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The advantages and composition of RFID regional personnel location technology

Release Time:

2020-11-17

Positioning acquisition is currently a technology that is very important in many fields. The most familiar concept of positioning before is the GPS ( Global Positioning System ) , as well as the Beidou positioning system independently developed by China. Internet technology is becoming more and more powerful, and wireless network technology has also begun to enter the field of positioning services. RFID technology also has very high applications in the field of positioning, such as positioning indoors and other specific areas, and has many advantages compared with it. RFID intelligent positioning is a kind of regional positioning collection. It uses radio frequency and low-frequency positioning RFID technology to automatically identify and regionally locate personnel, and realize personnel management functions, such as: personnel attendance, personnel search, personnel area limitation, and personnel management. Statistics, video linkage, historical track query, key area management, etc.

RFID is a non-contact automatic identification technology. RFID technology can be quickly read and written, long-distance collection, and accurate identification, so it is widely favored in the field of intelligent identification. With the rapid development of the Internet of Things technology, intelligence and automation are inseparable from the collection and transmission of data. As the core technology of networking, RFID technology has become an important source of data collection.

Components of the positioning system

The RFID positioning system is mainly composed of four important parts: positioning tags, low-frequency locators, readers and positioning system software.

1. RFID reader . ( also called reader ) The reader is divided into single-frequency and dual-frequency. The single-frequency frequency is 2.4G , and the dual-frequency frequency is divided into 2.4G and 125K . The reader is installed in the positioning area and is mainly responsible for the data collected by the label. Signal.

2. Locate the label. The positioning tag is a 2.4G and 125K dual-frequency semi-active RFID electronic tag. The positioning tag regularly sends out 2.4G signals and receives 125K activation signals. The tag has a built-in battery, and the battery can be replaced. Because the power consumption of the tag is low, a battery of a personal tag can be used for about 1-3 years under normal circumstances. There are wristband type and card type for personnel positioning tags. Function keys can be customized on the card type, which can be used for emergency calls or position reporting functions.

3. Handheld reader. Also called handheld terminal, it can receive the wireless signal sent by the positioning tag, and display simple information of the person with the tag on its own screen.

4. Low frequency locator. The low-frequency locator antenna is connected to the locator through a two-core shielded wire. The activation antenna is mainly installed in the entrance and exit area to assist entry and exit judgment and positioning. The low-frequency activation antenna is divided into ground-sensing coil antenna and rod antenna.

5. Network equipment, computers and servers.

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 through multiple servers, which avoids the computing pressure brought by a single server processing all data. The positioning system software consists of four Partial composition.

1. System core program: mainly responsible for data management and receiving data sent by the data collection end, and comparing, querying, and counting the data sent by the collection end.

2. Information collection program: mainly responsible for collecting the data of positioning tags, and performing positioning calculations on tags.

3. Display program: responsible for map display, personnel location display, alarm output, etc.

4. Background management: Responsible for equipment management, association of personnel and items with tags, file management of personnel and items, management of positioning areas, and various query statistics, etc.

application benefit

Real-time supervision and management of personnel ( personnel location, number of personnel, personnel information in any room, dynamic changes of personnel, assistance in case of emergencies, alarm information for entering dangerous areas, etc. can be viewed in real time . Active early warning, solving the lagging problem of accidents, exposing the hidden dangers of accidents in advance, avoiding the sudden reappearance of accidents, the Internet of Things technology and existing video linkage can check the scene situation in real time, and provide a basis for deploying relevant personnel to solve emergencies in a timely manner. Reduce the workload of staff management, reduce labor cost input and improve work efficiency. Promote the institutionalization, standardization, and real-time development of the management of personnel, ensure the safety and stability of personnel, and lay a solid foundation for the gradual realization of " intelligent all-round supervision " .

The vigorous development of the Internet of Things has greatly improved the technical level of traditional security. The new video surveillance system, intelligent access control system, intelligent door lock system, intelligent patrol system, entrance and exit control system, and regional personnel positioning system with active RFID and video linkage The new generation of security products, represented by , have shown more advanced technical performance and market adaptability, and are being favored by more and more users.

Reprinted from RFID World Network