Light Module Power Bridging for Flicker-Free Color Temperature Change
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Solution Overview
Problem
Conventional light systems experience flickering during color temperature changes due to power interruptions caused by microcontroller unit (MCU) signal transitions, disrupting lighting and display functions.
Innovation Solution
A flicker-free light system with a signal sending module and light module, comprising a power supply unit, microcontroller unit, signal receiving unit, circuit unit, light unit, logic signal unit, and drive unit, ensuring continuous power to the light unit for seamless color temperature changes without interruptions.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the MCU stops outputting the original signal to change color temperature, then the color temperature can be changed, but the light unit experiences power interruption and flickers
Solution Approach 1:
The patent introduces an intermediary power supply circuit that provides continuous power to the light unit during MCU signal transitions. This intermediary power source bridges the gap when the MCU stops outputting signals, preventing power interruption and flickering while allowing color temperature changes to occur.
Solution Approach 2:
The system prepares the power supply circuit in advance to provide continuous power during signal transitions. By pre-configuring the power supply to maintain output during MCU signal interruptions, the system prevents flickering before it can occur, ensuring seamless color temperature changes.
2Reliability
If the MCU continuously outputs signal to keep light on, then light emission is continuous, but color temperature cannot be changed
Solution Approach 1:
The patent maintains continuous power supply to the light unit through the intermediary power circuit while the MCU transitions between color temperature signals. This ensures the useful action of light emission continues uninterrupted, while still allowing the MCU to change color temperature by sending new signals after the transition.
Solution Approach 2:
The system dynamically switches between MCU-controlled signaling and intermediary power supply during color temperature transitions. The power supply circuit dynamically adjusts to provide continuous power during signal interruptions, enabling both continuous light emission and color temperature adaptability.
3Ease of operation
If the light unit receives power through MCU signal, then power consumption is controlled by MCU, but power interruption causes flickering
Solution Approach 1:
The intermediary power supply circuit acts as a mediator between the MCU and the light unit. It maintains continuous power delivery to the light unit while the MCU controls color temperature through signal transitions, eliminating the harmful flickering effect caused by power interruptions.
Solution Approach 2:
The power supply circuit is prepared in advance to cushion against power interruptions during MCU signal transitions. By having the intermediary power source ready to provide continuous power, the system prevents the harmful effect of flickering before it can manifest during color temperature changes.
Data Source
AI summary
A flicker-free light color temperature changing system includes a signal sending module and a light module. The signal sending module has a power supply unit and a microcontroller unit. The light module has a light unit and a logic signal unit. When the power supply unit is operating, the power supply unit supplies a power to the microcontroller unit and the light unit, and the light unit keeps on emitting light. When the microcontroller unit sends a color temperature change command to the light unit via the logic signal unit and the drive unit, the light unit changes a color temperature in a continuous light-emitting state.