CN217008861U

CN217008861U - Cooling structure of dry-type transformer

Info

Publication number: CN217008861U
Application number: CN202121561952.2U
Authority: CN
Inventors: 胡宾安; 彭正; 王�华; 黎清源; 刘景波
Original assignee: Yangchun New Iron and Steel Co Ltd
Current assignee: Yangchun New Iron and Steel Co Ltd
Priority date: 2021-07-09
Filing date: 2021-07-09
Publication date: 2022-07-19
Anticipated expiration: 2031-07-09

Abstract

The utility model discloses a cooling structure of a dry-type transformer, which comprises a box body and a dry-type transformer body arranged in the box body, wherein the outer side wall of the box body is fixedly connected with a supporting plate, the top of the supporting plate is fixedly connected with a motor, the top of the box body is rotatably connected with a first rotating shaft, the outer side wall of the first rotating shaft is fixedly connected with a plurality of spiral fan blades, an output shaft of the motor is connected with the first rotating shaft through a connecting structure, and the outer side wall of the box body is provided with a plurality of radiating ports. According to the utility model, under the mutual cooperation of the supporting plate, the motor, the first rotating shaft, the spiral fan blades, the heat dissipation port, the second rotating shaft, the heat dissipation hole and the connecting structure, the motor drives the first rotating shaft and the spiral fan blades to cool the dry-type transformer body through the connecting structure, and simultaneously drives the air exhaust plates to rotate, so that the air flow in the box body is accelerated, the dry-type transformer body is cooled rapidly, and the heat dissipation efficiency of the dry-type transformer body is further improved.

Description

Cooling structure of dry-type transformer

Technical Field

The utility model relates to the technical field of transformer cooling, in particular to a cooling structure of a dry-type transformer.

Background

The dry-type transformer is widely used in mechanical equipment places such as local lighting, high-rise buildings, airports and the like, mainly comprises an iron core made of silicon steel sheets and coils cast by epoxy resin, prevents an insulating cylinder from increasing the electrical insulation between high-voltage coils and low-voltage coils, and is supported by a cushion block and restrains the coils.

Dry-type transformer can produce a large amount of heats in work, can make inside electric wire and components and parts damage when the high temperature, leads to the unable normal work of transformer, and dry-type transformer among the prior art's cooling structure is comparatively single, often can not accomplish rapid cooling, and the dustproof effect of current dry-type transformer is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems that the cooling of the existing dry-type transformer in the prior art cannot realize quick cooling and is poor in dustproof effect, and provides a cooling structure of the dry-type transformer.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a cooling structure of dry-type transformer, includes box and the dry-type transformer body of setting in the box, box lateral wall fixedly connected with backup pad, backup pad top fixedly connected with motor, the box top is rotated and is connected with first pivot, a plurality of helical fan blades of first pivot lateral wall fixedly connected with, motor output shaft and first pivot pass through connection structure and connect, a plurality of thermovents have been seted up to the box lateral wall, the lateral wall rotates in the thermovent and is connected with the second pivot, and the homonymy is a plurality of second pivot lateral wall passes through chain drive and connects, a plurality of blast plates of second pivot lateral wall fixedly connected with, the top second pivot and motor output shaft are connected through first belt drive, a plurality of louvres have been seted up at the box top.

Preferably, connection structure includes the diaphragm of fixed connection on the box lateral wall, the diaphragm top is rotated and is connected with the third pivot, bevel gear, two have all been fixed to have cup jointed to third pivot and motor output shaft lateral wall the bevel gear meshing is connected, first pivot and third pivot are connected through second belt drive.

Preferably, the top the second pivot and the motor output shaft lateral wall all fixed cover be equipped with the first belt pulley of first belt looks adaptation.

Preferably, the outer side wall of the second rotating shaft is fixedly sleeved with a chain disc matched with the chain.

Preferably, the outer side walls of the first rotating shaft and the third rotating shaft are fixedly sleeved with second belt pulleys matched with the second belts.

Preferably, the outer side wall and the inner side wall of the box body are fixedly connected with a plurality of air guide frames, and the inner side walls of the air guide frames and the inner side walls of the heat dissipation holes are provided with dust screens.

The beneficial effects of the utility model are as follows:

1. under the mutually supporting of backup pad, motor, first pivot, helical fan blade, thermovent, second pivot, louvre and connection structure, let other motors pass through connection structure and drive first pivot and a plurality of helical fan blade and give dry-type transformer body cooling, also let the motor drive a plurality of boards of airing exhaust simultaneously and rotate to air flow in the acceleration box lets dry-type transformer body rapid cooling, and then improves the radiating efficiency of dry-type transformer body.

2. Under backup pad, motor, first pivot, spiral fan blade, thermovent, second pivot, louvre and connection structure's interact, through all setting up the dust screen at wind-guiding frame inside wall and louvre inside wall, the dust screen can improve whole device dustproof performance.

Drawings

Fig. 1 is a schematic structural diagram of a cooling structure of a dry-type transformer according to the present invention;

fig. 2 is a rear view of a cooling structure of a dry-type transformer according to the present invention;

fig. 3 is a cross-sectional top view of a cooling structure of a dry-type transformer according to the present invention.

