Two-stroke compact type piezoelectric linear motor
A linear motor, compact technology, applied in the direction of piezoelectric effect/electrostrictive or magnetostrictive motor, generator/motor, electrical components, etc., can solve the problem of large motor size, low energy density, lack of problem, to achieve the effect of improving electromechanical conversion efficiency, improving linear motion accuracy, and high effective utilization rate
- Summary
- Abstract
- Description
- Claims
- Application Information
AI Technical Summary
Problems solved by technology
Method used
Image
Examples
Embodiment 1
[0024] Embodiment one: see figure 1 , the two-stroke compact piezoelectric linear motor includes a stator and a mover, and the stator is composed of an upper elastic block 1, a lower elastic block 5, a first group of piezoelectric actuators 4, and a second group of piezoelectric actuators 6 and fastening screws 12; wherein the first group of piezoelectric actuators 4 is clamped between the upper elastic block 1 and the lower elastic block 5, and clamped evenly with the fastening screws 12, the second group of piezoelectric actuators 6 is firmly pasted on two opposite sides 11 of the lower elastic block 5; the mover is a linear guide rail 9, and its lower part is supported by two parallel guide wheels 10; the lower elastic block 5 of the stator has The tooth-shaped protrusion 8 is in conflict with the top surface of the linear guide rail 9, and the pre-pressure acts on the midpoint 3 below the upper elastic block 1, so that the mover and the stator are kept vertically compresse...
Embodiment 2
[0025] Embodiment 2: This embodiment is basically the same as Embodiment 1, and the special features are as follows: the lower elastic block 5 is made of a material with a smaller acoustic impedance, and the upper elastic block 1 is made of a material with a larger acoustic impedance Made, that is, the material acoustic impedance of the upper elastic block 1 is greater than the material acoustic impedance of the lower elastic block 5 . The stator has a completely symmetrical structure along the left-right direction and the front-rear direction, with four protrusions 2 on the upper part of the upper elastic block 1 and two protruding feet 7 on the lower part of the lower elastic block 5 . The material of the upper elastic block 1 is steel, and the material of the lower elastic block 5 is aluminum. Both the first group and the second group of piezoelectric actuators 4, 6 are piezoelectric ceramic sheets whose upper and lower surfaces are evenly coated with silver electrodes and ...
Embodiment 3
[0028] Embodiment 3: This embodiment is basically the same as Embodiment 2, and the special feature is that the overall dimensions of the motor stator are 20.2mm×15.6mm×12.0mm. The mover is a straight steel linear guide rail with a smooth working surface with a cross-sectional size of 12mm×6mm. Preload is applied at the node position of the motor stator vibration, so that the driving foot end surface of the aforementioned mover is in contact with the smooth working surface of the guide rail. and press tight.
[0029] The stator of the motor is a completely symmetrical structure along the left-right direction and the front-rear direction, and constitutes an integral composite elastic body. The longitudinal vibration modes of the two lower convex structures of the elastic body are mutually antiphase. The first working mode, the lateral deflection vibration mode of the two driving feet of the elastic body which are opposite to each other is the second working mode. Using finite ...
PUM
Abstract
Description
Claims
Application Information
- R&D Engineer
- R&D Manager
- IP Professional
- Industry Leading Data Capabilities
- Powerful AI technology
- Patent DNA Extraction
Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic, Popular Technical Reports.
© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap|About US| Contact US: help@patsnap.com