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The company relies on the world’s top radio frequency electronic technology experts to integrate the world’s most advanced low-frequency trigger technology, antenna technology, optical communication technology, embedded technology, industrial Ethernet transmission technology, database processing technology, computer software technology, geographic information system technology, Internet technology and other multi-disciplinary comprehensive research topics have been developed and constructed this set of networked prisons’ intelligent management and safety protection system. The personal information in the information system is truly associated with the individuals in reality to realize real-time tracking and alarming. Only in this way can the prison management be informatized, intelligent, and standardized in a true sense, and “require police force from science and technology”.
In the new era and new stage, it has become a trend to transform the prison’s management mode for reform personnel and improve the level of prison information.
1. Introduction to the system
RFID is a communication technology that can identify specific targets and read and write related data through radio signals without the need to establish mechanical or optical contact between the identification system and specific targets. Therefore, RFID is a non-contact automatic identification technology, which can quickly read and write, and long-term tracking management, so it is widely favored in the field of intelligent identification. At the same time, with the rapid development of the Internet of Things technology in my country, RFID technology, as the supporting technology of the Internet of Things, is considered to be one of the promising information technologies.In the next few years, more products will be plantedRFIDThe application of tags and RFID technology will be quite extensive.
Location service is a technology that is very popular and valued by people. At present, the well-known positioning service is GPS (Global Positioning System), as well as our country’s Beidou positioning system; and more and more other wireless network technologies have also begun to enter the field of positioning services, such as GSM mobile phone positioning, Wi-Fi positioning, RFID positioning, ZigBee positioning, Bluetooth positioning, etc. The widespread use of RFID technology in the Internet of Things makes RFID positioning already have great advantages in indoor and other specific areas.
The RFID intelligent positioning system is a regional positioning system that uses high-frequency 2.4G and low-frequency 125K RFID technology to automatically identify people and objects and localize them to realize the management of people and objects, such as: personnel Attendance, personnel and item search, personnel and item area limitation, personnel statistics, video linkage, historical track query, key area management, etc.
The activation antenna is connected to the dual-frequency base station through a two-core shielded wire. The activation antenna is mainly installed in the entrance and exit area to assist access judgment and positioning. The activation antenna is divided into two types: ground-sensing antenna and rod antenna.
2. Positioning system software composition
The RFID intelligent positioning system adopts cloud computing technology. Through the design of cloud computing, a large amount of data processing can be completed by multiple servers, avoiding the computational pressure caused by processing all data by a single server. The positioning system software is controlled by
2. Positioning system function and screenshots of front-end software system
1.1. Client login interface
1.2. The main interface of the system
This interface diagram can be replaced by the user
Personnel control
1) Real-time positioning of personnel area
It can locate the area of the person wearing the location tag in real time and display it on the map of the monitoring terminal
2) Regional staff statistics and electronic roll call
Count the number of attendance and actual attendance in each area, as well as the actual attendance in a specific area, and compare it with the expected attendance to determine whether the attendance is complete. And display the name of the absent person.
3) Personnel search
At the monitoring terminal, you can enter the person’s name or tag number to find the current location of the designated person’s location, and at the same time pop up a video of the person’s location.
4) Disappearing warning
It can focus on monitoring certain tags, and the system will find corresponding alarms when these tags leave the designated area or are cleared.
5) Alarm for crossing borders and leaving
Some areas are important areas, and an alarm message will be issued if unauthorized persons enter. It can also be set in some areas that certain personnel are not allowed to leave within a set time, if they leave or disappear, the system alarms.
6) Alarm for too long detention time
Some specific areas can be set, and the persons to be located cannot enter these areas for more than the specified time, and the system will alarm if the time exceeds the specified time.
7) Track playback
You can query the movement trajectory of a certain label in a specified time period, and which areas the label has been to during this time period, and generate a report on the trajectory.
8) Video linkage
A camera can be bound to each positioning device, and the video of the area where the positioning device is located can be called by clicking the map of the positioning device on the map of the monitoring terminal. When there is a specific alarm, the system will automatically call up the video of the area where the alarm occurred.
9) Electronic label failure alarm
The failure of the electronic tag mainly refers to the low voltage of the tag battery; as long as the wristband worn on the person’s hand is taken off, the system will prompt an alarm; whether it is cut or removed with a tool, the system will give an alarm. The system will also prompt when the battery voltage of the label is too low, and the battery needs to be replaced as soon as possible.
10) Staff call for help
There are function buttons on the card positioning label. When a person is in danger or needs help in a situation, he only needs to press the function button. The system will display the location of the help and call out the nearby camera video.
11) Temporary authorization of personnel
When a person needs to temporarily enter or leave an important area, he can be temporarily authorized in the system to allow him to enter the important area or leave the work area for a certain period of time.
For example, if the superintendent wants to talk to Zhang Tian, the system can temporarily authorize Zhang San to enter the superintendent’s office for 15 minutes or more.
12) Itinerary
Personnel schedules can be arranged in advance, such as: Zhang San must work in the workshop at 8:11 in the morning, in the cafeteria between 11:30 and 12, and in the prison from 7 in the evening to 7:30 the next day. If at 9 o’clock, Zhang San left the workshop without authorization and appeared in the cafeteria. The system will warn: Zhang San illegally left the workshop and entered the canteen.
13) Patrol arrangements
The designated personnel can be arranged to patrol the designated places according to the time period. If the designated personnel do not patrol the designated places within the designated time, the system will alarm. And save the daily patrol records in the record for easy query in the future.
14) All-in-one card
The electronic tamper-resistant wristband (tag) has a built-in non-contact card chip. The prison guard card can realize access control, electronic door lock, inspection, attendance and internal consumption functions. The electronic wristband of detainees can realize functions such as dining and internal consumption, and can flexibly configure and manage functions.
For the above problems, Shanghai Renwei Electronic Technology Co., Ltd. has developed a set of RFID intelligent positioning system using advanced Internet of Things technology. As my country’s key development of strategic emerging industries, the Internet of Things, in addition to social applications, also has important applications and broad development prospects in the field of prisons.
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