Wiring Module Latching Mechanism for Power Storage
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Solution Overview
Problem
Conventional wiring modules for power storage devices face issues with elastic deformation of positioning portions under external forces, leading to disengagement and instability, and are not adaptable to varying electrode terminal specifications, which affects reliability and manufacturing costs.
Innovation Solution
A wiring module configuration featuring a protector with a bus bar and a cover, where the cover includes a restraining portion that prevents elastic deformation of the latching portion, and a sub-bus bar that can be easily modified to accommodate different electrode terminal specifications, allowing for reliable latching and reduced manufacturing costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the positioning portion is elastically engaged to enable easy attachment, then the ease of operation is improved, but the reliability deteriorates because the positioning portion may be disengaged when external force is applied
Solution Approach 1:
The positioning portion is divided into two functional segments: the latching portion (protrusion) that engages with the recess for easy attachment, and the restraining portion (ridges) that prevents elastic deformation. This segmentation allows each part to perform its specific function optimally without compromising the other.
Solution Approach 2:
The latching portion and restraining portion are merged into a single integrated positioning structure on the protector. This combination ensures that both the easy attachment function and the prevention of disengagement are achieved simultaneously through one component rather than requiring separate mechanisms.
2Strength
If the bus bar structure is made fixed to maintain structural integrity, then the strength is improved, but the adaptability deteriorates because it cannot accommodate varying electrode terminal specifications
Solution Approach 1:
The bus bar structure transitions from a completely fixed rigid design to a dynamic configuration where the position and shape of electrode terminals can be adjusted. This allows the bus bar to adapt to different electrode specifications while maintaining overall structural integrity through the flexible positioning mechanism.
Solution Approach 2:
The bus bar structure is designed with universal adaptability to accommodate various electrode terminal specifications through adjustable positioning. The same bus bar structure can serve multiple functions by adapting to different electrode configurations, reducing the need for multiple specialized components.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The solution ensures reliable latching of the wiring module to power storage devices even under external forces and allows for easy adaptation to varying electrode terminal specifications, enhancing stability and reducing manufacturing costs.
Implementation Method 1
a restraining portion that restrains elastic deformation of the latching portion and that is disposed within a deflection space for the latching portion
Data Source
AI summary
A wiring module having a second protector is provided with a rear-side first latching portion and a front-side first latching portion that are elastically deformable. A cover is provided with a rear-side restraining portion and a front-side restraining portion. The rear-side restraining portion is disposed within a deflection space for the rear-side first latching portion, and restrains elastic deformation of the rear-side first latching portion. The front-side restraining portion is disposed within a deflection space for the front-side first latching portion, and restrains elastic deformation of the front-side first latching portion.