Abstract
That the aeroengine ignition device’s ignition properties are set as a rule of thumb causes the waste of ignition device’s resources, low efficiency of aeroengine’s operation, and short service life of plugs. In this paper, a variable frequency and energy aeroengine ignition device is developed for improving aeroengine combustion chamber’s ignition properties. The STC89C52 MCU was chosen as the device’s core controller. Power supply circuit, MCU and external circuit, IGBT drive circuit, boost circuit, current-voltage monitor circuit, and discharge circuit are all part of the hardware circuit. Because the MCU is in charge of driving the IGBT and discharging the capacitor, the device can accurately generate a corresponding frequency output signal. It also creates frequency control and energy control modules, both of which can adjust ignition properties according to user needs. The ignition device proposed in this paper is stable and lighter and has a predetermined frequency and energy. It lays the groundwork for improving the aeroengine's ignition reliability.
Highlights
When the contactless ignition device is connected to a DC supply [16, 17], low-voltage DC power is converted to high-voltage AC power by filter circuit and DC converter circuit
It controls the frequency that ranges from 1 Hz to 15 Hz and energy that ranges from 1 J to 5 J. ere are 75 kinds of permutations of frequency and energy. e device lays the foundations for the study of the combustion chamber’s ignition property and the realization of maximizing the combustion chamber’s lean ignition excess air coefficient and shortening ignition lag time
We can adjust the ignition abilities of ignition devices according to engine performance to make the engine reduce power consumption and lighten the flighting burden
Summary
When the contactless ignition device is connected to a DC supply [16, 17], low-voltage DC power is converted to high-voltage AC power by filter circuit and DC converter circuit It is rectified by time jitters of the diode and charges the energy-storing capacitance. Variable frequency and energy ignition device adds control circuit based on solid-state ignition circuit to give control of frequency and energy It can provide a corresponding frequency electric spark for aeroengine in different climates. Ranges from 1 Hz to 15 Hz and 5 kinds of energy that ranges from 1 J to 5 J. e variable frequency and energy ignition device works as follows: power source 28 VDC across the power circuit provides stable voltages of +24 V, +12 V, and +5 V, which provides a stable and reliable power for various follow-up modules. A flyback transformer is a multiple winding coupling inductance
Sign-in/Register to view highlights & summary Sign-in/Register to access full text options 
Free) 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call
