CN219351673U - Riveting type three-split photovoltaic junction box - Google Patents
Riveting type three-split photovoltaic junction box Download PDFInfo
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- CN219351673U CN219351673U CN202320233082.9U CN202320233082U CN219351673U CN 219351673 U CN219351673 U CN 219351673U CN 202320233082 U CN202320233082 U CN 202320233082U CN 219351673 U CN219351673 U CN 219351673U
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- riveted
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- 238000004806 packaging method and process Methods 0.000 claims abstract description 21
- 230000017525 heat dissipation Effects 0.000 claims description 10
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 208000037280 Trisomy Diseases 0.000 claims 1
- 238000000034 method Methods 0.000 claims 1
- 238000003466 welding Methods 0.000 abstract description 13
- 230000007547 defect Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 210000003205 muscle Anatomy 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 230000000712 assembly Effects 0.000 description 1
- 238000000429 assembly Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002146 bilateral effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
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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 provides a riveted three-split photovoltaic junction box, which comprises an anode junction box, a middle junction box and a cathode junction box, wherein the anode junction box, the middle junction box and the cathode junction box all comprise a box body and a photovoltaic assembly; the photovoltaic module comprises a first conductive terminal, a second conductive terminal and a packaging diode, wherein the packaging diode is arranged between the first conductive terminal and the second conductive terminal; the first conductive terminal and the second conductive terminal are respectively bent upwards to form a riveting plate at one end close to the packaging diode, a supporting part is arranged at the bottom of the riveting plate, and a plurality of supporting tables for supporting the riveting plates are arranged at the supporting part along the linear direction at intervals; a first perforation for the external bus tape to pass through is formed between the riveting plate and the packaging diode; the photovoltaic junction box overcomes the defects of cold joint, high cost and slower processing speed caused by the adoption of a welding mode in the existing photovoltaic junction box.
Description
Technical Field
The utility model relates to the field of junction boxes, in particular to a riveted three-split photovoltaic junction box.
Background
The solar photovoltaic junction box is a connector between a solar cell matrix formed by the solar cell modules and the solar cell charging control device, and mainly aims to connect and protect the solar cell modules, so that the electric power generated by the solar cells is connected with an external circuit, and the electric energy generated by the solar cell modules is led out through a cable. The photovoltaic junction box and the wiring system form a sealed space, the photovoltaic junction box provides protection for the wires and the connection thereof against environmental influences, provides protection for the live parts against contact, and slows down the tension for the wiring system connected therewith.
The solar photovoltaic junction box is in a two-split type and a three-split type, and the photovoltaic assemblies of the two are approximately the same in structure; as disclosed in the grant publication number CN218387429U, the other ends of the first metal sheet and the second metal sheet are bent to form first wiring boards, each first wiring board is used for connecting an external bus-tie, each first wiring board is provided with a first through hole, one side of each first through hole is concavely provided with a first welding groove, so that the welding area of the bus-tie is ensured, and the welding is firm; the existing bus strips are connected in a welding mode, the phenomenon of virtual welding is easy to occur, the using effect is affected, and the welding mode is high in cost and low in processing speed.
Disclosure of Invention
First, the technical problem to be solved
The utility model aims to solve the problem of providing a riveted three-split photovoltaic junction box so as to overcome the defects of cold joint, high cost and slower processing speed caused by adopting a welding mode in the existing photovoltaic junction box.
(II) technical scheme
In order to solve the technical problems, the utility model provides a riveted three-split photovoltaic junction box, which comprises an anode junction box, a middle junction box and a cathode junction box, wherein the anode junction box, the middle junction box and the cathode junction box all comprise a box body and a photovoltaic module arranged in the box body;
the photovoltaic module comprises a first conductive terminal, a second conductive terminal and a packaging diode, wherein the packaging diode is arranged between the first conductive terminal and the second conductive terminal; the first conductive terminal and the second conductive terminal are bent upwards to form a riveting plate at one end, close to the packaging diode, of the packaging diode, a supporting part is arranged at the bottom of the riveting plate, and a plurality of supporting tables for supporting the riveting plate are arranged at the supporting part at intervals along the linear direction; and a first perforation for the external bus strap to pass through is formed between the riveting plate and the packaging diode, and the end part of the bus strap passes through the first perforation and is fixedly riveted with the riveting plate during wiring.
