Green and intelligent numerical-control light emitting diode (LED) driving power supply

Abstract

The invention discloses a green and intelligent numerical-control light emitting diode (LED) driving power supply. The green and intelligent numerical-control LED driving power supply comprises an alternating-current input rectification filtering unit, a PFC active power factor rectifying unit, a flyback power supply transformation unit, an output filtering unit, a constant current dual output unit, a voltage / current feedback and sampling unit, a linear optocoupler insulation unit, an MSP430F149 single chip microcomputer control module and an affiliating temperature measurement module, a liquid crystal display module, a keyboard input module, an automatic light sensing and light adjusting module, a global system for mobile communications (GSM) wireless communication module, an auxiliary power supply module of a single chip microcomputer, an I / O extended module, a crystal oscillating module, an auxiliary protection circuit and a wireless remote control light adjusting ZIGBEE module. The green and intelligent numerical-control LED driving power supply has the advantages of being high in efficiency, green in high power factor, capable of sending information of abnormal service conditions, and high in digital and intelligentization degree.

Description

technical field [0001] The invention relates to an LED driving power supply, which belongs to the field of electronic technology, especially the field of high-frequency switching power supply. Background technique [0002] With the development of lighting technology, LED lighting technology has been widely used in production and life due to its advantages of energy saving, environmental protection and long life. [0003] LED is a semiconductor light-emitting device that converts electrical signals into optical signals. It has forward conduction, reverse cut-off and overvoltage breakdown characteristics. The brightness of the LED lamp should be selected according to the purpose to determine the power driving mode of the LED power supply, etc. The driving power supply should meet the requirements of energy saving, green economy, and high efficiency. Energy saving is reflected in the low power consumption of the drive power supply; green economy is reflected in the high power...

AI Technical Summary

Problems solved by technology

[0007] The present invention is mainly aimed at ordinary high-power LED power supplies, which have low power factor, low digital intelligence, poor human-computer interaction, single dimming mode, single application occasions, and failure to report abnormal working condition information in time, resulting in delays in optimal maintenance timing and further Shortcomings such as shortening the life of LED lamps lead to the design of a high-efficiency, green high-power factor, and a green intelligent digital control LED drive power supply that can report abnormal working condition information in time

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