CN219843901U - Protection device of photovoltaic inverter - Google Patents
Protection device of photovoltaic inverter Download PDFInfo
- Publication number
- CN219843901U CN219843901U CN202321236344.3U CN202321236344U CN219843901U CN 219843901 U CN219843901 U CN 219843901U CN 202321236344 U CN202321236344 U CN 202321236344U CN 219843901 U CN219843901 U CN 219843901U
- Authority
- CN
- China
- Prior art keywords
- inner cavity
- photovoltaic inverter
- assembly
- protection device
- shell
- 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.)
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- 230000001681 protective effect Effects 0.000 claims abstract description 24
- 238000001816 cooling Methods 0.000 claims abstract description 17
- 238000007789 sealing Methods 0.000 claims description 31
- 229910052751 metal Inorganic materials 0.000 claims description 10
- 239000002184 metal Substances 0.000 claims description 10
- 238000007791 dehumidification Methods 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 238000005057 refrigeration Methods 0.000 abstract description 3
- 238000000605 extraction Methods 0.000 abstract description 2
- 239000000428 dust Substances 0.000 description 5
- 239000012535 impurity Substances 0.000 description 4
- 239000002274 desiccant Substances 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910052782 aluminium Inorganic materials 0.000 description 1
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000001590 oxidative effect 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
- Y02E10/56—Power conversion systems, e.g. maximum power point trackers
Abstract
The utility model discloses a protection device of a photovoltaic inverter, which belongs to the technical field of photovoltaic inverters, and comprises: an outer protective shell; the bottom cover assembly, the bottom cover assembly includes bottom and cooling body, the bottom sets up outer shell tip opening part, cooling body is including setting up keep away from on the bottom outer shell one side and with the heat conduction board that outer shell inner chamber link up mutually, set up refrigeration piece on the heat conduction board lateral wall and set up spoiler on the heat conduction board inner chamber lateral wall, keep away from on the heat conduction board bottom one side is installed the fan, and this kind of photovoltaic inverter's protection device is through the inner chamber of fan with the extraction of outside air to the heat conduction board, heats the air through the refrigeration piece, perturbs the air current through the spoiler for the air after the cooling enters into the inside of outer shell and cools down, has ensured the life of equipment.
Description
Technical Field
The utility model relates to the technical field of photovoltaic inverters, in particular to a protection device of a photovoltaic inverter.
Background
The photovoltaic inverter can convert variable direct current voltage generated by a Photovoltaic (PV) solar panel into Alternating Current (AC) with mains frequency, and can be fed back to a commercial power transmission system or used for an off-grid power grid.
The photovoltaic inverter is generally installed on a building or a support, but no matter the photovoltaic inverter is installed on the building or the support, the photovoltaic inverter is installed outdoors, a large amount of heat can be generated in the photovoltaic inverter when the photovoltaic inverter is used, a radiating hole and a radiating fan are generally arranged on a shell for radiating the heat of the photovoltaic inverter when the photovoltaic inverter is used, but the photovoltaic inverter is installed outdoors, the heat of the photovoltaic inverter is influenced when the temperature of the external environment is higher, so that the photovoltaic inverter cannot radiate effectively in time, and the service life of the photovoltaic inverter is influenced.
Disclosure of Invention
The utility model aims to provide a protection device for a photovoltaic inverter, which aims to solve the problems that the photovoltaic inverter is arranged outdoors and the heat dissipation of the photovoltaic inverter is influenced when the temperature of the external environment is high, so that the photovoltaic inverter cannot timely and effectively dissipate heat and the service life of the photovoltaic inverter is influenced.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a protection device for a photovoltaic inverter, comprising:
an outer protective shell;
the bottom cover assembly comprises a bottom cover and a cooling mechanism, wherein the bottom cover is arranged at an opening of the end part of the outer protecting shell, the cooling mechanism comprises a heat conducting plate, a refrigerating sheet and a spoiler, the heat conducting plate is arranged on the outer side wall of the heat conducting plate, the heat conducting plate is arranged on the side wall of the inner cavity of the heat conducting plate, the heat conducting plate is far away from one side of the bottom cover, and the blower is arranged on one side of the heat conducting plate.
