Independent Sliding Platform Door Panels for Train Interoperability
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Solution Overview
Problem
Existing platform doors are inflexible and require oversizing to accommodate different train door arrangements and braking tolerances, leading to increased weight, slower operation, and difficulty in aligning with train doors, causing delays and limiting interoperability with various train models.
Innovation Solution
A platform door system with sliding, mobile panels that can adjust laterally and telescopically to adapt to different train door configurations, using traction means and detection/control systems to optimize alignment and opening/closing times.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If platform doors are oversized to accommodate different train door arrangements and braking tolerances, then adaptability to various train models is improved, but door weight increases and opening/closing times increase
Solution Approach 1:
The platform door is divided into multiple independent mobile panels (at least three panels) that can move separately. Each panel can be independently positioned to align with different train door configurations, eliminating the need for a single oversized door while maintaining adaptability to various train models.
Solution Approach 2:
The mobile panels are equipped with traction means that enable them to move dynamically between closed and open positions. The panels can adjust their positions in real-time based on train arrival and door alignment requirements, optimizing both adaptability and operational speed.
2Adaptability or versatility
If platform doors are oversized to accommodate different train door arrangements, then adaptability to various train models is improved, but door control difficulty increases
Solution Approach 1:
By segmenting the door into multiple smaller mobile panels, each panel becomes easier to control independently. The traction means can manage each panel separately, reducing the complexity and difficulty of controlling a single large oversized door while maintaining the ability to accommodate different train configurations.
Solution Approach 2:
The mobile panels serve multiple functions: they can align with different train door positions, open for passenger access, and close for safety. This multi-functionality is achieved through a compact, adaptable design that doesn't require oversized dimensions.
3Ease of manufacture
If fixed position platform doors are used, then manufacturing and installation simplicity is improved, but interoperability with different train door configurations is reduced
Solution Approach 1:
The mobile panels can dynamically adjust their positions to match different train door configurations. This dynamic capability allows the same door system to interoperate with various train models without requiring manual reconfiguration or complex installation adjustments, maintaining ease of manufacture while achieving versatility.
Solution Approach 2:
The traction means automatically position the mobile panels in the correct locations based on train arrival and door configuration detection. This self-positioning capability eliminates the need for manual adjustment during installation and operation, maintaining installation simplicity while achieving adaptability to different train models.
Data Source
AI summary
The present invention relates to a platform door (1) for accessing train doors (2) from a platform (3) comprising a plurality of sliding mobile panels (5) that can slide laterally in an independent manner by means of respective tractions means (6), wherein each mobile panel (5) has a fixed panel length (l1) and is adapted to slide laterally and be arranged adjacent to other mobile panels (5) adopting a closing position (A) leaving no passageway (7) between mobile panels (5), and each mobile panel (5) being further adapted to slide laterally and at least partially overlap with one of the adjacent mobile panels (5) thereof, adopting an opening position (B) defining passageways (7) between mobile panels (5) for accessing train doors (2).