CN114582595A

CN114582595A - Transformer with heat radiation structure

Info

Publication number: CN114582595A
Application number: CN202210313500.5A
Authority: CN
Inventors: 林佳琦
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-28
Filing date: 2022-03-28
Publication date: 2022-06-03

Abstract

The invention provides a transformer with a heat dissipation structure, which comprises a transformer body, a first heat dissipation part and a second heat dissipation part, wherein the first heat dissipation part and the second heat dissipation part are arranged around the transformer body; the cooling device comprises a water tank, a first cooling plate and a second cooling plate, wherein plate-shaped water spraying parts are respectively arranged on the first cooling plate and the second cooling plate, and a plurality of water spraying nozzles are arranged on two sides of each water spraying part in an array manner; the transformer is installed at the basin opening part to the hydrojet portion of first cooling plate alternates with the fin of first radiating part and sets up, the hydrojet portion of second cooling plate alternates with the fin of second radiating part and sets up. According to the transformer cooling device, the transformer is installed in the cooling device, the cooling device comprises the water tank, the first cooling plate and the second cooling plate, the water spraying parts of the first cooling plate and the second cooling plate are arranged with the cooling fins of the first cooling part and the second cooling part in an inserting mode, and the effect of cooling the transformer is achieved by spraying water to the cooling fins through the water spraying parts.

Description

Transformer with heat radiation structure

Technical Field

The invention relates to the technical field of transformers, in particular to a transformer with a heat dissipation structure.

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). Has the functions of voltage conversion, current conversion, impedance conversion, isolation, voltage stabilization (magnetic saturation transformer) and the like. And the transformer long-time operation can make equipment temperature rise very fast inadequately, and especially in hot summer, the temperature rise effect is very obvious, if the temperature is too high, then will probably accelerate insulating ageing for the transformer is impaired even scrap. At present, the cooling mode of the transformer is an internal oil natural convection cooling mode, namely, an oil-immersed self-cooling mode.

For a factory-installed large-capacity transformer, the heat dissipation efficiency of the transformer is reduced due to long-time high-load operation and the external environment, the working efficiency of the transformer is influenced, the service life of the transformer is shortened, equipment faults are easily caused under high-temperature working conditions, even the transformer and a power supply line are damaged, economic losses are caused to enterprises and society, and therefore it is necessary to accurately monitor the temperature of the transformer in real time so as to timely cool the transformer.

The existing auxiliary heat dissipation modes are more, for example, a transformer is discharged in a low altitude mode in a distribution room, and the heat dissipation effect is enhanced; a low-loss transformer is adopted to reduce the temperature rise of the winding; in addition, the cooling is carried out by air cooling and further by a water cooling spraying mode. However, the above scheme has advantages and disadvantages, and has poor adaptability to all working conditions. For example, although the cooling effect is obvious in the existing water cooling mode, the manual water spraying mode is adopted to cool the transformer shell, the spraying range and the spraying strength cannot be accurately controlled, so that spraying water overflows, the risk of electric shock of personnel can occur, the spraying efficiency is low, a large amount of water resources are wasted, and the working strength of the personnel is increased. Therefore, in view of the above drawbacks, a transformer having a heat dissipation structure is devised.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the transformer is cooled by manually spraying water, so that the risk of electric shock of a person is caused, and the manual water spraying cooling is low in efficiency, time-consuming and labor-consuming.

The technical scheme adopted by the invention for solving the technical problems is as follows:

the transformer with the heat dissipation structure comprises a transformer body, a first heat dissipation part and a second heat dissipation part, wherein the first heat dissipation part and the second heat dissipation part are arranged around the transformer body;

the cooling device comprises a water tank, a first cooling plate and a second cooling plate, wherein the first cooling plate and the second cooling plate are respectively arranged on the side wall of the water tank; a plate-shaped water spraying part is respectively arranged on the first cooling plate and the second cooling plate, and a plurality of water spraying nozzles are arrayed on two sides of the water spraying part;

the transformer is installed at the opening of the water tank, the water spray part of the first cooling plate and the radiating fins of the first radiating part are arranged in an inserting manner, and the water spray part of the second cooling plate and the radiating fins of the second radiating part are arranged in an inserting manner.

