CN101102630A

CN101102630A - Intelligent light time controller and control method for outdoor spotlight

Info

Publication number: CN101102630A
Application number: CNA2006100986054A
Authority: CN
Inventors: 陈汉湘; 金林忠
Original assignee: Individual
Current assignee: Individual
Priority date: 2006-07-07
Filing date: 2006-07-07
Publication date: 2008-01-09
Anticipated expiration: 2026-07-07
Also published as: CN101102630B

Abstract

The controlling device thereof comprise a live wire connector, a earth wire connector, a load current outputting end, a power circuit, a brightness sampling circuit, a setting circuit, a zero-cross sampling circuit, a single-board and a controllable silicon output circuit. The method thereof comprises: the single board processes the brightness signal and compares the brightness value with a pre-set value; if the brightness value is higher than the pre-set value, then it is confirmed to be at daytime; not providing power for the load; if the brightness is less than the pre-set value, it is confirmed to be at night time; starting up the night main control program to control controllable silicon output circuit to provide 100% power supply for the load; when reaching a energy-saving time, the controllable silicon output circuit is controlled to provide a certain percentage power supply for the load.

Description

Outdoor illumination intelligence light time controller and control method thereof

Technical field

The present invention relates to a kind of outdoor lighting control device and control method thereof, belong to the control technology field.

Background technology

Outdoor illumination mainly contains street lamp, garden lamp and Landscape Lamp etc., and adopting power usually is high-pressure sodium lamp, high-pressure mercury lamp or the incandescent lamp etc. of 25W to 75W.Street lamp is that the people that go on a journey night have brought convenience, but lighting mains in the second half of the night the time since power and electric consumption on lighting load reduce, its voltage is compared with the voltage of the first half of the night and is had bigger rising, the general rated voltage that all will exceed street lamp, this can increase the actual power of street lamp on the one hand, the waste electric power resource; On the other hand, because voltage exceeds the rated voltage of street lamp, electric current is bigger, influences street lamp useful life, and burns out street lamp easily.The controller for road lamp that is used for street lamp control traditionally mainly contains common light-operated controller for road lamp and common time-controlled type controller for road lamp.

Common light-operated controller for road lamp is made up of light-sensitive element, threshold circuit and output mechanism, can only reach on function by setting the function that brightness is switched on or switched off circuit, not have timing, energy-conservation function; Be subjected to the influence of extraneous thunder and lightning or car bulb easily simultaneously and produce misoperation.

Common time-controlled type controller for road lamp, though can realize time opening and close street lamp, because the different natural environmental conditions of Various Seasonal, different regions, the time demand that street lamp is opened and closed is different, so just need adjust at set intervals, quite trouble to its opening and closing time; Common in addition time-controlled type controller for road lamp does not have energy-conservation function yet.

In order to economize on electricity, in the power saving scheme that street lighting adopts at present, having a kind of is to turn off the part street lamp after midnight, as " every the small cup light on method " and part circuit light-off method, still exist because voltage exceeds the rated voltage of street lamp every the small cup light on method, electric current is bigger, influences street lamp useful life, and burns out the street lamp shortcoming easily; And cause the phenomenon appearance that place under the bright lamp is very bright, the place down of turning off the light is very dark, cause the uniformity of road lighting relatively poor.

At present, be accompanied by the appearance and the development of new technology, people also design multiple practical more controller for road lamp street lamp are efficiently controlled, and the main means that it adopted are exactly with the master control unit of single-chip microcomputer as controller for road lamp.

Chinese patent application 95239714.5 discloses a kind of light-operated controller for road lamp of free constraint.Have single-chip microcomputer, luminance signal sample circuit, current signal sampling circuit, executive circuit and direct current backup battery.The luminance signal sample circuit is a light sensor.Store in the single-chip microcomputer calendar and analysis are arranged, calculating, processing, determining program, wherein also have the corresponding lighting time of Various Seasonal.When the resistance that detects light sensor when single-chip microcomputer arrives certain numerical value, contrast the lighting time of this season again, if the closing of contact of all eligible relay that then sends the commands for controlling executive circuit and to street lamp power supply, road lamp power supply.Because be provided with backup battery, can before dispatching from the factory, promptly finish setting to time standard, also, stand-by power supply make time standard constant even in use have a power failure because being arranged.Though sort controller is considered the difference in season, can prolong or shorten the bright time of lamp, can not when the time after midnight, line voltage was higher, adjust, thus not only the useful life of street lamp shorter, and power savings is not fairly obvious.

Chinese patent application 98206327.X discloses a kind of time-controlled type controller for road lamp.This device has casing, power circuit, single-chip microcomputer, zero current detection circuit, thyristor phase shifting angle control triggering electric circuit etc.This application is pointed out: this device can be at the situation of 23 line voltage risings later on, vehicle flowrate and pedestrians' minimizing; timer timing program by quartz (controlled) oscillator and CPU inside begins to carry out progressively step-down program; thereby not only saved electric energy; simultaneously also protect circuit not to be subjected to high voltage to influence its useful life, re-executed said process in second day.This application is not mentioned the setting problem of time standard, and according to common understanding, sort controller need be provided with time standard when energized is used, if run into the situation of power failure then need the time is reset, thereby its use is very inconvenient.

Chinese patent application 01265118.4 discloses a kind of light time double control-type controller for road lamp.This controller has light signal importation, single-chip microcomputer, short circuit contact pin, short-circuit piece, actuator.The light signal importation has photo resistance, and the model of the single-chip microcomputer that it adopts is AT89C2051.The light signal importation of this controller has utilized a voltage comparator of single-chip microcomputer inside, when daylight is strong, and the resistance decreasing of light-sensitive element, comparator output terminal is a low level, and night, the light-sensitive element resistance became big, and comparator output terminal is a high level.By the energizing signal of trace routine detection comparator output port, come the output level of control single chip computer street lamp control signal output ends again in conjunction with delay procedure, require to carry out the high-low level conversion according to program.The setting value of time is to finish by 6 groups of short circuit contact pins and short-circuit piece, according to light-operated and two signals time control, by actuator the Be Controlled object is controlled automatically at last.This kind light time controller can only carry out the simple control of maximum 6 points to the time, and its light-operated part then can only be set and discern a kind of brightness value.So this light time controller can only simply be controlled brightness and time, does not satisfy the actual needs that street lamp is controlled.When especially after power failure, sending a telegram here again, need plug short-circuit piece again the control point of time is provided with, make troubles to the user.

Chinese patent application 200420091950.1 discloses a kind of inductor time double control-type outdoor lighting electricity-saving controller, at the kind time-like that relates to the unit that can dock with the induction interface, also mentions and can adopt photosensitive unit.This controller is made up of step-down rectifying circuit, single-chip microcomputer, thyristor gating circuit, zero passage sample circuit, coding circuit, induction interface.Coding circuit is made up of 2 toggle switchs, and forms 100 kinds of unlike signals by the different gears of 2 toggle switchs, thereby 100 kinds of energy-saving modes can be set.This controller is the device that the street lamp single pole is controlled, it has nearly hundred kinds of energy-saving modes available, can select flexibly according to different highway section pedestrian at night and wagon flow situation, step-down or close some street lamps selectively when pedestrian and wagon flow are rare, thus reach purpose of saving.Though in the embodiment of this application, only exemplified the battery saving mode of closing street lamp, the battery saving mode that does not exemplify step-down, can be according to realizing that by CPU the method for the control thyristor angle of flow realizes the battery saving mode of step-down among the above-mentioned 98206327.X.This application course of work to its controller in embodiment has been carried out following narration: during use, carry out initialization earlier, read toggle switch numerical value then and determine energy-saving mode, afterwards the I/O pin is carried out initialization, in addition, two signs are set in random asccess memory, and one is Status Flag, and one is to trigger sign.Status Flag is used for discerning the work at present state, it is a kind of that promptly identification is in that of three kinds of operating states: first kind of state is the opening that street lamp is kept after the darkness, second kind of state is the electricity-saving state of street lamp in the dormancy at midnight, the opening of the third state street lamp before dawn.Triggering sign triggers controllable silicon with determining whether.Before single-chip microcomputer enters major cycle, trigger sign and put 1.After entering major cycle, single-chip microcomputer is according to the input zero crossing of zero passage sample circuit input.After the zero passage, according to the relevant operation of Status Flag decision.If be in first kind of state, then trigger sign and put 1, trigger controllable silicon; If be in second kind of state, then trigger sign and put 0, controllable silicon need not trigger; If be in the third state, trigger sign and put 1, trigger controllable silicon.Whether program is 1 to determine whether controllable silicon is triggered according to triggering sign then afterwards.After second zero crossing arrived, whether be 1 determine whether can to controllable silicon trigger, return major cycle then and begin to continue top flow process if continuing according to triggering sign.Sort controller is not mentioned the setting problem of time standard yet, need be provided with time standard when energized is used yet, if run into the situation of power failure then need the time is reset, thereby its use is very inconvenient.

