CN102032523A - Energy-saving LED (light-emitting diode) street lamp - Google Patents
Energy-saving LED (light-emitting diode) street lamp Download PDFInfo
- Publication number
- CN102032523A CN102032523A CN2010102912263A CN201010291226A CN102032523A CN 102032523 A CN102032523 A CN 102032523A CN 2010102912263 A CN2010102912263 A CN 2010102912263A CN 201010291226 A CN201010291226 A CN 201010291226A CN 102032523 A CN102032523 A CN 102032523A
- Authority
- CN
- China
- Prior art keywords
- led
- bright
- group
- illumination
- drive circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/40—Control techniques providing energy savings, e.g. smart controller or presence detection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B20/00—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps
- Y02B20/72—Energy efficient lighting technologies, e.g. halogen lamps or gas discharge lamps in street lighting
Abstract
The invention discloses an energy-saving LED (light-emitting diode) street lamp, comprising a lamp body, wherein the lamp body is internally provided with a*b LEDs, and a is more than or equal to b. The street lamp also comprises an LED driving circuit used for driving the LEDs to emit light, a photosensitive inductive circuit and a controller and is characterized by comprising a clock module electrically connected with the controller, wherein the LED driving circuit and the photosensitive inductive circuit are all electrically connected with the controller, the LED driving circuit is controlled by the controller, and the controller controls the LED driving circuit according to the signal which indicates ambient illumination and is output by the photosensitive inductive circuit and the signal which is output by the clock module and indicates time. In the invention, a control method which combines photo control with time control is adopted, thus saving more energy. When in the extreme weather such as the sky is dark suddenly at noon, the lamp can respond and is turned on immediately, thus reducing inconvenience caused by the extreme weather to life of people.
Description
Technical field
The present invention relates to the LED street lamp.
Background technology
Along with the continuous consumption of the energy, the scarcity day by day of resource requires energy-saving and cost-reducing cry more and more higher in the world.The outdoor road lighting of China accounts for 30% of whole electric consumption on lighting amount, and is closely related with people's productive life.The LED street lamp is as the important application of outdoor lighting, its superiority following points:
1, the life-span of high-power LED street lamp long, can reach 5-10 ten thousand hours;
2, controlled to the uniformity of photoirradiated surface, can accomplish in theory in the target area that fully evenly this also can be avoided the light waste in conventional light source " bright under the lamp " phenomenon;
3, colour rendering index height, the energy-saving efficiency height, the LED street lamp of 120W is the sodium vapor lamp of alternative 400W usually.
The control of traditional lighting street lamp is to adopt the manual closing operation method, is promptly closed a main switch by operating personnel at dusk, opens bright street lamp, and m seq draws back electric brake by operating personnel again, closes street lamp.For operating personnel are freed from heavy combined floodgate, the work of operating a switch, employing is based on the automatic control method of time point, export a control signal in order to open bright street lamp by the time trigger in the time of at dusk, export a control signal in order to close street lamp by the time trigger early morning.In order to make road lighting hommization more, employing photoelectric intelligent control method had appearred afterwards, and it senses ambient light illumination by light-sensitive device, when illuminance value is lower than a certain brightness value, opens bright street lamp, when illuminance value is higher than a certain brightness value, closes street lamp.
Utility model ZL200920309046.6 discloses a kind of LED street lamp with intelligent light-controlled circuit.This LED street lamp also comprises the intelligent light-controlled circuit that inserts led drive circuit except that comprising led drive circuit and LED module, this intelligent light-controlled circuit comprises light-inductive circuit, intelligent chip control circuit and intelligent chip power supply circuits.The DC voltage VIN of outside input is by the intelligent chip power supply circuits, the voltage that is fit to the work of intelligent chip control circuit in its output output, the intelligent chip control circuit is started working under this voltage, the voltage signal that the light-inductive circuit transmission is come carries out analyzing and processing, sending control signal then controls described led drive circuit, and then the work of control LED module, make it provide suitable lighting system according to the light situation in the external world, saved the energy.This utility model has added intelligent light-controlled circuit in traditional LED street lighting circuit, when making extraneous brightness less than 2lx, the LED street lamp is lighted automatically, extraneous brightness is greater than 10lx, the LED street lamp cuts out automatically, reduces unnecessary waste when satisfying the traffic safety demand, has saved the energy.
Yet above-mentioned LED street lamp with intelligent light-controlled circuit only adopts intelligent light-controlled mode, and can only be in the state of standard-sized sheet or complete shut-down.
