Sockets are everywhere. There are many faults caused by the sockets not being waterproof. In severe cases, it will bring certain safety hazards. Therefore, the waterproofing of sockets will be an important quality control point.How to ensure socketsIP waterproof testQuality will be a hot topic.

Sockets generally do not need to be soaked in water for a long time, so many socket companies use IPX6, orIPX7 waterproof teststandard,IPX6 waterproof testThe standard is that when withstanding violent waves or strong water sprays, the amount of water entering the electrical appliance should not cause harmful effects, IPX7Waterproof testingThe standard is that the socket is immersed in water for a certain period of time or the water pressure is below a certain standard to ensure that no damage is caused by water intrusion.

How to perform a waterproof test on a socket?Below, Hirays Automatic Technology Co., Ltd. will introduce the process of socket waterproof testing and its important technologies using the automotive socket waterproof test as an example.

First, you need a general-purposeAir tightness detector, aliasWaterproof tester, this is an airtight waterproof leak detection equipment that uses compressed air as the detection medium.The parameters are as follows

Test pressure: -40～150Kpa

Test accuracy:±1pa

Gas source: 0.4~500Kpa

Pressure adjustment accuracy: 0.01Kpa

Working environment: temperature -20～40℃, humidity 25%～65%

Power supply: AC 220V

Test principle: pressure drop method.

Appearance of air tightness detector

Then, a sealed waterproof testing tool is made according to the shape of the car socket, and connected to the air charging interface of the air tightness tester.ConnectAir tightness leak detectorpower supply and gas source.

Set the air tightness tester again to detect the necessary parameters of the car socket, such as charging pressure, test pressure, inflation time, stabilization time, test time, etc. Then put the car socket into the sealing tooling, then start the air tightness tester, test and record the leakage value of the car socket.The parameter setting interface is marked in the figure below

Finally, conduct a waterproof test on the tested car socket, find out the maximum leakage value allowed by the IPx6 waterproof test, or IPX7 waterproof test of the car socket, and enter it into the air tightness tester.You can carry out batch waterproof testing of automobile sockets and IPx7 waterproof testing.The following is a video of the car socket waterproof test