Preferably, an installation groove is provided on an inner side wall of the water tank, and the first cooling plate and the second cooling plate can be inserted into the installation groove and can move up and down in the installation;

and a plurality of electric push rods are arranged at the bottom in the water tank and correspond to the first cooling plate and the second cooling plate, and the electric push rods can control the first cooling plate and the second cooling plate to move.

Preferably, the water spray part has a plate-like structure having a cavity therein, and a water pipe for supplying water to the water spray port is provided in the water spray part, and a water inlet communicated with the water pipe is provided at one end thereof so as to be inserted into the first cooling plate and the second cooling plate, respectively.

Preferably, a pipe is connected between the first cooling plate and the second cooling plate, the pipe is capable of supplying water to the water spray portion, and a water suction pipe for sucking water is provided in the pipe.

Preferably, a water storage tank is arranged at the bottom in the water tank, one side of the water storage tank is connected with the water pumping pipe, and the other side of the water storage tank is provided with a water inlet.

Preferably, the number of the water storage tanks is two, and the two water storage tanks are respectively arranged on two sides of the water tank.

Preferably, a waterproof portion is provided at an upper end portion of the water ejection portion, and the waterproof portion is laterally abutted against the heat sink.

Preferably, temperature sensors are attached to the first cooling plate and the second cooling plate, and the temperature sensors can detect the temperatures of the first heat dissipating unit and the second heat dissipating unit, and can drive the electric push rod to push and move the first cooling plate and the second cooling plate when the temperature is too high.

Preferably, a steel frame for fixing the transformer is arranged at the bottom of the transformer main body, a waterproof platform is arranged at the bottom in the water tank, the waterproof platform is suspended at the bottom in the water tank through a bearing column, and the steel frame is installed on the waterproof platform.

Preferably, both sides of the heat sink are provided with grooves.

The transformer cooling device has the advantages that the transformer is arranged in the cooling device, the cooling device comprises a water tank, a first cooling plate and a second cooling plate, the water spraying parts of the first cooling plate and the second cooling plate are arranged with the radiating fins of the first radiating part and the second radiating part in an inserting mode, and the effect of cooling the transformer is achieved by spraying water to the radiating fins through the water spraying parts; insert first cooling plate and second cooling plate and establish on the basin lateral wall, through electric push rod and temperature sensor cooperation, when the transformer high temperature, the electric push rod promotes first cooling plate and second cooling plate and removes the position that flushes with the fin, and then, realizes that rivers accurately spray on the transformer fin, prevent excessive and the unfavorable that leads to the fact of spouting, and then avoided artifical water spray to cause the risk of electrocuteeing, save the cooling cost, improve cooling efficiency.

Drawings

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

FIG. 1 is a schematic diagram of an overall combined three-dimensional structure provided by an embodiment of the present invention;

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

FIG. 3 is a schematic diagram of an overall assembled and expanded perspective structure provided by an embodiment of the present invention;

fig. 4 is a schematic perspective view of a transformer according to an embodiment of the present invention;

fig. 5 is a schematic perspective view of a cooling device according to an embodiment of the present invention;

FIG. 6 is a schematic top view of the structure of FIG. 5;

fig. 7 is a schematic perspective view of a working state of a cooling device according to an embodiment of the present invention;

FIG. 8 is a schematic perspective view of a sink according to an embodiment of the present invention;

FIG. 9 is a cross-sectional front view of FIG. 8;

in the figure: 1-transformer, 1.1-transformer body, 1.2-first heat dissipation part, 1.3-second heat dissipation part, 1.4-steel frame, 1.5-heat dissipation sheet, 2-cooling device, 2.1-water tank, 2.11-waterproof platform, 2.12-water storage tank, 2.13-mounting groove, 2.2-first cooling plate, 2.3-second cooling plate, 2.4-water spray part, 2.5-water spray opening, 2.6-waterproof part, 2.7-pipeline, 2.8-water pumping pipe.

Detailed Description

The above-described scheme is further illustrated below with reference to specific examples. It is to be understood that these examples are for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention. The conditions used in the examples may be further adjusted according to the conditions of the particular manufacturer, and the conditions not specified are generally the conditions in routine experiments.

