CN209948348U - A photovoltaic DC lightning protection distribution box - Google Patents

Abstract

The utility model discloses a photovoltaic direct current lightning protection power distribution box in the technical field of power distribution boxes. The chassis is located in the inner cavity of the support support, the motor box is provided with a servo motor, the left and right inner walls of the box body are symmetrically arranged with insulating plates, and the left and right outer walls of the U-shaped frame are sleeved with electrostatic cleaning nets Matching cleaning brushes, the left and right bottoms of the inner cavity of the box are provided with ash outlets, and the left and right sides of the bottom of the rear inner wall of the box are provided with guides that match the electrostatic dust collector. Two sets of vertical blocks are arranged between the top rear side and the bottom rear side of the box body, and the vertical blocks are located in front of the U-shaped frame, and an exhaust fan is arranged in the heat dissipation port, and the front side of the box body is hinged with a pull The door of the utility model has a simple structure and can effectively prevent rain, lightning, dust, and electric leakage.

Description

A photovoltaic DC lightning protection distribution box

technical field

The utility model relates to the technical field of distribution boxes, in particular to a photovoltaic DC lightning protection distribution box.

Background technique

The distribution box is a small power distribution box with a power switch and a safety device inside. It has a relatively simple structure and is mostly used for terminal power distribution. The existing distribution box is often placed outdoors and is easily affected by lightning in summer. , and long-term storage in the outdoor distribution box will accumulate more dust, which will interfere with the normal operation of the electrical components in the distribution box, and even affect the service life of some electrical components. For this reason, we propose a photovoltaic DC lightning protection system. Electric box.

Utility model content

The purpose of the present invention is to provide a photovoltaic DC lightning protection distribution box to solve the problems raised in the above background technology.

In order to achieve the above purpose, the utility model provides the following technical solutions: a photovoltaic DC lightning protection distribution box, including a box body, the top of the box body is provided with a rain shelter, and the bottom of the box body is provided with a support support and the motor box, and the motor box is located in the inner cavity of the support support, the motor box is provided with a servo motor, the left and right inner walls of the box body are symmetrically provided with insulating plates, and the opposite side of the insulating plate is provided with electrostatic suction Dust net, the rear inner wall of the box body is vertically provided with grooves, the grooves are vertically provided with screw rods, and the bottom of the screw rods penetrates through the bottom of the box body and is fixedly connected to the upper output shaft of the servo motor , the outer wall of the screw rod is provided with a sliding block through threaded cooperation, the front side of the sliding block is provided with a U-shaped frame, and the left and right outer walls of the U-shaped frame are sleeved with a cleaning filter that matches the electrostatic dust collector. The left and right bottoms of the inner cavity of the box are provided with ash outlets, and the left and right sides of the bottom of the rear inner wall of the box are provided with guides matching the electrostatic cleaning net, and one end passes through The ash outlet extends to the outside of the box body, two sets of vertical blocks are arranged between the top rear side and the bottom rear side of the box body, and the vertical blocks are located in front of the U-shaped frame, and the front side of the vertical block is provided with An insulating mounting plate, the front side of the insulating mounting plate is provided with a switch card rail and a lightning arrester, and the lightning arrester is located above the switch card rail, the bottom of the box body is provided with a heat dissipation port, and the heat dissipation port is provided with a row The fan, the front side of the box is hinged with a sliding door.

Further, the width of the insulating plate and the width of the electrostatic cleaning net are the same as the width of the box body, and the length of the cleaning brush is equal to the width of the electrostatic cleaning net.

Further, the left and right ends of the rear side of the U-shaped frame are provided with dovetail sliding blocks, and the inner wall of the rear side of the box body is vertically provided with dovetail sliding grooves matching with the dovetail sliding blocks.

Further, the front side of the support bracket is provided with long heat dissipation holes, and the left and right sides of the electrical box are provided with heat dissipation holes.

Further, the cross section of the top of the rain shelter is triangular.

Further, an insulating layer is provided on the inner wall of the housing cavity of the box body.

