CN201733119U - Wind-light complementary controlling-inverting integrated machine - Google Patents

Wind-light complementary controlling-inverting integrated machine Download PDF

Info

Publication number
CN201733119U
CN201733119U CN2010201993589U CN201020199358U CN201733119U CN 201733119 U CN201733119 U CN 201733119U CN 2010201993589 U CN2010201993589 U CN 2010201993589U CN 201020199358 U CN201020199358 U CN 201020199358U CN 201733119 U CN201733119 U CN 201733119U
Authority
CN
China
Prior art keywords
wind
charge controller
storage battery
intelligent charge
converter
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.)
Expired - Fee Related
Application number
CN2010201993589U
Other languages
Chinese (zh)
Inventor
朱建国
刘会遵
冯亮
李志�
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.)
Shenzhen Winline Technology Co Ltd
Original Assignee
Shenzhen Winline 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 Shenzhen Winline Technology Co Ltd filed Critical Shenzhen Winline Technology Co Ltd
Priority to CN2010201993589U priority Critical patent/CN201733119U/en
Application granted granted Critical
Publication of CN201733119U publication Critical patent/CN201733119U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Images

Classifications

    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • 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
    • Y02E10/76—Power conversion electric or electronic aspects

Landscapes

  • Charge And Discharge Circuits For Batteries Or The Like (AREA)

Abstract

The utility model discloses a wind-light complementary controlling-inverting integrated machine comprising an intelligent charge controller, as well as a wind power generation input interface, a solar power generation input interface and an inverter which are connected with the intelligent charge controller, wherein a storage battery interface is arranged between the inverter and the intelligent charge controller. The wind-light complementary controlling-inverting integrated machine has the effects of high integration and multiple functionalization; and through a communication element, the parameters of a digital circuit can be uploaded to an upper computer in a monitoring room, so that the running state is monitored on site and remotely. Simultaneously, by sampling only one electromagnetic coil, the function of avoiding the reversed connection of storage battery is realized; and the wind-light complementary controlling-inverting integrated machine still can conduct normal charge and discharge even though the storage battery is connected reversely. Due to the remote-control function, the wind-light complementary controlling-inverting integrated machine can be maintained and monitored very conveniently when being installed at a position with long sunshine time and strong wind power. Owning to the adoption of wind energy and light energy which are environment-friendly and pollution-free, the popularization and the application of the wind-light complementary controlling-inverting integrated machine can bring excellent social and economical benefits.

Description

Wind light mutual complementing control inversion all-in-one
Technical field
The utility model relates to the device that electric energy charges and inversion is discharged of a kind of wind-driven generator and solar panel, is meant the integrated apparatus with accumulation of energy, invert function of a kind of wind-powered electricity generation and light-electricity complementary control especially.
Background technology
Because regional difference, scarcely populated in a lot of remote districts, the electrical network coverage rate is limited, and for the people of live and work from far-off regions, power load is all little generally speaking, so adopt electrical network to transmit electric power just unreasonable.Therefore in area away from electrical network, people's power source will rely on autonomous power supply system, power supply plan commonly used now is a diesel engine generator, but profit because remote districts have inconvenient traffic, so the carrying cost of diesel oil is too high, and is difficult to ensure continued power, so diesel engine generator can only be as a kind of emergency power supply in short-term, solve powerup issue reliably steady in a long-term, can only rely on local natural energy resources.
China is vast in territory, has abundant wind energy and solar energy resources, and the actual developable wind energy content of China is 2.53 hundred million kilowatts according to statistics, and the solar radiation total amount in western part, Tibet occupies the first in the world especially.In conjunction with the characteristics of wind energy, solar energy, comprehensive utilization wind power generation and solar photovoltaic technology and the wind and solar hybrid generating system set up solves independently-powered preferred plan beyond doubt.
Wind-light complementary system can not more comprehensively solve mostly as charge in batteries is controlled inaccuracy at present; Unloading inaccuracy to excess energy; The reverse connection of accumulator fault; Can not carry out scene and remote monitoring to wind and light generating system.The area that utilizes wind and solar hybrid generating system at present all is that some are remoter, the underdeveloped area of traffic, if can not well solve above-mentioned a series of problem, so not only natural resources can not get sufficient utilization, and will increase greatly the difficulty of its fault discovery and maintenance.
The utility model content
The purpose of this utility model is to provide a kind of highly integrated, multi-functional wind power generation and solar power generation complementation to discharge and recharge the inversion all-in-one of control for overcoming the deficiencies in the prior art.The intelligent charge controller is when externally powering by inverter, when very big (as daytime, wind-force) is stored unnecessary energy by storage battery when generating is sufficient, export the electric energy of storage battery to inverter in generating when inadequate (as night, wind-force hour), use for the user.This inversion all-in-one can be realized charging is accurately controlled, and excess energy is accurately unloaded, and storage battery is carried out anti-reverse protection, and storage battery energy is carried out inversion, simultaneously electricity generation system is carried out on-the-spot and long-range monitoring.
Technology contents of the present utility model is: wind light mutual complementing control inversion all-in-one, and its feature comprises the intelligent charge controller, and the wind power generation input interface, solar power generation input interface and the inverter that connect with the intelligent charge controller; Be provided with the storage battery interface between described inverter and the intelligent charge controller.
Further technology contents of the present utility model is: also be provided with rectified three-phase circuit between described intelligent charge controller and the wind power generation input interface; Be provided with the reverse connection of accumulator protective circuit between described storage battery interface and the intelligent charge controller.
Further technology contents of the present utility model is: described intelligent charge controller also is connected with LCD display.
Further technology contents of the present utility model is: described intelligent charge controller comprises microcontroller, and the DC/DC converter and the 2nd DC/DC converter that connect with microcontroller; A described DC/DC converter, the 2nd DC/DC converter are equipped with the input that connects with solar power generation input interface, rectified three-phase circuit.
Further technology contents of the present utility model is: described intelligent charge controller also comprises the communication part that connects with microcontroller, and the output of described the 2nd DC/DC converter is connected with emptier.
Further technology contents of the present utility model is: be provided with the PWM charging control circuit with a DC/DC converter in the described microcontroller, and the PWM unload control circui that connects with the 2nd DC/DC converter.
Further technology contents of the present utility model is: described microcontroller is provided with wind-driven generator voltage signal input, wind-powered electricity generation charging current signal input part, solar array voltage signal input part, solar recharging current signal input and battery tension signal input part.
Further technology contents of the present utility model is: described communication module is the RS485 module.
Further technology contents of the present utility model is: described PWM charging control circuit is the syllogic charging control circuit, and described syllogic charging control circuit comprises constant current charge circuit, constant voltage charging circuit and floating-point charging circuit.
