CN104506080A - Shear type piezoelectric ceramic motor - Google Patents
Shear type piezoelectric ceramic motor Download PDFInfo
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- CN104506080A CN104506080A CN201510038679.8A CN201510038679A CN104506080A CN 104506080 A CN104506080 A CN 104506080A CN 201510038679 A CN201510038679 A CN 201510038679A CN 104506080 A CN104506080 A CN 104506080A
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Abstract
The invention relates to a piezoelectric ceramic motor, in particular to a shear type piezoelectric ceramic motor. The shear type piezoelectric ceramic motor is used to solve the problems that a mathematic model of an existing ultrasonic motor is difficult to establish accurately, and high accuracy speed and position control is difficult. The piezoelectric ceramic motor comprises a first piezoelectric ceramic group and a second piezoelectric ceramic group which are abreast installed in a clamping mechanism, wherein a motor shaft is vertically inserted into an interval between the first piezoelectric ceramic group and the second piezoelectric ceramic group, the first piezoelectric ceramic group is connected with a positive pole output end of a signal control component through a first guide wire, and connected with a negative pole output end of the signal control component through a second guide wire, and the second piezoelectric ceramic group is connected with the positive pole output end of the signal control component through the first guide wire, and connected with the negative pole output end of the signal control component through the second guide wire. The shear type piezoelectric ceramic motor is used in the electromechanical field.
Description
Technical field
The present invention relates to a kind of piezoelectric ceramic motor, be specifically related to a kind of shearing piezoelectric ceramic motor, belong to electro-mechanical arts.
Background technology
Piezoelectric motor is the class motor driving electric drive axle motion according to the change in piezoelectric shape when a field is applied.Piezoelectric motor utilizes inverse piezoelectric effect, the sound wave of this material generation thus or ultrasonic vibration, to produce linear or rotary motion.Piezo-electric motor can carry out work in high-intensity magnetic field, and its range of application of the Function Extension of this uniqueness, such as in nulcear magnetic resonance (NMR) antenna, it can normally work, and is inoperable based on the conventional motors of electromagnetic field.In rotary piezoelectric electric machine structure, extensive employing be a kind of mode of similar caterpillar movement, carry out successively stretching, unfolding the movement carrying out drive motors axle with position maintenance action in a single plane, the structural research of this conventional ultrasound piezoelectric motor is extensive, but the Mathematical Modeling due to ultrasound electric machine is difficult to accurately set up, and there is very strong non-linear and time variation, make the shortcomings such as high-precision speed, Position Control are very difficult.And be also in the starting stage for the research of shearing piezoelectric motor, because shearing piezoelectric motor is not in resonance condition, the founding mathematical models that can be more prone to, be conducive to speed, the Position Control of carrying out pinpoint accuracy better, and have the advantages such as volume is little, lightweight, flexible structure is changeable.
Summary of the invention
The present invention is that the Mathematical Modeling solving existing ultrasound electric machine is difficult to accurately set up, the speed of pinpoint accuracy, the problem that Position Control is very difficult, and then proposes a kind of shearing piezoelectric ceramic motor.
The present invention is the technical scheme taked that solves the problem: the present invention includes the first piezoelectric ceramic group, second piezoelectric ceramic group, motor shaft, clamp system, signal controlling assembly, two the first wires and two the second wires, first piezoelectric ceramic group, second piezoelectric ceramic group is arranged in described clamp system side by side, motor shaft vertical is inserted between the first piezoelectric ceramic group and the second piezoelectric ceramic group, first piezoelectric ceramic group is connected with the cathode output end of described signal controlling assembly by the first wire, first piezoelectric ceramic group is connected with the cathode output end of described signal controlling assembly by the second wire, second piezoelectric ceramic group is connected with the cathode output end of described signal controlling assembly by the first wire, second piezoelectric ceramic group is connected with the cathode output end of described signal controlling assembly by the second wire.
The invention has the beneficial effects as follows: the present invention is not in resonance condition due to shearing piezoelectric motor, the founding mathematical models that can be more prone to, be conducive to speed, the Position Control of carrying out pinpoint accuracy better, and have the advantages such as volume is little, lightweight, flexible structure is changeable, and can according to requirement of engineering, concrete arrangement arranges its size.