Summary of the invention
The objective of the invention is at the deficiencies in the prior art, a kind of light-operated energy-saving LED road lamp that combines with time control that adopts is provided.
The technical scheme that realizes the object of the invention is as follows:
A kind of energy-saving LED road lamp comprises lamp body, be provided with in the lamp body a capable * a b row LED, a 〉=b; Comprise and be used for the luminous led drive circuit of driving LED, light-inductive circuit and controller, led drive circuit and light-inductive circuit all are electrically connected with controller, led drive circuit is controlled by the controller, it is characterized in that: also comprise the clock module that is electrically connected with controller, controller is controlled led drive circuit according to the signal of the sign time that the signal and the clock module of the sign ambient light illumination of light-inductive circuit output are exported.
Further, a is capable * and a b row LED is divided into n LED group, and the LED number that each LED group comprises is identical, and the value of n is 2～6, led drive circuit comprises the output of n road, is independently between each road output, drives n LED respectively and organizes.
Further, a is the integer multiple of n, and the LED that i is capable all belongs to the j group, j=i mod n, and the value of i is 1～a.In the formula, mod accords with for getting remainder operation, as 1mod 4=1, and 7mod 4=3,12mod 4=0.
Further, also comprise the memory that is electrically connected with controller.Memory is used for storing control parameter, as parameters such as the first illumination threshold value, the second illumination threshold value, the 3rd illumination threshold value, the 4th illumination threshold value, very first time threshold value, second time thresholds, these parameters can be set and be stored in the memory according to actual needs.
Further, n=4 promptly is divided into 4 LED groups, and controller is as follows to the control method of led drive circuit:
(A1) if ambient light illumination less than the first illumination threshold value, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than the second illumination threshold value, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than the 3rd illumination threshold value, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than the 4th illumination threshold value, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination greater than the 4th illumination threshold value, changes step (C8) over to; Otherwise enter into next step;
(B6) if time is up reaches very first time thresholding, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step; Otherwise turn back to step (B5); Usually very first time threshold value is made as between 22 point～24;
(B7) greater than the 4th illumination threshold value the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to;
Wherein, the first illumination thresholding＜second illumination thresholding＜the 3rd illumination thresholding＜the 4th illumination thresholding.
Open the bright time dimension weighing apparatus that maintains an equal level for what make each LED group, be provided with in the memory and be used to deposit j LED group and open the memory cell Sj of bright time, its value is designated as Vj, and Sj takies 1 or 2 bytes, it is every through 1 hour that j LED group opens the bright time, then carries out the operation of Vj=Vj+1; 1 byte is 8 bits, if Sj takies 4 bits, the value of Vj is just between 0 to 15, when Vj=15 so, according to common operation rule, after carrying out Vj=Vj+1, Vj=0 is because the circulation radix is 16 less than normal, therefore be not suitable for, if Sj takies 1 byte, the radix that then circulates is 256, opens the bright time dimension weighing apparatus that maintains an equal level according to what following control method can guarantee each LED group; The control method that opens bright energy-saving LED road lamp is as follows:
(1) full closing state descends or opens entirely under the bright state: if open bright 1 LED group, then find out 1 minimum of a value in V1, V2, V3 and V0, a plurality of values among V1, V2, V3 and the V0 are all minimum of a value, then get wherein 1 minimum of a value, according to block Vmin=V0; Zmin=0; For (j=1; J＜4; J++) { IF Vmin＞Vj{Vmin=Vj; Zmin=j; Can take out a sequence number of minimum of a value correspondence, this LED group of Qi Liang; If open bright 2 LED group, if 1 minimum of a value among V1, V2, V3 and the V0 is V1 or V3, then open bright the 1st group and the 3rd group, otherwise open bright the 2nd group and the 0th group; If open bright 3 LED group, then in V1, V2, V3 and V0, find out 1 maximum, if a plurality of value is all maximum, get wherein 1 maximum, outside this LED group of Qi Liang other 3 groups;
(2) 1 LED groups have opened under the bright state: if open bright 1 LED group, then keep this group and open bright; If open bright 2 LED group, then keep this group and open bright the time again that the principle according to " with being idol " opens bright 1 LED group again; The principle of " with being idol " be exactly the sequence number sum that opens bright 2 LED group be even number, thereby make the illumination on ground even substantially; If open bright 3 LED group, then find out 3 and do not open corresponding 1 maximum that opens the bright time of bright LED group, 3 LED groups of other outside the LED group of this maximum correspondence of Qi Liang;
(3) 2 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 smaller value correspondence opens bright, if the bright time of opening of two LED groups equates, promptly think and be all smaller value, get wherein that any gets final product, realize easily with procedure auto-control; If open bright 3 LED group, then do not open opening the bright time of bright LED group, the LED group of keeping 1 higher value correspondence does not open bright, if the bright time of opening of two LED groups equates, promptly think to be all higher value, get wherein that any gets final product, realize easily with procedure auto-control;
(4) 3 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 minimum of a value correspondence opens bright; If open bright 2 LED group, keeping wherein according to the principle of " with being idol " in opening 3 bright LED groups, 2 LED groups open bright.
