CN212085558U - Low-voltage distribution box for power control - Google Patents

Abstract

The utility model relates to the technical field of electric power control, and discloses a low-voltage power distribution box for electric power control, comprising a box body, the bottom of the box body is fixedly mounted with a base, the top of the box body is fixedly mounted with a base plate, and the The top of the base plate is provided with a guide plate, the tops of the inner walls on both sides of the box body are respectively fixed with a first air pipe and a second air pipe, and the two sides of the bottom of the guide plate are fixed with fixed blocks. The bottom of the fixing block is provided with a fan, and a connection pipe is fixedly installed at the air suction end of the fan, and the other ends of the two connection pipes are respectively communicated with the first ventilation pipe and the second ventilation pipe. The utility model discharges the high-temperature air in the box to the outside through the fan, the first ventilation pipe and the second ventilation pipe, which accelerates the air circulation, improves the heat dissipation effect, avoids the short circuit between the electronic components and the lines in the box due to high temperature, and improves the air circulation. The operation stability of the distribution box ensures normal power supply.

Description

A low-voltage distribution box for power control

technical field

The utility model relates to the technical field of electric power control, in particular to a low-voltage distribution box for electric power control.

Background technique

Low-voltage distribution box, also known as low-voltage distribution cabinet, is an electrical device used for power control. It is commonly divided into indoor and outdoor. Compared with the indoor environment, the outdoor environment is harsher, and the low-voltage distribution box is outdoors for a long time. In the environment, it is easy to be exposed to high temperature and the temperature inside the box is too high. Only rely on the heat dissipation holes on the box wall to dissipate heat, and the heat dissipation effect is limited. To this end, we propose a low-voltage distribution box for power control.

Utility model content

In view of the above problems existing in the prior art, the utility model provides a low-voltage power distribution box for power control, which aims to perform ventilation-type heat dissipation for the power distribution box, accelerate air circulation, improve the heat dissipation effect of the power distribution box, and ensure normal power supply. .

In order to achieve the above purpose, the utility model provides a low-voltage power distribution box for power control, comprising a box body, a base is fixedly installed at the bottom of the box body, a base plate is fixedly installed at the top of the box body, and a base plate is fixedly installed on the top of the box body. The top is provided with a deflector, the tops of the inner walls on both sides of the box are respectively fixed with a first air pipe and a second air pipe, and both sides of the bottom of the deflector are fixedly installed with fixing blocks, the fixing blocks A fan is arranged at the bottom of the fan, and a connecting pipe is fixedly installed at the suction end of the fan, and the other ends of the two connecting pipes are respectively communicated with the first ventilation pipe and the second ventilation pipe.

Preferably, a slot is provided on the side of the fixing block away from the box body, a plug-in board is inserted into the slot, and the bottom end of the plug-in board extends below the fixing block and is fixed with the top of the fan connection, the plug board is connected and fixed with the fixing block through the first bolt.

Preferably, the longitudinal section of the slot is convex, the protruding opening is downward and is designed as an opening, and the plug board is adapted to the slot and is slidably connected to the inner wall of the slot.

Preferably, the top of the base plate is provided with four symmetrically designed grooves, the bottom of the deflector is fixedly installed with four positioning posts adapted to the grooves, and the bottom ends of the positioning posts are inserted into the grooves inside, and is connected and fixed with the base plate by a second bolt.

Preferably, both sides of the top end of the deflector are designed to be inclined downward.

Preferably, the orifice of the first ventilation pipe is located above the wire rack inside the box body, and the orifice of the second ventilation pipe extends downward along the inner wall of the box body and is located below the wire rack.

Preferably, shutters are fixedly installed on both sides of the box body.

Compared with the prior art, the low-voltage distribution box for power control provided by the present invention has the following beneficial effects:

The utility model uses a fan to draw air, so that the first ventilation pipe and the second ventilation pipe can extract the air inside the box body, and discharge the high-temperature air to the outside of the box body, so as to complete the rapid circulation of the inner cavity of the box and the outside air, which is beneficial to Improve the heat dissipation effect and avoid short circuit of electronic components and lines in the box due to high temperature, thereby improving the operation stability of the distribution box and ensuring normal power supply.

Description of drawings

Fig. 1 is the front structure schematic diagram of the present utility model;

Fig. 2 is the sectional structure schematic diagram of the utility model;

3 is a schematic diagram of the outer structure of the fixing block of the present invention;

FIG. 4 is a side sectional structural schematic diagram of the substrate of the present invention.

In the figure: 1, box body; 2, base; 3, base plate; 4, deflector; 5, first ventilation pipe; 6, second ventilation pipe; 7, fixing block; 8, fan; 9, connecting pipe; 10. Blinds; 11. Inserts; 12. Inserts; 13. First bolts; 14. Grooves; 15. Positioning columns; 16. Second bolts.

Detailed ways

In order to make the purposes, technical solutions and advantages of the embodiments of the present disclosure more clear, the technical solutions of the embodiments of the present disclosure will be described clearly and completely below with reference to the accompanying drawings of the embodiments of the present disclosure.

1-4, a low-voltage distribution box for power control includes a box body 1, a base 2 is fixedly mounted on the bottom of the box body 1, a base plate 3 is fixedly mounted on the top of the box body 1, and a top of the base plate 3 is provided with a The guide plate 4, the top of the inner walls of the two sides of the box body 1 are respectively fixed with a first ventilation pipe 5 and a second ventilation pipe 6, and a fixed block 7 is fixedly installed on both sides of the bottom of the guide plate 4, and the bottom of the fixed block 7 is fixedly installed. A fan 8 is provided, and a connecting pipe 9 is fixedly installed at the suction end of the fan 8 , and the other ends of the two connecting pipes 9 communicate with the first ventilation pipe 5 and the second ventilation pipe 6 respectively.

