CN103249203A - LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system - Google Patents
LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system Download PDFInfo
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- CN103249203A CN103249203A CN2012100254437A CN201210025443A CN103249203A CN 103249203 A CN103249203 A CN 103249203A CN 2012100254437 A CN2012100254437 A CN 2012100254437A CN 201210025443 A CN201210025443 A CN 201210025443A CN 103249203 A CN103249203 A CN 103249203A
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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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Abstract
The invention provides an LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system, which adopts a bidirectional DC/DC converting circuit to substitute the traditional solar charge control circuit and an LED constant current drive circuit. The DC/DC converting circuit is used for forward direction energy control in the daytime, so as to perform MPPT charge management for a storage battery, and is used for reverse direction energy control at night, so as to drive the LED lamp with constant current. The LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system utilizes one hardware circuit to realize two functions, thereby reducing the cost and the size of the controller.
Description
Technical field
The invention belongs to the photovoltaic generation power technique fields, particularly a kind of control method of solar street light.
Technical background
At present, because traditional energy is in short supply gradually, new energy becomes novel research field, and solar street light is exactly wherein one of to use, energy-efficient in view of solar LED street lamp, and its application will get more and more extensively.Solar street lamp controller is the core of whole system, traditional control system of solar energy street lamp comprises solar charging electric control circuit and LED constant-current drive circuit two parts, wherein the solar charging electric control circuit carries out MPPT control and Charge Management by day, when the LED constant-current drive circuit needs to throw light at night electric energy changed into constant-current source driving LED light fixture, all the time needing only a circuit in the practical application devotes oneself to work, another circuit is in idle state, system availability is not high, increases system cost.
Summary of the invention
Problem at above-mentioned existing existence, the invention provides the road lamp system of a kind of LED constant current driving and photovoltaic module MPPT one control, utilize a two-way DC/DC translation circuit to replace traditional solar charging electric control circuit and LED constant-current drive circuit, DC/DC translation circuit forward energy control on daytime, storage battery is carried out the MPPT Charge Management, DC/DC translation circuit backward energy control in evening, the constant-current driving LED lamp, utilize same hardware circuit to realize two kinds of functions, reduce controller cost and volume.
To achieve these goals, the technical solution used in the present invention is:
The road lamp system of a kind of LED constant current driving and the control of photovoltaic module MPPT one, comprise a photovoltaic module 100, a two-way DC/DC translation circuit 200, a batteries 300, a control unit 400, a diverter switch 600 and a LED light fixture 500 are formed, the output of above-mentioned photovoltaic module 100 is connected with an input of described diverter switch 600, the output of above-mentioned LED light fixture 500 is connected with another input of above-mentioned diverter switch 600, the output of above-mentioned diverter switch 600 is connected with the input of above-mentioned two-way DC/DC translation circuit 200, the output of above-mentioned two-way DC/DC translation circuit 200 is connected with above-mentioned batteries 300, and above-mentioned control unit 400 is connected with above-mentioned diverter switch 600 with above-mentioned two-way DC/DC translation circuit 200 by signal transmssion line.
Above-mentioned two-way DC/DC translation circuit 200 is made of two-way buck circuit or two-way boost circuit or two-way buck-boost circuit or two-way Cuk circuit or two-way Zeta-Sepic.
The on off state of above-mentioned diverter switch 600 is by above-mentioned control unit 400 controls, and daytime, above-mentioned diverter switch 600 made above-mentioned photovoltaic module 100 insert above-mentioned two-way DC/DC translation circuit 200 when illumination was arranged; Evening, above-mentioned diverter switch 600 made above-mentioned LED light fixture 500 insert above-mentioned two-way DC/DC translation circuit 200 during bright lamp.
Above-mentioned diverter switch 600 is made of relay or power device or electronic switch.
Above-mentioned control unit 400 is distinguished daytime and night by the magnitude of voltage that detects light-sensitive element signal or above-mentioned photovoltaic module 100 outputs of sampling, and controls the state of above-mentioned diverter switch 600 then.
In the time of by day, above-mentioned control unit 400 carries out MPPT tracking and Charge Management by duty ratio or the switching frequency of controlling above-mentioned two-way DC/DC translation circuit 200, makes the electric energy of above-mentioned photovoltaic module 100 charge into above-mentioned batteries 300; In the time of at night, duty ratio or the switching frequency of above-mentioned control unit 400 by controlling above-mentioned two-way DC/DC translation circuit 200 carries out constant current control, makes the electric energy of storage battery change constant-current source into and drives above-mentioned LED light fixture 500.