For expense further energy-conservation and that save cable laying, energy-saving LED road lamp of the present invention also comprises solar powered module, solar powered module is electrically connected with led drive circuit, solar powered module is electrically connected with controller, and the parts that all of energy-saving LED road lamp need be powered are by solar powered module for power supply.
Further, controller is also controlled led drive circuit according to the electric weight that solar powered module is stored.
Further, n=4, controller is as follows to the control method of led drive circuit:
(A1) if ambient light illumination less than the first illumination threshold value, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than the second illumination threshold value, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than the 3rd illumination threshold value, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than the 4th illumination threshold value, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination greater than the 4th illumination threshold value, changes step (C8) over to; Otherwise enter into next step;
(B5.1) if time is up reaches the second time thresholding, enter into next step; Otherwise return step (B5); Common second time threshold is made as between 20 point～21;
(B5.2) whether the electric weight stored of the solar powered module of prediction is sufficient, if sufficient, enters into next step; Otherwise change step (D9) over to;
(B6.1) stand-by period arrives very first time thresholding, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(B7) greater than the 4th illumination threshold value the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to;
(D9) prediction is if the very first time begins to open bright 1 LED group during threshold value, and enough electricity whether are if enough electricity enter into next step; Otherwise change step (D11) over to;
(D10) stand-by period arrives very first time thresholding, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(D11) predict that opening bright 1 LED since the current time organizes, whether enough electric, if enough electric, enter into next step; Otherwise change step (D14) over to;
(D12) prediction X begins only to open bright 1 LED group constantly, and just enough electricity enter into next step;
(D13) stand-by period arrives X constantly, enters into next step;
(D14) the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group;
(D15) up to ambient light illumination greater than the second illumination threshold value time, the electric currents of 4 tunnel outputs of controller control led drive circuit are 0 entirely, thereby the contract fully energy-saving LED road lamp enters into next step;
(D16) greater than the 4th illumination threshold value the time, change step (A1) up to ambient light illumination over to;
Wherein, the first illumination thresholding＜second illumination thresholding＜the 3rd illumination thresholding＜the 4th illumination thresholding.
Whether the electric weight that the solar powered module of prediction is stored in the step (B5.2) is sufficient, can set the 3rd a fixing time threshold, as point in mornings 6; { (very first time threshold value-second time threshold) * total power+(the 3rd time threshold+24-very first time threshold value) * total power * 0.5} can dope the electric weight that also needed that night, and the electric weight of storing with solar powered module compares and can judge whether abundance.Yet because the time of the sunrise sunset of spring, summer, autumn and winter has than large deviation, therefore the 3rd fixing time threshold can cause bigger deviation, therefore in order to make prediction more accurate, controller gives record to the ambient light illumination situation of energy-saving LED road lamp, and be stored in memory, it comprises following data at least: morning on the same day by low toward promotion to the second illumination threshold value the moment and morning on the same day by the low moment toward promotion to the four illumination threshold values, controller predicts according to the ambient light illumination situation in morning on the same day whether the electric weight that solar powered module stores sufficient.In general, the ambient light illumination situation in the ambient light illumination in morning next day and morning on the same day was basic identical, therefore predicted just passable with one day ambient light illumination situation.(very first time threshold value-second time threshold) * total power+(morning on the same day by low toward promotion to the four illumination threshold values the moment+24-very first time threshold value) * total power * 0.5} can dope the electric weight that also needed that night, the electric weight of storing with solar powered module compares and can judge whether abundance.
Compared with prior art, the present invention has following beneficial effect:
(1) the present invention adopts the light-operated control method that combines with time control, and is more energy-conservation.
(2) the present invention is divided into many groups to the LED in the LED street lamp, makes control more flexible.
