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Herringbone double-driving foot linear ultrasonic motor

A linear ultrasonic motor, herringbone technology, applied in the direction of generator/motor, piezoelectric effect/electrostrictive or magnetostrictive motor, electrical components, etc., can solve the problems of complex structure, large volume, complex assembly and processing, etc. , to achieve the effect of large output displacement, small overall volume and low processing difficulty

Pending Publication Date: 2017-11-28
XIAMEN CITY UNIV XIAMEN RADIO & TV UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the current linear ultrasonic motors generally have the problems of complex structure, large volume, and complicated assembly and processing.

Method used

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  • Herringbone double-driving foot linear ultrasonic motor
  • Herringbone double-driving foot linear ultrasonic motor
  • Herringbone double-driving foot linear ultrasonic motor

Examples

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Embodiment Construction

[0029] In order to further explain the technical solution of the present invention, the present invention will be described in detail below through specific examples.

[0030] A linear ultrasonic motor driven by a herringbone biped, such as Figure 1-3 As shown, it includes a base 1, a mover 21, a stator 4 and a driving power supply. The mover 21 and the stator 4 are arranged side by side, and the drive power supply can output two independent drive signals.

[0031] For convenience of description, the figure 2 The orientation shown is the reference direction of the present invention.

[0032] The mover 21 is slidably installed on the base 1. Specifically, the left end of the base 1 is horizontally equipped with a mover guide rail 22, and the guide rail of the mover guide 22 faces the right end of the base 1. The mover 21 is installed It is in the mover guide rail 22 and can slide along the mover guide rail 22 . Preferably, the mover guide rail 22 is installed on the base ...

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PUM

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Abstract

The invention discloses a herringbone double-driving foot linear ultrasonic motor. The motor comprises a base stage, a stator, a rotor and a driving power source which is arranged outside the base stage; the stator and the rotor are arranged side by side; the rotor is slidably arranged on the base stage; the stator is composed of a herringbone elastic body and piezoelectric ceramic sheets; one side where the herringbone elastic body forms an included angle is the inner side of the herringbone elastic body, and one side opposite to the inner side is the outer side of the herringbone elastic body; the inner side surface of the herringbone elastic body faces the rotor; the inner side of one arm of the herringbone elastic body and the inner side of the other arm of the herringbone elastic body are both provided with one piezoelectric ceramic sheet; the two piezoelectric ceramic sheets are electrically connected with the corresponding output ends of the driving power source; a sliding mechanism is slidably installed on the base stage; the sliding direction of the sliding mechanism is perpendicular to the sliding direction of the rotor; the herringbone elastic body is mounted on the sliding mechanism; and the base stage is provided with an adjustment mechanism for adjusting the sliding mechanism to make the inner side of the herringbone elastic body to contact with the rotor. Compared with the prior art, the herringbone double-driving foot linear ultrasonic motor of the invention has the advantages of simple structure and large output force.

Description

technical field [0001] The invention relates to a linear ultrasonic motor, in particular to a linear ultrasonic motor driven by herringbone bipeds. Background technique [0002] The ultrasonic motor is a new type of micro motor, and the linear ultrasonic motor is a type of ultrasonic motor. Its working principle is to use the inverse piezoelectric effect of piezoelectric ceramics to excite the ultrasonic vibration (micron level) of the stator, and with the help of the stator and The friction between the movers drives the movers to move in a straight line and directly drives the output of the load, so as to realize the conversion of electrical energy into mechanical energy. However, the current linear ultrasonic motor generally has the problems of complex structure, large volume, and complicated assembly and processing. Contents of the invention [0003] The object of the present invention is to provide a linear ultrasonic motor driven by herringbone bipeds, which has a si...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02N2/02H02N2/04H02N2/06
CPCH02N2/026H02N2/04H02N2/062
Inventor 陈建毅林星陵
Owner XIAMEN CITY UNIV XIAMEN RADIO & TV UNIV
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