CN201928203U - Terminal box used for solar photovoltaic generation - Google Patents
Terminal box used for solar photovoltaic generation Download PDFInfo
- Publication number
- CN201928203U CN201928203U CN2011200321254U CN201120032125U CN201928203U CN 201928203 U CN201928203 U CN 201928203U CN 2011200321254 U CN2011200321254 U CN 2011200321254U CN 201120032125 U CN201120032125 U CN 201120032125U CN 201928203 U CN201928203 U CN 201928203U
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- Prior art keywords
- conducting strip
- diode
- terminal box
- diodes
- heat
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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.)
- 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 discloses a terminal box used for solar photovoltaic generation, which comprises a bottom box (1), an upper cover (2), a plurality of diodes (3), a conductive piece (4), a heat-dissipating device for diodes (5) and also comprises a module box (6) used for installing the diodes (3) and the conductive piece (4), wherein the conductive piece (4) is installed in the module box (6), the diodes (3) are welded on the conductive piece (4), pouring sealant is arranged in the module box (6) which is internally provided with the diodes (3) and the conductive piece (4), the heat-dissipating device for diodes (5) is fixed on the upper surface of the module box (6), and the lower surface of the heat-dissipating device for diodes (5) is appressed to the upper surface of the pouring sealant. With the adoption of the terminal box, the heat emitted by the diodes can be diffused to the whole module box through the pouring sealant, is transferred to the heat-dissipating device for diodes and is released to the external by the diode heat dissipating device, so that the heat-dissipating range is large, and heat dissipation can be efficiently and timely carried out on the diodes.
Description
Technical field:
The utility model relates to field of solar thermal power generation, specifically is a kind of terminal box that is used for solar energy power generating.
Background technology:
Solar power generation is divided into photo-thermal power generation and photovoltaic generation, and solar energy power generating is to utilize the photovoltaic effect of interface and a kind of technology of luminous energy directly being changed into electric energy.The key element of this technology is a solar cell.Solar cell can form large-area solar module through carrying out packaging protection after connecting, and terminal box generally is installed in the back of solar module.The terminal box of prior art is a kind of transition apparatus that solar panel lead-in wire and external lead wire are coupled together, and its inside generally is provided with a plurality of bypass diodes, and described bypass diode is used to prevent that reverse charging from damaging battery.In the solar energy power generating process, the electric current that flows through the bypass diode in the terminal box is bigger, can make the bypass diode heating, the heat radiation of bypass diode is to rely on the heat dissipation metal plate that covers on the bypass diode outside to realize in the prior art, but the heat radiation scope of this radiator structure is little, can not timely and effectively heat be left, influence the serviceability of bypass diode.
As the disclosed application number of State Intellectual Property Office is the utility model patent " quick connector " of " 200720107421.X ", it comprises box body, lid, junction block, the metal connecting piece group, the wiring joint, wherein on box plate, set gradually and be distributed with junction block, the metal connecting piece group of using for connecting is arranged on the junction block, box body and lid are involutory to be formed by connecting, the box body side is distributed with the wiring joint that inserts for connection plug, it is characterized in that being provided with heat radiating metal spare in the described junction block surrounding space, heat radiating metal spare contacts with the terminal pin or the metal connecting piece group of diode respectively by connecting portion, is shaped on the wiring perforate on heat radiating metal spare surface; Described heat radiating metal spare adopts the cover structure.In the above-mentioned utility model patent, the heat radiation of diode is that the heat radiating metal spare of cover structure is finished, and it is little that this radiator structure is not still broken away from the heat radiation scope, can not be timely and effectively the heat of diode be left.
The utility model content:
The technical problems to be solved in the utility model is, provide a kind of scope of dispelling the heat big, can the timely and effective terminal box that is used for solar energy power generating that the diode heat is left.
Technical solution of the present utility model is, a kind of terminal box that is used for solar energy power generating of following structure is provided, comprise end box, loam cake, a plurality of diode, conducting strip and diode heat radiating device, described terminal box also comprises the modular cartridge that is used to install diode and conducting strip, described conducting strip is installed in the modular cartridge, and described diode is welded on the conducting strip; Be provided with casting glue in the modular cartridge that diode and conducting strip are housed, described diode heat radiating device is fixed on the upper surface of modular cartridge, and the lower surface of diode heat radiating device is close to the upper surface of casting glue.
