Integrated Controller for Snow Removal Ejection and Heating
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Solution Overview
Problem
Existing snow removal systems for track junctions operate the ejection and heating devices separately, leading to inefficiencies and increased energy consumption, as they lack coordinated control to effectively manage snow and ice accumulation.
Innovation Solution
A controller that integrates the operation of ejection and heating devices, using a programmable logic controller to manage the ejection device's air pressure, frequency, and time based on the temperature of the rail, and to activate the heating device only when necessary, ensuring efficient snow removal and preventing track switching issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the ejection device and heating device are operated separately, then each device can function independently, but the overall snow removal efficiency decreases and energy consumption increases
Solution Approach 1:
The patent combines the control of the ejection device and heating device into a single integrated control system. The controller receives snow detection signals and coordinates both devices to operate simultaneously or sequentially based on the same decision logic, eliminating the inefficiency of separate independent operations and reducing overall energy consumption.
Solution Approach 2:
The control system is designed to manage multiple functions (snow detection, ejection control, heating control) through a single universal controller. This multi-functional approach allows the system to adaptively respond to snow conditions by coordinating both removal methods, improving overall productivity while optimizing energy usage.
2Reliability
If the heating device operates continuously to prevent snow accumulation, then the rail temperature is maintained, but unnecessary energy is consumed when snow is not present
Solution Approach 1:
The system incorporates a snow detection unit that provides feedback to the controller. The controller uses this feedback to determine when heating is actually needed, activating the heating device only when snow is detected. This feedback mechanism ensures track reliability is maintained while eliminating unnecessary energy consumption during snow-free periods.
Solution Approach 2:
The detection unit continuously monitors for snow presence before the heating device needs to activate. By detecting snow early and triggering the heating device promptly, the system maintains rail temperature and prevents snow accumulation without requiring continuous heating operation, thus reducing energy consumption while ensuring track functionality.
3Productivity
If the ejection device operates at high pressure and frequency to remove snow quickly, then snow removal speed increases, but energy consumption and system wear increase
Solution Approach 1:
The controller dynamically adjusts the ejection device operating parameters (pressure and frequency) based on real-time snow detection feedback. When snow is detected, the ejection device operates at optimized pressure and frequency levels to remove snow effectively. This dynamic adjustment maintains high snow removal speed while reducing energy consumption and system wear compared to continuous high-pressure operation.
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
The integrated controller reduces inefficiencies and energy consumption by optimizing the operation of both devices, ensuring effective snow removal and minimizing unnecessary heating, thus maintaining track functionality during snowy conditions.
Implementation Method 1
The ejection device ejects air compressed by a compressor from the nozzle to blow snow away from between the stock rails and the tongue rails
Implementation Method 2
a heating device that heats a rail of the track junction
Data Source
Figure 1
Figure 2~4
Figure 5~6
AI summary
A controller (4) for a snow removal system (1), wherein the snow removal system (1) is provided with a fluid ejection device (2; 102) and a rail heating device (3; 103), being configured to control one of the ejection device (2; 102) and the heating device (3; 103) in accordance with control of the other one of the ejection device (2; 102) and the heating device (3; 103).