CN202153529U - Intelligent protective photovoltaic array junction box - Google Patents
Intelligent protective photovoltaic array junction box Download PDFInfo
- Publication number
- CN202153529U CN202153529U CN 201120264609 CN201120264609U CN202153529U CN 202153529 U CN202153529 U CN 202153529U CN 201120264609 CN201120264609 CN 201120264609 CN 201120264609 U CN201120264609 U CN 201120264609U CN 202153529 U CN202153529 U CN 202153529U
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- Prior art keywords
- photovoltaic array
- unit
- electrical contact
- intelligent
- control unit
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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
Abstract
The utility model discloses an intelligent protective photovoltaic array junction box, comprising a plurality of photovoltaic arrays, current voltage detection units, electrical contact units, an anode mother board, a cathode mother board, a lightning protection device, an intelligent control unit and a contact driving unit, wherein an anode of each photovoltaic array is connected with the anode mother board, a cathode of each photovoltaic array is connected with the cathode mother board, the anode mother board and the cathode mother board are respectively electrically connected with corresponding terminals of the lightning protection device, a current voltage detection unit and an electrical contact unit are serially connected in each photovoltaic array, a signal input end of the intelligent control unit is connected with the current voltage detection units, and a signal output end of the intelligent control unit is connected with the contact driving unit. With a fuse and an anti-reverse diode in a traditional photovoltaic array junction box omitted, the intelligent protective photovoltaic array junction box can realize over-voltage protection and under-voltage over-current protection with no blind area, can separately protect multiple group strings, and can rapidly find the fault group string, thereby substantially saving maintenance labor.
Description
Technical field
The utility model belongs to photovoltaic system integrated technology field, relates to a kind of intelligent protection type photovoltaic array header box that is used to connect solar module and inverter.
Background technology
In photovoltaic plant, go here and there the photovoltaic module serial connection in groups usually, each road photovoltaic module was ganged up header box and was unified into photovoltaic array then.Common photovoltaic array header box generally is divided into plain edition and intelligent at present.The plain edition header box only converges into one tunnel output with the multichannel component string access fuse of input; Insert circuit breaker in the back of confluxing at most again; Can not detect the electric current and voltage of each group string and the fault of monitoring group string, can not prevent thunderbolt, thereby reduce the security reliability of whole system.For example, the utility model patent ZL200920142949.X that announces on November 25th, 2009 has just disclosed a kind of like this photovoltaic array header box.Intelligent header box detects through current detection module and shows each group crosstalk flow valuve, can effectively prevent thunderbolt, prevent the electric current adverse current, the protection in the time of still can't carrying out under-voltage overcurrent.For example, the utility model patent ZL201020152439.3 that announces on September 29th, 2010 has just disclosed a kind of like this photovoltaic array header box.
Summary of the invention
The utility model technical problem to be solved is the deficiency to above-mentioned prior art; And a kind of new type light photovoltaic array header box is provided; Through intelligent control unit electric current, voltage signal are detected that data are analyzed and feedback command to contact driver element drives the electrical contact unit, make protection non-blind area to photovoltaic module..
The technical scheme that the utility model adopts is: a kind of intelligent protection type photovoltaic array header box; Comprise multichannel photovoltaic array, current/voltage detecting unit, electrical contact unit, anodal busbar, cathode bus bar, lightning protection device, intelligent control unit and contact driver element; The positive pole of described each road photovoltaic array is connected in parallel to described anodal busbar, and the negative pole of each road photovoltaic array is connected in parallel to described cathode bus bar; Described anodal busbar and cathode bus bar are electrically connected respectively with the respective terminal of lightning protection device; The multichannel positive pole or the multichannel negative pole of photovoltaic array are exported after the busbar parallel connection; Described current/voltage detecting unit of series connection and electrical contact unit in described each road photovoltaic array; The signal input part of described intelligent control unit is connected to described current/voltage detecting unit, and the signal output part of intelligent control unit is connected to described electric shock driver element and is used to control described electric electric shock unit.
Described electrical contact unit is furnished with the hand switch mechanism that is used for manual deciliter electrical contact.
Described electrical contact unit comprises the energising breaking device.
Described energising breaking device is an electromagnet.
On described intelligent control unit, also be connected with a communication interface, this communication interface is connected with a computer network.
Described electrical contact unit is furnished with the secondary status contact, and described intelligent control unit is connected with this secondary status contact and is used to monitor the electrical contact location mode.
The beneficial effect of the utility model is; Can omit fuse and counnter attack diode in the conventional photovoltaic array header box; Through intelligent control unit not only to overvoltage protection also to under-voltage overcurrent protection, can moving or transfer protection to multichannel group series connection, realize the non-blind area protection; Can investigate fault group string rapidly, save greatly and safeguard manual work.
Description of drawings
Fig. 1 is the utility model sketch map.
Wherein: 1, current/voltage detecting unit; 2, electrical contact unit; 3, anodal busbar; 4, cathode bus bar; 5, lightning protection device; 6, intelligent control unit; 7, contact driver element; 8, communication interface; 9, computer network.
