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Driving control system with multiple LED (light emitting diode) loads for automobile

A drive control and automotive technology, applied in lighting devices, light sources, electric light sources, etc., can solve problems such as excessive voltage and reduced service life of LED lights, and achieve improved stability, improved work efficiency, and sensitive response to switch control signals Effect

Active Publication Date: 2012-07-25
SHANGHAI SEEYAO ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

[0002] With the increase of high-power LED lamps used in vehicles, the drive control system must be able to provide stable power to each LED lamp. LED light output stable power
This makes these LED lights in use will be subject to excessive or low voltage, which greatly reduces the service life of the LED lights

Method used

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  • Driving control system with multiple LED (light emitting diode) loads for automobile
  • Driving control system with multiple LED (light emitting diode) loads for automobile
  • Driving control system with multiple LED (light emitting diode) loads for automobile

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Embodiment Construction

[0036] The implementation of the present invention will be illustrated by specific specific examples below, and those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0037] figure 1 It shows a structural schematic diagram of the drive control system for multiple LED loads used in automobiles of the present invention. The drive control system 1 for multiple LED loads for automobiles includes: a first power supply unit 11 , a second power supply unit 12 and a control unit 14 .

[0038] Wherein, the first power supply unit 11 includes: a first power supply 112 , a first controlled switch unit 111 , a first sampling unit 116 and a first constant unit 117 .

[0039] Preferably, the first controlled switch unit 111 includes a power switch transistor, more preferably, includes but not limited to a controlled switch transistor.

[0040] The first power supply unit 11 is used for provi...

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Abstract

The invention provides a driving control system with multiple LED (light emitting diode) loads for an automobile. The driving control system comprises a first power supply unit, a second power supply unit and a control unit, wherein the first power supply unit and the second power supply unit are both provided with a sampling unit and are used for providing load voltages to respective load based on the switching conditions of the respective controlled switch unit; and the control unit is used for outputting a balance signal for controlling a constant unit in the first power supply unit and a switch control signal for regulating and controlling the switching frequency of each controlled switch unit based on the sampling result of each sampling unit, wherein the constant unit is used for converting the direct current voltage output by the first power supply unit into a corresponding load voltage and regulating the corresponding load voltage based on the balance signal, so that the power supplied for each load is kept constant, and the sampling units are used for collecting the voltage signal of each controlled switch unit and the power supply signal of each load. According to the system, the voltage of each load can be kept stable.

Description

technical field [0001] The invention relates to the field of drive control, in particular to a drive control system for multiple LED loads used in automobiles. Background technique [0002] With the increase of high-power LED lamps used in vehicles, the drive control system must be able to provide stable power to each LED lamp. LED lights output stable power. This makes these LED lights in use will be subject to excessive or low voltage, so that the service life of the LED lights is greatly reduced. Therefore, how to improve the existing drive control system to timely adjust the output power of each LED lamp and provide stable drive control for multiple LED lamps is a problem to be solved by those skilled in the art. Contents of the invention [0003] In view of the above-mentioned shortcomings of the prior art, the object of the present invention is to provide a drive control system for multiple LED loads for automobiles, so as to provide stable drive control for multip...

Claims

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Application Information

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IPC IPC(8): H05B37/02
Inventor 李国阳王永和王艳周杨计划
Owner SHANGHAI SEEYAO ELECTRONICS CO LTD
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