CN101977465B - Wind-light complementary streetlight system of off-grid type - Google Patents
Wind-light complementary streetlight system of off-grid type Download PDFInfo
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- CN101977465B CN101977465B CN2010105235630A CN201010523563A CN101977465B CN 101977465 B CN101977465 B CN 101977465B CN 2010105235630 A CN2010105235630 A CN 2010105235630A CN 201010523563 A CN201010523563 A CN 201010523563A CN 101977465 B CN101977465 B CN 101977465B
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/70—Wind energy
- Y02E10/72—Wind turbines with rotation axis in wind direction
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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Abstract
The invention relates to a wind-light complementary streetlight system of an off-grid type in the technical field of power electronic control. The system comprises an accumulator, a three-phase AC permanent magnet wind driven generator, a solar panel, DC LED streetlights and a controller. The anode and the cathode of the accumulator are respectively connected with the accumulator output end of the controller, the three-phase output of the three-phase AC permanent magnet wind driven generator are connected with the three-phase voltage output end of the controller, the DC output end of the solar panel is connected with the DC input end of the controller, and the two DC LED streetlights are respectively connected with the load ends of the controller. The invention has the advantages of high efficiency and safe operation and also has a relay protection function.
Description
Technical field
What the present invention relates to is device and the control method in a kind of power electronics control technology field, specifically is a kind of from net type wind and light complementary road lamp system.
Background technology
Human energy-conservationly accelerated society with continuous enhancing environmental consciousness and changed to energy-efficient society.This transformation has promoted utilization and the development of clean energy resource, and has promoted the application of clean energy resource aspect street lamp.
Adopting the mode of wind light mutual complementing is a kind of very promising technology for street lamp provides electric energy.Wind energy and solar energy all are environmental protection, the reproducible energy, and very strong complementarity is arranged.It is strong that wind light mutual complementing power generation can remedy both intermittences, and deficiencies such as economy, poor reliability realize uninterrupted power supply, thereby reduce the consumption of storage battery, improves economy and the reliability of operation of system.So the wind and solar hybrid generating system cost performance is higher than wherein a kind of energy of simple use, is applicable to that power is little, the road lamp system that quantity is many.
The present existing deficiencies such as efficient is not high, safe running performance difference that exist from net type street lamp control system.In order to guarantee lighting hours, this street lamp just needs to increase the capacity of storage battery, and the capacity that increases the wind-powered electricity generation unit, photovoltaic cell etc. of configuration.
Find through the literature search to prior art; people such as what Chaoyang are in " electronic technology " (the 12nd phase in 2006; the 70-73 page or leaf) delivered the article that is entitled as " design of solar street lamp controller " on; this article has designed a kind ofly can indicate storage battery overvoltage, running status such as under-voltage; have the solar street lamp controller of two-way load output, simultaneously load overcurrent, short circuit are had defencive function.
It is a kind of that but the power supply of the prior art source has only, i.e. solar panel.Just can't power for a long time in case solar panel breaks down, therefore, power supply reliability is not high; On the other hand, solar energy has very big intermittent and periodically, to evening just can't be charge in batteries, the power output that will increase battery capacity and solar panel like this guarantees the uninterrupted power supply at night, the economy of system is not high; In addition, use the solar powered scope of application that limits product merely, be not suitable for wind resource than area abundant but that solar energy resources enriches inadequately.
Summary of the invention
The present invention is directed to the prior art above shortcomings, provide a kind of from net type wind and light complementary road lamp system, have the relaying protection function when having the characteristics of efficient height, safe operation.
The present invention is achieved by the following technical solutions, the present invention includes: storage battery, Thee-phase alternating current permanent-magnetic wind-driven generator, solar panel, direct-current LED street lamp and controller, wherein: the positive pole of storage battery is connected with the battery output of controller respectively with negative pole, the three-phase output of Thee-phase alternating current permanent-magnetic wind-driven generator links to each other with the three-phase voltage output of controller, the dc output end of solar panel links to each other with the direct-flow input end of controller, and two direct-current LED street lamps are connected with the load end of controller respectively.