Compared with the prior art, the beneficial effect of the utility model is: the utility model adsorbs the dust in the box through the electrostatic dust suction net, and then cleans the dust on the surface by the cleaning brush, and the cleaned dust falls to the feeder. The dust is discharged to the outside of the box by the material guide through the ash outlet, which ensures the normal operation of the electrical components. The installation of the rain shelter can effectively prevent rain, prevent the rain from entering the box and cause a short circuit, and increase the power distribution. The service life of the box can be effectively dissipated in the box through the cooling holes and the exhaust fan, so that the electrical components are in a normal working environment.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Figure 2 is a schematic diagram of the U-shaped frame structure of the present invention.

In the picture: 1 box, 2 canopy, 3 support bracket, 4 motor box, 5 servo motor, 6 insulating plate, 7 electrostatic cleaning net, 8 groove, 9 screw rod, 10 sliding block, 11 U-shaped frame , 12 cleaning brush, 13 material guide, 14 ash outlet, 15 vertical block, 16 insulating mounting plate, 17 switch rail, 18 lightning arrester, 19 cooling outlet.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-2, the present utility model provides a technical solution: a photovoltaic DC lightning protection distribution box, including a box body 1, the top of the box body 1 is provided with a rain shelter 2, and the bottom of the box body 1 is provided with a The support bracket 3 and the motor box 4 are supported, and the motor box 4 is located in the inner cavity of the support bracket 3. The motor box 4 is provided with a servo motor 5. The servo motor 5 is connected to an external power supply through a wire, and the left and right inner walls of the box body 1 are symmetrically arranged There is an insulating plate 6, the opposite side of the insulating plate 6 is provided with an electrostatic dust-absorbing net 7, a groove 8 is vertically arranged on the inner wall of the rear side of the box body 1, and a screw rod 9 is vertically arranged in the groove 8, and the screw rod 9 The bottom of the screw rod penetrates the bottom of the box body 1 and is fixedly connected to the upper end output shaft of the servo motor 5. The outer wall of the screw rod 9 is provided with a sliding block 10 through threaded cooperation. The front side of the sliding block 10 is provided with a U-shaped frame 11. The U-shaped frame 11 The left and right outer walls of the box body 1 are sleeved with cleaning brushes 12 that match the electrostatic cleaning net 7 , the left and right bottoms of the inner cavity of the box body 1 are provided with ash outlets 14 , and the left and right sides of the bottom of the rear inner wall of the box body 1 Both are provided with a material guide 13 that matches the electrostatic cleaning net 7, and one end extends to the outside of the box body 1 through the ash outlet. Two sets of vertical blocks are arranged between the top rear side and the bottom rear side of the box body 1 15, and the vertical block 15 is located in front of the U-shaped frame 11, the front side of the vertical block 15 is provided with an insulating mounting plate 16, and the front side of the insulating mounting plate 16 is provided with a switch rail 17 and a lightning arrester 18, and the lightning arrester 18 is located above the switch rail 17, the bottom of the box body 1 is provided with a heat dissipation port 19, and the heat dissipation port 19 is provided with an exhaust fan, and the front side of the box body 1 is hinged with a sliding door.

As shown in FIG. 1 , the width of the insulating plate 6 and the width of the electrostatic cleaning net 7 are the same as the width of the box body 1 , and the length of the cleaning brush 12 is equal to the width of the electrostatic cleaning net 7 , so that the electrostatic cleaning net 7 can absorb wider range;

As shown in FIG. 1 , the left and right ends of the rear side of the U-shaped frame 11 are provided with dovetail sliding blocks, and the inner wall of the rear side of the box body 1 is vertically provided with a dovetail sliding groove matching the dovetail sliding block, so as to prevent the U-shaped frame 11 The left and right sides of the device sway back and forth;

As shown in Figure 1, the front side of the support bracket 3 is provided with long heat dissipation holes, and the left and right sides of the motor box 4 are provided with heat dissipation holes to facilitate heat dissipation and make the electrical components in the distribution box in a normal working environment;

As shown in Figure 1, the cross section of the top of the rain shelter 2 is triangular, which is convenient for rainwater to be discharged to both sides of the box body 1;

As shown in FIG. 1 , the inner wall of the housing cavity of the box body 1 is provided with an insulating layer to prevent the occurrence of electric leakage.

