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1. System background
As the trend of population aging is accelerating, the elderly population is increasing, and there are many issues concerning the safety management of the elderly. The nursing home is a very important place for the elderly to live and live. 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 , To later passiveRFID, 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 signal coverage and the precise positioning of the elderly need to be located in each area to facilitate the security inspection personnel to deal with the problem as soon as they receive the alarm, and the elderly unconsciously fall and ask for help. The above systems do not Method to resolve.
In view of the existence of these problems, our company proposes a regional location management system for nursing home personnel based on active RFID. This solution wears an active electronic wristband tag for each elderly person, so that the administrator can know the trajectory of the elderly in real time and accurately without tracking them all the time. Each label records the basic information, health status, medical history and family contact information of the elderly in the management system. Through the visual software system, it is easy to locate and view at any time and facilitate the intelligent management of elderly apartments. At the same time, it can well solve the functional requirements such as automatic identification of the entry and exit of personnel, regional positioning management of the location of community security personnel and the elderly under supervision, and fall/emergency medical assistance alarms. The system can also realize intelligent monitoring and management, personnel information management, cross-border alarm, button for help alarm, historical walking trajectory tracking and other functions. The level of safety management for the elderly has been greatly improved, and the intelligent management of apartments for the elderly has been realized.
2. System introduction
A fixed reader is installed at the door of each room and the exit of each floor, at the door of each building and at the door of the apartment, which are used to identify the wristband tag monitored by the floor of each elderly person, so that the monitoring computer on the floor (in the Monitoring room) or the administrator’s portable PDA, you can grasp the physical location and other information of the elderly. In this way, 24-hour real-time status monitoring of the elderly and administrators is realized, and the safety of the elderly is guaranteed. Our goal is to reduce the frequency of accidents and improve the management level of the apartment by improving the care of the elderly.
Put the RFID wristband tag on the elderly, and place identification tags at the door of each room and the exit of each floor, as well as the door of each building and the door of the apartment, and transmit the positioning data to the location software. The physical location of the person is It can be displayed graphically in the interface of the control software.
There is a small button on the wristband. If the elderly are in an emergency, they can press the button to notify the management staff that there is an emergency and they need help. When an elderly person presses the button, the nearby card reader can recognize it and send a signal to the control center to inform the control center of the specific location of the elderly.
The monitoring room sorts out the various activity tables of each elderly person in this period according to the mobile information of the elderly in a period of time. In addition, once an accident occurs in the apartment, the personnel at the accident site can be found immediately based on the personnel distribution information in the computer, and then special detectors can be used to further determine the location of the personnel at the accident site to help managers solve it in an accurate and rapid manner accident.
Three, system function
1) Real-time positioning
According to the RFID terminal equipment worn by the elderly, it can be located as long as it is in the community and displayed on the electronic map.
2) History tracking
The system can record the time and place passed by all personnel around the clock, track and replay the movement route of the personnel, and master the route and time of their detailed activities.
3) File management
From the first day of the elderly’s stay, the elderly’s information can be entered into the system, and the terminal assigned to the elderly has an RFID electronic tag with a unique ID number, which can be bound according to the information in the database. Managers can assign different permissions to the staff, can add, delete, modify and check the information of the elderly, edit and process the file information of the elderly at any time, and realize the whole process management of the elderly. The biggest feature is that people can be used as nodes, and can be tracked and addressed. This is also the core essence of the Internet of Things.
4) SOS alarm
The worn RFID tag has an SOS alarm function button.
5) SMS reminder
In the archive management of the elderly, the form view of the elderly contacts is established in the database. The system sets up the SMS reminder function according to the collection and processing of information, which can send SMS messages to the children and relatives of the elderly regularly, so that the elderly can understand the various life situations of the elderly .
6) Report statistics
After the elderly’s information is collected and processed, different reports can be generated according to different factors for statistics.
7) Forbidden zone alarm function
For the designated restricted area, if there is unauthorized entry, a real-time alarm will be issued, and the target and identity of the restricted area will be displayed.
Four, system characteristics
1) Geographical information display and query system based on GIS technology;
2) High recognition reliability, 100% front-end recognition rate;
3) Long recognition distance (recognition distance up to 2-100 meters adjustable);
4) Extremely high anti-collision performance (each identifying base station can simultaneously identify hundreds of moving targets at most);
5) Environmental adaptability: high anti-interference, no special requirements for interference sources and perimeter environment;
6) Installation convenience: integrated structure design, no need for external antenna;
7) Operational reliability: The internal circuit is highly integrated, and the device failure rate is minimized;
8) Ultra-low power consumption: nanowatt-level ultra-low power consumption design, RFID tags can work continuously for more than 3 years without changing the battery;
9) Convenience and safety, the label does not need an external power supply, no need to charge, no need to replace the battery;
10) High reliability
The core technology of the APS real-time positioning system currently uses a unique positioning algorithm to realize network self-awakening, self-fault tolerance, and self-healing.
11) Low operating and maintenance costs.
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