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Sharing of waterproof test / air tightness test methods for mobile camera

As a communication consumer product, mobile phone has become a necessity in people's daily life. With the development of Optoelectronics and science and technology, mobile phone has added a variety of new functions on the basis of the original communication functions, such as digital photography, watching TV and movies, QQ / wechat chat anytime and anywhere and so on. Mobile phone camera is the main part of mobile phone that can take pictures and camera functions, With the continuous development of the mobile phone industry, the camera function of mobile phone has become one of the most concerned mobile phone performance of mobile phone users. People not only require the mobile phone camera to have high pixels and clear photos, but also hope that the mobile phone camera has waterproof function. Even in the humid environment and even near the water area, people can use the mobile phone to take photos fearlessly. In this way, mobile phone manufacturers need to test the waterproof of the camera on the mobile phone shell when they produce mobile phones/Air tightness test


Figure: mobile phone case test instrument + tooling
Although the existing mobile phone camera has various functions, it generally does not have waterproof function. The camera is scratched or stained with fingerprints and dust due to lack of protection, which greatly affects the shooting effect, and if the camera is filled with water, it will cause the camera to be very unclear.
I remember a friend who had a child less than one year old at home and would explore everything with his mouth. At that time, I took my friend's mobile phone camera as a toy and licked it with my mouth. Later, saliva entered into the camera, which made the camera unable to shoot normally; Now many mobile phone manufacturers have launched waterproof mobile phones, and the camera on the mobile phone also has the waterproof function, so it is necessary to carry out waterproof detection or IP67 detection for each mobile phone camera. This time, Harris technology will share the air tightness test method and test steps of mobile camera.
From the appearance of the product, we can see that the mobile phone camera is on the back of the mobile phone shell, and the area is relatively small. We can use the method of directly sealing around the camera and directly inflating this place for detection. This method of direct inflation is called direct detection. If it is necessary to make a mold for the product, the method of testing the tightness of the product by inflating the mold is called indirect detection. There are positive and negative pressure options and 8 test modes, which can be selected singly or combined. It can meet the needs of most manufacturers for air tightness test.
Photo: testing mobile phone case
According to the test requirements of customers, the waterproof grade of this mobile phone camera is IP67, and we use 12kpa pressure for detection. Because the product tested is relatively small, it can be detected quickly. So the total time is 9s. The test is completed in the middle of the test, and the hermetic tester can complete the test quickly and accurately.
Photo: mobile phone case test details
Advantages of using Hermes air tightness testing instrument:
Figure: tester
1. High sensitivity pressure sensing and regulating unit, combined with advanced differential pressure software algorithm, the minimum resolution can reach 0.1pA, which has won the national patent
2. The patented technology of "IVT pneumatic sealing valve island" independently developed by Harris greatly improves the test accuracy, ensures the stability of the instrument, and greatly improves the inflation speed.
3. Multiple test functions: the instrument integrates two positive and negative pressure forms and eight test methods: two pressure forms and five test methods can be written into more than 20 test functions.
4. It has more than 200 groups of subroutines. Each group of subroutines can be programmed independently, selected and combined to meet various complex test requirements
5. Full touch large screen intelligent operating system, graphical UI design based on detection process, simple and clear operation interface, easy to teach and learn
6. A variety of pressure regulating components and ranges are available. Wide range of air pressure (- 80kPa & amp; mdash; 1MPa) optional. Multi group pressure sequence test can be realized by selecting electronic pressure regulating valve
7. Multiple communication interfaces: built in RS232 serial port, RJ45 network port, USB communication interface, LTP external I / O control port, supporting a variety of communication protocols
8. Bar code scanning function and printer can be purchased to facilitate product data management and quality traceability. Up to 200000 historical records of the instrument can be exported to the computer in batches
9. The standard volume identification function can automatically identify the volume of the sample to be tested, and measure and judge the leakage rate in the way of volume.
10. Ultra high stability, and ease of use, after a rigorous test of the market.
Hermes technology has been specializing in the production of air tightness detector for 11 years. It has tested products from all walks of life with exquisite technology and mature cases. It provides one-stop air tightness detection service. For manufacturers who need air tightness detector, please call Hermes technology.
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