CN107332343A - A kind of commercial power complementary system of Solar lamp light source - Google Patents

A kind of commercial power complementary system of Solar lamp light source Download PDF

Info

Publication number
CN107332343A
CN107332343A CN201710763196.3A CN201710763196A CN107332343A CN 107332343 A CN107332343 A CN 107332343A CN 201710763196 A CN201710763196 A CN 201710763196A CN 107332343 A CN107332343 A CN 107332343A
Authority
CN
China
Prior art keywords
light source
controller
battery
control module
low
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.)
Pending
Application number
CN201710763196.3A
Other languages
Chinese (zh)
Inventor
易敏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hefei Xinwenyuan Information Technology Co ltd
Original Assignee
Hefei Xinwenyuan Information Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hefei Xinwenyuan Information Technology Co ltd filed Critical Hefei Xinwenyuan Information Technology Co ltd
Priority to CN201710763196.3A priority Critical patent/CN107332343A/en
Publication of CN107332343A publication Critical patent/CN107332343A/en
Pending legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J9/00Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
    • H02J9/04Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
    • H02J9/06Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
    • H02J9/062Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads
    • H02J9/065Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems for AC powered loads for lighting purposes
    • HELECTRICITY
    • H02GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02JCIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J7/00Circuit arrangements for charging or depolarising batteries or for supplying loads from batteries
    • H02J7/34Parallel operation in networks using both storage and other dc sources, e.g. providing buffering
    • H02J7/35Parallel operation in networks using both storage and other dc sources, e.g. providing buffering with light sensitive cells
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B10/00Integration of renewable energy sources in buildings
    • Y02B10/70Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02BCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
    • Y02B70/00Technologies for an efficient end-user side electric power management and consumption
    • Y02B70/30Systems integrating technologies related to power network operation and communication or information technologies for improving the carbon footprint of the management of residential or tertiary loads, i.e. smart grids as climate change mitigation technology in the buildings sector, including also the last stages of power distribution and the control, monitoring or operating management systems at local level
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00Energy generation through renewable energy sources
    • Y02E10/50Photovoltaic [PV] energy
    • Y02E10/56Power conversion systems, e.g. maximum power point trackers
    • YGENERAL 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
    • Y04INFORMATION OR COMMUNICATION TECHNOLOGIES HAVING AN IMPACT ON OTHER TECHNOLOGY AREAS
    • Y04SSYSTEMS INTEGRATING TECHNOLOGIES RELATED TO POWER NETWORK OPERATION, COMMUNICATION OR INFORMATION TECHNOLOGIES FOR IMPROVING THE ELECTRICAL POWER GENERATION, TRANSMISSION, DISTRIBUTION, MANAGEMENT OR USAGE, i.e. SMART GRIDS
    • Y04S20/00Management or operation of end-user stationary applications or the last stages of power distribution; Controlling, monitoring or operating thereof
    • Y04S20/20End-user application control systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The invention discloses a kind of commercial power complementary system in Solar lamp light source light source, including solar cell, high voltage control module, low-pressure control module, battery, civil power, low-voltage direct light source, high-voltage alternating light source, by high voltage control module and mains hybrid it is respectively high-voltage alternating light source power supply in the system, low-pressure control module and mains hybrid are low-voltage direct light source power supply, it is simple in construction, efficient energy-saving, and solar cell electric quantity collector can count and show the generated energy of daily solar cell in system, it actual to system can save and be estimated and detect.

