Battery pack safety test

Continuous vibration test for 21 hours
In the daily car, inevitably through some bumpy road, battery vibration may lead to poor quality battery products fixed, loose parts, and even shell rupture finally lead to safety failure and other situations.

So we need to simulate the impact of vehicle vibration on the battery pack. The shaking table is used to simulate the bumpy road conditions that the battery pack will encounter in actual use, the environment box is used to provide different temperature environments, and the charge and discharge machine is used to provide the actual working conditions of the charge and discharge. These three parts constitute the vibration test system with temperature and load, which simulates the real situation of the vehicle in use.

A 20-ton shaking table in the Ningder-era was designed to simulate the bumpy road conditions the battery pack would encounter in real use, but the vibration was much stronger than the actual road conditions. In the test, the battery pack was vibrated 200 times a second and the core module was vibrated 2,000 times a second. More stringent is that the battery pack needs to continuously vibrate at random for 21 hours under the environmental conditions of -30℃ to 60℃, which can equivalent simulate the fatigue condition of hundreds of thousands of kilometers.