CN202178274U - Intelligent photovoltaic array combiner box - Google Patents
Intelligent photovoltaic array combiner box Download PDFInfo
- Publication number
- CN202178274U CN202178274U CN2011202566792U CN201120256679U CN202178274U CN 202178274 U CN202178274 U CN 202178274U CN 2011202566792 U CN2011202566792 U CN 2011202566792U CN 201120256679 U CN201120256679 U CN 201120256679U CN 202178274 U CN202178274 U CN 202178274U
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- China
- Prior art keywords
- photovoltaic
- module
- 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 utility model relates to an intelligent photovoltaic array combiner box. Remote transmission for current detection data can not be realized by a conventional combiner box. A voltage sensor and a current sensor both of which are arranged on each photovoltaic assembly string are externally connected to the same detection module. The detection module is connected with an ethernet communication module. The two input terminals of a power supply module are respectively connected to an anode wiring mother board and a cathode wiring mother board. The output terminal of the power supply module is connected with the detection module. Voltage and current collected by the detection module on each photovoltaic assembly string are transmitted to a photovoltaic generation main monitoring system via the ethernet communication module, thereby convenient for a user to timely and accurately know the working situation of the photovoltaic assembly strings, guaranteeing that the efficacy of a photovoltaic power generation system is fully utilized, and improving reliability of a system.
Description
Technical field
The utility model 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 through 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 after confluxing, connects circuit breaker and output, and is provided with anti-thunderbolt 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.
The utility model content
The utility model provides a kind of voltage and current that can detect the photovoltaic module string in real time to the defective that prior art exists, and can be with the photovoltaic array intelligence header box of testing result remote data transmission.
For this reason; The utility model is taked 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 positive pole and fuse of described each road photovoltaic module string 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 respectively through circuit breaker output; 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 said each road photovoltaic module string are external to same detection module; Described detection module and ethernet communication module are joined, and two inputs of said 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 utility model will be gathered through detection module transfer to photovoltaic generation through 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 the theory diagram of the utility model
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 through 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 through voltage sensor 4.Positive pole wiring busbar 6, negative pole wiring busbar 5 are connected to external equipment through lightning protection devices 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 that is equipped with 2 join with voltage sensor 4, detection module 8 outputs connect ethernet communication module 7.
What need particularly point out is; The mode of the foregoing description only limits to describe embodiment; But the utility model is confined to aforesaid way incessantly; And those skilled in the art can modify in the scope that does not break away from the utility model in view of the above easily, so the scope of the utility model should comprise the principle that the utility model discloses 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 positive pole and a fuse (1) of described each road photovoltaic module string 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 through 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 said 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 said 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 |
|---|---|---|---|
| CN2011202566792U CN202178274U (en) | 2011-07-20 | 2011-07-20 | Intelligent photovoltaic array combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202566792U CN202178274U (en) | 2011-07-20 | 2011-07-20 | Intelligent photovoltaic array combiner box |
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| Publication Number | Publication Date |
|---|---|
| CN202178274U true CN202178274U (en) | 2012-03-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202566792U Expired - Fee Related CN202178274U (en) | 2011-07-20 | 2011-07-20 | Intelligent photovoltaic array combiner box |
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| CN (1) | CN202178274U (en) |
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