Active Electroadhesive Cleaning Device for Controlled Particle Removal
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Solution Overview
Problem
Existing cleaning devices using electrostatic forces are inadequate for effectively removing larger particles and lack control, safety, and durability, leading to increased manual labor and maintenance costs.
Innovation Solution
An active electroadhesive cleaning device with oppositely chargeable electrodes generating differential voltages between 500 volts and 10 kilovolts, coupled with an interactive surface and rollers, allows for controlled adhesion and removal of foreign objects using electroadhesive forces, and includes features like deformable surfaces and patterned electrodes for varying object sizes.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If small electrostatic forces are used in dusting or cleaning applications, then dust and small particles can be removed, but larger particles cannot be effectively cleaned and safety issues arise when larger forces are applied
Solution Approach 1:
The patent employs dynamically adjustable electrostatic forces through a power source that can vary voltage levels. The system transitions from static charging to active control, allowing the electrostatic force to be adjusted in real-time based on the size and type of particles being cleaned, thus enabling effective cleaning across a wide range of particle sizes without safety issues
Solution Approach 2:
The invention changes the electrical parameters (voltage, current, polarity) of the electrostatic field to adapt to different cleaning needs. By adjusting these parameters, the system can generate appropriately sized forces for different particle types, from dust to larger debris, resolving the contradiction between cleaning effectiveness and versatility
2Ease of operation
If traditional electrostatic cleaning devices are used, then some cleaning function is provided, but control over electrostatic forces is lacking and components are difficult to maintain
Solution Approach 1:
The patent incorporates feedback mechanisms through sensors that detect the presence and properties of particles, allowing the control system to adjust electrostatic forces automatically. This provides precise control over the cleaning process while reducing manual intervention and simplifying maintenance through automated adjustments
Solution Approach 2:
The system performs self-adjustment and self-monitoring through integrated sensors and control circuits that automatically optimize electrostatic force application. This reduces the need for manual control and simplifies maintenance by eliminating the need for users to manually adjust complex electrical parameters
3Productivity
If electrostatic cleaning components are used, then cleaning function is achieved, but the components require frequent replacement increasing overall cost
Solution Approach 1:
The patent replaces mechanical cleaning components (brushes, cloths) with an electrostatic field-based system. This substitution eliminates wear and tear on physical components, significantly improving reliability and reducing replacement frequency while maintaining high cleaning efficiency through controllable electrostatic forces
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 device enables efficient and controlled cleaning of a variety of items, reducing manual labor and maintenance costs by effectively adhering and removing particles of different sizes with high precision and safety.
Implementation Method 1
a plurality of oppositely chargeable electrodes adapted to produce collectively from an input voltage applied thereto a separate electroadhesive force between the active electroadhesive cleaning device and each of a plurality of foreign objects being cleaned
Implementation Method 2
The dust mop emits an electrostatic charge which polarizes dust and/or other particles to be attracted to an opposite polarity
Data Source
Figure 1A~1C
Figure 2A~2B
Figure 3A~3B
AI summary
An active electroadhesive cleaning device or system includes electrode(s) that produce electroadhesive forces from an input voltage to adhere dust or other foreign objects against an interactive surface, from which the foreign objects are removed when the forces are controllably altered. User inputs control the input voltage and/or designate the size of foreign objects to be cleaned. An active power source provides the input voltage, and the interactive surface can be a continuous track across one or more rollers to move the device across a dirty foreign surface. Electrodes can be arranged in an interdigitated pattern having differing pitches that can be actuated selectively to clean foreign objects of different sizes. Sensors can detect the amount of foreign particles adhered to the interactive surface, and reversed polarity pulses can help repel items away from the interactive surface in a timely and controlled manner.