CN213583409U

CN213583409U - Heat exchange type internal circulation variable pressure station

Info

Publication number: CN213583409U
Application number: CN202023070660.7U
Authority: CN
Inventors: 程云青
Original assignee: Shijiazhuang Xinyongli Transformer Co ltd
Current assignee: Shijiazhuang Xinyongli Transformer Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-06-29
Anticipated expiration: 2030-12-18

Abstract

The utility model relates to a transformer technical field especially relates to a heat transfer type inner loop vary voltage station. Include heat transfer type heat abstractor one side sets up inside the transformer, and the opposite side sets up outside the transformer, heat transfer type heat abstractor includes heat exchange tube, circulating pump and pipeline, the fixed setting of circulating pump is on the ground of transformer one side, the heat exchange tube sets up inside the oil tank, the ground is buried there is the water tank, and the circulating pump gets up the inside coolant liquid circulation flow of water tank and heat exchange tube, and the water tank is lower at the underground temperature to bring low-temperature coolant liquid to the inside heat exchange tube of oil tank, directly cool down the inside insulating oil of oil tank through the heat exchange tube, thereby realize cooling down the transformer, the radiating effect of transformer is not only good, and the noise is little moreover, has solved traditional transformer and has passed through the fan heat dissipation, and not only the noise is big, moreover in the.

Description

Heat exchange type internal circulation variable pressure station

Technical Field

The utility model relates to a transformer technical field especially relates to a heat transfer type inner loop vary voltage station.

Background

Various voltage levels of the power system are converted by power transformers, wherein the voltage is increased to be a boosting transformer (a transformer substation is a boosting station), and the voltage is reduced to be a reducing transformer (the transformer substation is a reducing station). A two-turn transformer with two windings (windings) selected for one voltage to another voltage, and a three-turn transformer with three windings (windings) selected for one voltage to two voltages.

The existing small oil-immersed transformer dissipates heat through the peripheral heat dissipation fins, the large transformer dissipates heat through the peripheral heat dissipation fins, and a fan is arranged on one side of the transformer and dissipates heat to an oil tank through the fan; then the fan during operation only the noise is big, and in hot zone, transformer surrounding air temperature is higher moreover, and the radiating effect is relatively poor.

SUMMERY OF THE UTILITY MODEL

The technical problem to be solved by the utility model is to solve the technical deficiencies, and to provide a heat exchange type internal circulation transformer station, which comprises a heat exchange type heat dissipation device, one side of which is arranged inside a transformer, the other side is arranged outside the transformer, the heat exchange type heat dissipation device comprises a heat exchange pipe, a circulating pump and a pipeline, the circulating pump is fixedly arranged on the foundation on one side of the transformer, the heat exchange pipe is arranged inside an oil tank, the foundation is filled with a water tank, the circulating pump circulates and flows cooling liquid inside the water tank and the heat exchange pipe, the water tank has lower underground temperature, thereby bringing the low-temperature cooling liquid to the heat exchange pipe inside the oil tank, and directly cooling the insulating oil inside the oil tank through the heat exchange pipe, thereby realizing the cooling of the transformer, the heat dissipation effect of the transformer is not only good, but also the noise is low, not only the noise is big, moreover in the poor problem of hot zone radiating effect.

In order to solve the technical problem, the utility model discloses the technical scheme who adopts is: the transformer comprises a foundation, a plurality of groups of transformers and a heat exchange type heat dissipation device; the transformer is fixedly arranged on the foundation; one side of the heat exchange type heat dissipation device is arranged in the transformer, and the other side of the heat exchange type heat dissipation device is arranged outside the transformer; the transformer comprises an oil tank and a cover plate; an iron core assembly is arranged inside the oil tank; the cover plate is arranged at the top of the oil tank; a high-voltage wiring terminal and a low-voltage wiring terminal are arranged above the cover plate; the heat exchange type heat dissipation device comprises a heat exchange pipe, a circulating pump and a pipeline; the circulating pump is fixedly arranged on the foundation on one side of the transformer; the heat exchange tube is arranged inside the oil tank.

The technical scheme is further optimized, and the heat exchange tube is arranged between the iron core assembly and the cover plate below the high-low voltage binding post; a water inlet branch pipe and a water outlet branch pipe are arranged above one side of the heat exchange pipe; the water inlet branch pipe and the water outlet branch pipe are respectively fixedly arranged on the cover plate and are sealed with the connecting part of the cover plate.

Further optimizing the technical scheme, the outlet end of the circulating pump is provided with a main water outlet pipe; the main water outlet pipe is communicated with the branch water inlet pipe through a pipeline; a water return main pipe is arranged on one side of the water outlet main pipe; the return water main pipe is communicated with the water outlet branch pipe through a pipeline.

Further optimize this technical scheme, the pipeline of intaking branch pipe and play water branch pipe one end on be provided with the valve switch.

Further optimizing the technical scheme, the foundation is buried with a water tank; a water outlet pipe and a water return pipe are arranged above the water tank; the water outlet pipe is connected with the inlet end of the circulating pump through a pipeline; the water return pipe is connected with the water return main pipe through a pipeline.

