CN204046511U - A kind of gain-type Intelligent photovoltaic combiner box - Google Patents
A kind of gain-type Intelligent photovoltaic combiner box Download PDFInfo
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- CN204046511U CN204046511U CN201420338084.5U CN201420338084U CN204046511U CN 204046511 U CN204046511 U CN 204046511U CN 201420338084 U CN201420338084 U CN 201420338084U CN 204046511 U CN204046511 U CN 204046511U
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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
Abstract
The utility model discloses a kind of gain-type Intelligent photovoltaic combiner box, comprise some for photovoltaic input photovoltaic module, some MPPT maximum power point tracking modules, some short circuit protection modules, one for by multichannel photovoltaic input be pooled to one piece so that input one inverter confluence module, a surge protection module; Photovoltaic module, a MPPT maximum power point tracking module access confluence module after being connected successively with a short circuit protection module; Described surge protection module be connected to confluence module after photovoltaic outlet line on.By the way; a kind of gain-type Intelligent photovoltaic combiner box that the utility model provides; take the lead on the function basis of original photovoltaic combiner box; to conflux, short-circuit protection, surge protection, MPPT maximum power point tracking, communication monitor each function and design according to each function modoularization; and be integrated together, greatly improve the function of photovoltaic power station power generation efficiency, report increase photovoltaic plant income.
Description
Technical field
The utility model relates to a kind of photovoltaic combiner box, particularly relates to a kind of gain-type Intelligent photovoltaic combiner box.
Background technology
As far back as 1839, French scientist shellfish Crelle (Becqurel) just found, illumination can make to produce potential difference between the different parts of semi-conducting material.This phenomenon was called as " photovoltaic effect " afterwards, was called for short " photovoltaic effect ".1954, the proper guest of American scientist and Pierre pine made practical single crystal silicon solar cell first in U.S.'s Bell Laboratory, have been born and solar energy have been converted to the practical photovoltaic power generation technology of electric energy.After 20 century 70s, along with the development of modern industry, global energy crisis and atmosphere polluting problem become increasingly conspicuous, and traditional fuel energy reduces day by day.While the harm caused environment becomes increasingly conspicuous, the whole world about has 2,000,000,000 people to can not get normal energy supply.In this time, regenerative resource has all been invested sight in the whole world, wishes that regenerative resource can change the energy resource structure of the mankind, maintains long-range sustainable development, and among this, solar energy becomes the focus that people pay attention to its exclusive advantage.
Abundant solar radiant energy is the important energy, because have inexhaustible, nexhaustible, pollution-free, cheap feature, the energy that the mankind can freely utilize.Solar energy arrives the energy on ground each second up to 800,000 kilowatt hours, if the solar energy of earth surface 0.1% is transferred to electric energy, number turnover 5%, every annual energy output can reach 5.6 × 1012 kilowatt-hours, is equivalent to 40 times of energy consumption in the world.Just because of these unique advantages of solar energy, after the eighties in 20th century, the kind of solar cell is on the increase, range of application is day by day wide, market scale also progressively expands.After the nineties in 20th century, photovoltaic generation is fast-developing, and the every countries such as the U.S., Germany, Japan, China, Switzerland, France, Italy, Spain, Finland launch respectively various subsidy policy to promote the development of photovoltaic generation industry.
In solar photovoltaic generation system, in order to the line reduced between solar-energy photo-voltaic cell array and inverter often uses header box.The Main Function of header box carries out one-level to the input of photovoltaic battery array to conflux, and is linked into the line of inverter, optimization system structure for reducing photovoltaic cell arrays, improves reliability and maintainability.But most of header box substantially only reports the defencive function that simply confluxes, and this kind of mode loss in efficiency is larger, do not possess the function increasing photovoltaic plant income.
Utility model content
The technical problem that the utility model mainly solves is to provide a kind of gain-type Intelligent photovoltaic combiner box; take the lead on the function basis of original photovoltaic combiner box; to conflux, short-circuit protection, surge protection, MPPT maximum power point tracking, communication monitor each function and design according to each function modoularization; and be integrated together, greatly improve the function of photovoltaic power station power generation efficiency, report increase photovoltaic plant income.
