CN220569510U - Efficient heat dissipation oil immersed transformer - Google Patents

Abstract

The utility model discloses an oil immersed transformer with high-efficiency heat dissipation, which comprises an oil tank and a heat dissipation unit; and an oil tank: the oil tank is internally provided with an iron core, the upper end of the oil tank is provided with an oil storage cabinet, the oil storage cabinet is communicated with the inside of the oil tank, the left side surface and the right side surface of the oil tank are respectively provided with small heat dissipation shells which are uniformly distributed, the small heat dissipation shells are communicated with the inside of the oil tank, and the front side surface and the rear side surface of each small heat dissipation shell are respectively provided with a first heat dissipation rib which is uniformly distributed; and a heat radiation unit: set up in the lateral surface of oil tank, radiating element includes big heat dissipation shell and baffle, and this high-efficient radiating oil immersed transformer can establish gas runner in big heat dissipation shell's inside, then utilizes centrifugal fan to carry out the drainage to gas, makes the outside air current quick follow the runner through have the heat dissipation to the transformer oil of both sides, and the runner is tortuous to have good heat transfer effect with the air simultaneously, can carry out high-efficient heat dissipation, has good result of use.

Description

Efficient heat dissipation oil immersed transformer

Technical Field

The utility model relates to the technical field of transformers, in particular to an oil immersed transformer with efficient heat dissipation.

Background

The transformer is basic equipment for power transmission and distribution, is a device for changing alternating voltage by utilizing the principle of electromagnetic induction, and can be generally divided into an oil immersed transformer and a dry transformer, the oil immersed transformer dissipates heat and cools through insulating oil, the insulating oil can transfer heat of an iron core and a winding to the surface of the transformer, then the heat is dissipated through natural ventilation, the air flow speed is poor, and the heat dissipation effect is improved.

Disclosure of Invention

The utility model aims to overcome the existing defects, and provides the oil immersed transformer with high-efficiency heat dissipation, which can establish an air flow channel in a transformer heat dissipation shell, drain air to accelerate the circulation speed of the air, exchange heat with transformer oil at two sides, realize high-efficiency heat dissipation and effectively solve the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an oil immersed transformer with high-efficiency heat dissipation comprises an oil tank and a heat dissipation unit;

and an oil tank: the oil tank is internally provided with an iron core, the upper end of the oil tank is provided with an oil storage cabinet, the oil storage cabinet is communicated with the inside of the oil tank, the left side surface and the right side surface of the oil tank are respectively provided with small heat dissipation shells which are uniformly distributed, the small heat dissipation shells are communicated with the inside of the oil tank, and the front side surface and the rear side surface of each small heat dissipation shell are respectively provided with a first heat dissipation rib which is uniformly distributed;

and a heat radiation unit: the air flow channel is arranged on the outer side face of the oil tank, the air flow channel is established in the large heat dissipation shell, then the centrifugal fan is utilized to conduct air, external air flow is promoted to rapidly dissipate heat from the oil on two sides through the oil channels, meanwhile, the heat exchange effect between the tortuous flow channel and the air is good, efficient heat dissipation can be achieved, and the air flow channel has good use effect.

Further, the radiating unit comprises a large radiating shell and a partition plate, the large radiating shells are uniformly arranged on the front side and the rear side of the oil tank respectively, the large radiating shells are communicated with the inside of the oil tank, the partition plates are symmetrically distributed in the large radiating shells, and an air flow channel is established.

Further, the radiating unit further comprises a ventilating pipe and a centrifugal fan, the ventilating pipe is arranged at the upper end of the outer surface of the oil tank, rectangular holes in the upper end of the large radiating shell are communicated with the inside of the ventilating pipe through rectangular pipes, the centrifugal fan is arranged at the air suction hole of the left side face of the ventilating pipe, the input end of the centrifugal fan is electrically connected with the output end of the external controller, and air is conveniently drained.

Further, the heat dissipation unit further comprises air guide plates, wherein the air guide plates are uniformly arranged between the two partition plates respectively, and the contact area with air is increased.

Further, the heat dissipation unit further comprises heat dissipation ribs II which are uniformly arranged on the left side surface and the right side surface of the large heat dissipation shell respectively, so that the heat dissipation surface area of the large heat dissipation shell is increased.

Further, the air outlet end of the centrifugal fan is provided with a rain cover, and the upper end of the rain cover is provided with evenly distributed air outlet holes for preventing rainwater from entering.

Further, the inlet opening department of big heat dissipation shell lower surface all is equipped with the support cover, and the lower extreme of support cover all is equipped with the filter screen, prevents the entering of foreign matter.

