CN204761037U - Low -voltage reactive -power compensation cabinet - Google Patents

Abstract

The utility model relates to the technical field of electric equipment, and discloses a low-voltage reactive power compensation cabinet, which includes a first cabinet, a second cabinet arranged in the first cabinet, and a cabinet door hinged with the first cabinet, and also includes The air guide pipe, the middle position of the bottom of the first cabinet is provided with a bellows, and the inside of the second cabinet is provided with three partitions to divide the second cabinet into a reactive power compensation room, a control room, a horizontal busbar room, and a vertical busbar There are four cabinet rooms in the room, the center of the partition is respectively provided with a through hole, one end of the air guide pipe passes through the through hole in turn, the other end of the air guide pipe is connected with the bellows, and the air guide pipe There are air outlet holes evenly distributed on the top, the upper end of the first cabinet body is provided with cooling holes, and the left side wall and the right side wall of the second cabinet body are distributed with ventilation holes. The utility model has the advantages of simple structure, convenient use, good heat dissipation effect, low cost and long service life.

Description

A low-voltage reactive power compensation cabinet

technical field

The utility model relates to the technical field of electric equipment, in particular to a low-voltage reactive power compensation cabinet.

Background technique

The low-voltage reactive power compensation cabinet is suitable for industries such as electric power, automobile, petroleum, chemical industry, metallurgy, railway, port, coal mine, oil field and other industries with AC 50Hz, rated voltage below 660V, and large load power changes. For equipment with higher requirements, the reactive power compensation cabinet controls the stability of the grid voltage through reactors, capacitors and other main electrical components to suppress grid harmonic interference, reduce reactive power, and increase active power. The temperature in the cabinet is a key factor that directly affects the working stability of the low-voltage reactive power compensator. At present, each component in the low-voltage reactive power compensation cabinet is composed of scattered parts, and the operating mechanisms of each white are independent of each other, which makes the overall size of the cabinet too large, and the operation of the operating mechanism is inconvenient and takes up a lot of space. , Expanding the footprint of the substation, the heat generated by the components cannot be dissipated in time, causing damage to other components and posing safety hazards.

Utility model content

The purpose of this utility model is to provide a low-voltage reactive power compensation cabinet, which has a simple structure, and the orderly installation of each functional element makes the wiring simple, the workload of operation and maintenance is small, and the reactive power is balanced on the spot.

In order to achieve the above object, the utility model adopts the following technical solutions:

A low-voltage reactive power compensation cabinet, comprising a first cabinet body, a second cabinet body arranged in the first cabinet body, and a cabinet door hinged with the first cabinet body, characterized in that it also includes an air duct, the first A bellows is provided in the middle of the bottom of the cabinet, and three partitions are arranged inside the second cabinet to divide the second cabinet into four cabinet rooms: a reactive power compensation room, a control room, a horizontal bus room, and a vertical bus room. The center of the partition is respectively provided with through holes, one end of the air guide pipe passes through the through holes in turn, the other end of the air guide pipe is connected with the bellows, and the air guide pipe is evenly distributed with air outlet holes, The upper end of the first cabinet body is provided with cooling holes, and the left side wall and the right side wall of the second cabinet body are distributed with ventilation holes.

Further, the upper end of the first cabinet body is provided with an arc-shaped rain cover, and the rain cover is connected to the first cabinet body through a connecting rod. It can protect the cabinet from rain and snow in rainy and snowy days.

Further, the outer layer of the arc-shaped rain cover is provided with a waterproof layer. Set up a waterproof layer to improve waterproof performance in rainy days.

Further, a dustproof plate is arranged inside the heat dissipation hole. Prevent dust from entering the cabinet and causing malfunctions.

Further, the first cabinet is spaced apart from the side wall, top surface and bottom surface of the second cabinet, four first feet are arranged at the bottom of the second cabinet, and four first legs are arranged at the bottom of the first cabinet. second leg.

Further, an isolation room is provided between the reactive power compensation room and the control room.

The beneficial effects of the utility model:

The utility model is provided with an air box at the bottom of the first cabinet, and an air guiding pipe is arranged in the second cabinet, and the air guiding pipe is connected with the bellows, and the air guiding pipe is evenly distributed with air outlet holes, which can be guided into the second cabinet. Wind, the left side wall and right side wall of the second cabinet are provided with ventilation holes, which can remove hot air in time, and can dissipate the heat generated when the cable is working in time to prevent damage to the device; the utility model is simple in structure, easy to use, and can The effect is good, the cost is low, and the service life is long.

