Light Head Auxiliary Heat Dissipation Air Passage
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Solution Overview
Problem
Conventional stage light fixtures struggle with efficient heat dissipation due to the passive heat-conducting method, which is inadequate for high-power light fixtures.
Innovation Solution
The light head incorporates a housing with a heat-dissipating air passage between the housing and a cover plate, equipped with first and second air vents, and powered by first and second air blowers to facilitate active air convection for enhanced heat dissipation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If passive heat-conducting method is used in conventional light fixtures, then the structure is simple, but heat dissipation efficiency is insufficient for high-power light fixtures
Solution Approach 1:
The patent transitions from passive heat conduction to active heat dissipation by introducing air blowers that dynamically control air flow through the heat-dissipating air passage. This dynamic approach allows the system to adapt to high-power requirements while maintaining effective heat removal, resolving the contradiction between structural simplicity and heat dissipation efficiency.
Solution Approach 2:
The patent segments the housing into functional chambers (mounting chamber and heat-dissipating chamber) separated by a spacer, with dedicated air passages for heat removal. This segmentation allows independent optimization of heat dissipation pathways while maintaining overall structural coherence, enabling high-power operation without excessive complexity.
2Illumination intensity
If high-power light sources are used, then illumination intensity increases, but heat generation exceeds passive dissipation capacity
Solution Approach 1:
The patent introduces air as an intermediary cooling medium that flows through the heat-dissipating air passage between the mounting chamber and external environment. This intermediary air flow efficiently carries heat away from high-power light sources, enabling high illumination output without excessive heat accumulation that would otherwise limit power levels.
3Temperature
If heat-dissipating air passage is added between housing and cover plate, then heat dissipation efficiency improves, but device complexity increases
Solution Approach 1:
The cover plate is designed with multi-functionality: it serves both as a protective cover and as part of the heat dissipation system through integrated air vents and passage formation. This universal design allows the component to fulfill multiple roles without adding separate dedicated parts, improving heat dissipation while limiting the increase in device complexity.
Solution Approach 2:
The patent merges the heat dissipation function with existing structural components by forming the heat-dissipating air passage between the housing and cover plate, and integrating air vents into the cover plate. This merging approach incorporates cooling functionality into existing parts rather than adding completely separate systems, improving heat dissipation efficiency while controlling the increase in overall device complexity.
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 significantly improves heat dissipation efficiency by actively removing heat through the air passage, increasing the heat-dissipating area, and preventing overheating of critical components.
Implementation Method 1
A first air blower is further included for blowing the air in the heat-dissipating air passage to flow between the first air vent and the second air vent
Implementation Method 2
The other chamber is in air communication with the outside of the light head as a heat-dissipating chamber, in which a radiator with a heat-absorbing plate close to the light source is arranged
Implementation Method 3
the heat in the light head is mainly dissipated through the radiator and with the aid of heat exchange between the metal housing and the outside
Data Source
AI summary
A light head with auxiliary heat dissipation includes a housing having a light outlet and a light-outgoing lens assembly being arranged at the light outlet. A cover plate is provided at the outer side of the housing. A heat-dissipating air passage is formed between the housing and the cover plate along the length direction of the housing, and both ends of the heat-dissipating air passage are respectively provided with a first air vent and a second air vent. A first air blower is further included for blowing the air in the heat-dissipating air passage to flow between the first air vent and the second air vent.