CN215220447U

CN215220447U - Heat radiator for be used for dry-type power transformer

Info

Publication number: CN215220447U
Application number: CN202120539885.8U
Authority: CN
Inventors: 蒙丽红
Original assignee: GUANGXI XIANHE TRANSFORMER TECHNOLOGY CO LTD
Current assignee: GUANGXI XIANHE TRANSFORMER TECHNOLOGY CO LTD
Priority date: 2021-03-16
Filing date: 2021-03-16
Publication date: 2021-12-17
Anticipated expiration: 2031-03-16

Abstract

The utility model discloses a heat abstractor for dry-type power transformer relates to power equipment technical field, including the box, the equal fixedly connected with carriage of both sides face of box, the carriage sets up to the shape of v 21274, and a plurality of louvres that are the rectangular array and distribute are all seted up to the both sides face of box, and the louvre slope sets up, is provided with the loose axle between box and the carriage, and the both ends of loose axle run through the side of box and the side of carriage respectively and extend to the inner chamber of box and the outside of carriage respectively, and the one end of loose axle is provided with drive assembly. The utility model discloses a be provided with drive assembly in the one end of loose axle, the other end fixedly connected with of loose axle rotates the fan, and drive assembly includes annular slab, fixed block and recess, and drive assembly can be constantly rotated under the impact of rainwater rainy day, and then drives and rotate the fan and rotate and carry out the forced air cooling heat dissipation to the transformer to avoided exhaust fan continuous operation and the very big power consumption who causes.

Description

Heat radiator for be used for dry-type power transformer

Technical Field

The utility model relates to a power equipment technical field, in particular to a heat abstractor for dry-type power transformer.

Background

The power transformer is divided into a dry power transformer and an oil-immersed power transformer according to the cooling form of the power transformer, and the dry power transformer has less pollution, is not easy to cause fire and explosion, has low noise and low loss during operation, and is widely applied to industries such as factories and power stations. However, most of the conventional heat dissipation devices for dry-type power transformers are provided with an exhaust fan to dissipate heat from the inside of the transformer, and although the heat dissipation effect from the inside of the transformer is good, the heat dissipation devices tend to increase power consumption.

Therefore, it is necessary to invent a heat sink for a dry-type power transformer to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a heat abstractor for dry-type power transformer to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a heat dissipation device for a dry-type power transformer comprises a box body, wherein two side faces of the box body are fixedly connected with a supporting frame, the supporting frame is arranged in a V-21274shape, a plurality of heat dissipation holes distributed in a rectangular array are formed in the two side faces of the box body, the heat dissipation holes are obliquely arranged, a movable shaft is arranged between the box body and the supporting frame, two ends of the movable shaft respectively penetrate through the side faces of the box body and the side faces of the supporting frame and respectively extend to the inner cavity of the box body and the outer side of the supporting frame, a driving assembly is arranged at one end of the movable shaft and comprises an annular plate, the annular plate is fixedly sleeved on the outer side of the movable shaft, a plurality of fixed blocks distributed in an annular array are fixedly connected to the outer side of the annular plate, a groove is formed in one side face of each fixed block, an arc plate is arranged at the upper end of one side of the driving assembly and is fixedly connected with the outer side wall of the supporting frame, the other end fixedly connected with of loose axle rotates the fan, the inner chamber lower extreme of box is provided with the mounting panel, the equal fixedly connected with mounting bracket in both sides of the lower terminal surface of mounting panel, the lower extreme of mounting bracket and the lower extreme inner wall fixed connection of box, the upper surface middle part of mounting panel is provided with the transformer body.

Preferably, the both sides of the lower extreme inner wall of box have all run through and have seted up the ventilation hole, the upper end outside in ventilation hole is provided with an installation section of thick bamboo, the lower extreme inner wall fixed connection of an installation section of thick bamboo and box.

Preferably, the upper end fixedly connected with apron of an installation section of thick bamboo, the lower surface middle part adhesive bonding of apron has the foam-rubber cushion, the inside wall of an installation section of thick bamboo runs through and sets up a plurality of logical grooves that are the annular array and distribute.

Preferably, the upper end of the inner cavity of the box body is provided with a positioning clamping plate, and the positioning clamping plate is clamped at the upper end of the transformer body and is matched with the transformer body.

Preferably, both ends of the upper surface of the positioning clamping plate are fixedly connected with movable rods, sleeve rods are movably sleeved on the outer sides of the upper ends of the movable rods, and the upper ends of the sleeve rods are fixedly connected with the inner wall of the upper end of the box body.

Preferably, the both ends of the inside wall of loop bar are all vertical to be seted up the spacing groove, the inner chamber of spacing groove is provided with the stopper with spacing groove looks adaptation, stopper and movable rod fixed connection.

Preferably, the inner cavity of the loop bar is provided with a thrust spring, and the upper end and the lower end of the thrust spring are respectively connected with the inner wall of the upper end of the loop bar and the upper end face of the movable bar in a fitting manner.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a be provided with drive assembly at the one end of loose axle, the other end fixedly connected with of loose axle rotates the fan, drive assembly includes annular plate, fixed block and recess, drive assembly can be under the impact of rainwater constantly rotating in rainy day, and then drive the rotation fan and rotate and carry out the forced air cooling heat dissipation to the transformer to the very big power consumption that exhaust fan continued work caused has been avoided;

2. the utility model discloses an at the last fixed surface of location cardboard and be connected with the movable rod, the loop bar has been cup jointed in the outside of movable rod, and the inner chamber of loop bar is provided with thrust spring, and the card that the location cardboard can be stable under the dual function of self gravity and thrust spring's thrust in the upper end of transformer body to fix a position the transformer, consequently be convenient for more install the transformer and dismantle.

Drawings

Fig. 1 is a schematic view of the overall structure section of the present invention.

Fig. 2 is the side-cut schematic view of the driving assembly structure of the present invention.

Fig. 3 is an enlarged schematic view of a structure shown in fig. 1 according to the present invention.

Fig. 4 is the utility model discloses installation section of thick bamboo structure cuts open schematic diagram down.

In the figure: 1. a box body; 2. a support frame; 3. heat dissipation holes; 4. a movable shaft; 5. a drive assembly; 51. an annular plate; 52. a fixed block; 53. a groove; 6. an arc-shaped plate; 7. rotating the fan; 8. mounting a plate; 9. a mounting frame; 10. a vent hole; 11. mounting the cylinder; 12. a cover plate; 13. a through groove; 14. positioning a clamping plate; 15. a movable rod; 16. a loop bar; 17. a limiting groove; 18. a limiting block; 19. a thrust spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model provides a heat dissipation device for a dry-type power transformer as shown in figures 1-4, as shown in figure 1, comprising a box body 1, wherein both side surfaces of the box body 1 are fixedly connected with a supporting frame 2, the supporting frame 2 is arranged in a shape of '21274', both side surfaces of the box body 1 are provided with a plurality of heat dissipation holes 3 distributed in a rectangular array, the heat dissipation holes 3 are obliquely arranged, the heat dissipation holes 3 are arranged to improve the connectivity between the inner cavity of the box body 1 and the outside, in addition, the obliquely arranged heat dissipation holes 3 can prevent external rainwater from easily entering the inner cavity of the box body 1, a movable shaft 4 is arranged between the box body 1 and the supporting frame 2, both ends of the movable shaft 4 respectively penetrate through the side surfaces of the box body 1 and the side surfaces of the supporting frame 2 and respectively extend to the inner cavity of the box body 1 and the outer side of the supporting frame 2, the movable shaft 4 can rotate, one end of the movable shaft 4 is provided with a driving component 5, the other end of the movable shaft 4 is fixedly connected with a rotating fan 7, the rotation fan 7 rotates and can drive 1 inner chamber air of box and flow, and then can carry out the forced air cooling heat dissipation to the voltmeter body of 1 inner chamber of box, the inner chamber lower extreme of box 1 is provided with mounting panel 8, the equal fixedly connected with mounting bracket 9 in both sides of the lower terminal surface of mounting panel 8, the lower extreme of mounting bracket 9 and the lower extreme inner wall fixed connection of box 1, the upper surface middle part of mounting panel 8 is provided with transformer body, the both sides of the lower extreme inner wall of box 1 all run through and have seted up ventilation hole 10, the upper end outside in ventilation hole 10 is provided with installation section of thick bamboo 11, installation section of thick bamboo 11 and box 1's lower extreme inner wall fixed connection, the setting in ventilation hole 10 is used for communicating the inner chamber and the external world of box 1.

As shown in fig. 2, drive assembly 5 includes annular plate 51, annular plate 51 is fixed to be cup jointed in the outside of loose axle 4, a plurality of fixed blocks 52 that are the annular array and distribute of outside fixedly connected with of annular plate 51, a side of fixed block 52 is seted up flutedly 53, one side upper end of drive assembly 5 is provided with arc 6, arc 6 and carriage 2's lateral wall fixed connection, when rainy day, the rainwater falls in the inner chamber of flutedly 53, annular plate 51 both sides gravity differs can take place to rotate, and then drive loose axle 4 and rotate.

As shown in fig. 1 and 4, a cover plate 12 is fixedly connected to the upper end of an installation cylinder 11, a sponge cushion is adhesively connected to the middle of the lower surface of the cover plate 12, a plurality of through grooves 13 distributed in an annular array are formed in the inner side wall of the installation cylinder 11 in a penetrating manner, and the sponge cushion on the lower surfaces of the cover plate 12 and the cover plate 12 can absorb water vapor in the air.

As shown in fig. 1 and fig. 3, be provided with location cardboard 14 in the inner chamber upper end of box 1, location cardboard 14 card in the upper end of transformer body and with transformer body looks adaptation, the equal fixedly connected with movable rod 15 in both ends of the upper surface of location cardboard 14, loop bar 16 has been cup jointed in the activity of the upper end outside of movable rod 15, the upper end of loop bar 16 and the upper end inner wall fixed connection of box 1, spacing groove 17 has all vertically been seted up at the both ends of the inside wall of loop bar 16, the inner chamber of spacing groove 17 is provided with the stopper 18 with spacing groove 17 looks adaptation, stopper 18 and movable rod 15 fixed connection, the inner chamber of loop bar 16 is provided with thrust spring 19, thrust spring 19's upper and lower both ends respectively with the upper end inner wall of loop bar 16 and the up end face laminating of movable rod 15 are connected, thrust spring 19 provides thrust and makes location cardboard 14 card in the upper end of transformer body, thereby can carry out stable location to the transformer body.

