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A four-in-one dimming circuit for led power supply

A technology of LED power supply and dimming circuit, which is applied in the direction of electric lamp circuit layout, electric light source, light source, etc., can solve the problems of inconvenience, reduce customer selection, affect the energy saving effect of LED power supply, etc., and achieve the goal of realizing secondary energy saving and improving efficiency Effect

Active Publication Date: 2016-09-07
MOSO POWER SUPPLY TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing LED power supply dimming is a single dimming method, and users will encounter many problems during the installation and matching process. For example, they must purchase corresponding dimming devices, which is very uncomfortable during use. Convenience, can not meet people's application needs, thereby reducing the selection of customers, affecting the energy-saving effect of LED power supplies

Method used

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  • A four-in-one dimming circuit for led power supply
  • A four-in-one dimming circuit for led power supply
  • A four-in-one dimming circuit for led power supply

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Embodiment Construction

[0015] In order to make the object, technical solution and advantages of the present invention clearer, the present invention 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 invention, not to limit the present invention.

[0016] Please refer to figure 1 As shown, a four-in-one dimming circuit for LED power supply, including intelligent control circuit, resistor\voltage\PWM dimming port, voltage divider and linearity correction circuit, 2.5V reference circuit, regulated power supply circuit, resistance-capacitance filter circuit, Current amplification and voltage following circuit, dimming output control port, the intelligent control circuit described in it is unidirectionally connected to the resistance\voltage\PWM dimming port, and the voltage division and linearity correction circuit passes through the resistance-...

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Abstract

The invention discloses a four-in-one light-dimming circuit of a light-emitting diode (LED) power source. The circuit comprises an intelligent control circuit, a pulse width modulation (PWM) light-dimming port, a voltage distribution and linear correction circuit, a reference circuit, a stabilized voltage supply circuit, a resistance-capacitance filter circuit, a current amplification and voltage follower circuit and a light-dimming output control port; and the intelligent control circuit is unidirectionally connected with the PWM light-dimming port, the voltage distribution and linear correction circuit is connected with the light-dimming output control port through the resistance-capacitance filter circuit and the current amplification and voltage follower circuit, the stabilized voltage supply circuit is respectively connected with the light-dimming output control port and the reference circuit, and the reference circuit and the PWM light-dimming port are respectively and unidirectionally connected with the voltage distribution and linear correction circuit. Functions of variable resistance light dimming, 0-10V voltage light dimming and PWM light dimming are realized; and moreover, under the condition of being not connected with any external circuits, an intelligent light-dimming function is realized through modifying a programmable port, secondary energy saving of the LED power source is realized, and the integral efficiency is increased.

Description

technical field [0001] The invention belongs to the field of LED lighting control and relates to a four-in-one dimming circuit for LED power supplies. Background technique [0002] In recent years, LEDs have been widely used as a new generation of green and efficient lighting sources. LEDs have high luminous efficiency, low energy consumption, long life, recyclable materials, no pollution to the environment, and good dimming performance. In order to create For a more comfortable lighting atmosphere and energy saving, the research on LED dimming technology is extremely important. However, the existing LED power supply dimming is a single dimming method, and users will encounter many problems during the installation and matching process. For example, they must purchase corresponding dimming devices, which is very uncomfortable during use. It is convenient and cannot meet people's application requirements, thereby reducing the selection of customers and affecting the energy-sa...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H05B37/02
CPCY02B20/40
Inventor 顾永德苏周唐挺荣徐兵
Owner MOSO POWER SUPPLY TECH
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