Description

A kind of commercial power complementary system of Solar lamp light source
Technical field
The present invention relates to mains hybrid field, specifically a kind of commercial power complementary system of Solar lamp light source.
Background technology
It is the Main Means that human development utilizes solar energy using solar lighting, still, solar radiation has Discontinuity and intermittence, moreover, the investment of simple solar illuminating system at present and cost is higher, portion of techniques not enough into Ripe, therefore, there is load and can not lighted often when continuous overcast and rainy because battery tension is not enough in solar illuminating system Situation.
Mains hybrid is mainly used in civil power and the complementary lamp system of solar energy.Weather is fine, when solar energy working condition is good, The sufficient light source of the electricity of battery is battery powered.When weather is undesirable, solar energy can not be full of the energy of battery consumption, battery To a certain extent, to ensure the power supply of light source, controller is switched to civil power input, is after being changed by controller electric quantity consumption Light source power supply.When solar energy is that battery fills enough energy, controller cut-out civil power is inputted, then is battery powered.
Current solar photovoltaic electric power and the key problem in technology in mains hybrid illumination system layout have not been solar-electricities The problem of pond and battery, but influence of the civil power cut process to variety classes light source.Mains hybrid is to low-pressure direct in market Streamer source switches switches the system effectively controlled with high-voltage alternating light source, and complicated, power consumption is big.
The content of the invention
It is an object of the invention to provide a kind of commercial power complementary system of Solar lamp light source, to solve above-mentioned background skill The problem of being proposed in art.
To achieve the above object, the present invention provides following technical scheme:
A kind of commercial power complementary system in Solar lamp light source light source, including solar cell, high voltage control module, low pressure control Molding block, battery, civil power, low-voltage direct light source, high-voltage alternating light source, the solar cell connect high voltage control mould respectively Block and low-pressure control module, the high voltage control module include controller one, inverter, switching relay one, the controller One includes MPPT controller, solar cell electric quantity collector, and the MPPT controller connects battery, the solar cell Electric quantity collector is used to count the daily generated energy of solar cell, and the connection inverter of controller one, the inverter is used for The dc source that solar cell is provided is converted to AC power, inverter connection switching relay one, inverter connection city Electricity, the normally-closed contact of the switching relay one is electrically connected with city, and normally opened contact and the high-voltage alternating light of switching relay one connect Connect, the battery is connected with inverter;
The low-pressure control module includes controller two, switching relay two, AC/DC converters, and the controller two is provided with MPPT controller, controller two is connected with battery, and controller two is sequentially connected AC/DC converters and civil power, and the AC/DC turns Parallel operation is used to AC power being converted to dc source, and AC/DC converters are connected with switching relay two, and civil power turns with AC/DC Parallel operation is connected, and the normally opened contact of the switching relay two is electrically connected with city, the normally-closed contact and low-pressure direct of switching relay two Streamer source is connected.
It is used as further scheme of the invention:The high voltage control module is provided with the alternating current 220V electronics town supplied power with double circuit Device is flowed, low-pressure control module is provided with the two-way direct current supply line by diode-isolated.
It is used as further scheme of the invention:MPPT controller in the controller one tracks the sun according to MPPT algorithm The maximum power point of energy battery, MPPT algorithm is preferably perturbation observation method.
It is used as further scheme of the invention:The magnet coil of the switching relay one is by storage battery power supply.
It is used as further scheme of the invention:The AC/DC converters can directly initiate low-voltage direct light source.
It is used as further scheme of the invention:The solar cell electric quantity collector includes solar cell, electric current electricity Voltage conversion circuit, voltage conversion circuit, voltmeter, singlechip controller, stable-pressure device, display device, battery, the electric current Voltage conversion circuit includes Hall sensor, amplifirer, voltmeter, and the end of Hall sensor two be connected on amplifirer two are defeated Enter end, the amplifirer output end connects singlechip controller, and the voltage conversion circuit connects singlechip controller, the list Piece machine controller connects display device, and singlechip controller connects battery by stable-pressure device.
It is used as further scheme of the invention:The battery is provided with warning device.
Compared with prior art, the beneficial effects of the invention are as follows:Pass through high voltage control module and civil power in the system respectively Complementation is that high-voltage alternating light source power supply, low-pressure control module and mains hybrid are low-voltage direct light source power supply, simple in construction, energy-conservation Efficiently, and solar cell electric quantity collector can count and show the generated energy of daily solar cell in system.
Brief description of the drawings
Fig. 1 is a kind of commercial power complementary system composition schematic diagram of Solar lamp light source;
