CN219041173U

CN219041173U - Power distribution cabinet

Info

Publication number: CN219041173U
Application number: CN202220744501.0U
Authority: CN
Inventors: 刘勇; 李学勇; 范才银; 钟亮; 黎利华; 李伟; 张翔; 彭云均; 刘芙蓉; 贺健; 何卫平; 仇灵; 苏平平
Original assignee: Hengyang Branch Of Hunan Tobacco Co
Current assignee: Hengyang Branch Of Hunan Tobacco Co
Priority date: 2022-04-01
Filing date: 2022-04-01
Publication date: 2023-05-16
Anticipated expiration: 2032-04-01

Abstract

The utility model provides a power distribution cabinet which comprises a cabinet body, wherein a first through hole is formed in the top of the cabinet body, a heat dissipation box is arranged above the first through hole, a blower is arranged in the heat dissipation box, an air inlet is formed in the bottom of the heat dissipation box, and the air inlet is aligned with the first through hole; an air outlet is formed in the side face of the heat dissipation box; the bottom of the cabinet body is provided with a second through hole, and a water tank is arranged below the second through hole; a ventilation pipe is arranged between the second through hole and the air outlet, and at least a part of the ventilation pipe is positioned in the water tank. According to the utility model, hot air in the cabinet body is blown out through the heat dissipation mechanism, and the hot air is cooled through the water tank below the cabinet body and is sent back into the cabinet body, so that the circulating heat dissipation is realized. On the other hand, the stability of the cabinet body is further enhanced by arranging the stabilizing mechanism below the power distribution cabinet body.

Description

Power distribution cabinet

Technical Field

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

Background

The distribution cabinet (box) transfer power distribution cabinet (box) and the illumination distribution cabinet (box) and the metering cabinet (box) are the final-stage equipment of the distribution system. The power distribution cabinet is a generic name of a motor control center. The power distribution cabinet is used in the occasions with dispersed load and less loops; the motor control center is used for occasions with concentrated load and more loops. They distribute the power of a circuit of the upper-level distribution equipment to nearby loads. This class of equipment should provide protection, monitoring and control of the load.

With the increasing level of living of people, the requirements of people on the uninterrupted power quality and power supply are increasingly strict. The power distribution cabinet is used as an important part of a power supply system, the working quality of power transmission components in the cabinet is determined by the environment in the cabinet, and at present, particularly, the outdoor power distribution cabinet is poor in heat dissipation effect due to the lack of effective protection, and a large amount of heat can be generated when the power transmission system works. If the heat in the sealed cabinet body cannot be timely radiated, damage to components in the power distribution cabinet is caused, and the power supply quality is guaranteed and the service life of the components in the power distribution cabinet is not facilitated.

The existing power distribution cabinet is poor in heat dissipation effect, cannot enable the inside of the power distribution cabinet to dissipate heat rapidly, and cannot conduct accurate monitoring when the heat dissipation device cannot operate normally, so that equipment is damaged due to overhigh internal temperature.

Disclosure of Invention

The utility model mainly provides a power distribution cabinet to solve the problem that the existing power distribution cabinet is poor in heat dissipation effect.

The technical scheme adopted for solving the technical problems is as follows:

the power distribution cabinet comprises a cabinet body, wherein a first through hole is formed in the top of the cabinet body, a heat dissipation box is arranged above the first through hole, a blower is arranged in the heat dissipation box, an air inlet is formed in the bottom of the heat dissipation box, and the air inlet is aligned with the first through hole; an air outlet is formed in the side face of the heat dissipation box; the bottom of the cabinet body is provided with a second through hole, and a water tank is arranged below the second through hole; a ventilation pipe is arranged between the second through hole and the air outlet, and at least a part of the ventilation pipe is positioned in the water tank.

Preferably, a stabilizing mechanism is further arranged at the bottom of the cabinet body; the stabilizing mechanism comprises a steel plate, a steel column, a semicircular steel ring and a connecting plate; the steel plate is cross-shaped, and the steel column is vertically fixed in the middle of the steel plate; a semicircular steel ring is arranged at the top end of the steel column, and two ends of the semicircular steel ring are respectively connected with two ends of the cross-shaped welded steel plate; the top of the semicircular steel ring is provided with a connecting plate matched with the semicircular steel ring in shape, and the top of the connecting plate is connected with the bottom of the cabinet body.

