Self-Adaptive LED Driver With Sampler Feedback
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Solution Overview
Problem
LEDs require precise electrical properties for effective operation, and the independence of their driving and illuminating processes leads to challenges in fabrication and installation, necessitating skilled human knowledge to prevent errors.
Innovation Solution
A self-adaptive illuminating device comprising an illumination module with electrically coupled units and a sampler, and a driver module with a signal processing unit and power transformer, which tests and adjusts electrical properties using feedback signals to generate operating parameters, thereby minimizing errors and reducing human intervention.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Manufacturing precision
If traditional LED driving methods are used with fixed operating parameters, then the device structure is simple, but fabrication and installation errors occur frequently requiring skilled human intervention
Solution Approach 1:
The LED driving device performs self-diagnosis and self-adjustment by automatically testing electrical properties of LED strings and dynamically adjusting operating parameters without requiring external human intervention or complex manual calibration procedures
Solution Approach 2:
The system implements a feedback mechanism where the controller tests electrical properties of LED strings, compares results against expected values, and automatically adjusts driving parameters based on the test outcomes to achieve precise parameter matching
2Manufacturing precision
If skilled human knowledge is required for LED fabrication and installation, then operating parameters can be accurately set, but the ease of operation deteriorates and human effort increases
Solution Approach 1:
The driving device automatically performs electrical property testing and parameter optimization without requiring operators to possess specialized LED knowledge or perform manual calibration, making installation and operation accessible to personnel with basic skills
3Measurement precision
If LED driving and illuminating are strictly independent, then the control is precise, but fabrication and installation errors increase requiring human intervention
Solution Approach 1:
The system merges the independent driving control function with automated diagnostic and adjustment capabilities, integrating electrical property testing and parameter optimization into the driving controller to eliminate the need for separate manual calibration procedures
Data Source
AI summary
A self-adaptive illuminating device includes an illumination module and a driver module. The illumination module includes multiple electrically coupled illuminating units and a sampler. The sampler is electrically coupled to the illuminating units. The sampler tests at least one electrical property of the illuminating units by using a test signal for generating a feedback parameter. The driver module is electrically coupled to the illumination module. The driver module includes a signal processing unit and a power transformer. The signal processing unit is coupled to the sampler. The signal processing unit generates an operating parameter based on the feedback signal. The power transformer is electrically coupled to the signal processing unit and the illuminating units. The power transformer generates a resulting driving power based on the operating parameter and the initial driving power, and drives the illuminating units using the resulting driving power.