CN220342217U

CN220342217U - Grid-connected photovoltaic inverter

Info

Publication number: CN220342217U
Application number: CN202322007375.8U
Authority: CN
Inventors: 丰君
Original assignee: Henan Ruisheng Electric Power Technology Co ltd
Current assignee: Henan Ruisheng Electric Power Technology Co ltd
Priority date: 2023-07-28
Filing date: 2023-07-28
Publication date: 2024-01-12
Anticipated expiration: 2033-07-28

Abstract

The utility model relates to the technical field of photovoltaic inverters, in particular to a grid-connected photovoltaic inverter which comprises a supporting plate, wherein a lifting mechanism is welded on one side of the upper surface of the supporting plate, the photovoltaic inverter is welded on the lifting mechanism, an upper baffle is welded at the top end of the lifting mechanism, a rain-proof plate is welded at the front end of the upper baffle, the lifting mechanism comprises two symmetrically placed supporting columns, supporting shafts rotatably connected in the supporting columns and a power mechanism arranged between the supporting columns, and lifting blocks are connected on each supporting shaft in a threaded mode. After the photovoltaic inverter is installed, the height of the photovoltaic inverter can be adjusted as required, workers can overhaul the photovoltaic inverter more conveniently, the photovoltaic inverter can be controlled to rise after being installed at a lower position, and the photovoltaic inverter can be installed more conveniently.

Description

Grid-connected photovoltaic inverter

Technical Field

The utility model relates to the technical field of photovoltaic inverters, in particular to a grid-connected photovoltaic inverter.

Background

The inversion refers to a process of converting direct current into alternating current, the inverter circuit refers to a circuit capable of completing an inversion function, and the inverter refers to device equipment capable of realizing the inversion function. A photovoltaic inverter (also called a power supply regulator) is one type of inverter, and the type of inverter is commonly used in a photovoltaic power generation system, so the inverter is called a photovoltaic inverter. The photovoltaic inverter has the functions of automatic operation, shutdown and maximum power tracking control besides the direct-current alternating-current conversion function.

The utility model patent with the authority of publication number CN212463143U discloses a photovoltaic grid-connected inverter, which comprises a photovoltaic inverter body and a ventilating fan, wherein an inverter cabinet door is arranged on the surface of the photovoltaic inverter body, a hinge is arranged on the left side of the inverter cabinet door, a base is arranged below the photovoltaic inverter body, a moisture-proof layer is arranged inside the photovoltaic inverter body, an air inlet is arranged below an air outlet, a filter plate is arranged on the surface of the air inlet, a vent is arranged on the right side wall of the photovoltaic inverter body, a protective cover is arranged below the vent, a rubber ring is arranged below the protective cover, the ventilating fan is arranged below the rubber ring, and an active carbon adsorption layer is arranged on the surface of the protective cover. The photovoltaic grid-connected inverter is provided with the moisture-proof layer, so that the influence of redundant moisture in the photovoltaic inverter body on electronic components can be prevented, and the service life of the electronic components is prolonged.

Although the service life of the internal electronic components can be effectively prolonged, the electronic components are fixed in position after being installed, the height cannot be adjusted, and the electronic components are not convenient for a worker to jack up to detect and maintain. In view of this, we propose a grid-connected photovoltaic inverter.

Disclosure of Invention

The utility model provides a grid-connected photovoltaic inverter for solving the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a grid-connected photovoltaic inverter, includes the backup pad, backup pad upper surface one side welding has elevating system, the last photovoltaic inverter that welds of elevating system, the overhead gage has been welded on the elevating system top, the overhead gage front end has welded the flashing board;

the lifting mechanism comprises two symmetrically placed support columns, support shafts rotatably connected in the support columns and a power mechanism arranged between the support columns, and lifting blocks are connected to the support shafts in a threaded mode.

As the preferable technical scheme, the lifting groove is formed in the upper side of the front side surface of the support column, the power groove is formed in the lower side of the front side surface of the support column, and the connecting port is formed in the lower end of the right side surface of the power groove.

