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CN202268820U - Integrated portable solar power station - Google Patents

Integrated portable solar power station Download PDF

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Publication number
CN202268820U
CN202268820U CN2011202554992U CN201120255499U CN202268820U CN 202268820 U CN202268820 U CN 202268820U CN 2011202554992 U CN2011202554992 U CN 2011202554992U CN 201120255499 U CN201120255499 U CN 201120255499U CN 202268820 U CN202268820 U CN 202268820U
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CN
China
Prior art keywords
power station
output
solar power
communication bus
energy
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
CN2011202554992U
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Chinese (zh)
Inventor
贲礼进
陈继永
曹莹
浦振托
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.)
Nantong Textile Vocational Technology College
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Nantong Textile Vocational Technology College
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Filing date
Publication date
Application filed by Nantong Textile Vocational Technology College filed Critical Nantong Textile Vocational Technology College
Priority to CN2011102024079A priority Critical patent/CN102891626A/en
Priority to CN2011202554992U priority patent/CN202268820U/en
Application granted granted Critical
Publication of CN202268820U publication Critical patent/CN202268820U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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    • 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
    • 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
    • Y02E70/00Other energy conversion or management systems reducing GHG emissions
    • Y02E70/30Systems combining energy storage with energy generation of non-fossil origin

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

Abstract

The utility model discloses an integrated portable solar power station, used for supplying power for single-phase AC loads. The integrated portable solar power station comprises a photovoltaic assembly 11, a circuit fixing device 12, an AC output plug 13, an AC output jack 14, a communication bus plug 15, a communication bus jack 16, a DC output wiring 17, a lithium battery fixing device 18 and a radiator 19 and integrates the devices into an entirety of which the volume is not large. The voltage and frequency of a power station output AC electric energy are selected by dial switches 101 and 102 respectively, and an energy storage device can be in vacancy or is equipped with a built-in lithium battery or is externally connected with a lead-acid storage battery selectively according to demands. When a power station can not satisfy the demands, same type power stations can be in parallel connections to improve an output power; and when the power stations are connected, the AC output plugs 13 and AC output jacks 14 of two power stations can be connected to form an AC output bus, and the communication bus plugs 15 and communication bus jacks 16 can be connected to form a communication bus. The integrated portable solar power station of the utility model has the advantages of convenient installation and moving, agile assembly modes, etc.

