Lamp Thermal Management via Dedicated Conduction Path
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Solution Overview
Problem
Conventional thermal management systems for lamps, particularly in enclosed luminaires, face inefficiencies in heat dissipation due to poor conduction paths and limited convection, leading to premature failure of electronic components and reduced luminaire life.
Innovation Solution
A lighting assembly with a thermal assembly that includes a heat pipe, variable conductance heat pipe, thermal actuator, or localized synthetic jet actuator to enhance heat dissipation from induction lamps by creating an effective thermal circuit between the lamp and the mount body, utilizing thermally conductive materials and additional surface areas for efficient heat transfer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If traditional mounting components and socket structures are used to hold the lamp, then the lamp can be securely mounted in the luminaire, but the thermal conduction path from the lamp to the external environment is impeded, reducing heat dissipation efficiency
Solution Approach 1:
A thermal management device is introduced as an intermediary component between the lamp and the luminaire housing. This device provides a dedicated thermal conduction path that bypasses the traditional mounting structure, allowing heat to be efficiently conducted from the lamp base through the thermal management device to the luminaire housing, thus resolving the conflict between secure mounting and effective heat dissipation.
2Adaptability or versatility
If the luminaire is enclosed to meet application requirements, then the luminaire structure is more compact and protective, but heat dissipation through convection is limited, leading to excessive heat accumulation
Solution Approach 1:
The invention replaces reliance on natural convection (a mechanical/physical process limited by enclosed structure) with thermal conduction through a dedicated thermal management device. This substitution allows the luminaire to maintain its enclosed structure for compactness and protection while achieving effective heat dissipation through the conductive thermal path provided by the thermal management device.
3Illumination intensity
If the socket and lamp are mounted directly on bosses or structures to achieve desired optical performance, then the optical performance is optimized, but the thermal conduction path is lengthened and impeded, reducing heat transfer efficiency
Solution Approach 1:
The invention segments the thermal management function from the optical mounting function. The mounting structure (bosses) remains in place to achieve optimal optical performance, while a separate thermal management device is attached to the lamp base to provide an independent, efficient thermal conduction path. This segmentation allows both optical performance and thermal conduction efficiency to be optimized simultaneously without compromising either function.
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 proposed solution significantly reduces thermal transfer to the lamp housing, improving luminaire life and allowing operation in higher ambient temperatures without compromising performance, by providing an efficient conduction path and selective heat dissipation.
Implementation Method 1
providing an efficient conduction path and dissipation area, a significant reduction in thermal transfer to the lamp housing can be implemented
Implementation Method 2
Convection can occur at any surface exposed to air and is limited by the movement of air around the lamp and the difference between the temperature of the lamp surface and the air surrounding it
Implementation Method 3
Each of these lamps emits energy in the form of radiant energy and heat in various amounts
Data Source
AI summary
The invention relates to a thermal management system for a lamp. The system comprises a lamp socket that comprises a socket body. The thermal assembly is in thermal communication with the socket body to form a thermal circuit between the lamp and the thermal assembly for dissipating heat generated by the lamp.