CN219435663U - Oil immersed power transformer - Google Patents

Abstract

The utility model discloses an oil immersed power transformer, which comprises a bottom plate, wherein the top of the bottom plate is fixedly connected with a mounting box, the top of the mounting box is fixedly connected with a transformer body through a supporting seat, the bottom of the transformer body is fixedly connected with an oil outlet pipe, a control valve is arranged on the oil outlet pipe, the bottom of the oil outlet pipe is connected with a heat exchange mechanism, a circulating mechanism is arranged on the transformer body, and a plurality of radiators are fixedly arranged on the outer side wall of the transformer body. According to the utility model, through the cooperation of the oil outlet pipe, the heat exchange pipe, the cooling device, the circulating pump, the first connecting pipe and the second connecting pipe, the sealing oil in the transformer body flows, and the sealing oil in the circulating flow process is subjected to heat absorption and cooling, so that the heat dissipation efficiency of the transformer body is improved, and meanwhile, through the cooperation of the heat conducting plate, the heat absorbing plate and the heat exchange plate, the radiator is convenient to conduct heat into the cooling liquid, and the heat dissipation effect of the radiator is improved.

Description

Oil immersed power transformer

Technical Field

The utility model relates to the technical field of power transformer equipment, in particular to an oil-immersed power transformer.

Background

A power transformer is a stationary electric device, which is a device for converting an alternating voltage (current) of a certain value into another voltage (current) of the same frequency or several different values, and a stationary device having two or more windings, which converts the alternating voltage and current of one system into the voltage and current of another system by electromagnetic induction at the same frequency for the purpose of transmitting electric energy, and which are usually different in value.

According to retrieval discovery publication number CN217588637U discloses an oil-immersed power transformer, including the transformer body, the radiator is all installed to the both sides wall of transformer body, the louvre has all been seted up to the both sides wall of transformer body, the transformer body is equipped with cleaning device for the position of radiator, cleaning device includes two deflector, deflector fixed connection is at the lateral wall of transformer body, the transversal U-shaped that personally submits of deflector, two the inner wall sliding connection of deflector has the slide, the slide is for the position fixedly connected with a plurality of round bar of radiator, the circular arc face of round bar glues there is the cleaning sleeve, cleaning sleeve and radiator sliding connection, the transversal U-shaped that personally submits of slide.

This oil-immersed power transformer is through setting up cleaning device, reaches the dust that adheres to the radiator surface and clear up to prevent as far as possible that the dust from influencing the normal heat dissipation of radiator, but in the in-service use, oil-immersed power transformer generally sets up in the open air, and outdoor temperature environment changes greatly, and the difference in temperature is great round clock, when equipment uses under high temperature environment, and the difference in temperature reduces inside and outside oil-immersed power transformer, thereby reduces the radiating efficiency of radiator, influences the use.

Disclosure of Invention

The utility model aims to solve the problem that an oil-immersed power transformer in the prior art is inconvenient to quickly dissipate heat in a high-temperature environment.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the oil immersed power transformer comprises a bottom plate, bottom plate top fixedly connected with install bin, install bin top is through supporting seat fixedly connected with transformer body, transformer body bottom fixedly connected with goes out oil pipe, go out oil pipe and be provided with control valve, it is connected with heat exchange mechanism to go out oil pipe bottom, be equipped with circulation mechanism on the transformer body, transformer body lateral wall is fixedly provided with a plurality of radiators, the radiator lateral wall is connected with cooling body.

Preferably, the heat exchange mechanism comprises a heat exchange tube arranged inside the installation box, the heat exchange tube is in a wave shape, the oil inlet and the oil outlet of the heat exchange tube penetrate through the installation box and extend upwards, the oil inlet end of the heat exchange tube is fixedly connected with the bottom of the oil outlet tube, cooling liquid is arranged in the installation box, and a cooling device is fixedly arranged inside the installation box.

Preferably, the circulating mechanism comprises a mounting plate fixedly connected with the outer side wall of the transformer body, a circulating pump is fixedly arranged at the top of the mounting plate, a first connecting pipe is fixedly arranged at a feeding port on the circulating pump, and one end, far away from the circulating pump, of the first connecting pipe is fixedly connected with an oil outlet of the heat exchange pipe.

