Fluid Ionizing Device Internal Charging Safety
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing portable electrospinning devices face safety issues due to significant electric potential leading to charge leakage and sudden discharges when in contact with users or metallic surfaces, limiting their clinical utility and causing performance variations.
Innovation Solution
A device with a non-conductive outlet and a movable electrically conducting member that charges the fluid within a chamber, preventing electrical discharges and ensuring consistent performance by charging the fluid internally rather than relying on a charged nozzle.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a charged nozzle is used for electrospinning, then electrospinning performance is achieved, but charge leakage and sudden discharges occur when in contact with users or metallic surfaces
Solution Approach 1:
The patent introduces a non-conductive outlet as an intermediary between the charged fluid and the external environment. This mediator allows the charged fluid to pass through without transferring charge to external objects, thereby preventing charge leakage and sudden discharges while maintaining electrospinning performance consistency
Solution Approach 2:
The patent extracts the charging function from the nozzle itself and relocates it to an internal electrode within the chamber. This separation allows the nozzle to be non-conductive (safe) while the internal electrode provides the necessary charge to the fluid, resolving the contradiction between performance and safety
2Object-affected harmful factors
If a movable electrically conducting member is used to charge the fluid internally, then safety is improved by preventing discharges, but device complexity increases
Solution Approach 1:
The patent employs a movable electrically conducting member that can be positioned within the chamber to charge the fluid. This dynamic element allows the device to transition between charged and uncharged states, providing safety control while managing the added complexity through controlled movement rather than permanent complex structure
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 solution provides a safe and consistent electrospinning/electrospraying performance, allowing the device to be used in close proximity to metallic surfaces without discharge, enhancing its clinical and industrial applicability.
Implementation Method 1
at least one movable electrically conducting member that can be positioned at least partially in said fluid in said chamber when the fluid is to be charged
Implementation Method 2
Exposure of an electrically conductive or polarizable liquid to an electric field causes mobile ions in the liquid to accumulate at the liquid surface
Implementation Method 3
As the voltage is increased the effect of the electric field becomes more prominent
Implementation Method 4
The shape of the liquid starts to deform from the shape caused by surface tension alone
Implementation Method 5
When the electric field exceeds a critical threshold limit, the stress from the electrostatic charge repulsion at the cone apex exceeds the surface tension and a droplet of fluid is emitted
Implementation Method 6
As the jet dries during flight, the jet is then elongated by a whipping process caused by electrostatic repulsion initiated at small bends in the fiber
Data Source
AI summary
The invention relates to a device for electro spraying or electro spinning wherein said device comprises a chamber for housing a fluid to be electro spun or electro sprayed, characterized in that, said chamber also includes at least one electrically conducting member situated in and/or about said fluid in said chamber or at least one movable electrically conducting member that can be positioned at least partially in said fluid in said chamber when the fluid is to be charged; further the invention also relates to a dispensing device adapted to accommodate said device and a method of electro spraying or electro spinning using said device or said dispenser.