CN203722574U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN203722574U CN203722574U CN201420051682.4U CN201420051682U CN203722574U CN 203722574 U CN203722574 U CN 203722574U CN 201420051682 U CN201420051682 U CN 201420051682U CN 203722574 U CN203722574 U CN 203722574U
- Authority
- CN
- China
- Prior art keywords
- box body
- plastic cement
- photovoltaic junction
- plastic box
- junction box
- Prior art date
- 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.)
- Expired - Fee Related
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Classifications
-
- 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)
- Connection Or Junction Boxes (AREA)
Abstract
The utility model discloses a photovoltaic junction box. The photovoltaic junction box comprises a plastic box body with a skeleton and a box cover fit with the plastic box body, one end of the plastic box body is connected with a first cable terminal, the other end of the plastic box body is connected with a second cable terminal, one side of the plastic box body is provided with installing holes, a positive bus bar and a negative bus bar led out from the bottom of a solar cell assembly can be accessed into the installing holes, the other side of the plastic box body is provided with a plurality of connecting pieces integrally formed with the plastic box body and a plurality of diodes integrally formed with the plastic box body, the plurality of diodes are respectively welded on the plurality of connecting pieces, and the connecting pieces are provided with welding parts extending into the installing holes in a protruding manner. According to the photovoltaic junction box, the heat radiation performance is improved, and the rated current is increased.
Description
Technical field
The utility model relates to a kind of for connecting the photovoltaic junction box of solar module.
Background technology
Photovoltaic junction box is used for connecting solar module, during use, as required, by several photovoltaic junction boxes, several solar modules is cascaded.Refer to No. 201504063 patent of Chinese patent bulletin, it has disclosed a kind of photovoltaic junction box of the prior art, comprise: box body and the lid matching with box body, the bottom of described box body offers can be for the positive busbar of drawing from solar module bottom and negative rail access installing hole, six connectors are installed in box body, between connector, be respectively arranged with diode, on described diode, be provided with fin.The defect of the photovoltaic junction box of this kind of structure is: 1, the connective stability between the electronic component such as connector, diode and plastic cement box body is not high; 2, due in use, the electronic components such as connector, diode can produce a lot of heats, this kind of structure make these heats can only be first by the air in box, externally dispel the heat by box body and lid again, radiating effect is poor.
Therefore, be necessary to provide a kind of photovoltaic junction box solving the problems of the technologies described above.
Utility model content
Technical problem to be solved in the utility model is: provide that a kind of Stability Analysis of Structures is reliable, the photovoltaic junction box of perfect heat-dissipating.
For solving the problems of the technologies described above, the technical solution adopted in the utility model is: a kind of photovoltaic junction box, comprise: be provided with the plastic cement box body of skeleton and the lid matching with plastic cement box body, one end of described plastic cement box body is connected with First Line cable-end, the other end of described plastic cement box body is connected with the second cable end, one side of described plastic cement box body offers the positive busbar that can draw for solar module bottom and the installing hole of negative rail access, the opposite side of described plastic cement box body be provided with several connectors of plastic box body by integral forming and with several diodes of plastic box body by integral forming, described several diode is welded in respectively on several connectors, described connector is provided with the weld part protruding in installing hole.
As a kind of preferred technical scheme, described lid is made by plastic cement.
As a kind of preferred technical scheme, the rectangular setting of described installing hole, is filled with glue in described installing hole.
The beneficial effects of the utility model are: the utility model is by becoming connector and diode design and plastic box body by integral forming, thereby greatly improved the product structure stability of photovoltaic junction box, in addition, in use, the heat that diode produces can directly externally dispel the heat by plastic cement box body and connector, and the skeleton structure of plastic box external surface setting has improved its heat dispersion greatly, increased rated current.
Accompanying drawing explanation
In order to be illustrated more clearly in the utility model embodiment or technical scheme of the prior art, to the accompanying drawing of required use in embodiment or description of the Prior Art be briefly described below, apparently, accompanying drawing in the following describes is only embodiment more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the structural representation of photovoltaic junction box in the utility model.
Fig. 2 is that in the utility model, photovoltaic junction box is taken away the structural representation after lid.
