CN116979888B - Novel modular assembled photovoltaic junction box - Google Patents
Novel modular assembled photovoltaic junction box Download PDFInfo
- Publication number
- CN116979888B CN116979888B CN202310733378.1A CN202310733378A CN116979888B CN 116979888 B CN116979888 B CN 116979888B CN 202310733378 A CN202310733378 A CN 202310733378A CN 116979888 B CN116979888 B CN 116979888B
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- China
- Prior art keywords
- wall
- fixedly connected
- upper cover
- clamping
- box body
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- 238000007789 sealing Methods 0.000 claims abstract description 53
- 230000000694 effects Effects 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 23
- 230000017525 heat dissipation Effects 0.000 claims description 22
- 210000000078 claw Anatomy 0.000 claims description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 229910021389 graphene Inorganic materials 0.000 claims description 8
- 230000000712 assembly Effects 0.000 claims description 5
- 238000000429 assembly Methods 0.000 claims description 5
- 239000000853 adhesive Substances 0.000 claims description 4
- 230000001070 adhesive effect Effects 0.000 claims description 4
- 210000001503 joint Anatomy 0.000 claims description 3
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 229910002804 graphite Inorganic materials 0.000 description 2
- 239000010439 graphite Substances 0.000 description 2
- -1 graphite alkene Chemical class 0.000 description 2
- 230000005855 radiation Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000005871 repellent Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02S—GENERATION OF ELECTRIC POWER BY CONVERSION OF INFRARED RADIATION, VISIBLE LIGHT OR ULTRAVIOLET LIGHT, e.g. USING PHOTOVOLTAIC [PV] MODULES
- H02S40/00—Components or accessories in combination with PV modules, not provided for in groups H02S10/00 - H02S30/00
- H02S40/30—Electrical components
- H02S40/34—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/03—Cooling
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/088—Dustproof, splashproof, drip-proof, waterproof, or flameproof casings or inlets
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
- H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
- H02G3/02—Details
- H02G3/08—Distribution boxes; Connection or junction boxes
- H02G3/14—Fastening of cover or lid to box
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Photovoltaic Devices (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a novel modularized assembled photovoltaic junction box, which comprises a cover clamping mechanism, a sealing mechanism and a main body, wherein the cover clamping mechanism is arranged at the upper end of the main body, and the sealing mechanism is arranged in the middle of the main body; the clamping mechanism comprises an upper cover, the upper cover is arranged at the top of the main body, the inner wall of the upper cover is fixedly connected with a clamping assembly, the clamping assembly comprises a first fixing block, the first fixing block is fixedly arranged on the inner wall of the upper cover, the outer wall of the first fixing block is fixedly connected with a spring, the upper cover is placed in an upper caulking groove, the buttons at the two ends of the upper cover are pressed, the pressing blocks press the springs to enable the clamping jaws to correspond to the outer sides of the clamping holes, the buttons are loosened, the clamping jaws are clamped with the clamping holes through the principle of spring stress rebound, and clamping columns at the two ends of the upper cover are clamped between a group of pressing cavity plates respectively, so that the upper cover is connected with the sealing mechanism, and a rubber waterproof strip is pressed between a bearing plate and the upper cover, so that the waterproof effect is effectively achieved.
Description
Technical Field
The invention belongs to the technical field of photovoltaic junction boxes, and particularly relates to a novel modularized assembled photovoltaic junction box.
Background
Inexhaustible solar energy is more and more favored by people because of safety, cleanness and environmental protection. At present, solar technology is rapidly developed, and particularly, the solar photovoltaic industry has become a sunward industry which is pursued globally. The junction box plays a very important role in the solar photovoltaic industry, and along with the development of the photovoltaic industry, more and more eyes turn to the junction box body. The solar photovoltaic junction box is an important component of the solar cell module, is a connector between a solar cell matrix formed by the solar cell module and a solar charging control device, and can not only transmit the electric power generated by the solar cell to an external circuit, but also be a 'dart' of the solar cell module.
