CN217769255U

CN217769255U - Semi-buried prefabricated box-type substation

Info

Publication number: CN217769255U
Application number: CN202221320354.0U
Authority: CN
Inventors: 朱卯琴; 唐田云
Original assignee: Sichuan Mingde Times Electric Power Technology Co ltd
Current assignee: Sichuan Mingde Times Electric Power Technology Co ltd
Priority date: 2022-05-30
Filing date: 2022-05-30
Publication date: 2022-11-08
Anticipated expiration: 2032-05-30

Abstract

The utility model discloses a semi-buried prefabricated box-type substation, which comprises an upper box body and a lower box body, wherein the top of the lower box body is provided with an air suction opening, and the side wall of the upper box body is provided with an air outlet; an air suction fan is arranged in the air suction opening; a pipeline is arranged between the air suction opening and the air outlet. A fresh air inlet is arranged on the side wall of the upper box body, and a fresh air channel is arranged at the fresh air inlet. A fresh air outlet is formed in one position of the fresh air channel in the lower box body; an upper movable plate is arranged at the top of the fresh air outlet, a lower movable plate is arranged at the bottom of the fresh air outlet, and one end of the upper movable plate is connected with one end of the lower movable plate through a connecting piece; one end of the upper movable plate is connected with a pulley yoke, and the pulley yoke is connected with a pulley; the power part is arranged in the upper box body, a rope is arranged between the power part and the pulley, the middle of the rope is wound on the pulley, and two ends of the rope are connected with the power part. Through the design, quick heat dissipation can be realized, and the transformer can be uniformly cooled.

Description

Semi-buried prefabricated box type transformer substation

Technical Field

The utility model belongs to the technical field of substation equipment, specifically be a bury prepackage type box-type substation partly.

Background

A box substation is a dedicated device used in power supply and distribution systems. A semi-buried substation is one of box-type substations. Generally, a semi-buried substation includes an above-ground box and an underground box, the underground box is buried underground, a transformer is installed in the underground box, and high-voltage switchgear, low-voltage distribution equipment, and the like are provided in the above-ground box. The semi-buried transformer substation has the advantages of saving installation space, reducing noise and the like.

When the transformer works, a large amount of heat can be generated, and the transformer is easily damaged after the heat is accumulated. In the prior art, a fan is often installed at the top of an underground box of a transformer substation for heat dissipation, and the mode has the problems of poor heat dissipation effect and uneven heat dissipation.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a partly bury prepackage type box-type substation to in proposing prior art in the solution background art, often adopt the fan of top installation at the underground box of transformer substation to dispel the heat, this kind of mode has the radiating effect poor, the inhomogeneous problem of heat dissipation.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is:

a semi-buried prefabricated box type transformer substation comprises an upper box body and a lower box body, wherein the upper box body and the lower box body are in an upper-lower two-layer type, and the upper box body is positioned above the lower box body; the lower box body is used for mounting a transformer; the upper box body is used for installing power distribution equipment;

the top of the lower box body is provided with an air suction opening, and the side wall of the upper box body is provided with an air outlet; an air suction fan is arranged in the air suction opening; the air suction port is connected with the air outlet through a pipeline; a fresh air inlet is arranged on the side wall of the upper box body, which is not provided with the air outlet, the fresh air inlet is communicated with a fresh air channel, and the fresh air channel extends to the interior of the lower box body; a fresh air outlet is arranged on one side of the fresh air channel and faces the transformer;

an upper movable plate is arranged on one side, close to the transformer, of the top of the fresh air outlet, a lower movable plate is arranged on one side, close to the transformer, of the bottom of the fresh air outlet, one end of the upper movable plate is hinged to two sides inside the fresh air outlet, and one end of the lower movable plate is hinged to two sides inside the fresh air outlet; the other end of the upper movable plate is connected with the other end of the lower movable plate through a connecting piece, and the connecting piece is used for enabling the lower movable plate and the upper movable plate to synchronously move; the other end of the upper movable plate is connected with a pulley yoke, and a pulley is connected to the pulley yoke; the power part is arranged in the upper box body, a rope is arranged between the power part and the pulley, the middle of the rope is wound on the pulley, two ends of the rope are connected with the power part, and the power part is used for shortening or lengthening the rope.

Furthermore, a rain-proof ceiling is arranged at the top of the upper box body.

