The number of casualties caused by electric bicycle fires has increased year by year in recent years. According to statistics from the Fire and Rescue Bureau of the Ministry of Emergency Management, in the past 10 years, there were 87 electric bicycle fires that killed more than 3 people in winter and spring alone, and 413 people died.On September 22 this year, a fire broke out in a residential house in Baoshan District, Shanghai, killing 5 people. After investigation, the cause of the fire was that the lithium-ion battery failed during the charging process of the electric bicycle. Statistics show that since this year, there have been 386 electric bicycle fires in Shanghai, causing 20 deaths and 16 injuries.
In fact, the situation in Shanghai is more common throughout the country. The reporter learned from the fire department in many places that this year, electric bicycle fires and deaths are still in a state of frequent occurrence. “Some residents store electric bicycles in stairwells, walkways, or even push them indoors for charging. In the event of a fire, the surrounding combustibles will be quickly ignited, and flames and dense smoke will block the safety exits and escape routes of the building, which is easy to cause Casualties and even mass casualties.” said Mei Liang, a propagandist from the Nanjing Fire Rescue Detachment.
You Jianjun, an engineer of the Fire Protection Supervision Department of the Beijing Fire Rescue Corps, said that relevant departments have done an electric bicycle simulation combustion experiment: 104 seconds after the electric bicycle caught fire in the corridor, the local space temperature reached 284 degrees Celsius and the flue gas temperature reached 81 degrees Celsius. “This kind of high-temperature flue gas travels at a speed of 0.8 m/s in the horizontal direction and 3 to 4 m/s in the vertical direction. The flue gas contains a large amount of carbon monoxide, sulfur dioxide and cyanide. Once a person inhales it in a short time You will die from poisoning and suffocation due to hypoxia.” You Jianjun said.
Zhejiang Hangpai Electric Vehicle Industry Co., Ltd