CN210693781U

CN210693781U - Photovoltaic contravariant cabinet with high-efficient heat dissipation function

Info

Publication number: CN210693781U
Application number: CN201921596131.5U
Authority: CN
Inventors: 徐智斌; 卫淑梅; 周清华; 韩权
Original assignee: Shanxi Jingtian Energy Technology Co Ltd
Current assignee: Shanxi Jingtian Energy Technology Co Ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-06-05
Anticipated expiration: 2029-09-24

Abstract

The utility model discloses a photovoltaic inverter cabinet with high-efficiency heat dissipation function, which comprises an inverter cabinet, wherein two air inlets are symmetrically arranged on the front side and the rear side of the upper end of the outer side surface of the inverter cabinet, a first rectangular box body is arranged at one end of the outer side surface of the inverter cabinet, which is close to the air inlets, a second rectangular box body is arranged on the upper surface of the inverter cabinet, the outer side surface of the second rectangular box body is connected with the bottom of the outer side surface of the inverter cabinet through a flow guide cover, an insect-proof net is arranged at one end of the inner side surface of the second rectangular box body, which is close to the flow guide cover, and the second rectangular box body is rotatably connected with a hollow positioning column through a sealing bearing arranged in the middle of the upper surface of the second rectangular box body, the air around can be guided through annular kuppe and flabellum, can effectively improve the air input of air collecting nozzle.

Description

Photovoltaic contravariant cabinet with high-efficient heat dissipation function

Technical Field

The utility model relates to a photovoltaic technology field specifically is a photovoltaic contravariant cabinet with high-efficient heat dissipation function.

Background

With increasing attention paid to energy crisis and environmental protection, solar energy is increasingly used as clean and renewable energy, and in solar power generation, a photovoltaic inverter converts direct current generated by a solar cell module into alternating current which can be connected to a grid. The inversion unit of the photovoltaic inverter is the core of the whole device. At present, an inversion unit and a reactor playing a role in filtering are placed in a cabinet of a common inversion cabinet, the inversion unit and the reactor are main heating sources, heat of components in the inverter cabinet interferes mutually, heat can not be dissipated timely, the heat dissipation effect is influenced, and the components are easily damaged due to overhigh temperature in the cabinet, so that normal work of the inverter is influenced.

The heat dissipation mode of the present inversion cabinet is to set up a heat dissipation fan in the inversion cabinet, and increase the internal and external gas exchange of the inversion cabinet through the heat dissipation fan, thereby taking away the heat in the inversion cabinet, but adopt the heat dissipation fan to waste certain electric energy often, secondly need arrange a large amount of wires and the heat dissipation fan in the inside of the inversion cabinet and can temporarily use a large amount of inner spaces of the cabinet.

Another heat dissipation method of the inverter cabinet adopted at present is to arrange a ventilating grid on the outer side surface of the inverter cabinet for heat dissipation, and to dissipate heat through the ventilating grid.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a photovoltaic contravariant cabinet with high-efficient heat dissipation function, under the condition that does not use the electric energy, dispel the heat to equipment such as dc-to-ac converter through the inside of introducing the contravariant cabinet with the air, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a photovoltaic inverter cabinet with high-efficiency heat dissipation function comprises an inverter cabinet, wherein two air inlets are symmetrically arranged on the front side and the rear side of the upper end of the outer side surface of the inverter cabinet, a first rectangular box body is arranged at one end, close to the air inlets, of the outer side surface of the inverter cabinet, a second rectangular box body is arranged on the upper surface of the inverter cabinet, the outer side surface of the second rectangular box body is connected with the bottom of the outer side surface of the inverter cabinet through a flow guide cover, an insect-proof net is arranged at one end, close to the flow guide cover, of the inner side surface of the second rectangular box body, a hollow positioning column is rotatably connected to the second rectangular box body through a sealing bearing arranged in the middle of the upper surface of the second rectangular box body, a gas collecting nozzle is fixedly connected to the upper end of the outer side surface of the hollow positioning column, a direction rudder is connected to, the inner side surface of the positioning bearing is rotatably connected with a positioning shaft, three fan blades are annularly distributed on the outer side surface of the positioning shaft, and the fan blades are arranged at an air inlet of the air collecting nozzle.

Furthermore, a sealing cover plate is arranged at the front end of the outer side face of the inverter cabinet in a sealing mode, and a handle is arranged in the middle of the outer side face of the sealing cover plate.

Furthermore, the outer side surface of the first rectangular box body is connected with a maintenance cover plate in a sealing mode, and a dust screen is arranged on the inner side surface of the maintenance cover plate.

Furthermore, the lateral surface of air collecting nozzle is close to air inlet department and is equipped with supplementary air inlet cheek, and the quantity of supplementary air inlet cheek is two sets of, and two sets of supplementary air inlet cheek symmetry set up.

Furthermore, the air collecting nozzle is arranged on the outer side surface of the fan blade through an annular air guide cover, and the annular air guide cover is arranged close to the fan blade.

Compared with the prior art, the beneficial effects of the utility model are that: this photovoltaic contravariant cabinet with high-efficient heat dissipation function has following benefit: can effectively introduce the inside of photovoltaic contravariant cabinet with the air current through the gas collection mouth, can drive the gas collection mouth through the rudder and turn to for the direction of air current can be aimed at all the time to the gas collection mouth, can guide the air on every side through annular kuppe and flabellum, can effectively improve the air input of gas collection mouth.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a front view of the present invention.

