CN220066796U - Rainproof device for photovoltaic combiner box - Google Patents
Rainproof device for photovoltaic combiner box Download PDFInfo
- Publication number
- CN220066796U CN220066796U CN202321577883.3U CN202321577883U CN220066796U CN 220066796 U CN220066796 U CN 220066796U CN 202321577883 U CN202321577883 U CN 202321577883U CN 220066796 U CN220066796 U CN 220066796U
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- China
- Prior art keywords
- sealing
- shell
- fixedly connected
- sleeve
- pipeline
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- 238000007789 sealing Methods 0.000 claims abstract description 63
- 230000000149 penetrating effect Effects 0.000 claims abstract description 5
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000004806 packaging method and process Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 abstract description 3
- 230000017525 heat dissipation Effects 0.000 description 8
- 239000000428 dust Substances 0.000 description 5
- 230000000903 blocking effect Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000000087 stabilizing effect Effects 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 239000004816 latex Substances 0.000 description 2
- 229920000126 latex Polymers 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 230000037072 sun protection Effects 0.000 description 1
Classifications
-
- 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
- Casings For Electric Apparatus (AREA)
- Photovoltaic Devices (AREA)
Abstract
The utility model discloses a rainproof device for a photovoltaic junction box, and relates to the field of junction boxes. The utility model provides a rain insensitive device for photovoltaic conflux case, includes the casing, set up the through wires hole on the casing, still include: disassembling a sealing cover connected to the shell; the sealing frame is fixedly connected to the sealing cover and is attached to the inner wall of the shell; the sealing gasket is fixedly connected to the sealing frame; the packaging air bag is arranged on the sealing frame in a surrounding mode, wherein a sealing groove is formed in the shell, and the sealing groove corresponds to the packaging air bag; the sleeve is fixedly connected to the sealing cover; when the sealing device is used outdoors, the sealing gasket is tightly attached to the inner wall of the shell through the sealing frame in an extrusion mode, so that the sealing performance of the attaching face of the sealing cover and the shell is improved, the wrapping air bag after expansion is tightly attached to the sealing groove, the sealing performance of the attaching face of the sealing cover and the shell is improved, and rainwater is effectively prevented from penetrating into the shell.
Description
Technical Field
The utility model belongs to the technical field of junction boxes, and particularly relates to a rainproof device for a photovoltaic junction box.
Background
In order to reduce connecting wires between the solar photovoltaic module array and other direct current loads or inverters, and the maintenance is convenient, a junction box is generally required to be added between the photovoltaic module and other direct current loads or inverters, and multiple direct currents in the photovoltaic module are converged into one path for output, so that the wiring with the direct current loads or inverters is convenient;
the utility model discloses a photovoltaic direct current junction box, which comprises a junction box main body, a box cover, a fixing plate, a box lock, a locking piece, a blocking structure, a stabilizing device and a protection structure, wherein the stabilizing device is arranged at the lower end of the inner side of the junction box main body and can be manually operated, a pressing plate is arranged in the stabilizing device for a connecting wire to pass through, and the connecting wire can move downwards after passing through to wrap the connecting wire and seal an access position, so that stability can be provided; the bottom of the main body of the junction box is provided with the protection structure, the protection structure can wrap the connecting wire access position, bending and damage caused by external force are avoided, and the protection performance is good; the lower end of the outer side of the box cover is provided with a blocking structure, the blocking structure can protect a connecting wire connected to the bottom of the main body of the combiner box, and a heat insulation board is arranged in the box cover to provide sun protection and rain protection effects, so that the connecting wire can be effectively protected stably;
however, the above patent has a problem that the sealing property between the case cover and the junction box main body is poor, so that during outdoor use, in rainy weather, rainwater drops on the junction box main body and easily permeates into the junction box main body through the gap between the case cover and the junction box main body, thereby causing a short circuit when the electronic components in the junction box main body are wetted.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art and provide a rainproof device for a photovoltaic combiner box, which can overcome the problems or at least partially solve the problems.
