CN210403441U - Oil-immersed transformer with built-in gas circulation cooling device - Google Patents
Oil-immersed transformer with built-in gas circulation cooling device Download PDFInfo
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- CN210403441U CN210403441U CN201921970425.XU CN201921970425U CN210403441U CN 210403441 U CN210403441 U CN 210403441U CN 201921970425 U CN201921970425 U CN 201921970425U CN 210403441 U CN210403441 U CN 210403441U
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Abstract
The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer of built-in gaseous circulation heat sink, including the oil-immersed transformer body, the upper portion of oil-immersed transformer body is provided with the oil tank, and the bottom surface of oil tank is provided with the connecting seat, and the connecting seat overlap joint is on the top surface of oil-immersed transformer body, and is provided with the inclined supporting board between the bottom surface of connecting seat and the curb plate of oil-immersed transformer body, and the inside of oil tank is provided with the inner tube, is provided with the heat conduction pole on the outer wall of inner tube, and the heat conduction pole runs through the outer wall setting of oil tank, and is; the beneficial effects are that: the utility model provides an oil-immersed transformer of built-in gaseous circulation heat sink adds inside the oil tank and establishes the inner tube and hold the oil body, and the oil tank protects the inner tube, and the loop configuration's that constitutes between oil tank and the inner tube both ends are dredged through the convection current wind hole, and the cooperation exhaust fan forms gaseous circulation, is convenient for dispel the heat to the inner tube outer wall.
Description
Technical Field
The utility model relates to a relevant technical field of oil-immersed transformer specifically is an oil-immersed transformer of built-in gaseous circulation heat sink.
Background
The oil immersed transformer needs an oil tank, transformer oil is filled in the oil immersed transformer and is important power for the operation of the transformer, the oil tank of the oil immersed transformer is the most important part of the transformer, the functions of the oil immersed transformer are not few, according to the principle of upward heat flow and downward cold flow, hot oil returns to the oil tank after the transformer oil is heated, and cold oil in the oil tank is injected into the transformer downwards, so that the heat of a transformer winding is circulated, and the service life of the transformer is prolonged;
in the prior art, the tank body of the oil tank is exposed outside, and the tank body is sunken after being collided, so that the oil pressure in the oil tank can be influenced, and the oil tank is broken to cause oil leakage in severe cases; the traditional oil tank has poor heat dissipation effect; therefore, the utility model provides an oil-immersed transformer of built-in gas circulation heat sink is used for solving above-mentioned problem.
Disclosure of Invention
An object of the utility model is to provide an oil-immersed transformer of built-in gas circulation heat sink 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: an oil-immersed transformer with a built-in gas circulation cooling device comprises an oil-immersed transformer body, an oil tank is arranged at the upper part of the oil-immersed transformer body, a connecting seat is arranged at the bottom surface of the oil tank and is lapped on the top surface of the oil-immersed transformer body, and an inclined supporting plate is arranged between the bottom surface of the connecting seat and the side plate of the oil-immersed transformer body, an inner cylinder is arranged inside the oil tank, the outer wall of the inner cylinder is provided with a heat conducting rod which penetrates through the outer wall of the oil tank, and be provided with radiating fin on the terminal surface of heat conduction pole, and be provided with the oil filler pipe on the outer wall of inner tube, the oil filler pipe runs through the outer wall setting of oil tank, has seted up the convection current wind hole on the outer wall of oil tank, is provided with the protection screen panel on the outer wall of oil tank, and is provided with the mounting bracket on the outer wall of oil tank, the surface mounting of mounting bracket has the exhaust fan.
Preferably, the connecting seats are of a trapezoidal plate-shaped structure, the bottom surfaces of the connecting seats are provided with lap joint grooves, the lap joint grooves are buckled on the edge of the top surface of the oil-immersed transformer body, the two connecting seats are arranged, and the two connecting seats are symmetrically distributed about the center of the long edge of the oil tank.
Preferably, the heat conduction pole is circular cylinder structure, and the heat conduction pole is provided with the multiunit, and the multiunit heat conduction pole arranges the distribution along the long limit of inner tube, and every group heat conduction pole is provided with a plurality ofly, and a plurality of heat conduction poles are the circumference and arrange on the outer wall of inner tube, and radiating fin is "ten" font platelike structure.
Preferably, the protection mesh enclosure and the mounting rack are both circular frame structures, and the protection mesh enclosure and the mounting rack are respectively distributed on two circular plate end faces of the oil tank.
