Rail Track Heating with Segmented Main and Secondary Elements
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Solution Overview
Problem
Existing track heating systems for rail-bound vehicles face challenges in providing balanced and sufficient heating, especially during extreme weather conditions, leading to uneven heating and increased maintenance costs due to the need for additional sensors and complex energy management systems.
Innovation Solution
A method and device that incorporate a main heating element and a secondary heating element, where the secondary element is activated during heating breaks or when additional power is available, without requiring its own control sensor, to ensure balanced heating of track elements without increasing the connected load or technical complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If only main heating elements are used for regular heating, then the heating system is simple and cost-effective, but the heating is insufficient during extreme weather conditions and creates temperature drops between heated and unheated areas
Solution Approach 1:
The heating system is segmented into main heating elements for regular heating and secondary heating elements for supplemental heating during extreme conditions. This segmentation allows the system to maintain simplicity during normal operation while providing enhanced heating capability when needed, resolving the contradiction between reliability and device complexity.
Solution Approach 2:
The system dynamically switches between main and secondary heating elements based on operational conditions. The control device activates secondary heating elements during heating breaks or when additional power is available, creating a dynamic heating strategy that adapts to varying weather conditions and power availability, thereby improving heating sufficiency without permanently increasing system complexity.
2Manufacturing precision
If secondary heating elements are activated during heating breaks, then balanced heating is achieved, but the control system becomes more complex requiring additional sensors and energy management
Solution Approach 1:
The control of secondary heating elements is merged with the existing control infrastructure. The same control device that manages main heating elements also controls secondary elements, and the system uses existing temperature sensors and power management logic. This merging approach achieves balanced heating without proportionally increasing control system complexity.
Solution Approach 2:
The control device is designed with multi-functionality, serving both main and secondary heating elements. The energy management system performs multiple functions including monitoring temperature, managing power distribution, and coordinating heating operations. This universality allows the system to achieve uniform heating while avoiding the need for separate dedicated control systems.
3Reliability
If heating power is increased to handle extreme weather conditions, then operational safety is maintained, but energy consumption increases significantly
Solution Approach 1:
The system employs periodic action by activating secondary heating elements during heating breaks when main elements are already providing heat. This timing strategy allows the system to accumulate heating effect over time without requiring continuous high-power operation, thereby maintaining operational safety during extreme weather while reducing peak energy consumption and overall energy usage.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
This approach optimizes energy use, reduces maintenance efforts, and ensures balanced heating of functional parts during extreme weather conditions, maintaining operational safety without the need for additional sensors or increased installation costs.
Implementation Method 1
electrical energy... electric heating elements on the switch rails, which are thereby heated
Data Source
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AI summary
The present invention relates to a method for the enhanced heating of track elements (12), wherein at least one main heating element (13) for regular heating is provided on at least one track element (12) and at least one secondary heating element (14) is provided on at least one functionally relevant component of the track element (12), comprising the steps a) regular heating of a track element (12) by means of the at least one main heating element (13), b) heating of the at least one functionally relevant component of the track element (12) by means of the at least one secondary heating element (14) on the at least one track element (12) during heating breaks of the at least one main heating element (13) or after reaching a target temperature of the track element (12) in the area of the at least one main heating element (13) or when power reserves are available.if the heating power required at the track element (12) is greater than the heating power of the at least one main heating element (13) installed on the track element (12), wherein heating by means of the at least one secondary heating element (14) is activated c1) when a maximum control deviation Δmax is exceeded for the at least one functionally relevant component of the track element (12), or c2) by means of an additional switch (26) in a control device (3), or c3) when a predefinable environmental parameter is undershot. Furthermore, the present invention relates to two alternative devices for the enhanced heating of track elements (12).