CN104105246A - Automatic regulating voltage stabilizing circuit - Google Patents
Automatic regulating voltage stabilizing circuit Download PDFInfo
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- CN104105246A CN104105246A CN201310125509.4A CN201310125509A CN104105246A CN 104105246 A CN104105246 A CN 104105246A CN 201310125509 A CN201310125509 A CN 201310125509A CN 104105246 A CN104105246 A CN 104105246A
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- stabilizing circuit
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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
The present invention relates to a kind of illumination control field, relate in particular to a kind of voltage stabilizing circuit that automatically regulates.
Background technology
Documents exchanges regulation type direct current stabilized voltage power supply (Chinese Patent Application No. 96235285.3), a kind of D.C. regulated power supply that exchanges adjustment type of the present invention, includes the sampling amplification modulating circuit that the AC regulating circuit, transformer, current rectifying and wave filtering circuit and the amplifier integrated circuit block that are made up of autotransformer and controllable silicon etc. form.Sampling amplification modulating circuit is connected to the controllable silicon of AC regulating circuit, regulates control.
Foregoing circuit device is many, and circuit is more complicated, and cost is higher.
Summary of the invention
Embodiment of the present invention technical problem to be solved is, a kind of voltage stabilizing circuit that automatically regulates is provided.Can reach along with the variation of external voltage causes the light and shade of light fixture light and control the variation of the resistance value of phototriode, change to control the ON time of thyristor by controlling single-phase transistor phase place, arrive the stable object of lamp lighting.
In order to solve the problems of the technologies described above, the embodiment of the present invention provides a kind of automatic adjusting voltage stabilizing circuit, comprises phototriode VT1, single-unit transistor VT2, thyristor VT3, rectifier bridge BD1, fuse F1, AC-operated light sources LAMP, resistance R 1, R2, R3, R4, R5, R6; The VT1 collector electrode utmost point is connected with R1 one end, R2 one end and R3 one end respectively; VT1 emitter is connected with BD1 the 4th pin, the R2 other end, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively; VT2 emitter is connected with the R3 other end and the R4 other end respectively; VT2 mono-base stage is connected with R6 the 2nd pin; Another base stage of VT2 is connected with VT3 gate pole; VT3 anode is connected with BD1 the 2nd pin, the R1 other end and R5 one end respectively; BD1 the 1st pin is connected with LAMP one end; BD1 the 3rd pin is connected with interchange input one end; F1 one end is connected with the interchange input other end; The F1 other end is connected with the LAMP other end; The R5 other end is connected with R6 the first pin.
Further, also comprise capacitor C 1; C1 positive pole respectively with BD1 the 2nd pin, R1 one end, R5 one end and VT3 anodic bonding; C1 negative pole is connected with BD1 the 4th pin, R2 one end, VT1 emitter, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively.
Further, when circuit working, alternating current is by rectifier bridge BD1 rectification, and capacitor C 1 filtering, becomes direct current access thyristor VT3, and trigger impulse is produced by single-unit transistor VT2, controls VT3 angle of flow and realizes the brightness regulation of controlling light fixture LAMP.
Further, while change when the variation of light source LAMP alternating voltage, the resistance value of phototriode VT1 also changes, the R3, the R4 dividing potential drop that are attached thereto also change, the voltage-phase of controlling single-unit transistor VT2 also changes, thereby the impulse phase that triggers thyristor VT3 is moved, increase or reduce the ON time of thyristor VT3; R5, R6 provide bias voltage for VT2 base stage.Reach the object of automatic regulation.
Further, described VT1 model is TLP107, and VT2 model is BT33C, and VT3 model is MCR729.
Further, described BD1 model is KBJ2506.
Implement the embodiment of the present invention, there is following beneficial effect: the present invention can reach along with the variation of external voltage causes the light and shade of light fixture light and control the variation of the resistance value of phototriode, change to control the ON time of thyristor by controlling single-phase transistor phase place, arrive the stable object of lamp lighting, and simple in structure, it is convenient, with low cost to control.
