CN221354264U - Junction box for photovoltaic power generation system - Google Patents
Junction box for photovoltaic power generation system Download PDFInfo
- Publication number
- CN221354264U CN221354264U CN202323208962.XU CN202323208962U CN221354264U CN 221354264 U CN221354264 U CN 221354264U CN 202323208962 U CN202323208962 U CN 202323208962U CN 221354264 U CN221354264 U CN 221354264U
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- China
- Prior art keywords
- box body
- lower box
- power generation
- generation system
- photovoltaic power
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- 238000010248 power generation Methods 0.000 title claims abstract description 22
- 238000007789 sealing Methods 0.000 claims abstract description 9
- 230000000149 penetrating effect Effects 0.000 claims description 6
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 claims description 3
- 239000003063 flame retardant Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 230000000712 assembly Effects 0.000 claims 1
- 238000000429 assembly Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 abstract description 8
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000013459 approach Methods 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 3
- 238000010030 laminating Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
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- Photovoltaic Devices (AREA)
Abstract
The utility model relates to the technical field of junction boxes, in particular to a junction box for a photovoltaic power generation system, which comprises a lower box body, a top cover and a sealing ring, wherein the top cover is arranged at the top of the lower box body, and the sealing ring is arranged at the edge of the joint of the lower box body and the top cover; the front side of the lower box body is provided with a locking sleeve for fixing the cable; the upper box body is characterized in that fastening components for fixing the top cover are symmetrically arranged on the left side and the right side of the upper box body, an inserting block is arranged in the middle of the left side and the right side of the top cover, and a slot is formed in the lower end of the inserting block. According to the utility model, the locking sleeve is arranged, so that the cable is conveniently and rapidly fixed, and the installation efficiency is improved; according to the utility model, the fastening assembly is arranged, so that the top cover can be quickly installed and detached, and the maintenance of components in the junction box is facilitated.
Description
Technical Field
The utility model relates to the technical field of junction boxes, in particular to a junction box for a photovoltaic power generation system.
Background
The sealing of binding post is realized through the joint of panel and base in the current terminal box technique, the cable passes the trompil and extends to the cavity in with binding post electricity be connected, in the windy weather, the cable produces certain swing along with the windy, because the cable lacks fixedly, the cable can be free certainly in the trompil, the swing of cable can pull its free end and terminal's junction, terminal department atress, the free end of cable is loose with binding post easily, influence the stability of connection, it can optimize the space certainly, chinese patent discloses a terminal box for photovoltaic power generation system (grant bulletin number CN 219834086U), this patent technique can be through rotating adjusting screw promotes down the push pedal and be close to the limiting plate, the push pedal drives the slider and slides in the slide of guide bar wall, the back symmetry of push pedal sets up two guide bars and slider in order to ensure down the push pedal keeps vertical displacement, push pedal and limiting plate interval is adjustable, but this terminal box is unfavorable for carrying out quick fixation to the cable, be unfavorable for improving installation effectiveness, and terminal box is unfavorable for carrying out quick dismantlement with the inside maintenance device. Accordingly, a junction box for a photovoltaic power generation system is provided by a person skilled in the art to solve the problems set forth in the background art.
Disclosure of utility model
In order to solve the technical problems, the utility model provides a junction box for a photovoltaic power generation system, which comprises a lower box body, a top cover and a sealing ring, wherein the top cover is arranged at the top of the lower box body, and the sealing ring is arranged at the edge of the joint of the lower box body and the top cover;
the front side of the lower box body is provided with a locking sleeve for fixing the cable;
The upper box body is characterized in that fastening components for fixing the top cover are symmetrically arranged on the left side and the right side of the upper box body, an inserting block is arranged in the middle of the left side and the right side of the top cover, and a slot is formed in the lower end of the inserting block.
Preferably: the lower box body and the top cover are made of waterproof and flame-retardant materials, mounting seats are symmetrically arranged on the bottom plate of the inner wall of the lower box body, and mounting holes are formed in the mounting seats.
Preferably: the mounting groove has been seted up at lower box body four sides top, the installation piece that top cap four sides bottom was equipped with the joint of mounting groove laminating.
