CN111063520A

CN111063520A - Spiral tube type circulating heat dissipation transformer

Info

Publication number: CN111063520A
Application number: CN202010024751.2A
Authority: CN
Inventors: 谢晓佳; 林倍铭
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-01-10
Filing date: 2020-01-10
Publication date: 2020-04-24

Abstract

The invention discloses a spiral tube type circulating heat dissipation transformer, and belongs to the technical field of transformers. The technical scheme of the invention is as follows: in the technical scheme of the invention, an oil conservator is arranged at the upper position close to one side of the transformer oil tank body, and is connected to participate in heat dissipation circulation, the external oil conservator can improve the height of a cooling oil circulation loop, so that the upper part of an iron core winding in the transformer oil tank body has a higher and larger space for containing transformer oil, the transformer oil at the upper layer with higher temperature in the whole circulation loop always flows into the higher oil conservator, and the iron core winding of the transformer is always positioned in the space close to an oil layer of the transformer, namely, is always positioned in the oil layer with lower oil temperature, so that the iron core winding is fully cooled, works in a lower temperature environment, and the heat dissipation working efficiency of the iron core winding is improved.

Description

Spiral tube type circulating heat dissipation transformer

Technical Field

The invention belongs to the related technical field of transformers, and particularly relates to a spiral tube type circulating heat dissipation transformer.

Background

A transformer is a device that changes an alternating voltage using the principle of electromagnetic induction, and main components are a primary coil, a secondary coil, and an iron core (magnetic core). The main functions are as follows: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformer), and the like. According to the application, the method can be divided into: power transformers and special transformers (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.).

Power delivery networks are dense and require transformers at the ends of the network for voltage conversion. The transformer has the advantages that heat is generated in the working process of the transformer, the efficiency of voltage conversion is affected by overhigh temperature, loss is increased, the design of the transformer pays attention to heat dissipation performance, the upper end and the lower end of the heat dissipation pipe are respectively communicated with the upper portion and the lower portion of the inner space of the transformer oil tank to form a circulation loop, the whole circulation loop does not exceed the height of the transformer oil tank, transformer oil with different temperatures has different densities, the oil temperature of the transformer oil in the whole circulation loop is reduced layer by layer from top to bottom, namely, the temperature of the upper layer is higher than that of the lower layer, the distance between the iron core winding of the existing transformer and the upper cover of the transformer oil tank is small, so that part of the iron core winding is still immersed in the oil layer with higher temperature, heat dissipation is affected, the working efficiency is affected.

Disclosure of Invention

The technical problems to be solved by the invention are as follows: the spiral tube type circulating heat-dissipation transformer is provided for solving the problems that the distance between the current transformer iron core winding and the upper cover of the transformer oil tank is small, and thus part of the iron core winding is still immersed in an oil layer with high temperature, heat dissipation is affected, and working efficiency is affected.

In order to solve the technical problems, the invention adopts the following technical scheme:

a spiral tube type circulating heat dissipation transformer comprises a transformer oil tank body; a pair of U-shaped supports are fixedly installed at a position on one side of the transformer oil tank body in the length direction, an oil conservator is fixedly clamped at one end of the U-shaped supports, which deviates from the transformer oil tank body, the oil conservator comprises a lower tank body, an upper tank body and a top cover which are sequentially distributed from bottom to top, the lower tank body is of a long groove structure with a U-shaped cross section, the lower edge of the upper tank body is fixedly connected with the upper edge of the lower tank body through bolts, the top cover covers the top of the upper tank body, a plurality of upper flow pipelines are horizontally arranged at one side of the lower tank body, which is close to the transformer oil tank body, the other end of each upper flow pipeline is fixedly connected to the side wall of the top end of the transformer oil tank body, a plurality of lower flow pipelines are arranged at the bottom of the lower tank body in the length direction, spiral radiating pipes are arranged and communicated at the lower ends of the spiral radiating, one side of the collecting pipe close to the transformer oil tank body is communicated with the lower space of the transformer oil tank body through a pipeline.

And a diaphragm is arranged between the lower groove body and the upper frame body in the oil conservator, and the edge of the diaphragm is fixed by vertically pressing the edges of the upper frame body and the lower groove body.

The monitoring rod is vertically arranged and penetrates through a hole corresponding to the top cover.

The connector of the upper flow pipeline on the lower groove body is positioned at the position more than one half of the depth of the lower groove body.

Wherein, the port of the downflow pipeline entering the lower tank body is at least one centimeter higher than the bottom of the lower tank body.

And an oil pump is arranged on a pipeline communicated with the bottom of the transformer oil tank body.

The transformer oil tank is characterized in that an iron core and a winding are arranged in the transformer oil tank body, and the iron core and the winding are located in a space below two-thirds of the height of the oil tank.