Summary of the invention

The purpose of this invention is to provide a kind of easy to use, can economize on electricity when using, street lamp useful life can be long and cooperate the outdoor illumination intelligence light time controller of corresponding program automatically setting time standard; Another object of the present invention provides a kind of control method of this controller.

Realize that the technical scheme that a kind of outdoor illumination intelligence light time controller is provided in the object of the invention is: this controller has live wire link, ground wire link, load current output, power circuit, luma samples circuit, zero passage sample circuit, single-chip microcomputer and controllable silicon output circuit; Power circuit has live wire link, ground wire link, power supply output and power supply ground, and the live wire link of power circuit is the live wire link of this controller, and the ground wire link of power circuit is the ground wire link of this controller; The luma samples circuit has power end; The zero passage sample circuit has input and zero passage sampled signal output; Single-chip microcomputer has power end, zero passage sampled signal input and illumination control signal output; The controllable silicon output circuit has load current input, load current output and control end; The load current input of controllable silicon output circuit also is the live wire link of this controller, and the load current output of controllable silicon output circuit also is the load current output of this controller; The power supply output of power circuit links to each other with the power end of luma samples circuit and the power end of single-chip microcomputer respectively; The input of zero passage sample circuit links to each other with the ground wire link of this controller; The zero passage sampled signal output of zero passage sample circuit links to each other with the zero passage sampled signal input of single-chip microcomputer; The illumination control signal output of single-chip microcomputer links to each other with the control end of controllable silicon output circuit; It is characterized in that: also have initialization circuit; The luma samples circuit also has the luma samples analog signal output; Initialization circuit has power end, energy-conservation time started analog signal output, energy-conservation concluding time analog signal output and power output percentage analog signal output; Single-chip microcomputer is the single-chip microcomputer that is integrated with analog to digital converter and electrically-erasable formula memory; Single-chip microcomputer also has luma samples input end of analog signal, energy-conservation time started input end of analog signal, energy-conservation concluding time input end of analog signal and power output percentage input end of analog signal; The power supply output of power circuit also links to each other with the power end of initialization circuit; The luma samples analog signal output of luma samples circuit links to each other with the luma samples input end of analog signal of single-chip microcomputer; The energy-conservation time started analog signal output of initialization circuit links to each other with the energy-conservation time started input end of analog signal of single-chip microcomputer; The energy-conservation concluding time analog signal output of initialization circuit links to each other with the energy-conservation concluding time input end of analog signal of single-chip microcomputer; The power output percentage analog signal output of initialization circuit links to each other with single-chip microcomputer power output percentage input end of analog signal.

This controller also has current sampling circuit; Current sampling circuit has power end, reference voltage sampled signal input, load current sampled signal input, load current sampled analog signal output part; Single-chip microcomputer also has load current sampled analog signal input part; The controllable silicon output circuit also has the load current signal output; The power supply output of power circuit also links to each other with the power end of current sampling circuit; The load current signal output of controllable silicon output circuit links to each other with the load current sampled signal input of current sampling circuit, the reference voltage sampled signal input of current sampling circuit is the live wire link of this controller, and the load current sampled analog signal output part of current sampling circuit links to each other with the load current sampled analog signal input part of single-chip microcomputer.Above-mentioned controllable silicon output circuit is by bidirectional triode thyristor, control end resistance and input pickup resistance constitute, one end of input pickup resistance is the load current input of controllable silicon output circuit, the other end of input pickup resistance links to each other with an end of the electric current input/output terminal of bidirectional triode thyristor, the other end of the electric current input/output terminal of bidirectional triode thyristor is the load current output of controllable silicon output circuit, one end of control end resistance is the control end of controllable silicon output circuit, the other end of control end resistance links to each other with the control end of bidirectional triode thyristor, and the input pickup resistance of controllable silicon output circuit and the common junction of bidirectional triode thyristor are the load current signal output of controllable silicon output circuit.

Above-mentioned power circuit has step-down transformer and rectifying and voltage-stabilizing filter circuit; One end of the elementary winding of step-down transformer is the live wire link of power circuit, and the other end of the elementary winding of step-down transformer is the ground wire link of power circuit; One end of the secondary winding of step-down transformer links to each other with the input of rectifying and voltage-stabilizing filter circuit, and the other end of the secondary winding of step-down transformer is power supply ground; The output of rectifying and voltage-stabilizing filter circuit is the power supply output of power circuit, and this output links to each other with the live wire link of this controller, and makes this output be floating ground formula power supply output.Above-mentioned luma samples circuit is made of photodiode and a resistance series connection; The negative pole of photodiode is the power end of luma samples circuit, the positive pole of photodiode links to each other with an end of resistance, another termination power ground of resistance, the common junction of photodiode and resistance is the luma samples analog signal output of luma samples circuit; Above-mentioned initialization circuit has first potentiometer, second potentiometer and the 3rd potentiometer; One end conllinear of each potentiometer, be the power end of initialization circuit, another termination power ground of each potentiometer, the adjustable end of first potentiometer is as the energy-conservation time started analog signal output of initialization circuit, the adjustable end of second potentiometer is as the energy-conservation concluding time analog signal output of initialization circuit, and the adjustable end of the 3rd potentiometer is then as the power output percentage analog signal output of initialization circuit.Above-mentioned zero passage sample circuit is made of a resistance, and an end of this resistance is the input of zero passage sample circuit, and the other end of this resistance is the zero passage sampled signal output of zero passage sample circuit.

This controller also has indicating circuit; Single-chip microcomputer also has the index signal output; Constituting of indicating circuit by resistance and light-emitting diode polyphone; One end of resistance links to each other with the index signal output of single-chip microcomputer, and the other end of resistance links to each other with the positive pole of light-emitting diode, and the negative pole of light-emitting diode connects power supply ground.This controller also has lightning protection circuit, and lightning protection circuit is made of piezo-resistance, and piezo-resistance is connected between the live wire link and ground wire link of this controller.

The technical scheme that realizes the control method of the outdoor illumination intelligence light time controller in the object of the invention is: the control method of described outdoor illumination intelligence light time controller has following steps:

1. after system powers on, also be that this controller links to each other with the FireWire port port of civil power at its live wire link, the ground wire link links to each other with the ground wire port of civil power and connect civil power, the ground wire link also links to each other with an end of load, and under the load current output of this controller and the situation that the other end of load links to each other, the power circuit of this controller provides power supply for each relative section of controller;

2. single-chip microcomputer carries out initialization, and its internal timer picks up counting; Simultaneously, each relevant circuit is transported to instant signal the respective input of single-chip microcomputer, wherein: will sample the immediately brightness analog signal that obtains of luma samples circuit is transported to the luma samples input end of analog signal of single-chip microcomputer by its luma samples analog signal output, the energy-conservation time started analog signal that initialization circuit will set is transported to the energy-conservation time started input end of analog signal of single-chip microcomputer by its energy-conservation time started analog signal output, the energy-conservation concluding time analog signal that initialization circuit will set is transported to the energy-conservation concluding time input end of analog signal of single-chip microcomputer by its energy-conservation concluding time analog signal output, initialization circuit is transported to single-chip microcomputer power output percentage input end of analog signal with the power output percentage analog signal that sets by its power output percentage analog signal output, and will sample the immediately zero cross signal that obtains of zero passage sample circuit is transported to the zero passage sampled signal input of single-chip microcomputer by its zero passage sampled signal output;

3. the central processing unit of single-chip microcomputer reads brightness settings or reads brightness settings and deposit to the brightness settings value register of single-chip microcomputer in program from the electrically-erasable formula read-only memory of single-chip microcomputer, from the electrically-erasable formula read-only memory of single-chip microcomputer, read time on daytime numerical value and deposit daytime to single-chip microcomputer in the numerical value register, from the electrically-erasable formula read-only memory of single-chip microcomputer, read night numerical value and deposit night to single-chip microcomputer in the numerical value register, be masked as in the mid-light modulation of single-chip microcomputer light modulation flag register and do not allow light modulation;

