CN202940258U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN202940258U CN202940258U CN201220664310XU CN201220664310U CN202940258U CN 202940258 U CN202940258 U CN 202940258U CN 201220664310X U CN201220664310X U CN 201220664310XU CN 201220664310 U CN201220664310 U CN 201220664310U CN 202940258 U CN202940258 U CN 202940258U
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- CN
- China
- Prior art keywords
- conductors
- junction box
- housing
- photovoltaic junction
- electric conductor
- 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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- 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)
Abstract
The utility model aims to provide a photovoltaic junction box which has good sealing effect and in which a conductor is installed stably. The photovoltaic junction box of the utility model comprises a housing in which conductors and diodes are installed. The key lies in that positioning columns are fixed in the housing by thermal fusion welding, the conductors are installed on the positioning columns, the diodes are welded on the conductors, and the housing is packaged by glue pouring. As the box body is packaged by glue pouring, the sealing performance is better compared with the traditional sealing method using a sealing ring, and the photovoltaic junction box can be soaked in the water for a long time; the positioning columns of the conductors are fixed by thermal fusion welding so that the conductors can be fixed more firmly and more reliably; and as the diodes and the conductors are connected and fixed together through a soldering connection process, the contact resistance is reduced, and the power generation loss of a photovoltaic module is reduced.
Description
Technical field
The utility model belongs to the photovoltaic power generation technology field, specially refers to a kind of photovoltaic junction box.
Background technology
The hermetically-sealed construction that present most photovoltaic junction box adopts is the hermetically-sealed construction of sealing ring type, and sealing effectiveness particularly when ducking in drink for a long time, very easily produces the situation of leak electricity short-circuit carefully.In addition, it is bad that the electric conductor of conventional photovoltaic terminal box inside is installed the location, and electric conductor has the situation of rocking after installing.
The utility model content
The purpose of this utility model is to propose a kind of good sealing effect, the firm photovoltaic junction box of electric conductor installation.
Photovoltaic junction box of the present utility model comprises housing, and electric conductor and diode are installed in housing, and key is to adopt in described housing thermal welding to be fixed with reference column, and described electric conductor is installed on reference column; Described welding diode is on electric conductor; Described housing encapsulating encapsulation.
Box body adopts the technique of encapsulating encapsulation, the better effects if of more traditional sealing ring sealing on sealing property, the environment for use that goes for ducking in drink for a long time; And the reference column of electric conductor adopts the thermal welding technique for fixing, makes the fixing more firm, reliable of electric conductor; Adopt scolding tin to be connected technique between diode and electric conductor, both are connected and fix, reduced contact resistance, thereby reduced the photovoltaic module generation loss.
Further, the end that confluxes of described electric conductor is provided with the tin layer, can more convenient welding photovoltaic component be installed by busbar, thereby reduce contact resistance, reduces the photovoltaic module generation loss.
Photovoltaic junction box of the present utility model uses the mode of the inner encapsulating of box body, makes sealing property more reliable, and when product work, and box body can integral heat sink; Reduce contact resistance after the busbar welding, can effectively reduce the loss of photovoltaic module generating, have good practicality.
Description of drawings
Fig. 1 is the internal structure schematic diagram of photovoltaic junction box of the present utility model.
Embodiment
The below contrasts accompanying drawing, by the description to embodiment, the effect of the mutual alignment between the shape of embodiment of the present utility model such as related each member, structure, each several part and annexation, each several part and operation principle etc. are described in further detail.
Embodiment 1:
As shown in Figure 1, the photovoltaic junction box of the present embodiment comprises housing 1, and electric conductor 2 and diode 3 are installed in housing 1, and the interior employing thermal welding of housing 1 is fixed with reference column 4, and electric conductor 2 is installed on reference column 4; Diode 3 is welded on electric conductor 2; Housing 1 encapsulating encapsulation.
The end 21 that confluxes of electric conductor 2 is provided with the tin layer, can more convenient welding photovoltaic component be installed by busbar, thereby reduce contact resistance, reduces the photovoltaic module generation loss.
Claims (2)
1. a photovoltaic junction box, comprise housing, and electric conductor and diode are installed in housing, it is characterized in that adopting in described housing thermal welding to be fixed with reference column, and described electric conductor is installed on reference column; Described welding diode is on electric conductor; Described housing encapsulating encapsulation.
2. photovoltaic junction box according to claim 1, is characterized in that the end that confluxes of described electric conductor is provided with the tin layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220664310XU CN202940258U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201220664310XU CN202940258U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940258U true CN202940258U (en) | 2013-05-15 |
Family
ID=48324482
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201220664310XU Expired - Fee Related CN202940258U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940258U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701408A (en) * | 2013-11-16 | 2014-04-02 | 浙江鑫辉光伏科技有限公司 | Potted photovoltaic junction box |
| CN103701406A (en) * | 2013-11-16 | 2014-04-02 | 浙江鑫辉光伏科技有限公司 | Economic type photovoltaic junction box |
| CN104796078A (en) * | 2014-01-16 | 2015-07-22 | 江西晶科光伏材料有限公司 | Photovoltaic junction box |
-
2012
- 2012-12-05 CN CN201220664310XU patent/CN202940258U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103701408A (en) * | 2013-11-16 | 2014-04-02 | 浙江鑫辉光伏科技有限公司 | Potted photovoltaic junction box |
| CN103701406A (en) * | 2013-11-16 | 2014-04-02 | 浙江鑫辉光伏科技有限公司 | Economic type photovoltaic junction box |
| CN103701408B (en) * | 2013-11-16 | 2015-09-09 | 浙江鑫辉光伏科技有限公司 | Encapsulating type photovoltaic junction box |
| CN103701406B (en) * | 2013-11-16 | 2016-04-13 | 浙江鑫辉光伏科技有限公司 | Photovoltaic junction box |
| CN104796078A (en) * | 2014-01-16 | 2015-07-22 | 江西晶科光伏材料有限公司 | 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: 20130515 Termination date: 20181205 |