Electric spark extinction controller for diesel vehicle

The utility model relates to an electric spark extinction controller for a diesel vehicle, which comprises an outer case, an electric machine support, an electric machine, a pinion gear wheel, a big gear wheel, a shaft sleeve, a bearing, a 7-shaped draw rod, a sliding board, a transistor circuit board assembly, a power supply cord bundle, an inserting member and a bottom board. An automobile ignition switch K1 of the transistor circuit board assembly is connected in series with a diode V1 and is connected in parallel with resistor circuits R1, R2, R3; the R1 is connected with the base of a transistor V2, and the R3 is connected with the base of a transistor V3; the transistors V2, V3 and a working circuit of the electric machine are connected in series; a main circuit of the working circuit is connected in series with a PTC automatic recovering fuse; one terminal of the electric machine M is connected between the transistors V2, V3, and the other terminal of which is connected to a sensitive switch K2; moving contacts of the sensitive switch 2 can be connected with contacts 3, 4 which are connected with both terminals of the working circuit.