The utility model discloses the theory of operation:

when the device is used, rainwater falls on the driving assembly 5 in rainy days, the shielding effect of the arc-shaped plate 6 enables the rainwater to fall only in the inner cavity of the groove 53 on the other side of the driving assembly 5, at the moment, the gravity on two sides of the whole driving assembly 5 is different, and further the annular plate 51 rotates, and in the rotating process of the annular plate 51, the fixed block 52 is driven to rotate, so that the rainwater in the groove 53 can be discharged, therefore, the whole driving assembly 5 can continuously rotate under the impact of the rainwater, the movable shaft 4 and the rotating fan 7 are driven to rotate, the rotating fan 7 can perform air cooling heat dissipation on the transformer body in the inner cavity of the box body 1 when rotating, and further can share the working pressure of the exhaust fan, so that the device can effectively reduce the consumption of electric power;

when the impaired needs of transformer body are changed, at first vertical upwards move the location cardboard 14 and compress thrust spring 19, separate until location cardboard 14 and transformer body to can be convenient for pull down the transformer body, overhaul the above-mentioned step of the back of accomplishing again reverse operation again and can install the location to the transformer body.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. A heat dissipation device for a dry power transformer, comprising a box body (1), characterized in that: the two side surfaces of the box body (1) are fixedly connected with supporting frames (2), the supporting frames (2) are arranged to be v-21274, a plurality of heat dissipation holes (3) distributed in a rectangular array are formed in the two side surfaces of the box body (1), the heat dissipation holes (3) are obliquely arranged, a movable shaft (4) is arranged between the box body (1) and the supporting frames (2), two ends of the movable shaft (4) penetrate through the side surfaces of the box body (1) and the supporting frames (2) respectively and extend to the inner cavity of the box body (1) and the outer sides of the supporting frames (2) respectively, one end of the movable shaft (4) is provided with a driving assembly (5), the driving assembly (5) comprises an annular plate (51), the annular plate (51) is fixedly sleeved on the outer side of the movable shaft (4), and a plurality of fixing blocks (52) distributed in an annular array are fixedly connected to the outer side of the annular plate (51), one side of fixed block (52) is seted up fluted (53), one side upper end of drive assembly (5) is provided with arc (6), the lateral wall fixed connection of arc (6) and carriage (2), the other end fixedly connected with of loose axle (4) rotates fan (7), the inner chamber lower extreme of box (1) is provided with mounting panel (8), the equal fixedly connected with mounting bracket in both sides (9) of the lower terminal surface of mounting panel (8), the lower extreme of mounting bracket (9) and the lower extreme inner wall fixed connection of box (1), the upper surface middle part of mounting panel (8) is provided with the transformer body.

2. A heat sink for a dry-type power transformer as recited in claim 1, wherein: both sides of the lower end inner wall of the box body (1) are all penetrated and provided with a ventilation hole (10), the upper end outer side of the ventilation hole (10) is provided with an installation cylinder (11), and the installation cylinder (11) is fixedly connected with the lower end inner wall of the box body (1).

3. A heat sink for a dry-type power transformer as recited in claim 2, wherein: the upper end fixedly connected with apron (12) of an installation section of thick bamboo (11), the lower surface middle part adhesive bonding of apron (12) has the foam-rubber cushion, the inside wall of an installation section of thick bamboo (11) runs through and sets up a plurality of logical grooves (13) that are the annular array and distribute.

4. A heat sink for a dry-type power transformer as recited in claim 3, wherein: a positioning clamping plate (14) is arranged at the upper end of the inner cavity of the box body (1), and the positioning clamping plate (14) is clamped at the upper end of the transformer body and is matched with the transformer body.

5. A heat sink for a dry-type power transformer as claimed in claim 4, wherein: the two ends of the upper surface of the positioning clamping plate (14) are fixedly connected with movable rods (15), sleeve rods (16) are movably sleeved on the outer sides of the upper ends of the movable rods (15), and the upper ends of the sleeve rods (16) are fixedly connected with the inner wall of the upper end of the box body (1).

6. A heat sink for a dry-type power transformer as claimed in claim 5, wherein: the both ends of the inside wall of loop bar (16) are all vertical to be seted up spacing groove (17), the inner chamber of spacing groove (17) is provided with stopper (18) with spacing groove (17) looks adaptation, stopper (18) and movable rod (15) fixed connection.

7. A heat sink for a dry-type power transformer as claimed in claim 6, wherein: the inner cavity of the loop bar (16) is provided with a thrust spring (19), and the upper end and the lower end of the thrust spring (19) are respectively connected with the inner wall of the upper end of the loop bar (16) and the upper end face of the movable rod (15) in a fitting manner.