(3) extreme case occurring, very dark suddenly as the meridian hour, simple control method provided by the invention can open bright LED street lamp at once, thereby reduces the inconvenience that this extreme weather causes people's life.
(4) LED in the LED street lamp is divided into many groups equably by row, makes the LED street lamp even substantially the illumination on ground.
(5) the present invention adopts solar powered module to drive, and can save the time and the expense of cable laying, does not need to consume the electric energy of electrical network, and energy-saving benefit is remarkable.
(6) when adopting solar powered module to drive, adopts light-operated, time control and control the light on and off that each LED of LED street lamp organizes in conjunction with the electric weight that solar powered module is stored; Ensure the best social benefit of street lamp realization when thereby the electric weight that makes the solar powered module of continuous rainy weather is not enough.
Description of drawings
Fig. 1 is a kind of structured flowchart schematic diagram of the present invention;
Fig. 2 is an another kind of structured flowchart schematic diagram of the present invention;
Fig. 3 is a kind of structural representation of LED road lamp body; Among the figure, 0: the 0 LED group; 1: the 1 LED group; 2: the 2 LED groups; 3: the 3 LED groups; 6: lamp body; 7:LED;
Fig. 4 is a kind of concrete control flow chart;
Fig. 5 is one of another kind of concrete control flow chart;
Fig. 6 is two of the concrete control flow chart of another kind.
The specific embodiment
Below in conjunction with drawings and Examples the present invention is done explanation in further detail.
As shown in Figure 1, a kind of energy-saving LED road lamp, comprise and be used for the luminous led drive circuit of driving LED, light-inductive circuit, memory and controller, led drive circuit, memory and light-inductive circuit all are electrically connected with controller, led drive circuit is controlled by the controller, also comprise the clock module that is electrically connected with controller, controller is controlled led drive circuit according to the signal of the sign time that the signal and the clock module of the sign ambient light illumination of light-inductive circuit output are exported.Led drive circuit comprises that the n road independently exports, and the LED street lamp is divided into n LED group, and per 1 the tunnel independently exports and drives 1 LED group.In the present embodiment, n gets 4.
As shown in Figure 3, a kind of lamp body 6, its built-in 12 row * 10 row LED7, if the power of each LED is 1W, then the power of whole LED street lamp is 120W; Be divided into 4 groups, the 1st group of the 1st, 5,9 behavior, the 2nd group of the 2nd, 6,10 behavior, the 3rd group of the 3rd, 7,11 behavior, the 0th group of the 4th, 8,12 behavior by being about to LED7.
As shown in Figure 4, illumination threshold value and time threshold can be set according to actual needs, and in the present embodiment, the first illumination threshold value is 1lx, and the second illumination threshold value is 5lx, and the 3rd illumination threshold value is 10lx, and the 4th illumination threshold value is 15lx, and very first time threshold value is 23 points; Controller is as follows to the control method of led drive circuit:
(A1), if ambient light illumination less than 1lx, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than 5lx, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than 10lx, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than 15lx, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination, changes step (C8) over to greater than 15lx; Otherwise enter into next step;
(B6) if time is up reaches 23 points, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step; Otherwise turn back to step (B5);
(B7) greater than 15lx the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to.
Be provided with in the memory and be used to deposit j LED group and open the memory cell Sj of bright time, its value is designated as Vj, and Sj takies 1 byte, and j LED organizes that to open the bright time every through 1 hour, then carries out the operation of Vj=Vj+ 1; The control method that opens bright energy-saving LED road lamp is as follows:
(1) full closing state descends or opens entirely under the bright state: if open bright 1 LED group, then find out 1 minimum of a value in V1, V2, V3 and V0, this LED group of Qi Liang; If open bright 2 LED group, if 1 minimum of a value among V1, V2, V3 and the V0 is V1 or V3, then open bright the 1st group and the 3rd group, otherwise open bright the 2nd group and the 0th group; If open bright 3 LED group, then in V1, V2, V3 and V0, find out 1 maximum, outside this LED group of Qi Liang other 3 groups;
(2) 1 LED groups have opened under the bright state: if open bright 1 LED group, then keep this group and open bright; If open bright 2 LED group, then keep this group and open bright the time again that the principle according to " with being idol " opens bright 1 LED group again; If open bright 3 LED group, then find out 3 and do not open corresponding 1 maximum that opens the bright time of bright LED group, 3 LED groups of other outside the LED group of this maximum correspondence of Qi Liang;
(3) 2 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 smaller value correspondence opens bright; If open bright 3 LED group, then do not open opening the bright time of bright LED group, the LED group of keeping 1 higher value correspondence does not open bright;
(4) 3 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 minimum of a value correspondence opens bright; If open bright 2 LED group, keeping wherein according to the principle of " with being idol " in opening 3 bright LED groups, 2 LED groups open bright.
