CN102595708B - Automatic induction and adjustable light-emitting diode (LED) lighting drive control system - Google Patents
Automatic induction and adjustable light-emitting diode (LED) lighting drive control system Download PDFInfo
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- CN102595708B CN102595708B CN201210009901.8A CN201210009901A CN102595708B CN 102595708 B CN102595708 B CN 102595708B CN 201210009901 A CN201210009901 A CN 201210009901A CN 102595708 B CN102595708 B CN 102595708B
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Abstract
The invention discloses an automatic induction and adjustable light-emitting diode (LED) lighting drive control system which comprises a plurality of offices and a lighting controller, wherein the lighting controller comprises a microcontroller, a human body infrared sensing circuit, a high-sensitive photosensitive circuit, a low-sensitive photosensitive circuit, first controlled lamp groups, second controlled lamp groups and a power supply circuit, wherein the high-sensitive photosensitive circuit is connected to a first input end of the microcontroller; the low-sensitive photosensitive circuit is connected to a second input end of the microcontroller; the human body infrared sensing circuit is connected to a third input end of the microcontroller; the first controlled lamp groups are connected to a first output end of the microcontroller; the second controlled lamp groups are connected to a second output end of the microcontroller; the power supply circuit supplies power to the first controlled lamp group, the second controlled lamp group and the microcontroller; and each office is provided with the first controlled lamp group and the second controlled lamp group. The automatic induction and adjustable LED lighting drive control system disclosed by the invention meets lighting requirements, and saves energy sources to a greatest extent. The automatic induction and adjustable LED lighting drive control system is simple in structure, low in cost, convenient in realization, sensitive in response, and stable and reliable in control procedures.
Description
[technical field]
The present invention relates to office lighting control field, especially can to office illumination lamp, carry out automatic induction, the adjustable LED illumination driving control system of energy-saving illumination, also can be described as automatic induction, adjustable LED office lighting driving control system.
[background technology]
Along with energy problem more and more causes people's attention, energy-conservationly become one side very important in production application, in office space, road both sides, public place etc. all need to throw light on, conventionally people wish with sunshine brightness variation and automatically open and turn-off, can meet the needs of illumination, can economize on electricity again, therefore, most places all can be according to office lighting controller.
Unlatching and shutoff that current office lighting controller is realized illuminating lamp mainly contain the means such as timing controlled, sound-controlled delay control and light sensation control.Timing controlled is generally to control according to the time at daytime and night, such as 6 unlatching illuminations at night, close illumination at 6 in the morning, this mode control ratio is more single, adaptability is not fine, sometimes daytime, it was very black, but was less than the time of setting, and illuminating lamp but can not opened automatically, unless opened manually, so just affected normal illumination, the sky in evening opening time of sometimes setting does not also have black, now opens and has caused again very large waste.It is automatically to open illumination after controller senses sound that sound-controlled delay is controlled, and automatically closes after time delay a period of time, and the use occasion that sound-controlled delay is controlled is relatively limited to, and generally can only, for places such as corridor, communal bathrooms, be not suitable for the places such as indoor office.It is to adopt photosensitive trigger module to gather light signal that light sensation is controlled, while not sensing illumination, photo resistance is high-impedance state, makes triode cut-off, after central processing unit judgement, make relay adhesive, realize illumination, sense after illumination, photo resistance is converted to the low resistive state below 30 Europe immediately, make triode conducting, after central processing unit judgement, relay is discharged, cut off mains lighting supply, save electric energy.
Although controlling, light sensation there is energy-conservation control effect,, the circuit of light sensation controller is too simple at present, the controller of office lighting especially, its control mode is single, has following many defects:
1. the sensitivity of light sensation is very poor, not obvious to electric current amplification effect, cause the opening and closing of illuminating lamp not in time, at controller, be judged to be while not needing to turn on light, user cannot make indoor environment reach the requirement of opening illumination at all, and cause working (and sound controller can make environment reach illumination unlatching requirement by clap hands, stamp one's foot etc., there is controllability), affected user's normal use, most users is held the suspicious attitude to the accuracy of controller, stability, be not even ready to use such controller.
