CN102637761A - Bus bar box with anti-reversion device - Google Patents
Bus bar box with anti-reversion device Download PDFInfo
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- CN102637761A CN102637761A CN2012101261423A CN201210126142A CN102637761A CN 102637761 A CN102637761 A CN 102637761A CN 2012101261423 A CN2012101261423 A CN 2012101261423A CN 201210126142 A CN201210126142 A CN 201210126142A CN 102637761 A CN102637761 A CN 102637761A
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- counnter attack
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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
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Abstract
The invention discloses a bus bar box with an anti-reversion device. The bus bar comprises a box body and a bus bar circuit arranged in the box body. The bus bar circuit comprises a positive pole loop and a negative pole loop, wherein the positive pole loop and the negative pole loop respectively comprise multichannel positive pole input ends and negative input ends of a photovoltaic array, and the multichannel positive pole input ends and negative input ends are connected to a bus rod in parallel. Each channel of positive pole input end is connected with an anti-reversion diode in series, or each channel of negative pole input end is connected with the anti-reversion diode in series, or each channel of the positive pole input end and each channel of the negative pole input end are both connected with the anti-reversion diode in series. In the above mode, the bus bar box with the anti-reversion device can effectively prevent reverse voltage generated by various causes from flowing through a panel circuit, and avoid damage to elements and the panel circuit in the bus bar box caused by the fact the reverse voltage flows through the panel circuit.
Description
Technical field
The present invention relates to the solar energy generation technology field, particularly a kind of header box with anti-deinstall.
Background technology
21 century, energy problem and environment have promoted the rapid rise of solar energy power generating industry jointly, and develop into as an independent power station from the civil equipment of disperseing on a small scale with as the form of supplementary energy gradually and generate electricity by way of merging two or more grid systems, for electrical network provides electric energy.In the construction of solar power plant, header box becomes the very important equipment of whole generating process, and the security reliability of its operation is also concerning the safe operation and the generating efficiency of whole solar power plant.
The electrical principle of tradition header box is that the electric current by a plurality of photovoltaic arrays is input in the header box, through circuit breaker output, adds components and parts such as fuse, lightning protection device in the circuit simultaneously after confluxing.This simple and reliable for structure, but have following potential safety hazard simultaneously:
1. in the different circuit that same header box connected; If have a loop break down or the loop in cell panel hidden by other objects unexpectedly; The output voltage in this loop will be lower than all the other normal loops, and the cell panel in this loop will become load at this moment, and the voltage in all the other normal loops will flow directly into this fault loop; Promptly cause the waste of the energy, possibly cause the damage of interior components and parts of header box and cell panel simultaneously.
2. perhaps run into the bad weather of meteorological condition night,, make line voltage blow back into header box, also will make the cell panel in each loop become load, cause damage through inverter if inverter breaks down.
Summary of the invention
The technical problem that the present invention mainly solves provides a kind of header box with anti-deinstall, can effectively prevent by the reverse voltage that a variety of causes the produces cell panel loop of flowing through, avoid so the header box that causes in the damage of components and parts and cell panel.
For solving the problems of the technologies described above; The technical scheme that the present invention adopts is: a kind of header box with anti-deinstall is provided; It is characterized in that; Comprise casing and be arranged on the circuit that confluxes in the casing, the described circuit that confluxes comprises anodal loop and negative loop, and described anodal loop and negative loop comprise the multichannel electrode input end and the negative input of photovoltaic array respectively; Described multichannel electrode input end and negative input are parallel-connected on the bus rod; Described every road electrode input end series connection counnter attack diode, perhaps every road negative input series connection counnter attack diode, perhaps every road electrode input end and the every road negative input counnter attack diode of all connecting.
In preferred embodiment of the present invention, also comprise fuse, circuit breaker and lightning protection device in the described circuit that confluxes.
In preferred embodiment of the present invention, described counnter attack diode uses with the fuse combined serial in the circuit that confluxes, and perhaps uses separately.
In preferred embodiment of the present invention, when described counnter attack diode used with the fuse combined serial in the circuit that confluxes, the counnter attack diode was connected on fuse front or fuse back.
The invention has the beneficial effects as follows: the header box of the anti-deinstall of band of the present invention; Through the counnter attack diode of connecting; When reverse voltage occurring; The counnter attack diode plays the effect of blocking reverse voltage, prevents that reverse voltage from flowing into header box, realizes preventing the damage that the reverse voltage that produces because of a variety of causes causes casing and photovoltaic battery panel.
Description of drawings
Fig. 1 is the fundamental diagram of circuit one preferred embodiment of confluxing in the header box of the present invention;
Fig. 2 is the fundamental diagram of another preferred embodiment of circuit of confluxing in the header box of the present invention;
Fig. 3 is the fundamental diagram of another preferred embodiment of circuit of confluxing in the header box of the present invention.
Embodiment
Below in conjunction with accompanying drawing preferred embodiment of the present invention is set forth in detail, thereby protection scope of the present invention is made more explicit defining so that advantage of the present invention and characteristic can be easier to it will be appreciated by those skilled in the art that.
