Modular Battery Cell Formation Layout With Precise Tray Transfer
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Solution Overview
Problem
Existing battery cell formation plants face challenges in efficiently reconfiguring their layout to increase production capacity without incurring high costs or compromising transport accuracy.
Innovation Solution
The solution involves a modular transport system with passive modules that can be easily reconfigured by changing the coupling between modules, decoupling transport accuracy from tray positioning, and using high-precision conveyors only where necessary.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional routing system with fixed transport tracks is used, then transport accuracy is maintained, but reconfiguration cost and complexity increase
Solution Approach 1:
The routing system is divided into independent modular units (robots with degrees of freedom) that can be individually configured and repositioned. Each module operates autonomously within the rack structure, allowing flexible reconfiguration without redesigning the entire system.
Solution Approach 2:
The system transitions from fixed transport tracks to dynamic, programmable robot actuators that can adapt their positions and movements. The robots include configurable degrees of freedom that allow the system to dynamically reconfigure its routing paths based on production needs.
2Measurement precision
If high-precision conveyors are used throughout the entire routing system, then transport accuracy is maintained, but system cost increases
Solution Approach 1:
High-precision control is applied locally only at critical points where trays are transferred to formation chambers, rather than throughout the entire transport system. The robot actuators provide precision positioning at transfer points while using simpler, more cost-effective mechanisms for intermediate transport segments.
3Adaptability or versatility
If the routing system is designed for high reconfigurability, then adaptability improves, but positioning precision may deteriorate
Solution Approach 1:
The robot actuators incorporate feedback control systems that use sensors to detect tray positions and adjust their movements accordingly. This closed-loop control ensures precise positioning even as the system configuration changes during reconfiguration, maintaining accuracy despite the flexible modular design.
Data Source
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AI summary
A battery cell formation plant (10) comprises a plurality of formation racks (14), each of which comprises: a plurality of drawers (24) each of which is coupled to at least one tray (11) configured to contain battery cells (100); a transfer station (25) configured to transfer at least one tray (11) to a respective drawer (24); a plurality of formation chambers (26) each configured to accommodate at least one drawer (24) and to provide a power supply to implement a formation of battery cells (100); a first transport system (15) operable on each drawer (24) to selectively transport the drawers (24) between the transfer station (25) and the formation stations (26). The system further comprises a second transport system (16) that reaches the transfer station (25) of each formation rack (14). The second transport system (16) comprises: a modular track (T) comprising a plurality of modular tiles (17) to create at least one guide path (P); a plurality of shuttles (18), wherein each shuttle (18) runs along the modular track (T) following the guide path (P), is configured to transport a tray (11) and is equipped with its own propulsion system (50).