Description

A kind of integrated portable solar power station
Technical field
The utility model relates to a kind of solar power station, particularly a kind of solar power station of integrated portable.
Background technology
Along with The development in society and economy, also increasing to demands for energy, and traditional energy such as coal, oil etc., resource-constrained, and have problem of environmental pollution.Solar energy has cleaning, uses characteristics such as pollution-free, that distribution is extensive, inexhaustible as a kind of regenerative resource.How effectively using solar power generation is one of effective means that solves energy crisis and environmental problem, and this has become the common recognition of various countries, also becomes the hot issue of present research.
What solar power system produced is direct current energy, needs the equipment of DC power supply to use more convenient for solar street light or communication base station etc.But for many electricity consumption occasions, most need of load AC powers need install direct current additional to the conversion equipment that exchanges when therefore using.At present; The main application scheme of the solar power system of output AC power source has two kinds of building photovoltaic and ground photovoltaics; The roof photovoltaic generating system is the principal mode of building photovoltaic, generally be applied in the roof in city, and the ground photovoltaic generally is applied in the outlying mountain area that electrical network can not arrive more; Adopt from web frame, for a certain area supplies power specially.These two kinds of forms all exist volume big; Need big special-purpose place, install complicatedly, characteristics such as can not move after the installation; And system needs the professional to carry out Installation and Debugging to the scene when installing; If the emerged in operation fault also needs the professional to carry out maintenance and inspection to the scene, these have all limited the flexibility that solar power generation utilizes.
Given this, this mode of solar power generation fails effectively to enter into huge numbers of families, has limited the popularization and the utilization of solar power system.If can design a kind of solar power station, on the basis of guaranteeing stability, reduce the complexity of installing, improve the portability and the mobility in power station, one makes solar power system effectively promoted surely.
The utility model content
The problem that the utility model need solve is, designs a kind of solar power station, cube little; In light weight, the user can combine actual needs, selects the installation site, power station; The domestic consumer can be installed on the power station on balcony or the windowsill, and mobile AC load can be installed on the mobile device.
Technical scheme: a kind of integrated portable solar power station; It is made up of to AC conversion apparatus and communication device photovoltaic module, radiator, energy storage equipment, control device, protective device, direct current; Be mounted to one integral body; Can be through exchanging the AC energy of output line output, said energy storage equipment is changeable.
When the output electric energy in a power station can not satisfy need of load, the user can adopt the parallel connection of Duo Tai power station, improves power output; Parallel system utilizes communication bus to realize principal and subordinate's control; Parallel system is coordinated, when in the system break down in certain power station, can automatic and ac bus disconnection.
As optimization; With whole single-phase in net type solar power plant system is integrated in the little casing of a volumes; The wiring and the debugging work of complicacy need not the professional and install when having avoided solar power station to install, and the user connects several simple plugs according to specification and can use.
As optimization, the power station area is no more than 2m 2, weight is no more than 10Kg.
As optimization; System's output voltage, frequency can be adjusted according to user's needs, and voltage can be selected 100V, 110V, 220V or 380V fourth gear through toggle switch, and frequency can be selected two grades of 50Hz or 60Hz through toggle switch; Like other voltages of need or frequency, can adjust through revising software.
As optimization, the system integration defencive function, have under-voltage protection, direct current overcurrent protection, exchange overcurrent protection, exchange overvoltage protection and power station overtemperature protection, defencive function is complete, can guarantee the safety of power station and load.
As optimization, when need of load can not be satisfied in a power station, can be with the parallel connection of Duo Tai power station; Improve power output, maximum parallelly connected platform number is no more than 100, and when in the parallel system break down in certain power station; Getting in touch of automatic disconnection and ac bus is in order to avoid influence whole system.
As optimization, during the parallel connection of power station, adopt the mode of principal and subordinate's control; Main electrical power plant produces through competition mechanism, and the power station of promptly sending transient current through communication bus the earliest is a main electrical power plant, and other power stations are from the power station; Main electrical power plant adopts voltage, current double closed-loop control, and the main electrical power plant current instantaneous value that adopts communication bus to receive from the power station is a set-point, realizes current closed-loop control; Can control power station output voltage and electric current preferably, guarantee to be independent of each other between each power station.
As optimization, can if the user uses in illumination preferably daytime, can be unworthy of energy storage equipment, to save cost according to user's actual conditions apolegamy energy storage equipment; If the user uses in family, can select external lead acid accumulator for use, to reduce cost, improve cost performance; If it is less that the user hopes that the space is occupied in the power station, or often need to move, can match built-in lithium battery, to improve flexibility, control device can be judged the difference of energy storage equipment automatically, selects the different control strategies that discharges and recharges.
As optimization, AC energy can select out splice going splice that electric energy is exported, and also can select output plughole that electric energy is exported; In system when parallel connection, plug that can a back power station inserts in last the jack, connection successively; Form ac bus, final AC energy is exported electric energy through the interchange out splice going splice in power station or the interchange output plughole in rearmost end power station foremost, and the communication bus in every power station also is furnished with joint and two kinds of connected modes of jack; One the plug in back can insert in last the jack, forms communication bus, makes things convenient for main electrical power plant to send the transient current signal; So that follow from the power station, this connected mode is simple, is convenient to the user and connects; And the plug of communication bus, jack and the plug, the jack size that exchange output line do not match, and do not worry misconnection and damage the power station.
