CN218387429U - Bipartite formula photovoltaic terminal box - Google Patents
Bipartite formula photovoltaic terminal box Download PDFInfo
- Publication number
- CN218387429U CN218387429U CN202222594502.4U CN202222594502U CN218387429U CN 218387429 U CN218387429 U CN 218387429U CN 202222594502 U CN202222594502 U CN 202222594502U CN 218387429 U CN218387429 U CN 218387429U
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- metal sheet
- box body
- wiring board
- box
- hole
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- 239000002184 metal Substances 0.000 claims abstract description 66
- 229910052751 metal Inorganic materials 0.000 claims abstract description 66
- 238000003466 welding Methods 0.000 claims abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 8
- 238000009434 installation Methods 0.000 description 9
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 239000012212 insulator Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000017525 heat dissipation 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 bipartite photovoltaic junction box, which comprises a first box body and a second box body, wherein a first metal sheet and a second metal sheet are arranged at intervals in the first box body, one ends of the first metal sheet and the second metal sheet are electrically connected through a diode, and the other ends of the first metal sheet and the second metal sheet are both bent to form a first wiring board; each first wiring board is provided with a first through hole, and a first welding groove is formed in the inner concave of one side of each first through hole; a third metal sheet is arranged in the second box body; second wiring boards are symmetrically arranged at one end of the third metal sheet at intervals, each second wiring board is provided with a second through hole, and one side of each second through hole is provided with a second concave welding groove; the junction box redesigns the existing metal sheet structure, has a simpler overall structure, and saves the manufacturing cost of the junction box.
Description
Technical Field
The utility model relates to a photovoltaic terminal box field especially relates to a bipartite formula photovoltaic terminal box.
Background
The solar photovoltaic junction box is a connector between a solar cell array formed by solar cell modules and a solar cell charging control device, and is mainly used for connecting and protecting the solar photovoltaic modules, so that electric power generated by the solar cells is connected with an external circuit, and electric energy generated by the solar cell modules is led out through cables. The photovoltaic junction box and the wiring system form a sealed space, the photovoltaic junction box provides protection against environmental influences for the wires and the connection of the wires, provides protection of contactability for charged parts, and reduces tension for the wiring system connected with the wires.
The photovoltaic junction box is in a two-split type, a three-split type and the like, for example, a patent number CN217159646U discloses a two-split type photovoltaic module which comprises a conducting strip group provided with a plurality of confluence strip mounting grooves, wherein the conducting strip group comprises a conducting strip I, a conducting strip II and a conducting strip III which are respectively and electrically connected with the conducting strip I through a PN junction chip and a jumper wire, insulators wrap the PN junction chip and the jumper wire, and at least part of the insulators are overlapped with the conducting strip I, the conducting strip II and the conducting strip III; above-mentioned structure, its overall structure is complicated, and spare part is more, and manufacturing cost is high, converges and takes the installation inconvenient, and the practicality is lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model aims to solve the problem that a bipartite formula photovoltaic terminal box is provided to overcome current photovoltaic terminal box structure complicacy, high in manufacturing cost and converge and take the inconvenient defect of installation.
(II) technical scheme
For solving the technical problem, the utility model provides a bipartite formula photovoltaic terminal box, include:
the circuit board comprises a first box body, wherein a first metal sheet and a second metal sheet are arranged in the first box body at intervals, one ends of the first metal sheet and one end of the second metal sheet are electrically connected through a diode, and the other ends of the first metal sheet and the second metal sheet are bent to form a first wiring board; each first wiring board is provided with a first through hole, and a first welding groove is formed in the inner concave of one side of each first through hole;
the second box body is internally provided with a third metal sheet; third sheetmetal one end symmetry and interval are provided with the second wiring board, all are provided with the second on every second wiring board and perforate, the second of second fenestrate one side is provided with the second welding recess of indent. The junction box redesigns the existing metal sheet structure, has a simpler overall structure, and saves the manufacturing cost of the junction box.
Furthermore, a first protruding portion corresponding to the first wiring board is arranged on the first box body, a first supporting plate is symmetrically arranged on one side of the first protruding portion, the first wiring board is abutted to the first protruding portion and the first supporting plate, and a first through hole corresponding to the first through hole is formed in the first protruding portion. A plurality of first locating posts are arranged in the first box body, and first locating holes matched with the first locating posts are formed in the first metal sheet and the second metal sheet.
Furthermore, a first groove is formed in the first metal sheet, and second grooves are symmetrically formed in the second metal sheet at positions corresponding to the first groove; one end of the diode is welded in the first groove, and the two contact pins at the other end of the diode are correspondingly welded in the second groove.
Furthermore, a second protruding portion corresponding to the second wiring board is arranged on the second box body, a second supporting plate is symmetrically arranged on one side of the second protruding portion, the second wiring board is abutted against the second protruding portion and the second supporting plate, and a second through hole corresponding to the second through hole is formed in the second protruding portion. A plurality of second positioning columns are arranged in the second box body, and second positioning holes matched with the second positioning columns are formed in the third metal sheet.
Furthermore, a first wiring part is arranged at one end, far away from the first wiring board, of the first metal sheet, and a first wire pressing plate corresponding to the first wiring part is mounted on the first box body; the third metal sheet is kept away from second wiring board one end is provided with second wiring portion, install on the second box body with the second line ball board that second wiring portion corresponds. The first wiring portion and the second wiring portion are identical in structure and are both in a U shape with an upward opening.
Furthermore, install first apron through the mode of buckle on the first box body, install the second apron through the mode of buckle on the second box body. The first box body and the second box body are identical in structure, and a plurality of cushion blocks are arranged at the bottom of the first box body and the bottom of the second box body.
(III) advantageous effects
The utility model provides a bipartite formula photovoltaic terminal box sets up two box bodys, is provided with first sheetmetal and second sheetmetal in one box body, is provided with the third sheetmetal in the other box body, and it redesigns current sheetmetal structure, and overall structure is simpler, has practiced thrift the manufacturing cost of terminal box; when the photovoltaic junction box is used, the bus bar which is internally arranged in the photovoltaic plate sequentially penetrates through the through hole and the through hole from the lower side of the box body and then is welded in the welding groove, and the bus bar is convenient to install, firm to install and long in service life; the defects that the existing photovoltaic junction box is complex in structure, high in manufacturing cost and inconvenient in installation of the bus bar are overcome.
Drawings
Fig. 1 is a perspective view of a two-part photovoltaic junction box of the present invention;
fig. 2 is a perspective view of another view angle of the bi-body type photovoltaic junction box of the present invention;
fig. 3 is a perspective view of the connection of the first box body, the first metal sheet and the second metal sheet of the two-part photovoltaic junction box of the present invention;
fig. 4 is an exploded view of the first box body of the bi-body type photovoltaic junction box of the present invention;
fig. 5 is a perspective view of the connection between the first metal sheet and the second metal sheet of the bi-body photovoltaic junction box of the present invention;
fig. 6 is a perspective view of the first box body of the two-part photovoltaic junction box of the present invention;
fig. 7 is a perspective view of the connection between the second box body and the third metal sheet of the bi-body type photovoltaic junction box of the present invention;
fig. 8 is an exploded view of the second box body of the bi-body type photovoltaic junction box of the present invention;
fig. 9 is a perspective view of a third metal sheet of the two-part photovoltaic junction box of the present invention;
fig. 10 is a perspective view of a second box body of the two-part photovoltaic junction box of the present invention;
fig. 11 is a schematic structural view of the bi-body type photovoltaic junction box of the present invention in use;
the corresponding part names for the various reference numbers in the figures are: 11. a first case; 111. a first boss; 112. a first support plate; 113. a first through hole; 114. a first positioning post; 115. a cushion block; 12. a first metal sheet; 121. a first wiring board; 122. a first perforation; 123. a first welding groove; 124. a first positioning hole; 125. a first groove; 126. a first wiring portion; 13. a second metal sheet; 131. a second groove; 14. a diode; 15. a first wire pressing plate; 16. a first cover plate; 21. a second box body; 211. a second boss portion; 212. a second support plate; 213. a second through hole; 214. a second positioning column; 22. a third metal sheet; 221. a second wiring board; 222. a second perforation; 223. a second welding groove; 224. a second positioning hole; 225. a second wiring portion; 23. a second wire pressing plate; 24. a second cover plate; 3. a photovoltaic panel; 4. a bus bar.
Detailed Description
The following detailed description of the embodiments of the present invention is made with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1 to 11, the utility model provides a bipartite formula photovoltaic terminal box, including first box body 11 and second box body 21, in order to practice thrift manufacturing cost, first box body 11 is the same with second box body 21 structure.
Referring to fig. 3 to 5, a first metal sheet 12 and a second metal sheet 13 are disposed at intervals in the first box 11, and both the first metal sheet 12 and the second metal sheet 13 are copper sheets. One ends of the first metal sheet 12 and the second metal sheet 13 are electrically connected through a diode 14, the other ends of the first metal sheet 12 and the second metal sheet 13 are bent to form a first wiring board 121, and the first wiring board 121 is used for connecting an external bus bar 4. Each first wiring board 121 is provided with a first through hole 122, and a first welding groove 123 is formed at one side of the first through hole 122 in a concave manner, so that the welding area of the bus bar is ensured, and the welding is firm.
Referring to fig. 3 and 6, a first protrusion 111 corresponding to the first wiring board 121 is disposed on the first case 11, first support plates 112 are symmetrically disposed on one sides of the first protrusion 111, the first wiring board 121 abuts against the first protrusion 111 and the first support plates 112, and a first through hole 113 corresponding to the first through hole 122 is disposed on the first protrusion 111, so that the bus bar can pass through the first through hole. Four first positioning posts 114 are arranged in the first box body 11, two first positioning holes 124 matched with the first positioning posts 114 are respectively arranged on the first metal sheet 12 and the second metal sheet 13, and the first positioning holes and the second positioning holes are used for installation, so that the positioning is accurate and the installation is convenient; the installation is firm through the supporting of bellying and backup pad.
Referring to fig. 4 and 5, the first metal sheet 12 is provided with a first groove 125, and the second metal sheet 13 is symmetrically provided with a second groove 131 at a position corresponding to the first groove 125; one end of the diode 14 is soldered in the first recess 125, and the other two contact pins are soldered in the second recess 131. By the mode, the welding area of the diode 14 is ensured, the connection is firm, and the service life is long.
Referring to fig. 7 to 9, a third metal sheet 22 is installed in the second box 21, and the third metal sheet 22 is a copper sheet. One end of the third metal sheet 22 is symmetrically provided with a second wiring board 221 at intervals, and the second wiring board 221 is used for connecting the external bus bar 4. Each second wiring board 221 is provided with a second through hole 222, and one side of each second through hole 222 is provided with a concave second welding groove 223, so that the welding area of the bus bar is ensured, and the welding is firm.
Referring to fig. 8 and 10, the second box body 21 is provided with a second protrusion 211 corresponding to the second wiring board 221, a second support plate 212 is symmetrically provided at one side of the second protrusion 211, the second wiring board 221 is abutted against the second protrusion 211 and the second support plate 212, and the second protrusion 211 is provided with a second through hole 213 corresponding to the second through hole 222. Four second positioning posts 214 are disposed in the second box 21, and four second positioning holes 224 matched with the second positioning posts 214 are disposed on the third metal sheet 22. The positioning column and the positioning hole are used for installation, so that the positioning is accurate and the installation is convenient; the installation is firm through the supporting of bellying and backup pad.
Referring to fig. 4 and 8, the first metal sheet 12 is provided with a first wiring portion 126 at an end away from the first wiring board 121, and the first case 11 is mounted with a first tension disc 15 corresponding to the first wiring portion 126; the third metal piece 22 is provided with a second wiring portion 225 at an end remote from the second wiring board 221, and a second tension plate 23 corresponding to the second wiring portion 225 is mounted on the second case body 21. The first wiring portion 126 and the second wiring portion 225 are identical in structure and are both in a U shape with an upward opening, and external cables are conveniently connected.
Referring to fig. 1, 4 and 8, a first cover plate 16 is installed on the first box 11 in a snap manner, the first cover plate 16 is used for covering the first box 11, a second cover plate 24 is installed on the second box 21 in a snap manner, and the second cover plate 24 is used for covering the second box 21. Wherein, the bottom of first box body 11 and second box body 21 all is provided with a plurality of cushion 115, is favorable to the heat dissipation, increase of service life.
Referring to fig. 11, when in use, one end of the bus bar 4 built in the photovoltaic panel 3 is connected to the first box body, and the other end is connected to the first box body; the end part of the bus bar 4 sequentially penetrates through the through hole and the through hole from the bottom of the box body and then is welded in the welding groove.
The utility model provides a bipartite formula photovoltaic terminal box that this embodiment provides, the utility model provides a bipartite formula photovoltaic terminal box sets up two box bodys, is provided with first sheetmetal and second sheetmetal in one box body, is provided with the third sheetmetal in another box body, and it redesigns current sheetmetal structure, and overall structure is simpler, has practiced thrift the manufacturing cost of terminal box; when the photovoltaic junction box is used, the bus belt built in the photovoltaic panel sequentially penetrates through the through holes and the through holes from the lower side of the box body and then is welded in the welding grooves, the bus belt is convenient to install, the bus belt is firm to install, and the service life is long.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and embellishments can be made without departing from the technical principle of the present invention, and these improvements and embellishments should also be regarded as the protection scope of the present invention.
