CN203013769U - Photovoltaic combiner box with copper bar structure - Google Patents
Photovoltaic combiner box with copper bar structure Download PDFInfo
- Publication number
- CN203013769U CN203013769U CN2013200004516U CN201320000451U CN203013769U CN 203013769 U CN203013769 U CN 203013769U CN 2013200004516 U CN2013200004516 U CN 2013200004516U CN 201320000451 U CN201320000451 U CN 201320000451U CN 203013769 U CN203013769 U CN 203013769U
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- China
- Prior art keywords
- copper bar
- clamp
- lead
- combiner box
- photovoltaic combiner
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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 utility model relates to the field of photovoltaic power generation technology, and particularly discloses a photovoltaic combiner box with a copper bar structure. The photovoltaic combiner box with a copper bar structure comprises a box body and a combiner circuit arranged inside the box body; the combiner circuit internally comprises a lightning protection device, a measuring module, input terminals and output terminals; and the lightning protection device, the measuring module, the input terminals and the output terminals are all electrically connected via copper bars. According to the photovoltaic combiner box with a copper bar structure, the copper bars in preset shapes are adopted to fully replace all copper wires and part of terminal boxes inside the original combiner box, thereby simplifying the wiring structure, improving the reliability and reducing the cost.
Description
Technical field
The utility model relates to the photovoltaic power generation technology field, relates in particular to a kind of photovoltaic combiner box that adopts structure of copper bar.
Background technology
Along with the development of heliotechnics, increasing city and enterprise bring into use the solar energy power generating cell panel to generate electricity.Photovoltaic combiner box is that the group that is comprised of the multichannel solar photovoltaic assembly of tandem is gone here and there tandem equipment in the middle of photovoltaic DC-to-AC converter important, is solar power station, the equipment that the large-scale photovoltaic electricity generation system in building integrated photovoltaic and other commercializations must be used.
The major function that the box house of photovoltaic combiner box is realized has (1) tandem, realizes that multichannel advances one the tunnel and go out; (2) protection realizes abnormal and switch open circuit protection when safeguarding; (3) lightning protection realizes lightning-arrest by lightning-protection module; (4) data acquisition realizes the monitoring of the environmental datas such as the detection of every road current/voltage and spin manifold temperature by intelligent detecting module.The internal wiring of existing photovoltaic combiner box all adopts the copper cash syndeton of fire-retardant crust basically.In order to realize the basic function of header box, wiring needs through a plurality of links, just will connect through the complexity of a plurality of terminal box binding posts and can complete.As shown in Figure 1, the existing photovoltaic combiner box that adopts the copper cash syndeton, its lightning protection device 1, intelligent detecting module 2 and positive and negative lead-in clamp 3,4 and output wiring terminal 5 between a plurality of terminal boxes 6, the copper cash 7 of many 4 squares, and the copper cash 8 of many 30 squares, not only internal structure is comparatively complicated for it, repair and maintenance is difficulty comparatively, and due to parts and contact point more, line is long, so the fault point is many and line loss is larger, simultaneously, and because internal wiring is complicated, therefore produce time-consumingly, be unfavorable for saving cost.
The utility model content
The purpose of this utility model is, proposes a kind of photovoltaic combiner box of structure of copper bar, and it adopts the copper bar of prefabricated shape to replace all copper cash and the part terminal box of former header box inside fully, when simplifying connecting line construction, has also improved reliability, has reduced cost.
For achieving the above object, the utility model provides a kind of photovoltaic combiner box of structure of copper bar, it comprises: casing and be located at the circuit that confluxes in casing, include lightning protection device, measurement module, lead-in clamp and output wiring terminal in the described circuit that confluxes, all be electrically connected by copper bar between this lightning protection device, measurement module, lead-in clamp and output wiring terminal.
Wherein, described lead-in clamp comprises anodal lead-in clamp and negative pole lead-in clamp, and described measurement module is electrically connected by an anodal confluence copper bar and anodal lead-in clamp.
