CN215580917U

CN215580917U - High dynamic DC voltage controller of photovoltaic inverter

Info

Publication number: CN215580917U
Application number: CN202121022243.7U
Authority: CN
Inventors: 倪丽忠
Original assignee: Ruian Enchi Electronics Co ltd
Current assignee: Ruian Enchi Electronics Co ltd
Priority date: 2021-05-13
Filing date: 2021-05-13
Publication date: 2022-01-18
Anticipated expiration: 2031-05-13

Abstract

The utility model discloses a high dynamic DC voltage controller of a photovoltaic inverter in the field of inverters, which comprises a damp-proof plate, wherein the top of the damp-proof plate is fixedly connected with a case, two sides of the case are provided with radiating strips, an inner cavity of the case is fixedly connected with a fan, the surface of the case is fixedly connected with a filter screen, the surface of the filter screen is fixedly connected with a plurality of bolts, the top of the case is fixedly connected with a cover plate, by additionally arranging the heat dissipation holes on the surface of the high-dynamic DC voltage controller of the existing photovoltaic inverter, when in operation, the radiating strips and the radiating fans are arranged on the two sides of the photovoltaic inverter carrying the high dynamic DC voltage controller, thereby preventing the high dynamic DC voltage controller from being easily damaged by a circuit caused by overhigh heating temperature in a natural environment, avoiding safety accidents, and the sealing rubber strip is arranged at the position where the door plate is connected with the case, so that the interior of the case body is prevented from being easily damped, and the normal operation of the high-dynamic DC voltage controller is ensured.

Description

High dynamic DC voltage controller of photovoltaic inverter

Technical Field

The utility model relates to the field of inverters, in particular to a high-dynamic DC voltage controller of a photovoltaic inverter.

Background

Photovoltaic inverters are inverters that convert variable dc voltage produced by Photovoltaic (PV) solar panels into mains frequency Alternating Current (AC), which can be fed back to a commercial power transmission system or used by an off-grid power grid.

When the high dynamic DC voltage controller of the existing photovoltaic inverter operates, the photovoltaic inverter carrying the high dynamic DC voltage controller is easy to damage a circuit of the voltage controller due to overhigh heating temperature in a natural environment, even causes accidents, has potential safety hazards, and the interior of a box body is easy to damp, so that the normal operation of the high dynamic DC voltage controller is influenced.

SUMMERY OF THE UTILITY MODEL

It is an object of the present invention to provide a high dynamic DC voltage controller for a photovoltaic inverter to solve the problems set forth in the background above.

In order to achieve the purpose, the utility model provides the following technical scheme:

the high-dynamic DC voltage controller of the photovoltaic inverter comprises a damp-proof plate, wherein the top of the damp-proof plate is fixedly connected with a case, two sides of the case are provided with radiating strips, an inner cavity of the case is fixedly connected with a fan, the surface of the case is fixedly connected with a filter screen, the surface of the filter screen is fixedly connected with a plurality of bolts, the top of the case is fixedly connected with a cover plate, the surface of the front of the case is fixedly connected with a plurality of hinges, the surface of each hinge is fixedly connected with a door plate, the surface of the door plate is fixedly connected with a handle, the inner side of the door plate is fixedly connected with a sealing rubber strip, the surface of the inner side of the door plate is fixedly connected with a central control box, the bottom of the central control box is fixedly connected with a connecting wire, the surface of the connecting wire is fixedly connected with a control block, the surface of the control block is fixedly connected with an electric knob, and the top of the inner cavity of the case is fixedly connected with a first voltage controller, the power analyzer is fixedly connected to the bottom of the inner cavity of the case, heat dissipation holes are formed in the surface of the first voltage controller, the indicating lamp is fixedly connected to the surface of the door plate, and the display screen is fixedly connected to the surface of the door plate.

As a further scheme of the utility model: the filter screen passes through the fixed surface connection of bolt and quick-witted case, just the inner chamber and the fan fixed connection of machine case.

As a still further scheme of the utility model: the heat dissipation strip is fixedly connected with the two sides of the case, and the heat dissipation holes penetrate through the inside and the outside of the first voltage controller.

As a still further scheme of the utility model: the bottom of the case is fixedly connected with the moisture-proof plate, and the top of the case is fixedly connected with the cover plate.

As a still further scheme of the utility model: the sealing rubber strip is fixedly connected with the inner cavity of the door plate, and the inner side of the door plate is fixedly connected with the central control box.

As a still further scheme of the utility model: the door plate is fixedly connected with the case through a hinge, and the door plate is fixedly connected with the handle.

As a still further scheme of the utility model: the door plate is fixedly connected with the indicating lamp, and the door plate is fixedly connected with the display screen.

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

according to the utility model, the radiating holes are additionally arranged on the surface of the high-dynamic DC voltage controller of the existing photovoltaic inverter, and when the photovoltaic inverter runs, the radiating strips and the radiating fans are arranged on the two sides of the photovoltaic inverter carrying the high-dynamic DC voltage controller, so that the high-dynamic DC voltage controller is prevented from being damaged by a circuit easily caused by overhigh heating temperature in a natural environment, safety accidents are avoided, and the sealing rubber strip is arranged at the position where the door plate is connected with the case, so that the interior of the case body is prevented from being easily affected with damp, and the normal operation of the high-dynamic DC voltage controller is ensured.

Drawings

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

FIG. 2 is a schematic view of the handle of the present invention;

FIG. 3 is an enlarged view of the structure at A in the present invention;

in the figure: 1. a moisture-proof plate; 2. a chassis; 3. a heat dissipating strip; 4. a bolt; 5. filtering with a screen; 6. a fan; 7. a door panel; 8. a handle; 9. a hinge; 10. a display screen; 11. an indicator light; 12. a first voltage controller; 13. a central control box; 14. sealing rubber strips; 15. a connecting wire; 16. a control block; 17. an electric button; 18. a power analyzer; 19. a cover plate; 20. and (4) heat dissipation holes.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 3, in the embodiment of the present invention, the high dynamic DC voltage controller for a photovoltaic inverter includes a moisture-proof plate 1, a case 2 is fixedly connected to the top of the moisture-proof plate 1, heat dissipation strips 3 are disposed on both sides of the case 2, a fan 6 is fixedly connected to an inner cavity of the case 2, a filter screen 5 is fixedly connected to a surface of the case 2, a plurality of bolts 4 are fixedly connected to a surface of the filter screen 5, a cover plate 19 is fixedly connected to the top of the case 2, a plurality of hinges 9 are fixedly connected to a surface of the front of the case 2, a door 7 is fixedly connected to a surface of the hinges 9, a handle 8 is fixedly connected to a surface of the door 7, a sealing rubber strip 14 is fixedly connected to an inner side of the door 7, a central control box 13 is fixedly connected to a surface of the inner side of the door 7, a connecting wire 15 is fixedly connected to a surface of the central control box 13, a control block 16 is fixedly connected to a surface of the connecting wire 15, and an electric button 17 is fixedly connected to a surface of the control block 16, the top fixedly connected with first voltage controller 12 of machine case 2 inner chamber, the bottom fixedly connected with power analyzer 18 of machine case 2 inner chamber, louvre 20 has been seted up on the surface of first voltage controller 12, and the fixed surface of door plant 7 is connected with pilot lamp 11, and the fixed surface of door plant 7 is connected with display screen 10.

Wherein, the filter screen 5 is fixedly connected with the surface of the case 2 through the bolt 4, and the inner cavity of the case 2 is fixedly connected with the fan 6, when in use, the ventilation effect is convenient to increase, the heat dissipation strip 3 is fixedly connected with the two sides of the case 2, the heat dissipation hole 20 penetrates through the inside and the outside of the first voltage controller 12, when in use, the heat dissipation function is convenient to increase, the high dynamic DC voltage controller is prevented from being damaged easily by the circuit due to overhigh heating temperature under natural environment, the safety accident is avoided, the bottom of the case 2 is fixedly connected with the damp-proof plate 1, the top of the case 2 is fixedly connected with the cover plate 19, when in use, the case body of the case 2 is convenient to protect, the internal parts are not easy to damage, the sealing rubber strip 14 is fixedly connected with the inner cavity of the door plate 7, the inner side of the door plate 7 is fixedly connected with the central control box 13, when in use, the interior of the case 2 is convenient to protect from being damped, and the normal operation of the high dynamic DC voltage controller is ensured, door plant 7 passes through hinge 9 fixed connection with quick-witted case 2, and door plant 7 and handle 8 fixed connection, is convenient for protect the inside line part during the use,

