Automatic regulating voltage stabilizing circuit

A voltage stabilizing circuit and automatic adjustment technology, which is applied to the arrangement of electric lamp circuits, electric light sources, light sources, etc., can solve the problems of high cost, many circuit devices, and complicated circuits, and achieve the effects of convenient control, low cost, and stable lighting of lamps and lanterns.

Inactive Publication Date: 2014-10-15
OCEANKING DONGGUAN LIGHTING TECH +2
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  • Abstract
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  • Claims
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Problems solved by technology

[0003] The above-mentioned circuit devices are many, the circuit is more complicated, and the cost is higher

Method used

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  • Automatic regulating voltage stabilizing circuit

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Embodiment Construction

[0014] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0015] Please refer to figure 1 , an automatic regulation voltage stabilization circuit, including phototransistor VT1, single transistor VT2, thyristor VT3, rectifier bridge BD1, fuse F1, AC light source LAMP, resistors R1, R2, R3, R4, R5, R6; VT1 collector Connect with one end of R1, one end of R2 and one end of R3 respectively; the VT1 emitter is connected with the 4th pin of BD1, the other end of R2, one end of R4, the 3rd pin of R6 and the cathode of VT3; the ...

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Abstract

An embodiment of the invention discloses an automatic regulating voltage stabilizing circuit. The circuit includes a photosensitive triode VT1, a unijunction transistor VT2, a thyristor VT3, a rectifier bridge BD1, a fuse F1, an alternating current light source LAMP, resistors R1, R2, R3, R4, R5 and R6; a collector electrode of VT1 is connected with one end of R1, one end of R2 and one end of R3; an emitting electrode of VT1 is connected with a fourth pin of BD1, the other end of R2, one end of R4, a third pin of R6 and a cathode of VT3; an emitting electrode of VT2 is connected with the other end of R3 and the other end of R4; a base electrode of VT2 is connected with a second pin of R6; the other base electrode of VT2 is connected with a gate pole of V3; and an anode of VT3 Is connected with a second pin of BD1, the other end of R1 and one end of R5. The automatic regulating voltage stabilizing circuit in the embodiment of the invention has the advantages of simple structure, convenient control and low cost.

Description

technical field [0001] The invention relates to the field of lighting control, in particular to an automatic regulation and voltage stabilization circuit. Background technique [0002] Reference document AC regulated DC regulated power supply (Chinese Patent Application No. 96235285.3), an AC regulated DC regulated power supply of the present invention, includes an AC regulating circuit composed of an autotransformer and a thyristor, a transformer, A sampling amplifier modulation circuit composed of a rectifier filter circuit and an operational amplifier integrated circuit block. The sampling, amplifying and modulating circuit is connected to the thyristor of the AC regulating circuit for regulation and control. [0003] The above-mentioned circuit has many components, the circuit is more complicated, and the cost is higher. Contents of the invention [0004] The technical problem to be solved by the embodiments of the present invention is to provide an automatic regulat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H05B37/02
Inventor 周明杰杨俊昌
Owner OCEANKING DONGGUAN LIGHTING TECH
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