Buoyancy-Switched Pool Cleaner for Bottom, Wall, and Surface Cleaning
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Solution Overview
Problem
Existing cleaning devices for liquid environments, such as pools, fail to effectively regulate their position and depth to clean the bottom, wall surface, and liquid surface in an all-round manner, limiting their application scope and efficiency.
Innovation Solution
A moving apparatus with a mode switching member that includes a buoyancy cavity and injection ports, allowing for flexible switching between motion states above or below the liquid surface, enabling the cleaning device to perform comprehensive cleaning.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If cleaning devices are designed to clean only specific areas (bottom, wall, or surface), then they can be simpler in structure, but their application scope and versatility are limited
Solution Approach 1:
The cleaning device employs a mode switching member with adjustable buoyancy that enables dynamic transition between different motion states (second motion state for wall cleaning, third motion state for surface cleaning). This dynamic adaptability allows a single device to perform multiple cleaning functions without requiring separate specialized devices, thereby improving versatility while maintaining reasonable structural complexity through controlled transformation rather than multiple fixed configurations
Solution Approach 2:
The cleaning device is designed as a multi-functional universal cleaner that can clean the bottom, vertical wall surfaces, and liquid surface of the liquid environment. By incorporating a mode switching member that regulates buoyancy cavity volume, the device can adapt to different cleaning scenarios and perform comprehensive cleaning tasks that previously required multiple separate devices, thus improving application scope without proportionally increasing device complexity
2Adaptability or versatility
If cleaning devices use fixed depth positioning, then the structure is simpler, but they cannot effectively regulate position and depth to clean different areas comprehensively
Solution Approach 1:
The device utilizes parameter changes in buoyancy cavity volume to achieve position and depth regulation. By adjusting the volume of the buoyancy cavity through the mode switching member, the device can change its overall buoyancy and thus regulate its depth and position in the liquid environment. This allows effective position control for cleaning different areas (bottom, wall, surface) without requiring complex mechanical positioning systems, thereby improving adaptability while keeping the position regulation structure relatively simple
Solution Approach 2:
The position and depth regulation is achieved through pneumatic control of the buoyancy cavity. The mode switching member controls gas injection into or evacuation from the buoyancy cavity, utilizing pneumatic pressure changes to adjust the cavity volume and consequently the device's buoyancy. This pneumatic mechanism provides effective and flexible position regulation for comprehensive cleaning while maintaining a relatively simple structural implementation compared to mechanical positioning systems
3Productivity
If cleaning devices operate only below the liquid surface, then energy consumption is lower, but they cannot clean the liquid surface effectively
Solution Approach 1:
The cleaning device dynamically adjusts its operating depth by controlling the buoyancy cavity volume through the mode switching member. When surface cleaning is required, the device increases buoyancy to rise to the liquid surface; when bottom or wall cleaning is required, it decreases buoyancy to submerge. This dynamic depth adjustment enables the device to access different cleaning zones (surface, wall, bottom) and perform comprehensive cleaning tasks, thereby improving overall cleaning efficiency and productivity while managing energy consumption through selective operation in different zones rather than continuous surface operation
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
Enables the cleaning device to clean the liquid environment in an all-round way, improving efficiency and reducing costs by allowing flexible position-and-posture switching above or below the liquid surface.
Implementation Method 1
The mode switching member includes a buoyancy cavity configured to accommodate gas or liquid
Implementation Method 2
the first regulating member regulates gas to be injected into the buoyancy cavity through the at least one first injection port so that the rearward portion of the moving apparatus moves toward the liquid surface
Data Source
AI summary
A moving apparatus used in liquid and a cleaning device are provided. The moving apparatus includes a forward portion, a rearward portion, a mode switching member configured to perform position-and-posture switching of the moving apparatus between a second motion state and a third motion state, a processor, and a cleaning member. The mode switching member includes a buoyancy cavity, configured to accommodate at least gas; a first regulating member, configured to regulate a volume of the gas in the buoyancy cavity; and at least one first injection port, provided on or at the forward portion of the moving apparatus and connected to the buoyancy cavity to at least allow gas to enter the buoyancy cavity. The processor is configured to control the first regulating member for increasing or decreasing the volume of the gas in the buoyancy cavity.