In the figure: the device comprises a positioning support 1, a sealing cover plate 2, a handle 3, an inverter cabinet 4, a maintenance cover plate 5, a first rectangular box 6, a second rectangular box 7, an air collecting nozzle 8, a positioning rib plate 9, a rudder 10, a connecting frame 11, an annular air guide sleeve 12, fan blades 13, a dust screen 14, a positioning bearing 15, a positioning shaft 16, an auxiliary air inlet cheek 17, a hollow positioning column 18 and an insect screen 19.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution: a photovoltaic inverter cabinet with high-efficiency heat dissipation function comprises an inverter cabinet 4, wherein a sealing cover plate 2 is arranged at the front end of the outer side surface of the inverter cabinet 4 in a sealing mode, a handle 3 is arranged in the middle of the outer side surface of the sealing cover plate 2, two air inlets are symmetrically arranged on the front side and the rear side of the upper end of the outer side surface of the inverter cabinet 4, a first rectangular box body 6 is arranged at one end, close to the air inlets, of the outer side surface of the inverter cabinet 4, a maintenance cover plate 5 is connected to the outer side surface of the first rectangular box body 6 in a sealing mode, a dust screen 14 is arranged on the inner side surface of the maintenance cover plate 5, a second rectangular box body 7 is arranged on the upper surface of the inverter cabinet 4, the outer side surface of the second rectangular box body 7 is connected with the bottom of the outer side surface of the inverter cabinet 4 through a flow guide cover, the second rectangular box body 7 is communicated with the inverter cabinet 4 through a flow guide, the upper end of the outer side of the hollow positioning column 18 is fixedly connected with a gas collecting nozzle 8, the outer side of the gas collecting nozzle 8 is provided with auxiliary gas inlet cheeks 17 near the gas inlet, the number of the auxiliary gas inlet cheeks 17 is two, the two auxiliary gas inlet cheeks 17 are symmetrically arranged, the gas collecting nozzle 8 is connected with a rudder 10 through a positioning rib plate 9 arranged at the upper end of the outer side of the gas collecting nozzle 8, the rudder 10 is arranged at the tail part of the outer side of the gas collecting nozzle 8, the gas collecting nozzle 8 is fixedly connected with a positioning bearing 15 through a positioning support 1 arranged at the inner side of the gas collecting nozzle 8, the inner side of the positioning bearing 15 is rotatably connected with a positioning shaft 16, three fan blades 13 are annularly distributed at the outer side of the positioning shaft 16, the fan blades 13 are arranged at the gas inlet of the gas collecting nozzle 8, the gas collecting nozzle 8 is arranged at the outer side of the annular flow guide hood 12 close to the fan blades 13, the photovoltaic, can drive air collecting nozzle 8 through rudder 10 and turn to for air collecting nozzle 8 can aim at the direction of air current all the time, can guide the air on every side through annular kuppe 12 and flabellum 13, can effectively improve the air input of air collecting nozzle 8.

When in use: blow rudder 10 by the air current, drive collection air cock 8 by rudder 10 and turn to, make collection air cock 8 can aim at the air current, assemble the air on every side by annular kuppe 12 simultaneously, by rotatory flabellum 13 with the inside of air quick propelling movement to collection air cock 8, the inside air current of collection air cock 8 enters into the inside of second rectangle box 7 via cavity reference column 18, enter into the medial surface bottom of contravariant cabinet 4 via the kuppe again, discharge via the gas outlet that sets up on the lateral surface upper end of contravariant cabinet 4 at last, the air current takes away the heat in the contravariant cabinet 4.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a photovoltaic contravariant cabinet with high-efficient heat dissipation function which characterized in that: the air inlet type inverter comprises an inverter cabinet (4), wherein two front and back symmetrical air inlets are arranged on the front side and the back side of the upper end of the outer side face of the inverter cabinet (4), a first rectangular box body (6) is arranged at one end, close to the air inlets, of the outer side face of the inverter cabinet (4), a second rectangular box body (7) is arranged on the upper surface of the inverter cabinet (4), the outer side face of the second rectangular box body (7) is connected with the bottom of the outer side face of the inverter cabinet (4) through a flow guide cover, an insect-proof net (19) is arranged at one end, close to the flow guide cover, of the inner side face of the second rectangular box body (7), a hollow positioning column (18) is rotatably connected to the second rectangular box body (7) through a sealing bearing arranged in the middle of the upper surface of the second rectangular box body, an air collecting nozzle (8, rudder (10) set up the lateral surface afterbody at air collecting nozzle (8), and air collecting nozzle (8) are through setting up locating support (1) fixedly connected with location bearing (15) at its medial surface, and the medial surface of location bearing (15) is rotated and is connected with location axle (16), and the lateral surface annular distribution of location axle (16) has three flabellum (13), and flabellum (13) set up the air inlet at air collecting nozzle (8).

2. The photovoltaic inverter cabinet with the efficient heat dissipation function as claimed in claim 1, wherein: the front end of the outer side face of the inverter cabinet (4) is provided with a sealing cover plate (2) which is arranged in a sealing mode, and the middle of the outer side face of the sealing cover plate (2) is provided with a handle (3).

3. The photovoltaic inverter cabinet with the efficient heat dissipation function as claimed in claim 1, wherein: the outer side surface of the first rectangular box body (6) is connected with a maintenance cover plate (5) in a sealing mode, and a dust screen (14) is arranged on the inner side surface of the maintenance cover plate (5).

4. The photovoltaic inverter cabinet with the efficient heat dissipation function as claimed in claim 1, wherein: the lateral surface of air collecting nozzle (8) is close to air inlet department and is equipped with supplementary cheek (17) that admits air, and the quantity of supplementary cheek (17) that admits air is two sets of, and two sets of supplementary cheek (17) symmetry that admits air set up.

5. The photovoltaic inverter cabinet with the efficient heat dissipation function as claimed in claim 1, wherein: the air collecting nozzle (8) is arranged on the outer side surface of the fan blade, and the annular air guide sleeve (12) is arranged close to the fan blade (13).