Measurement module of the present utility model also is electrically connected by holding wire and several Hall elements, and these several Hall elements all are connected with anodal confluence copper bar.
Further, also be electrically connected with several fuses between described several Hall elements and anodal lead-in clamp.
In the utility model, between described lightning protection device and negative pole lead-in clamp, and all be electrically connected by copper bar between negative pole lead-in clamp and output wiring terminal.
Moreover the utility model also comprises the air switch that opens circuit, and described lightning protection device and this open circuit between air switch, and opens circuit and all be electrically connected by copper bar between air switch and output wiring terminal.
The photovoltaic combiner box of structure of copper bar of the present utility model, it adopts the copper bar of prefabricated shape to replace all copper cash and the part terminal box of former header box inside fully, has simplified the connecting line construction of header box inside, has not only reduced cost, also reduce the fault point of equipment, improved reliability; Therefore simultaneously, because prefabricated copper bar can be produced in batches, and install conveniently, can improve production technology; Moreover the contact area of copper bar and binding post is large, therefore can reduce the loss of device interior; In addition, copper bar is exposed, and not only thermal diffusivity is good, and very clear, and repair and maintenance all more for convenience.
Description of drawings
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, the below will do to introduce simply to the accompanying drawing of required use in embodiment or description of the Prior Art, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, under the prerequisite of not paying creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the circuit connection schematic diagram that confluxes of photovoltaic combiner box inside in prior art;
Fig. 2 is the circuit connection schematic diagram that confluxes of a kind of specific embodiment of the utility model;
Fig. 3 is the structural representation of a kind of specific embodiment of anodal confluence copper bar in the utility model.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment that obtains under the creative work prerequisite, all belong to the scope of the utility model protection.
As shown in Figure 2, the utility model provides a kind of photovoltaic combiner box of structure of copper bar, it comprises: casing (not shown) and be located at the circuit that confluxes in casing, include lightning protection device 10, measurement module 20, lead-in clamp and output wiring terminal 40 in the described circuit that confluxes, all be electrically connected by copper bar between this lightning protection device 10, measurement module 20, lead-in clamp and output wiring terminal 40.Wherein, described lightning protection device 10 can be by three fusible links (FUSE), 12 realizations, and measurement module 20 can directly adopt intelligent detecting module 2 of the prior art.The utility model changes the copper cash syndeton of the fire-retardant crust of original employing, replace all copper cash and the part terminal box of header box inside fully by the copper bar of prefabricated shape, make the header box internal structure greatly simplify, reduce the fault point of equipment, also improved reliability when reducing costs.
In the utility model specific embodiment, described lead-in clamp comprises anodal lead-in clamp 30 and negative pole lead-in clamp 32, and described measurement module 20 is electrically connected by an anodal confluence copper bar 50 and anodal lead-in clamp 30.Further, described measurement module 20 also is electrically connected by holding wire 22 and several Hall elements 24, these several Hall elements 24 all are connected with anodal confluence copper bar 50, also are electrically connected with several fuses 26 between these several Hall elements 24 and anodal lead-in clamp 30.Copper bar in the utility model can be designed to various shapes according to concrete wiring needs, as shown in Figure 3, structural representation for the anodal confluence copper bar 50 of a kind of specific embodiment of the utility model, this positive pole confluence copper bar 50 can be according to the wires design of reality, integral type arranges several haptic elements 54 on the matrix 52 of strip structure, the setting vertical with matrix 52 of these several feelers 54, and several feelers 54 equidistant parallel arrangement each other.Setting due to this positive pole confluence copper bar 50, having substituted eight in original Fig. 1 fully, to advance a terminal box 6(who outes with the copper cash 7 of 4 squares, the copper cash 8 of one 30 squares and one eight shown in Figure 1), simplified greatly the connecting line construction of header box, reduced cost, and repair and maintenance more for convenience.
