Symmetric voltage-stabilizing oscillation frequency-modulation electric control system having prompting protection function
A technology of electrical control system and protection function, applied in the field of electrical system, can solve problems such as frequency adjustment and limit use range, and achieve the effects of reducing impact, system stability and operating voltage stability
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[0023] Such as figure 1 , 2 As shown, the symmetrical voltage stabilized oscillation frequency modulation electrical control system with reminder protection function is composed of a front-end processing circuit, a drive circuit connected to the output end of the front-end processing circuit, a fine-tuning circuit and a warning circuit connected to the fine-tuning circuit; A frequency modulation circuit is also arranged between the circuit input and the fine-tuning circuit and the warning circuit, and a symmetrical voltage stabilizing oscillation circuit 10 is also arranged on the front-end processing circuit.
[0024]The symmetrical voltage stabilizing oscillation circuit 10 is composed of triode VT101, triode VT102, triode VT103, triode VT104, triode VT105, triode VT106, triode VT107, triode VT108, resistor R101, resistor R102, resistor R103, resistor R104, resistor R105, resistor R106, Resistor R107, resistor R108, resistor R109, resistor R110, resistor R111, resistor R112...
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