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Graphene-based multi-physical-quantity detecting sensor and strain sensor

A detection sensor and strain sensor technology, which is applied in the field of graphene-based multi-physical quantity detection sensors and strain sensors, can solve problems such as few researches, and achieve the effects of high sensitivity, space saving, and wide application range

Pending Publication Date: 2018-09-04
SUZHOU UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

There is little research on rationally architecting graphene sensors

Method used

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  • Graphene-based multi-physical-quantity detecting sensor and strain sensor
  • Graphene-based multi-physical-quantity detecting sensor and strain sensor
  • Graphene-based multi-physical-quantity detecting sensor and strain sensor

Examples

Experimental program
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Effect test

Embodiment 1

[0027] A multi-physical quantity detection sensor based on graphene, comprising an insulating substrate 1, a plurality of graphene films 2 are evenly distributed in the circumferential direction of the insulating substrate 1, and electrodes are respectively arranged at both ends of each graphene film 2, and the insulating substrate 1 is closed by a cover 3 , a sealed cavity is formed between the cover body 3 and the insulating base 1, the sealed cavity is filled with gas, the gas is CO or NO, the cover body 3 includes a top 5 and a side portion 7, the cover body 3 The top 5 is made of a material with certain elasticity, the outer surface or inner surface of the top 5 of the cover body 3 is provided with a graphene strain sensor film 4, and the two ends of the graphene strain sensor film 4 are provided with electrodes, so The side portion 7 of the cover body 3 is provided with a graphene temperature sensor film 6 , and electrodes are provided at both ends of the graphene tempera...

Embodiment 2

[0029] A multi-physical quantity detection sensor based on graphene, comprising an insulating substrate 1, a plurality of graphene films 2 are evenly distributed in the circumferential direction of the insulating substrate 1, and electrodes are respectively arranged at both ends of each graphene film 2, and the insulating substrate 1 is closed by a cover 3 , a sealed cavity is formed between the cover body 3 and the insulating base 1, the sealed cavity is filled with gas, the gas is CO or NO, the cover body 3 includes a top 5 and a side portion 7, the cover body 3 The top 5 is made of a material with certain elasticity, the top 5 of the cover body 3 is provided with a graphene strain sensor film 4, the two ends of the graphene strain sensor film 4 are provided with electrodes, and the graphene strain sensor film 4 is styrene-acrylic emulsion / graphene composite film. The side portion 7 of the cover body 3 is provided with a graphene temperature sensor film 6 , and electrodes ar...

Embodiment 3

[0031] A multi-physical quantity detection sensor based on graphene, comprising an insulating substrate 1, a plurality of graphene films 2 are evenly distributed in the circumferential direction of the insulating substrate 1, and electrodes are respectively arranged at both ends of each graphene film 2, and the insulating substrate 1 is closed by a cover 3 , a sealed cavity is formed between the cover body 3 and the insulating base 1, the sealed cavity is filled with gas, the gas is CO or NO, the cover body 3 includes a top 5 and a side portion 7, the cover body 3 The top 5 is made of a material with certain elasticity, the top 5 of the cover body 3 is provided with a graphene strain sensor film 4, the two ends of the graphene strain sensor film 4 are provided with electrodes, and the graphene strain sensor film 4 is styrene-acrylic emulsion / graphene composite film. The surface of the styrene-acrylic emulsion / graphene composite film is provided with a nano-gold layer by magnet...

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PUM

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Abstract

The invention discloses a graphene-based multi-physical-quantity detecting sensor and a strain sensor. The graphene-based multi-physical-quantity detecting sensor mainly comprises an insulating substrate, a plurality of graphene films is uniformly distributed in the circumferential direction of the insulating substrate, two ends of each of the graphene films are provided with electrodes, the insulating substrate is closed by a cover body, and a sealed cavity is formed between the cover body and the insulating substrate and is filled with gas which is CO or NO. The cover includes a top part anda side part, the top of the cover body is made of an elastic material and is provided with a graphene strain sensor film, two ends of the graphene strain sensor film are provided with electrodes, theside part of the cover body is provided with a graphene temperature sensor film, and two ends of the graphene temperature sensor film are provided with electrodes. A three-dimensional architecture isused to arrange a plurality of sensors, the space is effectively saved, the sensitivity is higher, and the range of application is wide.

Description

technical field [0001] The invention relates to a multi-physical quantity detection sensor and a strain sensor based on graphene. Background technique [0002] Graphene has excellent optical, electrical, and mechanical properties, and has important application prospects in materials science, micro-nano processing, energy, biomedicine, and drug delivery, and is considered to be a revolutionary material in the future. [0003] At present, there are many types of thin film sensors developed based on graphene, such as graphene temperature sensor film, graphene humidity sensor film, graphene strain sensor film, graphene pressure sensor film and so on. However, these existing sensors are generally sensors with a single function. When multiple sensors need to be used, the arrangement of each sensor becomes a difficult problem, and how to maximize the use of space becomes a problem to be solved. At present, the main research direction is still the preparation method of graphene se...

Claims

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Application Information

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IPC IPC(8): G01B7/16
CPCG01B7/16
Inventor 孙云飞胡伏原班建民
Owner SUZHOU UNIV OF SCI & TECH
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