CN210722673U

CN210722673U - Heat abstractor for transformer

Info

Publication number: CN210722673U
Application number: CN201922234509.3U
Authority: CN
Inventors: 殷团委; 黄永利
Original assignee: Xianfeng Electric Complete Equipment Co Ltd
Current assignee: Pioneer Power Equipment Co., Ltd
Priority date: 2019-12-13
Filing date: 2019-12-13
Publication date: 2020-06-09
Anticipated expiration: 2029-12-13

Abstract

The utility model provides a heat abstractor for transformer relates to transformer heat dissipation technical field, including the base, the upper end outer wall fixedly connected with transformer main part of base, transformer main part install through the base, transformer main part's both ends fixedly connected with mounting bracket, the fixed surface of mounting bracket is connected with the fin, fin evenly distributed is on the surface of mounting bracket, transformer main part's upper end fixedly connected with air ducting, and air ducting includes two installation pieces. The utility model discloses, first aviation baffle is circular-arc structure, and the air that will flow through circular-arc first aviation baffle is along its circular arc inner wall water conservancy diversion to the air that makes the water conservancy diversion blows to limiting plate and fin between the two, carries out the heat exchange with it with the help of the air that flows between limiting plate and the fin between the two, thereby has accelerated the radiating effect of transformer main part, flows between the two at its and fin with the help of the limiting plate restriction air that flows.

Description

Heat abstractor for transformer

Technical Field

The utility model relates to a transformer heat dissipation technical field especially relates to a heat abstractor for transformer.

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: 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 (furnace transformers, rectification transformers, power frequency test transformers, voltage regulators, mining transformers, audio transformers, intermediate frequency transformers, high frequency transformers, impact transformers, instrument transformers, electronic transformers, reactors, mutual inductors, etc.). The circuit symbol is usually T as the beginning of the number.

The transformer adopts forced air cooling and oil cooling cooperation to use, and thus the transformer forced air cooling adopts and blows the radiating fin with wind and thereby reaches radiating effect now, and when the air flow on radiating fin surface was slower, the heat exchange rate that leads to the radiating fin was lower.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a heat dissipation device for a transformer.

In order to achieve the above purpose, the utility model adopts the following technical scheme: a heat dissipation device for a transformer comprises a base, wherein a transformer main body is fixedly connected to the outer wall of the upper end of the base, the transformer main body is installed through the base, mounting frames are fixedly connected to the two ends of the transformer main body, cooling fins are fixedly connected to the surfaces of the mounting frames and are uniformly distributed on the surfaces of the mounting frames, an air guide device is fixedly connected to the upper end of the transformer main body and comprises two mounting blocks, the bottom ends of the two mounting blocks are fixedly connected with the transformer main body, rotating shafts are vertically inserted into the two mounting blocks, the surfaces of the rotating shafts are rotatably connected with the two mounting blocks, fastening nuts are fixedly connected to the surfaces of the rotating shafts, one ends of the fastening nuts are in contact with the mounting blocks, first air guide plates are fixedly connected to the surfaces of the rotating shafts, the first air guide plates are of circular, and the circle center of the first air deflector faces the radiating fin.

Preferably, the junction of the rotating shaft and the first air deflector is fixedly connected with three connecting rods, and one end of each connecting rod, far away from the rotating shaft, is fixedly connected with a limiting plate.

Preferably, the limiting plate and the radiating fins are arranged in parallel, the surface of the limiting plate is provided with ventilating grooves relative to the radiating fins, and the ventilating grooves penetrate through the two walls of the limiting plate.

Preferably, the upper end of the transformer main body is provided with a blowing device, and the blowing device is close to the air guide device and fixedly connected with the transformer main body.

Preferably, the blowing device comprises a connecting frame, a linear motor is arranged on the surface of the connecting frame, a blower is fixedly connected to one end, far away from the connecting frame, of the linear motor, the output port of the blower faces the radiating fin, a second air deflector is arranged between the blower and the first air deflector, the second air deflector and the first air deflector are symmetrically arranged, and the second air deflector is not in contact with the transformer main body.

Preferably, a mounting frame is fixed on the surface, close to the blower, of the second air deflector, the bottom end of the mounting frame is fixedly connected with the transformer main body, and a filter screen is fixedly connected to the inner wall of the mounting frame.

