CN216598449U

CN216598449U - Buried transformer substation for power system

Info

Publication number: CN216598449U
Application number: CN202122886609.1U
Authority: CN
Inventors: 李苗苗
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-11-24
Filing date: 2021-11-24
Publication date: 2022-05-24
Anticipated expiration: 2031-11-24

Abstract

The utility model discloses a buried substation for an electric power system, which comprises a substation body and a base, wherein a rectangular groove used for placing the substation body is formed in the upper end of the base, the inner wall of the rectangular groove is hermetically connected with the substation body, a plurality of water inlet holes are formed in the upper end of the base in a penetrating manner, a cavity communicated with the water inlet holes is formed in the base, a water storage tank is fixedly connected to the side wall of the base, a first water pump communicated with the cavity is fixedly connected to the side wall of the water storage tank, a second water pump is fixedly connected to the upper side of the first water pump, the output end of the second water pump is communicated with a plurality of heat conduction pipes, and the plurality of heat conduction pipes are all in contact with the side wall of the substation body. According to the utility model, rainwater in the pit permeates into the cavity through the water inlet hole at the upper end of the base, the water level sensor detects and starts the first water pump to pump accumulated water in the cavity into the water storage tank, the pit drainage effect of the transformer substation body is improved, and the transformer substation body is prevented from being corroded by rainwater.

Description

Buried transformer substation for power system

Technical Field

The utility model relates to the technical field of buried substations, in particular to a buried substation for a power system.

Background

The buried transformer substation refers to an underground transformer, the traditional box transformer substation and the semi-buried box transformer substation are completely buried under the ground, the compact electric equipment in which the transformer, the high-voltage load switch, the fuse and the like are placed in the dry oil tank is called an underground combined transformer, the ground does not affect the use, the whole transformer is completely buried under the ground, greening and beautifying can be carried out on the ground or can be used as a road and a parking lot, the land is greatly saved, and the capital construction investment is saved.

However, traditional buried substation installs in the pit, does not occupy the earth's surface space, and need pour the concrete base bottom the pit during installation, prevent to appear subsiding, make buried substation be in the horizontality all the time, but in rainy season, the rainwater can't ooze through the concrete, the ponding phenomenon is comparatively serious, if can't in time discharge the ponding in the transformer substation, lead to the transformer substation submergence to move in the aquatic in a period, can lead to the fact the erosion to the box, can influence the normal use of transformer substation, for this reason, we propose a buried substation with the earth's surface to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the defects in the prior art and provides an underground substation for a power system.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a buried transformer substation for electric power system, includes transformer substation body and base, this internal PLC controller that is equipped with of transformer substation, the rectangular channel that is used for placing transformer substation body is offered to the upper end of base, and rectangular channel inner wall and transformer substation body sealing connection, the upper end of base runs through and has seted up a plurality of inlet openings, and sets up the cavity with the inlet opening intercommunication in the base, fixedly connected with storage water tank on the lateral wall of base, and the first water pump of fixedly connected with and cavity intercommunication on the lateral wall of storage water tank, the upside fixedly connected with second water pump of first water pump, the input and the storage water tank intercommunication of second water pump set up, and its output intercommunication is provided with many heat pipes, and many heat pipes all contact with the lateral wall of transformer substation body.

Preferably, an inclined plane is formed on the inner bottom wall of the cavity, a collecting pipe communicated with the input end of the first water pump is fixedly connected to the lower end of the inclined plane, and the output end of the first water pump is communicated with the water storage tank.

Preferably, the inner bottom wall of the cavity is fixedly connected with a water level sensor connected with the input end of the PLC in the transformer substation body, and the output end of the PLC is connected with the first water pump.

Preferably, the outside of transformer substation's body is equipped with the filter screen, the filter screen is the loop configuration, and its upper end contact with the base, the filter screen sets up with the water inlet intercommunication of base upper end.

Preferably, an overflow port is formed in the upper end of the water storage tank in a penetrating manner, a guide pipe communicated with the overflow port is fixedly connected to the upper end of the water storage tank, and one end, far away from the water storage tank, of the guide pipe extends to the ground.

Preferably, the lateral wall of the transformer substation body is sleeved with a heat conducting plate, a plurality of arc-shaped grooves are formed in the lateral wall of the heat conducting plate, the arc-shaped grooves are of an annular structure, and the heat conducting plate is fixedly connected into the arc-shaped grooves.

Compared with the prior art, the utility model has the beneficial effects that:

1. the base, first water pump and level sensor through setting up cooperate the use to reach the rainwater and ooze the effect in the cavity through the inlet opening of base upper end, be favorable to level sensor to detect out and start first water pump and extract ponding in the cavity to the storage water tank in, improved the pit drainage effect of installation transformer substation body, and then avoid transformer substation body to be corroded by rainwater.