However, the conventional device has the following problems when in use, the upper box body and the lower box body of the conventional combined photovoltaic junction box are sealed in a glue filling manner, and the upper box body and the lower box body are fixed through bolts, so that the sealing and fixing between the upper box body and the lower box body are very inconvenient, and meanwhile, after the diode inside the combined photovoltaic junction box is detected and replaced each time, the glue filling and sealing are needed again, so that the maintenance cost is increased.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a novel modularized assembled photovoltaic junction box so as to solve the problems in the prior art.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a novel modular assembled photovoltaic terminal box, includes card lid mechanism, sealing mechanism and main part, card lid mechanism sets up in the upper end of main part, sealing mechanism sets up in the middle part of main part.
The clamping cover mechanism comprises an upper cover, the upper cover is arranged at the top of the main body, the inner wall of the upper cover is fixedly connected with a clamping assembly, the number of the clamping assemblies is two, the clamping assembly comprises a first fixing block, the first fixing block is fixedly arranged on the inner wall of the upper cover, the outer wall of the first fixing block is fixedly connected with a spring, the number of the springs is multiple, a plurality of extrusion blocks are fixedly connected between the outer walls of the springs, the bottom of each extrusion block is fixedly connected with a jaw, the number of the jaws is multiple, the outer wall of each extrusion block is fixedly connected with a button, and the outer wall of each button is movably connected with the outer wall of the upper cover.
Sealing mechanism is including accepting the board, accept the board joint in the bottom of upper cover, accept the outer wall of board and offered the card hole, and the quantity of card hole sets up to a plurality of, the inner wall of card hole and the outer wall joint of jack catch, accept the outer wall fixedly connected with of board and lower pipe, just the quantity of pipe sets up to two down, the top fixedly connected with rubber waterproof strip of accepting the board, it has seted up last caulking groove and lower caulking groove to accept the inner wall of board, the inner wall fixedly connected with sealing block and the second fixed block of accepting the board, the quantity of second fixed block sets up to two sets of, the outer wall fixedly connected with extrusion chamber board of second fixed block.
Through above-mentioned technical scheme, upper cover and sealing mechanism accomplish to be connected, put into the top of two lower pipes respectively with the play line end and the income line end of photovoltaic cable, put into the caulking groove with the upper cover, press the button at upper cover both ends, the extrusion piece extrusion spring is corresponding the outside of card hole with the jack catch, unclamp the button, jack catch and card hole joint, and the rubber waterproof strip is extruded between accepting board and upper cover, effectually played waterproof effect.
Preferably, the inner wall fixedly connected with card post of upper cover, just the quantity of card post sets up to two, two the equal joint of card post is between the outer wall of a set of extrusion chamber board.
Through above-mentioned technical scheme, played auxiliary fixation's effect, the card post at upper cover both ends is blocked respectively and is gone into between a set of extrusion chamber board.
Preferably, the outer wall fixedly connected with of upper cover goes up pipe and impels the piece, just go up pipe and impels the quantity of piece and all set up to two, the outer wall swing joint who goes up the pipe has the sealing washer, go up the outer wall of pipe and the outer wall fixed connection through the sealing washer fixed connection who sets up between the lower pipe.
Through above-mentioned technical scheme, played the effect of fixed photovoltaic cable, go up the pipe and correspond the back with lower pipe, use the sealing washer to fix photovoltaic cable.
Preferably, the lower extreme of main part is provided with the box body, the box body includes fixed subassembly, fixed subassembly fixed mounting is in the bottom of box body, fixed subassembly includes positioning nut, just positioning nut's quantity sets up to a plurality of, a plurality of positioning nut's bottom all is with the inner wall fixed connection of box body, positioning nut's inner wall threaded connection has the screw, the top fixedly connected with V type of screw is twisted.
Through the technical scheme, the function of manually screwing the screw is achieved, and the screw is screwed into the positioning nut to be fixed by screwing the V-shaped screwing handle.
Preferably, the box body comprises a bottom plate, and the bottom plate is fixedly arranged in the middle of the box body through a plurality of fixing components.
Through above-mentioned technical scheme, played the effect that provides the platform, set up the bottom plate.
Preferably, the top fixed mounting of bottom plate has the electrical component, the electrical component includes the circuit board, just the quantity of circuit board sets up to a plurality of, and is a plurality of the bottom of circuit board all with the top fixed connection of bottom plate, a plurality of fixedly connected with diode between the outer wall of circuit board two by two, the top fixedly connected with spacing post of circuit board and wiring end, just the quantity of spacing post and wiring end all sets up to two sets of.
