CN213124080U

CN213124080U - Finned radiator oil circuit structure for transformer

Info

Publication number: CN213124080U
Application number: CN202022290092.5U
Authority: CN
Inventors: 张士云
Original assignee: Jiangsu Donghao Power Equipment Co ltd
Current assignee: Jiangsu Donghao Power Equipment Co ltd
Priority date: 2020-10-15
Filing date: 2020-10-15
Publication date: 2021-05-04
Anticipated expiration: 2030-10-15

Abstract

The utility model discloses a finned radiator oil circuit structure for a transformer, which comprises a transformer main body and an oil tank, wherein a groove is arranged on one side wall of the transformer main body, a plurality of radiating fins are arranged in the groove in order, a slot is arranged on one side of the middle position of the top of each radiating fin, a lug matched with the slot on the adjacent radiating fin is arranged on the other side of the radiating fin, and the plurality of radiating fins are buckled together through the slots and the lugs; first oil hole of walking has all been seted up to the top intermediate position department of every fin, first oil pipe's lower extreme equidistance is led and is equipped with a plurality of oil feeding ports that insert corresponding first oil feeding hole, and the bottom intermediate position department of every fin all is equipped with a plurality of oil extraction ports, the utility model discloses first oil pipe and the second of leading is led oil pipe and is fixed on the fin through the clamp, compares with the fixed welded structure of tradition, the utility model discloses fin, first oil pipe and the second of leading are led oil pipe and are all quick detachable, conveniently change and maintain it.

Description

Finned radiator oil circuit structure for transformer

Technical Field

The utility model discloses transformer radiator oil circuit technical field, concretely relates to finned radiator oil circuit structure for transformer.

Background

The finned radiator has the advantages of simple manufacture, convenient operation, safety, reliability and the like, and is widely applied to the oil-immersed transformer. In actual operation, each group of fin type radiators is formed by communicating a certain number of radiating fins with an upper oil collecting pipe and a lower oil collecting pipe. Each radiating fin is formed by welding two metal plates in a pressing mode, transformer oil is distributed to each radiating fin through an oil collecting pipe and flows from top to bottom through a vertical oil duct, and heat is continuously taken away from the outer side of each radiating fin through convection air.

According to the patent with the Chinese patent application number of CN201520797561.9, the finned radiator oil path structure for the transformer is disclosed, which relates to the field of power transformer manufacture, and comprises an oil tank and a finned radiator, wherein an upper oil collecting pipe and a lower oil collecting pipe of the finned radiator are arranged on two sides of the finned radiator, an inlet of the upper oil collecting pipe is connected to an outlet of the oil tank, and an outlet of the lower oil collecting pipe is connected to an inlet of the oil tank. The oil inlet and the oil outlet of the finned radiator are arranged on two sides, and the oil flow path inside the radiator is controlled, so that the oil flow distances among all radiating fins inside the radiator are the same, the oil paths inside the radiating fins are consistent, hot oil cannot flow back, and the cooling efficiency of the radiator is improved.

The above patents have disadvantages: the radiating fins, the upper oil collecting pipe and the lower oil collecting pipe are of welded structures, once one part is damaged, the whole radiating oil circuit cannot work, and once the whole radiating oil circuit needs to be replaced, the oil circuit structure of the finned radiator for the transformer is pushed out to solve the problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a gilled radiator oil circuit structure for 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: the finned radiator oil circuit structure for the transformer comprises a transformer main body and an oil tank, wherein the oil tank is arranged at the top of the transformer main body, a groove is formed in one side wall of the transformer main body, a plurality of radiating fins are arranged in the groove in order, an oil guide cavity is formed in each radiating fin, an oil outlet pipe is arranged at the upper end of one side of the oil tank, and an oil return pipe is arranged at the other side of the oil tank;

the cross section of each radiating fin is C-shaped, one side of the middle position of the top of each radiating fin is provided with a slot, the other side of each radiating fin is provided with a convex block matched with the slot on the adjacent radiating fin, and the plurality of radiating fins are buckled together through the slots and the convex blocks;

the middle positions of the tops of all the radiating fins are provided with first oil guide pipes, the middle positions of the lower ends of all the radiating fins are provided with second oil guide pipes, the oil outlet pipe is connected with the left end of the first oil guide pipe through a flange assembly, and the oil return pipe is connected with the second oil guide pipes through the flange assembly;

the top middle position department of every fin has all seted up first oil walking hole, the lower extreme equidistance of first oil pipe of leading is equipped with a plurality of oil walking ports that insert in corresponding first oil walking hole, and the bottom middle position department of every fin all is equipped with a plurality of oil extraction ports, the top equidistance of second oil pipe of leading has seted up a plurality of through-holes, and the grafting of a plurality of oil extraction port one-to-one is in the through-hole, first oil walking hole and oil walking port are the shoulder hole.

Preferably, the first oil guide pipe and the second oil guide pipe are fixed on the heat dissipation plate through a clamp and screws respectively.

