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Self-adapting remote start voltage control circuit and self-adapting remote start voltage control method

A voltage control method and technology for voltage control circuits, which are applied in the arrangement of electric lamp circuits, electric light sources, lighting devices, etc., can solve the problems of different starting power sources and the inability of light sources to light up, and achieve the effects of circuit stability and life improvement.

Inactive Publication Date: 2010-03-03
OCEANS KING LIGHTING SCI&TECH CO LTD
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0003] However, due to the difference in the distance between the driving circuit and the light source, the starting power is also different. When the distance between the driving circuit and the light source changes, the starting voltage does not change accordingly, and the light source will be turned off due to insufficient starting voltage. Can't light up

Method used

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Embodiment Construction

[0030] In order to enable the examiner to have a further understanding and understanding of the structural features and functions of the present invention, the preferred embodiments and accompanying drawings are used for detailed descriptions, as follows:

[0031] Such as figure 2 As shown, the adaptive remote start-up voltage control circuit of the present invention includes a centralized controller MCU 10 , a light source driving circuit 20 , a light source 30 and a feedback detection circuit 40 . The centralized controller 10 outputs a pulse-width modulated (PWM) signal with a preset frequency f to the light source driving circuit 20 , and the light source driving circuit 20 controls the starting voltage to start the light source 30 .

[0032] The feedback detection circuit 40 is mainly used to realize the automatic detection of the distance between the light source driving circuit 20 and the light source 30, controlled by the centralized controller 10, and outputs a PWM s...

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Abstract

The invention provides a self-adapting remote start voltage control circuit which comprises a centralized controller, a light source drive circuit, a light source and a feedback detecting circuit, wherein the feedback detecting circuit converts the detected distance factor between the light source drive circuit and the light source into a voltage difference needing compensation and feeds the voltage difference back to the centralized controller; and when acquiring the voltage difference fed back by the feedback detecting circuit, the centralized controller carries out logical processing on thevoltage difference and then outputs a signal with preset frequency to the light source drive circuit and controls the light source drive circuit to output constant start voltage to the light source.The invention solves the problems of unavailable light source start caused by the quite long distance between the light source drive circuit and the light source, leads the circuit to be more stable and reliable, improves the service life of the light source and can be automatically adapted to the control of the light source generating start voltage change due to distance change.

Description

technical field [0001] The invention relates to a method for controlling starting voltage, in particular to an adaptive remote starting voltage control circuit and a method thereof. Background technique [0002] figure 1 It is the circuit block diagram of the starting voltage of the current technology, as shown in the figure. The centralized controller MCU outputs a certain frequency PWM signal to the drive circuit. The driving circuit controls the starting voltage to start the light source. However, the distance between the driving circuit and the light source in the prior art is fixed, and the start-up voltage value is also a fixed value. [0003] However, due to the difference in the distance between the driving circuit and the light source, the starting power is also different. When the distance between the driving circuit and the light source changes, the starting voltage does not change accordingly, and the light source will be turned off due to insufficient startin...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02
Inventor 周明杰郑平樊亮申林泉
Owner OCEANS KING LIGHTING SCI&TECH CO LTD
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