Further, the first conductive terminal and one end of the second conductive terminal, which is far away from the packaging diode, are provided with limiting plates, positioning holes are symmetrically formed in the limiting plates, and positioning columns matched with the positioning holes are arranged on the box body. And a hollow hole is formed between the limiting plate and the riveting plate, and a plurality of heat dissipation holes are formed at the bottom of the box body at positions corresponding to the hollow holes.
Further, second through holes corresponding to the first through holes are symmetrically formed in the bottom of the box body, and the end portions of the converging strips sequentially penetrate through the second through holes and the first through holes during wiring and then are riveted and fixed with the riveting plates. The inside wall slope of second perforation is provided with the guiding part, the guiding part is used for guiding the busbar gets into in the second perforation.
Further, the upper cover is detachably arranged on the upper portion of the box body, protruding ribs are arranged on the inner wall of the upper cover and abut against the box body, a heat dissipation channel is formed between the box body and the upper cover at intervals, and air guide openings communicated with the heat dissipation channel are symmetrically formed on two sides of the upper cover.
The two sides of the box body are symmetrically provided with buckles, and the upper cover is provided with clamping grooves which can be buckled with the buckles.
Further, the positive terminal box with the one end of negative terminal box all is provided with cable conductor fixed part, install the line ball buckle on the cable conductor fixed part.
Further, the first conductive terminal and the second conductive terminal are both copper sheet structures, and the positive terminal box and the negative terminal box are identical in structure.
(III) beneficial effects
According to the riveted three-split photovoltaic junction box, one ends of the first conductive terminal and the second conductive terminal, which are close to the packaging diode, are bent upwards to form the riveting plate, when the busbar is connected, the end part of the busbar sequentially passes through the second perforation and the first perforation and then is riveted and fixed with the riveting plate, the traditional welding mode is replaced by the riveting mode, the occurrence of false welding is avoided, the connection is more stable, and the use effect is better; welding raw materials are saved, and cost is reduced; the connection and the processing are more convenient, the assembly is convenient, and the processing efficiency is improved; the defects of cold joint, high cost and slower processing speed caused by the adoption of a welding mode of the existing photovoltaic junction box are overcome.
Drawings
FIG. 1 is a perspective view of a riveted three-piece photovoltaic junction box of the present utility model;
FIG. 2 is a perspective view of the bottom view of a riveted three-part photovoltaic junction box according to the present utility model;
FIG. 3 is an exploded view of a riveted three-piece photovoltaic junction box according to the present utility model;
FIG. 4 is a perspective view of a riveted three-piece photovoltaic junction box body and photovoltaic module connection according to the present utility model;
FIG. 5 is a schematic structural view of a riveted three-part photovoltaic junction box body and photovoltaic module connection according to the present utility model;
FIG. 6 is a perspective view of a riveted three-piece photovoltaic junction box photovoltaic module of the present utility model;
FIG. 7 is a perspective view of a riveted three-piece photovoltaic junction box body according to the present utility model;
FIG. 8 is a perspective view of the bottom view of a riveted three-part photovoltaic junction box body according to the present utility model;
FIG. 9 is a perspective view of the inside of the upper cover of a riveted three-part photovoltaic junction box according to the present utility model;
the corresponding component names for each reference number in the figures are: 1. a positive terminal box; 2. a middle junction box; 3. a negative electrode junction box; 4. a case body; 41. a support part; 42. a support table; 43. positioning columns; 44. a heat radiation hole; 45. a second perforation; 46. a guide part; 47. a buckle; 5. a photovoltaic module; 51. a first conductive terminal; 52. a second conductive terminal; 53. encapsulating the diode; 54. riveting plates; 55. a first perforation; 56. a limiting plate; 57. positioning holes; 58. a hollowed hole; 6. an upper cover; 61. convex ribs; 62. an air guide port; 63. a clamping groove; 7. a cable fixing part; 8. and the line pressing buckle.
