| 摘要 |
<p>PURPOSE:To enable wiring to a horn switch and an electric heater through single slide power supply, by connecting the operating coil in an electromagnetic relay to the power source. CONSTITUTION:A horn H and the switch section 71 of an electromagnetic relay 7 are connected in series to the positive terminal 12 of a power source 1 and one end 13 is connected to the chassis. One end of the operating coil 72 of an electromagnetic relay 7 is also connected in series to the positive terminal 12, while the other end is connected to the fixed side of the slide power supply 8 or the terminal 81. The horn switch 4 is connected in parallel with the electric heater 5 and its switch 51 is then connected to the movable side of the power supply section 8 or the slider 82 while the other ends 41, 52 are grounded to the chassis. The switch section 71 will function only when the large current at the operation of the horn H will flow through the operating coil 72.</p> |