Brief description of the drawings
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 be a kind of automatic adjusting voltage stabilizing circuit of the present invention schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtaining under creative work prerequisite, belong to the scope of protection of the invention.
Please refer to Fig. 1, a kind of voltage stabilizing circuit that automatically regulates, comprises phototriode VT1, single-unit transistor VT2, thyristor VT3, rectifier bridge BD1, fuse F1, AC-operated light sources LAMP, resistance R 1, R2, R3, R4, R5, R6; The VT1 collector electrode utmost point is connected with R1 one end, R2 one end and R3 one end respectively; VT1 emitter is connected with BD1 the 4th pin, the R2 other end, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively; VT2 emitter is connected with the R3 other end and the R4 other end respectively; VT2 mono-base stage is connected with R6 the 2nd pin; Another base stage of VT2 is connected with VT3 gate pole; VT3 anode is connected with BD1 the 2nd pin, the R1 other end and R5 one end respectively; BD1 the 1st pin is connected with LAMP one end; BD1 the 3rd pin is connected with interchange input one end; F1 one end is connected with the interchange input other end; The F1 other end is connected with the LAMP other end; The R5 other end is connected with R6 the first pin.
Also comprise capacitor C 1; C1 positive pole respectively with BD1 the 2nd pin, R1 one end, R5 one end and VT3 anodic bonding; C1 negative pole is connected with BD1 the 4th pin, R2 one end, VT1 emitter, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively.
When circuit working, alternating current is by rectifier bridge BD1 rectification, and capacitor C 1 filtering, becomes direct current access thyristor VT3, and trigger impulse is produced by single-unit transistor VT2, controls VT3 angle of flow and realizes the brightness regulation of controlling light fixture LAMP.
While change when the variation of light source LAMP alternating voltage, the resistance value of phototriode VT1 also changes, the R3, the R4 dividing potential drop that are attached thereto also change, the voltage-phase of controlling single-unit transistor VT2 also changes, thereby the impulse phase that triggers thyristor VT3 is moved, increase or reduce the ON time of thyristor VT3; R5, R6 provide bias voltage for VT2 base stage.Reach the object of automatic regulation.
Fuse F1 is over-current protection device.
Described VT1 model is TLP107, and VT2 model is BT33C, and VT3 model is MCR729.
Described BD1 model is KBJ2506.
The present invention can reach along with the variation of external voltage causes the light and shade of light fixture light and control the variation of the resistance value of phototriode, change to control the ON time of thyristor by controlling single-phase transistor phase place, arrive the stable object of lamp lighting, and simple in structure, it is convenient, with low cost to control.
One of ordinary skill in the art will appreciate that all or part of flow process realizing in above-described embodiment method, can carry out the hardware that instruction is relevant by computer program to complete, described program can be stored in a computer read/write memory medium, this program, in the time carrying out, can comprise as the flow process of the embodiment of above-mentioned each side method.Wherein, described storage medium can be magnetic disc, CD, read-only store-memory body (Read-Only Memory, ROM) or random store-memory body (Random Access Memory, RAM) etc.
Above disclosed is only preferred embodiment of the present invention, certainly can not limit with this interest field of the present invention, and the equivalent variations of therefore doing according to the claims in the present invention, still belongs to the scope that the present invention is contained.
Claims (6)
1. automatically regulate a voltage stabilizing circuit, it is characterized in that, comprise phototriode VT1, single-unit transistor VT2, thyristor VT3, rectifier bridge BD1, fuse F1, AC-operated light sources LAMP, resistance R 1, R2, R3, R4, R5, R6; The VT1 collector electrode utmost point is connected with R1 one end, R2 one end and R3 one end respectively; VT1 emitter is connected with BD1 the 4th pin, the R2 other end, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively; VT2 emitter is connected with the R3 other end and the R4 other end respectively; VT2 mono-base stage is connected with R6 the 2nd pin; Another base stage of VT2 is connected with VT3 gate pole; VT3 anode is connected with BD1 the 2nd pin, the R1 other end and R5 one end respectively; BD1 the 1st pin is connected with LAMP one end; BD1 the 3rd pin is connected with interchange input one end; F1 one end is connected with the interchange input other end; The F1 other end is connected with the LAMP other end; The R5 other end is connected with R6 the first pin.
