CN104640287A - Light control circuit and lamp - Google Patents
Light control circuit and lamp Download PDFInfo
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- CN104640287A CN104640287A CN201310562551.2A CN201310562551A CN104640287A CN 104640287 A CN104640287 A CN 104640287A CN 201310562551 A CN201310562551 A CN 201310562551A CN 104640287 A CN104640287 A CN 104640287A
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Abstract
An embodiment of the invention discloses a light control circuit and a lamp. The light control circuit comprises a light control module, a transforming rectifying module and a lighting control module. The input end of the light control module is connected with the output end of the transforming rectifying module. The output end of the light control module is connected with the control end of the lighting control module. The input end of the transforming rectifying module is connected with the input end of the lighting control module. The input end of the transforming rectifying module is used for connection with an AC power supply. The light control circuit and the lamp have the advantages that the lamp can be automatically controlled to run or not according to intensity of external light, energy saving is good, the structure is simple and the cost is low.
Description
Technical field
The present invention relates to electronic circuit technology field, be specifically related to a kind of light-operated circuit and light fixture.
Background technology
Electric energy and our life closely bound up, and be widely used in the every field such as power, illumination, metallurgy, chemistry, weaving, communication and broadcast, especially at lighting field.Along with the development of economy and the rapid advances of society, various lighting circuit is widely used in the middle of the live and work of people, meanwhile, people also progressively recognize the importance of saves energy, usually adopt sound control circuit to control lighting circuit for this reason, but sound control circuit is very responsive to sound, extraneous sound or the sound that thunders of blowing a whistle all likely makes lighting work, thus cannot arrive good energy-saving effect.
Summary of the invention
Technical problem to be solved by this invention is to provide a kind of light-operated circuit and light fixture, cannot reach the problem of good energy-saving effect for solving existing lighting circuit.
In order to solve the problems of the technologies described above, the invention provides a kind of light-operated circuit, this circuit comprises control module, Transformer Rectifier module and lighting control module, wherein:
The input of described control module connects the output of described Transformer Rectifier module, the output of described control module connects the control end of described lighting control module, the input of described Transformer Rectifier module connects the input of described lighting control module, and the input of described Transformer Rectifier module is for connecting AC power; The voltage-regulation that described control module is used for described Transformer Rectifier module to export is the control voltage whether worked for controlling described lighting control module, and described Transformer Rectifier module is used for the alternating voltage that described AC power exports is carried out to Transformer Rectifier and the voltage after Transformer Rectifier is exported to described control module.
Wherein, described control module comprises:
First resistance, the second resistance, photo resistance, voltage stabilizing didoe, comparator and the 3rd resistance, the sliding end of described first resistance connects the first output of described Transformer Rectifier module respectively, the first end of described first resistance and one end of described second resistance, second end of described first resistance connects one end of described photo resistance and the in-phase input end of described comparator respectively, the inverting input of described comparator connects the other end of described second resistance and the negative electrode of described voltage stabilizing didoe respectively, the output of described comparator connects described one end of 3rd resistance and the control end of described lighting control module respectively, the other end of described photo resistance connects the second output of described Transformer Rectifier module respectively, the anode of described voltage stabilizing didoe and the other end of described 3rd resistance, described first resistance is adjustable resistance.
Wherein, described Transformer Rectifier module comprises transformer and rectifier bridge; The two ends of the auxiliary winding of described transformer connect two voltage input ends of described rectifier bridge, the positive output end of described rectifier bridge connects the sliding end of described first resistance, the negative output terminal of described rectifier bridge connects the other end of described photo resistance, and the two ends of the former winding of described transformer are for connecting described AC power.
Wherein, described lighting control module comprises the 4th resistance, triode, illuminating lamp, relay and relay contact; One end of described 4th resistance connects the output of described comparator, the other end of described 4th resistance connects the base stage of described triode, the emitter of described triode connects the other end of described 3rd resistance, the collector electrode of described triode connects one end of described relay coil, the other end of described relay coil connects one end of described second resistance, one end of described relay contact connects one end of described illuminating lamp, and the other end of described illuminating lamp and the other end of described relay contact connect the two ends of described transformer primary winding.
Wherein, described control module also comprises light-emitting diode; The anode of described light-emitting diode connects the other end of described 3rd resistance, and the negative electrode of described light-emitting diode connects the anode of described voltage stabilizing didoe and the emitter of described triode respectively.
