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1. Application background
In the process of establishing and continuously improving the quality system, the production enterprise requires a set of clear, complete, and easy-to-access and retrieve quality records for the product production line. The current bar code-based production management system enables various quality analysis and control to be easily realized. The traditional bar code system has its advantages, but also has obvious disadvantages, such as easy contamination, breakage, and the need to stop waiting for scanning one by one. The batch reading efficiency is not high, and it cannot meet the needs of fast and accurate.
2. System introduction
Give full play to the technical advantages of RFID and adopt RFID technology on the production line. It is not a completely new set of RFID-based production management system. Instead, RFID information is integrated with the existing bar code-based production management system to organically apply RFID. Incorporated into the overall structure of enterprise informatization.
Use RFID, barcode, and sensors to collect real-time data on the production line, and transmit the read data to the upper equipment (controller, computer) through the network (wired or wireless). To manage loose sensors requires a new management mechanism that can automatically discover and organize the network, deploy RFID readers, and establish a reader network connection to solve the problems of planning, optimization and control of the reader network. The RFID tag on the item, in conjunction with the RFID reader connected to the network, each identification means the tracking of the item.
Not only that, the RFID system can also provide a variety of applications and services, including:
Production line status monitoring, employee behavior monitoring, production management, quality management and tracking, material management, job scheduling, on-site operation guidance, real-time upload of production data.
The entire network architecture must provide the function of information tracking. According to the identification code of the product, all the information of the product and the information of each flow point can be listed. In order to ensure that the tracking information is complete and the information chain can be queried in real time, the information chain backup function is provided, so that the tracking information can be found even if there is a little interruption.
The RFID application system includes RFID application server, RFID data server, RFID computer, RFID reading and writing equipment, etc. The electronic tag is associated with the products of the production line. As the production process proceeds, the data in the electronic tag is updated at any time. The product production line such as As shown in the figure.
Three, system function
3.1 Some modules of data collection
Manual data collection: Provide a means of direct manual intervention.
Electronic tag read and write data middleware: Mainly responsible for the read and write operations of electronic tag data to ensure the correctness and integrity of the data.
Electronic label data-driven software: Mainly responsible for the collection, sorting and sorting of RFID data.
3.2 Some modules of data processing software
System Exception Handling: It mainly deals with the abnormal situations that may occur in the operation of the RFID system, such as abnormal reading and writing of RFID equipment, errors in data reading and writing, etc.
Information integration platform: The RFID information integration platform is responsible for the internal information interaction of the workshop, the information interaction between the workshop and the information interaction between the enterprise and the service registration center, so that RFID information can be applied within the scope of the enterprise.
RFID coding system: According to the home appliance production system, a suitable RFID application item coding system is given.
3.3 Some modules used by data
1. Online setting software:
The online setting function is used to complete the preparation work of the system before starting operation, mainly including the station (station) setting. It is based on the basic process information and needs the support of “system maintenance” information. Its main function is to arrange work tower. The user of the online setting function is mainly the administrator of the production line. He makes the above settings according to the released production plan and prepares for online. After it is ready, the system enters the standby state, waiting for the material to be officially launched.
2. Run schedule:
The operation scheduling function is the core of the correct and efficient operation of the system. The operation scheduling function mainly includes the following functions: control of material movement, priority scheduling, production synchronization, etc. The operation control function is the background function of the system, and there is no specific user type.
3. Production monitoring:
The production monitoring function is provided to general users, enterprise managers, leaders, etc., to keep abreast of the production progress in a timely manner. It mainly includes real-time monitoring of order execution, real-time monitoring of process production, and real-time monitoring of station (set) production. These real-time monitoring functions provide users with overall or partial production execution information, so that users can adjust production in time according to actual conditions.
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