| 摘要 |
PURPOSE: A system for automatically turning on and off an emergency light according to sudden brake of an automobile is provided to prevent poor operation and malfunction due to inflow foreign matters and leakage of compression air by forming electric circuit. CONSTITUTION: A system for automatically turning on and off an emergency light according to sudden brake of an automobile includes a switch part(40), a signal amplifying part(200), a relay(60) and an emergency light operating part(70). The switch part is located between an air tank(30) and a brake drum(80) for generating electromotive force while highly compressed air flows from a master cylinder(20). The signal amplifying part amplifies signal of the switch part. The relay is operated when electric power of a battery(90) flows by the electric signal of the signal amplifying part. The emergency light operating part turns on and off an emergency light(72) by electric power from the relay.
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