CN212694969U

CN212694969U - Power transformer

Info

Publication number: CN212694969U
Application number: CN202020520086.1U
Authority: CN
Inventors: 张爱华
Original assignee: Jiangxi Hengtong Electric Co ltd
Current assignee: Jiangxi Hengtong Electric Co ltd
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2021-03-12
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a power transformer belongs to the transformer field, power transformer, including the transformer, the equal fixedly connected with fin one in the inside left and right sides of transformer, two the fin one is carried on the back mutually one side and all runs through and extends to the both sides of transformer, the right side fixedly connected with of transformer and its play oil pipe that is linked together, the other end fixedly connected with that goes out oil pipe rather than the cooling box to the intercommunication, the top intercommunication of cooling box has the oil pipe. The utility model discloses a, can cool down oil in the transformer through the inside fixed fin of transformer, the cooling tube of the inside fixed mounting of transformer also can cool down oil in the transformer, and the coolant liquid can cool down the cooling tube in the cooling tube and make it carry out more effectual cooling processing to oil in the transformer, and oil in the transformer can flow to cool down in the case and cool down and make the cooling effect to the transformer better in the transformer of converging, the practicality of improving the device.

Description

Power transformer

Technical Field

The utility model relates to a transformer field, more specifically say, relate to power transformer.

Background

A power transformer is a stationary electrical device that is used to transform an ac voltage of a certain value into another voltage of the same frequency or several different values.

At present, transformers become common equipment for human beings, oil-immersed transformers are generally used in rural towns, but the heat dissipation effect of common oil-immersed transformers is not ideal, and particularly in regions with high air temperature, if the temperature of the transformers is too high, the transformers lose efficacy, so that residents are powered off due to the fact that the residents lose efficacy, and the living standard of the residents is seriously affected, and therefore a power transformer is needed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide a power transformer possesses the advantage of good radiating effect, has solved the problem that above-mentioned background art mentioned.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

The power transformer comprises a transformer, wherein the left side and the right side of the inside of the transformer are fixedly connected with a first cooling fin, one opposite side of the first cooling fin penetrates through and extends to two sides of the transformer, the right side of the transformer is fixedly connected with an oil outlet pipe communicated with the transformer, the other end of the oil outlet pipe is fixedly connected with a cooling box communicated with the oil outlet pipe, the top of the cooling box is communicated with an oil filling pipe, the cooling box is fixedly connected with an accelerated cooling device, the lower end of the accelerated cooling device penetrates through and extends to the inside of the cooling box, the right side of the inside of the cooling box is fixedly connected with a second cooling fin, the right side of the second cooling fin penetrates through and extends to the outside of the cooling box, the right side of the cooling box is fixedly provided with a first fan, the bottom end of the right side of the inside of the cooling box is communicated with an oil outlet valve, and the, the left end fixed mounting of water pump one advances oil pipe, advance oil pipe's left end and run through cooling box and transformer in proper order and extend to the inside of transformer, the inside fixed mounting of transformer has the cooling tube, the both sides of cooling tube run through respectively and extend to the both sides of transformer, the left side of transformer is provided with the heat dissipation case, the both ends of cooling tube communicate with heat dissipation case fixed connection each other respectively, the one end fixed mounting that the cooling tube is close to the transformer bottom has water pump two, the left side fixedly connected with fin three of heat dissipation incasement portion, fin three left ends run through and extend to the left side of heat dissipation case, the left side fixed mounting of heat dissipation case has fan two.

Preferably, cooling device includes the motor with higher speed, the bottom fixed connection of motor is in the top of cooling case, the output shaft of motor runs through and extends to the inside of cooling case, the output shaft fixedly connected with axis of rotation of motor, fixedly connected with flabellum in the axis of rotation.

Preferably, the left side of the bottom wall in the cooling box inclines upwards.

Preferably, the top of the heat dissipation box is uniformly provided with small heat dissipation holes.

