CN214312864U - Transformer core with efficient heat dissipation function - Google Patents

Abstract

A transformer iron core capable of efficiently dissipating heat comprises an iron core column, an iron yoke, an upper fastening piece, a lower fastening piece, a first heat dissipation box, a second heat dissipation box, a first box body and a second box body; two groups of iron yokes are respectively arranged at the upper end and the lower end of the iron core column; the two groups of upper fastening pieces and the two groups of lower fastening pieces are respectively attached to two sides of the iron yoke; the iron yoke is connected with the upper fastening piece and the lower fastening piece through screws; a first heat-conducting silicone tube is arranged in the first blind hole, the first box body is arranged on the inner side of the bottom of the first heat-radiating box, and transformer oil is filled in the second box body; the first heat-conducting silicone tube and the first box body are filled with heat-conducting silicone grease; a second heat-conducting silicone tube is arranged in the second blind hole; the fan is arranged on the inner wall of the second heat dissipation box, the first air pipe is arranged at the top of the second heat dissipation box, and the first air pipe is communicated with the inner cavity of the first heat dissipation box. The utility model discloses in, the heat dissipation of cooling down is carried out to the part about the iron core post simultaneously for the air flow speed in the first heat dissipation box has further improved the radiating efficiency simultaneously.

Description

Transformer core with efficient heat dissipation function

Technical Field

The utility model relates to a transformer core technical field especially relates to a high-efficient radiating transformer core.

Background

The transformer is one of important electrical equipment in a power system, copper loss and iron loss can be generated in the operation process of the transformer and can be converted into heat energy, so that the internal temperature of the transformer is increased, and after a winding wound on an iron core passes through current, the winding is heated by the heat effect of the current, if the transformer works at a temperature exceeding the allowable temperature for a long time, the transformer is easy to break down or even burn out, so that the transformer can be supplemented with air cooling or oil cooling equipment for internal sound heat dissipation in the use process, but the heat dissipation is not carried out aiming at a heat source iron core, so that the heat dissipation efficiency is reduced, and the heat dissipation effect is not ideal.

SUMMERY OF THE UTILITY MODEL

Objects of the invention

For the technical problem who exists among the solution background art, the utility model provides a high-efficient radiating transformer core can cool down the heat dissipation to iron core post upper portion branch through first heat conduction silicone tube, heat conduction silicone grease, second box body and transformer oil, can cool down the heat dissipation to iron core post lower part through second heat conduction silicone tube and fan, and in the wind that the fan blows simultaneously got into first heat dissipation box through first tuber pipe for the air flow speed in the first heat dissipation box, the radiating efficiency of second box body has further been improved.

(II) technical scheme

The utility model provides a transformer core with high-efficiency heat dissipation, which comprises an iron core column, an iron yoke, an upper fastening piece, a lower fastening piece, a first heat dissipation box, a second heat dissipation box, a screw, a first heat-conducting silicone tube, a first box body, a second box body, a support column, a second heat-conducting silicone tube, a fan and a first air pipe;

the iron yokes are arranged in two groups, and the two groups of iron yokes are respectively arranged at the upper end and the lower end of the iron core column; the upper fastening pieces are arranged in two groups, the two groups of upper fastening pieces are respectively attached to two sides of an iron yoke at the top of the iron core column, the two groups of upper fastening pieces are vertically arranged at the bottom of the first heat dissipation box, and the first heat dissipation box is positioned above the iron core column; the two groups of lower fastening pieces are respectively attached to two sides of the iron yoke at the bottom of the iron core column, the two groups of lower fastening pieces are vertically arranged at the top of the second heat dissipation box, and the second heat dissipation box is positioned below the iron core column; the iron yoke is connected with the upper fastening piece through a screw, and the iron yoke is connected with the lower fastening piece through a screw;

the iron core column and the iron yoke positioned above the iron core column are provided with vertical and opposite first blind holes, and the first blind holes form openings on the upper end surface of the iron yoke; the first heat-conducting silicone tube is arranged in the first blind hole, the peripheral wall of the first heat-conducting silicone tube is attached to the wall of the first blind hole, the top of the first heat-conducting silicone tube penetrates through the bottom of the first heat dissipation box and extends into the first box body, the bottom of the first heat-conducting silicone tube is closed, the first box body is vertically arranged on the inner side of the bottom of the first heat dissipation box, the upper side and the lower side of the first box body are open, the upper end face of the first box body is attached to the lower end face of the second box body, the second box body is arranged on the inner side of the bottom of the first heat dissipation box through a plurality of groups of support columns, and transformer oil is filled in the second box body and occupies two thirds of the volume of a cavity in the second box body; the first heat-conducting silicone tube and the first box body are filled with heat-conducting silicone grease, and the heat-conducting silicone grease is attached to the lower end face of the second box body;

the iron core column and the iron yoke positioned at the bottom of the iron core column are provided with vertical and opposite second blind holes, and the second blind holes form openings on the lower end surface of the iron yoke; the second heat-conducting silicone tube is arranged in the second blind hole, the peripheral wall of the second heat-conducting silicone tube is attached to the wall of the second blind hole, the bottom of the second heat-conducting silicone tube penetrates through the top of the second heat dissipation box and extends into the second heat dissipation box, and the top and the bottom of the second heat-conducting silicone tube are closed; the fan is arranged on the inner wall of the right side of the second heat dissipation box, and the second heat dissipation box is provided with an air inlet; the first air pipe is vertically arranged at the top of the second heat dissipation box, the bottom of the first air pipe is communicated with the inner cavity of the second heat dissipation box, the top of the first air pipe is communicated with the inner cavity of the first heat dissipation box, and the first heat dissipation box is provided with an air outlet.

Preferably, the first blind holes are provided with a plurality of groups, the first heat-conducting silicone tubes are provided with a plurality of groups, and the plurality of groups of first heat-conducting silicone tubes correspond to the plurality of groups of first blind holes one to one.

Preferably, the second blind holes are provided with a plurality of groups, the second heat conduction silicone tubes are provided with a plurality of groups, and the plurality of groups of second heat conduction silicone tubes correspond to the plurality of groups of second blind holes one to one.

Preferably, the second heat-conducting silicone tube is filled with heat-conducting silicone grease.

Preferably, the wall of the air inlet hole is provided with a filter screen.

Preferably, a second air pipe is arranged on the first heat dissipation box, an air inlet end of the second air pipe is connected with the wall of the air outlet hole, and an air outlet of the second air pipe faces to the middle position of the iron core column.

The above technical scheme of the utility model has following profitable technological effect: can cool down the heat dissipation to iron core post upper portion branch through first heat conduction silicone tube, heat conduction silicone grease, second box body and transformer oil, can cool down the heat dissipation to iron core post lower part through second heat conduction silicone tube and fan, the wind that the fan blows simultaneously gets into in the first heat dissipation box through first tuber pipe for the air flow speed in the first heat dissipation box, further improved the radiating efficiency of second box body.

Drawings

Fig. 1 is the utility model provides a high-efficient radiating transformer core's structural schematic.

Reference numerals: 1. a core limb; 2. an iron yoke; 3. an upper fastening piece; 4. a lower fastening tab; 5. a first heat dissipation box; 6. a second heat dissipation box; 7. a screw; 8. a first blind hole; 9. a first heat conducting silicone tube; 10. a first case; 11. heat-conducting silicone grease; 12. a second box body; 13. a support pillar; 14. transformer oil; 15. a second blind hole; 16. a second heat conducting silicone tube; 17. a fan; 18. an air inlet hole; 19. a filter screen; 20. a first air duct; 21. an air outlet; 22. and a second air duct.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention will be described in detail with reference to the accompanying drawings. It should be understood that the description is intended to be illustrative only and is not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.