In order to solve the technical problems, the utility model adopts the basic conception of the technical scheme that:
the utility model provides a rain insensitive device for photovoltaic conflux case, includes the casing, set up the through wires hole on the casing, still include: disassembling a sealing cover connected to the shell; the sealing frame is fixedly connected to the sealing cover and is attached to the inner wall of the shell; the sealing gasket is fixedly connected to the sealing frame; the packaging air bag is arranged on the sealing frame in a surrounding mode, wherein a sealing groove is formed in the shell, and the sealing groove corresponds to the packaging air bag; the sleeve is fixedly connected to the sealing cover; the piston plate is connected in the sleeve in a sliding way, a spring is fixedly connected between the piston plate and the sleeve, and a connecting rod is fixedly connected to the piston plate; the handle is fixedly connected to the connecting rod; the first pipeline is fixedly communicated with the inner cavity of the sleeve; and one end of the second pipeline is fixedly communicated with the inner cavity of the sleeve, and the other end of the second pipeline is fixedly communicated with the inner cavity of the wrapping air bag.
In order to facilitate the discharge of the gas in the wrapping air bag, preferably, the wrapping air bag is fixedly communicated with a third pipeline, and one end of the third pipeline penetrating through the outer wall of the shell is provided with a valve switch.
In order to play a role in heat dissipation of electronic components mounted in the shell, preferably, a heat dissipation groove is formed in the shell and is in an inclined parallelogram, and a dust screen is fixedly mounted on the heat dissipation groove.
In order to facilitate the disassembly and assembly of the sealing cover, it is preferable that the sealing cover is detachably connected with the housing by means of a mounting bolt.
In order to facilitate the installation of the shell, preferably, a connecting seat is fixedly connected to the shell, and a mounting hole is formed in the connecting seat.
In order to provide protection for the wire harness, preferably, arc-shaped chamfers are arranged at two ends of the threading hole, and a protective sleeve is arranged in the threading hole.
After the technical scheme is adopted, compared with the prior art, the utility model has the following beneficial effects:
when the sealing device is used outdoors, the sealing gasket is tightly attached to the inner wall of the shell through the sealing frame in an extrusion mode, so that the sealing performance of the attaching face of the sealing cover and the shell is improved, the wrapping air bag after expansion is tightly attached to the sealing groove, the sealing performance of the attaching face of the sealing cover and the shell is improved, and rainwater is effectively prevented from penetrating into the shell.
The following describes the embodiments of the present utility model in further detail with reference to the accompanying drawings.
Drawings
In the drawings:
FIG. 1 is a schematic view of a rain-proof device for a photovoltaic junction box according to the first embodiment of the present utility model;
fig. 2 is a schematic diagram of a rain-proof device for a photovoltaic junction box according to a second embodiment of the present utility model;
FIG. 3 is a schematic view of the internal structure of a housing of the rain-proof device for a photovoltaic junction box according to the present utility model;
FIG. 4 is a cross-sectional view of a sleeve of a rain shield for a photovoltaic header of the present utility model;
fig. 5 is a schematic view of a part of the structure of a rain-proof device for a photovoltaic junction box according to the present utility model.
In the figure: 1. a housing; 101. a connecting seat; 102. a mounting hole; 103. a dust screen; 104. a threading hole; 105. a protective sleeve; 2. sealing cover; 201. installing a bolt; 202. a sealing frame; 203. a sealing gasket; 3. a sleeve; 301. a spring; 302. a piston plate; 303. a connecting rod; 304. a handle; 305. a first pipeline; 306. a second pipeline; 307. wrapping the air bag; 308. sealing grooves; 4. a third pipeline; 401. and (3) switching the valve.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions in the embodiments will be clearly and completely described with reference to the accompanying drawings in the embodiments of the present utility model, and the following embodiments are used to illustrate the present utility model, but are not intended to limit the scope of the present utility model.