Preferably, the bilateral symmetry of recess is equipped with the backup pad of welding in transformer main part, and the upper end symmetry between two backup pads runs through have two to hug closely the last spacing roller at all fin tops, and the lower extreme symmetry between two backup pads runs through has to hug closely the lower spacing roller of all fin lower extremes, the quantity of last spacing roller and lower spacing roller is two.

Preferably, lock nuts are screwed between the contact surfaces of the upper limiting roll shaft and the support plate and the contact surfaces of the lower limiting roll shaft and the support plate.

Preferably, one end of the first oil guide pipe, which is far away from the flange assembly, is a closed solid end, and one end of the second oil guide pipe, which is far away from the flange assembly, is also a closed solid end.

Preferably, a heat dissipation gap is arranged between every two adjacent heat dissipation fins, and the heat dissipation fins are copper structural fins.

The utility model discloses a technological effect and advantage: this finned radiator oil circuit structure for transformer, hot oil in the oil tank flows into in the first oil pipe through an oil pipe, can flow into respectively through a plurality of oil feed ports of first oil pipe lower extreme in the oil guide cavity of putting a plurality of fin, and after the heat absorption of fin, the temperature of hot oil reduces, flows into in the second oil pipe through the through-hole of every fin below, flows back to the incasement through the oil return pipe at last.

The utility model discloses a quick concatenation work of a plurality of fin can be realized to the slot and the lug that set up, leaves the radiating effect that the heat dissipation space can improve the fin between the fin, and first oil pipe and the second of leading are led oil pipe and are passed through the clamp and fix on the fin, compare with the fixed welded structure of tradition, the utility model discloses fin, first lead oil pipe and second lead oil pipe and all quick detachable, the convenience is changed and is maintained it.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic top view of the present invention;

FIG. 3 is a schematic side view of the present invention;

fig. 4 is an enlarged schematic view of the utility model at a in fig. 1;

fig. 5 is an enlarged schematic view of the position B in fig. 1 according to the present invention.

In the figure: 1. a transformer body; 2. an oil tank; 3. a groove; 4. a heat sink; 5. an oil guide cavity; 6. an oil outlet pipe; 7. an oil return pipe; 8. a slot; 9. a bump; 10. a first oil guide pipe; 11. a second oil guide pipe; 12. a flange assembly; 13. a first oil feed hole; 14. an oil feed port; 15. an oil discharge port; 16. a through hole; 17. clamping a hoop; 18. a support plate; 19. an upper limiting roll shaft; 20. a lower limiting roll shaft; 21. locking the nut; 22. a heat dissipation void.

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.

In the description of the present invention, unless otherwise specified, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", and the like, indicate orientations or state relationships based on the orientations or state relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that a designated mechanism or component must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

The utility model provides a gilled radiator oil circuit structure for transformer as shown in fig. 1-5, including transformer main part 1 and oil tank 2, the top of transformer main part 1 of 2 installations of oil tank, a lateral wall of transformer main part 1 is equipped with recess 3, neatly arranged has a plurality of fin 4 in the recess 3, every the inside oil guide cavity 5 that is equipped with of fin 4, one side upper end of oil tank 2 is equipped with out oil pipe 6, the opposite side of oil tank 2 is equipped with back oil pipe 7.

The cross section of each radiating fin 4 is C-shaped, one side of the middle position of the top of each radiating fin 4 is provided with a slot 8, the other side of each radiating fin 4 is provided with a lug 9 matched with the slot 8 on the adjacent radiating fin 4, the plurality of radiating fins 4 are buckled with the lug 9 through the slots 8, a radiating gap 22 is arranged between the adjacent radiating fins 4, each radiating fin 4 is a copper structure fin, and the radiating gap 22 is reserved between the radiating fins 4 to improve the radiating effect of the radiating fins 4.

The slot 8 and the lug 9 of setting can realize the quick concatenation work of a plurality of fin 4, and first oil pipe 10 and the second of leading is led oil pipe 11 and is fixed on fin 4 through clamp 17, compares with the fixed welded structure of tradition, the utility model discloses fin 4, first lead oil pipe 10 and the second lead oil pipe 11 and all quick detachable, conveniently change and maintain it.

The top intermediate position department of all fin 4 is equipped with first oil pipe 10, and the lower extreme intermediate position department of all fin 4 is equipped with second oil pipe 11, oil pipe 6 connects through flange subassembly 12 and the first left end of leading oil pipe 10, return oil pipe 7 and lead oil pipe 11 through flange subassembly 12 and second and be connected, the one end that flange subassembly 12 was kept away from to first oil pipe 10 is for closing real end, the one end that flange subassembly 12 was kept away from to second oil pipe 11 is for also closing real end.