Accompanying drawing explanation
Fig. 1 is installation diagram of the present invention, and Fig. 2 is the structural representation of the first piezoelectric ceramic group, and Fig. 3 is the structural representation of the second piezoelectric ceramic group, and Fig. 4 is the structural representation of clamp system.
Embodiment
Embodiment one: composition graphs 1 illustrates present embodiment, described in present embodiment, a kind of shearing piezoelectric ceramic motor comprises the first piezoelectric ceramic group 1, second piezoelectric ceramic group 2, motor shaft 5, clamp system, signal controlling assembly, two the first wires 3 and two the second wires 4, first piezoelectric ceramic group 1, second piezoelectric ceramic group 2 is arranged in described clamp system side by side, motor shaft 5 is vertically inserted between the first piezoelectric ceramic group 1 and the second piezoelectric ceramic group 2, first piezoelectric ceramic group 1 is connected with the cathode output end of described signal controlling assembly by the first wire 3, first piezoelectric ceramic group 1 is connected with the cathode output end of described signal controlling assembly by the second wire 4, second piezoelectric ceramic group 2 is connected with the cathode output end of described signal controlling assembly by the first wire 3, second piezoelectric ceramic group 2 is connected with the cathode output end of described signal controlling assembly by the second wire 4.
The symmetrical clamping motor axle of piezoelectric ceramic group in present embodiment, driving voltage drives the motion of piezoelectric ceramic group, thus the frictional force between piezoelectric ceramic group and motor shaft is changed, and is rotated forward or backwards by frictional force drives motor shaft.
Clamp system described in present embodiment comprises fixed platform 6, first Slider platform 7, line slideway 8, thrust spring 9, adjustment screw support 10, adjustment screw 11 and the second Slider platform 12, line slideway 8 is horizontally disposed with, fixed platform 6, first Slider platform 7, second Slider platform 12, adjustment screw support 10 is once sleeved on line slideway 8 from left to right, first piezoelectric ceramic group 1, second piezoelectric ceramic group 2, motor shaft 5 is arranged between fixed platform 6 and the first Slider platform 7, thrust spring 9 is arranged between the first Slider platform 7 and the second Slider platform 12, the left end of adjustment screw 11 withstands on the right-hand member end face of the second Slider platform 12 through adjustment screw support 10.Setting like this, by regulating the position of the adjustment screw on adjustment screw support, thus control the position of the second Slider platform, make the first piezoelectric ceramic group in fixed platform and the symmetrical clamping motor axle of the second piezoelectric ceramic group on Slider platform, and can by regulating adjustment screw position, reach clamping motor axle, and control the object of clamping force.
Embodiment two: composition graphs 2 illustrates present embodiment, first piezoelectric ceramic group 1 of a kind of shearing piezoelectric ceramic motor described in present embodiment is by the first piezoelectric ceramic piece 1-1, first wear-resistant ceramic A sheet 1-2, first wear-resistant ceramic B sheet 1-3 superposes composition successively, bonding by conductive glue between described first piezoelectric ceramic piece 1-1 with described first wear-resistant ceramic A sheet 1-2, and one end of the first wire 3 is inserted between described first piezoelectric ceramic piece 1-1 and described first wear-resistant ceramic A sheet 1-2, bonding by conductive glue between described first wear-resistant ceramic A sheet 1-2 with described first wear-resistant ceramic B sheet 1-3, and one end of the second wire 4 is inserted between described first wear-resistant ceramic A sheet 1-2 and described first wear-resistant ceramic B sheet 1-3.Other composition and annexation identical with embodiment one.
Embodiment three: composition graphs 3 illustrates present embodiment, second piezoelectric ceramic group 2 of a kind of shearing piezoelectric ceramic motor described in present embodiment is by the second piezoelectric ceramic piece 2-1, second wear-resistant ceramic A sheet 2-2, second wear-resistant ceramic B sheet 2-3 superposes composition successively, bonding by conductive glue between described second piezoelectric ceramic piece 2-1 with described second wear-resistant ceramic A sheet 2-2, and one end of the first wire 3 is inserted between described second piezoelectric ceramic piece 2-1 and described second wear-resistant ceramic A sheet 2-2, bonding by conductive glue between described second wear-resistant ceramic A sheet 2-2 with described second wear-resistant ceramic B sheet 2-3, and one end of the second wire 4 is inserted between described second wear-resistant ceramic A sheet 2-2 and described second wear-resistant ceramic B sheet 2-3.Other composition and annexation identical with embodiment one.
