CN115314000A - Combined photovoltaic junction box - Google Patents
Combined photovoltaic junction box Download PDFInfo
- Publication number
- CN115314000A CN115314000A CN202211031887.1A CN202211031887A CN115314000A CN 115314000 A CN115314000 A CN 115314000A CN 202211031887 A CN202211031887 A CN 202211031887A CN 115314000 A CN115314000 A CN 115314000A
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- China
- Prior art keywords
- box body
- sealing
- heat dissipation
- photovoltaic junction
- groove
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000007789 sealing Methods 0.000 claims abstract description 85
- 230000017525 heat dissipation Effects 0.000 claims description 55
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 23
- 229910052802 copper Inorganic materials 0.000 claims description 23
- 239000010949 copper Substances 0.000 claims description 23
- 239000004020 conductor Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- 239000000741 silica gel Substances 0.000 claims description 6
- 229910002027 silica gel Inorganic materials 0.000 claims description 6
- 239000004576 sand Substances 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 2
- 238000000576 coating method Methods 0.000 claims description 2
- 238000012423 maintenance Methods 0.000 abstract description 7
- 239000003292 glue Substances 0.000 abstract description 2
- 238000005429 filling process Methods 0.000 abstract 1
- 238000009413 insulation Methods 0.000 description 7
- 230000002035 prolonged effect Effects 0.000 description 4
- 238000009423 ventilation Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 210000003484 anatomy Anatomy 0.000 description 2
- 230000008859 change Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
Images
Classifications
-
- 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
- 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
- H02S40/345—Electrical components comprising specially adapted electrical connection means to be structurally associated with the PV module, e.g. junction boxes with cooling means associated with the electrical connection means, e.g. cooling means associated with or applied to the junction box
-
- 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
Landscapes
- Photovoltaic Devices (AREA)
Abstract
The invention discloses a combined photovoltaic junction box, which relates to the field of photovoltaic junction boxes and comprises a lower box body and an upper box body, wherein the left side and the right side of the lower box body and the upper box body are respectively fixed with a semicircular pipe, the outer sides of the upper semicircular pipe and the lower semicircular pipe are sleeved with a locking sleeve, and a sealing assembly is arranged between the edges of the lower box body and the upper box body; the sealing assembly comprises two sealing pieces and sealing columns, the sealing pieces are symmetrically arranged between the edges of the lower box body and the upper box body, an upper sealing groove is formed in the upper side of each sealing piece, a lower sealing groove is formed in the lower side of each sealing piece, and the sealing columns are nested between the upper half pipes and the lower half pipes. According to the invention, the lower box body and the upper box body are sealed and waterproof through the sealing assembly, the sealing and waterproof performance is excellent, the glue filling process is saved, the cost of the solar photovoltaic assembly is integrally reduced, meanwhile, the later-stage disassembly, maintenance and assembly are facilitated, and the maintenance cost is reduced.
Description
Technical Field
The invention relates to the field of photovoltaic junction boxes, in particular to a combined photovoltaic junction box.
Background
The photovoltaic junction box is a connector between the solar panel and the solar charging control device. The photovoltaic module junction box mainly comprises a junction box and a connector, and has the main functions of connecting and protecting the solar photovoltaic module and conducting current generated by the photovoltaic module for a user to use.
At present, the mode that adopts the encapsulating between the last box body of traditional combination formula photovoltaic terminal box and the lower box body seals to fix last box body and lower box body through the bolt, make the sealed fixed of going up between box body and the lower box body very inconvenient, detect the change back to the inside diode of combination formula photovoltaic terminal box at every turn simultaneously, need the encapsulating again sealed, increased cost of maintenance.
Therefore, it is necessary to invent a combined photovoltaic junction box to solve the above problems.
Disclosure of Invention
The invention aims to provide a combined photovoltaic junction box, which aims to solve the problems that the sealing and fixing between an upper box body and a lower box body are very inconvenient, and the maintenance cost is increased because glue needs to be poured and sealed again after a diode in the combined photovoltaic junction box is detected and replaced every time.