4. the central processing unit of single-chip microcomputer operation detects current brightness, judges that current brightness is whether greater than the block of brightness settings again, also be that single-chip microcomputer becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion, more current brightness digital signal and brightness settings compared; Comparative result has 2, and the numerical value that first kind of comparative result is current brightness digital signal is greater than brightness settings, and the numerical value that second kind of comparative result is current brightness digital signal is equal to or less than brightness settings; Move the program that works by day for first kind of comparative result; For second kind of comparative result, operation working procedure at night;

When 5. the single-chip microcomputer operation works by day program, have following segmented program: the first, timer conter makes zero and begins counting; The second, operation detects current brightness, judges that current brightness is whether greater than the block of brightness settings again, for the numerical value of current brightness digital signal comparative result greater than brightness settings, move the 3rd segmented program, be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Three, for the numerical value of the current brightness digital signal in second segmented program comparative result greater than brightness settings, the central processing unit of single-chip microcomputer judges that be daytime this moment, central processing unit is provided with the sign on daytime in the Status Flag register, the illumination control signal output output high level signal that makes single-chip microcomputer makes the controllable silicon output circuit not provide power supply to load to the control end of controllable silicon output circuit, timer conter continues counting, returns second segmented program then; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in second segmented program, the central processing unit of single-chip microcomputer judges that be night this moment, the sign at night then is set in the Status Flag register, numerical value in the timer conter is deposited in the numerical value register on daytime as new numerical value on daytime and the numerical value on daytime in the dialogue fate value register upgrades, the numerical value on daytime that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer; Again will this on new daytime numerical value sum at existing night in numerical value and the night numerical value register compare with the circadian time, if the absolute value of their difference was less than 1 hour, then the light modulation sign in the light modulation flag register is set to allow light modulation, set new time standard, move the working procedure at night then; If in this numerical value and the night numerical value register on new daytime existing night the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, then the light modulation sign in the light modulation flag register is set to not allow light modulation, original time standard is constant, moves the working procedure at night then;

6. during single-chip microcomputer operation working procedure at night, have following segmented program: the first, timer conter makes zero and begins counting; The second, single-chip microcomputer is become current energy-conservation time started analog signal conversion current energy-conservation time started digital signal, current energy-conservation concluding time analog signal conversion is become current energy-conservation concluding time digital signal, present output power percentage analog signal conversion is become present output power percentage figure signal by its corresponding analog to digital converter, and respectively these stored digital signals is gone in the relevant register by central processing unit; Single-chip microcomputer also becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion; Three, single-chip microcomputer compares current brightness digital signal and brightness settings, for the numerical value of current brightness digital signal comparative result greater than brightness settings, move the 5th segmented program, be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in the 3rd segmented program, the central processing unit of single-chip microcomputer judges that still be night this moment, the sign at night is set in the Status Flag register, whether timer conter continues counting, then to allowing light modulation to judge; If light modulation is masked as and does not allow light modulation, then make the illumination control signal output output high-high brightness of single-chip microcomputer control signal to the control end of controllable silicon output circuit and make the controllable silicon output circuit provide power supply to load, return second segmented program then; If light modulation is masked as the permission light modulation, central processing unit energy saving in running light level section then, which that also to be central processing unit fall into night to the current time according to time standard is judged time period, very first time section is to have entered night but also do not arrive between the energy-conservation time started, second time period was between energy-conservation time started and energy-conservation concluding time, and the 3rd time period was between energy-conservation concluding time and daytime; If the current time falls into very first time section, then make the illumination control signal output output high-high brightness of single-chip microcomputer control signal to the control end of controllable silicon output circuit and make the controllable silicon output circuit provide power supply to load, return second segmented program then; If the current time fell into for second time period, then central processing unit is according to the output of illumination control signal output and the corresponding control signal of power output percentage of power output percentage and zero cross signal control single chip computer, also promptly export one with the corresponding triggering signal of delaying of power output percentage, the silicon controlled angle of flow is reduced and load consumption power is reduced, return second segmented program then; If the current time fell into for the 3rd time period, then central processing unit makes single-chip microcomputer control signal to the control end of controllable silicon output circuit and make the controllable silicon output circuit provide power supply to load in its illumination control signal output output high-high brightness, returns second segmented program then; Five, for the numerical value of the current brightness digital signal in the 3rd segmented program comparative result greater than brightness settings, the central processing unit of single-chip microcomputer judges that be daytime this moment, the sign on daytime is set in the Status Flag register, numerical value in the timer conter deposited in the numerical value register at night as new numerical value at night and the numerical value at night in the night numerical value register is upgraded, the numerical value at night that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer; Again will this at new night numerical value sum on existing daytime in numerical value and the daytime numerical value register compare with the circadian time, if the absolute value of their difference was less than 1 hour, then the light modulation sign in the light modulation flag register is set to allow light modulation, set new time standard, move the program that works by day then; If in this numerical value and the daytime numerical value register at new night existing daytime the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, then the light modulation sign in the light modulation flag register is set to not allow light modulation, time standard originally is constant, moves the program that works by day then.

In the control method of described outdoor illumination intelligence light time controller, this controller also has indicating circuit and current sampling circuit; Single-chip microcomputer also has index signal output, load current sampled analog signal input part; The controllable silicon output circuit also has the load current signal output; Indicating circuit is made of resistance and light-emitting diode polyphone; One end of resistance links to each other with the index signal output of single-chip microcomputer, and the other end of resistance links to each other with the positive pole of light-emitting diode, and the negative pole of light-emitting diode connects power supply ground; Current sampling circuit has power end, reference voltage sampled signal input, load current sampled signal input, load current sampled analog signal output part; The power supply output of power circuit also links to each other with the power end of current sampling circuit; The load current signal output of controllable silicon output circuit links to each other with the load current sampled signal input of current sampling circuit, the reference voltage sampled signal input of current sampling circuit is the live wire link of this controller, and the load current sampled analog signal output part of current sampling circuit links to each other with the load current sampled analog signal input part of single-chip microcomputer; Step 2. in, when each relevant circuit is transported to the respective input of single-chip microcomputer with instant signal, comprise that also will sample the immediately load current analog signal that obtains of current sampling circuit transported to the load current sampled analog signal input part of single-chip microcomputer by its load current sampled analog signal output part; In step second segmented program 6., also comprise; In the energy-saving illumination block of step the 4th segmented program 6., if the current time falls into very first time section, then when central processing unit control makes the illumination control signal output output high-high brightness control signal of single-chip microcomputer, make the index signal output output of single-chip microcomputer show it is the high level signal at night, and make the light-emitting diode Chang Liang of indicating circuit, the central processing unit control single chip computer changes into current load current sampled digital signal by its corresponding analog to digital converter with current load current sampled analog signal then, central processing unit should deposit in the current sampling signal register as total power lighting current sampled digital signal by current load current sampled digital signal, and then returns second segmented program; In the energy-saving illumination block of step the 4th segmented program 6., if the current time fell into for second time period, then when central processing unit control makes the output of illumination control signal output and the corresponding control signal of power output percentage of single-chip microcomputer, the index signal output output of single-chip microcomputer is shown currently be night and carry out light modulation and reduce the square-wave signal of power output, and make indicator light glittering; After one of central processing unit control signal output and the corresponding triggering signal of delaying of power output percentage, the central processing unit control single chip computer changes into current load current sampled digital signal by its corresponding analog to digital converter with current load current sampled analog signal, central processing unit is compared current load current sampled digital signal with total power lighting current sampled digital signal, if its ratio is less than the power output percentage then reduce time of delaying of triggering signal, if its ratio greater than the power output percentage then increase time of delaying of triggering signal, equates with the power output percentage of setting up to this ratio; In the energy-saving illumination block of step the 4th segmented program 6., if the current time fell into for the 3rd time period, then when central processing unit control makes the illumination control signal output output high-high brightness control signal of single-chip microcomputer, make the index signal output output of single-chip microcomputer show that current is the high level signal at night and make the light-emitting diode Chang Liang of indicating circuit.

