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1. Need to understand
1.1. Requirements description
With the rapid growth of corporate brands, and in the face of rapidly changing demands in the market, the original factory packaging and logistics links obviously cannot keep up with the pace of corporate development.
Changes in the internal and external environment and the problem of excessively long supply cycles have become increasingly prominent.
At present, the logistics system usually uses barcode labels or manual documents to support the management of its own logistics links. However, the characteristics of easy copying, non-fouling, and non-moisture-proof of barcodes, and the cumbersomeness of manual document writing, are likely to cause artificial Loss, so that the current domestic logistics management, especially warehousing, always has defects.
1.2. Demand analysis
1.2.1. Accurate identification
According to our understanding, using RFID tag technology as product identification is a better option. At present, barcode is the most used identification technology. The advantage of bar code technology is that the price is relatively cheap, but it does not have the ability to be remotely identified and multiple targets can be identified at the same time. In addition, it cannot identify single products, only product categories.
On the contrary, RFID tags have the advantages of small size, large capacity, long life, reusable, fast reading and writing, non-visual identification, mobile identification, multi-target identification, etc. Its ID code is unique in the world, so it becomes automatic An emerging force in the field of identification will become a leader in the field of automatic identification in the foreseeable near future.
Utilizing the uniqueness of RFID tags, pasting, embedding or implanting RFID tags on each product can completely solve the problem of unrecognizable and tracking products in the supply chain, and can also achieve accurate identification.
1.2.2. Shorten the lead time
Shortening the supply cycle is one of the most important requirements of an enterprise.
In order to shorten the supply cycle requirements, it is necessary to optimize the problems in production, packaging, inventory, and transportation at the same time. This solution mainly solves the problems that need to be faced in logistics.
The most popular international practice is to use quick-response QR technology, JIT timely production methods, EOS electronic ordering system based on EDI technology and OPS order processing system to achieve the goal of shortening the supply cycle, while RFID tag technology is to achieve the goal of shortening the supply cycle. Indispensable technical means for the cargo cycle.
1.2.3. Inventory Management
Inventory management is a very important part of an enterprise, and the establishment of a quick-response QR inventory management system is the key to rapid replenishment.
The company’s product inventory management mainly includes product identification and positioning, packaging, stacking, warehousing, inventory and other aspects. After the product leaves the factory, it is uniquely identified with RFID tags, and information is collected on nodes such as packing, loading position and loading pallets, so as to realize the effective and accurate positioning of finished products in inventory management, realize real-time dynamic inventory of finished products, and establish rapid response QR’s inventory management system eliminates possible obstacles in the inventory management link.
2. Overall scheme design
2.1. Program overview
This program is tailor-made for customers by analyzing the logistics needs of clothing companies. It integrates RFID technology, network technology, computer technology, database technology, voice technology and mobile communication technology. Combining actual needs and rich experience in science and technology and unique technology, we propose the following logistics system plan based on RFID technology.
2.2. Overall plan
Long-distance electronic tags are used, antennas are set up at the entrance and exit, and handhelds are equipped to complete the following functions: storage confirmation, exit confirmation, inventory, and data exchange with the original logistics system.
The overall plan is as follows:
? Paste RFID electronic labels on single products, boxes, pallets, and shelves; the labels on products and boxes are used for multiple times, and the labels on pallets and shelves are for one use;
Deploy an RFID label printer in the label printing link to print self-adhesive stickers and verify and initialize the RFID electronic label information automatically generated by the system; if the label is provided by the supplier, the label information needs to be exchanged through the interface and the RFID electronic label is required Uniform standards for easy identification;
? The electronic label is attached/pasted on the product bag/box, in addition to recording all the information on the paper label, any other information can also be recorded in the label;
? After the supplier’s product containers arrive and unload, they will be first divided into stacks, handed over to the freighter, and divided into inner and outer parts; outer parts are unpacked and inspected, and then repacked and shipped; inner parts are unpacked and inspected, and are collected according to the color code. Affix labels and Chinese signs, pass through the entry antenna to scan the goods and enter the picking area; the product information is recorded by the monitoring system;
? According to the known order and distribution list (provided by the supplier’s ERP system interface or sent by fax and e-mail, etc.), the system will automatically compile the order of delivery, and propose a packing plan and pallet usage quantity, and the staff will plan according to the suggestion Arrange the packing sequence and pallet position;
? According to the suggested packing plan, the staff will use the RFID handheld device (the packing plan information has been read from the system) to scan and pick the products that enter the picking area, that is, the fashion box;
? Inspect each box after packing. If the inspection is correct, print the packing list and seal the box immediately, stack it on the pallet and enter the shipping area, and transmit the information (wired/wireless) to the system;
? If there is no such product in the picking area, the staff finds the product according to the location prompt (graphic/sound) information of the product warehouse area of the RFID handheld device, scans the location label and product label, then takes out the box, and transmits the information (Wired/wireless way) to the system;
? When all the products of a certain order are packed in the box, they can be shipped; the product information is recorded by the monitoring system after the outgoing antenna is shipped and scanned;
? At the time of inventory product inventory, the staff use RFID handheld devices to read all inventory information from the system, enter the warehouse area to scan all inventory goods; for products that are not matched, they can search for products in the warehouse area until they find the product and complete the inventory inventory.
