JPS6411374U - - Google Patents

Description

[Brief explanation of the drawing]

Figure 1 is a circuit diagram of an internal combustion engine ignition system according to the first embodiment of this invention, Figure 2 is a configuration diagram of a signal coil and trigger pole of the internal combustion engine ignition system, and Figure 3 is a diagram of the internal combustion engine ignition system. Operation waveform diagram of each part, 4th
The figure is an operational waveform diagram of each part of the internal combustion engine ignition system when the engine is reversed, Figure 5 is an operational waveform diagram of each part of the internal combustion engine ignition system according to the second embodiment, and Figure 6 is an engine diagram of the internal combustion engine ignition system FIG. 7 is a circuit diagram of the internal combustion engine ignition system according to the third embodiment. FIG. 8 is an operational waveform diagram of each part of the internal combustion engine ignition system according to the third embodiment. FIG. FIG. 10 is an operating waveform diagram of each part of the internal combustion engine ignition system according to the fourth embodiment, and FIG. 11 is a diagram of the operating waveforms of each part of the internal combustion engine ignition system when the engine is reversed. Operating waveform diagram, Figure 12 is a circuit diagram of a conventional internal combustion engine ignition system, Figure 13 is a configuration diagram of a signal coil and trigger pole of the same internal combustion engine ignition system, and Figure 14 is a signal coil output of the same internal combustion engine ignition system. FIG. 1...Generating coil, 2...Signal coil, 3...
Rotor, 6... Capacitor, 7... Ignition coil,
8... Spark plug, 9, 13... Diode, 1
2...Thyristor, 16...Advance angle calculation circuit, 23
, 26...NPN transistor, 30, 31...
...Trigger pole, 32, 33...PNP type transistor. Note that the same reference numerals in the figures indicate the same or corresponding parts.

Claims (1)

[Scope of utility model registration request] A generator coil of a magnet generator that generates an alternating current output in synchronization with the rotation of the internal combustion engine, two trigger poles provided on the rotor of the magnet generator corresponding to the ignition timing control range of the internal combustion engine, and a signal coil that generates two positive and negative angle signals corresponding to the two trigger poles by rotation, and is provided so that a point of change in polarity of these angle signals coincides with a point of change in polarity of the alternating current output of the generator coil;
a signal separation means for separating and outputting an advance angle calculation signal and an initialization signal based on the polarity of the output of the power generation coil from the two positive and negative angle signals sent from the signal coil; and the advance angle calculation signal; an ignition means for igniting at an ignition timing corresponding to the rotation of the internal combustion engine based on the initial signal and the advance signal; Internal combustion engine ignition system.