Pool Cleaner Float-Based Waterline Detection for Precise Cleaning
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Solution Overview
Problem
Existing automatic pool cleaners lack accurate detection of being out of the water surface, leading to poor cleaning efficiency due to inadequate control over cleaning operations near the water line.
Innovation Solution
Incorporation of an out-of-water detection module with a floating unit and sensing unit that moves between positions to send signals indicating whether the cleaner is above or below the water surface, allowing for precise judgment and control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If no out-of-water detection module is used, then the device structure remains simple, but the cleaner cannot accurately judge whether it is out of water resulting in poor cleaning effect
Solution Approach 1:
The out-of-water detection module is divided into separate functional components: a floating unit that responds to water level changes and a sensing unit that detects the floating unit's position. This segmentation allows each component to perform its specific function efficiently while keeping the overall system manageable in complexity
Solution Approach 2:
The floating unit acts as an intermediary between the water surface and the sensing unit. It translates water level changes into positional changes that the sensing unit can detect, enabling indirect but accurate water line detection without requiring the sensing unit to directly contact water
2Ease of operation
If the cleaner operates without accurate water line judgment, then the control system remains simple, but cleaning operations near water line cannot be controlled resulting in poor cleaning effect
Solution Approach 1:
The sensing unit provides continuous feedback about the floating unit's position to the control system. This feedback loop enables the control system to automatically adjust cleaning operations based on real-time water line detection, improving cleaning precision near the water line while maintaining automated control
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 the accuracy of determining when the cleaner is out of the water, enabling improved cleaning operations and preventing air intake, thus improving cleaning efficiency and effectiveness.
Implementation Method 1
The floating unit is moveable between a first and a second position. When the floating unit is in the first position, the sensing unit outputs the first signal; When the floating unit is in the second position, the sensing unit outputs a second signal.
Data Source
AI summary
An automatic pool cleaner includes a housing, a filtering module, and an out-of-water detection module. The housing defines a water inlet and a water outlet; The filtering module is configured to filter fluid from the water inlet to provide filtered fluid. The out-of-water detection module comprises a floating unit and a sensing unit, which can make the floating unit move between the first and the second positions according to whether the pool cleaner is above the waterline. The sensing unit identifies the position of the floating unit and outputs a first signal or a second signal to the pool cleaner, thereby determining whether the pool cleaner is above the water surface.