Railway Carriage Wiring System with Segmented Connectors
Solution Overview
Problem
Current wiring systems for connecting railway vehicle carriages are complex to install and maintain, and pose safety risks during emergencies due to fixed coupling that can result in cable damage when carriages are detached.
Innovation Solution
A wiring system comprising a mobile 'hanging' cable with individual shielded cables and modular connectors, along with fixed wiring, designed to withstand reciprocal movements and facilitate easy installation and maintenance, featuring a quick-release mechanism for safe emergency separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed coupling wiring systems are used to connect carriages, then connection stability is improved, but cable damage occurs during emergency separation
Solution Approach 1:
The fixed coupling wiring system is segmented into modular connector components that can be independently separated. The connectors are designed with coupling and decoupling capabilities, allowing the wiring system to maintain stability during normal operation while enabling safe separation during emergencies without damaging the cables themselves.
2Reliability
If complex wiring systems are used for data transmission between carriages, then communication reliability is improved, but installation and maintenance complexity increases
Solution Approach 1:
The wiring system is divided into standardized modular connectors that can be pre-assembled and tested independently. This segmentation allows for simplified installation through modular assembly and easier maintenance by isolating specific connector sections, reducing the overall complexity while maintaining communication reliability across multiple carriages.
Solution Approach 2:
The connector design incorporates standardized parameters for coupling mechanisms, pin configurations, and shielding specifications. By establishing uniform parameters across all connectors in the system, installation procedures are simplified and maintenance becomes more predictable, reducing complexity while ensuring reliable data transmission.
Data Source
Figure 1
Figure 2A~2B
Figure 3A~3B
AI summary
A wiring system (1) is described in particular for the electrical connection between a first (2a) and a second (2b) carriage of a railway vehicle (3); the wiring system (1) has at least one mobile wiring (4) having a first and a second end connected to a respective connector (12) designed for coupling to fixed panel elements (8a, 8b) carried by facing outside walls of the first (2a) and respectively, second (2b) carriages. The mobile wiring (4) has a single sheath (10) enclosing a number of cables (11a-11d) separate and distinct, each designed for a different application, jointly designed to provide complete connectivity in terms of data and control signals between the carriages. The wiring system (19) also provides for a first (5a) and a second (5b) fixed wiring, each arranged at a respective carriage, and designed to interface electrically with a respective end of the mobile wiring for the corresponding electrical connection to onboard equipment (6a, 6b).