RFID system (radio frequency identification system) is a non-contact automatic identification system. It automatically identifies the target object through radio frequency wireless signals and obtains relevant data. It is composed of electronic tags, readers and writers, and computer networks. The RFID system uses electronic tags to identify objects. The electronic tags exchange data with readers and writers through radio waves. The readers and writers can transmit the reading and writing commands of the host computer to the electronic tags, and then transmit the data returned by the electronic tags to the host computer. The data exchange and management system of the host computer is responsible for the storage, management and control of the data information of the electronic tags.
RFID system is generally composed of electronic tag and reader. In practical applications, electronic labels are attached to objects to be identified. When the object passes through the reading distance range, the reader automatically recognizes the information in the electronic tag in a non-contact way, so as to realize the function of automatically identifying the object and collecting information.
How is RFID system applied in logistics management?
1. Warehousing and distribution management
1.1 install card readers at the entrance and exit of the warehouse. After forklifts and goods with labels enter the reading area, they will be automatically identified and recorded; When leaving the distribution center, the card reader at the entrance of the channel reads the label information and sends it to the system to automatically generate a delivery note; After the truck arrives at the destination warehouse, the card reader at the receiving port will automatically scan the goods on the truck and quickly complete the acceptance.
1.2 after the forklift and pallet are labeled, the system can track the position of the forklift and pallet at any time. This can greatly improve the efficiency of pallet cargo management and ensure the timely and reliable cargo transportation information.
1.3 after the goods and packages are labeled, they can be tracked in real time in the logistics link through a fixed reader or mobile phone to facilitate query, inventory and verification. It's easy to master expired items.
1.4 when the RFID reader(more info) is installed on the top of the conveyor belt and the labeled goods pass through the conveyor belt, it can automatically and quickly obtain the goods information and record it in the system; Compared with the traditional manual and document sorting methods, it has the characteristics of automatic, efficient and labor-saving. Workers only need simple operation to realize the automatic operation of goods entering and leaving the warehouse, which is fast and error free.
1.5 staff or drivers can collect and query information in the warehouse through RFID handheld reader(more info), which is convenient, fast, efficient and accurate.
1.6 after the goods arrive at the destination, the staff can quickly check the goods through the handheld terminal and automatically record the warehousing situation. 7) When the staff is labeled, the system will automatically identify, track and monitor them when they pass through the access channel with a card reader.
1.7 before the truck leaves the warehouse, it is automatically recognized by the card reader and transferred to the background for data comparison. If the transportation is wrong or lost, the system will automatically alarm to ensure the accuracy of cargo transportation.
2. Real time tracking of cargo trucks
2.1 label the windshield, goods and packaging of the truck. When the truck passes each station along the way, the card reader installed in the station can automatically identify the car, record the time of arrival and cargo information, and upload it to the background of the system for comparison and verification, so as to realize real-time tracking.
2.2 when trucks and goods leave the warehouse, they shall be identified by the card reader at the exit of the warehouse, and the departure time and information shall be recorded; When the goods are exported through the line, they are identified by the card reader at the exit and the transit time is recorded; When the goods arrive at the destination warehouse, they are identified and recorded by the entry reader, and then sent to the background server. In this way, the whole transportation process of vehicles and goods is automatically monitored in real time, and the position can be checked at any time through the system.
3. Freight car management in freight yard
As the vehicle is labeled with RFID tags(more info), the vehicle and driver information are recorded in the tags. When passing the import and export of the freight yard, it is automatically recognized by the reader, which reduces the cumbersome manual processing, verification and recording, and greatly improves the management efficiency of the freight yard. The system can conveniently query relevant information in real time.
4. Express package tracking
RFID channel antenna is used in express package delivery. When each item is attached with a passive tag, when the item passes through the air and arrives at the airport postal area, the conveyor belt is equipped with an RFID channel antenna. When the package passes through the channel antenna, its orientation and information will be automatically read and transmitted to the background host system for verification and comparison. If it is found that the formation purpose is wrong, it will light up and alarm. In this way, RFID ensures 100% mailing accuracy of express packages.
The accuracy and timeliness of information transmission is the key to logistics management, which is the outstanding advantage of RFID. When the goods are labeled with RFID tags, they can be identified as a whole package without opening the outer package of the products, and information such as the type, manufacturer and destination of the products can be obtained at any time. The system can realize real-time monitoring of all links of raw materials, semi-finished products and other products, including finished products, rush shipment, transportation, distribution and shelf sales, which greatly improves the ability of automatic management, reduces the error rate and improves the efficiency of logistics management, It reduces costs and helps enterprises gain competitive advantages.
By using RFID technology, we can improve the transparency of supply chain logistics management and inventory turnover, effectively reduce the loss of out of stock, and improve the logistics efficiency of enterprises. In all links of logistics management, logistics efficiency becomes faster, cargo transfer becomes faster, and logistics operation efficiency is improved; In addition, the data is more accurate, and the data collection of goods circulation is more accurate.
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