Home-school-pass long-distance recognition attendance system

chrispeng December 31, 2021 Other

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1. System significance

1.1 For students

Fully closed management is implemented during school hours, and strangers and all unrelated persons are strictly prohibited from entering the campus with the help of the campus security system to ensure the safety of children at school.Students can establish online communication with parents and teachers through the home-school platform

1.2 For parents

Obtain timely information about the children’s school arrival (school) and leave school (school) time, and understand the safety of their children on their way to school; timely receive school related notices (parent meetings, education assistance information requested by parents, holiday notices, etc.); timely understand students The current day or stage of the school learning situation (requires the school to provide corresponding services).

1.3 For schools

High level of safety precautions, centralized attendance management, easy to understand the situation of students from school to class, timely detection of student absences, avoid liability disputes caused by the school and parents, and also provide schools to solve student accidents outside school Legal basis; improve the management level, and effectively distinguish the situation of students entering and leaving the school; information services that can provide parents with auxiliary education education can be better coordinated by parents, which is conducive to improving the quality of education; schools can use this system As the school’s attendance system for teachers and students, it automatically generates attendance reports every month.

1.4 For education authorities

Real-time supervision of student access conditions in schools within its jurisdiction, to facilitate timely detection of problems, and to evaluate the school’s student attendance management level; a real-time communication system connected to all parents has been obtained. In case of emergencies such as SARS or typhoon, the emergency situation can be notified to parents in the city as soon as possible, which is fast, accurate, and has a high notification rate to ensure the safety of students.

2. 2.4G active RFID technology home-school communication

2.1 System architecture and program description

Installation topology

Each student carries an RFID active electronic tag (which can be used as an electronic student ID). After arriving at the school gate, two 2.4G active directional readers near the school gate will read the tag data and transmit the information to it Data center server, after the server performs processing and judgment, the home-school communication platform combined with the telecommunications operator sends a text message to the student’s parents’ mobile phone (or calculates and processes the data through the software platform, and uses WeChat or mobile APP to push information). I have arrived at school safely, “Dad, I will go home soon after school.” At the same time, the server will also save all students’ entry and exit information and organize it into a report for the school and parents to inquire. Using the home-school interactive network platform, the head teacher can send each student’s school learning and living conditions to the parent’s mobile phone at a time or from time to time, eliminating the need for teachers to notify one by one or parents’ absence from parent meetings. This kind of communication barrier is convenient and fast.

In order to judge the entry and exit, install two readers. The distance between the two should be more than 10 meters. At the same time, the reader should adjust a certain angle so that the signal coverage area between the two does not overlap.

Students must bring their cards when entering and exiting the school. When entering, they are first recognized by Outside Reader and transmitted to the data center through the network. Then, within a short period of time, they are recognized by Inside Reader and the data is transmitted to the data center. The receiving program on the data receiving server of the data center will automatically process the judgment after receiving the data, and determine that the student to which the card number belongs has entered the school.The situation of leaving school is exactly the opposite of the data direction of entering school. It is recognized by Inside Reader first, and then by Outside Reader.

2.2 Introduction of related hardware products

1) RW-R902 type directional reader