CN216749540U

CN216749540U - Power transformer heat dissipation mechanism

Info

Publication number: CN216749540U
Application number: CN202122555245.9U
Authority: CN
Inventors: 何世满
Original assignee: Liaoning Wanlitong Power Co ltd
Current assignee: Liaoning Wanlitong Power Co ltd
Priority date: 2021-10-23
Filing date: 2021-10-23
Publication date: 2022-06-14
Anticipated expiration: 2031-10-23

Abstract

The utility model discloses a heat dissipation mechanism of a power transformer, which relates to the technical field of transformers and comprises a transformer body, wherein two sides and two ends of the transformer body are respectively fixed with a side heat insulation plate and an end heat insulation plate, one side of one group of the side heat insulation plates is connected with an air inlet, the other group of the side heat insulation plates and the two groups of the end heat insulation plates are connected with a connecting pipe, and the tail end of the connecting pipe is connected with a main pipe. According to the utility model, cold air flow is guided into the space formed by the transformer body, the side heat insulation plate and the end heat insulation plate, so that the air flow flows from left to right, the cold air flow is contacted with the heat inside to form hot air flow, the memory metal is heated and deformed until the memory metal on the end heat insulation plates at different positions is contacted with the hot air flow at the right, the through holes and the holes are aligned, the hot air flow directly enters the connecting pipe at the position, the hot air flow is reduced to be continuously retained, then the hot air flow is collected at the air outlet to be remotely discharged, and the influence on the surrounding environment of the transformer body is reduced.

Description

Power transformer heat dissipation mechanism

Technical Field

The utility model relates to the technical field of transformers, in particular to a heat dissipation mechanism of a power transformer.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage (current) of a certain value into another voltage (current) of the same frequency or different values.

The existing transformer adopts a radiator to dissipate heat, so that the transformer is easy to contact with the external environment, heat is dissipated around, cold quantity and heat quantity are interacted, and the heat dissipation effect is poor.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims to provide a heat dissipation mechanism for a power transformer, so as to solve the technical problem that the existing transformer has poor heat dissipation effect due to heat circulation with the external environment.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a power transformer heat dissipation mechanism, includes the transformer body, the both sides and the both ends of transformer body are fixed with side heat insulating board and end heat insulating board respectively, and one of them is a set of one side of side heat insulating board is connected with the air intake, another group side heat insulating board and two sets of end heat insulating board is connected with the connecting pipe, and the end-to-end connection of connecting pipe has house steward, one side of house steward is connected with the air outlet, and is a set of side heat insulating board and two sets of the inside of end heat insulating board is fixed with the fixed block, and the end of fixed block is fixed with memory metal, memory metal's inboard is provided with the through-hole.

Preferably, holes corresponding to the connecting pipes and the through holes are formed in one group of the side heat insulation plates and the two groups of the end heat insulation plates, and the diameters of the through holes, the holes and the connecting pipes are gradually decreased.

Preferably, the fixing blocks on the two groups of end heat insulation plates and side heat insulation plates and the memory metal are kept aligned in the horizontal direction and the vertical direction.

Preferably, the height of the end insulation board is the same as that of the connection pipe on the side insulation board.

Preferably, a cavity is formed between the transformer body and the two groups of end heat insulation plates and side heat insulation plates.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, cold air flow is guided into the space formed by the transformer body, the side heat insulation plate and the end heat insulation plate, so that the air flow flows from left to right, the cold air flow is contacted with the heat inside to form hot air flow, the memory metal is heated and deformed until the memory metal on the end heat insulation plates at different positions is contacted with the hot air flow at the right, the through holes and the holes are aligned, the hot air flow directly enters the connecting pipe at the position, the hot air flow is reduced to be continuously retained, then the hot air flow is collected at the air outlet to be remotely discharged, and the influence on the surrounding environment of the transformer body is reduced.

Drawings

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

FIG. 2 is a top view of the present invention;

fig. 3 is a schematic structural diagram of the present invention.

In the figure: 1. a transformer body; 2. a side heat insulation plate; 3. an end insulation board; 4. an air inlet; 5. a header pipe; 6. an air outlet; 7. a connecting pipe; 8. a hole; 9. a fixed block; 10. a memory metal; 11. and a through hole.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1-3, a heat dissipation mechanism for a power transformer includes a transformer body 1, wherein two sides and two ends of the transformer body 1 are respectively fixed with a side heat insulation plate 2 and an end heat insulation plate 3, one side of one group of side heat insulation plates 2 is connected with an air inlet 4, the other group of side heat insulation plates 2 and two groups of end heat insulation plates 3 are connected with a connecting pipe 7, the end of the connecting pipe 7 is connected with a header pipe 5, one side of the header pipe 5 is connected with an air outlet 6, a fixing block 9 is fixed inside one group of side heat insulation plates 2 and two groups of end heat insulation plates 3, the end of the fixing block 9 is fixed with a memory metal 10, and the inner side of the memory metal 10 is provided with a through hole 11.

