CN117038275A

CN117038275A - Oil immersed power transformer

Info

Publication number: CN117038275A
Application number: CN202311139876.XA
Authority: CN
Inventors: 宫小宇; 周靖松; 余辉宗
Original assignee: Individual
Current assignee: Individual
Priority date: 2023-09-06
Filing date: 2023-09-06
Publication date: 2023-11-10

Abstract

The invention relates to the technical field of transformers, and discloses an oil-immersed power transformer, which comprises: the transformer main body mechanism, the bottom of transformer main body mechanism is provided with the dampproofing mechanism of lifting, the bottom of dampproofing mechanism of lifting is provided with bears the mechanism, one side of transformer main body mechanism is provided with drainage mechanism, and the opposite side of transformer main body mechanism is provided with backward flow mechanism, bear the bottom of mechanism and be provided with interior heat transfer mechanism, and heat transfer mechanism is located the below of transformer main body mechanism, the bottom of heat transfer mechanism is provided with underground heat transfer mechanism, the surface of underground heat dissipation mechanism is provided with air heat transfer mechanism. This oil-immersed power transformer to can be through buried into the earth as heat conduction device through secret heat transfer mechanism and air heat transfer mechanism, cool down heat conduction medium and heat conduction air through the earth, through the heat on the isolated ground of earth, increase the difference in temperature, improve transformer radiating effect.

Description

Oil immersed power transformer

Technical Field

The invention relates to the technical field of transformers, in particular to an oil-immersed power transformer.

Background

The oil immersed transformer uses oil as main insulating means of transformer and depends on oil as cooling medium, such as oil immersed self-cooling, oil immersed air cooling, oil immersed water cooling and forced oil circulation, etc. the main components of the transformer include iron core, winding, oil tank, oil conservator, breather, explosion-proof tube, insulating sleeve, tapping switch, gas relay, thermometer, oil purifier, etc. the oil immersed transformer has small noise, but its voltage regulating switch is inside the oil tank, and when regulating voltage, the switch is not well contacted and is not seen outside, such as contact is not equal to circuit break, such as contact failure, when the load is too large, the switch is easy to burn out.

Most of oil-immersed transformers in the market adopt radiating fins to radiate heat through air as external heat conducting media, but most of radiating fins are exposed to be installed on the surface of the transformer, in summer with higher temperature, the heat of outdoor air is higher, the temperature difference between the inside and outside of the transformer is relatively smaller, and better heat radiation is difficult to be provided by taking the outdoor air with higher heat as the external heat conducting media, so that the oil-immersed power transformer is required, so that heat conducting devices can be buried into the ground, the heat conducting media and the heat conducting air are cooled through the ground, the heat of the ground is isolated through the ground, the temperature difference is increased, and the heat radiation effect of the transformer is improved.

Disclosure of Invention

In order to overcome the defects in the prior art, the invention provides an oil-immersed power transformer, which solves the problems mentioned in the background.

The invention provides the following technical scheme: an oil-immersed power transformer comprising: the transformer main body mechanism, the bottom of transformer main body mechanism is provided with the dampproofing mechanism of lifting, the bottom of dampproofing mechanism of lifting is provided with bears the mechanism, one side of transformer main body mechanism is provided with drainage mechanism, and the opposite side of transformer main body mechanism is provided with back flow mechanism, the bottom of bearing the mechanism is provided with interior heat transfer mechanism, and heat transfer mechanism is located the below of transformer main body mechanism, the bottom of heat transfer mechanism is provided with underground heat transfer mechanism, the surface of underground heat dissipation mechanism is provided with air heat transfer mechanism, the surface of bearing the mechanism is provided with prevention of seepage water mechanism.

Preferably, the transformer main body mechanism comprises a transformer body, oil drain pipeline interfaces and oil return pipeline interfaces, the number of the oil drain pipeline interfaces and the number of the oil return pipeline interfaces are two, the two oil drain pipeline interfaces and the two oil return pipeline interfaces are respectively integrally arranged on two sides of the transformer body, and transformer oil is filled in the transformer body.