In a specific embodiment, a transformer with heat radiation structure is provided, including transformer 1, transformer 1 includes transformer main body 1.1 and sets up first heat dissipation portion 1.2 and the second heat dissipation portion 1.3 around transformer main body 1.1, first heat dissipation portion 1.2 and second heat dissipation portion 1.3 are all arranged and are provided with a plurality of fin 1.5, wherein, two liang of settings that meet are around transformer main body 1.1 in first heat dissipation portion 1.2 and second heat dissipation portion 1.3 for carry out the heat exchange cooling to the transformer oil of transformer main body 1.1 inside, unanimous with prior art, do not describe herein again.

The cooling device 2 comprises a water tank 2.1, a first cooling plate 2.2 and a second cooling plate 2.3, the water tank 2.1 is of a groove-shaped structure capable of storing water, the first cooling plate 2.2 and the second cooling plate 2.3 are arranged on the side wall of the water tank 2.1, and the first cooling plate 2.2 and the second cooling plate 2.3 are arranged corresponding to the first heat dissipation part 1.2 and the second heat dissipation part 1.3; install platelike water spray portion 2.4 on first cooling plate 2.2 and second cooling plate 2.3, both sides array at water spray portion 2.4 is provided with a plurality of water jet 2.5, transformer 1 installs at basin 2.1 opening part, and water spray portion 2.4 and the fin 1.5 interlude of first radiating part 1.2 of first cooling plate 2.2 set up, water spray portion 2.4 and the fin 1.5 interlude of second radiating part 1.3 set up owing to water spray portion 2.4 and fin 1.5 interlude set up, water jet 2.5 can be even with water shower to the both sides acceleration fin 1.5 cooling of fin 1.5 and then cool down transformer oil, guarantee transformer 1's normal work.

Two available water jet 2.5 setting options are: according to the first scheme, the water spray nozzles 2.5 are of a circular hole-shaped structure, are arranged on the surfaces of the two sides of the water spray part 2.4 in an array mode, water can be sprayed out in a water mist mode by pressurizing the water spray nozzles 2.5, when the water mist contacts the radiating fins 1.5 with higher temperature, the water vapor can be quickly evaporated, and the cooling of the radiating fins 1.5 is accelerated; scheme two sets up long banding structure with water jet 2.5 to the opening sets up to the one side down, and vertical array can avoid water to upwards splash the risk that causes the electric leakage on the components and parts of transformer in the 2.4 both sides surfaces of water spray portion, can obliquely spout water down, sets up long banding structure moreover and can spray water to fin 1.5 on a large scale, improves the cooling effect. The water sprayed out from the water spray opening 2.5 can be collected in the water tank 2.1 so as to be reused, and the waste of water resources is avoided.

In the present case, be provided with mounting groove 2.13 on basin 2.1 inside wall, first cooling plate 2.2 and second cooling plate 2.3 can insert and establish in mounting groove 2.13, and can reciprocate in mounting groove 2.13, when needs are to the transformer 1 cooling, raise first cooling plate 2.2 and second cooling plate 2.3 and lower the temperature to fin 1.5, need not lower the temperature to transformer 1, when withdrawing first cooling plate 2.2 and second cooling plate 2.3, can expose first radiating part 1.2 and second radiating part 1.3, make fin 1.5 carry out the heat exchange cooling with the air. Preferably, a plurality of electric push rods are installed at positions corresponding to the first cooling plate 2.2 and the second cooling plate 2.3 at the bottom in the water tank 2.1, so that the first cooling plate 2.2 and the second cooling plate 2.3 can be controlled to move, and the electric push rods are used for pushing the first cooling plate 2.2 and the second cooling plate 2.3 to a specified position to cool the heat sink 1.5.