2. all office lighting controllers all can only realize the operation of opening or cutting out, and cannot automatically regulate according to the power of light the power of illumination, as long as reach illumination adjustments, just all lightings are all opened, so just made energy-conservation effect be subject to very large impact.Although also there is the application case of light sensor at other field, but, the application circuit of light sensor is complicated, high cost, and its brightness meeting is along with the power of light constantly changes, and the adjusting of illumination is too frequent, and cause user to produce the sensation of flicker, affect normal office work, therefore, light sensor is not applicable to being used in working environment.
3. current office lighting controller is not considered the light difference of a plurality of varying environments at all, is all to adopt single daylighting point, make control accurate not, and unnecessary waste of energy is normally used or causes in impact.
4. current office lighting controller is not considered indoor and outdoor light difference at all, in weather anomaly, changeable in the situation that, still can cause very large waste, for example there is sky to be day by day covered with black clouds, brightness is inadequate, and controller can be controlled illuminating lamp and opens so, but soon cloud to open mist loose, weather clears up, now, the effect of illuminating lamp can have been ignored substantially, but owing to also having a small amount of mist in indoor environment, illuminating lamp but can not closed immediately automatically, has caused waste.
5. under the extreme weather of lightning, controller can think by mistake because of bright increase illumination enough close illuminating lamp, make user under thunder and lightning weather, cause larger fear (for example: office is external rains, light is darker, controller is controlled illuminating lamp and is opened, now a lightning streaks outside window, controller thinks that illumination is fine, just controlling illuminating lamp closes, thereby cause the panic and trouble of use), current all controllers are not all fully recognized that this problem, also cannot solve the problem under this extreme weather, make user distrust very much the stability of light sensation controller, and would rather select other controllers.
[summary of the invention]
Object of the present invention solves the problems of the prior art exactly, a kind of automatic induction, adjustable LED illumination driving control system are proposed, not only can improve sensitivity, the Stability and veracity of control, and can automatically regulate according to the power of light the power of illumination, can not affect normal office work because of the frequent variations of light again.
For achieving the above object, the present invention proposes a kind of automatic induction, adjustable LED illumination driving control system, comprise some offices and lighting controller, described lighting controller comprises microcontroller, human body infrared sensor circuit, highly sensitive photosensitive circuit, low sensitive photosensitive circuit, the first controlled lamp group, the second controlled lamp group and power circuit, described highly sensitive photosensitive circuit is connected to the first input end of microcontroller, low sensitive photosensitive circuit is connected to the second input of microcontroller, human body infrared sensor circuit is connected to the 3rd input of microcontroller, the first controlled lamp group is connected to the first output of microcontroller, the second controlled lamp group is connected to the second output of microcontroller, power circuit is given the first controlled lamp group, the second controlled lamp group and microcontroller power supply, the first controlled lamp group and the second controlled lamp group are all installed in each office.
As preferably, described highly sensitive photosensitive circuit comprises phototriode and amplifying triode, the base stage photoelectric current of described phototriode changes with the variation of intensity of illumination, the collector electrode of phototriode is connected to the base stage of amplifying triode, the collector electrode of amplifying triode is connected to the first input end of microcontroller, circuit is simple, highly sensitive, and controller response is rapid.
As preferably, described low sensitive photosensitive circuit comprises photo resistance and amplifying triode, the resistance of described photo resistance changes with the variation of intensity of illumination, photo resistance is connected to the base stage of amplifying triode, the collector electrode of amplifying triode is connected to the second input of microcontroller, light can be detected bright secretly in various degree, thereby realize, the strong and weak stepping of illumination be controlled.
As preferably, at least one highly sensitive photosensitive circuit and at least one low sensitive photosensitive circuit are all installed in each office, because the bright degree that is not each office is identical, so daylighting point is installed in each office, improved the accuracy of light sensation.
As preferably, two highly sensitive photosensitive circuits and two low sensitive photosensitive circuits are all installed in each office, a highly sensitive photosensitive circuit is arranged on easy daylighting place of office, another highly sensitive photosensitive circuit is arranged on difficult daylighting place of office, a low sensitive photosensitive circuit is arranged on easy daylighting place of office, another low sensitive photosensitive circuit is arranged on difficult daylighting place of office, because the bright degree of the different corners of same office is all not identical, so establish two daylighting points in office, improved the accuracy of light sensation.
