Vacuum Cleaner Docking Detection for Leak-Free Dust Transfer
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Solution Overview
Problem
The existing electric vacuum cleaner apparatus faces issues with reliably connecting the primary dust container to the secondary dust container during dust discharge, leading to potential dust leakage around the apparatus.
Innovation Solution
Incorporating a plurality of attaching detectors to ensure correct positioning of the electric vacuum cleaner on the charging station, including detectors for the cleaner body, air passage, and handle position, which permit dust transfer only when proper attachment is confirmed, and a notification device for incorrect attachment scenarios.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the electric vacuum cleaner is placed on the charging station without precise positioning, then the operation is simple, but dust leaks around the apparatus during dust discharge
Solution Approach 1:
The patent employs multiple attaching detectors that provide feedback signals to the controller about the attachment state of different components (cleaner body, air passage, handle). The controller uses this feedback to determine whether to permit dust discharge, ensuring reliable connection before operation and preventing dust leakage.
Solution Approach 2:
The patent performs preliminary attachment verification before allowing dust discharge. The attaching detectors check the connection status in advance, and the controller confirms proper attachment before enabling the dust discharge function, preventing leakage before it can occur.
2Reliability
If multiple attaching detectors are installed to verify correct positioning, then dust leakage is prevented, but the device complexity increases
Solution Approach 1:
The patent divides the attachment detection function into multiple independent detectors, each monitoring a specific component (cleaner body attachment, air passage attachment, handle position). This segmentation allows targeted monitoring of critical connection points without requiring a single complex detection system.
Solution Approach 2:
The attaching detectors serve multiple functions: they detect attachment status, provide feedback to the controller, and collectively determine whether dust discharge should be permitted. This multi-functionality reduces the need for separate detection and control mechanisms.
3Reliability
If the connection between primary and secondary dust containers is not reliable, then the structure is simple, but dust leaks during transfer
Solution Approach 1:
The attaching detectors provide continuous feedback about the connection status between the primary and secondary dust containers. The controller monitors this feedback and only permits automatic dust transfer when reliable connection is confirmed, ensuring both reliability and ease of operation.
Solution Approach 2:
The system automatically verifies connection reliability and controls the dust transfer process without requiring manual intervention. The attaching detectors and controller work together to self-verify the connection state and self-regulate the dust discharge timing, maintaining ease of operation while ensuring reliability.
Data Source
AI summary
An electric vacuum cleaner apparatus includes: a station, an electric vacuum cleaner attachable to the station, and plural attaching detectors which can detect the electric vacuum cleaner is attached in the station. The electric vacuum cleaner includes a cleaner body; a tubular part connected to the cleaner body and sucks in dust; and a primary dust container that stores dust sucked in with the tubular part. The station includes a secondary dust container that stores dust discharged from the primary dust container. The electric vacuum cleaner apparatus permits transfer of dust from the primary dust container to the secondary dust container when at least two of the plural attaching detectors have detected the attaching of the electric vacuum cleaner to the station. The electric vacuum cleaner apparatus can reliably confirm the vacuum cleaner is placed at a correct position on the charging station so that dust to be discarded from the primary dust container to the secondary dust container does not leak around the electric vacuum cleaner apparatus.