The top intermediate position department of every fin 4 has all seted up first oil feed hole 13, the lower extreme equidistance of first oil pipe 10 is equipped with a plurality of oil feed ports 14 that insert in corresponding first oil feed hole 13, and the bottom intermediate position department of every fin 4 all is equipped with a plurality of oil drain port 15, the top equidistance of second oil pipe 11 has seted up a plurality of through-holes 16, and the grafting of a plurality of oil drain port 15 one-to-one is in through-hole 16, first oil feed hole 13 and oil feed port 14 are the shoulder hole, and first oil feed hole 13 and oil feed port 14 set to the echelonment, avoid leading the oil in-process oil leak to appear.

The first oil guide pipe 10 and the second oil guide pipe 11 are fixed on the radiating fin 4 through a clamp 17 and screws respectively, and the clamp 17 is arranged to fix the first oil guide pipe 10 and the second oil guide pipe 11.

The bilateral symmetry of recess 3 is equipped with the backup pad 18 of welding on transformer body 1, and the upper end symmetry between two backup pads 18 runs through have two to hug closely the upper limit roller 19 at all fin 4 tops, and the lower extreme symmetry between two backup pads 18 runs through has the lower limit roller 20 of hugging closely all fin 4 lower extremes, the quantity of going up limit roller 19 and lower limit roller 20 is two, it has lock nut 21 to screw between the contact surface of going up limit roller 19 and lower limit roller 20 and backup pad 18, and this sets up upper limit roller 19 and lower limit roller 20 and is used for supporting spacing work to fin 4.

When the oil cooling device is used specifically, hot oil in the oil tank 2 flows into the first oil guide pipe 10 through the oil outlet pipe 6, can respectively flow into the oil guide cavities 5 provided with the plurality of radiating fins 4 through the plurality of oil feeding ports 14 at the lower end of the first oil guide pipe 10, is subjected to heat absorption by the radiating fins 4, is reduced in temperature, flows into the second oil guide pipe 11 through the through holes 16 below each radiating fin 4, and finally flows back into the oil tank 2 through the oil return pipe 7.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

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. Gilled radiator oil circuit structure for transformer, including transformer main part (1) and oil tank (2), the top of transformer main part (1) of oil tank (2) installation, its characterized in that: a groove (3) is formed in one side wall of the transformer main body (1), a plurality of radiating fins (4) are arranged in the groove (3) in order, an oil guide cavity (5) is formed in each radiating fin (4), an oil outlet pipe (6) is arranged at the upper end of one side of the oil tank (2), and an oil return pipe (7) is arranged at the other side of the oil tank (2);

the cross section of each radiating fin (4) is C-shaped, one side of the middle position of the top of each radiating fin (4) is provided with a slot (8), the other side of each radiating fin is provided with a convex block (9) matched with the slots (8) on the adjacent radiating fins (4), and the plurality of radiating fins (4) are buckled together through the slots (8) and the convex blocks (9);

a first oil guide pipe (10) is arranged in the middle of the top of each cooling fin (4), a second oil guide pipe (11) is arranged in the middle of the lower end of each cooling fin (4), the oil outlet pipe (6) is connected with the left end of the first oil guide pipe (10) through a flange component (12), and the oil return pipe (7) is connected with the second oil guide pipe (11) through the flange component (12);

first oil feed hole (13) have all been seted up to the top intermediate position department of every fin (4), the lower extreme equidistance of first oil pipe (10) of leading is equipped with a plurality of oil feed ports (14) that insert in corresponding first oil feed hole (13), and the bottom intermediate position department of every fin (4) all is equipped with a plurality of oil extraction ports (15), the top equidistance of second oil pipe (11) of leading has seted up a plurality of through-holes (16), and the grafting of a plurality of oil extraction ports (15) one-to-one is in through-hole (16), first oil feed hole (13) and oil feed port (14) are the shoulder hole.

2. The finned radiator oil circuit structure for a transformer according to claim 1, characterized in that: the first oil guide pipe (10) and the second oil guide pipe (11) are fixed on the radiating fins (4) through clamps (17) and screws respectively.

3. The finned radiator oil circuit structure for a transformer according to claim 1, characterized in that: the bilateral symmetry of recess (3) is equipped with backup pad (18) of welding on transformer main part (1), and the upper end symmetry between two backup pads (18) run through have two hug closely last spacing roller (19) at all fin (4) tops, and the lower extreme symmetry runs through between two backup pads (18) have hug closely lower spacing roller (20) of all fin (4) lower extreme, the quantity of going up spacing roller (19) and lower spacing roller (20) is two.

4. The finned radiator oil circuit structure for a transformer according to claim 3, characterized in that: and a locking nut (21) is screwed between the contact surfaces of the upper limiting roll shaft (19) and the lower limiting roll shaft (20) and the support plate (18).

5. The finned radiator oil circuit structure for a transformer according to claim 1, characterized in that: the end, far away from the flange component (12), of the first oil guide pipe (10) is a closed solid end, and the end, far away from the flange component (12), of the second oil guide pipe (11) is also a closed solid end.

6. The finned radiator oil circuit structure for a transformer according to claim 1, characterized in that: and a heat dissipation gap (22) is arranged between every two adjacent heat dissipation fins (4), and each heat dissipation fin (4) is a copper structural fin.