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SMD type I-shaped quadruped linear ultrasonic motor vibrator

A technology of linear ultrasonic motor and SMD technology, which is applied in the direction of generators/motors, piezoelectric effect/electrostrictive or magnetostrictive motors, electrical components, etc., and can solve difficult miniaturization, processing and assembly precision requirements Harsh, complex configuration and other issues, to achieve the effect of improving consistency, simplifying processing and assembly process, and flexible design

Active Publication Date: 2014-10-08
HARBIN INST OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In order to solve the problems of coupled vibration, complex configuration, difficulty in miniaturization, and strict requirements on processing and assembly precision existing in the existing rectangular quadruped linear ultrasonic motor vibrator, the present invention provides a patch type I-shaped quadruped Foot Linear Ultrasonic Motor Vibrator

Method used

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  • SMD type I-shaped quadruped linear ultrasonic motor vibrator
  • SMD type I-shaped quadruped linear ultrasonic motor vibrator
  • SMD type I-shaped quadruped linear ultrasonic motor vibrator

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specific Embodiment approach 1

[0011] Specific implementation mode 1. Combination Figure 1 to Figure 3 Describe this embodiment, the chip-type I-shaped quadruped linear ultrasonic motor vibrator described in this embodiment includes an I-shaped metal substrate 1 and a piezoelectric ceramic sheet 2; the I-shaped metal substrate 1 includes two horizontal beams 1 -1, one vertical beam 1-2, six horns 1-3, two thin-walled beams 1-4 and two mounting bases 1-5, the horizontal beam 1-1 and the vertical beam 1-2 are It is a quadrangular prism with a rectangular cross-section, and each horn 1-3 is a quadrangular prism with a rectangular cross-section that gradually becomes thinner, and each of the two end faces of the vertical beam 1-2 is provided with a horn 1-3, and the combined end face of the vertical beam 1-2 and each horn 1-3 is the large end face of the horn 1-3, and the two end faces of each horizontal beam 1-1 are A horn 1-3 is provided, and the end face of the horizontal beam 1-1 combined with each horn 1...

specific Embodiment approach 2

[0012] Embodiment 2. The difference between this embodiment and the patch-type I-shaped quadruped linear ultrasonic motor vibrator described in Embodiment 1 is that the outer side wall, upper side wall and lower side wall of each horizontal beam 1-1 A piece of piezoelectric ceramic sheet 2 is arranged in the center, and two piezoelectric ceramic sheets 2 are arranged on the side wall of each horizontal beam 1-1 connected with the horn 1-3, and the two piezoelectric ceramic sheets The sheet 2 is symmetrically located on the left and right sides of the connection between the horizontal beam 1-1 and the horn 1-3, and a piezoelectric ceramic sheet 2 is centrally arranged on the upper side wall and the lower side wall of the vertical beam 1-2. , the inner and outer walls of the vertical beam 1-5 are provided with two piezoelectric ceramic sheets 2, and the two piezoelectric ceramic sheets 2 are symmetrically arranged on both sides of the thin-walled beam 1-4 on the side wall.

[00...

specific Embodiment approach 3

[0015] Embodiment 3. The difference between this embodiment and the patch-type I-shaped quadruped linear ultrasonic motor vibrator described in Embodiment 1 is that the I-shaped metal base 1 is integrated, which can simplify the processing and assembly process and ensure Precision.

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Abstract

The invention relates to a surface mount type I-shaped four-footed linear ultrasonic motor vibrator, belonging to the technical field of piezoelectric ultrasonic motors. The surface mount type I-shaped four-footed linear ultrasonic motor vibrator provided by the invention eliminates various adverse impacts caused by coupling bending vibration in the traditional rectangular four-footed linear ultrasonic motor vibrator. Two end faces of a vertical beam of the vibrator are respectively provided with an amplitude transformer, binding site of the two amplitude transformers is a big end face of the amplitude transformer, the two end faces of a horizontal beam are respectively provided with one amplitude transformer, the binging site of the two amplitude transformers is the big end face of the amplitude transformer, the vertical beam is respectively fixedly connected with middle position of inner side walls of the two horizontal beams by virtue of small end faces of the two amplitude transformers of the two end faces of the vertical beam; the outer side wall, the upper side wall and the lower side wall of each horizontal beam are respectively provided with one piezoelectric ceramic wafer, one piezoelectric ceramic wafer is respectively arranged at the two sides of the amplitude transformer on the inner side wall of each horizontal beam, the upper side wall and the lower side wall of the vertical beam are respectively provided with one piezoelectric ceramic wafer, and the inner side wall and the outer side wall of the vertical beam are symmetrically provided with two piezoelectric ceramic wafers at the two sides of a thin walled beam. The surface mount type I-shaped four-footed linear ultrasonic motor vibrator provided by the invention can be applied to the field of manufacturing of ultrasonic motors.

Description

technical field [0001] The invention relates to a patch type I-shaped quadruped linear ultrasonic motor vibrator, which belongs to the technical field of piezoelectric ultrasonic motors. Background technique [0002] Piezoelectric ultrasonic motor is a kind of piezoelectric ultrasonic motor that uses the inverse piezoelectric effect of piezoelectric ceramics to excite vibration in the ultrasonic frequency range in the elastic body, and forms a particle motion with a specific trajectory at a specific point or area on the surface of the elastic body, and then passes through the stator, The frictional coupling between the rotors converts the microscopic motion of the particle into the macroscopic motion of the rotor. It has the advantages of low speed and high torque, no need for a transmission mechanism, no electromagnetic interference, fast response, and self-locking when power is off. As a piezoelectric driver, it has Very wide range of applications. [0003] The publicatio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02N2/04
Inventor 刘英想陈维山冯培连刘军考石胜君
Owner HARBIN INST OF TECH
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