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1. Construction background
In the collection of production line information, manual collection and manual input methods have insufficient accuracy and high error rate. It is also easy to cause the production data in the system to be unable to update in real time, and the lag is serious, which is not conducive to the smooth progress of the production flow and restricts The phenomenon of further increase in production capacity.
Through the use of Internet of Things RFID, wireless sensor technology and network technology, the Four Seas Cloud Network realizes the real-time tracking and data collection of the production process of the manufacturing assembly line, thereby improving the visualization and controllability of the workshop manufacturing process and increasing the production efficiency of the enterprise.
2. System structure
The whole system is divided into three layers: data acquisition/execution layer, data communication layer, management execution layer
1. Data acquisition/execution layer
The data collection layer is composed of RFID electronic tags and RFID data collection equipment. The collection equipment includes RFID handheld devices, RFID fixed readers, and pneumatic radio frequency doors.
This layer has on-site information display function: on-site information can be displayed through MES terminals, electronic billboards and other equipment to realize the generation and management of spare parts batch numbers, as well as online real-time production plan, production process, production status information, production equipment information, and quality analysis information. Query, display, and input to realize paperless work in the workshop.
2. Data communication layer
The data communication layer is composed of a communication network and a communication server.
3. Management and monitoring layer
The management and monitoring layer mainly completes the functions from middleware to production management and scheduling and data storage, and sends scheduling instructions in response to the command request of the data terminal transmitted from the bottom layer. The management control layer consists of three parts: database server, management server and user software.
Three, system characteristics
1. Real-time dynamic tracking of the whole process of the work in process to accurately understand the location and status information of the work in process;
2. Realize the seamless coupling of information during the conversion of each production interval of the product;
3. Provide data support for the full-line 3D operation guidance and logistics of the production line;
4. Tracking and real-time monitoring of the production process through the RFID reader installed on the production line;
5. Tracking management of historical processing/source information of products in process to facilitate quality traceability.
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