CN217588629U

CN217588629U - Oil-immersed transformer with circulative cooling function

Info

Publication number: CN217588629U
Application number: CN202220793100.4U
Authority: CN
Inventors: 周浩; 张娅辉
Original assignee: Henan Zhongbian Electric Co ltd
Current assignee: Henan Zhongbian Electric Co ltd
Priority date: 2022-04-07
Filing date: 2022-04-07
Publication date: 2022-10-14
Anticipated expiration: 2032-04-07

Abstract

The utility model provides an oil-immersed transformer with circulation cooling function, relates to oil-immersed transformer technical field, and the oil-immersed transformer with circulation cooling function comprises a transformer body, one side of the transformer body is provided with a cooling tube for cooling oil, one side of the transformer body is provided with an oil transportation mechanism for transporting oil inside the cooling tube, the top end of the cooling tube is fixedly connected with a return pipe communicated with the inside of the transformer body, the outside of the cooling tube is provided with a heat exchange tube, one side of the cooling tube is provided with a water storage tank; the oil liquid with the high temperature inside the transformer body is pumped out through the oil conveying mechanism, and is conveyed to the heat dissipation pipe outside the equipment to be radiated, the oil liquid is circularly input into the inside of the transformer body through the return pipe, and when the oil liquid flows through the heat dissipation pipe, the cold water inside the water storage tank is pumped out through the water conveying mechanism, and is conveyed to the inside of the heat exchange pipe to be discharged through the water outlet pipe after being subjected to heat exchange with the heat dissipation pipe.

Description

Oil-immersed transformer with circulative cooling function

Technical Field

The utility model relates to an oil-immersed transformer technical field specifically is an oil-immersed transformer with circulative cooling function.

Background

The oil-immersed transformer has winding and iron core set inside oil tank filled with transformer oil, oil tank welded with steel plate, small and medium size transformer with oil tank comprising casing and cover, corrugated oil tank with expansion adapting to the oil elasticity to form permanently sealed oil tank, and oil-immersed transformer widely used in various power distribution equipment.

The oil-immersed transformer with the automatic cleaning function is disclosed in a Chinese patent with an authorization notice number of CN210136766U, and comprises an oil-immersed transformer shell, wherein a coil is arranged inside the oil-immersed transformer shell, a heat insulation shell is arranged outside the oil-immersed transformer shell, an air pipe is arranged at the upper right end of the oil-immersed transformer shell, a cooling circulation oil inlet pipe is arranged at the upper left end of the oil-immersed transformer shell, the cooling circulation oil inlet pipe is arranged in an oil cooling circulation cavity formed between the oil-immersed transformer shell and the heat insulation shell, the lower end of the cooling circulation oil inlet pipe is communicated with the upper end of an oil pump, the oil pump is fixedly arranged at the lower left end of the heat insulation shell, a cooling circulation oil outlet pipe is arranged at the right end of the oil pump, a filter box is arranged at the right end of the cooling circulation oil outlet pipe in a communication mode, a multilayer filter cotton layer is arranged inside the filter box, the oil-immersed transformer shell is sleeved with the heat insulation shell outside the oil-immersed transformer shell to carry out integral heat insulation protection, only inside the oil-immersed transformer shell generates heat, the burden is relieved when the oil is cooled, and the heat is dissipated around the oil cooling circulation cavity arranged outside the heat insulation shell, and the integral cooling effect is guaranteed.

However, the above technical solution also has the following defects that when the equipment is used, the oil circularly flows in the heat insulation shell, and the heat in the oil cannot be well dissipated, so that the overall temperature inside the equipment is increased, the cooling effect of the oil on the equipment is deteriorated, and the equipment is easily damaged.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an oil-immersed transformer with circulative cooling function aims at solving the unable better effluvium of heat in the fluid among the prior art, can lead to the inside bulk temperature of equipment to rise, the problem of fluid to the cooling effect variation of equipment.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the oil-immersed transformer with circulative cooling function includes: the transformer body, one side of transformer body is provided with and is used for fluid cooling's cooling tube, one side of transformer body is provided with and is used for carrying out the defeated oil mechanism that fluid was carried to the cooling tube is inside, the top fixedly connected with of cooling tube and the inside back flow that is linked together of transformer body, the outside of cooling tube is provided with the heat exchange tube, one side of cooling tube is provided with the retaining jar, one side of retaining jar is provided with and is used for carrying out the defeated water mechanism that the cooling water was carried to the heat exchange tube inside, the top fixedly connected with outlet pipe of heat exchange tube.

In order to make the utility model discloses have the better effect of carrying out fluid and carrying, the utility model discloses a further technical scheme does, oil transportation mechanism includes the oil pump, one side of oil pump is provided with and takes out oil pipe with the inside oil pipe that is linked together of transformer body, the opposite side of oil pump is provided with the defeated oil pipe that is linked together with the cooling tube bottom.

