Supercapacitor Backup for Gate Crossing Motor Reliability
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional gate crossing mechanisms are susceptible to failures and malfunctions, particularly during power outages, which can result in the gate becoming stuck in the open position, leading to unsafe conditions as they cannot be lowered to prevent road traffic from crossing railway lines.
Innovation Solution
Incorporating a supercapacitor power supply to assist the motor in lowering the gate from an open to a closed position during power failures, using a controller that detects power loss and provides power from the supercapacitor to apply an assistive force to the gate, ensuring it can be safely closed even in the absence of primary power.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional motor power supply is used without backup, then the device complexity is reduced, but the reliability deteriorates because the gate cannot be closed during power outages
Solution Approach 1:
The supercapacitor is pre-charged during normal operation before power failure occurs. When power is lost, the pre-stored energy in the supercapacitor immediately activates to drive the motor and close the gate, ensuring reliable operation during critical failure conditions without requiring complex real-time power management systems.
Solution Approach 2:
The supercapacitor acts as an intermediary energy storage device between the main power source and the motor. It bridges the gap during power transitions, providing immediate auxiliary power when the main source fails, thereby protecting the gate closing function without requiring direct integration of complex backup power systems.
2Reliability
If a supercapacitor is added to provide backup power, then the reliability improves, but the device complexity increases
Solution Approach 1:
The supercapacitor module is designed to automatically detect power failures and activate without requiring complex control systems. The inherent electrical characteristics of the supercapacitor enable it to self-engage when voltage drops occur, eliminating the need for additional sensors, controllers, or complex switching mechanisms that would increase system complexity.
3Use of energy by moving object
If primary power is lost, then energy availability decreases, but the gate can still be closed using supercapacitor power
Solution Approach 1:
The supercapacitor accumulates energy during normal operation to create an energy cushion that can be rapidly deployed during power failures. This pre-stored energy buffer ensures that sufficient power is available to complete the gate closing operation even when primary power is completely lost, without requiring continuous energy input during the critical failure period.
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
Enhances the reliability and safety of gate crossing mechanisms by ensuring the gate can be reliably closed during power failures, preventing unsafe conditions and reducing maintenance costs associated with brushed motor wear.
Implementation Method 1
providing, by at least one supercapacitor, power to the motor to initiate the gate moving from an open position to a closed position
Data Source
AI summary
Examples described herein provide a computer-implemented method that includes detecting a loss of power to a motor of the gate crossing mechanism. The motor is operably coupled to a gate of the gate crossing mechanism. The method further includes, responsive to detecting the loss of the power, providing, by at least one supercapacitor, power to the motor to initiate the gate moving from an open position to a closed position.