In the figure: 1. a box body; 2. a dry-type transformer body; 3. a support plate; 4. a motor; 5. a first rotating shaft; 6. a helical fan blade; 7. a heat dissipation port; 8. a second rotating shaft; 9. a chain; 10. a vent panel; 11. a first belt; 12. heat dissipation holes; 13. a transverse plate; 14. a third rotating shaft; 15. a second belt; 16. an air guide frame.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, a cooling structure of dry type transformer, including box 1 and the dry type transformer body 2 of setting in box 1, box 1 lateral wall fixedly connected with backup pad 3, 3 top fixedly connected with motors 4 of backup pad, 1 top of box rotates and is connected with

first pivot

5, 5 lateral walls fixedly connected with a plurality of spiral flabellums 6 of first pivot, motor 4 output shaft and first pivot 5 are connected through connection structure, connection structure includes diaphragm 13 of fixed connection on 1 lateral wall of box, 13 top of diaphragm rotates and is connected with third pivot 14,

third pivot

14 and 4 output shaft lateral walls of motor all fixedly cup jointed bevel gear, two bevel gear meshing is connected, first pivot 5 and third pivot 14 are connected through the transmission of second belt 15, the equal fixed cover of

first pivot

5 and 14 lateral walls of third pivot is equipped with the second belt pulley with 15 looks adaptations of second belt.

A plurality of thermovents 7 have been seted up to 1 lateral wall of box, 7 inside wall rotations of thermovent are connected with

second pivot

8, 8 lateral walls of a plurality of second pivots of homonymy pass through chain 9 transmission and connect, 8 lateral wall fixed cover of second pivot are equipped with the chain dish with chain 9 looks adaptation, a plurality of blast plates of 8 lateral wall fixedly connected with of second pivot 10, top

second pivot

8 and 4 output shafts of motor are connected through 11 transmissions of first belt, the equal fixed cover of

top second pivot

8 and 4 output shafts of motor lateral walls is equipped with the first belt pulley with 11 looks adaptations of first belt, a plurality of louvres 12 have been seted up at 1 top of box, 1 lateral wall of box and the equal a plurality of guide frames 16 of fixedly connected with of inside wall.

The working principle is as follows: when the dry-type transformer body 2 in the box body 1 needs to be cooled, the motor 4 is started, an output shaft of the motor 4 is meshed through the two bevel gears to drive the third rotating shaft 14 to rotate, the third rotating shaft 14 drives the first rotating shaft 5 to rotate through the second belt 15, the first rotating shaft 5 drives the plurality of spiral fan blades 6 to rotate, and the plurality of spiral fan blades 6 rotate to suck wind into the box body 1 from the plurality of heat dissipation holes 12 so as to cool the dry-type transformer body 2;

simultaneously, the output shaft of the motor 4 drives the uppermost second rotating shaft 8 to rotate through the second belt 15, the uppermost second rotating shaft 8 on the same side drives other second rotating shafts 8 to rotate through the chains 9, and the second rotating shaft 8 drives the plurality of air exhaust plates 10 to rotate so as to exhaust air in the box body 1, thereby improving the cooling speed of the dry-type transformer body 2.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered as the technical solutions and the utility model concepts of the present invention in the scope of the present invention.

Claims

1. A cooling structure of a dry-type transformer comprises a box body (1) and a dry-type transformer body (2) arranged in the box body (1), and is characterized in that a supporting plate (3) is fixedly connected to the outer side wall of the box body (1), a motor (4) is fixedly connected to the top of the supporting plate (3), a first rotating shaft (5) is rotatably connected to the top of the box body (1), a plurality of spiral fan blades (6) are fixedly connected to the outer side wall of the first rotating shaft (5), an output shaft of the motor (4) is connected with the first rotating shaft (5) through a connecting structure, a plurality of heat dissipation ports (7) are formed in the outer side wall of the box body (1), a second rotating shaft (8) is rotatably connected to the inner side wall of each heat dissipation port (7), a plurality of outer side walls of the second rotating shaft (8) on the same side are in transmission connection through a chain (9), a plurality of air exhaust plates (10) are fixedly connected to the outer side wall of the second rotating shaft (8), the top second pivot (8) and motor (4) output shaft pass through first belt (11) transmission and are connected, a plurality of louvres (12) have been seted up at box (1) top.

2. The cooling structure of the dry-type transformer according to claim 1, wherein the connecting structure comprises a transverse plate (13) fixedly connected to the outer side wall of the box body (1), a third rotating shaft (14) is rotatably connected to the top of the transverse plate (13), the outer side walls of the third rotating shaft (14) and the output shaft of the motor (4) are fixedly sleeved with bevel gears, the two bevel gears are in meshed connection, and the first rotating shaft (5) and the third rotating shaft (14) are in transmission connection through a second belt (15).

3. The cooling structure of a dry-type transformer according to claim 1, wherein the second shaft (8) and the outer side wall of the output shaft of the motor (4) are fixedly sleeved with a first belt pulley adapted to the first belt (11).

4. The structure of claim 1, wherein a chain plate adapted to the chain (9) is fixedly sleeved on the outer side wall of the second rotating shaft (8).

5. The cooling structure of the dry-type transformer according to claim 2, wherein the outer side walls of the first rotating shaft (5) and the third rotating shaft (14) are fixedly sleeved with a second belt pulley adapted to the second belt (15).

6. The cooling structure of the dry-type transformer according to claim 1, wherein a plurality of air guiding frames (16) are fixedly connected to the outer side wall and the inner side wall of the box body (1), and dust screens are arranged on the inner side wall of the air guiding frames (16) and the inner side wall of the heat dissipation hole (12).