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How does the station security inspection machine check prohibited items?

2019-12-09 13:49:18 Announcer:Shenzhen Fangji Infinite Technology Co., Ltd.
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  I believe that everyone has seen the security machine when entering the station, but many people should not know how the security machine works, what specific functions it has, how the security personnel can see the prohibited items and luggage in the luggage through the computer screen of the security machine other information. The following Fang Ji Unlimited introduces to you:


安检机设备


The working principle of x-ray security inspection machine is to use x-ray to image and inspect objects. X-rays can penetrate glass, ceramics, metals, liquids, wood, cloth and other objects. After the light penetrates, it reaches the circuit board under the conveyor belt to form a light signal, which is then converted into a computer image.

Due to different materials of various items and different degrees of penetration of x-ray, the color of the formed image will be different. Metal products such as kitchen knives, artificial guns, daggers, etc. are displayed on the computer screen of the security machine in dark blue or black. Combustible and explosive items such as hairspray and lighters have blue cans on the outside and green cans in the middle. Non-prohibited items such as backpacks and mineral water are orange.

X-rays can cause harm to the human body, but safety inspection equipment uses low-dose x-rays, which is only one fortieth of the amount of chest x-rays used in hospitals. In addition, the whole machine has adopted leakage prevention measures. The black curtain cloth above the conveyor belt of the security inspection machine is called a lead curtain and is made of a mixture of lead and rubber, which can effectively prevent x-ray leakage in the detection area. No matter the passenger or the waiter sitting next to the security machine for a long time, his body will not suffer any harm.

The security inspection machine mainly checks luggage and parcels through colors and switches. Most contraband products will appear in red, green, black and dark blue. Therefore, it is necessary to make a comprehensive judgment according to the shape. The accumulation of professional knowledge and experience is also important.

Now we all know how the station x-ray security inspection machine checks for prohibited items. In order to avoid unnecessary trouble, it is best not to carry prohibited items when passing security.

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