CN217061687U

CN217061687U - Dry-type transformer with high-efficient heat radiation structure

Info

Publication number: CN217061687U
Application number: CN202220658402.0U
Authority: CN
Inventors: 于兴益; 周杰; 于小军; 胡志坚
Original assignee: YIXING XINGYI SPECIAL TRANSFORMER CO Ltd
Current assignee: YIXING XINGYI SPECIAL TRANSFORMER CO Ltd
Priority date: 2022-03-25
Filing date: 2022-03-25
Publication date: 2022-07-26
Anticipated expiration: 2032-03-25

Abstract

The utility model discloses a dry-type transformer with a high-efficiency heat dissipation structure, which relates to the technical field of transformers and comprises a transformer shell; the cooling liquid pipelines are fixedly arranged on the side wall of the transformer shell, the cooling liquid pipelines are uniformly distributed along the circumferential direction of the transformer shell, the end parts of the cooling liquid pipelines are sequentially connected to form a serpentine cooling pipeline, and two opposite sides of each cooling liquid pipeline extend into the transformer shell and out of the transformer shell respectively; and a cooling liquid storage tank, wherein a liquid outlet of the cooling liquid storage tank is communicated with the cooling liquid inlet, and a liquid inlet of the cooling liquid storage tank is communicated with the cooling liquid outlet. The utility model discloses be provided with a plurality of coolant liquid pipelines on transformer housing's lateral wall, these coolant liquid pipelines connect gradually and form the cooling pipeline, and when the coolant liquid was at cooling pipeline mesocycle flow, the heat that produces when the transformer operation was taken away in the accessible heat exchange, had improved the heat dispersion of transformer greatly.

Description

Dry-type transformer with high-efficient heat radiation structure

Technical Field

The utility model relates to a transformer technical field especially relates to a dry-type transformer with high-efficient heat radiation structure.

Background

The dry type transformer is a transformer with an iron core and a winding which are not immersed in insulating oil, and mainly comprises an iron core made of silicon steel sheets and coils cast by epoxy resin, wherein an insulating cylinder is arranged between the high-voltage coils and the low-voltage coils to increase electrical insulation, and the coils are supported and restrained by cushion blocks. The dry-type transformer is widely applied to places such as local illumination, high-rise buildings, airports, wharf CNC mechanical equipment and the like. Most of the heat dissipation forms of the existing dry-type transformer are natural air cooling, the heat transfer efficiency is low in the using process, the working efficiency of the dry-type transformer can be reduced, and the service life of the transformer can be influenced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that, overcome prior art's shortcoming, provide a dry-type transformer with high-efficient heat radiation structure.

In order to solve the technical problem, the technical scheme of the utility model as follows:

a dry-type transformer with high-efficiency heat dissipation structure comprises,

a transformer housing;

the cooling liquid pipelines are fixedly arranged on the side wall of the transformer shell, the cooling liquid pipelines are uniformly distributed along the circumferential direction of the transformer shell, and two opposite sides of each cooling liquid pipeline respectively extend into the transformer shell and out of the transformer shell; and (c) a second step of,

and a liquid outlet of the cooling liquid storage tank is communicated with the cooling liquid inlet, and a liquid inlet of the cooling liquid storage tank is communicated with the cooling liquid outlet.

As a preferred scheme of dry-type transformer with high-efficient heat radiation structure, wherein: the coolant pipeline is arranged along the vertical direction.

As a preferred scheme of dry-type transformer with high-efficient heat radiation structure, wherein: the transformer shell is characterized in that a plurality of heat dissipation plates arranged in the vertical direction are fixedly arranged outside the side wall of the transformer shell, and each heat dissipation plate is located between two adjacent cooling liquid pipelines.

As an optimized scheme of dry-type transformer with high-efficient heat radiation structure, wherein: the distance between any heat dissipation plate and two adjacent cooling liquid pipelines is equal.

As a preferred scheme of dry-type transformer with high-efficient heat radiation structure, wherein: the transformer is characterized in that a heat-conducting plate is fixedly arranged in the transformer shell, the heat-conducting plate is sleeved on the outer side of the iron core, and the heat-conducting plate is attached to the side wall of the cooling liquid pipeline in the transformer shell.

As a preferred scheme of dry-type transformer with high-efficient heat radiation structure, wherein: the transformer shell is in a hollow cylindrical shape, the heat-conducting plate is in a cylindrical shape, and the heat-conducting plate and the transformer shell are coaxially arranged.

The utility model has the advantages that:

(1) the utility model discloses be provided with a plurality of coolant liquid pipelines on transformer housing's lateral wall, the coolant liquid is when the coolant liquid pipeline flows, and the heat that produces when the transformer operation is taken away in the accessible heat exchange has improved the heat dispersion of transformer greatly.

(2) The utility model discloses be provided with a plurality of heating panels in transformer housing's the outside, these heating panels evenly arrange in transformer housing's the outside, greatly increased transformer housing's heat radiating area, improved transformer housing's radiating efficiency.

(3) The utility model discloses still fixed mounting has the heat-conducting plate in the transformer housing, and during the transformer operation, the heat that iron core department produced can be transmitted rapidly to the lateral wall of transformer housing by the heat-conducting plate on, carries out the heat exchange with the coolant liquid pipeline in the transformer housing lateral wall to conduct the heat that the transformer during operation produced outside the transformer housing fast.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of a dry-type transformer with a high-efficiency heat dissipation structure provided by the present invention;

fig. 2 is a schematic structural diagram of another view angle of the dry-type transformer with the efficient heat dissipation structure provided by the present invention;

fig. 3 is a schematic structural diagram of the dry-type transformer with the efficient heat dissipation structure according to the present invention after the top cover is removed;

FIG. 4 is a schematic cross-sectional view A-A of FIG. 1;

wherein: 1. a transformer housing; 2. a coolant line; 3. a heat dissipation plate; 4. a heat conducting plate; 5. and (6) supporting the block.

Detailed Description

In order that the present invention may be more clearly understood, a more particular description of the invention will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

The embodiment provides a dry-type transformer with a high-efficiency heat dissipation structure, which comprises a hollow cylindrical transformer shell 1, an iron core installed in the transformer shell 1 and a winding wound on the iron core.

The side wall of the transformer housing 1 is fixedly provided with a plurality of cooling liquid pipelines 2, the plurality of cooling liquid pipelines 2 are all arranged along the vertical direction and are evenly distributed along the circumferential direction of the transformer housing 1, that is, the plurality of cooling liquid pipelines 2 are annularly arranged by taking the central axis of the transformer housing 1 as an axis, see fig. 1. The two ends of each cooling liquid pipeline 2 are respectively a cooling liquid inlet and a cooling liquid outlet. The cooling liquid inlet is communicated with a liquid outlet of an external cooling liquid storage tank through the pump body, and the cooling liquid outlet is communicated with a liquid inlet of the cooling liquid storage tank.

The pump body can be carried the cooling liquid in the cooling liquid storage tank to the cooling pipeline in through the coolant liquid import, moves along coolant liquid pipeline 2 to in getting back to the cooling liquid storage tank through the coolant liquid export, realize the circulation flow of cooling liquid. When the cooling liquid circularly flows in the cooling liquid pipeline 2, the heat generated during the operation of the transformer can be taken away through heat exchange, and the heat dissipation performance of the transformer is greatly improved.

It should be noted that opposite two sides of each coolant pipe 2 extend into the transformer housing 1 and out of the transformer housing 1, respectively, that is, a part of the coolant pipe 2 is located in the transformer housing 1, and a part of the coolant pipe 2 is located outside the transformer housing 1. The part of the coolant pipe 2 extending into the transformer housing 1 is directly contacted with the air inside the transformer housing 1 and directly exchanges heat.

Referring to fig. 2, the bottom of the transformer housing 1 is fixedly provided with three supporting blocks 5, the transformer housing 1 is heightened through the supporting blocks 5, a coolant storage tank is conveniently connected with the coolant pipeline 2 through a pipeline, and the stability of the transformer housing 1 is ensured.

In the present embodiment, the coolant line 2 has a circular cross-section. The diameter of the cross section of the cooling liquid pipeline 2 is larger than the thickness of the side wall of the transformer shell 1, and the side wall of the transformer shell 1 penetrates through the circle center of the cross section of the cooling liquid pipeline 2.

