CN202940257U - Photovoltaic junction box - Google Patents
Photovoltaic junction box Download PDFInfo
- Publication number
- CN202940257U CN202940257U CN2012206643097U CN201220664309U CN202940257U CN 202940257 U CN202940257 U CN 202940257U CN 2012206643097 U CN2012206643097 U CN 2012206643097U CN 201220664309 U CN201220664309 U CN 201220664309U CN 202940257 U CN202940257 U CN 202940257U
- Authority
- CN
- China
- Prior art keywords
- housing
- metal connecting
- connecting piece
- junction box
- photovoltaic junction
- 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 heat dissipation effect and high connection reliability. The photovoltaic junction box of the utility model comprises a housing and wiring terminals, wherein diodes are installed in the housing, the end parts of the wiring terminals are provided with clamping rings, and the clamping rings of the wiring terminals extend into the housing through wiring terminal holes opened in the side wall of the housing. The key lies in that a plurality of metal connecting pieces are installed side by side in the housing, pins of the diodes are welded on the metal connecting pieces, the housing is internally provided with bolt cap frames, a bolt cap is fixedly installed inside each bolt cap frame, one end of each metal connecting piece is provided with an installation hole, and the metal connecting pieces are fixed together with the housing by passing through the installation holes, the bolt caps and the bolts of the clamping rings. Due to the arrangement of the metal connecting pieces and auxiliary heat dissipation metal pieces, the heat dissipation performance of the photovoltaic junction box is enhanced, electrical connection between internal components and the external wiring terminals is reliable, and the photovoltaic junction box has good practicability.
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
Generally all being provided with the heater element of diode etc. in photovoltaic junction box, how will being electrically connected to reliably between the element of inside, and how the binding post of internal circuit with the external world being electrically connected to, is a difficult problem; Simultaneously, because the heating of element is more concentrated, therefore how realizing good heat radiation, is also the industry urgent problem.
The utility model content
The photovoltaic junction box that the purpose of this utility model is a kind of good heat dissipation effect of proposition, connection reliability is high.
Photovoltaic junction box of the present utility model comprises housing and binding post, diode is installed in housing, the end of binding post is provided with snap ring, the snap ring of described binding post stretches in housing by the binding post hole of housing sidewall, key is several metal connecting pieces are installed in described housing side by side, and the pin of described diode is welded on metal connecting piece; Be provided with the nuts frame in described housing, nuts frame inside is installed with nuts; One end of described metal connecting piece is provided with installing hole, and described metal connecting piece is fixed by the bolt and the housing that pass installing hole, nuts, snap ring.
The pin of diode is welded on metal connecting piece, realize electrical connection between the enclosure interior diode by metal connecting piece, in addition, metal connecting piece is fixed by the bolt and the housing that pass installing hole, nuts, snap ring, like this in fixing metal connector and binding post, also realized being electrically connected between metal connecting piece and binding post by bolt.Metal connecting piece has enlarged the area of dissipation of diode, helps good heat radiation.
Further, install in housing firmly for guaranteeing metal connecting piece, also be provided with draw-in groove in described housing, described metal connecting piece is provided with away from an end of installing hole the clamp that coordinates with described draw-in groove.By clamp is snapped in draw-in groove, metal connecting piece also can be fixed with housing away from an end of installing hole.
Further, described metal connecting piece is equipped with an elasticity Fastener at the side of draw-in groove, is clamped in draw-in groove with the clamp with metal connecting piece; The end of described Fastener is provided with the bayonet socket that can be socketed in the clamp end.Utilize the elasticity Fastener with the compressing of the clamp of metal connecting piece in draw-in groove, can avoid in transportation or installation process clamp to deviate from draw-in groove.
Further, the cross section of described metal connecting piece is " ∏ " shape, and inside is equipped with the auxiliary heat dissipation metalwork of major arc tee section.The auxiliary heat dissipation metalwork is stuck in the inside of metal connecting piece, can dispels the heat better, and installation and convenient fixing, need not worry the problem that the auxiliary heat dissipation metalwork comes off.
Further, the lid of described housing is provided with reinforcement, to strengthen the intensity of housing.
Photovoltaic junction box of the present utility model utilizes metal connecting piece and auxiliary heat dissipation metalwork to strengthen heat dispersion, and it is reliable to make inner member and extraneous binding post be electrically connected to, and has good practicality.
Description of drawings
Fig. 1 is the internal structure exploded perspective view of photovoltaic junction box of the present utility model.
