CN216902469U - Oil-immersed transformer heat abstractor - Google Patents

Oil-immersed transformer heat abstractor Download PDF

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Publication number
CN216902469U
CN216902469U CN202220031930.3U CN202220031930U CN216902469U CN 216902469 U CN216902469 U CN 216902469U CN 202220031930 U CN202220031930 U CN 202220031930U CN 216902469 U CN216902469 U CN 216902469U
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China
Prior art keywords
oil
immersed transformer
heat dissipation
fixing box
transformer body
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CN202220031930.3U
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Chinese (zh)
Inventor
徐长法
魏淑彬
张立元
唐传龙
魏俊峰
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Shandong Tebian Electric Power Equipment Co ltd
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Shandong Tebian Electric Power Equipment Co ltd
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Abstract

The utility model discloses a heat dissipation device of an oil-immersed transformer, and belongs to the field of heat dissipation of oil-immersed transformers. A heat dissipation device of an oil-immersed transformer comprises an oil-immersed transformer body, wherein a first fixing box and a second fixing box are fixedly mounted on one side of the oil-immersed transformer body, the top of the first fixing box is fixedly connected with a circulating pump, the input end of the circulating pump penetrates through one side of the oil-immersed transformer body, a first rotating rod is rotatably connected to one side of the first fixing box, a blade is fixedly connected to the surface of the first rotating rod, and a cooling pipe penetrates through the bottom of the first fixing box; according to the utility model, by arranging the blades, the cooling pipe and the fan blades, the device realizes a good heat dissipation effect under the condition that the original heat dissipation structure in the oil-immersed transformer body is not changed, and only when the temperature in the oil-immersed transformer body is overhigh, the heat dissipation is realized, and the power loss of the outer wall heat dissipation cooling mechanism is reduced.