Preferably, the bottom cover assembly further comprises a first sealing block which is arranged on the bottom cover, is adjacent to one side of the outer protecting shell and is inserted into the inner side of the outer protecting shell, and the first sealing block is in contact with the side wall of the inner cavity of the outer protecting shell.
Preferably, the novel inner protection device further comprises a top cover assembly, wherein the top cover assembly comprises a top cover arranged at the opening of the other end part of the outer protection shell and a second sealing block arranged on the top cover and facing to one side of the outer protection shell, and the second sealing block is inserted into the inner cavity of the outer protection shell and contacts with the side wall of the inner cavity of the outer protection shell.
Preferably, the device further comprises a dehumidifying mechanism, wherein the dehumidifying mechanism comprises a dehumidifying bottom box assembly arranged on the inner side of the bottom cover and arranged in the inner cavity of the outer protective casing, and a dehumidifying cover plate assembly arranged at the opening of the end part of the dehumidifying bottom box assembly and arranged in the inner cavity of the outer protective casing.
Preferably, the dehumidifying bottom box assembly comprises a bottom box and an air inlet hole which is arranged at the bottom of the inner cavity of the bottom box and penetrates through the bottom of the bottom box.
Preferably, the dehumidifying cover plate assembly comprises a cover plate arranged at the opening of the end part of the bottom box, an exhaust hole formed at the top of the cover plate and penetrating through the bottom of the cover plate, and a third sealing block arranged at the bottom of the cover plate and inserted into the inner cavity of the bottom box and contacted with the side wall of the inner cavity of the bottom box.
Preferably, a mounting block is arranged on the side wall of the outer protective shell, and an electromagnet is arranged on one side, far away from the outer protective shell, of the mounting block.
Preferably, the mounting frame assembly comprises a mounting plate, a mounting frame arranged on the end face of the mounting plate, a magnetic metal plate arranged on the end face of the mounting plate and arranged on the inner side of the mounting frame, and a mounting hole arranged on the end face of the mounting plate and arranged on the outer side of the mounting frame and penetrating through the other end face of the mounting plate, wherein the mounting frame is connected with the mounting block, and the magnetic metal plate corresponds to the electromagnet.
Compared with the prior art, the utility model has the beneficial effects that: this kind of protection device of photovoltaic inverter, through the inner chamber that the fan will outside air extraction to the heat-conducting plate, heat the air through the refrigeration piece, disturb the air current through the spoiler for the air can evenly cool down, and the inside that the air after cooling enters into outer protective housing cools down to the inside of outer protective housing, has ensured the life of equipment.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is a schematic view of a bottom cover assembly according to the present utility model;
FIG. 3 is a schematic view of the top cover assembly of the present utility model;
FIG. 4 is an exploded view of the outer housing and dehumidification mechanism of the present utility model;
FIG. 5 is a schematic view of a dehumidification base box assembly of the present utility model;
FIG. 6 is a schematic view of a desiccant cover assembly according to the present utility model;
FIG. 7 is a schematic view of the outer housing and mounting frame assembly of the present utility model;
FIG. 8 is a schematic view of the outer shell and mounting block installation of the present utility model;
FIG. 9 is a schematic view of a mounting frame assembly of the present utility model.