The present invention has beneficial effect: can use after (1) outdoor illumination intelligence of the present invention light time controller cooperates corresponding program.(2) this controller carry out brightness ratio than the time, judge whether it is daytime or whether to be that the brightness settings at night is generally elected as inequality, for example, when carrying out the transition to night by day,, then think to enter night if when brightness is less than or equal to 15 lux lux; When carry out the transition to daytime night, if brightness during more than or equal to 40 lux lux, is then thought to enter daytime.(3) the present invention both can set in advance time on daytime numerical value and time at night numerical value in relative program, also time on daytime numerical value and time at night numerical value all can be made as 0.To time on daytime numerical value with after the time at night, numerical value set in advance, this controller can be determined new time standard, and this time standard is astronomical time (also being a true solar time) standard.For example, can be with time on the daytime numerical value that just obtained (be unit and be convertible into hour) or time at night numerical value (be unit and be convertible into hour) as dividend with the second with the second, with this numerical value divided by 2, for time at night numerical value divided by the merchant of gained after 2 promptly as astronomical time in current morning, for the time numerical value on daytime divided by the merchant of gained after 2 promptly as the astronomical time in current afternoon.No matter the standard when whether default time standard uses this controller with reality is consistent or these two numerical value all is made as 0, unless special circumstances are arranged, after having moved a complete daytime and complete night, numerical value sum in 2 time numerical value registers must be consistent with the astronomical time standard of there and then thereby determined time standard is also inevitable between 23-25 hour; And afterwards in service, also can be with adjusting time standard season automatically.Therefore, generally, program of the present invention can 36 hours after controller starts within the deadline establishment of standard, and controller of the present invention is in operation and can produce cumulative errors.(4) system of this controller can set up or the correction time standard easily automatically, meets outage or along with the transition in season, also can adjust own inner time standard well, need not it is carried out manual setting, so have advantage easy to use.(5) controller of the present invention is after the normal operation of definite time standard, can be arranged on evening 18 the energy-conservation time started up to zero 2 o'clock mornings, if the energy-conservation time started is dropped on the time after midnight, and owing to when the time after midnight, line voltage was higher, voltage is adjusted, by reducing voltage method, can effectively economize on electricity, can also effectively prolong the useful life of street lamp simultaneously.During electricity-saving state, the percentage (being the power output percentage) that institute's consumed power takes power can be arranged between the 50%-100%, like this electricity-saving state in the time period when consumed power is set less than full power, can economize on electricity, and can economize on electricity 50% at most.(6) after controller of the present invention is provided with current sampling circuit, can sample to the output current of controller, after this sampled signal is transported to single-chip microcomputer, single-chip microcomputer with the sampled signal numerical value of the sampled signal numerical value of the power output under the power save mode and the power output under the normal condition with compare, if its ratio equates with the power output percentage that sets, illustrate that then energy-conservation output meets the requirements, if then illustrating greater than the power output percentage, this ratio also do not reach energy-conservation requirement, then the signal by single-chip microcomputer output minimizing thyristor operating angle reduces to identical with the power output percentage up to this ratio, if this ratio then by the control signal of single-chip microcomputer output increasing thyristor operating angle, increases to identical with the power output percentage less than the power output percentage up to this ratio.Therefore, this controller can be adjusted power output, and energy-conservation size is controlled.(7) when the zero passage sample circuit of this controller be to sampling the zero point of the AC signal of civil power, civil power is that waveform is sinusoidal wave alternating current, in a sinusoidal wave period, zero passage is arranged twice, utilize this well-regulated zero cross signal, when this controller is controlled the percentage of power output under power save mode, be to be the initial moment with zero crossing, this moment, controllable silicon just became stable not on-state by conducting state, and single-chip microcomputer is exported the control signal (just reducing the control signal of the silicon controlled angle of flow) of the high level of very little a period of time at this moment and keep controllable silicon a bit of not conducting of time in beginning before arriving next zero point, the output low level signal makes the controllable silicon conducting until the ON time of setting arrives, like this, can control the size of power output easily on the one hand, also can make the silicon controlled service condition better on the other hand, thereby increase the service life.(8) after this controller is provided with indicating circuit, can indicate different operating states in normal operation, indicator light (can adopt light-emitting diode) does not work under the state by day.Very first time section and the 3rd time period indicator light Chang Liang under the night state, indicator light is glittering under power save mode.(9) the present invention in use, its energy-conservation time started can be located at evening 18 between zero 2 o'clock mornings, the energy-conservation concluding time is arranged at 19 in evening between zero 5 o'clock mornings, and can customize according to customer requirement.(10) to can be used for controlling outdoor power be sodium vapor lamp, the street lamp of mercury lamp, flower garden lamp, the Landscape Lamp of 70～1000W to controller of the present invention.

Description of drawings

Fig. 1 is a kind of circuit block diagram of outdoor illumination intelligence light time controller of the present invention.

Fig. 2 is a kind of electrical schematic diagram of controller shown in Figure 1.

Fig. 3 is a kind of flow chart of controller shown in Figure 1.

Fig. 4 be among Fig. 3 night the energy-saving illumination block in the 4th segmented program in the working procedure block diagram.

Reference numeral is: power circuit 1, luma samples circuit 2, initialization circuit 3, zero passage sample circuit 4, indicating circuit 5, current sampling circuit 6, single-chip microcomputer 7, controllable silicon output circuit 8, lightning protection circuit 9.

Embodiment

For the easier quilt of content of the present invention is clearly understood, below according to a particular embodiment of the invention and in conjunction with the accompanying drawings, the present invention is further detailed explanation.

(embodiment 1, outdoor illumination intelligence light time controller)

See Fig. 1; the outdoor illumination intelligence light time controller of present embodiment has shell and the circuit arrangement that is arranged in the shell, and circuit arrangement has live wire link, ground wire link, load current output, power circuit 1, luma samples circuit 2, initialization circuit 3, zero passage sample circuit 4, indicating circuit 5, current sampling circuit 6, single-chip microcomputer 7, controllable silicon output circuit 8 and lightning protection circuit 9.

See Fig. 1 and Fig. 2, power circuit 1 has live wire link, ground wire link, power supply output and power supply ground; Luma samples circuit 2 has power end, luma samples analog signal output; Initialization circuit 3 has power end, energy-conservation time started analog signal output, energy-conservation concluding time analog signal output and power output percentage analog signal output; Zero passage sample circuit 4 has input and zero passage sampled signal output; Constituting of indicating circuit 5 by resistance and light-emitting diode polyphone; Current sampling circuit 6 has reference voltage sampled signal input, load current sampled signal input, load current sampled analog signal output part; Single-chip microcomputer 7 is for being integrated with the single-chip microcomputer of analog to digital converter and electrically-erasable formula memory; Single-chip microcomputer 7 has power end, zero passage sampled signal input, illumination control signal output, luma samples input end of analog signal, energy-conservation time started input end of analog signal, energy-conservation concluding time input end of analog signal, power output percentage input end of analog signal, load current sampled analog signal input part and index signal output; Controllable silicon output circuit 8 has load current input, load current output, control end and load current signal output.

The live wire link of power circuit 1 is the live wire link of this controller, and the ground wire link of power circuit 1 is the ground wire link of this controller.The power supply output of power circuit 1 links to each other with the power end of luma samples circuit 2, the power end of initialization circuit 3, the power end of current sampling circuit 6 and the power end of single-chip microcomputer 7 respectively.

The luma samples analog signal output of luma samples circuit 2 links to each other with the luma samples input end of analog signal of single-chip microcomputer 7.

The energy-conservation time started analog signal output of initialization circuit 3 links to each other with the energy-conservation time started input end of analog signal of single-chip microcomputer 7; The energy-conservation concluding time analog signal output of initialization circuit 3 links to each other with the energy-conservation concluding time input end of analog signal of single-chip microcomputer 7; The power output percentage analog signal output of initialization circuit 3 links to each other with single-chip microcomputer 7 power output percentage input end of analog signal.

The input of zero passage sample circuit 4 links to each other with the ground wire link of this controller; The zero passage sampled signal output of zero passage sample circuit 4 links to each other with the zero passage sampled signal input of single-chip microcomputer 7.

One end of the resistance of indicating circuit 5 links to each other with the index signal output of single-chip microcomputer 7, and the other end of resistance links to each other with the positive pole of light-emitting diode, and the negative pole of light-emitting diode connects power supply ground.

The reference voltage sampled signal input of current sampling circuit 6 is the live wire link of this controller, the load current sampled analog signal output part of current sampling circuit 6 links to each other with the load current sampled analog signal input part of single-chip microcomputer 7, and the load current signal output of controllable silicon output circuit 8 links to each other with the load current sampled signal input of current sampling circuit 6.

The load current input of controllable silicon output circuit 8 also is the live wire link of this controller, and the load current output of controllable silicon output circuit 8 also is the load current output of this controller; The illumination control signal output of single-chip microcomputer 7 links to each other with the control end of controllable silicon output circuit 8.

Lightning protection circuit 9 is connected between the live wire link and ground wire link of this controller.

