Wireless Control of Railway Switch Heaters

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Solution Overview

Problem

Conventional railroad switch heaters and other railway implements require manual operation and maintenance, exposing personnel to harsh weather conditions and safety hazards due to the need for physical access to control panels, which are often located in close proximity to operating rail lines and buried cables, making it difficult to add additional cabling for control.

Innovation Solution

A local wireless network system that allows remote monitoring and control of railway ancillary implements using a portable control system with wireless communication, enabling railroad service personnel to connect wirelessly to Switch Heater Control systems and other railway implements, utilizing a mesh network with MAC address filtering and encryption for secure access and data transmission.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If personnel physically access control panels for manual operation and maintenance, then direct control and monitoring of railway implements is achieved, but personnel are exposed to harsh weather conditions and safety hazards

Engineering Contradiction:

Improvemanual operation of railway implementsVSAvoidexposure to harsh weather and safety hazards

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the mechanical system of physical access to control panels with a wireless communication system. A wireless module in the railway implement transmits data and receives control commands via wireless signals, eliminating the need for personnel to physically access control panels in harsh weather conditions while maintaining full operational capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces a wireless communication module as an intermediary between personnel and the railway implement. This intermediary enables remote operation by transmitting control commands and status information without requiring direct physical contact with the implement or its control panel, thereby protecting personnel from harmful environmental factors.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Adaptability or versatility

If additional cabling is installed for control of railway implements, then enhanced control capability is achieved, but buried cables pose difficulties and increase system complexity

Engineering Contradiction:

Improvecontrol capability of railway implementsVSAvoidcabling infrastructure

Core Design Contradiction:

Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The patent substitutes the mechanical cabling infrastructure with a wireless communication system. Instead of installing additional cables to extend control capability, the system uses wireless modules that communicate via radio frequency signals, thereby enhancing adaptability without increasing physical infrastructure complexity.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent extracts the communication function from the physical cabling infrastructure. By implementing wireless modules in both the railway implement and the control device, the system separates the control capability from the need for additional cabling, allowing enhanced control without the complexity of buried cable installations.

Inventive Principle:

Principle #2Taking out (Extraction)

3Ease of operation

If control panels are located in close proximity to operating rail lines, then ease of access is improved, but safety risks increase due to proximity to hazardous areas

Engineering Contradiction:

Improveaccess to control panelsVSAvoidsafety risks from proximity to rail lines

Core Design Contradiction:

Ease of operationVSObject-affected harmful factors

Solution Approach 1:

The patent replaces the physical access requirement with wireless communication. The control panel can be located remotely from the railway implement, and personnel can operate the system from a safe distance using wireless interfaces, thereby eliminating safety risks associated with proximity to operating rail lines while maintaining operational ease.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent introduces wireless communication as an intermediary that decouples the physical location of the control panel from the operational capability. This allows control panels to be positioned in safe locations away from hazardous areas while maintaining full control functionality through wireless transmission, thereby eliminating safety risks without sacrificing ease of operation.

Inventive Principle:

Principle #24Intermediary (Mediator)

Data Source

PatentUS9330562B2Local wireless network remote control of ancillary railway implements

Publication Date: 2016.05.03 RAILWAY EQUIP CO INC

AI summary

Systems and methods for local wireless network remote control of ancillary railway implements are described herein. In one implementation, a portable computing module uses a wireless module to control an ancillary railway implement. In one implementation, the portable computing module connects through ancillary railway implement to control one or more nodes, where the nodes are additional ancillary railway implements.