Through the technical scheme, the wiring function is achieved, and the wire outlet end and the wire inlet end of the photovoltaic cable penetrate through the limiting column to be in butt joint with the wiring end on the circuit board.
Preferably, the bottom of bottom plate fixed mounting has the radiator unit, the radiator unit includes the heat-conducting plate, just the quantity of heat-conducting plate sets up to a plurality ofly, a plurality of the top of heat-conducting plate all is connected with the bottom fixed bottom of bottom plate, a plurality of fixedly connected with radiator fin between the bottom of heat-conducting plate, radiator fin's outer wall fixedly connected with graphite alkene coating board, the louvre has been seted up to graphite alkene coating board's outer wall, just the louvre is quantity setting up to a plurality of.
Through the technical scheme, the heat dissipation effect is achieved, and heat generated in the heat dissipation assembly is conducted to the graphene coating plate through the heat conduction plate and then dissipated through the heat dissipation holes.
Preferably, the waterproof groove is arranged on the outer wall of the box body, and the inner wall of the waterproof groove is clamped with the outer wall of the sealing block.
Through above-mentioned technical scheme, played sealing connection box body and sealing mechanism's effect, the sealing block on the board of holding corresponds the waterproof groove joint.
By adopting the technical scheme, compared with the prior art, the invention has the following technical progress:
1. the invention provides a novel modularized assembled photovoltaic junction box, an upper cover is placed in an upper caulking groove, buttons at two ends of the upper cover are pressed, a pressing block presses a spring to enable a claw to correspond to the outer side of a clamping hole, the buttons are loosened, the claw is clamped with the clamping hole through the principle that the spring is stressed and bounces, meanwhile, clamping columns at two ends of the upper cover are respectively clamped between a group of pressing cavity plates, the upper cover is connected with a sealing mechanism, and a rubber waterproof strip is pressed between a bearing plate and the upper cover, so that a waterproof effect is effectively achieved.
2. The invention provides a novel modularized assembled photovoltaic junction box, which is characterized in that an electric component and a heat dissipation component are respectively arranged at the top and the bottom of a bottom plate, the bottom plate is placed in the box body, a plurality of positioning nuts are arranged above the bottom plate, a V-shaped twisting handle is twisted to screw a screw into the positioning nuts for fixing, and the photovoltaic junction box can be disassembled and assembled under the condition that a screw driver is not needed, so that the effect of simple installation is achieved.
Drawings
FIG. 1 is a schematic diagram of the front structure of the present invention;
FIG. 2 is a schematic view of the structure of the cover clamping mechanism of the present invention;
FIG. 3 is a schematic view of the structure of the buckle assembly according to the present invention;
FIG. 4 is a schematic view of the cross-cut structure of the sealing mechanism of the present invention;
FIG. 5 is an enlarged schematic view of the seal mechanism of the present invention at C;
FIG. 6 is a schematic view of the structure of the waterproof groove of the present invention;
fig. 7 is an enlarged schematic view of the structure of the waterproof groove at a;
FIG. 8 is a schematic view of the structure at the bottom plate of the present invention;
FIG. 9 is a schematic diagram of the structure of the electrical component of the present invention;
FIG. 10 is a schematic view of a heat dissipating assembly according to the present invention;
fig. 11 is an enlarged schematic view of a heat dissipating device according to the present invention.
In the figure: 1. a cover clamping mechanism; 11. an upper cover; 12. a clamping column; 13. a clasp assembly; 131. a first fixed block; 132. a spring; 133. extruding a block; 134. a button; 135. a claw; 14. an upper round tube; 15. a seal ring; 16. a force block; 2. a sealing mechanism; 21. a clamping hole; 22. a lower round tube; 23. a rubber waterproof strip; 24. an upper caulking groove; 25. a receiving plate; 26. a lower caulking groove; 27. a sealing block; 28. a second fixed block; 29. extruding the cavity plate; 3. a case body; 31. a water-repellent tank; 32. an electrical component; 321. a limit column; 322. a terminal; 323. a circuit board; 324. a diode; 33. a fixing assembly; 331. v-shaped twisting handle; 332. a screw; 333. positioning a nut; 34. a bottom plate; 35. a heat dissipation assembly; 351. a heat conductive plate; 352. a heat radiation fin; 353. a graphene coated sheet; 354. a heat radiation hole; 4. a main body.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1-11, the present invention provides a technical solution: the utility model provides a novel modular assembled photovoltaic terminal box, includes card lid mechanism 1, sealing mechanism 2 and main part 4, and card lid mechanism 1 sets up in the upper end of main part 4, and sealing mechanism 2 sets up in the middle part of main part 4.
