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1 Overview
Current warehouse management systems usually use barcode labels or manual warehouse management receipt writing to support their own warehouse management. However, the bar codes are easy to copy, not stain-proof, and not moisture-proof, as well as the inevitable shortcomings of manual document writing and easy to cause man-made losses, which make the current warehouse management always have defects. With the application of electronic tags, the latest technology products, the above-mentioned problems can be fundamentally solved.
RFID (Radio Frequency Identification) technology is an automatic identification technology that has matured from the 1980s. It is a non-contact active identification technology that can automatically identify target objects through radio frequency signals and obtain related information. The data is used by the back-end system for identification, statistics, and processing. This technology can complete information input and processing without manual contact, optical visualization, and manual intervention. The operation is fast, convenient and practical, and its unique advantages are unmatched by other recognition technologies. Compared with other traditional identification technologies such as barcodes, magnetic cards, IC cards, etc., it has the following advantages: non-contact, waterproof, anti-magnetic, high temperature resistance, long service life, reusable, long reading distance, and data on the label It can be encrypted, the storage data capacity can be made larger, the storage information can be changed freely, the high-speed moving objects can be recognized and multiple tags can be recognized at the same time, and the operation is quick and convenient, and it is suitable for application in the current scientific warehouse management system.
2. System structure
The RFID warehouse management system is composed of background management software, RFID tag issuing system and RFID tag identification collection system. These systems are connected to each other to jointly complete the various processes of item management. The back-end database management system is the core of the whole system, and RFID identification collection is the basis and means to realize the management function.
Business management software
It is composed of central data server and management terminal, which is the data center of the system. Responsible for communicating with the handheld, converting and inserting the data uploaded by the handheld into the database of the back-end warehouse management system, and centrally storing and processing label management information, issuing labels and collected label information.
RFID label issuance system
It is composed of a special printer for electronic labels and label production management software, responsible for completing the information writing of location labels, item labels and box labels and printing of label surface information. The dedicated electronic label printer adopts an industrial-grade thermal transfer printer with a built-in non-contact reader, which can print pre-set content information on the label surface while writing information on the label chip. The core of the label production management software is the label production function dynamic link library, which is embedded in the back-end system to provide the back-end warehouse management system with the development interface function for operating the printer to make labels. Based on the dynamic library, an independent label making software is also provided, which can manually input label data to facilitate temporary label making.
RFID tag identification collection system
The tag information can be collected through a handheld or a fixed location terminal to complete the storage of the tag data, and exchange data with the management center through the RFID middleware.
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3. System function
Managers can use this system to understand and control the nature, status, location, historical changes and other information of each managed object (item) in real time, and take corresponding management countermeasures and measures based on this information to improve the operating level and management of the user unit The purpose of quality. According to requirements, the system includes several modules: system management, label making, warehousing management, outgoing management, inventory management, allocation management, return management, report analysis, and terminal data collection programs. The module structure is shown in the figure below:
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4. System features
1. Combining the entire warehouse management with radio frequency identification technology can efficiently complete various business operations, improve warehouse management, and increase efficiency and value;
2. Improve the recognition rate of items in and out of the warehouse, without opening the box for inspection, and identifying multiple items at the same time, improving the efficiency of in and out of the warehouse;
3. Reduce the inventory cycle, improve the real-time performance of data, dynamically grasp the inventory situation in real time, and realize the visual management of inventory items;
4. The use of radio frequency technology can greatly improve the efficiency and accuracy of the picking and distribution process, and accelerate the speed of distribution, reduce labor and reduce distribution costs;
5. Accurately grasp the material situation and optimize the reasonable inventory.
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