The invention discloses an aviation frost alarming simple circuit. The aviation frost alarming simple circuit is characterized by comprising a first resistor, a second resistor, a third resistor, a fourth resistor, a fifth resistor, a first capacitor, a second capacitor, a first triode, a second triode, an operational amplifier, a voice chip, a potentiometer, an indicator lamp, a loudspeaker, a thermistor, a single-pole switch and a direct-current power supply, wherein the fourth resistor, the fifth resistor, the first triode, the second triode, the indicator lamp, the loudspeaker and the voice chip form an audible and visual alarm circuit; and the thermistor, the first resistor, the second resistor, the third resistor, the potentiometer, the first capacitor and the operational amplifier form a frost detecting circuit. The number of elements of the aviation frost alarming simple circuit is small, the structure of the circuit is simple, the size of the whole circuit is small, and the aviation frost alarming simple circuit can be conveniently mounted on a narrow portion of an airplane, is low in manufacturing cost and has high competitiveness in markets.
Aviation frost alarming simple circuit
20.05.2015
Patent
Elektronische Ressource
Englisch
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