Double 2-Vote-2 Turnout Drive System Reducing Relay Complexity
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Solution Overview
Problem
Existing non-national standard turnout drive systems require complex and costly relay and monitoring circuits, which occupy significant space and lack timely alarm functionality for maintenance, and are limited to supporting a single type of switch.
Innovation Solution
A non-national standard turnout drive system based on a double 2-vote-2 architecture, utilizing an interlocking processing subsystem, full-electronic communication module, and redundant non-national standard turnout drive modules with FPGA and CPU, supporting dual hot-backup redundancy, and capable of driving various types of turnout switches by changing external wiring.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If complex relay circuits and monitoring circuits are used to drive non-national standard turnouts, then the system can achieve correct driving and collect representation information, but the system becomes costly and occupies significant space in the machine room
Solution Approach 1:
The patent replaces traditional mechanical relay circuits with an electronic control system consisting of a controller, drive module, and communication module. The controller processes signals and controls the drive module to operate the turnout, while the communication module transmits representation information. This substitution eliminates the need for complex relay circuits and monitoring circuits, reducing both cost and space occupation while maintaining reliability
Solution Approach 2:
The controller integrates multiple functions including signal processing, drive control, and communication into a single device. The drive module serves both as an actuator for the turnout and as part of the monitoring system. This multi-functionality reduces the overall number of components needed, simplifying the system structure and reducing space requirements
2Reliability
If more relays and monitoring circuits are installed to drive non-national standard turnouts, then the system can achieve correct operation, but maintenance becomes difficult and alarms cannot be sent in time when a relay fails
Solution Approach 1:
The communication module continuously monitors the status of the turnout and transmits representation information to the controller. The controller can detect failures and send alarms in real-time, enabling timely maintenance. The feedback mechanism ensures that any issues are identified immediately, improving both reliability and ease of repair
Solution Approach 2:
The system includes self-diagnostic capabilities where the controller automatically monitors the status of all components and can identify failures without requiring manual inspection. The communication module enables automatic alarm generation and transmission, reducing the need for manual maintenance and improving response time
3Ease of repair
If electronic circuit modules are used to replace coil relays, then maintenance workload is reduced, but the system still uses complicated electronic circuits and various modules that are costly and occupy significant space
Solution Approach 1:
The patent merges the controller, drive module, and communication module into an integrated system. The controller combines signal processing and drive control functions, while the communication module integrates monitoring and alarm capabilities. This consolidation reduces the number of separate components and simplifies the overall system structure, reducing both cost and space occupation while maintaining reduced maintenance workload
4Adaptability or versatility
If traditional relay circuits are used, then the system can support specific switch types, but it cannot support multiple types of switches and requires different circuit configurations for each switch type
Solution Approach 1:
The controller includes a configuration module that can dynamically adjust its parameters and control signals based on the type of switch being operated. The system can be reconfigured through software or parameter settings to accommodate different switch types without requiring physical changes to the circuit architecture. This dynamic adaptability enables support for multiple switch types while maintaining a single, standardized circuit configuration
Data Source
AI summary
The disclosure relates to a non-national standard turnout drive system based on a double 2-vote-2 architecture, including an interlocking processing subsystem IPS, an interlocking maintenance station SDM, a non-national standard turnout drive module HIOM and an interlocking maintenance station SDM, wherein the non-national standard turnout drive module HIOM, a full-electronic communication module EIOCOM2, and the interlocking processing subsystem IPS are connected with each other in order, and the full-electronic communication module EIOCOM2 is connected to the interlocking maintenance station SDM; two non-national standard turnout drive module HIOMs, which are mutually redundant, obtain turnout drive commands through the interlocking processing subsystem IPS to control drive relays in a non-national standard turnout to lift and fall for driving the turnout to rotate toward a specified direction, while collecting representation information of the turnout and determining a position of the turnout. Compared with the prior art, the disclosure has advantages of high reliability and strong maintainability.