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Example sharing of using waterproof tester to test water purifier motor

Water purifier is one of the basic daily necessities in modern families. Consumers have high requirements for its performance. It should not only have the function of deep filtration and purification of water quality, but also its waterproof property is one of the key points for people to choose. Among them, the water-proof of the water purifier motor is also the focus of consumers and producers. In order to ensure the water purifier motor to drive the water purifier, manufacturers will use water-proof materials for special treatment during production. However, it is far from enough to only protect the materials.


In order to ensure the water repellency of the water purifier motor, manufacturers will test its water repellency during assembly. As an expert of water repellency test, Harris technology also focuses on the water repellency test of the water purifier motor. This time we will share a water purifier motor waterproof test case for your reference.

Hiris technology water purifier motor waterproof tester

1、 Appearance display of water purifier motor;

The test is an ordinary water purifier motor, which is an irregular shape polygon, with a raised hollow connector on the head, a cylindrical raised on the top of the motor, and wire connecting other components on the tail. Such a shape is not conducive to the waterproof test of tooling, and it is easy to produce the deviation of test results due to air leakage.

2、 Breakthrough of water resistance test difficulty of automatic water purifier;

1. According to the special shape of the motor, Harris has specially customized a special tooling die for it. The die is divided into two parts. The left part is used to fix the motor. The protruding parts around the motor can make the motor stand up. There is a special groove on the back of this part of the tooling to place the tail wire, which can place the wire outside the die;

2. The mold on the other side of the instrument is used to fill the gas inside the motor. Because there are two convex connecting parts on the top and front of the motor, the outside of the motor itself is in a sealed state. During the detection, the upper and left mold tubes will automatically clip into the connecting part of the front end for gas filling and fixation, and then fill the gas inside the motor through the tubes;

3. During the test, the instrument will inflate the mold. If the wire connector is not sealed and air leakage occurs, the leakage value in the instrument will display more and more data, and the pressure value will drop. At this time, it can determine whether the wire connector leaks, and the instrument test results will also show ng, which means that the air tightness test does not pass. If the tested wire connector does not leak, the gas in the tooling die will be in a constant state after inflation, the pressure value and leakage value displayed on the instrument are also stable, and the test result of the instrument will display "OK", indicating that the air tightness test has passed.

3、 Parameters of automatic water purifier waterproof tester

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