RFID intelligent elderly care community personnel positioning,RFID Bracelet manufacturer

　　Electronic semi-active RFID intelligent elderly care community personnel positioning security service system

　　Part I Semi-active RFID system development background

　　With the increasing trend of population aging, the elderly population is increasing, and there are many issues concerning the safety management of the elderly. And nursing homes are a very important place for the activities and life of the elderly. Therefore, the safety management of the elderly in nursing homes has become an issue of increasing concern to the society. In response to the current needs of large-scale public places such as nursing homes for personnel entry and exit management, intelligent areas, precise positioning, and help alarms, there are currently various types of solutions on the market, from the initial GPS positioning management to mobile phone positioning management In the later passive RFID and active RFID radio frequency management systems, the management level of the elderly in nursing homes has been improved to varying degrees, and the safety issues for the elderly have been effectively solved, but there are still some problems. For example, the precise positioning of the elderly needs to be located in each room, and the elderly unconsciously fall and ask for help. The above systems cannot solve the problem. In view of the existence of these problems, combined with the advantages of our company's semi-active RFID technology, our company deliberately developed this system "based on the semi-active RFID radio frequency identification technology for the elderly home personnel area location management system". This solution is also tailor-made for a nursing home in Baoshan District, Shanghai. It satisfies the functional requirements such as automated personnel entry and exit judgment management, precise positioning of personnel, regional positioning management, and alarm for falls. The system can also realize intelligent monitoring and management, personnel information management, cross-border alarm, button for help alarm, tracking and other functions. The level of safety management for the elderly has been greatly improved.

　　Part 2 General introduction of semi-active RFID system

　　One, system principle

　　The APS real-time positioning and tracking system uses RFID (electronic tag) as the most advanced identification code at present. It has the characteristics of not easy to break, reliable data, long service cycle, and long effective communication distance. It is an alternative to barcode and infrared identification. The best choice. Install it on the controlled target as the unique identifier of the target for tracking and positioning.

　　At work, managers track and locate targets through networked wireless identification base stations.

　　1) Semi-active RFID electronic tag

　　Semi-active RFID electronic tag, which integrates the advantages of active RFID electronic tag and passive RFID electronic tag, as a special marker. In normal conditions, it is in a dormant state and does not work, and does not send RFID signals to the outside world. Only when it enters the activation signal range of the low-frequency activator, the tag starts to work.

　　2) Working principle of semi-active RFID automatic identification

　　Combined with a low-frequency activator, a semi-active RFID tag, it works normally after being activated. The activation distance of the low-frequency activator is limited. It can only be accurately activated in a small distance and a small range. In this way, the low-frequency activator is used as the base point for positioning, and different base points are installed in different positions, and then used for a long distance in a large area. The reader recognizes and reads the signal, and then uploads the signal to the management center in different uploading methods. In this way, the entire process of signal collection, transmission, processing, and application is completed.

　　3) Principles of regional positioning

　　We use RFID semi-active technology for personnel area positioning management. In each monitored area, such as each room, a semi-active positioning base station is installed, which is our company's low-frequency activator. Each low-frequency activator has 4 channels. Or 6-way activation antenna, adjacent 4 or 6 rooms can share a low-frequency activator. In our positioning system, the positioning base station is the smallest base point, as the nearest base point of the positioning point, its activation tag The distance is 3-3.5 meters, that is, each tag is activated within the range of 3-3.5 meters from the activator, and its positioning accuracy can be described as 3-3.5 meters. Activators in different areas have their own unique address codes. When personnel enter the positioning base station with a semi-active low-frequency activation tag and are activated, the tag works normally and sends the ID number of the tag to the outside world and also sends out the activation tag. The address code of the activator, in this way, through the address code of the activator, we can locate the location of the tag. When the tag is taken from one activator to another location, the uploaded activator address code will also change accordingly, thus forming a complete positioning system. The data uploaded by the tag is received by a large-scale positioning base station gateway, and the information is uploaded to the management center for processing, completing the entire positioning system.

　　2. The overall structure of the system

　　1) System composition and architecture

　　The personnel area location management system based on semi-active RFID technology is composed of semi-active RFID electronic tags, semi-active low-frequency activators, readers (receivers, electronic monitoring base stations), network equipment, computers, servers and system software. The following figure shows the system architecture of a simple personnel area positioning management system:

　　Tangyuan Electronic's semi-active RFID intelligent elderly care community personnel positioning security service system

　　System network structure

　　2) Schematic diagram of system area positioning

　　Tangyuan Electronic's semi-active RFID intelligent elderly care community personnel positioning security service system

　　As shown in the above picture: through the address codes of the activators uploaded by different activated tags, the situation of the people near the different activators can be judged, including the number of people, names, positions and other information. In this way, no matter where people go, there will be a local activator to lock them to determine their specific location, and upload the information to the management center in time, and the management center will go through a series of transformations to obtain relevant results. At the same time, it also easily accomplished our established purpose, which is to manage the regional positioning of personnel.

　　3) Access control management system

　　Tangyuan Electronic's semi-active RFID intelligent elderly care community personnel positioning security service system

　　As shown in the figure above, we install a low-frequency activator for each access control that needs to be managed, and each activator leads to 2 low-frequency activation antennas, namely No. 1 antenna and No. 2 antenna, which are arranged on the outside and inside of the door. And install a 2.45G long-distance reader/writer independently developed and produced by our company next to the access control as a signal receiver. When a person wearing a semi-active RFID low-frequency activation tag enters the door, they are activated by the activation antenna No. 1 and the activation antenna No. 2, so that the system judges that the person has entered the door. On the contrary, the system recognizes that it is going out. This completes the management of the entire access control system personnel entry and exit judgment.

　　Three, the function of the system

　　Real-time deployment control area target dynamic display function:

　　1) Query and display the number, distribution and identity of targets in the controlled area at any time;

　　2) Query the current actual position of one or more controlled targets;

　　3) Multi-point sharing of information can be realized for multiple departments and leaders to view at different locations at the same time;

　　Rich map functions:

　　has the functions of zooming in, zooming out, moving, ruler distance measurement, field of view control, center movement, soil layer control, map printing, etc.

　　Forbidden zone alarm function:

　　For the designated restricted area, if there is unauthorized entry, an alarm will be issued in real time, and the target and identity of entering the restricted area will be displayed.

　　Target track query:

　　can find the path that a target has gone through in a certain period of time, and draw the line trajectory in the picture.

　　Abundant control target attendance ability:

　　It can count the goals in and out of the deployment control area, achieve the goal attendance records, and establish various information reports of the goals (such as: time report, attendance monthly report, overtime report, absence report, etc.).

　　Emergency event control:

　　Once there is an emergency, the host computer can immediately display the target number, information, location and historical situation of the site, which greatly improves the efficiency and effect of safety management.

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