The card lid mechanism 1 includes upper cover 11, upper cover 11 sets up in the top of main part 4, the inner wall fixedly connected with buckle subassembly 13 of upper cover 11, and the quantity of buckle subassembly 13 sets up to two, buckle subassembly 13 includes first fixed block 131, first fixed block 131 fixed mounting is in the inner wall of upper cover 11, the outer wall fixedly connected with spring 132 of first fixed block 131, and the quantity of spring 132 sets up to a plurality ofly, fixedly connected with extrusion piece 133 between the outer wall of a plurality of springs 132, the bottom fixedly connected with jack catch 135 of extrusion piece 133, and the quantity of jack catch 135 sets up to a plurality ofly, the outer wall fixedly connected with button 134 of extrusion piece 133, the outer wall of button 134 and the outer wall swing joint of upper cover 11.
Sealing mechanism 2 includes accepts board 25, accept the bottom of board 25 joint in upper cover 11, accept the outer wall of board 25 and offered card hole 21, and the quantity of card hole 21 sets up to a plurality of, the inner wall of card hole 21 and the outer wall joint of jack catch 135, accept the outer wall fixedly connected with of board 25 and down pipe 22, and the quantity of pipe 22 sets up to two down, the top fixedly connected with rubber waterproof strip 23 of accepting board 25, accept the inner wall of board 25 and offered last caulking groove 24 and lower caulking groove 26, the inner wall fixedly connected with sealing block 27 and the second fixed block 28 of board 25, the quantity of second fixed block 28 sets up to two sets of, the outer wall fixedly connected with extrusion chamber board 29 of second fixed block 28.
In this embodiment, the outlet end and the inlet end of the photovoltaic cable are respectively placed above the two lower round tubes 22, the upper cover 11 is placed in the upper caulking groove 24, the buttons 134 at the two ends of the upper cover 11 are pressed, the pressing block 133 presses the springs 132 to enable the claws 135 to be corresponding to the outer sides of the clamping holes 21, the buttons 134 are released, the claws 135 are clamped with the clamping holes 21, the upper cover 11 is connected with the sealing mechanism 2, and the rubber waterproof strip 23 is pressed between the bearing plate 25 and the upper cover 11, so that the waterproof effect is effectively achieved.
Specifically, the inner wall of the upper cover 11 is fixedly connected with two clamping columns 12, and the number of the clamping columns 12 is two, and the two clamping columns 12 are clamped between the outer walls of the group of extrusion cavity plates 29.
In this embodiment, the clamping posts 12 at two ends of the upper cover 11 are respectively clamped between a group of extrusion cavity plates 29, which plays a role in auxiliary fixation.
Specifically, the outer wall of the upper cover 11 is fixedly connected with an upper circular tube 14 and an adhesive force block 16, the number of the upper circular tube 14 and the number of the adhesive force block 16 are two, the outer wall of the upper circular tube 14 is movably connected with a sealing ring 15, and the outer wall of the upper circular tube 14 is fixedly connected with the outer wall of the lower circular tube 22 through the arranged sealing ring 15.
In this embodiment, after the upper circular tube 14 corresponds to the lower circular tube 22, the photovoltaic cable is fixed by using the sealing ring 15, which plays a role in fixing the photovoltaic cable.
Specifically, the lower extreme of main part 4 is provided with box body 3, and box body 3 includes fixed subassembly 33, and fixed subassembly 33 fixed mounting is in the bottom of box body 3, and fixed subassembly 33 includes positioning nut 333, and the quantity of positioning nut 333 sets up to a plurality of, and the bottom of a plurality of positioning nuts 333 all is with the inner wall fixed connection of box body 3, and the inner wall threaded connection of positioning nut 333 has screw 332, and screw 332's top fixedly connected with V type twists 331.
