Rail Vehicle Control Device with Modular Semiconductor Switching
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Solution Overview
Problem
Conventional control devices for rail vehicles are space-consuming and complex due to their distributed nature, requiring centralized control of various vehicle functions which complicates their operation.
Innovation Solution
A compact control device with multiple control modules, each capable of actuating and controlling specific vehicle functions like sanding and rail brakes, featuring semiconductor power switching devices and logic units for logical signal processing, with independent power supplies and electrical isolation to prevent malfunction propagation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If conventional switching devices such as relays are used to control vehicle functions, then the control can be distributed throughout the rail vehicle, but the device becomes space-consuming and structurally complex
Solution Approach 1:
The patent combines multiple control modules (first control module for sanding, second control module for rail brake, third control module for spring-loaded brake) into a single integrated control device with a common housing. This merging approach consolidates previously distributed relay-based control systems into one compact unit, reducing spatial requirements while maintaining the ability to control multiple vehicle functions independently through standardized control modules
2Adaptability or versatility
If conventional switching devices are distributed throughout the rail vehicle, then control of various functions is possible, but the control system becomes complex requiring distributed control mechanisms
Solution Approach 1:
The control device employs universal control modules that can control different vehicle functions (sanding, rail brake, spring-loaded brake) through standardized interfaces. Each control module contains a logic unit and semiconductor power switching device that can be configured for different functions, allowing one control device to perform multiple control tasks without requiring complex distributed control systems
Solution Approach 2:
The control device is segmented into independent control modules, each responsible for a specific vehicle function. This segmentation allows each module to operate independently with its own logic unit and power switching device, simplifying the overall control system architecture while maintaining versatility in controlling multiple functions
3Area of stationary object
If multiple control modules are integrated in a single housing, then space requirements are reduced, but the device must handle multiple control functions simultaneously
Solution Approach 1:
The control device is divided into separate control modules (first control module, second control module, third control module) housed together in a common housing. Each module is functionally independent with its own logic unit and semiconductor power switching device, allowing the compact integrated structure to maintain the ability to control multiple different vehicle functions simultaneously without functional interference
Data Source
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AI summary
A control device for installation in a rail vehicle and for actuating equipment in a rail vehicle is proposed. The control device comprises a housing (1) and at least two control modules (10, 10') arranged in the housing. Each control module (10, 10') includes at least one switching input (11, 11'); a logic unit (12, 12') connected to the switching input (11, 11'); a semiconductor power switching device (13, 13') connected to and controllable by the logic unit (12, 12'); and at least one power output (16, 16') connected to the semiconductor power switching device (13, 13'). The first control module (10) is connectable to a rail vehicle's sanding system via the power output (16) and is configured to control and actuate it.The second control module (10') can be connected to a rail brake of the rail vehicle via the power output (16') and is designed to control and actuate it.