Removable Cyclone Handle Switch for Shock-Safe Vacuum Cleaning
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Solution Overview
Problem
Existing surface cleaning apparatuses, such as vacuum cleaners, often pose a risk of electric shock when the air treatment member is removed, as the power connectors remain energized, and there is a need for a design that allows easy manipulation and detachment of the air treatment member while ensuring safety.
Innovation Solution
A surface cleaning apparatus with a removable air treatment member featuring a power switch on the handle, a decoupling circuit that interrupts power when the member is removed, and female power connectors on the main body to reduce the risk of electric shock, allowing for safe handling and detachment.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the power connectors remain energized when the air treatment member is removed, then the circuit remains complete and the motor can operate, but the user risks electric shock
Solution Approach 1:
The power switch is positioned on the removable air treatment member, requiring the member to be properly attached before power can be activated. This preliminary configuration ensures that power connectors are only energized when the air treatment member is securely in place, eliminating the risk of electric shock while maintaining circuit continuity during operation
Solution Approach 2:
The power switch acts as an intermediary control element between the power source and the motor circuit. By placing the switch on the removable air treatment member, it serves as a safety mediator that prevents direct connection between energized power connectors and the user, allowing circuit completion only when properly configured
2Ease of operation
If the power switch is positioned on the removable air treatment member, then the user can easily manipulate the switch with one hand, but the circuit must be automatically reengaged when the member is mounted
Solution Approach 1:
The power switch and the air treatment member are combined into a single integrated unit. This merging allows the user to manipulate the power switch conveniently located on the handle while the electrical connectors are simultaneously reengaged through the same attachment action, reducing the need for separate control mechanisms
Solution Approach 2:
The electrical connection system is designed to automatically reengage the circuit when the air treatment member is mounted on the main body. The system serves itself by using the mechanical attachment of the member to automatically complete the electrical connection, eliminating the need for manual intervention or complex additional mechanisms
3Ease of repair
If the air treatment member is made removable for easy cleaning and maintenance, then the device can be disassembled and cleaned, but the power connectors may remain energized causing safety hazards
Solution Approach 1:
The power switch is configured to be inactivated when the air treatment member is removed from the main body. This preliminary safety measure ensures that power is automatically disconnected before the user handles the removable component for cleaning or maintenance, eliminating the risk of electric shock while maintaining ease of repair
Solution Approach 2:
The power switch positioned on the air treatment member serves as an intermediary safety mechanism that automatically deactivates power when the member is detached. This intermediary control prevents direct exposure to energized connectors during removal and cleaning operations
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
The design enables safe operation and handling of the surface cleaning apparatus by ensuring the power is interrupted when the air treatment member is detached, reducing the risk of electric shock and allowing for easy manipulation and cleaning.
Implementation Method 1
Air is drawn into the vacuum cleaners through a dirty air inlet and conveyed to a cyclone inlet. The rotation of the air in the cyclone results in some of the particulate matter in the airflow stream being disentrained from the airflow stream.
Implementation Method 2
The rotation of the air in the cyclone results in some of the particulate matter in the airflow stream being disentrained from the airflow stream.
Data Source
AI summary
A surface cleaning apparatus comprises an air flow path extending from a dirty air inlet to a clean air outlet and a main body comprising a suction motor. The suction motor provided in the air flow path. The surface cleaning apparatus also includes an air treatment member (preferably a cyclone bin assembly) provided in the air flow path. The air treatment member may be removably mounted to the main body. The air treatment member may include a power switch. A circuit may connect the suction motor to an electrical source. The circuit may be open and closed by operation of the power switch, and the circuit may be interrupted when the air treatment member is removed from the main body.