In this embodiment, the V-shaped handle 331 is screwed to screw the screw 332 into the positioning nut 333 for fixing, which plays a role in manually screwing the screw 332.
Specifically, the case 3 includes a bottom plate 34, and the bottom plate 34 is fixedly mounted in the middle of the case 3 by a plurality of fixing members 33.
In this embodiment, the base plate 34 is provided to serve as a platform.
Specifically, the top of the bottom plate 34 is fixedly provided with the electric component 32, the electric component 32 includes the circuit board 323, and the number of the circuit boards 323 is set to be a plurality of, the bottom of a plurality of circuit boards 323 is all fixedly connected with the top of the bottom plate 34, the diodes 324 are fixedly connected between every two outer walls of a plurality of circuit boards 323, the top of the circuit board 323 is fixedly connected with the limit post 321 and the wiring terminal 322, and the number of the limit post 321 and the wiring terminal 322 is set to be two groups.
In this embodiment, the outgoing terminal and the incoming terminal of the photovoltaic cable are abutted with the terminal 322 on the circuit board 323 through the limiting post 321, so as to play a role of wiring.
Specifically, the bottom of the bottom plate 34 is fixedly provided with the heat dissipation component 35, the heat dissipation component 35 comprises heat conduction plates 351, the number of the heat conduction plates 351 is multiple, the tops of the heat conduction plates 351 are fixedly connected with the bottom of the bottom plate 34, heat dissipation fins 352 are fixedly connected between the bottoms of the heat conduction plates 351, the outer walls of the heat dissipation fins 352 are fixedly connected with graphene coating plates 353, heat dissipation holes 354 are formed in the outer walls of the graphene coating plates 353, and the number of the heat dissipation holes 354 is multiple.
In this embodiment, the heat generated in the heat dissipating component 35 is conducted to the graphene coated plate 353 by the heat conducting plate 351 through the heat dissipating fins 352, and then dissipated out through the heat dissipating holes 354, so as to play a role in heat dissipation.
Specifically, the outer wall of the box body 3 is provided with a waterproof groove 31, and the inner wall of the waterproof groove 31 is clamped with the outer wall of the sealing block 27.
In this embodiment, the sealing block 27 on the receiving plate 25 is clamped with the waterproof groove 31, so as to play a role in sealing and connecting the box body 3 and the sealing mechanism 2.
The working principle and the using flow of the invention are as follows: during assembly, the electric component 32 and the heat dissipation component 35 are respectively arranged at the top and the bottom of the bottom plate 34, and heat generated in the heat dissipation component 35 is conducted to the graphene coating plate 353 by the heat conduction plate 351 through the heat dissipation fins 352 and then dissipated by the heat dissipation holes 354; put into box 3, the bottom plate 34 is put above a plurality of locating nuts 333, twist the V-shaped twist 331 and screw the screw 332 into the locating nut 333 to fix; the lower caulking groove 26 of the sealing mechanism 2 is embedded into the box body 3, and the sealing block 27 on the bearing plate 25 is clamped corresponding to the waterproof groove 31, so that the box body 3 and the sealing mechanism 2 are connected; the wire outlet end and the wire inlet end of the photovoltaic cable are respectively placed above the two lower round tubes 22, pass through the limit post 321 and are in butt joint with the wire terminal 322 on the circuit board 323; putting the upper cover 11 into the upper caulking groove 24, pressing the buttons 134 at the two ends of the upper cover 11, extruding the springs 132 by the extrusion blocks 133 to enable the clamping claws 135 to correspond to the outer sides of the clamping holes 21, loosening the buttons 134, clamping the clamping claws 135 with the clamping holes 21, and simultaneously clamping the clamping columns 12 at the two ends of the upper cover 11 between a group of extrusion cavity plates 29 respectively, thereby completing connection between the upper cover 11 and the sealing mechanism 2, and extruding the rubber waterproof strips 23 between the bearing plate 25 and the upper cover 11, so that the waterproof effect is effectively achieved; after the upper circular tube 14 corresponds to the lower circular tube 22, the photovoltaic cable is fixed by using the sealing ring 15, and the assembly is completed.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (1)
