RFID Transponder with Breaking Point for Rail Vehicle Movement Detection
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Solution Overview
Problem
Current methods for detecting relative movements between components of rail vehicles, especially in high-speed railway systems, are inefficient and prone to human error, posing safety risks and increasing maintenance costs due to the difficulty in accessing and analyzing safety-relevant points like connections in the chassis.
Innovation Solution
The use of RFID transponders with a predetermined breaking point attached to vehicle components, which lose functionality upon undesired relative movement or position change, allowing for quick and cost-effective detection of defects even in hard-to-reach areas, reducing human influence and enabling continuous monitoring of the vehicle's running gear.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If visual inspections and running gear checks are performed manually, then safety-relevant defects can be detected, but the inspection process is time-consuming and involves great effort due to limited accessibility
Solution Approach 1:
The system enables self-monitoring of the running gear through RFID transponders that automatically detect and report defects such as loosened connections or missing components without requiring manual inspection, thereby reducing inspection time while maintaining safety
Solution Approach 2:
Manual visual inspection is replaced by an automated electronic monitoring system using RFID transponders and a control unit that continuously monitors the running gear components, eliminating the need for time-consuming manual checks
2Reliability
If manual visual inspections are used to detect defects, then safety-relevant points can be checked, but human error may occur and defects can be overlooked
Solution Approach 1:
The RFID transponder system performs self-verification of its own integrity and automatically detects defects without human intervention, eliminating human error and ensuring consistent detection accuracy
Solution Approach 2:
The control unit continuously receives feedback from RFID transponders on the functional status of running gear components, enabling real-time detection and reporting of defects with high precision without human error
3Reliability
If RFID transponders are attached to all running gear components, then defect detection capability is improved, but device complexity increases
Solution Approach 1:
A single RFID transponder design is used for multiple running gear components, providing universal defect detection functionality across different parts while maintaining simple individual unit design, thus improving overall detection capability without proportionally increasing system complexity
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 solution enables rapid and cost-effective detection of defects, reducing maintenance effort and improving safety by automatically identifying relative movements and position changes, such as loosened screws, thereby enhancing vehicle availability and safety without the need for extensive manual inspections.
Implementation Method 1
Radio frequency identification (RFID) usually involves carrying out identification using electromagnetic waves. RFID thus enables objects, etc. to be automatically recognized and/or localized
Data Source
AI summary
The invention relates to a device for the largely automatic detection of relative movements and/or positional changes in components of a vehicle, in particular in rail vehicles and/or trains. Here, what is known as an RFID (radio-frequency identification) transponder (5) is attached to a component (1) to be monitored of the vehicle, for example a component which produces a connection by means of a connecting element (3, 4) to another component (2). Here, the RFID transponder (5) has a predetermined breaking point (6) and is attached to the component (1) in such a way that a relative movement and/or positional change of the component (1, 3) leads to the fracture of the RFID transponder (5) at the predetermined breaking point (6) and therefore to the functional loss. By way of the device according to the invention, (even very small) relative movements and/or positional changes of components (1, 2) can therefore already be detected at an early stage in a simple way in a vehicle, in particular in rail vehicles and trains and here, above all, in their undercarriages.