How to identify six recognition methods for CCD board
How to identify six recognition methods for CCD board 2, look at the image of the CCD board, it is best to use the color card, check the color to see if there is a color cast phenomenon, see if the plant sees the white wall is motley, whether the fluorescent lamp can receive light, must be tested one by one. 3, look at sharpness, transparency, the simple method is the camera facing the edge of the window, the edge of the wall, the edge of the table, to see if the sawtooth is even and clear, the more uniform the more clear and more OK. 4, look at the current, the CCD board on the market now because of the power supply scheme is not the same, there are big differences, such as Shenzhen Feilong Vision CCD board machine, using a wide voltage 6.8-16V design, to solve the small line caused by engineering construction wiring The pressure drop caused by the line length, many people do not know the root cause of the image during the day, the actual reason is that the CCD board can not withstand low voltage, the market common CCD board is 9-13V. 5, to see if there is lightning protection, anti-static, anti-surge protection circuit, generally on the CCD board machine by 2 protection diodes to undertake this work, but 90 manufacturers have saved, no way, the trick in front of profit what. 6, the daytime effect test is not enough, it is the turn of the test night illumination, in the environment of 5LUX at night, to see if the noise is even, whether it is too small, whether there is moire interference, and finally installed infrared light, Detecting infrared sensitivity, as far as the standard is concerned, the country can't figure it out now. The best way is to compare. If you have used the CCD board of Shenzhen Feilong Weishi, you will find that the daytime effect is very good, the illumination is better at night, and the more powerful is the wide voltage, lightning protection, anti-surge design, it is worth everyone.
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1. Monitor the CCD board as the core component of the surveillance camera. His success or failure determines the fate of a camera. Don't look at the board is small, but the circuit is complicated. Many small and medium-sized camera manufacturers can't play basically. They only buy other people's CCD board to assemble themselves. Processing. Therefore, the first article to see whether the CCD board manufacturers have technical strength, camera production experience, everyone can feel trust after field visits, and such a business cooperation is more practical.