Fig. 2 is solar cell electric quantity collector structure composition schematic diagram.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made Embodiment, belongs to the scope of protection of the invention.
Refer to Fig. 1-2, a kind of commercial power complementary system of Solar lamp light source, including solar cell 1, high voltage control Module 2, low-pressure control module 3, battery 4, civil power 5, low-voltage direct light source 6, high-voltage alternating light source 7, the solar cell 1 High voltage control module 2 and low-pressure control module 3 are connected respectively, and the high voltage control module 2 includes controller 1, inverter 22nd, switching relay 1, the controller 1 includes MPPT controller, solar cell electric quantity collector, the MPPT Controller controls solar cell 1 to export electricity, MPPT controller connection battery 4 with maximum power point, and it is floated Electricity charging, the solar cell electric quantity collector is used to count the daily generated energy of solar cell, and controller 1 connects Inverter 22 is connect, the dc source that the inverter 22 is used to provide in solar cell is converted to AC power, inverter 22 Switching relay 1 is connected, the connection civil power 5 of inverter 22, the normally-closed contact of the switching relay 1 is connected with civil power 5, The normally opened contact of switching relay 1 is connected with high-voltage alternating light 7, and the battery 4 is connected with inverter 22;
The low-pressure control module 3 includes controller 2 31, switching relay 2 32, AC/DC converters 33, the controller two 31 are provided with MPPT controller, and controller 2 31 is connected with battery, and controller 2 31 is sequentially connected AC/DC converters 33 and city Electricity 5, the AC/DC converters 33 are used to AC power being converted to dc source, AC/DC converters 33 and switching relay two 32 connections, civil power 5 is connected with AC/DC converters 33, and the normally opened contact of the switching relay 2 32 is connected with civil power 5, conversion The normally-closed contact of relay 2 32 is connected with low-voltage direct light source 6.
The high voltage control module 2 is provided with the alternating current 220V electric ballast supplied power with double circuit, and low-pressure control module 3 is set There is the two-way direct current supply line by diode-isolated, civil power 5 realizes seamless switching when switching.
MPPT controller in the controller 1 tracks the maximum power point of solar cell 1 according to MPPT algorithm, MPPT algorithm is preferably perturbation observation method.
The magnet coil of the switching relay 1 is powered by battery 4, once solar cell is continuous overcast and rainy Or other reasonses break down, civil power 5 will reliably enter connection status.
The AC/DC converters 33 can directly initiate low-voltage direct light source 6, when the voltage of battery 4 is low arrives certain value, System directly switches to civil power 5.
The solar cell electric quantity collector includes solar cell 1, current-to-voltage converting circuit 200, voltage conversion Circuit 300, voltmeter 400, singlechip controller 500, stable-pressure device 600, display device 700, battery 4, the electric current electricity Voltage conversion circuit 200 includes Hall sensor 210, amplifirer 220, voltmeter 230, and described 210 liang of ends of Hall sensor are connected on Two inputs of amplifirer 220, the output end of amplifirer 220 connects singlechip controller 500, the voltage conversion circuit 300 connection singlechip controllers 500, the singlechip controller 500 connects display device 700, and singlechip controller 500 leads to Cross the connection battery 4 of stable-pressure device 600;
The solar cell electric quantity collector operation principle:When solar cell 1 receives illumination, inside produces electric current, to storing Battery 4 is charged, and singlechip controller 500 provides driving voltage by stable-pressure device 600 by battery 4, and solar cell is produced Raw electricity carries out signal acquisition, because singlechip controller 500 can only receive voltage signal, and no more than 5V, so Signal is adjusted to suitable voltage by current-to-voltage converting circuit 200, voltage conversion circuit 300 before reception signal, then via interior Portion's calculation process, result is delivered in display device 700, shows cell power generation total amount, and carry out for energy-conservation actual to system Assess and detection.
The battery 4 is provided with warning device.
The operation principle of the present invention:
Solar cell 1 provides dc source through controller 1 in high voltage control module 2 to inverter 22, and to battery 4 Dc source is converted to AC power, connects switching relay 1, be high-voltage alternating light source 7 by floating electricity charging, inverter 22 Power supply, once solar cell breaks down in continuous overcast and rainy or other reasonses, civil power 5 will reliably enter connection status, and be High-voltage alternating light source 7 is powered;Solar cell 1 connects switching relay 2 32 through controller 2 31 in low-pressure control module 3, Powered for low-voltage direct light source 6, and be the floating electricity charging of battery 4, when the voltage of battery 4 is low arrives certain value, system is direct Civil power 5 is switched to, AC power is converted to dc source by civil power 5 via AC/DC converters 33, be that low-voltage direct light source 6 is supplied Electricity.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power Profit is required rather than described above is limited, it is intended that all in the implication and scope of the equivalency of claim by falling Change is included in the present invention.Any reference in claim should not be considered as to the claim involved by limitation.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each embodiment is only wrapped Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should Using specification as an entirety, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art It may be appreciated other embodiment.