Preferably, the convection air holes are of a round hole structure and are located in an area between the oil tank and the inner barrel, the convection air holes are arranged in two groups, the two groups of convection air holes are respectively distributed on two round plates of the oil tank, each group of convection air holes is provided with a plurality of convection air holes, and the convection air holes are circumferentially arranged on the round plates of the oil tank.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the oil-immersed transformer with the built-in gas circulation cooling device provided by the utility model is additionally provided with the inner cylinder for containing oil bodies inside the oil tank, the oil tank protects the inner cylinder, and the two ends of the annular structure formed between the oil tank and the inner cylinder are communicated through the convection wind holes and form gas circulation by being matched with the exhaust fan, so that the heat dissipation of the outer wall of the inner cylinder is facilitated;
2. the utility model provides a heat conduction pole pegs graft on inner tube outer wall of oil-immersed transformer of built-in gaseous circulation heat sink, the heat conduction pole runs through the oil tank setting, is convenient for lead the inner tube oil temperature outward to add at heat conduction rod tip and establish radiating fin, promote the radiating effect of heat conduction pole, and the surface of heat conduction pole is blown to the convection current between oil tank and the inner tube, is convenient for cool down to heat conduction pole.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the connection structure between the fuel tank and the inner cylinder of the present invention;
fig. 3 is a schematic view of the connection structure of the heat conducting rod and the heat dissipating fins of the present invention.
In the figure: the oil immersed transformer comprises an oil immersed transformer body 1, an oil tank 2, a connecting seat 3, an inclined supporting plate 4, an inner cylinder 5, a heat conducting rod 6, a radiating fin 7, an oil filling pipe 8, a convection air hole 9, a protective mesh enclosure 10, a mounting frame 11 and an exhaust fan 12.
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.
Referring to fig. 1 to 3, the present invention provides a technical solution: an oil-immersed transformer with a built-in gas circulation cooling device comprises an oil-immersed transformer body 1, an oil tank 2 is arranged at the upper part of the oil-immersed transformer body 1, a connecting seat 3 is welded at the bottom surface of the oil tank 2, the connecting seat 3 is lapped on the top surface of the oil-immersed transformer body 1, the lapping part is welded and fixed, the connecting seat 3 is in a trapezoidal plate-shaped structure, a lapping groove is arranged at the bottom surface of the connecting seat 3 and is buckled at the edge of the top surface of the oil-immersed transformer body 1, and two connecting seats 3 are arranged, the two connecting seats 3 are symmetrically distributed about the center of the long side of the oil tank 2, an inclined supporting plate 4 is welded between the bottom surface of the connecting seat 3 and a side plate of the oil-immersed transformer body 1, the connecting seat 3 arranged at the lower part of the oil tank 2 is lapped on the top of the oil-immersed transformer body 1, and the inclined supporting plate 4 is additionally arranged at the bottom of the connecting seat 3 for supporting, so that the installation stability of the oil tank 2 is improved;
an inner cylinder 5 is welded inside an oil tank 2, heat conducting rods 6 are welded on the outer wall of the inner cylinder 5, the heat conducting rods 6 penetrate through the outer wall of the oil tank 2, heat radiating fins 7 are welded on the end face of each heat conducting rod 6, each heat conducting rod 6 is of a circular cylinder structure, a plurality of groups of heat conducting rods 6 are distributed along the long edge of each inner cylinder 5 in an arrayed mode, a plurality of heat conducting rods 6 are arranged on the outer wall of each inner cylinder 5 in a circumferential mode, each heat radiating fin 7 is of a cross-shaped plate-shaped structure, each heat conducting rod 6 is inserted into each inner cylinder 5 and contacts with oil bodies, the heat conducting rods 6 conduct the temperature of the oil bodies outwards, the heat radiating fins 7 at the end portions of the heat conducting rods 6 increase the heat conducting rods 6 to obtain heat radiating areas, and the heat radiating;
and the outer wall of the inner cylinder 5 is welded with an oil filling pipe 8, the oil filling pipe 8 is arranged by penetrating through the outer wall of the oil tank 2, the outer wall of the oil tank 2 is provided with two groups of convection air holes 9, the convection air holes 9 are in a circular hole-shaped structure, the convection air holes 9 are positioned in the area between the oil tank 2 and the inner cylinder 5, the two groups of convection air holes 9 are respectively distributed on two circular plates of the oil tank 2, each group of convection air holes 9 is provided with a plurality of convection air holes 9, the convection air holes 9 are arranged on the circular plates of the oil tank 2 in a circumferential shape, the outer wall of the oil tank 2 is welded with a protective mesh enclosure 10, the outer wall of the oil tank 2 is welded with a mounting rack 11, the surface of the mounting rack 11 is provided with an exhaust fan 12, the protective mesh enclosure 10 and the mounting rack 11 are both in a circular frame structure, the protective mesh enclosure 10 and the mounting rack 11 are respectively distributed on, the annular space convection current of being convenient for opens exhaust fan 12 after, promotes the inside velocity of flow of annular space, realizes 5 outer wall radiating effects of inner tube, and the air current in the annular space blows the surface of heat conduction pole 6, promotes the cooling effect to heat conduction pole 6, and protection screen panel 10 and mounting bracket 11 protect on the both ends plectane of oil tank 2, avoid 2 tip of oil tank to be collided.
