 2016-05-04 | 吉林大学 | Piezoelectric vibrating peristaltic motor |
| CN106712572A (en) * | 2017-04-01 | 2017-05-24 | 吉林大学 | Piezoelectric fiber-based stick-slip linear actuator |
| CN106849745A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | Stick-slip rotating driver based on piezoelectric fabric |
| CN106877736A (en) * | 2017-04-01 | 2017-06-20 | 吉林大学 | A kind of stick-slip inertial rotation driver based on piezoelectric fabric |
-
2016
- 2016-02-02 CN CN201620106592.XU patent/CN205545000U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105553328A (en) * | 2016-02-02 | 2016-05-04 | 吉林大学 | Piezoelectric vibrating peristaltic motor |
| CN106712572A (en) * | 2017-04-01 | 2017-05-24 | 吉林大学 | Piezoelectric fiber-based stick-slip linear actuator |
| CN106849745A (en) * | 2017-04-01 | 2017-06-13 | 吉林大学 | Stick-slip rotating driver based on piezoelectric fabric |
| CN106877736A (en) * | 2017-04-01 | 2017-06-20 | 吉林大学 | A kind of stick-slip inertial rotation driver based on piezoelectric fabric |
| CN106712572B (en) * | 2017-04-01 | 2019-01-15 | 吉林大学 | A kind of stick-slip linear actuator based on piezoelectric fabric |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |