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1. Project background
1.1 Status analysis
Newborn babies are born in the hospital every day. This new life is the most valuable asset for every family and parents. However, the newborn babies have similar appearance characteristics and lack the language and understanding ability to communicate with the outside world. According to the statistical report of the medical department, incidents of miscarrying and stolen babies in maternity hospitals occur from time to time. These incidents not only cause serious trauma to the person’s mind, but also damage the reputation of the hospital, and even face lawsuits and financial compensation. The baby identification and anti-theft system of Suzhou Xinhui IOT Technology Co., Ltd. is safe and reliable. It not only has comprehensive area monitoring, including real-time location and tracking functions of tags and regional location of events, but also has a fast response speed to alarm events. Therefore, in terms of newborn management, the hospital can not only monitor the location of the baby wearing the anti-theft tag in real time, track and record the baby’s movement, which can more effectively implement monitoring and protection, and when an alarm event occurs, it can also immediately locate the event. The location of the occurrence can prevent the occurrence of theft in time, thereby helping to protect the safety of the newborn and prevent the baby from being held by mistake or being stolen.
1.2 System significance
-Real-time supervision and management of the newborn babies in the hospital (the information center can view the position information of the newborn babies, the number of babies, any baby information in the delivery room, the dynamic changes of the babies, the baby’s stolen alarm information, the baby’s out of fixed area alarm information, etc.) in real time.
-Active early warning, solve the problem of lagging accidents, expose the hidden dangers of accidents in advance, and avoid accidents;
-Sudden scenes reappear, the Internet of Things technology and existing video linkage can view the scene of the accident in real time, providing a basis for the deployment of relevant doctors to solve the emergency;
-Reduce the workload of the hospital nurse doctor’s management and improve work efficiency.
-Improve the informatization level of the hospital, promote the institutionalization, standardization and real-time development of the hospital’s infant management work, and ensure the safety and stability of the delivery room.
2. System design
2.1 Construction principles
The system development and construction follow the following principles:
Pay attention to overall planning:
The neonatal anti-theft system based on semi-active RFID technology consists of three parts: First, look at the core hardware of the neonatal anti-theft system based on semi-active RFID technology (including: babyWristband, Industrial-grade readers, directional readers, 125K low-frequency activators, industrial-grade handheld readers); second, neonatal anti-theft system software based on semi-active RFID technology (including front-end display software and background management software) Composition); Third, middleware (including industrial-grade switches, cabinets, PCs, servers, uninterruptible power supplies, etc.).
Based on independent research and development:
The core technology of the system construction adopts the standard 2.4G and 125K low-frequency trigger technology commonly used in the market. All the core equipment provided by the company have completely independent intellectual property rights, 2.4G micro-power technology, baby wrist strap key-type anti-disassembly design, 125K cable The antenna technology and synchronous transmission and reception mechanism are all created by the company, which greatly improves the service life and positioning accuracy of the wristband, which far exceeds the domestic industry level.
Focus on future development:
In the overall system architecture, service equipment selection, wristband label function selection, basic data collection, etc., fully consider the realization of subsequent functions, taking into account the compatibility of the equipment, the scalability of the system, the scalability of functions and the diversity of applications sex;
Strengthen system specifications:
System development and resource construction conform to a unified technical specification and characterization system, pay attention to the continuity and sharing of development work, and pay attention to leaving standardized data and control interfaces for subsequent system development and promotion. Unified development of technical indicators such as application technology, data storage format, signal transmission system, and interconnection interface mode;
Play construction benefits:
The development and construction of the system should be combined with the actual situation of the supervision area, and the management of the supervision area should be further strengthened on the basis of the existing system; in accordance with the construction ideas of overall planning, construction while using, and gradual improvement, the construction benefits should be fully brought into play.
2.2 System principle
Based on semi-activeRFIDThe technical neonatal anti-theft system adopts the application of semi-active electronic tags, using electronic tags as the most advanced identification code at present, installing it on the controlled target, and tracking and positioning as the target’s unique identification. At work, managers use networked wireless identification base stations to track and locate targets.
The baby electronic wristband works in two modes: “active or passive”. The wristband emits signals actively or is triggered by instructions from a reader (or low-frequency activator). The activators distributed in various areas or inside and outside the access control have been actively transmitting 125KHz low-frequency electromagnetic wave signals at close range. The baby wristbands within the signal range of any activator can be activated smoothly, and the digital number emitted by the activator can be obtained. Calculate the RSSI field strength value. The baby wristband then wirelessly transmits data such as “tag ID + tag status information + activator number + RSSI value” at a frequency of 2.4 GHz. The long-distance reader/writer antenna installed in the delivery room, entrance guard, and corridor receives the carrier signal from the anti-detachment wristband, and transmits it to the reader through the antenna adjuster. The reader demodulates and decodes the received signal and then sends it to the base The semi-active RFID technology neonatal anti-theft system software performs related processing, and the system judges its legitimacy and location information based on logic.
2.3 System overall design drawings
2.4 System function
Baby area real-time positioning: It can locate the area where babies and medical staff wearing positioning tags are located in real time, and display them on the monitoring terminal map.
Regional baby population statistics and electronic roll call: real-time statistics of the number of babies that should be in each region and the actual number of babies, and prompts the name or number of the baby that has left.
Baby search: In the monitoring terminal, you can enter the baby’s name or tag number to find the current location of the specified baby or the baby’s mother.
Disappearance alarm: It can focus on monitoring certain babies. When these tags leave the designated area or disappear, the system will find corresponding alarms
Cross-border and exit alarm: Some areas belong to important areas, such as certain staircase exits, corridors or hospital gates. When unauthorized tagged babies or medical personnel appear in these areas, the system will issue an alarm. It can also be set in certain areas that certain babies are not allowed to leave the area within a set time, leaving or disappearing the system alarm, such as a baby room.If the baby leaves the room without authorization, the system will alert
Detention time over and alarm: certain special areas can be set. When a baby or mother stays in this area for more than a certain time, the system will alarm. By preventing some accidents from happening.
Track playback: You can query the movement track of a baby in a certain period of time in the past, and which areas the label has been to during this period of time.
Video linkage: You can bind a camera to each positioning device, and click the positioning device map on the map of the monitoring terminal to call the video of the area where the positioning device is located. When there is a specific alarm, the system will automatically call up the video of the area where the alarm occurred.
Temporary label authorization: When a baby needs to temporarily enter an important area, or the baby wants to temporarily leave the nursery, a temporary authorization can be made in the system to allow him to enter an important area or leave the nursery for a certain period of time. For example: when the baby’s family wants to take the baby out, please review with the administrator first, and then the administrator authorizes the designated baby to leave for a certain period of time, and the system will alert when the baby is not taken back after the authorized time expires.
Electronic tag failure alarm: The failure of the electronic tag mainly refers to the low voltage of the tag battery; the wristband worn on the baby is damaged or removed; as long as the wristband worn on the baby is taken off, the system will prompt an alarm; no matter If you cut it or use a tool to remove it normally, 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.
Personnel service call: There are function buttons on the specific card-type positioning label. When the mother has service needs or encounters danger or needs help in the situation, just press the function button. The system will display the location of the help and call the nearby camera video .
2.5 Introduction to Newborn Anti-theft Management System Software
Newborn anti-theft security management system software includes two parts, first, front-end display system, second, background basic information management system
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About Xinhui IoT
Xinhui Internet of Things is a technology-leading provider of IoT products and overall solutions. We are committed to wireless sensor network transmission technology, RTLS real-time positioning technology, wireless sensor monitoring technology and RFID industry applications, continue to innovate around customer needs, improve user experience, open cooperation with partners, and provide smart and convenient IoT innovation Technical products to create maximum value for customers.
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