CN102255571A - Photovoltaic array intelligent junction box - Google Patents
Photovoltaic array intelligent junction box Download PDFInfo
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- CN102255571A CN102255571A CN2011102030949A CN201110203094A CN102255571A CN 102255571 A CN102255571 A CN 102255571A CN 2011102030949 A CN2011102030949 A CN 2011102030949A CN 201110203094 A CN201110203094 A CN 201110203094A CN 102255571 A CN102255571 A CN 102255571A
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- photovoltaic
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- negative pole
- wiring busbar
- detection module
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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 invention relates to a photovoltaic array intelligent junction box, which can be used for realizing remote data transmission. With the conventional junction box, remote transmission of current detection data cannot be realized. A voltage sensor and a current sensor which are arranged on each path of photovoltaic component string are externally connected to the same detection module; the detection module is connected with an Ethernet communication module; the two input ends of a power supply module are connected to an anode wiring bus bar and a cathode wiring bus bar respectively; and the output end of the power supply module is connected with the detection module. In the invention, acquired serial voltage and current of each path of photovoltaic component string are transmitted to a total photovoltaic power generation monitoring system through the Ethernet communication module by using the detection module, so that a user can accurately grasp the working status of the photovoltaic component string in time conveniently, the efficiency of a photovoltaic power generation system is brought into full play, and the reliability of the system is enhanced.
Description
Technical field
The present invention relates to a kind of header box that is used to connect photovoltaic module string and inverter, especially a kind of photovoltaic array intelligence header box of realizing the remote data transmission.
Background technology
The world today, fossil energies such as coal, oil are exhausted day by day, but and solar energy as the regenerative resource of the unlimited clean utilization of a kind of reserves, tool potentiality, more and more favored.Greatly develop photovoltaic industry, active development solar energy, become the important component part of various countries' strategy of sustainable development.
In photovoltaic generating system, in order to reduce connecting line as far as possible, can be connected to inverter with multichannel photovoltaic module input by the Cheng Yilu output of confluxing of direct current header box usually, both made things convenient for wiring, also improved reliability.At present common photovoltaic header box mainly contains two kinds: a kind of is the basic model header box, and the multichannel photovoltaic module is ganged up the overcurrent fuse Cheng Yilu output of confluxing, and connects circuit breaker and output after confluxing, and is provided with anti-lightning strike protection at output; Another kind is on the basis of basic model header box, has increased photovoltaic module crosstalk stream detection and display module, counnter attack diode, though improved reliability, can not realize the remote transmission of current detecting data.
Summary of the invention
The present invention is directed to the defective that prior art exists, a kind of voltage and current that can detect the photovoltaic module string in real time is provided, and can be with the photovoltaic array intelligence header box of testing result remote data transmission.
For this reason, the present invention takes following technical scheme: a kind of photovoltaic array intelligence header box, comprise power module, anodal wiring busbar, negative pole wiring busbar and multichannel photovoltaic module string, it is characterized in that the positive pole of described each road photovoltaic module string and fuse and current sensor series and parallel receive anodal wiring busbar; The negative pole of each road photovoltaic module string is connected to negative pole wiring busbar; Described anodal wiring busbar and negative pole wiring busbar are exported by circuit breaker respectively, also be provided with voltage sensor between the positive pole of described each road photovoltaic module string and the negative pole, voltage sensor and current sensor on described each road photovoltaic module string are external to same detection module, described detection module and ethernet communication module are joined, two inputs of described power module insert anodal wiring busbar and negative pole wiring busbar, the output connection detection module of power module respectively.
Also connect the counnter attack diode on the positive pole of described each road photovoltaic module string.
Described anodal wiring busbar and negative pole wiring busbar connect lightning protection device respectively.
Described voltage sensor and current sensor are respectively Hall type voltage sensor and Hall type current sensor.
Each road photovoltaic module crosstalk pressure, electric current that the present invention will gather by detection module transfer to photovoltaic generation by the ethernet communication module and always monitor system, make things convenient for the user to grasp the working condition of photovoltaic module string timely and accurately, guarantee photovoltaic generating system performance maximum effect, improve the reliability of system.
Description of drawings
Fig. 1 is a theory diagram of the present invention
Among the figure: 1 fuse; 2 current sensors; 3 counnter attack diodes; 4 voltage sensors; 5 negative pole wiring busbars; 6 anodal wiring busbars; 7 ethernet communication modules; 8 detection modules; 9 power modules; 10 circuit breakers; 11 is lightning protection device.
Embodiment
Photovoltaic array intelligence header box as shown in Figure 1 comprises n road photovoltaic module string, and the positive pole of each road photovoltaic module string is connected to an end of fuse 1, and the other end of fuse 1 is connected to anodal wiring busbar 6 by current sensor 2, counnter attack diode 3; The negative pole of each road photovoltaic module string is connected to negative pole wiring busbar 5, is connected to the negative pole of photovoltaic module string between fuse 1 and the current sensor 2 again by voltage sensor 4.Anodal wiring busbar 6, negative pole wiring busbar 5 are connected to external equipment through lightning protection device 11 and circuit breaker 10.Two inputs of power module 9 are connected to header box internal positive wiring busbar 6, negative pole wiring busbar 5, output connection detection module 8 respectively.Detection module 8 again with each road photovoltaic module string on the current sensor 2 and the voltage sensor 4 that are equipped with join, detection module 8 outputs connect ethernet communication module 7.