Described controller comprises: rectification module, measurement module, protection module and single chip control module; wherein: the I/O mouth of the conduct input of measurement module and single chip control module is connected and transmits the 0～3V voltage signal that is converted to by physical quantitys such as voltage, electric current, temperature, rotating speeds, and the I/O mouth of the conduct output of protection module and single chip control module links to each other and transmission of control signals.
Described rectification module is the uncontrollable rectifier bridge of three-phase, and it is direct current with the three-phase alternating current electric rectification that wind-driven generator produces, and is charge in batteries.
Described measurement module built-in voltage measuring unit, current measuring unit, temperature measurement unit and rotation speed of fan measuring unit, above-mentioned measuring unit are connected with single chip control module respectively and transmitting state information.
Described voltage measurement unit comprises battery voltage measuring and solar cell panel voltages measurement.
The both adopts electric resistance partial pressure, with the scaled rated voltage to the Chip Microcomputer A input port of the maximum voltage of storage battery and solar panel, can add electric capacity and voltage-stabiliser tube in case of necessity between single-chip microcomputer input port and ground.
Described current measuring unit is used for measuring the electric current that flows through street lamp, this current measuring unit is achieved by being serially connected with the miniature resistance in the street lamp power supply, road lamp power supply loop and the ammeter that is attached thereto, the resistance of this miniature resistance be the input port load voltage value of single chip control module divided by the permission maximum current of direct-current LED street lamp, described load voltage value be flow through the direct-current LED street lamp electric current in ohmically pressure drop.
Described temperature measurement unit is thermistor and normal value electric resistance partial pressure type structure.
Described rotation speed of fan measuring unit adopts non-linear optocoupler, and it is input as any two-phase of blower fan three-phase alternating current output.
Described protection module comprises: solar panel reverse charging protected location, reverse connection of accumulator protected location, blower fan overrun the brake protected location, storage battery Overvoltage protecting unit and lightning protection unit; wherein: overrun brake protected location, storage battery Overvoltage protecting unit of blower fan is connected with an I/O mouth as output of single chip control module separately, transmits control information by single-chip microcomputer.Mutually independent between the protected location, directly do not connect each other and do not have a signal communication.
Described solar panel reverse charging protected location specifically is a power diode that is series between solar cell positive pole and the battery positive voltage, and the permission sense of current of this power diode flows to accumulator positive extreme direction for the solar cell positive pole.When at dark, photovoltaic cell end pressure can be lower than the storage battery end presses, and power diode can stop electric current to backflow.
Described reverse connection of accumulator protected location specifically is achieved by the fuse that is series in the charge in batteries loop, and the blow-out current value of this fuse is less than the maximum minimum value that allows in charging current and the uncontrollable rectifier bridge maximum current of three-phase of storage battery.When reverse connection of accumulator, because the storage battery end is pressed inevitable conducting voltage greater than the uncontrollable rectifier bridge of three-phase, so rectifier bridge meeting conducting causes the storage battery short circuit, install fuse additional and can in time cut off circuit.
The described blower fan brake protected location of overrunning specifically is a two switching relay.
Described storage battery Overvoltage protecting unit specifically is single relay that opens and closes.
Described lightning protection unit is made up of six piezo-resistances, in the described piezo-resistance three be connected between blower fan three-phase output and the ground, one be connected between solar cell positive pole and the ground, two be connected between direct-current LED street lamp positive pole and the ground.
Described single chip control module is made up of Atmega48 single-chip microcomputer, 5V DC power supply and drive circuit.This single chip control module adopts wide pressure to import the DC-DC module of non-isolation voltage stabilizing output, converts accumulator voltage to 5V voltage, is single-chip microcomputer and drive circuitry.
