High-Voltage WRGB String Light Voltage Drop Control
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Solution Overview
Problem
Existing WRGB string lights have limited serial connections due to voltage drop, resulting in non-uniform brightness across connected bulbs, and lack advanced control features like light sensation, timing, and overcurrent protection.
Innovation Solution
A high-voltage WRGB string light system with a detachable controller that includes power supply modules, control modules, and protection circuits, enabling synchronization of multiple strings, light adjustment, and overcurrent protection, along with memory functions for state preservation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the number of serially connected strings exceeds four, then the coverage area of the string light increases, but the brightness uniformity deteriorates due to voltage drop
Solution Approach 1:
The patent changes the operating voltage parameter from low voltage (causing voltage drop) to high voltage (reducing voltage drop effect), enabling longer string connections while maintaining brightness uniformity. The controller regulates power distribution to ensure consistent illumination across all bulbs even in extended configurations.
2Adaptability or versatility
If advanced control features like light sensation and timing are added, then the functionality and usability improve, but the device complexity increases
Solution Approach 1:
The patent combines multiple control functions (light sensation, timing, overcurrent protection, memory) into a single integrated controller unit. This merging approach enhances functionality while managing complexity by centralizing control logic in one module rather than distributing it across multiple separate components.
Solution Approach 2:
The light sensation module enables the string light to automatically detect ambient light conditions and adjust operation accordingly, providing self-service functionality that enhances adaptability without requiring complex manual control systems.
3Reliability
If overcurrent protection and memory functions are implemented, then the reliability and user convenience improve, but the manufacturing cost and device complexity increase
Solution Approach 1:
The overcurrent protection module continuously monitors current flow and provides feedback to the controller, which automatically adjusts or disconnects power when abnormal conditions are detected. This feedback mechanism enhances reliability by preventing damage from overcurrent events while maintaining relatively simple circuit implementation through automated response.
Solution Approach 2:
The memory function stores operational state information in advance, allowing the system to restore previous settings after power interruption. This preliminary action of storing state data improves user convenience by eliminating the need to reconfigure settings, while the memory circuit remains relatively simple in implementation.
Data Source
AI summary
The present disclosure discloses a high-pressure white-red-green-blue (WRGB) string light, including a controller and a string light main body. The controller is connected with the string light main body; the string light main body is provided with a plurality of WRGB bulbs; the controller includes a first power supply module and a main control module; the first power supply module is adapted to be connected to a mains supply to supply power to the main control module; the WRGB bulbs include a second power supply module, an auxiliary control module and a lighting module; the second power supply module is adapted to be connected to the controller or the main supply to supply power to the auxiliary control module and the lighting module; and the main control module is adapted to send a control signal to the auxiliary control module.