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Common sense of safe use of electric bicycles

Electric bicycles are an important travel tool for citizens. While bringing convenience to everyone, they also bring safety hazards that cannot be ignored. On the evening of May 10, an electric car caught fire in an elevator in a residential area in Chengdu, Sichuan Province, resulting in five injuries, including a baby. The video quickly became a hot search on the entire network once it was released. Recently, many electric bicycle fire accidents have occurred in our city. On May 5, a fire broke out in the electric car shed in the revitalization project community of Sudi South Road, and 18 electric vehicles were burned. On May 19, a fire broke out in the home of a resident in Meiliqiao Village, Tongshan New District. The preliminary investigation revealed that the battery of an electric vehicle suddenly spontaneously ignited during the charging process and caused the fire. According to statistics, 80% of electric bicycle fires occur while charging, and it takes only ten seconds to charge the battery of electric bicycles from a fire to an explosion, which produces a large amount of toxic fumes and endangers the lives of the people. The fire department reminded the general public that behaviors such as "people and cars in the same house" and "flying wire charging" are very dangerous, and the disassembly of the battery and charging in the house are equally dangerous. Fire reminder 1. When buying an electric bicycle, pay attention to choosing a vehicle with a production license, a well-known market, and a well-known brand, and check whether the vehicle has undervoltage, overcurrent protection and short-circuit protection functions. 2. Electric vehicle maintenance should choose professional maintenance organizations or personnel, and shall not disassemble the electrical protection device without authorization to ensure that the electrical circuit and the protection device are intact and effective. 3. The vehicle should be charged outdoors as far as possible. Do not store electric vehicles in the lobby, walkway and stairwell on the first floor of the building. The charging line should choose the appropriate wire diameter, the line should be fixedly installed, and short-circuit and leakage protection devices should be installed. 4. The charging time of the vehicle should not be too long, and the charging should be carried out in accordance with the instructions. In principle, the charging time should not exceed 10 hours. 5. Where centralized storage is implemented, electric vehicles and bicycles should be stored separately, and fire-fighting facilities and equipment should be equipped in accordance with regulations.

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Electric vehicle safety tips

 2021-12--10

Reasons for frequent fires of electric vehicles 1 Many electric bicycle products have quality problems. Some unqualified manufacturers use substandard chargers and inferior batteries to charge shoddy batteries. At present, many fires of electric bicycles are caused by charging, and the reason for charging is more because of inferior chargers. 2 Irregular charging habits are also an important cause of fire problems. Especially in the corridor, on the balcony and other places, it is easy to pile up debris to charge the electric vehicle, which is very easy to cause fire. Even more frightening is that once an electric bicycle catches a fire, the temperature can reach 200°C after 90 seconds. The poisonous gas produced by its combustion is enough to suffocate hundreds of people! Please keep this safety policy for the use of electric vehicles How to prevent electric vehicle fires? 1. Regular inspection of electric vehicles and regular battery replacement: After the electric vehicle is used for a long time, the line is prone to aging, and the construction should be inspected at the maintenance point every six months to a year. According to relevant technical standards, the service life of ordinary batteries of electric vehicles is 1.5 to 2.5 years, and the construction of regular replacement batteries. 2. Park electric vehicles according to regulations: Do not charge more at the same time. When multiple electric vehicles are charged at the same time, the voltage will be unstable, which is easy to cause safety accidents. In addition, there are also people who like to pull the cord privately to charge, which will also bury potential safety hazards. 3. Dedicated for dedicated power supply, dedicated for dedicated charging: Many users do not have a dedicated electric car charging place in their residences, so they can only store the electric car in the stairwell, aisle or push the electric car into the room for charging. In the event of a fire in an electric vehicle, flames and dense smoke will block the safety exits and escape routes of the building, easily causing casualties and even mass casualties.

Electric car knowledge: how to maintain an electric car

 2021-12--10

Regularly check whether the front and rear tire pressure is sufficient, whether the front and rear brakes are sensitive, whether the vehicle has abnormal noise, whether the screws are loose, whether the battery is fully charged! When the electric vehicle is just started, slowly turn the handle, and do not screw the handle to the end at once to prevent excessive discharge current from damaging the battery! Under the premise of safety, we must try our best to avoid sudden braking, sudden acceleration, etc. The motor will consume a lot of electricity. When the battery is discharged at a high current, the battery will be damaged and the battery life will be shortened! Avoid using the rebound voltage. The battery level shows that the battery is dead. After a while, you will find that the battery level shows that the battery is a little charged. This is the rebound voltage. You should avoid using this rebound voltage to ride. If you continue to drive, it will cause Battery damage! Charge in time, the vulcanization process begins after the battery is discharged, and obvious vulcanization occurs in about 12 hours. If it is not charged in time, these sulfide crystals will accumulate and gradually form coarse crystals, which will gradually reduce the battery capacity and shorten the battery's service life; Store the vehicle indoors as much as possible. Electric vehicles should avoid rain and prevent water from entering the motor battery. Exposure to the sun is prohibited. Exposure to the sun will increase the temperature of the battery and increase the activity of the active materials in the battery, which will affect the service life of the battery! Try not to drive on the road with stagnant water, so as to avoid water in the brake pads, which will cause the brakes to be insensitive and affect their life! In addition, water may enter the motor, causing rust inside the motor, large rotation resistance, and loud motor noise, which will affect its life! Frequently clean up the dust and dirt on the wheels of the electric vehicle motor, which helps the motor to dissipate heat and prolong its life!

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Common sense of safe use of electric bicycles

Electric vehicle safety tips

Electric car knowledge: how to maintain an electric car