Preferably, the circulating pump discharge gate fixedly connected with second connecting pipe, circulating pump one end and transformer body top fixed connection are kept away from to the second connecting pipe.

Preferably, the cooling mechanism comprises a heat absorption plate fixedly arranged at the top of the mounting box, the heat absorption plate is U-shaped, a plurality of heat exchange plates are fixedly connected to the bottom of the heat absorption plate, and the bottoms of the heat exchange plates penetrate through the mounting box and are inserted into cooling liquid.

Preferably, the bottoms of the heat radiators are fixedly connected with heat conducting plates, and the bottoms of the heat conducting plates are fixedly connected with the tops of the heat absorbing plates.

The beneficial effects of the utility model are as follows:

through the cooperation of oil pipe, heat exchange tube, cooling device, circulating pump, first connecting pipe and second connecting pipe is used for the inside sealed fluid of transformer body flows, carry out endothermic cooling to the sealed fluid at circulation flow in-process, thereby improve the radiating efficiency of transformer body, simultaneously through the cooperation use of heat-conducting plate, heat-absorbing plate and heat exchanger fin, make the radiator be convenient for with heat conduction to the coolant liquid in, improve the radiating effect of radiator, avoid because of external environment changes, make the internal and external difference in temperature of transformer reduce, lead to the radiating efficiency reduction to the transformer body, make the transformer body be convenient for carry out quick heat dissipation in high temperature environment.

Drawings

Fig. 1 is a schematic structural diagram of an oil immersed power transformer according to the present utility model;

fig. 2 is a cross-sectional view of an oil-immersed power transformer according to the present utility model;

fig. 3 is an enlarged view of the structure at a in fig. 2.

In the figure: 1. a bottom plate; 2. a mounting box; 3. a transformer body; 4. an oil outlet pipe; 5. a control valve; 6. a heat sink; 7. a heat exchange tube; 8. a cooling device; 9. a circulation pump; 10. a first connection pipe; 11. a second connection pipe; 12. a heat conductive plate; 13. a heat absorbing plate; 14. heat exchange plates.

Detailed Description

The following description of the embodiments of the present utility model 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 utility model, but not all embodiments.

Referring to fig. 1-3, an oil immersed power transformer comprises a bottom plate 1, wherein the top of the bottom plate 1 is fixedly connected with a mounting box 2, the top of the mounting box 2 is fixedly connected with a transformer body 3 through a supporting seat, the bottom of the transformer body 3 is fixedly connected with an oil outlet pipe 4, a control valve 5 is arranged on the oil outlet pipe 4, and the bottom of the oil outlet pipe 4 is connected with a heat exchange mechanism.

Wherein, heat transfer mechanism is including setting up at the inside heat exchange tube 7 of mounting box 2, heat exchange tube 7 is the wave setting, be convenient for increase heat exchange tube 7 and coolant liquid's area of contact, improve the heat transfer effect, heat exchange tube 7 oil inlet and oil-out all run through mounting box 2 and upwards extend, heat exchange tube 7 oil inlet end and oil outlet pipe 4 bottom fixed connection, be equipped with the coolant liquid in the mounting box 2, the inside fixed cooling device 8 that is provided with of mounting box 2, cooling device 8 is prior art, do not repeated here, improve cooling device 8 and cool down the coolant liquid, the device of being convenient for carries out the heat absorption work for a long time.

Be equipped with circulation mechanism on the transformer body 3, circulation mechanism include with transformer body 3 lateral wall fixed connection's mounting panel, the mounting panel top is fixed be provided with circulating pump 9, and circulating pump 9 is prior art, and not repeated here, the fixed first connecting pipe 10 that is provided with of feed inlet on the circulating pump 9, circulating pump 9 one end and heat exchange tube 7 oil-out fixed connection are kept away from to first connecting pipe 10.

