Parallel LED Cooling Circuit for Uniform Thermal Control
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Solution Overview
Problem
Existing LED lamp cooling systems for sewer rehabilitation face challenges in achieving uniform cooling of LED modules due to serial heat exchanger connections, which lead to inefficient temperature control and varying service life across modules, especially when using liquid coolants that could damage LEDs.
Innovation Solution
A parallel connection of heat exchangers within the cooling circuit, where each heat exchanger has dual flow and return connections, allows for uniform temperature control across all modules, using flexible and modular connections to accommodate bends in pipes and prevent coolant pressure drops.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Volume of moving object
If heat exchangers are connected in series, then the cooling system can be compact, but the temperature control becomes non-uniform and efficiency deteriorates
Solution Approach 1:
The cooling system is segmented into multiple independent heat exchanger units, each with its own fluid supply and return lines. This segmentation allows uniform temperature control across all LED modules while maintaining compactness through modular arrangement.
Solution Approach 2:
The patent transitions from a linear series connection to a parallel dimensional arrangement where heat exchangers are positioned side-by-side with independent fluid pathways. This dimensional change enables simultaneous compactness and uniform temperature distribution.
2Temperature
If liquid coolant is used, then cooling efficiency improves, but the coolant may damage the LEDs
Solution Approach 1:
A hermetic seal acts as an intermediary barrier between the liquid coolant and the LEDs. The seal allows thermal energy transfer from the heat exchanger to the LED mounting structure while preventing direct contact between the coolant and the LED chips, thus maintaining cooling efficiency without damaging the LEDs.
3Stability of the object's composition
If the cooling system is rigid, then structural stability is maintained, but it cannot accommodate bends in pipes
Solution Approach 1:
The patent employs flexible coupling elements and bendable tubing in the cooling system that can accommodate bends and curves in the pipe while maintaining fluid-tight connections. These flexible components preserve structural stability for thermal transfer while enabling adaptability to various pipe configurations.
4Power
If multiple LED modules are used, then optical power output increases, but cooling complexity increases
Solution Approach 1:
The cooling system is designed with universal multi-functional components where each heat exchanger unit serves multiple LED modules simultaneously. The standardized fluid pathways and coupling mechanisms allow the same cooling architecture to scale with increasing numbers of LED modules without proportionally increasing complexity.
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 ensures homogeneous temperature conditions across all LED modules, maintaining consistent efficiency, service life, and optical performance, while allowing the system to navigate tight spaces and bends efficiently.
Implementation Method 1
several LEDs are arranged on each heat exchanger and coupled to the heat exchangers with respect to heat transfer
Implementation Method 2
The fluid/medium flows into the cooling element through the inlet, passes through it axially, and exits the cooling element on the opposite end
Data Source
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AI summary
The invention relates to a device for, in particular for, cooling an LED lamp or LED modules of an LED lamp, wherein the device comprises a supply line for supplying a fluid and several heat exchangers connected to the supply line, wherein several LEDs are arranged on each heat exchanger and coupled to the heat exchangers with respect to heat transfer, so that the LED lamp or the LED modules can be temperature-controlled, in particular cooled, by the fluid, wherein the device comprises a drain for draining the fluid, wherein the supply line and the drain are connected to each other fluid-tight via an L-piece at one of their ends and additionally via at least one T-piece in the supply line and at least one T-piece in the drain, or the supply line and the drain are connected via an L-piece at the end of the supply line, which is connected to a T-piece in the drain, and an L-piece at the end of the drain.which are connected to each other fluid-tight via a T-piece in the supply line, or the supply line and the outlet are connected to each other fluid-tight via an L-piece at the end of the supply line, which is connected to a T-piece in the outlet, and an L-piece at the end of the outlet, which is connected to a T-piece in the supply line, and additionally via at least one T-piece in the supply line and at least one T-piece in the outlet, so that the fluid flows spatially separated from the LEDs and so that the supply line and the outlet have at least two parallel fluid connections, wherein the heat exchangers are arranged in the fluid connections or the heat exchangers are the fluid connections, as well as a method for temperature control,in particular cooling an LED lamp or at least two LED modules of an LED lamp using such a device and a method for curing a light-curing tube using such a device.