CN201976039U - Photovoltaic array convergence box - Google Patents
Photovoltaic array convergence box Download PDFInfo
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- CN201976039U CN201976039U CN2011201034647U CN201120103464U CN201976039U CN 201976039 U CN201976039 U CN 201976039U CN 2011201034647 U CN2011201034647 U CN 2011201034647U CN 201120103464 U CN201120103464 U CN 201120103464U CN 201976039 U CN201976039 U CN 201976039U
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- 238000004891 communication Methods 0.000 claims description 9
- 238000013500 data storage Methods 0.000 claims description 8
- 210000000352 storage cell Anatomy 0.000 claims description 8
- 238000012546 transfer Methods 0.000 claims description 8
- 238000012544 monitoring process Methods 0.000 claims description 5
- 238000003860 storage Methods 0.000 claims description 4
- 230000007547 defect Effects 0.000 abstract description 3
- 238000001514 detection method Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 238000010248 power generation Methods 0.000 description 2
- 210000004027 cell Anatomy 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to the field of solar energy application, in particular to a convergence device used between a photovoltaic array or a variety of direct-current power supplies and an inverter. In the technical scheme, the photovoltaic array convergence box is characterized in that a circuit connection module comprises at least one group of positive input ands and corresponding negative input ends, the anode of each current of each group of positive input ends or the cathode of each current of each group of negative input ends is respectively correspondingly and electrically connected with a positive fuse or a negative fuse and is electrically connected with the same current sensor after convergence through the positive fuse or the negative fuse, and finally collected electric signals are transmitted to a detection board through the current sensor. By adopting the technical scheme, the defects of the prior art are overcome, and the modular, low-cost, intelligent and scalable photovoltaic array convergence box is provided.
Description
Technical field
The utility model relates to a kind of Application of Solar Energy field, is specifically related to be used for the collector-shoe gear that is connected between photovoltaic array or various DC power supply and the inverter.
Background technology
In order to reduce the connecting line between photovoltaic array or other DC source and the inverter, raising system operation stability generally, need conflux between photovoltaic group string or DC source, so that demultiplex is converged into one tunnel output, makes things convenient for the field conduct and the maintenance of system.Common header box can be divided into two classes substantially at present: band Intelligent Measurement unit reaches is not with Intelligent Measurement unit two classes.Not fairly simple with the header box of intelligent cell, only be that the multichannel branch road is converged into one tunnel output, there is not communication interface, be unfavorable for monitoring in real time the operating state of solar energy group string, easily cause unnecessary loss.And have the header box of Intelligent Measurement unit, and structure is complicated, often needs to use a plurality of current sensors, and this just causes cost too high, and the fault point is also more, thereby has influenced the normal use of header box.In using bus-bar header box manufacturing process, much connect at needs under the situation of tooth, if cutting off one, mistake connects tooth, will cause and scrap, waste raw material, cause cost to rise, and way is many more, the probability of scrapping is high more.
Summary of the invention
The utility model is at the deficiencies in the prior art, and the photovoltaic array header box of a kind of modularization, low cost, intelligent and extensibility is provided.
Realize above-mentioned purpose, the utility model adopts following technical scheme: a kind of photovoltaic array header box, include casing and be arranged on the interior circuit link block of casing, it is characterized in that: described circuit link block includes at least one group of electrode input end and corresponding with it negative input, every group of electrode input end includes two-way electric current positive pole at least, every group of negative input includes two-way electric current negative pole at least, every road electric current of described every group of electrode input end every road electric current negative pole anodal or every group of negative input is corresponding respectively is electrically connected with anodal fuse or negative pole fuse, the electric current of every group of electrode input end every road electric current negative pole anodal or every group of negative input be electrically connected to same current sensor through anodal fuse or negative pole fuse after can flowing, give check-out console by current sensor with the electrical signal transfer that collects at last.
