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公开(公告)号:US4064450A
公开(公告)日:1977-12-20
申请号:US707903
申请日:1976-08-16
CPC分类号: F02P17/06
摘要: A solid state simulator of an automobile ignition system is disclosed whereby an automotive engine scope tester can be tested and calibrated. Pulse rate logic is made responsive to means for selecting the number of cylinders and the revolutions per minute of the simulated engine. Variable pulse generation means is made responsive to the pulse rate logic. The output of the pulse generation means is used to trigger a driver connected to a conventional coil and single spark plug simulating the firing of all the spark plugs in the engine. Additionally, the output of the pulse generation means is divided and used to drive an adjustable delay which in turn triggers a one shot high voltage pulse to simulate the firing of the spark plug associated with the number one cylinder. Signal output terminals are provided at the input to the coil to indicate the time of each firing signal and allow feedback control by the engine scope tester. Sensing loops are made available for the engine scope tester pickups at the high voltage output of the coil indicating the time of firing of all the spark plugs and at the high voltage pulse circuit simulating the number one spark plug to show the time of firing thereof.
摘要翻译: 公开了一种汽车点火系统的固态模拟器,由此能够测试和校准汽车发动机试验机。 响应于用于选择气缸数和模拟发动机每分钟转数的装置来响应脉冲率逻辑。 可变脉冲发生装置响应于脉冲率逻辑。 脉冲发生装置的输出用于触发连接到常规线圈的驱动器和模拟发动机中所有火花塞的点火的单个火花塞。 此外,脉冲发生装置的输出被分割并用于驱动可调节的延迟,其进而触发单次高压脉冲以模拟与第一个气缸相关联的火花塞的点火。 信号输出端子设置在线圈的输入端,以指示每个点火信号的时间,并允许发动机测试仪进行反馈控制。 在线圈的高电压输出处的发动机测试仪拾音器上提供感测回路,指示所有火花塞的点火时间和模拟第一火花塞的高电压脉冲电路以显示其点火时间。