How to put out a fire in an electric car? ——Analysis of hot topics on the entire network in the past 10 days
Recently, electric vehicle fire accidents have occurred frequently, which has attracted widespread attention from the society. How to effectively extinguish electric vehicle fires has become a hot topic. This article will combine the hot content of the entire network for the past 10 days to provide you with structured data and analysis to help you understand the causes, preventive measures and fire extinguishing methods of electric vehicle fires.
1. Review of hot events in electric vehicle fires (next 10 days)
| date | event | Place |
|---|---|---|
| 2023-11-01 | Electric vehicle charging in a certain community causes fire | Beijing |
| 2023-11-03 | Takeaway guy's electric car burns | Shanghai |
| 2023-11-05 | Electric car caught fire in underground garage | Guangzhou City |
| 2023-11-08 | Lithium battery repair shop explodes | Shenzhen |
2. Common causes of electric vehicle fires
According to statistics from the fire department, electric vehicle fires mainly occur due to the following reasons:
| Cause category | Percentage | Typical cases |
|---|---|---|
| Improper charging | 56% | Overcharge, use of inferior chargers |
| Line aging | twenty three% | Not regularly repaired circuits |
| Battery failure | 15% | Lithium battery thermal runaway |
| External force damage | 6% | Collision causes short circuit |
3. Methods for extinguishing fires in electric vehicles
1.Initial fire treatment
When you find smoke or small flames appear on electric vehicles:
- Turn off the power immediately
- Use a dry powder fire extinguisher to extinguish
- Do not use water to save directly
2.Lithium battery fire treatment
Lithium battery fires have special characteristics:
| Fire extinguishing steps | Things to note |
|---|---|
| 1. Use a Class D fire extinguisher | The ordinary fire extinguisher has limited effect |
| 2. Continuous cooling | Prevent rekind |
| 3. Isolate unburned batteries | Prevent chain reactions |
3.Large-scale fire treatment
When the fire is large:
- Evacuate the site immediately
- Call 119 to call the police
- Inform firefighters that it is an electric vehicle fire
4. Prevention measures for electric vehicle fires
| Preventive measures | Key points of implementation |
|---|---|
| Purchase regular products | Passed 3C certification |
| Standardized charging | Use original charger |
| Regular maintenance | Quarterly check lines |
| Installation protection | Install short circuit protection device |
5. Expert advice
1. Fire experts remind: Electric vehicle fires spread rapidly and may cause large-scale combustion within 5 minutes.
2. Battery experts recommend: Avoid charging in high temperature environments, the optimal charging temperature of lithium batteries is 10-30℃.
3. Community workers call for: The construction of public charging facilities should be strengthened and the phenomenon of flying line charging should be reduced.
6. Related policy updates
Recently, many places have issued new regulations on electric vehicle management:
| area | New regulations | Implementation time |
|---|---|---|
| Beijing | Electric bicycles are prohibited from entering the building to charge | November 2023 |
| Shanghai | Forced installation of smart charging piles | January 2024 |
| Guangzhou City | Establish an electric vehicle registration system | December 2023 |
Conclusion
Electric vehicle fire prevention requires the joint efforts of car owners, communities and governments. Only by understanding the correct fire extinguishing methods and taking effective preventive measures can the occurrence of fire accidents be minimized. I hope that the structured data and analysis in this article can provide you with valuable reference.
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