Compare with embodiment 1, difference is that present embodiment increases solar powered module, its structural representation block diagram as shown in Figure 2, solar powered module is electrically connected with led drive circuit, solar powered module is electrically connected with controller, and the parts that all of energy-saving LED road lamp need be powered are by solar powered module for power supply.Controller is also controlled led drive circuit according to the electric weight that solar powered module is stored.
In the present embodiment, the first illumination threshold value is 1lx, and the second illumination threshold value is 5lx, and the 3rd illumination threshold value is 10lx, and the 4th illumination threshold value is 15lx, and very first time threshold value is 23 points, and second time threshold is 20 points; As Fig. 5, shown in Figure 6, controller is as follows to the control method of led drive circuit:
(A1) if ambient light illumination less than 1lx, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than 5lx, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than 10lx, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than 15lx, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination, changes step (C8) over to greater than 15lx; Otherwise enter into next step;
(B5.1) if time is up reaches 20 points, enter into next step; Otherwise return step (B5);
(B5.2) whether the electric weight stored of the solar powered module of prediction is sufficient, if sufficient, enters into next step; Otherwise change step (D9) over to;
(B6.1) stand-by period arrives 23 points, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(B7) greater than 15lx the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to;
Whether (D9) prediction begins to open bright 1 LED group as if 23, enough electric, if enough electric, enters into next step; Otherwise change step (D11) over to;
(D10) stand-by period arrives 23 points, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(D11) predict that opening bright 1 LED since the current time organizes, whether enough electric, if enough electric, enter into next step; Otherwise change step (D14) over to;
(D12) prediction X begins only to open bright 1 LED group constantly, and just enough electricity enter into next step;
(D13) stand-by period arrives X constantly, enters into next step;
(D14) the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group;
(D15) up to ambient light illumination greater than 5lx the time, the electric currents of 4 tunnel outputs of controller control led drive circuit are 0 entirely, thereby the contract fully energy-saving LED road lamp enters into next step;
(D16) greater than 15lx the time, change step (A1) up to ambient light illumination over to.
In order to predict more accurately, controller gives record to the ambient light illumination situation of energy-saving LED road lamp, and be stored in memory, it comprises following data at least: morning on the same day by low toward promotion to the second illumination threshold value the moment and morning on the same day by the low moment toward promotion to the four illumination threshold values, controller is predicted the electric weight that solar powered module stores according to the ambient light illumination situation, and whether abundance will be more accurate.
Whether the electric weight that the solar powered module of prediction is stored in step (B5.2) is sufficient, according to predicting by the low moment morning on the same day toward promotion to the four illumination threshold values, in step (D9), (D11), (D12), then according to the moment of morning on the same day by low past promotion to the second illumination threshold value, such predicting the outcome will be accurate relatively.
The control method that present embodiment opens bright energy-saving LED road lamp is identical with embodiment 1.
Claims (10)
1. an energy-saving LED road lamp comprises lamp body, be provided with in the lamp body a capable * a b row LED, a 〉=b; Comprise and be used for the luminous led drive circuit of driving LED, light-inductive circuit and controller, led drive circuit and light-inductive circuit all are electrically connected with controller, led drive circuit is controlled by the controller, it is characterized in that: also comprise the clock module that is electrically connected with controller, controller is controlled led drive circuit according to the signal of the sign time that the signal and the clock module of the sign ambient light illumination of light-inductive circuit output are exported.
2. energy-saving LED road lamp according to claim 1 is characterized in that: and a is capable * and a b row LED is divided into n LED group, and it is identical that each LED organizes the LED number that comprises, the value of n is 2～6, led drive circuit comprises the output of n road, is independently between each road output, drives n LED group respectively.
3. energy-saving LED road lamp according to claim 2 is characterized in that: a is the integer multiple of n, and the LED that i is capable all belongs to the j group, j=i mod n, and the value of i is 1～a.
4. energy-saving LED road lamp according to claim 3 is characterized in that: also comprise the memory that is electrically connected with controller.
