CN202004001U - Integrated diode for photovoltaic system - Google Patents
Integrated diode for photovoltaic system Download PDFInfo
- Publication number
- CN202004001U CN202004001U CN2011200713918U CN201120071391U CN202004001U CN 202004001 U CN202004001 U CN 202004001U CN 2011200713918 U CN2011200713918 U CN 2011200713918U CN 201120071391 U CN201120071391 U CN 201120071391U CN 202004001 U CN202004001 U CN 202004001U
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- China
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- terminal
- photovoltaic system
- terminals
- integrated form
- diode
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Abstract
The utility model discloses an integrated diode for a photovoltaic system, which comprises a body. Diodes are packed inside the body, a tin bath which is connected with a flow guiding welding strip of a photovoltaic component is disposed at the front end of the body, output terminals are arranged at the rear end of the body and electrically connected with each other by one or a plurality of diodes, each output terminal consists of a left terminal and a right terminal which are respectively connected with output cables, and intermediate terminals which can improve radiating effect of the diodes are disposed among the left terminals and the right terminals. By means of changing structures of the terminals, radiating effect and electric conductivity of the diodes are effectively improved, U-shaped grooves of the terminals bring convenience for access of the cables, the integrated diode is mounted conveniently, and the integrated structure of the integrated diode is also favorable for reducing cost.
Description
Technical field
The utility model relates to technical field of electronic components, especially a kind of integrated form diode that is used for photovoltaic system.
Background technology
At present, on the market the used diode of photovoltaic system mainly be encapsulated as DO-201, R-6, TO-263, forms such as TO-220, the following defective of encapsulating structure ubiquity of this form: at first the diode pin is not only long but also thin, not only influences electrical efficiency but also influence heat conductivility; Next connects the junction block complex structural designs of diode, the cost height, poor stability is installed, and contact resistance is relatively large, cause the electric energy transmitting process among loss big, the integral heat sink effect of diode is not good yet in addition.
The utility model content
The technical problems to be solved in the utility model is: overcome the deficiency in the prior art, a kind of perfect heat-dissipating, conductance height are provided, simple, cost photovoltaic system integrated form diode low, reliable operation are installed.
The technical scheme that its technical problem that solves the utility model adopts is: a kind of photovoltaic system integrated form diode, comprise body, be packaged with diode in the body, the body front end is provided with the molten tin bath that is connected with photovoltaic module water conservancy diversion welding, the body rear end is provided with lead-out terminal, electrically connect by one or more diodes between the lead-out terminal, described lead-out terminal comprises left terminal and the right terminal that is connected with the output cable respectively, is provided with the intermediate terminal that can improve the diode radiating effect between left terminal and the right terminal.
Described left terminal, right terminal and intermediate terminal are U type structure, and wherein left terminal and right terminal also have the U type groove of using for the welding cable respectively, and intermediate terminal quantity is two; Between described left terminal and the intermediate terminal, between two intermediate terminals and the back gauge between intermediate terminal and the right terminal be not less than 3mm.
Described molten tin bath quantity is four, has the soldering-tin layer of being convenient to the later stage convenient welding on the molten tin bath.
Described bulk material is an epoxy resin, and the body left and right sides has the buckling surface that usefulness is installed.
The beneficial effects of the utility model are: the utility model has improved the radiating effect and the conductance of diode effectively by the change of terminal structure, and the U type groove that terminal has is convenient to the access of cable, and is easy for installation, and the structure of integrated form also helps reducing cost.
Description of drawings
Below in conjunction with drawings and embodiments the utility model is further specified.
Fig. 1 is a structural representation of the present utility model.
1. bodies, 11. buckling surfaces, 2. molten tin baths, 3. left terminal 31.U type grooves, 4. right terminal 41.U type grooves, 5. intermediate terminals among the figure
Embodiment
In conjunction with the accompanying drawings the utility model is further described now.The schematic diagram that these accompanying drawings are simplification only illustrates basic structure of the present utility model in a schematic way, so it only shows the formation relevant with the utility model.