In order to achieve the above purpose, the invention provides the following technical scheme: a combined photovoltaic junction box comprises a lower box body and an upper box body, wherein a heat dissipation cavity is formed in the lower portion of the lower box body, a mounting groove is formed in the upper side of the lower box body, a plurality of electric conductors are mounted inside the mounting groove, a diode is connected between every two adjacent electric conductors, semicircular pipes are fixed to the left side and the right side of the lower box body and the upper box body respectively, a cable is nested between the upper semicircular pipe and the lower semicircular pipe, one end, extending into the mounting groove, of the cable is connected with the electric conductors close to the cable, locking sleeves are sleeved on the outer sides of the upper semicircular pipe and the lower semicircular pipe together, and a sealing assembly is arranged between the edges of the lower box body and the upper box body;
the sealing assembly comprises two sealing elements and sealing columns, the sealing elements are symmetrically arranged between the edges of the lower box body and the upper box body, the upper sealing groove is formed in the upper side of each sealing element, the lower sealing groove is formed in the lower side of each sealing element, the waterproof grooves are formed in the side walls of the lower box body and the upper box body, the sealing convex strips are arranged at the positions, corresponding to the waterproof grooves, of the inner walls of the upper sealing groove and the lower sealing groove, the sealing columns are nested between the upper half pipes and the lower half pipes, and the sealing columns are sleeved on the cables.
Preferably, the lower side edge of the upper box body is nested in the upper sealing groove, and the upper side edge of the lower box body is nested in the lower sealing groove, so that the sealing element can be conveniently installed, and meanwhile, the sealing performance is improved.
Preferably, the sealing member is made of silica gel materials, the sealing raised line is nested in the waterproof groove, the sealing performance is improved, and therefore the waterproof performance is improved.
Preferably, the sealing column is made of silica gel materials, the upper half and the lower half are fixed with limit blocks on the inner walls of the semicircular tubes, limit grooves are formed in positions, corresponding to the limit blocks, on the sealing column, the limit blocks are embedded in the limit grooves, the sealing column can be firmly fixed between the upper half and the lower half, and the installation stability of the sealing column is improved.
Preferably, the through-hole has been seted up at the middle part of sealed post, the cable runs through the through-hole, the inner wall of through-hole is equidistant to be fixed with annular gasket, annular gasket's inner wall is inconsistent with the surface of cable, has improved the sealing performance between sealed post and the cable, has improved the leakproofness.
Preferably, two from top to bottom the hollow post of screw thread is constituteed to the semicircle pipe, the inner wall of locking sleeve be provided with the hollow post of screw thread outer wall screw thread assorted internal thread, locking sleeve screw thread cup joints on the hollow post of screw thread, the equidistant lug that is fixed with in the outside of locking sleeve for two semicircle union couplings are in the same place from top to bottom, thereby make go up the box body and link together with lower box body.
Preferably, the heat dissipation cavity is located below the mounting groove, and the front side, the rear side, the left side and the right side of the heat dissipation cavity are provided with openings, so that the ventilation performance of the heat dissipation cavity is excellent, and heat dissipation of the heat dissipation cavity is facilitated.
Preferably, the bottom wall of mounting groove is inlayed in the position that corresponds the diode and is had radiator unit, radiator unit's upside is contradicted with the diode, radiator unit's downside extends to the heat dissipation intracavity, distributes away the heat of diode through radiator unit, strengthens the heat-sinking capability of diode.
Preferably, radiator unit is including thermal-insulated frame, thermal-insulated frame's inside is fixed with the heat conduction copper sheet, the last side and the diode of heat conduction copper sheet are contradicted, the last side coating of heat conduction copper sheet has the insulating layer, the bottom of heat conduction copper sheet is fixed with the fin, the fin nestification is in the heat dissipation intracavity, the quantity of fin is provided with a plurality ofly, and is a plurality of the fin is the bottom of rectangle array distribution at the heat conduction copper sheet, and the heat on the diode is absorbed to the heat conduction copper sheet distributes away through the fin, is favorable to the heat dissipation of diode.
Preferably, the four corners of the mounting groove are provided with positioning holes, the bottom of the upper box body is fixed with positioning columns corresponding to the positioning holes, and the positioning columns are matched with the positioning holes, so that the upper box body and the lower box body can be accurately aligned when closed, and the upper box body and the lower box body can be conveniently fixed.
In the technical scheme, the invention provides the following technical effects and advantages:
1. by arranging the locking sleeve and the sealing assembly, after the upper box body and the lower box body are closed, the locking sleeve is sleeved on the semicircular pipes on two sides of the upper box body and the lower box body, so that the upper box body and the lower box body are simple to connect and convenient to detach;
2. the lower part of the lower box body is provided with the heat dissipation cavity, and the front side, the rear side, the left side and the right side of the heat dissipation cavity are provided with the openings, so that ventilation and heat dissipation are facilitated, and meanwhile, heat generated by heating of the diode cannot be transferred to the photovoltaic module, so that the photovoltaic module is effectively protected, and the service life of the photovoltaic module is prolonged;
3. the heat dissipation assembly is embedded in the bottom wall of the mounting groove at a position corresponding to the diode, so that the heat of the diode is dissipated through the heat dissipation assembly, the heat dissipation capability of the diode is enhanced, the temperature in use is effectively reduced, and the service life of the whole body is prolonged;
4. the heat insulation frame is arranged on the outer side of the heat conduction copper sheet, so that the influence of high temperature on the lower box body during heat conduction is reduced, and the lower box body is prevented from being burnt out at high temperature.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to these drawings.
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of an upper case of the present invention;
FIG. 3 is a schematic view of the lower case of the present invention;
FIG. 4 is a lower box anatomy of the present invention;
FIG. 5 is a schematic view of a seal of the present invention;
FIG. 6 is a seal anatomy of the present invention;
FIG. 7 is a perspective view of the sealing post of the present invention;
FIG. 8 is a schematic view of a heat sink assembly of the present invention;
fig. 9 is a cross-sectional view of a heat dissipation assembly of the present invention.
Description of the reference numerals:
1. a lower box body; 2. an upper box body; 3. a heat dissipation cavity; 4. mounting grooves; 5. an electrical conductor; 6. a diode; 7. a semicircular tube; 8. a cable; 9. a locking sleeve; 10. a seal member; 11. sealing the column; 12. an upper seal groove; 13. a lower seal groove; 14. a waterproof groove; 15. sealing the convex strips; 16. a limiting block; 17. a limiting groove; 18. a heat dissipating component; 19. a heat insulation frame; 20. a thermally conductive copper sheet; 21. an insulating layer; 22. a heat sink; 23. positioning holes; 24. a positioning column; 25. a through hole; 26. an annular gasket.
Detailed Description
In order to make the technical solutions of the present invention better understood, those skilled in the art will now describe the present invention in further detail with reference to the accompanying drawings.
The invention provides a combined photovoltaic junction box as shown in figures 1 to 7, which comprises a lower box body 1 and an upper box body 2, wherein the upper side of the lower box body 1 is provided with a mounting groove 4, a plurality of electric conductors 5 are mounted inside the mounting groove 4, a diode 6 is connected between every two adjacent electric conductors 5, the left side and the right side of the lower box body 1 and the upper box body 2 are respectively fixed with a semicircular tube 7, a cable 8 is nested between the upper semicircular tube 7 and the lower semicircular tube 7, one end of the cable 8 extending into the mounting groove 4 is connected with the electric conductors 5 close to the cable 8, the outer sides of the upper semicircular tube 7 and the lower semicircular tube 7 are jointly sleeved with a locking sleeve 9, the upper semicircular tube 7 and the lower semicircular tube 7 form a threaded hollow column, the inner wall of the locking sleeve 9 is provided with an internal thread matched with the thread of the outer wall of the threaded hollow column, the locking sleeve 9 is sleeved on the threaded hollow column, so that the upper semicircular tube 7 and the lower box body 1 are connected together, bumps are fixed at equal intervals outside the locking sleeve 9, the friction force between the locking sleeve 9 and a hand is increased, and the locking sleeve 9 is convenient to rotate.
Locating hole 23 has all been seted up in the four corners of mounting groove 4, and the bottom of going up box body 2 corresponds the position fixing of locating hole 23 and has reference column 24, and reference column 24 and locating hole 23 phase-match for can accurately align when going up box body 2 and lower box body 1 and closing, thereby be convenient for go up box body 2 and lower box body 1 between fixed.
