Trough Lamp Heat Dissipation Assembly
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Solution Overview
Problem
LED street lamps experience frequent malfunctions due to poor heat dissipation performance, requiring inconvenient maintenance and replacement.
Innovation Solution
A lamp design featuring a trough-shaped body with a heat dissipation assembly comprising an aluminum plate, heat dissipation fin, and a trapezoidal glass radiator, which enhances heat dissipation by creating a secondary radiator and improving airflow through venting holes, thereby reducing malfunction rates and extending service life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If LED street lamp is installed in high space to cover large lighting area, then lighting coverage is improved, but maintenance and replacement become inconvenient
Solution Approach 1:
The lamp head is designed with self-lowering capability through a lifting mechanism that can be activated remotely or automatically. When malfunction or maintenance is needed, the lamp head lowers itself to ground level, eliminating the need for complex lifting equipment and manual intervention at height.
2Device complexity
If conventional heat dissipation structure is used in LED lamp, then device complexity is reduced, but heat dissipation performance is poor
Solution Approach 1:
The heat dissipation system is divided into multiple independent components: a first heat dissipation component (heat dissipation fin) attached to the lamp head housing, and a second heat dissipation component (aluminum plate with heat dissipation fins) attached to the inner wall of the lamp body. This segmented approach increases total heat dissipation surface area while maintaining structural simplicity.
Solution Approach 2:
The patent introduces a vertical dimension to heat dissipation by arranging heat dissipation fins vertically on the aluminum plate, creating multiple levels of heat dissipation surfaces. This three-dimensional heat dissipation structure significantly increases the effective heat dissipation area without proportionally increasing device complexity.
3Productivity
If LED lamp operates continuously, then lighting productivity is improved, but heat accumulation increases causing frequent malfunctions
Solution Approach 1:
The heat dissipation system is designed to operate continuously alongside the LED lighting, with multiple heat dissipation components working simultaneously to maintain effective heat removal throughout extended operation periods, preventing heat accumulation that would lead to malfunctions.
Solution Approach 2:
The lamp body includes venting holes that enable natural convection airflow through the structure. Hot air rises and exits through upper venting holes while cooler air enters through lower venting holes, creating continuous passive air circulation that enhances heat dissipation without requiring active cooling mechanisms.
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 improved heat dissipation performance reduces malfunction rates and extends the service life of LED street lamps by effectively radiating heat away from the light source assembly.
Implementation Method 1
the glass radiator is disposed on a side of the aluminum plate facing a trough top opening part of the lamp body
Implementation Method 2
the heat dissipation assembly includes an aluminum plate, a heat dissipation fin and a glass radiator; the aluminum plate is disposed on a trough wall of the lamp body; the heat dissipation fin is disposed on a side of the aluminum plate
Implementation Method 3
venting holes are formed on the trough wall between the aluminum plate and the trough bottom part oppositely
Data Source
AI summary
Disclosed is a lamp, including a lamp body in a trough shape, a light source assembly, and a heat dissipation assembly; where, the heat dissipation assembly includes an aluminum plate, a heat dissipation fin and a glass radiator; the aluminum plate is disposed on a trough wall of the lamp body; the heat dissipation fin is disposed on a side of the aluminum plate; the glass radiator is disposed on a side of the aluminum plate; the light source assembly includes a PCB board and a plurality of LED lamp beads; the PCB board is disposed on a side of the glass radiator; and the plurality of LED lamp beads are arranged on a side of the PCB board forming a light emitting surface.