Hydrogen Refilling Cube With Pre-Compressed Storage for Drones
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Solution Overview
Problem
Current methods for refilling drones with hydrogen are inefficient, requiring lengthy processes and limiting their operational flexibility and flight time.
Innovation Solution
A hydrogen producing cube system that includes an electrolyzer unit for producing hydrogen from water and electricity, a compressor unit for compressing hydrogen, and a liquefier unit for converting hydrogen into liquid form, integrated with a trailer and drone box setup for flexible and rapid refilling, along with modular components for adaptable use cases.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If current refilling methods are used, then drones can be refilled with hydrogen, but the refilling process takes a long time and limits operational flexibility
Solution Approach 1:
The system pre-produces hydrogen through electrolysis and stores it in high-pressure tanks before the drone needs refilling. This preliminary preparation allows rapid transfer of hydrogen to the drone without time-consuming on-site generation, directly resolving the contradiction between refilling capability and refilling time.
Solution Approach 2:
The patent introduces an intermediary storage system (high-pressure hydrogen tanks) between the hydrogen source and the drone. This intermediary allows hydrogen to be prepared in advance and quickly transferred, eliminating the need for slow direct refilling while maintaining operational flexibility.
2Adaptability or versatility
If a portable hydrogen production system is used, then operational flexibility is improved, but system complexity increases
Solution Approach 1:
The system is divided into separate functional modules: electrolysis unit, compression unit, storage tanks, and refilling interface. This segmentation allows each component to be optimized independently and facilitates easy deployment in different operational contexts, managing complexity while maintaining flexibility.
Solution Approach 2:
The portable system is designed to serve multiple functions: hydrogen production through electrolysis, compression to high pressure, storage in tanks, and rapid refilling of drones. This multi-functionality consolidates what would otherwise require multiple separate systems, reducing overall complexity while enhancing operational versatility.
3Quantity of substance
If high-pressure storage is used, then hydrogen density is increased, but safety requirements and system complexity increase
Solution Approach 1:
The system changes the physical parameters of hydrogen storage by compressing it to high pressure (e.g., 350-700 bar). This parameter change dramatically increases hydrogen density, allowing more fuel to be stored in compact tanks, though it does introduce additional safety considerations that must be managed through proper engineering controls.
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 system enables rapid and efficient hydrogen refilling, enhancing drone flight time and operational flexibility by providing a portable and adaptable solution for hydrogen production and storage.
Implementation Method 1
The electrolyzer unit produces hydrogen from water and electricity
Implementation Method 2
The compressor unit compresses the hydrogen
Implementation Method 3
The liquefier unit liquifies the hydrogen
Implementation Method 4
The liquefier unit comprises a cooler. The cooler cools the hydrogen to make it liquid
Data Source
AI summary
A hydrogen producing cube for refilling a hydrogen cylinder comprising a hydrogen cylinder holder, a compressor unit, an electrolyzer unit, and a liquefier unit.