A kind of photovoltaic system integrated form diode as shown in Figure 1, comprise that material is the body 1 of epoxy resin, body 1 is shaped as cuboid, body 1 left and right sides has the buckling surface 11 that usefulness is installed, be packaged with diode in the body 1, body 1 front end is provided with the molten tin bath 2 that is connected with photovoltaic module water conservancy diversion welding, molten tin bath 2 quantity are four, has the soldering-tin layer of being convenient to the later stage convenient welding on the molten tin bath 2, body 1 rear end is provided with lead-out terminal, diode by one or more Schottky types between the lead-out terminal electrically connects, described lead-out terminal comprises left terminal 3 and right terminal 4, be provided with two intermediate terminals 5 between left terminal 3 and the right terminal 4, left terminal 3, right terminal 4 and intermediate terminal 5 all adopt oxygenless copper material to make, in left terminal 3, the surface of right terminal 4 and intermediate terminal 5 all has the coating that material is a Pb-free solder, and the sealing thickness around them is 5mm, wherein left terminal 3 is connected with the output cable respectively with right terminal 4, and two intermediate terminals 5 are used for strengthening the radiating effect of diode.
For strengthening radiating effect better, left terminal 3, right terminal 4 and intermediate terminal 5 are U type structure, to increase area of dissipation, wherein left terminal 3 and right terminal 4 also have the U type groove of using for the welding cable 31,41 respectively, for preventing owing to distance closely produces the spark that shocks by electricity, between described left terminal 3 and the intermediate terminal 5, between two intermediate terminals 5 and the back gauge between intermediate terminal 5 and the right terminal 4 be 5mm.
The utility model adopts the terminal of U type structure, has both increased area of dissipation, improves radiating effect and conductance, and the welding when also being convenient to the cable access is simplified and made, and reduces production costs.
Above-mentioned execution mode only is explanation technical conceive of the present utility model and characteristics; its purpose is to allow the personage that is familiar with this technology can understand content of the present utility model and is implemented; can not limit protection range of the present utility model with this; all equivalences of being done according to the utility model spirit change or modify, and all should be encompassed in the protection range of the present utility model.
Claims (5)
1. photovoltaic system integrated form diode, comprise body (1), body is packaged with diode in (1), it is characterized in that: body (1) front end is provided with the molten tin bath (2) that is connected with photovoltaic module water conservancy diversion welding, body (1) rear end is provided with lead-out terminal, electrically connect by one or more diodes between the lead-out terminal, described lead-out terminal comprises left terminal (3) and the right terminal (4) that is connected with the output cable respectively, is provided with the intermediate terminal (5) that can improve the diode radiating effect between left terminal (3) and the right terminal (4).
2. photovoltaic system integrated form diode according to claim 1, it is characterized in that: described left terminal (3), right terminal (4) and intermediate terminal (5) are U type structure, wherein left terminal (3) and right terminal (4) also have the U type groove of using for the welding cable (31,41) respectively, and intermediate terminal (5) quantity is two.
3. photovoltaic system integrated form diode according to claim 2 is characterized in that: between described left terminal (3) and the intermediate terminal (5), between two intermediate terminals (5) and the back gauge between intermediate terminal (5) and the right terminal (4) be not less than 3mm.
4. photovoltaic system integrated form diode according to claim 1 is characterized in that: described molten tin bath (2) quantity is four, and molten tin bath has the soldering-tin layer of being convenient to the later stage convenient welding on (2).
5. photovoltaic system integrated form diode according to claim 1 is characterized in that: described body (1) material is an epoxy resin, and body (1) left and right sides has the buckling surface (11) that usefulness is installed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713918U CN202004001U (en) | 2011-03-18 | 2011-03-18 | Integrated diode for photovoltaic system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011200713918U CN202004001U (en) | 2011-03-18 | 2011-03-18 | Integrated diode for photovoltaic system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202004001U true CN202004001U (en) | 2011-10-05 |
Family
ID=44706728
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011200713918U Expired - Fee Related CN202004001U (en) | 2011-03-18 | 2011-03-18 | Integrated diode for photovoltaic system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202004001U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017117737A1 (en) * | 2016-01-06 | 2017-07-13 | 莱尼电气线缆（中国）有限公司 | Solar junction box |
-
2011
- 2011-03-18 CN CN2011200713918U patent/CN202004001U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017117737A1 (en) * | 2016-01-06 | 2017-07-13 | 莱尼电气线缆（中国）有限公司 | Solar junction box |
| US10355638B2 (en) | 2016-01-06 | 2019-07-16 | LEONI Cable (China) Co., Ltd. | Solar junction box |
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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: 20111005 Termination date: 20140318 |