Automobile and motorcycle starting protection device
A protection device, motorcycle technology, applied in the direction of engine components, engine starting, machine/engine, etc., can solve hidden dangers, cumbersome locks and other problems, achieve the effect of protecting the starter motor, simple operation, and solving repeated starts
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Embodiment 1
[0017] Embodiment 1. It is applied to a start protection device of a single-phase magneto-type motorcycle.
[0018] 1 and 2, the starting protection device of this example includes a signal voltage input circuit 1, a detection control circuit 2 and an electronic switch 3. The input terminal of the signal voltage input circuit is connected to the lighting charging coil L1 of the magneto, and the signal The output terminal of the voltage input circuit is connected with the input terminal of the detection control circuit, and the output terminal of the detection control circuit is connected with the control terminal of the electronic switch. The electronic switch is connected in series between the tail end of the excitation coil of the starting relay and the common ground. The signal voltage input circuit includes a rectifier circuit and a filter voltage stabilizer circuit. The rectifier circuit is a full-wave rectifier circuit composed of bridge rectifiers D1-D4. The filter and volt...
Embodiment 2
[0020] Embodiment 2. It is applied to a start protection device of a single-phase tapped magneto-type motorcycle.
[0021] Referring to FIG. 3, in the start protection device of this embodiment, the input terminal of the signal voltage input circuit is connected to the upper part L1 of the magneto coil, and the rest is the same as in embodiment 1, and the working principle is also the same.
Embodiment 3
[0022] Embodiment 3. Another starting protection device applied to a single-phase tapped magneto-type motorcycle.
[0023] 4, the start protection device of this embodiment has a signal voltage input circuit input terminal connected to the lower half L2 of the magneto. The rectifier circuit is a half-wave rectifier circuit composed of diode D1. The basic working principle is: when the start button (ON / OFF) or the brake switch is pressed, the battery voltage C is sent to the normally closed electronic switch composed of resistor R4, capacitor C2 and thyristor S1 via the start relay D. Electronic switch When it is switched on, the current returns to the negative electrode of the battery through S1, the excitation coil is pulled in, the motor is started, and the engine is started. After the engine is started, the lighting coil L2 starts to deliver alternating electrical energy. The voltage signal input is limited by resistor R1, diode D1 half-wave rectification, capacitor C1, voltage...
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