Pool Cleaning Robot With Reciprocating Brushes and Dual-Track Steering
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Solution Overview
Problem
Existing pool cleaning robots are inefficient in their cleaning capabilities and lack effective mechanisms for path navigation and debris filtration.
Innovation Solution
The cleaning robot employs a dual-track system with reciprocating brushing elements and an imbalance induction unit for directional control, combined with a multi-level filtration system and fluid jetting mechanisms for efficient cleaning and navigation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a cleaning robot uses traditional single-track or wheel-based movement, then the structure is simpler, but the cleaning efficiency and path navigation capability are insufficient
Solution Approach 1:
The cleaning robot divides the pool cleaning task into multiple functional segments: dual tracks for movement and navigation, separate brushing elements for surface cleaning, filtration system for water cleaning, and jetting mechanisms for debris removal. This segmentation allows each component to be optimized for its specific function while working together to achieve high overall cleaning efficiency
Solution Approach 2:
The patent combines multiple functions into an integrated system: the dual-track mechanism simultaneously provides movement and directional control, the brushing elements are integrated with the tracks for coordinated surface cleaning, and the filtration system works in conjunction with jetting mechanisms for comprehensive water cleaning. This merging of functions increases productivity while managing complexity through systematic integration
2Ease of operation
If the cleaning robot lacks an imbalance induction unit, then the device is simpler, but directional control and path navigation are ineffective
Solution Approach 1:
The imbalance induction unit creates intentional asymmetric force distribution on the dual tracks to achieve directional control. By selectively adjusting the propulsion force or friction characteristics of one track relative to the other, the robot can navigate turns and change direction efficiently. This asymmetric mechanism provides effective path navigation while maintaining relatively simple device architecture
Solution Approach 2:
The imbalance induction unit enables the cleaning robot to autonomously control its own direction and path without external guidance. The system self-regulates its movement by internally generating the necessary imbalances, making the navigation process self-service and improving ease of operation without requiring complex external control systems
3Productivity
If the cleaning robot uses basic filtration, then the device is simpler, but debris removal and water cleaning are insufficient
Solution Approach 1:
The filtration system is segmented into multiple stages and components: primary filtration for large debris, secondary filtration for finer particles, and integrated jetting mechanisms for removing trapped debris. This segmentation allows each filtration stage to handle specific particle sizes and types, achieving thorough water cleaning and debris removal while managing system complexity through modular design
Solution Approach 2:
The patent employs hydraulic and pneumatic principles in the jetting mechanisms to enhance debris removal from the filtration system. High-velocity fluid jets are used to flush trapped debris from filter screens and channels, maintaining filtration efficiency without requiring manual intervention or complex mechanical clearing mechanisms. This hydraulic approach significantly improves cleaning efficiency while keeping the device relatively simple
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
Enhances cleaning efficiency through improved brushing and filtration, allows for precise directional changes, and ensures thorough pool surface coverage.
Implementation Method 1
an imbalance induction unit that is arranged to introduce an imbalance between the at least two movable elements and that results in a change in a direction of propagation of the cleaning robot
Implementation Method 2
a jetting mechanism that is arranged to output fluid and that is arranged to assist in directing a movement of the cleaning robot
Implementation Method 3
filtering the fluid of the pool by removing foreign particles from that fluid
Implementation Method 4
cleaning the pool by brushing the surfaces of the pool
Data Source
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AI summary
A cleaning robot (10) that includes a drive motor; a housing (13) that encloses the drive motor; a brushing element (200); and a transmission coupled between the brushing element (200) and the drive motor, the transmission is arranged to convert a rotary movement induced by the drive motor to a combination of a rotary movement of the brushing element about a brushing element axis (214), and a reciprocal movement of the brushing element (200) in parallel to the brushing element axis (214).