Wherein, described Transformer Rectifier module also comprises filter capacitor; The anode of described filter capacitor connects the positive output end of described rectifier bridge and the sliding end of described first resistance respectively, and the negative electrode of described filter capacitor connects the negative output terminal of described rectifier bridge and the other end of described photo resistance respectively.
Wherein, described triode is NPN type triode.
Wherein, described relay contact is dynamic circuit connector type contact.
Correspondingly, present invention also offers a kind of light fixture, comprise above-mentioned light-operated circuit.
Implement the present invention, there is following beneficial effect:
Whether light-operated circuit of the present invention can control lighting control module automatically according to the power of extraneous intensity of illumination and work, thus reaches good energy-saving effect, and structure is simple, with low cost.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the embodiment of the present invention, be briefly described to the accompanying drawing used required in embodiment below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the structural representation of a kind of light-operated circuit disclosed in the embodiment of the present invention;
Fig. 2 is the circuit theory diagrams of a kind of light-operated circuit disclosed in the embodiment of the present invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Refer to Fig. 1, Fig. 1 is the structural representation of a kind of light-operated circuit disclosed in the embodiment of the present invention.As shown in Figure 1, this light-operated circuit 100 comprises control module 101, Transformer Rectifier module 102 and lighting control module 103, wherein:
The input of control module 101 connects the output of Transformer Rectifier module 102, the output of control module 101 connects the control end of lighting control module 103, the input of Transformer Rectifier module 102 connects the input of lighting control module 103, and the input of Transformer Rectifier module 102 is for connecting AC power; Control module 101 is the control voltage whether worked for controlling lighting control module 103 for voltage-regulation Transformer Rectifier module 102 exported, and Transformer Rectifier module 102 is carried out Transformer Rectifier for the alternating voltage exported AC power and the voltage after Transformer Rectifier is exported to control module 101.
In the embodiment of the present invention, the alternating voltage that AC power exports is carried out transformation and rectification by Transformer Rectifier module 102, and the voltage after Transformer Rectifier is exported to control module 101, control module 101 according to extraneous intensity of illumination not in the same way lighting control module 103 export different voltage, thus control lighting control module 103 whether work.Visible, whether the enforcement embodiment of the present invention can control lighting control module automatically according to the power of extraneous intensity of illumination and work, thus reaches good energy-saving effect, and structure is simple, with low cost.
Refer to Fig. 2, Fig. 2 is the circuit theory diagrams of a kind of light-operated circuit disclosed in the embodiment of the present invention.As shown in Figure 2, this light-operated circuit 200 comprises control module 201, Transformer Rectifier module 202 and lighting control module 203, wherein:
The input of control module 201 connects the output of Transformer Rectifier module 202, the output of control module 201 connects the control end of lighting control module 203, the input of Transformer Rectifier module 202 connects the input of lighting control module 203, and the input of Transformer Rectifier module 202 is for connecting AC power; Control module 201 is the control voltage whether worked for controlling lighting control module 203 for voltage-regulation Transformer Rectifier module 202 exported, and Transformer Rectifier module 202 is carried out Transformer Rectifier for the alternating voltage exported AC power and the voltage after Transformer Rectifier is exported to control module 201.
As the optional execution mode of one, control module 201 can comprise the first resistance R1, the second resistance R2, photo resistance RG, voltage stabilizing didoe ZD1, comparator U1 and the 3rd resistance R3, wherein:
The sliding end of the first resistance R1 connects the first output of Transformer Rectifier module 202 respectively, the first end of the first resistance R1 and one end of the second resistance R2, second end of the first resistance R1 connects one end of photo resistance RG and the in-phase input end of comparator U1 respectively, the inverting input of comparator U1 connects the other end of the second resistance R2 and the negative electrode of voltage stabilizing didoe ZD1 respectively, the output of comparator U1 connects one end of the 3rd resistance R3 and the control end of lighting control module 203 respectively, the other end of photo resistance RG connects the second output of Transformer Rectifier module 202 respectively, the anode of voltage stabilizing didoe ZD1 and the other end of the 3rd resistance R3, first resistance R1 is adjustable resistance.