Preferably, the lifting dampproof mechanism comprises a lifting frame, a vent hole and a drainage groove, wherein the lifting frame is fixedly arranged at the bottom of the transformer body, the vent hole penetrates through the surface of the lifting frame, and the drainage groove is embedded in the bottom of the lifting frame.

Preferably, the bearing mechanism comprises a bearing plate, a reinforcing frame, a pipeline fixing frame, a mounting port and a connecting waist hole, wherein the bearing plate is fixedly connected to the bottom of the lifting frame, the reinforcing frame is fixedly connected to the bottom of the bearing plate, the reinforcing frame is positioned at the edge of the lower surface of the bearing plate, the number of the pipeline fixing frames is two, the mounting port and the connecting waist hole are all penetrated and formed in the surface of the bearing plate, the connecting waist hole penetrates through one side of the reinforcing frame and extends to the other side of the reinforcing frame, and the number of the mounting ports is two.

Preferably, the drainage mechanism comprises an oil pump, drainage pipelines, check valves and a drainage three-way pipe, the number of the oil pumps is two, the two oil pumps are respectively located at the output ends of the interfaces of the two drainage pipelines, the drainage pipelines are fixedly connected to the inner wall of the bearing plate, one ends of the drainage pipelines are fixedly connected with the output ends of the oil pumps, the number of the check valves is two, the two check valves are fixedly installed on the inner wall of the pipeline fixing frame, the input ends of the two check valves are respectively fixedly connected with the two drainage pipelines at one ends, far away from the oil pump, of the two check valves, and the drainage three-way pipe is fixedly installed between the two check valves.

Preferably, the reflux mechanism comprises two reflux pipelines and two reflux three-way pipes, wherein the two reflux pipelines are respectively positioned at the output ends of the two oil return pipeline interfaces, the reflux three-way pipe is fixedly arranged between the two reflux pipelines, and the surface of the reflux three-way pipe is fixedly connected with the inner wall of the pipeline fixing frame.

Preferably, the interior heat transfer mechanism includes heat exchange box, support frame, connecting pipe, interior heat exchange return bend and protecting crust, heat exchange box fixed mounting is in the bottom of loading board, support frame fixed connection is at the inner wall of heat exchange box, the quantity of connecting pipe is two, and two connecting pipes respectively fixed connection at the output of drainage three-way pipe and the output of backward flow three-way pipe, interior heat exchange return bend fixed connection is between two connecting pipes, and the outer wall of interior heat exchange return bend and the inner wall fixed connection of support frame, protecting crust fixed connection is in the bottom of loading board, and the heat exchange box is located the inside of protecting crust, and the inside packing of heat exchange box has the heat conduction liquid.

Preferably, the underground heat exchange mechanism comprises a heat exchange sealing cover and an underground heat dissipation bent pipe, wherein the heat exchange sealing cover is fixedly arranged at the bottom of the heat exchange box, the underground heat dissipation bent pipe is fixedly arranged at the bottom of the heat exchange sealing cover, the number of the underground heat dissipation bent pipes is multiple, and the insides of the underground heat dissipation bent pipes are communicated with the inside of the heat exchange box.

Preferably, the air heat exchange mechanism comprises an air cooling box, side boxes, connecting plates, an exhaust pipe, an underground cooling bent pipe, an inner dust separation net and a cooling fan, wherein the air cooling box is fixedly connected to the bottom of a heat exchange sealing cover, the inner wall of the air cooling box is fixedly connected with the outer wall of the underground cooling bent pipe, the outer wall of the air cooling box is fixedly connected with the inner wall of a protective shell, the number of the side boxes is two, the two side boxes are integrally arranged on two sides of the air cooling box respectively, the two connecting plates are fixedly connected to the inner parts of one side of the two side boxes respectively, the exhaust pipe and the underground cooling bent pipe are fixedly connected to the inner walls of the two connecting plates respectively, the number of the inner dust separation net is two, the two inner dust separation nets are fixedly connected to the inner walls of the two side boxes respectively, the cooling fan is fixedly arranged on the inner wall of the side boxes, and the cooling fan is positioned on one side of the air cooling box, close to the underground cooling bent pipe.