Example 1:
referring to fig. 3, 4 and 5, a rain-proof device for photovoltaic combiner box, including casing 1, offer through wires hole 104 on the casing 1, still include: disassembling a sealing cover 2 connected to the shell 1; the sealing frame 202 is fixedly connected to the sealing cover 2 and is attached to the inner wall of the shell 1; a gasket 203 fixedly connected to the seal frame 202; a package air bag 307 is arranged on the sealing frame 202 in a surrounding manner, wherein a sealing groove 308 is formed in the shell 1, and the sealing groove 308 corresponds to the package air bag 307; the sleeve 3 is fixedly connected to the sealing cover 2; the piston plate 302 is in sliding connection in the sleeve 3, wherein a spring 301 is fixedly connected between the piston plate 302 and the sleeve 3, and a connecting rod 303 is fixedly connected to the piston plate 302; the handle 304 is fixedly connected to the connecting rod 303; the first pipeline 305 is fixedly communicated with the inner cavity of the sleeve 3; and one end of the second pipeline 306 is fixedly communicated with the inner cavity of the sleeve 3, and the other end of the second pipeline is fixedly communicated with the inner cavity of the wrapping air bag 307.
The shell 1 is fixedly connected with a connecting seat 101, and the connecting seat 101 is provided with a mounting hole 102.
During the use, the mounting hole 102 on through connecting seat 101, and the cooperation expansion bolts, when using outdoor with casing 1 whole installation, press sealed 203 and casing 1 inner wall closely laminating through sealing frame 202, and then the leakproofness of sealed lid 2 and casing 1 faying face has been increased, the rainwater has been reduced in rainy weather, in the gap infiltration of sealed lid 2 and casing 1 faying face, simultaneously, the user is to being close to sleeve 3 one side pushing handle 304, handle 304 drives piston plate 302 to sleeve 3 bottom slip through connecting rod 303, and compress spring 301, then the user slowly loosen the thrust that applys handle 304, and then spring 301 produces the thrust after the compression, promote piston plate 302 to sleeve 3 top slip reset, make piston plate 302 reciprocate in sleeve 3 and form the piston motion, at this moment, when piston plate 302 slides to being close to sleeve 3 top side, outside air is got into sleeve 3 through pipeline one 305 to outside air, then when piston plate 302 slides to being close to sleeve 3 bottom one side through pipeline one 305, then in piston plate 302 extrusion sleeve 3 gas pipeline two pipeline 306 are passed through pipeline two 307, pipeline 307, the air bag is passed through in 307, the air bag is passed through to 307 is passed through to seal 307, thereby the one side is wrapped up with sleeve 3, thereby the sealing cover is closed with sealing cover 1, thereby the expansion seal is closed with the air bag is improved, the sealing cover is closed with the sealing cover 1, and air bag is sealed with the expansion seal is more closely wrapped up.
Example 2:
referring to fig. 1, 2 and 3, a rain-proof device for a photovoltaic junction box is basically the same as that of embodiment 1, further, a heat dissipation groove is formed on a housing 1, the heat dissipation groove is in an inclined parallelogram shape, and a dust screen 103 is fixedly installed on the heat dissipation groove; the inside electronic component of casing 1 produces the heat at the in-process of work, at this moment, can play the radiating effect to the inside electronic component of casing 1 through the heat dissipation groove, simultaneously, can reduce the dust entering casing 1 in the outside air through dust screen 103 to and when rainy weather, be the parallelogram setting of slope through the heat dissipation groove, make can prevent effectively that the rainwater from oozing into in the casing 1, cause the pencil circuit to wet and appear the short circuit.
Example 3:
referring to fig. 1, a rain-proof device for a photovoltaic junction box is basically the same as that of embodiment 1, and further, a third pipeline 4 is fixedly connected to a wrapping air bag 307, and a valve switch 401 is arranged at one end of the third pipeline 4 penetrating through the outer wall of the casing 1.
The sealing cover 2 is detachably connected with the housing 1 by a mounting bolt 201.
