A precision temperature sensor

By encapsulating the measurement chip with acid and alkali resistant filling materials and using Teflon wire in the temperature sensor, the problem of easy corrosion of the sensor in chemical environments is solved, achieving miniaturization and high temperature resistance, making it suitable for installation in confined spaces.

CN224382645UActive Publication Date: 2026-06-19SHENZHEN RPD SENSOR TECH CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
SHENZHEN RPD SENSOR TECH CO LTD
Filing Date
2025-05-22
Publication Date
2026-06-19

AI Technical Summary

⚠Technical Problem

Existing temperature sensors struggle to balance corrosion resistance, miniaturization, and high-temperature resistance, and are particularly susceptible to corrosion and damage in chemical environments, resulting in inaccurate measurements.

⚗Method used

The measurement chip is encapsulated with acid and alkali resistant filling material and connected with Teflon wire. The shell is made of metal and is insulated. The overall size is less than 2.0mm*12mm.

🎯Benefits of technology

It achieves corrosion resistance and high temperature resistance in chemical environments while ensuring measurement accuracy and sensor stability, and is suitable for installation in confined spaces.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a kind of precision temperature sensors, comprising: shell, the shell is equipped with connection high temperature line, one end of connection high temperature line is inserted into shell interior;The shell is equipped with measurement chip, and the measurement chip is connected with connection high temperature line;The shell is injected with the acid and alkali resistant filling material from the end where measurement chip is equipped with;The end of the measurement chip and shell has buffer space, the acid and alkali resistant filling material is filled in buffer space, and the measurement chip is sealed in shell. By implementing the above technical scheme, the following technical effects are achieved: the precision temperature sensor provided by the utility model realizes small size, and has corrosion resistance, high temperature wire resistance and other functions.
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