Pool Cleaner Waterline Navigation for Dead-Corner Cleaning

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Solution Overview

Problem

Current robot swimming pool cleaners are ineffective in automatically and efficiently cleaning the water surface profile at the contact point between the pool water and the wall, making manual cleaning labor-intensive and frequent.

Innovation Solution

A method and system for a robot swimming pool cleaner that uses sensors and motors to determine the cleaning route, adjust its angle and attachment to the wall, and manage dirt suction, ensuring thorough cleaning without leaving dead corners by acquiring and processing data from water surface sensors, a gyroscope, and water flow detectors.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If manual cleaning is used to clean the water surface profile, then cleaning can be performed, but labor intensity is high and frequent cleaning is required

Engineering Contradiction:
Improvecleaning efficiencyVSAvoidlabor intensity
Core Design Contradiction:
ProductivityVSEase of operation

Solution Approach 1:

The robot swimming pool cleaner autonomously navigates to the water surface profile, positions itself using the gyroscope, and performs cleaning operations without human intervention. The system self-adjusts its attitude angle and cleaning parameters based on sensor feedback, eliminating the need for manual operation while maintaining effective cleaning performance

Inventive Principle:
Principle #25Self-service

Solution Approach 2:

The patent replaces manual mechanical cleaning with an automated robotic system that uses sensors (water surface sensors, gyroscope, flow detectors) and controlled mechanisms (adjustable attitude controller, water-draining motor, cleaning roller brush, dirt suction port) to perform cleaning operations, thereby reducing labor intensity while improving cleaning efficiency

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Extent of automation

If existing robot cleaners are used, then automation is provided, but they cannot effectively clean the water surface profile

Engineering Contradiction:
Improveautomatic cleaning capabilityVSAvoidcleaning effectiveness
Core Design Contradiction:
Extent of automationVSReliability

Solution Approach 1:

The robot equips specialized cleaning components (cleaning roller brush and dirt suction port) specifically designed for the water surface profile geometry, and uses water surface sensors to detect the precise location and characteristics of the profile, enabling effective cleaning of this specific area while maintaining overall automation

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system dynamically adjusts its attitude angle using the adjustable attitude controller based on gyroscope feedback to maintain optimal contact with the wall surface. The water-draining motor dynamically adjusts the robot's attachment to the wall, and the cleaning parameters are dynamically modified based on real-time sensor data, ensuring reliable cleaning effectiveness throughout the operation

Inventive Principle:
Principle #15Dynamics

3Manufacturing precision

If the robot adjusts its attitude and position frequently, then complete coverage is achieved, but system complexity increases

Engineering Contradiction:
Improvecleaning coverage completenessVSAvoidcontrol system complexity
Core Design Contradiction:
Manufacturing precisionVSDevice complexity

Solution Approach 1:

The gyroscope continuously provides feedback on the robot's attitude angle, and the water surface sensors provide feedback on the robot's position relative to the water surface profile. The adjustable attitude controller uses this feedback to automatically adjust the robot's orientation, and the flow detectors provide feedback on cleaning effectiveness. This closed-loop feedback system achieves complete cleaning coverage while managing control complexity through automated feedback-based adjustments

Inventive Principle:
Principle #23Feedback

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 system enables systematic cleaning of the water surface profile, ensuring complete coverage without gaps, improving efficiency and convenience by automating the process.

Implementation Method 1

Water-draining motor starting information is sent to a preset water-draining motor, so as to make the robot swimming pool cleaner tightly attached to a wall

Methodology Applied
Scientific EffectWater flow suction: Suction

Implementation Method 2

Angle information of a preset gyroscope is acquired. Pose angle information of the robot swimming pool cleaner is obtained according to the angle information of the preset gyroscope

Methodology Applied
Scientific EffectGyroscope effect: Gyroscope

Implementation Method 3

Cleaning roller brush starting information is sent to a preset control terminal, so as to start a cleaning roller brush to clean the water surface profile

Methodology Applied
Scientific EffectMechanical friction: Friction

Implementation Method 4

start a cleaning roller brush to clean the water surface profile

Methodology Applied
Scientific EffectAbrasion: Abrasion

Implementation Method 5

Dirt suction port starting information is sent to the preset control terminal, so as to start a dirt suction port to store dirt that is cleaned off

Methodology Applied
Scientific EffectSuction: Suction

Implementation Method 6

Detection information of a preset water flow detector is acquired. Information on the flow rate of sewage treated by a dirt suction port per unit time is obtained according to the detection information of the preset water flow detector

Methodology Applied
Scientific EffectFlow detection:

Data Source

PatentEP4403723A1Water surface profile cleaning method and system of robot swimming pool cleaner, and readable storage medium
Publication Date: 2024.07.24 SHENZHEN AIPER INTELLIGENT CO LTD
  • EP4403723A1 patent drawingFigure 1~2
  • EP4403723A1 patent drawingFigure 3
  • EP4403723A1 patent drawingFigure 4(1)~4(4)

AI summary

Disclosed in the present application are a water surface profile cleaning method and system of a robot swimming pool cleaner, and a readable storage medium. The method includes: acquiring sensing information of a first water surface sensor and sensing information of a second water surface sensor; obtaining driving wheel power information according to the sensing information of the first water surface sensor and the sensing information of the second water surface sensor; obtaining cleaning route information of a robot swimming pool cleaner according to the driving wheel power information and preset angle information; and cleaning, by the robot swimming pool cleaner, a water surface profile according to a cleaning route. In the present application, a moving track problem and an up and down movement cleaning problem of a robot swimming pool cleaner at a water surface profile can be systematically solved, such that the water surface profile of a swimming pool can be cleaned completely without leaving a dead corner.