Modular LED Lamp System with Segmented Transformers
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Solution Overview
Problem
Users face challenges in determining the required brightness for LED corn lamps, leading to incorrect purchases and inability to return unsuitable products.
Innovation Solution
A modular LED system allowing users to combine multiple LED carriers with their own transformers, enabling adjustable brightness by adding or removing modules, and ensuring waterproofing for outdoor use.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Illumination intensity
If a single integrated LED corn lamp is used, then the structure is simple and easy to manufacture, but the brightness cannot be adjusted and the transformer is prone to overheating
Solution Approach 1:
The LED corn lamp is divided into multiple independent modules, each containing its own transformer and LED array. This segmentation allows the brightness to be adjusted by controlling the number of active modules while distributing the heat load across multiple smaller transformers, preventing overheating of a single large transformer.
2Adaptability or versatility
If multiple LED modules are combined to adjust brightness, then the brightness control is precise, but the device complexity increases
Solution Approach 1:
The lamp system is segmented into standardized modules that can be independently controlled. Each module has uniform connection interfaces, making installation and maintenance simple despite the modular complexity. The segmentation enables precise brightness control by activating different numbers of modules.
Solution Approach 2:
Each module is designed with universal connection interfaces and identical electrical characteristics, allowing any module to replace any other module. This universality simplifies installation and maintenance operations while maintaining the ability to adjust brightness through module configuration.
3Duration of action of stationary object
If a large transformer is used in a single corn lamp, then the manufacturing is simple, but the transformer lifespan is reduced due to heat concentration
Solution Approach 1:
The single large transformer is segmented into multiple smaller transformers, each handling a portion of the total power load. This reduces the heat concentration in each transformer, extending their operational lifespan while the distributed architecture manages the increased component count through standardized mounting and connection.
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
Enables precise control over light output, extends transformer lifespan by distributing heat, and allows for easy replacement of faulty modules, providing a flexible and efficient lighting solution.
Implementation Method 1
a housing section with a transformer that converts AC line voltage from a socket to a DC voltage suitable to power the LEDs
Implementation Method 2
The term 'corn light' was coined because the multiple LEDs look like corn kernels on a corn cobb. LED corn lamps can provide a very bright light by using a large quantity, sometimes hundreds, of LEDs. The 'cobb' provides a heat sink that can maintain an operating temperature for a large number of LEDs
Data Source
AI summary
A modular LED lamp system allows for stacking multiple LED carriers to provide the desired amount of light. Each LED carrier preferably includes its own transformer to convert line voltage to power useable by the LEDs on the carrier. Line voltage is conducted through each module to a subsequent module and is provided to the transformer.