Integrated LED Controller with Bottom-Mounted Dimmers
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Solution Overview
Problem
Existing LED controllers are cumbersome due to the need for ad hoc programming, mounting hardware, and heat sinks, which are not standardized, and they often require a separate housing for thermal management, limiting installation options and efficiency.
Innovation Solution
An LED controller with dimmer switches mounted on its bottom surface for thermal bonding to a heat sink, allowing direct attachment to an LED strip and a common heat sink, such as an aluminum rail, using thermal adhesive, and featuring a microcontroller with PWM capabilities for brightness control and serial signal application to minimize power consumption and heat generation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If LED controllers use ad hoc programming I/O and mounting hardware, then device functionality is achieved, but installation complexity and time increase
Solution Approach 1:
The patent combines multiple previously separate components (controller housing, heat sink, mounting hardware, and electrical connections) into a single integrated LED controller assembly. This merging eliminates the need for separate mounting brackets, thermal paste application, and individual component installation, directly resolving the contradiction by reducing installation steps while maintaining all necessary functions
Solution Approach 2:
The integrated assembly serves multiple functions simultaneously: it provides structural mounting support, thermal management through the heat sink, electrical control functionality, and mechanical attachment to the LED strip. This multi-functionality eliminates the need for separate specialized components for each function, simplifying installation while achieving all required operations
2Temperature
If LED controllers require separate housing for thermal management, then heat dissipation is achieved, but installation flexibility is reduced
Solution Approach 1:
The heat sink is merged with the controller housing and mounting structure into a single integrated thermal management system. This eliminates the need for separate heat sink attachment steps and allows the entire assembly to be mounted directly to various surfaces (rails, panels, surfaces) while maintaining effective thermal dissipation, thus preserving both heat management performance and installation flexibility
Solution Approach 2:
The thermal management function is integrated into the structural dimension of the housing rather than being a separate附加 component. The housing itself becomes the thermal pathway, allowing heat to be conducted through the mounting structure to the installation surface, thereby eliminating the need for additional thermal management components and enhancing installation adaptability
3Temperature
If LED controllers use conventional mounting methods, then secure attachment is achieved, but thermal transfer efficiency decreases
Solution Approach 1:
The mounting structure and thermal conduction path are merged into a single continuous metallic structure. The same components that provide mechanical attachment strength also serve as the thermal conduction pathway, eliminating the need for separate thermal interface materials and ensuring optimal thermal transfer while maintaining secure attachment
Solution Approach 2:
The integrated assembly uses metallic materials that simultaneously provide both mechanical strength for mounting and high thermal conductivity for heat dissipation. This composite functionality within the mounting structure itself resolves the contradiction by making the attachment hardware the thermal management solution
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
Facilitates quick replacement of LED strips, reduces thermal management needs, minimizes power consumption, and eliminates banding artifacts in video recordings by direct heat transfer and staggered PWM signal application, enabling efficient and flexible installation and operation.
Implementation Method 1
The LED controller may be attached to the rail using thermal adhesive (e.g., thermal tape)
Implementation Method 2
featuring a microcontroller with PWM capabilities for brightness control and serial signal application
Data Source
AI summary
A light emitting diode (LED) controller includes a substantially flat circuit board having a first surface and an oppositely disposed second surface. A microprocessor and a first driver module are mounted on the first surface, the first driver module being configured to receive first control signals from the microprocessor and to generate second control signals. A second driver module is mounted on the second surface and configured to receive the second control signals from the first driver module and to generate third control signals. An LED controller terminal end is configured to apply the third control signals to an LED strip.