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Magnet adsorption type sensor device

A sensor device and magnet adsorption technology, applied in the direction of measuring devices, using electric/magnetic devices to transmit sensing components, instruments, etc., can solve the problems of non-reusable use and waste of sensors, and achieve simple implementation, convenient installation, and cost reduction Effect

Pending Publication Date: 2020-05-08
JIANGSU SANCHUANG INTELLIGENT TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the traditional paste-type piezoelectric sensor needs to use adhesive to couple the sensor and the metal structure to be detected, which cannot be reused, resulting in the waste of the sensor

Method used

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  • Magnet adsorption type sensor device
  • Magnet adsorption type sensor device
  • Magnet adsorption type sensor device

Examples

Experimental program
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Effect test

Embodiment

[0027] Embodiment: a kind of magnetic adsorption type sensor device, such as Figures 1 to 3 As shown, the sensor device includes a sensor 1 and a permanent magnet 2, the sensor is fixedly connected to the permanent magnet, and the permanent magnet is detachably connected to the metal structure to be detected;

[0028] The detachable connection between the sensor device and the metal structure to be detected is realized by being adsorbed to the metal structure to be detected by the adsorption force of the permanent magnet.

[0029] The sensor 1 includes an upper substrate 11, a piezoelectric element 12 and a lower substrate 13, the piezoelectric element is located between the upper substrate and the lower substrate, the upper substrate, the piezoelectric The element and the lower substrate are sequentially connected to form the sensor.

[0030] The side close to the piezoelectric element is defined as the inner side, and the inner side of the upper substrate 11 and / or the low...

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Abstract

The invention discloses a magnet adsorption type sensor device which comprises a sensor and a permanent magnet, the sensor is fixedly connected with the permanent magnet, and the permanent magnet is detachably connected with a metal structure to be detected. And the sensor device is adsorbed to the to-be-detected metal structure through the adsorption force of the permanent magnet so as to realizedetachable connection between the sensor device and the to-be-detected metal structure. The sensor device is detachably connected with the to-be-detected metal structure in a magnet adsorption mode,so that the sensor device is repeatedly used, the cost is reduced, and the sensor device is mainly used for health monitoring of the metal structure in a mechanical mechanism.

Description

technical field [0001] The invention relates to the technical field of civil engineering sensors, in particular to a sensor device for testing metal structures. Background technique [0002] In recent years, with the continuous deepening of the research on piezoelectric ceramic smart materials, its application in civil and water engineering has become increasingly widespread, especially in the application of structural damage identification and health monitoring technology, which has achieved fruitful results. [0003] For example, piezoelectric-based sensors are widely used in structural health detection in mechanical engineering, such as bolt loose detection, crack damage detection. However, the traditional paste-type piezoelectric sensor needs to use adhesive to couple the sensor and the metal structure to be detected, which cannot be reused, resulting in the waste of the sensor. [0004] In order to overcome the above defects, those skilled in the art actively conduct i...

Claims

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Application Information

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IPC IPC(8): G01D5/14G01D11/30
CPCG01D5/14G01D11/30
Inventor 袁晓龙张俊
Owner JIANGSU SANCHUANG INTELLIGENT TECH CO LTD
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