See Fig. 2, this controller also has 3 copper pins that are fixedly installed on the shell, a copper pin that is designated as LINE wherein is called the live wire pin, this live wire pin LINE stretches out shell as the extension of the live wire link of circuit arrangement, a copper pin that is designated as NEUT is called earth pin, this earth pin NEUT is as the extension of the ground wire link of circuit arrangement and stretch out shell, a copper pin that is designated as LOAD is called the load pin, and this load pin LOAD stretches out shell as the extension of the load current output of circuit arrangement.

Still see Fig. 2, power circuit 1 has step-down transformer BYQ and rectifying and voltage-stabilizing filter circuit (comprising diode D3, resistance R 14, electrochemical capacitor C7 and C4, capacitor C 2 and voltage-stabiliser tube D2); In the power circuit 1, the elementary winding of step-down transformer BYQ connects 220V (or 110V) city alternating current in use by the live wire pin LINE and the earth pin NEUT of controller, also is that the elementary winding of step-down transformer BYQ is connected between the live wire and ground wire of civil power; The secondary winding of step-down transformer BYQ is then exported the 8V low-voltage alternating current power supply; The ground terminal of secondary winding can be described as power supply ground, and the ground wire link that links to each other with the ground wire of civil power when being different from the use of this controller.The positive pole of the live wire terminating diode D3 of secondary winding, the end of the negative pole connecting resistance R14 of diode D3, the other end of resistance R 14 (being the power supply output of power circuit 1, also is the output of rectifying and voltage-stabilizing filter circuit) connects the power end (being 20 pin and 7 pin of single-chip microcomputer IC1) of single-chip microcomputer 7.The positive terminating diode D3 of electrochemical capacitor C7 and the contact of resistance R 14, the described power supply of another termination ground of electrochemical capacitor C7.Be parallel with voltage-stabiliser tube D2, electrochemical capacitor C4 and capacitor C 2 between the power supply output of power circuit 1 and the described power supply ground, and the anode of the negative pole of voltage-stabiliser tube D2 and electrochemical capacitor links to each other with the power supply output of power circuit 1.The power supply output of the power circuit 1 line link of starting to exchange fire, and with respect to the pressure reduction on described power supply ground be+5V, and make this power supply output be floating ground formula power supply output.

Luma samples circuit 2 comprises resistance R 1 and photodiode LED1, the negative pole (being the power end of luma samples circuit 2) of the power supply output termination photodiode LED1 of power circuit 1 connects described power supply ground behind the cathode series resistance R1 of photodiode LED1.The contact of resistance R 1 and photodiode LED1 (being the luma samples analog signal output of luma samples circuit 2) connects 24 pin (being the luma samples input end of analog signal of single-chip microcomputer 7) of single-chip microcomputer IC1.

Initialization circuit 3 comprises the first potentiometer W1, the second potentiometer W2 and the 3rd a potentiometer W3 (end conllinear of each potentiometer, be the power end of initialization circuit 3, another termination power ground of each potentiometer, the adjustable end of first potentiometer is as the energy-conservation time started analog signal output of initialization circuit 3, the adjustable end of second potentiometer is as the energy-conservation concluding time analog signal output of initialization circuit 3, the adjustable end of the 3rd potentiometer is then as the power output percentage analog signal output of initialization circuit 3), be used to produce energy-conservation time started analog signal respectively successively, energy-conservation concluding time analog signal and power output percentage analog signal, and deliver to 26 pin of single-chip microcomputer IC1 successively, 27 pin and 28 pin (are the energy-conservation time started input end of analog signal of single-chip microcomputer 7, energy-conservation concluding time input end of analog signal and power output percentage input end of analog signal).

Zero passage sample circuit 4 is a resistance R 7, the ground wire link (input of zero passage sample circuit 4) of this controller of termination of resistance R 7; The other end of resistance R 7 (the zero passage sampled signal output of zero passage sample circuit 4) connects 5 pin (being the zero passage sampled signal input of single-chip microcomputer 7) of single-chip microcomputer IC1.

Indicating circuit 5 is made of resistance R 10 and LED 2 polyphones; Resistance R 10 links to each other with the index signal output (being 2 pin of single-chip microcomputer IC1) of single-chip microcomputer 7, and the LED2 negative pole of light-emitting diode connects power supply ground.

Current sampling circuit 6 has electrochemical capacitor C1, electrochemical capacitor C3 and amplifies rectification circuit (comprising operational amplifier IC2A, resistance R 2, resistance R 5, resistance R 8, resistance R 11, capacitor C 5 and diode D1).The input pickup resistance R12 of controllable silicon output circuit 8 also is a sample resistance, the positive pole of capacitor C 1 (the reference voltage sampled signal input of current sampling circuit 6) links to each other with the end (also being the live wire link of this controller) of sample resistance R12, the positive pole of capacitor C 3 (the load current sampled signal input of current sampling circuit 6) links to each other with the other end (the load current signal output of controllable silicon output circuit 8) of sample resistance R12, the reverse input end of another termination operational amplifier IC2A of capacitor C 1, the positive input of another termination operational amplifier IC2A of capacitor C 3.The positive pole of the output terminating diode D1 of operational amplifier IC2A, the negative pole of diode D1 (the load current sampled analog signal output part of current sampling circuit 6) connect 25 pin (the load current sampled analog signal input part of single-chip microcomputer 7) of single-chip microcomputer IC1.Capacitor C 5 and resistance R 11 are parallel between the negative pole and power supply ground of diode D1.

Single-chip microcomputer 7 is that model is the single-chip microcomputer IC1 of ATMEGA48, is integrated with analog to digital converter and electrically-erasable formula memory.

Controllable silicon output circuit 8 is made of bidirectional triode thyristor T1, control end resistance R 9 and input pickup resistance R12.The end (being the control end of controllable silicon output circuit 8) of 15 pin of single-chip microcomputer IC1 (being the illumination control signal output of single-chip microcomputer 7) connecting resistance R9, the control utmost point of another termination bidirectional triode thyristor T1 of resistance R 9.The end of input pickup resistance R12 (being that diameter is 1 millimeter a manganese-copper filament) is the load current input of controllable silicon output circuit 8, and link to each other with live wire pin LINE, the other end of input pickup resistance R12 links to each other with the electric current input/output terminal of bidirectional triode thyristor T1, another electric current input/output terminal of bidirectional triode thyristor T1 is the load current output of controllable silicon output circuit 8, and this output links to each other with load pin LOAD.The input pickup resistance R12 of controllable silicon output circuit 8 and the common junction of bidirectional triode thyristor T1 are the load current signal output of controllable silicon output circuit 8.

Lightning protection circuit 9 is piezo-resistance R13, is arranged between the live wire link and ground wire link of this controller.

(control method of embodiment 2, outdoor illumination intelligence light time controller)

The outdoor illumination that control method the adopted intelligence light time controller of present embodiment is obtained by embodiment 1.

The control method of present embodiment has following steps:

Step is 1.: see Fig. 3, after system powers on, also be that this controller links to each other with the FireWire port port of civil power at its live wire link, the ground wire link links to each other with the ground wire port of civil power and connect civil power, the ground wire link also links to each other with an end of load, and under the load current output of this controller and the situation that the other end of load links to each other, the power circuit 1 of this controller provides power supply for each relative section of controller.

Step is 2.: still see Fig. 3, single-chip microcomputer 7 carries out initialization, and its internal timer picks up counting; Simultaneously, each relevant circuit is transported to instant signal the respective input of single-chip microcomputer 7, wherein: will sample the immediately brightness analog signal that obtains of luma samples circuit 2 is transported to the luma samples input end of analog signal of single-chip microcomputer 7 by its luma samples analog signal output, the energy-conservation time started analog signal that initialization circuit 3 will set is transported to the energy-conservation time started input end of analog signal of single-chip microcomputer 7 by its energy-conservation time started analog signal output, the energy-conservation concluding time analog signal that initialization circuit 3 will set is transported to the energy-conservation concluding time input end of analog signal of single-chip microcomputer 7 by its energy-conservation concluding time analog signal output, initialization circuit 3 is transported to single-chip microcomputer 7 power output percentage input end of analog signal with the power output percentage analog signal that sets by its power output percentage analog signal output, and will sample the immediately zero cross signal that obtains of zero passage sample circuit 4 is transported to the zero passage sampled signal input of single-chip microcomputer 7 by its zero passage sampled signal output; To sample the immediately load current analog signal that obtains of current sampling circuit 6 is transported to the load current sampled analog signal input part of single-chip microcomputer 7 by its load current sampled analog signal output part.