Above-mentioned two-way DC/DC translation circuit (200) is sampled to input voltage and electric current, output voltage and electric current, and sampled result is spread out of to described control unit (400).
Description of drawings:
Fig. 1 is the road lamp system block diagram of LED constant current driving of the present invention and the control of photovoltaic module MPPT one
Fig. 2 is one of two-way buck translation circuit embodiment of the present invention
Fig. 3 is one of two-way boost translation circuit embodiment of the present invention
Fig. 4 is one of two-way buck-boost translation circuit embodiment of the present invention
Embodiment:
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is described in further detail.Should be clear and definite, specific embodiment described herein only is used for explaining the present invention, and is not used in restriction the present invention.
Fig. 1 is the road lamp system block diagram of LED constant current driving of the present invention and the control of photovoltaic module MPPT one, control unit judges that according to light sensor signal or photovoltaic module voltage current is evening or daytime among the figure, when daytime, make photovoltaic module insert two-way DC/DC translation circuit by diverter switch, carry out MPPT by duty ratio control and follow the tracks of and Charge Management, the photovoltaic module electric energy is charged into storage battery; When evening, diverter switch makes the LED light fixture insert two-way DC/DC translation circuit, carries out constant current control by duty ratio control, with electric energy constant-current driving LED lamp in the storage battery.
Claims (7)
1. the road lamp system of a LED constant current driving and photovoltaic module MPPT one control, comprise a photovoltaic module (100), a two-way DC/DC translation circuit (200), a batteries (300), a control unit (400), a diverter switch (600) and a LED light fixture (500) are formed, it is characterized in that: the output of described photovoltaic module (100) is connected with an input of described diverter switch (600), the output of described LED light fixture (500) is connected with another input of described diverter switch (600), the output of described diverter switch (600) is connected with the input of described two-way DC/DC translation circuit (200), the output of described two-way DC/DC translation circuit (200) is connected with described batteries (300), and described control unit (400) is connected with described diverter switch (600) with described two-way DC/DC translation circuit (200) by signal transmssion line.
2. the road lamp system of a kind of LED constant current driving according to claim 1 and photovoltaic module MPPT one control is characterized in that: described two-way DC/DC translation circuit (200) is made of two-way buck circuit or two-way boost circuit or two-way buck-boost circuit or two-way Cuk circuit or two-way Zeta-Sepic.
A kind of LED constant current driving according to claim 1 and photovoltaic module MPPT one control road lamp system, it is characterized in that: the on off state of described diverter switch (600) is controlled by described control unit (400), daytime, described diverter switch (600) made described photovoltaic module (100) insert described two-way DC/DC translation circuit (200) when illumination was arranged; Evening, described diverter switch (600) made described LED light fixture (500) insert described two-way DC/DC translation circuit (200) during bright lamp.
4. the road lamp system of a kind of LED constant current driving according to claim 3 and photovoltaic module MPPT one control, it is characterized in that: described diverter switch (600) is made of relay or power device or electronic switch.
A kind of LED constant current driving according to claim 3 and photovoltaic module MPPT one control road lamp system, it is characterized in that: described control unit (400) is distinguished daytime and night by the magnitude of voltage that detects light-sensitive element signal or described photovoltaic module (100) output of sampling, and controls the state of described diverter switch (600) then.
A kind of LED constant current driving according to claim 1 and photovoltaic module MPPT one control road lamp system, it is characterized in that: in the time of by day, described control unit (400) carries out MPPT tracking and Charge Management by duty ratio or the switching frequency of the described two-way DC/DC translation circuit of control (200), makes the electric energy of described photovoltaic module (100) charge into described batteries (300); In the time of at night, described control unit (400) carries out constant current control by duty ratio or the switching frequency of the described two-way DC/DC translation circuit of control (200), makes the electric energy of storage battery change constant-current source into and drives described LED light fixture (500).
