Railroad Switch Controller Box for Powered and Non-Powered Modes
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Solution Overview
Problem
Current railroad switch systems are inefficient due to the need for multiple controller boxes for powered and non-powered modes, and electronic proximity sensors are costly, unreliable, and fail in extreme temperatures, lacking functionality for non-power applications.
Innovation Solution
A system and method for a controller box that operates in both powered and non-powered modes, using a normal and reverse switch point with movable switch rails, and a controller box with sliding blocks to establish electrical contacts, verifying positions to send open or maintain switch connections, facilitating safe and unsafe condition detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If electronic proximity sensors are used for switch point detection, then detection capability is provided, but cost increases, reliability decreases, and the system fails in extreme temperatures while lacking non-power application functionality
Solution Approach 1:
The patent replaces electronic proximity sensors with a mechanical detection system using a detent mechanism and switch assembly. The mechanical switch is actuated by the movement of switch points through a detent mechanism, providing reliable detection without electronic components that fail in extreme temperatures. This mechanical substitution resolves the contradiction by eliminating temperature-sensitive electronics while maintaining detection capability.
Solution Approach 2:
The patent employs simple, inexpensive mechanical components (switches, detents, levers) instead of costly electronic proximity sensors. These mechanical components are rugged, easy to replace, and perform reliably in harsh environments where expensive electronics would fail, directly addressing the cost and reliability contradictions.
2Adaptability or versatility
If multiple controller boxes are used for powered and non-powered modes, then mode-specific control is achieved, but system complexity and cost increase
Solution Approach 1:
The patent designs a single controller box that performs both powered mode control (with motor operation) and non-powered mode control (with manual operation). The controller includes a motor operator that can be engaged or disengaged, allowing the same device to handle both operational modes. This universality eliminates the need for separate controller boxes for each mode, reducing system complexity while maintaining adaptability.
Solution Approach 2:
The patent merges the functionality of separate powered-mode and non-powered-mode controller boxes into a single integrated controller. The controller box combines motor operation circuitry, manual operation mechanisms, and switch detection into one unified device, simplifying the overall system architecture while preserving all required control capabilities.
3Productivity
If a single controller box operates in both powered and non-powered modes, then efficiency improves and cost reduces, but the system must handle diverse operational requirements
Solution Approach 1:
The patent implements a dynamic controller box that can switch between powered and non-powered modes based on operational requirements. The motor operator can be engaged for powered operation or disengaged for manual operation, allowing the system to adapt its operational mode dynamically. This dynamic capability enables a single controller to efficiently handle diverse operational requirements without sacrificing adaptability.
Data Source
AI summary
A system is provided for temporary protection operation of at least one controller box for a railroad switch turnout in a powered mode or non-power mode depending on the railroad configuration and independent of the controller box. A normal controller box is coupled to the normal switch point and includes a block slidably received within the housing based on moving the normal switch point to establish at least one pair of electrical contacts within the housing. A controller is coupled to the controller box to verify a pair of compressed contacts to determine that the normal switch point has moved to the normal position to cause the controller box to send an open signal to a pair of switch connections. The controller also verifies a pair of extended contacts to determine that the normal switch point has failed to move to the normal position to omit to cause said controller box to send an open signal to the pair of switch connections and maintain each respective switch connection to shunt the stationary stock rails.