From：CTECHI GROUP Limited Release time：2019-01-25
Overview：In winter, when things are dry and fire occurs frequently, electric vehicles are an important hidden danger of fire. From the perspective of fire safety, what are the main causes of electric vehicle fire and how to prevent it? In this regard, the reporter interviewed the relevant person in charge of Beijing Fire Department.
In winter, when things are dry and fire occurs frequently, electric vehicles are an important hidden danger of fire. From the perspective of fire safety, what are the main causes of electric vehicle fire and how to prevent it? In this regard, the reporter interviewed the relevant person in charge of Beijing Fire Department.
"Electric vehicle fires occur mostly at night, especially at night when charging is concentrated. Electric vehicle fire produces a lot of toxic and harmful smoke, which is easy to cause casualties. Zhou Dan, Deputy Minister of fire prevention supervision department of Beijing Public Security Fire Brigade, said, "The reasons for electric vehicle fire are very complicated. The aging of its own lines, short circuit of batteries, mismatch of chargers and overcharge may cause fire. Comparatively speaking, electric vehicle charging is the biggest risk point.
"Different models of electric vehicles need to be equipped with different electric vehicle chargers, and can not be mixed." Zhou Dan introduced that inferior chargers and mismatched chargers are all potential fire hazards.
Consumers'unsafe charging behavior is also an important cause of fire: first, excessive charging of batteries beyond the time limit, continuous heating of chargers and batteries, causing fire; second, indiscriminately connecting temporary wires and pulling "flying wires" from the room to charge electric bicycles, which makes the power cord vulnerable to damage and causes fire; third, unsafe charging location of batteries, in public staircases, corridors and safety. Charging in evacuation area of all exit, blocking safe passage after fire.
Li Zhuo, director of the Propaganda Department of the Fire Protection Supervision Department of Beijing Public Security Fire Brigade, said that correct and standardized use behavior is the key to avoid electric vehicle fire.
It should be charged in the regular charging place, not in the stairwell, aisle or room. Regular inspection of electric vehicles and regular replacement of batteries. Li Zhuo suggested that the service life of ordinary batteries of electric vehicles should be 1.5-2.5 years, and they should be replaced regularly. Stop the electric vehicle according to the regulations. Even if the electric car is not charged, it is dangerous to park in the corridor. Li Zhuo said that for electric vehicles parked in the underground garage of the community, parking and charging are also required. For example, electric vehicles and cars should be parked in different areas, and charging lines should not be exposed.
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