Rail Vehicle Transfer Device for Multiplexed Bogie Sensor Data
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing rail vehicle systems require complex and error-prone cable connections between the car body and bogie, leading to increased maintenance time and susceptibility to external factors, which complicates reliable data transfer and condition monitoring.
Innovation Solution
A transfer device with a coupling unit at the bogie, featuring sensor interfaces and an additional interface for multiplexing data transfer to an electronic device, reducing the need for multiple cables and enabling reliable, efficient data transfer and condition monitoring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If multiple cable connections are used between car body and bogie for sensor data transfer, then data transfer capability is improved, but device complexity and maintenance requirements increase
Solution Approach 1:
The patent combines multiple separate cable connections into a single multiplexed communication interface. The coupling unit integrates multiple sensor interfaces and combines their data streams through multiplexing, allowing all sensor data to be transmitted through one cable connection between the car body and bogie, thereby reducing complexity while maintaining data transfer reliability
Solution Approach 2:
The multiplexing interface serves multiple functions simultaneously - it handles data from multiple sensors, provides power supply, and enables bidirectional communication between the car body and bogie. This multi-functional interface replaces what would traditionally require multiple separate connections, reducing overall system complexity
2Loss of information
If multiple cable connections are used between car body and bogie, then complete data transfer is improved, but maintenance time increases
Solution Approach 1:
By merging multiple cable connections into a single multiplexed interface, the patent reduces the number of connections that need to be checked and reconnected during maintenance operations. The single interface design allows for quicker connection and disconnection during bogie changes, directly reducing maintenance time while the multiplexing ensures complete data transfer from all sensors
3Reliability
If multiple cable connections are used between car body and bogie, then sensor data transfer is improved, but susceptibility to external factors increases
Solution Approach 1:
The patent reduces the number of cable connections from multiple to a single multiplexed connection. Fewer cables mean fewer potential failure points and reduced exposure to external harmful factors such as moisture, corrosion, and mechanical damage. The single robust interface is less susceptible to these environmental factors compared to multiple separate connections
Data Source
AI summary
A transfer device for a rail vehicle including a car body including an electronics device, and a bogie, the transfer device comprising: a coupling unit arrangeable at the bogie and including a plurality of sensor interfaces, wherein each of the sensor interfaces is electrically connectable with a respective sensor configured to capture an operating variable of the bogie, and including an additional interface connectable with the electronics device, wherein the coupling unit is configured to transfer operating variables of the sensors received through the sensor interfaces, and wherein a transfer of the operating variables is performed through the additional interface to the electronics device using a multiplexing method.