Pool Cleaning Robot Guiding Structure for Wall Tracking
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Solution Overview
Problem
Swimming pool cleaning robots face challenges in maintaining a parallel path along the pool edge due to limited sensor range and lagging driving control, leading to uneven paths and missed cleaning in edge regions.
Innovation Solution
A pool automatic cleaning device equipped with a guiding structure that protrudes from the main body, allowing it to touch and rotate against the pool wall, ensuring consistent contact and parallel movement, aided by sensors for real-time adjustments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a distance measurement sensor is used to control the robot's distance from the pool edge, then the robot can maintain a preset distance range, but the limited measurement range and control lag cause uneven movement paths and missed cleaning in edge regions
Solution Approach 1:
The patent introduces a guiding structure as an intermediary mechanical element that directly contacts the pool wall to provide physical guidance. This mechanical intermediary complements the sensor-based control system, ensuring the robot maintains consistent distance from the wall without relying solely on sensor feedback, thereby resolving the contradiction between measurement precision and movement path uniformity
Solution Approach 2:
The patent replaces pure sensor-based electronic control with a mechanical guidance system that uses physical contact between the guiding structure and pool wall. This mechanical substitution eliminates control lag and provides continuous passive guidance, improving movement path uniformity while maintaining adequate measurement capabilities
2Productivity
If the robot moves closely along the pool wall to improve cleaning coverage, then edge region cleaning improves, but the robot body may collide or rub against the pool wall causing damage
Solution Approach 1:
The patent segments the robot into functional zones by introducing a guiding structure that separates the contact function from the main body. The guiding structure alone contacts the pool wall while the robot body remains protected at a safe distance, allowing close wall following for high cleaning coverage without exposing the robot body to collision damage
Solution Approach 2:
The guiding structure serves as a protective intermediary between the robot body and the pool wall. It absorbs all contact interactions with the wall, preventing direct collision between the robot body and wall surface, thereby enabling high-risk close-proximity operation without damage to the main robot body
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
Ensures smooth path alignment with the pool wall, improving mapping quality and cleaning coverage, while preventing collisions and enhancing sensor accuracy.
Implementation Method 1
in a case where the guiding structure touches a pool wall, a friction force caused by the touch is able to cause the guiding structure to rotate
Data Source
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AI summary
The present application provides a pool automatic cleaning device, including: a main body; a moving mechanism which is located on a side of the main body and enables the pool automatic cleaning device to move; and a guiding structure which is disposed on the moving mechanism or the main body and protrudes from the moving mechanism or the main body; wherein during a movement of the pool automatic cleaning device, in a case where the guiding structure touches a pool wall, a friction force caused by the touch is able to cause the guiding structure to rotate. The present application may control the pool automatic cleaning device to keep the main body closely attached to the pool wall when moving along a pool edge through the guiding structure, thereby improving the mapping quality and the cleaning coverage rate in the pool edge region.