Further technology contents of the present utility model is: described reverse connection of accumulator protective circuit comprises the solenoid that connects with the storage battery interface and is located at the activity plate at solenoid two ends; be installed with in the described activity plate and the corresponding armature of solenoid; described activity plate is provided with the intelligent charge controller and connects the position with the forward of storage battery interface; oppositely connect the position and do not have three working positions in the position of connection; the activity plate places forward to connect the position when inserting at accumulator positive; the activity plate places reverse connection position when storage battery oppositely inserts, the activity plate places when not connecting storage battery does not have the position of connection.
The utility model beneficial effect compared with prior art is: the utility model realizes having highly integrated and effect multifunction to the control of functions such as charge in batteries, energy unloading and communication by a digital circuit with high integration; The parameter of digital circuit can be uploaded to host computer in the Control Room by communication part, the operation conditions of wind light mutual complementing control inversion all-in-one is carried out scene and remote monitoring.The solenoid of only sampling has simultaneously just been realized the anti-reverse function of storage battery, even reached after by reverse connection of accumulator, and the function that can normally discharge and recharge still.The independent electricity generating and supplying system of the utility model energy extensive use particular surroundings because of the integrated level height, so structure is small and exquisite, occupies little space; Because of having remote control function, when being installed on the position that the hours of daylight is long, wind-force is big, can safeguard easily and monitor again.Because what adopt is environment friendly and pollution-free wind energy and luminous energy, applying of it can bring fabulous social benefit and economic benefit.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is the system architecture diagram of the utility model wind light mutual complementing control inversion all-in-one specific embodiment;
Fig. 2 is the structure principle chart of the intelligent charge controller of the utility model wind light mutual complementing control inversion all-in-one specific embodiment;
Fig. 3 is the intelligent charge control flow chart of the utility model wind light mutual complementing control inversion all-in-one specific embodiment;
Fig. 4 is the reverse connection of accumulator protective circuit schematic diagram of the utility model wind light mutual complementing control inversion all-in-one specific embodiment.
Description of reference numerals
1 intelligent charge controller
10 microcontrollers 11 a DC/DC converter
12 the 2nd DC/DC converters, 13 communication parts
2 wind power generation input interfaces, 21 rectified three-phase circuits
3 solar power generation input interfaces
4 inverters, 5 storage battery interfaces
6 reverse connection of accumulator protective circuits, 61 solenoids
62 activity plates, 63 activity plates
621 armature, 631 armature
7LCD display screen 8 emptiers
9 housings
Embodiment
In order to more fully understand technology contents of the present utility model, below in conjunction with specific embodiment the technical solution of the utility model is further introduced and explanation, but be not limited to this.
As shown in Figure 1, the utility model wind light mutual complementing control inversion all-in-one comprises intelligent charge controller 1, and the wind power generation input interface 2, solar power generation input interface 3 and the inverter 4 that connect with intelligent charge controller 1; Be provided with storage battery interface 5 between inverter 4 and the intelligent charge controller 2.Also be provided with rectified three-phase circuit 21 between intelligent charge controller 1 and the wind power generation input interface 2; Be provided with reverse connection of accumulator protective circuit 6 between storage battery interface 5 and the intelligent charge controller 1.Intelligent charge controller 1 also is connected with LCD display 7.Also comprise housing 9, this housing is used to install and fix aforesaid each parts.LCD display 7 is installed in the top or the side of housing 9, can also be provided with some control buttons at housing 9, can cooperate with LCD display 7, realizes the man-machine interactive operation.
Intelligent charge controller 1 comprises microcontroller 10, and the DC/DC converter 11 and the 2nd DC/DC converter 12 that connect with microcontroller 10; The one DC/DC converter 11 is provided with the input that connects with solar power generation input interface 3, rectified three-phase circuit 21; The 2nd DC/DC converter 12 also is provided with the input that connects with solar power generation input interface 3, rectified three-phase circuit 21.Wherein, the output of a DC/DC converter 11 connects (by reverse connection of accumulator protective circuit and storage battery interface) with storage battery, inverter, and promptly a DC/DC converter is realized the charging control to storage battery; The output of the 2nd DC/DC converter 12 is to connect with emptier 8, realizes the unloading of (comprising wind-powered electricity generation and photoelectricity) of unnecessary electric energy.Intelligent charge controller 1 also comprises the communication part 13 that connects with microcontroller 11.Be provided with the PWM charging control circuit (as shown in Figure 2, output signal is PWM1) with a DC/DC converter 11 in the microcontroller 10, and the PWM unload control circui (as shown in Figure 2, output signal is PWM2) that connects with the 2nd DC/DC converter 12.Microcontroller 11 is provided with wind-driven generator voltage signal input, wind-powered electricity generation charging current signal input part, solar array voltage signal input part, solar recharging current signal input and battery tension signal input part.Communication module 13 is the RS485 module.The PWM charging control circuit is the syllogic charging control circuit, and the syllogic charging control circuit comprises constant current charge circuit, constant voltage charging circuit and floating-point charging circuit.