Advantageous effects

1. The utility model discloses in, first aviation baffle is circular-arc structure, and the air that will flow through circular-arc first aviation baffle is along its circular arc inner wall water conservancy diversion to the air that makes the water conservancy diversion blows to between limiting plate and the fin the two, carries out the heat exchange with it with the help of the air that flows between limiting plate and the fin the two, thereby has accelerated the radiating effect of transformer main part, flows between its and the fin the two with the help of the limiting plate restriction air that flows.

2. The utility model discloses in, drive the hair-dryer at link surface reciprocating motion through linear electric motor, produce the air current with the help of the hair-dryer and blow to the second aviation baffle, filter the wind of hair-dryer through the inside filter screen of installing frame to the wind that makes the hair-dryer blows to limiting plate and fin between the two along the second aviation baffle, thereby has accelerated the radiating speed of transformer main part.

Drawings

Fig. 1 is a schematic structural view of a heat dissipation device for a transformer according to the present invention;

fig. 2 is a schematic front view of a heat dissipation device for a transformer according to the present invention;

fig. 3 is a schematic structural view of an air guiding device in a heat dissipation device for a transformer according to the present invention;

fig. 4 is a schematic structural view of a blowing device in a heat dissipation device for a transformer.

Illustration of the drawings: 1. a base; 2. a transformer body; 3. a mounting frame; 4. a heat sink; 5. an air guide device; 51. mounting blocks; 52. a rotating shaft; 53. fastening a nut; 54. a first air deflector; 55. a connecting rod; 56. a limiting plate; 57. a ventilation groove; 6. a blowing device; 61. installing a frame; 62. filtering with a screen; 63. a second air deflector; 64. a connecting frame; 65. a linear motor; 66. an air blower.

Detailed Description

In order to make the technical means, the creation features, the achievement purposes and the functions of the present invention easy to understand, the present invention will be further explained below with reference to the following embodiments and the accompanying drawings, but the following embodiments are only the preferred embodiments of the present invention, and not all embodiments are included. Based on the embodiments in the implementation, other embodiments obtained by those skilled in the art without any creative work belong to the protection scope of the present invention.

Specific embodiments of the present invention will be described below with reference to the accompanying drawings.

The specific embodiment is as follows:

referring to fig. 1-4, a heat dissipation device for a transformer, includes a base 1, a transformer main body 2 is fixedly connected to an upper outer wall of the base 1, the transformer main body 2 is installed through the base 1, mounting frames 3 are fixedly connected to two ends of the transformer main body 2, heat dissipation sheets 4 are fixedly connected to surfaces of the mounting frames 3, the heat dissipation sheets 4 are uniformly distributed on surfaces of the mounting frames 3, an air guiding device 5 is fixedly connected to an upper end of the transformer main body 2, the air guiding device 5 includes two mounting blocks 51, bottom ends of the two mounting blocks 51 are fixedly connected to the transformer main body 2, a rotating shaft 52 is vertically inserted into the two mounting blocks 51, three connecting rods 55 are fixedly connected to a joint of the rotating shaft 52 and a first air guiding plate 54, a limiting plate 56 is fixedly connected to one end of the connecting rod 55 far away from the rotating shaft 52, the limiting plate 56 and, the ventilation groove 57 penetrates through two walls of the limit plate 56, the surface of the rotating shaft 52 is rotatably connected with the two mounting blocks 51, the surface of the rotating shaft 52 is fixedly connected with a fastening nut 53, one end of the fastening nut 53 is in contact with the mounting blocks 51, the surface of the rotating shaft 52 is fixedly connected with a first air deflector 54, the first air deflector 54 is of an arc-shaped structure, and the circle center of the first air deflector 54 faces the heat radiating fin 4.

The upper end of the transformer main body 2 is provided with the blowing device 6, the blowing device 6 is close to the air guide device 5 and fixedly connected with the transformer main body 2, the blowing device 6 comprises a connecting frame 64, the surface of the connecting frame 64 is provided with a linear motor 65, one end of the linear motor 65, which is far away from the connecting frame 64, is fixedly connected with a blower 66, an output port of the blower 66 faces towards the radiating fin 4, a second air guide plate 63 is arranged between the blower 66 and the first air guide plate 54, the surface of the second air guide plate 63, which is close to the blower 66, is fixedly provided with a mounting frame 61, the bottom end of the mounting frame 61 is fixedly connected with the transformer main body 2, the inner wall of the mounting frame 61 is fixedly connected with a filter screen 62, the second air guide plate 63 and the first air.

