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Shearing-type piezoelectric sensor module pre-loading device

A piezoelectric sensor, shear-type technology, applied in the field of sensors, can solve the problems of irrelevant research, low quality, low efficiency, etc., and achieve the effects of controllable process, stability between batches, and low production cost

Active Publication Date: 2018-11-09
XIAMEN NIELL ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, it is necessary to preload the components with preload in the assembly process. The current preload methods or fixtures are mainly for compression piezoelectric sensors, but there are no relevant research and products on the preload methods and devices for shear piezoelectric sensors. , can only be achieved through low-efficiency, low-quality manual operations

Method used

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  • Shearing-type piezoelectric sensor module pre-loading device
  • Shearing-type piezoelectric sensor module pre-loading device
  • Shearing-type piezoelectric sensor module pre-loading device

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Experimental program
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Embodiment Construction

[0027] Such as Figure 1-3 As shown, a shear type piezoelectric sensor assembly pretensioning device disclosed by the present invention includes:

[0028] Base 1, the base 1 is designed as a long strip;

[0029] Power device 2, the power device 2 is arranged on the right end of the base 1, which can provide horizontal pulling force or thrust, the power device 2 can be a cylinder or a hydraulic cylinder, and the output pressure can be controlled by adjusting the air pressure or hydraulic pressure. According to actual needs, its There are also other power mechanisms that can provide thrust and pull;

[0030] Bracket 3, the bracket 3 is fixed on the left end of the base 1, the bracket 3 is composed of a front bracket 31 and a rear bracket 32, both the front bracket and the rear bracket are L-shaped, and the front bracket 31 and the rear bracket 32 ​​are symmetrically arranged on the center line of the base 1 Base 1 front and rear;

[0031] The drive link device 4 is arranged b...

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Abstract

The present invention discloses a shearing-type piezoelectric sensor module pre-loading device. The device comprises a pedestal, a power device, a support, a drive connection rod device, a pressing block with a hole and a workbench; the support is formed by a front support and a rear support; the drive connection rod device is formed by an L-shaped connection rod, a turning arm and a push rod; thepressing block with the hole is installed at the top portion of a vertical rod of the L-shaped connection rod corresponding to the push rod; the workbench is formed by the fixing plate, a flange slide block and a linear guide rail, the flange slide block is fixed on the fixing plate, the linear guide rail can be arranged at the flange slide block through free movement in a horizontal direction, apiezoelectric sensor module to be pre-loaded is arranged on the flange slide block to allow the piezoelectric sensor module to be located between the pressing block with the hole and the push rod. The device is convenient to operate, and simple and practical, can improve the production efficiency and is suitable for assembling production lines of various shearing piezoelectric sensors.

Description

technical field [0001] The invention belongs to the technical field of sensors, in particular to a shear type piezoelectric sensor component pretensioning device. Background technique [0002] Piezoelectric sensors work based on the piezoelectric effect of piezoelectric materials. Due to their high sensitivity, wide operating temperature range, and good stability, they have broad applications in the measurement, monitoring, and monitoring of speed, acceleration, pressure, vibration, and shock. application prospects. [0003] The structure of the current piezoelectric sensor is mainly divided into compression type and shear type. In order to ensure a high sensitivity output, the piezoelectric sensor is often realized by connecting the electrode sheet and multiple piezoelectric elements in parallel, which requires the piezoelectric element , electrodes and masses are in close rigid contact. Therefore, it is necessary to preload the components with preload in the assembly pro...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01D11/00
CPCG01D11/00
Inventor 王海圣郭勇全韩哲翁新全许静玲刘瑞林柯银鸿
Owner XIAMEN NIELL ELECTRONICS
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