Compared with the prior art, the utility model has the advantages of it is following:

1. heat transfer type heat abstractor one side sets up inside the transformer, and the opposite side setting is outside at the transformer, heat transfer type heat abstractor includes heat exchange tube, circulating pump and pipeline, the fixed setting of circulating pump is on the ground of transformer one side, the heat exchange tube sets up inside the oil tank, the ground is buried there is the water tank, and the circulating pump gets up water tank and the inside coolant liquid circulation of heat exchange tube.

2. The water tank is lower at the underground temperature to bring the cryogenic cooling liquid to the inside heat exchange tube of oil tank, directly cool down the inside insulating oil of oil tank through the heat exchange tube, thereby realize cooling down the transformer, the radiating effect of transformer is not only good, and the noise is little moreover, has solved traditional transformer and has passed through the fan heat dissipation, and not only the noise is big, is in the poor problem of hot zone radiating effect moreover.

3. The pipeline at one end of each of the water inlet branch pipe and the water outlet branch pipe is provided with a valve switch, when a designated transformer is overhauled, the valve switch corresponding to one side of the transformer is closed, the water circulation heat dissipation system corresponding to the position is closed, and heat dissipation of other transformers is not influenced when the designated transformer is overhauled.

Drawings

Fig. 1 is a distribution structure view of a heat exchange type internal circulation transformer station.

Fig. 2 is a schematic structural view of a water tank connection part of a heat exchange type internal circulation transformer station.

Fig. 3 is a schematic diagram of a water circulation external connection structure of a transformer of a heat exchange type internal circulation transformer station.

Fig. 4 is a schematic view of the installation position of a heat exchange pipe of a heat exchange type internal circulation transformer station.

In the figure: 1. a foundation; 2. a transformer; 201. an oil tank; 202. a cover plate; 203. an iron core assembly; 204. high and low voltage wiring terminals; 3. a heat exchange type heat dissipating device; 301. a heat exchange pipe; 302. a circulation pump; 303. a pipeline; 304. water inlet branch pipes; 305. a water outlet branch pipe; 306. a main water outlet pipe; 307. a water return main pipe; 308. opening and closing a valve; 309. a water tank; 310. a water outlet pipe; 311. a water return pipe.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

The first embodiment is as follows: as shown in fig. 1 to 4, the heat exchange type internal circulation variable pressure station is characterized in that: the transformer comprises a foundation 1, a plurality of groups of transformers 2 and a heat exchange type heat dissipation device 3; the transformer 2 is fixedly arranged on the foundation 1; one side of the heat exchange type heat dissipation device 3 is arranged inside the transformer 2, and the other side of the heat exchange type heat dissipation device is arranged outside the transformer 2; the transformer 2 comprises an oil tank 201 and a cover plate 202; an iron core assembly 203 is arranged inside the oil tank 201; the cover plate 202 is arranged on the top of the oil tank 201; a high-voltage and low-voltage wiring terminal 204 is arranged above the cover plate 202; the heat exchange type heat dissipation device 3 comprises a heat exchange pipe 301, a circulating pump 302 and a pipeline 303; the circulating pump 302 is fixedly arranged on the foundation 1 at one side of the transformer 2; the heat exchange pipe 301 is disposed inside the oil tank 201.

Preferably, the heat exchange tube 301 is arranged between the iron core assembly 203 and the cover plate 202 below the high-low voltage binding post 204; a water inlet branch pipe 304 and a water outlet branch pipe 305 are arranged above one side of the heat exchange pipe 301; the water inlet branch pipe 304 and the water outlet branch pipe 305 are respectively fixedly arranged on the cover plate 202 and are sealed with the connection part of the cover plate 202.

Preferably, the outlet end of the circulating pump 302 is provided with a main water outlet pipe 306; the main water outlet pipe 306 is communicated with the branch water inlet pipe 304 through a pipeline 303; a return main pipe 307 is arranged on one side of the outlet main pipe 306; the return main pipe 307 is communicated with the water outlet branch pipe 305 through a pipeline 303.

Preferably, a valve switch 308 is arranged on the pipeline 303 at one end of the water inlet branch pipe 304 and one end of the water outlet branch pipe 305.

Preferably, the foundation 1 is filled with a water tank 309; a water outlet pipe 310 and a water return pipe 311 are arranged above the water tank 309; the water outlet pipe 310 is connected with the inlet end of the circulating pump 302 through a pipeline 303; the water return pipe 311 is connected with the water return main pipe 307 through a pipeline 303.

Working principle, as shown in fig. 1-4, when the circulation pump 302 works, the cooling liquid in the water tank 309 is pumped out, and the temperature of the cooling liquid in the water tank 309 is low because the water tank 309 is buried underground; the outlet end of the circulating pump 302 is provided with a main outlet pipe 306, the main outlet pipe 306 is communicated with the branch inlet pipes 304 through a pipeline 303, and the cooling liquid is pumped into the main outlet pipe 306 under the action of the circulating pump 302 and then distributed into the branch inlet pipes 304 through the main outlet pipe 306.