5. energy-saving LED road lamp according to claim 4 is characterized in that: n=4, and controller is as follows to the control method of led drive circuit:
(A1) if ambient light illumination less than the first illumination threshold value, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than the second illumination threshold value, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than the 3rd illumination threshold value, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than the 4th illumination threshold value, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination greater than the 4th illumination threshold value, changes step (C8) over to; Otherwise enter into next step;
(B6) if time is up reaches very first time thresholding, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step; Otherwise turn back to step (B5);
(B7) greater than the 4th illumination threshold value the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to;
Wherein, the first illumination thresholding＜second illumination thresholding＜the 3rd illumination thresholding＜the 4th illumination thresholding.
6. energy-saving LED road lamp according to claim 5, it is characterized in that: be provided with in the memory and be used to deposit j LED group and open the memory cell sj of bright time, its value is designated as Vj, and Sj takies 1 or 2 bytes, it is every through 1 hour that j LED group opens the bright time, then carries out the operation of Vj=Vj+1; The control method that opens bright energy-saving LED road lamp is as follows:
(1) full closing state descends or opens entirely under the bright state: if open bright 1 LED group, then find out 1 minimum of a value in V1, V2, V3 and V0, this LED group of Qi Liang; If open bright 2 LED group, if 1 minimum of a value among V1, V2, V3 and the V0 is V1 or V3, then open bright the 1st group and the 3rd group, otherwise open bright the 2nd group and the 0th group; If open bright 3 LED group, then in V1, V2, V3 and V0, find out 1 maximum, outside this LED group of Qi Liang other 3 groups;
(2) 1 LED groups have opened under the bright state: if open bright 1 LED group, then keep this group and open bright; If open bright 2 LED group, then keep this group and open bright the time again that the principle according to " with being idol " opens bright 1 LED group again; If open bright 3 LED group, then find out 3 and do not open corresponding 1 maximum that opens the bright time of bright LED group, 3 LED groups of other outside the LED group of this maximum correspondence of Qi Liang;
(3) 2 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 smaller value correspondence opens bright; If open bright 3 LED group, then do not open opening the bright time of bright LED group, the LED group of keeping 1 higher value correspondence does not open bright;
(4) 3 LED groups have opened under the bright state: if open bright 1 LED group, then opened opening the bright time of bright LED group more, the LED group of keeping 1 minimum of a value correspondence opens bright; If open bright 2 LED group, keeping wherein according to the principle of " with being idol " in opening 3 bright LED groups, 2 LED groups open bright.
7. energy-saving LED road lamp according to claim 4, it is characterized in that: comprise solar powered module, solar powered module is electrically connected with led drive circuit, solar powered module is electrically connected with controller, and the parts that all of energy-saving LED road lamp need be powered are by solar powered module for power supply.
8. energy-saving LED road lamp according to claim 7 is characterized in that: controller is also controlled led drive circuit according to the electric weight that solar powered module is stored.
9. energy-saving LED road lamp according to claim 8 is characterized in that: n=4, and controller is as follows to the control method of led drive circuit:
(A1) if ambient light illumination less than the first illumination threshold value, thereby then 4 tunnel of controller control led drive circuit outputs are all exported rated current and are opened bright energy-saving LED road lamp entirely, change step (B5) over to; Otherwise enter into next step;
(A2) if ambient light illumination less than the second illumination threshold value, then the wherein electric currents of 3 tunnel outputs of controller control led drive circuit are rated current and the electric current of other 1 tunnel output is 0, thereby open bright 3 LED group, change step (A1) over to; Otherwise enter into next step;
(A3) if ambient light illumination less than the 3rd illumination threshold value, then the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are rated current and the electric currents of other 2 tunnel outputs are 0, thereby open bright 2 LED group, change step (A1) over to; Otherwise enter into next step;
(A4) if ambient light illumination less than the 4th illumination threshold value, then the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group, changes step (A1) over to; Otherwise change step (C8) over to;