Step is 3.: still see Fig. 3, the central processing unit of single-chip microcomputer 7 reads brightness settings or reads brightness settings and deposit to the brightness settings value register of single-chip microcomputer 7 in program from electrically-erasable formula read-only memory, from the electrically-erasable formula read-only memory of single-chip microcomputer 7, read time on daytime numerical value and deposit daytime to single-chip microcomputer 7 in the numerical value register, from the electrically-erasable formula read-only memory of single-chip microcomputer 7, read night numerical value to night of single-chip microcomputer 7 in the numerical value register, be masked as in the mid-light modulation of light modulation flag register of single-chip microcomputer 7 and do not allow light modulation.

Step is 4.: still see Fig. 3, the operation of the central processing unit of single-chip microcomputer 7 detects current brightness, judges that current brightness is whether greater than the block of brightness settings again, also be that single-chip microcomputer 7 becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion, more current brightness digital signal and brightness settings compared; Comparative result has 2, and the numerical value that first kind of comparative result is current brightness digital signal is greater than brightness settings, and the numerical value that second kind of comparative result is current brightness digital signal is equal to or less than brightness settings; Move the program that works by day for first kind of comparative result; For second kind of comparative result, operation working procedure at night.

Step is 5.: still see Fig. 3, when single-chip microcomputer 7 operations work by day program, have following segmented program: the first, timer conter makes zero and begins counting; The second, operation detects current brightness, judges current brightness whether greater than the block of brightness settings again, for the numerical value of the current brightness digital signal comparative result greater than brightness settings, moves the 3rd segmented program; Be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Three, for the numerical value of the current brightness digital signal in second segmented program greater than the brightness settings comparative result, the central processing unit of single-chip microcomputer 7 judges that be daytime this moment, central processing unit is provided with the sign on daytime in the Status Flag register, the illumination control signal output output high level signal that makes single-chip microcomputer 7 makes controllable silicon output circuit 8 not provide power supply to load to the control end of controllable silicon output circuit 8, timer conter continues counting, returns second segmented program then; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in second segmented program, the central processing unit of single-chip microcomputer 7 judges that be night this moment, the sign at night then is set in the Status Flag register, numerical value in the timer conter is deposited in the numerical value register on daytime as new numerical value on daytime and the numerical value on daytime in the dialogue fate value register upgrades, the numerical value on daytime that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer 7; Again will this on new daytime numerical value sum at existing night in numerical value and the night numerical value register compare with the circadian time, if the absolute value of their difference less than 1 hour, just new daytime numerical value and night the numerical value sum drop between the circadian hourage 23-25, then the light modulation sign in the light modulation flag register is set to allow light modulation; With new daytime numerical value be the astronomical time at that time in afternoon divided by 2 resulting merchants, for example new time on daytime numerical value is 12 hours, then astronomical time at that time is at 6 o'clock in afternoon; Move the working procedure at night then; If in this numerical value and the night numerical value register on new daytime existing night the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, just new daytime numerical value and night the numerical value sum smaller or equal to 23 or more than or equal to 25, then the light modulation sign in the light modulation flag register is set to not allow light modulation, and original time standard is constant; Move the working procedure at night then.

Step is 6.: still see Fig. 3, during single-chip microcomputer 7 operation working procedures at night, have following segmented program: the first, timer conter makes zero and begins counting; The second, single-chip microcomputer 7 is become current energy-conservation time started analog signal conversion current energy-conservation time started digital signal, current energy-conservation concluding time analog signal conversion is become current energy-conservation concluding time digital signal, present output power percentage analog signal conversion is become present output power percentage figure signal by its corresponding analog to digital converter, and respectively these stored digital signals is gone in the relevant register by central processing unit; Single-chip microcomputer 7 also becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion; Three, single-chip microcomputer 7 compares current brightness digital signal and brightness settings, for the numerical value of current brightness digital signal comparative result greater than brightness settings, move the 5th segmented program, be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in the 3rd segmented program, the central processing unit of single-chip microcomputer 7 judges that still be night this moment, the sign at night is set in the Status Flag register, whether timer conter continues counting, then to allowing light modulation to judge; If light modulation is masked as and does not allow light modulation, then make the illumination control signal output output high-high brightness of single-chip microcomputer 7 control signal to the control end of controllable silicon output circuit 8 and make controllable silicon output circuit 8 provide power supply to load, return second segmented program then; If light modulation is masked as the permission light modulation, central processing unit energy saving in running light level section (see figure 4) then, which that also to be central processing unit fall into night to the current time according to time standard is judged time period, very first time section is to have entered night but also do not arrive between the energy-conservation time started, second time period was between energy-conservation time started and energy-conservation concluding time, and the 3rd time period was between energy-conservation concluding time and daytime; If the current time falls into very first time section, then make the illumination control signal output output high-high brightness of single-chip microcomputer 7 control signal to the control end of controllable silicon output circuit 8 and make controllable silicon output circuit 8 provide power supply, and make the index signal output output of single-chip microcomputer 7 show that current is the high level signal of night but not light modulation and make the light-emitting diode Chang Liang of indicating circuit 5 to load; Central processing unit control single chip computer 7 changes into current load current sampled digital signal by its corresponding analog to digital converter with current load current sampled analog signal then, central processing unit should be deposited in the current sampling signal register as total power lighting current sampled digital signal by current load current sampled digital signal, returns second segmented program again.If the current time fell into for second time period, then central processing unit is according to the output of illumination control signal output and the corresponding control signal of power output percentage of power output percentage and zero cross signal control single chip computer 7, also promptly export one and the corresponding triggering signal of delaying of power output percentage (can select, present embodiment is chosen as 50%) between 50% to 100%, the silicon controlled angle of flow is reduced and load consumption power is reduced; Central processing unit also makes the index signal output output of single-chip microcomputer 7 show currently to be night and to carry out light modulation and reduce the square-wave signal of power output, and makes the light-emitting diode of indicating circuit 5 glittering; Central processing unit control single chip computer 7 changes into present load current sample digital signal by its corresponding analog to digital converter with present load current sample analog signal, central processing unit just present load current sample digital signal is compared with total power lighting current sampled digital signal, if its ratio is less than the power output percentage then reduce time of delaying of triggering signal, also promptly increase the silicon controlled angle of flow (at every turn can increase by 0.1 degree), if its ratio is greater than the power output percentage then increase time of delaying of triggering signal, also promptly reduce the silicon controlled angle of flow (at every turn can reduce by 0.1 degree), equate (scope to be arranged up to this ratio with the power output percentage of setting, for example the power output percentage of She Dinging is 50%, if the ratio of gained can think that less than 1% both equate with the absolute value of the difference of the percentage of this setting); Return the 3rd segmented program then; If the current time fell into for the 3rd time period, then central processing unit makes single-chip microcomputer 7 control signal to the control end of controllable silicon output circuit 8 and make controllable silicon output circuit 8 provide power supply to load in its illumination control signal output output high-high brightness; Central processing unit also makes the index signal output output of single-chip microcomputer 7 show that current is the high level signal of night but not light modulation and make indicator light Chang Liang; Return second segmented program then; Still see Fig. 3, five, for the numerical value of the current brightness digital signal in the 3rd segmented program comparative result greater than brightness settings, the central processing unit of single-chip microcomputer 7 judges that be daytime this moment, in the Status Flag register, be provided with and indicate corresponding daytime, numerical value in the timer conter deposited in the numerical value register at night as new numerical value at night and the numerical value at night in the night numerical value register is upgraded, the numerical value at night that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer 7; Again will this at new night numerical value sum on existing daytime in numerical value and the daytime numerical value register compare with the circadian time, if the absolute value of their difference was less than 1 hour, then the light modulation sign in the light modulation flag register is set to allow light modulation, set new time standard, move the block of the program that works by day then; If in this numerical value and the daytime numerical value register at new night existing daytime the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, then the light modulation sign in the light modulation flag register is set to not allow light modulation, time standard originally is constant, moves the program that works by day then.