As the optional execution mode of one, Transformer Rectifier module 202 can comprise transformer T1 and rectifier bridge BD, wherein:
The two ends of the auxiliary winding of transformer T1 connect two voltage input ends (1 and 3) of rectifier bridge BD, the positive output end 2 of rectifier bridge BD connects the sliding end of the first resistance R1, the negative output terminal 4 of rectifier bridge BD connects the other end of photo resistance RG, and the two ends of the former winding of transformer T1 are for connecting AC power.
As the optional execution mode of one, lighting control module 203 can comprise the 4th resistance R4, triode Q1, illuminating lamp LAMP, relay K and relay contact K-1, wherein:
One end of 4th resistance R4 connects the output of comparator U1, the base stage of the other end connecting triode Q1 of the 4th resistance R4, the emitter of triode Q1 connects the other end of the 3rd resistance R3, one end of the collector connection relay K coil of triode Q1, the other end of relay K coil connects one end of the second resistance R2, one end of relay contact K-1 connects one end of illuminating lamp LAMP, the two ends of the other end of illuminating lamp LAMP and the former winding of other end connection transformer T1 of relay contact K-1.
Preferred further, control module 201 can also comprise LED, wherein the anode of LED connects the other end of the 3rd resistance R3, and the negative electrode of LED connects the anode of voltage stabilizing didoe ZD1 and the emitter of triode Q1 respectively.In the embodiment of the present invention, the level that the output that LED can be used for detection comparator U1 exports is high level or low level, and can also be used to testing circuit normally work.
Preferred further, Transformer Rectifier module 202 can also comprise filter capacitor C1, wherein the anode of filter capacitor C1 connects the positive output end 2 of rectifier bridge BD and the sliding end of the first resistance R1 respectively, and the negative electrode of filter capacitor C1 connects the negative output terminal of rectifier bridge BD and the other end of photo resistance RG respectively.In the embodiment of the present invention, filter capacitor C1 can be used for filtering clutter, improves the reliability of circuit.
Wherein, triode Q1 can be NPN type triode.
Wherein, relay contact K-1 can be dynamic circuit connector type contact.
The operation principle of the light-operated circuit 200 in the embodiment of the present invention is as follows:
In the embodiment of the present invention, 220V alternating voltage is after the transformation of transformer T1 and the rectification of rectifier bridge BD, then after the filtering of electric capacity C1 after filtering, filter capacitor C1 two ends obtain required voltage.When extraneous intensity of illumination is stronger, the resistance of photo resistance RG is smaller, be equivalent to short circuit in circuit, make the voltage of the in-phase input end of comparator U1 lower than the voltage of the inverting input of comparator U1, the output output low level of comparator U1, triode Q1 is ended, and relay K does not work, relay contact K-1 is disconnected, and illuminating lamp LAMP extinguishes; When extraneous intensity of illumination weakens gradually, the resistance of photo resistance RG becomes large, be equivalent to open circuit in circuit, make the voltage of the in-phase input end of comparator U1 higher than the voltage of the inverting input of comparator U1, the output of comparator U1 exports high level, and make triode Q1 conducting, relay K obtains electric work, relay contact K-1 is closed, illuminating lamp LAMP luminous lighting.
Accordingly, the embodiment of the invention also discloses a kind of light fixture, this light fixture comprises above-mentioned light-operated circuit.
Visible, implement the embodiment of the present invention can control illuminating lamp automatically light on and off according to the power of extraneous intensity of illumination, thus reach good energy-saving effect, and structure is simple, with low cost.
A kind of light-operated circuit provided the embodiment of the present invention above and light fixture are described in detail, apply instantiation herein to set forth principle of the present invention and execution mode, the explanation of above embodiment just understands method of the present invention and core concept thereof for helping; Meanwhile, for one of ordinary skill in the art, according to thought of the present invention, all will change in specific embodiments and applications, in sum, this description should not be construed as limitation of the present invention.
Claims (9)
1. a light-operated circuit, is characterized in that, comprising:
Control module, Transformer Rectifier module and lighting control module, wherein:
The input of described control module connects the output of described Transformer Rectifier module, the output of described control module connects the control end of described lighting control module, the input of described Transformer Rectifier module connects the input of described lighting control module, and the input of described Transformer Rectifier module is for connecting AC power; The voltage-regulation that described control module is used for described Transformer Rectifier module to export is the control voltage whether worked for controlling described lighting control module, and described Transformer Rectifier module is used for the alternating voltage that described AC power exports is carried out to Transformer Rectifier and the voltage after Transformer Rectifier is exported to described control module.