The heat exchange tube 301 is arranged between the iron core assembly 203 and the cover plate 202 below the high-low voltage binding post 204, a water inlet branched tube 304 and a water outlet branched tube 305 are arranged above one side of the heat exchange tube 301, the water inlet branched tube 304 and the water outlet branched tube 305 are respectively and fixedly arranged on the cover plate 202 and are sealed with the connecting part of the cover plate 202, cooling liquid can enter the inside of the heat exchange tube 301 through the water inlet branched tube 304, and the heat exchange tube 301 is positioned inside the oil tank 201, so that insulating oil inside the oil tank 201 can be directly cooled through the heat exchange tube 301; the transformer 2 is cooled by the low-temperature cooling liquid, and the cooling effect of the transformer 2 is better.

The cooling liquid passes through the heat exchange pipe 301 and then reaches the water outlet branch pipe 305, a return water main pipe 307 is arranged on one side of the water outlet main pipe 306, the return water main pipe 307 is communicated with the water outlet branch pipe 305 through a pipeline 303, the cooling liquid can enter the return water main pipe 307 through the water outlet branch pipe 305 and then flows back to the water tank 309 through the return water main pipe 307 and the return water pipe 311, and the cooling liquid is cooled in the underground water tank 309.

So said water tank 309 is lower at the underground temperature to bring the cryogenic coolant to the inside heat exchange tube 301 of oil tank 201, directly cool down the inside insulating oil of oil tank 201 through heat exchange tube 301, thereby realize cooling down transformer 2, transformer 2's radiating effect is not only good, and the noise is little moreover, has solved traditional transformer and has passed through the fan heat dissipation, and not only the noise is big, is in the poor problem of hot zone radiating effect moreover.

The pipeline 303 at one end of the water inlet branch pipe 304 and one end of the water outlet branch pipe 305 are provided with valve switches 308, when the designated transformer 2 is overhauled, the valve switch 308 at one side of the corresponding transformer 2 is closed, the water circulation heat dissipation system at the corresponding part is closed, and heat dissipation of other transformers 2 is not influenced when the designated transformer 2 is overhauled.

The utility model discloses a control mode comes automatic control through the controller, and the control circuit of controller can realize through the simple programming of technical staff in this field, belongs to the common general knowledge in this field, and the utility model discloses mainly be used for protecting mechanical device, so the utility model discloses no longer explain control mode and circuit connection in detail.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims

1. A heat exchange type inner circulation vary voltage station which characterized in that: comprises a foundation (1), a plurality of groups of transformers (2) and a heat exchange type heat dissipation device (3); the transformer (2) is fixedly arranged on the foundation (1); one side of the heat exchange type heat dissipation device (3) is arranged inside the transformer (2), and the other side of the heat exchange type heat dissipation device is arranged outside the transformer (2); the transformer (2) comprises an oil tank (201) and a cover plate (202); an iron core assembly (203) is arranged in the oil tank (201); the cover plate (202) is arranged on the top of the oil tank (201); a high-voltage and low-voltage wiring terminal (204) is arranged above the cover plate (202); the heat exchange type heat dissipation device (3) comprises a heat exchange pipe (301), a circulating pump (302) and a pipeline (303); the circulating pump (302) is fixedly arranged on the foundation (1) at one side of the transformer (2); the heat exchange tube (301) is arranged inside the oil tank (201).

2. A heat exchange type internal circulation pressure swing station in accordance with claim 1, wherein: the heat exchange tube (301) is arranged between an iron core assembly (203) below the high-low voltage binding post (204) and the cover plate (202); a water inlet branch pipe (304) and a water outlet branch pipe (305) are arranged above one side of the heat exchange pipe (301); the water inlet branch pipe (304) and the water outlet branch pipe (305) are respectively and fixedly arranged on the cover plate (202) and are sealed with the connecting part of the cover plate (202).

3. A heat exchange type internal circulation pressure swing station in accordance with claim 2, wherein: the outlet end of the circulating pump (302) is provided with a main water outlet pipe (306); the water outlet main pipe (306) is communicated with the water inlet branch pipe (304) through a pipeline (303); a backwater main pipe (307) is arranged at one side of the water outlet main pipe (306); the return water main pipe (307) is communicated with the water outlet branch pipe (305) through a pipeline (303).

4. A heat exchange type internal circulation pressure swing station in accordance with claim 2, wherein: and valve switches (308) are arranged on pipelines (303) at one ends of the water inlet branch pipe (304) and the water outlet branch pipe (305).

5. A heat exchange type internal circulation pressure swing station in accordance with claim 3, wherein: the foundation (1) is filled with a water tank (309); a water outlet pipe (310) and a water return pipe (311) are arranged above the water tank (309); the water outlet pipe (310) is connected with the inlet end of the circulating pump (302) through a pipeline (303); the water return pipe (311) is connected with the water return main pipe (307) through a pipeline (303).