Detailed Description
The following describes in further detail the embodiments of the present utility model with reference to the drawings and examples. The following examples are illustrative of the utility model and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 9, the utility model provides a riveted three-split photovoltaic junction box, which comprises a positive junction box 1, a middle junction box 2 and a negative junction box 3, wherein the positive junction box 1, the middle junction box 2 and the negative junction box 3 all comprise a box body 4 and a photovoltaic module 5 arranged in the box body 4. The structure of the positive terminal box 1 is the same as that of the negative terminal box 3, one ends of the positive terminal box 1 and the negative terminal box 3 are provided with cable fixing parts 7, the cable fixing parts 7 are provided with cable pressing buckles 8, and external cables penetrate through the cable fixing parts 7 and are electrically connected with the corresponding photovoltaic modules 5.
Referring to fig. 4 to 6, the photovoltaic module 5 includes a first conductive terminal 51, a second conductive terminal 52, and a packaging diode 53, wherein the packaging diode 53 is disposed between the first conductive terminal 51 and the second conductive terminal 52, and the first conductive terminal 51 and the second conductive terminal 52 are both copper sheet structures. The first conductive terminal 51 and the second conductive terminal 52 are bent upwards to form a riveting plate 54 near one end of the packaging diode 53, the box body 4 is provided with a supporting portion 41 at the bottom of the riveting plate 54, a plurality of supporting tables 42 for supporting the riveting plate 54 are arranged at the supporting portion 41 along the linear direction at intervals, and the supporting tables 42 are propped against and supported at the bottom of the riveting plate 54, so that stability is good. A first through hole 55 for the external bus tape to pass through is formed between the rivet plate 54 and the package diode 53, and an end of the bus tape is fixed by riveting to the rivet plate 54 after passing through the first through hole 55 during wiring.
Referring to fig. 4 to 6, the end of the first conductive terminal 51 and the second conductive terminal 52 far away from the packaging diode 53 is provided with a limiting plate 56, the limiting plate 56 is symmetrically provided with a positioning hole 57, the box body 4 is provided with a positioning column 43 matched with the positioning hole 57, and the photovoltaic module 5 is positioned and installed in a matched manner through the positioning column 43 and the positioning hole 57, so that the installation is convenient. A hollow hole 58 is formed between the limiting plate 56 and the riveting plate 54, and a plurality of heat dissipation holes 44 are formed in the bottom of the box body 4 at positions corresponding to the hollow holes 58, so that the heat dissipation performance is improved, and the service life is prolonged.
Referring to fig. 4, 5 and 8, the bottom of the box body 4 is symmetrically provided with a second through hole 45 corresponding to the first through hole 55, and the end of the converging strip passes through the second through hole 45 and the first through hole 55 in sequence and then is riveted and fixed with the riveting plate 54 during wiring. The inside wall of the second through hole 45 is obliquely provided with a guiding part 46, and the guiding part 46 is used for guiding the converging belt into the second through hole 45, so that connection is facilitated.
Referring to fig. 3 and 9, the upper part of the box body 4 is detachably provided with an upper cover 6, two sides of the box body 4 are symmetrically provided with buckles 47, and the upper cover 6 is provided with clamping grooves 63 which can be buckled with the buckles 47, so that the disassembly and the assembly are convenient. The inner wall of upper cover 6 is equipped with protruding muscle 61, and protruding muscle 61 supports to lean on box body 4 makes the interval between box body 4 and the upper cover 6 be formed with the heat dissipation passageway, and the bilateral symmetry of upper cover 6 is provided with the wind guide 62 with the heat dissipation passageway intercommunication, is favorable to improving the heat dispersion.
According to the riveting type three-split photovoltaic junction box provided by the embodiment, one ends of the first conductive terminal and the second conductive terminal, which are close to the packaging diode, are upwards bent to form the riveting plate, when the busbar is connected, the end part of the busbar sequentially passes through the second perforation and the first perforation and then is riveted and fixed with the riveting plate, the traditional welding mode is replaced by the riveting mode, the occurrence of cold joint is avoided, the connection is more stable, and the use effect is better; welding raw materials are saved, and cost is reduced; the connection and the processing are more convenient, the assembly is convenient, and the processing efficiency is improved.
The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.
