Vacuum Cleaner Filter Cleaning With Battery-Powered Air Valve
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Solution Overview
Problem
Vacuum cleaners often struggle with filter cleaning, especially in areas without a mains power supply, where fine dust is prevalent, and require manual intervention or complex operation, affecting suction efficiency.
Innovation Solution
A battery-powered vacuum cleaner with a control device that manages filter cleaning via an external air valve, allowing for automatic or manual initiation, independent of mains power, ensuring optimized suction performance by varying suction power and integrating energy management for the battery and motor control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If filter cleaning is performed manually or with complex operation, then filter maintenance can be accomplished, but user complexity increases and suction efficiency deteriorates
Solution Approach 1:
The system performs filter cleaning automatically without user intervention. The control device monitors filter status and initiates cleaning cycles autonomously, allowing the system to service itself and maintain suction efficiency without increasing user complexity
Solution Approach 2:
The control device monitors operational parameters and filter status, using this feedback to determine when cleaning is required and to execute appropriate cleaning actions, thereby maintaining optimal performance automatically
2Adaptability or versatility
If battery-powered operation is used in areas without mains power, then mobility and adaptability are improved, but energy availability and operational duration are limited
Solution Approach 1:
The system dynamically adjusts energy consumption based on operational mode. During filter cleaning, the motor is controlled to operate at reduced power levels, optimizing battery usage and extending operational duration in battery-powered mode while maintaining cleaning effectiveness
Solution Approach 2:
Filter cleaning is performed periodically or based on monitored conditions rather than continuously, allowing the battery to be recharged or replaced between cleaning cycles, thereby extending overall system availability and operational duration
3Reliability
If suction power is increased during filter cleaning, then cleaning effectiveness is improved, but energy consumption increases and battery life decreases
Solution Approach 1:
The motor power is dynamically adjusted based on the cleaning phase. During filter cleaning, suction power is increased temporarily to effectiveness, then reduced to conserve energy, optimizing the balance between cleaning effectiveness and energy consumption
Solution Approach 2:
High power suction is applied periodically during filter cleaning cycles rather than continuously, allowing energy-intensive cleaning actions to be concentrated in short bursts followed by lower power operation, thereby reducing overall energy consumption while maintaining cleaning effectiveness
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
Enables efficient filter cleaning and optimized suction operation in areas without mains power, reducing user complexity and extending battery life through controlled energy use and automatic processes.
Implementation Method 1
the filter device has a negative pressure applied to it by the suction unit
Implementation Method 2
the filter device is capable of having external air applied thereto on the clean side thereof via the external air valve device
Data Source
AI summary
A vacuum cleaner is provided, including a suction inlet, a dirt collection container, a filter device, a suction conduit, a suction unit, wherein the dirt collection container is in flow communication with the suction unit via the filter device and the suction conduit and wherein the filter device has a negative pressure applied to it by the suction unit, and including an external air valve device, wherein the filter device is capable of having external air applied thereto on the clean side thereof via the external air valve device and wherein for cleaning the filter device the external air valve device is capable of being brought from a closed valve position to an open valve position and back again from the open valve position to a closed valve position, characterized by a battery device for supplying energy to the external air valve device.