LED Grow Light System With Airflow Gaps For Heat Dissipation
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Solution Overview
Problem
Current grow light systems, particularly those using LED technology, face inefficiencies in energy conversion and heat management, which can lead to increased water consumption and suboptimal plant growth due to inadequate wavelength distribution and excessive heat emission.
Innovation Solution
A grow light system design featuring a housing with a cooling fan, a carrier board assembly, and removably engaged LED modules with heat sink fins, where the LEDs are wired in series for adjustable intensity and include a testing module for operational verification, along with strategic gaps for enhanced airflow and heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If traditional grow lights (incandescent, HPS, MH) are used, then sufficient light output is achieved, but energy conversion efficiency is poor and excessive heat is generated
Solution Approach 1:
The patent transitions from traditional lighting technologies (incandescent, HPS, MH) to LED technology, fundamentally changing the energy conversion parameters. LEDs convert electrical energy to light energy with much higher efficiency (50-70% efficiency) compared to traditional lights, thereby reducing energy loss and minimizing heat generation while maintaining sufficient light output for plant growth
Solution Approach 2:
The patent replaces the thermal radiation mechanism of traditional lights with the electroluminescence mechanism of LEDs. This substitution eliminates the need to heat a filament or gas to produce light, directly converting electrical energy to light energy through semiconductor materials, thus solving both energy efficiency and heat emission problems
2Loss of energy
If LED grow lights are used, then energy conversion efficiency is improved and heat emission is reduced, but additional cooling components are required to manage residual heat
Solution Approach 1:
The patent integrates the cooling fan directly into the housing structure, merging the cooling function with the existing housing design. The housing incorporates air intake and exhaust openings that work in conjunction with the cooling fan to create an efficient passive cooling system, eliminating the need for separate complex cooling assemblies
Solution Approach 2:
The cooling system is designed to operate autonomously using the cooling fan that dissipates heat generated by LEDs through natural convection and forced air flow through the housing openings. The system self-regulates temperature without requiring external intervention or complex control mechanisms, managing residual heat effectively while maintaining design simplicity
3Ease of operation
If LEDs are wired in series, then light intensity control is improved, but system reliability decreases due to single point failure
Solution Approach 1:
The patent divides the LED array into multiple independent modules, each module containing its own series-wired LEDs. This segmentation allows individual modules to be replaced if one fails, while other modules continue to operate. The modular design maintains the benefits of series wiring for intensity control within each module while improving overall system reliability through redundancy
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 configuration improves energy efficiency, optimizes wavelength distribution for plant growth, reduces heat-related issues, and allows for precise control of light intensity, leading to healthier plant growth with reduced water requirements.
Implementation Method 1
The cooling fan can be configured to draw air into the housing through the vertical gap, lateral gaps, and longitudinal gaps
Implementation Method 2
Each of the LED modules can include a plurality of LEDs and a heat sink fin
Implementation Method 3
LEDs can also operate at lower temperatures than some typical lighting systems
Implementation Method 4
LED grow light systems can utilize the particular wavelengths necessary for plant growth. For example blue light (455 nm-470 nm) can be used to promote vegetative or leaf growth, and red light (620 nam-665 nm) can be used to promote plant flowering
Data Source
AI summary
A grow light system for growing plants. The grow light system can have a carrier board assembly containing a plurality of apertures and a plurality of LED modules and secondary LED modules removably engaged with the carrier board in the apertures and forming a gap between LED module and the carrier board. The grow light system can be configured to draw air through the gap over the LEDs and along the heat sink fin to reduce the temperature of the LED module. A plurality of the LED modules can be connected in series and the carrier board can include a dedicated receptacle for a single LED module that is not connected in series with the remaining LED modules.