Fuel Cell Case Mounting Structure for Flexible Pipe and Wire Layout
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Solution Overview
Problem
Existing fuel cell system structures require additional space for accommodating pipes, wires, and other components, limiting layout flexibility and necessitating a flat bottom surface for the end plate, which complicates assembly and reduces structural rigidity.
Innovation Solution
A fuel cell system structure featuring a fuel cell case with an extended part that connects to a connecting member via a bolt, allowing for improved layout flexibility by providing space for pipes and wires without expanding the case volume, and incorporating a protruding part for secure fixation with the driving unit, ensuring rigidity through multiple fixing points.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a bracket extending from the driving unit is bolted to a mounting base on the end plate, then the fuel cell stack can be fixed, but the bottom surface of the end plate must be flat and additional space is required, limiting layout flexibility
Solution Approach 1:
The patent transitions from a two-dimensional flat mounting base on the end plate to a three-dimensional structure by extending the mounting base vertically from the driving unit bracket. This allows the mounting base to engage with the end plate from a different spatial dimension, eliminating the need for a flat bottom surface and enabling flexible routing of pipes and wires around the extended structure.
Solution Approach 2:
The mounting base is integrated into the bracket structure of the driving unit, with the mounting base extending from the bracket. This nested configuration allows the mounting functionality to be embedded within the existing driving unit structure, eliminating the need for separate flat mounting surfaces and reducing spatial requirements.
2Adaptability or versatility
If additional space is allocated for pipes, wires, and other members, then these components can be accommodated, but the case volume must be expanded
Solution Approach 1:
The mounting base extends vertically from the driving unit bracket, creating additional spatial volume in the vertical dimension rather than requiring horizontal expansion of the fuel cell case. This allows pipes and wires to be routed through or around the extended structure without increasing the overall case footprint.
Solution Approach 2:
The system is divided into functional modules: the driving unit with its extended mounting base, the fuel cell stack, and the space for pipes/wires. This segmentation allows each component to be optimized independently, with the extended mounting base providing attachment functionality while the space between components accommodates utilities without requiring case expansion.
3Strength
If multiple fixing points are used to ensure rigidity, then structural stability improves, but the number of fixing parts increases
Solution Approach 1:
The mounting base is merged with the bracket structure of the driving unit, forming an integrated assembly. Multiple fixing points are provided through this single integrated component rather than through multiple separate fixing parts, thereby maintaining structural rigidity while reducing the total number of discrete components.
Solution Approach 2:
The extended mounting base serves multiple functions: it provides structural support, creates multiple attachment points for the fuel cell stack, and facilitates the routing of pipes and wires. This multi-functionality reduces the need for additional specialized fixing parts while maintaining structural integrity.
Data Source
AI summary
A fuel cell system structure includes: a fuel cell driving system including a fuel cell case for accommodating a fuel cell stack and a driving unit for driving a target to be driven; and a connecting member connecting the fuel cell case and the driving unit. The fuel cell case includes an extended part extending from a surface facing the connecting member, and the extended part is fixed on the connecting member.