When the maintenance of the harness circuit inside the housing 1 is required, firstly, the user manually opens the valve switch 401, so that the gas in the package airbag 307 is discharged through the third pipeline 4, then the user unscrews the mounting bolt 201 for fixedly connecting the sealing cover 2 and the housing 1 by means of a wrench, and then removes the sealing cover 2, so that the opening of the housing 1 is realized, and thus the maintenance of the harness circuit inside the housing 1 can be performed.
Example 4:
referring to fig. 2 and 3, a rain-proof device for a photovoltaic junction box is basically the same as that of embodiment 1, further, two ends of a threading hole 104 are provided with arc chamfers, and a protective sleeve 105 is arranged in the threading hole 104; when the pencil passes through the through hole 104, through the arc chamfer at through hole 104 both ends, and then can provide the protection to the pencil, prevent that the pencil from damaging with the both ends friction at through hole 104 from appearing, simultaneously, lag 105 is made for latex material, and latex has elasticity for the pencil is passing through hole 104, and when being located lag 105, makes can improve the protection effect to the pencil, prevents effectively that the pencil from damaging with the both ends friction at through hole 104 from appearing.
The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way, although the present utility model has been described in the preferred embodiments, and is not limited thereto.
Claims (6)
1. The utility model provides a rain insensitive device for photovoltaic conflux case, includes casing (1), set up through wires hole (104) on casing (1), its characterized in that still includes:
disassembling a sealing cover (2) connected to the shell (1);
the sealing frame (202) is fixedly connected to the sealing cover (2) and is attached to the inner wall of the shell (1);
a gasket (203) fixedly connected to the seal frame (202);
a wrap-around airbag (307) disposed around the seal frame (202),
wherein, a sealing groove (308) is arranged in the shell (1), and the sealing groove (308) corresponds to the wrapping air bag (307);
the sleeve (3) is fixedly connected to the sealing cover (2);
a piston plate (302) slidably connected within the sleeve (3),
a spring (301) is fixedly connected between the piston plate (302) and the sleeve (3), and a connecting rod (303) is fixedly connected to the piston plate (302);
the handle (304) is fixedly connected to the connecting rod (303);
the first pipeline (305) is fixedly communicated with the inner cavity of the sleeve (3);
and one end of the second pipeline (306) is fixedly communicated with the inner cavity of the sleeve (3), and the other end of the second pipeline is fixedly communicated with the inner cavity of the wrapping air bag (307).
2. The rainproof device for the photovoltaic combiner box according to claim 1, wherein a third pipeline (4) is fixedly communicated with the wrapping air bag (307), and one end of the third pipeline (4) penetrating through the outer wall of the shell (1) is provided with a valve switch (401).
3. The rainproof device for the photovoltaic combiner box according to claim 1, wherein the shell (1) is provided with a radiating groove, the radiating groove is arranged in an inclined parallelogram shape, and a dustproof net (103) is fixedly arranged on the radiating groove.
4. The rainproof device for the photovoltaic combiner box according to claim 1, wherein the sealing cover (2) is detachably connected with the shell (1) through a mounting bolt (201).
5. The rainproof device for the photovoltaic combiner box according to claim 1, wherein a connecting seat (101) is fixedly connected to the shell (1), and a mounting hole (102) is formed in the connecting seat (101).
6. The rainproof device for the photovoltaic combiner box according to claim 1, wherein arc chamfers are arranged at two ends of the threading hole (104), and a protective sleeve (105) is arranged in the threading hole (104).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577883.3U CN220066796U (en) | 2023-06-20 | 2023-06-20 | Rainproof device for photovoltaic combiner box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321577883.3U CN220066796U (en) | 2023-06-20 | 2023-06-20 | Rainproof device for photovoltaic combiner box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220066796U true CN220066796U (en) | 2023-11-21 |
Family
ID=88749973
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321577883.3U Active CN220066796U (en) | 2023-06-20 | 2023-06-20 | Rainproof device for photovoltaic combiner box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220066796U (en) |
-
2023
- 2023-06-20 CN CN202321577883.3U patent/CN220066796U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |