CN219321922U

CN219321922U - Power distribution cabinet

Info

Publication number: CN219321922U
Application number: CN202223550366.5U
Authority: CN
Inventors: 余一博
Original assignee: Bozhou Huite Electrical Engineering Installation Co ltd
Current assignee: Bozhou Huite Electrical Engineering Installation Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-07-07
Anticipated expiration: 2032-12-27

Abstract

The utility model discloses a power distribution cabinet which comprises a cabinet body, wherein the cabinet body comprises a top plate, side plates and a bottom plate, the side plates are fixedly connected between the top plate and the bottom plate, a ventilation cavity is formed in the bottom of the top plate, and a plurality of ventilation holes communicated with the interior of the cabinet body are formed in the bottom of the ventilation cavity; the side plate is provided with an air inlet cavity, the lower part of the air inlet cavity is provided with at least one first air inlet communicated with the outside, and the upper part of the air inlet cavity is provided with a second air inlet communicated with the ventilation cavity; an air outlet is arranged on the bottom plate, and an air exhaust fan is arranged at the air outlet and used for exhausting the air in the cabinet body to the bottom of the cabinet body. The power distribution cabinet body is ventilated up and down, is easy to dissipate heat, reduces dust content in air, and prolongs the replacement period of the dust cover. Through setting up the air exit in the bottom of the cabinet body, with the internal gaseous steam air-dries that can get into cabinet body bottom like this of the bottom of the cabinet body, dispel the moisture of cabinet body bottom, delay the corrosion of the cabinet body and improve the life of the cabinet body.

Description

Power distribution cabinet

Technical Field

The utility model relates to the technical field of power distribution cabinets, in particular to a power distribution cabinet.

Background

The switch board is an indispensable equipment in distribution system, and the switch board can produce the heat at the during operation in the cabinet body, in order to dispel the heat the cabinet body, adopts in the prior art and offers an air intake and an air outlet respectively in two sides of switch board, utilizes the fan to blow out the heat in the switch board. In order to prevent dust from entering the cabinet body, a dust cover is arranged at the air inlet to prevent dust in the prior art, but the dust cover is easy to block in working condition environments with larger dust content (such as places where wind and sand are easy to generate outdoors, construction sites and die casting workshops), so that the air inlet quantity entering the power distribution cabinet from the air inlet is greatly reduced, and the replacement period of the dust cover is short.

Meanwhile, under the moist working condition environment, the bottom of the power distribution cabinet is easy to be affected by moisture to generate rust, and the service life of the power distribution cabinet is affected.

For this reason, the present application particularly proposes a power distribution cabinet capable of solving the above-mentioned problems.

Disclosure of Invention

The utility model mainly aims to provide a power distribution cabinet, and aims to solve the technical problems that the power distribution cabinet in the prior art is difficult to radiate heat, and is dustproof and poor in dampproof effect.

In order to achieve the above purpose, the utility model provides a power distribution cabinet, which comprises a cabinet body, wherein the cabinet body comprises a top plate, side plates and a bottom plate, the side plates are fixedly connected between the top plate and the bottom plate, a ventilation cavity is arranged at the bottom of the top plate, and a plurality of ventilation holes communicated with the interior of the cabinet body are formed in the bottom of the ventilation cavity;

the side plate is provided with an air inlet cavity, the lower part of the air inlet cavity is provided with at least one first air inlet communicated with the outside, and the upper part of the air inlet cavity is provided with a second air inlet communicated with the ventilation cavity;

an air outlet is formed in the bottom plate, and an air exhaust fan is arranged at the air outlet and used for exhausting the gas in the cabinet body to the bottom of the cabinet body.

Further, an L-shaped partition plate is arranged below the bottom plate and corresponds to the position of the air outlet, an air exhaust cavity is enclosed between the L-shaped partition plate and the cabinet body, and a first air outlet is formed in the side face of the air exhaust cavity.

Further, an air guide channel is arranged at one side of the exhaust cavity corresponding to the first air outlet, and the air guide channel is used for guiding air exhausted from the first air outlet to the bottom of the cabinet body.

Further, a plurality of second air outlets are formed in the bottom of the cabinet body and are used for discharging wind blown to the bottom of the cabinet body out of the cabinet body.

Further, a blocking net is arranged at the top of the air outlet and used for blocking objects from entering the air outlet.

Further, an air suction fan is arranged at the second air inlet and used for blowing air in the air inlet cavity into the ventilation cavity.

Furthermore, a cleaning hole is formed in the bottom of the air inlet cavity, and an openable cover plate is arranged on the surface of the cleaning hole.

The beneficial effects of the utility model are as follows:

the power distribution cabinet body is ventilated up and down, heat dissipation is easy, the first air inlet and the second air inlet are staggered, the air flow rate entering the air inlet cavity is suddenly slowed down, dust contained in the air is accumulated at the bottom of the air inlet cavity due to the action of gravity, the dust content in the air is reduced, the time period that the dust cover is blocked is prolonged, and the replacement period of the dust cover is prolonged. Through setting up the air exit in the bottom of the cabinet body, with the internal gaseous steam air-dries that can get into cabinet body bottom like this of the bottom of the cabinet body, dispel the moisture of cabinet body bottom, delay the corrosion speed of cabinet body bottom and improve the practical life of the cabinet body.

Drawings

Fig. 1 is a front view of a power distribution cabinet of the present utility model.

Fig. 2 is a schematic diagram of the internal structure of the power distribution cabinet of the utility model.

Fig. 3 is a schematic side view of a power distribution cabinet according to the present utility model.

Reference numerals illustrate: 1. a cabinet body; 2. a top plate; 3. a side plate; 4. a bottom plate; 21. a ventilation chamber; 22. a vent hole; 31. an air inlet cavity; 32. a first air inlet; 33. a second air inlet; 7. an air outlet; 8. an L-shaped partition; 9. an exhaust fan; 11. an exhaust cavity; 12. an air guide duct; 81. a first air outlet; 82. a second air outlet; 13. a blocking net; 14. a suction fan; 15. a dust screen; 16. cleaning the hole; 17. and a cover plate.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. Embodiments and features of embodiments in this application may be combined with each other without conflict. 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.

It should be noted that, in the embodiment of the present utility model, directional indications such as up, down, left, right, front, and rear … … are referred to, and the directional indication is merely used to explain the relative positional relationship, movement conditions, and the like between the components in a specific posture such as that shown in the drawings, and if the specific posture is changed, the directional indication is changed accordingly.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, "a plurality of" means two or more. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

See fig. 1-3.

The power distribution cabinet comprises a cabinet body 1, wherein the cabinet body 1 comprises a top plate 2, side plates 3 and a bottom plate 4, and the side plates 3 are fixedly connected between the top plate 2 and the bottom plate 4;

the bottom of the top plate 2 is provided with a ventilation cavity 21, and the bottom of the ventilation cavity 21 is provided with a plurality of ventilation holes 22 communicated with the inside of the cabinet body;

an air inlet cavity 31 is arranged on the side plate 3, at least one first air inlet 32 communicated with the outside is formed in the lower part of the air inlet cavity 31, and a second air inlet 33 communicated with the ventilation cavity is formed in the upper part of the air inlet cavity;

an air outlet 7 is formed in the bottom plate 4, and an air exhaust fan 9 is arranged at the air outlet 7 and is used for exhausting the air in the cabinet body 1 to the bottom of the cabinet body 1. The cabinet body is ventilated from top to bottom, heat dissipation is easy, moreover, the first air inlet and the second air inlet are staggered, the air flow rate entering the air inlet cavity is suddenly slowed down, dust contained in the air is deposited at the bottom of the air inlet cavity under the action of gravity, and then the dust content in the air is reduced, the time period that the dust cover is blocked is prolonged, and the replacement period of the dust cover is prolonged. Through setting up the air exit in the bottom of the cabinet body, with the internal gaseous steam air-dries that is located cabinet body bottom like this of the bottom of the cabinet body of arranging the cabinet, dispel the moisture of cabinet body bottom, delay the corrosion speed of cabinet body bottom and improve the practical life of the cabinet body.

