| 摘要 |
PURPOSE: A gas discharging system for preventing a fire of a CNG vehicle is provided to prevent a secondary accident due to an ignition fire of a remaining gas by recognizing the fire based on a temperature value sensed by a temperature sensing sensor, opening a discharging valve through the ECU and discharging all of gas existing at a gas tank and a gas supplying pipe. CONSTITUTION: A fuel supplying apparatus of a CNG(Compressed Natural Gas) including a gas discharging system for preventing a fire comprises a blowpipe(20), a blowoff valve(21) installed at the blowpipe(20), an ECU(Electronic Control Unit)(24) for a vehicle for operating the blowoff valve(21), a temperature sensing sensor(22) for sensing the fire of the vehicle and an alarm lamp(23) for alerting the fire generation of the vehicle. The blowpipe(20) is connected to each gas tank(2) and a gas supplying pipe(3) through a branching pipe, and is communicated directly to an atmosphere. When the fire is generated at an engine room, the fire is sensed by the temperature sensing sensor(22). At the same time, the blowoff valve(21) is opened by the ECU(24) while the gas in the gas tank(2) and the gas supplying pipe(3) is discharged to the atmosphere and the alarm lamp(23) is turned on.
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