Further, the bottom of the lower box body is provided with a supporting seat, and the transformer is installed on the supporting seat.

Furthermore, a filter screen is arranged at the fresh air inlet.

Furthermore, the top of the filter screen is bent into a right angle, and the bent part is connected with the top of the fresh air channel through a bolt.

Furthermore, the power part is specifically a small-sized winch, the small-sized winch is installed in the upper box body, and the winch is connected with the rope.

Furthermore, the fresh air channel comprises a baffle plate, the top of the baffle plate is bent, the bent part is connected with the top of the fresh air inlet, and the baffle plate, the side wall of the upper box body and the side wall of the lower box body jointly form the fresh air channel; the upper box body is communicated with the lower box body at the fresh air channel.

Compared with the prior art, the utility model discloses following beneficial effect has:

the top of the lower box body is provided with an air suction opening, and the side wall of the upper box body is provided with an air outlet; an air suction fan is arranged in the air suction opening; a pipeline is arranged between the air suction opening and the air outlet, one end of the pipeline is connected with the air suction opening, and the other end of the pipeline is connected with the air outlet; the suction fan blows heated air in the lower case into the duct, and the heated air is discharged from the air outlet to the outside through the duct. By this design, rapid heat dissipation can be achieved.

The side wall of the upper box body is provided with a fresh air inlet, a fresh air channel is arranged at the fresh air inlet, a fresh air outlet is arranged at a position, in the lower box body, of the fresh air channel extending to the inside of the lower box body, and the fresh air outlet faces the transformer. When the air suction fan works, negative pressure can be generated in the lower box body, and due to the action of the negative pressure, air outside the box-type substation enters the fresh air channel from the fresh air inlet and then enters the lower box body from the fresh air outlet. Because the fresh air outlet faces the transformer, air entering from the outside of the box-type substation is directly blown to the transformer, and the transformer can be effectively cooled.

The power part is used for continuously shortening and lengthening the rope, the position in the middle of the rope can move up and down, the rope drives the pulley and the pulley yoke to move up and down, the pulley yoke is connected with the upper movable plate, one end of the upper movable plate is hinged with two sides in the fresh air outlet, and the upper movable plate rotates up and down around a hinge point. Because the upper movable plate is connected with the lower movable plate through the connecting piece, one end of the lower movable plate is hinged with two sides in the fresh air outlet, and the lower movable plate moves along with the upper movable plate. Along with the motion of last fly leaf with lower fly leaf, the air that comes out from the new trend export will be blown to the different positions of transformer, realizes the even cooling to the transformer, can effectively promote the radiating effect.

Drawings

Fig. 1 is an isometric view of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

fig. 3 is a partially enlarged view of a portion a of fig. 2.

The labels in the figure are: 1-upper box body, 2-fresh air inlet, 3-pipeline, 4-suction opening, 5-fresh air channel, 6-rope, 7-lower box body, 8-baffle, 9-transformer, 11-support seat, 12-suction fan, 13-power part, 14-filter screen, 15-distribution equipment, 16-exhaust opening, 17-rain-proof ceiling, 18-fresh air outlet, 19-lower movable plate, 20-connecting piece, 21-pulley frame, 22-pulley and 23-upper movable plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Examples

A semi-buried prefabricated box type transformer substation comprises an upper box body 1 and a lower box body 7, wherein the upper box body 1 and the lower box body 7 are in an upper-lower two-layer type, and the upper box body 1 is positioned above the lower box body 7; the lower box body 7 is used for mounting a transformer 9; the upper box body 1 is used for installing power distribution equipment 15.

The top of the lower box body 7 is provided with an air suction opening 4, and the side wall of the upper box body 1 is provided with an air outlet 16; an air suction fan 12 is arranged in the air suction opening 4; the air suction opening 4 is connected with the air exhaust opening 16 through a pipeline 3; a fresh air inlet 2 is arranged on the side wall of the upper box body 1 without the air outlet 16, a fresh air channel 5 is communicated with the fresh air inlet 2, and the fresh air channel 5 extends into the lower box body 7; the fresh air channel 5 is used for passing air entering from the fresh air inlet 2; a fresh air outlet 18 is arranged on one side of the fresh air channel 5, and the fresh air outlet 18 faces the transformer 9.

