Automatic electrical control device
2010
An automatic electrical control device is applied to the controlling to a DRL (Daytime Running Light) or other automotive electronic equipment and is coupled with the DRL (Daytime Running Light) or other automotive electronic equipment, so as to control the turning on or off of the DRL and the automotive equipment, detects whether or not the voltage of a power supply signal of an automobile battery is equivalent to that for starting-up an engine: if yes, a reset signal is output to reset an engine operating judgment circuit, so as to enable the engine operating judgment circuit to judge whether or not an operating ripple exists on the power supply signal; if the operating ripple exists on the power supply signal, a starting-up electric power signal is generated to enable the car electronic equipment to be turned on by an electric control circuit; and a control point detecting circuit is simultaneously used to detect whether or not an automobile main light is turned on, if no, a non-starting-up signal is output to the engine operating judgment circuit, so as to enable the DRL to be turned on by the electric control circuit controlled by the engine operating judgment circuit when the starting-up signal and the non-starting-up signal simultaneously exist.
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