(B5) if ambient light illumination greater than the 4th illumination threshold value, changes step (C8) over to; Otherwise enter into next step;
(B5.1) if time is up reaches the second time thresholding, enter into next step; Otherwise return step (B5);
(B5.2) whether the electric weight stored of the solar powered module of prediction is sufficient, if sufficient, enters into next step; Otherwise change step (D9) over to;
(B6.1) stand-by period arrives very first time thresholding, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(B7) greater than the 4th illumination threshold value the time, enter into next step up to ambient light illumination;
(C8) electric current of 4 tunnel outputs of controller control led drive circuit is 0 entirely, thereby the contract fully energy-saving LED road lamp changes step (A1) over to;
(D9) prediction is if the very first time begins to open bright 1 LED group during threshold value, and enough electricity whether are if enough electricity enter into next step; Otherwise change step (D11) over to;
(D10) stand-by period arrives very first time thresholding, and the wherein electric currents of 2 tunnel outputs of controller control led drive circuit are 0 and the electric currents of other 2 tunnel outputs remain unchanged, thereby only open bright 2 LED group, enter into next step;
(D11) predict that opening bright 1 LED since the current time organizes, whether enough electric, if enough electric, enter into next step; Otherwise change step (D14) over to;
(D12) prediction X begins only to open bright 1 LED group constantly, and just enough electricity enter into next step;
(D13) stand-by period arrives X constantly, enters into next step;
(D14) the wherein electric current of 1 tunnel output of controller control led drive circuit is a rated current and the electric currents of other 3 tunnel outputs are 0, thereby opens bright 1 LED group;
(D15) up to ambient light illumination greater than the second illumination threshold value time, the electric currents of 4 tunnel outputs of controller control led drive circuit are 0 entirely, thereby the contract fully energy-saving LED road lamp enters into next step;
(D16) greater than the 4th illumination threshold value the time, change step (A1) up to ambient light illumination over to;
Wherein, the first illumination thresholding＜second illumination thresholding＜the 3rd illumination thresholding＜the 4th illumination thresholding.
10. energy-saving LED road lamp according to claim 9, it is characterized in that: controller gives record to the ambient light illumination situation of energy-saving LED road lamp, and be stored in memory, it comprises following data at least: morning on the same day by low toward promotion to the second illumination threshold value the moment and morning on the same day by the low moment toward promotion to the four illumination threshold values, controller predicts according to the ambient light illumination situation whether the electric weight that solar powered module stores sufficient.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102912263A CN102032523B (en) | 2010-09-21 | 2010-09-21 | Energy-saving LED (light-emitting diode) street lamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010102912263A CN102032523B (en) | 2010-09-21 | 2010-09-21 | Energy-saving LED (light-emitting diode) street lamp |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110431144.9A Division CN102523656B (en) | 2010-09-21 | 2010-09-21 | Energy saving LED street lamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102032523A true CN102032523A (en) | 2011-04-27 |
| CN102032523B CN102032523B (en) | 2012-05-09 |
Family
ID=43885774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010102912263A Expired - Fee Related CN102032523B (en) | 2010-09-21 | 2010-09-21 | Energy-saving LED (light-emitting diode) street lamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102032523B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196640A (en) * | 2011-05-20 | 2011-09-21 | 杭州璞莱科技有限公司 | Control circuit of LED (light-emitting diode) lights and light strings |
| CN102644891A (en) * | 2012-04-12 | 2012-08-22 | 华南理工大学 | High-power LED (light-emitting diode) street lamp and control method thereof |
| CN103313465A (en) * | 2013-03-14 | 2013-09-18 | 陈幼珠 | Method and device for controlling light induction lamp |
| CN103987172A (en) * | 2014-05-19 | 2014-08-13 | 宁波市爱使电器有限公司 | Illumination intensity control method of combined LED street lamp |
| CN106941756A (en) * | 2017-04-26 | 2017-07-11 | 浙江光隶新能源科技有限公司 | The control system and control method of a kind of light energy lamp |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357352Y (en) * | 1998-10-20 | 2000-01-05 | 梁民鑫 | Intelligent electricity-saving road lamp controller |
| CN201303448Y (en) * | 2008-11-07 | 2009-09-02 | 中国科学院广州能源研究所 | Energy-saving control circuit of LED road lamp with large power |