2. automatic adjusting voltage stabilizing circuit according to claim 1, is characterized in that, also comprises capacitor C 1; C1 positive pole respectively with BD1 the 2nd pin, R1 one end, R5 one end and VT3 anodic bonding; C1 negative pole is connected with BD1 the 4th pin, R2 one end, VT1 emitter, R4 one end, R6 the 3rd pin and VT3 negative electrode respectively.
3. automatic adjusting voltage stabilizing circuit according to claim 1, it is characterized in that, when circuit working, alternating current is by rectifier bridge BD1 rectification, capacitor C 1 filtering, become direct current access thyristor VT3, trigger impulse is produced by single-unit transistor VT2, controls VT3 angle of flow and realizes the brightness regulation of controlling light fixture LAMP.
4. automatic adjusting voltage stabilizing circuit according to claim 1, it is characterized in that, while change when the variation of light source LAMP alternating voltage, the resistance value of phototriode VT1 also changes, the R3, the R4 dividing potential drop that are attached thereto also change, the voltage-phase of controlling single-unit transistor VT2 also changes, thereby the impulse phase that triggers thyristor VT3 is moved, and increases or reduce the ON time of thyristor VT3; R5, R6 provide bias voltage for VT2 base stage.Reach the object of automatic regulation.
5. automatic adjusting voltage stabilizing circuit according to claim 1, is characterized in that, described VT1 model is TLP107, and VT2 model is BT33C, and VT3 model is MCR729.
6. automatic adjusting voltage stabilizing circuit according to claim 1, is characterized in that, described BD1 model is KBJ2506.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125509.4A CN104105246A (en) | 2013-04-11 | 2013-04-11 | Automatic regulating voltage stabilizing circuit |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310125509.4A CN104105246A (en) | 2013-04-11 | 2013-04-11 | Automatic regulating voltage stabilizing circuit |
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| CN104105246A true CN104105246A (en) | 2014-10-15 |
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| CN201310125509.4A Pending CN104105246A (en) | 2013-04-11 | 2013-04-11 | Automatic regulating voltage stabilizing circuit |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734604A (en) * | 2015-03-26 | 2015-06-24 | 俭能科技（厦门）有限公司 | Power efficiency improving device |
| CN107249242A (en) * | 2015-07-06 | 2017-10-13 | 湖南工业大学 | A kind of single phase poaer supply line sends the device of LED brightness control signal |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166165A (en) * | 2006-12-28 | 2008-07-17 | Toshiba Lighting & Technology Corp | Lighting device |
| CN202738223U (en) * | 2012-09-09 | 2013-02-13 | 刘昭利 | Automatic dimming desk lamp |
| CN202818687U (en) * | 2012-07-05 | 2013-03-20 | 成都市思博睿科技有限公司 | Projection lamp AC pressure regulating apparatus |
-
2013
- 2013-04-11 CN CN201310125509.4A patent/CN104105246A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008166165A (en) * | 2006-12-28 | 2008-07-17 | Toshiba Lighting & Technology Corp | Lighting device |
| CN202818687U (en) * | 2012-07-05 | 2013-03-20 | 成都市思博睿科技有限公司 | Projection lamp AC pressure regulating apparatus |
| CN202738223U (en) * | 2012-09-09 | 2013-02-13 | 刘昭利 | Automatic dimming desk lamp |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734604A (en) * | 2015-03-26 | 2015-06-24 | 俭能科技（厦门）有限公司 | Power efficiency improving device |
| CN104734604B (en) * | 2015-03-26 | 2016-02-03 | 俭能科技（厦门）有限公司 | A kind of electric energy efficiency improves device |
| CN107249242A (en) * | 2015-07-06 | 2017-10-13 | 湖南工业大学 | A kind of single phase poaer supply line sends the device of LED brightness control signal |
| CN107249242B (en) * | 2015-07-06 | 2019-03-12 | 湖南工业大学 | A kind of single phase poaer supply line sends the device of LED light brightness control signal |
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Application publication date: 20141015 |