CN203660961U - Intelligent small-sized movable off-grid solar power generation system - Google Patents
Intelligent small-sized movable off-grid solar power generation system Download PDFInfo
- Publication number
- CN203660961U CN203660961U CN201320722961.4U CN201320722961U CN203660961U CN 203660961 U CN203660961 U CN 203660961U CN 201320722961 U CN201320722961 U CN 201320722961U CN 203660961 U CN203660961 U CN 203660961U
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- photovoltaic
- inverter
- solar power
- storage battery
- support bar
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E70/00—Other energy conversion or management systems reducing GHG emissions
- Y02E70/30—Systems combining energy storage with energy generation of non-fossil origin
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- Charge And Discharge Circuits For Batteries Or The Like (AREA)
Abstract
The utility model relates to an intelligent small-sized movable off-grid solar power generation system, which comprises an AC junction box, a distribution box and at least one group of photovoltaic units, wherein each of the photovoltaic units comprises a storage battery, a photovoltaic charging controller, an inverter and a photovoltaic assembly, the storage battery, the inverter and the photovoltaic assembly are all connected to the photovoltaic charging controller; the inverter of each of the photovoltaic units is connected to the AC junction box, one end of the distribution box is connected to the AC junction box, and the other end is connected to a load. The intelligent small-sized movable off-grid solar power generation system adopts the miniature inverters, the installation space is greatly saved compared with a traditional inverter, the miniature inverter adopts an MPPT algorithm, and the photovoltaic assembly is adjusted intelligent so as to maintain the best work efficiency.
Description
Technical field
The utility model relates to solar energy generation technology field, especially relates to a kind of intelligent small movable from net solar power system.
Background technology
Photovoltaic energy has become the most potential clean reproducible energy, and therefore countries in the world have risen to strategic height for the research and development of photovoltaic generation.Photovoltaic system can be in the wild for providing power supply without electricity or short of electricity occasion, be mainly civil and military electric power is provided, also may be used on the multiple fields such as life, production, natural calamity be emergent, military, it is electric power system very widely in application, also be environmental protection, sustainable development, new technology, new product that use value is high, there is extraordinary development prospect.
Show some Primary Components in photovoltaic energy industry development system and form new system, key technology in photovoltaic system is also the bottleneck in photovoltaic industry chain, photovoltaic solar cell plate is produced superfluous, research emphasis forwards the important key link that application is current photovoltaic technology development to, certainly also comprise the research of the critical component in photovoltaic system, as inverter, measuring unit, controller, rectifier and storage battery etc.
Photovoltaic power supply system has wide market and research and development space, especially the small-sized autonomous power supply system of off-grid type photovoltaic intelligentization, can provide electric power energy for startup power supply, mobile communication equipment, electric automobile charging station, household electrical appliance and the computer etc. of field electric power system, house or office lighting, military hardware, armored vehicle.
Larger photovoltaic enterprise of the world focuses on the manufacture of photovoltaic solar panel, and profit is larger, and equipment advanced person forms industry energy, and major fields are to develop solar energy photovoltaic panel, set up large-scale power station.But medium-sized and small enterprises are not overuse equipment, spelling fund, spelling output, but application photovoltaic battery panel is made work system, open up new application and research and development space, focus on how using solar photovoltaic technology forms small-sized electric power system, for family and minimized office system provide independent current source.This is the research topic being in a leading position on photovoltaic application field, and market prospects are boundless, also has research and development space.
One of solar powered feature, is unstable power, same solar generating battery assembly, in the case of different light, different temperatures and different output voltage, the power of its generating is different, and namely electric power is becoming, and power efficiency is also becoming.Therefore, first solar electric power supply system will manage to obtain maximum power, makes its generating efficiency the highest.
