Air Purifier Wake-Up Control to Prevent Accidental Reactivation
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Solution Overview
Problem
Air purifiers operating under high voltage pose a safety risk, especially in households with children, as they can be accidentally touched or disassembled, leading to potential injury. Conventional solutions do not adequately prevent unintended operation state changes.
Innovation Solution
A method and apparatus for switching an air moving device's operation state using a micro-switch or sensor-based instructions, maintaining the device in an out-of-operation state until a predetermined wakening instruction is received, ensuring safety by preventing unintended reactivation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the air purifier operates under high voltage to improve air cleaning performance, then the air quality improvement is enhanced, but the safety risk increases due to potential accidental touching or disassembly
Solution Approach 1:
The system performs preliminary action by switching to out-of-operation state in advance when a component is removed or reassembled, before any harmful effect can occur. The control unit detects component removal via sensor and proactively disables the high voltage output, preventing potential injury from accidental touching during maintenance operations.
2Ease of operation
If the air purifier uses conventional on/off switching to improve ease of operation, then the user can easily turn the device off, but the device may be accidentally reactivated without proper safety checks
Solution Approach 1:
The system implements feedback mechanism where the sensor continuously monitors component installation status and provides feedback to the control unit. The control unit adjusts the operation state based on this feedback - maintaining out-of-operation state until proper component reinstallation is detected, thereby preventing accidental reactivation while keeping the interface simple for users.
3Productivity
If the air purifier maintains high voltage output during operation to improve cleaning efficiency, then the air purification performance is enhanced, but the danger of injury from touching increases
Solution Approach 1:
The system applies preliminary anti-action by preemptively disabling the high voltage output when component removal is detected, counteracting the potential harmful effect before it can manifest. The control unit receives sensor signals indicating component removal and immediately switches to out-of-operation state, neutralizing the safety hazard while allowing maintenance operations to proceed safely.
Data Source
AI summary
The present disclosure relates to methods and apparatuses for switching an operation state of a target device such as an air purifier. The method includes acquiring a state switching instruction based on an input from a micro-switch of the air moving device, switching a current state of the target device from an in-operation state to an out-of-operation state based on the state switching instruction, maintaining the target device in the out-of-operation state until acquiring a predetermined wakening instruction, acquiring a predetermined wakening instruction, and switching the air moving device from the out-of-operation state to the in-operation state responsive to the acquired predetermined wakening instruction.