Compared with prior art, the invention has the beneficial effects as follows:
1. two kinds of energy of wind energy and solar energy have been used.Two kinds of energy are with strong complementarity, and effectively the time of charging rises appreciably accumulators in one day.Experimental results show that: if use solar panel merely, November, fine one day effective power-on time was about 11 hours, but adopt the wind light mutual complementing power supply, the best-case whole day can both effectively be charged under the November identical weather, and ordinary circumstance is one day effective power-on time 20 hours.And, the fitness of environment is strengthened, not enough but arranged or the very low fine day of wind speed can both guarantee to charge a battery the cloudy day of wind at sunlight.
2. used the two-way lamp, take two lamps to open with single lamp according to the different time periods and open two kinds of mode of operations, reduced the phenomenon of unfrequented time after midnight of waste of energy effectively, simultaneously, guaranteed that again necessary illumination measures, make road lamp system can use the more storage battery of low capacity, reduced first investment cost.Suppose street lamp 100W, reach 5 points (10 hours), second day morning every day from 7 of evenings, if adopt two lamp standard-sized sheets, one late consumed power 2 kilowatt hours, (after 11) only open a lamp after if turned on light 4 hours, 3 hours electric energy completely sent out near by the solar cell that one late consumed power 1.6 kilowatt hours, 0.4 kilowatt hour of saving are equivalent to a 150W.
3. native system is added with protection module to each device on hardware, comprising: prevent photovoltaic cell reverse charging protection, and the reverse connection of accumulator protection, the blower fan brake protection of overrunning, the storage battery overvoltage protection, lightning protection has prolonged useful life of road lamp system.
4. on control method, introduce the ring that stagnates in overvoltage and under-voltage critical point, N continuous time records overvoltage and just moves, and introducing effective stability that must increase system survivability and work all of turning on light and allowing flag bit k.
Description of drawings
Fig. 1 is structural representation of the present invention.
Fig. 2 is the controller architecture schematic diagram.
Fig. 3 is embodiment work schematic diagram.
Embodiment
Below embodiments of the invention are elaborated, present embodiment is being to implement under the prerequisite with the technical solution of the present invention, provided detailed execution mode and concrete operating process, but protection scope of the present invention is not limited to following embodiment.
As shown in Figure 1, present embodiment comprises: storage battery 1, Thee-phase alternating current permanent-magnetic wind-driven generator 2, solar panel 3, direct-current LED street lamp 4 and controller 5, wherein: the positive pole of storage battery 1 is connected with the battery output of controller 5 respectively with negative pole, the three-phase output of Thee-phase alternating current permanent-magnetic wind-driven generator 2 links to each other with the three-phase voltage output of controller 5, the dc output end of solar panel 3 links to each other with the direct-flow input end of controller 5, and two direct-current LED street lamps 4 are connected with the load end of controller 5 respectively.
As shown in Figure 2; described controller 5 comprises: rectification module 6, measurement module 7, protection module 8 and single chip control module 9; wherein: wherein: the I/O mouth of the conduct input of measurement module 7 and single chip control module 9 is connected and transmits the 0～3V voltage signal that is converted to by physical quantitys such as voltage, electric current, temperature, rotating speeds, and the I/O mouth of the conduct output of protection module 8 and single chip control module 9 links to each other and transmission of control signals.
Described rectification module 6 is the uncontrollable rectifier bridge of three-phase, and it is direct current with the three-phase alternating current electric rectification that wind-driven generator 2 produces, and is storage battery 1 charging.
Described measurement module 7 built-in voltage measuring units 10, current measuring unit 11, temperature measurement unit 12 and rotation speed of fan measuring unit 13, above-mentioned measuring unit are connected with single chip control module 9 respectively and the transmission measurement state information.
Described voltage measurement unit 10 comprises storage battery 1 voltage measurement and solar panel 3 voltage measurements.
The both adopts electric resistance partial pressure, with the scaled rated voltage to the Chip Microcomputer A input port of the maximum voltage of storage battery 1 and solar panel 3, can add electric capacity and voltage-stabiliser tube in case of necessity between single-chip microcomputer input port and ground.
