Research On High Voltage Ignition Circuit Based On Reliability Improvement

Ignition circuits have been widely used in many field,such as industry,mining,automotive,home,aviation,aerospace,etc.The development of ignition technology has also shown diversity.Various types of ignition methods have different advantages depending on the application environment.Since the ignition circuit usually has been used in a certain dangerous environment,improving the operational reliability of the ignition circuit has become a problem that requires in-depth study.This paper proposes an optimized design to improve the reliability of the high-voltage ignition circuit.The high reliability and miniaturization design of the ignition circuit is realized.Then the response time of the circuit is studied,and the selection of relevant parameters in principle is provided.Firstly,The integrated design of charging and discharging is adopted,so that there is no unsafe condition in the circuit.The input voltage stabilization circuit and the isolated open-loop converter is adopted,so that the charging time of the circuit is stablized.Secondly,the power supply filter circuit,signal filter circuit,voltage conversion circuit and input voltage stability circuit are designed,and the anlysis is fouced on voltage conversion circuit.The voltage conversion energy storage circuit is deeply analyzed,and the scheme of using positive and negative double voltage conversion circuit is proposed.The m FFVMCs circuit is proposed,so that the miniaturization of the voltage conversion circuit is realized.Then,according to the capacitor connection method and load resistance which affect the circuit performance.The simulation is carried out by using Multisim software.The schematic and PCB diagram is designed by using Cadence software,and the optimization work is finally completed.