| 摘要 |
PROBLEM TO BE SOLVED: To reduce influence caused by variations in component parts on time accuracy, in an electronic ignition device for extended ignition.SOLUTION: An electronic ignition device for extended ignition of this invention comprises: a power source transformer 2 in which, after AC current and AC current control signal required for ignition of an igniter are received from an ignition control device, the AC current is converted into a prescribed power source voltage and at the same time the AC current control signal is converted into a control signal voltage; a power source capacitor 3 for ignition for storing electrical power required for ignition of the igniter and an operation of the ignition device by rectifying AC current supplied from the power source transformer 2 into DC current; an ignition control circuit 4 for converting the control signal voltage supplied from the power source transformer 2 into a digital control signal; a main control circuit 6 for computing a prescribed extended time in reference to the digital control signal, electrifying the electrical power required for ignition of the electrical igniter 8 from the ignition power source capacitor 3 by a switching element 7 to perform an ignition control of the electrical igniter 8; and a control power source circuit 5 for converting the electrical power required for operation of the ignition device supplied from the ignition power source capacitor 3 into a stable DC current to be supplied to the main control circuit. |
