Railway Fire Fighting Section Valve Network Integration
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Solution Overview
Problem
Existing fire fighting systems for railway vehicles face challenges in remote control and maintenance due to the need for extensive cabling and complex installation efforts, particularly with magnetic and electrically operated section valves.
Innovation Solution
Incorporating a signal processing means into section valves that allows for electrical connection via a data communication network, enabling simple control and communication with a central control unit, and using electrically operated section valves with adjustable motors, reducing the need for additional cabling and facilitating independent control of different sections within the vehicle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If magnetic valves or electrically operated section valves are used with separate cables for control, then remote control capability is achieved, but installation effort and expenditure increase significantly
Solution Approach 1:
The patent combines multiple control functions (adjustment means, limit switches, maintenance switches, auxiliary drive control) into a single integrated cable connection between the central control unit and the section valve. This merging eliminates the need for separate cables for each function, significantly reducing installation effort and complexity while maintaining full remote control capability.
Solution Approach 2:
The single cable connection serves multiple functions simultaneously: it provides power supply, transmits control signals for valve adjustment, communicates limit switch status, enables maintenance mode operation, and controls the auxiliary drive. This multi-functional cable replaces what would traditionally require multiple separate cables and components.
2Ease of operation
If multiple separate lines are used to connect each section valve to the central control unit, then comprehensive control is achieved, but installation expenditure and effort increase
Solution Approach 1:
The patent merges all control lines into a single integrated cable connection that carries multiple signals and power simultaneously. This approach maintains comprehensive control capability over all valve functions while dramatically reducing the installation effort required compared to laying multiple separate cables throughout the vehicle.
3Ease of operation
If extensive cabling is used for remote control of section valves, then control functionality is maintained, but weight and space increase
Solution Approach 1:
The patent combines multiple control functions into a single cable connection, thereby reducing the total amount of cabling required in the vehicle. This weight reduction is particularly significant in railway vehicles where every kilogram counts, while still maintaining full remote control functionality for all section valve operations.
Data Source
AI summary
The invention relates to a fire fighting system, in particular for a railway vehicle, with a supply line for supplying at least one extinguishing nozzle with extinguishing fluid, wherein at least one section valve is arranged between the extinguishing nozzle and the supply line, wherein the section valve includes a signal processing means for controlling an adjustment means of the section valve, wherein the signal processing means can be electrically connected via a data communication network to a central control unit.