Claims (7)

1. a kind of commercial power complementary system of Solar lamp light source, it is characterised in that including solar cell(1), high voltage control Module(2), low-pressure control module(3), battery(4), civil power(5), low-voltage direct light source(6), high-voltage alternating light source(7), institute State solar cell(1)High voltage control module is connected respectively(2)With low-pressure control module(3), the high voltage control module(2)Bag Include controller one(21), inverter(22), switching relay one(23), the controller one(21)Including MPPT controller, too Positive energy battery electric quantity collector, the MPPT controller connects battery(4), the solar cell electric quantity collector is for uniting Meter is sunny can the daily generated energy of battery, controller one(21)Connect inverter(22), the inverter(22)For will too The dc source that positive energy battery is provided is converted to AC power, inverter(22)Connect switching relay one(23), inverter (22)Connect civil power(5), the switching relay one(23)Normally-closed contact and civil power(5)Connection, switching relay one(23) Normally opened contact and high-voltage alternating light(7)Connection, the battery(4)With inverter(22)Connection;
The low-pressure control module(3)Including controller two(31), switching relay two(32), AC/DC converters(33), it is described Controller two(31)It is provided with MPPT controller, controller two(31)It is connected with battery, controller two(31)It is sequentially connected AC/ DC converters(33)With civil power(5), the AC/DC converters(33)For AC power to be converted into dc source, AC/DC turns Parallel operation(33)With switching relay two(32)Connection, civil power(5)With AC/DC converters(33)Connection, the switching relay two (32)Normally opened contact and civil power(5)Connection, switching relay two(32)Normally-closed contact and low-voltage direct light source(6)Connection.
2. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the high pressure Control module(2)It is provided with the alternating current 220V electric ballast supplied power with double circuit, low-pressure control module(3)Be provided with by diode every From two-way direct current supply line.
3. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the control Device one(21)In MPPT controller according to MPPT algorithm track solar cell(1)Maximum power point, MPPT algorithm is preferred For perturbation observation method.
4. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the conversion Relay one(23)Magnet coil by battery(4)Power supply.
5. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the AC/ DC converters(33)Low-voltage direct light source can be directly initiated(6).
6. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the sun Energy battery electric quantity collector includes solar cell(1), current-to-voltage converting circuit(200), voltage conversion circuit(300), electricity Press table(400), singlechip controller(500), stable-pressure device(600), display device(700), battery(4), the electric current electricity Voltage conversion circuit(200)Including Hall sensor(210), amplifirer(220), voltmeter(230), the Hall sensor (210)Two ends are connected on amplifirer(220)Two inputs, the amplifirer(220)Output end connects singlechip controller (500), the voltage conversion circuit(300)Connect singlechip controller(500), the singlechip controller(500)Connection is aobvious Showing device(700), singlechip controller(500)Pass through stable-pressure device(600)Connect battery(4).
7. a kind of commercial power complementary system of Solar lamp light source according to claim 1, it is characterised in that the electric power storage Pond(4)It is provided with warning device.
CN201710763196.3A 2017-08-30 2017-08-30 A kind of commercial power complementary system of Solar lamp light source Pending CN107332343A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710763196.3A CN107332343A (en) 2017-08-30 2017-08-30 A kind of commercial power complementary system of Solar lamp light source

