RFID construction site personnel management technology makes the construction site intelligent!NFC

　　RFID construction site personnel management technology makes the construction site intelligent

　　As urban construction becomes faster and faster, construction sites require a large number of construction workers to complete some basic projects. The entry and exit of personnel on construction sites requires scientific and efficient information management. RFID site personnel management technology effectively manages personnel entry and exit and personnel attendance in the complex construction environment of the site. The traditional construction site management model relies on manual records. The management of personnel is cumbersome and complex, and the management intensity is high. At the same time, it is prone to errors, inaccurate data registration, and difficult to query. The difficulty is high and the cost is high.

　　Information-based construction site management realizes the automated, real-time, and accurate collection of the attendance of construction site personnel, and realizes more scientific management of the construction site for leaders. In recent years, the application of RFID has become more extensive and diversified, and the application has become more and more mature, especially UHF RFID technology, which has long reading distance, smaller tags, lower cost, fast recognition speed, and strong multi-tag recognition ability. The features are widely used in various fields such as warehousing, transportation, assets, and personnel management. It has successfully saved a lot of manpower and time for enterprises, improved operational efficiency, and reduced operating costs, making it gradually become the mainstream technology for wireless automatic identification applications.

　　Based on UHF RFID technology, a set of automated attendance management systems suitable for construction site personnel will be proposed to help management companies realize automated, real-time and accurate management of personnel attendance. The UHF RFID system uses the principle of radar reflection. The reader sends a microwave inquiry signal to the electronic tag through the antenna. The electronic tag is activated by the microwave energy of the reader, and responds after receiving the microwave signal and sends out an echo signal with the tag data information. . The basic feature of radio frequency identification technology is to use radio technology to identify stationary or moving objects, to determine the identity of the object to be identified, and to extract the characteristic information (or identification information) of the object to be identified.

　　The characteristic information of the object to be identified collected through the radio frequency identification system is usually processed by software first, or the collected identification information is directly processed through computer information processing technology (such as database technology, etc.) and computer network technology to achieve information fusion, Sharing, long-distance transmission, etc. directly serve related business applications such as personnel management, access control systems, item/asset tracking, warehousing/logistics management, and so on.

　　Install UHF RFID card readers in the entry and exit passages of the construction site, stick a self-adhesive RFID passive electronic tag in the safety helmet of the construction workers, and automatically complete the sign-in or sign-out when the safety helmet enters and exits the passage. The main software and hardware of the system include: RFID card reader, RFID desktop card issuer, several RFID electronic tags, 1 set of management software, and several auxiliary materials such as network cables. UHF RFID technology has the advantages of being able to read multiple tags at one time, strong penetrability, multiple read and write, large data memory capacity, low cost of passive electronic tags, small size, convenient use, high reliability and long life, etc. Features.

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