A kind of LED constant current driving according to claim 1 and photovoltaic module MPPT one control road lamp system, it is characterized in that: described two-way DC/DC translation circuit (200) is sampled to input voltage and electric current, output voltage and electric current, and sampled result is spread out of to described control unit (400).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100254437A CN103249203A (en) | 2012-02-06 | 2012-02-06 | LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system |
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| CN2012100254437A CN103249203A (en) | 2012-02-06 | 2012-02-06 | LED constant current drive and photovoltaic module MPPT integrally controlled street lamp system |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475258A (en) * | 2013-09-09 | 2013-12-25 | 河海大学常州校区 | High-voltage pulse power supply with adjustable discharge parameters |
| CN103560667A (en) * | 2013-09-10 | 2014-02-05 | 北京工业大学 | Bidirectional power converter for vehicle hybrid energy storage system |
| CN105449823A (en) * | 2015-12-22 | 2016-03-30 | 中能易电新能源技术有限公司 | Photovoltaic charging system as well as running method and device thereof |
| CN107517001A (en) * | 2017-09-20 | 2017-12-26 | 重庆聚陆新能源有限公司 | A kind of DC/DC converters of restructural |
| CN107592700A (en) * | 2017-09-12 | 2018-01-16 | 北京科诺伟业光电科技有限公司 | A kind of photovoltaic MPPT types constant current integrated street lamp controller circuitry |
| CN109121271A (en) * | 2018-08-22 | 2019-01-01 | 江苏优为视界科技有限公司 | One kind being based on MPPT photovoltaic xenon street lamp lighting system |
| CN109587881A (en) * | 2018-12-18 | 2019-04-05 | 深圳源创智能照明有限公司 | A kind of multichannel MPPT control circuit |
| CN110035591A (en) * | 2019-04-30 | 2019-07-19 | 上海电力学院 | A kind of solar street light switch controlling device and method based on MPPT |
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| CN101166385A (en) * | 2007-08-02 | 2008-04-23 | 耿华 | Efficient LED solar lamp controller |
| CN101355260A (en) * | 2008-09-17 | 2009-01-28 | 中国航天时代电子公司第七七一研究所 | Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof |
| EP2200151A1 (en) * | 2008-12-19 | 2010-06-23 | ABB Research Ltd. | A photovoltaic system |
| CN102315675A (en) * | 2011-09-07 | 2012-01-11 | 中国电子科技集团公司第十六研究所 | Automotive solar power generation device based on bidirectional DC-DC converter |
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- 2012-02-06 CN CN2012100254437A patent/CN103249203A/en active Pending
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| CN101166385A (en) * | 2007-08-02 | 2008-04-23 | 耿华 | Efficient LED solar lamp controller |
| CN101355260A (en) * | 2008-09-17 | 2009-01-28 | 中国航天时代电子公司第七七一研究所 | Transformation controller for charging and discharging lithium ion accumulator as well as transformation control method thereof |
| EP2200151A1 (en) * | 2008-12-19 | 2010-06-23 | ABB Research Ltd. | A photovoltaic system |
| CN102315675A (en) * | 2011-09-07 | 2012-01-11 | 中国电子科技集团公司第十六研究所 | Automotive solar power generation device based on bidirectional DC-DC converter |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103475258A (en) * | 2013-09-09 | 2013-12-25 | 河海大学常州校区 | High-voltage pulse power supply with adjustable discharge parameters |
| CN103475258B (en) * | 2013-09-09 | 2016-08-17 | 河海大学常州校区 | The high-voltage pulse power source of adjustable discharge parameter |
| CN103560667A (en) * | 2013-09-10 | 2014-02-05 | 北京工业大学 | Bidirectional power converter for vehicle hybrid energy storage system |
| CN105449823A (en) * | 2015-12-22 | 2016-03-30 | 中能易电新能源技术有限公司 | Photovoltaic charging system as well as running method and device thereof |
| CN107592700A (en) * | 2017-09-12 | 2018-01-16 | 北京科诺伟业光电科技有限公司 | A kind of photovoltaic MPPT types constant current integrated street lamp controller circuitry |
| CN107517001A (en) * | 2017-09-20 | 2017-12-26 | 重庆聚陆新能源有限公司 | A kind of DC/DC converters of restructural |
| CN109121271A (en) * | 2018-08-22 | 2019-01-01 | 江苏优为视界科技有限公司 | One kind being based on MPPT photovoltaic xenon street lamp lighting system |
| CN109587881A (en) * | 2018-12-18 | 2019-04-05 | 深圳源创智能照明有限公司 | A kind of multichannel MPPT control circuit |
| CN110035591A (en) * | 2019-04-30 | 2019-07-19 | 上海电力学院 | A kind of solar street light switch controlling device and method based on MPPT |
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Application publication date: 20130814 |