For solving the problems of the technologies described above; the technical scheme that the utility model adopts is: provide a kind of gain-type Intelligent photovoltaic combiner box, the MPPT maximum power point tracking module of some photovoltaic modulies for photovoltaic input, some maximum power points for the input of accurate tracking every road photovoltaic, some for photovoltaic input in every road is carried out short-circuit protection short circuit protection module, one for the input of multichannel photovoltaic is pooled to one piece and then input one inverter confluence module, one the photovoltaic after gathering through confluence module is exported to the surge protection module carrying out surge protection.
Photovoltaic module, a MPPT maximum power point tracking module access confluence module after being connected successively with a short circuit protection module, thus the input of multichannel photovoltaic inputs confluence module respectively after MPPT maximum power point tracking module and short circuit protection module.
In the utility model preferred embodiment, also include monitoring communication module in described gain-type Intelligent photovoltaic combiner box, described monitoring communication module exports each road photovoltaic input and photovoltaic and carries out remote monitoring communication.
In the utility model preferred embodiment, also include supply module in described gain-type Intelligent photovoltaic combiner box, described supply module and described monitoring communication module and MPPT maximum power point tracking module are interconnected; Described supply module is from the power taking of photovoltaic input side and be transformed into the operating voltage that MPPT maximum power point tracking module and communication monitor module need, thus realizes monitoring communication module and MPPT maximum power point tracking module for power supply.
In the utility model preferred embodiment, in described MPPT maximum power point tracking module, be provided with maximum power point tracking device.
In the utility model preferred embodiment, analog-digital converter and the MPPT maximum power point tracking controller of the voltage and current in sampling supply module is included in described maximum power point tracking device, described MPPT maximum power point tracking controller draws photovoltaic input maximum power point, and provides control signal.
In the utility model preferred embodiment; include in described short circuit protection module and judge whether to be short-circuited according to the state variation of output voltage; element when short circuit in gain-type Intelligent photovoltaic combiner box quits work, thus realizes the short-circuit protection circuit of short-circuit protection.
In the utility model preferred embodiment, in described surge protection module, include Surge Protector surge overvoltage being introduced the earth.
The beneficial effects of the utility model are: take the lead on the function basis of original photovoltaic combiner box; to conflux, short-circuit protection, surge protection, MPPT maximum power point tracking, communication monitor each function and design according to each function modoularization; and be integrated together, greatly improve the function of photovoltaic power station power generation efficiency, report increase photovoltaic plant income.
Accompanying drawing explanation
In order to be illustrated more clearly in the technical scheme in the utility model embodiment, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings, wherein:
Fig. 1 is the circuit theory diagrams of a kind of gain-type Intelligent photovoltaic combiner box one of the present utility model preferred embodiment;
Fig. 2 is the auxiliary circuit schematic diagram of a kind of gain-type Intelligent photovoltaic combiner box one of the present utility model preferred embodiment;
Fig. 3 is the system block diagram of a kind of gain-type Intelligent photovoltaic combiner box maximum power point tracking device one of the present utility model preferred embodiment;
Fig. 4 is the circuit diagram of a kind of gain-type Intelligent photovoltaic combiner box short-circuit protection circuit one of the present utility model preferred embodiment.
In accompanying drawing, the mark of each parts is as follows: 1, photovoltaic module; 2, MPPT maximum power point tracking module; 3, short circuit protection module; 4, confluence module; 5, surge protection module; 6, supply module; 7, communication module is monitored.
Embodiment
Be clearly and completely described to the technical scheme in the utility model embodiment below, obviously, described embodiment is only a part of embodiment of the present utility model, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making other embodiments all obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1, Fig. 2, Fig. 3, Fig. 4, the utility model embodiment comprises:
A kind of gain-type Intelligent photovoltaic combiner box is provided, comprises: the MPPT maximum power point tracking module 2 of some photovoltaic modulies 1 for photovoltaic input, some maximum power points for the input of accurate tracking every road photovoltaic, some short circuit protection modules 3, for carrying out short-circuit protection to the input of every road photovoltaic export to the photovoltaic after gathering through confluence module 4 surge protection module 5 carrying out surge protection for the confluence module 4, that the input of multichannel photovoltaic is pooled to one piece and then input one inverter.