Claims

1, a kind of outdoor illumination intelligence light time controller has live wire link, ground wire link, load current output, power circuit (1), luma samples circuit (2), zero passage sample circuit (4), single-chip microcomputer (7) and controllable silicon output circuit (8); Power circuit (1) has live wire link, ground wire link, power supply output and power supply ground, the live wire link of power circuit (1) is the live wire link of this controller, and the ground wire link of power circuit (1) is the ground wire link of this controller; Luma samples circuit (2) has power end; Zero passage sample circuit (4) has input and zero passage sampled signal output; Single-chip microcomputer (7) has power end, zero passage sampled signal input and illumination control signal output; Controllable silicon output circuit (8) has load current input, load current output and control end; The load current input of controllable silicon output circuit (8) also is the live wire link of this controller, and the load current output of controllable silicon output circuit (8) also is the load current output of this controller; The power supply output of power circuit (1) links to each other with the power end of luma samples circuit (2) and the power end of single-chip microcomputer (7) respectively; The input of zero passage sample circuit (4) links to each other with the ground wire link of this controller; The zero passage sampled signal output of zero passage sample circuit (4) links to each other with the zero passage sampled signal input of single-chip microcomputer (7); The illumination control signal output of single-chip microcomputer (7) links to each other with the control end of controllable silicon output circuit (8); It is characterized in that: also have initialization circuit (3); Luma samples circuit (2) also has the luma samples analog signal output; Initialization circuit (3) has power end, energy-conservation time started analog signal output, energy-conservation concluding time analog signal output and power output percentage analog signal output; Single-chip microcomputer (7) is for being integrated with the single-chip microcomputer of analog to digital converter and electrically-erasable formula memory; Single-chip microcomputer (7) also has luma samples input end of analog signal, energy-conservation time started input end of analog signal, energy-conservation concluding time input end of analog signal and power output percentage input end of analog signal; The power supply output of power circuit (1) also links to each other with the power end of initialization circuit (3); The luma samples analog signal output of luma samples circuit (2) links to each other with the luma samples input end of analog signal of single-chip microcomputer (7); The energy-conservation time started analog signal output of initialization circuit (3) links to each other with the energy-conservation time started input end of analog signal of single-chip microcomputer (7); The energy-conservation concluding time analog signal output of initialization circuit (3) links to each other with the energy-conservation concluding time input end of analog signal of single-chip microcomputer (7); The power output percentage analog signal output of initialization circuit (3) links to each other with single-chip microcomputer (7) power output percentage input end of analog signal.

2, outdoor illumination intelligence light time controller according to claim 1 is characterized in that: also have current sampling circuit (6); Current sampling circuit (6) has power end, reference voltage sampled signal input, load current sampled signal input, load current sampled analog signal output part; Single-chip microcomputer (7) also has load current sampled analog signal input part; Controllable silicon output circuit (8) also has the load current signal output; The power supply output of power circuit (1) also links to each other with the power end of current sampling circuit (6); The load current signal output of controllable silicon output circuit (8) links to each other with the load current sampled signal input of current sampling circuit (6), the reference voltage sampled signal input of current sampling circuit (6) is the live wire link of this controller, and the load current sampled analog signal output part of current sampling circuit (6) links to each other with the load current sampled analog signal input part of single-chip microcomputer (7).

3, outdoor illumination intelligence light time controller according to claim 2, it is characterized in that: controllable silicon output circuit (8) is by bidirectional triode thyristor, control end resistance and input pickup resistance constitute, one end of input pickup resistance is the load current input of controllable silicon output circuit (8), the other end of input pickup resistance links to each other with an end of the electric current input/output terminal of bidirectional triode thyristor, the other end of the electric current input/output terminal of bidirectional triode thyristor is the load current output of controllable silicon output circuit (8), one end of control end resistance is the control end of controllable silicon output circuit (8), the other end of control end resistance links to each other with the control end of bidirectional triode thyristor, and the input pickup resistance of controllable silicon output circuit (8) and the common junction of bidirectional triode thyristor are the load current signal output of controllable silicon output circuit (8).

4, according to the described outdoor illumination intelligence of one of claim 1 to 3 light time controller, it is characterized in that: power circuit (1) has step-down transformer and rectifying and voltage-stabilizing filter circuit; One end of the elementary winding of step-down transformer is the live wire link of power circuit (1), and the other end of the elementary winding of step-down transformer is the ground wire link of power circuit (1); One end of the secondary winding of step-down transformer links to each other with the input of rectifying and voltage-stabilizing filter circuit, and the other end of the secondary winding of step-down transformer is power supply ground; The output of rectifying and voltage-stabilizing filter circuit is the power supply output of power circuit (1), and this output links to each other with the live wire link of this controller, and makes this output be floating ground formula power supply output.

5, according to the described outdoor illumination intelligence of one of claim 1 to 3 light time controller, it is characterized in that: luma samples circuit (2) is made of photodiode and a resistance series connection; The negative pole of photodiode is the power end of luma samples circuit (2), the positive pole of photodiode links to each other with an end of resistance, another termination power ground of resistance, the common junction of photodiode and resistance is the luma samples analog signal output of luma samples circuit (2).

6, according to the described outdoor illumination intelligence of one of claim 1 to 3 light time controller, it is characterized in that: initialization circuit (3) has first potentiometer, second potentiometer and the 3rd potentiometer; One end conllinear of each potentiometer, be the power end of initialization circuit (3), another termination power ground of each potentiometer, the adjustable end of first potentiometer is as the energy-conservation time started analog signal output of initialization circuit (3), the adjustable end of second potentiometer is as the energy-conservation concluding time analog signal output of initialization circuit (3), and the adjustable end of the 3rd potentiometer is then as the power output percentage analog signal output of initialization circuit (3).

7, according to the described outdoor illumination intelligence of one of claim 1 to 3 light time controller, it is characterized in that: zero passage sample circuit (4) is made of a resistance, one end of this resistance is the input of zero passage sample circuit (4), and the other end of this resistance is the zero passage sampled signal output of zero passage sample circuit (4).

8, according to the described outdoor illumination intelligence of one of claim 1 to 3 light time controller, it is characterized in that: also have indicating circuit (5) and lightning protection circuit (9); Single-chip microcomputer (7) also has the index signal output; Constituting of indicating circuit (5) by resistance and light-emitting diode polyphone; One end of resistance links to each other with the index signal output of single-chip microcomputer (7), and the other end of resistance links to each other with the positive pole of light-emitting diode, and the negative pole of light-emitting diode connects power supply ground; Lightning protection circuit is made of piezo-resistance, and piezo-resistance is connected between the live wire link and ground wire link of this controller.

9, by the control method of the described outdoor illumination intelligence of claim 1 light time controller, have following steps:

1. after system powers on, also be that this controller links to each other with the FireWire port port of civil power at its live wire link, the ground wire link links to each other with the ground wire port of civil power and connect civil power, the ground wire link also links to each other with an end of load, and under the load current output of this controller and the situation that the other end of load links to each other, the power circuit of this controller (1) provides power supply for each relative section of controller;

2. single-chip microcomputer (7) carries out initialization, and its internal timer picks up counting; Simultaneously, each relevant circuit is transported to instant signal the respective input of single-chip microcomputer (7), wherein: will sample the immediately brightness analog signal that obtains of luma samples circuit (2) is transported to the luma samples input end of analog signal of single-chip microcomputer (7) by its luma samples analog signal output, the energy-conservation time started analog signal that initialization circuit (3) will set is transported to the energy-conservation time started input end of analog signal of single-chip microcomputer (7) by its energy-conservation time started analog signal output, the energy-conservation concluding time analog signal that initialization circuit (3) will set is transported to the energy-conservation concluding time input end of analog signal of single-chip microcomputer (7) by its energy-conservation concluding time analog signal output, initialization circuit (3) is transported to single-chip microcomputer (7) power output percentage input end of analog signal with the power output percentage analog signal that sets by its power output percentage analog signal output, and will sample the immediately zero cross signal that obtains of zero passage sample circuit (4) is transported to the zero passage sampled signal input of single-chip microcomputer (7) by its zero passage sampled signal output;

3. the central processing unit of single-chip microcomputer (7) reads brightness settings or reads brightness settings and deposit to the brightness settings value register of single-chip microcomputer (7) in program from the electrically-erasable formula read-only memory of single-chip microcomputer (7), from the electrically-erasable formula read-only memory of single-chip microcomputer (7), read time on daytime numerical value and deposit daytime to single-chip microcomputer (7) in the numerical value register, from the electrically-erasable formula read-only memory of single-chip microcomputer (7), read night numerical value and deposit night to single-chip microcomputer (7) in the numerical value register, be masked as in the mid-light modulation of single-chip microcomputer (7) light modulation flag register and do not allow light modulation;

4. the central processing unit of single-chip microcomputer (7) operation detects current brightness, judges that current brightness is whether greater than the block of brightness settings again, also be that single-chip microcomputer (7) becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion, more current brightness digital signal and brightness settings compared; Comparative result has 2, and the numerical value that first kind of comparative result is current brightness digital signal is greater than brightness settings, and the numerical value that second kind of comparative result is current brightness digital signal is equal to or less than brightness settings; Move the program that works by day for first kind of comparative result; For second kind of comparative result, operation working procedure at night;