| JP2010114977A (en) * | 2008-11-05 | 2010-05-20 | Kiyoshi Kamisaka | Streetlight power supply system |
| CN101737698A (en) * | 2008-11-04 | 2010-06-16 | 唐世福 | Solar night timing lamp circuit |
| US20100164384A1 (en) * | 2008-12-27 | 2010-07-01 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Illumination system |
| CN201561358U (en) * | 2009-12-14 | 2010-08-25 | 嘉兴学院 | Solar photoelectric lighting system with intelligent control |
-
2010
- 2010-09-21 CN CN2010102912263A patent/CN102032523B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2357352Y (en) * | 1998-10-20 | 2000-01-05 | 梁民鑫 | Intelligent electricity-saving road lamp controller |
| CN101737698A (en) * | 2008-11-04 | 2010-06-16 | 唐世福 | Solar night timing lamp circuit |
| JP2010114977A (en) * | 2008-11-05 | 2010-05-20 | Kiyoshi Kamisaka | Streetlight power supply system |
| CN201303448Y (en) * | 2008-11-07 | 2009-09-02 | 中国科学院广州能源研究所 | Energy-saving control circuit of LED road lamp with large power |
| US20100164384A1 (en) * | 2008-12-27 | 2010-07-01 | Fu Zhun Precision Industry (Shen Zhen) Co., Ltd. | Illumination system |
| CN201561358U (en) * | 2009-12-14 | 2010-08-25 | 嘉兴学院 | Solar photoelectric lighting system with intelligent control |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102196640A (en) * | 2011-05-20 | 2011-09-21 | 杭州璞莱科技有限公司 | Control circuit of LED (light-emitting diode) lights and light strings |
| CN102196640B (en) * | 2011-05-20 | 2014-03-12 | 杭州璞莱科技有限公司 | Control circuit of LED (light-emitting diode) lights and light strings |
| CN102644891A (en) * | 2012-04-12 | 2012-08-22 | 华南理工大学 | High-power LED (light-emitting diode) street lamp and control method thereof |
| CN103313465A (en) * | 2013-03-14 | 2013-09-18 | 陈幼珠 | Method and device for controlling light induction lamp |
| CN103987172A (en) * | 2014-05-19 | 2014-08-13 | 宁波市爱使电器有限公司 | Illumination intensity control method of combined LED street lamp |
| CN103987172B (en) * | 2014-05-19 | 2016-10-05 | 宁波市爱使电器有限公司 | The intensity of illumination control method of combined type LED road lamp |
| CN106941756A (en) * | 2017-04-26 | 2017-07-11 | 浙江光隶新能源科技有限公司 | The control system and control method of a kind of light energy lamp |
| CN106941756B (en) * | 2017-04-26 | 2023-09-19 | 光隶新能源（南平）科技有限公司 | Control system and control method of light energy lamp |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102032523B (en) | 2012-05-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202396048U (en) | Solar street lamp intelligent monitoring system based on Internet of things | |
| CN103889122B (en) | A kind of control system of solar street light | |
| CN102032523B (en) | Energy-saving LED (light-emitting diode) street lamp | |
| CN201774718U (en) | Tunnel illumination control system with capability of automatic regulation | |
| CN101545616A (en) | Street lamp illumination automatic controller and street lamp illumination control method | |
| CN101936496A (en) | Solar LED street lamp and intelligent control method thereof | |
| CN104406119A (en) | Solar intelligent illuminating system | |
| CN201039533Y (en) | A time division and automatic LED road lamp controller | |
| CN102083260A (en) | Light emitting diode LED street lamp control method | |
| CN200950684Y (en) | Energy-saving LED road lamp lighting control system | |
| CN201827805U (en) | Energy-saving LED street lamp | |
| CN204350396U (en) | A kind of energy-saving street lamp control system | |
| CN102523656B (en) | Energy saving LED street lamp | |
| CN203219571U (en) | LED lamp control device powered by solar energy | |
| CN203261530U (en) | Light modulation color modulation type LED solar energy street lamp controller | |
| CN100388867C (en) | Light source circuit of white light diode solar pole light | |
| CN213522452U (en) | Energy-saving LED street lamp intelligent control system | |
| CN201787473U (en) | Solar light emitting diode street lamp | |
| CN201742597U (en) | Anti-lightning type LED lighting remote intelligent control driving power supply | |
| CN201475848U (en) | Solar LED lamp | |
| CN2676559Y (en) | Semiconductor LED solar energy street lamp control circuit | |
| CN203814026U (en) | Light-operated LED illumination system based on solar energy | |
| CN201237139Y (en) | Automatic power-regulating solar LED road lamp | |
| CN202750289U (en) | Zigbee-based controller for solar street lamps | |
| CN204046861U (en) | A kind of Energy-Efficient Led Street Lamp |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20110427 Assignee: Anhui Sino Chen Optoelectronic Technology Co.,Ltd. Assignor: South China University of Technology Contract record no.: 2012340000320 Denomination of invention: Energy-saving LED (light-emitting diode) street lamp Granted publication date: 20120509 License type: Exclusive License Record date: 20120913 |
|
| LICC | Enforcement, change and cancellation of record of contracts on the licence for exploitation of a patent or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120509 Termination date: 20170921 |