Its two, be to solve its unsettled problem because most of domestic consumer is all to need stable supplies of electric power by electric loading, could normally move.This prior art is adopted to the rear first electric power storage of generating, again by storage battery to load supplying, its advantage is to control simply, but prior art scheme is in order to meet loading demand, its storage battery consumption just need be by the several times of the normal power consumption of joined load, add when considering charge in batteries, it to be also load supplying, so better technical scheme adopts two group storage batteries, the consumption of storage battery also will be doubled, if consider, load may be motor type electrical equipment, its starting power is to demarcate the several times of lighting, that is exactly the normal start-up and operation that will be equipped with more storage battery and just can maintain load, therefore for domestic consumer, the shortcoming of its huge storage battery investment and waste is fatal, namely take resource many, efficiency is low, solar electric power serious waste of resources, cost of electricity-generating is strengthened, domestic consumer is beyond affordability, here domestic consumer refers to that one, a family has the essential common electric of life.
Another feature is that storage battery is the key link parts from net independent solar electric power system.Total institute is known, storage battery requires very high to charge and discharge control, any overvoltage, under-voltage, overload, overheated, short circuit, reversal connection and charge less, cross and put, overcharge with unsuitable charging method and all can damage storage battery, make that its efficiency for charge-discharge reduces, the life-span reduces.Particularly solar powered also have ageingly, and the power-on time of generating electricity every day is limited, general effective generating dutation only 5-6 hour.This is for the conventional release dimension type lead acid accumulator of domestic consumer, complete and reasonably carry out middle degree of depth charge and discharge process, at least need above charging in 10 hours, employing is filled soon method and is also wanted more than 7 hours, otherwise storage battery will be in the state of charge less or power shortage, long-term so have a strong impact on the life of storage battery and efficiency, prior art scheme to this all without solution.
Utility model content
The purpose of this utility model is to design a kind of novel intelligent small movable from net solar power system, addresses the above problem.
To achieve these goals, the technical solution adopted in the utility model is as follows:
A kind of intelligent small movable, from net solar power system, comprises and exchanges terminal box, distribution box and at least one group of photovoltaic cells;
Described in every group, photovoltaic cells comprises storage battery, photovoltaic charge controller, inverter and a photovoltaic module, and described storage battery, described inverter and a described photovoltaic module are all connected to described photovoltaic charge controller;
Described inverter described in every group among photovoltaic cells is all connected to described interchange terminal box, and described distribution box one end connects described interchange terminal box, and the other end connects load.
Described in every group, photovoltaic cells also comprises longitudinal carrier bar, front horizontal support bar, rear horizontal support bar, platform, pulley system and base plate;
Described front horizontal support bar and described rear horizontal support bar are fixed on described longitudinal carrier bar, on described longitudinal carrier bar, are connected on described base plate by support bar, and the bottom of described base plate arranges described pulley system, and described platform is arranged on described base plate;
Described photovoltaic charge controller and inverter are fixed on described longitudinal carrier bar, and described storage battery is arranged on described platform.
Described pulley system, for can tighten pulley system, is provided with set bolt on it.
Described support bar is retractable support lever.
Described inverter is Miniature inverter.
Photovoltaic cells described at least comprising two groups.
Object of the present invention is just to provide a kind of from net photovoltaic intelligentized miniature electric power system, to solve the problem of reliable poor, the service lifetime of accumulator of the lower and system of the fully applied solar energy illumination of existing photovoltaic battery panel, photoelectric conversion efficiency and efficiency, solve the problem that tradition causes whole system to work from net family solar generating system because of fault of converter.
The beneficial effects of the utility model can be summarized as follows:
1, the utility model adopts Miniature inverter, compared with conventional inverter, greatly saves installing space, and Miniature inverter adopts MPPT algorithm, and intelligence regulates photovoltaic module to keep optimum working efficiency.
2, the utility model photovoltaic module, charge controller, storage battery, Miniature inverter directly form a little entirety, have greatly reduced the transmission range of DC, reduce DC loss, conveniently moving.
3, the direct output AC electricity of the little entirety of the utility model, several little entirety compose in parallel a slightly large off-grid type solar power system of power, can not go wrong and cause whole system not work because of certain little entirety, improve flexibility and the reliability of system.
Accompanying drawing explanation
Fig. 1 is that existing tradition is from net household solar energy electricity generation system framework map;
Fig. 2 is system architecture figure of the present invention;
Fig. 3 is the end view of actual installation effect;
Fig. 4 is the rearview of actual installation effect;
Fig. 5 is the vertical view of actual installation effect.
