System and method for controlling ignition of internal combustion engine
An internal combustion engine and ignition control technology, which is applied in the direction of engine ignition, ignition energy generated by generators, spark ignition controllers, etc., can solve the problems of increasing the volume and cost of the ignition system
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[0017] figure 1 is a circuit diagram of an ignition system for a motorcycle internal combustion engine according to the present invention. Such as figure 1 As shown, the battery 2 is connected to the voltage terminal BT of the CDI circuit 1 . The pulse generator coil 4 is connected to the pulse input terminal PU for generating a pulse-shaped ignition timing reference signal as the alternator 3 rotates, for example. The primary side coil 5 a of the ignition coil 5 is connected to the output terminal IG, and the spark plug 6 is connected to the secondary side coil 5 b of the ignition coil 5 .
[0018] In the CDI circuit 1, the DC-DC converter 7 and the main capacitor C1 are connected in series in this order on the power supply line extending from the terminal BT to the terminal IG. In addition, the main capacitor C1 is connected to the primary coil 5a of the ignition coil 5 through the terminal IG. Each ignition timing reference signal supplied to terminal PU is converted ...
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