In another embodiment, the coolant line 2 has a rectangular cross-section. The length or width of the cross section of the coolant pipe 2 is greater than the thickness of the side wall of the transformer housing 1, and the side wall of the transformer housing 1 passes through the center of the cross section of the coolant pipe 2.

The transformer casing 1 is characterized in that a plurality of heat dissipation plates 3 are fixedly arranged on the outer side of the side wall, and the heat dissipation plates 3 are arranged in the vertical direction. Wherein, every heating panel 3 all is located between two adjacent coolant liquid pipelines 2, and the interval between heating panel 3 and two adjacent coolant liquid pipelines 2 is equal. The plurality of heat dissipation plates 3 are uniformly distributed outside the transformer shell 1, so that the heat dissipation area of the transformer shell 1 is greatly increased, and the heat dissipation efficiency of the transformer shell 1 is improved.

A heat conducting plate 4 is fixedly arranged in the transformer shell 1, the heat conducting plate 4 is cylindrical and is coaxial with the transformer shell 1, and the heat conducting plate 4 is sleeved on the outer side of the iron core. The outer side surface of the heat conducting plate 4 is attached to the side wall of the cooling liquid pipeline 2 in the transformer shell 1. When the transformer operates, heat generated at the iron core can be rapidly transferred to the side wall of the cooling liquid pipeline 2 through the heat conducting plate 4 to exchange heat with the cooling liquid pipeline 2, so that the heat generated when the transformer operates is rapidly conducted out of the transformer shell 1.

In this embodiment, the heat conducting plate 4 is made of a metal plate material, and the thickness thereof is small, 3 to 5 mm.

Therefore, the dry-type transformer with the efficient heat dissipation structure greatly improves the heat dissipation performance of the transformer, ensures the normal use of the transformer and prolongs the service life of the transformer.

In addition to the above embodiments, the present invention may have other embodiments; all technical solutions formed by adopting equivalent replacement or equivalent transformation fall within the protection scope required by the utility model.

Claims

1. The utility model provides a dry-type transformer with high-efficient heat radiation structure which characterized in that: comprises the steps of (a) preparing a substrate,

a transformer housing (1);

the cooling liquid pipelines (2) are fixedly arranged on the side wall of the transformer shell (1), the cooling liquid pipelines (2) are uniformly distributed along the circumferential direction of the transformer shell (1), and two opposite sides of each cooling liquid pipeline (2) respectively extend into the transformer shell (1) and out of the transformer shell (1); and the number of the first and second groups,

and the liquid outlet of the cooling liquid storage tank is communicated with the cooling liquid inlet, and the liquid inlet of the cooling liquid storage tank is communicated with the cooling liquid outlet.

2. A dry-type transformer having a high-efficiency heat-dissipating structure as claimed in claim 1, wherein: the cooling liquid pipeline (2) is arranged along the vertical direction.

3. A dry-type transformer having a high-efficiency heat-dissipating structure as claimed in claim 2, wherein: the transformer shell is characterized in that a plurality of heating panels (3) arranged in the vertical direction are fixedly arranged outside the side wall of the transformer shell (1), and each heating panel (3) is located between two adjacent cooling liquid pipelines (2).

4. A dry-type transformer with high efficiency heat dissipation structure as recited in claim 3, wherein: the distance between any heat dissipation plate (3) and two adjacent cooling liquid pipelines (2) is equal.

5. A dry-type transformer with high efficiency heat dissipation structure as recited in any one of claims 1 to 4, wherein: the transformer is characterized in that a heat-conducting plate (4) is fixedly arranged in the transformer shell (1), the heat-conducting plate (4) is sleeved on the outer side of the iron core, and the heat-conducting plate (4) is attached to the side wall of the cooling liquid pipeline (2) in the transformer shell (1).

6. The dry type transformer with high efficiency heat dissipation structure as recited in claim 5, wherein: the transformer shell (1) is in a hollow cylindrical shape, the heat-conducting plate (4) is in a cylindrical shape, and the heat-conducting plate (4) and the transformer shell (1) are coaxially arranged.