Embodiment
Be elaborated below in conjunction with the technical scheme of accompanying drawing to the utility model:
A kind of photovoltaic array header box comprises current/voltage detecting unit 1, electrical contact unit 2, anodal busbar 3, cathode bus bar 4, lightning protection device 5, intelligent control unit 6, contact driver element 7, can match communication interface 8.Each road photovoltaic array positive pole is connected in parallel to anodal busbar 3, and each road photovoltaic array negative pole is connected in parallel to cathode bus bar 4; Anodal busbar 3 is electrically connected respectively with the respective terminal of lightning protection device 5 with cathode bus bar 4; The multichannel positive pole or the multichannel negative pole of photovoltaic array are exported after the busbar parallel connection; In circuit, increase current/voltage detecting unit 1, electrical contact unit 2; Intelligent control unit 6 can be analyzed also to electric current, voltage signal detection data, and feedback command to contact driver element 7 drives electrical contact unit 2; Realization is to the interlock or the transfer protection of multichannel group string, and communication interface 8 links to each other intelligent control unit 6 with computer network 9.
Electrical contact unit in the utility model can be furnished with hand switch mechanism, can manual deciliter electrical contact, make things convenient for the I&M of photovoltaic module array.
The contact driver element can drive the electrical contact unit through modes such as drive circuit or mechanical linkages in the utility model.
The contact driver element can drive the electrical contact unit through modes such as drive circuit or mechanical linkages in the utility model.
Claims (6)
1. intelligent protection type photovoltaic array header box; Comprise multichannel photovoltaic array, current/voltage detecting unit, electrical contact unit, anodal busbar, cathode bus bar, lightning protection device, intelligent control unit and contact driver element; Described each road photovoltaic is listed as genuine positive pole and is connected in parallel to described anodal busbar, and the negative pole of each road photovoltaic array is connected in parallel to described cathode bus bar; Described anodal busbar and cathode bus bar are electrically connected respectively with the respective terminal of lightning protection device; The multichannel positive pole or the multichannel negative pole of photovoltaic array are exported after the busbar parallel connection; It is characterized in that: described current/voltage detecting unit of series connection and electrical contact unit in described each road photovoltaic array; The signal input part of described intelligent control unit is connected to described current/voltage detecting unit, and the signal output part of intelligent control unit is connected to described electric shock driver element and is used to control described electric electric shock unit.
2. intelligent protection type photovoltaic array header box as claimed in claim 1, it is characterized in that: described electrical contact unit is furnished with the hand switch mechanism that is used for manual deciliter electrical contact.
3. intelligent protection type photovoltaic array header box as claimed in claim 1, it is characterized in that: described electrical contact unit comprises the energising breaking device.
4. intelligent protection type photovoltaic array header box as claimed in claim 3, it is characterized in that: described energising breaking device is an electromagnet.
5. intelligent protection type photovoltaic array header box as claimed in claim 1 is characterized in that: on described intelligent control unit, also be connected with a communication interface, this communication interface is connected with a computer network.
6. intelligent protection type photovoltaic array header box as claimed in claim 1, it is characterized in that: described electrical contact unit is furnished with the secondary status contact, and described intelligent control unit is connected with this secondary status contact and is used to monitor the electrical contact location mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120264609 CN202153529U (en) | 2011-07-26 | 2011-07-26 | Intelligent protective photovoltaic array junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201120264609 CN202153529U (en) | 2011-07-26 | 2011-07-26 | Intelligent protective photovoltaic array junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202153529U true CN202153529U (en) | 2012-02-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201120264609 Expired - Fee Related CN202153529U (en) | 2011-07-26 | 2011-07-26 | Intelligent protective photovoltaic array junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202153529U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022171A (en) * | 2013-01-17 | 2013-04-03 | 晶科能源有限公司 | Solar cell photovoltaic module |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN103323732A (en) * | 2013-06-19 | 2013-09-25 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
-
2011
- 2011-07-26 CN CN 201120264609 patent/CN202153529U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103022171A (en) * | 2013-01-17 | 2013-04-03 | 晶科能源有限公司 | Solar cell photovoltaic module |
| CN103022171B (en) * | 2013-01-17 | 2016-05-04 | 晶科能源有限公司 | A kind of solar cell photovoltaic assembly |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN103323732A (en) * | 2013-06-19 | 2013-09-25 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
| CN103323732B (en) * | 2013-06-19 | 2017-02-08 | 上海正泰电源系统有限公司 | Photovoltaic inverter multi-channel input reverse connection detection circuit with self-diagnostic function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: NANJING CNI23 ENERGY ENGINEERING CO., LTD. Free format text: FORMER OWNER: GCL SOLAR CO., LTD. Effective date: 20130730 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130730 Address after: 43, building 1, 210008 Zhujianglu Road, Xuanwu District, Jiangsu, Nanjing Patentee after: Nanjing CNI23 Energy Engineering Co., Ltd. Address before: 210008 No. 68 Sheng Sheng Road, Jiangning Development Zone, Jiangsu, Nanjing, China Patentee before: GCL Solar System Limited |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120229 Termination date: 20140726 |
|
| EXPY | Termination of patent right or utility model |