Description of drawings

Fig. 1 is the structural representation of a kind of low-voltage reactive compensation cabinet of the utility model;

Fig. 2 is a structural schematic diagram of an air duct of a low-voltage reactive power compensation cabinet of the present invention;

Fig. 3 is a side view of the second cabinet of a low-voltage reactive power compensation cabinet of the present invention.

In the figure, 1—first cabinet body, 2—second cabinet body, 3—cooling hole, 4—dust-proof net, 5—curved rain cover, 6—cabinet door, 7—connecting rod, 8—waterproof layer . 18—the first leg, 19—the second leg, 20—the air outlet.

Detailed ways

The technical solution of the present utility model will be further specifically described below in conjunction with the accompanying drawings and specific embodiments.

As shown in Figure 1, Figure 2 and Figure 3, a low-voltage reactive power compensation cabinet includes a first cabinet body 1, a second cabinet body 2 arranged in the first cabinet body 1, and a cabinet hinged with the first cabinet body 1 The door 6 also includes an air guide pipe 13, a bellows 17 is provided in the middle of the bottom of the first cabinet body 1, and three partitions 11 are arranged inside the second cabinet body 2 to divide the second cabinet body 2 into a reactive power compensation chamber 9, Control room 12, horizontal bus room 14, and vertical bus room 16 are four cabinet rooms. The center of the partition plate 11 is respectively provided with a through hole 15. One end of the air guide pipe 13 passes through the through hole 15 in turn, and the other end of the air guide pipe 13 is connected to the bellows. 17 connections, the air guide pipe 13 is evenly distributed with air outlet holes 20, the upper end of the first cabinet body 1 is provided with cooling holes 3, and the second cabinet body 2 is provided with ventilation holes 21 on the left side wall and the right side wall.

In this embodiment, the upper end of the first cabinet body 1 is provided with an arc-shaped rain-shielding cover 5 , and the arc-shaped rain-shielding cover 5 is connected to the first cabinet body 1 through a connecting rod 7 . It can protect the cabinet from rain and snow in rainy and snowy days.

In this embodiment, the outer layer of the arc-shaped rain-shielding cover 5 is provided with a waterproof layer 8 . Set up a waterproof layer to improve waterproof performance in rainy days.

In this embodiment, a dust-proof plate 4 is arranged inside the cooling hole 3 . Prevent dust from entering the cabinet and causing malfunctions.

In this embodiment, the side walls, top and bottom surfaces of the first cabinet 1 and the second cabinet 2 are spaced apart, four first feet 18 are arranged at the bottom of the second cabinet 2, and four feet 18 are arranged at the bottom of the first cabinet 1. A second leg 19. Easy to install, transfer and maintain.

In this embodiment, an isolation room 10 is provided between the reactive power compensation room 9 and the control room 12 .

Finally, it should be noted that the above specific embodiments are only used to illustrate the technical solutions of the present utility model without limitation. Although the utility model has been described in detail with reference to preferred embodiments, those of ordinary skill in the art should understand that this utility model can be Any modification or equivalent replacement of the technical solution of the utility model without departing from the spirit and scope of the technical solution of the utility model shall be covered by the claims of the utility model.

Claims (6)

1. A low-voltage reactive power compensation cabinet, comprising a first cabinet, a second cabinet arranged in the first cabinet and a cabinet door hinged with the first cabinet, characterized in that it also includes an air duct, the A bellows is provided in the middle of the bottom of the first cabinet, and three partitions are provided inside the second cabinet to divide the second cabinet into four cabinet rooms: a reactive power compensation room, a control room, a horizontal bus room, and a vertical bus room. The central positions of the partitions are respectively provided with through holes, one end of the air guide pipe passes through the through holes in turn, the other end of the air guide pipe is connected to the bellows, and the air guide pipe is evenly distributed with air outlet Holes, the upper end of the first cabinet is provided with cooling holes, and the left and right walls of the second cabinet are distributed with ventilation holes. 2. The low-voltage reactive power compensation cabinet according to claim 1, wherein the upper end of the first cabinet body is provided with an arc-shaped rain cover, and the rain cover is connected to the first cabinet body through a connecting rod . 3. The low-voltage reactive power compensation cabinet according to claim 2, characterized in that, the outer layer of the arc-shaped rain cover is provided with a waterproof layer. 4. The low-voltage reactive power compensation cabinet according to claim 1, characterized in that, a dust-proof plate is provided in the heat dissipation hole. 5. The low-voltage reactive power compensation cabinet according to claim 1, wherein the first cabinet is spaced apart from the side walls, top surface and bottom surface of the second cabinet, and the bottom of the second cabinet is arranged There are four first legs, and four second legs are arranged at the bottom of the first cabinet. 6. The low-voltage reactive power compensation cabinet according to claim 1, characterized in that an isolation room is provided between the reactive power compensation room and the control room.