Preferably: the front side of the lower box body is close to the left end and provided with a first external thread threading pipe penetrating through the lower box body, the front side of the lower box body is close to the right end and provided with a second external thread threading pipe penetrating through the lower box body, and the two external thread threading pipes are provided with locking sleeves.
Preferably: the inner thread that the lock sleeve rear end inner wall was equipped with two external screw thread threading pipe screw-thread fit, just the inside bilateral symmetry of lock sleeve front end is equipped with elasticity locking piece.
Preferably: the diameter of the front end of the elastic locking piece is larger than the diameter of the inner rings of the two external thread threading pipes, the diameter of the front end of the elastic locking piece is larger than the diameter of the rear end of the elastic locking piece, and the diameter of the rear end of the elastic locking piece is larger than the diameter of the cable.
Preferably: the fastening components are provided with two groups, the two groups of fastening components are respectively arranged in the middle of the top ends of the left side and the right side of the lower box body, the fastening components comprise a lock catch, an inserting rod and a spring block, the inner side of the lock catch is fixed in the middle of the top ends of the side surfaces of the lower box body, and the middle of the outer side of the lock catch is provided with an inserting hole.
Preferably: the inserted link slides with the jack laminating, just the inner joint of inserted link and slot laminating, the spring piece inboard is fixed in on the peripheral hasp lateral wall of jack, and spring piece outside and inserted link outer end fixed connection.
The utility model has the technical effects and advantages that:
According to the utility model, the locking sleeve is arranged, after a cable is inserted into the junction box through the external thread threading pipe, the locking sleeve is rotated clockwise to approach the junction box body, meanwhile, the elastic locking piece in the locking sleeve approaches the inside of the external thread threading pipe, when the locking sleeve is rotated, the front end of the elastic locking piece is extruded by the inner wall of the external thread threading pipe, and at the moment, the rear end of the elastic locking piece is extruded to generate plastic deformation, so that the cable is firmly clamped; the locking sleeve is convenient for quickly fixing the cable, so that the installation efficiency is improved;
According to the utility model, when the top cover is installed by arranging the fastening assembly, the inserting blocks at two sides of the top cover are aligned with the lock catches at two sides of the lower box body and are pressed downwards, at the moment, the wedge-shaped surface arranged at the top of the inner side of the inserting rod is extruded by the inserting blocks, so that the inserting rod moves outwards, after the inserting blocks are completely inserted into the lock catches, the inner ends of the inserting blocks are reset and inserted into the inserting holes at the bottom ends of the inserting blocks under the elasticity of the spring blocks, and at the moment, the installation and the fixation of the top cover are completed; when the top cover is disassembled, the inserted rod is pulled outwards, so that the top cover can be directly taken out upwards; the fastening component is convenient to install and detach the top cover rapidly, and is beneficial to maintaining components and parts in the junction box.
Drawings
Fig. 1 is a schematic perspective view of a junction box for a photovoltaic power generation system according to an embodiment of the present application;
fig. 2 is an exploded view of a junction box for a photovoltaic power generation system according to an embodiment of the present application;
Fig. 3 is a schematic diagram of an internal structure of a junction box for a photovoltaic power generation system according to an embodiment of the present application;
FIG. 4 is an enlarged view of a portion of FIG. 3A provided by an embodiment of the present application;
fig. 5 is a schematic structural view of a fastening component in a junction box for a photovoltaic power generation system according to an embodiment of the present application;
fig. 6 is a schematic structural diagram of a locking sleeve in a junction box for a photovoltaic power generation system according to an embodiment of the present application;
fig. 7 is a cross-sectional view of a locking sleeve in a junction box for a photovoltaic power generation system according to an embodiment of the present application.
In the figure:
1. A lower case; 11. a mounting base; 12. a mounting hole; 13. a mounting groove; 14. an external thread threading pipe I; 15. an external thread threading pipe II;
2. a top cover; 21. a mounting block; 22. inserting blocks; 23. a slot;
3. A seal ring;
4. A locking sleeve; 41. an internal thread; 42. an elastic locking piece;
5. A fastening assembly; 51. locking; 511. a jack; 52. a rod; 521. a wedge surface; 53. and a spring block.
Detailed Description
The utility model will be described in further detail with reference to the drawings and the detailed description. The practice of the utility model is shown for the purpose of illustration and description, and is not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiments were chosen and described in order to best explain the principles of the utility model and the practical application, and to enable others of ordinary skill in the art to understand the utility model for various embodiments with various modifications as are suited to the particular use contemplated.
