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Operation of camera on-board harness air-tightness detector
Time:2023-05-29 Read: 1608

The car has become an indispensable means of transportation in people's life. In order to improve the safety of the car, strict requirements are put forward for all parts of the car. In order to adapt to various environments and emergencies, the protection level of the camera car needs to be improved.


The airtightness detector of the camera on-board harness only meets the requirements of the general waterproof level, which can prevent rain drops from entering, but now some cameras have begun to require the waterproof level.


Therefore, the airtightness detector of the camera car harness needs to be used in the research and development process, but the design standards for the airtightness detector of the camera car harness are different in the market. The waterproof detection standard includes the airtightness detector of the new generation camera car harness.

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The operation process of the air-tightness detector of the new camera on-board harness.


1. The force calibrator used before the test is used to calibrate the water impact force sprayed by the airtightness detector of the camera on-board harness, which is 0.9N-1.2N according to the standard. Place the force calibrator vertically under the nozzle, connect the data line at the same time, turn on the nozzle spray, and it is qualified when the impact force reaches the standard.


2. Place a sample less than 250mm, use the camera on the vehicle to test the water resistance of the sample, fix it in the middle of the turntable with a fixture, and manually adjust the turntable and nozzle of the sample until the specified distance is maintained from the sample.


3. Turn on the heating switch of the airtightness detector of the camera on-board harness, and heat the test water to about 80 ℃.


4. On the control system of the airtightness detector of the camera on-board harness, set the test time to 30 seconds (injection time of each nozzle) and the injection interval to 10 seconds. If the sample needs to be powered on for testing, turn on the sample power supply, and set the power-on time and power-off time at the same time.


5. Open the test and check the sample spraying condition through the observation window of the airtightness detector of the camera on-board harness. After the test is completed, it will automatically stop and give an alarm.


Use the airtightness detector of the camera on-board harness according to the above steps. During the test, pay attention to keep the water temperature at about 80 ℃. After the test, you need a protective device to open the door of the airtightness detector of the camera on-board harness to avoid personal injury.

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Shenzhen WENJIAN Electronics Co., Ltd

Address: 4th floor, No. 6, Shangliao Puyuwei Road, Shajing Street, Bao'an District, Shenzhen, Guangdong Province
Tel: 0755-82598337
Fax: 0755-27281825
e-mail:luowenhong@wenjiancn.com
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Luo Sheng 15007550148

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