In this embodiment, after the hot air flow flowing to the right is sensed by the memory metal 10, the sensed memory metal 10 is deformed, so that the through hole 11 is extended to be aligned with the hole 8, thereby facilitating the discharge of the hot air flow in time, and after the hot air flow circulates, the temperature becomes low, so that the cold air flow continuously flows to the right, thereby facilitating the sufficient heat dissipation of the transformer body 1.

Specifically, please refer to fig. 1 and 3, wherein the inside of one set of side heat insulation plates 2 and two sets of end heat insulation plates 3 are provided with holes 8 corresponding to the connecting pipes 7 and the through holes 11, and the diameters of the through holes 11, the holes 8 and the connecting pipes 7 are decreased gradually.

By adopting the technical scheme, the memory metal 10 is heated and deformed, so that hot air flows at different positions are sensed in time, the hot air flows are led out in time, interaction between the hot air flows and cold air flows is reduced, and cooling and heat dissipation are influenced.

Specifically, please refer to fig. 2 and 3, the two sets of end heat shields 3 and the fixing blocks 9 and the memory metal 10 on the side heat shields 2 are kept aligned horizontally and vertically.

By adopting the technical scheme, after the hot air flow flowing rightwards is sensed by the memory metal 10, the sensed memory metal 10 is deformed, the through hole 11 is extended to be aligned with the hole 8, the hot air flow is conveniently and timely discharged, after the hot air flow circulates, the temperature becomes low, the cold air flow continuously flows rightwards, and the transformer body 1 is conveniently and fully cooled.

Specifically, please refer to fig. 1, the height of the connecting pipe 7 on the end heat-insulating plate 3 and the side heat-insulating plate 2 is the same.

By adopting the technical scheme, the heat taken away from the two ends can be directly discharged from the position of the connecting pipe 7, and the hot air flow is reduced to continuously flow in the transformer body 1.

Specifically, please refer to fig. 2, a cavity is formed between the transformer body 1 and the two sets of end heat insulation plates 3 and the side heat insulation plates 2.

Through adopting above-mentioned technical scheme, make the cold air current can enter into the outside of transformer body 1 and carry out taking away of heat.

The working principle is as follows: the cold air flow is led in from the air inlet 4, the cold air flow flows rightwards from the surface of the transformer body 1, the heat emitted flows along with the led-in cold air flow, after the cold air flow and the hot air flow are interacted to form hot air flow, the memory metal 10 on the end heat insulation plate 3 contacted with the hot air flow is deformed, the memory metal 10 is heated and extended, the through hole 11 is close to the hole 8 until the through hole 11 is aligned with the hole 8, the hot air flow is directly discharged from the connecting pipe 7 at the current position, when the continuous cold air flow is continuously supplied, the memory metal 10 at the position is restored to the original position, the hot air flow is reduced to be continuously retained, the cooling and heat dissipation of the transformer body 1 are realized until the continuously supplied cold air flow is supplied for a certain time, then the hot air flow collected by the air outlet 6 is remotely discharged, and the influence of the hot air flow on the surrounding environment of the transformer body 1 is reduced.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a power transformer heat dissipation mechanism, includes transformer body (1), its characterized in that: both sides and both ends of transformer body (1) are fixed with side heat insulating board (2) and end heat insulating board (3) respectively, and wherein a set of one side of side heat insulating board (2) is connected with air intake (4), another group side heat insulating board (2) and two sets of end heat insulating board (3) are connected with connecting pipe (7), and the end-to-end connection of connecting pipe (7) has house steward (5), one side of house steward (5) is connected with air outlet (6), and is a set of side heat insulating board (2) and two sets of the inside of end heat insulating board (3) is fixed with fixed block (9), and the end of fixed block (9) is fixed with memory metal (10), the inboard of memory metal (10) is provided with through-hole (11).

2. The heat dissipation mechanism of a power transformer as recited in claim 1, wherein: holes (8) corresponding to the connecting pipes (7) and the through holes (11) are formed in the side heat insulation plates (2) and the end heat insulation plates (3), and the diameters of the through holes (11), the holes (8) and the connecting pipes (7) are gradually reduced.

3. The heat dissipation mechanism of a power transformer as recited in claim 1, wherein: the fixing blocks (9) on the two groups of end heat insulation plates (3) and the side heat insulation plates (2) are aligned with the memory metal (10) in the horizontal direction and the vertical direction.

4. The heat dissipation mechanism of a power transformer as recited in claim 1, wherein: the height of the end heat insulation plate (3) is the same as that of the connecting pipe (7) on the side heat insulation plate (2).

5. The heat dissipation mechanism of a power transformer as recited in claim 1, wherein: and a cavity is formed between the transformer body (1) and the two end heat insulation plates (3) and the side heat insulation plates (2).