Described current measuring unit 11 is used for measuring the electric current that flows through street lamp, this current measuring unit 11 is achieved by being serially connected with the miniature resistance in the street lamp power supply, road lamp power supply loop and the ammeter that is attached thereto, the resistance of this miniature resistance be the input port load voltage value of single chip control module 9 divided by the permission maximum current of direct-current LED street lamp 4, the input single chip control module 9 signal be exactly to flow through the electric current of direct-current LED street lamp 4 in ohmically pressure drop.
Described temperature measurement unit 12 is thermistor and normal value electric resistance partial pressure type structure.
Described rotation speed of fan measuring unit 13 adopts non-linear optocoupler, and it is input as any two-phase of blower fan three-phase alternating current output.
Described protection module 8 comprises: solar panel reverse charging protected location 14, reverse connection of accumulator protected location 15, blower fan overrun the brake protected location 16, storage battery Overvoltage protecting unit 17 and lightning protection unit 18; wherein: overrun brake protected location 16, storage battery Overvoltage protecting unit 17 of blower fan is connected with an I/O mouth as output of single chip control module 9 separately, transmits control informations by single chip control module 9.Mutually independent between the protected location, directly do not connect each other and do not have a signal communication.
Described solar panel 3 reverse charging protected locations specifically are power diodes that is series between solar cell positive pole and storage battery 1 positive pole, and the permission sense of current of this power diode flows to storage battery 1 positive extreme direction for the solar cell positive pole.When at dark, photovoltaic cell end pressure can be lower than storage battery 1 end presses, and power diode can stop electric current to backflow.
Described storage battery 1 reverse connecting protection unit specifically is achieved by the fuse that is series in storage battery 1 charge circuit, and the blow-out current value of this fuse is less than the storage battery 1 maximum minimum value that allows in charging current and the uncontrollable rectifier bridge maximum current of three-phase.When storage battery 1 reversal connection, because storage battery 1 end is pressed inevitable conducting voltage greater than the uncontrollable rectifier bridge of three-phase, so rectifier bridge meeting conducting causes storage battery 1 short circuit, install fuse additional and can in time cut off circuit.
The described blower fan brake protected location of overrunning specifically is a two switching relay.
Described storage battery 1 Overvoltage protecting unit specifically is single relay that opens and closes.
Described lightning protection unit is made up of six piezo-resistances, in the described piezo-resistance three be connected between blower fan three-phase output and the ground, one be connected between solar cell positive pole and the ground, two be connected between direct-current LED street lamp 4 positive poles and the ground.
Described single chip control module 9 is made up of Atmega48 single-chip microcomputer, 5V DC power supply and drive circuit.This single chip control module 9 adopts wide pressure to import the DC-DC module of non-isolation voltage stabilizing output, converts storage battery 1 terminal voltage to 5V voltage, is single-chip microcomputer and drive circuitry.
Concrete parameter is as follows:
Voltage matches:
(1) storage battery 1 electric pressure: 24V (controller 5 operating voltage 6.5V--32V, but if electric pressure be 24V storage battery 1 normal charging/discharging voltage 18V--28V);
(2) solar-energy photo-voltaic cell floating voltage:＞28V;
(3) blower fan rated voltage: AC value＞24V;
(4) direct current street lamp: 24V 100W,
(5) fuse: 10A
Can be flux matched:
(1) storage battery 1:150Ah (3 days), 200Ah (5 days)
(2) photovoltaic cell: 28V～29V, 150W (joining the 150Ah battery), 200W (joining the 200Ah battery)
(3) blower fan: DC24V, 400W, 900 rev/mins of rated speeds, 4 pairs of utmost points
(4) LED street lamp 4:DC24V, 100W
Controller 5 parameters are set
(1) storage battery 1 overvoltage: 28V
(2) storage battery 1 is under-voltage: 18V
(3) rotation speed of fan:＞1125 rev/mins of shutdown (be decided to be blower fan rated speed 125%)
(4) load current:＞8A turn off the light (100W is example, and 8A is the electric current sum of two street lamp loads of flowing through).