Be provided with seal assembly down between the edge of box body 1 and last box body 2, seal assembly includes two sealing members 10 and sealing post 11, two sealing members 10 symmetry are installed under between the edge of box body 1 and last box body 2, last seal groove 12 has been seted up to the upside of sealing member 10, seal groove 13 has been seted up down to the downside of sealing member 10, go up the lower side edge of box body 2 and nest in last seal groove 12, the upside edge of box body 1 is nested under in seal groove 13 down, be convenient for the installation of sealing member 10, sealing performance has been improved simultaneously, waterproof groove 14 has all been seted up to the lateral wall of lower box body 1 and last box body 2, the position that the inner wall of going up seal groove 12 and lower seal groove 13 corresponds waterproof groove 14 is provided with sealed sand grip 15, sealing member 10 adopts silica gel material processing to make, sealed sand grip 15 nestification is in waterproof groove 14, make sealing member 10 install stably, the leakproofness has been improved, thereby waterproof performance has been improved.
Sealing post 11 nestification is between two upper and lower semicircle pipes 7, sealing post (11) cup joint on cable (8), the inner wall of two upper and lower semicircle pipes 7 all is fixed with stopper 16, limiting groove 17 has been seted up to the position that corresponds stopper 16 on the sealing post 11, sealing post 11 adopts the silica gel material processing to make, stopper 16 nestification is in limiting groove 17, can be with firm the fixing between two upper and lower semicircle pipes 7 of sealing post 11, the stability of sealing post 11 installation has been improved, through-hole 25 has been seted up at sealing post 11's middle part, cable 8 runs through-hole 25, the inner wall equidistant annular gasket 26 that is fixed with of through-hole 25, the inner wall of annular gasket 26 is inconsistent with cable 8's surface, sealing performance between sealing post 11 and the cable 8 has been improved, the leakproofness has been improved.
When the lower box body 1 and the upper box body 2 are closed, the sealing element 10 is sleeved on the edge of the lower box body 1 through the lower sealing groove 13 at the bottom, the sealing column 11 is placed on the semicircular pipe 7 on the lower box body 1, the limiting groove 17 on the sealing column 11 is sleeved on the limiting block 16 on the semicircular pipe 7, the positioning column 24 at the bottom of the upper box body 2 is aligned with the positioning hole 23 in the lower box body 1, then the positioning column 24 is nested in the positioning hole 23, the lower edge of the upper box body 2 is nested in the upper sealing groove 12 on the sealing element 10, the outer side wall of the sealing element 10 is extruded, the sealing convex strips 15 in the upper sealing groove 12 and the lower sealing groove 13 are nested in the corresponding waterproof grooves 14 on the upper box body 2 and the lower box body 1, and the sealing performance between the lower box body 1 and the upper box body 2 is improved, the hollow post of screw thread that two upper and lower semicircle pipes 7 are constituteed is cup jointed to locking sleeve 9 screw thread again, realize going up box body 2 and lower box body 1 fixed, two upper and lower semicircle pipes 7 extrusion seal post 11, seal post 11 extrudees cable 8, make the leakproofness between cable 8 and the semicircle pipe 7 good through seal post 11, it is simple to assemble between lower box body 1 and the last box body 2, the later stage of being convenient for simultaneously dismantles the maintenance, and carry out sealed waterproof through seal assembly between this combination formula photovoltaic terminal box's lower box body 1 and the last box body 2, sealing waterproof performance is superior, the encapsulating process has been practiced thrift simultaneously, the cost of solar PV modules has wholly been reduced, the later stage's of being convenient for dismantlement maintenance and equipment simultaneously, maintenance cost is reduced.
As shown in fig. 4, 8 and 9, the lower portion of the lower box body 1 is provided with a heat dissipation chamber 3, the heat dissipation chamber 3 is located below the mounting groove 4, and the front, rear, left and right sides of the heat dissipation chamber 3 are provided with openings, so that the ventilation performance of the heat dissipation chamber 3 is excellent, and the heat dissipation chamber 3 is convenient to dissipate heat.
The bottom wall of the mounting groove 4 is inlaid with a heat dissipation assembly 18 corresponding to the position of the diode 6, the upper side of the heat dissipation assembly 18 is abutted against the diode 6, the lower side of the heat dissipation assembly 18 extends into the heat dissipation cavity 3, heat of the diode 6 is dissipated through the heat dissipation assembly 18, and the heat dissipation capacity of the diode 6 is enhanced.
The heat dissipation assembly 18 comprises a heat insulation frame 19, a heat conduction copper sheet 20 is fixed inside the heat insulation frame 19, the upper side face of the heat conduction copper sheet 20 is abutted to the diode 6, an insulation layer 21 is coated on the upper side face of the heat conduction copper sheet 20, heat dissipation fins 22 are fixed at the bottom of the heat conduction copper sheet 20, the heat dissipation fins 22 are nested in the heat dissipation cavity 3, the number of the heat dissipation fins 22 is multiple, the heat dissipation fins 22 are distributed at the bottom of the heat conduction copper sheet 20 in a rectangular array mode, the heat conduction copper sheet 20 absorbs heat on the diode 6 and is dissipated through the heat dissipation fins 22, and heat dissipation of the diode 6 is facilitated.
The heat dissipation cavity 3 is formed in the lower portion of the lower box body 1, the diode 6 inside the lower box body 1 is isolated from the photovoltaic assembly, heat generated by the diode 6 cannot be transmitted to the photovoltaic assembly, the photovoltaic assembly is effectively protected, the service life of the photovoltaic assembly is prolonged, meanwhile, the heat dissipation assembly 18 is embedded in the position, corresponding to the diode 6, of the bottom wall of the mounting groove 4, the heat dissipation assembly 18 is composed of a heat insulation frame 19, a heat conduction copper sheet 20 and heat dissipation fins 22, the heat conduction copper sheet 20 is in contact with the diode 6, the heat conduction copper sheet 20 can transmit the heat of the diode 6 to the heat dissipation fins 22, the heat dissipation fins 22 emit the heat into the heat dissipation cavity 3, the heat dissipation capacity of the diode 6 is enhanced, the temperature during use is effectively reduced, the service life of the whole body is prolonged, the front side, the left side, the right side, the front side, the right side, the left side and the right side of the heat dissipation cavity 3 are provided with openings, the ventilation performance of the heat dissipation cavity 3 is superior, the heat dissipation of the heat dissipation cavity 3 is facilitated, the heat dissipation is achieved by the heat conduction copper sheet 20 and the wall of the lower box body 1 through the heat insulation frame 19, the influence of the high temperature on the lower box body 1 during heat conduction is reduced, and the high temperature caused by the high temperature during heat conduction is avoided from burning out of the lower box body 1.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (10)
1. The utility model provides a modular photovoltaic terminal box, includes box body (1) and last box body (2) down, its characterized in that: the heat dissipation device is characterized in that a heat dissipation cavity (3) is formed in the lower portion of the lower box body (1), a mounting groove (4) is formed in the upper side of the lower box body (1), a plurality of electric conductors (5) are mounted inside the mounting groove (4), a diode (6) is connected between every two adjacent electric conductors (5), semicircular pipes (7) are fixed to the left side and the right side of the lower box body (1) and the upper box body (2), a cable (8) is nested between the upper semicircular pipe and the lower semicircular pipe (7), one end, extending into the mounting groove (4), of the cable (8) is connected with the electric conductor (5) close to the cable, locking sleeves (9) are sleeved on the outer sides of the upper semicircular pipe and the lower semicircular pipe (7) together, and a sealing assembly is arranged between the edges of the lower box body (1) and the upper box body (2);
sealing assembly includes two sealing member (10) and sealed post (11), two sealing member (10) symmetry is installed under between the edge of box body (1) and last box body (2), last seal groove (12) have been seted up to the upside of sealing member (10), seal groove (13) have been seted up down to the downside of sealing member (10), waterproof slot (14) have all been seted up to the lateral wall of box body (1) and last box body (2) down, the position that the inner wall of going up seal groove (12) and lower seal groove (13) corresponds waterproof slot (14) is provided with sealed sand grip (15), sealed post (11) nestification is two from top to bottom between semicircle pipe (7), sealed post (11) cup joints on cable (8).
2. The modular photovoltaic junction box of claim 1, wherein: the lower side edge of the upper box body (2) is nested in the upper sealing groove (12), and the upper side edge of the lower box body (1) is nested in the lower sealing groove (13).
3. The modular photovoltaic junction box of claim 1, wherein: the sealing element (10) is made of silica gel materials, and the sealing convex strips (15) are embedded in the waterproof grooves (14).
4. The modular photovoltaic junction box of claim 1, wherein: sealing column (11) adopt the processing of silica gel material to make, two from top to bottom the inner wall of semicircle pipe (7) all is fixed with stopper (16), spacing groove (17) have been seted up to the position that corresponds stopper (16) on sealing column (11), stopper (16) nestification is in spacing groove (17).
5. The modular photovoltaic junction box of claim 1, wherein: through-hole (25) have been seted up at the middle part of sealed post (11), cable (8) run through-hole (25), the inner wall of through-hole (25) is equidistant to be fixed with annular gasket (26), the inner wall of annular gasket (26) is inconsistent with the surface of cable (8).
6. The modular photovoltaic junction box of claim 1, wherein: the upper half pipe and the lower half pipe (7) form a threaded hollow column, the inner wall of the locking sleeve (9) is provided with an internal thread matched with the external wall thread of the threaded hollow column, the locking sleeve (9) is sleeved on the threaded hollow column in a threaded manner, and lugs are fixed on the outer side of the locking sleeve (9) at equal intervals.
7. The modular photovoltaic junction box of claim 1, wherein: the heat dissipation cavity (3) is located below the mounting groove (4), and openings are formed in the front, the rear, the left and the right of the heat dissipation cavity (3).
8. The modular photovoltaic junction box of claim 1, wherein: the bottom wall of mounting groove (4) is inlayed in the position that corresponds diode (6) and is had radiator unit (18), radiator unit's (18) upside and diode (6) are contradicted, radiator unit's (18) downside extends to in the heat dissipation chamber (3).
9. The modular photovoltaic junction box of claim 8, wherein: radiating component (18) are including thermal-insulated frame (19), the inside of thermal-insulated frame (19) is fixed with heat conduction copper sheet (20), the last side of heat conduction copper sheet (20) is contradicted with diode (6), the last side coating of heat conduction copper sheet (20) has insulating layer (21), the bottom of heat conduction copper sheet (20) is fixed with fin (22), fin (22) nestification is in heat dissipation chamber (3), the quantity of fin (22) is provided with a plurality ofly, and is a plurality of fin (22) are the bottom of rectangular array distribution at heat conduction copper sheet (20).
10. The modular photovoltaic junction box of claim 1, wherein: locating holes (23) are formed in four corners of the mounting groove (4), locating columns (24) are fixed at the positions, corresponding to the locating holes (23), of the bottom of the upper box body (2), and the locating columns (24) are matched with the locating holes (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031887.1A CN115314000A (en) | 2022-08-26 | 2022-08-26 | Combined photovoltaic junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211031887.1A CN115314000A (en) | 2022-08-26 | 2022-08-26 | Combined photovoltaic junction box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115314000A true CN115314000A (en) | 2022-11-08 |
Family
ID=83863939
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211031887.1A Pending CN115314000A (en) | 2022-08-26 | 2022-08-26 | Combined photovoltaic junction box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115314000A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979888A (en) * | 2023-06-20 | 2023-10-31 | 浙江弗沙朗能源股份有限公司 | Novel modular assembled photovoltaic junction box |
-
2022
- 2022-08-26 CN CN202211031887.1A patent/CN115314000A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116979888A (en) * | 2023-06-20 | 2023-10-31 | 浙江弗沙朗能源股份有限公司 | Novel modular assembled photovoltaic junction box |
| CN116979888B (en) * | 2023-06-20 | 2024-04-02 | 浙江弗沙朗能源股份有限公司 | Novel modular assembled photovoltaic junction box |
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