Preferably, the top of the heat dissipation box is fixedly connected with a dust guard, and the dust guard is positioned above the small heat dissipation holes.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can cool down oil in the transformer through the inside fixed fin of transformer, and the cooling tube of the inside fixed mounting of transformer also can cool down oil in the transformer, and the coolant liquid can cool down the cooling tube in the cooling tube and make it carry out more effectual cooling processing to oil in the transformer, and oil in the transformer can flow and cool down in the cooling box and make the cooling effect to the transformer better in the transformer of converging, improves the practicality of device.

(2) This scheme passes through the rotation of motor and drives the axis of rotation, and the axis of rotation rotates and drives the flabellum and rotate, and the flabellum rotates the oil cooling that can cooling box with higher speed, and the oil after the cooling is converged and is handled its cooling in going into the transformer.

(3) This scheme can accelerate the oil of cooling incasement to emit through the left side tilt up of cooling incasement diapire, and the comparison that can release moreover is more thorough, improves the practicality of device.

(4) This scheme has evenly seted up the heat dissipation aperture through the top of heat dissipation case and can accelerate the indirect cooling effect that improves the transformer of cooling liquid in the heat dissipation case.

(5) This scheme is through the top fixedly connected with dust guard of heat dissipation case, and the dust guard is located the top of heat dissipation aperture, and the dust guard can shelter from rainwater and dust and get into the heat dissipation case from the heat dissipation aperture, improves the practicality of device.

(6) This scheme all is provided with sealed rubber ring through adding oil pipe, play oil pipe, advancing oil pipe, fin one, fin two, fin three and the intercommunication department of cooling tube, can effectually prevent that liquid from spilling over and cause the damage to the transformer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of an accelerated cooling device;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

The reference numbers in the figures illustrate:

1. a transformer; 2. a first heat sink; 3. an oil outlet pipe; 4. a cooling box; 5. an oil filler tube; 6. an accelerated cooling device; 601. a motor; 602. a rotating shaft; 603. a fan blade; 7. a second heat sink; 8. a first fan; 9. an oil outlet valve; 10. a first water pump; 11. an oil inlet pipe; 12. a radiating pipe; 13. a heat dissipation box; 14. a second water pump; 15. a third heat sink; 16. a second fan; 17. a heat dissipation small hole; 18. a dust guard.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; 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.

Referring to fig. 1-3, a power transformer includes a transformer 1, a first heat sink 2 is fixedly connected to both left and right sides of the inside of the transformer 1, the opposite sides of the first heat sink 2 are both penetrated through and extended to both sides of the transformer 1, the first heat sink 2 can cool the oil inside the transformer 1 to cool the transformer 1, an oil outlet pipe 3 is fixedly connected to the right side of the transformer 1, a cooling tank 4 is fixedly connected to the other end of the oil outlet pipe 3, an oil filling pipe 5 is connected to the top of the cooling tank 4, the oil filling pipe 5 can fill oil into the cooling tank 4 when the oil needs to be changed, an accelerated cooling device 6 is fixedly connected to the cooling tank 4, the lower end of the accelerated cooling device 6 penetrates through and extends to the inside of the cooling tank 4, a second heat sink 7 is fixedly connected to the right side of the inside of the cooling tank 4, the right side of the second cooling fin 7 penetrates through and extends to the outside of the cooling box 4, the second cooling fin 7 can cool oil in the cooling box 4, the cooling effect of the transformer 1 is indirectly improved, the right side of the cooling box 4 is fixedly provided with the first fan 8, the first fan 8 can blow air to the second cooling fin 7 to speed up cooling, the cooling effect of the cooling box 4 is strengthened, the cooling effect of the transformer 1 is indirectly improved, the bottom end of the right side in the cooling box 4 is communicated with the oil outlet valve 9, when oil needs to be added, the oil outlet valve 9 is opened to discharge the oil in the cooling box 4, new oil is added to the oil, the inner bottom wall of the cooling box 4 is fixedly connected with the first water pump 10, the left end of the first water pump 10 is fixedly provided with the oil inlet pipe 11, the left end of the oil inlet pipe 11 sequentially penetrates through the cooling box 4 and the transformer 1 and extends to the inside of the transformer 1, the first water pump 10 can pump the oil in the cooling box 4 into the transformer 1, the oil at the top of the transformer 1 can be changed into oil at the top, the oil can enter the cooling box 4 through the oil outlet pipe 3 to complete circulation, so that the cooling and heat dissipation effects are improved, the heat dissipation pipe 12 is fixedly arranged in the transformer 1, the heat in the transformer 1 can be taken away by the heat dissipation pipe 12, the cooling effect of the transformer 1 is increased, two sides of the heat dissipation pipe 12 respectively penetrate and extend to two sides of the transformer 1, the heat dissipation box 13 is arranged on the left side of the transformer 1, two ends of the heat dissipation pipe 12 are respectively and fixedly connected with the heat dissipation box 13 to be communicated with each other, the water pump 14 is fixedly arranged at one end of the heat dissipation pipe 12 close to the bottom of the transformer 1, the cooling liquid in the heat dissipation box 13 can be input by the water pump 14 from one end of the heat dissipation pipe 12, the heat in the heat dissipation pipe 12 can be taken away when the cooling liquid passes through the heat dissipation pipe, the inside left side fixedly connected with fin three 15 of heat dissipation case 13, fin three 15 can cool down to the coolant liquid in the heat dissipation case 13, and the left end of fin three 15 runs through and extends to the left side of heat dissipation case 13, and the left side fixed mounting of heat dissipation case 13 has fan two 16, and fan two 16 can accelerate the radiating rate of fin three 15, indirect improvement transformer 1's radiating effect, increase the practicality of device.