Microcontroller 11 can also be provided with the control signal output ends that connects with inverter 4, when inverter 4 externally provides AC power, when the electric energy of wind energy and electric energy input is not enough, by the storage battery electric energy supplement, but when the electric energy of wind energy and electric energy input is enough, storage battery is charged, if this moment, storage battery also filled much of thatly, then unnecessary electric energy exports emptier 8 to by the 2nd DC/DC converter 12 to carry out.In other embodiment, inverter also can be provided with independent control circuit, constitutes inversion module with this, and this inversion module can be made split-type structural, is chosen by the user, when the user need not use AC power, can not choose.
Wind-driven generator connects with wind-driven generator input port 2, and wind-powered electricity generation enters intelligent charge controller 1 through after rectified three-phase circuit 21 rectifications, solar cell output with also enter intelligent charge controller 1 after solar-electricity input interface 3 connects.Two electric energy pass through reverse connection of accumulator protective circuit 6 after 1 conversion of intelligent charge controller, arrive storage battery interface 5 then, can charge after inserting storage battery.
Intelligent charge controller 1 is transferred to excess energy on the emptier 8 after storage battery is full of electricity.When the needs AC power, inverter 4 can be connected with storage battery (joining outward), export required AC power by inverter.
LCD display 7 can show required monitoring parameter in real time.
As shown in Figure 2, in intelligent charge controller 1, can control charge in batteries, power unloading, LCD demonstration, telecommunication by microcontroller 10.
Microcontroller 10 is sampled to wind-driven generator voltage, wind-powered electricity generation charging current, solar array voltage and solar recharging electric current by detecting element, according to sampled result the one DC/DC converter 11 is carried out PWM control, control signal is PWM1, makes storage battery realize the syllogic charging.Microcontroller 10 is also sampled to battery tension, after definite storage battery is filled, changes unnecessary electric energy over to emptier 8 by the 2nd DC/DC converter and unloads.Emptier 8 can be realized the stepless unloading of electric energy, make the battery tension all-the-time stable at the floating charge pressure point, guaranteed that best charge in batteries characteristic (is that microcontroller 10 can carry out PWM control to emptier 8 places in circuit in the 2nd DC/DC converter 12 according to the size of battery tension signal, control signal is PWM2, realize stepless unloading), concrete control flow is as shown in Figure 4.Syllogic charging control circuit wherein is when storage battery during for low electric weight (when just beginning to charge), enable the constant current charge circuit, charge with maximum power, when battery capacity reaches first threshold when (being about 70%～90%), switch to constant voltage charging circuit, when battery capacity reaches second threshold value when (being about 95%), switch to the floating-point charging circuit again.
Microcontroller 10 shows detected parameters such as wind-driven generator charging voltage, rechargeable solar battery voltage, battery tension and charging current in real time by the LCD display 7 that is installed on the casing.
Microcontroller 10 carries out communication by communication part 13 (preferred RS485 module) with host computer, and desired data is presented in the host computer, realizes remote monitoring.
Shown in Figure 4; reverse connection of accumulator protective circuit 6 comprises solenoid 61 that connects with the storage battery interface and the activity plate 62 of being located at solenoid 61 two ends; 63 (two activity plates link); activity plate 62; be installed with on 63 and solenoid 61 corresponding armature 621; 631; the activity plate is provided with the intelligent charge controller and connects the position with the forward of storage battery interface; oppositely connect the position and do not have three working positions in the position of connection; the activity plate places forward to connect position (1 pin of Fig. 4 and 3 pin conductings at accumulator positive when inserting (positive pole that is storage battery connects the A end); 4 pin and 6 pin conductings); the activity plate places reverse connection position (2 pin of Fig. 4 and 3 pin conductings when oppositely inserting (positive pole that is storage battery connects the B end) at storage battery; 5 pin and 6 pin conductings), the activity plate places when not connecting storage battery does not have the position of connection (state shown in Fig. 4).
In sum, the utility model realizes having highly integrated and effect multifunction to the control of functions such as charge in batteries, energy unloading and communication by a digital circuit with high integration; The parameter of digital circuit can be uploaded to host computer in the Control Room by communication part, the operation conditions of wind light mutual complementing control inversion all-in-one is carried out scene and remote monitoring.The solenoid of only sampling has simultaneously just been realized the anti-reverse function of storage battery, even reached after by reverse connection of accumulator, and the function that can normally discharge and recharge still.The independent electricity generating and supplying system of the utility model energy extensive use particular surroundings because of the integrated level height, so structure is small and exquisite, occupies little space; Because of having remote control function, when being installed on the position that the hours of daylight is long, wind-force is big, can safeguard easily and monitor again.Because what adopt is environment friendly and pollution-free wind energy and luminous energy, applying of it can bring fabulous social benefit and economic benefit.
The above only further specifies technology contents of the present utility model with embodiment; so that the reader is more readily understood; but do not represent execution mode of the present utility model to only limit to this, any technology of doing according to the utility model is extended or recreation, all is subjected to protection of the present utility model.

