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Lights And Security

Leak Testing of HD Network Camera

2018-12-24

Testing principle

Hairuisi sealing tester is a new ,high precision and non-destructive air leak tester .Our air leak tester adopts pressure principle and uses compressed air as the medium to detect leaks. It is a non-destructive testing instrument. The working principle is to apply a certain pressure to the inner cavity or outside of the product to be tested, then close the valve. After a period of stability, measure the change of the air pressure during the detection period and calculate the leakage amount by our precision sensor.This instrument is widely used in the sealing test of open products or sealed products with its high precision and full-featured features.

High-definition network cameras belong to security monitoring equipment, if the product is lack of waterproof design, leading to internal water intake, circuit boards will be easily burned, and ultimately the camera will not work properly, so the overall waterproof testing of high-definition network cameras is also essential.
The Hairuisi technology will bring you HD network camera waterproof test solutions. We hope that our case will inspire manufacturers to improve the waterproofing and waterproofing process of testing equipment .

Below is the related content of the solution . 

♦Product description

Above is the HD network camera that Hairuisi Technology is going to test. We can see that the camera is a sealed box shape design .There are no air holes in the product, so we need to make a mould for the product. The wire part of the testing product is not waterproof, so make a slot and put the wire part outside of the mold .This is also a major difficulty in the inspection program, which involves eliminating the influence of the wire on the overall waterproof detection of the camera. 

There are two transparent lenses on the camera. The lens is easy to be scratched during the inspection, so our mold needs some protection.


 

 

♦Testing requirements 

(1) HD network cameras are easy to break devices, and we can't damage the camera's shape and lens when testing.

(2) The wire is not waterproof ,reduce the effection of  the wire on the overall waterproof detection of HD network cameras

(3) Waterproof grade is IPX7 .we use 12KPA as testing pressure and the maximum leakage is 0.03kpa .

HD network camera air tightness testing system is divided into three parts: tester, air source, tooling. Because the tester, air source and tooling are self-contained, they cooperate with each other in the detection, but they do not affect each other, which improves the accuracy of  seal detection. If matched with different tooling, different types and sizes of products can also be detected, and the applicability of the equipment is high. The following is the actual picture of the air tightness detector.

 

♦Testing process 

According to customer's requirements and product features .set the testing parameters on the screen .Press the start button of the tester .

After startup of the tester, the upper and lower moulds will be closed, and then the air source will be inflated into the mould of the high-definition network camera. The precise pressure sensor senses the change of the pressure in the mould, and transmits the change of the pressure to the detection system and displays it. Finally, the leakage value of the air can be obtained through a series of calculations, according to the leakage value. Detection of high-definition network cameras and IP waterproof level, the following is the detection details.



The above content comes from Hairuisi Technology. Reproduction, plagiarism and pseudo-originality are strictly prohibited. Once found, the consequences are at your own risk.

 

 

 


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