高精度轻质无线测温系统研制与实现

Development and implementation of high precision light wireless temperature measuring system

摘要:

作为航天器研制与试验当中的重要组成部分，高精度、高可靠的温度采集与监测，对航天器的设计与改进都具有重要的指导作用。为了满足对航天器内部环境和设备温度采集和测试要求，摒弃传统传感器有线布线方式，优化航天器整器装配周期，降低测温系统重量，提高系统可靠性，分析并设计了高精度轻质无线温度测量系统；该系统能够采集各测点的温度信号，再对信号进行运算处理后，通过无线网络传送给上位机进行数据分析和温度实时显示；后对系统性能指标及功能进行验证，证明了测温系统具有轻质、长待机时间、高精度、远传输距离和高可靠性等特点，满足单路温度采集系统重量低于2g，待机时间不少于240小时的任务指标要求，且可对航天器内部环境和设备温度进行实时监测与分析处理。

Abstract:

As an important part in the development and test of spacecraft, high-precision and high-reliability temperature acquisition and monitoring plays an important role in guiding the design and improvement of spacecraft. In order to meet the requirements for temperature collection and testing of the internal environment and equipment of the spacecraft, abandon the traditional sensor wired wiring method, optimize the assembly cycle of the whole device, reduce the weight of the temperature measurement system, and improve the reliability of the system, a precision light-weight wireless temperature measurement system is analyzed and designed. The system can collect the temperature signal of each measuring point, and then transmit the signal to the upper computer through wireless network for data analysis and real-time temperature display after arithmetic processing. After that, the performance index and function of the system were verified, which proved that the temperature measurement system has the characteristics of light weight, long standby time, high precision, long transmission distance and high reliability, which can meet the requirements that the weight of the single-channel temperature acquisition system is less than 2g and the standby time is no less than 240 hours, and can monitor and analyze the internal environment and equipment temperature of the spacecraft in real time.