Preferably, the water seepage prevention mechanism comprises two dust prevention boxes, water seepage plates, water seepage holes and an outer dust separation net, wherein the two dust prevention boxes are fixedly connected to the inner walls of the two mounting openings respectively, the water seepage plates are fixedly connected to the inner walls of the two dust prevention boxes, the water seepage holes penetrate through the surface of the water seepage plates, an air inlet is formed in one side of each dust prevention box, the outer dust separation net is located the inner wall of the air inlet, one end of the exhaust pipe, away from the connecting plate, of the exhaust pipe and one end of the buried cooling bent pipe, away from the connecting plate, penetrate through the bottoms of the water seepage plates and extend to the inside of the dust prevention boxes.

Compared with the prior art, the invention has the following beneficial effects:

this oil-immersed power transformer through transformer main part mechanism, lifting dampproofing mechanism, the mechanism that bears, drainage mechanism, backward flow mechanism, interior heat transfer mechanism, underground heat transfer mechanism, air heat transfer mechanism and prevention of seepage water mechanism that set up to can regard as the heat conduction device to bury the earth through underground heat transfer mechanism and air heat transfer mechanism, cool down heat medium and heat conduction air through the earth, through the heat on the isolated ground of earth, increase the difference in temperature, improve transformer radiating effect.

This oil-immersed power transformer through lifting frame, ventilation hole and the water drainage tank that set up, can conveniently lift the transformer body apart from ground one end distance after the installation, utilizes ventilation hole and water drainage tank to ventilate and drain, has ensured that the transformer body keeps dry, reduces the corruption of transformer body bottom.

This oil-immersed power transformer, through the oil pump, the drainage pipeline, check valve and the drainage three-way pipe that set up, can circulate through setting up two parallelly connected oil pump drive transformer body, make things convenient for the transformer oil of transformer body inside to cool off to the underground pumping, conveniently still can utilize another oil pump to carry out pumping work after one oil pump damages simultaneously.

This oil-immersed power transformer through heat exchange box, support frame, connecting pipe and the interior heat transfer return bend that sets up, can utilize the heat conduction liquid to bury between heat dissipation return bend and the interior heat transfer return bend, conveniently buries the heat dissipation return bend with the inside heat transfer of transformer body to the ground, the guarantee is to the inside heat dissipation of transformer body.

According to the oil immersed power transformer, the heat exchange sealing cover and the buried heat dissipation bent pipe are arranged, so that heat inside the inner heat exchange bent pipe can be conducted to the ground, and the buried heat dissipation bent pipe is cooled conveniently through the ground.

This oil-immersed power transformer through the air-cooled case that sets up, side case, connecting plate, blast pipe, buries cooling return bend, interior dust separation net and radiator fan, can cool off the back through cold air to buries the heat dissipation return bend through buries the cooling return bend with hot air through burying underground, improves the radiating effect.

This oil-immersed power transformer, through dust-proof case, infiltration board, infiltration hole and the outer dust separation net that sets up, can prevent blast pipe and the inside jam of buried cooling return bend through the isolated sweeps of outer dust separation net, utilize infiltration hole infiltration and dust-proof case's lifting simultaneously, avoid the rainwater to get into blast pipe and buried cooling return bend inside.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a bottom view of the present invention;

FIG. 3 is a side cross-sectional view of the internal heat exchange mechanism of the present invention;

FIG. 4 is a schematic diagram of an explosive structure according to the present invention;

FIG. 5 is a bottom view of the subterranean heat exchange mechanism of the present invention;

FIG. 6 is a schematic view of the internal structure of the internal heat exchange mechanism of the present invention;

FIG. 7 is a schematic view of an explosion structure of the water seepage prevention mechanism.

