Ultraviolet Curing Device Oxygen Inhibition via Gas Jetting
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Solution Overview
Problem
Current UV curing devices with UV LEDs face challenges in oxygen inhibition, which affects curing quality due to the inability to create a closed-loop environment and the high cost of filling the working space with inert gases.
Innovation Solution
The integration of a gas jetting module with a flow rate adjustment module and an ultraviolet module, where inert gas is jetted out to remove air from the surface of the curing object, allowing for effective oxygen inhibition without a closed-loop environment, thus improving UV curing quality in a cost-effective manner.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If a closed-loop environment is created to inhibit oxygen during UV curing, then UV curing quality is improved, but device complexity and cost significantly increase
Solution Approach 1:
The patent divides the oxygen inhibition problem into two zones: a closed-loop environment directly at the curing object surface where oxygen must be excluded, and an open working space above where air can circulate. The gas jetting module creates a localized barrier only where needed, rather than enclosing the entire working space, thus resolving the contradiction between curing quality and device complexity.
Solution Approach 2:
The gas jetting module applies inert gas locally at the curing surface to inhibit oxygen, rather than filling the entire working space with inert gas. This localized approach maintains high curing quality at the critical interface while avoiding the high cost and complexity of a fully enclosed inert atmosphere system.
2Manufacturing precision
If the working space is filled with inert gas to inhibit oxygen, then UV curing quality is improved, but cost significantly increases
Solution Approach 1:
The patent extracts oxygen from the curing interface by jetting inert gas to displace air only in the immediate vicinity of the curing object surface. This selective removal of harmful oxygen, rather than replacing all air in the working space with inert gas, dramatically reduces inert gas consumption while maintaining curing quality.
Solution Approach 2:
The gas jetting module applies inert gas partially, only where oxygen inhibition is critical at the curing surface, rather than uniformly filling the entire working space. This partial action approach achieves the necessary oxygen exclusion with minimal inert gas usage, resolving the contradiction between curing quality and gas consumption.
3Use of energy by moving object
If UV LED is used to reduce power consumption, then energy efficiency is improved, but oxygen inhibition problem persists affecting curing quality
Solution Approach 1:
The patent introduces inert gas as an intermediary substance between the UV LED light source and the curing object surface. This intermediary creates a localized oxygen-free environment that enables effective curing with UV LEDs, bridging the gap between energy efficiency and curing quality by protecting the photopolymerization process from oxygen interference.
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
This solution significantly enhances UV curing quality by removing oxygen from the surface of the curing object, optimizing the curing process while maintaining cost-effectiveness and applicability across various industries.
Implementation Method 1
the gas is jetted out of the gas outlet in the first direction
Implementation Method 2
The ultraviolet module includes an ultraviolet light source, and the ultraviolet module is disposed on the gas jetting module and connected to the gas jetting module. The ultraviolet light generated by the ultraviolet light source is radiated in a first direction after the ultraviolet light passes through the upper panel and the lower panel
Data Source
AI summary
An ultraviolet device is provided, which includes a gas jetting module, a flow rate adjustment module, an ultraviolet module and a first gas channel. The gas jetting module includes an upper panel, a lower panel and a frame. The upper panel is disposed on the upper side of the frame. The lower panel is disposed on the lower side of the frame and includes one or more gas outlets. A gas chamber is formed between the upper panel, lower panel and frame. The first gas channel is connected to the gas jetting module. The flow rate adjustment module is connected to the first gas channel and adjusts the flow rate of the gas inputted into the gas chamber via the first gas channel. The ultraviolet module includes an ultraviolet light source and is connected to the gas jetting module.