Tunnel Light Cleaning Device with Height-Adjustable Head
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Solution Overview
Problem
Current tunnel cleaning methods, such as high-pressure spray bars, are inefficient and can damage sensitive electronic devices in road tunnels, while rotating brushes are not effectively used due to contact pressure issues and mechanical sensitivity concerns.
Innovation Solution
A self-sufficient tunnel cleaning device with a height-adjustable substructure, equipped with sensors and an electric or hydraulic drive, allows for autonomous operation, enabling the cleaning head to adjust its height to avoid obstacles and effectively clean tunnel lighting without damaging sensitive installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a rotating brush is used to clean tunnel lighting, then cleaning performance is significantly improved, but sensitive electronic devices in the tunnel may be mechanically damaged or misaligned
Solution Approach 1:
The cleaning device employs a height-adjustable brush unit that can dynamically change its vertical position during operation. The brush unit is mounted on a height-adjustable support structure that allows it to move between a lowered cleaning position and a raised avoidance position, enabling the system to adapt its behavior based on the presence of obstacles
Solution Approach 2:
The system incorporates sensors that detect obstacles in the tunnel and provide feedback to the control system. When obstacles are detected, the control system automatically activates the height adjustment mechanism to raise the brush unit, preventing mechanical damage while maintaining cleaning effectiveness in obstacle-free zones
2Reliability
If the high-pressure spray boom distance is increased to avoid colliding with tunnel components, then safety is improved, but cleaning performance deteriorates due to large distance from the surface to be cleaned
Solution Approach 1:
The support structure for the cleaning device is designed to be height-adjustable, allowing the cleaning head to dynamically change its vertical position. This enables the system to maintain optimal cleaning distance from the tunnel lighting surface while automatically raising the cleaning head when obstacles are detected by the sensor system
Solution Approach 2:
The control system receives real-time feedback from sensors about obstacle presence and automatically adjusts the height of the cleaning device accordingly. This feedback mechanism allows the system to maintain safe distances from obstacles while minimizing distance from the cleaning surface, thereby preserving both safety and cleaning performance
3Reliability
If the cleaning vehicle is stopped and adjusted in front of installations to avoid damage, then safety is improved, but productivity decreases due to cleaning interruptions
Solution Approach 1:
The sensor system continuously scans the tunnel environment ahead of the cleaning device and detects obstacles in advance. This preliminary detection allows the control system to proactively adjust the height of the cleaning head before the vehicle reaches the obstacles, eliminating the need to stop and adjust manually
Solution Approach 2:
The cleaning device is equipped with an autonomous obstacle detection and avoidance system that automatically adjusts the cleaning head height without requiring external intervention. The system serves itself by detecting obstacles and making appropriate height adjustments, maintaining continuous operation and eliminating productivity losses from manual adjustments
4Difficulty of detecting and measuring
If a telescopically adjustable spray head with complex image recognition is used, then obstacle detection capability is improved, but device complexity increases significantly
Solution Approach 1:
The patent extracts the essential obstacle detection function from complex image recognition systems and implements it using simpler sensor technology. By using dedicated sensors positioned to detect obstacles in the cleaning path, the system achieves reliable obstacle detection without the complexity of telescopic mechanisms or advanced image processing algorithms
Solution Approach 2:
The invention replaces complex mechanical telescopic adjustment mechanisms with a simpler height-adjustable support structure controlled by sensor feedback. This substitution eliminates the need for complex telescopic systems while maintaining the ability to adjust the cleaning head height for obstacle avoidance
Data Source
Figure 1~2
Figure 3~4
Figure 5
AI summary
The invention relates to a self-contained tunnel cleaning device (1) for cleaning tunnel lighting, comprising a preferably height-adjustable substructure (2) comprising a power unit (8), a superstructure (3) comprising at least two sensors (4), a cleaning head (5) with a cleaning device (6) and at least one electric or hydraulic drive (7), wherein the cleaning head (5) is height-adjustable by means of the drive (7), and a control unit, wherein the at least two sensors (4) are configured to detect obstacles in the tunnel, and wherein the control unit is configured to activate the electric or hydraulic drive (7) when obstacles are detected by the sensors (4).