In an embodiment, an L-shaped partition plate 8 is disposed below the bottom plate 4 at a position corresponding to the air outlet 7, an air exhaust cavity 11 is enclosed between the L-shaped partition plate 8 and the cabinet body 1, and a first air outlet 81 is provided on a side surface of the air exhaust cavity 11. By the design, dust and moisture can be effectively reduced from entering the cabinet from the air outlet.

In an embodiment, an air guiding duct 12 is disposed at one side of the air exhausting cavity 11 corresponding to the first air outlet 81, and the air guiding duct 12 is configured to guide the air exhausted from the first air outlet 81 to the bottom of the cabinet body 1. The design like this, the internal air of cabinet is discharged from cabinet body bottom, and the dry rate of cabinet body bottom moisture can be accelerated to follow cabinet body bottom exhaust air, has effectively delayed the corruption of moisture to the cabinet body inside, has prolonged the life of switch board.

In an embodiment, the bottom of the cabinet 1 is provided with a plurality of second air outlets 82 for exhausting the air blown to the bottom of the cabinet 1 out of the cabinet 1.

In one embodiment, a blocking net 12 is disposed at the top of the air outlet 7, for blocking objects from entering the air outlet 7. By the design, the exhaust fan can be prevented from being broken due to falling of the internal components of the cabinet, and the exhaust fan is effectively protected.

In an embodiment, the second air inlet 33 is provided with a suction fan 14 for blowing the air in the air inlet 5 cavity 31 into the ventilation cavity 21.

In one embodiment, a cleaning hole 16 is provided at the bottom of the air inlet chamber 31, and a cover plate 17 capable of being opened is provided on the surface of the cleaning hole. By means of the design, the dust collection of the bottom of the air inlet cavity can be completed by opening the cleaning holes through the sliding cover plate.

The foregoing description of the preferred embodiment of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made without departing from the spirit and principles of the utility model,

are intended to be included within the scope of the present utility model.

Claims

1. The utility model provides a switch board, includes the cabinet body (1), the cabinet body (1) includes roof (2), curb plate (3) and bottom plate (4), curb plate (3) fixed connection roof (2) with between bottom plate (4), its characterized in that:

the bottom of the top plate (2) is provided with a ventilation cavity (21), and the bottom of the ventilation cavity (21) is provided with a plurality of ventilation holes (22) communicated with the inside of the cabinet body;

an air inlet cavity (31) is formed in the side plate (3), at least one first air inlet (32) communicated with the outside is formed in the lower portion of the air inlet cavity (31), and a second air inlet (33) communicated with the ventilation cavity is formed in the upper portion of the air inlet cavity;

an air outlet (7) is formed in the bottom plate (4), and an air outlet (9) is arranged at the air outlet (7) and is used for discharging the air in the cabinet body (1) to the bottom of the cabinet body (1).

2. The power distribution cabinet according to claim 1, wherein an L-shaped partition plate (8) is arranged below the bottom plate (4) at the position corresponding to the air outlet (7), an air exhaust cavity (11) is enclosed between the L-shaped partition plate (8) and the cabinet body (1), and a first air outlet (81) is formed in the side face of the air exhaust cavity (11).

3. The power distribution cabinet according to claim 2, wherein an air guide duct (12) is arranged at one side of the air exhaust cavity (11) corresponding to the first air outlet (81), and the air guide duct (12) is used for guiding air exhausted from the first air outlet (81) to the bottom of the cabinet body (1).

4. A power distribution cabinet according to claim 3, characterized in that the bottom of the cabinet body (1) is provided with a plurality of second air outlets (82) for discharging the air blown to the bottom of the cabinet body (1) out of the cabinet body (1).

5. A power distribution cabinet according to any one of claims 1-4, characterized in that the top of the air outlet (7) is provided with a blocking net (13) for blocking objects into the air outlet (7).

6. The power distribution cabinet according to any one of claims 1 to 4, characterized in that a suction fan (14) is provided at the second air inlet (33) for blowing air in the air inlet chamber (31) into the ventilation chamber (21).

7. A power distribution cabinet according to any one of claims 1-4, characterized in that the bottom of the air intake chamber (31) is provided with a cleaning aperture (16), the surface of which is provided with an openable cover plate (17).