CN220421136U - Grid-connected protection device of photovoltaic power station - Google Patents
Grid-connected protection device of photovoltaic power station Download PDFInfo
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- CN220421136U CN220421136U CN202322047196.7U CN202322047196U CN220421136U CN 220421136 U CN220421136 U CN 220421136U CN 202322047196 U CN202322047196 U CN 202322047196U CN 220421136 U CN220421136 U CN 220421136U
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- grid
- photovoltaic power
- protection device
- mounting frame
- box main
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- 230000004224 protection Effects 0.000 title claims abstract description 28
- 239000000463 material Substances 0.000 claims description 4
- 238000009434 installation Methods 0.000 description 9
- 238000010248 power generation Methods 0.000 description 8
- 230000002349 favourable effect Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004888 barrier function Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 230000009979 protective mechanism Effects 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a grid-connected protection device of a photovoltaic power station, and relates to the field of grid-connected box protection. The cable box comprises a grid box body, wherein a mounting hole is formed in the bottom of the grid box body, a cable is arranged in the mounting hole, a protection mechanism is arranged on the outer surface of the cable, the protection mechanism comprises a casing, a mounting groove is formed above the outer surface of the casing, a spring is arranged in the mounting groove, and a wedge-shaped ring is arranged at the top of the spring.
Description
Technical Field
The utility model relates to the field of grid-connected box protection, in particular to a grid-connected protection device of a photovoltaic power station.
Background
The photovoltaic power station is a photovoltaic power generation system which is connected with a power grid and transmits power to the power grid, belongs to a green energy project encouraged by China, and can be divided into grid-connected power generation systems with storage batteries and grid-connected power generation systems without storage batteries, and solar power generation is divided into photo-thermal power generation and photovoltaic power generation. The solar power generation generally refers to solar photovoltaic power generation.
At present, when a grid-connected box is utilized to protect grid connection of a photovoltaic power station, as the grid-connected box is mostly made of stainless steel, the edge of a grid-connected cable penetrating through a cavity of the grid-connected box is extremely sharp, and when the cable and a switch grid-connected box are used for a long time, the edge of the cavity at the bottom of the grid-connected box can damage the cable, even the condition that an internal circuit is exposed is caused inside, so that protection of the grid-connected cable is not facilitated.
Disclosure of Invention
Based on the problems, the utility model aims to provide a grid-connected protection device for a photovoltaic power station, which aims to solve the technical problem that the grid-connected cable passes through the edge of a grid-connected box cavity and is extremely sharp, and the cable is damaged at the edge of the cavity at the bottom of the grid-connected box when the cable and the grid-connected box are used for a long time.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a photovoltaic power plant protection device that is incorporated into power networks, includes the case main part that is incorporated into power networks, the mounting hole has been seted up to the bottom of the case main part that is incorporated into power networks, the inside of mounting hole is provided with the cable, the surface of cable is provided with protection machanism, protection machanism includes the cover shell, the surface top of cover shell is provided with the mounting groove, the inside of mounting groove is provided with the spring, the top of spring is provided with wedge ring, the back of the case main part that is incorporated into power networks is provided with fixed establishment.
Through adopting above-mentioned technical scheme, when passing the mounting hole with the cable, at first, rotate two casings through the hinge, establish the surface of cable with two casings afterwards, then, through shifting up two casings, utilize the extrusion of mounting hole to wedge ring, make the inside spring of mounting groove compress, and make wedge ring remove to the inside of mounting groove, afterwards make the casing pass through the mounting hole after, utilize the shape characteristic of wedge ring, with the casing block in the inside of mounting hole, finally, utilize the double-screw bolt to fix two casings, be favorable to preventing the direct contact of cable and mounting hole, improve the barrier propterty to the cable.
Further, the casing is provided with two, two the casing passes through the hinge and rotates the connection, two the screw hole has been seted up to the surface below of casing, the inside of screw hole is provided with the double-screw bolt.
Through adopting above-mentioned technical scheme, through seting up threaded hole in the surface below of cover shell to two fixed cover shells of being convenient for improve the installation convenience of cover shell.
Further, two the cover shell is annular sleeve shape structure, and two the inner wall of cover shell all is provided with the rubber pad.
Through adopting above-mentioned technical scheme, through setting up the rubber pad, utilize the rubber pad to have elastic characteristic, be favorable to reinforcing the frictional force between cover shell and the cable, strengthen the protective effect of cover shell to the cable.
Further, the fixing mechanism comprises a supporting plate and a fixing plate, the fixing plate is fixed with an external wall surface through bolts, and a mounting frame is arranged on the front surface of the fixing plate.
Through adopting above-mentioned technical scheme, through setting up backup pad and fixed plate, be favorable to improving the installation fastness of grid-connected box main part, the practicality of reinforcing grid-connected box main part.
Further, the L-shaped structure on the mounting frame, the supporting plate is clamped with the mounting frame, a gasket is arranged between the supporting plate and the mounting frame, and the gasket is made of rubber materials.
