Multi-mode LED lamp string control circuit and LED lamp string

Multi-mode LED lamp string control circuit and LED lamp string

The utility model is suitable for the LED drive control filed and provides a multi-mode LED lamp string control circuit and an LED lamp string. The LED lamp string control circuit comprises a time sequence control circuit board and a drive control circuit board; the time sequence control circuit com...

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1. Verfasser: YU SHUREN
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Sprache:eng
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ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
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description The utility model is suitable for the LED drive control filed and provides a multi-mode LED lamp string control circuit and an LED lamp string. The LED lamp string control circuit comprises a time sequence control circuit board and a drive control circuit board; the time sequence control circuit comprises a clamping voltage-dividing circuit, a first one-chip microcomputer and a flash mode control circuit; the drive control circuit board comprises a plurality of LED drive circuit groups, and each LED drive circuit group comprises a plurality of LED drive modules that are connected in parallel. According to the multi-mode LED lamp string control circuit and the LED lamp string, under the condition that a structure of two power source lines of the lamp string is not changed, electricity is supplied to the LED lamp string through high voltage, single-color or multi-color lamp string can orderly realize a synchronous flash mode, a flowing flash mode and a random flash mode through work frequency change of the one-chip microcomputer; a lamp string segment-change flash automatic demonstration function can be fulfilled through timed resetting, and vitality and diversity of LED lamp string flash can be greatly strengthened.
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According to the multi-mode LED lamp string control circuit and the LED lamp string, under the condition that a structure of two power source lines of the lamp string is not changed, electricity is supplied to the LED lamp string through high voltage, single-color or multi-color lamp string can orderly realize a synchronous flash mode, a flowing flash mode and a random flash mode through work frequency change of the one-chip microcomputer; a lamp string segment-change flash automatic demonstration function can be fulfilled through timed resetting, and vitality and diversity of LED lamp string flash can be greatly strengthened.</abstract><oa>free_for_read</oa></addata></record>
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title Multi-mode LED lamp string control circuit and LED lamp string
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