Vehicle-mounted cameras are used to present images in real time. They can provide a more scientific basis for the handling and positioning of traffic accidents, fully ensuring the safety of our property and lives.CCD and CMOS chips are important components of reversing cameras. Generally, car cameras must be waterproof, so consumers have particularly high requirements for their air tightness.If its airtightness is not good, it is easy for water vapor to enter under special weather conditions and cause malfunctions, resulting in damage to the internal chip of the car camera and making the car camera unusable.

Hairis Technology has also done in-depth research on the air tightness of vehicle cameras and has achieved good results. So this time we will share a case of air tightness testing of vehicle cameras for your reference. We hope it can be helpful to you.

Air tightness detector for vehicle cameras

1. Appearance of vehicle camera and display of detection difficulties

1. The vehicle-mounted camera tested this time is a relatively common style. It is small in size and has an irregular shape as a whole. The surface is wrapped with a black waterproof shell material. The surface of the camera is smooth. The front end is a lens made of a round mirror, and a long black wire is connected to the back;

car camera

2. The surface of the camera has a high degree of sealing, with no obvious joint gaps and no inflation ports. With this shape, it is impossible to use the detection method of directly injecting gas into the interior, and the wire connected behind the camera is long, which may easily lead to difficulty in fixing the camera during detection, resulting in deviations in the detection results.

2. Breakthrough in detection difficulties of vehicle-mounted cameras

1. Before inspection, Hairis Technology will customize a mold tooling according to the shape of the vehicle camera. In order to better fix the two ends of the connector, there are special grooves on the mold according to the shape, diameter, size, and the place to be inspected of the wire. The wire behind the camera can be placed on the groove and hang outside the mold;

Air tightness detection tooling for vehicle cameras

2. Put the vehicle camera into the tooling mold and connect it to our instrument. There is a valve island, gas tank and other components inside the instrument as well as the program we have set. After the connection, press the start button when detecting the wire.

Detailed display of air tightness inspection work for vehicle cameras

3. During testing, the instrument will inflate the mold.If the vehicle camera is not sealed 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 vehicle camera is leaking air, and the instrument test result will also show NG, which means the air tightness test failed.If the tested vehicle camera does not leak, the gas in the tooling mold will be in a constant state after inflation, and the pressure value and leakage value displayed on the instrument will also be stable. The instrument test result will display OK, indicating that the air tightness test has passed.

three,Car camera air tightness detector parameter table

(Hairuisi HC classic series air tightness detector parameters)

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