An upper movable plate 23 is arranged on one side, close to the transformer 9, of the top of the fresh air outlet 18, a lower movable plate 19 is arranged on one side, close to the transformer 9, of the bottom of the fresh air outlet 18, one end of the upper movable plate 23 is hinged to two sides inside the fresh air outlet 18, and one end of the lower movable plate 19 is hinged to two sides inside the fresh air outlet 18; the other end of the upper movable plate 23 is connected to the other end of the lower movable plate 19 through a connecting member 20, and the connecting member 20 is used for enabling the lower movable plate 19 and the upper movable plate 23 to move synchronously (for example, a rope, for example, two ends of a connecting rod are respectively hinged to the upper movable plate 23 and the lower movable plate 19); the other end of the upper movable plate 23 is connected with a pulley frame 21, and the pulley frame 21 is connected with a pulley 22; a power part 13 is arranged in the upper box body 1, a rope 6 is arranged between the power part 13 and the pulley 22, the middle part of the rope 6 is wound on the pulley 22, two ends of the rope 6 are connected with the power part 13, and the power part 13 is used for shortening or lengthening the rope 6.

In actual use, after the transformer 9 is installed in the lower case 7, the lower case 7 is buried in the ground, and the distribution equipment 15 is installed in the upper case 1. The transformer 9 generates a large amount of heat during operation, which heats the air in the lower tank 7. The suction fan 12 blows heated air in the lower case 7 into the duct 3, and the heated air is discharged from the discharge opening 16 to the outside through the duct 3.

When the air suction fan 12 works, negative pressure is generated in the lower box body 7, and due to the action of the negative pressure, air outside the box-type substation enters the fresh air channel 5 from the fresh air inlet 2 and then enters the lower box body 7 from the fresh air outlet 18. Because the fresh air outlet 18 faces the transformer 9, air entering from the outside of the box-type substation is directly blown to the transformer 9, and the transformer 9 can be effectively cooled.

The power part 13 is used for continuously shortening and lengthening the rope 6, the middle position of the rope 6 can move up and down, the rope 6 drives the pulley 22 and the pulley yoke 21 to move up and down, the pulley yoke 21 is connected with the upper movable plate 23, one end of the upper movable plate 23 is hinged with two sides inside the fresh air outlet 18, and the upper movable plate 23 can rotate up and down around a hinge point. Since the upper movable plate 23 is connected to the lower movable plate 19 through the connecting member 20, one end of the lower movable plate 19 is hinged to two sides inside the fresh air outlet 18, and the lower movable plate 19 moves along with the upper movable plate 23. Along with the movement of the upper movable plate 23 and the lower movable plate 19, the air coming out of the fresh air outlet 18 is blown to different positions of the transformer 9, so that the transformer 9 is uniformly cooled, and the heat dissipation effect can be effectively improved.

In a preferred embodiment, the top of the upper tank 1 is provided with a rain canopy 17. The rain-proof ceiling 17 is used for preventing rainwater from wetting the inside of the upper box body 1 to cause short circuit. The rain-proof ceiling 17 is also used for shielding sunlight to prevent the temperature inside the box body from rising too fast.

In a preferred embodiment, the bottom of the lower box 7 is provided with a support 11, and the transformer 9 is mounted on the support 11. Because box 7 buries underground down, is in humid environment in the box 7 down, ponding can appear, causes the short circuit of transformer 9 for preventing ponding, so need set up supporting seat 11 and raise the position of transformer 9.

In a preferred embodiment, a filter screen 14 is arranged at the fresh air inlet 2, and the filter screen 14 is used for filtering dust in air and preventing the dust in the lower box 7 from being deposited too fast. The filter screen 14 can be an air conditioner filter screen directly.

In a preferred embodiment, the top of the filter screen 14 is bent at a right angle, and the bent part is connected with the top of the fresh air channel 5 by bolts, so that the filter screen 14 can be easily disassembled and replaced.

In a preferred embodiment, the power member 13 is embodied as a small-sized winding machine, which is installed in the upper case 1, and the power part of the winding machine is connected to the rope 6. The hoist can shorten or lengthen the rope 6 quickly and is easy to control.

