Image-Based Water Tank Detection for Cleaning Device Reliability
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Solution Overview
Problem
Existing cleaning devices, such as intelligent sweeping and mopping robots, face complexity and inefficiency in water volume detection due to the use of multiple components and complex structures based on photoelectric sensors and Hall detection combined with magnetic floating principles.
Innovation Solution
A cleaning device equipped with an image collection module that captures images of the water tank to determine its position and water volume status, simplifying the judgment logic and reducing the number of components, thereby improving accuracy and reliability.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If photoelectric sensors and Hall detection combined with magnetic floating principles are used for water volume detection, then detection functionality is achieved, but device complexity increases and reliability decreases
Solution Approach 1:
The patent extracts the water volume detection function from complex multi-component systems (photoelectric sensors, Hall sensors, magnetic floating elements) and implements it using a simple image collection module that captures images of water level indicators, thereby eliminating unnecessary components and reducing structural complexity while maintaining detection reliability
Solution Approach 2:
The patent replaces the mechanical and electromagnetic detection systems (photoelectric sensors, Hall sensors, magnetic floating principles) with an optical imaging system that captures visual information of water levels, substituting complex physical field interactions with straightforward image acquisition and analysis
2Measurement precision
If multiple components are used for water volume detection, then detection coverage is improved, but manufacturing complexity increases
Solution Approach 1:
The image collection module serves multiple functions simultaneously: it detects water volume, determines water level, and provides visual feedback, replacing multiple specialized components with a single multi-functional device that is easier to manufacture and integrate
Solution Approach 2:
The patent uses visual copying of water level information through image capture, where the image collection module creates a visual replica of the water level indicator, allowing digital processing and analysis without requiring complex physical sensing mechanisms
3Measurement precision
If complex detection structures are used, then detection accuracy is improved, but installation and operation difficulty increases
Solution Approach 1:
The system uses the existing visual indicator on the water tank as a self-provided target for the image collection module, eliminating the need for separate calibration targets or complex installation procedures, as the water level indicator naturally provides the measurement reference
Data Source
AI summary
A cleaning device including a main unit and a cleaning assembly, the cleaning assembly arranged on the main unit, where the cleaning assembly at least includes a water tank; and at least one image collection module, corresponding to the water tank in position and arranged facing the water tank, where the at least one image collection module collects an image of the water tank, so as to determine at least one of whether the water tank is in place and a water volume status of the water tank.