The invention discloses an excitation circuit for ultrasonic icing detection and an ultrasonic icing detector. The excitation circuit comprises an N-channel MOS field effect transistor Q1, a grid G isa signal input end, a source S is grounded, a drain D is connected with one end of a current-limiting resistor R1 and one end of an energy storage capacitor C1, the other end of the current-limitingresistor R1 is connected with VCC voltage, the other end of the energy storage capacitor C1 is connected with one end of an output resistor R2, the other end of the output resistor R2 is grounded, andvoltage loaded on the output resistor R2 is output voltage. The excitation circuit has the characteristics of small volume and weight, low cost, large detection range and high detection precision, and ensures the aerodynamic configuration of an aircraft.
本发明公开了一种用于超声结冰探测的激励电路及超声结冰探测器。包括N沟道MOS场效应管Q1,栅极G为信号输入端,源极S接地,漏极D分别与限流电阻R1和储能电容C1的一端连接,限流电阻R1的另一端接VCC电压,储能电容C1另一端与输出电阻R2一端连接,输出电阻R2另一端接地,输出电阻R2上加载的电压即为输出电压。本发明具有体积重量小、成本低、确保飞机气动外形、探测范围大和探测精度高的特点。
Excitation circuit for ultrasonic icing detection and ultrasonic icing detector
一种用于超声结冰探测的激励电路及超声结冰探测器
2021-03-16
Patent
Electronic Resource
Chinese
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