In the figure: 101. a transformer body; 102. an oil drain pipe interface; 103. an oil return pipeline interface; 201. lifting the frame; 202. a vent hole; 203. a drainage channel; 301. a carrying plate; 302. a reinforcing frame; 303. a pipe fixing frame; 304. a mounting port; 305. connecting the waist holes; 401. an oil pump; 402. a drainage pipe; 403. a check valve; 404. a drainage tee; 501. a return line; 502. a reflux three-way pipe; 601. a heat exchange box; 602. a support frame; 603. a connecting pipe; 604. an inner heat exchange elbow; 605. a protective shell; 701. a heat exchange sealing cover; 702. burying a heat dissipation bent pipe; 801. an air cooling box; 802. a side case; 803. a connecting plate; 804. an exhaust pipe; 805. burying a cooling bent pipe; 806. an inner dust-separating net; 807. a heat radiation fan; 901. a dust box; 902. a water seepage plate; 903. water seepage holes; 904. an outer dust-proof net.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Referring to fig. 1-7, an oil-immersed power transformer includes: the transformer main body mechanism, the bottom of transformer main body mechanism is provided with the dampproofing mechanism of lifting, the bottom of dampproofing mechanism of lifting is provided with bears the mechanism, one side of transformer main body mechanism is provided with drainage mechanism, and the opposite side of transformer main body mechanism is provided with backward flow mechanism, bear the bottom of mechanism and be provided with interior heat transfer mechanism, and heat transfer mechanism is located the below of transformer main body mechanism, the bottom of heat transfer mechanism is provided with underground heat transfer mechanism, the surface of underground heat dissipation mechanism is provided with air heat transfer mechanism, bear the surface of mechanism and be provided with the prevention of seepage water mechanism, through the transformer main body mechanism that sets up, the lifting dampproofing mechanism, bear the mechanism, drainage mechanism, backward flow mechanism, interior heat transfer mechanism, underground heat transfer mechanism, air heat transfer mechanism and prevention of seepage water mechanism, so that can be through burying into the earth as heat conduction device through underground heat transfer mechanism and air heat transfer mechanism, through the heat transfer medium and heat transfer air are cooled down of earth, increase the difference in temperature, improve the transformer radiating effect.

Wherein; the transformer main body mechanism comprises a transformer body 101, oil drain pipeline interfaces 102 and oil return pipeline interfaces 103, the number of the oil drain pipeline interfaces 102 and the number of the oil return pipeline interfaces 103 are two, the two oil drain pipeline interfaces 102 and the two oil return pipeline interfaces 103 are respectively integrally arranged on two sides of the transformer body 101, transformer oil is filled in the transformer body 101, so that transformer oil in the transformer body 101 is conveniently output and flows back, and transformer oil is conveniently pumped out of the transformer body 101 for cooling.

Wherein; the lifting dampproofing mechanism comprises a lifting frame 201, a vent hole 202 and a drainage groove 203, wherein the lifting frame 201 is fixedly arranged at the bottom of the transformer body 101, the vent hole 202 penetrates through the surface of the lifting frame 201, the drainage groove 203 is embedded in the bottom of the lifting frame 201, the transformer body 101 can be lifted away from one end of the ground conveniently after being installed through the lifting frame 201, the vent hole 202 and the drainage groove 203, ventilation and drainage are carried out through the vent hole 202 and the drainage groove 203, the transformer body 101 is kept dry, and corrosion of the bottom of the transformer body 101 is reduced.

Wherein; the bearing mechanism comprises a bearing plate 301, a reinforcing frame 302, a pipeline fixing frame 303, mounting holes 304 and connecting waist holes 305, wherein the bearing plate 301 is fixedly connected to the bottom of the lifting frame 201, the reinforcing frame 302 and the pipeline fixing frame 303 are fixedly connected to the bottom of the bearing plate 301, the reinforcing frame 302 is located at the edge of the lower surface of the bearing plate 301, the number of the pipeline fixing frames 303 is two, the mounting holes 304 and the connecting waist holes 305 are all formed in the surface of the bearing plate 301 in a penetrating mode, the connecting waist holes 305 penetrate through one side of the reinforcing frame 302 and extend to the other side of the reinforcing frame 302, the number of the mounting holes 304 is two, so that bearing and supporting are provided, and stability after installation of the device is guaranteed.

