Design of a six-arm step-shaped snowflake configuration temperature sensor for harsh environments

WANG Zhenchuan; QIAO Zhengyang; HE Jian; HOU Xiaojuan

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Design of a six-arm step-shaped snowflake configuration temperature sensor for harsh environments

Design & Manufacture | 更新时间：2026-07-20

- Design of a six-arm step-shaped snowflake configuration temperature sensor for harsh environments
- Vol. 45, Issue 7, Pages: 85-90(2026)
- 作者机构：
  
  1. 中北大学极限环境光电动态测试技术与仪器全国重点实验室,山西,太原,030051
  2. 贵州航天电器股份有限公司,贵州,贵阳,550009
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP212
- Published：2026
- 稿件说明：
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WANG Zhenchuan, QIAO Zhengyang, HE Jian, et al. Design of a six-arm step-shaped snowflake configuration temperature sensor for harsh environments[J]. 2026, 45(7): 85-90.
DOI：

WANG Zhenchuan, QIAO Zhengyang, HE Jian, et al. Design of a six-arm step-shaped snowflake configuration temperature sensor for harsh environments[J]. 2026, 45(7): 85-90. DOI：

摘要

油气勘探、金属冶炼等工业领域的作业设备常需在极端高温下运行，因此

对温度进行实时、精准测量至关重要。提出了一种适用于恶劣环境的温度传感器，其表面金属采用六臂阶梯状雪花形结构，底部增设开槽天线，以此提高灵敏度与品质因数(

值)，进而在高温下实现实时准确测量。实验结果表明，当温度从25℃升高至1400℃时，谐振频率偏移量为0.52478GHz，总体灵敏度为379.67kHz/℃，且谐振曲线尖锐，

值较高，验证了其在极端环境下的工作能力。所提出的六臂雪花构形微波散射式温度传感器，为无线无源高温传感器的发展提供了一种新思路。

Abstract

Industrial equipment in fields such as oil and gas exploration and metal smelting often operates under extreme high-temperature conditions.Therefore

real-time and accurate temperature measurement is essential.A temperature sensor suitable for harsh environments is proposed.The sensor employs a six-arm step-shaped snowflake structure as its surface metal pattern and integrates a slot antenna on the bottom side.This design enhances sensitivity and quality factor (

-value)

enabling real-time and accurate temperature measurement under high-temperature conditions.Experimental results show that as the temperature increases from 25℃ to 1400℃

the resona

nt frequency shifts by 0.52478GHz

corresponding to an overall sensitivity of 379.67kHz/℃.The resonance curve remains sharp with a high

-value

demonstrating the sensor’s capability to operate in extreme environments.The proposed microwave scattering temperature sensor with a six-arm snowflake configuration offers a new approach for the development of wireless passive high-temperature sensors.

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