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I. Overview
In response to the call of the State-owned Assets Supervision and Administration Commission of the State-owned Assets Supervision and Administration Commission to use RFID technology, efficiently and rationally use and manage state-owned assets, and prevent the loss and waste of state-owned assets, large and medium-sized state-owned enterprises in the power, communications, railway, and steel industries are actively trying to use RFID technology. Carry out management technology innovation.
Modern warehouse management has been transformed into a fulfillment center, and its functions include: traditional warehouse management, cross transshipment/in-transit consolidation, value-added service processes, returns, quality assurance, and dynamic customer service.
The RFID smart meter warehouse management system is a real-time computer software system that can more perfectly manage information, resources, behavior, inventory and distribution operations in accordance with operational business rules and algorithms, so as to maximize the effective output And accuracy requirements. The “warehouse” referred to here includes various types of storage warehouses and distribution centers in the production and supply fields.
Traditional warehouse management operations include: receiving, putting on shelves, replenishing, picking, packaging, and shipping. In the current competitive environment, companies must continue to improve to meet the needs of supply chain competition.
The warehouse management system optimizes the use of warehouse space and all warehousing operations in accordance with the convention and the priority principle determined by the user. To the above, it uses electronic media such as electronic data interchange (EDI) to network with the enterprise’s local area network, and the host computer issues the original data of receipts and orders. On the other hand, it communicates with warehouse employees through information technologies such as wireless networks, hand-held terminals, barcode systems, and radio frequency data communications (RFID). Interaction between top and bottom to convey instructions, feedback information and update the database, at the same time, generate the required bar code labels and documents.
2. Introduction
When using Kenmax RFID handheld to scan the electronic label of the electric meter, the electric meter can be placed at will, and the dust on the surface of the electric meter label is not strict. The RFID handheld machine can scan the electronic label data of the entire box of electric meters at the same time, and upload and verify the data as a whole after the scanning is completed. The overall data upload and verification can be saved on the local computer when the network is abnormal, and the upload and verification can be performed when the network is normal, so that the progress of the work in and out of the warehouse can be reached without affecting the work progress. Because Kenmax RFID handheld can collect data from the whole box, it greatly saves the working time of the meter in and out of the warehouse, and improves the efficiency of warehouse management to the greatest extent.
RFID handset can read multiple RFID at the same timeelectronic label, The ideal effect can scan more than one hundred electronic tags at the same time.
RFID tags are not limited by size and shape in reading, and do not need to match the fixed size and printing quality of the paper for reading accuracy.
RFID electronic tags are highly resistant to substances such as water droplets, oil and chemicals, and the environment for reading tag data is not very demanding.
When covered, the Kenmax RFID handset can penetrate non-metallic or non-transparent materials such as paper, wood and plastic to read the information on the label, and can perform penetrating communication.
Since RFID carries electronic information, its data content can be protected by a password, making the content difficult to forge and change.
In recent years, Kenmax RFID handsets have attracted attention due to their long-distance reading and high storage capacity. It can not only help an enterprise greatly improve the efficiency of information management of goods and assets, but also connect sales companies and manufacturing companies to more accurately receive feedback information, control demand information, and optimize the entire information system management process.
3. Scheme design
System structure diagram
The competent department assigns the serial number of the designated electric meter according to the sales demand. The serial number of the electric meter is assigned to the electronic label supplier by the competent authority. The supplier performs label printing and information writing according to the code. The printed electronic label is pasted on the production line by the meter manufacturer. The electric meter with the electronic label attached is delivered to the corresponding power supply bureau warehouse.So I entered the grid company’sRFIDWarehouse management information system. For the electric meters that need to be in and out of the warehouse, the data of the in and out of the warehouse can be collected through the Kenmax RFID mobile handheld terminal.
When the electric meter with the electronic label passes through the scanning device, the antenna performs two-way data exchange with the electronic label through microwave communication, reads the relevant information from the electronic label (read the same information as the existing barcode), and transfers the data Information is transmitted to the data center in real time.
1. Coding distribution
The code of the electronic label of the electric meter shall be allocated on demand by the superior department in charge. The competent superior department sends the planned electronic label code of the electric meter to the electronic label printing department. Started the first step of warehouse RFID management.
2. Electronic label printing and information writing
The printing and information writing of the electronic label of the electric meter can be completed by the RFID label supplier to ensure the correctness of the label information. The printing work can also be completed by the electric meter production plant, which saves the circulation link of the electronic label and reduces the operating cost of the system. Electronic label printing needs to be completed by a professional RFID printer, and the meter code is written into the electronic label data storage area while printing. Fonts and icons can be selected on the surface of the electronic label as required. In addition to the electronic label for the electric meter, the electric meter turnover box of the power grid company also needs to be pasted with a box electronic label. This work needs to be completed by the power grid company itself. The electronic label of the box is mainly responsible for bundling the data information of the electric meter, adding convenience to the working links behind the management system and providing operational efficiency.
