The hardware part of the security inspection machine includes: (1) X-ray generation controller (2) X-ray detector (3) data acquisition device (4) mechanical device (5) the X-ray source generator in the pictures of industrial control computer and display device should ensure that the radiation is minimized when it is very close to the operator. First, it depends on whether the brand of the X-ray source selected by the security inspection manufacturer meets the national standard, When the American Spellman ray source is used and the side of the machine is 5cm to 10cm away from the machine surface of the security inspection machine, the data detected by the staff with the handheld instrument is 0.1 μ Sv/h to 0.2 μ Sv/h, and the radiation amount of the human body for chest X-ray is about 1.1msv at a time, including 2msv for head CT, 8msv for chest CT, 10msv for abdomen CT and 10msv for pelvis CT. The radiation value of the security inspection machine is similar to that measured in the natural environment, that is to say, there is basically no radiation leakage on the side of the machine using the national standard X-ray source. Secondly, the X-ray security inspection machine must have the function of screening all suspicious hazardous substances. Necessary tools
For such a function, first of all, it depends on whether the acquisition card of the security inspection machine can collect high-definition images, so that the security inspection personnel can quickly identify dangerous goods. X-ray data acquisition system is a multi-channel data acquisition system used in the field of dual energy X-ray imaging, including detector analog signal acquisition board (hereinafter referred to as analog board, bottom left) and digital processing board (hereinafter referred to as digital board, bottom right). Each analog board has 128 detector channels, which can be used to match detectors with 1.6mm pixel spacing. Each digital board can be equipped with 32 analog boards at most, and each security inspection machine system can be equipped with 3 digital boards at most, supporting data acquisition of up to 12288 detector channel 1.
