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1. Background Introduction
1.1. System application background
The current alarm system for firearms on duty has become increasingly complicated in the social environment around the army, and unsafe factors have increased. Issues such as attacks on guards on duty, gun robbery, and unauthorized departure from posts have occurred from time to time. On March 19, 2009, a sentry on duty in Chongqing was shot dead by local criminals and snatched an automatic rifle, causing serious harm to the army and society. To do the software, call Yiwu, one, three, three, and four. In order to strengthen precautions and ensure the safety of important military targets, sentries and guns, combined with the actual situation of the troops, the system has developed an alarm system for firearms on duty. The system has the advantages of simple operation, convenient use, reasonable configuration, strong pertinence, stable operation and so on. Firearms on duty off-position alarm is a multifunctional real-time control platform used to monitor and manage sentries and firearms on duty. It has functions such as real-time discrimination and alert alarm. The system is advanced in technology, intelligent and networked, and can be implemented with military networks. Seamless access.
The system is widely used in military units, armed police, border checkpoints and other duty units, and can be directly installed on guns. It is mainly used for troops, prisons, national defense, military districts, armed police, border checkpoints and other places where guns need to be controlled. It is convenient for management personnel to control firearms on duty. To manage.
(1) The product is a self-developed domestic high-tech product with independent intellectual property rights and its own technical standard system, which fills the domestic gap and has no hidden technical safety hazards.
(2) The product can adapt to various installation and use environments.
(3) The product can identify multiple targets at the same time, and is especially suitable for the management of personnel, vehicles and logistics materials in and out of the army.
(4) There is no harm to human body caused by electromagnetic pollution.
(5) System products have become “super-intelligent”, with extremely low technical requirements for users, and have realized simple and adjustable functions.
(6) The performance is stable, the price is cheap, and it is convenient to connect to the network in the system.
(7) Technical support is convenient and fast.
The realization of the above-mentioned technological products will surely have a profound impact on the military’s informatization construction and the strategic goal of “strengthening the army with science and technology.”
2. Product features and system superiority
2.1. The radio frequency identification card is tailor-made for Type 95 rifles: The semi-active tag in the gun out-of-position alarm system designed by our company is the same size as the sub-storage of the actual Type 95 automatic rifle, which can be easily installed or removed. 2.2. Radio frequency identification card anti-disassembly alarm: in the case of arming, if someone takes out the active identification card in the secondary product warehouse, the alarm system will be activated to release the disassembly.
2.3. Trigger distance is precisely controllable: This system uses 125K trigger to activate 2.45G active radio frequency tags. The application of 125K microwave makes it resistant to human body interference and anti-metal interference of the gun itself.
3. Product system composition
3.1. Card reader: 2.45g active directional card reader (see the directional card reader manual for specific parameters), which plays the role of “monitoring” guns in this system.
3.2. Active card: tailor-made according to the accessory compartment of the 95-type automatic rifle, easy to disassemble and prevent disassembly and alarm.
3.1. 125K low-frequency (triggered) exciter: The exciter draws a circle with the exciter radius extremely accurate. The electronic tag in the exciter area will send the ID address of the exciter to the remote card reader via 2.4G. In this way, the state of the firearm (that is, whether it is inside the guard post) can be distinguished.
System diagram:
Four, instructions for use
The two-core line of the exciter is the power line, 12v DC power supply, the red is +12v, the black is GND (the exciter only needs power supply), and the three-core line is the antenna interface. Two antennas can be installed as needed (centered on the antenna) The spherical shape with a radius of 4 meters is the excitation range). The red and black of the card reader is the power line, which uses 12v DC power supply, 12v DC power supply, red is +12v, blue and white lines are relay switches, which are connected to the alarm host.
Five, the actual use of the legend
2.45G long-distance card reader chooses top-mounted according to the sentry box environment (receive label data downward);
The alarm is installed in the area where the alarm needs to be notified (control room), using AC 220V or DC12V power supply;
The label is installed on the butt of the gun (it can be changed depending on the model of the gun).
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