Claims (10)
1. A bipartite photovoltaic junction box, comprising:
the circuit board comprises a first box body (11), wherein a first metal sheet (12) and a second metal sheet (13) are arranged in the first box body (11) at intervals, one ends of the first metal sheet (12) and the second metal sheet (13) are electrically connected through a diode (14), and the other ends of the first metal sheet (12) and the second metal sheet (13) are bent to form a first wiring board (121); each first wiring board (121) is provided with a first through hole (122), and one side of each first through hole (122) is concavely provided with a first welding groove (123);
the second box body (21), a third metal sheet (22) is installed in the second box body (21); one end of the third metal sheet (22) is symmetrically provided with second wiring boards (221) at intervals, each second wiring board (221) is provided with a second through hole (222), and one side of each second through hole (222) is provided with a concave second welding groove (223).
2. The bi-block photovoltaic junction box of claim 1, wherein: be provided with on first box body (11) with first boss (111) that first wiring board (121) correspond, one side symmetry of first boss (111) is provided with first backup pad (112), first wiring board (121) support and put on first boss (111) and first backup pad (112), first boss (111) be provided with first perforation (113) that first perforation (122) correspond.
3. The bi-block photovoltaic junction box of claim 1, wherein: a plurality of first positioning columns (114) are arranged in the first box body (11), and first positioning holes (124) matched with the first positioning columns (114) are formed in the first metal sheet (12) and the second metal sheet (13).
4. The bi-block photovoltaic junction box of claim 1, wherein: a first groove (125) is formed in the first metal sheet (12), and second grooves (131) are symmetrically formed in the second metal sheet (13) at positions corresponding to the first groove (125); one end of the diode (14) is welded in the first groove (125), and two contact pins at the other end of the diode are correspondingly welded in the second groove (131).
5. The bi-block photovoltaic junction box of claim 1, wherein: the second box body (21) is provided with a second protruding portion (211) corresponding to the second wiring board (221), a second supporting plate (212) is symmetrically arranged on one side of the second protruding portion (211), the second wiring board (221) is abutted to the second protruding portion (211) and the second supporting plate (212), and the second protruding portion (211) is provided with a second through hole (213) corresponding to the second through hole (222).
6. The bi-part photovoltaic junction box of claim 1, wherein: a plurality of second positioning columns (214) are arranged in the second box body (21), and second positioning holes (224) matched with the second positioning columns (214) are formed in the third metal sheet (22).
7. The bi-block photovoltaic junction box of claim 1, wherein: the first metal sheet (12) is provided with a first wiring part (126) at one end far away from the first wiring board (121), and a first wire pressing plate (15) corresponding to the first wiring part (126) is mounted on the first box body (11); the third metal sheet (22) is provided with a second wiring portion (225) at one end far away from the second wiring board (221), and a second wire pressing plate (23) corresponding to the second wiring portion (225) is mounted on the second box body (21).
8. The bi-component photovoltaic junction box of claim 7, wherein: the first wiring portion (126) and the second wiring portion (225) are identical in structure and are U-shaped with the opening facing upwards.
9. The bi-block photovoltaic junction box of claim 1, wherein: first apron (16) are installed through the mode of buckle on first box body (11), second apron (24) are installed through the mode of buckle on second box body (21).
10. The bi-block photovoltaic junction box of claim 1, wherein: the first box body (11) and the second box body (21) are identical in structure, and a plurality of cushion blocks (115) are arranged at the bottoms of the first box body and the second box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222594502.4U CN218387429U (en) | 2022-09-29 | 2022-09-29 | Bipartite formula photovoltaic terminal box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222594502.4U CN218387429U (en) | 2022-09-29 | 2022-09-29 | Bipartite formula photovoltaic terminal box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218387429U true CN218387429U (en) | 2023-01-24 |
Family
ID=84956702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222594502.4U Active CN218387429U (en) | 2022-09-29 | 2022-09-29 | Bipartite formula photovoltaic terminal box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218387429U (en) |
-
2022
- 2022-09-29 CN CN202222594502.4U patent/CN218387429U/en active Active
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| Date | Code | Title | Description |
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| 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 |