This power station does not need professional's Installation and Debugging, and the method that the user introduces according to specification simply connects the several threads pipeline connector and just can use, and has reduced the complexity of installing.The power station is output as AC energy, and voltage can be selected 100V, 110V, 220V or 380V fourth gear through toggle switch, and frequency can be selected two grades of 50Hz or 60Hz through toggle switch, like other voltage of need or frequency, can adjust through revising software.Inside, power station has under-voltage protection, direct current overcurrent protection, exchanges overcurrent protection, exchanges overvoltage protection and power station overtemperature protection, and defencive function is complete, can guarantee the safety of power station and load.The accumulation of energy mode can be selected voluntarily according to user's needs in this power station, like the mainly use on daytime in sun-drenched area of power consumption equipment, can select not adorn energy storage equipment, reduces cost; Like power consumption equipment is that mobile device or user need frequent mobile power station position, can select little, the lightweight lithium battery of built-in volume as energy storage equipment, to improve the portability in power station; Be mainly household electrical appliance like power consumption equipment, the power station does not need often to move, and can select lead acid accumulator as energy storage equipment, practices thrift cost, improves cost performance; The different control strategies that discharges and recharges is selected according to the energy storage equipment type that identifies by system.When need of load can not be satisfied in a power station, can the parallel connection of Duo Tai power station be improved power output, reliable for guaranteeing system stability, maximum parallelly connected platform number is no more than 100.The mode of principal and subordinate's control is adopted in the parallel connection power station, and main electrical power plant produces through each power station competition mechanism.Main electrical power plant adopts voltage, current double closed-loop control, and the main electrical power plant current instantaneous value that adopts communication bus to receive from the power station is a set-point, realizes current closed-loop control, can guarantee to be independent of each other between each power station, and system stability is reliable.When in the parallel system broke down in certain power station, the getting in touch of automatic disconnection and ac bus was in order to avoid influence whole system.The user can select to use several groups of power station parallel connections flexibly according to load electricity consumption situation, improve the load-carrying ability of system, and parallel system has the hot plug function.
Beneficial effect: the described a kind of integrated portable solar power station of the utility model, stable, safe, easy to use, be fit to popularization of general family and use.
Description of drawings
Fig. 1 is the topology layout sketch map of the utility model;
Fig. 2 is that the inside of the utility model is formed and power station parallel connection sketch map;
Fig. 3 is the parallel system control block diagram of the utility model;
Fig. 4 is the unit control flow chart of the utility model.
Embodiment
Below in conjunction with specific embodiment the utility model is described further:
As shown in Figure 1; A kind of integrated portable solar power station comprises photovoltaic module 11, circuit fixture 12, interchange output plug 13, interchange output plughole 14, communication bus plug 15, communication bus jack 16, direct current output connection 17, lithium battery fixture 18 and radiator 19 compositions.Among the figure, a is the back side each several part layout of its photovoltaic module 11, and b is the power station left view.Photovoltaic module 11 back sides are equipped with radiator 19 and circuit mounting box 10.In circuit mounting box 10, the left side is a lithium battery fixture 18, and this part can vacant or use direct current output connection 17 external lead acid accumulators.On circuit mounting box 10 right sides is circuit fixture 12; Detection and control unit, direct current all are integrated in this part to exchanging converting unit, protected location and communication unit; This part converts direct current energy to AC energy, through exchanging output plug 13 or exchanging output plughole 14 outputs.The user can be according to need of load; Selecting the voltage of output AC electric energy through toggle switch 101 is 220V, 380V, 110V or 100V; Selecting the frequency of output AC electric energy through toggle switch 102 is 60Hz or 50Hz, like other voltages of need and frequency, needs to realize through revising software.Owing to consider the portability in power station; The volume of the utility model is less; General separate unit power station area is no more than 2 square meters, and weight is no more than 10Kg, has caused its power output can be too not high like this; Therefore when need of load can not be satisfied in a power station, can adopt the parallel connection of Duo Tai power station to improve power output.For avoiding influencing each other between the parallelly connected power station, damage the power station, the utility model adopts communication bus to coordinate each power station of control, realizes the control of output electric energy, and communication realizes through communication bus plug 15 or communication bus jack 16 between the power station.