Claims (9)
1. The utility model provides a riveting type trisomy photovoltaic terminal box, includes positive terminal box (1), well terminal box (2) and negative terminal box (3), positive terminal box (1), well terminal box (2) and negative terminal box (3) all include box body (4) and install photovoltaic module (5) in box body (4);
the method is characterized in that: the photovoltaic module (5) comprises a first conductive terminal (51), a second conductive terminal (52) and a packaging diode (53), wherein the packaging diode (53) is arranged between the first conductive terminal (51) and the second conductive terminal (52); the first conductive terminal (51) and the second conductive terminal (52) are bent upwards at one end close to the packaging diode (53) to form a riveting plate (54), a supporting part (41) is arranged at the bottom of the riveting plate (54) of the box body (4), and a plurality of supporting tables (42) for supporting the riveting plate (54) are arranged at the supporting part (41) along the straight line direction at intervals; a first through hole (55) used for an external bus strap to pass through is formed between the riveting plate (54) and the packaging diode (53), and the end part of the bus strap passes through the first through hole (55) and is fixedly riveted with the riveting plate (54) in wiring.
2. The riveted three-part photovoltaic junction box of claim 1, wherein: the first conductive terminal (51) and the second conductive terminal (52) are respectively provided with a limiting plate (56) at one end far away from the packaging diode (53), positioning holes (57) are symmetrically formed in the limiting plates (56), and positioning columns (43) matched with the positioning holes (57) are arranged on the box body (4).
3. The riveted three-part photovoltaic junction box of claim 2, wherein: a hollowed-out hole (58) is formed between the limiting plate (56) and the riveting plate (54), and a plurality of heat dissipation holes (44) are formed in the bottom of the box body (4) at positions corresponding to the hollowed-out hole (58).
4. The riveted three-part photovoltaic junction box of claim 1, wherein: the bottom of the box body (4) is symmetrically provided with second through holes (45) corresponding to the first through holes (55), and the end parts of the converging belts sequentially penetrate through the second through holes (45) and the first through holes (55) and then are riveted and fixed with the riveting plates (54) during wiring.
5. The riveted three-part photovoltaic junction box of claim 4, wherein: the inner side wall of the second through hole (45) is obliquely provided with a guide part (46), and the guide part (46) is used for guiding the bus belt to enter the second through hole (45).
6. The riveted three-part photovoltaic junction box of claim 1, wherein: the upper cover (6) is detachably arranged on the upper portion of the box body (4), protruding ribs (61) are arranged on the inner wall of the upper cover (6), the protruding ribs (61) are abutted to the box body (4) to enable a heat dissipation channel to be formed between the box body (4) and the upper cover (6) at intervals, and air guide openings (62) communicated with the heat dissipation channel are symmetrically formed in two sides of the upper cover (6).
7. The riveted three-part photovoltaic junction box of claim 6, wherein: the two sides of the box body (4) are symmetrically provided with buckles (47), and the upper cover (6) is provided with clamping grooves (63) which can be buckled with the buckles (47).
8. The riveted three-part photovoltaic junction box of claim 1, wherein: the positive terminal box (1) with the one end of negative terminal box (3) all is provided with cable fixing portion (7), install line ball buckle (8) on cable fixing portion (7).
9. The riveted three-part photovoltaic junction box of claim 1, wherein: the first conductive terminal (51) and the second conductive terminal (52) are of copper sheet structures, and the positive electrode junction box (1) and the negative electrode junction box (3) are identical in structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233082.9U CN219351673U (en) | 2023-02-16 | 2023-02-16 | Riveting type three-split photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320233082.9U CN219351673U (en) | 2023-02-16 | 2023-02-16 | Riveting type three-split photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219351673U true CN219351673U (en) | 2023-07-14 |
Family
ID=87110168
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320233082.9U Active CN219351673U (en) | 2023-02-16 | 2023-02-16 | Riveting type three-split photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219351673U (en) |
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2023
- 2023-02-16 CN CN202320233082.9U patent/CN219351673U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 315400 No. 112, Tangnan East, Lucheng village, Ditang street, Yuyao City, Ningbo City, Zhejiang Province Patentee after: Zhejiang Minghe New Energy Technology Co.,Ltd. Country or region after: China Address before: 315400 No. 112, Tangnan East, Lucheng village, Ditang street, Yuyao City, Ningbo City, Zhejiang Province Patentee before: NINGBO MINGHE NEW ENERGY TECHNOLOGY Co.,Ltd. Country or region before: China |