Claims (10)

1. wind light mutual complementing is controlled the inversion all-in-one, and its feature comprises the intelligent charge controller, and the wind power generation input interface, solar power generation input interface and the inverter that connect with the intelligent charge controller; Be provided with the storage battery interface between described inverter and the intelligent charge controller.
2. wind light mutual complementing control inversion all-in-one according to claim 1 is characterized in that also being provided with rectified three-phase circuit between described intelligent charge controller and the wind power generation input interface; Be provided with the reverse connection of accumulator protective circuit between described storage battery interface and the intelligent charge controller.
3. wind light mutual complementing control inversion all-in-one according to claim 2 is characterized in that described intelligent charge controller also is connected with LCD display.
4. wind light mutual complementing control inversion all-in-one according to claim 3, its feature is that also described intelligent charge controller comprises microcontroller, and the DC/DC converter and the 2nd DC/DC converter that connect with microcontroller; A described DC/DC converter, the 2nd DC/DC converter are equipped with the input that connects with solar power generation input interface, rectified three-phase circuit.
5. wind light mutual complementing control inversion all-in-one according to claim 4, its feature is that also described intelligent charge controller also comprises the communication part that connects with microcontroller, the output of described the 2nd DC/DC converter also is connected with emptier.
6. wind light mutual complementing control inversion all-in-one according to claim 5 is characterized in that being provided with in the described microcontroller PWM charging control circuit that connects with a DC/DC converter, and the PWM unload control circui that connects with the 2nd DC/DC converter.
7. wind light mutual complementing control inversion all-in-one according to claim 6 is characterized in that described microcontroller is provided with wind-driven generator voltage signal input, wind-powered electricity generation charging current signal input part, solar array voltage signal input part, solar recharging current signal input and battery tension signal input part.
8. wind light mutual complementing control inversion all-in-one according to claim 7 is characterized in that described communication module is the RS485 module.
9. wind light mutual complementing control inversion all-in-one according to claim 8, it is characterized in that described PWM charging control circuit is the syllogic charging control circuit, described syllogic charging control circuit comprises constant current charge circuit, constant voltage charging circuit and floating-point charging circuit.
10. wind light mutual complementing control inversion all-in-one according to claim 9; it is characterized in that described reverse connection of accumulator protective circuit comprises solenoid that connects with the storage battery interface and the activity plate of being located at the solenoid two ends; be installed with in the described activity plate and the corresponding armature of solenoid; described activity plate is provided with the intelligent charge controller and connects the position with the forward of storage battery interface; oppositely connect the position and do not have three working positions in the position of connection; the activity plate places forward to connect the position when inserting at accumulator positive; the activity plate places reverse connection position when storage battery oppositely inserts, the activity plate places when not connecting storage battery does not have the position of connection.
CN2010201993589U 2010-05-14 2010-05-14 Wind-light complementary controlling-inverting integrated machine Expired - Fee Related CN201733119U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2010201993589U CN201733119U (en) 2010-05-14 2010-05-14 Wind-light complementary controlling-inverting integrated machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2010201993589U CN201733119U (en) 2010-05-14 2010-05-14 Wind-light complementary controlling-inverting integrated machine

Publications (1)

Publication Number Publication Date
CN201733119U true CN201733119U (en) 2011-02-02