Compared with other methods, the method has the beneficial technical effects that:

according to the technical scheme, the oil conservator is arranged at the position close to one side of the transformer oil tank body, the oil conservator is connected with the oil conservator to participate in heat dissipation circulation, the height of a cooling oil circulation loop can be increased through the external oil conservator, the upper part of an iron core winding in the transformer oil tank body is provided with a higher and larger space for containing transformer oil, the transformer oil at the upper layer with higher temperature in the whole circulation loop always flows into the higher oil conservator, the iron core winding of the transformer is always positioned in the space close to an oil layer of the transformer and is also always positioned in the oil layer with lower oil temperature, the iron core winding is fully cooled, and the heat dissipation working efficiency of the iron core winding is improved when the iron core winding works in a lower; meanwhile, a diaphragm is clamped and fixed between the lower tank body and the upper frame body of the oil conservator part, so that the oil conservator part plays a role in sealing and isolation, and can be made of elastic materials such as rubber and the like, the deformable allowance is large, the internal pressure change caused by expansion and contraction of transformer oil can be further dealt with, when the oil pressure is too high, the diaphragm expands upwards to form a bulge, the monitoring rod fixed at the top of the diaphragm is jacked up, the phenomenon that the pipeline joint is leaked due to too high oil pressure is avoided, the monitoring rod protruding upwards can remind a worker to timely relieve the pressure, a spiral radiating pipe is adopted at the bottom of a down flow pipeline, a larger radiating area can be obtained, the flowing time of the transformer oil in the radiating pipe is prolonged, and the heat exchange efficiency is improved.

Drawings

FIG. 1 is a schematic front view of the apparatus of the present invention;

FIG. 2 is a schematic left side view of the apparatus of the present invention;

FIG. 3 is a schematic sectional view of the area of the conservator 1 in FIG. 1;

1. an oil conservator; 11. a lower trough body; 12. an upper frame body; 13. a diaphragm; 14. a top cover; 15. a monitoring lever; 16. an upstream pipe; 17. a down-flow conduit; 2. a transformer tank body; 3. a spiral radiating pipe; 4. a U-shaped bracket; 5. a collector pipe; 6. an oil pump.

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 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. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention. The words "upper", "lower", "left" and "right" when used herein are merely intended to designate corresponding upper, lower, left and right directions in the drawings, and do not limit the structure thereof.

The spiral tube type circulating heat dissipation transformer shown in fig. 1-3 comprises a transformer oil tank body 2; in order to facilitate the installation of an external oil conservator 1, a pair of U-shaped supports 4 is fixedly installed at the position close to the upper position on one side of the transformer oil tank body 2 in the length direction, the oil conservator 1 is fixedly clamped on one end, away from the transformer oil tank body 2, of each U-shaped support 4, each oil conservator 1 comprises a lower groove body 11, an upper frame body 12 and a top cover 14 which are sequentially distributed from bottom to top, each lower groove body 11 is of a long groove structure with a U-shaped cross section, and therefore the inclined bottom of each lower groove body is more beneficial to the downward flow of a medium; the lower edge of the upper frame body 12 is fastened and connected with the upper edge of the lower tank body 11 through bolts, so that disassembly, assembly and maintenance are convenient, the top cover 14 covers the top of the upper frame body 12, the top cover 14 is used for performing dustproof isolation in the conservator 1, one side of the lower tank body 11 close to the transformer oil tank body 2 is horizontally provided with a plurality of upstream pipelines 16 for allowing a medium in the transformer oil tank body 2 to flow into the conservator 1, the other end of each upstream pipeline 16 is fixedly connected to the side wall of the top end of the transformer oil tank body 2 so as to realize medium circulation between the conservator 1 and the transformer oil tank body 2, the bottom of the lower tank body 11 is provided with a plurality of downstream pipelines 17 along the length direction thereof for allowing the oil to flow out of the conservator 1 and then enter the next process flow, the lower end of each downstream pipeline 17 is provided with a spiral radiating pipe 3 communicated therewith, so as to increase the contact area between the pipelines and the, and then improve the heat exchange efficiency of high temperature oil and external world, the bottom of spiral cooling tube 3 is equipped with the collecting pipe 5 and communicates with it, one side that the collecting pipe 5 is close to transformer tank body 2 is connected with transformer tank body 2 lower part space through the pipeline and is communicated with each other, is convenient for assemble the management to the oil body medium like this, and the convenient medium that drives all downflow pipelines 17 through an oil pump 6 moves, practices thrift the cost.