Power module 9 is from anodal wiring busbar 6,5 power takings of negative pole wiring busbar, and powers to detection module 8 by the suitable electric pressure of its inner voltage-regulating circuit output.Detection module 8 detects the outputs of voltage sensors 4, current sensor 2 in real time, and testing result is sent to photovoltaic generation by ethernet communication module 7 always monitors system, realizes voltage, the electric current of each road photovoltaic module string are monitored.
It needs to be noted, the mode of the foregoing description only limits to describe embodiment, but the present invention is confined to aforesaid way incessantly, and those skilled in the art can modify in not departing from the scope of the present invention in view of the above easily, and therefore scope of the present invention should comprise the disclosed principle and the maximum magnitude of new feature.
Claims (4)
1. photovoltaic array intelligence header box, comprise power module (9), anodal wiring busbar (6), negative pole wiring busbar (5) and multichannel photovoltaic module string, it is characterized in that the positive pole of described each road photovoltaic module string and a fuse (1) and current sensor (2) series and parallel receive anodal wiring busbar (6); The negative pole of each road photovoltaic module string is connected to negative pole wiring busbar (5); Described anodal wiring busbar and negative pole wiring busbar are respectively by circuit breaker (10) output, also be provided with voltage sensor (4) between the positive pole of described each road photovoltaic module string and the negative pole, voltage sensor (4) and current sensor (2) on described each road photovoltaic module string are external to same detection module (8), described detection module (8) joins with ethernet communication module (7), two inputs of described power module (9) insert anodal wiring busbar (6) and negative pole wiring busbar (5) respectively, the output connection detection module (8) of power module (9).
2. a kind of photovoltaic array intelligence header box according to claim 1 is characterized in that also connecting counnter attack diode (3) on the positive pole of described each road photovoltaic module string.
3. a kind of photovoltaic array intelligence header box according to claim 1 and 2 is characterized in that described anodal wiring busbar (6) and negative pole wiring busbar (5) connect lightning protection device (11) respectively.
4. a kind of photovoltaic array intelligence header box according to claim 3 is characterized in that described voltage sensor (4) and current sensor (2) are respectively Hall type voltage sensor and Hall type current sensor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102030949A CN102255571A (en) | 2011-07-20 | 2011-07-20 | Photovoltaic array intelligent junction box |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102030949A CN102255571A (en) | 2011-07-20 | 2011-07-20 | Photovoltaic array intelligent junction box |
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| CN102255571A true CN102255571A (en) | 2011-11-23 |
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| CN2011102030949A Pending CN102255571A (en) | 2011-07-20 | 2011-07-20 | Photovoltaic array intelligent junction box |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608492A (en) * | 2012-03-31 | 2012-07-25 | 广东易事特电源股份有限公司 | System and method for detecting fuse state of combiner box |
| CN102637761A (en) * | 2012-04-27 | 2012-08-15 | 苏州长风自动化科技有限公司 | Bus bar box with anti-reversion device |
| CN102647021A (en) * | 2012-04-27 | 2012-08-22 | 苏州长风自动化科技有限公司 | Self-powered solar combiner box |
| CN103178620A (en) * | 2013-02-19 | 2013-06-26 | 辽宁凯信新能源技术有限公司 | Mobile photovoltaic power generation and off-peak electricity energy storage control system for lithium batteries |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN103888065A (en) * | 2014-04-03 | 2014-06-25 | 苏州边枫电子科技有限公司 | Remote monitor type photovoltaic connecting box based on voltage detection and RFID transmission |
| CN103888069A (en) * | 2014-04-03 | 2014-06-25 | 苏州边枫电子科技有限公司 | Remote monitoring type photovoltaic junction box based on Hall sensors and WIFI transmission |
| CN104079004A (en) * | 2014-07-24 | 2014-10-01 | 沈阳爱易智慧能源科技有限公司 | Distribution type control system for photovoltaic power generation |
| CN104380483A (en) * | 2012-04-11 | 2015-02-25 | 施耐德电气美国股份有限公司 | Tapered trunking system with distributed combiner |
| 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 |
| CN105048627A (en) * | 2014-12-08 | 2015-11-11 | 银凯特（山东）新能源装备有限公司 | System and method for controlling energy saving in photovoltaic power station |