In the figure: 100 outer protecting shell, 110 mounting block, 120 electromagnet, 200 bottom cover assembly, 210 bottom cover, 220 cooling mechanism, 221 heat-conducting plate, 222 refrigerating sheet, 223 spoiler, 230 first sealing block, 300 top cover assembly, 310 top cover, 320 second sealing block, 400 dehumidifying mechanism, 410 dehumidifying bottom box assembly, 411 bottom box, 412 air inlet, 420 dehumidifying cover plate assembly, 421 cover plate, 422 air outlet, 423 third sealing block, 500 mounting frame assembly, 510 mounting plate, 520 mounting frame, 530 magnetic metal plate, 540 mounting hole.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model provides a protection device of a photovoltaic inverter, which extracts external air to an inner cavity of a heat-conducting plate through a fan, heats the air through a refrigerating sheet, and disturbs air flow through a spoiler, so that the air can be uniformly cooled, the cooled air enters into the inner part of an outer protective shell to cool the inner part of the outer protective shell, the service life of equipment is ensured, and referring to fig. 1, the protection device comprises: an outer cover 100 and a bottom cover assembly 200;
referring to fig. 1-2, the bottom cover assembly 200 includes a bottom cover 210 and a cooling mechanism 220, the bottom cover 210 is disposed at an end opening of the outer casing 100, the cooling mechanism 220 includes a heat conductive plate 221 disposed on the side of the bottom cover 210 far from the outer casing 100 and communicated with an inner cavity of the outer casing 100, a cooling fin 222 disposed on an outer sidewall of the heat conductive plate 221, and a spoiler 223 disposed on a sidewall of the inner cavity of the heat conductive plate 221, a fan is mounted on the side of the heat conductive plate 221 far from the bottom cover 210, the bottom cover 210 is detachably mounted at a bottom opening of the outer casing 100 by bolts, the heat conductive plate 221 is made of copper or aluminum, the cooling fin 222 is a hot spot cooling fin, a cold end of the cooling fin 222 is in contact with the heat conductive plate 221, a hot end of the cooling fin 222 is disposed outside the heat conductive plate 221 and is not in contact with the heat conductive plate 221, a hot end of the cooling fin 222 is in heat exchange with external air, the cold end of the refrigerating sheet 222 is used for refrigerating the heat-conducting plate 221, the fan is detachably arranged at one end, far away from the bottom cover 210, of the heat-conducting plate 221 through the bolt, external air is extracted to the inner cavity of the heat-conducting plate 221 through the fan, air flow is disturbed through the spoiler 223, so that air and the heat-conducting plate 221 exchange heat, the air which passes through the heat exchange enters the inner cavity of the outer protective shell 100 to exchange heat with the air in the inner cavity of the outer protective shell 100, the inner cavity of the outer protective shell 100 is cooled, damage to electrical elements in the inner cavity of the outer protective shell 100 caused by high temperature is avoided, the service life of equipment is ensured, in addition, in order to avoid dust impurities in the external air entering the inner cavity of the outer protective shell 100, a filter screen is arranged on an air inlet of the fan, and the dust impurities in the air are filtered through the filter screen;
referring to fig. 1 to 3, the bottom cover assembly 200 further includes a first sealing block 230 disposed on the bottom cover 210 adjacent to one side of the outer casing 100 and inserted into the inner cavity of the outer casing 100, the first sealing block 230 being in contact with the inner cavity of the outer casing 100, the top cover assembly 300 including a top cover 310 disposed at the opening of the other end of the outer casing 100 and a second sealing block 320 disposed on the top cover 310 facing one side of the outer casing 100, the second sealing block 320 being inserted into the inner cavity of the outer casing 100 and in contact with the inner cavity of the outer casing 100, the first sealing block 230 being inserted into the inner cavity of the mounting block 110 and in contact with the inner cavity side wall of the mounting block 110, the first sealing block 230 being in sealing treatment with the inner cavity of the mounting block 110, capable of effectively preventing dust impurities in the outside air and moisture from entering the inner cavity of the outer casing 100, the service life of the device being further being secured by the top cover 310 being detachably mounted at the opening of one end of the mounting block 110, the second sealing block 320 being inserted into the inner cavity of the mounting block 110 and in contact with the inner cavity of the mounting block 110, the second sealing block 320 being in contact with the inner cavity of the outer casing 100, the dust impurities being prevented from entering the inner cavity of the outer casing 100, and the dust and moisture being further prevented from entering the inner cavity of the outer casing 100;