Inner composition in the integrated portable type solar energy of Fig. 2 power station and multistation parallel connection sketch map are wherein; 200 and 201 is two integrated portable solar power stations that structure is identical; Realize parallel connection through communication bus and ac bus, adopt same procedure can realize the parallel connection of Duo Tai power station, improve power output.For separate unit integrated portable solar power station 200, have the dotted line expression signal stream of arrow in the frame, solid line is represented energy stream.Photovoltaic module 23 becomes direct current energy with transform light energy, through direct current to the conversion equipment 25 that exchanges, output AC electric energy.When if the electric energy that photovoltaic module 23 produces remains electric in addition; Detection and control device 22 send instruction; Energy storage equipment 27 is charged; That energy storage equipment can be selected is vacant, lithium battery 28 or 29 3 kinds of situation of lead acid accumulator, detects and control device 22 can be judged the type of energy storage equipment, thereby adopts the different control strategies that discharges and recharges.When the electric energy that photovoltaic module 23 produces can not satisfy need of load, detection and control device 22 sent instruction, used energy storage equipment 27 discharges, electric energy supplement.Detection and 22 pairs of energy storage equipments 27 of control device detect simultaneously, prevent to overcharge and cross to put.Protective device 26 has under-voltage protection, direct current overcurrent protection, exchanges overcurrent protection, exchanges functions such as overvoltage protection and overtemperature protection, when breaking down in the power station, stops power station work, and through display unit prompting failure cause.Heat abstractor 24 adopts air cooling way that direct current is dispelled the heat to the conversion equipment 25 that exchanges, and prevents the too high damage element of temperature.Direct current to exchange converting unit 25 through output control relay 206 with exchanges output plug 203 and to exchange output plughole 202 continuous.When needing parallel connection, the interchange output plug 203 in second power station (with among Fig. 1 13) inserts in the interchange output plughole 202 (with among Fig. 1 14) in first power station, and method is similar during the parallel connection of Duo Tai power station, thereby forms ac bus.AC energy can output from the interchange output plughole 202 in the interchange output plug 203 in first power station or last power station.The communication unit 21 in each power station is connected to communication bus plug 204 (with among Fig. 1 15) and communication bus jack 205 (with among Fig. 1 16).When needing parallel connection, second communication bus plug 204 inserts the communication bus jack 204 in first power station, forms communication bus, thereby coordinates the output control in each power station.The parallel connection electric power station system adopts principal and subordinate's control mode, and each power station produces main electrical power plant through competition, and the power station of promptly sending self current instantaneous value the earliest is a main electrical power plant.Main electrical power plant is the control of voltage, current double closed-loop, output single-phase alternating current, and through detecting and control device 22 is delivered to detected instantaneous output current in the communication unit 21, by communication bus to respectively sending its instantaneous output current value from the power station.Receive main electrical power plant instantaneous output current signal from the communication unit 21 in power station, pass to and detect and control device 22, the given signal as the current closed-loop control from the power station makes the output current of following main electrical power plant from the power station, realizes electric current output control.When in the parallelly connected electric power station system broke down in certain power station, detection and control device 22 sent signal, and the output control relay 206 in this power station is broken off, and guaranteed that this power station does not influence parallel system, also can play a protective role to self, avoided more serious damage.If main electrical power plant breaks down; Except that break off through output control relay 206 with the getting in touch of ac bus; Also should stop to send the transient current value through communication bus, at this moment, other detect the transient current value of sending less than main electrical power plant from the power station; Competition produces main electrical power plant once more, sends the transient current value by new main electrical power plant.The parallel way in this power station need not increase extra controller or detecting unit; Can be connected the reliable and stable power station parallel system of a cover through power station and two lines between the power station; Operation is simple, and favorable expandability can realize the hot plug operations in parallelly connected power station; And each power station is the ability steady operation all, produces any influence mutually hardly.In addition, can link to each other with PC through communication bus when needed, realize the monitoring of host computer.
Fig. 3 is the parallel system control block diagram of the utility model.Parallel system 32 is made up of from the power station with n main electrical power plant 31, and its output is received on the ac bus 33.Main electrical power plant adopts voltage, current double closed-loop control, and outer shroud adopts voltage PI control, and interior ring adopts the control of current hysteresis ring.U wherein RefBe the given signal of standard, U 0ofBe the main electrical power plant output voltage feedback signal, the two difference is the output current reference quantity after pi regulator is handled, and wherein UKP is the voltage ratio regulon, and UKI is the voltage integrating meter regulon.I in the current inner loop 0ofBe main electrical power plant output current value of feedback,, also adopt the control of current hysteresis ring from the power station, I again as the given signal of electric current from the power station NofOutput current value of feedback for n from the power station.The difference of current feedback signal and electric current set-point is after Gi (s) amplifies; To AC converter, direct current needs again AC energy to be delivered to load through low pass filter LPF filtering high order harmonic component again to the ac electric of AC converter output through the ring controller processing controls direct current that stagnates.This control system has the static accuracy height, rapid dynamic response speed, and output harmonic wave is little, can not produce characteristics such as influence each other between the power station.
Fig. 4 is the unit control flow chart of the utility model.When the power station is parallelly connected; Detect the given signal of electric current whether communication bus has main frame to send earlier,, then press the slave operation if signal is arranged; Adopt the current closed-loop control mode; Follow main frame electric current output, judge then whether self work normal, and if undesired through relay break off with ac bus between be connected; If there is not signal, wait for then whether detect communication bus again behind the 30ms has signal, if signal is arranged; Then press the slave operation,, then self is made as main electrical power plant if still there is not signal; Adopt voltage, current double closed-loop control, the single phase alternating current (A.C.) signal of output 220V/50Hz judges then whether normal self works; If normal, the transient current value is sent to other slaves through communication bus, if undesired; Break off and being connected of ac bus through relay, and stop to communication bus transmission signal.

