| 摘要 |
PURPOSE: A control circuit of a high luminous headlamp for a vehicle is provided to prevent a delay of an operating time by alternating relays. CONSTITUTION: A controller(10) controls HID(High Intensity Degree) headlamps(20). A pair of HID headlamps(20) is installed in the left and the right of a vehicle. A DRL(Daytime Running Lamp) unit(30) controls a day running to secure a visibility of a driver during the day. A multi function switch(40) turn on/off the HID headlamps selectively. A pair of HID relays(21a,21b) are connected each other in parallel. The DRL unit and the multi function switch are connected each other in parallel. The HID headlamps are lighted by independently turning on the HID relays through an operating signal from the DRL unit or through the multi function switch. Thereby, a circuit to accept an operating signal of a headlamp switch is eliminated. Moreover, the intensity of the HID headlamps is maintained by removing an alternating time of the HID relays and removing a voltage falling event.
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