A photovoltaic module 1, MPPT maximum power point tracking module 2 accesses confluence module 4 with between a short circuit protection module 3 after incoming line is connected successively; each road photovoltaic input inputs confluence module 4 after the MPPT maximum power point tracking module 2 and short circuit protection module 3 of correspondence, thus the input of multichannel photovoltaic inputs confluence module 4 respectively after MPPT maximum power point tracking module 2 and short circuit protection module 3.
Described surge protection module 5 is connected on the photovoltaic outlet line after confluence module 4, thus realizes the instantaneous overvoltage surge protection in photovoltaic output.
Concrete operation step is: described photovoltaic module 1 insertion gain type Intelligent photovoltaic combiner box, first by the regulable control of MPPT maximum power point tracking module 2, realizes MPPT maximum power point tracking, and photovoltaic module 1 of fully taping the latent power generates electricity potentiality; Then the realization of short-circuit protection function is carried out by short circuit protection module 3; Confluxed by confluence module 4; The most laggard protection of crossing Anti-surging module realizes surge protection function.
Also include surge protection module 7 in described gain-type Intelligent photovoltaic combiner box, described surge protection module 7 exports the input of each road photovoltaic and photovoltaic and carries out remote monitoring communication, thus can Timeliness coverage positioning when breaking down.
Also include surge protection module 6 in described gain-type Intelligent photovoltaic combiner box, described surge protection module 6 is interconnected with described surge protection module 7 and MPPT maximum power point tracking module 2.Described surge protection module 6 is from the power taking of photovoltaic input side and be transformed into the operating voltage that MPPT maximum power point tracking module 2 and communication monitor module need, thus realizes powering to surge protection module 7 and MPPT maximum power point tracking module 2.
Concrete operation step is: described power module first from the power taking of photovoltaic input side, and is transformed into the operating voltage of MPPT maximum power point tracking module 2 and communication monitor module needs, powers to these two modules, to ensure the normal work of these two modules.Then the job information that described communication monitor module gathers each module carries out telecommunication with upper layer data center, and information is passed back upper layer data center.
Maximum power point tracking device is provided with in described MPPT maximum power point tracking module 2; preferably; analog-digital converter and MPPT maximum power point tracking controller is included in described maximum power point tracking device; voltage and current in described analog-digital converter sampling surge protection module 6; by MPPT maximum power point tracking controller; thus draw photovoltaic input maximum power point, and provide control signal.Described control signal is through PWM(pulse-width regulated formula) drive circuit regulates the duty ratio D of Boost, thus change the output voltage of Boost Uin(solar cell), its voltage corresponding with solar battery group maximum power point year is matched, thus make to export in solar battery group pond for maximum power, make full use of solar energy, described MPPT maximum power point tracking controller is by chip microcontroller.
Include short-circuit protection circuit in described short circuit protection module 3, described short-circuit protection circuit judges whether to be short-circuited according to the state variation of output voltage.Element when short circuit in gain-type Intelligent photovoltaic combiner box quits work, thus realizes short-circuit protection.
Concrete operations are: after short circuit occurs; output voltage obtains magnitude of voltage through RA and RB sampling cannot maintain triode Q1 conducting; so Q1 turns off; electric capacity C1 is charged; connection V2 As time goes on voltage constantly raises; V2 is once higher than the threshold voltage of its pin, and whole system quits work, and achieves the function of short-circuit protection.
Include photovoltaic conflux harvester in described confluence module 4, include measuring component in described photovoltaic conflux harvester, described measuring component adopts Hall element, can realize isolation measurement.
Include Surge Protector in described surge protection module 5, surge overvoltage is introduced the earth by described Surge Protector, thus the element in protection gain-type Intelligent photovoltaic combiner box.
The beneficial effect of the utility model gain-type Intelligent photovoltaic combiner box is:
1, take the lead on the function basis of original photovoltaic combiner box, to conflux, short-circuit protection, surge protection, MPPT maximum power point tracking, communication monitor each function and design according to each function modoularization, and be integrated together, greatly improve the function of photovoltaic power station power generation efficiency, report increase photovoltaic plant income;
2, packaging of different kinds of packages is used in combination, eliminate photovoltaic module 1 self to greatest extent with application of difference to the impact of whole system simultaneously;
3, the input of each road is designed with all separately MPPT maximum power point tracking module 2, once break down, falls automatic cut-off loop, does not affect the normal use on other roads, be convenient to local maintenance and upgrading;
4, can make photovoltaic module 1 operate in suitable voltage, current status under and the circulation phenomenon that pressure reduction causes can be removed, extend assembly life-span to greatest extent.
