| Ignition coil, English for ignition coil, is also called ignition wire, cylinder wire and ignition coil. It is mainly responsible for distributing the ignition sequence, and transferring the high-voltage electricity pre allocated by the distributor to the spark plug to ignite the cylinder. The number of ignition wires is determined according to the number of cylinders of the engine. One side of each ignition wire is connected to the spark plug with ignition coil, and the other side is connected to the ignition distributor. Different ignition wires have different cores, generally copper core and carbon core. At the same time, different vehicles have different lengths of ignition wires. Different spark plugs have different terminals. The ignition coil is the basic element that converts the low-voltage power supply into high-voltage power. The commonly used ignition coils are divided into two types: open magnetic circuit ignition coil and closed magnetic circuit ignition coil. Usually there are two groups of coils in the ignition coil, the primary coil and the secondary coil. The primary coil is wrapped with thick enamelled wire, usually around 200-500 turns with enamelled wire of 0.5-1 mm; The secondary coil is wrapped with fine enamelled wire, usually with about 15000-25000 turns of enamelled wire of about 0.1mm. One end of the primary coil is connected with the low-voltage power supply (+) on the vehicle, and the other end is connected with the switching device (breaker). One end of the secondary coil is connected with the primary coil, and the other end is connected with the output end of the high-voltage line to output high-voltage electricity. |
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