CN110739124A

CN110739124A - transformer with high-efficiency cooling function

Info

Publication number: CN110739124A
Application number: CN201911037000.8A
Authority: CN
Inventors: 廖春辉
Original assignee: XUZHOU GLORIA TECHNOLOGY Co Ltd
Current assignee: XUZHOU GLORIA TECHNOLOGY Co Ltd
Priority date: 2019-10-29
Filing date: 2019-10-29
Publication date: 2020-01-31

Abstract

The invention discloses transformers with efficient cooling in the technical field of power supply and distribution systems, which comprise transformers, heat dissipation assemblies, cooling assemblies and a plurality of heat pipes, wherein the heat dissipation assemblies are arranged at the tops of the transformers, the cooling assemblies are arranged at the tops of the heat dissipation assemblies and comprise second mounting plates, four threaded rods, the four threaded rods are arranged at the four corners of the tops of the second mounting plates, the bottoms of the four threaded rods penetrate through the bottoms of the second mounting plates, the plurality of heat pipes are uniformly and equidistantly arranged on the periphery of the tops of the second mounting plates, the plurality of heat pipes are arranged on the inner sides of the four threaded rods, and the bottoms of the plurality of heat pipes penetrate through the bottoms of the second mounting plates.

Description

transformer with high-efficiency cooling function

Technical Field

The invention relates to the technical field of power supply and distribution systems, in particular to transformers with efficient cooling.

Background

The electric energy is main energy and power in of national economy and social life, which is secondary energy with wide application, can be easily converted from other forms of energy, can be conveniently converted into other forms of energy, and can be economically transmitted in long distance, the control, distribution and measurement of the electric energy are convenient, the electric energy required by the building is provided by an electric power system, and the electric power is transmitted to users through intermediate links such as a transmission line and a substation due to the fact that a power plant is far away from the users, meanwhile, in order to improve the reliability of power supply and achieve economic operation, a plurality of power plants and power grids are connected to to run in parallel, the electric power system is power generation, transmission, transformation, power distribution and utilization bodies which are formed by connecting the transmission line with various voltage levels with the power plant, the substation and power users, and a transformer is the part of power accessories in the power supply and distribution system.

A Transformer (Transformer) is a device that changes an alternating-current voltage by 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, and the like. According to the application, the method can be divided into: power transformers and special transformers.

The cooling of current transformer can be divided into natural cooling and medium cooling, natural cooling is welding the fin on the casing of transformer, distribute away the inside temperature of transformer through the fin, the temperature on the fin is taken away through the circulation of air, reach the purpose of cooling to the transformer, the medium cooling is to cool down the transformer through water or oil, through installing the pipeline on the transformer casing, with water or oil through pumping to the pipeline in, take away high temperature on the transformer through water or oil that flows, reach the cooling effect, however, the cooling efficiency of carrying out natural cooling through the fin is not enough, especially under the hotter environment of weather, the cooling effect is lower, and again too high and be not convenient for the maintenance through medium cooling cost and use cost.

Disclosure of Invention

The invention aims to provide transformers with high-efficiency cooling, and aims to solve the problems that the conventional transformer cooling proposed in the background technology can be divided into natural cooling and medium cooling, the natural cooling is realized by welding cooling fins on a shell of the transformer, the temperature in the transformer is dissipated through the cooling fins, and the temperature on the cooling fins is taken away through the circulation of air, so that the transformer is cooled, the medium cooling is realized by cooling the transformer through water or oil, a pipeline is arranged on the shell of the transformer, the water or oil is pumped into the pipeline through the pump, and the high temperature on the transformer is taken away through flowing water or oil, so that the cooling effect is achieved, but the cooling efficiency of the natural cooling through the cooling fins is insufficient, the cooling effect is lower particularly in a hot weather environment, and the manufacturing cost and the use cost of the medium cooling are too high and the medium cooling is inconvenient to maintain.

In order to achieve the purpose, the invention provides the following technical scheme that kinds of transformers with high-efficiency cooling comprise:

a transformer;

the heat dissipation assembly is mounted at the top of the transformer;

the cooling assembly is installed at the top of the heat dissipation assembly.

Preferably, the transformer includes:

a transformer housing;

, the second mounting plate is welded on the top of the transformer shell;

two feet are welded at the left side and the right side of the bottom of the transformer shell at the left right side;

a plurality of th cooling fins, a plurality of th cooling fins are welded around the transformer shell evenly.