The utility model discloses a theory of operation: the first air guiding plate 54 is of an arc-shaped structure, the flowing air is guided along the arc-shaped inner wall by the arc-shaped first air guiding plate 54, thereby blowing the guided air between the restriction plate 56 and the heat radiating fins 4, accelerating the heat exchange of the heat radiating fins 4 with the air flowing between the restriction plate 56 and the heat radiating fins 4, thereby accelerating the heat radiation effect of the transformer body 2, restricting the flow of the flowing air between the same and the heat radiation fins 4 by means of the restriction plate 56, the blower 66 is driven by the linear motor 65 to reciprocate on the surface of the connecting frame 64, the blower 66 generates air flow to blow the second air deflector 63, the air of the blower 66 is filtered by the filter screen 62 inside the mounting frame 61, thereby, the wind of the blower 66 is blown to between the restriction plate 56 and the heat sink 4 along the second wind guide plate 63, and the heat dissipation speed of the transformer main body 2 is increased.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a heat abstractor for transformer, includes base (1), upper end outer wall fixedly connected with transformer main part (2) of base (1), transformer main part (2) are installed through base (1), both ends fixedly connected with mounting bracket (3) of transformer main part (2), the fixed surface of mounting bracket (3) is connected with fin (4), fin (4) evenly distributed is on the surface of mounting bracket (3), its characterized in that: the transformer comprises a transformer body (2), wherein an air guide device (5) is fixedly connected to the upper end of the transformer body (2), the air guide device (5) comprises two installation blocks (51), the bottom ends of the two installation blocks (51) are fixedly connected with the transformer body (2), a rotating shaft (52) is vertically inserted into the two installation blocks (51), the surface of the rotating shaft (52) is rotatably connected with the two installation blocks (51), a fastening nut (53) is fixedly connected to the surface of the rotating shaft (52), one end of the fastening nut (53) is in contact with the installation blocks (51), a first air deflector (54) is fixedly connected to the surface of the rotating shaft (52), the first air deflector (54) is of an arc-shaped structure, and the circle center of the first air deflector (54) faces towards a radiating fin (4).

2. The heat sink for transformer according to claim 1, wherein: the connecting device is characterized in that three connecting rods (55) are fixedly connected to the joint of the rotating shaft (52) and the first air deflector (54), and a limiting plate (56) is fixedly connected to one end, far away from the rotating shaft (52), of each connecting rod (55).

3. The heat sink for transformer according to claim 2, wherein: the limiting plate (56) and the radiating fins (4) are arranged in parallel, the surface of the limiting plate (56) is provided with ventilating grooves (57) relative to the radiating fins (4), and the ventilating grooves (57) penetrate through two walls of the limiting plate (56).

4. The heat sink for transformer according to claim 1, wherein: the transformer is characterized in that a blowing device (6) is arranged at the upper end of the transformer main body (2), and the blowing device (6) is close to the air guide device (5) and fixedly connected with the transformer main body (2).

5. The heat sink for transformer according to claim 4, wherein: the blowing device (6) comprises a connecting frame (64), a linear motor (65) is arranged on the surface of the connecting frame (64), a blower (66) is fixedly connected to one end, far away from the connecting frame (64), of the linear motor (65), the output port of the blower (66) faces towards the radiating fin (4), a second air guide plate (63) is arranged between the blower (66) and the first air guide plate (54), the second air guide plate (63) and the first air guide plate (54) are symmetrically arranged, and the second air guide plate (63) is not in contact with the transformer main body (2).

6. The heat sink for transformer according to claim 5, wherein: and a mounting frame (61) is fixed on the surface of the second air deflector (63) close to the blower (66), the bottom end of the mounting frame (61) is fixedly connected with the transformer main body (2), and a filter screen (62) is fixedly connected to the inner wall of the mounting frame (61).