CN202067812U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN202067812U CN202067812U CN2011201713845U CN201120171384U CN202067812U CN 202067812 U CN202067812 U CN 202067812U CN 2011201713845 U CN2011201713845 U CN 2011201713845U CN 201120171384 U CN201120171384 U CN 201120171384U CN 202067812 U CN202067812 U CN 202067812U
- Authority
- CN
- China
- Prior art keywords
- busbar
- binding post
- junction box
- photovoltaic
- box body
- 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
Links
- 238000003466 welding Methods 0.000 claims abstract description 7
- 238000002485 combustion reaction Methods 0.000 abstract description 4
- 238000010438 heat treatment Methods 0.000 abstract description 4
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- 238000005219 brazing Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
Images
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
Landscapes
- Photovoltaic Devices (AREA)
- Connections Effected By Soldering, Adhesion, Or Permanent Deformation (AREA)
Abstract
The utility model discloses a photovoltaic junction box. The photovoltaic junction box comprises a box body and a connecting piece, wherein the connecting piece is arranged in the box body; a busbar is arranged on the box body and extends to and is electrically connected with a photovoltaic component; and a wiring terminal is arranged on the connecting piece and electrically connected with the busbar in a clamping and welding combined manner. The photovoltaic junction box can solve the problems of heating and combustion, which are caused by poor connection between the photovoltaic component and the junction box.
Description
Technical field
The utility model relates to the photovoltaic power generation technology field, relates in particular to a kind of photovoltaic junction box.
Background technology
At present, the electric connecting mode of the binding post of photovoltaic junction box and component bus bar is mainly the mechanical snap mode.But, adopt the mechanical snap mode to be easy to occur the situation of virtual connection, reliability is low.In the actual motion of photovoltaic module, the electric current of assembly is very high, and generally more than 8A, if having virtual connection between the binding post of the output lead of photovoltaic module and terminal box, the phenomenon of the burning of will generating heat causes connecing the box body distortion even burns.
The utility model content
The utility model proposes a kind of photovoltaic junction box, can solve the heating combustion problem that photovoltaic module and terminal box bad connection cause.
The photovoltaic junction box that the utility model embodiment provides comprises box body and connector; Described connector is arranged on the inside of described box body; Also be provided with busbar on the described box body, described busbar extends to photovoltaic module, and is electrically connected with described photovoltaic module; Described connector is provided with binding post, is electrically connected with the mode that welding combines by clamping between described binding post and the described busbar.
In a preferred implementation, described binding post is provided with rotation and presses fastener; Press fastener that described busbar is fixed on the described binding post by described rotation.
In another preferred implementation, the termination of described busbar is provided with jump ring, can holding on described binding post.
The photovoltaic junction box that the utility model embodiment provides, adopt the electric connection mode of the double insurance that welding combines with clamping between the busbar of its binding post and photovoltaic module, the reliability height, can avoid occurring between the output lead of photovoltaic module and the terminal box binding post phenomenon of virtual connection effectively, can solve the heating combustion problem that photovoltaic module and terminal box bad connection cause well, the useful life that can also improve terminal box.
Description of drawings
Fig. 1 is the structural representation of the photovoltaic junction box that provides of the utility model embodiment.
Embodiment
Below in conjunction with the accompanying drawing among the utility model embodiment, the technical scheme among the utility model embodiment is clearly and completely described.
Referring to Fig. 1, be the structural representation of the photovoltaic junction box that provides of the utility model embodiment.
The photovoltaic junction box that present embodiment provides comprises box body 1 and connector 2; Connector 2 is arranged on the inside of box body 1; Also be provided with busbar on the box body 1, busbar extends to photovoltaic module, and is electrically connected with described photovoltaic module; Connector 2 is provided with binding post, is electrically connected with the mode that welding combines by clamping between binding post and the busbar.
Preferably, the welding manner between described binding post and the described busbar is the tin brazing mode.
As shown in Figure 1, be provided with a plurality of connectors in the box body 1; Be provided with diode 3 between two adjacent connectors.
More specifically, box body 1 is provided with installing hole; Busbar is drawn from the bottom of photovoltaic module, passes described installing hole, is connected on the binding post of terminal box.
In a preferred implementation, the binding post of terminal box is provided with rotation and presses fastener; Press fastener that busbar is fixed on the binding post by rotation.
In another preferred implementation, the termination of busbar is provided with jump ring, can holding on binding post.
The photovoltaic junction box that the utility model embodiment provides, adopt the electric connection mode of the double insurance that welding combines with clamping between the busbar of its binding post and photovoltaic module, the reliability height, can avoid the output lead of photovoltaic module and the phenomenon of the appearance virtual connection between the terminal box binding post effectively, can solve the heating combustion problem that photovoltaic module and terminal box bad connection cause well, the useful life that can also improve terminal box.
The above is a preferred implementation of the present utility model; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the utility model principle; can also make some improvements and modifications, these improvements and modifications also are considered as protection range of the present utility model.
Claims (5)
1. a photovoltaic junction box is characterized in that, comprises box body and connector; Described connector is arranged on the inside of described box body; Also be provided with busbar on the described box body, described busbar extends to photovoltaic module, and is electrically connected with described photovoltaic module; Described connector is provided with binding post, is electrically connected with the mode that welding combines by clamping between described binding post and the described busbar.
2. photovoltaic junction box as claimed in claim 1 is characterized in that, is provided with a plurality of connectors in the described box body; Be provided with diode between two adjacent connectors.
3. photovoltaic junction box as claimed in claim 2 is characterized in that described box body is provided with installing hole; Described busbar is drawn from the bottom of photovoltaic module, passes described installing hole, is connected on the described binding post.
4. photovoltaic junction box as claimed in claim 3 is characterized in that, described binding post is provided with rotation and presses fastener; Press fastener that described busbar is fixed on the described binding post by described rotation.
5. photovoltaic junction box as claimed in claim 3 is characterized in that the termination of described busbar is provided with jump ring, can holding on described binding post.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201713845U CN202067812U (en) | 2011-05-26 | 2011-05-26 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201713845U CN202067812U (en) | 2011-05-26 | 2011-05-26 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202067812U true CN202067812U (en) | 2011-12-07 |
Family
ID=45061667
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201713845U Expired - Fee Related CN202067812U (en) | 2011-05-26 | 2011-05-26 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202067812U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456814A (en) * | 2012-05-28 | 2013-12-18 | 苏州快可光伏电子股份有限公司 | Junction box |
| CN103856164A (en) * | 2012-12-06 | 2014-06-11 | 台达电子工业股份有限公司 | Junction box, solar cell and method for mounting bus bar in junction box |
| CN104810642B (en) * | 2015-01-30 | 2017-03-15 | 凡甲电子(苏州)有限公司 | Power connector and its manufacture method |
-
2011
- 2011-05-26 CN CN2011201713845U patent/CN202067812U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103456814A (en) * | 2012-05-28 | 2013-12-18 | 苏州快可光伏电子股份有限公司 | Junction box |
| CN103856164A (en) * | 2012-12-06 | 2014-06-11 | 台达电子工业股份有限公司 | Junction box, solar cell and method for mounting bus bar in junction box |
| CN103856164B (en) * | 2012-12-06 | 2015-12-23 | 台达电子工业股份有限公司 | Junction box, solar cell, and method of installing bus bars in junction box |
| CN104810642B (en) * | 2015-01-30 | 2017-03-15 | 凡甲电子(苏州)有限公司 | Power connector and its manufacture method |
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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 |
Granted publication date: 20111207 Termination date: 20160526 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |