LED Curing Device for Pipeline Resin Linings
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Existing devices for curing resin pipeline linings using UV radiation pose health risks to workers due to harmful UV emissions, and previous solutions like LED-based devices lack efficient power distribution and cooling mechanisms, limiting their effectiveness in curing resin linings to larger depths.
Innovation Solution
A compact, cylindrical device equipped with LEDs distributed along its perimeter, emitting electromagnetic radiation within the 200-500 nm range, featuring a monolithic body with finned metal radiators for enhanced cooling and temperature monitoring, allowing for sequential activation of LEDs to focus power on the pipeline circumference and increase curing depth.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If UV radiation is used to cure resin lining, then curing effectiveness is improved, but health safety deteriorates due to harmful UV emissions
Solution Approach 1:
The patent changes the wavelength parameter of the radiation source from UV range (harmful) to visible light range (safe), specifically using LEDs emitting at 450nm blue light. This parameter change maintains curing effectiveness while eliminating health hazards associated with UV radiation exposure
2Productivity
If LED power is increased to improve curing depth, then energy consumption increases and heat generation worsens
Solution Approach 1:
The patent implements periodic/pulsed operation of LEDs instead of continuous operation. By activating LEDs in sequences and controlling duty cycles, the system achieves effective curing depth while allowing heat dissipation during off-periods, thereby reducing overall energy consumption and preventing overheating
Solution Approach 2:
The patent introduces a fluid cooling system (water or other coolant) circulating through channels in the LED housing to actively remove heat. This hydraulic cooling mechanism enables higher LED power output for improved curing depth without excessive heat accumulation or energy waste
3Area of stationary object
If multiple LEDs are distributed along pipeline to increase curing coverage, then device complexity increases
Solution Approach 1:
The patent divides the LED system into multiple modular segments that can be distributed along the pipeline. Each segment contains a manageable number of LEDs with integrated power and cooling, making the overall system easier to manufacture, install, and maintain while achieving extensive curing coverage through sequential deployment
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 achieves higher electromagnetic radiation power delivery to larger depths with reduced energy consumption and improved safety by using LEDs with power management and cooling systems, ensuring effective curing of resin linings while minimizing health risks.
Implementation Method 1
A compact, cylindrical device equipped with LEDs distributed along its perimeter, emitting electromagnetic radiation within the 200-500 nm range
Implementation Method 2
curing of resin linings
Implementation Method 3
featuring a monolithic body with finned metal radiators for enhanced cooling
Implementation Method 4
finned metal radiators for enhanced cooling
Data Source
AI summary
A device for curing inner pipeline linings made with the use of a resin compound cured by electromagnetic radiation, the device being equipped with a central polyhedral body provided with LEDs generating the radiation by emitting waves with lengths from the range 200-500 nm, to cause curing of the resin compound. The LEDs are shielded with an element made of a transparent plastic or quartz glass with a body made of monolithic cylindrical solids having along the whole of length of their outside surfaces with radii identical flat facets-chords symmetrically distributed on the surfaces, to which detachably attached are plastic plates equipped with LEDs emitting electromagnetic radiation with definite range of wavelengths.