As the preferable technical scheme, power unit including weld in two supporting beam between the support column and rotate connect in the axis of rotation of supporting beam upper surface intermediate position, the rotation handle is installed to the axis of rotation upper end, the driving sprocket is installed to the axis of rotation lower extreme, driving sprocket installs drive chain outward, driven sprocket is all installed at the inboard both ends of drive chain, every driven sprocket all fixed mounting in the back shaft lower extreme.

As the preferable technical scheme, the support shaft comprises a threaded shaft and a connecting shaft welded at the lower end of the threaded shaft, and the connecting shaft is fixedly connected with the driven sprocket.

As an optimal technical scheme, the photovoltaic inverter is welded and fixed on the front side surface of the lifting block, a separation plate is arranged between the lifting groove and the power groove, and the connecting shaft is rotationally connected with the separation plate.

As the preferable technical scheme, the upper baffle plate is welded to the top end of the supporting column, and the supporting shaft is rotationally connected with the upper baffle plate.

As the preferable technical scheme, the height of the connecting port is larger than the thickness of the transmission chain, and the outer surface of the rotary handle is wrapped with a sponge sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

1. after the photovoltaic inverter is installed, the height of the photovoltaic inverter can be adjusted as required, and workers can overhaul the photovoltaic inverter more conveniently.

2. The lifting of the photovoltaic inverter can be controlled after the photovoltaic inverter is installed at a lower position, so that the photovoltaic inverter can be installed more conveniently.

Drawings

FIG. 1 is a schematic diagram of the overall structure of the present utility model;

FIG. 2 is a schematic diagram of a lifting mechanism according to the present utility model;

FIG. 3 is a schematic view of a support column according to the present utility model;

FIG. 4 is a schematic diagram of a power mechanism according to the present utility model;

fig. 5 is a schematic structural view of a support shaft according to the present utility model.

The meaning of each reference numeral in the figures is:

1. a support plate; 2. a lifting mechanism;

21. a support column; 211. a lifting groove; 212. a power tank; 213. a connection port;

22. a power mechanism; 221. a support beam; 222. rotating the handle; 223. a rotating shaft; 224. a driven sprocket; 225. a drive chain; 226. a drive sprocket;

23. a support shaft; 231. a threaded shaft; 232. a connecting shaft;

24. a lifting block;

3. a photovoltaic inverter; 4. rain-proof board; 5. and (5) an upper baffle.

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.

Referring to fig. 1-5, the present embodiment provides a technical solution:

the utility model provides a grid-connected photovoltaic inverter, including backup pad 1, backup pad 1 upper surface one side welding has elevating system 2, the welding has photovoltaic inverter 3 on elevating system 2, elevating system 2 top welding has overhead gage 5, overhead gage 5 front end welding has flashing 4, elevating system 2 includes two support columns 21 that the symmetry was placed, the back shaft 23 of rotating connection in every support column 21 and install the power unit 22 between support column 21, equal threaded connection has elevating block 24 on every support shaft 23, through above-mentioned mechanism, after photovoltaic inverter 3 accomplishes the installation, can adjust photovoltaic inverter 3's height as required, the staff can more conveniently overhaul it.

Further, a lifting groove 211 is formed in the upper side of the front surface of the support column 21, a power groove 212 is formed in the lower side of the front surface of the support column 21, a connecting port 213 is formed in the lower end of the right surface of the power groove 212, the upper baffle plate 5 is welded to the top end of the support column 21, the support shaft 23 is rotatably connected with the upper baffle plate 5, and the lifting block 24 is prevented from being separated from the lifting groove 211 through the upper baffle plate 5.

Further, the power mechanism 22 comprises a supporting beam 221 welded between the two supporting columns 21 and a rotating shaft 223 rotatably connected to the middle position of the upper surface of the supporting beam 221, a rotating handle 222 is installed at the upper end of the rotating shaft 223, a driving sprocket 226 is installed at the lower end of the rotating shaft 223, a driving chain 225 is installed outside the driving sprocket 226, driven sprockets 224 are installed at two ends of the inner side of the driving chain 225, each driven sprocket 224 is fixedly installed at the lower end of the supporting shaft 23, the height of the connecting port 213 is larger than the thickness of the driving chain 225, the driving chain 225 can penetrate through the connecting port 213, a sponge sleeve is wrapped on the outer surface of the rotating handle 222, and friction force generated by hand holding of a user is increased.

