Modular LED Lamp Assembly With Reflector Cup Heat Dissipation
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Solution Overview
Problem
Existing modular LED lamps face issues with limited contact area between the lamp holder and reflector cup, leading to ineffective heat dissipation and reduced lifespan due to high temperatures in the lamp holder.
Innovation Solution
A modular LED lamp device with a heat sink, lamp panel, diffusion cover, pressure ring, connector bracket, and reflector cup assembly, along with a hose connector, steel wire rope, and anti-loosening elastic piece, ensuring secure fit and enhanced heat transfer from the lamp holder to the reflector cup.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If the lamp holder and reflector cup are assembled with limited contact area, then the assembly is simple, but the heat dissipation efficiency is poor
Solution Approach 1:
The patent extends the contact interface from a point or line contact to a surface contact by designing the reflector cup platform to closely attach to the lamp holder assembly. The reflector cup rim with slots matched to protrusions on the heat sink creates a multi-dimensional contact area, transforming the heat transfer from limited point contact to extensive surface contact, thereby improving heat dissipation efficiency while maintaining assembly simplicity.
2Temperature
If the contact area between lamp holder and reflector cup is increased, then the heat dissipation is improved, but the assembly complexity increases
Solution Approach 1:
The patent divides the assembly into modular components: lamp holder assembly (with heat sink, lamp panel, diffusion cover, pressure ring) and reflector cup assembly (with reflector cup platform and rim). The segmented design allows each module to be manufactured and assembled independently, reducing overall assembly complexity while enabling the reflector cup platform to provide extensive contact area for heat dissipation.
Solution Approach 2:
The reflector cup assembly is designed to nest around the lamp holder assembly, with the reflector cup platform closely attaching to the lamp holder. The reflector cup rim with slots receives the protrusions from the heat sink, creating a nested configuration that maximizes contact area for heat transfer while maintaining a compact, simple assembly structure.
3Ease of manufacture
If the lamp holder operates at high temperature, then the LED lifespan is reduced, but the manufacturing cost is low
Solution Approach 1:
The patent introduces the reflector cup assembly as a thermal intermediary between the lamp holder and the environment. The reflector cup platform acts as a heat transfer medium that conducts heat away from the lamp holder through its large contact area, and the reflector cup rim with slot-protrusion matching provides additional heat dissipation pathways. This intermediary structure effectively lowers the operating temperature of the LED, extending its lifespan without significantly increasing manufacturing cost.
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 efficient heat dissipation and secure assembly, extending the lifespan of the LED lamp and improving safety performance by effectively transferring heat from the lamp holder to the reflector cup.
Implementation Method 1
the reflector cup platform is closely attached to the lamp holder assembly... effectively transferring heat from the lamp holder to the reflector cup
Data Source
AI summary
A modular light emitting diode (LED) lamp device, includes: a lamp holder assembly comprising a heat sink, a lamp panel fixedly connected to the heat sink, a diffusion cover fixed to the heat sink through a pressure ring, a connector bracket mounted on the heat sink, and a wiring terminal provided in the connector bracket; a reflector cup assembly comprising a reflector cup platform for supporting the lamp holder assembly, and a reflector cup rim provided at a top of the reflector cup assembly, where a slot is formed in the reflector cup rim, and the slot is matched with a protrusion; and a power supply assembly, where a power supply module is built in the power supply assembly, a connecting terminal is provided on the power supply module, and the connecting terminal is connected to the wiring terminal.