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710763196.3A CN107332343A (en) 2017-08-30 2017-08-30 A kind of commercial power complementary system of Solar lamp light source

Publications (1)

Publication Number Publication Date
CN107332343A true CN107332343A (en) 2017-11-07

Family

ID=60204055

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710763196.3A Pending CN107332343A (en) 2017-08-30 2017-08-30 A kind of commercial power complementary system of Solar lamp light source

Country Status (1)

Country Link
CN (1) CN107332343A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421613A (en) * 2020-11-04 2021-02-26 合肥联信电源有限公司 Energy-saving traffic signal lamp power supply device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320048A (en) * 2014-10-31 2015-01-28 重庆大学 Photovoltaic power generation system with energy storage function and coordinated power supply method of photovoltaic power generation system
CN106817077A (en) * 2015-12-02 2017-06-09 富强 A kind of solar power generation amount detecting device based on AVR single chip

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104320048A (en) * 2014-10-31 2015-01-28 重庆大学 Photovoltaic power generation system with energy storage function and coordinated power supply method of photovoltaic power generation system
CN106817077A (en) * 2015-12-02 2017-06-09 富强 A kind of solar power generation amount detecting device based on AVR single chip

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112421613A (en) * 2020-11-04 2021-02-26 合肥联信电源有限公司 Energy-saving traffic signal lamp power supply device

Similar Documents

Publication Publication Date Title
CN102595716B (en) Solar light-emitting diode (LED) street lamp monitoring system
CN101414757B (en) Method and apparatus for multi-source photoelectric integration power supply energy storage and energy-saving
CN102523662A (en) Road tunnel distributed type illuminating system based on wind and light complementation
CN103647333A (en) Small-sized visual photovoltaic intelligent power supply device and charging method
CN200969694Y (en) Duplicate supply automatic switching LED corridor inductive illuminating apparatus
CN202435685U (en) Solar LED (light emitting diode) street lamp monitoring system
CN102497003A (en) Mains supply reserve control device for photovoltaic LED illumination and mains supply reserve control method for same
CN103138306A (en) Double-electric-complementary direct current (DC) power supply system
CN203632302U (en) Mobile emergency power supply system
CN107332343A (en) A kind of commercial power complementary system of Solar lamp light source
CN204350396U (en) A kind of energy-saving street lamp control system
CN203057607U (en) Circuit control system for sunlight illumination and commercial power LED illumination complementation
CN205901413U (en) Intelligence control system of portable lighting and battery charging outfit
CN202769513U (en) Streetlamp capable of switching automatically between solar energy power supply and wind energy power supply
CN202261940U (en) LED indoor illuminating system of solar PV power generation and commercial power complimentary type
CN103857132A (en) Novel circuit control system with complementation between sunlight illumination and mains supply LED illumination
CN201986209U (en) Solar energy corridor lighting and power-supply system
CN204836698U (en) Solar street lamp control system based on infrared induction
CN201207745Y (en) DC energy accumulation electricity supply device for lighting
CN204648090U (en) A kind of solar powered external wall of building LED illumination System based on DSP
CN108988458A (en) Solar lighting complementary power supply system
CN2893406Y (en) Solar road lamp system without accumulator
CN203674760U (en) Visual miniature photovoltaic intelligent power supply apparatus
CN204291517U (en) There is discharge power and automatically regulate photovoltaic lighting control device
CN203413523U (en) Novel solar LED street lamp system

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20171107