Adopt after the above structure compared with prior art, the utlity model has following advantage: adopt the utility model structure, owing to increased modular cartridge, and in modular cartridge, being perfused with casting glue, diode institute liberated heat can diffuse to whole modular cartridge through casting glue, and with the heat transferred diode heat radiating device, be discharged into the external world through diode heat radiating device, the heat radiation scope is very big, makes the temperature of diode be unlikely to too high, can be effectively in time to diode radiating.
As improvement, described modular cartridge is provided with a plurality of cable clamping interfaces, and described conducting strip is an integral body, conducting strip is provided with conductive contact, and described conductive contact snaps in the cable clamping interface, like this, conductive contact on the conducting strip can snap in cable clamping interface, has guaranteed that conducting strip is installed in the modular cartridge smoothly.
As improvement, the line ball piece of threaded through hole is installed in the described cable clamping interface, be combined with screw in the described tapped through hole, like this, bolt is screwed in the line ball piece, and withstand conductive contact, can prevent effectively that conductive contact from skew taking place and the conduction condition of poor of generation.
As improvement, be provided with the contact draw-in groove near conducting strip one side on the described power connecting sheet, described conducting strip places the contact draw-in groove near the conductive contact of power connecting sheet one side, like this, realize being connected of power connecting sheet and conducting strip by said structure, make the two easy to connect, reliable, good conductivity.
Description of drawings:
Fig. 1 is the explosive view that is used for the terminal box of solar energy power generating of the present utility model.
Fig. 2 is the structural representation that is used for the terminal box of solar energy power generating of the present utility model.
Fig. 3 is the cutaway view of A-A among Fig. 2.
Shown in the figure: 1, end box, 2, loam cake, 3, diode, 4, conducting strip, 5, diode heat radiating device, 6, modular cartridge, 7, cable clamping interface, 8, water proof ring, 9, card cover, 10, triangular spring, 11, power connecting sheet, 12, the line ball piece, 13, waterproof washer, 14, the card line gaily decorated basket, 15, nut, 16, casting glue, 17, conductive contact, 18, screw, 19, the contact draw-in groove.
Embodiment:
The utility model is described in further detail below in conjunction with the drawings and specific embodiments:
As shown in Figure 1, 2, the terminal box that is used for solar energy power generating of the present utility model, comprise end box 1, loam cake 2, a plurality of diode 3, conducting strip 4 and diode heat radiating device 5, described terminal box also comprises the modular cartridge 6 that is used to install diode 3 and conducting strip 4, described conducting strip 4 is installed in the modular cartridge 6, and described diode 3 is welded on the conducting strip 4; Be provided with casting glue in the modular cartridge 6 that diode 3 and conducting strip 4 are housed, described diode heat radiating device 5 is fixed on the upper surface of modular cartridge 6, and the lower surface of diode heat radiating device 5 is close to the upper surface of casting glue; Described casting glue is a heat conductive silica gel, and the heat diffusion that can rapidly diode be come out has not only reduced the temperature of diode rapidly to the casting glue of whole modular cartridge, and has increased the heat radiation scope greatly.
Described modular cartridge 6 is box bodys that do not have top cover, and at least two diagonal angles of modular cartridge 6 are provided with for the installing hole that is connected with diode heat radiating device; Described diode is the chip diode of three series connection; Two turnover connection jaws of described terminal box are equipped with the wiring joint, described wiring joint comprises waterproof washer, the card line gaily decorated basket and nut composition, the described card line gaily decorated basket is the circle that has a plurality of card line pawls, between a plurality of card line pawls certain clearance is arranged, and axially evenly arranges along circumference.
Described modular cartridge 6 is provided with a plurality of cable clamping interfaces 7, and described conducting strip 4 is an integral body, and conducting strip 4 is provided with conductive contact 17, and described conductive contact 17 snaps in the cable clamping interface 7; Described conducting strip 4 is provided with six conductive contacts, wherein four near power connecting sheet 11 sides, and are electrically connected two other close wiring joint one side with power connecting sheet 11, described cable clamping interface also is six, wherein near in the cable clamping interface of wiring joint one side the line ball piece is housed.
The line ball piece 12 of threaded through hole is installed in the described cable clamping interface 7, is combined with screw 18 in the described tapped through hole.
Described diode heat radiating device 5 is a fin, at least be provided with two installing holes on the described fin, described installing hole is arranged on the place, diagonal angle of fin, and pass installing hole on the fin through screw, and penetrate corresponding installing hole on the modular cartridge, fin and modular cartridge are fixed together.