As preferably, a highly sensitive photosensitive circuit and a low sensitive photosensitive circuit are also installed outside described office, this feature is for foggy days, if there is sky to be day by day covered with black clouds, brightness is inadequate, and lamp can have been opened so, but to open mist loose for cloud soon, weather clears up, and lamp can not closed automatically, causes equally very large waste.So we install a daylighting point again in office outside, when the difference of indoor and outdoor intensity narrows down to certain limit, we can think that the effect of illuminating lamp can ignore, and lamp will be closed automatically.
As preferably, also comprise timer, described timer is connected to microcontroller, adopts timer to carry out timing, makes luminance difference maintain certain hour and just can make lamp positive closing, to avoid the misoperation under thunder and lightning weather.
As preferably, described human body infrared sensor circuit adopts DM7616 chip, and inductive effects is good, and cost is low.
As preferably, described power circuit comprises fusible link, rectification module and filtration module, has improved stability and the fail safe of whole control.
As preferably, described the first controlled lamp group and the second controlled lamp group all adopt LED light source, good illumination effect, energy-conserving and environment-protective.
Beneficial effect of the present invention: light sensation of the present invention highly sensitive, the opening and closing of controlling illuminating lamp more in time, more accurate, can divide strong and weak two grades to open lighting, neither can affect normal office work because of the frequent variations of light, meet normal need of work, can farthest reduce energy consumption again.This practicality is simple in structure, and cost is low, and it is convenient to realize, and is quick on the draw, and control procedure is stable, reliable.
Feature of the present invention and advantage will be elaborated by reference to the accompanying drawings by embodiment.
[accompanying drawing explanation]
Fig. 1 is that the present invention responds to automatically, the circuit block diagram of adjustable LED illumination driving control system;
Fig. 2 is that the present invention responds to automatically, the circuit theory diagrams of adjustable LED illumination driving control system.
[embodiment]
Consult Fig. 1, automatically induction, adjustable LED illumination driving control system, comprise some offices 9 (Tu Zhong position is only done to illustrate) and lighting controller, described lighting controller comprises microcontroller 1, human body infrared sensor circuit 2, highly sensitive photosensitive circuit 3, low sensitive photosensitive circuit 4, the first controlled lamp group 5, the second controlled lamp group 6 and power circuit 7, described highly sensitive photosensitive circuit 3 is connected to the first input end of microcontroller 1, low sensitive photosensitive circuit 4 is connected to the second input of microcontroller 1, human body infrared sensor circuit 2 is connected to the 3rd input of microcontroller 1, the first controlled lamp group 5 is connected to the first output of microcontroller 1, the second controlled lamp group 6 is connected to the second output of microcontroller 1, power circuit 7 is given the first controlled lamp group 5, the second controlled lamp group 6 and microcontroller 1 power supply, interior the first controlled lamp group 5 and the second controlled lamp group 6 of being all provided with of each office 9.Described human body infrared sensor circuit 2 adopts DM7616 chip, and inductive effects is good, and cost is low.Described power circuit 7 comprises fusible link, rectification module and filtration module, has improved stability and the fail safe of whole control.Described the first controlled lamp group 5 and the second controlled lamp group 6 all adopt LED light source, good illumination effect, energy-conserving and environment-protective.
Described highly sensitive photosensitive circuit 3 comprises phototriode and amplifying triode, the base stage photoelectric current of described phototriode changes with the variation of intensity of illumination, the collector electrode of phototriode is connected to the base stage of amplifying triode, and the collector electrode of amplifying triode is connected to the first input end of microcontroller 1.Phototriode itself has the amplification to electric current, and output current is larger, compare with photo-resistor have highly sensitive, high frequency performance good, the advantage such as good reliability, volume are little, easy to use; Amplifying triode is amplified current further.In the situation that light is darker, just induction information can be passed to microprocessor, by microprocessor, open in time the first controlled lamp group 5, in time working environment is thrown light on, and saved the energy to a certain extent.
Described low sensitive photosensitive circuit 4 comprises photo resistance and amplifying triode, the resistance of described photo resistance changes with the variation of intensity of illumination, photo resistance is connected to the base stage of amplifying triode, the collector electrode of amplifying triode is connected to the second input of microcontroller 1, in the situation that light is very dark, photo resistance can sense relevant information, and passes in time microprocessor, by microprocessor, control and open the second controlled lamp group 6, the illumination in time working environment being become clear more.
