阅读说明：本技术 一种风冷和油冷相互结合的变压器散热装置 (Air cooling and oil cooling combined transformer heat dissipation device ) 是由 桑胜兵 姜曼军 杨丙鹏 刘莉莉 于 2021-01-08 设计创作，主要内容包括：本发明公开了一种风冷和油冷相互结合的变压器散热装置,涉及变压器散热技术领域。本发明包括变压器散热器、变压器存放底座、油冷装置和风冷装置；变压器散热器由多组等间距设置的曲面散热片组成；曲面散热片上表面中部开设有一矩形贯通槽；多组矩形贯通槽在变压器散热器内部形成变压器存放腔；变压器存放底座嵌装在变压器存放腔底部；油冷装置包括油液循环管路和油枕；油液循环管路依次通过曲面散热片两侧的贯通孔贯穿变压器散热器；油枕与油液循环管路两端连通形成连通回路。本发明通过将变压器安装在变压器散热器内部,利用变压器散热器的曲面散热片同时进行水冷和油冷降温,提高变压器的散热效果,增加变压器的使用寿命。(The invention discloses a transformer heat dissipation device combining air cooling and oil cooling, and relates to the technical field of transformer heat dissipation. The invention comprises a transformer radiator, a transformer storage base, an oil cooling device and an air cooling device; the transformer radiator consists of a plurality of groups of curved surface radiating fins which are arranged at equal intervals; the middle part of the upper surface of the curved surface radiating fin is provided with a rectangular through groove; a plurality of groups of rectangular through grooves form a transformer storage cavity in the transformer radiator; the transformer storage base is embedded at the bottom of the transformer storage cavity; the oil cooling device comprises an oil circulating pipeline and an oil conservator; the oil liquid circulating pipeline sequentially penetrates through the transformer radiator through the through holes on the two sides of the curved radiating fins; the oil conservator is communicated with two ends of the oil liquid circulating pipeline to form a communicated loop. According to the invention, the transformer is arranged in the transformer radiator, and the curved-surface radiating fins of the transformer radiator are utilized to simultaneously carry out water cooling and oil cooling, so that the radiating effect of the transformer is improved, and the service life of the transformer is prolonged.)

1. A transformer heat dissipation device combining air cooling and oil cooling is characterized by comprising a transformer heat dissipation device (1), a transformer storage base (2), an oil cooling device (3) and an air cooling device (4);

the transformer radiator (1) is composed of a plurality of groups of curved surface radiating fins (101) arranged at equal intervals; the cross section of the curved surface radiating fin (101) is wavy; a plurality of through holes (102) are symmetrically formed in two sides of the upper surface of the curved radiating fin (101); the middle part of the upper surface of the curved surface radiating fin (101) is provided with a rectangular through groove (103); a plurality of groups of rectangular through grooves (103) form transformer storage cavities in the transformer radiator (1);

the transformer storage base (2) is embedded at the bottom of the transformer storage cavity; the transformer storage base (2) is a box body; the transformer is placed in the box body;

the oil cooling device (3) comprises an oil liquid circulating pipeline (301) and an oil conservator (302); the oil liquid circulation pipeline (301) penetrates through the transformer radiator (1) sequentially through the through holes (102) on the two sides of the curved radiating fin (101); the oil conservator (302) is communicated with two ends of the oil circulating pipeline (301) to form a communicated loop;

the air cooling device (4) comprises two rectangular fan frames (401) which are perpendicular to each other and a right-angle bracket (402) for connecting and fixing the two fan frames (401); the air cooling device is fixed on the side edge of the transformer radiator (1); the middle part of the fan frame (401) is provided with a motor; the output shaft of the motor is in transmission connection with a rotating shaft (403) through a speed reducer; fan blades (404) are welded on the transmission shaft (403).

2. The mutual combination of air cooling and oil cooling transformer heat dissipation device according to claim 1, wherein the through holes (102) are symmetrically arranged at two sides of the rectangular through groove (103); the oil liquid circulating pipeline (301) is in clearance fit with the through hole (102).

3. The transformer heat dissipation device combining air cooling and oil cooling as claimed in claim 1, wherein the oil circulation pipeline (301) has a U-shaped structure; and an oil pump is further arranged on a communication loop formed by the oil liquid circulation pipeline (301) and the oil conservator (302).

4. The air-cooling and oil-cooling combined transformer heat dissipation device as recited in claim 1, wherein two side walls inside the transformer storage base (2) are symmetrically provided with clamping grooves (201); the periphery of the lower part of the transformer storage base (2) is provided with heat dissipation holes (202).

5. The air-cooled and oil-cooled combined transformer heat dissipation device as recited in claim 1, wherein a fixture block is disposed at the bottom of the transformer; the clamping block is matched with the clamping groove (201); the height of the transformer is smaller than that of the transformer radiator (1).