Be provided with contact draw-in groove 19 near conducting strip 4 one sides on the described power connecting sheet 11, described conducting strip 4 places contact draw-in groove 19 near the conductive contact 17 of power connecting sheet 11 1 sides; Described contact draw-in groove 19 is that the sheet metal of both sides, power connecting sheet end is upwards inside, crooked then outwards and the groove that forms can be positioned at contact draw-in groove 19 certain altitude by said structure, like this can be as required, regulate the position that contact draw-in groove 19 forms, cooperate with convenient and conducting strip.
For the ease of observing, loam cake does not show in Fig. 2 among Fig. 2.
Below only be described, but can not be interpreted as it is restriction claim with regard to the utility model preferred embodiment.The utility model not only is confined to above embodiment, and its concrete structure allows variation, and in a word, all various variations of being done in the protection range of the utility model independent claims are all in protection range of the present utility model.
Claims (4)
1. terminal box that is used for solar energy power generating, comprise end box (1), loam cake (2), a plurality of diode (3), conducting strip (4) and diode heat radiating device (5), it is characterized in that: described terminal box also comprises the modular cartridge (6) that is used to install diode (3) and conducting strip (4), described conducting strip (4) is installed in the modular cartridge (6), and described diode (3) is welded on the conducting strip (4); Be provided with casting glue in the modular cartridge (6) that diode (3) and conducting strip (4) are housed, described diode heat radiating device (5) is fixed on the upper surface of modular cartridge (6), and the lower surface of diode heat radiating device (5) is close to the upper surface of casting glue.
2. the terminal box that is used for solar energy power generating according to claim 1, it is characterized in that: described modular cartridge (6) is provided with a plurality of cable clamping interfaces (7), described conducting strip (4) is an integral body, conducting strip (4) is provided with conductive contact (17), and described conductive contact (17) snaps in the cable clamping interface (7).
3. the terminal box that is used for solar energy power generating according to claim 1 is characterized in that: the line ball piece (12) of threaded through hole is installed in the described cable clamping interface (7), is combined with screw (18) in the described tapped through hole.
4. the terminal box that is used for solar energy power generating according to claim 1, it is characterized in that: described power connecting sheet (11) is gone up near conducting strip (4) one sides and is provided with contact draw-in groove (19), and described conducting strip (4) places contact draw-in groove (19) near the conductive contact (17) of power connecting sheet (11) one sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200321254U CN201928203U (en) | 2011-01-25 | 2011-01-25 | Terminal box used for solar photovoltaic generation |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200321254U CN201928203U (en) | 2011-01-25 | 2011-01-25 | Terminal box used for solar photovoltaic generation |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201928203U true CN201928203U (en) | 2011-08-10 |
Family
ID=44432038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200321254U Expired - Fee Related CN201928203U (en) | 2011-01-25 | 2011-01-25 | Terminal box used for solar photovoltaic generation |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201928203U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633931A (en) * | 2012-12-05 | 2014-03-12 | 江西晶科光伏材料有限公司 | Conjunction box for photovoltaic assembly |
| CN105281659A (en) * | 2015-03-12 | 2016-01-27 | 常州天合光能有限公司 | Heat dissipating type smart junction box |
| CN108282150A (en) * | 2018-03-26 | 2018-07-13 | 江苏富沃德电子科技有限公司 | Photovoltaic junction box |
| CN108377133A (en) * | 2018-03-08 | 2018-08-07 | 张士永 | A kind of photovoltaic junction box of high heat dispersion |
| CN120710455A (en) * | 2025-08-13 | 2025-09-26 | 广东金源宇电线电缆有限公司 | Photovoltaic junction box for photovoltaic power generation system |
-
2011
- 2011-01-25 CN CN2011200321254U patent/CN201928203U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103633931A (en) * | 2012-12-05 | 2014-03-12 | 江西晶科光伏材料有限公司 | Conjunction box for photovoltaic assembly |
| CN105281659A (en) * | 2015-03-12 | 2016-01-27 | 常州天合光能有限公司 | Heat dissipating type smart junction box |
| CN108377133A (en) * | 2018-03-08 | 2018-08-07 | 张士永 | A kind of photovoltaic junction box of high heat dispersion |
| CN108282150A (en) * | 2018-03-26 | 2018-07-13 | 江苏富沃德电子科技有限公司 | Photovoltaic junction box |
| CN120710455A (en) * | 2025-08-13 | 2025-09-26 | 广东金源宇电线电缆有限公司 | Photovoltaic junction box for photovoltaic power generation system |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110810 Termination date: 20120125 |