1. The utility model provides a novel modular assembled photovoltaic terminal box, includes card lid mechanism (1), sealing mechanism (2) and main part (4), its characterized in that: the clamping cover mechanism (1) is arranged at the upper end of the main body (4), and the sealing mechanism (2) is arranged in the middle of the main body (4);
the clamping cover mechanism (1) comprises an upper cover (11), wherein the upper cover (11) is arranged at the top of a main body (4), the inner wall of the upper cover (11) is fixedly connected with clamping assemblies (13), the number of the clamping assemblies (13) is two, the clamping assemblies (13) comprise first fixing blocks (131), the first fixing blocks (131) are fixedly arranged on the inner wall of the upper cover (11), springs (132) are fixedly connected to the outer wall of the first fixing blocks (131), the number of the springs (132) is multiple, extrusion blocks (133) are fixedly connected between the outer walls of the springs (132), the bottom of each extrusion block (133) is fixedly connected with a jaw (135), the number of the jaws (135) is multiple, the outer walls of the extrusion blocks (133) are fixedly connected with buttons (134), and the outer walls of the buttons (134) are movably connected with the outer walls of the upper cover (11);
the sealing mechanism (2) comprises a bearing plate (25), the bearing plate (25) is clamped at the bottom of the upper cover (11), clamping holes (21) are formed in the outer wall of the bearing plate (25), the number of the clamping holes (21) is multiple, the inner wall of the clamping holes (21) is clamped with the outer wall of the clamping jaw (135), the outer wall of the bearing plate (25) is fixedly connected with a lower circular tube (22), the number of the lower circular tube (22) is two, the top of the bearing plate (25) is fixedly connected with a rubber waterproof strip (23), an upper caulking groove (24) and a lower caulking groove (26) are formed in the inner wall of the bearing plate (25), sealing blocks (27) and second fixing blocks (28) are fixedly connected to the inner wall of the bearing plate (25), the number of the second fixing blocks (28) is two, and the outer wall of the second fixing blocks (28) is fixedly connected with an extrusion cavity plate (29);
the sealing block (27) on the bearing plate (25) is clamped corresponding to the waterproof groove (31), so that the sealing connection box body (3) and the sealing mechanism (2) are realized;
the inner wall of the upper cover (11) is fixedly connected with two clamping columns (12), and the two clamping columns (12) are clamped between the outer walls of a group of extrusion cavity plates (29);
the outer wall of the upper cover (11) is fixedly connected with an upper circular tube (14) and an adhesive force block (16), the number of the upper circular tube (14) and the number of the adhesive force block (16) are two, the outer wall of the upper circular tube (14) is movably connected with a sealing ring (15), and the outer wall of the upper circular tube (14) is fixedly connected with the outer wall of the lower circular tube (22) through the arranged sealing ring (15);
the box body (3) comprises a bottom plate (34), and the bottom plate (34) is fixedly arranged in the middle of the box body (3) through a plurality of fixed assemblies (33);
the top of the bottom plate (34) is fixedly provided with an electric element assembly (32), the electric element assembly (32) comprises a plurality of circuit boards (323), the circuit boards (323) are arranged in number, the bottoms of the circuit boards (323) are fixedly connected with the top of the bottom plate (34), diodes (324) are fixedly connected between the outer walls of the circuit boards (323), the tops of the circuit boards (323) are fixedly connected with limiting columns (321) and wiring terminals (322), and the limiting columns (321) and the wiring terminals (322) are arranged into two groups;
the bottom of the bottom plate (34) is fixedly provided with a heat dissipation assembly (35), the heat dissipation assembly (35) comprises a plurality of heat conduction plates (351), the number of the heat conduction plates (351) is multiple, the tops of the heat conduction plates (351) are fixedly connected with the bottom of the bottom plate (34), heat dissipation fins (352) are fixedly connected between the bottoms of the heat conduction plates (351), the outer walls of the heat dissipation fins (352) are fixedly connected with graphene coating plates (353), heat dissipation holes (354) are formed in the outer walls of the graphene coating plates (353), and the number of the heat dissipation holes (354) is multiple;