Embodiment four: composition graphs 1 illustrates present embodiment, described in present embodiment, a kind of signal controlling assembly of shearing piezoelectric ceramic motor is made up of signal generator, waveform amplifier, output circuit, filter circuit and oscilloscope, described signal generator is connected with described waveform amplifier, described output circuit is in parallel with described filter circuit carries out filtering, the cathode output end of output circuit is connected with the other end of the first wire 3, and the cathode output end of described output circuit is connected with the other end of the second wire 4.Other composition and annexation identical with embodiment one.
Operation principle
The two ends of the first piezoelectric ceramic group of the present invention and the second piezoelectric ceramic group are the wear-resistant pottery of two panels, from being called that A holds close to the first wire, from being called that B holds close to the second wire.The A end of the first piezoelectric ceramic group is fixedly connected with the two ends of clamp system respectively with the B end of the second piezoelectric ceramic group, and ensure that the piezoelectric ceramic one in two piezoelectric ceramic groups is identical with the sensing of piezoelectric ceramic two, and move in the horizontal direction after energising, after making two piezoelectric ceramic group energisings, the B end of the first piezoelectric ceramic group and the A end of the second piezoelectric ceramic group move in the opposite direction at horizontal plane.Motor shaft vertical is placed and is clamped by the A end of the B of the first piezoelectric ceramic group and the second piezoelectric ceramic group, and can by clamp system to control the first piezoelectric ceramic group and the second piezoelectric ceramic group to the clamping force of motor shaft, first wire is connected on the cathode output end of signal control device, second wire is connected on the cathode output end of signal control device, the voltage signal exported by control signal control device is reached control two piezoelectric ceramic and then drives two piezoelectric ceramic groups, and finally reaches the object of drive motors axle.
Claims (4)
1. a shearing piezoelectric ceramic motor, it is characterized in that: the shearing piezoelectric ceramic motor of described one comprises the first piezoelectric ceramic group (1), second piezoelectric ceramic group (2), motor shaft (5), clamp system, signal controlling assembly, two the first wires (3) and two the second wires (4), first piezoelectric ceramic group (1), second piezoelectric ceramic group (2) is arranged in described clamp system side by side, motor shaft (5) is vertically inserted between the first piezoelectric ceramic group (1) and the second piezoelectric ceramic group (2), first piezoelectric ceramic group (1) is connected by the cathode output end of the first wire (3) with described signal controlling assembly, first piezoelectric ceramic group (1) is connected by the cathode output end of the second wire (4) with described signal controlling assembly, second piezoelectric ceramic group (2) is connected by the cathode output end of the first wire (3) with described signal controlling assembly, second piezoelectric ceramic group (2) is connected by the cathode output end of the second wire (4) with described signal controlling assembly.
2. a kind of shearing piezoelectric ceramic motor according to claim 1, it is characterized in that: the first piezoelectric ceramic group (1) is by the first piezoelectric ceramic piece (1-1), first wear-resistant ceramic A sheet (1-2), first wear-resistant ceramic B sheet (1-3) superposes composition successively, bonding by conductive glue between described first piezoelectric ceramic piece (1-1) with described first wear-resistant ceramic A sheet (1-2), and one end of the first wire (3) is inserted between described first piezoelectric ceramic piece (1-1) and described first wear-resistant ceramic A sheet (1-2), bonding by conductive glue between described first wear-resistant ceramic A sheet (1-2) with described first wear-resistant ceramic B sheet (1-3), and one end of the second wire (4) is inserted between described first wear-resistant ceramic A sheet (1-2) and described first wear-resistant ceramic B sheet (1-3).
3. a kind of shearing piezoelectric ceramic motor according to claim 1, it is characterized in that: the second piezoelectric ceramic group (2) is by the second piezoelectric ceramic piece (2-1), second wear-resistant ceramic A sheet (2-2), second wear-resistant ceramic B sheet (2-3) superposes composition successively, bonding by conductive glue between described second piezoelectric ceramic piece (2-1) with described second wear-resistant ceramic A sheet (2-2), and one end of the first wire (3) is inserted between described second piezoelectric ceramic piece (2-1) and described second wear-resistant ceramic A sheet (2-2), bonding by conductive glue between described second wear-resistant ceramic A sheet (2-2) with described second wear-resistant ceramic B sheet (2-3), and one end of the second wire (4) is inserted between described second wear-resistant ceramic A sheet (2-2) and described second wear-resistant ceramic B sheet (2-3).