Compared with the prior art, the utility model has the beneficial effects that: this high-efficient radiating oil-immersed transformer has following benefit:

when the temperature is higher, can regulate and control external control ware, centrifugal fan carries out the convulsions to the ventilation pipe, and then the ventilation pipe carries out the convulsions to the runner that big heat dissipation shell inside baffle and wind-guiding piece formed, then the air current of below will pass filter screen and supporting cover and enter into the inside of big heat dissipation shell runner, and then the air that flows fast carries out the heat transfer through wind-guiding piece and baffle and transformer oil, and then realize the efficient heat dissipation of transformer, the wind-guiding piece is the wave simultaneously, the distance that has prolonged the gas flow, and can make air and the abundant contact of wind-guiding piece, establish the gas runner in the inside of big heat dissipation shell, then utilize centrifugal fan to carry out the drainage to gas, it has the heat dissipation to impel outside air current quick follow the runner to have through the transformer oil to both sides, the runner is tortuous has good heat transfer effect with the air simultaneously, can carry out efficient heat dissipation, good result of use.

Drawings

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

FIG. 2 is an enlarged schematic view of the structure of the present utility model at A;

FIG. 3 is a schematic cross-sectional view of the fuel tank of the present utility model;

FIG. 4 is an enlarged schematic view of the structure of the present utility model at B;

fig. 5 is an enlarged schematic view of the structure of the present utility model at C.

In the figure: 1 oil tank, 2 iron cores, 3 oil conservator, 4 little cooling shells, 5 cooling ribs, 6 cooling units, 61 big cooling shells, 62 partition plates, 63 ventilation pipes, 64 centrifugal fans, 65 air guide plates, 66 cooling ribs, 7 rain-proof covers, 8 air outlet holes, 9 supporting covers and 10 filter screens.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, the present embodiment provides a technical solution: an oil immersed transformer with high-efficiency heat dissipation comprises an oil tank 1 and a heat dissipation unit 6;

oil tank 1: the transformer oil tank is characterized in that an iron core 2 is arranged in the transformer oil tank, the iron core 2 plays a role in magnetic conduction and also plays a role in supporting, meanwhile, an oil storage tank 3 is arranged at the upper end of the oil tank 1, transformer oil is conveniently supplied to the oil tank 1 by the oil storage tank 3, the oil tank 1 protects internal parts, the oil storage tank 3 is communicated with the inside of the oil tank 1, in the using process, the iron core 2 and the windings on the surface of the iron core 2 are immersed into transformer oil in the oil tank 1, small heat dissipation shells 4 which are uniformly distributed are arranged on the left side surface and the right side surface of the oil tank 1, the small heat dissipation shells 4 are communicated with the inside of the oil tank 1, the transformer oil enters the small heat dissipation shells 4, the transformer oil has a good heat conduction effect, the heat of the iron core 2 and the windings is transferred to the surfaces of the oil tank 1 and the small heat dissipation shells 4, the front side surface and the rear side surfaces of the small heat dissipation shells 4 are respectively provided with uniformly distributed heat dissipation ribs 1, and the heat dissipation ribs 5 increase the heat dissipation surface area of the small heat dissipation shells 4;

heat radiation unit 6: the heat dissipation unit 6 comprises a large heat dissipation shell 61 and a partition plate 62, wherein the large heat dissipation shell 61 is respectively and uniformly arranged on the front side and the rear side of the oil tank 1, the large heat dissipation shell 61 is communicated with the inside of the oil tank 1, the inside of the large heat dissipation shell 61 is provided with the partition plates 62 which are symmetrically distributed, the heat dissipation unit 6 also comprises a ventilation pipe 63 and a centrifugal fan 64, the ventilation pipe 63 is arranged at the upper end of the outer surface of the oil tank 1, rectangular holes at the upper end of the large heat dissipation shell 61 are respectively communicated with the inside of the ventilation pipe 63 through rectangular pipes, the centrifugal fan 64 is arranged at the air suction hole of the left side of the ventilation pipe 63, the input end of the centrifugal fan 64 is electrically connected with the output end of an external controller, the heat dissipation unit 6 also comprises air guide plates 65, the air guide plates 65 are respectively and uniformly arranged between the two partition plates 62, when the temperature is higher, the external controller can be regulated, the centrifugal fan 64 can exhaust the ventilation pipe 63, the ventilating pipe 63 then performs ventilation on a flow channel formed by the partition plate 62 and the air guide plate 65 inside the large heat dissipation shell 61, air flowing rapidly exchanges heat with transformer oil through the air guide plate 65 and the partition plate 62, and therefore efficient heat dissipation of the transformer is achieved, meanwhile, the air guide plate 65 is wavy, the air flowing distance is prolonged, the air and the air guide plate 65 can be fully contacted, and further, a good heat dissipation effect is achieved, the heat dissipation unit 6 further comprises heat dissipation ribs II 66, the heat dissipation ribs II 66 are uniformly arranged on the left side surface and the right side surface of the large heat dissipation shell 61 respectively, the heat dissipation surface area of the large heat dissipation shell 61 is increased by the heat dissipation ribs II, a good natural heat dissipation effect is achieved, the air outlet end of the centrifugal fan 64 is provided with a rain cover 7, the air outlet end of the centrifugal fan 64 is covered by the rain cover 7 to prevent the entry of rainwater, the upper end of the rain cover 7 is provided with air outlet holes 8 which are uniformly distributed, the air outlet hole 8 is inclined from bottom to top to the direction that is close to the center of the rain cover 7, so that the air is conveniently discharged, the entering of rainwater can be blocked, the support cover 9 is arranged at the air inlet hole of the lower surface of the large heat dissipation shell 61, the filter screen 10 is arranged at the lower end of the support cover 9, the air flow below passes through the filter screen 10 and the support cover 9 to enter the inside of the flow channel of the large heat dissipation shell 61, and the filter screen 10 filters the air to avoid entering of foreign matters.

