Fuel Cell Cooling Valve Mass Flow Control
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing fuel cell cooling systems lack a universal, autonomously regulated liquid cooling solution that can efficiently manage temperature variations and thermal input changes without external control signals, leading to potential inefficiencies and reliability issues.
Innovation Solution
A liquid cooling device with individually speed-controlled fans, a temperature-controlled two-way valve, and an internal sensor system that autonomously regulates the mass flow distribution and fan speed based on measured temperature values, allowing for adaptive cooling and heating without external control, and featuring a buffer storage for cooled liquid and a filter device for increased reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a liquid cooling device is designed as an independent unit with autonomous temperature control, then reliability and ease of operation are improved, but device complexity increases due to integrated sensors and control mechanisms
Solution Approach 1:
The liquid cooling device is designed to autonomously regulate its own operation through integrated temperature sensors and control mechanisms. The device monitors its own temperature conditions and automatically adjusts cooling parameters without requiring external control signals, enabling the system to serve itself and maintain reliable operation independently.
Solution Approach 2:
The liquid cooling device is designed as a universal independent unit that can be applied to various fuel cell devices. By integrating multiple functions (temperature sensing, flow control, cooling regulation) into a single self-contained module, the device achieves both versatility and reliability while managing complexity through functional integration.
2Adaptability or versatility
If mass flow distribution is autonomously regulated based on temperature values, then adaptability is improved, but device complexity increases due to control mechanisms
Solution Approach 1:
The liquid cooling device incorporates temperature sensors that continuously monitor thermal conditions and provide feedback to the control mechanism. Based on this feedback, the device autonomously adjusts the mass flow distribution of the cooling liquid, enabling adaptive response to changing temperature conditions without requiring complex external control systems.
Solution Approach 2:
The device regulates its own mass flow distribution autonomously based on measured temperature values. The integrated control mechanism enables the system to self-adjust cooling parameters according to its own operational conditions, achieving adaptability while maintaining a relatively simple overall structure.
3Productivity
If multiple speed-controlled fans are provided for adaptive cooling, then cooling efficiency is improved, but use of energy increases
Solution Approach 1:
The liquid cooling device employs multiple fans with individually controllable speeds rather than operating all fans at constant high speed. The system dynamically adjusts fan speeds based on measured temperature values, enabling adaptive cooling that maintains high cooling efficiency when needed while reducing energy consumption during milder thermal conditions.
Solution Approach 2:
The device changes operational parameters (fan speeds) based on thermal conditions to optimize the balance between cooling efficiency and energy consumption. By varying fan speeds rather than maintaining constant high-speed operation, the system achieves effective cooling when required while minimizing energy use during normal operating conditions.
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 provides efficient and adaptive cooling, enabling quick startup and optimized operating temperatures for fuel cell devices, minimizing energy consumption and reducing the risk of pump malfunctions by maintaining a constant mass flow, while being universally applicable and independent of external control signals.
Implementation Method 1
a radiator (220) and a plurality of fans (222), which are individually speed-controlled and which are aligned with the radiator
Implementation Method 2
a radiator (220) and a plurality of fans (222), which are individually speed-controlled and which are aligned with the radiator
Implementation Method 3
a temperature-controlled two-way valve (232), through which a mass flow distribution of the liquid to the first way and the second way can be set via the two-way valve
Data Source
Figure 1
Figure 2
Figure 3
AI summary
The invention relates to a fluid cooling apparatus for a fuel cell device, which is configured as an independent unit and by which cooling fluid can be provided to the fuel cell device and heated fluid can be removed from the fuel cell device, comprising an inlet connection for fluid, an outlet connection for fluid, a radiator, at least one fan, which is speed-governed and aligned with the radiator, and a temperature-controlled two-way valve, wherein a first path is guided through the radiator and a second path is guided past the radiator, and wherein by way of the two-way valve a mass flow division of the fluid to the first path and the second path can be set.