| CN106254472A (en) * | 2016-08-09 | 2016-12-21 | 丰郅(上海)新能源科技有限公司 | A kind of and photovoltaic module with communication module realize the distributor that information is mutual |
| CN106803739A (en) * | 2017-03-23 | 2017-06-06 | 苏州快可光电科技有限公司 | A kind of inexpensive alarm type photovoltaic component terminal box |
| CN116231616A (en) * | 2022-12-12 | 2023-06-06 | 国家电投集团云南国际电力投资有限公司 | Distributed photovoltaic direct current access electrolytic aluminum power supply system |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080122293A1 (en) * | 2006-10-13 | 2008-05-29 | Pv Powered, Inc. | System and Method for Anti-Islanding, Such as Anti-Islanding for a Grid-Connected Photovoltaic Inverter |
| CN201601392U (en) * | 2010-01-18 | 2010-10-06 | 合肥阳光电源有限公司 | Busbar chamber |
| CN201708732U (en) * | 2010-04-07 | 2011-01-12 | 中环光伏系统有限公司 | Photovoltaic array junction box |
| CN201878049U (en) * | 2010-11-11 | 2011-06-22 | 金海新源电气江苏有限公司 | Intelligent header box for photovoltaic power generation |
| CN202178274U (en) * | 2011-07-20 | 2012-03-28 | 浙江尖山光电股份有限公司 | Intelligent photovoltaic array combiner box |
-
2011
- 2011-07-20 CN CN2011102030949A patent/CN102255571A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080122293A1 (en) * | 2006-10-13 | 2008-05-29 | Pv Powered, Inc. | System and Method for Anti-Islanding, Such as Anti-Islanding for a Grid-Connected Photovoltaic Inverter |
| CN201601392U (en) * | 2010-01-18 | 2010-10-06 | 合肥阳光电源有限公司 | Busbar chamber |
| CN201708732U (en) * | 2010-04-07 | 2011-01-12 | 中环光伏系统有限公司 | Photovoltaic array junction box |
| CN201878049U (en) * | 2010-11-11 | 2011-06-22 | 金海新源电气江苏有限公司 | Intelligent header box for photovoltaic power generation |
| CN202178274U (en) * | 2011-07-20 | 2012-03-28 | 浙江尖山光电股份有限公司 | Intelligent photovoltaic array combiner box |
Cited By (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102608492B (en) * | 2012-03-31 | 2014-05-14 | 广东易事特电源股份有限公司 | System and method for detecting fuse state of combiner box |
| CN102608492A (en) * | 2012-03-31 | 2012-07-25 | 广东易事特电源股份有限公司 | System and method for detecting fuse state of combiner box |
| US9553225B2 (en) | 2012-04-11 | 2017-01-24 | Schneider Electric USA, Inc. | Tapered trunking system with distributed combiner |
| CN104380483A (en) * | 2012-04-11 | 2015-02-25 | 施耐德电气美国股份有限公司 | Tapered trunking system with distributed combiner |
| CN102637761A (en) * | 2012-04-27 | 2012-08-15 | 苏州长风自动化科技有限公司 | Bus bar box with anti-reversion device |
| CN102647021A (en) * | 2012-04-27 | 2012-08-22 | 苏州长风自动化科技有限公司 | Self-powered solar combiner box |
| CN103178620A (en) * | 2013-02-19 | 2013-06-26 | 辽宁凯信新能源技术有限公司 | Mobile photovoltaic power generation and off-peak electricity energy storage control system for lithium batteries |
| CN103178620B (en) * | 2013-02-19 | 2015-07-01 | 辽宁凯信新能源技术有限公司 | Mobile photovoltaic power generation and off-peak electricity energy storage control system for lithium batteries |
| CN103267889A (en) * | 2013-06-05 | 2013-08-28 | 温州科宇电器有限公司 | Novel intelligent photovoltaic confluence device |
| CN103888065A (en) * | 2014-04-03 | 2014-06-25 | 苏州边枫电子科技有限公司 | Remote monitor type photovoltaic connecting box based on voltage detection and RFID transmission |
| CN103888069A (en) * | 2014-04-03 | 2014-06-25 | 苏州边枫电子科技有限公司 | Remote monitoring type photovoltaic junction box based on Hall sensors and WIFI transmission |
| CN104079004A (en) * | 2014-07-24 | 2014-10-01 | 沈阳爱易智慧能源科技有限公司 | Distribution type control system for photovoltaic power generation |
| CN105048627A (en) * | 2014-12-08 | 2015-11-11 | 银凯特（山东）新能源装备有限公司 | System and method for controlling energy saving in photovoltaic power station |
| CN105048627B (en) * | 2014-12-08 | 2016-08-24 | 威海银凯特电气工程有限公司 | Photovoltaic plant energy-saving control system and method |
| 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 |
| CN106254472A (en) * | 2016-08-09 | 2016-12-21 | 丰郅(上海)新能源科技有限公司 | A kind of and photovoltaic module with communication module realize the distributor that information is mutual |
| CN106254472B (en) * | 2016-08-09 | 2021-07-30 | 丰郅(上海)新能源科技有限公司 | Configurator for realizing information interaction with communication module of photovoltaic module |
| CN106803739A (en) * | 2017-03-23 | 2017-06-06 | 苏州快可光电科技有限公司 | A kind of inexpensive alarm type photovoltaic component terminal box |
| CN116231616A (en) * | 2022-12-12 | 2023-06-06 | 国家电投集团云南国际电力投资有限公司 | Distributed photovoltaic direct current access electrolytic aluminum power supply system |
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Application publication date: 20111123 |