referring to fig. 1-2 and fig. 4-6, the dehumidifying mechanism 400 includes a dehumidifying bottom case assembly 410 disposed inside the bottom cover 210 and disposed in the cavity of the outer casing 100, and a dehumidifying cover plate assembly 420 disposed at the opening of the end of the dehumidifying bottom case assembly 410 and disposed in the cavity of the outer casing 100, the dehumidifying bottom case assembly 410 includes a bottom case 411 and an air inlet 412 disposed at the bottom of the cavity of the bottom case 411 and penetrating the bottom of the bottom case 411, the dehumidifying cover plate assembly 420 includes a cover plate 421 disposed at the opening of the end of the bottom case 411, an air outlet 422 disposed at the top of the cover plate 421 and penetrating the bottom of the cover plate 421, and a third sealing block 423 disposed at the bottom of the cover plate 421 and inserted into the cavity of the bottom case 411 and contacting the side wall of the cavity of the bottom case 411, the bottom case 411 being detachably mounted on the bottom cover 210 by bolts to one side of the outer casing 100, the bottom case 411 being disposed inside the first sealing block 230 and contacting the inner side wall of the first sealing block 230, the cavity of the bottom case 411 being filled with a desiccant, the cavity of the bottom case 411 being penetrated with the cavity of the inner cavity of the bottom case 411 by the air inlet 412, the air cooled down being introduced into the cavity of the filling the bottom case 411 through the air inlet 412, the cavity of the air sealing block being secured to the cavity of the inner cavity of the bottom case 421 and the inner cavity of the bottom case 421 through the inner cavity of the bottom case 411, and the air sealing the top sealing block 423, and moisture being prevented from entering the cavity of the top sealing case air chamber through the top sealing case 100;
referring to fig. 1 and 7-9, the side wall of the outer casing 100 is provided with a mounting block 110 and an electromagnet 120 disposed on the side of the mounting block 110 far from the outer casing 100, the mounting frame assembly 500 includes a mounting plate 510, a mounting frame 520 disposed on an end surface of the mounting plate 510, a magnetic metal plate 530 disposed on an end surface of the mounting plate 510 and disposed inside the mounting frame 520, and a mounting hole 540 disposed on an end surface of the mounting plate 510 and disposed outside the mounting frame 520 and penetrating the other end surface of the mounting plate 510, the mounting frame 520 is connected with the mounting block 110, the magnetic metal plate 530 corresponds to the electromagnet 120, the mounting plate 510 is detachably mounted on a building or a bracket by bolts, the mounting block 110 is inserted inside the mounting frame 520, the electromagnet 120 contacts with the magnetic metal plate 530, the power supply of the electromagnet 120 is connected, the electromagnet 120 is electrified to generate magnetism to adsorb the magnetic metal plate 530, the outer protective shell 100 is fixed on the mounting plate 510 through the matching use of the electromagnet 120 and the magnetic metal plate 530, when the circuit reconstruction needs to replace or disassemble the photovoltaic inverter, the power supply of the electromagnet 120 is cut off, the outer protective shell 100 is directly taken down from the mounting frame assembly 500, a new photovoltaic inverter is mounted on the mounting frame assembly 500, the power supply of the electromagnet 120 on the new photovoltaic inverter is connected, so that the purpose of replacing the photovoltaic inverter is achieved, the purpose of quick disassembly and replacement cannot be achieved without oxidizing and rusting of bolts, and the working efficiency is improved.
Although the utility model has been described hereinabove with reference to embodiments, various modifications thereof may be made and equivalents may be substituted for elements thereof without departing from the scope of the utility model. In particular, the features of the disclosed embodiments may be combined with each other in any manner so long as there is no structural conflict, and the exhaustive description of these combinations is not given in this specification merely for the sake of brevity and resource saving. Therefore, it is intended that the utility model not be limited to the particular embodiment disclosed, but that the utility model will include all embodiments falling within the scope of the appended claims.