By adopting such scheme, positive source input side or negative pole input side are all realized the overprotection function of system by fuse; Current detecting partly utilizes the mode that branch confluxes and current sensor combines to realize, can reduce the quantity of transducer like this, and have modular characteristics, can reduce defect rate, improves the production factory-assembled efficient in early stage.Such structure also can make things convenient for the engineering maintenance in later stage.The detection of signals such as branch current and voltage can be realized in the plate detecting sensor unit, improves the integrality of system information, and for host computer provides information support comparatively reliably, convenient prompting user in time carries out system maintenance.When the Field Force safeguards at the scene,, can effectively understand the problem place, conveniently carry out on-site maintenance by data display unit.So just can improve the utilance of header box, guarantee the whole system reliability service, improve energy output, reduce power generation loss, from increasing the possessory income in power station to the full extent.
Further setting of the present utility model is: described check-out console includes A/D modular converter unit, processor unit, communication unit and data storage cell, wherein the signal input part of A/D modular converter unit links to each other with the output of current sensor, the signal output part of A/D modular converter unit links to each other with the processor unit input, the output of processor unit links to each other with communication unit and data storage cell, realize transfer of data and storage respectively, in order to preserve data and monitoring in real time, the electric current negative pole of the electric current positive pole of described every group of electrode input end and every group negative input all is connected in parallel by bus-bar in addition.
Below in conjunction with accompanying drawing the utility model embodiment is described further.
Description of drawings
Fig. 1 is the circuit link block structural representation of example one of the present utility model;
Fig. 2 is the circuit link block structural representation of example two of the present utility model.
Embodiment
Embodiment one
As shown in Figure 1, a kind of photovoltaic array header box, include casing and be arranged on the interior circuit link block of casing, in the utility model embodiment, described circuit link block includes the many group electrode input ends and the negative input of respective amount with it, every group of electrode input end includes two-way electric current positive pole at least, every group of negative input includes two-way electric current negative pole at least, every road electric current positive pole of described every group of electrode input end is electrically connected with anodal fuse 1 respectively, the electric current of every group of electrode input end is anodal to be electrically connected to same current sensor 2 again through anodal fuse 1 after can flowing, give check-out console 9 by current sensor 2 with the electrical signal transfer that collects at last.In the utility model embodiment, described check-out console 9 includes A/D modular converter unit 5, processor unit 6, communication unit 7 and data storage cell 8, wherein the signal input part of A/D modular converter unit 5 links to each other with the output of current sensor 2, the signal output part of A/D modular converter unit 5 links to each other with processor unit 6 inputs, the output of processor unit 6 links to each other with communication unit 7 and data storage cell 8, realize transfer of data and storage respectively, in order to preserve data and monitoring in real time, the electric current negative pole of the electric current positive pole of described every group of electrode input end and every group negative input all is connected in parallel by bus-bar 3 in addition.
Embodiment two
As shown in Figure 2, a kind of photovoltaic array header box, include casing and be arranged on the interior circuit link block of casing, in the utility model embodiment, described circuit link block includes the many group electrode input ends and the negative input of respective amount with it, every group of electrode input end includes two-way electric current positive pole at least, every group of negative input includes two-way electric current negative pole at least, every road electric current negative pole of described every group of negative input is electrically connected with the negative pole fuse respectively, every road electric current negative pole of every group of negative input again through being electrically connected to same current sensor 2 behind the stream, is given check-out console 9 by current sensor 2 with the electrical signal transfer that collects through negative pole fuse 1 at last.In the utility model embodiment, described check-out console 9 includes A/D modular converter unit 5, processor unit 6, communication unit 7 and data storage cell 8, wherein the signal input part of A/D modular converter unit 5 links to each other with the output of current sensor 2, the signal output part of A/D modular converter unit 5 links to each other with processor unit 6 inputs, the output of processor unit 6 links to each other with communication unit 7 and data storage cell 8, realize transfer of data and storage respectively, in order to preserve data and monitoring in real time, the electric current negative pole of the electric current positive pole of described every group of electrode input end and every group negative input all is connected in parallel by bus-bar 3 in addition.