Description

Oil-immersed transformer heat abstractor
Technical Field
The utility model relates to the technical field of heat dissipation of oil-immersed transformers, in particular to a heat dissipation device of an oil-immersed transformer.
Background
In the existing power supply system, the transformer generally adopts an oil-immersed transformer, and the oil-immersed transformer mainly comprises an iron core, a winding, an oil tank, a radiating fin, an oil conservator and the like, and has a good radiating effect.
However, although the existing oil-immersed transformer has a good heat dissipation effect, the time for achieving the best heat dissipation effect is short, because the oil circulation of the internal transformer is poor, the heat in the transformer oil is dissipated only through the heat dissipation fins, the transformer oil and the heat dissipation fins cannot be in full contact, the heat dissipation efficiency is low, and the internal temperature of the transformer is still too high under the condition of long-time use, so that the service life of the transformer is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the problem that the heat dissipation effect is poor under the condition of long-time use in the prior art, and provides a heat dissipation device for an oil-immersed transformer.
In order to achieve the purpose, the utility model adopts the following technical scheme:
a heat dissipation device of an oil-immersed transformer comprises an oil-immersed transformer body, wherein a first fixing box and a second fixing box are fixedly installed on one side of the oil-immersed transformer body, a circulating pump is fixedly connected to the top of the first fixing box, the input end of the circulating pump penetrates through one side of the oil-immersed transformer body, a first rotating rod is rotatably connected to one side of the first fixing box, blades are fixedly connected to the surface of the first rotating rod, a cooling pipe is installed at the bottom of the first fixing box in a penetrating mode, the bottom end of the cooling pipe penetrates through the top of the second fixing box, a second rotating rod is rotatably connected to one side of the second fixing box through a support frame, a first bevel gear is fixedly connected to one end of the second rotating rod and one end of the first rotating rod, a fan blade is fixedly connected to one end of the second rotating rod, and a connecting rod is rotatably connected to one side of the oil-immersed transformer body through a supporting rod, the oil immersed transformer is characterized in that two second bevel gears are fixedly mounted at the top end and the bottom end of the connecting rod respectively and are meshed with the two first bevel gears respectively, a communicating pipe is installed on one side of the second fixing box in a penetrating mode, and one end of the communicating pipe penetrates through the bottom of one side of the oil immersed transformer body.
In order to realize filtering, preferably, a mounting plate is installed at the top of the communicating pipe in a penetrating manner, and a filter screen is arranged inside the mounting plate.
In order to realize temperature identification, preferably, a temperature sensor is fixedly mounted on the top surface of the inner wall of the oil-immersed transformer body.
In order to realize heat dissipation, preferably, the number of the blades is multiple, and the multiple blades are distributed on the surface of the first rotating rod at equal intervals.
In order to further realize heat dissipation, preferably, the cooling pipes are metal copper pipes, and the number of the cooling pipes is multiple.
In order to realize sealing, an oil seal is preferably arranged at the joint of the first rotating rod and the first fixed box.
Compared with the prior art, the utility model provides an oil-immersed transformer heat dissipation device, which has the following beneficial effects:
the oil-immersed transformer heat dissipation device achieves good heat dissipation effect under the condition that an original heat dissipation structure in an oil-immersed transformer body is not changed by arranging the structural components such as the blades, the cooling pipe and the fan blades, achieves heat dissipation only when the temperature in the oil-immersed transformer body is overhigh, reduces power loss of an outer wall heat dissipation cooling mechanism, starts to work when a temperature sensor in the oil-immersed transformer body detects that the temperature of transformer oil is overhigh and exceeds a set value during use, sucks hot oil on the top of the oil-immersed transformer body by utilizing the principle that the hot oil floats in cold oil, enters the inside of a first fixed box, when the transformer oil passes through the cooling pipe with a small diameter, liquid is fully contacted with the inner wall of the cooling pipe, so that heat in the transformer oil is spread into the air, and when the transformer oil passes through the inside of the first fixed box, the blades are brushed under the action of gravity, so that the blades are overturned, the first rotating rod is driven to rotate, cold air is blown out, the air circulation outside the cooling pipe is accelerated, and the heat dissipation effect is improved.
The device has the advantages that the structure is ingenious, the manufacturing cost is low, the device is suitable for mass production, impurities in transformer oil can be filtered, the good heat dissipation effect is achieved, heat dissipation is achieved only when the temperature inside the oil-immersed transformer body is too high, and the power loss of the outer wall heat dissipation cooling mechanism is reduced.
Drawings
Fig. 1 is a schematic view of a partial cross-sectional structure of a front view of a heat dissipation device for an oil-immersed transformer according to the present invention;
fig. 2 is a schematic structural diagram of a front view of a heat dissipation device for an oil-immersed transformer according to the present invention;
fig. 3 is a schematic diagram of a partially enlarged structure at a position a in fig. 1 of a heat dissipation device for an oil-immersed transformer according to the present invention.
In the figure: 1. an oil-immersed transformer body; 2. a circulation pump; 3. a first stationary box; 4. a first rotating lever; 5. a blade; 6. a cooling tube; 7. a second stationary box; 8. a second rotating lever; 9. a first bevel gear; 10. a connecting rod; 11. a second bevel gear; 12. a communicating pipe; 13. mounting a plate; 1301. filtering with a screen; 14. a temperature sensor; 15. a fan blade.
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.
Example (b):
referring to fig. 1-3, a heat dissipation device for an oil-immersed transformer comprises an oil-immersed transformer body 1, a first fixing box 3 and a second fixing box 7 are fixedly installed on one side of the oil-immersed transformer body 1, a circulating pump 2 is fixedly connected to the top of the first fixing box 3, an input end of the circulating pump 2 penetrates through one side of the oil-immersed transformer body 1, a first rotating rod 4 is rotatably connected to one side of the first fixing box 3, a blade 5 is fixedly connected to the surface of the first rotating rod 4, a cooling tube 6 is fixedly installed at the bottom of the first fixing box 3, a bottom end of the cooling tube 6 penetrates through the top of the second fixing box 7, a second rotating rod 8 is rotatably connected to one side of the second fixing box 7 through a support frame, a first bevel gear 9 is fixedly connected to one end of the second rotating rod 8 and one end of the first rotating rod 4, and a fan blade 15 is fixedly connected to one end of the second rotating rod 8, one side of oil-immersed transformer body 1 rotates through the bracing piece and is connected with connecting rod 10, and the equal fixed mounting in top and the bottom of connecting rod 10 has second bevel gear 11, and two second bevel gears 11 mesh with two first bevel gears 9 respectively, and one side of the fixed case 7 of second runs through and installs communicating pipe 12, and the bottom of one side of oil-immersed transformer body 1 is run through to the one end of communicating pipe 12.
Specifically, the top of communicating pipe 12 is run through and is installed mounting panel 13, and the inside of mounting panel 13 is equipped with filter screen 1301 to impurity in for transformer oil filters, because transformer oil uses down for a long time, and some metallic impurity can be stained with to inside unavoidably, influences transformer oil's insulating nature, and mounting panel 13 in this device dismantles the maintenance easily.
Specifically, top surface fixed mounting of 1 inner wall of oil-immersed transformer body has temperature sensor 14, and this device structure is ingenious, under the condition that does not change 1 inside heat radiation structure originally of oil-immersed transformer body, only when 1 inside high temperature of oil-immersed transformer body, thereby realize the heat dissipation, reduce outer wall heat dissipation cooling body's power loss, when the temperature sensor 14 of 1 inside of oil-immersed transformer body detected transformer oil temperature when too high surpassing the setting value during the use, circulating pump 2 began to work.
Specifically, the quantity of blade 5 is the multi-disc, and multi-disc blade 5 is equidistant distribution at the surface of first pivot pole 4, and circulating pump 2's output is located blade 5 directly over, when the inside of the first fixed case 3 of transformer oil route, brushes blade 5 under the effect of gravity for blade 5 overturns, thereby drives first pivot pole 4 rotatory, blows out cold wind, accelerates the outside circulation of air of cooling tube 6, thereby increases the radiating effect.
Specifically, cooling tube 6 is copper metal pipe, and the quantity of cooling tube 6 is many, and the aperture of cooling tube 6 is less to make transformer oil and the inner wall of cooling tube 6 fully contact, increase the cooling effect.
Specifically, the junction of first rotation pole 4 and first fixed case 3 is equipped with the oil blanket to increase sealed effect, prevent the weeping.
In the utility model, the device has a smart structure, under the condition of not changing the original heat dissipation structure in the oil-immersed transformer body 1, the heat dissipation is realized only when the temperature in the oil-immersed transformer body 1 is overhigh, the power loss of the outer wall heat dissipation cooling mechanism is reduced, when the temperature sensor 14 in the oil-immersed transformer body 1 detects that the temperature of the transformer oil is overhigh and exceeds a set value during use, the circulating pump 2 starts to work, the hot oil on the top of the oil-immersed transformer body 1 is absorbed by utilizing the principle that the hot oil floats in cold oil and enters the inside of the first fixed tank 3, when the transformer oil passes through the cooling pipe 6 with a smaller diameter, the liquid is fully contacted with the inner wall of the cooling pipe 6, so that the heat in the transformer oil is transmitted to the air, and when the transformer oil passes through the inside of the first fixed tank 3, the blades 5 are brushed under the action of gravity, make 5 upsets of blade to drive first rotor rod 4 rotatory, blow out cold wind for the outside circulation of air of cooling tube 6 increases the radiating effect, and for prior art, this device structure is ingenious, and preparation low cost is fit for the volume production.
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 to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims (6)