Claims (8)
1. The utility model provides a protection device of photovoltaic inverter which characterized in that: comprising the following steps:
an outer casing (100);
the bottom cover assembly (200), bottom cover assembly (200) includes bottom (210) and cooling body (220), bottom (210) set up outer shell (100) tip opening part, cooling body (220) are including setting up on bottom (210) keep away from outer shell (100) one side and with heat conduction board (221) that outer shell (100) inner chamber link up mutually, set up refrigerating sheet (222) on heat conduction board (221) lateral wall and set up spoiler (223) on heat conduction board (221) inner chamber lateral wall, keep away from on heat conduction board (221) bottom (210) one side is installed the fan.
2. The protection device for a photovoltaic inverter of claim 1, wherein: the bottom cover assembly (200) further comprises a first sealing block (230) which is arranged on the bottom cover (210) and adjacent to one side of the outer protective shell (100) and is inserted into the inner side of the outer protective shell (100), and the first sealing block (230) is in contact with the side wall of the inner cavity of the outer protective shell (100).
3. The protection device for a photovoltaic inverter of claim 2, wherein: the novel inner cavity sealing device comprises an outer protecting shell (100), and is characterized by further comprising a top cover assembly (300), wherein the top cover assembly (300) comprises a top cover (310) arranged at the opening of the other end part of the outer protecting shell (100) and a second sealing block (320) arranged on the top cover (310) and facing one side of the outer protecting shell (100), and the second sealing block (320) is inserted into the inner cavity of the outer protecting shell (100) and is contacted with the side wall of the inner cavity of the outer protecting shell (100).
4. A protection device for a photovoltaic inverter according to claim 3, characterized in that: also comprises a dehumidifying mechanism (400), the dehumidification mechanism (400) comprises a dehumidification bottom box assembly (410) arranged on the inner side of the bottom cover (210) and arranged in the inner cavity of the outer protective shell (100) and a dehumidification cover plate assembly (420) arranged at the opening of the end part of the dehumidification bottom box assembly (410) and arranged in the inner cavity of the outer protective shell (100).
5. The protection device for a photovoltaic inverter of claim 4, wherein: the dehumidifying bottom box assembly (410) comprises a bottom box (411) and an air inlet hole (412) which is arranged at the bottom of an inner cavity of the bottom box (411) and penetrates through the bottom of the bottom box (411).
6. The protection device for a photovoltaic inverter of claim 5, wherein: the dehumidifying cover plate assembly (420) comprises a cover plate (421) arranged at the opening of the end part of the bottom box (411), an exhaust hole (422) formed in the top of the cover plate (421) and penetrating through the bottom of the cover plate (421), and a third sealing block (423) arranged at the bottom of the cover plate (421) and inserted into the inner cavity of the bottom box (411) and contacted with the side wall of the inner cavity of the bottom box (411).
7. The protection device for a photovoltaic inverter of claim 6, wherein: the side wall of the outer protective shell (100) is provided with a mounting block (110), and an electromagnet (120) arranged on the mounting block (110) and far away from one side of the outer protective shell (100).
8. The protection device for a photovoltaic inverter of claim 7, wherein: still including installing frame assembly (500), installing frame assembly (500) include mounting panel (510), set up install frame (520) on mounting panel (510) terminal surface, set up mounting panel (510) terminal surface and set up magnetic metal plate (530) of installation frame (520) inboard and set up mounting panel (510) terminal surface and set up in the installation frame (520) outside and run through mounting hole (540) of another terminal surface of mounting panel (510), install frame (520) with install piece (110) are connected, magnetic metal plate (530) with electro-magnet (120) are corresponding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321236344.3U CN219843901U (en) | 2023-05-22 | 2023-05-22 | Protection device of photovoltaic inverter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321236344.3U CN219843901U (en) | 2023-05-22 | 2023-05-22 | Protection device of photovoltaic inverter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219843901U true CN219843901U (en) | 2023-10-17 |
Family
ID=88303661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321236344.3U Active CN219843901U (en) | 2023-05-22 | 2023-05-22 | Protection device of photovoltaic inverter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219843901U (en) |
-
2023
- 2023-05-22 CN CN202321236344.3U patent/CN219843901U/en active Active
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |