Pingyang chunde auto parts co., LTD. : guide to ignition switch device (I)

　　Ignition switch
　　Ignition switch is the most important switch in the automotive circuit, mainly used to control the ignition circuit, but also control the generator magnetic field circuit, instrumentation and lighting circuits, starting relay circuit and auxiliary electrical circuits. The commonly used ignition switch has three - stop and four - stop type.
　　Three way ignition switch
　　Three block type ignition switch is 0, Ⅰ, Ⅱ ON, START) gears (or LOCK. 0 when keys are free to insert or pull out, 40 ° to Ⅰ block clockwise, continue to 40 ° rotation as Ⅱ block, can be automatically reset to Ⅰ after external forces to eliminate.
　　Zero position of the ignition switch, ignition switch is closed, the car steering wheel lock, with functions of guard against theft, bus and 30 P end plug in right now, stop lamp switch operation, can make the parking lights up, has nothing to do with whether ignition switch unplug, such as the ignition switch key inserted, will make 30 with through to SU end, buzzer can work.
　　Ⅰ position of the ignition switch: after startup, loosen the ignition switch key, ignition switch will automatically rotate counterclockwise Ⅰ returned to position, this is work block, then P end without electricity, and 15, X, SU three-terminal electricity, 15 electricity continue to work, the ignition system X electricity make headlights, fog lamps, etc., to meet the needs of driving at night.
　　Ⅱ position of the ignition switch, the power bus 30 and 50, 15, through to SU end, take the starter run, 30 and 15 through to make the ignition system work. Due to the power failure at the P end, the parking light cannot work; For X power end, headlights, fog lamps, and so on can't work, so that it will be the power of the headlamps, fog lamps, and so on large power consumption equipment shut down, the purpose of unloading, to satisfy the startup need instantaneous large current input of the starter, engine starting, loosening the ignition switch, should make it back in position Ⅰ, cut off the starter current, the starter drive gear back.
　　This paper is organized by pingyang chunde auto parts co., LTD