Fig. 2 is the internal structure scheme of installation 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, 2, the photovoltaic junction box of the present embodiment comprises housing 1 and binding post 2, diode 3 is installed in housing 1, the end of binding post 2 is provided with snap ring 21, the snap ring 21 of binding post 2 stretches in housing 1 by the binding post hole of housing sidewall, several metal connecting pieces 4 are installed in housing 1 side by side, and the pin of diode 3 is welded on metal connecting piece 4; Be provided with nuts frame 11 in housing 1, nuts frame 5 inside are installed with nuts 5; One end of metal connecting piece 4 is provided with installing hole 41, and metal connecting piece 4 is fixing with housing 1 by the bolt 6 that passes installing hole 41, nuts 5, snap ring 21.
Further, for guaranteeing that metal connecting piece 4 is firm in the interior installation of housing 1, also be provided with draw-in groove 12 in described housing 1, described metal connecting piece 4 is provided with away from an end of installing hole 41 clamp 42 that coordinates with described draw-in groove 12.By clamp 42 is snapped in draw-in groove 41, can metal connecting piece 4 is also fixing with housing 1 away from an end of installing hole 41.
Further, metal connecting piece 4 is equipped with an elasticity Fastener 7 at the side of draw-in groove, is clamped in draw-in groove 12 with the clamp 42 with metal connecting piece; The end of described Fastener 7 is provided with the bayonet socket 71 that can be socketed in the clamp end.Utilize elasticity Fastener 7 with clamp 42 compressing of metal connecting piece in draw-in groove 12, can avoid in transportation or installation process clamp 42 to deviate from draw-in groove 12.
Further, the cross section of metal connecting piece 4 is " ∏ " shape, and inside is equipped with the auxiliary heat dissipation metalwork 8 of major arc tee section.Auxiliary heat dissipation metalwork 8 is stuck in the inside of metal connecting piece 4, can dispels the heat better, and installation and convenient fixing, need not worry the problem that auxiliary heat dissipation metalwork 8 comes off.
The pin of diode 3 is welded on metal connecting piece 4, realize electrical connection between enclosure interior diode 3 by metal connecting piece 4, in addition, metal connecting piece 4 is fixing with housing 1 by the bolt 6 that passes installing hole 41, nuts 5, snap ring 21, like this in fixing metal connector 4 and binding post 2, also realized being electrically connected between metal connecting piece 4 and binding post 2 by bolt 6.Metal connecting piece 4 has enlarged the area of dissipation of diode 3, helps good heat radiation.
Claims (5)
1. photovoltaic junction box, comprise housing and binding post, diode is installed in housing, the end of binding post is provided with snap ring, the snap ring of described binding post stretches in housing by the binding post hole of housing sidewall, it is characterized in that several metal connecting pieces are installed in described housing side by side, the pin of described diode is welded on metal connecting piece; Be provided with the nuts frame in described housing, nuts frame inside is installed with nuts; One end of described metal connecting piece is provided with installing hole, and described metal connecting piece is fixed by the bolt and the housing that pass installing hole, nuts, snap ring.
2. photovoltaic junction box according to claim 1, is characterized in that also being provided with in described housing draw-in groove, and described metal connecting piece is provided with away from an end of installing hole the clamp that coordinates with described draw-in groove.
3. photovoltaic junction box according to claim 1 and 2, is characterized in that described metal connecting piece is equipped with an elasticity Fastener at the side of draw-in groove, is clamped in draw-in groove with the clamp with metal connecting piece; The end of described Fastener is provided with the bayonet socket that can be socketed in the clamp end.
4. photovoltaic junction box according to claim 1 and 2, the cross section that it is characterized in that described metal connecting piece is ∏ " shape, inside is equipped with the auxiliary heat dissipation metalwork of major arc tee section.
5. photovoltaic junction box according to claim 1 and 2, is characterized in that the lid of described housing is provided with reinforcement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206643097U CN202940257U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012206643097U CN202940257U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202940257U true CN202940257U (en) | 2013-05-15 |
Family
ID=48324481
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012206643097U Expired - Fee Related CN202940257U (en) | 2012-12-05 | 2012-12-05 | Photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202940257U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059488A (en) * | 2016-08-16 | 2016-10-26 | 江苏绿扬光伏科技有限公司 | High-strength quick-heat-dissipation junction box |
-
2012
- 2012-12-05 CN CN2012206643097U patent/CN202940257U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106059488A (en) * | 2016-08-16 | 2016-10-26 | 江苏绿扬光伏科技有限公司 | High-strength quick-heat-dissipation 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 |
Granted publication date: 20130515 Termination date: 20181205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |