SEMITEC超精密测量有源温度传感器,温度监测精度提高15倍,可用于无创性诊断以及分期诊断
SEMITEC与弘前大学和国立工业大学八户学院联合研究开发了超精密测量有源温度传感器。SEMITEC使用独特的器件,该器件安装了多个高精度微型薄膜热敏电阻(FT 系列)和该传感器独特的控制系统。
图1 产品图
与最初的最高性能温度传感器相比,检测温度的准确度提高了15倍,响应速度则提高了10 倍。极小温度变化的测量和超高速测量使我们能够检测物体的物理特性并估计物质。例如,该传感器可用于无创性确诊以及分期诊断,而无需切除皮肤癌的感染区域。
之前使用的最高性能温度传感器需要3.3s才能达到34.8℃(热平衡),仍然不能完全达到最终的物体温度。然而,超精确测量有源温度传感器仅需0.3秒即可达到35℃。
图2 与原始传感器对比
应用实例:
·皮肤癌诊断设备
到目前为止,无法检测到皮肤癌和正常皮肤之间物理特性的微小差异。但极小的温度变化的测量和超高速的测量能够检测到这种差异,并且仅通过接触就可以用于皮肤癌的分期诊断设备。
未来应用:
·估计物体内部情况
期望通过非破坏性发现设备或设施内部的劣化等异常。
·超精密表面温度测量
有望使电气设备的温度设计更容易实现省重和节能。
·预估内部温度
预计通过准确测量表面温度来估计迄今为止我们无法检测到的物体的内部温度。
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