In Fig. 1 and Fig. 2: 1, plastic cement box body, 10, installing hole, 2, lid, 3, First Line cable-end, the 4, second cable end, 5, connector, 50, weld part, 6, diode, 7, skeleton.
Embodiment
In order further to understand the utility model, below in conjunction with embodiment, the utility model preferred embodiment is described, but should be appreciated that these are described is for further illustrating feature and advantage of the present utility model, rather than the restriction to the utility model claim.
Refer to Fig. 1 and Fig. 2, a kind of photovoltaic junction box, comprise: be provided with the plastic cement box body 1 of skeleton and the lid 2 matching with plastic cement box body 1, one end of described plastic cement box body 1 is connected with First Line cable-end 3, the other end of described plastic cement box body 1 is connected with the second cable end 4, one side of described plastic cement box body 1 offers the positive busbar that can draw for solar module bottom and the installing hole 10 of negative rail access, the opposite side of described plastic cement box body 1 be provided with the integrated several connectors 5 of plastic cement box body 1 and with the integrated several diodes 6 of plastic cement box body 1, described several diode 6 is welded in respectively on several connectors 5, described connector 5 is provided with the weld part 50 protruding in installing hole 10.Described lid 2 is made by plastic cement.The rectangular setting of described installing hole 10, is filled with glue in described installing hole 10.In actual use, first lid 2 is opened, then by the positive busbar of drawing bottom solar module and negative rail access installing hole 10, and weld mutually with the weld part 50 of connector 5, then glue is injected in installing hole 10, make its location, finally lid 2 is loaded onto.In actual applications, utilize photovoltaic junction box by the use that is cascaded of a plurality of solar modules, diode 6 can play and make electric current one-way flow, prevents the effect of water conservancy diversion, when indivedual solar modules break down, diode 6 can also play connection function.
The utility model is by being designed to plastic cement box body 1 one-body molded by connector 5 and diode 6, thereby greatly improved the product structure reliability of photovoltaic junction box, in addition, in use, the heat that diode 6 produces can directly externally dispel the heat by plastic cement box body 1 and connector 5, and the skeleton 7 of plastic box external surface setting has improved its heat dispersion greatly, increased rated current.
It should be noted that, in this article, relational terms such as the first and second grades is only used for an entity or operation to separate with another entity or operating space, and not necessarily requires or imply and between these entities or operation, have the relation of any this reality or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thereby the process, method, article or the equipment that make to comprise a series of key elements not only comprise those key elements, but also comprise other key elements of clearly not listing, or be also included as the intrinsic key element of this process, method, article or equipment.The in the situation that of more restrictions not, the key element being limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment that comprises described key element and also have other identical element.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To the multiple modification of these embodiment, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiment shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (3)
1. a photovoltaic junction box, comprise: be provided with the plastic cement box body of skeleton and the lid matching with plastic cement box body, one end of described plastic cement box body is connected with First Line cable-end, the other end of described plastic cement box body is connected with the second cable end, one side of described plastic cement box body offers the positive busbar that can draw for solar module bottom and the installing hole of negative rail access, it is characterized in that: the opposite side of described plastic cement box body be provided with several connectors of plastic box body by integral forming and with several diodes of plastic box body by integral forming, described several diode is welded in respectively on several connectors, described connector is provided with the weld part protruding in installing hole.
2. a kind of photovoltaic junction box as claimed in claim 1, is characterized in that: described lid is made by plastic cement.
3. a kind of photovoltaic junction box as claimed in claim 2, is characterized in that: the rectangular setting of described installing hole, is filled with glue in described installing hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051682.4U CN203722574U (en) | 2014-01-27 | 2014-01-27 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420051682.4U CN203722574U (en) | 2014-01-27 | 2014-01-27 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203722574U true CN203722574U (en) | 2014-07-16 |
Family
ID=51161694
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420051682.4U Expired - Fee Related CN203722574U (en) | 2014-01-27 | 2014-01-27 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203722574U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780202A (en) * | 2014-01-27 | 2014-05-07 | 张家港市天能科技有限公司 | Photovoltaic junction box |
-
2014
- 2014-01-27 CN CN201420051682.4U patent/CN203722574U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103780202A (en) * | 2014-01-27 | 2014-05-07 | 张家港市天能科技有限公司 | Photovoltaic junction box |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20170127 |