A slot 11 is opened on the side of the fixing block 7 away from the box body 1 , a plug-in board 12 is inserted into the interior of the slot 11 , and the bottom end of the plug-in board 12 extends to the bottom of the fixing block 7 and is fixedly connected with the top of the fan 8 . , the plug-in board 12 is connected and fixed with the fixing block 7 through the first bolt 13, the longitudinal section of the slot 11 is convex, the convex opening is downward and is an opening design, the plug-in board 12 is adapted to the slot 11, and is compatible with the slot 11. The inner wall of 11 is slidably connected. When installing the fan 8, the plug board 12 is inserted along the slot 11 to facilitate the installation of the fan 8 on the bottom of the fixing block 7, and the first bolt 13 is used to fix it, which is convenient for disassembly and assembly and improves convenience. The fan 8 can be connected to the power supply of the power distribution box through wires to ensure normal use.

The top of the base plate 3 is provided with four symmetrically designed grooves 14, the bottom of the guide plate 4 is fixedly installed with four positioning posts 15 that are adapted to the grooves 14, and the bottom ends of the positioning posts 15 are inserted into the grooves 14, And the second bolt 16 is connected and fixed with the base plate 3, and the combined design of the groove 14 and the positioning column 15 facilitates the installation of the guide plate 4 on the base plate 3, and the second bolt 16 is used for fixing, which improves the guide plate 4. ease of disassembly.

Both sides of the top of the deflector 4 are designed with a downward slope, which is convenient for rainwater to flow to both sides, avoids rainwater accumulation on the top of the box 1 and causes rainwater infiltration, and improves the rainproof of the distribution box. performance.

The nozzle of the first ventilation pipe 5 is located above the wire rack inside the box body 1 , and the nozzle of the second ventilation pipe 6 extends downward along the inner wall of the box body 1 and is located below the wire rack, passing through the first ventilation pipe 5 . The upper and lower distribution of the second ventilation pipe 6 facilitates the extraction of the air at the top and bottom of the inner cavity of the box body 1, accelerates the air circulation rate, and thus improves the heat dissipation effect.

Shutters 10 are fixedly installed on both sides of the box body 1 , and the heat dissipation effect of the box body 1 is further improved through the design of the shutters 10 .

The utility model uses the fan 8 to draw air, so that the first ventilation pipe 5 and the second ventilation pipe 6 extract the air inside the box body 1, and discharge the high-temperature air to the outside of the box body 1, so as to complete the inner cavity of the box body 1 and the outside. The rapid circulation of air is conducive to improving the heat dissipation effect, avoiding the short circuit of electronic components and lines in the box due to high temperature, thereby improving the operation stability of the distribution box and ensuring normal power supply.

The above descriptions are only exemplary embodiments of the present invention, and are not intended to limit the present invention. The protection scope of the present invention is defined by the claims. Those skilled in the art can make various modifications or equivalent replacements to the present invention within the spirit and protection scope of the present invention, and such modifications or equivalent replacements should also be regarded as falling within the protection scope of the present invention.

Claims (7)

1. A low-voltage power distribution box for power control, comprising a box body (1), characterized in that a base (2) is fixedly installed at the bottom of the box body (1), and a top of the box body (1) is fixed A base plate (3) is installed, the top of the base plate (3) is provided with a guide plate (4), and the tops of the inner walls on both sides of the box body (1) are respectively fixed with a first ventilation pipe (5) and a second ventilation pipe (5) A ventilation pipe (6), a fixing block (7) is fixedly installed on both sides of the bottom of the guide plate (4), a fan (8) is arranged at the bottom of the fixing block (7), and the fan (8) A connecting pipe (9) is fixedly installed at the suction end of the two connecting pipes (9), and the other ends of the two connecting pipes (9) are respectively communicated with the first ventilation pipe (5) and the second ventilation pipe (6). 2. A low-voltage power distribution box for power control according to claim 1, characterized in that a slot (11) is provided on the side of the fixing block (7) away from the box (1), A plug board (12) is inserted into the groove (11), and the bottom end of the plug board (12) extends to the bottom of the fixing block (7) and is fixedly connected with the top of the fan (8). (12) The first bolt (13) is connected and fixed with the fixing block (7). 3. A low-voltage distribution box for power control according to claim 2, characterized in that the longitudinal section of the slot (11) is a convex shape, the convex opening is downward and is an opening design, and the plug board (12) is matched with the slot (11), and is slidably connected with the inner wall of the slot (11). 4. A low-voltage distribution box for power control according to claim 1, characterized in that, four symmetrically designed grooves (14) are provided on the top of the base plate (3), and the deflector ( 4) Four positioning posts (15) matching the grooves (14) are fixedly installed at the bottom, and the bottom ends of the positioning posts (15) are inserted into the grooves (14) and pass through the second bolts (16). ) is connected and fixed to the base plate (3). 5 . The low-voltage distribution box for power control according to claim 1 , wherein both sides of the top of the deflector ( 4 ) are designed to be inclined downward. 6 . 6. A low-voltage power distribution box for power control according to claim 1, characterized in that the orifice of the first ventilation pipe (5) is located above the inner wire frame of the box (1), and the first ventilation pipe (5) The orifice of the second air pipe (6) extends downward along the inner wall of the box body (1), and is located below the wire rack. 7 . The low-voltage distribution box for power control according to claim 1 , wherein shutters ( 10 ) are fixedly installed on both sides of the box body ( 1 ). 8 .

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