System scheme flow chart:
The system adopts a wired/wireless network architecture based on TCP/IP. The card maker client is responsible for the initialization of the RFID electronic tag, the monitor client is responsible for reading from the reader the control of the monitoring equipment such as the entry antenna and the exit antenna scanning the product data and alarms, and the operator client is responsible for the RFID handheld device Product data exchange such as picking, finding and inventory. RFID electronic label data, barcode data, product data, order data, inventory data and other information are stored in the database server. The system has a data exchange interface with the supplier’s ERP system, and the data that can be exchanged include: orders and receipts, distribution orders, and RFID electronic label data.
2.3. System function
On the basis of full investigation, according to the technical characteristics of RFID and logistics business requirements, it is proposed to use RFID tags to identify the four categories of single products, packaging boxes, pallets and cargo spaces. Therefore, the logistics system based on RFID technology has the following table Shown system functions:
2.4. Main steps
2.4.1. Imprint
Marking refers to printing and initializing RFID labels. The product label is a self-adhesive style. After the printing is completed, the labeler will affix the RFID label to the specific position of the product. The surface print content is the same as the current form, mainly including the label ID, barcode, style number, color and size, etc., but It does not include information such as order number, customer name, etc., because the product cannot be matched with the order when printing.
Label printing can be done centrally, without real-time printing.
2.4.2. Labeling
The bagging workers put the RFID-tagged products into single-piece packaging bags.
Note: It is necessary to set up a process link to check whether the label corresponds to the product.
2.4.3. Box labeling
The packing worker sticks the label to the designated position on the packing carton.
Label printing can be carried out in a centralized manner, without real-time affixation.
2.4.4. Packing
There are three ways to pack, the first is to pack directly without loading; the second is to pack from the cargo location; the third is to pack in mixed, that is, part of the products in the same box are directly packed , Some products come from cargo space packing; the three packing methods are suitable for different situations and have different purposes.
2.4.5. Sealing
To seal the box, put a single piece of the box into the box, paste the other piece to the designated position of the box, and then seal the box.
Place the packing box to be sealed in the inspection area (the area where the antenna of the fixed RFID read-write device can be sensed), and check whether the product quantity, model number, color, size, etc. in the box are correct. After passing the check, proceed to the next step.
Print out the packing list of the packing box that passed the inspection, put one sheet into the box, and paste the other sheet to the designated position of the packing box, and then seal the packing box. If the inspection fails, the packaging box enters the “return box processing” process.
2.4.6. Upper tray
In order to further improve the efficiency of warehousing, the packing boxes are stacked directly on the pallet after the box is sealed, so as to facilitate the warehousing in and out of the warehouse in the shortest time.
In addition, there are some derivative links, such as regular inspection and replacement of pallet labels and cargo location labels, which will not be detailed here.
2.5. Technical indicators
The logistics system based on RFID technology has the following technical indicators:
? Real-time monitoring of product categories and quantities scanned by the entry antenna;
? Real-time monitoring of the product category and quantity scanned by the outgoing antenna;
?Support real-time dynamic automatic statistics, real-time online inventory;
Contact: Ren Gong
139 1153 3725
[email protected]
Q: 479 017 087
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