Wiring Module Error Absorption via Sliding Connection Members
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Solution Overview
Problem
Existing electrical storage module configurations cannot absorb errors in size between electrical storage elements and mounting units in directions orthogonal to the connection direction, leading to potential failures during wiring module installation.
Innovation Solution
A wiring module design featuring a connection member with enlarged gap portions and sliding capabilities, allowing for misalignment compensation between mounting units, and through holes for precise fastening, enabling error absorption in both orthogonal and connection directions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If connection members are held by first and second units with sliding capability in connection direction, then errors in size in connection direction can be absorbed, but errors in size in direction intersecting with connection direction cannot be absorbed, causing risk of failure when wiring module is mounted
Solution Approach 1:
The connection member is designed with sliding capability in the connection direction, allowing it to dynamically adjust its position to absorb size errors between electrical storage elements and mounting units. This dynamic adjustment prevents rigid constraints that would cause mounting failures.
Solution Approach 2:
The patent extends the error absorption capability from one dimension (connection direction) to two dimensions by adding sliding capability in both connection direction and direction intersecting with connection direction. This multi-dimensional sliding mechanism allows the connection member to accommodate positional errors in multiple directions simultaneously.
2Measurement precision
If rigid mounting structure is used to ensure precise positioning, then positioning accuracy is improved, but inability to absorb positional errors leads to mounting failures
Solution Approach 1:
The patent changes the physical state of the connection member from rigid to slidable, allowing it to adapt its position within a predetermined clearance range. This parameter change enables the system to tolerate positional errors while maintaining reliable mounting.
Solution Approach 2:
The connection member acts as an intermediary element between the mounting units and electrical storage elements, absorbing positional errors through its sliding capability in multiple directions. This intermediary function protects the overall system from mounting failures caused by size and position variations.
Data Source
AI summary
An insulating protector of a wiring module is provided with: a first unit that includes a first holding portion that holds one end side, in a connection direction, of the connection members; and a second unit that includes a second holding portion that holds the other end side, in the connection direction, of the connection members. The second holding portion is contiguous with the first holding portion. The first and second holding portions include separating walls that face side edges of the connection members, and coupling portions that couple the first and the second holding portions to each other. The separating walls include enlarged gap portions that are formed so that gaps between the enlarged gap portions and the side edges of the connection members are larger on the side where the coupling portions are located than on the side where ends of the connection members are located.