Lighting Device Silicon Controlled Dimming Circuit Compatibility
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Solution Overview
Problem
Traditional lighting devices have insufficient compatibility with silicon controlled dimmers, limiting their dimming control functions and usability.
Innovation Solution
A lighting device with a rectification circuit, intelligent module, silicon controlled dimming circuit, white light driving circuit, and RGB driving circuit is designed to convert AC to DC, providing stable voltage and adjusting brightness through PWM, ensuring compatibility with both silicon controlled and intelligent dimming systems.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a traditional silicon controlled dimmer is installed to adjust lighting, then the dimming function is achieved, but compatibility with intelligent lighting products is lost
Solution Approach 1:
The patent designs a lighting device that can work with both traditional silicon controlled dimmers and intelligent lighting systems. The circuit includes a rectification circuit that converts AC to DC, a supply circuit for intelligent module, a silicon controlled dimming circuit, and driving circuits for white light and RGB lamp panels. This multi-functional design allows the same device to be compatible with different control systems, resolving the contradiction between adaptability and device complexity.
2Ease of operation
If PWM dimming is used to control brightness through duty cycle adjustment, then precise brightness control is achieved, but compatibility with silicon controlled dimmers is reduced
Solution Approach 1:
The patent introduces a rectification circuit as an intermediary component that converts AC input to DC output. This intermediary conversion stage allows the system to interface between traditional silicon controlled dimmers (which work with AC) and PWM-based intelligent control (which requires DC). The rectification circuit acts as a mediator that enables both control methods to work with the same lighting device, resolving the contradiction between dimming precision and dimmer compatibility.
3Adaptability or versatility
If the lighting device supports both silicon controlled and intelligent dimming functions, then compatibility is improved, but power consumption increases
Solution Approach 1:
The patent implements a dynamic circuit configuration where the silicon controlled dimming circuit and intelligent module supply circuit can operate independently or together based on the control mode. When traditional silicon controlled dimming is used, the intelligent module supply circuit can be inactive, and vice versa. This dynamic operation allows the device to maintain compatibility with both systems while reducing power consumption by only activating the necessary circuit components for the current control mode.
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 solution enhances dimming control functionality, expands usage scope, and improves customer experience by achieving a dimming effect from 1-100%, while reducing power consumption and enhancing compatibility with silicon controlled dimmers.
Implementation Method 1
the rectification circuit first converts AC of mains supply into DC
Implementation Method 2
the white light driving circuit and the RGB driving circuit adjust the color temperature and brightness of a LED lamp panel and a RGB lamp panel through PWM
Data Source
AI summary
Disclosed is a lighting device with low-power consumption, including: a rectification circuit, a supply circuit of intelligent module, an intelligent module, a silicon controlled dimming circuit, a white light driving circuit, a white light lamp panel, a RGB driving circuit, and a RGB lamp panel. The above lighting device with low-power consumption can provide maintenance current through the silicon controlled dimming circuit. During operation of the white light driving circuit, the silicon controlled dimming circuit keeps working consistently. When the lighting function is turned off, the silicon controlled dimming circuit turns off the output and enters a standby state.