Wherein, photovoltaic controller 1, Miniature inverter 2, longitudinal carrier bar 3, front horizontal support bar 4, platform 5, storage battery 6, pulley system 7, rear horizontal support bar 8, support bar 9, base plate 10, photovoltaic module 11, load 12, interchange terminal box 13, distribution box 14.
Embodiment
Clearer for technical problem, technical scheme and beneficial effect that the utility model is solved, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain the utility model, and be not used in restriction the utility model.
One intelligence small movable as shown in Figures 2 to 5, from net solar power system, comprises and exchanges terminal box, distribution box and at least one group of photovoltaic cells; Described in every group, photovoltaic cells comprises storage battery, photovoltaic charge controller, inverter and a photovoltaic module, and described storage battery, described inverter and a described photovoltaic module are all connected to described photovoltaic charge controller; Described inverter described in every group among photovoltaic cells is all connected to described interchange terminal box, and described distribution box one end connects described interchange terminal box, and the other end connects load.
In the embodiment being more preferably, described in every group, photovoltaic cells also comprises longitudinal carrier bar, front horizontal support bar, rear horizontal support bar, platform, pulley system and base plate; Described front horizontal support bar and described rear horizontal support bar are fixed on described longitudinal carrier bar, on described longitudinal carrier bar, are connected on described base plate by support bar, and the bottom of described base plate arranges described pulley system, and described platform is arranged on described base plate; Described photovoltaic charge controller and inverter are fixed on described longitudinal carrier bar, and described storage battery is arranged on described platform.
In the embodiment being more preferably, described pulley system, for can tighten pulley system, is provided with set bolt on it.Described support bar is retractable support lever.Described inverter is Miniature inverter.Photovoltaic cells described at least comprising two groups.
As shown in Figure 1, multiple photovoltaic modulies are cascaded, and then export DC to photovoltaic controller, and photovoltaic controller connects storage battery and inverter, and last inverter connects load.This system is transmitted as with DC and leads, energy loss is large, and DC voltage is high, potential safety hazard is large; Because direct voltage is high, be difficult to be protected the useful life of storage battery; Adopt single inverter, as long as this inverter breaks down, before this inverter is fixed or changed, system just cannot normally be worked so, and reliability is low; Multiple photovoltaic modulies are cascaded, and inverter is difficult to make whole photovoltaic system to keep optimal operational condition, can not photovoltaic system maximizing efficiency.
(1) each photovoltaic module connects photovoltaic charge controller as shown in Figure 2, and photovoltaic controller connects storage battery and Miniature inverter, and last all component is connected to and exchanges terminal box one distribution box one load.(2) the present invention adopts photovoltaic module, photovoltaic controller, storage battery and the Miniature inverter mode that is closely connected as a single entity, and has greatly reduced the transmission range of DC, reduces DC loss.(3) use compared with an inverter with Fig. 1 whole system, for each solar panel in system is equipped with a Miniature inverter and can again promotes the conversion efficiency of whole system.The main benefit of Miniature inverter topology is that, even if one of them inverter breaks down, power conversion still can be carried out.Adopt other benefit of Miniature inverter to comprise the conversion parameter that can utilize high resolution PWM to adjust each solar panels.Due to cloud, shade and the in the shade output that can change each panel, for being equipped with exclusive Miniature inverter, each panel adapts to the loading condition constantly changing with regard to permission system.This all provides optimal conversion efficiency for each panel and whole system.Thereby reliable poor, the problem that causes whole system to work because of fault of converter of the lower and system of the fully applied solar energy illumination of existing photovoltaic battery panel, photoelectric conversion efficiency that solves.(4) voltage and current that monolithic photovoltaic module produces can be very not large, keeps maximum power point operation because Miniature inverter has made photovoltaic module, and native system adopts PWM-type photovoltaic controller, and it is with the input of pwm pulse mode switch photovoltaic array.In the time that storage battery trend is full of, the frequency of pulse and time shorten, it can increase global cycle life-span of storage battery in photovoltaic system.