the outer wall of the box body (3) is provided with a waterproof groove (31), and the inner wall of the waterproof groove (31) is clamped with the outer wall of the sealing block (27);
the lower extreme of main part (4) is provided with box body (3), box body (3) include fixed subassembly (33), fixed subassembly (33) fixed mounting is in the bottom of box body (3), fixed subassembly (33) include locating nut (333), just the quantity of locating nut (333) sets up to a plurality of, a plurality of the bottom of locating nut (333) all with the inner wall fixed connection of box body (3), the inner wall threaded connection of locating nut (333) has screw (332), the top fixedly connected with V type twist (331) of screw (332);
the bottom plate (34) is arranged above the positioning nuts (333), and the V-shaped twisting handle (331) is twisted to screw the screws (332) into the positioning nuts (333) for fixation; the lower caulking groove (26) of the sealing mechanism (2) is embedded into the box body (3), and the sealing block (27) on the bearing plate (25) is clamped corresponding to the waterproof groove (31), so that the box body (3) and the sealing mechanism (2) are connected; respectively placing the wire outlet end and the wire inlet end of the photovoltaic cable above the two lower round tubes (22), and passing through the limit post (321) to be in butt joint with the wire connection end (322) on the circuit board (323); putting the upper cover (11) into the upper caulking groove (24), pressing the buttons (134) at the two ends of the upper cover (11), extruding the springs (132) by the extrusion blocks (133), enabling the clamping claws (135) to correspond to the outer sides of the clamping holes (21), loosening the buttons (134), clamping the clamping claws (135) to the clamping holes (21), and simultaneously enabling the clamping columns (12) at the two ends of the upper cover (11) to be respectively clamped between a group of extrusion cavity plates (29), so that the upper cover (11) is connected with the sealing mechanism (2), and the rubber waterproof strips (23) are extruded between the bearing plates (25) and the upper cover (11), so that a waterproof effect is effectively achieved; after the upper circular tube (14) corresponds to the lower circular tube (22), the photovoltaic cable is fixed by using the sealing ring (15), and the assembly is completed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310733378.1A CN116979888B (en) | 2023-06-20 | 2023-06-20 | Novel modular assembled photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310733378.1A CN116979888B (en) | 2023-06-20 | 2023-06-20 | Novel modular assembled photovoltaic junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
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| CN217406487U (en) * | 2021-12-31 | 2022-09-09 | 苏州达塔库自动化科技有限公司 | Junction box for ultrathin photovoltaic module |
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| CN217849365U (en) * | 2022-04-18 | 2022-11-18 | 扬州朗日新能源科技有限公司 | Split type terminal box for solar photovoltaic module |
| CN218161752U (en) * | 2022-09-30 | 2022-12-27 | 莒南县美达电力实业有限公司 | Cable connection protector for power engineering |
| CN218678333U (en) * | 2022-08-24 | 2023-03-21 | 江苏霍利森电子科技有限公司 | Terminal box with dampproofing structure |
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| CN102104348B (en) * | 2009-12-22 | 2013-04-17 | 泰科电子(上海)有限公司 | Solar photovoltaic junction box component |
| US8998635B2 (en) * | 2011-07-05 | 2015-04-07 | Hon Hai Precision Industry Co., Ltd. | Junction box for photovoltaic module |
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| CN202217681U (en) * | 2011-09-09 | 2012-05-09 | 宁波市柯玛士太阳能科技有限公司 | Photovoltaic junction box |
| CN216290840U (en) * | 2021-11-20 | 2022-04-12 | 嘉兴阿特斯阳光新材料科技有限公司 | Novel photovoltaic terminal box of high reliability |
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| CN217849365U (en) * | 2022-04-18 | 2022-11-18 | 扬州朗日新能源科技有限公司 | Split type terminal box for solar photovoltaic module |
| CN218678333U (en) * | 2022-08-24 | 2023-03-21 | 江苏霍利森电子科技有限公司 | Terminal box with dampproofing structure |
| CN115314000A (en) * | 2022-08-26 | 2022-11-08 | 苏州春亿光伏有限公司 | Combined photovoltaic junction box |
| CN218161752U (en) * | 2022-09-30 | 2022-12-27 | 莒南县美达电力实业有限公司 | Cable connection protector for power engineering |
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| CN116979888A (en) | 2023-10-31 |
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