The discharge port of the circulating pump 9 is fixedly connected with a second connecting pipe 11, and one end, far away from the circulating pump 9, of the second connecting pipe 11 is fixedly connected with the top of the transformer body 3.

The transformer body 3 lateral wall is fixed to be provided with a plurality of radiators 6, and radiator 6 lateral wall is connected with cooling body, and cooling body is including fixed the absorber plate 13 that sets up at the mounting box 2 top, and absorber plate 13 is U-shaped setting, and absorber plate 13 bottom fixedly connected with a plurality of heat exchanger fins 14, a plurality of heat exchanger fins 14 bottom all run through mounting box 2 and insert and establish in the coolant liquid, a plurality of radiator 6 bottom all fixedly connected with heat-conducting plate 12, a plurality of heat-conducting plate 12 bottoms all with absorber plate 13 top fixed connection.

In the utility model, the circulating pump 9 drives the sealing oil in the transformer body 3 to enter the heat exchange tube 7, so that heat in the sealing oil is conducted into the cooling liquid through the heat exchange tube 7, the sealing oil is rapidly cooled, the cooled sealing oil is returned into the transformer body 3 through the second connecting tube 11, the transformer body 3 rapidly dissipates heat, meanwhile, the radiator 6 transmits part of heat to the heat absorption plate 13 through the heat conduction plate 12 and then is transmitted into the cooling liquid through the heat exchange plate 14, the heat dissipation efficiency of the radiator 6 is improved, and the transformer body 3 is convenient to rapidly dissipate heat in a high-temperature environment and is convenient to use.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides an oil-immersed power transformer, includes bottom plate (1), its characterized in that, bottom plate (1) top fixedly connected with install bin (2), install bin (2) top through supporting seat fixedly connected with transformer body (3), transformer body (3) bottom fixedly connected with goes out oil pipe (4), be provided with control valve (5) on going out oil pipe (4), it is connected with heat exchange mechanism to go out oil pipe (4) bottom, be equipped with circulation mechanism on transformer body (3), transformer body (3) lateral wall is fixed and is provided with a plurality of radiators (6), radiator (6) lateral wall is connected with cooling body.

2. The oil immersed power transformer according to claim 1, wherein the heat exchange mechanism comprises a heat exchange tube (7) arranged inside a mounting box (2), the heat exchange tube (7) is in a wave-shaped arrangement, an oil inlet and an oil outlet of the heat exchange tube (7) penetrate through the mounting box (2) and extend upwards, an oil inlet end of the heat exchange tube (7) is fixedly connected with the bottom of the oil outlet tube (4), cooling liquid is arranged in the mounting box (2), and a cooling device (8) is fixedly arranged inside the mounting box (2).

3. The oil immersed power transformer according to claim 2, wherein the circulating mechanism comprises a mounting plate fixedly connected with the outer side wall of the transformer body (3), a circulating pump (9) is fixedly arranged at the top of the mounting plate, a first connecting pipe (10) is fixedly arranged at a feeding port on the circulating pump (9), and one end, far away from the circulating pump (9), of the first connecting pipe (10) is fixedly connected with an oil outlet of the heat exchange pipe (7).

4. An oil immersed power transformer according to claim 3, wherein the discharge port of the circulating pump (9) is fixedly connected with a second connecting pipe (11), and one end of the second connecting pipe (11) far away from the circulating pump (9) is fixedly connected with the top of the transformer body (3).

5. The oil immersed power transformer according to claim 1, wherein the cooling mechanism comprises a heat absorbing plate (13) fixedly arranged at the top of the mounting box (2), the heat absorbing plate (13) is in a U-shaped arrangement, a plurality of heat exchanging fins (14) are fixedly connected to the bottom of the heat absorbing plate (13), and the bottoms of the plurality of heat exchanging fins (14) penetrate through the mounting box (2) and are inserted into cooling liquid.

6. The oil-immersed power transformer according to claim 5, wherein the bottoms of the plurality of heat sinks (6) are fixedly connected with heat conducting plates (12), and the bottoms of the plurality of heat conducting plates (12) are fixedly connected with the tops of the heat absorbing plates (13).