Further, cooling device 6 includes motor 601 with higher speed, the bottom fixed connection of motor 601 is in the top of cooling case 4, the output shaft of motor 601 runs through and extends to the inside of cooling case 4, the output shaft fixedly connected with axis of rotation 602 of motor 601, fixedly connected with flabellum 603 on the axis of rotation 602, rotation through motor 601 drives axis of rotation 602 and rotates, axis of rotation 602 rotates and drives flabellum 603 and rotate, the flabellum 603 rotates the oil cooling that can accelerate cooling case 4, the oil after the cooling converges to handle its cooling in transformer 1.

Furthermore, the left side tilt up of the interior diapire of cooling box 4 can accelerate the oil of cooling box 4 to emit, and the more thorough that can release moreover improves the practicality of device.

Furthermore, the first cooling fin 2, the second cooling fin 7, the third cooling fin 15 and the cooling tube 12 are all made of red copper, and the heat of the transformer 1 can be quickly conducted and absorbed to achieve the purpose of cooling, so that the cooling effect of the transformer 1 is improved, the heat of the cooling liquid in the cooling box 13 can be quickly conducted, the cooling effect of the device is indirectly improved, and the heat in the cooling box 4 can be quickly conducted and dissipated, so that the cooling effect of the device is indirectly improved.

Furthermore, the top of the heat dissipation box 13 is uniformly provided with small heat dissipation holes 17, and the small heat dissipation holes 17 can accelerate the cooling of the cooling liquid in the heat dissipation box 13 to indirectly improve the cooling effect of the transformer 1.

Furthermore, the top of the heat dissipation box 13 is fixedly connected with a dust guard 18, the dust guard 18 is located above the heat dissipation small hole 17, the dust guard 18 can shield rain and dust from entering the heat dissipation box 13 from the heat dissipation small hole 17, and the practicability of the device is improved.

Furthermore, the oil filling pipe 5, the oil outlet pipe 3, the oil inlet pipe 11, the first radiating fin 2, the second radiating fin 7, the third radiating fin 15 and the radiating pipe 12 are all provided with sealing rubber rings at the communication positions, so that the sealing rings can effectively prevent liquid from overflowing to damage the transformer 1, and the safety of the device is improved.