In a preferred embodiment, the fresh air channel 5 comprises a baffle plate 8, the top of the baffle plate 8 is bent, the bent part is connected with the top of the fresh air inlet 2, and the baffle plate 8, the side wall of the upper box body 1 and the side wall of the lower box body 7 form the fresh air channel 5 together; the upper box body 1 is communicated with the lower box body 7 at the fresh air channel 5. In order to save space, the fresh air channel 5 is not additionally arranged, so the baffle 8, the side wall of the upper box body 1 and the side wall of the lower box body 7 jointly form the fresh air channel 5, and the upper box body 1 and the lower box body 7 are communicated at the position of the fresh air channel 5. The mode not only can effectively transmit the air coming from the outside of the box-type substation, but also can effectively save the space of the box-type substation.

In a preferred embodiment, the fresh air channel 5, the upper movable plate 23, the lower movable plate 19, the connecting member 20, the rope 6 and the power member 13 form a set of cooling system, and at least one set of cooling system is arranged in the box-type substation. One set of cooling system can accomplish evenly cooling to 9 one sides of transformer, sets up many sets and can evenly cool down the effect to 9 whole bodies of transformer.

In a preferred embodiment, two sets of cooling systems are arranged, and are symmetrically arranged on two sides of the transformer 9, so that air entering from the outside of the box-type substation can be uniformly blown to two sides of the transformer 9, and the uniform heat dissipation effect is ensured on the premise of effectively saving space.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

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

Claims

1. The utility model provides a semi-buried prepackage type box-type substation which characterized in that: the box comprises an upper box body (1) and a lower box body (7), wherein the upper box body (1) and the lower box body (7) are in an upper-lower two-layer type, and the upper box body (1) is positioned above the lower box body (7); the lower box body (7) is used for mounting a transformer (9); the upper box body (1) is internally used for installing distribution equipment (15);

the top of the lower box body (7) is provided with an air suction opening (4), and the side wall of the upper box body (1) is provided with an air exhaust opening (16); an air suction fan (12) is arranged in the air suction opening (4); the air suction opening (4) is connected with the air outlet (16) through a pipeline (3); a fresh air inlet (2) is arranged on the side wall of the upper box body (1) which is not provided with the air outlet (16), a fresh air channel (5) is communicated with the fresh air inlet (2), and the fresh air channel (5) extends into the lower box body (7); a fresh air outlet (18) is arranged on one side of the fresh air channel (5), and the fresh air outlet (18) faces to the transformer (9);

an upper movable plate (23) is arranged on one side, close to the transformer (9), of the top of the fresh air outlet (18), a lower movable plate (19) is arranged on one side, close to the transformer (9), of the bottom of the fresh air outlet (18), one end of the upper movable plate (23) is hinged to two sides inside the fresh air outlet (18), and one end of the lower movable plate (19) is hinged to two sides inside the fresh air outlet (18); the other end of the upper movable plate (23) is connected with the other end of the lower movable plate (19) through a connecting piece (20), and the connecting piece (20) is used for enabling the lower movable plate (19) and the upper movable plate (23) to synchronously move; the other end of the upper movable plate (23) is connected with a pulley frame (21), and the pulley frame (21) is connected with a pulley (22); be provided with power spare (13) in last box (1), be provided with rope (6) between power spare (13) and pulley (22), coiling on pulley (22) in the middle part of rope (6), rope (6) both ends are connected with power spare (13), and power spare (13) are used for receiving short or put long rope (6).

2. A semi-buried pre-installed substation according to claim 1, wherein: the top of the upper box body (1) is provided with a rain-proof ceiling (17).

3. A semi-buried pre-installed substation according to claim 1, characterized in that: the bottom of the lower box body (7) is provided with a supporting seat (11), and the transformer (9) is installed on the supporting seat (11).

4. A semi-buried pre-installed substation according to claim 1, characterized in that: a filter screen (14) is arranged at the fresh air inlet (2).

5. A semi-buried pre-installed substation according to claim 4, wherein: the top of the filter screen (14) is bent into a right angle, and the bent part is connected with the top of the fresh air channel (5) through a bolt.

6. A semi-buried pre-installed substation according to claim 1, characterized in that: the power part (13) is a small-sized winch which is arranged in the upper box body (1) and is connected with the rope (6).

7. A semi-buried pre-installed substation according to claim 1, wherein: fresh air channel (5) are buckled including baffle (8), the top of baffle (8), and the kink is connected with new trend import (2) top, and fresh air channel (5) have been constituteed jointly to baffle (8) and last box (1) lateral wall and lower box (7) lateral wall.