Dimming and color adjusting circuit and lamp
A current regulation circuit and circuit technology, applied in the direction of electrical components, etc., can solve the problems of complex circuit structure, low circuit working efficiency, inability to adjust color, etc., and achieve the effect of simplifying the circuit structure, high working efficiency, and eliminating flicker
Pending Publication Date: 2022-01-25
LEEDARSON IOT TECH INC
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Problems solved by technology
[0004] The purpose of this application is to provide a dimming and coloring circuit and a lamp, aiming to solve the problem that the traditional thyristor dimming technology cannot perform color adjustment while dimming, resulting in low working efficiency of the circuit and complicated circuit structure. question
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[0052] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present application clearer, the present application will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present application, and are not intended to limit the present application.
[0053] It should be noted that the terms "first" and "second" are only used for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present application, "plurality" means two or more, unless otherwise specifically defined.
[0054] see figure 1 , is a schematic diagram of the module struct...
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The invention discloses a dimming and color adjusting circuit and a lamp. The dimming and color adjusting circuit comprises a silicon controlled rectifier dimmer, a rectifying circuit, a color adjusting circuit and a constant current circuit, wherein the silicon controlled rectifier dimmer regulates the voltage of an alternating current signal so as to realize linear dimming, and the rectifying circuit rectifies the alternating current signal after voltage regulation into a direct current signal so as to supply power to each path of light-emitting module. The color adjusting circuit adjusts the ratio of current flowing through each light emitting module, and the constant current circuit carries out constant current control on a power supply loop of each light emitting module. According to the invention, at least two light emitting modules are controlled through a single circuit, the dimming and color adjusting functions are achieved at the same time, the dimming and color adjusting circuit is compatible with the silicon controlled rectifier, the constant current circuit is adopted to control the current in the power supply loop to be constant, the working efficiency of the circuit is high, the circuit structure is simplified, and the dimming and color adjusting circuit and the lamp can be widely applied to DOB products.
Description
technical field [0001] The application belongs to the technical field of light-emitting module control, and in particular relates to a dimming and toning circuit and a lamp. Background technique [0002] Thyristor dimming technology refers to connecting a thyristor dimmer in series between the mains and the optical drive power supply, using the thyristor dimmer to perform phase-cutting processing on the mains power, and outputting it to the optical drive power supply to drive The lighting module works. However, when the traditional dimming circuit uses silicon controlled rectifiers for dimming, it is necessary to add an independent toning circuit to realize the functions of dimming and toning. Therefore, the traditional thyristor dimming technology cannot perform color adjustment while dimming, resulting in low working efficiency and complicated circuit structure. In addition, thyristor dimming technology is prone to flicker due to low compatibility. In order to eliminate ...
Claims
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Login to View More IPC IPC(8): H05B47/10H05B47/165
CPCH05B47/10H05B47/165Y02B20/40
Inventor刘伟林起锵吴永强叶和木陈毅滨
OwnerLEEDARSON IOT TECH INC