1. The oil-immersed transformer heat dissipation device comprises an oil-immersed transformer body (1) and is characterized in that a first fixing box (3) and a second fixing box (7) are fixedly installed on one side of the oil-immersed transformer body (1), a circulating pump (2) is fixedly connected to the top of the first fixing box (3), the input end of the circulating pump (2) penetrates through one side of the oil-immersed transformer body (1), a first rotating rod (4) is rotatably connected to one side of the first fixing box (3), blades (5) are fixedly connected to the surface of the first rotating rod (4), a cooling pipe (6) is mounted at the bottom of the first fixing box (3) in a penetrating mode, the bottom end of the cooling pipe (6) penetrates through the top of the second fixing box (7), a second rotating rod (8) is rotatably connected to one side of the second fixing box (7) through a support frame, the one end of second dwang (8) with the first bevel gear of the equal fixedly connected with of one end (9) of first dwang (4), and the one end fixedly connected with fan blade (15) of second dwang (8), one side of oil-immersed transformer body (1) is rotated through the bracing piece and is connected with connecting rod (10), the top and the equal fixed mounting in bottom of connecting rod (10) have second bevel gear (11), two second bevel gear (11) respectively with two first bevel gear (9) meshing, and one side of second stationary box (7) runs through and installs communicating pipe (12), the one end of communicating pipe (12) runs through the bottom of oil-immersed transformer body (1) one side.
2. An oil-immersed transformer heat dissipation device according to claim 1, wherein a mounting plate (13) is installed at the top of the communication pipe (12) in a penetrating manner, and a filter screen (1301) is arranged inside the mounting plate (13).
3. The oil-filled transformer heat dissipation device according to claim 1, wherein a temperature sensor (14) is fixedly mounted on the top surface of the inner wall of the oil-filled transformer body (1).
4. Oil-immersed transformer heat abstractor according to claim 1, characterized in that, the quantity of blade (5) is the multichip, and the multichip blade (5) is at the equidistant distribution of first rotor pole (4) surface.
5. Oil-filled transformer heat dissipation device according to claim 1, wherein the cooling tubes (6) are copper metal tubes, and the number of the cooling tubes (6) is multiple.
6. The oil-filled transformer heat dissipation device according to claim 1, wherein an oil seal is arranged at the joint of the first rotating rod (4) and the first fixed tank (3).
CN202220031930.3U 2022-01-07 2022-01-07 Oil-immersed transformer heat abstractor Active CN216902469U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202220031930.3U CN216902469U (en) 2022-01-07 2022-01-07 Oil-immersed transformer heat abstractor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202220031930.3U CN216902469U (en) 2022-01-07 2022-01-07 Oil-immersed transformer heat abstractor

Publications (1)

Publication Number Publication Date
CN216902469U true CN216902469U (en) 2022-07-05

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115985635A (en) * 2023-03-17 2023-04-18 恒正电气集团有限公司 High-efficiency energy-saving distribution transformer

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115985635A (en) * 2023-03-17 2023-04-18 恒正电气集团有限公司 High-efficiency energy-saving distribution transformer
CN115985635B (en) * 2023-03-17 2023-05-23 恒正电气集团有限公司 High-efficiency energy-saving distribution transformer

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