Bio-friendly human body temperature alarm flexible electronic device

A flexible electronic device and human body temperature technology, which is applied in the direction of alarms, thermometer parts, thermometers, etc., to achieve the effect of improving durability, strong sealing, and excellent biocompatibility

Active Publication Date: 2021-07-13
NORTHWESTERN POLYTECHNICAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the shortcomings of existing flexible sensors, and provide a body temperature alarm flexible electronic device

Method used

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  • Bio-friendly human body temperature alarm flexible electronic device
  • Bio-friendly human body temperature alarm flexible electronic device
  • Bio-friendly human body temperature alarm flexible electronic device

Examples

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Comparison scheme
Effect test

Embodiment Construction

[0038] Below in conjunction with accompanying drawing and specific embodiment content of the present invention is described in further detail:

[0039] 1. Preparation of conductive hydrogel temperature sensing unit

[0040] figure 1 It is a physical comparison diagram of the temperature sensing unit in the present invention, and the specific preparation steps are as follows:

[0041] 1. Use polyethylene plastic film to prepare a mold. The size and shape of the mold is about a cylinder with a bottom diameter of 1 cm and a height of 2 cm. Fix two pieces of copper with hot melt adhesive on the inside of both ends of the cylinder mold, and then solder two wires on the two copper pieces for external circuit connection; seal the bottom of the mold with hot melt adhesive.

[0042] 2. Preparation of Conductive Hydrogels

[0043] 1) Synthesis of silver nanowires: For the synthesis of silver nanowires, refer to Liqiang et al.Solution-Processed Flexible Polymer Solar Cells with Silver...

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Abstract

The invention provides a bio-friendly human body temperature alarm flexible electronic device. The bio-friendly human body temperature alarm flexible electronic device comprises a power supply, a temperature sensing unit, a microcontroller and an alarm unit, wherein the temperature sensing unit comprises conductive hydrogel, a heat conduction shell for packaging the conductive hydrogel, and metal sheets arranged at the two ends of the heat conduction shell; the power supply provides voltage for the temperature sensing unit and the microcontroller; since the resistance of the conductive hydrogel changes along with the temperature, the microcontroller is used for reading and recording the resistance value of the conductive hydrogel; when the microcontroller reads that the resistance value of the conductive hydrogel is higher than a set threshold value, the alarm unit gives a temperature alarm. The temperature detection system introduced with the microcontroller, developed by the invention, not only can perform real-time monitoring and alarm on the human body temperature, but also can be used for detecting the lowest critical solution temperature (LCST) of other polymers with temperature responsiveness, and opens up a new way for biological-friendly flexible electronic devices for human body temperature detection.

Description

technical field [0001] The invention belongs to the technical field of temperature sensors, and in particular relates to a biologically friendly human body temperature alarm flexible electronic device. Background technique [0002] A temperature sensor refers to a sensor that can sense temperature and convert it into a usable output signal. It is mainly divided into contact sensors and non-contact sensors according to the measurement method. Traditional contact sensors include bimetallic thermometers, glass liquid thermometers, pressure thermometers, resistance thermometers, thermistors, and thermocouples. These sensors have obvious thermal effects, good sensitivity and stability, and are obtained in traditional microelectronic systems. Wide range of applications. [0003] With the development of the times, the traditional rigid contact temperature sensor can no longer meet people's measurement needs due to the way of use and user experience. During the development of temp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01K1/024G01K7/16G08B21/18C08J3/075C08F220/54C08F222/38C08K7/00C08K3/08
CPCG01K1/024G01K7/16C08J3/075C08F220/54G08B21/18C08J2333/24C08K7/00C08K2003/0806C08K2201/011C08F222/385
Inventor 王腾蛟李鹏黄维宋江王坤刘荣珺康哲诚
Owner NORTHWESTERN POLYTECHNICAL UNIV
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