Shanghai Aolin Sentinel Firearms Positioning Management System Solution
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1. System background
Based on actual application requirements, Shanghai Aolin Information Technology Co., Ltd. has developed an intelligent monitoring program for sentry firearms based on the current most advanced zigbee wireless transmission technology, and developed an intelligent monitoring program for sentry firearms to facilitate the intelligent monitoring and management of military sentry firearms.
The design of this system is based on: The army monitors and manages sentries who stand guard with guns, so as to prevent the following situations:
1.1 Criminals steal and snatch firearms from sentries;
1.2 Strict monitoring of soldiers to prevent the loss of firearms due to soldiers’ mistakes;
1.3 When malicious people rob firearms forcibly, they can report to the police immediately to protect the safety of soldiers and firearms.
2. System principle
The system uses wireless radio frequency technology to wear and install electronic identity tags for sentries, guns, and magazines. The tags and locators communicate through zigbee from time to time. The locator connects to the upper management computer, and the administrator can monitor the sentry, firearms, and ammunition through the upper computer. Whether the clip is in the specified sentry area, if it exceeds the sentry area, the locator will not be able to read the tag information, and the system will automatically alarm.
3. System function module
3.1 System schematic diagram:
3.2 Hardware function
3.2.1 Identity Tag
Sentinel identity tag (personnel card): The tag uses the 2.4G frequency band and has a built-in power supply. The identity tag sends a signal to the locator in real time to report the position of the sentry. The farthest identification distance of the tag can be up to 100 meters. The sentry identity tag has a two-way communication function, which sends the information of the personnel card itself to the locator in real time. There is an emergency button launching function on the personnel card. In an emergency, the sentry can actively press the button to send an emergency rescue signal, which adds a safety guarantee to the dangerous moment. At the same time, there is a buzzer function on the personnel card. A buzzing message occurs on the personnel card label to promptly remind the sentry on duty to be vigilant. A high-energy battery is used inside the personnel card to provide energy for the personnel card.
Gun tag: The tag uses the 2.4G frequency band with built-in power supply. The tag and a strong magnetic buckle are locked on the butt to prevent manual disassembly. The tag sends a signal to the locator in real time to report the location of the gun. The farthest identification distance of the tag can reach 0-100 meters, and the specific read-write distance can be modulated according to requirements.
Clip label: The label adopts 2.4G frequency band, built-in power supply, the label and strong magnetic buckle are locked on the magazine, (or stick to the side surface or bottom part of the magazine by strong adhesive) to prevent manual disassembly. The tag sends a signal to the reader in real time to report the position of the magazine. The farthest identification distance of the tag can reach 0-100 meters, and the specific read-write distance can be modulated according to requirements.
3.2.2 Locator
The locator also uses the 2.4G frequency band, with strong penetrating ability, fixed, outdoor installation, dustproof and waterproof, the locator always receives the personnel card and tag information, uploads the central base station, the base station through the network cable (TCP/IP) or The serial port (232/485) transmits data to the host computer from time to time.
3.3 Software function
3.3.1 Software advantages
This program software is independently developed and designed by our company, and is made after fully understanding the specific use requirements and doing site surveys. The system software part has the advantages of high stability and high practicability.
3.3.2 Software introduction
System database:
A database is designed in the system software platform, and the database contains the following data details: the number of the company on duty, the number of personnel on the company on duty, the specific information of each personnel, the model, specification, production date of the firearm on duty, etc., all of which can be combined with The tag link of personnel, firearms, and magazines, that is, when the system receives the ID number of the tag, the specific information corresponding to the tag can be retrieved from the database. The system can add or delete information in the database.
The system can be set according to the actual application situation:
The sentry should be sent within the range of the sentry box or the gate; the number of guns held by the sentry; the number of magazines; the number of bullets in each magazine; the system refresh frequency of tags and other information. The system can add or delete the above settings.
System workflow:
Sentinel cards, gun tags, and magazine tags are active radio frequency tags that can send data to the locator from time to time. The tags store the unique ID number, name, affiliated company, model, etc. of the person or item. After the locator uploads the central base station, the base station will transmit the received information to the upper computer through the network cable (TCP/IP) or serial port (232/485) from time to time. The upper computer uses the same hardware interface as the base station to convert and organize the data. Into a digital signal. The system will automatically derive the current day’s duty details based on the date and time, such as who should be on duty; what kind of guns should be used on duty; how many magazines should be equipped to perform duties, etc. When the system receives the tag information, it first compares it with the duty details in the database. If it does not match, the system will alarm, and then prompt the manager to check or adjust. If it is correct, the system will periodically refresh the label information according to the original refresh frequency. The information received by the system must be the sentinel card, gun label, and magazine label. If one is missing, it will be read. Alarm, remind the management personnel, the management personnel use the walkie-talkie to inform the soldiers to adjust to the correct position, or to conduct inspections. If an outsider maliciously robs a gun, the sentry can immediately press the emergency button on the personnel card, and the system will immediately receive an alarm, and will prompt the door guard or other guards to quickly support it and stop it in the first time.
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