The electronic control unit allows current to flow through the ignition coil primary winding until it senses a triggering voltage pulse from the speed sensor, or pickup coil. 电子控制单元使电流通过初级绕组直到感知到一个从转速传感器或拾波线圈产生的触发电压脉冲。
Beginning from the analysis of ignition waveform, this paper researches the influence of engine rotate speed variation to high voltage ignition waveform. 从点火波形分析入手,研究发动机转速变化对高压点火波形的影响。
With the drb, select sensors, read the ignition voltage. 对于DRB,选择感知器,读出点火电压。
Because the discharge process of ignition system is quite complex, accompanies with very strong electromagnetism interference, and the ignition current and voltage are variable, it make the measure of ignition energy become a difficult thing of ignition system performance detection. 由于点火系统的放电过程比较复杂,伴随着很强的电磁干扰,点火电流、点火电压都是变量,使得点火能量的测量成为点火系统性能测试的一个难点。
The advanced distributorless ignition system is adopted on the engine of BUICK with each ignition winding supplying high voltage to the two-cylinder spark plug at one time. 别克轿车发动机采用先进的无分电器式电子点火系,每只点火线圈同时给两缸火花塞提供高压电。
A Hall effect type electronic ignition control circuit has been designed by means of voltage comparator. 利用电压比较器,设计出了霍尔效应式电子点火控制电路。
Effects of injection pulse width, ignition timing, ambient temperature and start voltage on cold start characterstic of the first cycle in the electronic controlled LPG engine were studied. 研究了喷射脉宽、点火提前角、环境温度、起动电压对LPG发动机首循环冷起动性能的影响。
Normal Pregnancy The oscillometer can also tell the situation of the ignition coil waveform and the voltage value as well. 还能从示波器上直接反映出点火线圈的波形是否正常。
Arc discharge waveforms were obtained with spark-test apparatus. It was found that when the capacitive ignition occurred, arc voltage will keep minimum arcing voltage, but arc current possibly attenuates in sinusoidal form with different circuit parameters. 在火花试验装置上进行爆炸试验,得到本质安全复合电路的放电波形,发现电弧电压基本维持在最小建弧电压,而电容电流随着电路参数的不同而发生振荡。
Compared with the traditional ballast, it has the advantage of less power dissipation, less weight, no flicker, no noise and capability of ignition on the low supply voltage. 与长期使用的电感式(也叫电磁式)镇流器比较,电子镇流器具有节电效果显著、体积小、重量轻、无闪烁、无噪声以及在较低的电源电压下仍然可以启动荧光灯的优点。
The faults diagnosis of the ignition system of a gasoline engine usually depends on the observation and comparison of the voltage waveform of the system on the screen of an oscilloscope with the aid of a revolution counter. 汽油机点火系的故障诊断一般是通过对示波器显示的点火线圈初级电压波形或次级电压波形的观察和比较来进行,并辅以测量转速的仪表。
The Change Regulation of the Ignition Voltage in the Ignition Process of the He-Ne Laser 氦-氖激光管在点燃过程中着火电压的变化规律
The ignition voltage of the He& Ne laser is an important parameter, It will be ch-anged with increasing ignition time. 氦&氖激光管的着火电压是一个重要参数,它随点燃时间的增加在不断变化。
This paper shows that the traditional ignition systems are not satisfactory for the needs of modern engines on the spark parameters ( such as spark energy, spark duration, the raising time of secondary voltage etc.) 本文概述了传统点火系在火花参数及点火正时方面目益不能满足现代发动机要求的情况。
The ignition instantaneous power required for each unit is less than 1 W, the mean ignition voltage is less than 40 V, and the theoretical thrust force is about 1.7 mN. 样机瞬时点火功率小于1W,平均点火电压低于40V,理论推力约1.7mN。
The emphasis was placed on the analysis of signal and experiments of the misfire in the case of over large or small gap of the electrodes as well as the disconnection of high ignition voltage. Finally, the judging index of normal combustion and misfire was given. 对火花塞间隙过小和过大以及高压点火线圈断开等原因所造成的失火进行了试验研究和波形分析,给出了用离子信号评价正常燃烧及失火的指标。
High-voltage ignition circuit can be charged directly by peak output voltage of single-end flyback converter, eliminating the use of special ignition winding of traditional high-frequency transformer and hence reducing the size of component. 利用单端反激式变换器的输出尖峰电压,直接对高压点火电路充电,省去了传统高频变压器的专用点火绕组,从而减小了体积。
It is found that the instable start ( ignition) voltage is related to the structure and the size of electrode as well as to the physical property of liquid electric inductivity. 分析表明:突变现象是感应充电进入电晕充电的固有特性,电压降低,电流突然增大,产生突变,且不稳定的起始(着火)电压与电极的结构形式、尺寸、液体介电物理性质有关。
Analysis of relation between minimum ignition current and reluctance in low voltage circuits 低压电感电路最小点燃电流和电感之间的关系
C ignition voltage and pulse ignition voltage has been made under the same operation condition of the cathode. 对直流点火与脉冲点火进行了比较。
Then the author has also accomplished the high speed data acquisition of ignition voltage and ignition current by adopting the high speed analog to digital conversion device and the first in and first out memory device ( FIFO). 采用高速A/D转换器和先进先出存储器(FIFO),有效地实现了高速数据采集,实现了对点火电压、点火电流的采集。
The melting time of the ignition resister decreased exponentially with increasing the voltage. 随着点火电压的提高,桥膜熔断时间呈指数衰减。
The secondary ignition voltage waveform is the starting point of the method. It will change once the ignition system fails, and these changes in the region reflect the corresponding fault information. 该方法以次级点火电压波形为出发点,一旦点火系统出现故障,次级点火电压波形会产生变化,变化区域能够反映相应的故障信息。
The TVS chips whose breakdown voltage is higher than the ignition voltage, which has larger junction capacitance and smaller parasitic resistance, should be selected to protect SCB device from electromagnetic. 选择TVS芯片对SCB火工品进行电磁防护时,在满足击穿电压高于发火电压的情况下,应尽量选择结电容较大、寄生电阻较小的芯片。
With an increased flow rate, ignition voltage increases. Electron emission increases with heating power increasing, but ignition voltage drops. 随着流量的增加,点火电压有所下降;加热功率增加,阴极电子发射增强,点火电压下降。
Through the ignition experiments, we proved the reliability of micro-thruster. The ignition voltage recorded in the experiment has proven its low power consumption. 通过点火实验证明了微推进器的可靠性,记录点火电压,证明了其低功耗特性。