A smart watch is a watch that has information processing capabilities and meets the basic technical requirements of a watch.In addition to indicating time, smart watches should also have one or more functions such as reminder, navigation, calibration, monitoring, and interaction. Due to the particularity and precision of its structure, people have higher requirements for its air tightness. For manufacturers, its high air tightness is conducive to production safety. For consumers, good air tightness of smart watches is conducive to ensuring its accuracy during use.Therefore, its air tightness testing is very important.

This time, Hirays Technology will share a smart watch air tightness detection case for your reference, hoping it will be helpful to everyone.

Air tightness detector for smart watches

1. Display of appearance and detection difficulties of smart watches

1. The shape of the smart watch is quadrilateral, with a smooth display area on the surface. The components on the back are wrapped with waterproof materials, and the overall sealing degree is high;

2. Such a shape has a high degree of sealing and precision. It cannot be directly filled with gas during inspection, and it is easy to cause damage to the interior of the smart watch, so non-destructive testing is required.

2. Breakthrough in detection difficulties of smart watches

Air tightness testing mold tooling for smart watches

1. For the special appearance of the smart watch, Hirays Technology has a specially customized tooling mold. Since this smart watch has strong sealing, you only need to put it into the mold when starting the inspection. The groove inside the mold is customized according to the volume of the smart watch. When it is put in, it locks just right. In this way, during the inspection, the upper and lower parts of the mold will be closed to form a closed space;

Detailed display of air tightness detection of smart watches

2. When the instrument is started, the instrument will inflate the airtight mold through the upper device. At the same time, the air pressure of the instrument will slowly rise. When the air pressure reaches the set value, the inside of the mold will be in a constant state. At this time, the induction line will determine the flow value to detect whether the flow rate of the exhaust pipe meets the standard.

2. Demonstration of the air tightness testing process of smart watches

Demonstration of the air tightness testing process of smart watches

1. We first put the smart watch into the tooling mold and clamp it, and connect it to our instrument. There is a valve island, a gas tank and other components inside the instrument as well as the program we have set. After the connection, press the start button when testing the wire.

2. During the test, the instrument will inflate the inside of the wire through the catheter.If the air tightness of the smart watch is not good and air leakage occurs, the leakage value displayed in the instrument will become larger and larger, and the pressure value will decrease at the same time.At this time, it can be determined whether the smart watch is leaking, and the instrument test result will also show NG, which means the air tightness test failed.If the tested smart watch does not leak, the gas in the tooling mold will be in a constant state after inflation. The pressure value and leakage value displayed on the instrument are also stable. The instrument test result will display OK, indicating that the air tightness test has passed.

4. Air tightness testing instrument parameters of smart watches

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