Two sets of mandatory safety standards for electric vehicles will be officially launched on July 1. One set controls the high-voltage safety of the entire vehicle, and the other specifically restricts the power battery., raising the safety threshold in terms of vehicle use, rescue, and battery protection. The biggest change in vehicle safety standards is the power-off function. In the past, vehicle power-offs mostly relied on program control. After a collision, the system was prone to failure, and rescuers were at risk of electric shock.
New regulations require vehicles to be equipped with a physical one-button power-off structure, without relying on software, the owner can cut off the high-voltage circuit of the vehicle with a tap or long press when stationary, making accident handling more secure.
The vehicle chassis protection has also been comprehensively upgraded, and a new bottom impact test has been added to simulate the scenario of bumping the chassis while driving. After the test, the battery cannot leak or catch fire.
The wading depth standard has been raised, the external discharge function has also been included in insulation monitoring, and timely reminders will be issued for line leakage. There are clear specifications for the power-off device during maintenance. After the high voltage is disconnected, the voltage can be reduced to a safe range within a short time.
Battery-related standards require more stringent requirements. The old rules only required an alarm 5 minutes before thermal runaway.The new standard directly stipulates that the battery will not catch fire or explode after thermal runaway, and the smoke emitted cannot harm people in the vehicle.
At the same time, new bottom impact and short circuit tests after 300 fast charging cycles have been added to verify battery stability in multiple scenarios.
The implementation time is divided into two levels. Newly applied models after July 1 must all meet the standards. Vehicles that have already obtained listing qualifications have a one-year buffer period and will not need to fully comply with the new regulations until July 1 next year.
The entire set of standards is synchronously aligned with international laws and regulations, taking into account the continued increase in the number of domestic electric vehicles, and filling the safety loopholes in daily vehicle use scenarios such as undercarriage, fast charging, and external discharge.
