LED Lighting Device Thermal Honeycomb Heat Dissipation
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Solution Overview
Problem
Integrated LED lighting devices suffer from poor heat dissipation due to enclosed structures, leading to high working temperatures, short service life, and improper installation issues.
Innovation Solution
The design incorporates a housing-type heat-dissipating lamp bracket made of heat-dissipating material with radiating holes and reinforcing ribs, along with ventilation holes in the lamp cover, forming a thermal honeycomb effect that enhances air convection and heat dissipation, while reducing the number of components for easier assembly and maintenance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If an integrated enclosed structure is used for LED lighting devices, then the device complexity is reduced and installation is simplified, but heat dissipation performance deteriorates leading to high working temperatures
Solution Approach 1:
The lamp housing is divided into separate modular components: lamp cover, housing-type heat-dissipating lamp bracket, and LED modules. This segmentation allows each component to perform its specific function optimally while maintaining overall structural simplicity.
Solution Approach 2:
The housing-type heat-dissipating lamp bracket incorporates radiating holes creating a porous structure that enables heat dissipation through the housing itself, transforming the housing from a simple enclosure to an active heat dissipation component.
2Reliability
If an enclosed structure is used for LED lighting devices, then the sealing is improved, but heat dissipation performance deteriorates due to lack of convection
Solution Approach 1:
Different parts of the housing have different properties: the lamp cover and bracket are made of heat-dissipating materials with specific thermal conductivities, while sealing components (gaskets, O-rings) are positioned at specific locations to maintain sealing without compromising heat dissipation pathways.
Solution Approach 2:
The housing-type heat-dissipating lamp bracket acts as an intermediary structure that simultaneously provides mechanical support, heat dissipation, and structural framework for the sealing system, coordinating multiple functions without compromise.
3Device complexity
If multiple LED modules are arranged closely together, then the device complexity is reduced, but heat dissipation performance deteriorates due to blocked air convection
Solution Approach 1:
The housing-type heat-dissipating lamp bracket serves multiple functions: structural support for LED modules, heat dissipation through radiating holes, and creation of air convection channels. This multi-functionality reduces the need for separate heat sink components while maintaining effective heat dissipation.
Solution Approach 2:
Heat dissipation is enhanced by utilizing three-dimensional air convection flow created by the radiating holes and module gaps, transforming from two-dimensional surface dissipation to three-dimensional volumetric heat transfer through the housing structure.
4Reliability
If traditional fixation components are used for installing LED modules, then the reliability of connection is improved, but the ease of operation deteriorates due to complex assembly and maintenance
Solution Approach 1:
The lamp cover, housing bracket, and fixation structures are merged into an integrated modular assembly where components work together as a unified system, reducing the number of separate fastening operations needed while maintaining secure connections.
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 effectively dissipates heat, improves the sealing and safety of the lamp, and extends the service life of LED lighting devices by facilitating unhindered air convection and reducing the risk of dislocation and shaking.
Implementation Method 1
Heat from the LED module is conducted to and dissipated through the heat sink. Also, heat can be conducted to the housing-type heat-dissipating lamp bracket through the groove structure on the heat sink and the protruding beam of the housing-type heat-dissipating lamp bracket
Implementation Method 2
The housing-type heat-dissipating lamp bracket is entirely made of heat-dissipating material, and several radiating hole devices are set at the head and/or tail of the lamp bracket
Implementation Method 3
The radiating hole devices on the housing-type heat-dissipating lamp bracket and the gap between the LED modules form a mutually-reinforcing thermal honeycomb effect and in cooperation with the ventilation holes of the lamp cover, a heat dissipation channel with unhindered air convection is formed
Data Source
AI summary
An LED lighting device is provided, having a lamp housing and at least one LED module. The lamp housing has a lamp cover and a housing-type heat-dissipating lamp bracket that directly radiates the heat generated by the LED module. The housing-type heat-dissipating lamp bracket is entirely made of heat-dissipating material, and several radiating hole devices are set on the housing-type heat-dissipating lamp bracket. The radiating hole devices on the housing-type heat-dissipating lamp bracket and the gaps between the LED modules form a mutually-reinforcing thermal honeycomb effect, providing a heat dissipation channel with unhindered air convection. Radiating holes are set at the head and tail of the housing-type heat-dissipating lamp bracket. The radiating holes and the gaps between the modules enhance the heat-dissipating effect and enhance air convection, to improve heat dissipation from the lamp housing and provide improved heat dissipation effect for the entire lamp.