Further, in the utility model, between described lightning protection device 10 and negative pole lead-in clamp 32, and all be electrically connected by copper bar 50 ' between negative pole lead-in clamp 32 and output wiring terminal 40.Further, the utility model also comprises the air switch 60 that opens circuit, and described lightning protection device 10 and this open circuit between air switch 60, and opens circuit and all be electrically connected by copper bar 50 ' between air switch 60 and output wiring terminal 40.This copper bar 50 ' can be predisposed to various arbitrary shapes equally, because prefabricated copper bar can be produced in batches, and install convenient, thereby improved production technology; Simultaneously, because the contact area of copper bar and binding post is large, thereby can reduce the loss of device interior; In addition, because copper bar is exposed, its good heat dispersion performance can improve reliability to a certain extent.
The above is only preferred embodiment of the present utility model; not in order to limit the utility model; all within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection range of the present utility model.
Claims (6)
1. the photovoltaic combiner box of a structure of copper bar, comprise casing and be located at the interior circuit that confluxes of casing, it is characterized in that, include lightning protection device, measurement module, lead-in clamp and output wiring terminal in the described circuit that confluxes, all be electrically connected by copper bar between this lightning protection device, measurement module, lead-in clamp and output wiring terminal.
2. the photovoltaic combiner box of structure of copper bar as claimed in claim 1, is characterized in that, described lead-in clamp comprises anodal lead-in clamp and negative pole lead-in clamp, and described measurement module is electrically connected by an anodal confluence copper bar and anodal lead-in clamp.
3. the photovoltaic combiner box of structure of copper bar as claimed in claim 2, is characterized in that, described measurement module also is electrically connected by holding wire and several Hall elements, and these several Hall elements all are connected with anodal confluence copper bar.
4. the photovoltaic combiner box of structure of copper bar as claimed in claim 3, is characterized in that, also is electrically connected with several fuses between described several Hall elements and anodal lead-in clamp.
5. the photovoltaic combiner box of structure of copper bar as claimed in claim 2, is characterized in that, between described lightning protection device and negative pole lead-in clamp, and all is electrically connected by copper bar between negative pole lead-in clamp and output wiring terminal.
6. the photovoltaic combiner box of structure of copper bar as claimed in claim 5, is characterized in that, also comprises the air switch that opens circuit, and described lightning protection device and this open circuit between air switch, and open circuit and all be electrically connected by copper bar between air switch and output wiring terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200004516U CN203013769U (en) | 2013-01-03 | 2013-01-03 | Photovoltaic combiner box with copper bar structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013200004516U CN203013769U (en) | 2013-01-03 | 2013-01-03 | Photovoltaic combiner box with copper bar structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203013769U true CN203013769U (en) | 2013-06-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2013200004516U Expired - Fee Related CN203013769U (en) | 2013-01-03 | 2013-01-03 | Photovoltaic combiner box with copper bar structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203013769U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856436A (en) * | 2019-01-09 | 2019-06-07 | 国网上海市电力公司 | A kind of electric energy metering device |
-
2013
- 2013-01-03 CN CN2013200004516U patent/CN203013769U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109856436A (en) * | 2019-01-09 | 2019-06-07 | 国网上海市电力公司 | A kind of electric energy metering device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address |
Address after: 650228, 27 garden, jade garden, Dianchi holiday resort, Kunming, Yunnan Patentee after: KUNMING GREEN POWER TECHNOLOGY (GROUP) CO.,LTD. Address before: 650033, 508, comprehensive business building, Jinding Science Park, No. 690, Xuefu Road, Yunnan, Kunming Patentee before: KUNMING GREEN POWER TECHNOLOGY Co.,Ltd. |
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| CP03 | Change of name, title or address | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20210429 Granted publication date: 20130619 |
|
| PP01 | Preservation of patent right | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20230103 Granted publication date: 20130619 |
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| PD01 | Discharge of preservation of patent | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130619 |
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| CF01 | Termination of patent right due to non-payment of annual fee |