door plant

7 and 11 fixed connection of pilot lamp, and door plant 7 and display screen 10 fixed connection, are convenient for show inside line operation data during the use.

The working principle of the utility model is as follows: during the use, the direct current that outside photovoltaic module produced, get into first voltage controller 12 after getting rid of the current fluctuation through power analyzer 18 earlier, convert the direct current into the alternating current in first voltage controller 12, thereby incorporate the electric wire netting or directly supply the load, first voltage controller 12 moves, through add louvre 20 on current first voltage controller 12 surface, simultaneously be equipped with heat dissipation strip 3 and fan 6 in the quick-witted case 2 both sides of the photovoltaic inverter who carries on high dynamic DC voltage controller, prevent that high dynamic DC voltage controller from leading to the circuit damage because the high temperature that is heated easily under natural environment, avoid taking place the incident, and be equipped with joint strip 14 in the place that door plant 7 and quick-witted case 2 are connected, prevent that quick-witted case 2 is inside from weing easily, ensure high dynamic DC voltage controller's normal operating.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. Photovoltaic inverter's high dynamic DC voltage controller, including dampproofing board (1), its characterized in that: the heat dissipation device is characterized in that the top of the moisture-proof plate (1) is fixedly connected with a case (2), the two sides of the case (2) are provided with heat dissipation strips (3), an inner cavity of the case (2) is fixedly connected with a fan (6), the surface of the case (2) is fixedly connected with a filter screen (5), the surface of the filter screen (5) is fixedly connected with a plurality of bolts (4), the top of the case (2) is fixedly connected with a cover plate (19), the front surface of the case (2) is fixedly connected with a plurality of hinges (9), the surface of the hinges (9) is fixedly connected with a door plate (7), the surface of the door plate (7) is fixedly connected with a handle (8), the inner side of the door plate (7) is fixedly connected with a sealing rubber strip (14), the inner side surface of the door plate (7) is fixedly connected with a central control box (13), and the bottom of the central control box (13) is fixedly connected with a connecting wire (15), the fixed surface of connecting wire (15) is connected with control block (16), the fixed surface of control block (16) is connected with knob (17), the first voltage controller (12) of top fixedly connected with of machine case (2) inner chamber, the bottom fixedly connected with power analysis appearance (18) of machine case (2) inner chamber, louvre (20) have been seted up on the surface of first voltage controller (12), the fixed surface of door plant (7) is connected with pilot lamp (11), the fixed surface of door plant (7) is connected with display screen (10).

2. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the filter screen (5) is fixedly connected with the surface of the case (2) through a bolt (4), and the inner cavity of the case (2) is fixedly connected with the fan (6).

3. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the heat dissipation strip (3) is fixedly connected with the two sides of the case (2), and the heat dissipation holes (20) penetrate through the inside and the outside of the first voltage controller (12).

4. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the bottom of the case (2) is fixedly connected with the moisture-proof plate (1), and the top of the case (2) is fixedly connected with the cover plate (19).

5. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the sealing rubber strip (14) is fixedly connected with the inner cavity of the door panel (7), and the inner side of the door panel (7) is fixedly connected with the central control box (13).

6. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the door plate (7) is fixedly connected with the case (2) through a hinge (9), and the door plate (7) is fixedly connected with the handle (8).

7. The high dynamic DC voltage controller for a photovoltaic inverter of claim 1, wherein: the door plate (7) is fixedly connected with the indicator lamp (11), and the door plate (7) is fixedly connected with the display screen (10).