Active Oxygen Supply Device Using Plasma Actuator and Heater
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Solution Overview
Problem
The existing ozone generation devices have limited disinfection and deodorization performance due to the rapid conversion of active oxygen into stable oxygen and water in turbulent air flows, resulting in a reduced amount of active oxygen being discharged and utilized effectively.
Innovation Solution
An active oxygen supply device comprising a plasma actuator and a heating device within a housing, where the plasma actuator generates a dielectric-barrier discharge to expel ozone, which is then heated to produce active oxygen, ensuring it is efficiently supplied to the treatment surface before conversion.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If ozone is generated and discharged into turbulent air flow, then ozone can be supplied to the treatment surface, but active oxygen rapidly converts into stable oxygen and water, reducing the amount of active oxygen discharged and utilized
Solution Approach 1:
The patent applies preliminary action by generating active oxygen directly at the treatment surface through a heater that heats ozone upon contact with the surface. This ensures active oxygen is produced exactly where needed and utilized immediately, preventing its conversion to stable oxygen and water during transport through turbulent air flow. The active oxygen generation is performed in advance of any potential degradation.
Solution Approach 2:
The heater acts as an intermediary device that facilitates the conversion of ozone to active oxygen at the treatment surface. By positioning the heater between the ozone source and the treatment surface, it mediates the transformation process, ensuring that active oxygen is generated in situ rather than being transported through turbulent air where it would degrade.
2Productivity
If a fan is used to supply air to the ozonizer, then air can be circulated through the device, but the turbulent flow causes rapid conversion of active oxygen, reducing treatment effectiveness
Solution Approach 1:
The patent extracts the fan from the system, eliminating the source of turbulent air flow. Instead of using a fan to circulate air through the device, the invention relies on natural convection and the direct heating of ozone at the treatment surface. This removal of the fan prevents the creation of turbulent flow that would cause rapid conversion of active oxygen to stable oxygen and water, thereby maintaining reliable disinfection performance.
3Reliability
If ozone is heated to generate active oxygen, then disinfection performance can be enhanced, but the heating process must be precisely controlled to prevent premature conversion of active oxygen
Solution Approach 1:
The patent applies local quality by concentrating the heating function at the specific location where ozone contacts the treatment surface. The heater is positioned to heat ozone only at this local point, generating active oxygen exactly where it is needed for disinfection. This localized approach enhances disinfection performance while avoiding the complexity of controlling heating throughout the entire device, as the heating is confined to a specific zone.
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 effectively places the object to be treated in an active oxygen atmosphere, enhancing disinfection and deodorization performance by maintaining active oxygen in a concentrated, stable state near the treatment surface, thereby improving treatment efficacy.
Implementation Method 1
when a voltage is applied between the first electrode and the second electrode, the plasma actuator generates a dielectric-barrier discharge from the first electrode to the second electrode
Implementation Method 2
the heating device heats the induced flow containing the ozone to generate active oxygen in the induced flow
Data Source
AI summary
Provided is an active oxygen supply device capable of more efficiently supplying active oxygen to the surface of an object to be treated. An active oxygen supply device comprises a plasma actuator and a heater in a housing having at least one opening. The plasma actuator comprises a first electrode, a dielectric material and a second electrode, the first electrode is an exposed electrode provided on a first surface that is one of the surfaces of the dielectric material, when a voltage is applied between the first electrode and the second electrode, the plasma actuator generates the dielectric-barrier discharge oriented from the first electrode to the second electrode and induces a flow. The plasm actuator and the heater are disposed so that the induced flow containing active oxygen flows out of the housing through the opening.