The foregoing is only embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every utilize the utility model description to do equivalent structure or equivalent flow process conversion; or be directly or indirectly used in other relevant technical field, be all in like manner included in scope of patent protection of the present utility model.
Claims (7)
1. a gain-type Intelligent photovoltaic combiner box, it is characterized in that, comprising: the MPPT maximum power point tracking module of some photovoltaic modulies for photovoltaic input, some maximum power points for the input of accurate tracking every road photovoltaic, some for photovoltaic input in every road is carried out short-circuit protection short circuit protection module, one for the input of multichannel photovoltaic is pooled to one piece and then input one inverter confluence module, one the photovoltaic after gathering through confluence module is exported to the surge protection module carrying out surge protection; Photovoltaic module, a MPPT maximum power point tracking module access confluence module after being connected successively with a short circuit protection module, thus the input of multichannel photovoltaic inputs confluence module respectively after MPPT maximum power point tracking module and short circuit protection module.
2. gain-type Intelligent photovoltaic combiner box as described in claim 1, it is characterized in that, also include monitoring communication module in described gain-type Intelligent photovoltaic combiner box, described monitoring communication module exports each road photovoltaic input and photovoltaic and carries out remote monitoring communication.
3. as described in claim 2 gain-type Intelligent photovoltaic combiner box, is characterized in that, also include supply module in described gain-type Intelligent photovoltaic combiner box, and described supply module and described monitoring communication module and MPPT maximum power point tracking module are interconnected; Described supply module is from the power taking of photovoltaic input side and be transformed into the operating voltage that MPPT maximum power point tracking module and communication monitor module need, thus realizes monitoring communication module and MPPT maximum power point tracking module for power supply.
4. gain-type Intelligent photovoltaic combiner box as described in claim 3, is characterized in that, be provided with maximum power point tracking device in described MPPT maximum power point tracking module.
5. gain-type Intelligent photovoltaic combiner box as claimed in claim 4, it is characterized in that, analog-digital converter and the MPPT maximum power point tracking controller of the voltage and current in sampling supply module is included in described maximum power point tracking device, described MPPT maximum power point tracking controller draws photovoltaic input maximum power point, and provides control signal.
6. gain-type Intelligent photovoltaic combiner box as described in claim 1; it is characterized in that; include in described short circuit protection module and judge whether to be short-circuited according to the state variation of output voltage; element when short circuit in gain-type Intelligent photovoltaic combiner box quits work, thus realizes the short-circuit protection circuit of short-circuit protection.
7. gain-type Intelligent photovoltaic combiner box as described in claim 1, is characterized in that, includes Surge Protector surge overvoltage being introduced the earth in described surge protection module.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420338084.5U CN204046511U (en) | 2014-06-24 | 2014-06-24 | A kind of gain-type Intelligent photovoltaic combiner box |
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| CN201420338084.5U CN204046511U (en) | 2014-06-24 | 2014-06-24 | A kind of gain-type Intelligent photovoltaic combiner box |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065337A (en) * | 2014-06-24 | 2014-09-24 | 苏州高创特新能源发展有限公司 | Gain-type intelligent photovoltaic confluence box |
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- 2014-06-24 CN CN201420338084.5U patent/CN204046511U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104065337A (en) * | 2014-06-24 | 2014-09-24 | 苏州高创特新能源发展有限公司 | Gain-type intelligent photovoltaic confluence box |
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Legal Events
| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: SUZHOU GAOCHUANGTE NEW ENERGY SOURCES DEVELOPMENT Free format text: FORMER NAME: SUZHOU GAOCHUANGTE NEW ENERGY SOURCES DEVELOPMENT LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: 215600 environmental protection industrial park, 369 deer Road, hi tech Industrial Development Zone, Jiangsu, Suzhou Patentee after: SUZHOU GAOCHUANGTE NEW ENERGY SOURCES DEVELOPMENT CO., LTD. Address before: 215600 environmental protection industrial park, 369 deer Road, hi tech Industrial Development Zone, Jiangsu, Suzhou Patentee before: Suzhou Gaochuangte New Energy Development Co., Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141224 Termination date: 20170624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |