CN216818791U - Cable and copper busbar assembly for photovoltaic combiner box - Google Patents
Cable and copper busbar assembly for photovoltaic combiner box Download PDFInfo
- Publication number
- CN216818791U CN216818791U CN202220469918.0U CN202220469918U CN216818791U CN 216818791 U CN216818791 U CN 216818791U CN 202220469918 U CN202220469918 U CN 202220469918U CN 216818791 U CN216818791 U CN 216818791U
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- column
- cable
- fixedly connected
- wall
- busbar assembly
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- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 229910052802 copper Inorganic materials 0.000 title claims abstract description 41
- 239000010949 copper Substances 0.000 title claims abstract description 41
- 238000009434 installation Methods 0.000 abstract description 16
- 238000011900 installation process Methods 0.000 abstract description 3
- 239000013589 supplement Substances 0.000 abstract 1
- 230000007547 defect Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000008602 contraction Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
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- Laying Of Electric Cables Or Lines Outside (AREA)
Abstract
The utility model discloses a cable and copper busbar assembly for a photovoltaic combiner box, and particularly relates to the technical field of photovoltaic combiner boxes. The device effectively solves the problem that the cables and the copper busbar need to be installed one by one or disassembled one by one in the installation process at present, and the disassembly or the assembly work of all the cables is finished at one time in a clamping mode, so that the operation is simple, and time and labor are saved; in addition, in order to avoid the inapplicability of the fixed shaft and supplement the limiting work in the horizontal direction, the abutting block can be adopted to abut against the wiring terminal, and then the pull ring is adopted to disassemble, so that the structure is simple, and the installation and the disassembly are simple and quick.
Description
Technical Field
The utility model relates to the technical field of photovoltaic combiner boxes, in particular to a cable and copper busbar assembly for a photovoltaic combiner box.
Background
The junction box is characterized in that a user can connect photovoltaic cells with a certain number and the same specification in series to form photovoltaic strings, then the photovoltaic strings are connected into the photovoltaic junction box in parallel, and after the photovoltaic junction box is internally connected with a junction box, the photovoltaic junction box is matched with a controller, a direct-current power distribution cabinet, a photovoltaic inverter and an alternating-current power distribution cabinet to form a complete photovoltaic power generation system, so that grid connection with a mains supply is realized.
The connecting mode of the cable and the copper busbar of the existing photovoltaic combiner box has some defects and is troublesome to disassemble and install, and according to a cable and copper busbar assembly for the photovoltaic combiner box with the patent number of CN 206293625U disclosed by a Chinese patent network, the cable and copper busbar assembly comprises an insulator (1), a cable (2), a combiner copper busbar (4), a screw fastener (5) and a screw fixing plate (3); the cable (2) and the bus bar (4) are fixed on the screw fixing plate (3) through screw fasteners (5). Because the bolt fixing plate is used, the defect that the photovoltaic cable converges to the copper bar is overcome, the mounting and dismounting are convenient, the safety and reliability are obviously improved, and meanwhile, the safe and reliable operation of a large photovoltaic power station system is also guaranteed.
Even so, this utility model still has some defects, when dismantling, still needs the dismantlement one by one, wastes workman's time and energy.
Therefore, it is desirable to provide a cable and copper busbar assembly for a photovoltaic combiner box.
SUMMERY OF THE UTILITY MODEL
In order to overcome the above defects in the prior art, embodiments of the present invention provide a cable and copper busbar assembly for a photovoltaic combiner box, so as to solve the problem that the cable and copper busbar need to be installed one by one or detached one by one in the current installation process.
In order to solve the technical problems, the utility model provides the following technical scheme: a cable and copper busbar assembly for a photovoltaic combiner box comprises a combiner copper bar and a cable, wherein one end of the cable is fixedly connected with a connecting terminal, a fixed shaft is fixedly installed on the top surface of the combiner copper bar, the connecting terminal is movably sleeved on the outer wall of the fixed shaft, a movable column is fixedly installed on the top surface of the combiner copper bar, an insulating installation plate is detachably installed on the top surface of the movable column, a clamping column is fixedly installed on the bottom surface of the insulating installation plate, a limiting hole is formed in the outer side of the clamping column, a disassembly valve is arranged on one side of the combiner copper bar, a first fixing plate is fixedly installed on one side of the disassembly valve, the first fixing plate is rotatably installed on the inner wall of the combiner copper bar, a reset spring is fixedly connected to one side of the first fixing plate, a telescopic assembly is arranged outside the reset spring, and one end of the reset spring is fixedly connected with a second fixing plate, one side fixed mounting of second fixed plate has the stopper, the stopper activity is in the inner wall in spacing hole.
Preferably, the activity post includes the cavity post, the inner wall slidable mounting of cavity post has the carriage release lever, the bottom fixedly connected with supporting spring of carriage release lever, supporting spring's bottom and the bottom surface fixed connection of cavity post inner chamber, the top joint of carriage release lever is in the bottom surface of insulating mounting panel.
Preferably, flexible subassembly is including ending the rotary column, the spacing groove has been seted up to the inner wall of ending the rotary column, the inner wall slidable mounting of spacing groove has flexible piece, the inner wall slidable mounting of ending the rotary column has the telescopic link, the one end fixedly connected with of telescopic link removes the dish, fixed connection between the outer wall of removal dish and the flexible piece.
Preferably, a first movable groove and a second movable groove are respectively formed in the fixed shaft, the first movable groove and the second movable groove are communicated with each other, a fixed block is fixedly mounted on the inner wall of the first movable groove, a fixed column is fixedly mounted on one side of the fixed block, a supporting column is slidably mounted on the inner wall of the fixed column, and a supporting block is arranged at one end of the supporting column.
Preferably, a pressure spring is fixedly mounted on one side of the inner cavity of the fixing column, and the other end of the abutting column is fixedly connected with one end of the pressure spring.
Preferably, the other end of the supporting column is fixedly connected with a pull rope, the pull rope is located inside the pressure spring and extends to the outside of the fixing column, the pull ropes are a plurality of, and one ends of the pull ropes are fixedly connected with traction ropes.
Preferably, the pulling rope passes through the second movable groove to the bottom of the fixed shaft, and one end of the pulling rope is fixedly connected with a pull ring.
Preferably, the shape of the resisting block is a hemisphere or a quadrangular prism.
The technical scheme of the utility model has the following beneficial effects:
in the scheme, by arranging the insulating mounting plates, when the cable is required to be mounted, the wiring terminals are sleeved on the fixed shaft one by one, then the insulating mounting plates are covered, the clamping columns move downwards and extrude the limiting blocks, the limiting blocks move leftwards and finally enter the limiting holes to complete clamping, the fixed shaft is abutted against the insulating mounting plates to complete limiting of the wiring terminals, and at the moment, the cable is mounted completely, so that the mounting time is saved; moreover, during disassembly, only the disassembly valve needs to be rotated, the disassembly valve drives the limiting block to rotate, the cambered surface of the limiting block faces downwards, the insulating mounting plate is jacked up along with the acting force of the supporting spring, the disassembly is completed, and the disassembly is simple and rapid;
in the above scheme, for further fixing the cable, the fixing shaft is not suitable for use when the cable is prevented from loosening or the inner diameter of the connecting terminal of the cable is not the same in size, the supporting columns and the supporting blocks can be arranged on the outer wall of the fixing shaft, the supporting blocks are jacked up by utilizing the elasticity of the pressure spring to enable the plurality of supporting blocks to be abutted against the inner wall of the connecting terminal, when the cable needs to be disassembled, the plurality of supporting columns are pulled to move simultaneously by only pulling the pull ring, the supporting blocks begin to be separated from the connecting terminal, and the disassembly is completed.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of the internal structure of the movable column of the present invention;
FIG. 3 is a top view of the present invention;
FIG. 4 is a schematic view of the structure of the limiting block and the locking post of the present invention;
FIG. 5 is a schematic view of the internal structure of the telescoping assembly of the present invention;
FIG. 6 is a schematic cross-sectional view of a second stationary shaft according to an embodiment of the present invention;
FIG. 7 is a schematic view of the internal structure of the fixing post according to the present invention;
FIG. 8 is a schematic view of an external structure of a second fixing shaft according to an embodiment of the present invention.