2. The cooperation through the second water pump that sets up, heat pipe and heat-conducting plate is used through to reach the effect in heat transfer to the heat pipe that produces the transformer substation body through the heat-conducting plate, be favorable to starting the water extraction to the heat pipe in the second water pump spare storage water tank, in the refluence water storage tank, and then be convenient for with the heat transfer to its inside aquatic in the heat pipe, realize the circulation heat dissipation, improved the radiating effect of transformer substation body.

Drawings

FIG. 1 is a schematic structural diagram according to the present invention;

FIG. 2 is a schematic cross-sectional view of a base according to the present invention;

fig. 3 is a schematic diagram of a part splitting structure according to the present invention.

In the figure: the transformer substation comprises a transformer substation body 1, a base 2, a water inlet hole 3, a cavity 4, a water storage tank 5, a first water pump 6, a second water pump 7, a heat conduction pipe 8, a collecting pipe 9, a water level sensor 10, a filter screen 11, a guide pipe 12, a heat conduction plate 13 and an arc-shaped groove 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a buried transformer substation for an electric power system, comprising a transformer substation body 1 and a base 2, wherein the base 2 is of a rectangular structure, a PLC controller (similar to a PLC controller of a transformer substation with model number S7-200) is arranged in the transformer substation body 1, the PLC controller is of an existing structure and will not be described herein, a rectangular groove for placing the transformer substation body 1 is formed at the upper end of the base 2, the inner wall of the rectangular groove is hermetically connected with the transformer substation body 1, a plurality of water inlet holes 3 are formed at the upper end of the base 2 in a penetrating manner, a cavity 4 communicated with the water inlet holes 3 is formed in the base 2, a filter screen 11 is arranged at the outer side of the transformer substation body 1, water entering the cavity 4 is filtered through the filter screen 11, so as to prevent soil from entering the cavity 4, when in use, the base 2 is assembled on the ground, the base 2 is moved to the inside a pit by a crane, keeping the transformer substation body in a horizontal state, covering the filter screen 11 at the upper end of the base 2, then moving the transformer substation body 1 to the upper end of the base 2 by using a crane, placing the transformer substation body 1 into a rectangular groove at the upper end of the base 2, improving the stability of the transformer substation body 1, and then covering a pit with soil;

the filter screen 11 is of an annular structure and is contacted with the upper end of the base 2, the filter screen 11 is communicated with the water inlet hole 3 at the upper end of the base 2, the inner bottom wall of the cavity 4 is provided with an inclined surface, when the cavity 4 in the base 2 enters water, the accumulated water is guided to one side through the inclined surface, the detection of the water level sensor 10 is convenient, the lower end of the inclined surface is fixedly connected with a collecting pipe 9 communicated with the input end of the first water pump 6, the left side of the collecting pipe 9 is provided with a plurality of water inlets communicated with the cavity 4 in a penetrating way, the right side of the collecting pipe is provided with a water outlet communicated with the input end of the first water pump 6 in a penetrating way, the output end of the first water pump 6 is communicated with the water storage tank 5, the side wall of the base 2 is fixedly connected with the water storage tank 5, the upper end of the water storage tank 5 is provided with an overflow port in a penetrating way, the upper end of the water storage tank 5 is fixedly connected with a guide pipe 12 communicated with the overflow port, and one end of the guide pipe 12 far away from the water storage tank 5 extends to the ground, when the water in the water storage tank 5 is full, the first water pump 6 continues to work, and the water in the water storage tank 5 enters the guide pipe 12 through the overflow port and is discharged to the drainage ditch on the ground, so that the normal drainage of the base 2 is prevented from being influenced;

the side wall of the water storage tank 5 is fixedly connected with a first water pump 6 communicated with the cavity 4, the first water pump 6 is of the existing structure, not described herein, a water level sensor 10 connected to a PLC controller connection input terminal in the substation body 1 is fixedly connected to an inner bottom wall of the cavity 4, the water level sensor 10 is of a conventional structure, not described herein, and the water level sensor 10 is the same as the CYW11 general-purpose drop-in level transmitter, the output of the PLC controller is connected to the first water pump 6, when raining, rainwater in the soil permeates into the cavity 4 through the water inlet hole 3 in the upper end of the base 2, so that the detection of the water level sensor 10 is facilitated, the PLC in the transformer substation body 1 starts the first water pump 6 to pump accumulated water in the cavity 4 into the water storage tank 5, the pit drainage effect of the transformer substation body 1 is improved, and the transformer substation body 1 is prevented from being corroded by rainwater;

