Power Storage Device Wire Routing Segmentation
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Solution Overview
Problem
The existing power storage devices face difficulties in efficiently routing and connecting power wires and measurement wires, leading to potential tangling and misconnection issues due to their configuration.
Innovation Solution
The power storage device incorporates a design with distinct terminal locations on opposite sides for power connections and sensors within cooling paths, where wires are strategically routed to reduce electrical resistance and facilitate easy connection, and includes a housing case with a fan for improved cooling air flow management.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the main positive electrode tab and main negative electrode tab are provided at opposite short side surfaces, then the power storage device can supply electric power to external devices, but the power wires and measurement wires are likely to be jumbled and difficult to connect
Solution Approach 1:
The patent divides the wire connection functions into separate spatial zones: power wire connections are concentrated at one end surface while measurement wire connections are concentrated at the other end surface. This segmentation of connection functions into distinct spatial locations eliminates wire jumbling and simplifies the connection process for each wire type.
Solution Approach 2:
The patent transitions from a two-dimensional tab arrangement on side surfaces to a three-dimensional wire routing strategy that utilizes both end surfaces of the power storage device. By drawing power wires from one end and measurement wires from the other end, the patent creates separate spatial pathways that prevent wire interference and simplify connections.
2Device complexity
If multiple wires are routed through the same path, then the device structure can be simplified, but the wires are likely to be jumbled and misconnected
Solution Approach 1:
The patent segments the wire routing paths by spatial location: power wires are routed through one end surface while measurement wires are routed through the other end surface. This spatial segmentation ensures that different wire types follow separate paths, preventing jumbling and misconnection while maintaining a simplified overall structure.
Solution Approach 2:
The patent uses the end surfaces of the power storage device as intermediary connection points. By providing dedicated end surfaces for power wire connections and measurement wire connections, the patent creates clear intermediary locations that guide wire routing and prevent confusion between different wire types.
Data Source
AI summary
A power storage unit includes an end surface located at one end of the power storage unit in a direction, an end surface located at the other end of the power storage unit in the direction, a side surface connecting the end surface and the end surface, and a side surface located opposite to the side surface. A terminal and a terminal are provided on a side surface side and are connected to an apparatus arranged on the side surface side, and the wire extends in a direction from the side surface toward the side surface and is connected to an apparatus provided on a side surface side.