Shown in Fig. 3 a and Fig. 3 b, present embodiment carries out work in the following manner:
(1) battery tension control (overvoltage/under-voltage protection)
The first step, sampling storage battery both end voltage.
In second step, if the storage battery end is pressed greater than " overvoltage+increment ", carried out for the 3rd step; If the storage battery end is pressed between " under-voltage " set point and " overvoltage+increment " set point, carried out for the 4th step; If the storage battery end forces down in " under-voltage " set point, carried out for the 5th step.
In the 3rd step, judge whether that N continuous time sampling is all greater than " overvoltage+increment ".If, disconnecting storage battery from charge circuit, blower fan (with blower fan three-phase short circuit) is changeed in resistance simultaneously, and the overvoltage indicator light is bright; If not, then the N counting adds 1, jumps out.
The 4th step connected storage battery, does not remove the resistance of blower fan is changeed, and the under-voltage indicator light that goes out is jumped out.
The 5th step connected storage battery, and under-voltage indicator light is bright.
(2) road lamp switch control
The first step, sampling storage battery end is pressed, and the solar cell end is pressed, and flows through the street lamp electric current
In second step, whether allow flag bit k keep k==1 state reach 5 minute, if be 0 with the k assignment if turning on light.
The 3rd step, if the storage battery end is pressed greater than " under-voltage " set point, and the solar cell end is pressed less than " day black voltage ", for example photovoltaic cell output of the voltage under the light intensity when dusk, and flow through the electric current of street lamp less than " overcurrent " set point, turn on light when allowing flag bit k==0, then carried out for the 4th step, otherwise, carried out for the 5th step.
In the 4th step, if there are not continuous four hours solar cell ends to press less than " day black voltage ", then two LED direct current street lamps are all opened; If the solar cell end was pressed less than " day black voltage " in continuous four hours, then only drive a street lamp, jump out.
In the 5th step, close two street lamps.Judge that simultaneously the street lamp electric current has not overcurrent.If be 1 with the k assignment then.
(3) blower fan is overrun to brake and is controlled
The overrun basic ideas of brake of blower fan are: each cycle (for example 10 seconds) checks that primary air fan has or not and overruns whether i.e. optocoupler output step-by-step counting surpasses permissible value, in case overrun, blower fan is changeed in resistance at once.(for example 5 minutes) unconditional releasing for the resistance of blower fan changeed after a period of time was changeed in the blower fan resistance, and except this a kind of situation, the blower fan resistance is removed in neither permission to be changeed, even blower fan is no longer overrun.Attention: blower fan can not simply be set not overrun with regard to releasing resistance commentaries on classics.Blower fan frequently hinders commentaries on classics-releasing resistance in the time of can causing strong wind like this changes, and does not reach the purpose of overspeed protection.
The first step, each cycle (for example 10 seconds) sampling rotation speed of fan carried out for second step.
In second step, if rotation speed of fan surpasses set point, resistance is changeed blower fan and is lighted the indicator light of overrunning, execution in step three; If rotation speed of fan does not surpass set point, jump out.
The 3rd step continued setting-up time (for example 5 minutes) if the blower fan resistance is changeed, and removed the blower fan resistance and changeed, and jumped out; If the duration does not arrive setting-up time (5 minutes), carried out for the 3rd step.