When 5. single-chip microcomputer (7) operation works by day program, have following segmented program: the first, timer conter makes zero and begins counting; The second, operation detects current brightness, judges that current brightness is whether greater than the block of brightness settings again, for the numerical value of current brightness digital signal comparative result greater than brightness settings, move the 3rd segmented program, be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Three, for the numerical value of the current brightness digital signal in second segmented program comparative result greater than brightness settings, the central processing unit of single-chip microcomputer (7) judges that be daytime this moment, central processing unit is provided with the sign on daytime in the Status Flag register, the illumination control signal output output high level signal that makes single-chip microcomputer (7) makes controllable silicon output circuit (8) not provide power supply to load to the control end of controllable silicon output circuit (8), timer conter continues counting, returns second segmented program then; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in second segmented program, the central processing unit of single-chip microcomputer (7) judges that be night this moment, the sign at night then is set in the Status Flag register, numerical value in the timer conter is deposited in the numerical value register on daytime as new numerical value on daytime and the numerical value on daytime in the dialogue fate value register upgrades, the numerical value on daytime that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer (7); Again will this on new daytime numerical value sum at existing night in numerical value and the night numerical value register compare with the circadian time, if the absolute value of their difference was less than 1 hour, then the light modulation sign in the light modulation flag register is set to allow light modulation, set new time standard, move the working procedure at night then; If in this numerical value and the night numerical value register on new daytime existing night the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, then the light modulation sign in the light modulation flag register is set to not allow light modulation, original time standard is constant, moves the working procedure at night then;

6. during single-chip microcomputer (7) operation working procedure at night, have following segmented program: the first, timer conter makes zero and begins counting; The second, single-chip microcomputer (7) is become current energy-conservation time started analog signal conversion current energy-conservation time started digital signal, current energy-conservation concluding time analog signal conversion is become current energy-conservation concluding time digital signal, present output power percentage analog signal conversion is become present output power percentage figure signal by its corresponding analog to digital converter, and respectively these stored digital signals is gone in the relevant register by central processing unit; Single-chip microcomputer (7) also becomes current brightness digital signal by its corresponding analog to digital converter with current luma samples analog signal conversion; Three, single-chip microcomputer (7) compares current brightness digital signal and brightness settings, for the numerical value of current brightness digital signal comparative result greater than brightness settings, move the 5th segmented program, be equal to or less than the comparative result of brightness settings for the numerical value of current brightness digital signal, move the 4th segmented program; Four, be equal to or less than the comparative result of brightness settings for the numerical value of the current brightness digital signal in the 3rd segmented program, the central processing unit of single-chip microcomputer (7) judges that still be night this moment, the sign at night is set in the Status Flag register, whether timer conter continues counting, then to allowing light modulation to judge; If light modulation is masked as and does not allow light modulation, then make the illumination control signal output output high-high brightness of single-chip microcomputer (7) control signal to the control end of controllable silicon output circuit (8) and make controllable silicon output circuit (8) provide power supply, return second segmented program then to load; If light modulation is masked as the permission light modulation, central processing unit energy saving in running light level section then, which that also to be central processing unit fall into night to the current time according to time standard is judged time period, very first time section is to have entered night but also do not arrive between the energy-conservation time started, second time period was between energy-conservation time started and energy-conservation concluding time, and the 3rd time period was between energy-conservation concluding time and daytime; If the current time falls into very first time section, then make the illumination control signal output output high-high brightness of single-chip microcomputer (7) control signal to the control end of controllable silicon output circuit (8) and make controllable silicon output circuit (8) provide power supply, return second segmented program then to load; If the current time fell into for second time period, then central processing unit is according to the output of illumination control signal output and the corresponding control signal of power output percentage of power output percentage and zero cross signal control single chip computer (7), also promptly export one with the corresponding triggering signal of delaying of power output percentage, the silicon controlled angle of flow is reduced and load consumption power is reduced, return second segmented program then; If the current time fell into for the 3rd time period, then central processing unit makes single-chip microcomputer (7) control signal to the control end of controllable silicon output circuit (8) and make controllable silicon output circuit (8) provide power supply to load in its illumination control signal output output high-high brightness, returns second segmented program then; Five, for the numerical value of the current brightness digital signal in the 3rd segmented program comparative result greater than brightness settings, the central processing unit of single-chip microcomputer (7) judges that be daytime this moment, the sign on daytime is set in the Status Flag register, numerical value in the timer conter deposited in the numerical value register at night as new numerical value at night and the numerical value at night in the night numerical value register is upgraded, the numerical value at night that this is new writes in the electrically-erasable formula read-only memory of single-chip microcomputer (7); Again will this at new night numerical value sum on existing daytime in numerical value and the daytime numerical value register compare with the circadian time, if the absolute value of their difference was less than 1 hour, then the light modulation sign in the light modulation flag register is set to allow light modulation, set new time standard, move the program that works by day then; If in this numerical value and the daytime numerical value register at new night existing daytime the numerical value sum and the absolute value of circadian difference more than or equal to 1 hour, then the light modulation sign in the light modulation flag register is set to not allow light modulation, time standard originally is constant, moves the program that works by day then.

10, the control method of outdoor illumination intelligence light time controller according to claim 9, it is characterized in that: this controller also has indicating circuit (5) and current sampling circuit (6); Single-chip microcomputer (7) also has index signal output, load current sampled analog signal input part; Controllable silicon output circuit (8) also has the load current signal output; Indicating circuit (5) is made of resistance and light-emitting diode polyphone; One end of resistance links to each other with the index signal output of single-chip microcomputer (7), and the other end of resistance links to each other with the positive pole of light-emitting diode, and the negative pole of light-emitting diode connects power supply ground; Current sampling circuit (6) has power end, reference voltage sampled signal input, load current sampled signal input, load current sampled analog signal output part; The power supply output of power circuit (1) also links to each other with the power end of current sampling circuit (6); The load current signal output of controllable silicon output circuit (8) links to each other with the load current sampled signal input of current sampling circuit (6), the reference voltage sampled signal input of current sampling circuit (6) is the live wire link of this controller, and the load current sampled analog signal output part of current sampling circuit (6) links to each other with the load current sampled analog signal input part of single-chip microcomputer (7); Step 2. in, when each relevant circuit is transported to the respective input of single-chip microcomputer (7) with instant signal, comprise that also will sample the immediately load current analog signal that obtains of current sampling circuit (6) transported to the load current sampled analog signal input part of single-chip microcomputer (7) by its load current sampled analog signal output part; In step second segmented program 6., also comprise; In the energy-saving illumination block of step the 4th segmented program 6., if the current time falls into very first time section, then when central processing unit control makes the illumination control signal output output high-high brightness control signal of single-chip microcomputer (7), make the index signal output output of single-chip microcomputer (7) show it is the high level signal at night, and make the light-emitting diode Chang Liang of indicating circuit (5), central processing unit control single chip computer (7) changes into current load current sampled digital signal by its corresponding analog to digital converter with current load current sampled analog signal then, central processing unit should deposit in the current sampling signal register as total power lighting current sampled digital signal by current load current sampled digital signal, and then returns second segmented program; In the energy-saving illumination block of step the 4th segmented program 6., if the current time fell into for second time period, then when central processing unit control makes the output of illumination control signal output and the corresponding control signal of power output percentage of single-chip microcomputer (7), the index signal output output of single-chip microcomputer (7) is shown currently be night and carry out light modulation and reduce the square-wave signal of power output, and make indicator light glittering; After one of central processing unit control signal output and the corresponding triggering signal of delaying of power output percentage, central processing unit control single chip computer (7) changes into current load current sampled digital signal by its corresponding analog to digital converter with current load current sampled analog signal, central processing unit is compared current load current sampled digital signal with total power lighting current sampled digital signal, if its ratio is less than the power output percentage then reduce time of delaying of triggering signal, if its ratio greater than the power output percentage then increase time of delaying of triggering signal, equates with the power output percentage of setting up to this ratio; In the energy-saving illumination block of step the 4th segmented program 6., if the current time fell into for the 3rd time period, then when central processing unit control makes the illumination control signal output output high-high brightness control signal of single-chip microcomputer (7), make the index signal output output of single-chip microcomputer (7) show that current is the high level signal at night and make the light-emitting diode Chang Liang of indicating circuit (5).