the upper side of the first water pump 6 is fixedly connected with a second water pump 7, the second water pump 7 is of a conventional structure and is not described herein, the input end of the second water pump 7 is communicated with the water storage tank 5, the output end of the second water pump is communicated with a plurality of heat conduction pipes 8, the plurality of heat conduction pipes 8 are all contacted with the side wall of the substation body 1, the other end of each heat conduction pipe 8 is communicated with the water storage tank 5, so that water in the heat conduction pipes 8 enters the water storage tank 5 again, the side wall of the substation body 1 is sleeved with a heat conduction plate 13, the side wall of the heat conduction plate 13 is provided with a plurality of arc-shaped grooves 14, the arc-shaped grooves 14 are of an annular structure, the heat conduction pipes 8 are fixedly connected in the arc-shaped grooves 14, the contact area between the heat conduction pipes 8 and the heat conduction plate 13 is increased, so that the heat conduction effect of the heat conduction plate 13 is better, and when water exists in the water storage tank 5, the heat generated by the substation body 1 is transferred into the heat conduction pipes 8 through the heat conduction plate 13, the water in the 7 storage water tanks 5 of the second water pump is favorably pumped into the heat conduction pipe 8 and then flows back into the storage water tank 5, so that the heat in the heat conduction pipe 8 is conveniently transferred into the water in the heat conduction pipe, the circulation heat dissipation is realized, and the heat dissipation effect of the transformer substation body 1 is improved.

The working principle is that when the utility model is used, the base 2 is firstly assembled on the ground, the base 2 is moved to the inside of a pit by a crane to keep the base in a horizontal state, the filter screen 11 is covered at the upper end of the base 2, then the transformer substation body 1 is moved to the upper end of the base 2 by the crane and is placed in a rectangular groove at the upper end of the base 2, the stability of the transformer substation body 1 is improved, then the pit is covered by soil, one end of the conduit 12 penetrates out of the ground to facilitate the discharge of redundant water in the water storage tank 5, when raining, rainwater in the soil permeates into the cavity 4 through the water inlet hole 3 at the upper end of the base 2, the effect that the water level sensor 10 detects and enables the PLC controller in the transformer substation body 1 to start the first water pump 6 to pump accumulated water in the cavity 4 into the water storage tank 5 is facilitated, and the pit drainage effect of the transformer substation body 1 is improved, and then avoid the transformer substation body 1 to be corroded by the rainwater, when there is water in storage water tank 5 inside, through the effect in heat transfer to heat pipe 8 of heat-conducting plate 13 with the transformer substation body 1 production, be favorable to starting the water extraction to heat pipe 8 in 7 storage water tanks 5 of second water pump, flow back in storage water tank 5 again, and then be convenient for with the heat transfer to its inside aquatic in the heat pipe 8, realize the circulation heat dissipation, improved the radiating effect of transformer substation body 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A buried transformer substation for an electric power system comprises a transformer substation body (1) and a base (2), wherein a PLC (programmable logic controller) is arranged in the transformer substation body (1), and is characterized in that a rectangular groove used for placing the transformer substation body (1) is formed in the upper end of the base (2), the inner wall of the rectangular groove is hermetically connected with the transformer substation body (1), a plurality of water inlet holes (3) are formed in the upper end of the base (2) in a penetrating manner, a cavity (4) communicated with the water inlet holes (3) is formed in the base (2), a water storage tank (5) is fixedly connected onto the side wall of the base (2), a first water pump (6) communicated with the cavity (4) is fixedly connected onto the side wall of the water storage tank (5), a second water pump (7) is fixedly connected onto the upper side of the first water pump (6), and the input end of the second water pump (7) is communicated with the water storage tank (5), and the output end of the transformer substation is communicated with a plurality of heat conduction pipes (8), and the heat conduction pipes (8) are all contacted with the side wall of the transformer substation body (1).

2. The buried substation according to claim 1, wherein an inclined surface is formed on an inner bottom wall of the cavity (4), a collecting pipe (9) communicated with an input end of the first water pump (6) is fixedly connected to a lower end of the inclined surface, and an output end of the first water pump (6) is communicated with the water storage tank (5).

3. The buried substation for the power system according to claim 1, characterized in that a water level sensor (10) connected with a connection input end of a PLC (programmable logic controller) in the substation body (1) is fixedly connected to an inner bottom wall of the cavity (4), and an output end of the PLC is connected with the first water pump (6).

4. The buried transformer substation for the power system according to claim 1, characterized in that a filter screen (11) is arranged on the outer side of the transformer substation body (1), the filter screen (11) is of an annular structure and is in contact with the upper end of the base (2), and the filter screen (11) is communicated with the water inlet hole (3) in the upper end of the base (2).

5. The buried substation according to claim 1, wherein an overflow port is formed in the upper end of the water storage tank (5), a guide pipe (12) communicated with the overflow port is fixedly connected to the upper end of the water storage tank (5), and one end, far away from the water storage tank (5), of the guide pipe (12) extends to the ground.

6. The buried transformer substation for the power system according to claim 1, wherein a heat conducting plate (13) is sleeved on the side wall of the transformer substation body (1), a plurality of arc-shaped grooves (14) are formed in the side wall of the heat conducting plate (13), the arc-shaped grooves (14) are of an annular structure, and the heat conducting pipe (8) is fixedly connected in the arc-shaped grooves (14).