Wherein; the drainage mechanism comprises an oil pump 401, drainage pipelines 402, check valves 403 and a drainage three-way pipe 404, the number of the oil pump 401 is two, the two oil pumps 401 are respectively located at the output ends of two drainage pipeline interfaces 102, the drainage pipelines 402 are fixedly connected to the inner wall of the bearing plate 301, one end of each drainage pipeline 402 is fixedly connected with the output end of each oil pump 401, the number of each check valve 403 is two, the two check valves 403 are fixedly installed on the inner wall of the pipeline fixing frame 303, the input ends of the two check valves 403 are respectively fixedly connected with one end, far away from the oil pump 401, of each drainage pipeline 402, the drainage three-way pipe 404 is fixedly installed between the two check valves 403, the oil pump 401, the drainage pipelines 402, the check valves 403 and the drainage three-way pipe 404 which are arranged in parallel can drive the transformer body 101 to circulate through the two oil pumps 401, transformer oil inside the transformer body 101 can be conveniently cooled down by pumping the transformer oil underground, and pumping work can be conveniently performed by using the other oil pump 401 after one oil pump 401 is damaged.

Wherein; the reflow mechanism includes backflow pipeline 501 and backward flow three-way pipe 502, and the quantity of backflow pipeline 501 is two, and two backflow pipeline 501 are located the output of two oil return pipeline interfaces 103 respectively, and backward flow three-way pipe 502 fixed mounting is between two backflow pipeline 501, and the surface of backward flow three-way pipe 502 and the inner wall fixed connection of pipeline mount 303 to the transformer oil backward flow after the cooling gets into transformer body 101, makes the inside temperature of transformer body 101 reduce, thereby realizes the inside heat dissipation cooling of transformer body 101.

Wherein; the inner heat exchange mechanism comprises a heat exchange box 601, a support frame 602, connecting pipes 603, an inner heat exchange bent pipe 604 and a protective shell 605, wherein the heat exchange box 601 is fixedly arranged at the bottom of a bearing plate 301, the support frame 602 is fixedly connected to the inner wall of the heat exchange box 601, the number of the connecting pipes 603 is two, the two connecting pipes 603 are respectively and fixedly connected to the output end of a drainage three-way pipe 404 and the output end of a backflow three-way pipe 502, the inner heat exchange bent pipe 604 is fixedly connected between the two connecting pipes 603, the outer wall of the inner heat exchange bent pipe 604 is fixedly connected with the inner wall of the support frame 602, the protective shell 605 is fixedly connected to the bottom of the bearing plate 301, the heat exchange box 601 is positioned in the protective shell 605, heat conducting liquid is filled in the heat exchange box 601, the support frame 602, the connecting pipes 603 and the inner heat exchange bent pipe 604 are used for exchanging heat between the buried heat dissipation bent pipe 702 and the inner heat exchange bent pipe 604, so that heat inside the transformer body 101 is conveniently transmitted to the buried heat dissipation bent pipe 702, and the inside the transformer body 101 is guaranteed.

Wherein; the underground heat exchange mechanism comprises a heat exchange sealing cover 701 and an underground heat dissipation bent pipe 702, wherein the heat exchange sealing cover 701 is fixedly arranged at the bottom of the heat exchange box 601, the underground heat dissipation bent pipe 702 is fixedly arranged at the bottom of the heat exchange sealing cover 701, the underground heat dissipation bent pipes 702 are multiple in number, the inside of the underground heat dissipation bent pipe 702 is communicated with the inside of the heat exchange box 601, and the heat inside the inner heat exchange bent pipe 604 can be conveniently conducted to the ground through the arranged heat exchange sealing cover 701 and the underground heat dissipation bent pipe 702, so that the underground heat dissipation bent pipe 702 is conveniently cooled through the ground.