[ reference numerals ]
1. A busbar; 2. an insulating mounting plate; 3. a movable post; 4. clamping the column; 5. a fixed shaft; 6. a cable; 7. a wiring terminal; 8. a limiting hole; 9. a telescoping assembly; 10. disassembling the valve; 11. a first fixing plate; 12. a return spring; 13. a second fixing plate; 14. a limiting block; 15. a first movable slot; 16. a second movable slot; 17. a fixed block; 18. fixing a column; 19. supporting columns; 20. a resisting block; 21. a pressure spring; 22. pulling a rope; 23. a hauling rope; 24. a pull ring; 31. a hollow column; 32. a travel bar; 33. a support spring; 91. a rotation stopping column; 92. a telescopic rod; 93. a movable tray; 94. a limiting groove; 95. a telescopic block.
Detailed Description
In order to make the technical problems, technical solutions and advantages of the present invention more apparent, the following detailed description is given with reference to the accompanying drawings and specific embodiments, the description of which is only exemplary and explanatory, and should not be construed as limiting the scope of the present invention in any way.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
Example one
As shown in fig. 1-5, an embodiment of the present invention provides a cable and copper busbar assembly for a photovoltaic combiner box, including a combiner copper bar 1 and a cable 6, one end of the cable 6 is fixedly connected with a connection terminal 7, a fixed shaft 5 is fixedly installed on the top surface of the combiner copper bar 1, the connection terminal 7 is movably sleeved on the outer wall of the fixed shaft 5, a movable column 3 is fixedly installed on the top surface of the combiner copper bar 1, an insulating installation plate 2 is detachably installed on the top surface of the movable column 3, a clamping column 4 is fixedly installed on the bottom surface of the insulating installation plate 2, a limiting hole 8 is opened on the outer side of the clamping column 4, a disassembly valve 10 is disposed on one side of the combiner copper bar 1, a first fixing plate 11 is fixedly installed on one side of the disassembly valve 10, the first fixing plate 11 is rotatably installed on the inner wall of the combiner copper bar 1, a return spring 12 is fixedly connected to one side of the first fixing plate 11, and a telescopic assembly 9 is disposed outside the return spring 12, one end of the return spring 12 is fixedly connected with a second fixing plate 13, one side of the second fixing plate 13 is fixedly provided with a limiting block 14, and the limiting block 14 moves on the inner wall of the limiting hole 8.
Wherein, movable column 3 includes cavity post 31, and the inner wall slidable mounting of cavity post 31 has carriage release lever 32, and the bottom fixedly connected with supporting spring 33 of carriage release lever 32, the bottom of supporting spring 33 and the bottom surface fixed connection of cavity post 31 inner chamber, the top joint of carriage release lever 32 in the bottom surface of insulating mounting panel 2.
Specifically, one side of the stopper 14 is arc-shaped, and the other side is planar.
Specifically, when installation is needed, the wiring terminals 7 are sleeved on the fixed shaft 5 one by one, then the insulating mounting plate 2 is covered, the clamping columns 4 move downwards and extrude the limiting blocks 14, the limiting blocks 14 move leftwards under the contraction of the return springs 12, finally the limiting blocks 14 enter the limiting holes 8 to complete clamping, the fixed shaft 5 is abutted against the insulating mounting plate 2 to complete limiting of the wiring terminals 7, and at the moment, installation of cables is completed, so that installation time is saved; moreover, during the dismantlement, also only need rotate dismantlement valve 10, dismantle valve 10 and drive and rotate through reset spring 12 and flexible subassembly 9, and then take stopper 14 to rotate, stopper 14 cambered surface down, block post 4 can't continue with stopper 14 joint, along with supporting spring 33's effort, jack-up insulation mounting panel 2, block post 4 moves up, accomplishes the dismantlement, dismantles simple and easy swift.
Wherein, flexible subassembly 9 is including only changeing post 91, and only changeing post 91's inner wall has seted up spacing groove 94, and the inner wall slidable mounting of spacing groove 94 has flexible piece 95, and only changeing post 91's inner wall slidable mounting has telescopic link 92, and telescopic link 92's one end fixedly connected with removes dish 93, removes fixed connection between the outer wall of dish 93 and the flexible piece 95.
Specifically, when avoiding rotating, the telescopic link can't follow the rotation, so seted up spacing groove 94, the inside of spacing groove 94 is provided with flexible piece 95, when dismantling valve 10 and rotate, ends post 91 and then rotates, utilizes mutually supporting between spacing groove 94 and flexible piece 95, can take telescopic link 92 to rotate to make flexible subassembly 9 can realize can stretch out and draw back, can rotate the purpose together again.