Examples
Referring to fig. 1 to 7, in this embodiment, a junction box for a photovoltaic power generation system is provided, which includes a lower box body 1, a top cover 2, and a sealing ring 3, wherein the top cover 2 is disposed at the top of the lower box body 1, and the sealing ring 3 is mounted at the edge of the junction between the lower box body 1 and the top cover 2; the front side of the lower box body 1 is provided with a locking sleeve 4 for fixing a cable; the left and right sides symmetry of lower box body 1 is equipped with the fastening assembly 5 that is used for fixed top cap 2, and top cap 2 left and right sides centre is equipped with insert 22, and insert 22 lower extreme has seted up slot 23.
The lower box body 1 and the top cover 2 are made of waterproof and flame-retardant materials, mounting seats 11 are symmetrically arranged on the bottom plate of the inner wall of the lower box body 1, and mounting holes 12 are formed in the mounting seats 11; the top of the four sides of the lower box body 1 is provided with a mounting groove 13, and mounting blocks 21 arranged at the bottom of the four sides of the top cover 2 are bonded and clamped with the mounting groove 13; the front side of the lower box body 1 is close to the left end and is provided with a first external thread threading pipe 14 penetrating through the lower box body 1, the front side of the lower box body 1 is close to the right end and is provided with a second external thread threading pipe 15 penetrating through the lower box body 1, and the two external thread threading pipes are respectively provided with a locking sleeve 4.
An inner thread 41 arranged on the inner wall of the rear end of the locking sleeve 4 is in threaded fit with two external thread threading pipes, and elastic locking pieces 42 are symmetrically arranged on two sides of the inner part of the front end of the locking sleeve 4; the diameter of the front end of the elastic locking piece 42 is larger than the diameter of the inner rings of the two externally threaded wire passing pipes, the diameter of the front end of the elastic locking piece 42 is larger than the diameter of the rear end of the elastic locking piece 42, and the diameter of the rear end of the elastic locking piece 42 is larger than the diameter of the cable.
The fastening components 5 are provided with two groups, the two groups of fastening components 5 are respectively arranged in the middle of the top ends of the left side and the right side of the lower box body 1, the fastening components 5 comprise a lock catch 51, an inserting rod 52 and a spring block 53, the inner side of the lock catch 51 is fixed in the middle of the top ends of the side surfaces of the lower box body 1, and an inserting hole 511 is formed in the middle of the outer side of the lock catch 51; the inserted link 52 slides with the jack 511, and the inner end of the inserted link 52 is clamped with the slot 23, the inner side of the spring block 53 is fixed on the side wall of the lock catch 51 at the periphery of the jack 511, and the outer side of the spring block 53 is fixedly connected with the outer end of the inserted link 52.
The working principle of the utility model is as follows:
A locking sleeve 4;
After the cable is inserted into the junction box through the external thread threading pipe, the locking sleeve 4 is rotated clockwise, the locking sleeve 4 approaches the lower box body 1, meanwhile, the elastic locking piece 42 in the locking sleeve 4 approaches the inside of the external thread threading pipe, when the locking sleeve 4 is not rotated, the front end of the elastic locking piece 42 is extruded by the inner wall of the external thread threading pipe, at the moment, the rear end of the elastic locking piece 42 is extruded to generate plastic deformation, and the cable is firmly clamped; the locking sleeve 4 is convenient for quickly fixing the cable, thereby being beneficial to improving the installation efficiency;
a fastening assembly 5;
when the top cover 2 is installed, the inserting blocks 22 on two sides of the top cover 2 are aligned with the lock catches 51 on two sides of the lower box body 1 and are pressed downwards, at this time, the wedge-shaped surface 521 arranged at the top of the inner side of the inserting rod 52 is extruded by the inserting blocks 22, then the inserting rod 52 moves outwards, after the inserting blocks 22 are completely inserted into the lock catches 51, the inner ends of the inserting blocks 22 are reset and inserted into the inserting holes 511 at the bottom ends of the inserting blocks 22 under the elasticity of the left and right sides of the spring blocks 53, and at this time, the installation and fixation of the top cover 2 are completed; when the top cover 2 is disassembled, the inserted rod 52 is pulled outwards, so that the top cover 2 can be directly taken out upwards; the fastening assembly 5 facilitates rapid installation and disassembly of the top cover 2, and is beneficial to maintenance of components inside the junction box.
It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.
Claims (8)
1. The utility model provides a terminal box for photovoltaic power generation system, includes box body (1), top cap (2), sealing washer (3), top cap (2) set up in box body (1) top down, sealing washer (3) are installed in the border of box body (1) and top cap (2) junction down, its characterized in that:
A locking sleeve (4) for fixing the cable is arranged on the front side of the lower box body (1);
The upper box body is characterized in that fastening assemblies (5) used for fixing the top cover (2) are symmetrically arranged on the left side and the right side of the lower box body (1), an inserting block (22) is arranged in the middle of the left side and the right side of the top cover (2), and a slot (23) is formed in the lower end of the inserting block (22).
2. The junction box for the photovoltaic power generation system according to claim 1, wherein the lower box body (1) and the top cover (2) are made of waterproof and flame-retardant materials, mounting seats (11) are symmetrically arranged on the bottom plate of the inner wall of the lower box body (1), and mounting holes (12) are formed in the mounting seats (11).
3. The junction box for the photovoltaic power generation system according to claim 2, wherein the mounting groove (13) is formed in the top of the four sides of the lower box body (1), and the mounting block (21) arranged at the bottom of the four sides of the top cover (2) is in fit and clamping connection with the mounting groove (13).
4. A junction box for a photovoltaic power generation system according to claim 3, wherein the front side of the lower box body (1) is provided with a first external thread wire passing pipe (14) penetrating through the lower box body (1) near the left end, and the front side of the lower box body (1) is provided with a second external thread wire passing pipe (15) penetrating through the lower box body (1) near the right end, and both the two external thread wire passing pipes are provided with locking sleeves (4).
5. The junction box for a photovoltaic power generation system according to claim 4, wherein an internal thread (41) arranged on the inner wall of the rear end of the locking sleeve (4) is in threaded fit with the two external thread wire passing pipes, and elastic locking pieces (42) are symmetrically arranged on two sides of the inner part of the front end of the locking sleeve (4).
6. The junction box for a photovoltaic power generation system according to claim 5, wherein the front end diameter of the elastic locking piece (42) is larger than the inner ring diameters of the two externally threaded wire-passing pipes, the front end diameter of the elastic locking piece (42) is larger than the rear end diameter of the elastic locking piece (42), and the rear end diameter of the elastic locking piece (42) is larger than the cable diameter.
7. The junction box for a photovoltaic power generation system according to claim 1, wherein two groups of fastening components (5) are arranged, the two groups of fastening components (5) are respectively arranged in the middle of the top ends of the left side and the right side of the lower box body (1), the fastening components (5) comprise a lock catch (51), an inserting rod (52) and a spring block (53), the inner side of the lock catch (51) is fixed in the middle of the top end of the side surface of the lower box body (1), and a jack (511) is formed in the middle of the outer side of the lock catch (51).
8. The junction box for a photovoltaic power generation system according to claim 7, wherein the inserting rod (52) is attached to the inserting hole (511) and slides, the inner end of the inserting rod (52) is attached to the inserting groove (23) and clamped, the inner side of the spring block (53) is fixed to the side wall of the lock catch (51) on the periphery of the inserting hole (511), and the outer side of the spring block (53) is fixedly connected with the outer end of the inserting rod (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323208962.XU CN221354264U (en) | 2023-11-27 | 2023-11-27 | Junction box for photovoltaic power generation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323208962.XU CN221354264U (en) | 2023-11-27 | 2023-11-27 | Junction box for photovoltaic power generation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221354264U true CN221354264U (en) | 2024-07-16 |
Family
ID=91847495
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323208962.XU Active CN221354264U (en) | 2023-11-27 | 2023-11-27 | Junction box for photovoltaic power generation system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221354264U (en) |
-
2023
- 2023-11-27 CN CN202323208962.XU patent/CN221354264U/en active Active
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