Publish Time: 2022-04-26 Origin: Site
How can we choose the suitable Walk through metal detector we need?
Metal detection security gates are mainly used in airports, stations, large conferences and other public places with large crowds to check hidden metal objects on people's bodies, such as guns, controlled knives, etc.
What are the regulations for Walk through metal detector?
How does the Walk through metal detector work?
How to choose a Walk through metal detector with a high level of security functions?
What are the regulations for Walk through metal detector?
1. Queue to pass through the Walk through metal detector in turn, not crowded or deliberately slow.
2. When the Walk through metal detector does not alarm, the first person walks out of the door and the second person can pass; when the alarm sounds, it can only pass after the alarm sound stops.
3. Do not collide with the door body when passing through.
4. No person carrying metal objects can pass through the outside of the door panel.
How does the Walk through metal detector work?
The principle of Walk through metal detector is to generate a 3.5-4.95M sinusoidal oscillation by a crystal oscillator, which is divided into a 7.6K sine wave by a frequency divider. After power amplification by a triode and a coil, it is input to the large coil of the door panel (7 areas) for electromagnetic wave emission. The coils in Zones 1-6 in the door are respectively received. After receiving, the received signal is compared with the reference signal. After the change is found, the output level of the capture card is changed. The CPU scans the data of the capture card in 6 locations within 280 milliseconds to determine the location of the metal and output the display.
2. Structure 1. Door panel structure: It consists of 1 large coil, 6 small coils, compensation coils and graphite. 2. Chassis structure Security door
3. Workflow during detection CPU detection→a group of infrared is blocked→check whether the data of each acquisition card changes→alarm→detect another group of infrared→reset and re-detect.
How to choose a Walk through metal detector with a high level of security functions?
The demand for the Walk through metal detector to have a high degree of security inspection includes the following factors:
(1) The uniformity of the magnetic field is the key to 100% detection rate;
(2) The security inspection and search force must be sufficient to detect any hazardous metal objects, regardless of their approaching location and angle;
(3) The security inspection and search force must be sufficient to detect personnel passing through and being inspected at any speed;
(4)to have the ability to detect ferrous metals and non-ferrous metals at the same time.
Shanghai Eastimage Equipment Co., Ltd has been concentrating on the production and development of Walk through metal detector for several years and has always put customer needs first. Here you can select the Walk through metal detector that suits you.