Interior at least one highly sensitive photosensitive circuit 3 and at least one the low sensitive photosensitive circuit 4 of being all provided with of each office 9.Choosing of daylighting point is a key, because be not that the bright degree of each office 9 is identical, so adopt multidraw to reach this requirement.For example in a plurality of offices 9, all lay phototriode, we can arrange, if their whole or most of brightness is all very high, so, lamp just cannot normally start, and reaches the object of energy savings.
Interior two highly sensitive photosensitive circuits 3 and two the low sensitive photosensitive circuits 4 of being all provided with of each office 9, a highly sensitive photosensitive circuit 3 is arranged on easy daylighting place of office 9, another highly sensitive photosensitive circuit 3 is arranged on difficult daylighting place of office 9, a low sensitive photosensitive circuit 4 is arranged on easy daylighting place of office 9, another low sensitive photosensitive circuit 4 is arranged on difficult daylighting place of office 9, because the bright degree of the different corners of same office 9 is all not identical, so establish two daylighting points in office 9, improved the accuracy of light sensation.
An outer highly sensitive photosensitive circuit 3 and the low sensitive photosensitive circuit 4 of being also provided with of described office 9, when the difference of indoor and outdoor intensity narrows down to certain limit, we can think that the effect of illuminating lamp can ignore, lamp will be closed automatically, this is mainly for foggy days, for example: if there is sky to be day by day covered with black clouds, brightness is inadequate, and lamp can have been opened so.But to open mist loose for cloud soon, and weather clears up, and lamp can not closed automatically, has caused very large waste, the problems referred to above have just been solved well after adopting this daylighting point.
Also comprise timer 8, described timer 8 is connected to microcontroller 1, adopts timer 8 to carry out timing, makes luminance difference maintain certain hour and just can make lamp positive closing, to avoid the misoperation under thunder and lightning weather.For example: office 9 outsides are just rainy, office's 9 the inside lamp light yellows, now a lightning outside window, makes outside very bright, and lamp has just been closed, this can cause user's fear, cause trouble, adopt this timer 8 can effectively avoid this problem, the timer 8 of installing in circuit, clocking information is passed to microprocessor, and microprocessor control luminance difference maintains certain hour just can make lamp positive closing.
Consult Fig. 2, adopt 8 pin DIP or SMD encapsulation, current limit and the thermal-shutdown circuit of the integrated power MOSFET of a 700V, oscillator, simple ON/OFF control circuit, high-voltage switch gear current source, frequency modulation(FM), Cycle by Cycle.Device is directly provided by the voltage of drain lead in the power consumption of startup and duration of work, therefore in BUCK and flyback converter, can save the interlock circuit of biasing power supply.The moving circuit of fully-integrated autoboot, under the failure condition of short circuit, open loop, has limited power output safely, has reduced the number of components and parts, has reduced at the system-level cost for load protection circuit.If necessary, the operation of the self-powered of IC allows to use does not have the optical coupler of safety requirement as level conversion, to improve input voltage regulation and load regulation.Have feedback (sensing and logic) circuit, 5.8V pressurizer, bypass pin (BP end) under voltage comparator, thermal-shutdown circuit, frequency is trembled and current limit circuit and lead-edge-blanking circuit etc.Phototriode (Phototransistor) is similar with common triode, also has electric current (Current) amplification, and just its collector current is not just subject to base circuit and Current Control, is also subject to the control of light radiation simultaneously.When thering is the PN junction of light sensitive characteristic and be subject to light radiation, form photoelectric current, consequent photogenerated current enters emitter by base stage, thereby obtain one in collector loop, has amplified and is equivalent to β signal code doubly.The phototriode that different materials is made has different spectral characteristics, compares with photodiode, photo resistance, has very large photoelectric current amplification effect, i.e. very high sensitivity.