Family

ID=43524275

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2010201993589U Expired - Fee Related CN201733119U (en) 2010-05-14 2010-05-14 Wind-light complementary controlling-inverting integrated machine

Country Status (1)

Country Link
CN (1) CN201733119U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102139823A (en) * 2011-03-28 2011-08-03 江苏通用电梯有限公司 Solar photovoltaic (PV) elevator control system with bidirectional power flow
CN102638061A (en) * 2011-02-12 2012-08-15 中国人民解放军总后勤部建筑工程研究所 General charging controller for wind-light-diesel combined power supply system and control method thereof
CN102790419A (en) * 2012-08-24 2012-11-21 扬州乔恒电子有限公司 Waterproof breeze charging controller by wind power generation
CN104167930A (en) * 2014-05-30 2014-11-26 上海芯哲微电子科技有限公司 Wind, light and electricity integrated inversion structure
CN104964236A (en) * 2015-07-01 2015-10-07 山东巨益新能源有限公司 Intelligent new energy LED street lamp and control method thereof

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102638061A (en) * 2011-02-12 2012-08-15 中国人民解放军总后勤部建筑工程研究所 General charging controller for wind-light-diesel combined power supply system and control method thereof
CN102638061B (en) * 2011-02-12 2014-12-03 中国人民解放军总后勤部建筑工程研究所 General charging controller for wind-light-diesel combined power supply system and control method thereof
CN102139823A (en) * 2011-03-28 2011-08-03 江苏通用电梯有限公司 Solar photovoltaic (PV) elevator control system with bidirectional power flow
CN102790419A (en) * 2012-08-24 2012-11-21 扬州乔恒电子有限公司 Waterproof breeze charging controller by wind power generation
CN104167930A (en) * 2014-05-30 2014-11-26 上海芯哲微电子科技有限公司 Wind, light and electricity integrated inversion structure
CN104964236A (en) * 2015-07-01 2015-10-07 山东巨益新能源有限公司 Intelligent new energy LED street lamp and control method thereof

Similar Documents

Publication Publication Date Title
CN101860270B (en) Access system for adequately utilizing wind energy and solar energy and realization method thereof
CN204190691U (en) Solar battery power Management Controller
CN101552476A (en) Household portable solar photovoltaic power
CN201733119U (en) Wind-light complementary controlling-inverting integrated machine
CN103944255A (en) Auxiliary power supply device used for new energy mobile base station and power supply method of auxiliary power supply device
CN103812140A (en) Wind energy, solar energy and commercial power complementary electric vehicle charging system
CN203119501U (en) Wind energy, solar energy and diesel engine integrated power supply system
CN103532480A (en) Power device of high-voltage direct current power transmission line fault monitoring terminal
CN204205617U (en) A kind of power conversion is generated electricity by way of merging two or more grid systems electric power system
CN104953927A (en) Novel solar and diesel hybrid power generation system
CN103825531A (en) Multi-energy complementation storage power generation system
CN203933138U (en) A kind of new type solar energy bimodulus electric supply installation for WSNs sensor node
CN203689693U (en) Intelligent networking control system for solar traffic light with dual power supplies
CN203596618U (en) Cabinet-type DC power supply system
CN202353294U (en) Off-grid power supply system
CN202121531U (en) Solar energy photovoltaic power supply system
CN201656848U (en) Access system for fully utilizing wind energy and solar energy
CN203690982U (en) Networking centralized control system for solar traffic light with dual power supplies
CN201504107U (en) Portable household solar photovoltaic power supply
CN201623516U (en) Solar photovoltaic application control system
CN104124702A (en) Lithium photovoltaic energy-storing grid-connected power supply system
CN201533263U (en) Wind-solar hybrid communication power system
CN203984006U (en) The grid-connected electric power system of lithium electricity photovoltaic energy storage
CN204304538U (en) A kind of solar electric vehicle charging device being installed at carport
CN202102663U (en) Wind-solar hybrid display system

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: 20110202

Termination date: 20130514