The utility model is implemented to adopt above-mentioned two schemes can reach following effect: positive source input side or negative pole input side are all realized the overprotection function of system by fuse; Current detecting partly utilizes the mode that branch confluxes and current sensor combines to realize, can reduce the quantity of transducer like this, and have modular characteristics, can reduce defect rate, improves the production factory-assembled efficient in early stage.Such structure also can make things convenient for the engineering maintenance in later stage.The detection of signals such as branch current and voltage can be realized in the plate detecting sensor unit, improves the integrality of system information, and for host computer provides information support comparatively reliably, convenient prompting user in time carries out system maintenance.When the Field Force safeguards at the scene,, can effectively understand the problem place, conveniently carry out on-site maintenance by data display unit.So just can improve the utilance of header box, guarantee the whole system reliability service, improve energy output, reduce power generation loss, from increasing the possessory income in power station to the full extent.
Claims (2)
1. photovoltaic array header box, include casing and be arranged on the interior circuit link block of casing, it is characterized in that: described circuit link block includes at least one group of electrode input end and corresponding with it negative input, every group of electrode input end includes two-way electric current positive pole at least, every group of negative input includes two-way electric current negative pole at least, every road electric current of described every group of electrode input end every road electric current negative pole anodal or every group of negative input is corresponding respectively is electrically connected with anodal fuse or negative pole fuse, the electric current of every group of electrode input end every road electric current negative pole anodal or every group of negative input be electrically connected to same current sensor through anodal fuse or negative pole fuse after can flowing, give check-out console by current sensor with the electrical signal transfer that collects at last.
2. photovoltaic array header box according to claim 1, it is characterized in that: described check-out console includes A/D modular converter unit, processor unit, communication unit and data storage cell, wherein the signal input part of A/D modular converter unit links to each other with the output of current sensor, the signal output part of A/D modular converter unit links to each other with the processor unit input, the output of processor unit links to each other with communication unit and data storage cell, realize transfer of data and storage respectively, in order to preserve data and monitoring in real time, the electric current negative pole of the electric current positive pole of described every group of electrode input end and every group negative input all is connected in parallel by bus-bar in addition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201034647U CN201976039U (en) | 2011-04-11 | 2011-04-11 | Photovoltaic array convergence box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201034647U CN201976039U (en) | 2011-04-11 | 2011-04-11 | Photovoltaic array convergence box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201976039U true CN201976039U (en) | 2011-09-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201034647U Expired - Fee Related CN201976039U (en) | 2011-04-11 | 2011-04-11 | Photovoltaic array convergence box |
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| CN (1) | CN201976039U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
-
2011
- 2011-04-11 CN CN2011201034647U patent/CN201976039U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104765298A (en) * | 2015-03-30 | 2015-07-08 | 无锡清莲新能源科技有限公司 | Energy forecasting and intelligent maintaining system and maintaining method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CU01 | Correction of utility model |
Correction item: Patentee name Correct: Zhejiang Eifesun Energy Technology Co., Ltd. False: Zhejiang Aifei Biological Energy Technology Co., Ltd. Number: 37 Page: The title page Volume: 27 |
|
| CU03 | Publication of corrected utility model |
Correction item: Patentee Correct: Zhejiang Eifesun Energy Technology Co., Ltd.|325000, Zhejiang, Wenzhou hi tech Industrial Park, district 10, phase three, G, building 6 False: Zhejiang Aifei Biological Energy Technology Co., Ltd.|325000, Zhejiang, Wenzhou hi tech Industrial Park, district 10, phase three, G, building 6 Number: 37 Volume: 27 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: ZHEJIANG AIFEI BIOLOGICAL ENERGY TECHNOLOGY CO., LTD.:325000 6/F, BUILDINGG, PHASE 3, RESIDENTIAL AREA 10, GAOXING TECHNOLOGY INDUSTRIAL PARK, WENZHOU CITY, ZHEJIANG PROVINCE TO: ZHEJIANG EIFESUN ENERGY TECHNOLOGY CO., LTD.:325000 6/F, BUILDING G, PHASE 3, RESIDENTIAL AREA 10, GAOXING TECHNOLOGY INDUSTRIAL PARK, WENZHOU CITY, ZHEJIANG PROVINCE |
|
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110914 Termination date: 20140411 |