The present invention is divided into strong, weak two grades to houselights, and in the situation that light is stronger, the controlled lamp group 6 of the first controlled lamp group 5, second is all closed, and does not assist in illumination; In the situation that light is weak, the first controlled lamp group 5 is opened, and the second controlled lamp group 6 is closed, and carries out a small amount of floor light; In the situation that light is very weak, the controlled lamp group 6 of the first controlled lamp group 5, second is all opened, and carries out a large amount of floor lights, and room lighting mainly relies on Lighting Control Assembly.This scheme is light sensation highly sensitive not only, the opening and closing of controlling illuminating lamp more in time, more accurate, and can not affect normal office work because of the frequent variations of light, meet normal need of work, can farthest reduce energy consumption again, reach larger energy-saving effect.
Its operation principle of light-controlled switching circuit of the control output that the MCU of take is core parts is: the change in resistance due to phototriode, photo resistance when illumination drops to settings excites conducting, the saltus step that MCU detects respectively PHOTO1 signal and PHOTO2 signal makes system works, realizes the control to external circuit.When ambient light dies down, the base stage photoelectric current that causes phototriode PD1 reduces, phototriode PD1 cut-off, triode Q2, Q3 conducting, making PHOTO1 saltus step is high level, MCU (microcontroller 1) detects while being input as high level, adjust the 5th pin PD0 and become high level, after triode Q1 conducting, making LED1, LED3 current potential is low level, makes the LED1 of the first controlled lamp group 5, LED3 conducting luminous, realizes illumination; If light further dies down, cause that photo resistance R29 resistance increases, making PHOTO2 saltus step is high level, MCU (microcontroller 1) detects while being input as high level, adjust the 9th pin PD2 and become low level, making LED2 current potential is low level, makes the LED2 conducting of the second controlled lamp group 6 luminous, realizes stronger illumination; Otherwise if light around brightens, the photoelectric current of phototriode PD1 base stage increases, triode Q2, Q3 cut-off, PHOTO1 is low level, MCU (microcontroller 1) is adjusted into low level by the 5th pin PD0, makes LED1, the LED3 can conducting, realizes the brilliance control of light; After light when around further brightens, cause that photo resistance resistance reduces, making PHOTO2 saltus step is low level, and MCU (microcontroller 1) is adjusted into high level by the 9th pin, makes the LED2 also can conducting, and two groups of lamps are all closed, and reaches energy-saving effect.
Above-described embodiment is to explanation of the present invention, is not limitation of the invention, any scheme after simple transformation of the present invention is all belonged to protection scope of the present invention.
Claims (10)
1. induction automatically, adjustable LED illumination driving control system, it is characterized in that: comprise some offices and lighting controller, described lighting controller comprises microcontroller, human body infrared sensor circuit, highly sensitive photosensitive circuit, low sensitive photosensitive circuit, the first controlled lamp group, the second controlled lamp group and power circuit, described highly sensitive photosensitive circuit is connected to the first input end of microcontroller, low sensitive photosensitive circuit is connected to the second input of microcontroller, human body infrared sensor circuit is connected to the 3rd input of microcontroller, the first controlled lamp group is connected to the first output of microcontroller, the second controlled lamp group is connected to the second output of microcontroller, power circuit is given the first controlled lamp group, the second controlled lamp group and microcontroller power supply, the first controlled lamp group and the second controlled lamp group are all installed in each office.
2. automatic induction as claimed in claim 1, adjustable LED illumination driving control system, it is characterized in that: described highly sensitive photosensitive circuit comprises phototriode and amplifying triode, the base stage photoelectric current of described phototriode changes with the variation of intensity of illumination, the collector electrode of phototriode is connected to the base stage of amplifying triode, and the collector electrode of amplifying triode is connected to the first input end of microcontroller.
3. automatic induction as claimed in claim 1, adjustable LED illumination driving control system, it is characterized in that: described low sensitive photosensitive circuit comprises photo resistance and amplifying triode, the resistance of described photo resistance changes with the variation of intensity of illumination, photo resistance is connected to the base stage of amplifying triode, and the collector electrode of amplifying triode is connected to the second input of microcontroller.
4. induction automatically as claimed any one in claims 1 to 3, adjustable LED illumination driving control system, is characterized in that: at least one highly sensitive photosensitive circuit and at least one low sensitive photosensitive circuit are all installed in each office.
5. automatic induction as claimed in claim 4, adjustable LED illumination driving control system, it is characterized in that: two highly sensitive photosensitive circuits and two low sensitive photosensitive circuits are all installed in each office, a highly sensitive photosensitive circuit is arranged on easy daylighting place of office, another highly sensitive photosensitive circuit is arranged on difficult daylighting place of office, a low sensitive photosensitive circuit is arranged on easy daylighting place of office, and another low sensitive photosensitive circuit is arranged on difficult daylighting place of office.
6. automatic induction as claimed in claim 5, adjustable LED illumination driving control system, is characterized in that: a highly sensitive photosensitive circuit and a low sensitive photosensitive circuit are also installed outside described office.
7. automatic induction as claimed in claim 6, adjustable LED illumination driving control system, is characterized in that: also comprise timer, described timer is connected to microcontroller.
8. automatic induction as claimed in claim 1, adjustable LED illumination driving control system, is characterized in that: described human body infrared sensor circuit adopts DM7616 chip.
9. automatic induction as claimed in claim 1, adjustable LED illumination driving control system, is characterized in that: described power circuit comprises fusible link, rectification module and filtration module.
10. induction automatically as claimed any one in claims 1 to 3, adjustable LED illumination driving control system, is characterized in that: described the first controlled lamp group and the second controlled lamp group all adopt LED light source.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210009901.8A CN102595708B (en) | 2012-01-13 | 2012-01-13 | Automatic induction and adjustable light-emitting diode (LED) lighting drive control system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210009901.8A CN102595708B (en) | 2012-01-13 | 2012-01-13 | Automatic induction and adjustable light-emitting diode (LED) lighting drive control system |
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| CN102595708A CN102595708A (en) | 2012-07-18 |
| CN102595708B true CN102595708B (en) | 2014-01-15 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103440832A (en) * | 2013-09-06 | 2013-12-11 | 三电有限公司 | LED (light emitting diode) road indication board |
| CN105249788B (en) * | 2015-11-18 | 2018-04-03 | 杭州奇峰电动窗饰有限公司 | A kind of blind system closed up automatically |
| CN105286468B (en) * | 2015-11-18 | 2018-03-27 | 黄成� | A kind of intelligent curtain system of adjustable shading effect |
| CN105380492B (en) * | 2015-11-18 | 2018-03-27 | 黄成� | A kind of intelligent curtain system |
| CN105342327B (en) * | 2015-11-18 | 2018-03-27 | 黄成� | A kind of intelligent curtain system for taking into account ventilation and shaded effect |
| CN105342326B (en) * | 2015-11-18 | 2018-08-03 | 黄成� | A kind of intelligent curtain system divulged information |
| CN105530723A (en) * | 2016-01-06 | 2016-04-27 | 刘胜泉 | Lamp control device with timing-startup intelligent energy-saving mode and operation method for lamp control device |
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| CN101160003A (en) * | 2006-10-08 | 2008-04-09 | 王遂柱 | Method of improving performance of human body infrared detector |
| CN201303451Y (en) * | 2008-11-20 | 2009-09-02 | 陈兴文 | Lighting energy-saving controller for classroom |
| CN202488809U (en) * | 2012-01-13 | 2012-10-10 | 长兴泛亚照明电器有限公司 | Auto-induction adjustable light-emitting diode (LED) lighting drive controlling system |
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Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101160003A (en) * | 2006-10-08 | 2008-04-09 | 王遂柱 | Method of improving performance of human body infrared detector |
| CN201303451Y (en) * | 2008-11-20 | 2009-09-02 | 陈兴文 | Lighting energy-saving controller for classroom |
| CN202488809U (en) * | 2012-01-13 | 2012-10-10 | 长兴泛亚照明电器有限公司 | Auto-induction adjustable light-emitting diode (LED) lighting drive controlling system |
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Effective date of registration: 20210707 Address after: 313000 Huaxi Street Xinxing Industrial Park, Changxing County, Huzhou City, Zhejiang Province Patentee after: Changxing Pan Asia Intelligent Lighting Co.,Ltd. Address before: 313100 new industrial park, pheasant Town, Huzhou, Zhejiang, Changxing County Patentee before: CHANGXING FANYA LIGHTING TECHNOLOGY Co.,Ltd. |
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Granted publication date: 20140115 Termination date: 20220113 |