Wherein; the air heat exchange mechanism comprises an air cooling box 801, side boxes 802, connecting plates 803, exhaust pipes 804, buried cooling bent pipes 805, inner dust isolation nets 806 and cooling fans 807, wherein the air cooling box 801 is fixedly connected to the bottom of a heat exchange sealing cover 701, the inner walls of the air cooling box 801 are fixedly connected with the outer walls of the buried cooling bent pipes 702, the outer walls of the air cooling box 801 are fixedly connected with the inner walls of a protective shell 605, the number of the side boxes 802 is two, the two side boxes 802 are integrally arranged on two sides of the air cooling box 801 respectively, the number of the connecting plates 803 is two, the two connecting plates 803 are fixedly connected to the inner walls of the two side boxes 802 respectively, the exhaust pipes 804 and the buried cooling bent pipes 805 are fixedly connected to the inner walls of the two connecting plates respectively, the two inner dust isolation nets 806 are fixedly connected to the inner walls of the two side boxes 802 respectively, the cooling fans 807 are fixedly arranged on the inner walls of the side boxes 802, the cooling fans 807 are located on one side of the air cooling box 801 close to the buried cooling bent pipes 805, and the cooling effect of the buried cooling bent pipes 803 can be improved by the arranged air cooling boxes 801, the connecting plates 804, the exhaust pipes 803, the buried cooling bent pipes 805 and the buried cooling air cooling pipes 805 can be cooled by the buried cooling air.

Wherein; the anti-seepage mechanism comprises two dust boxes 901, a seepage plate 902, seepage holes 903 and an outer dust separation net 904, wherein the two dust boxes 901 are fixedly connected to the inner walls of the two mounting openings 304 respectively, the seepage plate 902 is fixedly connected to the inner walls of the two dust boxes 901, the seepage holes 903 penetrate through the surface of the seepage plate 902, an air inlet is formed in one side of the dust boxes 901, the outer dust separation net 904 is located in the inner wall of the air inlet, one end, far away from the connecting plate 803, of the exhaust pipe 804 and one end, far away from the connecting plate 803, of the underground cooling elbow 805 penetrate through the bottoms of the seepage plate 902 and extend to the inside of the dust boxes 901, waste scraps can be isolated through the arranged dust boxes 901, the seepage plate 902, the seepage holes 903 and the outer dust separation net 904, the exhaust pipe 804 and the inner blockage of the underground cooling elbow 805 are avoided, and meanwhile, the rainwater is prevented from entering the exhaust pipe 804 and the inside of the underground cooling elbow 805 by means of lifting of the seepage holes 903.

When the transformer is installed, a vertical shaft is drilled underground at an installation site, the device is installed above the vertical shaft, so that the buried cooling bent pipe 805 and the buried heat dissipation bent pipe 702 are positioned in the vertical shaft, soil is filled in the vertical shaft, the buried cooling bent pipe 805 and the buried heat dissipation bent pipe 702 are filled with soil, the buried heat dissipation bent pipe 702, the buried cooling bent pipe 805 and the exhaust pipe 804 are wrapped by soil, when the transformer is used, the oil pump 401 and the heat dissipation fan 807 are started, the two oil pumps 401 respectively convey transformer oil in the transformer body 101 to the two exhaust pipelines 402, then respectively pass through the two check valves 403 and then enter the exhaust three-way pipe 404 to be converged, the converged transformer oil enters the connecting pipe 603 and then enters the inner heat exchange bent pipe 604, and as the temperature of the transformer oil is higher and the temperature of the heat conduction liquid is lower, a larger temperature difference is formed, the transformer oil transfers heat to the heat transfer liquid inside the heat exchange tank 601 through the inner heat exchange bend 604, so that the transformer oil is cooled, the heat transfer liquid heats, the cooled transformer oil continues to run inside the other connecting pipe 603, then enters the reflux tee 502, finally, flows back to the inside of the transformer body 101 through the reflux pipeline 501, meanwhile, the heat transfer liquid inside the heat exchange tank 601 transfers heat to the inside of each buried heat dissipation bend 702 after being heated, the heat transfer liquid transfers heat to the ground through the buried heat dissipation bends 702, meanwhile, the heat dissipation fan 807 pumps air, external hot air enters the buried cooling bend 805 from the dust box 901, then enters the ground along the buried cooling bend 805, the heat of the hot air entering the ground transfers heat to the ground through the heat transfer of the buried cooling bend 805, so that the hot air cools, the cooled hot air enters the side box 802 on one side, then continues to be pumped to the inside the air cooling box 801, the cold air entering the inside of the air cooling box 801 contacts the buried heat-dissipating elbow 702, and takes away the heat of the partially buried heat-dissipating elbow 702 by the temperature difference, so that the buried heat-dissipating elbow 702 is kept at a low temperature, thereby heating the air, and the heated air enters the side box 802 on the other side, then enters the exhaust pipe 804, and then is exhausted from the inside of the other dust box 901.

Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An oil immersed power transformer, comprising: the transformer main body mechanism, the bottom of transformer main body mechanism is provided with the dampproofing mechanism of lifting, the bottom of dampproofing mechanism of lifting is provided with bears the mechanism, one side of transformer main body mechanism is provided with drainage mechanism, and the opposite side of transformer main body mechanism is provided with back flow mechanism, the bottom of bearing the mechanism is provided with interior heat transfer mechanism, and heat transfer mechanism is located the below of transformer main body mechanism, the bottom of heat transfer mechanism is provided with underground heat transfer mechanism, the surface of underground heat dissipation mechanism is provided with air heat transfer mechanism, the surface of bearing the mechanism is provided with prevention of seepage water mechanism.

2. The oil immersed power transformer according to claim 1, wherein the transformer main body mechanism comprises a transformer body (101), oil drain pipeline interfaces (102) and oil return pipeline interfaces (103), the number of the oil drain pipeline interfaces (102) and the number of the oil return pipeline interfaces (103) are two, the two oil drain pipeline interfaces (102) and the two oil return pipeline interfaces (103) are integrally arranged on two sides of the transformer body (101) respectively, and transformer oil is filled in the transformer body (101).

3. The oil immersed power transformer according to claim 2, wherein the lifting dampproof mechanism comprises a lifting frame (201), a vent hole (202) and a drainage groove (203), the lifting frame (201) is fixedly installed at the bottom of the transformer body (101), the vent hole (202) penetrates through the surface of the lifting frame (201), and the drainage groove (203) is embedded in the bottom of the lifting frame (201).

4. An oil immersed power transformer according to claim 3, wherein the bearing mechanism comprises a bearing plate (301), a reinforcing frame (302), a pipeline fixing frame (303), a mounting hole (304) and a connecting waist hole (305), the bearing plate (301) is fixedly connected to the bottom of the lifting frame (201), the reinforcing frame (302) and the pipeline fixing frame (303) are fixedly connected to the bottom of the bearing plate (301), the reinforcing frame (302) is located at the edge of the lower surface of the bearing plate (301), the number of the pipeline fixing frames (303) is two, the mounting hole (304) and the connecting waist hole (305) are formed in the surface of the bearing plate (301) in a penetrating mode, the connecting waist hole (305) penetrates one side of the reinforcing frame (302) and extends to the other side of the reinforcing frame (302), and the number of the mounting holes (304) is two.

5. The oil-immersed power transformer according to claim 4, wherein the drainage mechanism comprises an oil pump (401), drainage pipelines (402), check valves (403) and a drainage three-way pipe (404), the number of the oil pump (401) is two, the two oil pumps (401) are respectively located at the output ends of two drainage pipeline interfaces (102), the drainage pipelines (402) are fixedly connected to the inner wall of the bearing plate (301), one ends of the drainage pipelines (402) are fixedly connected with the output ends of the oil pump (401), the number of the check valves (403) is two, the two check valves (403) are fixedly installed on the inner wall of the pipeline fixing frame (303), the input ends of the two check valves (403) are fixedly connected with one ends of the two drainage pipelines (402) away from the oil pump (401), and the drainage three-way pipe (404) is fixedly installed between the two check valves (403).