As shown in fig. 1, the utility model provides a transformer core with high heat dissipation efficiency, which comprises an iron core column 1, an iron yoke 2, an upper fastening piece 3, a lower fastening piece 4, a first heat dissipation box 5, a second heat dissipation box 6, screws 7, a first heat-conducting silicone tube 9, a first box body 10, a second box body 12, a support column 13, a second heat-conducting silicone tube 16, a fan 17 and a first air duct 20;

the iron yokes 2 are arranged in two groups, and the two groups of iron yokes 2 are respectively arranged at the upper end and the lower end of the iron core column 1; the upper fastening pieces 3 are arranged in two groups, the two groups of upper fastening pieces 3 are respectively attached to two sides of the iron yoke 2 at the top of the iron core column 1, the two groups of upper fastening pieces 3 are vertically arranged at the bottom of the first heat dissipation box 5, and the first heat dissipation box 5 is positioned above the iron core column 1; the two groups of lower fastening pieces 4 are respectively attached to two sides of the iron yoke 2 at the bottom of the iron core column 1, the two groups of lower fastening pieces 4 are vertically arranged at the top of the second heat dissipation box 6, and the second heat dissipation box 6 is positioned below the iron core column 1; the iron yoke 2 is connected with the upper fastening plate 3 through a screw 7, and the iron yoke 2 is connected with the lower fastening plate 4 through a screw 7;

the iron core column 1 and the iron yoke 2 positioned above the iron core column 1 are provided with vertical and opposite first blind holes 8, and the first blind holes 8 form openings on the upper end surface of the iron yoke 2; the first heat-conducting silicone tube 9 is arranged in the first blind hole 8, the peripheral wall of the first heat-conducting silicone tube 9 is attached to the wall of the first blind hole 8, the top of the first heat-conducting silicone tube 9 penetrates through the bottom of the first heat dissipation box 5 and extends into the first box body 10, the bottom of the first heat-conducting silicone tube 9 is closed, the first box body 10 is vertically arranged on the inner side of the bottom of the first heat dissipation box 5, the upper side and the lower side of the first box body 10 are open, the upper end face of the first box body 10 is attached to the lower end face of the second box body 12, the second box body 12 is arranged on the inner side of the bottom of the first heat dissipation box 5 through a plurality of groups of support columns 13, the second box body 12 is filled with transformer oil 14, and the transformer oil 14 occupies two thirds of the volume of the cavity in the second box body 12; the first heat-conducting silicone tube 9 and the first box body 10 are filled with heat-conducting silicone grease 11, and the heat-conducting silicone grease 11 is attached to the lower end face of the second box body 12;

the iron core column 1 and the iron yoke 2 positioned at the bottom of the iron core column 1 are provided with vertical and opposite second blind holes 15, and the second blind holes 15 form openings on the lower end surface of the iron yoke 2; the second heat-conducting silicone tube 16 is arranged in the second blind hole 15, the peripheral wall of the second heat-conducting silicone tube 16 is attached to the wall of the second blind hole 15, the bottom of the second heat-conducting silicone tube 16 penetrates through the top of the second heat dissipation box 6 and extends into the second heat dissipation box 6, and the top and the bottom of the second heat-conducting silicone tube 16 are closed; the fan 17 is arranged on the inner wall of the right side of the second heat dissipation box 6, and an air inlet hole 18 is formed in the second heat dissipation box 6; the vertical setting of first tuber pipe 20 is at second heat dissipation box 6 top, and first tuber pipe 20 bottom and the 6 inner chambers of second heat dissipation box communicate, and the exhaust vent 21 has been seted up to first tuber pipe 20 top and the 5 inner chambers of first heat dissipation box on the first heat dissipation box 5.

In the utility model, the heat of the upper part of the core column 1 is transferred to the bottom of the second box body 12 through the first heat-conducting silicone tube 9 and the heat-conducting silicone grease 11, the transformer oil 14 in the second box body 12 absorbs the heat and the oil temperature rises, the oil volume with high temperature increases, the specific gravity decreases, the oil moves to the upper part of the second box body 12, the cold oil supplements the natural motion to the original position of the hot oil, the hot oil emits the heat along the box wall of the second box body 12, the heat is taken away by the surrounding air, and the lower part of the oil tank returns to join in circulation after the temperature decreases; on heat transfer of iron core post 1 lower part was 16 to second heat conduction silicone tube, fan 17 blew wind and can take away the heat on the second heat conduction silicone tube 16 rapidly to make second heat conduction silicone tube 16 constantly absorb the heat of iron core post 1 by source, fan 17 blew, wind gets into first heat dissipation box 5 from first tuber pipe 20 in, can accelerate the radiating rate of second box body 12 again, wind flows out from exhaust vent 21 afterwards. The utility model discloses in, can cool down the heat dissipation to 1 upper portion branch of iron core post through first heat conduction silicone tube 9, heat conduction silicone grease 11, second box body 12 and transformer oil 14, can cool down the heat dissipation to 1 lower part of iron core post through second heat conduction silicone tube 16 and fan 17, the wind that fan 17 blows simultaneously gets into in first heat dissipation box 5 through first tuber pipe 20 for the air flow speed in the first heat dissipation box 5, further improved the radiating efficiency of second box body 12.

In an optional embodiment, the first blind holes 8 are provided with a plurality of groups, the first heat-conducting silicone tubes 9 are provided with a plurality of groups, and the plurality of groups of first heat-conducting silicone tubes 9 correspond to the plurality of groups of first blind holes 8 one by one; the heat dissipation efficiency is improved.

In an optional embodiment, a plurality of groups of second blind holes 15 are provided, a plurality of groups of second heat-conducting silicone tubes 16 are provided, and the plurality of groups of second heat-conducting silicone tubes 16 correspond to the plurality of groups of second blind holes 15 one to one; the heat dissipation efficiency is improved.

In an alternative embodiment, the second heat-conducting silicone tube 16 is filled with the heat-conducting silicone grease 11; the heat dissipation efficiency is improved.

In an alternative embodiment, the wall of the air inlet hole 18 is provided with a filter screen 19; the dust is reduced.

In an optional embodiment, a second air duct 22 is disposed on the first heat dissipation box 5, an air inlet end of the second air duct 22 is connected to a wall of the air outlet hole 21, and an air outlet of the second air duct 22 faces to a middle position of the core limb 1; the air current enters the second air duct 22 from the first heat dissipation box 5, and then blows to the middle part of the core limb 1 from the second air duct 22, so that the heat dissipation efficiency of the core limb 1 is further improved.

It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the invention and are not to be construed as limiting the invention. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.

Claims (6)

1. A transformer iron core capable of efficiently dissipating heat is characterized by comprising an iron core column (1), an iron yoke (2), an upper fastening piece (3), a lower fastening piece (4), a first heat dissipation box (5), a second heat dissipation box (6), screws (7), a first heat-conducting silicone tube (9), a first box body (10), a second box body (12), a support column (13), a second heat-conducting silicone tube (16), a fan (17) and a first air pipe (20);

the iron yokes (2) are arranged in two groups, and the two groups of iron yokes (2) are respectively arranged at the upper end and the lower end of the iron core column (1); the two groups of upper fastening pieces (3) are respectively attached to two sides of the iron yoke (2) at the top of the iron core column (1), the two groups of upper fastening pieces (3) are vertically arranged at the bottom of the first heat dissipation box (5), and the first heat dissipation box (5) is positioned above the iron core column (1); the two groups of lower fastening pieces (4) are respectively attached to two sides of the iron yoke (2) at the bottom of the iron core column (1), the two groups of lower fastening pieces (4) are vertically arranged at the top of the second heat dissipation box (6), and the second heat dissipation box (6) is positioned below the iron core column (1); the iron yoke (2) is connected with the upper fastening piece (3) through a screw (7), and the iron yoke (2) is connected with the lower fastening piece (4) through the screw (7);

