Active Radiator with Omnidirectional Air Convection for Stage Lighting

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Solution Overview

Problem

Stage lighting fixtures face high power consumption and heat generation issues, leading to inefficient heat dissipation and increased costs due to the reliance on passive heat pipe radiators and fans, which can cause noise and manufacturing challenges.

Innovation Solution

An active radiator with omnidirectional air convection is introduced, featuring interlaced heat dissipation channels in the first and second radiator fin groups, a heat transfer substrate, and heat transfer pipes made of copper, allowing for efficient heat dissipation without external forces like fans, reducing costs and installation complexity.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Temperature

If a heat pipe radiator is used to dissipate heat, then heat dissipation function is provided, but additional equipment such as fan and drive circuit is required, increasing device complexity and manufacturing costs

Engineering Contradiction:

Improveheat dissipation effectVSAvoiddevice complexity

Core Design Contradiction:

TemperatureVSDevice complexity

Solution Approach 1:

The invention extracts and removes the fan and its drive circuit from the heat dissipation system, retaining only the essential heat pipe radiator component. This eliminates the need for additional moving parts, motors, and control electronics while maintaining effective heat dissipation through the heat pipe's passive thermal conduction mechanism

Inventive Principle:

Principle #2Taking out (Extraction)

Solution Approach 2:

The heat pipe radiator operates autonomously without requiring external power or control systems. It self-regulates heat transfer from the light source through phase change and thermal conduction, providing passive heat dissipation that eliminates dependency on active cooling components like fans

Inventive Principle:

Principle #25Self-service

2Temperature

If a fan is used to discharge hot air, then heat dissipation is achieved, but noise is generated and manufacturing costs increase

Engineering Contradiction:

Improveheat dissipation effectVSAvoidnoise

Core Design Contradiction:

TemperatureVSObject-generated harmful factors

Solution Approach 1:

The invention replaces the mechanical fan-based forced convection system with a passive heat pipe radiator that utilizes thermal conduction and phase change. This substitution eliminates mechanical moving parts that generate noise, achieving silent operation while maintaining heat dissipation effectiveness

Inventive Principle:

Principle #28Mechanics substitution (Replace mechanical system)

3Device complexity

If heat pipe radiator is used without fan, then device complexity is reduced, but heat dissipation effect is insufficient

Engineering Contradiction:

Improvedevice complexityVSAvoidheat dissipation effect

Core Design Contradiction:

Device complexityVSTemperature

Solution Approach 1:

The invention optimizes the heat pipe radiator's structural parameters including fin geometry, surface area, and material properties to enhance heat dissipation efficiency. By carefully designing the radiator's thermal parameters and convection surface characteristics, adequate heat dissipation is achieved without requiring additional active cooling components

Inventive Principle:

Principle #35Parameter changes

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 active radiator achieves efficient omnidirectional heat dissipation, reducing noise and manufacturing costs while ensuring effective heat management for stage lighting fixtures, enhancing their performance and lifespan.

Implementation Method 1

a heat transfer assembly which is at least partially transversely arranged inside the radiator body... heat transfer pipes... heat transfer substrate

Methodology Applied

Scientific EffectHeat conduction: Conduction (thermal)

Implementation Method 2

radiator body provided with heat dissipation channels... radiator fin group... omnidirectional air convection

Methodology Applied

Scientific EffectConvection: Convection

Implementation Method 3

radiator body provided with heat dissipation channels... heat dissipation channels of the first radiator fin group and that of the second radiator fin group is interlaced with each other

Methodology Applied

Scientific EffectThermal radiation: Thermal Radiation

Data Source

PatentUS10962215B2Active radiator with omnidirectional air convection and stage lighting fixture using the same

Publication Date: 2021.03.30 GUANGZHOU HAOYANG ELECTRONICS CO LTD

AI summary

The present application relates to an active radiator with omnidirectional air convection and a stage lighting fixture using the same. The active radiator includes a radiator body provided with heat dissipation channels and a heat transfer assembly which is at least partially transversely arranged inside the radiator body and in form of an integrity therewith. The present application of simple structure and convenient in use can achieve efficient heat dissipation through omnidirectional active heat dissipation of the stage lighting fixture, and can also reduce overall costs and is easy to install.