A temperature detect scheme of hot-wiremethod with electronic switching is given in this paper. The change of heating state and sensing state for thermocouple is completed successfully.
提出了一种利用电子开关转换实现的热丝法测温方案，实现了热电偶加热状态和检测状态的转换。
2
The mathematical model and design method of hotwire sensors at constant voltage or constant temperature are expounded emphatically.
重点阐述了恒压和恒温工作方式下热线式传感器的数学模型和设计方法。
3
The aging of the hot air curtain line and the improper connection method of the electric wire is the biggest hidden trouble of the accident.