4. a kind of shearing piezoelectric ceramic motor according to claim 1,2 or 3, it is characterized in that: described signal controlling assembly is made up of signal generator, waveform amplifier, output circuit, filter circuit and oscilloscope, described signal generator is connected with described waveform amplifier, described output circuit is in parallel with described filter circuit carries out filtering, the cathode output end of output circuit is connected with the other end of the first wire (3), and the cathode output end of described output circuit is connected with the other end of the second wire (4).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510038679.8A CN104506080B (en) | 2015-01-26 | 2015-01-26 | A kind of shearing piezoelectric ceramic motor |
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| CN201510038679.8A CN104506080B (en) | 2015-01-26 | 2015-01-26 | A kind of shearing piezoelectric ceramic motor |
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| CN104506080A true CN104506080A (en) | 2015-04-08 |
| CN104506080B CN104506080B (en) | 2017-11-03 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849851A (en) * | 2015-05-22 | 2015-08-19 | 哈尔滨工业大学 | Shear-type piezoelectric driving based miniature two-dimensional moving workbench |
| CN112983865A (en) * | 2021-04-02 | 2021-06-18 | 成都汇通西电电子有限公司 | Multilayer full-symmetry bidirectional alternating-current balance driving piezoelectric fan |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000060164A (en) * | 1998-06-02 | 2000-02-25 | Seiko Instruments Inc | Ultrasonic motor and electronic equipment with ultrasonic motor |
| DE102007006400A1 (en) * | 2007-02-05 | 2008-08-07 | Elliptec Resonant Actuator Ag | Piezoelectric drive i.e. piezoelectric motor, has position encoder receiving signal transmitted to another position encoder as soon as geometrical distance between encoders falls below predetermined value |
| CN102355157A (en) * | 2011-10-10 | 2012-02-15 | 哈尔滨工业大学 | Piezoelectric plate-sandwiched rotary linear ultrasonic motor stator |
| US9240542B2 (en) * | 2012-04-24 | 2016-01-19 | Canon Kabushiki Kiasha | Piezoelectric ceramic, piezoelectric element, ultrasonic motor, and dust removing device |
-
2015
- 2015-01-26 CN CN201510038679.8A patent/CN104506080B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000060164A (en) * | 1998-06-02 | 2000-02-25 | Seiko Instruments Inc | Ultrasonic motor and electronic equipment with ultrasonic motor |
| DE102007006400A1 (en) * | 2007-02-05 | 2008-08-07 | Elliptec Resonant Actuator Ag | Piezoelectric drive i.e. piezoelectric motor, has position encoder receiving signal transmitted to another position encoder as soon as geometrical distance between encoders falls below predetermined value |
| CN102355157A (en) * | 2011-10-10 | 2012-02-15 | 哈尔滨工业大学 | Piezoelectric plate-sandwiched rotary linear ultrasonic motor stator |
| US9240542B2 (en) * | 2012-04-24 | 2016-01-19 | Canon Kabushiki Kiasha | Piezoelectric ceramic, piezoelectric element, ultrasonic motor, and dust removing device |
Non-Patent Citations (1)
| Title |
|---|
| 鹿存跃，周铁英，陈宇，付德永: "压电陶瓷剪切模式用于超声电机的研究", 《第十一届中国小电机技术研讨会论文集》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104849851A (en) * | 2015-05-22 | 2015-08-19 | 哈尔滨工业大学 | Shear-type piezoelectric driving based miniature two-dimensional moving workbench |
| CN104849851B (en) * | 2015-05-22 | 2017-11-03 | 哈尔滨工业大学 | A kind of micro two-dimensional mobile work platform based on shearing Piezoelectric Driving |
| CN112983865A (en) * | 2021-04-02 | 2021-06-18 | 成都汇通西电电子有限公司 | Multilayer full-symmetry bidirectional alternating-current balance driving piezoelectric fan |
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| CN104506080B (en) | 2017-11-03 |
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