In order to make the utility model discloses have the better effect of carrying on cold water and carrying, the utility model discloses a further technical scheme does, water delivery mechanism includes the water pump, one side of water pump is provided with the drinking-water pipe that is linked together with retaining jar inside, the opposite side of water pump is provided with the raceway that is linked together with the heat exchange tube bottom.

In order to make the utility model discloses have the effect that improves the heat transfer effect, the utility model discloses a further technical scheme does, crisscross spiral setting between cooling tube and the heat exchange tube.

In order to make the utility model discloses have the better effect that carries out cold water and supply, the utility model discloses a further technical scheme does, the water injection hole has been seted up at the top of retaining jar.

In order to make the utility model discloses have the radiating effect of acceleration, the utility model discloses a further technical scheme does, one side of transformer body is provided with and is used for the fixed support frame of cooling tube and heat exchange tube, the bottom of support frame is rotated and is connected with the flabellum that is located cooling tube and heat exchange tube top, the top fixed mounting of support frame has and is used for driving flabellum pivoted motor.

In order to make the utility model discloses have the better effect of carrying out fixed mounting, the utility model discloses a further technical scheme does, the top fixedly connected with mounting panel of transformer body, the mounting hole has been seted up to the inside of mounting panel.

The beneficial effects of the utility model are that:

1. the utility model discloses when using, take the inside high temperature fluid of transformer body out through oil delivery mechanism, carry and dispel the heat the back in the outside radiator pipe of equipment, by the inside of back flow circulation input transformer body, when the cooling tube is flowed through to fluid, take the inside cold water of water storage tank out through water delivery mechanism, and carry out the heat exchange back to the inside of heat exchange tube and radiator pipe and discharge by the outlet pipe, better exchange the heat and the cold water of fluid, make the high temperature in the fluid can better effluvium, and then reduce the temperature of fluid, effectually avoided leading to the whole rising of the inside temperature of equipment because of the unable effluvium of fluid heat, make fluid can keep better cooling result of use, protective apparatus, and then the not fragile life who increases equipment, improve the security that equipment used.

2. The utility model discloses when using, drive the flabellum through the motor and rotate in the top of cooling tube and heat exchange tube, the air flow around better acceleration cooling tube and the heat exchange tube to thermal scattering and disappearing improves the radiating effect with higher speed.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention.

Fig. 2 is a front view of a specific embodiment of the present invention.

Fig. 3 is a top view of an embodiment of the present invention.

In the figure: 1. a transformer body; 2. a radiating pipe; 3. an oil delivery mechanism; 31. an oil pump; 32. an oil pumping pipe; 33. an oil delivery pipe; 4. a return pipe; 5. a heat exchange pipe; 6. a water storage tank; 7. a water delivery mechanism; 71. a water pump; 72. a water pumping pipe; 73. a water delivery pipe; 8. a water outlet pipe; 9. a water injection hole; 10. a support frame; 11. a fan blade; 12. a motor; 13. mounting a plate; 14. and (7) mounting holes.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 3, an oil-immersed transformer with circulation cooling function includes: transformer body 1, one side of transformer body 1 is provided with and is used for fluid refrigerated cooling tube 2, one side of transformer body 1 is provided with and is used for carrying out the defeated oil mechanism 3 that fluid was carried to cooling tube 2 inside, the inside back flow 4 that is linked together of top fixedly connected with and transformer body 1 of cooling tube 2, the outside of cooling tube 2 is provided with heat exchange tube 5, one side of cooling tube 2 is provided with water storage tank 6, one side of water storage tank 6 is provided with and is used for carrying out the defeated water mechanism 7 that the cooling water was carried to the inside of heat exchange tube 5, the top fixedly connected with outlet pipe 8 of heat exchange tube 5.

In this embodiment, take out the oil of the inside high temperature of transformer body 1 through oil delivery mechanism 3, carry to the outside cooling tube 2 of equipment in the back of dispelling the heat, input transformer body 1's inside by the back flow 4 circulation, when oil flows through cooling tube 2, take out the inside cold water of water storage tank 6 through water delivery mechanism 7, and carry to the inside of heat exchange tube 5 and carry out the heat exchange back by outlet pipe 8 with cooling tube 2, better exchange the heat and the cold water of oil, make the high temperature in the oil can better effluvium, and then reduce the temperature of oil, effectual avoided leading to the whole rising of the inside temperature of equipment because of the unable effluvium in time of oil heat, make oil can keep better cooling result of use, protective apparatus is not fragile, and then increase the life of equipment, the security that improves equipment and uses.

Specifically, the oil delivery mechanism 3 includes an oil pump 31, one side of the oil pump 31 is provided with an oil pumping pipe 32 communicated with the inside of the transformer body 1, the other side of the oil pump 31 is provided with an oil delivery pipe 33 communicated with the bottom end of the radiating pipe 2, the oil pump 31 pumps out oil from the inside of the transformer body 1 through the oil pumping pipe 32, and the oil is delivered to the inside of the radiating pipe 2 through the oil delivery pipe 33.

