Golf Cart LED Light Assemblies With Curved Fin Heat Sinks

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Solution Overview

Problem

Current light kits for golf carts, particularly head and tail lights, face challenges in efficiently dissipating heat generated by LED lights, which can lead to reduced light intensity and lifespan, and lack standardized designs for easy installation and versatility.

Innovation Solution

The development of light kits that incorporate heat sinks specifically designed for golf cart lights, featuring heat transfer elements aligned with LED positions and curved fins for effective heat dissipation, along with modular designs for easy installation and adaptability to various housing configurations.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Use of energy by moving object

If LED lights are used in golf cart lighting systems, then energy efficiency and lifespan are improved, but heat generation increases which reduces light intensity and lifespan

Engineering Contradiction:

Improveenergy efficiencyVSAvoidheat generation

Core Design Contradiction:

Use of energy by moving objectVSTemperature

Solution Approach 1:

The patent applies this principle by converting the harmful heat generated by LED lights into a manageable thermal flow through specifically designed heat sinks. The heat sinks capture the waste heat and redirect it away from the LED components, transforming the harmful thermal energy into a controlled dissipation process that maintains LED performance and longevity.

Inventive Principle:

Principle #22Blessing in disguise (Convert harm into benefit)

Solution Approach 2:

The heat sink acts as an intermediary component between the LED light source and the surrounding environment. It mediates the thermal interaction by providing a dedicated thermal management interface that transfers heat from the LED to the ambient air through conduction and convection, protecting the LED from direct thermal exposure.

Inventive Principle:

Principle #24Intermediary (Mediator)

2Ease of manufacture

If standardized heat sink designs are implemented, then manufacturing efficiency and versatility are improved, but adaptability to different LED configurations may be reduced

Engineering Contradiction:

Improvemanufacturing efficiencyVSAvoidadaptability to LED configurations

Core Design Contradiction:

Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The patent applies this principle by designing heat sinks with universal mounting features and standardized geometries that can accommodate multiple LED configurations. The heat sink structures incorporate adaptable mounting mechanisms and thermal transfer surfaces that can be configured for different LED arrangements, allowing a single design to serve multiple lighting system configurations across various golf cart models.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 heat sink integration enhances light intensity and longevity by managing heat effectively, while the modular design ensures compatibility with different golf cart lighting systems, providing a versatile and efficient lighting solution.

Implementation Method 1

heat transfer elements aligned with LED positions

Methodology Applied

Scientific EffectHeat transfer: Conduction (thermal)

Implementation Method 2

curved fins for effective heat dissipation

Methodology Applied

Scientific EffectHeat dissipation: Convection

Data Source

PatentUS9464777B2LED light assemblies

Publication Date: 2016.10.11 RED HAWK LLC

AI summary

Embodiments of the invention include head and tail lights with and without heat sinks and kits made therefrom for golf carts.