Pool Cleaning Robot With Auxiliary Brushwheel And Suction System
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing pool cleaning robots face challenges in effectively cleaning pool surfaces due to limitations in debris removal efficiency and filter functionality, particularly in maintaining position on sidewalls and distributing debris evenly between filter units.
Innovation Solution
The pool cleaning robot incorporates a design with main wheels and continuous tracks, an auxiliary brushwheel rotating at a higher angular velocity for enhanced debris removal, and a filter unit with interchangeable filter elements and a one-way valve to manage debris flow, ensuring efficient cleaning and independent motion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the auxiliary brushwheel rotates at a higher angular velocity for enhanced debris removal, then debris removal efficiency is improved, but the complexity of the drive system increases
Solution Approach 1:
The brush system is segmented into main brushwheels driven by track motion and auxiliary brushwheels with independent high-speed drive mechanisms, allowing each segment to perform specialized functions without compromising the other
Solution Approach 2:
The auxiliary brushwheel serves multiple functions: primary debris loosening through high-speed rotation, secondary scraping action during robot motion, and adaptability to different pool surfaces, thereby justifying the added drive system complexity through enhanced overall performance
2Reliability
If the robot maintains position on sidewalls using suction force, then positioning stability is improved, but energy consumption increases
Solution Approach 1:
The suction system operates periodically rather than continuously, activating suction only when the robot requires positioning adjustment on sidewalls, thereby maintaining positioning stability while significantly reducing overall energy consumption during cruising and cleaning phases
Solution Approach 2:
The robot utilizes its own suction system to maintain positioning on sidewalls without requiring additional anchoring mechanisms or external support, making the positioning function self-contained and energy-efficient by leveraging the existing pump mechanism
3Adaptability or versatility
If the filter unit uses interchangeable filter elements for customizable cleaning, then adaptability is improved, but device complexity increases
Solution Approach 1:
The filter unit is designed as a modular assembly with detachable filter elements that can be independently replaced, allowing users to select different filter types (cartridge, bag, screen) based on specific cleaning needs without redesigning the entire filter system
Solution Approach 2:
The filter element selection is made dynamic and adaptable, allowing users to change filter elements based on debris type, pool size, and cleaning requirements, transforming a static filter system into a versatile, customizable solution that justifies the increased complexity
4Manufacturing precision
If the one-way valve manages debris flow to ensure even distribution, then debris distribution uniformity is improved, but the complexity of the fluid control system increases
Solution Approach 1:
The one-way valve extracts and isolates the debris flow control function from the main pump system, managing debris distribution independently through pressure differential control, thereby achieving uniform debris distribution without significantly complicating the overall fluid control system
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 robot achieves improved debris removal efficiency and even distribution, maintaining position on sidewalls and effectively filtering debris, while the filter unit provides customizable cleaning options and secure debris containment.
Implementation Method 1
The pump motor drives the impeller to create an upwardly directed suction. This suction draws water, and with it debris, through the inlets and exiting the outlet via the filter. The drawing of the water through the inlets further provides a suction force which helps maintain the robot's position on the floor of the swimming pool, and is especially important for maintaining the robot on the sidewalls when scanning there.
Data Source
AI summary
A pool cleaning robot for cleaning a surface of a swimming pool, said robot comprising: a main housing; main wheels being configured for propelling the robot; an auxiliary brushwheel disposed between said main wheels and configured for being rotated by the robot about an axis of rotation; and at least one inlet being formed in a bottom panel of the housing between said main wheels and being configured for intake of water and debris, wherein said main wheels are configured for being rotated by the robot at a first angular velocity, and said auxiliary brushwheel is configured for being rotated by the robot at a second angular velocity which is greater than the first angular velocity.