The working principle is as follows: firstly, the first cooling fin 2 in the transformer 1 cools the oil in the transformer 1, the cooling pipe 12 also cools the oil in the transformer 1, then the second water pump 14 is electrified to work, the second water pump 14 is electrified to work to transport one end of the cooling liquid in the cooling box 13 to the inside of the cooling pipe 12, so that the cooling efficiency of the cooling pipe 12 is further improved, then a large amount of heat absorbed by the cooling liquid flows back into the cooling box 13 from the other end of the cooling pipe 12 to complete circulation, the third cooling fin 15 in the cooling box 13 accelerates the heat dissipation of the cooling liquid, then the first water pump 10 is electrified to work, the first water pump 10 transports the oil in the cooling box 4 to the transformer 1, the oil heated in the transformer 1 flows into the cooling box 4 from the oil outlet pipe 3 to complete circulation, the oil flowing into the cooling box 4 is cooled by the accelerated cooling device 6, and then is transported to the inside of the transformer 1 by the first water pump 10 after being cooled by the second cooling fin 7, the effect of cooling in the transformer 1 is improved, if the oil staff who needs to change in the transformer 1 only need close all powers, open the oil discharge opening on the transformer 1 and carry out the oil discharge to the transformer 1, opening the oil outlet valve 9 and discharging oil, close the oil discharge opening and add new oil to fill up in adding oil pipe 5 with oil outlet valve 9 can, solved the poor problem of ordinary transformer 1 cooling radiating effect.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. Power transformer, including transformer (1), its characterized in that: the transformer comprises a transformer (1), wherein the left side and the right side of the interior of the transformer (1) are fixedly connected with first cooling fins (2), one side of each of the two first cooling fins (2) back to the back is penetrated through and extended to two sides of the transformer (1), the right side of the transformer (1) is fixedly connected with an oil outlet pipe (3) communicated with the transformer, the other end of the oil outlet pipe (3) is fixedly connected with a cooling box (4) communicated with the oil outlet pipe, the top of the cooling box (4) is communicated with an oil filling pipe (5), the cooling box (4) is fixedly connected with an accelerated cooling device (6), the lower end of the accelerated cooling device (6) is penetrated through and extended to the interior of the cooling box (4), the right side of the interior of the cooling box (4) is fixedly connected with second cooling fins (7), the right side of the second cooling fins (7) is penetrated through and extended to the exterior of the cooling box (4), and the right side of the, the bottom intercommunication on the inside right side of cooling box (4) has oil outlet valve (9), the interior diapire fixedly connected with water pump (10) of cooling box (4), the left end fixed mounting of water pump (10) advances oil pipe (11), the left end that advances oil pipe (11) runs through cooling box (4) and transformer (1) in proper order and extends to the inside of transformer (1), the inside fixed mounting of transformer (1) has cooling tube (12), the both sides of cooling tube (12) run through respectively and extend to the both sides of transformer (1), the left side of transformer (1) is provided with heat dissipation box (13), the both ends of cooling tube (12) communicate with heat dissipation box (13) fixed connection each other respectively, the one end fixed mounting that cooling tube (12) is close to transformer (1) bottom has water pump two (14), the inside left side fixedly connected with fin three (15) of cooling box (13), the left end of the third radiating fin (15) penetrates through and extends to the left side of the radiating box (13), and a second fan (16) is fixedly mounted on the left side of the radiating box (13).

2. A power transformer according to claim 1, characterized in that: accelerated cooling device (6) includes motor (601), the bottom fixed connection of motor (601) is in the top of cooling case (4), the output shaft of motor (601) runs through and extends to the inside of cooling case (4), the output shaft fixedly connected with axis of rotation (602) of motor (601), fixedly connected with flabellum (603) on axis of rotation (602).

3. A power transformer according to claim 1, characterized in that: the left side of the inner bottom wall of the cooling box (4) is inclined upwards.

4. A power transformer according to claim 1, characterized in that: the top of the heat dissipation box (13) is uniformly provided with small heat dissipation holes (17).

5. A power transformer according to claim 4, characterized in that: the top fixedly connected with dust guard (18) of heat dissipation case (13), dust guard (18) are located the top of heat dissipation aperture (17).

6. A power transformer according to claim 1, characterized in that: the oil filling pipe (5), the oil outlet pipe (3), the oil inlet pipe (11), the first radiating fin (2), the second radiating fin (7), the third radiating fin (15) and the radiating pipe (12) are communicated with each other to form a sealing rubber ring.