Atomizing Circuit Voltage Adjustment for Electrolysis Prevention

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Solution Overview

Problem

Existing liquid atomizing devices face reduced usage life due to verdigris or electrolysis material attachment on piezoelectric elements and high power consumption from voltage transformers, leading to inefficient operation.

Innovation Solution

A circuit design incorporating a voltage adjustment unit that outputs driving voltage with both electrolysis and negative level sections, enabling the atomizing module to produce reversible electrolysis reactions, thereby reducing electrolysis material production and extending device life.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If a voltage transformer is used to drive the piezoelectric piece, then the piezoelectric piece can be driven by frequency to form sound wave oscillation, but the power consumption increases significantly

Engineering Contradiction:

Improvefrequency oscillationVSAvoidpower consumption

Core Design Contradiction:

SpeedVSUse of energy by moving object

Solution Approach 1:

The patent replaces the voltage transformer (electromagnetic system) with a piezoelectric piece that directly converts electrical energy to mechanical vibration. The piezoelectric piece is driven by an AC signal to generate ultrasonic vibrations, eliminating the need for a voltage transformer and significantly reducing power consumption while maintaining the frequency oscillation capability.

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

2Productivity

If the piezoelectric piece is contacted with or immersed into the liquid, then the liquid can be atomized, but verdigris or electrolysis material is produced and attached on the electrodes, reducing usage life

Engineering Contradiction:

Improveliquid atomizationVSAvoidusage life

Core Design Contradiction:

ProductivityVSDuration of action of stationary object

Solution Approach 1:

The patent applies a DC bias voltage to the piezoelectric piece that creates a strong electric field, generating electrostatic repulsion force that prevents electrolysis material from attaching to the electrodes. This converts the potential harmful effect of electrolysis into a beneficial protective mechanism, allowing continuous liquid atomization without electrode degradation.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The patent changes the electrical parameters by superimposing a DC bias voltage on the AC driving signal. This parameter modification creates a unidirectional electric field that repels electrolysis products, preventing their accumulation on the electrodes while maintaining the ultrasonic vibration necessary for liquid atomization.

Inventive Principle:

Principle #35Parameter changes

3Productivity

If the piezoelectric piece produces sound wave oscillation to atomize liquid, then mist particles are generated, but the electrolysis material attachment impairs the usage of the liquid atomizing device

Engineering Contradiction:

Improvemist productionVSAvoiddevice usability

Core Design Contradiction:

ProductivityVSReliability

Solution Approach 1:

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

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 circuit design effectively elongates the usage life of the atomizing module by minimizing electrolysis material attachment and reducing power consumption, ensuring efficient operation and effective mist production for drug delivery and agricultural applications.

Implementation Method 1

drives a piezoelectric piece by frequency to form a sound wave oscillation

Methodology Applied

Scientific EffectPiezoelectric effect: Piezoelectric Effect

Implementation Method 2

the verdigris or the electrolysis material is often produced and attached on the positive electrode and the negative electrode of the piezoelectric piece contacted with or immersed into the liquid

Methodology Applied

Scientific EffectElectrolysis: Electrolysis

Data Source

PatentUS9364846B2Circuit for liquid atomizing device and device thereof

Publication Date: 2016.06.14 HCMED INNOVATIONS

AI summary

A circuit for liquid atomizing device coupled to an atomizing module is disclosed. The circuit for liquid atomizing device includes a conversion unit, a control unit and a voltage adjustment unit. The control unit is coupled to the conversion unit and controls the conversion unit to output a transforming voltage. The voltage adjustment unit is coupled between the conversion unit and the atomizing module. The voltage adjustment unit according to the transforming voltage outputs a driving voltage to the atomizing module. The driving voltage includes a plurality of electrolysis sections and a plurality of negative level sections. Each electrolysis section indicates that the atomizing module produces a forward electrolysis reaction. Each negative level section indicates that the atomizing module produces a backward electrolysis reaction.