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本文讨论了低于环境温度的运动织物的温度测量。它的原理是利用传感器与被测体靠近时,通过热交换形成梯度为零的温度场,因而二者温度相等。这种零温度梯度的温度场是通过对传感器的致冷跟踪被测体的温度形成的。本文介绍了测温原理,检测与致冷装置,反馈控制电路以及测量结果。
This article discusses the temperature measurement of sports fabrics below ambient temperature. Its principle is to use the sensor and the measured object close to form a gradient of zero temperature field by heat exchange, so the two temperatures are equal. This zero-temperature gradient temperature field is formed by tracking the temperature of the test object for the sensor’s cooling. This article describes the principle of temperature measurement, detection and refrigeration devices, feedback control circuit and measurement results.