The water spraying part 2.4 is an independent plate-shaped structure with a cavity inside, a water pipe used for supplying water to the water spraying opening 2.5 is arranged in the water spraying part, a water inlet communicated with the water pipe is arranged at one end of the water spraying part and can be inserted into the first cooling plate 2.2 and the second cooling plate 2.3, due to the fact that the transformer 1 is different in size, the interval between the radiating fins 1.5 of the first radiating part 1.2 and the second radiating part 1.3 is different, and the water spraying part 2.4 is inserted into the transformer 1 which can be adaptive to different sizes according to the corresponding interval. Still be connected with pipeline 2.7 between first cooling plate 2.2 and second cooling plate 2.3, pipeline 2.7 can be to water spray portion 2.4 water supply, and pipeline 2.7 all is provided with a plurality of shunt valves in the position that every first cooling plate 2.2 and second cooling plate 2.3 correspond and can be connected with water spray portion 2.4, when to not unidimensional transformer 1, can choose for use the shunt valve of relative quantity to connect different water spray portion 2.4 for its water supply through water pipe, all the other shunt valves then close it. Still set up the drinking-water pipe 2.8 that is used for drawing water on pipeline 2.7, drinking-water pipe 2.8 can directly extract the water that is used for the cooling from basin 2.1, drinking-water pipe 2.8 is carried the hydrojet portion 2.4 in pumping pipeline 2.7 with water, water jet 2.5 sprays the water on fin 1.5 and flows down in basin 2.1 again, drinking-water pipe 2.8 draws water again, reuse reduces the water waste, if the higher cooling effect of the temperature in the basin of temperature that causes in the long-time cooling of using the water in the basin, also can connect outside water source with drinking-water pipe 2.8 and cool down, when the water storage capacity of basin 2.1 reached the limit, then pass through the pipeline with the water in basin 2.1 and discharge, prevent to be convenient for the clearance from overflowing all around. A water storage tank 2.12 is arranged at the bottom in the water tank 2.1, one side of the water storage tank 2.12 is connected with a water pumping pipe 2.8, and the other side is provided with a water inlet. After the transformer 1 is cooled, water naturally flows to the water tank 2.1, and the motor arranged inside the water storage tank 2.12 can extract water in the water tank 2.12 to the water storage tank 2.12 through the water inlet, so that the water is prevented from being exposed in the water tank 2.1 for a long time to evaporate or adsorb dust in the sunlight or air. When the transformer 1 needs to be cooled again, the water pumping pipe 2.8 can directly pump the water required for cooling from the water storage tank 2.12. And two water storage tanks 2.12 are arranged and are respectively arranged at two sides of the water tank 2.1. The water storage capacity of only one water storage tank 2.12 cannot meet the water consumption required for cooling the transformer 1, and the water pumping effect of the water inlets of the other water storage tanks 2.12 can be influenced by arranging more than two water storage tanks 2.12. Therefore, two water storage tanks 2.12 are arranged on two opposite sides, so that the mutual influence between water inlets of the water storage tanks 2.12 can be avoided, and the requirement for cooling the transformer 1 can be met.

In the scheme, the waterproof part 2.6 is arranged at the upper end part of the water spraying part 2.4 and is transversely abutted against the radiating fin 1.5, so that the risk of electric leakage caused by the fact that water sprayed out from the water spraying opening 2.5 is splashed onto an electronic element at the upper end of the transformer 1 and places except the cooling device 2 can be avoided. The existing two waterproof parts 2.6 can be selected: in the first scheme, the waterproof part 2.6 is dense bristles arranged in an array, so that water sprayed from the water spraying opening 2.5 can be prevented from being splashed out, and the cooling fins 1.5 can be cleaned when the first cooling plate 2.2 and the second cooling plate 2.3 move; scheme two, waterproof portion 2.6 is the sheet structure that the rubber material made, can prevent that the water that water jet 2.5 sprays out from splashing away equally. In this case, the waterproof portion 2.6 is preferably provided.

The temperature sensors are mounted on the first cooling plate 2.2 and the second cooling plate 2.3, the temperature of the first heat dissipation part 1.2 and the temperature of the second heat dissipation part 1.3 can be detected, when the temperature is too high, the electric push rod can be driven to push the first cooling plate 2.2 and the second cooling plate 2.3 to move, and when the temperature is moved to the highest position, the motor in the water storage tank 2.12 starts to pump water to supply water to the water spraying part 2.4. In order to avoid corrosion of metal parts of the transformer 1 in water for a long time, in the scheme, a steel frame 1.4 used for fixing the transformer 1 is arranged at the bottom of a transformer main body 1.1, a waterproof platform 2.11 is arranged at the bottom of a water tank 2.1, the waterproof platform 2.11 is suspended at the bottom of the water tank 2.1 through a bearing column, the steel frame 1.4 is installed on the waterproof platform 2.11, a certain distance exists between the installed transformer main body 1.1 and the bottom of the water tank 2.1, and the transformer main body 1.1 is prevented from contacting the water surface.

In this case, fin 1.5's both sides all are provided with groove structure, increase fin 1.5's surface area, increase and air and water area of contact, improve the radiating efficiency.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A transformer with a heat dissipation structure comprises a transformer (1), a transformer body (1.1), a first heat dissipation part (1.2) and a second heat dissipation part (1.3) which are arranged around the transformer body (1.1), wherein a plurality of heat dissipation fins (1.5) are arranged on the first heat dissipation part (1.2) and the second heat dissipation part (1.3);

the cooling device is characterized by further comprising a cooling device (2) which comprises a water tank (2.1), a first cooling plate (2.2) and a second cooling plate (2.3), wherein the first cooling plate (2.2) and the second cooling plate (2.3) are respectively arranged on the side wall of the water tank (2.1); a plate-shaped water spraying part (2.4) is respectively arranged on the first cooling plate (2.2) and the second cooling plate (2.3), and a plurality of water spraying nozzles (2.5) are arranged on two sides of the water spraying part (2.4) in an array manner;

the transformer (1) is installed at an opening of the water tank (2.1), the water spraying part (2.4) of the first cooling plate (2.2) and the radiating fins (1.5) of the first radiating part (1.2) are arranged in an inserting manner, and the water spraying part (2.4) of the second cooling plate (2.3) and the radiating fins (1.5) of the second radiating part (1.3) are arranged in an inserting manner.

2. A transformer having a heat dissipation structure as recited in claim 1, wherein a mounting groove (2.13) is provided on an inner side wall of the water tank (2.1), the first cooling plate (2.2) and the second cooling plate (2.3) can be inserted into the mounting groove (2.13) and can move up and down in the mounting groove (2.13);

a plurality of electric push rods are arranged at the bottom in the water tank (2.1) corresponding to the positions of the first cooling plate (2.2) and the second cooling plate (2.3), and can control the movement of the first cooling plate (2.2) and the second cooling plate (2.3).

3. The transformer with a heat dissipation structure as recited in claim 2, wherein the water spray part (2.4) is a separate plate-shaped structure having a hollow inside, a water pipe for supplying water to the water spray opening (2.5) is provided inside, and an inlet communicating with the water pipe is provided at one end thereof, and can be inserted on the first cooling plate (2.2) and the second cooling plate (2.3), respectively.

4. The transformer with the heat dissipation structure according to claim 1, wherein a pipeline (2.7) is connected between the first cooling plate (2.2) and the second cooling plate (2.3), the pipeline (2.7) can supply water to the water spraying portion (2.4), and a water pumping pipe (2.8) for pumping water is opened on the pipeline (2.7).

5. The transformer with a heat dissipation structure as recited in claim 4, wherein a water storage tank (2.12) is disposed at the bottom of the water tank (2.1), one side of the water storage tank (2.12) is connected to the water pumping pipe (2.8), and the other side is provided with a water inlet.

6. The transformer with a heat dissipation structure as recited in claim 5, wherein there are two water storage tanks (2.12) respectively disposed at both sides of the water tank (2.1).

7. A transformer with a heat dissipating structure according to claim 3, wherein a waterproof part (2.6) is provided at an upper end of the water spraying part (2.4) to laterally abut on the heat dissipating fins (1.5).

8. The transformer with a heat dissipation structure as recited in claim 2, wherein a temperature sensor is mounted on the first cooling plate (2.2) and the second cooling plate (2.3), the temperature sensor can detect the temperature of the first heat dissipation part (1.2) and the second heat dissipation part (1.3), and when the temperature is too high, the electric push rod can be driven to push the first cooling plate (2.2) and the second cooling plate (2.3) to move.

9. The transformer with the heat dissipation structure as recited in claim 1, wherein a steel frame (1.4) for fixing the transformer (1) is disposed at a bottom of the transformer body (1.1), a waterproof platform (2.11) is disposed at an inner bottom of the water tank (2.1), the waterproof platform (2.11) is suspended at the inner bottom of the water tank (2.1) through a bearing column, and the steel frame (1.4) is mounted on the waterproof platform (2.11).

10. A transformer with a heat-dissipating structure according to claim 1, wherein the heat-dissipating fins (1.5) are provided with grooves on both sides.