Preferably, steel frames are arranged on four side surfaces of the steel column; the steel frame is triangular, one right-angle side of the steel frame is connected with the cross-shaped welded steel plate, and the other right-angle side of the steel frame is connected with the steel column.

Preferably, a filter screen is arranged in the first through hole.

Preferably, the ventilation pipe comprises a first air pipe transversely arranged above the cabinet body, a second air pipe vertically arranged at one side of the cabinet body and a third air pipe transversely arranged at the lower part of the cabinet body; one end of the first air pipe is connected with the air outlet, and the other end of the first air pipe is connected with one end of the second air pipe; the other end of the second air pipe is connected with one end of the third air pipe, and the other end of the third air pipe is connected with the second through hole through an air guide pipe; a portion of the third air tube is located within the water tank.

Preferably, a placing plate is arranged in the cabinet body, and air holes are vertically formed in the placing plate.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, hot air in the cabinet body is blown out through the heat dissipation mechanism, and the hot air is cooled through the water tank below the cabinet body and is sent back into the cabinet body, so that the circulating heat dissipation is realized. On the other hand, the stability of the cabinet body is further enhanced by arranging the stabilizing mechanism below the power distribution cabinet body.

The utility model will be explained in detail below with reference to the drawings and specific embodiments.

Drawings

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

FIG. 2 is a schematic diagram of the front structure of the present utility model;

FIG. 3 is a schematic view of a stabilizing mechanism according to the present utility model;

FIG. 4 is a schematic view of the structure of the filter screen of the present utility model;

fig. 5 is a schematic structural diagram of a heat dissipation mechanism according to the present utility model.

In the figure: 1. a cabinet body; 11. a first through hole; 12. a filter screen; 13. a second through hole; 2. a heat radiation box; 21. A blower; 22. an air inlet; 23. an air outlet; 3. a water tank; 4. a ventilation pipe; 41. a first air tube; 42. a second air pipe; 43. a third air pipe; 5. an air duct; 6. a stabilizing mechanism; 61. a steel plate; 62. a steel column; 63. a semicircular steel ring; 64. a connecting plate; 65. a steel frame; 7. placing a plate; 71. And (5) air holes.

Detailed Description

In order that the utility model may be more fully understood, a more particular description of the utility model will be rendered by reference to the appended drawings, in which several embodiments of the utility model are illustrated, but which may be embodied in different forms and are not limited to the embodiments described herein, which are, on the contrary, provided to provide a more thorough and complete disclosure of the utility model.

It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may be present, and when an element is referred to as being "connected" to the other element, it may be directly connected to the other element or intervening elements may also be present, the terms "vertical", "horizontal", "left", "right" and the like are used herein for the purpose of illustration only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly connected to one of ordinary skill in the art to which this utility model belongs, and the knowledge of terms used in the description of this utility model herein for the purpose of describing particular embodiments is not intended to limit the utility model, and the term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Referring to fig. 1-5, a power distribution cabinet includes a cabinet body 1, a first through hole 11 is provided at the top of the cabinet body 1, a filter screen 12 is provided in the first through hole 11, a heat dissipation box 2 is provided above the first through hole 11, a blower 21 is provided in the heat dissipation box 2, an air inlet 22 is provided at the bottom of the heat dissipation box 21, and the air inlet 22 is aligned with the first through hole 11; an air outlet 23 is formed in the side face of the heat dissipation box 21; a second through hole 13 is formed in the bottom of the cabinet body 1, and a water tank 3 is arranged below the second through hole 13; a ventilation pipe 4 is arranged between the second through hole 13 and the air outlet 23.

The ventilation pipe 4 comprises a first air pipe 41 transversely arranged above the cabinet body 1, a second air pipe 42 vertically arranged on one side of the cabinet body 1, and a third air pipe 43 transversely arranged below the cabinet body 1. One end of the first air pipe 41 is connected with the air outlet 23, and the other end is connected with one end of the second air pipe 42; the other end of the second air pipe 42 is connected with one end of the third air pipe 43, and the other end of the third air pipe 43 is connected with the second through hole 13 through the air duct 5; a portion of the third air pipe 43 is located in the water tank 3.

