Shen Chih-Lung, Su Jye-Chau
Department of Electronic Engineering, National Kaohsiung First University of Science and Technology, Yanchao, Kaohsiung 824, Taiwan.
Graduate Institute of Engineering Science and Technology, National Kaohsiung First University of Science and Technology, Yanchao, Kaohsiung 824, Taiwan.
ScientificWorldJournal. 2014 Feb 5;2014:795180. doi: 10.1155/2014/795180. eCollection 2014.
An electric igniter for engine/hybrid vehicles is presented. The igniter comprises a flyback converter, a voltage-stacked capacitor, a PIC-based controller, a differential voltage detector, and an ignition coil, of which structure is non-contact type. Since the electric igniter adopts a capacitor to accumulate energy for engine ignition instead of traditional contacttype approach, it enhances the igniting performance of a spark plug effectively. As a result, combustion efficiency is promoted, fuel consumption is saved, and exhaust emission is reduced. The igniter not only is good for fuel efficiency but also can reduce HC and CO emission significantly, which therefore is an environmentally friendly product. The control core of the igniter is implemented on a single chip, which lowers discrete component count, reduces system volume, and increases reliability. In addition, the ignition timing can be programmed so that a timing regulator can be removed from the proposed system, simplifying its structure. To verify the feasibility and functionality of the igniter, key waveforms are measured and real-car experiments are performed as well.
本文介绍了一种用于发动机/混合动力汽车的电点火器。该点火器包括一个反激式转换器、一个叠层电容器、一个基于PIC的控制器、一个差分电压检测器和一个点火线圈，其结构为非接触式。由于该电点火器采用电容器来积累能量用于发动机点火，而不是传统的接触式方法，因此有效地提高了火花塞的点火性能。结果，燃烧效率得到提高，燃油消耗得以节省，废气排放减少。该点火器不仅有利于提高燃油效率，还能显著降低HC和CO排放，因此是一种环保产品。点火器的控制核心在一个芯片上实现，这减少了分立元件数量，减小了系统体积，并提高了可靠性。此外，可以对点火正时进行编程，从而可以从所提出的系统中移除正时调节器，简化其结构。为了验证点火器的可行性和功能，还测量了关键波形并进行了实车实验。
