Dust Bag and Bin Cover Interlock for Cleaning Robot Collection Bins
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Solution Overview
Problem
Existing dust collecting devices cannot detect whether the dust bag assembly is properly installed and the bin is covered by the bin cover, leading to malfunction and poor performance.
Innovation Solution
A dust collecting device with a trigger structure, detector, and controller that ensures the dust bag assembly and bin cover correctly position the trigger structure to activate the detector, allowing the controller to restrict or enable operation based on the detection state, preventing malfunctions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Measurement precision
If a position sensor is used to detect whether the dust bag assembly is installed in place, then the detection of dust bag installation status is improved, but the device cannot detect whether the bin is covered by the bin cover, leading to incomplete detection functionality
Solution Approach 1:
The trigger structure is designed to serve multiple detection functions: it detects both the installation status of the dust bag assembly and the covering status of the bin cover. By making the trigger structure movable and positionable, it can be actuated by either the dust bag assembly or the bin cover, providing universal detection capability for both components through a single detection mechanism.
2Device complexity
If a simple position sensor is used, then the device complexity is reduced, but the detection capability is insufficient to monitor both dust bag installation and bin cover status
Solution Approach 1:
The trigger structure acts as an intermediary mechanical element between the dust bag assembly/bin cover and the detector. Instead of using complex sensors to directly detect both dust bag installation and bin cover status, the trigger structure translates the presence or absence of these components into a single detectable position change, simplifying the detection system while maintaining reliability.
3Device complexity
If the detector only monitors dust bag assembly installation, then the device structure is simple, but the device may malfunction when the bin is not covered by the bin cover
Solution Approach 1:
The system performs preliminary detection of both dust bag assembly installation and bin cover status before allowing the dust collecting device to operate. The trigger structure must be in a specific triggered position, which only occurs when both the dust bag assembly is installed and the bin cover is closed, preventing malfunction by ensuring proper setup conditions are met before operation begins.
Data Source
AI summary
A dust collecting device includes a bin, a dust bag assembly, a bin cover, a trigger structure, a detector and a controller. The trigger structure moves between an initial position in which the trigger structure does not trigger the detector and a trigger position in which the trigger structure triggers the detector. When the dust bag assembly is installed in the bin and the bin cover covers the bin, the dust bag assembly and the bin cover respectively pushes the trigger structure, such that the trigger structure moves from the initial position to the trigger position and triggers the detector. The controller is electrically connected with the detector. The controller restricts an operation of the dust collecting device according to an untriggered state of the detector, and releases the operation of the dust collecting device according to a triggered state of the detector.