oprfid123
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Composition of RFID Intelligent Warehouse Manageme
« on: June 27th, 2022, 2:46pm »
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In RFID backscatter coupling mode, the frequency of electromagnetic wave reflected by a target is determined by the reflection cross section. The size of the reflection cross section is related to a series of parameters, such as the size, shape and material of the target, the wavelength and polarization direction of the electromagnetic wave, etc. Since the reflection performance of the target usually increases with the increase of frequency, the RFID backscatter coupling mode adopts ultra-high frequency, and the distance between the transponder and the reader is greater than 1m. Small RFID Reader/writer, transponder (Passive RFID Tag) and antenna constitute a transceiver communication system. At present, it is widely used in international container transportation, which not only helps to improve the cargo operation efficiency under the background of globalization, but also improves the security to a certain extent.
The application of radio frequency identification (RFID) can fundamentally solve the above problems. Based on radio frequency identification (RFID) technology and according to the actual situation and requirements of warehouse management, oprfid technologies has developed an RFID intelligent warehouse management system.
RFID is the abbreviation of radio frequency identification. It is a non-contact automatic identification technology. Small RFID reader/writer can be traced back to the Second World War (about 1940). At that time, its main function was to distinguish the enemy from the British aircraft. In recent years, with the development of large-scale integrated circuit, network communication, information security and other technologies, as well as the promotion of Wal Mart, the world's leading retailer, Small RFID reader/writer has been rapidly applied to smart grid, transportation, logistics industry, medical health, fine agriculture and animal husbandry, finance and service industry, industry and automatic control, smart home, environment and security detection, public security, national defense, smart city and other industries and fields. RFID is to automatically identify the target object and obtain relevant data through RF signals. It is mainly composed of RFID tag, RFID reader and RFID antenna. Tags are composed of coupling elements (also known as antennas) and chips. Each tag has an electronic code (EPC), and the chip can store specific serial numbers and other information. The reader is the bridge between the tag and the software system. On the one hand, it reads the tag information, and on the other hand, it communicates the reading results with the software system. The antenna exists in the tag and reader and is responsible for data transmission from the tag chip to the reader and then to the software system.
RFID technology is divided into low frequency, high frequency, ultra-high frequency, active, etc. RFID technology has the characteristics of non-contact, fast scanning, high identification efficiency, not easy to be damaged, suitable for harsh environment, convenient operation, fast reading and writing speed, large amount of information storage, multi-purpose one card, anti-collision, good security encryption performance, reusability, tracking and positioning, etc.
This kind of RFID handheld terminal consumes low resources, has a large secondary development space, and can better meet the needs, but needs to pay the secondary development cost. Electromagnetic backscatter RFID system, backscatter modulation and radar technology provide the theoretical and application basis for the backscatter coupling mode of RFID. When an electromagnetic wave encounters a space target, part of its energy is absorbed by the target, and the other part is scattered to all directions with different intensities. In the scattered energy, a small part is reflected back to the transmitting antenna and received by the antenna (so the transmitting antenna is also the receiving antenna). After amplifying and processing the received signal, the relevant information of the target can be obtained. The small handheld PDA seems to be at a distance from us, but it is actually closely related to our life. With PDA, couriers can upload express information in real time, so we can track our own express information through mobile phones.
By using RFID technology, improve the efficiency of warehouse management and provide the accuracy of WMS system data. The main objectives are as follows:
Reduce human operation leakage, improve management level and reduce potential safety hazards;
Real time data acquisition, keeping the consistency of items and records in time;
Reliable and stable data acquisition and accurate data;
The statements are manually sorted and summarized and then completed by computer;
Improve the efficiency of data management, timely register the detailed accounts of various safety tools and instruments, and achieve the consistency of accounts, materials and cards;
The system is flexible and has expansion function;
The system is practical and easy to operate for users with different levels of professional quality.
RFID intelligent handheld terminal is a kind of wireless portable equipment that integrates RFID technology and data terminal. It has the characteristics of large capacity storage, long service time, multiple communication and expansion interfaces, hardware modules can be selected according to different needs, and software can be customized according to user needs. It is widely used in warehousing management, such as warehousing and inventory, material shelving, inventory and point warehousing, material outbound, retrieval and query. In RFID backscatter coupling mode, the frequency of electromagnetic wave reflected by a target is determined by the reflection cross section. The size of the reflection cross section is related to a series of parameters, such as the size, shape and material of the target, the wavelength and polarization direction of the electromagnetic wave, etc. Since the reflection performance of the target usually increases with the increase of frequency, the RFID backscatter coupling mode adopts UHF, and the distance between the transponder and the reader is greater than 1m. Small Reader / writer, transponder (electronic tag) and antenna constitute a transceiver communication system. It is the single product stage, that is, each product has a dedicated RFID tag manufacturer. Since each product has a logo, it can realize the minimum unit management of commodities, and play a great role in retail links, anti-counterfeiting, anti-theft, and consumer behavior analysis.
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