Example two
As shown in fig. 1 to 8, the second embodiment differs from the first embodiment in that: the inner part of the fixed shaft 5 is respectively provided with a first movable groove 15 and a second movable groove 16, the first movable groove 15 and the second movable groove 16 are communicated with each other, the inner wall of the first movable groove 15 is fixedly provided with a fixed block 17, one side of the fixed block 17 is fixedly provided with a fixed column 18, the inner wall of the fixed column 18 is slidably provided with a support column 19, and one end of the support column 19 is provided with a support block 20.
Wherein, one side of the fixed column 18 inner cavity is fixedly provided with a pressure spring 21, and the other end of the support column 19 is fixedly connected with one end of the pressure spring 21.
The other end of the abutting column 19 is fixedly connected with a pulling rope 22, the pulling rope 22 is located inside the pressure spring 21 and extends to the outside of the fixed column 18, the pulling ropes 22 are multiple in number, one ends of the pulling ropes 22 are fixedly connected with a pulling rope 23, the pulling rope 23 penetrates through the second movable groove 16 to the bottom of the fixed shaft 5, and one end of the pulling rope 23 is fixedly connected with a pulling ring 24.
Specifically, the traction rope 23 also penetrates through the bus copper bar, so that in order to avoid the problems that the cable is obviously loosened in the horizontal direction when in use, or the inner diameters of the wiring terminals of the cable are different, the outer diameter of the fixed shaft is too large or too small, and the like, the fixed shaft needs to be improved, so that the fixed shaft can also play a role in limiting the wiring terminal 7 in the horizontal direction; when the installation is needed, only the pull ring 24 needs to be pulled, the traction rope 23 drives the pull ropes 22 to move, the supporting column 19 and the supporting block 20 are driven to contract, after the wiring terminal 7 is sleeved, the pull ring 24 is loosened, the supporting column 19 and the supporting block 20 begin to rebound under the action of the pressure spring 21, and the supporting block 20 supports against the inner wall of the wiring terminal 7, so that the horizontal limiting is completed; similarly, when the cable needs to be detached, the pull ring 24 is pulled, so that the fixing effect of the cable is improved.
Wherein, the shape of the resisting block 20 is a hemisphere or a quadrangular prism.
Specifically, when the pull ring 24 is arranged to be a hemisphere, the pull ring can be sleeved directly without pulling the pull ring; when the terminal is arranged in a quadrangular shape, the terminal 7 is prevented from being scratched, and the terminal can be sleeved only by pulling the pull ring 24.
The working process of the utility model is as follows:
according to the scheme, when installation is needed, the wiring terminals 7 are sleeved on the fixed shaft 5 one by one, then the insulating installation plate 2 is covered, the clamping columns 4 move downwards and extrude the limiting blocks 14, the limiting blocks 14 move leftwards under the contraction of the return springs 12 and finally enable the limiting blocks 14 to enter the limiting holes 8 to complete clamping, the fixed shaft 5 is abutted against the insulating installation plate 2 to complete limiting of the wiring terminals 7, and at the moment, installation of cables is completed, so that installation time is saved; moreover, during the dismantlement, also only need rotate dismantlement valve 10, dismantle valve 10 and drive and rotate through reset spring 12 and flexible subassembly 9, and then take stopper 14 to rotate, stopper 14 cambered surface down, block post 4 can't continue with stopper 14 joint, along with supporting spring 33's effort, jack-up insulation mounting panel 2, block post 4 moves up, accomplishes the dismantlement, dismantles simple and easy swift.
According to the scheme, when the installation is needed, only the pull ring 24 needs to be pulled, the pull rope 23 drives the pull ropes 22 to move, the supporting column 19 and the supporting block 20 are driven to contract, after the wiring terminal 7 is sleeved, the pull ring 24 is loosened, the supporting column 19 and the supporting block 20 begin to rebound under the action of the pressure spring 21, the supporting block 20 supports against the inner wall of the wiring terminal 7, and the horizontal limiting is completed; similarly, when the cable needs to be detached, the pull ring 24 is pulled, so that the fixing effect of the cable is improved.
The device effectively solves the problem that cables and copper busbars need to be installed one by one or disassembled one by one in the installation process at present, the disassembly or assembly work of all the cables is completed at one time in a clamping connection mode, and the device is simple to operate, and saves time and labor; in addition, for avoiding being inapplicable to the fixed axle, supply the limited work of horizontal direction, can adopt to support the piece to carry out the butt to the binding post, adopt the pull ring to dismantle again, simple structure, the installation is simple and easy swift with the dismantlement, is worth promoting.
Claims (8)
1. A cable and copper busbar assembly for a photovoltaic combiner box comprises a combiner copper bar (1) and a cable (6), wherein one end of the cable (6) is fixedly connected with a wiring terminal (7), and is characterized in that a fixed shaft (5) is fixedly mounted on the top surface of the combiner copper bar (1), the wiring terminal (7) is movably sleeved on the outer wall of the fixed shaft (5), a movable column (3) is fixedly mounted on the top surface of the combiner copper bar (1), an insulating mounting plate (2) is detachably mounted on the top surface of the movable column (3), a clamping column (4) is fixedly mounted on the bottom surface of the insulating mounting plate (2), a limiting hole (8) is formed in the outer side of the clamping column (4), a disassembly valve (10) is arranged on one side of the combiner copper bar (1), a first fixing plate (11) is fixedly mounted on one side of the disassembly valve (10), and the first copper bar fixing plate (11) is rotatably mounted on the inner wall of the combiner copper bar (1), states one side fixedly connected with reset spring (12) of first fixed plate (11), the outside of reset spring (12) is provided with flexible subassembly (9), the one end fixedly connected with second fixed plate (13) of reset spring (12), one side fixed mounting of second fixed plate (13) has stopper (14), stopper (14) move about in the inner wall of spacing hole (8).
2. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 1, wherein the movable column (3) comprises a hollow column (31), a moving rod (32) is slidably mounted on the inner wall of the hollow column (31), a supporting spring (33) is fixedly connected to the bottom of the moving rod (32), the bottom of the supporting spring (33) is fixedly connected to the bottom surface of the inner cavity of the hollow column (31), and the top of the moving rod (32) is clamped to the bottom surface of the insulating mounting plate (2).
3. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 2, wherein the telescopic assembly (9) comprises a rotation stopping column (91), a limiting groove (94) is formed in the inner wall of the rotation stopping column (91), a telescopic block (95) is slidably mounted on the inner wall of the limiting groove (94), a telescopic rod (92) is slidably mounted on the inner wall of the rotation stopping column (91), a movable disc (93) is fixedly connected to one end of the telescopic rod (92), and the outer wall of the movable disc (93) is fixedly connected with the telescopic block (95).
4. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 3, wherein a first movable groove (15) and a second movable groove (16) are formed in the fixed shaft (5) respectively, the first movable groove (15) and the second movable groove (16) are communicated with each other, a fixed block (17) is fixedly mounted on the inner wall of the first movable groove (15), a fixed column (18) is fixedly mounted on one side of the fixed block (17), a supporting column (19) is slidably mounted on the inner wall of the fixed column (18), and a supporting block (20) is arranged at one end of the supporting column (19).
5. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 4, wherein a pressure spring (21) is fixedly mounted on one side of an inner cavity of the fixing column (18), and the other end of the abutting column (19) is fixedly connected with one end of the pressure spring (21).
6. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 5, wherein a pulling rope (22) is fixedly connected to the other end of the supporting column (19), the pulling rope (22) is located inside the pressure spring (21) and extends to the outside of the fixing column (18), the number of the pulling ropes (22) is several, and a traction rope (23) is fixedly connected to one end of each of the pulling ropes (22).
7. The cable and copper busbar assembly for the photovoltaic combiner box according to claim 6, wherein the pulling rope (23) penetrates through the second movable groove (16) to the bottom of the fixed shaft (5), and one end of the pulling rope (23) is fixedly connected with a pull ring (24).
8. The cable and copper busbar assembly according to claim 7, wherein the retaining block (20) is shaped like a hemisphere or a quadrangular prism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220469918.0U CN216818791U (en) | 2022-03-04 | 2022-03-04 | Cable and copper busbar assembly for photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220469918.0U CN216818791U (en) | 2022-03-04 | 2022-03-04 | Cable and copper busbar assembly for photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216818791U true CN216818791U (en) | 2022-06-24 |
Family
ID=82044166
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220469918.0U Expired - Fee Related CN216818791U (en) | 2022-03-04 | 2022-03-04 | Cable and copper busbar assembly for photovoltaic combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216818791U (en) |
-
2022
- 2022-03-04 CN CN202220469918.0U patent/CN216818791U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220624 |
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| CF01 | Termination of patent right due to non-payment of annual fee |