Preferably, the heat dissipation assembly includes:

a second mounting plate;

the four threaded rods are arranged at four corners of the top of the second mounting plate, and the bottoms of the four threaded rods penetrate through the bottom of the second mounting plate;

the heat pipes are uniformly and equidistantly arranged on the periphery of the top of the second mounting plate, the heat pipes are arranged on the inner sides of the four threaded rods, and the bottoms of the heat pipes penetrate through the bottom of the second mounting plate;

the second cooling fins are uniformly welded on the top of the outer wall of the heat pipe at equal intervals;

and the heat conducting plate is welded at the bottom of the heat pipe.

Preferably, the cooling assembly comprises:

a third mounting plate;

the thermoelectric refrigeration piece is embedded in the bottom of the third mounting plate, and the bottom of the thermoelectric refrigeration piece is flush with the bottom of the third mounting plate.

Preferably, the th mounting plate is a frame-shaped mounting plate.

Compared with the prior art, the invention has the beneficial effects that: the invention has low cost and convenient maintenance, can quickly cool the interior of the transformer and prolong the service life of the transformer, the heat conducting plate is suspended in the transformer shell, high temperature generated in the working process of the transformer is gathered on the heat conducting plate, the high temperature is transmitted to the heat pipe through the heat conducting plate, the bottom of the heat pipe is heated, liquid in the heat pipe is heated, vaporized and ascended, the heat of a gas carrier ascends to the top of the heat pipe, the high temperature is dissipated into the air through the second radiating fin on the top of the outer wall of the heat pipe, the heat of the high temperature gas is dissipated and condensed into liquid and then falls to the bottom of the heat pipe, the heat conduction principle and the quick heat transfer property of a phase change medium are fully utilized, the heat of a heating object is quickly transmitted to the outside of a heat source through the heat pipe, in order to quickly cool the top of the heat pipe, the thermoelectric refrigerating surface of the heat, promote the radiating rate of heat pipe, can be faster go out the inside temperature water conservancy diversion of transformer, can high efficiency cool down the transformer, effectually prevented high temperature to the destruction of the inside electrical component of transformer, improved the life of transformer.

Drawings

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

FIG. 2 is a schematic diagram of a transformer according to the present invention;

FIG. 3 is a top view of an th mounting plate of the present invention;

FIG. 4 is a schematic view of a heat sink assembly according to the present invention;

FIG. 5 is a schematic view of a cooling assembly according to the present invention.

In the figure, 100 transformers, 110 transformer shells, 120 th th mounting plates, 130 feet, 140 th heat radiating fins, 200 heat radiating components, 210 second mounting plates, 220 threaded rods, 230 heat pipes, 240 second heat radiating fins, 250 heat conducting plates, 300 temperature reducing components, 310 third mounting plates and 320 thermoelectric cooling fins are arranged.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only partial embodiments of of the present invention, rather than all embodiments.

The transformers with efficient cooling provided by the invention have the advantages that the manufacturing cost is low, the maintenance is convenient, the interior of the transformer can be rapidly cooled, the service life of the transformer is prolonged, please refer to fig. 1, and the transformers comprise transformers 100, heat dissipation assemblies 200 and cooling assemblies 300;

referring to fig. 1, 2 and 3, the transformer 100 includes:

a transformer housing 110;

the second mounting plate 120 is welded on the top of the transformer shell 110, the th mounting plate 120 is a frame-shaped mounting plate, and the second mounting plate 120 is communicated with the inner cavity of the transformer shell 110;

two feet 130 are welded at the left side and the right side of the bottom of the transformer shell 110 at the left right side;

a plurality of th cooling fins 140 are uniformly welded around the transformer housing 110;

referring to fig. 1 and 4, a heat sink 200 is mounted on the top of the transformer 100, and the heat sink 200 includes:

the second mounting plate 210 is mounted on top of the th mounting plate 120 by bolts;

four threaded rods 220 are arranged at four corners of the top of the second mounting plate 210, the bottoms of the four threaded rods 220 penetrate through the bottom of the second mounting plate 210, the bottoms of the four threaded rods 220 simultaneously penetrate through the bottom of the -th mounting plate 120, and the threaded rods 220 are fixed on the -th mounting plate 120 and the second mounting plate 210 through nuts;

the heat pipes 230 are uniformly and equidistantly arranged on the periphery of the top of the second mounting plate 210, the heat pipes 230 are arranged on the inner sides of the four threaded rods 220, the bottoms of the heat pipes 230 penetrate through the bottom of the second mounting plate 210, the heat pipes fully utilize the heat conduction principle and the rapid heat transfer property of a phase-change medium, heat of a heating object is rapidly transferred to the outside of a heat source through the heat pipes, the heat conduction capability of the heat pipes exceeds the heat conduction capability of any known metal, liquid with boiling points intersecting the bottom is filled in the heat pipes, the heated liquid is boiled into gas and rises to the tops of the heat pipes, the gas dissipates the heat at the tops of the heat pipes and then condenses into liquid which flows back to the bottoms of the heat pipes, the heat of the heat source can;

a plurality of second heat dissipation fins 240 are uniformly welded on the top of the outer wall of the heat pipe 230 at equal intervals, and heat is dissipated through the second heat dissipation fins 240;

the heat conducting plate 250 is welded at the bottom of the heat pipe 230, the heat conducting plate 250 is inserted into the top of the inner cavity of the transformer shell 110 through the th mounting plate 120, the heat conducting plate 250 is used for gathering high temperature inside the transformer, the high temperature generated inside the transformer during the working process is gathered on the heat conducting plate 250, the heat is guided to the heat pipe 230 through the heat conducting plate 250, the temperature inside the transformer is guided out through the heat pipe 230, and the heat conducting plate 250 is red copper;

referring to fig. 1 and 5, a cooling assembly 300 is mounted on the top of the heat sink assembly 200, and the cooling assembly 300 includes:

the third mounting plate 310 is sleeved on the outer wall of the threaded rod 220 and fixed on the outer wall of the threaded rod 220 through a nut, and the third mounting plate 310 is arranged at the upper end of the heat pipe 230;

thermoelectric refrigeration piece 320 inlays the bottom at third mounting panel 310, the bottom of thermoelectric refrigeration piece 320 and the bottom parallel and level of third mounting panel 310, the top contact of thermoelectric refrigeration piece 320 refrigeration face and heat pipe 230, cool down the top of heat pipe 230 through thermoelectric refrigeration piece 320, promote heat pipe 230's radiating rate, can be faster go out the inside temperature water conservancy diversion of transformer, can high efficiency cool down the transformer, the effectual destruction of high temperature to the inside electrical component of transformer that has prevented, the life of transformer has been improved.

While the invention has been described above with reference to an embodiment, various modifications may be made and equivalents may be substituted for elements thereof without departing from the scope of the invention. In particular, the various features of the embodiments disclosed herein may be used in any combination, provided that there is no structural conflict, and the combinations are not exhaustively described in this specification merely for the sake of brevity and conservation of resources. Therefore, it is intended that the invention not be limited to the particular embodiments disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.

Claims

1, transformer with high-efficient cooling, characterized by that includes:

a transformer (100);

a heat sink assembly (200), the heat sink assembly (200) being mounted on top of the transformer (100);

the cooling assembly (300), the cooling assembly (300) is installed on the top of the heat dissipation assembly (200).

2. Transformer with efficient temperature reduction according to claim 1, wherein the transformer (100) comprises:

a transformer housing (110);

, the second mounting plate (120) is welded on the top of the transformer housing (110);

two feet (130), wherein the two feet (130) are welded at the left side and the right side of the bottom of the transformer shell (110) at the left right side;

a plurality of th cooling fins (140), a plurality of th cooling fins (140) are evenly welded on the periphery of the transformer shell (110).

3. transformer with high efficiency cooling according to claim 1, wherein the heat sink assembly (200) comprises:

a second mounting plate (210);

the four threaded rods (220) are arranged at four corners of the top of the second mounting plate (210), and the bottoms of the four threaded rods (220) penetrate through the bottom of the second mounting plate (210);

a plurality of heat pipes (230), wherein the plurality of heat pipes (230) are uniformly and equidistantly arranged around the top of the second mounting plate (210), the plurality of heat pipes (230) are arranged on the inner sides of the four threaded rods (220), and the bottoms of the plurality of heat pipes (230) penetrate through the bottom of the second mounting plate (210);

a plurality of second cooling fins (240), wherein the second cooling fins (240) are uniformly and equidistantly welded on the top of the outer wall of the heat pipe (230);

a heat conducting plate (250), wherein the heat conducting plate (250) is welded at the bottom of the heat pipe (230).

4. Transformer with efficient cooling according to claim 1, wherein the cooling assembly (300) comprises:

a third mounting plate (310);

thermoelectric refrigeration piece (320), thermoelectric refrigeration piece (320) inlay the bottom of third mounting panel (310), the bottom of thermoelectric refrigeration piece (320) with the bottom parallel and level of third mounting panel (310).

5. Transformer with high efficiency of temperature reduction according to claim 2, wherein the th mounting plate (120) is a frame-shaped mounting plate.