With the rapid development of science and technology, new energy vehicles are becoming increasingly popular, and the power battery pack of new energy vehicles, as the core component, needs to meet waterproof requirements. Therefore, the airtightness test of new energy power battery packs is very important. Many customers consider using traditional pressure methods to solve the airtightness problem of new energy power battery packs, which is affected by factors such as volume, material, temperature, heat exchange, pressure testing, and leakage.
189-1262-8676
The principle of using atmospheric pressure helium accumulation detection method is to fill a certain pressure of helium in the detection product. If the workpiece leaks, gas will leak into the detection hood along the leakage point. The leak detector will sample gas signals from the detection hood to distinguish gas leaks from the workpiece and determine whether the workpiece is leaking. The atmospheric pressure helium accumulation detection solves the leakage test between pressure method and vacuum helium detection, that is, the test with a leakage rate between 10-2cc/s and 10-5cc/s.
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