6. The oil immersed power transformer according to claim 5, wherein the backflow mechanism comprises two backflow pipelines (501) and two backflow three-way pipes (502), the two backflow pipelines (501) are respectively located at the output ends of the two oil return pipeline interfaces (103), the backflow three-way pipes (502) are fixedly installed between the two backflow pipelines (501), and the surfaces of the backflow three-way pipes (502) are fixedly connected with the inner wall of the pipeline fixing frame (303).

7. The oil-immersed power transformer according to claim 6, wherein the inner heat exchange mechanism comprises a heat exchange box (601), a support frame (602), connecting pipes (603), an inner heat exchange bent pipe (604) and a protective shell (605), the heat exchange box (601) is fixedly installed at the bottom of the bearing plate (301), the support frame (602) is fixedly connected to the inner wall of the heat exchange box (601), the number of the connecting pipes (603) is two, the two connecting pipes (603) are respectively and fixedly connected to the output end of the drainage three-way pipe (404) and the output end of the backflow three-way pipe (502), the inner heat exchange bent pipe (604) is fixedly connected between the two connecting pipes (603), the outer wall of the inner heat exchange bent pipe (604) is fixedly connected to the inner wall of the support frame (602), the protective shell (605) is fixedly connected to the bottom of the bearing plate (301), the heat exchange box (601) is located inside the protective shell (605), and the heat exchange box (601) is filled with heat conducting liquid.

8. The oil immersed power transformer according to claim 7, wherein the underground heat exchange mechanism comprises a heat exchange sealing cover (701) and an underground heat dissipation bent pipe (702), the heat exchange sealing cover (701) is fixedly installed at the bottom of the heat exchange box (601), the underground heat dissipation bent pipe (702) is fixedly installed at the bottom of the heat exchange sealing cover (701), the number of the underground heat dissipation bent pipes (702) is multiple, and the interiors of the underground heat dissipation bent pipes (702) are all communicated with the interior of the heat exchange box (601).

9. The oil immersed power transformer according to claim 8, wherein the air heat exchange mechanism comprises an air cooling box (801), two side boxes (802), connecting plates (803), an exhaust pipe (804), an underground cooling bent pipe (805), an inner dust separation net (806) and a cooling fan (807), the air cooling box (801) is fixedly connected to the bottom of the heat exchange cover (701), the inner wall of the air cooling box (801) is fixedly connected to the outer wall of the underground cooling bent pipe (702), the outer wall of the air cooling box (801) is fixedly connected to the inner wall of the protecting shell (605), the number of the side boxes (802) is two, the two side boxes (802) are integrally arranged on two sides of the air cooling box (801), the number of the connecting plates (803) is two, the two connecting plates (803) are fixedly connected to the inside of one side of the two side boxes (802), the exhaust pipe (804) and the underground cooling bent pipe (805) are fixedly connected to the inner walls of the two connecting plates (803), the number of the inner dust separation net (806) is two, and the two connecting plates (803) are fixedly connected to the inner walls of the two side boxes (803) and the cooling fan (803) are fixedly arranged on one side of the two side of the cooling bent pipe (807).

10. The oil immersed power transformer according to claim 9, wherein the water seepage prevention mechanism comprises a dust box (901), a water seepage plate (902), water seepage holes (903) and an outer dust separation net (904), the number of the dust boxes (901) is two, the two dust boxes (901) are respectively fixedly connected to the inner walls of the two mounting openings (304), the water seepage plate (902) is fixedly connected to the inner walls of the two dust boxes (901), the water seepage holes (903) penetrate through the surface of the water seepage plate (902), one side of the dust box (901) is provided with an air inlet, the outer dust separation net (904) is located in the inner wall of the air inlet, one end, far away from the connecting plate (803), of the exhaust pipe (804) and one end, far away from the connecting plate (803), of the buried cooling elbow (805) all penetrate through the bottom of the water seepage plate (902) and extend into the inside the dust boxes (901).