Intelligent type constant power automobile headlight driver

Intelligent type constant power automobile headlight driver

The utility model discloses an intelligent type constant power automobile headlight driver. The intelligent type constant power automobile headlight driver comprises a controller U1, a chip U2, a design single-chip microcomputer U3 and a chip U4. The chip U4 is used for temperature detection, and th...

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1. Verfasser: ZHANG RIWEN
Format: Patent
Sprache:chi ; 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 discloses an intelligent type constant power automobile headlight driver. The intelligent type constant power automobile headlight driver comprises a controller U1, a chip U2, a design single-chip microcomputer U3 and a chip U4. The chip U4 is used for temperature detection, and through arranging the positions of the chip U4, a field effect transistor Q1 and a transformer T1, within a whole range when work voltages increase from a low level (8 V) to a high level (35V), can maintain a stable temperature of 95+/-10 DEG C under the condition of a normal-temperature (25 DEG C) work state. Through detecting the temperature on the chip U4, the work state and the temperature of a whole machine can be detected, and in case of abnormities, protection motion is started. According to the utility model, the intelligent type constant power automobile headlight driver can identify wrong operation of installation personnel, filters high frequencies and high-voltage ripples and can realize self protection.
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subjects ELECTRIC HEATING
ELECTRIC LIGHTING NOT OTHERWISE PROVIDED FOR
ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
ELECTRICITY
title Intelligent type constant power automobile headlight driver
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