What is the frequency of electric bicycle fire?

According to Huainan Network, many citizens have an electric bicycle in their home. It is very convenient to pick up a dish and pick up a child by riding an electric bicycle. However, we have not noticed that the number of fire accidents caused by electric bicycles has increased in recent years , and the probability of casualties and property losses has been increasing.

February 2016, a city on the first floor of a private house fire, burned area of about 50,000 square meters, burned burning electric bike 4, the fire caused a total of eight people were injured, cause of the fire is due on the first floor corridor of electric bicycles Electrical fault caused during charging.

July 2017, a living area on an eight-story building houses 26 fire, killing seven people were injured, electric bicycles parked in the first floor of the overhead layer, all motorcycles were burned, the total construction area of about 1100 square meters live There are more than 80 people, the initial cause of the fire was identified as a result of a breakdown of the electric bicycle caused by self-ignition caused a fire.

January 24, 2018 morning, the city's food Tianjiaan Huaihe Road area near the second reservoir Yijuminlou fire, after receiving the alarm the fire brigade rushed to the scene disposal. After about 40 minutes of emergency rescue, 4 people were successfully rescued and the fire was extinguished. The cause of the fire was caused by the electric bicycle's onset of fire...

The startling fires are caused by electric bikes. What causes the electric bike to have such a large lethality after a fire? Take a look at the fire experiments conducted by the fire department on electric bikes.

In order to get the experiment close to real life, the fire department set up the experimental site in a three-storey residential building that was uninhabited. Three electric vehicles are also the most common style. After pre-technical preparation, an electric bicycle is charging. Due to circuit failures, according to real-time monitoring data, when the open flame begins, the flame temperature is 126.7 degrees and the flue gas temperature is about 43 degrees. After 104 seconds, the fire is more obvious, the flame temperature reaches 284 degrees, and the flue gas temperature is about 81 degrees, enough to cause respiratory inhalation to those who inhaled the smoke; 269 seconds later, the electric car began to burn fiercely, the flame temperature reached 658.8 degrees, the temperature of the smoke was about 200 degrees, smoke filled the entire corridor, and then the electric car battery was Three explosions occurred and a large amount of toxic fumes occurred in the combustion. After 418 seconds, the flame that caught the fire had an instantaneous maximum temperature of 1105.9 degrees and the flue gas temperature reached about 500 degrees.

From an experimental point of view, electric bicycles are accompanied by explosions and a large amount of toxic smoke during combustion, and toxic smoke is an important factor causing deaths in fires. The above fire cases show that electric bicycle fires mainly occur during the charging of electric vehicles. Most of these electric vehicles are parked in the first floor of the building. The fire caused by staircases and walk-ups has caused tragedy. So what are the people using electric bicycles that are not standardized?

The first point is that electric bicycles are overcharged. Many owners prefer to charge electric bicycles during nighttime breaks. They keep on overclocking all night and are prone to overcharging, which can lead to battery failures causing fires. In addition, it is also an important factor in causing fires that privately-wired electric wires are used to charge electric bikes. This non-standard practice is very common in all districts of the city.

A few days ago, Huaihe Morning Post and Huainan Network reporters came to the city with their inspectors. This is not a norm. A tenant dropped a wire from the 7th floor window to charge the electric bicycle. Inspectors said that there are two major problems in doing so. First of all, the wire is a simple flower line, and the insulation layer is relatively low compared to the mint load. Long-term charging of the electric bicycle is prone to short-circuiting, and the outlet is likely to cause a short circuit once it is charged with water. Irregular charging can easily lead to fires. Parking an electric car on the first floor of a building, on a stairwell, or on a walkway is an important factor in causing electric cars to cause accidents.

During the interview, some households stopped the electric bicycle in the corridor just to the location of the fire door for convenience. There are two major hazards to stop here. One is to obstruct the route of evacuation and the second is that if the fire smoke will spread to the floor of the occupants, it will easily cause death and injury.

In the examination of several districts in our city, this kind of illegally stopping bicycles and charging them freely is very common. As the property management department of a community, it is also a headache for this kind of repeated prohibition. Several person in charge of the Property Office stated that, for the above-mentioned actions, the business households expressed their incomprehensibility when they were discouraged, and some owners repeatedly pulled the cables after they were taken away.

The firefighting department stated that fire safety is very much under management. Although the safety management of electric bicycles is not easy to manage, it is still difficult to control them. After all, this is a matter of concern for the lives and property of our common people. At the end of 2017 , the Ministry of Public Security issued the “Regulations on Regulating the Charging of Electric Vehicles for Charging and Strengthening Fire Prevention” and clarified the responsibility of all parties for the management of electric bicycles. The "Notice" pointed out that for residential districts and buildings, property management companies or competent units, real estate service companies and competent authorities should implement fire safety management for parking and charging of electric vehicles within the management area in accordance with the "Regulations on Real Estate Management" and other relevant regulations. For non-property service enterprises or competent units, the people's governments of the townships and sub-districts in the districts and districts should implement management responsibilities. The conditional residential quarters and buildings should be combined with the actual setting of centralized parking and charging places for electric vehicles.

The "Notice" clarified the specific responsibilities of property companies, competent authorities, and related functional departments such as villages and residents' committees in the management of fire safety in electric vehicles, and clarified who should control and how to manage them. This promotes the promotion of fire safety for electric vehicles. Very important meaning. At the same time, real estate service companies, competent authorities, and village committees should carry out special inspections of electric vehicle parking and charging for residential quarters and buildings to eliminate hidden dangers in time. If it is found that the electric vehicle has been illegally parked and recharged after inspection, it shall stop and organize the cleaning up; if it refuses to clean up, it shall report to the public security organ fire control agency or the police station.

The "Notice" clearly emphasizes that if a violation of a circular constitutes a violation of fire control behavior, the public security organ will punish it in accordance with the law; cause a fire, cause serious consequences, and constitute a crime, investigate criminal responsibility according to law.