The invention provides a kind of header box, comprise casing and be arranged on the circuit that confluxes in the casing with anti-deinstall.Please refer to Fig. 1,2 and 3; The circuit that confluxes comprises anodal loop and negative loop; This positive pole loop and negative loop comprise the multichannel electrode input end and the negative input of photovoltaic array respectively, and multichannel electrode input end and negative input are parallel-connected on the bus rod, every road electrode input end series connection counnter attack diode; Perhaps every road negative input series connection counnter attack diode, perhaps every road electrode input end and the every road negative input counnter attack diode of all connecting.
Fuse in the counnter attack diode and the circuit that confluxes can combined serial use, and also can use separately.When the counnter attack diode used with the fuse combined serial in the circuit that confluxes, the counnter attack diode was connected on fuse front or fuse back; When not being in series with fuse in electrode input end and the negative input, the counnter attack diode directly is serially connected in the negative input, uses separately.Be that counnter attack diode mounting means has three kinds: 1. be installed in electrode input end, or negative input, or before the fuse of electrode input end and negative input; 2. be installed in electrode input end, or negative input, or after the fuse of electrode input end and negative input; 3. electrode input end, or negative input, or electrode input end and negative input do not use fuse, the counnter attack diode of directly connecting.
Also comprise fuse, circuit breaker and lightning protection device in the circuit that confluxes among the present invention, the electric current of a plurality of photovoltaic arrays is input in the header box, through circuit breaker output, adds components and parts such as fuse, lightning protection device in the circuit simultaneously after confluxing.
The header box of the anti-deinstall of band provided by the invention has following benefit:
1. simple and easy to do, with low cost;
2. effectively with the loop insulation blocking that suffers reverse voltage in the header box, avoided reverse voltage in the loop, to evoke reverse current and equipment has been caused damage, and the direct and potential economic loss that causes thus.
3. lower cost has guaranteed the stable operation of equipment long-term safety, improves the on-road efficiency in power plant.
The header box of the anti-deinstall of the band that the present invention discloses; Through the counnter attack diode of connecting; When reverse voltage occurring; The counnter attack diode plays the effect of blocking reverse voltage, prevents that reverse voltage from flowing into header box, realizes preventing the damage that the reverse voltage that produces because of a variety of causes causes casing and photovoltaic battery panel.
The above is merely embodiments of the invention; Be not so limit claim of the present invention; Every equivalent structure or equivalent flow process conversion that utilizes specification of the present invention and accompanying drawing content to be done; Or directly or indirectly be used in other relevant technical fields, all in like manner be included in the scope of patent protection of the present invention.
Claims (4)
1. be with the header box of preventing deinstall for one kind; It is characterized in that; Comprise casing and be arranged on the circuit that confluxes in the casing, the described circuit that confluxes comprises anodal loop and negative loop, and described anodal loop and negative loop comprise the multichannel electrode input end and the negative input of photovoltaic array respectively; Described multichannel electrode input end and negative input are parallel-connected on the bus rod; Described every road electrode input end series connection counnter attack diode, perhaps every road negative input series connection counnter attack diode, perhaps every road electrode input end and the every road negative input counnter attack diode of all connecting.
2. the header box of the anti-deinstall of band according to claim 1 is characterized in that, also comprises fuse, circuit breaker and lightning protection device in the described circuit that confluxes.
3. the header box of the anti-deinstall of band according to claim 1 is characterized in that, described counnter attack diode uses with the fuse combined serial in the circuit that confluxes, and perhaps uses separately.
4. the header box of the anti-deinstall of band according to claim 3 is characterized in that, when described counnter attack diode used with the fuse combined serial in the circuit that confluxes, the counnter attack diode was connected on fuse front or fuse back.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101261423A CN102637761A (en) | 2012-04-27 | 2012-04-27 | Bus bar box with anti-reversion device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101261423A CN102637761A (en) | 2012-04-27 | 2012-04-27 | Bus bar box with anti-reversion device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102637761A true CN102637761A (en) | 2012-08-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101261423A Pending CN102637761A (en) | 2012-04-27 | 2012-04-27 | Bus bar box with anti-reversion device |
Country Status (1)
| Country | Link |
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| CN (1) | CN102637761A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890092A (en) * | 2021-09-30 | 2022-01-04 | 嘉兴学院 | Photovoltaic power generation system |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110090607A1 (en) * | 2009-10-20 | 2011-04-21 | Luebke Charles J | String and system employing direct current electrical generating modules and a number of string protectors |
| CN102255571A (en) * | 2011-07-20 | 2011-11-23 | 浙江尖山光电股份有限公司 | Photovoltaic array intelligent junction box |
| CN202633345U (en) * | 2012-04-27 | 2012-12-26 | 苏州长风自动化科技有限公司 | Junction box with blocking device |
-
2012
- 2012-04-27 CN CN2012101261423A patent/CN102637761A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20110090607A1 (en) * | 2009-10-20 | 2011-04-21 | Luebke Charles J | String and system employing direct current electrical generating modules and a number of string protectors |
| CN102255571A (en) * | 2011-07-20 | 2011-11-23 | 浙江尖山光电股份有限公司 | Photovoltaic array intelligent junction box |
| CN202633345U (en) * | 2012-04-27 | 2012-12-26 | 苏州长风自动化科技有限公司 | Junction box with blocking device |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113890092A (en) * | 2021-09-30 | 2022-01-04 | 嘉兴学院 | Photovoltaic power generation system |
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Application publication date: 20120815 |