Through adopting above-mentioned technical scheme, through setting up the gasket, through placing the gasket between backup pad and mounting bracket, be favorable to fixing the grid-connected cabinet main part according to specific installation environment, improve the installation implementation nature of grid-connected cabinet main part.
Further, through grooves are formed in the supporting plate, the mounting frame and the gasket, and the supporting plate is fixedly connected with the mounting frame through bolts and nuts.
Through adopting above-mentioned technical scheme, through fixing backup pad and mounting bracket through the bolt, be favorable to improving the installation convenience of grid-connected box main part, reinforcing grid-connected box main part's installation strength.
Further, the front surface of the grid-connected box main body is provided with an outer door, the outer door is rotationally connected with the grid-connected box main body through a hinge, and the other side of the outer door is provided with a lock catch.
By adopting the technical scheme, the lock catch is arranged, so that the protection effect of the grid-connected box main body on the cable is improved, and the anti-theft performance of the grid-connected box main body is improved.
In summary, the utility model has the following advantages:
1. according to the utility model, when a cable passes through the mounting hole, the two casings are rotated through the hinge, then the two casings are sleeved on the outer surface of the cable, then the two casings are moved upwards, the wedge-shaped ring is extruded by the mounting hole, the spring in the mounting groove is compressed, the wedge-shaped ring is moved towards the mounting groove, after the casings pass through the mounting hole, the casings are clamped in the mounting hole by the shape characteristic of the wedge-shaped ring, and finally the two casings are fixed by the stud, so that the direct contact between the cable and the mounting hole is prevented, and the protection performance of the cable is improved;
2. according to the grid-connected box main body, the supporting plate, the fixing plate and the mounting frame are arranged, when the grid-connected box main body is required to be mounted, the supporting plate is clamped with the mounting frame, the gasket is placed between the supporting plate and the mounting frame, and then the supporting plate, the mounting frame and the gasket are fixed by utilizing the bolts and the nuts, so that the mounting convenience of the grid-connected box main body is improved, and the mounting strength of the grid-connected box main body is enhanced.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic perspective view of a casing according to the present utility model;
FIG. 3 is a schematic perspective view of a casing of the present utility model;
fig. 4 is a schematic perspective view of a fixing plate and a spacer according to the present utility model.
In the figure: 1. a grid-connected box main body; 2. an outer door; 3. locking; 4. a mounting hole; 5. a cable; 6. a protective mechanism; 601. a casing; 602. a threaded hole; 603. a stud; 604. a mounting groove; 605. a spring; 606. a wedge ring; 607. a rubber pad; 7. a fixing mechanism; 701. a support plate; 702. a fixing plate; 703. a mounting frame; 704. a gasket; 705. and (5) through grooves.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.
Hereinafter, an embodiment of the present utility model will be described in accordance with its entire structure.
1-4, including the grid-connected box main part 1, mounting hole 4 has been seted up to the bottom of grid-connected box main part 1, and the inside of mounting hole 4 is provided with cable 5, and the surface of cable 5 is provided with protection machanism 6, and protection machanism 6 includes the cover shell 601, and the surface top of cover shell 601 is provided with mounting groove 604, and the inside of mounting groove 604 is provided with spring 605, and the top of spring 605 is provided with wedge ring 606, and the back of grid-connected box main part 1 is provided with fixed establishment 7.
Referring to fig. 2, two sleeves 601 are provided, the two sleeves 601 are rotatably connected through a hinge, a threaded hole 602 is formed in the lower portion of the outer surface of the two sleeves 601, a stud 603 is arranged in the threaded hole 602, and the threaded hole 602 is formed in the lower portion of the outer surface of the sleeves 601, so that the two sleeves 601 are fixed, and the installation convenience of the sleeves 601 is improved.
Referring to fig. 1 and 2, two casings 601 are annular sleeve-shaped structures, the inner walls of the two casings 601 are provided with rubber gaskets 607, and the rubber gaskets 607 are utilized to have elastic characteristics by arranging the rubber gaskets 607, so that friction between the casings 601 and a cable 5 is enhanced, and the protection effect of the casings 601 on the cable 5 is enhanced.
Referring to fig. 1 and 4, the fixing mechanism 7 includes a support plate 701 and a fixing plate 702, the fixing plate 702 is fixed with an external wall surface through bolts, a mounting rack 703 is arranged on the front surface of the fixing plate 702, and the installation firmness of the grid-connected box main body 1 is improved and the practicability of the grid-connected box main body 1 is enhanced by arranging the support plate 701 and the fixing plate 702.
Referring to fig. 1 and 4, an L-shaped structure is arranged on a mounting frame 703, a supporting plate 701 is clamped with the mounting frame 703, a gasket 704 is arranged between the supporting plate 701 and the mounting frame 703, the gasket 704 is made of rubber materials, and the gasket 704 is arranged between the supporting plate 701 and the mounting frame 703, so that the grid-connected box main body 1 is fixed according to a specific mounting environment, and the mounting implementation property of the grid-connected box main body 1 is improved.