6. The mutual combination of air-cooling and oil-cooling transformer heat sink according to claim 1, wherein the transformer heat sink (1) is composed of 4-8 groups of curved fins (101).

Technical Field

The invention belongs to the technical field of transformer heat dissipation, and particularly relates to a transformer heat dissipation device with air cooling and oil cooling combined.

Background

The transformer is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, main components are a primary coil, a secondary coil and an iron core, and the transformer has the following main functions: the transformer comprises a power transformer, a special transformer and the like, and is divided into a power transformer, a special transformer and the like according to purposes, the traditional alternating current transformer has poor heat dissipation effect, when the internal temperature of the transformer is too high, the temperature of a coil winding is easy to rise, so that the internal structure of the transformer is burnt, and in a large transformer, transformer oil is generally used for cooling the transformer. In the oil cooling process, transformer oil enters the oil cooling pipe from the inlet of the oil cooling pipe and flows through the oil cooling pipe, the transformer oil is cooled in the process, meanwhile, the temperature of the transformer oil is reduced, the cooled transformer oil flows back into the transformer through the return hole and cools the transformer again, and the transformer oil is repeatedly operated to cool the transformer.

With the increase of the capacity of the transformer and the influence of environmental changes, the cooling requirement of the transformer on the transformer oil is higher and higher. The transformer oil is cooled by simply using a traditional oil cooling mode, so that all requirements cannot be met, and a method for arranging an air cooler or a water cooler on an oil cooling pipe exists in the prior art, but the air cooler has poor cooling effect at a place with higher temperature, and the water cooler needs to be arranged at a place with a water source.

Therefore, the transformer capable of dissipating heat quickly is provided by combining two cooling modes.

Disclosure of Invention

The invention aims to provide a transformer heat dissipation device combining air cooling and oil cooling, which solves the problems that a large amount of heat is generated in the working process of the existing transformer, internal elements are easily burnt and potential safety hazards exist by installing a transformer in a transformer radiator and simultaneously performing water cooling and oil cooling through a curved surface heat dissipation sheet of the transformer radiator.

In order to solve the technical problems, the invention is realized by the following technical scheme:

the invention relates to a transformer heat dissipation device combining air cooling and oil cooling, which comprises a transformer radiator, a transformer storage base, an oil cooling device and an air cooling device, wherein the transformer radiator is arranged on the transformer storage base;

the transformer radiator consists of a plurality of groups of curved surface radiating fins arranged at equal intervals; the cross section of the curved surface radiating fin is wavy; a plurality of through holes are symmetrically formed in the two sides of the upper surface of the curved-surface radiating fin; the middle part of the upper surface of the curved surface radiating fin is provided with a rectangular through groove; the multiple groups of rectangular through grooves form transformer storage cavities in the transformer radiator;

the transformer storage base is embedded at the bottom of the transformer storage cavity; the transformer storage base is a box body; the transformer is placed in the box body;

the oil cooling device comprises an oil circulating pipeline and an oil conservator; the oil liquid circulating pipeline sequentially penetrates through the transformer radiator through the through holes on the two sides of the curved radiating fins; the oil conservator is communicated with two ends of the oil circulating pipeline to form a communicated loop;

the air cooling device comprises two mutually vertical rectangular fan frames and a right-angle bracket for connecting and fixing the two fan frames; the air cooling device is fixed on the side edge of the transformer radiator; the middle part of the fan frame is provided with a motor; an output shaft of the motor is in transmission connection with the rotating shaft through a speed reducer; fan blades are welded on the transmission shaft.

Furthermore, the through holes are symmetrically arranged at two sides of the rectangular through groove; the oil liquid circulating pipeline is in clearance fit with the through hole.

Furthermore, the oil liquid circulating pipeline is of a U-shaped structure; and an oil pump is further arranged on a communication loop formed by the oil liquid circulation pipeline and the oil conservator.

Furthermore, two side walls inside the transformer storage base are symmetrically provided with clamping grooves; radiating holes are formed in the periphery of the lower portion of the transformer storage base.

Furthermore, a fixture block is arranged at the bottom of the transformer; the clamping block is matched with the clamping groove; the height of the transformer is smaller than that of the transformer radiator.

Further, the transformer radiator is composed of 4-8 groups of curved surface radiating fins.

The invention has the following beneficial effects:

(1) according to the invention, the transformer is arranged in the transformer radiator consisting of a plurality of groups of curved-surface radiating fins, and the oil conservator is communicated with two ends of the oil circulating pipeline to form a communicating loop so as to take away heat transferred to the curved-surface radiating fins by the transformer, so that the radiating effect of the transformer is improved;

(2) according to the invention, the air cooling device is arranged on the side edge of the transformer radiator, the heat generated by the transformer is absorbed to the maximum extent by utilizing the area of the curved surface radiating fin, and meanwhile, because the area of the curved surface radiating fin contacted with air is the maximum, the fan blows from the two sides of the curved surface radiating fin at the same time, so that cold air blows on the surface of the radiating fin to the maximum extent, the radiating effect of the transformer is improved, and the service life of the transformer is prolonged.

Of course, it is not necessary for any product in which the invention is practiced to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings 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 the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a heat sink device of the present invention;

FIG. 2 is a front view of FIG. 1;

FIG. 3 is a schematic structural view of a curved heat sink;

FIG. 4 is a schematic structural diagram of a transformer bin;

FIG. 5 is a schematic structural diagram of an air cooling device;

in the drawings, the components represented by the respective reference numerals are listed below:

1-transformer radiator, 2-transformer storage base, 3-oil cooling device, 4-air cooling device, 5-, 101-curved radiating fin, 102-through hole, 103-rectangular through groove, 301-oil circulation pipeline, 302-oil conservator, 401-rectangular fan frame, 402-right-angle bracket, 403-rotating shaft, 404-fan blade, 501-.

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. 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.

Referring to fig. 1-5, the invention relates to a transformer heat sink with air cooling and oil cooling combined, comprising a transformer heat sink 1, a transformer storage base 2, an oil cooling device 3 and an air cooling device 4;

the transformer radiator 1 consists of a plurality of groups of curved radiating fins 101 which are arranged at equal intervals; the cross section of the curved radiating fin 101 is wavy, and the wavy cross section can furthest increase the time for wind to blow through the curved radiating fin 101, so that more heat is taken away; three groups of through holes 102 are symmetrically formed in two sides of the upper surface of the curved radiating fin 101; the middle part of the upper surface of the curved surface radiating fin 101 is provided with a rectangular through groove 103; the multiple groups of rectangular through grooves 103 form a transformer storage cavity in the transformer radiator 1, the transformer storage cavity is used for placing a transformer, and the transformer is wrapped in the curved-surface radiating fins 101, so that heat generated by the transformer can be quickly transferred to the curved-surface radiating fins 101, and the curved-surface radiating fins 101 are copper sheets, so that the heat conduction efficiency is improved;

the transformer storage base 2 is embedded at the bottom of the transformer storage cavity; the transformer storage base 2 is a box body; the transformer is placed in the box body;

the oil cooling device 3 comprises an oil liquid circulating pipeline 301 and an oil conservator 302; the oil liquid circulation pipeline 301 sequentially penetrates through the transformer radiator 1 through the through holes 102 on the two sides of the curved radiating fin 101; the oil conservator 302 is communicated with two ends of the oil circulating pipeline 301 to form a communicating loop; the oil cooling device 3 adopts a forced oil circulation cooling mode, the working principle is that oil in the transformer is pumped into a cooler by an oil pump and then returns to an oil tank, and due to the special condition of the transformer radiator 1, air is blown by a fan to serve as a cooling medium, so that heat is taken away.

The air cooling device 4 comprises two rectangular fan frames 401 which are perpendicular to each other and a right-angle bracket 402 which is used for connecting and fixing the two fan frames 401; the air cooling device is fixed on the side edge of the transformer radiator 1; the middle part of the fan frame 401 is provided with a motor; the output shaft of the motor is in transmission connection with the rotating shaft 403 through a speed reducer; fan blades 404 are welded to the drive shaft 403.

Furthermore, the through holes 102 are symmetrically arranged at two sides of the rectangular through groove 103; the oil liquid circulating pipeline 301 is in clearance fit with the through hole 102; the through holes 102 of each curved-surface radiating fin 101 correspond to each other, so that the oil circulating pipeline 301 can conveniently penetrate through all the through holes 102 from top to bottom, and the oil circulating pipeline 301 is tightly contacted with the through holes 102, so that heat absorbed by the curved-surface radiating fins 101 can be quickly taken away by oil in the oil circulating pipeline 301.

Further, the oil circulating pipeline 301 is of a U-shaped structure; an oil pump is further arranged on a communication loop formed by the oil liquid circulation pipeline 301 and the oil conservator 302.

Furthermore, two side walls inside the transformer storage base 2 are symmetrically provided with clamping grooves 201; the periphery of the lower part of the transformer storage base 2 is provided with heat dissipation holes 202.

Furthermore, a clamping block is arranged at the bottom of the transformer; the fixture block is matched with the clamping groove 201; the height of transformer is less than the height of transformer radiator 1, and after the transformer was installed on transformer storage base 2, fixed the fixture block in draw-in groove 201 through the bolt.

Further, the transformer radiator 1 is composed of 4-8 groups of curved radiating fins 101.

In the description herein, references to the description of "one embodiment," "an example," "a specific example" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the invention disclosed above are intended to be illustrative only. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and the practical application, to thereby enable others skilled in the art to best utilize the invention. The invention is limited only by the claims and their full scope and equivalents.