Light Fixture Cooling Assembly with Flow-Dividing Element
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Solution Overview
Problem
Existing cooling systems for stage light fixtures often fail to adequately cool the light source, leading to insufficient or excessive cooling, which can result in reduced durability or breakage of the light source.
Innovation Solution
A cooling assembly featuring multiple cooling fans and a flow-guiding element that directs air flow to evenly cool the light source, with adjustable parameters such as fan speed and air flow direction to optimize cooling based on temperature and power usage, ensuring uniform heat dissipation and preventing localized overheating.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Loss of energy
If a cooling system is added to remove heat from the casing, then heat removal capability is improved, but cooling uniformity deteriorates (insufficient or excessive cooling in different zones)
Solution Approach 1:
The cooling system is divided into multiple independent cooling zones, each with its own cooling fan and controllable air flow path. This allows different parts of the casing to be cooled independently according to their specific heat generation characteristics, resolving the contradiction between overall heat removal and localized cooling uniformity.
Solution Approach 2:
Different cooling parameters (air flow rate, temperature, direction) are applied to different zones within the casing based on their specific thermal requirements. The system adjusts cooling intensity locally rather than applying uniform cooling throughout, ensuring each component receives appropriate cooling without overheating or over-cooling.
2Temperature
If cooling intensity is increased to prevent overheating, then heat removal is improved, but risk of excessive cooling and light source damage increases
Solution Approach 1:
The cooling system incorporates temperature sensors and control mechanisms that continuously monitor the thermal state of components inside the casing. Based on this feedback, the system dynamically adjusts the cooling intensity to maintain optimal temperatures, preventing both overheating and excessive cooling that could damage the light source.
Solution Approach 2:
The cooling system transitions from static, fixed-intensity cooling to dynamic, adjustable cooling where fan speeds and air flow rates can be varied in real-time based on operational conditions, heat generation levels, and environmental factors, allowing precise control over cooling intensity.
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 cooling assembly effectively maintains the light source's durability and reliability by ensuring even cooling, preventing overheating and extending the lifespan of the light fixture.
Implementation Method 1
a first cooling fan arranged at a first air vent and configured to convey the cooling air drawn from the first air vent in a zone between the closed end of the casing and the outer portion of the reflector
Implementation Method 2
the flow-guiding element is formed so as to generate a primary flow adapted to mainly cool a first zone of the light source and a secondary flow adapted to mainly cool a second zone of the light source
Implementation Method 3
generate heat inside the casing. The heat accumulated inside the casing can excessively heat the light source and the remaining components
Implementation Method 4
a second cooling fan arranged at a second air vent and configured to ease the escape of the cooling air through the second air vent, thus favouring the cooling air exchange
Data Source
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AI summary
A cooling assembly for cooling at least one light source (10) of a light fixture (1) is provided with at least a cooling fan (25b) configured to generate a cooling air flow; and at least with a flow-guiding element (28) configured to convey the cooling air flow of the cooling fan (25b) and divide it into a primary flow (FP) adapted to mainly cool a first zone (18, 19) of the light source (10) and at least a secondary flow (FS) adapted to mainly cool a second zone (17) of the light source (10), at least partially distinct from the first zone (18, 19).