Referring to fig. 1 and 4, through grooves 705 are formed in a supporting plate 701, a mounting frame 703 and a gasket 704, the supporting plate 701 and the mounting frame 703 are fixedly connected through bolts and nuts, and the supporting plate 701 and the mounting frame 703 are fixed through bolts, so that the convenience in mounting of the grid-connected box main body is improved, and the mounting strength of the grid-connected box main body is enhanced.
Referring to fig. 1, an outer door 2 is arranged on the front surface of a grid-connected box main body 1, the outer door 2 is rotatably connected with the grid-connected box main body 1 through a hinge, a lock catch 3 is arranged on the other side of the outer door 2, and the lock catch 3 is beneficial to improving the protection effect of the grid-connected box main body 1 on a cable 5, improving the anti-theft performance of the grid-connected box main body 1 and enhancing the safety of the grid-connected box
The implementation principle of the embodiment is as follows: when the cable 5 is passed through the mounting hole 4, firstly, the two casings 601 are turned by the hinge, then the two casings 601 are sleeved on the outer surface of the cable 5, then, by moving up the two casings 601, the wedge ring 606 is pressed by the mounting hole 4, the springs 605 inside the mounting groove 604 are compressed, the wedge ring 606 is moved towards the inside of the mounting groove 604, then, the casings 601 pass through the mounting hole 4, the casings 601 are clamped inside the mounting hole 4 by the shape characteristic of the wedge ring 606, and finally, the two casings 601 are fixed by the stud 603;
when the grid-connected box main body 1 needs to be installed, firstly, the supporting plate 701 and the mounting frame 703 are clamped, the gasket 704 is placed between the supporting plate 701 and the mounting frame 703, and then the supporting plate 701, the mounting frame 703 and the gasket 704 are fixed by using bolts and nuts, so that the installation convenience of the grid-connected box main body 1 is improved.
The parts not involved in the present utility model are the same as or can be implemented by the prior art, and are not described in detail herein.
Although embodiments of the utility model have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the utility model as the particular features, structures, materials, or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions, variations, etc. may be made in the embodiments as desired by those skilled in the art without departing from the principles and spirit of the utility model, provided that such modifications are within the scope of the appended claims.
Claims (7)
1. The utility model provides a photovoltaic power plant protection device that is incorporated into power networks, includes and is incorporated into power networks case main part (1), its characterized in that: the utility model discloses a grid-connected box, including grid-connected box main part (1), mounting hole (4) have been seted up to the bottom of grid-connected box main part (1), the inside of mounting hole (4) is provided with cable (5), the surface of cable (5) is provided with protection machanism (6), protection machanism (6) are including cover shell (601), the surface top of cover shell (601) is provided with mounting groove (604), the inside of mounting groove (604) is provided with spring (605), the top of spring (605) is provided with wedge ring (606), the back of grid-connected box main part (1) is provided with fixed establishment (7).
2. The photovoltaic power plant grid-connected protection device according to claim 1, wherein: the novel anti-theft lock is characterized in that two sleeves (601) are arranged, the two sleeves (601) are connected through a hinge in a rotating mode, threaded holes (602) are formed in the lower portions of the outer surfaces of the two sleeves (601), and studs (603) are arranged in the threaded holes (602).
3. The photovoltaic power plant grid-connected protection device according to claim 1, wherein: two cover shells (601) are of annular sleeve-shaped structures, and rubber pads (607) are arranged on the inner walls of the two cover shells (601).
4. The photovoltaic power plant grid-connected protection device according to claim 1, wherein: the fixing mechanism (7) comprises a supporting plate (701) and a fixing plate (702), the fixing plate (702) is fixed with an external wall surface through bolts, and a mounting frame (703) is arranged on the front surface of the fixing plate (702).
5. The photovoltaic power plant grid-connected protection device according to claim 4, wherein: the mounting frame (703) is of an L-shaped structure, the supporting plate (701) is clamped with the mounting frame (703), a gasket (704) is arranged between the supporting plate (701) and the mounting frame (703), and the gasket (704) is made of rubber materials.
6. The photovoltaic power plant grid-connected protection device according to claim 4, wherein: the support plate (701), the mounting frame (703) and the gasket (704) are provided with through grooves (705), and the support plate (701) is fixedly connected with the mounting frame (703) through bolts and nuts.
7. The photovoltaic power plant grid-connected protection device according to claim 1, wherein: the novel grid-connected box is characterized in that an outer door (2) is arranged on the front surface of the grid-connected box main body (1), the outer door (2) is rotatably connected with the grid-connected box main body (1) through a hinge, and a lock catch (3) is arranged on the other side of the outer door (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047196.7U CN220421136U (en) | 2023-08-01 | 2023-08-01 | Grid-connected protection device of photovoltaic power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322047196.7U CN220421136U (en) | 2023-08-01 | 2023-08-01 | Grid-connected protection device of photovoltaic power station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220421136U true CN220421136U (en) | 2024-01-30 |
Family
ID=89659948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322047196.7U Active CN220421136U (en) | 2023-08-01 | 2023-08-01 | Grid-connected protection device of photovoltaic power station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220421136U (en) |
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2023
- 2023-08-01 CN CN202322047196.7U patent/CN220421136U/en active Active
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