Claims (2)
1. one kind from net type wind and light complementary road lamp system, comprise: storage battery, Thee-phase alternating current permanent-magnetic wind-driven generator, solar panel, direct-current LED street lamp and controller, wherein: the positive pole of storage battery is connected with the battery output of controller respectively with negative pole, the three-phase output of Thee-phase alternating current permanent-magnetic wind-driven generator links to each other with the three-phase voltage output of controller, the dc output end of solar panel links to each other with the direct-flow input end of controller, two direct-current LED street lamps are connected with the load end of controller respectively, it is characterized in that:
Described controller comprises: rectification module, measurement module, protection module and single chip control module, wherein: the I/O mouth of the conduct input of measurement module and single chip control module is connected and transmits the 0～3V voltage signal that is converted to by voltage, electric current, temperature and rotating speed physical quantity, and the I/O mouth of the conduct output of protection module and single chip control module links to each other and transmission of control signals;
Described measurement module built-in voltage measuring unit, current measuring unit, temperature measurement unit and rotation speed of fan measuring unit, above-mentioned measuring unit are connected with single chip control module respectively and transmitting state information;
Described voltage measurement unit comprises battery voltage measuring and solar cell panel voltages measurement, and this voltage measurement unit adopts electric resistance partial pressure mode with the scaled rated voltage to the Chip Microcomputer A input port of the maximum voltage of storage battery and solar panel;
Described current measuring unit is achieved by being serially connected with the miniature resistance in the street lamp power supply, road lamp power supply loop and the ammeter that is attached thereto, the resistance of this miniature resistance be the input port load voltage value of single chip control module divided by the permission maximum current of direct-current LED street lamp, described load voltage value be flow through the direct-current LED street lamp electric current in ohmically pressure drop;
Described temperature measurement unit is thermistor and normal value electric resistance partial pressure type structure;
Described rotation speed of fan measuring unit adopts non-linear optocoupler, and it is input as any two-phase of blower fan three-phase alternating current output;
Described protection module comprises: solar panel reverse charging protected location, reverse connection of accumulator protected location, blower fan overrun the brake protected location, storage battery Overvoltage protecting unit and lightning protection unit, wherein: overrun brake protected location, storage battery Overvoltage protecting unit of blower fan is connected with an I/O mouth as output of single chip control module separately, by single-chip microcomputer transmission control information, mutually independent between the protected location, directly do not connect each other and do not have a signal communication;
Described solar panel reverse charging protected location is made up of a power diode that is series between solar cell positive pole and the battery positive voltage, and the permission sense of current of this power diode flows to accumulator positive extreme direction for the solar cell positive pole;
Described lightning protection unit is made up of six piezo-resistances, in the described piezo-resistance three be connected between blower fan three-phase output and the ground, one be connected between solar cell positive pole and the ground, two be connected between direct-current LED street lamp positive pole and the ground.
2. according to claim 1ly it is characterized in that from net type wind and light complementary road lamp system described rectification module is the uncontrollable rectifier bridge of three-phase.
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| CN108233830A (en) * | 2018-03-28 | 2018-06-29 | 北方民族大学 | A kind of micro power network energy storage and the interacted system of solar street light |
| CN109630357B (en) * | 2018-12-28 | 2021-08-10 | 中国海洋石油集团有限公司 | Power supply management system and method |
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| CN101571256A (en) * | 2008-12-29 | 2009-11-04 | 安徽风日光电科技有限责任公司 | Intelligent street lamp with comprehensive utilization of various energy sources |
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| GB2372382A (en) * | 2000-10-20 | 2002-08-21 | Electronic Solar Products Ltd | Solar and wind powered lighting unit |
| CN101459997B (en) * | 2008-12-29 | 2012-08-29 | 安徽风日光电科技有限责任公司 | Wind light complementary road lamp intelligent controller having adaptive adjustment capability |
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| CN101571256A (en) * | 2008-12-29 | 2009-11-04 | 安徽风日光电科技有限责任公司 | Intelligent street lamp with comprehensive utilization of various energy sources |
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| 何朝阳.太阳能路灯控制器的设计.《电子技术》.2006,(第12期),第70-73页. |
| 太阳能路灯控制器的设计;何朝阳;《电子技术》;20061231(第12期);第70-73页 * |
| 方燕,马金花,高善峰,张从菊.风光互补路灯***的优化设计方法.《可再生能源》.可再生能源,2009,第27卷(第1期),第88-92页. |
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