Specifically, the water delivery mechanism 7 comprises a water pump 71, one side of the water pump 71 is provided with a water pumping pipe 72 communicated with the inside of the water storage tank 6, the other side of the water pump 71 is provided with a water delivery pipe 73 communicated with the bottom end of the heat exchange pipe 5, and the water pump 71 pumps cold water out of the inside of the water storage tank 6 through the water pumping pipe 72 and delivers the cold water to the inside of the heat exchange pipe 5 through the water delivery pipe 73.

Further, crisscross spiral setting between cooling tube 2 and the heat exchange tube 5 effectively increases fluid and cold water respectively in the time of the inside circulation of cooling tube 2 and heat exchange tube 5 to effectively increase the area of contact of cooling tube 2 and heat exchange tube 5, thereby reinforcing heat transfer effect, accelerate the effluvium of the inside high temperature of fluid.

Preferably, the top of the water storage tank 6 is provided with a water injection hole 9, and cold water is preferably supplemented into the water storage tank 6 through the water injection hole 9.

Preferably, a support frame 10 for fixing the heat dissipation tube 2 and the heat exchange tube 5 is provided at one side of the transformer body 1, and the heat dissipation tube 2 and the heat exchange tube 5 are preferably fixedly installed through the support frame 10.

Further, the bottom of support frame 10 is rotated and is connected with the flabellum 11 that is located cooling tube 2 and heat exchange tube 5 top, and the top fixed mounting of support frame 10 has and is used for driving flabellum 11 pivoted motor 12, drives flabellum 11 through motor 12 and rotates in cooling tube 2 and heat exchange tube 5's top, and the better air flow around cooling tube 2 and the heat exchange tube 5 of accelerating to thermal scattering and disappearing with higher speed improves the radiating effect.

Preferably, the top of the transformer body 1 is fixedly connected with a mounting plate 13, a mounting hole 14 is formed in the mounting plate 13, and the transformer body 1 can be better fixedly mounted through the mounting plate 13 and the mounting hole 14.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present specification describes embodiments, not every embodiment includes only a single embodiment, and such description is for clarity purposes only, and it is to be understood that all embodiments may be combined as appropriate by one of ordinary skill in the art to form other embodiments as will be apparent to those of skill in the art from the description herein.

Claims

1. An oil-immersed transformer with circulation cooling function, comprising: transformer body (1), its characterized in that, one side of transformer body (1) is provided with and is used for fluid cooling's cooling tube (2), one side of transformer body (1) is provided with and is used for carrying out fluid oil transportation mechanism (3) that carry on to cooling tube (2) inside, the top fixedly connected with of cooling tube (2) and inside back flow (4) that are linked together of transformer body (1), the outside of cooling tube (2) is provided with heat exchange tube (5), one side of cooling tube (2) is provided with retaining jar (6), one side of retaining jar (6) is provided with and is used for carrying out water transportation mechanism (7) that the cooling water was carried to heat exchange tube (5) inside, the top fixedly connected with outlet pipe (8) of heat exchange tube (5).

2. The oil-immersed transformer with the circulating cooling function according to claim 1, wherein the oil delivery mechanism (3) comprises an oil pump (31), an oil pumping pipe (32) communicated with the inside of the transformer body (1) is arranged on one side of the oil pump (31), and an oil delivery pipe (33) communicated with the bottom end of the heat dissipation pipe (2) is arranged on the other side of the oil pump (31).

3. Oil-immersed transformer with circulation cooling function according to claim 1, characterized in that, the water delivery mechanism (7) comprises a water pump (71), one side of the water pump (71) is provided with a water pumping pipe (72) communicated with the inside of the water storage tank (6), and the other side of the water pump (71) is provided with a water delivery pipe (73) communicated with the bottom end of the heat exchange pipe (5).

4. Oil filled transformer with circulation cooling function according to claim 1, characterized in that the heat dissipation pipes (2) and heat exchange pipes (5) are arranged in a staggered spiral manner.

5. Oil-filled transformer with circulation cooling function according to claim 1, characterized in that the top of the water storage tank (6) is opened with a water injection hole (9).

6. Oil-filled transformer with circulation cooling function according to claim 1, characterized in that one side of the transformer body (1) is provided with a support frame (10) for fixing the heat dissipation pipe (2) and the heat exchange pipe (5).

7. The oil-immersed transformer with the circulating cooling function according to claim 6, wherein the bottom of the support frame (10) is rotatably connected with fan blades (11) positioned above the heat dissipation pipe (2) and the heat exchange pipe (5), and the top of the support frame (10) is fixedly provided with a motor (12) for driving the fan blades (11) to rotate.

8. The oil-immersed transformer with the circulation cooling function according to any one of claims 1-7, wherein a mounting plate (13) is fixedly connected to the top of the transformer body (1), and a mounting hole (14) is formed in the mounting plate (13).