Further, be equipped with diaphragm 13 between lower cell body 11 in the conservator 1 and the last framework 12, thereby the border of diaphragm 13 is pressed fit from top to bottom by the edge of last framework 12 with lower cell body 11 and is fixed, in this embodiment scheme, diaphragm 13 can select to be made by elastic material such as rubber, like this when the oil pressure in the circulating oil circuit because external environment or other reasons uprise, accessible diaphragm 13 compressive force effect takes place elastic deformation arch to reduce the oil pressure, prevent that the too high pipeline junction that causes of pressure from breaking.

Further, the higher authority of diaphragm 13 position fixedly connected with monitoring rod 15 placed in the middle, monitoring rod 15 is vertical to be laid and pass in the hole rather than corresponding from top cap 14, and the protruding degree of diaphragm 13 is directly known to accessible monitoring rod 15 like this, and then knows whether too high of oil pressure, conveniently in time carries out the pressure release work to it.

Furthermore, the interface of the upper flow pipeline 16 on the lower tank body 11 is located at a position more than one half of the depth of the lower tank body 11, so that more cooling oil can be stored in the lower tank body 1, and high-temperature oil at the upper layer in the transformer oil tank body 2 is quickly discharged into the conservator 1.

Furthermore, the port of the down-flow pipe 17 entering the lower tank 11 is at least one centimeter higher than the bottom of the lower tank 11, which is convenient for the deposition of particle impurities.

Furthermore, an oil pump 6 is installed on a pipeline communicated with the bottom of the transformer oil tank body 2 through the collecting pipe 5 and is used for driving fluid to move and realizing oil circuit circulation.

Furthermore, an iron core and a winding are arranged in the transformer oil tank body 2 and are positioned in a space below two thirds of the height of the oil tank, so that the iron core and the winding can be positioned in a lower oil layer and are at lower temperature.

The present invention has been further described with reference to specific embodiments, but it should be understood that the detailed description should not be construed as limiting the spirit and scope of the present invention, and various modifications made to the above-described embodiments by those of ordinary skill in the art after reading this specification are within the scope of the present invention.

Claims

1. The utility model provides a spiral tube formula circulation heat dissipation transformer, includes the transformer tank body (2), its characterized in that, follows the transformer tank body (2) length direction's one side is leaned on last fixed position and is installed a pair of U type support (4), U type support (4) deviate from one end of the transformer tank body (2) and are served the centre gripping and be fixed with conservator (1), conservator (1) include lower cell body (11), upper frame body (12) and top cap (14) that distribute from bottom to top in proper order, cell body (11) are the elongated slot structure of U-shaped down, the lower edge of upper frame body (12) is through bolt and the last edge realization fastening connection of lower cell body (11), top cap (14) lid closes the top of upper frame body (12), one side horizontal arrangement that cell body (11) is close to the transformer tank body (2) down is provided with a plurality of upper flow pipeline (16), the other end fixed connection of upstream pipe way (16) is on the top lateral wall of the transformer oil tank body (2), and the bottom of lower cell body (11) is provided with a plurality of downstream pipe ways (17) along its length direction, the lower extreme of every downstream pipe way (17) all sets up and communicates and is equipped with spiral cooling tube (3), the lower extreme of spiral cooling tube (3) is equipped with collecting pipe (5) and communicates rather than, one side that collecting pipe (5) are close to the transformer oil tank body (2) is communicated with each other through pipeline and transformer oil tank body (2) lower part space connection.

2. The spiral tube type circulating heat-dissipation transformer as recited in claim 1, wherein a diaphragm (13) is disposed between the lower tank (11) and the upper frame (12) in the conservator (1), and the edge of the diaphragm (13) is fixed by pressing the upper frame (12) and the edge of the lower tank (11) up and down.

3. The spiral tube type circulating heat-dissipating transformer of claim 2, wherein a monitoring rod (15) is fixedly connected to the upper center of the diaphragm (13), and the monitoring rod (15) is vertically placed and penetrates through a hole corresponding to the monitoring rod on the top cover (14).

4. The spiral tube type circulating heat-dissipation transformer as recited in claim 1, wherein the interface of the upstream pipe (16) on the lower tank (11) is located at a position more than one half of the depth of the lower tank (11).

5. The spiral tube type circulating heat dissipation transformer of claim 1, wherein the port of the down flow pipeline (17) entering the lower tank body (11) is at least one centimeter higher than the bottom of the lower tank body (11).

6. The spiral tube type circulating heat dissipation transformer of claim 1, wherein an oil pump (6) is installed on a pipeline of the collecting tube (5) communicated with the bottom of the transformer oil tank body (2).

7. The spiral tube type circulating heat dissipation transformer of claim 1, wherein an iron core and a winding are arranged in the transformer oil tank body (2), and the iron core and the winding are positioned in a space below two thirds of the height of the oil tank.