Example: The electrostatic cleaning net 7 adsorbs the dust in the box 1, and driven by the servo motor 5, the sliding block 10 moves up and down, the sliding block 10 drives the U-shaped frame 11 to move up and down, and the U-shaped frame 11 drives the cleaning brush 12 moves up and down, so as to clean the dust adsorbed on the electrostatic adsorption net 7, the cleaned dust falls on the material guide 13, and the material guide 3 discharges the dust out of the box 1 through the ash outlet 14, and passes through the insulating layer. , The insulating mounting plate 16 and the lightning arrester 18 can effectively prevent lightning and electric leakage, and can effectively prevent rain through the rain-proof shed 2 .

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

Claims (6)

1. The utility model provides a photovoltaic direct current lightning protection block terminal, includes box (1), its characterized in that: the box is characterized in that a rainproof shed (2) is arranged at the top of the box body (1), a supporting support (3) and a motor box (4) are arranged at the bottom of the box body (1), the motor box (4) is positioned in an inner cavity of the supporting support (3), a servo motor (5) is arranged in the motor box (4), insulation boards (6) are symmetrically arranged on inner walls of the left side and the right side of the box body (1), an electrostatic dust collection net (7) is arranged on one side of the opposite surface of each insulation board (6), a groove (8) is vertically arranged on the inner wall of the rear side of the box body (1), a lead screw (9) is vertically arranged in the groove (8), the bottom of the lead screw (9) penetrates through the bottom of the box body (1) and is fixedly connected with an upper end output shaft of the servo motor (5), a sliding block (10) is arranged on the outer wall of, the cleaning brush (12) matched with the electrostatic dust collection net (7) is sleeved on the outer wall of the left side and the right side of the U-shaped frame (11), ash outlets (14) are formed in the bottoms of the left side and the right side of the inner cavity of the box body (1), material guides (13) matched with the electrostatic dust collection net (7) are arranged on the left side and the right side of the inner wall bottom of the rear side of the box body (1), one end of each material guide extends to the outer side of the box body (1) through the ash outlets, two groups of vertical blocks (15) are arranged between the rear side of the top and the rear side of the bottom of the box body (1), the vertical blocks (15) are located in front of the U-shaped frame (11), an insulating mounting plate (16) is arranged on the front side of the vertical blocks (15), a switch clamping rail (17) and a lightning arrester (18) are arranged on the front side of the insulating mounting plate (16), the lightning arrester (18) is located above the switch clamping rail (17), and an exhaust fan is arranged in the heat dissipation opening (19), and the front side of the box body (1) is hinged with a sliding door.

2. The photovoltaic direct current lightning protection distribution box of claim 1, characterized in that: the width of the insulating plate (6) and the width of the electrostatic dust collection net (7) are the same as the width of the box body (1), and the length of the cleaning brush (12) is equal to the width of the electrostatic dust collection net (7).

3. The photovoltaic direct current lightning protection distribution box of claim 1, characterized in that: the U-shaped frame (11) rear side both ends all are provided with the forked tail slider about, the rear side inner wall of box (1) is vertical be provided with forked tail slider assorted forked tail spout.

4. The photovoltaic direct current lightning protection distribution box of claim 1, characterized in that: the front side of the supporting support (3) is provided with a heat dissipation long hole, and the left side and the right side of the motor box (4) are provided with heat dissipation holes.

5. The photovoltaic direct current lightning protection distribution box of claim 1, characterized in that: the cross section of the top of the rain-proof shed (2) is triangular.

6. The photovoltaic direct current lightning protection distribution box of claim 1, characterized in that: an insulating layer is arranged on the inner wall of the inner cavity of the shell of the box body (1).

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