the iron core column (1) and the iron yoke (2) positioned above the iron core column (1) are provided with vertical and opposite first blind holes (8), and the first blind holes (8) form openings on the upper end surface of the iron yoke (2); the first heat-conducting silicone tube (9) is arranged in the first blind hole (8), the peripheral wall of the first heat-conducting silicone tube (9) is attached to the hole wall of the first blind hole (8), the top of the first heat-conducting silicone tube (9) penetrates through the bottom of the first heat dissipation box (5) and extends into the first box body (10), the bottom of the first heat-conducting silicone tube (9) is closed, the first box body (10) is vertically arranged on the inner side of the bottom of the first heat dissipation box (5), the upper side and the lower side of the first box body (10) are open, the upper end face of the first box body (10) is attached to the lower end face of the second box body (12), the second box body (12) is arranged on the inner side of the bottom of the first heat dissipation box (5) through a plurality of groups of support columns (13), transformer oil (14) is filled in the second box body (12), and the transformer oil (14) occupies two thirds of the volume of the cavity in the second box body (12); the first heat-conducting silicone tube (9) and the first box body (10) are filled with heat-conducting silicone grease (11), and the heat-conducting silicone grease (11) is attached to the lower end face of the second box body (12);

a second blind hole (15) which is vertical and opposite is formed in the iron core column (1) and the iron yoke (2) positioned at the bottom of the iron core column (1), and an opening is formed in the lower end face of the iron yoke (2) by the second blind hole (15); the second heat-conducting silicone tube (16) is arranged in the second blind hole (15), the peripheral wall of the second heat-conducting silicone tube (16) is attached to the wall of the second blind hole (15), the bottom of the second heat-conducting silicone tube (16) penetrates through the top of the second heat dissipation box (6) and extends into the second heat dissipation box (6), and the top and the bottom of the second heat-conducting silicone tube (16) are closed; the fan (17) is arranged on the inner wall of the right side of the second heat dissipation box (6), and an air inlet hole (18) is formed in the second heat dissipation box (6); the first air pipe (20) is vertically arranged at the top of the second heat dissipation box (6), the bottom of the first air pipe (20) is communicated with the inner cavity of the second heat dissipation box (6), the top of the first air pipe (20) is communicated with the inner cavity of the first heat dissipation box (5), and an air outlet (21) is formed in the first heat dissipation box (5).

2. The transformer core with efficient heat dissipation according to claim 1, wherein the first blind holes (8) are provided in multiple groups, the first heat-conducting silicone tubes (9) are provided in multiple groups, and the multiple groups of first heat-conducting silicone tubes (9) correspond to the multiple groups of first blind holes (8) one by one.

3. The transformer core with efficient heat dissipation according to claim 1, wherein the second blind holes (15) are provided in multiple groups, the second heat-conducting silicone tubes (16) are provided in multiple groups, and the multiple groups of second heat-conducting silicone tubes (16) correspond to the multiple groups of second blind holes (15) one to one.

4. The transformer core with efficient heat dissipation according to claim 1, wherein the second heat-conducting silicone tube (16) is filled with heat-conducting silicone grease (11).

5. The transformer core with high heat dissipation efficiency as recited in claim 1, wherein the wall of the air inlet hole (18) is provided with a filter screen (19).

6. The transformer core with efficient heat dissipation according to claim 1, wherein a second air duct (22) is disposed on the first heat dissipation box (5), an air inlet end of the second air duct (22) is connected to a wall of the air outlet hole (21), and an air outlet of the second air duct (22) faces to a middle position of the core limb (1).

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