Introduction of security gate

The security door is the detection of whether the person carries the metal object detection device, also known as the metal detection door. When the inspected person passes through the security door and the metal carried by the human body exceeds the preset parameter value set according to the weight, quantity or shape, the security door immediately alarms and displays the metal position that caused the alarm, so that the security personnel can find the metal carried by the person in time. object.

　　 The prices of precious metals such as copper, aluminum, tin, nickel and other raw materials have risen sharply, and manufacturing companies in related industries such as hardware, electroplating, electrical appliances, wire and cable, and mechanical casting have emerged. The cost of finished products, semi-finished products and spare parts is rising steadily. Due to the high price of these precious metals and many recycling points, some malicious employees have the opportunity to prevent the loss of precious metals from the company. Enterprises strive to prevent and reduce the loss of metal materials. Practice has proved that the application of security inspection doors in factories is scientific, objective and humanized, and effectively plays a preventive and deterrent role. This is because the security door has the characteristics of high detection accuracy, strong adaptability, strong objectivity, no interference from human factors, no personal search, respect for employees, fast speed, and convenient operation.

　　 Public service places, discos, song and dance halls, public security law: improve our security.

　　 In these workplaces, there are a large number of people, and there are often some criminals who carry knives, guns and other items while waiting for the opportunity to commit crimes, causing huge casualties and property economic losses to the company. To the social environment caused a very bad negative impact factors. In order for us to be able to put an end to such terrorist incidents continue to occur, scientific management with science and technology can be effective information resources management research and analysis tools is imperative. The security gate is one of its effective tool research methods, it has been widely used in the airport and other important management education and teaching facilities, used to prevent terrorist attacks, is after a long period of practical activities to test the significance of proven effective security tool technology.

　　 The principle of the security check door is that the crystal oscillator generates a sine oscillation of 3.5-4.95M, which is divided by a frequency divider to a sine wave of about 7.8K K. After the design power of the management system is continuously amplified between the tube and the coil, it can be input to the large coil of the door panel (area 7) for analysis and research. It is found that electromagnetic wave emission is developed by the coils of area 1-6 in the door respectively, which requires students to receive data and information technology. After receiving, the problems of the received signal and the reference selection signal are analyzed and compared, and the output control level of the acquisition card is changed after these changes are found. The CPU scans the data technology of 6 position acquisition cards within 300 milliseconds, judges the location of the city where the Chinese metal enterprise is located, and outputs the result.

　　 Any electronic technology product has a certain amount of electromagnetic radiation. There's still a lot of electromagnetic radiation around us. Such as radio, TV station, mobile network phone signal transmission tower, high voltage control line, computer, TV, microwave oven, electric induction furnace, mobile phone, etc.

　　 Compared with these electronic products, the electromagnetic radiation of the security door is very small. The reason is that the security door is a weak magnetic field induction technology, the power is very small. This is many times less energy than a phone call! Less radiation than a computer monitor.