With the improvement of people's living standards, cars have become people's daily means of transportation.Because of the rise in fuel prices and the country's increasing awareness of environmental protection, people are increasingly favoring pure electric vehicles and hybrid vehicles.The power source of new energy electric vehicles is electricity, not oil, so new energy electric vehicles are equipped with car chargers.Connect the car charging head to the external car charging gun to charge the car.Normally, cars are charged in the open air, and it is inevitable to encounter rain and snow during charging.Therefore, new energy car chargers need to be waterproof, and the waterproof level of car chargers generally needs to be IP67 or IP68.Haris has tested many new energy vehicle accessories, including new energy vehicle charging guns and new energy battery packs.This time Hai Ruisi will show youWaterproof test of new energy vehicle charging headSteps and methods.

The new energy vehicle charging head is composed of two parts, one is a male head and the other is a female head. The customer needs to check whether the new energy vehicle charging head can be completely sealed when connected together.Judging from the appearance of the product, the product is an irregular rectangular parallelepiped, and the product does not have any inflation holes, soHairis TechnologyOur engineers made a copy mold for the product. There is a charging line at each end of the charging head. These two lines do not need to be tested for waterproofing.Hairis TechnologyTwo wire troughs were made at both ends of the mold. It is difficult to seal the wire troughs. If the sealing is not tight, the results of the test product will be inaccurate.Therefore, when we were testing the sealing performance of this wire, after many experiments and debugging, we ensured that the wire trough could be completely sealed.

According to customer requirements, the waterproof level of the new energy vehicle charging head tested this time is IP67, the test pressure is 50KPA, and the leakage limit does not exceed 0.5KPA. The air intake time is 5S, the voltage stabilization time is 3S, and the test time is 8S.Because the product is relatively large, the test time should be appropriately extended according to the product.The testing time of the entire product is 16S.

Test process

Connect the air tightness test fixture and the Hairis air tightness detector through the air source, and connect the instrument to the power supply.Set corresponding test parameters according to customer requirements and product characteristics.Put in a product we have prepared in advance that has no leakage at all and test whether the result is OK. Then put in a product with a slight leakage and test whether the result is a defective product.This step is the verification phase.If the product test results are consistent with the actual situation of the product, you can start testing the sealing performance of other products.After product testing, our leak detection system automatically distinguishes between good and defective products.And we can add scanners to our system to track the number of defective products and pave the way for the next step of quality tracking.

The picture below shows the complete Hairis air tightness testing system.Including our air tightness tester, air tightness testing fixtures and molds, as well as the necessary testing medium - air source.

For more than 10 years, Hairis has been providing free product testing solutions to customers, and relying on its increasingly rich experience to provide customers with valuable sealing advice, supporting key materials or testing resources during the design, trial production, mass production and other stages, enabling customers to shorten the verification cycle and avoid detours; quickly and with high quality according to customer requirementsWe provide one-stop service delivery and some humanized function customization in large quantities, as well as 24 hours outside the province and 8 hours efficient after-sales service within the province, which have been unanimously recognized by customers; Hairuisi's products serve many companies domestically, and are also exported to more than 50 countries overseas, and have achieved an excellent reputation in all walks of life.

If you are interested inHairis air tightness testing equipmentIf interested, please callHairis Technology。