Fuel Cell Mount Apparatus Fluid Pressure Control
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Solution Overview
Problem
In fuel cell mount apparatuses for large-size vehicles with multiple fuel cell stacks, achieving uniform fluid pressure and flow rate across different pipe arrangements is challenging due to varying lengths and orientations, requiring cumbersome setting adjustments for fluid adjustment parts.
Innovation Solution
A fuel cell mount apparatus with pressure detection parts and a control device that adjusts fluid adjustment parts, such as air compressors, purge valves, and cooling liquid pumps, to maintain appropriate pressure and flow rates across each fuel cell stack, regardless of pipe arrangement variations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If pipe arrangements are individually connected to each fuel cell stack with different lengths and drawn directions, then the layout can be adapted to various device arrangements, but the pressure and flow rate of fluid vary for each stack requiring cumbersome setting adjustments
Solution Approach 1:
The invention controls the operating parameters (opening degree) of fluid adjustment parts based on detected fluid pressure values to maintain consistent flow rates despite variations in pipe arrangement parameters such as length and drawn direction
Solution Approach 2:
The invention uses pressure detection parts to detect fluid pressure and feeds this information back to a control device that adjusts the fluid adjustment parts accordingly, enabling automatic compensation for pipe arrangement variations without manual setting adjustments
2Reliability
If manual setting adjustment of fluid adjustment parts is performed for each fuel cell stack, then appropriate fluid pressure and flow rate can be achieved, but a large amount of time is required for development and specification changes
Solution Approach 1:
The invention enables the system to automatically adjust and optimize fluid pressure and flow rate for each fuel cell stack through self-diagnosis and self-adjustment based on pressure detection, eliminating the need for manual setting adjustments during development and specification changes
Solution Approach 2:
The control device receives pressure detection results and automatically adjusts fluid adjustment parts to maintain appropriate fluid pressure and flow rate, enabling rapid adaptation to different configurations without time-consuming manual settings
Data Source
AI summary
A fuel cell mount apparatus includes a plurality of fuel cell stacks, a pipe arrangement, a fluid adjustment part, a pressure detection part, and a control device. The pipe arrangement is individually connected to each of the fuel cell stacks. The fluid adjustment part adjusts a pressure or a flow rate of a fluid which flows through the pipe arrangement. The pressure detection part is disposed on a portion which requires a desired pressure or flow rate of the fluid in the pipe arrangement and detects the pressure of the fluid. The control device controls the fluid adjustment part on the basis of a detection result of the pressure detection part.