3. Paste the electronic label
It is more convenient for the meter electronic label to be pasted by the meter manufacturer. The electronic label supplier sends the printed product to the corresponding meter manufacturer, and the meter manufacturer attaches the electronic label to the meter at the end of the meter production line. The electronic label pasting work must ensure the correct pairing of codes, so as not to cause confusion in the storage management of the power grid. The meter manufacturer transports the meter with the electronic label to the grid company warehouse for storage and verification.
4. Storage of electric meters
The grid company warehouse receives the manufacturer’s electricity meter and needs to carry out the normal working process of warehouse management. The warehousing of electric meters pasted with electronic tags requires data collection through RFID professional scanning equipment as the only data source of the management system. There are two modes to choose the meter storage: one, batch storage; second, single box storage.
For batch warehousing, first put the meters that need to be warehousing in boxes and use the RFID mobile handheld terminal. After all the meters that need to be warehousing are scanned, data upload and verification are performed. The batch warehousing mode is easy to operate and fast, but the batch warehousing mode does not have the guarantee of box label binding. All the meters that are batched in are stored in the No. 1 meter box by default. Bulk warehousing may cause unqualified meters to appear in the warehouse, which is difficult to identify and investigate. Only after strict inspection of the warehouse can the unqualified meters be cleared and re-stocked. For the electric meters that are put into the warehouse in batches, it is necessary to carry out the operation of batch out of the warehouse.
Compared with batch warehousing, single-box warehousing is slower in speed and easier to operate. The biggest advantage of single box storage is that the meter and the box number can be bundled into the storage. This operation ensures the accurate operation of the meter storage. The unqualified meters are sorted out during the storage link, and entry into the warehouse is prohibited to ensure the warehouse. All of the meters are qualified meters. Strict control in the warehousing link can minimize the workload of the outbound link, reduce out-of-warehouse operation errors, and improve the out-of-warehouse efficiency.
5. Meter inventory
Meter inventory is mainly to check the number of meters and the number of meters in the warehouse. Meter inventory only needs to use Kenmax RFID handheld electromechanical meter box number to check whether the meter is in the library and whether the quantity is complete.
6, the meter out of the library
There are a variety of modes to choose from when the meter is shipped out, which is the most convenient link for operation. For the electric meters that are put into the warehouse in batches, the batch outbound mode must be selected. It is a little troublesome to find unqualified meters when batching out of the warehouse, which somewhat increases the workload of the on-site staff. Generally, it is recommended to use batch delivery mode as little as possible.
For the meter that is bundled into the warehouse in a single box, two modes can be selected for exporting, which is very convenient and quick. First of all, for the single-box warehousing meter, the RFID handset can be used to scan the box number for single-box delivery, so the operation is very simple. The RFID handheld machine scans the box electronic label number and requires staff to enter the warehouse to scan the box label, so that the operation can effectively plan the warehouse’s electric meter out of the warehouse.
The third way to go out of the warehouse is to directly enter the box electronic label number on the marketing system interface, and you can also directly carry out the outbound operation. Directly enter the box number and leave the warehouse. You only need to arrange the box numbers of the meters out of the warehouse in order, and then you can directly operate the warehouse in the office. The staff does not need to go to the warehouse to scan, but this operation method requires the staff to place and place the meters in the warehouse. The meter location is very familiar so that it will not bring troubles and errors to the warehouse management. Based on the above situation, it can be seen that the use of RFID management technology in the management of the meter in and out greatly reduces the workload, greatly improves the efficiency of warehouse management, and reduces the possibility of incorrect operations.
7. Electric meter query
Some related detailed information query of the electricity meter can be completed on the marketing system of the grid company. The marketing system can display the detailed information of each electric meter in the warehouse to the staff, and make correct judgments for the staff’s next operation.
8. Data Center
The data center of the management system is created, maintained, and managed by marketing system developers. The RFID warehouse management system only needs to send important meter data to the data center. The data center is responsible for the security protection of the warehouse meter data.
9. Interface software
The interface software also played a very important role in the project. The interface software is the bridge between the RFID scanning equipment and the marketing system of the grid company. The interface software is mainly responsible for sending all the electronic label information of the electric meter through the RFID handset to the data center for record keeping. This interface software has two modes for warehouse management personnel to choose between batch storage and single box storage and storage. When the interface software is started, it defaults to the single-box warehouse-in/out mode. If the user needs batch warehouse-in/out, he needs to select the mode. The software has a friendly interface and simple operation. It is easy to master the operating skills of the software.
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