2. circuit as claimed in claim 1, it is characterized in that, described control module comprises:
First resistance, the second resistance, photo resistance, voltage stabilizing didoe, comparator and the 3rd resistance, wherein:
The sliding end of described first resistance connects the first output of described Transformer Rectifier module respectively, the first end of described first resistance and one end of described second resistance, second end of described first resistance connects one end of described photo resistance and the in-phase input end of described comparator respectively, the inverting input of described comparator connects the other end of described second resistance and the negative electrode of described voltage stabilizing didoe respectively, the output of described comparator connects described one end of 3rd resistance and the control end of described lighting control module respectively, the other end of described photo resistance connects the second output of described Transformer Rectifier module respectively, the anode of described voltage stabilizing didoe and the other end of described 3rd resistance, described first resistance is adjustable resistance.
3. circuit as claimed in claim 2, it is characterized in that, described Transformer Rectifier module comprises:
Transformer and rectifier bridge, wherein:
The two ends of the auxiliary winding of described transformer connect two voltage input ends of described rectifier bridge, the positive output end of described rectifier bridge connects the sliding end of described first resistance, the negative output terminal of described rectifier bridge connects the other end of described photo resistance, and the two ends of the former winding of described transformer are for connecting described AC power.
4. circuit as claimed in claim 3, it is characterized in that, described lighting control module comprises:
4th resistance, triode, illuminating lamp, relay and relay contact, wherein:
One end of described 4th resistance connects the output of described comparator, the other end of described 4th resistance connects the base stage of described triode, the emitter of described triode connects the other end of described 3rd resistance, the collector electrode of described triode connects one end of described relay coil, the other end of described relay coil connects one end of described second resistance, one end of described relay contact connects one end of described illuminating lamp, and the other end of described illuminating lamp and the other end of described relay contact connect the two ends of described transformer primary winding.
5. circuit as claimed in claim 4, it is characterized in that, described control module also comprises light-emitting diode, wherein:
The anode of described light-emitting diode connects the other end of described 3rd resistance, and the negative electrode of described light-emitting diode connects the anode of described voltage stabilizing didoe and the emitter of described triode respectively.
6. circuit as claimed in claim 5, it is characterized in that, described Transformer Rectifier module also comprises filter capacitor, wherein:
The anode of described filter capacitor connects the positive output end of described rectifier bridge and the sliding end of described first resistance respectively, and the negative electrode of described filter capacitor connects the negative output terminal of described rectifier bridge and the other end of described photo resistance respectively.
7. circuit as claimed in claim 5, it is characterized in that, described triode is NPN type triode.
8. circuit as claimed in claim 4, it is characterized in that, described relay contact is dynamic circuit connector type contact.
9. a light fixture, is characterized in that, comprises the light-operated circuit described in any one of claim 1 ~ 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562551.2A CN104640287A (en) | 2013-11-13 | 2013-11-13 | Light control circuit and lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310562551.2A CN104640287A (en) | 2013-11-13 | 2013-11-13 | Light control circuit and lamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104640287A true CN104640287A (en) | 2015-05-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310562551.2A Pending CN104640287A (en) | 2013-11-13 | 2013-11-13 | Light control circuit and lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104640287A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430849A (en) * | 2015-12-31 | 2016-03-23 | 天津市光影图腾科技有限公司 | Light-operated automatic switch of solar decorative lamp |
| CN106385736A (en) * | 2016-11-18 | 2017-02-08 | 广西大学 | Emergency lighting management system based on smart light control technology |
| CN113316288A (en) * | 2021-07-30 | 2021-08-27 | 深圳市森皓伟业制冷设备有限公司 | Electronic switch based on photosensitive element |
-
2013
- 2013-11-13 CN CN201310562551.2A patent/CN104640287A/en active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105430849A (en) * | 2015-12-31 | 2016-03-23 | 天津市光影图腾科技有限公司 | Light-operated automatic switch of solar decorative lamp |
| CN106385736A (en) * | 2016-11-18 | 2017-02-08 | 广西大学 | Emergency lighting management system based on smart light control technology |
| CN113316288A (en) * | 2021-07-30 | 2021-08-27 | 深圳市森皓伟业制冷设备有限公司 | Electronic switch based on photosensitive element |
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| PB01 | Publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150520 |
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| WD01 | Invention patent application deemed withdrawn after publication |