An LED lamp control circuit

CN224697923UActive Publication Date: 2026-08-28XIAMEN TOPSTAR LIGHTING
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Patent Information

Application Number
CN202521544184.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-07-23
Publication Date
2026-08-28
Estimated Expiration
2035-07-23

AI Technical Summary

Technical Problem

例如，在调光方面，无法实现精确且稳定的调光效果，导致灯光亮度不均匀或者在调节过程中出现闪烁现象；在色温调节上，难以保证在不同色温段下光通量和显色指数保持一致，影响照明质量；工作模式单一，不能满足用户在不同场景下的多样化需求

Benefits of technology

本方案通过设置MCU控制模块、双路PWM调光恒流模块、模式选择模块、负载模块和色温切换模块，并建立它们之间的连接关系，使得整个LED灯控制电路具备了多种功能的协同工作能力；MCU控制模块可以精准地控制双路PWM调光恒流模块，实现对LED灯亮度的精确调节；双路PWM调光恒流模块与负载模块连接，调节负载模块中LED灯的电流比例；色温切换模块与模式选择模块和负载模块连接，能够根据不同的模式选择实现色温的灵活切换，从而满足不同场景下的照明需求，进而能够实现精确的调光、稳定的色温切换以及多种工作模式选择，提升了LED灯的照明效果和用户体验。

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Abstract

The utility model relates to LED lamp control technical field, especially a kind of LED lamp control circuit, including MCU control module, double-path PWM light control constant current module, mode selection module, load module and color temperature switching module, double-path PWM light control constant current module is connected with MCU control module, mode selection module, load module and color temperature switching module respectively, color temperature switching module is connected with mode selection module and load module respectively, MCU control module can accurately control double-path PWM light control constant current module, realize the accurate regulation to LED lamp brightness;Double-path PWM light control constant current module is connected with load module, adjusts the current proportion of LED lamp in load module;Color temperature switching module is connected with mode selection module and load module, can realize the flexible switching of color temperature according to different mode selection, to meet the lighting demand under different scenes.
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