Composite Fire-Fighting Container for Rail Vehicles
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Solution Overview
Problem
Conventional fire-fighting devices for rail vehicles are not suitable for environments with varying conditions, particularly those prone to freezing, and face challenges with weight savings, cost-effectiveness, and flexible manufacturability, especially with high-pressure water mist systems using steel cylinders.
Innovation Solution
A fire-fighting device utilizing a plastic composite material for the extinguishing liquid container, which allows for various form factors, significant weight savings, and enhanced pressure resistance, along with a design that includes multiple outlets for easier installation and refilling, and incorporates a heating system to prevent freezing, ensuring reliable operation in diverse environments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If steel cylinders are used for extinguishing fluid containers, then pressure resistance is ensured, but weight increases significantly
Solution Approach 1:
The patent applies composite materials (specifically fiber-reinforced plastics such as carbon fiber, glass fiber, or aramid fiber reinforced plastic) to manufacture the extinguishing fluid container. This composite material structure provides sufficient pressure resistance while significantly reducing weight compared to conventional steel cylinders, directly resolving the contradiction between strength and weight.
2Ease of manufacture
If steel cylinders with fixed form factor are used, then manufacturing is simplified, but installation flexibility is severely limited
Solution Approach 1:
The patent enables the container to be manufactured in various form factors and configurations using composite materials, allowing the container shape and outlet positions to be dynamically adapted to different installation spaces and requirements in rail vehicles, thereby improving installation flexibility while maintaining manufacturing feasibility.
3Ease of manufacture
If single outlet design is used, then manufacturing is simplified, but refilling becomes difficult and costly
Solution Approach 1:
The patent divides the outlet structure into multiple separate outlets on the container body, allowing independent access for refilling operations. This segmentation enables refilling to be performed without removing the entire container, significantly improving ease of repair and maintenance while the modular outlet design remains compatible with composite material manufacturing processes.
4Reliability
If water is used as extinguishing agent, then extinguishing effectiveness is high, but freezing damage occurs in cold environments
Solution Approach 1:
The patent implements preventive measures against freezing by designing the composite container with appropriate wall thickness and material selection to provide thermal insulation, and by incorporating heating elements or insulation layers beforehand. This prior cushioning protects the water extinguishing agent from freezing in cold environments while maintaining its extinguishing effectiveness.
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 a lightweight, cost-effective, and flexible fire-fighting system capable of operating effectively in extreme conditions, with improved weight savings, easier installation, and rapid refilling, while maintaining high-pressure resistance and preventing damage from freezing.
Implementation Method 1
The fire-fighting device incorporates a heating system to prevent freezing
Data Source
Figure 1
AI summary
The invention relates to a fire-fighting device (2) for rail vehicles, comprising a container (4) for the extinguishing fluid provided with an outlet (6) which can be connected to a pipe system (10) and which can discharge the extinguishing fluid (4a) stored in the container (4) for the extinguishing fluid. Said fire-fighting device can have a particularly flexible structure such that the container (4) for the extinguishing fluid is made of a plastic composite material.