The working principle is as follows: in actual operation, the connecting base 3 arranged at the lower part of the oil tank 2 is lapped on the top of the oil-immersed transformer body 1, the bottom of the connecting seat 3 is additionally provided with an inclined supporting plate 4 for supporting, so that the installation stability of the oil tank 2 is improved, the heat conducting rod 6 is inserted in the inner cylinder 5 and is contacted with an oil body, the temperature of the oil body is conducted outside by the heat conducting rod 6, the heat radiating area of the heat conducting rod 6 is increased by the heat radiating fins 7 at the end part of the heat conducting rod 6, the heat radiating effect of the heat conducting rod 6 is improved, and two groups of convection wind holes 9 are communicated with the annular space between the oil tank 2 and the inner cylinder 5, which is convenient for the convection of the annular space, after the exhaust fan 12 is started, the flow velocity in the annular space is improved, the heat dissipation effect on the outer wall of the inner cylinder 5 is realized, and the air flow in the annular space blows the surface of the heat conducting rod 6, the cooling effect on the heat conducting rod 6 is improved, and the protective net cover 10 and the mounting rack 11 are protected on the circular plates at the two ends of the oil tank 2, so that the end part of the oil tank 2 is prevented from being collided.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an oil-immersed transformer of built-in gaseous circulation heat sink, includes oil-immersed transformer body (1), its characterized in that: an oil tank (2) is arranged on the upper portion of the oil immersed transformer body (1), a connecting seat (3) is arranged on the bottom surface of the oil tank (2), the connecting seat (3) is lapped on the top surface of the oil immersed transformer body (1), an inclined supporting plate (4) is arranged between the bottom surface of the connecting seat (3) and a side plate of the oil immersed transformer body (1), an inner cylinder (5) is arranged inside the oil tank (2), a heat conducting rod (6) is arranged on the outer wall of the inner cylinder (5), the heat conducting rod (6) penetrates through the outer wall of the oil tank (2), a radiating fin (7) is arranged on the end surface of the heat conducting rod (6), an oil filling pipe (8) is arranged on the outer wall of the inner cylinder (5), the oil filling pipe (8) penetrates through the outer wall of the oil tank (2), a convection air hole (9) is formed in the outer wall of the oil tank (2), and a protective mesh, and the outer wall of the oil tank (2) is provided with a mounting rack (11), and the surface of the mounting rack (11) is provided with an exhaust fan (12).
2. The oil-immersed transformer with the built-in gas circulation cooling device according to claim 1, wherein: the connecting seat (3) is of a trapezoidal plate-shaped structure, the bottom surface of the connecting seat (3) is provided with two lap joint grooves, the lap joint grooves are buckled on the edge of the top surface of the oil-immersed transformer body (1), and the two connecting seats (3) are symmetrically distributed about the center of the long edge of the oil tank (2).
3. The oil-immersed transformer with the built-in gas circulation cooling device according to claim 1, wherein: the heat conducting rods (6) are of circular cylinder structures, multiple groups of heat conducting rods (6) are arranged on the long sides of the inner barrel (5), multiple groups of heat conducting rods (6) are distributed along the long sides of the inner barrel (5), each group of heat conducting rods (6) is provided with multiple heat conducting rods, the multiple heat conducting rods (6) are arranged on the outer wall of the inner barrel (5) in a circumferential mode, and the heat radiating fins (7) are of cross-shaped plate structures.
4. The oil-immersed transformer with the built-in gas circulation cooling device according to claim 1, wherein: the oil tank protection device is characterized in that the protection mesh enclosure (10) and the mounting rack (11) are both circular frame structures, and the protection mesh enclosure (10) and the mounting rack (11) are respectively distributed on two circular plate end faces of the oil tank (2).
5. The oil-immersed transformer with the built-in gas circulation cooling device according to claim 1, wherein: convection current wind hole (9) are round hole shape structure, and convection current wind hole (9) are in the region between oil tank (2) and inner tube (5), and convection current wind hole (9) are provided with two sets ofly, and two sets of convection current wind holes (9) distribute respectively on two plectanes of oil tank (2), and every group is provided with a plurality ofly to convection current wind hole (9), and a plurality of convection current wind holes (9) are the circumference and arrange on the plectane of oil tank (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970425.XU CN210403441U (en) | 2019-11-15 | 2019-11-15 | Oil-immersed transformer with built-in gas circulation cooling device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921970425.XU CN210403441U (en) | 2019-11-15 | 2019-11-15 | Oil-immersed transformer with built-in gas circulation cooling device |
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| Publication Number | Publication Date |
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| CN210403441U true CN210403441U (en) | 2020-04-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201921970425.XU Active CN210403441U (en) | 2019-11-15 | 2019-11-15 | Oil-immersed transformer with built-in gas circulation cooling device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729608A (en) * | 2020-12-21 | 2021-04-30 | 浙江辉煌集团有限公司 | Temperature measuring device for transformer |
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2019
- 2019-11-15 CN CN201921970425.XU patent/CN210403441U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112729608A (en) * | 2020-12-21 | 2021-04-30 | 浙江辉煌集团有限公司 | Temperature measuring device for transformer |
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