Shown in Fig. 3, Fig. 4, Fig. 5, photovoltaic module, photovoltaic controller, Miniature inverter, storage battery, support have formed a little entirety, have fully shown this mobility from net solar generating system, are applicable to very much areas without electricity or power-shortage area and use.Brief description: photovoltaic controller and Miniature inverter are fixed on above the longitudinal carrier bar of a top of the trellis, and photovoltaic module is erected at above longitudinal carrier bar.Storage battery is placed on platform top, is positioned at the centre of little entirety, can effectively prevent from that rainwater from splashing with sun to arrive, and the weight ratio of storage battery is larger, can play fixing little entirety and prevent from producing because of wind the effect of displacement.Frame bottom has been installed pulley system, and the position of convenient mobile little entirety, in the time moving to target ground or do not need to move, can tighten the set bolt of pulley system.Support bar adopts extension type design, and 15 °, 20 °, 25 °, 30 ° of photovoltaic module panel angle adjustable scopes, adapt to different setting angles.Whole supporting structure part all adopts aluminum corner brace support bar, and intensity is high, good corrosion resistance; Employing standard bolt connects, and installs simple; Adopt general purpose module fixed form, convenient and reliable.
More than by the detailed description of concrete and preferred embodiment the utility model; but those skilled in the art should be understood that; the utility model is not limited to the above embodiment; all within spirit of the present utility model and principle; any modification of doing, be equal to replacement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. intelligent small movable, from a net solar power system, is characterized in that: comprise and exchange terminal box, distribution box and at least one group of photovoltaic cells;
Described in every group, photovoltaic cells comprises storage battery, photovoltaic charge controller, inverter and a photovoltaic module, and described storage battery, described inverter and a described photovoltaic module are all connected to described photovoltaic charge controller;
Described inverter described in every group among photovoltaic cells is all connected to described interchange terminal box, and described distribution box one end connects described interchange terminal box, and the other end connects load.
2. intelligent small movable according to claim 1, from net solar power system, is characterized in that: described in every group, photovoltaic cells also comprises longitudinal carrier bar, front horizontal support bar, rear horizontal support bar, platform, pulley system and base plate;
Described front horizontal support bar and described rear horizontal support bar are fixed on described longitudinal carrier bar, on described longitudinal carrier bar, are connected on described base plate by support bar, and the bottom of described base plate arranges described pulley system, and described platform is arranged on described base plate;
Described photovoltaic charge controller and inverter are fixed on described longitudinal carrier bar, and described storage battery is arranged on described platform.
3. intelligent small movable according to claim 2, from net solar power system, is characterized in that: described pulley system, for can tighten pulley system, is provided with set bolt on it.
4. intelligent small movable according to claim 2, from net solar power system, is characterized in that: described support bar is retractable support lever.
5. intelligent small movable according to claim 1, from net solar power system, is characterized in that: described inverter is Miniature inverter.
6. intelligent small movable according to claim 1, from net solar power system, is characterized in that: photovoltaic cells described at least comprising two groups.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722961.4U CN203660961U (en) | 2013-11-15 | 2013-11-15 | Intelligent small-sized movable off-grid solar power generation system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320722961.4U CN203660961U (en) | 2013-11-15 | 2013-11-15 | Intelligent small-sized movable off-grid solar power generation system |
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| Publication Number | Publication Date |
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| CN203660961U true CN203660961U (en) | 2014-06-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320722961.4U Expired - Fee Related CN203660961U (en) | 2013-11-15 | 2013-11-15 | Intelligent small-sized movable off-grid solar power generation system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300878A (en) * | 2014-09-23 | 2015-01-21 | 中天科技光纤有限公司 | Energy recovery device of drawing furnace |
| WO2016078493A1 (en) * | 2014-11-18 | 2016-05-26 | 南通久盛新材料科技有限公司 | Composite material solar power generation support frame |
-
2013
- 2013-11-15 CN CN201320722961.4U patent/CN203660961U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104300878A (en) * | 2014-09-23 | 2015-01-21 | 中天科技光纤有限公司 | Energy recovery device of drawing furnace |
| WO2016078493A1 (en) * | 2014-11-18 | 2016-05-26 | 南通久盛新材料科技有限公司 | Composite material solar power generation support frame |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20141115 |
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| EXPY | Termination of patent right or utility model |