The bottom of the cabinet body 1 is also provided with a stabilizing mechanism 6. The stabilizing mechanism 6 comprises a steel plate 61, a steel column 62, a semicircular steel ring 63 and a connecting plate 64. The steel plate 61 is cross-shaped, and the steel column 62 is vertically fixed to the middle of the steel plate 61. The top of the steel column 62 is provided with a semicircular steel ring 63, and two ends of the semicircular steel ring 63 are respectively connected with two ends of the steel plate 61. The top of the semicircular steel ring 63 is provided with a connecting plate 64 matched with the shape of the semicircular steel ring, and the top of the connecting plate 64 is connected with the bottom of the cabinet body 1. The four sides of the steel column 62 are provided with steel frames 65. The steel frame 65 is triangular, one right-angle side of the steel frame 65 is connected with the steel plate 61, and the other right-angle side is connected with the steel column 62.

The cabinet body 1 is internally provided with a placing plate 7, and the placing plate 7 is vertically provided with air holes 71.

The working process of the structure is as follows: the blower 21 is started to guide out the hot air in the cabinet 1 through the second through hole 13 and the air duct 5, and the hot air is returned to the cabinet 1 through the third air duct 43, the second air duct 42 and the first air duct 41 in sequence. When the hot air enters the third air duct 43, since a part of the third air duct 43 is provided in the water tank 3, the water in the water tank 3 cools the hot air and returns the cool air to the cabinet 1 through the second air duct 42 and the first air duct 41.

While the utility model has been described above with reference to the accompanying drawings, it will be apparent that the utility model is not limited to the embodiments described above, but is intended to be within the scope of the utility model, as long as such insubstantial modifications are made by the method concepts and technical solutions of the utility model, or the concepts and technical solutions of the utility model are applied directly to other occasions without any modifications.

Claims

1. The power distribution cabinet comprises a cabinet body and is characterized in that a first through hole is formed in the top of the cabinet body, a heat dissipation box is arranged above the first through hole, a blower is arranged in the heat dissipation box, an air inlet is formed in the bottom of the heat dissipation box, and the air inlet is aligned with the first through hole; an air outlet is formed in the side face of the heat dissipation box; the bottom of the cabinet body is provided with a second through hole, and a water tank is arranged below the second through hole; a ventilation pipe is arranged between the second through hole and the air outlet, and at least a part of the ventilation pipe is positioned in the water tank.

2. The power distribution cabinet according to claim 1, wherein a stabilizing mechanism is further arranged at the bottom of the cabinet body; the stabilizing mechanism comprises a steel plate, a steel column, a semicircular steel ring and a connecting plate; the steel plate is cross-shaped, and the steel column is vertically fixed in the middle of the steel plate; a semicircular steel ring is arranged at the top end of the steel column, and two ends of the semicircular steel ring are respectively connected with two ends of the steel plate; the top of the semicircular steel ring is provided with a connecting plate matched with the semicircular steel ring in shape, and the top of the connecting plate is connected with the bottom of the cabinet body.

3. The power distribution cabinet according to claim 2, wherein four sides of the steel column are each provided with a steel frame; the steel frame is triangular, one right-angle side of the steel frame is connected with the steel plate, and the other right-angle side of the steel frame is connected with the steel column.

4. A power distribution cabinet according to any one of claims 1-3, characterized in that a filter screen is arranged in the first through hole.

5. A power distribution cabinet according to any one of claims 1-3, wherein the ventilation pipe comprises a first air pipe transversely arranged above the cabinet body, a second air pipe vertically arranged at one side of the cabinet body, and a third air pipe transversely arranged at the lower part of the cabinet body; one end of the first air pipe is connected with the air outlet, and the other end of the first air pipe is connected with one end of the second air pipe; the other end of the second air pipe is connected with one end of the third air pipe, and the other end of the third air pipe is connected with the second through hole through an air guide pipe; a portion of the third air tube is located within the water tank.

6. A power distribution cabinet according to any one of claims 1-3, wherein a placing plate is arranged in the cabinet body, and air holes are vertically formed in the placing plate.