In this embodiment, the supporting shaft 23 includes a threaded shaft 231 and a connecting shaft 232 welded to the lower end of the threaded shaft 231, the connecting shaft 232 is fixedly connected with the driven sprocket 224, the photovoltaic inverter 3 is welded and fixed on the front side surface of the lifting block 24, a partition plate is arranged between the lifting groove 211 and the power groove 212, the connecting shaft 232 is rotatably connected with the partition plate, and the supporting shaft 23 is fixed in an auxiliary manner through the partition plate.

It should be noted that, the structure and the working principle of the driven sprocket 224, the driving chain 225, the driving sprocket 226 and the photovoltaic inverter 3 in the present embodiment are the same as those known to those skilled in the art, and are not described herein.

In the specific use process of the grid-connected photovoltaic inverter of this embodiment, the rotation handle 222 is rotated anticlockwise at first, the driving sprocket 226 controls the driven sprocket 224 to rotate through the driving chain 225, the driven sprocket 224 drives the threaded shaft 231 to rotate through the rotating shaft 223, the lifting block 24 in threaded connection on the threaded shaft 231 can descend, after the lifting block descends to a position convenient for the photovoltaic inverter 3 to detect, the rotation of the rotation handle 222 is stopped, the operator overhauls and maintains the photovoltaic inverter 3, and after the overhauls are completed, the rotation handle 222 is rotated clockwise, so that the lifting block 24 is controlled to ascend, and the photovoltaic inverter 3 is returned to the original position.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present utility model, and are not intended to limit the utility model, and that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. Grid-connected photovoltaic inverter, including backup pad (1), its characterized in that: lifting mechanisms (2) are welded on one side of the upper surface of the supporting plate (1), photovoltaic inverters (3) are welded on the lifting mechanisms (2), upper baffles (5) are welded on the top ends of the lifting mechanisms (2), and rainproof plates (4) are welded at the front ends of the upper baffles (5);

the lifting mechanism (2) comprises two symmetrically placed supporting columns (21), supporting shafts (23) rotatably connected in each supporting column (21) and a power mechanism (22) arranged between the supporting columns (21), and lifting blocks (24) are connected to each supporting shaft (23) in a threaded mode.

2. The grid-tied photovoltaic inverter of claim 1, wherein: lifting grooves (211) are formed in the upper side of the front side surface of the supporting column (21), a power groove (212) is formed in the lower side of the front side surface of the supporting column (21), and a connecting port (213) is formed in the lower end of the right side surface of the power groove (212).

3. The grid-tied photovoltaic inverter of claim 2, wherein: the power mechanism (22) comprises a supporting beam (221) welded between two supporting columns (21) and a rotating shaft (223) rotatably connected to the middle position of the upper surface of the supporting beam (221), a rotating handle (222) is installed at the upper end of the rotating shaft (223), a driving sprocket (226) is installed at the lower end of the rotating shaft (223), a driving chain (225) is installed outside the driving sprocket (226), driven sprockets (224) are installed at two ends of the inner side of the driving chain (225), and each driven sprocket (224) is fixedly installed at the lower end of the supporting shaft (23).

4. The grid-tied photovoltaic inverter of claim 3, wherein: the support shaft (23) comprises a threaded shaft (231) and a connecting shaft (232) welded at the lower end of the threaded shaft (231), and the connecting shaft (232) is fixedly connected with the driven sprocket (224).

5. The grid-tied photovoltaic inverter of claim 4, wherein: the photovoltaic inverter (3) is welded and fixed on the front side surface of the lifting block (24), a separation plate is arranged between the lifting groove (211) and the power groove (212), and the connecting shaft (232) is rotationally connected with the separation plate.

6. The grid-tied photovoltaic inverter of claim 1, wherein: the upper baffle (5) is welded to the top end of the supporting column (21), and the supporting shaft (23) is rotatably connected with the upper baffle (5).

7. The grid-tied photovoltaic inverter of claim 4, wherein: the height of the connecting port (213) is larger than the thickness of the transmission chain (225), and the outer surface of the rotary handle (222) is wrapped with a sponge sleeve.