CN201352865Y - Solar street light controller - Google Patents
Solar street light controller Download PDFInfo
- Publication number
- CN201352865Y CN201352865Y CNU2008203021048U CN200820302104U CN201352865Y CN 201352865 Y CN201352865 Y CN 201352865Y CN U2008203021048 U CNU2008203021048 U CN U2008203021048U CN 200820302104 U CN200820302104 U CN 200820302104U CN 201352865 Y CN201352865 Y CN 201352865Y
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- control circuit
- circuit
- street lamp
- light source
- solar
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- 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
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- 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
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- Circuit Arrangement For Electric Light Sources In General (AREA)
Abstract
A solar street light controller comprises a charge-discharge control circuit, a photosensitive control circuit, a pedestrian detecting control circuit and a timing control circuit. In day time, a solar battery charges an accumulator battery through the charge-discharge control circuit; at night, no pedestrian passes by, the street light runs with reduced power. Only when a pedestrian passes by, the output of the pedestrian detecting control circuit varies to lead the street light to run at full power. The solar street light controller has the advantages of reducing electricity consumption of street lights when applied to solar street lights, not only bringing convenience to pedestrians, but exhibiting street light view, and remarkably improving the efficiency of solar street lights.
Description
Technical field
The utility model relates to a kind of solar street light control device, especially can regulate the solar street lamp controller of electric light source power according to natural lighting, time, Pedestrians and vehicles state automatically.
Background technology
Because solar-photovoltaic technology is progressively ripe, the popularization of solar street light has formed scale, and its control circuit technology also is gradually improved.At present, known solar street lamp controller is made up of charge-discharge control circuit, photosensitive control circuit, timing control circuit, light source driving circuit.Solar module is converted to electric energy with the radiant energy of the sun, and deliver in the storage battery by controller and to store, to night, the action of the light control functionality of controller, electricity of accumulator realizes the effect of turning on light automatically night and throwing light on by the work of controller circuitry driving light source.For improving the efficient of device, also joining day controlled function in controller circuitry of people is arranged, turn-off light source power supply in the second half of the night, to save the storage battery electric energy.
The application for a patent for invention of publication number CN 101203080A discloses a kind of solar street lamp controller, by microprocessor different period adjustment lamp body brightness is set.
The utility model patent of patent No. ZL 200620130442.9 discloses a kind of solar street light, its controller by light-operated, the time control circuit contrast bright lamp automatic switch control.
In the above-mentioned prior art, light-operated, the application of time controller in solar street lamp controller improved the operating efficiency of solar street light really.But service object's----pedestrian of street lamp has all been ignored in these designs.Street lamp is except that landscape function, and major function is to be passer-by's illumination, and the solar street light under the prior art does not have or not the pedestrian on the pipeline, as long as darkness, as long as to presetting the period, light-operated, the time control circuit just turn on light long-time power consumption automatically.Since current solar photovoltaic battery component cost an arm and a leg and batteries recycle short-lived, the waste of above-mentioned street lamp power consumption, very considerable to the influence of the whole investment of solar street light usefulness.In addition, the defective of control circuit is in the time of in the existing solar street lamp controller: control circuit turn-offs street lamp by presetting the period in the time of after midnight, if having the pedestrian way mistake this moment just, will can not get the service of street lighting, and this runs counter to street lamp design original intention.
Summary of the invention
For overcome existing solar street lamp controller during light-operated, time control are turned on light no matter have or not the pedestrian by and turn on light without exception, and the time control circuit blocking interval defective of but not turning on light when the pedestrian is arranged, the utility model provides a kind of solar street lamp controller, this controller is not only realized turning off the light automatically daytime, and from controlled charging, turn on light evening automatically, and realize evening unmanned by the time light source downrating, when someone passed through, no matter whether the time control circuit start, the full power operation of turning on light without exception.
The technical scheme that its technical problem that solves the utility model adopts is:
Increased pedestrian detection control circuit and street lamp power control circuit in control circuit, its circuit connecting relation is the output of pedestrian detection control circuit by the light source driving circuit of street lamp power control circuit control solar street light.Street lamp power control circuit in the controller by the full power control circuit with fall power control circuit and constitute.In controller, also comprised timing control circuit.
On the solar street light lamp stand pedestrian detector is installed, its investigative range is adjusted at street lamp along in the road front and rear direction certain distance.Described pedestrian detector can directly be quoted the outdoor version intrusion detector of prior art.If pedestrian's walking or all need discern by bus the time can be selected known microwave Doppler detector for use; If when only needing the pedestrian of identification walking, can adopt known passive type infrared thermal release electric detector.
In solar street lamp controller, charge-discharge control circuit, photosensitive control circuit are arranged, also timing control circuit can be set as required.The utility model increases the pedestrian detection control circuit, forms new controller for road lamp circuit jointly with charge-discharge control circuit, photosensitive control circuit, timing control circuit.
As photometry sensor, when illumination is below or above set point, drive photosensitive control circuit output varying level value with the light-sensitive device of solar cell itself or in addition configuration.Timing control circuit is at the lighting time of setting and the different level value of time output of turning off the light.And pedestrian detector is when having the people to pass through, and its output signal changes.The output level of these height conversion, the controlled condition of composition street lamp operating state, the circuit logic relation control street lamp of foundation design is transformed in respectively turns off the light, falls states such as power is turned on light, full power is turned on light, and controls the charging and discharging of accumulator state.
On daytime, when natural daylight illumination was higher than set point, the photometry sensor signal was handled through amplification, comparison circuit, caused the photosensitive control circuit output level to change, and the control charge-discharge circuit makes the photovoltaic cell group to battery charging.
Evening, when natural daylight illumination is lower than set point, the photosensitive control circuit output level changes again, make charge-discharge circuit control batteries to pedestrian detection control circuit, street lamp power control circuit, the power supply of light source driving circuit even load, in the period that timing control circuit is set, street lamp power control circuit control light source driving circuit and electric light source downrating.When certain street lamp had the pedestrian to pass through, pedestrian detector produced identification signal, and pedestrian detection control circuit output level is changed, and then control street lamp power control circuit, made light source driving circuit and electric light source be converted to the full power operation.The pedestrian leaves the detector induction range, and the pedestrian detection control circuit returns normality, and through circuit delay, light source driving circuit and electric light source return the downrating state.Circuit delay described here partly is known delay circuit.
The control mode of above-mentioned electric light source power can be the quantity that electric light source is opened in the control lighting device, also can be the driving power of control electric light source integral body.When controlling the driving power of electric light source integral body,, can take technique known modes such as Current Control, voltage control, pulse width modulation controlled at the performance of different electric light sources.
The beneficial effects of the utility model are, form rational solar street lamp controller by photosensitive control circuit, charge-discharge control circuit, timing control circuit, pedestrian detection control circuit etc., can reduce the street lamp power consumption when being applied in the solar street light engineering, both made things convenient for the pedestrian at night, show the street lamp view again, significantly improve the efficient of solar street light, particularly at unfrequented remote road, its power savings is more remarkable.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further specified.
Fig. 1 is the utility model circuit side connector block diagram.
Fig. 2 is the utility model circuit working program flow diagram.
Fig. 3 is a kind of embodiment circuit diagram of the utility model.
Among Fig. 1: 1. solar module, 2. batteries, 3. light sensor, 4. pedestrian detector, 5. light source driving circuit, 6. electric light source, 7. charge-discharge control circuit, 8. photosensitive control circuit, 9. pedestrian detection control circuit, 10. timing control circuit, 11. street lamp power control circuits.
Embodiment
Fig. 1 has shown the annexation of each circuit function module of the utility model, and Fig. 2 has shown the logical relation of base program flow process of the present utility model and each control circuit and street lamp operating state.Among the figure, solar module (1) charges to batteries (2) by charge-discharge control circuit (7).Charge-discharge control circuit (7) has and prevents to overcharge and the function of over-discharge can, and protection batteries (2) is not damaged.In the photosensitive control circuit (8) with the light-sensitive device of solar module (1) or in addition configuration as photometry sensor, light sensor output valve under the day or night natural lighting is set, when illumination is below or above set point, drive photosensitive control circuit (8) output varying level value, make system be in different operating states.When natural daylight illumination is higher than set point, the photometry sensor signal is handled through amplification, comparison circuit, photosensitive control circuit (8) output level is changed, and control charge-discharge control circuit (7) enters charged state, and solar battery group (1) is charged to batteries (2).Battery is full of, and its voltage raises, and amplifies, compares through charge-discharge control circuit (7) sampling, interrupts charging or enters floating charge state.When natural daylight illumination is lower than set point, photosensitive control circuit (8) output level changes again, control charge-discharge control circuit (7) enters discharge condition, and batteries (2) is to pedestrian detection control circuit (9), street lamp power control circuit (11), the power supply of light source driving circuit (12) even load.
In the period of turning on light that timing control circuit (10) is set, street lamp power control circuit (11) control light source driving circuit (5) and electric light source (6) downrating.When certain street lamp has the pedestrian to pass through, pedestrian detector produces identification signal, pedestrian detection control circuit (9) output level is changed, and then control street lamp power control circuit (11), make light source driving circuit (5) and electric light source (6) be converted to the full power operation.The pedestrian leaves the detector induction range, and pedestrian detection control circuit (9) returns normality, and through circuit delay, light source driving circuit (5) and electric light source (6) return the downrating state.
Can be clear that circuit control relation of the present utility model according to Fig. 2 flow chart.The common controlled condition of forming the controller for road lamp operating state such as accumulator charging and discharging state, photosensitive control circuit state, pedestrian detection state of a control, timing controlled set condition, the illustrated circuit logic relation of foundation control street lamp is transformed in respectively turns off the light, falls states such as power is turned on light, full power is turned on light, and control charging and discharging of accumulator state.Respectively import in the controlled condition at the utility model, priority condition at first is the storage battery state-of-charge, secondly is that natural lighting and pedestrian pass through preferentially, and the back control that both turn on light to full power is the AND logic circuit relation.
For simplifying circuit, also can cancel timing control circuit, at this moment, judge " whether the someone passes through " in Fig. 2 flow process when being judged to be "No", flow process directly enters " street lamp downrating " process.
Among Fig. 1, the control of street lamp power has dual mode.A kind of is that electric light source (6) is made up of a plurality of luminescence units, at this moment can realize street lamp full power and the control of falling power by the quantity of electric light source (6) luminescence unit unlatching in street lamp power control circuit (11) the control lighting device; Another kind is by street lamp power control circuit (11) and light source driving circuit (5) electric light source (6) overall power to be implemented control, the implementation of control circuit has multiple, at the performance of different electric light sources, can take technique known modes such as Current Control, voltage control, pulse width modulation controlled.
When foundation Fig. 1, Fig. 2 specifically implement the utility model circuit, can be with reference to Fig. 1 circuit function annexation, utilize the universal circuit technology to form each functional circuit with discrete component, also can adopt the existing application-specific integrated circuit (ASIC)s such as control, the control of electric light source power, electric light source driving that discharge and recharge on the market, at this moment, Fig. 2 workflow can utilize universal logic circuit to realize.But the utility model preferred forms recommends to adopt the single-chip microcomputer pattern, by simple programming, cooperates peripheral components such as detection, driving to finish the realization of the utility model main circuit function and flow process.
Fig. 3 is a kind of embodiment that adopts single-chip microcomputer, led light source of the present utility model.In the illustrated embodiment, because less demanding to system response time, the input and output controlled quentity controlled variable is few, adopts peripheral power driving circuit in addition, so single-chip microcomputer (12) can be selected common 8 machine products for use.Battery tension sample circuit (17) is obtained its voltage analog from batteries (2), through A/D change-over circuit (21) input single-chip microcomputer, through comparing with set point, produce corresponding control voltage or pwm control signal in appointed output terminal, by discharge and recharge control Driver Circuit (13) control solar battery group (1) to charging, the floating charge of batteries (2), stop filling, and batteries (2) is to discharge, the outage of each circuit module, electric light source.Photosensitive detection voltage sampling circuit (3) is obtained the voltage analog corresponding with natural daylight illumination from solar cell or the light-sensitive element established in addition, through A/D change-over circuit (21) input single-chip microcomputer, through and set point relatively, determine the day or night operating state.State by day, the level of light-operated appointed output terminal output or pwm control signal make the street lamp power controller turn-off electric light source, and at the state at night, light-operated circuit is then controlled the street lamp operating state jointly with circuit such as pedestrian detection, timings.Pedestrian detection control circuit startup work this moment, pedestrian detector (4) detecting pedestrian or vehicle pass through situation, and export switching value to single-chip microcomputer in real time and specify input, when nobody passes through, the single-chip microcomputer appointed output terminal drives street lamp and falls power control circuit (16), and control light source driving circuit (5), power field effect pipe (22) reduce the operating current of LED electric light source (6); When someone passed through, the single-chip microcomputer appointed output terminal drove street lamp full power control circuit (15), and control light source driving circuit (5), power field effect pipe (22) provide rated operational current for LED electric light source (6).LED electric light source (6) current controlling can be common Current Control, also can be the PWM pulse width modulation controlled.Sample resistance (23) through feedback, is controlled light source driving circuit (5) steady operation to the light source works current sampling.The available discrete component of light source driving circuit (5) is formed the constant-current circuit realization, also can directly adopt commercially available great power LED application-specific integrated circuit (ASIC), has constant current PWM dimming function as the LTC3783 circuit, can drive the great power LED string.Timing controlled peripheral circuit (20) and single-chip microcomputer are formed the switch timing control circuit of street lamp jointly, cooperate the open and close of controlling street lamp with photosensitive control circuit.But under photosensitive control circuit is determined night state, pedestrian detection control will have precedence over timing controlled, promptly no matter timing control switch whether, as long as there is the people to pass through at night, the street lamp of this point is with regard to the full power work of turning on light, and time-delay is kept one period that pedestrian's walking is passed through.Voltage stabilizing circuit (14) provides stable operating voltage to single-chip microcomputer.Display circuit (19) display street lamp operating state.The programming of single-chip microcomputer can be with reference to flow process shown in Figure 2.
According to foregoing description, at different electric light sources and different control flow requirements, those skilled in the art all can realize the embodiment of corresponding requirements.
Claims (3)
1. solar street lamp controller, constitute at interior control circuit by discharging and recharging control, photosensitive control, timing controlled, it is characterized in that: also increased pedestrian detection control circuit and street lamp power control circuit in control circuit, its circuit connecting relation is the output of pedestrian detection control circuit by the light source driving circuit of street lamp power control circuit control solar street light.
2. solar street lamp controller according to claim 1 is characterized in that: the street lamp power control circuit in the controller by the full power control circuit with fall power control circuit and constitute.
3. solar street lamp controller according to claim 1 is characterized in that: be connected with pedestrian detector, light sensor, solar battery group, batteries in the controller periphery, also connected electric light source by light source driving circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203021048U CN201352865Y (en) | 2008-09-12 | 2008-09-12 | Solar street light controller |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008203021048U CN201352865Y (en) | 2008-09-12 | 2008-09-12 | Solar street light controller |
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| Publication Number | Publication Date |
|---|---|
| CN201352865Y true CN201352865Y (en) | 2009-11-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008203021048U Expired - Fee Related CN201352865Y (en) | 2008-09-12 | 2008-09-12 | Solar street light controller |
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| Country | Link |
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| CN (1) | CN201352865Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497709A (en) * | 2011-12-27 | 2012-06-13 | 唐世福 | Novel street lamp electricity-saving intelligent control system |
| CN103024995A (en) * | 2012-11-19 | 2013-04-03 | 宁波金源电气有限公司 | Solar LED (Light-Emitting Diode) streetlamp control system and control method |
| CN108413332A (en) * | 2018-01-22 | 2018-08-17 | 福建工程学院 | A kind of solar energy intelligent dimming lighting system |
| CN108844023A (en) * | 2018-03-30 | 2018-11-20 | 罗杨军 | Adaptive road lamp device and control method |
| EP4369868A1 (en) * | 2022-11-11 | 2024-05-15 | Shenzhen JinDian Electronic Technology Co., Ltd. | Distributed induction-controlled solar lighting system |
-
2008
- 2008-09-12 CN CNU2008203021048U patent/CN201352865Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102497709A (en) * | 2011-12-27 | 2012-06-13 | 唐世福 | Novel street lamp electricity-saving intelligent control system |
| CN103024995A (en) * | 2012-11-19 | 2013-04-03 | 宁波金源电气有限公司 | Solar LED (Light-Emitting Diode) streetlamp control system and control method |
| CN103024995B (en) * | 2012-11-19 | 2014-12-03 | 宁波金源电气有限公司 | Solar LED (Light-Emitting Diode) streetlamp control system and control method |
| CN108413332A (en) * | 2018-01-22 | 2018-08-17 | 福建工程学院 | A kind of solar energy intelligent dimming lighting system |
| CN108844023A (en) * | 2018-03-30 | 2018-11-20 | 罗杨军 | Adaptive road lamp device and control method |
| EP4369868A1 (en) * | 2022-11-11 | 2024-05-15 | Shenzhen JinDian Electronic Technology Co., Ltd. | Distributed induction-controlled solar lighting system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091125 Termination date: 20110912 |