Claims (5)

1. integrated portable solar power station; It is characterized in that: it is made up of to AC conversion apparatus and communication device photovoltaic module, radiator, energy storage equipment, control device, protective device, direct current; Be mounted to one integral body; Can be through exchanging the AC energy of output line output, said energy storage equipment is changeable.
2. a kind of integrated portable solar power station according to claim 1 is characterized in that: with whole single-phase in net type solar power plant system is integrated in a casing.
3. a kind of integrated portable solar power station according to claim 1, it is characterized in that: the power station area is no more than 2m2, and weight is no more than 10Kg.
4. a kind of integrated portable solar power station according to claim 1; It is characterized in that: system's output voltage, frequency adjustable are put in order; Voltage can be selected 100V, 110V, 220V or 380V fourth gear through toggle switch, and frequency can be selected 50Hz or two grades of 60Hz or adjusts through revising software through toggle switch.
5. a kind of integrated portable solar power station according to claim 1 is characterized in that: AC energy can select out splice going splice that electric energy is exported, and also can select output plughole that electric energy is exported; When system's parallel connection; Can the plug in a back power station be inserted in last the jack, connect successively, form ac bus; Final AC energy is through the interchange out splice going splice in power station or the interchange output plughole in rearmost end power station are exported electric energy foremost; The communication bus in every power station also is furnished with joint and two kinds of connected modes of jack, and back one plug can insert in last the jack, forms communication bus.
CN2011202554992U 2011-07-19 2011-07-19 Integrated portable solar power station Expired - Fee Related CN202268820U (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2011102024079A CN102891626A (en) 2011-07-19 2011-07-19 Integrated portable solar power station
CN2011202554992U CN202268820U (en) 2011-07-19 2011-07-19 Integrated portable solar power station

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CN2011102024079A CN102891626A (en) 2011-07-19 2011-07-19 Integrated portable solar power station
CN2011202554992U CN202268820U (en) 2011-07-19 2011-07-19 Integrated portable solar power station

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Cited By (2)

* Cited by examiner, † Cited by third party
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CN102820798A (en) * 2012-08-13 2012-12-12 中利腾晖光伏科技有限公司 Integral alternating-current device applied to photovoltaic module
CN107026498A (en) * 2017-03-17 2017-08-08 山东新华联新能源科技有限公司 Lithium electricity photovoltaic module and the solar cell street lamp with it

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CN104035041B (en) * 2014-06-10 2017-02-08 白静文 Monitoring system for electric storage battery
CN104538986B (en) * 2014-12-31 2017-01-18 阳光电源股份有限公司 Parallel inverter control method, host, slave machines and system
NO20190023A1 (en) * 2019-01-07 2020-07-08 Easee As Electrical assembly for a charging station
CN111341432B (en) * 2020-02-11 2024-04-30 深圳智裳科技有限公司 Intelligent body shaping clothing control method, device, computer equipment and storage medium

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CN100356654C (en) * 2005-07-08 2007-12-19 浙江大学 Automatic master-slave parallel apparatus for inverter
CN201345556Y (en) * 2008-12-24 2009-11-11 张雷 Series connection and parallel connection conversion device for storage battery pack
CN201332367Y (en) * 2008-12-30 2009-10-21 王新愚 Solar energy movable power station
CN101510104B (en) * 2009-04-08 2011-11-09 华为技术有限公司 Three phase ac voltage stabilizer applying multi-standard method and three phase ac voltage stabilizer
CN101873007B (en) * 2010-06-28 2012-06-27 北京四方继保自动化股份有限公司 Micro-grid relay protection and automation integrated intelligent protection system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102820798A (en) * 2012-08-13 2012-12-12 中利腾晖光伏科技有限公司 Integral alternating-current device applied to photovoltaic module
CN107026498A (en) * 2017-03-17 2017-08-08 山东新华联新能源科技有限公司 Lithium electricity photovoltaic module and the solar cell street lamp with it

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Granted publication date: 20120606

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