Battery Production Work Order Switching for Faster Line Changeovers
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Solution Overview
Problem
The existing battery production process requires manual reconfiguration of production work orders, leading to low efficiency and utilization of production lines due to lengthy changeover times.
Innovation Solution
A battery production method and system that utilizes an upper-level computer and manufacturing execution system to automatically switch production work orders by determining the quantity of required and qualified battery cells and packs, enabling intelligent switching of work orders through interaction between production devices and station devices.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If manual reconfiguration of production work orders is used, then production work order switching can be completed, but the changeover time becomes lengthy and production line utilization decreases
Solution Approach 1:
The system pre-configures multiple production work orders in advance and automatically selects and switches between them based on real-time production status. The manufacturing execution system pre-loads work order data and prepares configuration parameters before switching is needed, eliminating the need for manual reconfiguration during changeover.
Solution Approach 2:
The production system automatically monitors its own state and triggers work order switching without external intervention. The upper-level computer and manufacturing execution system work together to detect when switching is needed and execute the configuration changes autonomously, making the system self-sufficient in managing work order transitions.
2Ease of operation
If manual reconfiguration of production work orders is used, then production work order switching can be completed, but production line utilization becomes low
Solution Approach 1:
The system continuously monitors production progress, battery cell quantities, and work order completion status, using this feedback to automatically determine when switching is appropriate. The manufacturing execution system receives real-time data from production devices and adjusts work order configuration based on actual production state, optimizing line utilization.
Solution Approach 2:
The patent replaces manual mechanical operations with automated computer-controlled systems. The upper-level computer and manufacturing execution system use software-based work order management to replace physical manual reconfiguration, enabling faster and more efficient switching that improves production line utilization.
3Loss of time
If automatic work order switching is implemented, then changeover time is reduced, but system complexity increases
Solution Approach 1:
The manufacturing execution system serves multiple functions: it manages work order configuration, monitors production status, controls device operations, and coordinates switching between different production tasks. By consolidating these functions into a single multi-functional system, the patent reduces the need for separate specialized systems while achieving automatic switching.
4Productivity
If automatic work order switching is implemented, then production line utilization is improved, but measurement and control difficulty increases
Solution Approach 1:
The system pre-configures work order parameters and switching criteria in advance, so that when switching is needed, the control decisions are already prepared. The manufacturing execution system pre-loads work order data and sets threshold values for automatic triggering, simplifying real-time control decisions.
Data Source
AI summary
Battery production method includes determining quantity of first battery cells based on current first production work order in process of producing products by production device in first process of battery production line; determining quantity of second battery cells; if greater than or equal to the quantity of the first battery cells, sending control instruction to first production device in the first process, and taking next first production work order as the current first production work order; determining quantity of unfinished battery packs on station device for current second production work order and sending the quantity of the unfinished battery packs to the station device in process of producing products by the station device in the second process of the battery production line; and when the quantity of the unfinished battery packs is zero, taking next second production work order as the current second production work order.