Pool Cleaner Buoyancy Control for Surface and Underwater Coverage
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Solution Overview
Problem
Existing swimming pool cleaning robots are limited in their ability to adjust positions and depth in a liquid environment, leading to incomplete cleaning of the pool's bottom, walls, and surface, thereby restricting their application range and efficiency.
Innovation Solution
A cleaning device with a mode switching member and buoyancy adjustment assembly that allows it to switch between underwater and water surface cleaning, using a filtering mechanism and propulsion assembly to adapt to different cleaning tasks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the cleaning robot is designed to clean only the bottom of the swimming pool, then the structure is simple, but the application range is limited
Solution Approach 1:
The cleaning device is designed with multi-functional capabilities to perform bottom cleaning, wall cleaning, and water surface cleaning operations. The device can switch between different cleaning modes by adjusting its buoyancy and orientation, allowing a single device to replace multiple specialized cleaners, thereby improving application range without proportionally increasing structural complexity
Solution Approach 2:
The cleaning device employs dynamic buoyancy adjustment mechanisms that allow it to change its floating characteristics in real-time. By controlling the buoyancy cavity, the device can transition between sinking to the bottom, floating at intermediate depths, and surfacing for water surface cleaning, enabling versatile operation across different pool zones
2Adaptability or versatility
If the cleaning robot operates under the water surface to clean walls, then wall cleaning capability is improved, but position adjustment flexibility is reduced
Solution Approach 1:
The device utilizes dynamic buoyancy control to adjust its vertical position flexibly. The buoyancy adjustment assembly can be activated to change the device's buoyancy state, allowing it to move between underwater and water surface positions as needed for different cleaning tasks, thereby maintaining position adjustment flexibility while expanding cleaning coverage
Solution Approach 2:
The cleaning device incorporates a buoyancy cavity that can be filled with or discharged of liquid to adjust buoyancy. This hydraulic mechanism enables smooth transitions between different operating depths and positions, providing flexible position adjustment while maintaining the ability to operate both underwater and at the surface for comprehensive cleaning
3Ease of operation
If the cleaning robot constantly floats on the water surface, then ease of operation is improved, but cleaning coverage is limited
Solution Approach 1:
While maintaining ease of operation through simple buoyancy-based floating, the device incorporates dynamic buoyancy adjustment capabilities that allow it to sink or submerge when needed. This enables the device to transition from simple water surface floating to active underwater and wall cleaning operations, thereby expanding cleaning coverage while preserving operational simplicity through automated buoyancy control
4Productivity
If the cleaning device switches between underwater and water surface positions, then cleaning efficiency is improved, but device complexity increases
Solution Approach 1:
The cleaning device employs a unified buoyancy adjustment mechanism that serves multiple functions: enabling position transitions between water surface and underwater, controlling orientation for different cleaning modes, and regulating depth for comprehensive cleaning. This multi-functional approach improves cleaning efficiency across different zones while avoiding the need for separate complex mechanisms for each function
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 and range by enabling comprehensive cleaning of pool surfaces, reducing costs through flexible operation and improved filtration efficiency.
Implementation Method 1
a buoyancy cavity and a buoyancy adjustment part. The buoyancy cavity is configured to accommodate liquid and/or gas
Data Source
AI summary
The present disclosure provides a cleaning device, including: a cleaning device body; a filtering mechanism; a cleaning cavity disposed at a front portion of the cleaning device body and configured to accommodate at least one first cleaning part; a liquid inlet portion; a mode switching member configured to adjust a pose of the cleaning device, enabling the cleaning device to be switched between a first motion state and a third motion state, where when the cleaning device is in the first motion state, the liquid inlet portion is located under a water surface, and the cleaning device performs underwater cleaning, and when the cleaning device is in the third motion state, the liquid inlet portion is at least partially located above the water surface, and the cleaning device performs water surface cleaning; and a main water pump configured to generate a suction force.