汽车前照灯昏暗自动发光及自动延时控制装置研究＊

摘要

介绍一种汽车前照灯昏暗自动发光及自动延时控制装置，包括：在接通点火开关K1和关闭前照灯开关K3后，在夜晚或在黑暗中行驶时可使前照灯工作的昏暗自动发光电路；在关闭点火开关K1和前照灯开关K3后仍可维持前照灯延时工作的自动延时控制电路，并分析了它们的工作原理。%A control device of automobile headlamp dark automatic lighting and automatic time delaying is presented. It comprises the dark automatic lighting circuit for the headlamp when switching on the ignition switch K1 and switching off the headlight switch K3 at night or in the dark, also comprises the automatic time delaying circuit for the headlamp when switching off the switch K1 and the switch K3. Its working principles are also given..