The working principle of the oil immersed transformer with high-efficiency heat dissipation provided by the utility model is as follows: during the use, the winding on iron core 2 and iron core 2 surface will dip into the inside transformer oil of oil tank 1, simultaneously transformer oil can enter into the inside of little radiating shell 4 and big radiating shell 61, transformer oil has good heat conduction effect, the heat transfer of iron core 2 and winding to the surface of oil tank 1, little radiating shell 4 and big radiating shell 61, outside air current carries out natural heat dissipation to oil tank 1, little radiating shell 4 and big radiating shell 61, radiating rib one 5 has increased the radiating surface area of little radiating shell 4 simultaneously, radiating rib two 66 has increased the radiating surface area of big radiating shell 61, have good natural radiating effect, when the temperature is higher, can regulate and control external control ware, centrifugal fan 64 is to ventilation pipe 63, and then ventilation pipe 63 carries out the convulsions to the runner that big radiating shell 61 inside baffle 62 and air guide piece 65 formed, then the air current of below will pass filter screen 10 and supporting cover 9 and enter into the inside of big shell 61 runner, and then the fast air that flows carries out heat transfer through air guide piece 65 and baffle 62 and transformer oil, and then realize high-efficient radiating effect, simultaneously, the air guide 65 has been waved for the air guide piece that has prolonged, and the radiating effect can be fully contacted with the air guide piece, and the radiating effect is good.

It should be noted that, the centrifugal fan 64 disclosed in the above embodiment may be freely configured according to the practical application scenario, and the centrifugal fan 64 may be a centrifugal fan with a model CY127, and the external controller controls the centrifugal fan 64 to work by a method commonly used in the prior art.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. An oil immersed transformer with high-efficient heat dissipation, which is characterized in that: comprises an oil tank (1) and a heat radiation unit (6);

oil tank (1): the oil tank is internally provided with an iron core (2), the upper end of the oil tank (1) is provided with an oil storage cabinet (3), the oil storage cabinet (3) is communicated with the inside of the oil tank (1), the left side surface and the right side surface of the oil tank (1) are respectively provided with small heat dissipation shells (4) which are uniformly distributed, the small heat dissipation shells (4) are respectively communicated with the inside of the oil tank (1), and the front side surface and the rear side surface of each small heat dissipation shell (4) are respectively provided with a first heat dissipation rib (5) which is uniformly distributed;

heat dissipation unit (6): is arranged on the outer side surface of the oil tank (1).

2. The high-efficiency heat-dissipating oil-immersed transformer of claim 1, wherein: the heat dissipation unit (6) comprises a large heat dissipation shell (61) and a partition plate (62), the large heat dissipation shell (61) is uniformly arranged on the front side surface and the rear side surface of the oil tank (1), the large heat dissipation shell (61) is communicated with the inside of the oil tank (1), and the partition plates (62) which are symmetrically distributed are arranged in the large heat dissipation shell (61).

3. The high-efficiency heat-dissipating oil-immersed transformer of claim 2, wherein: the heat dissipation unit (6) further comprises a ventilation pipe (63) and a centrifugal fan (64), the ventilation pipe (63) is arranged at the upper end of the outer surface of the oil tank (1), rectangular holes at the upper end of the large heat dissipation shell (61) are communicated with the inside of the ventilation pipe (63) through rectangular pipes, the centrifugal fan (64) is arranged at the air suction hole of the left side face of the ventilation pipe (63), and the input end of the centrifugal fan (64) is electrically connected with the output end of the external controller.

4. The high-efficiency heat-dissipating oil-immersed transformer of claim 2, wherein: the heat dissipation unit (6) further comprises air guide plates (65), and the air guide plates (65) are uniformly arranged between the two partition plates (62) respectively.

5. The high-efficiency heat-dissipating oil-immersed transformer of claim 2, wherein: the heat dissipation unit (6) further comprises heat dissipation ribs II (66), and the heat dissipation ribs II (66) are uniformly arranged on the left side surface and the right side surface of the large heat dissipation shell (61) respectively.

6. A high efficiency heat dissipating oil immersed transformer according to claim 3, wherein: the air outlet end of the centrifugal fan (64) is provided with a rain cover (7), and the upper end of the rain cover (7) is provided with air outlet holes (8) which are uniformly distributed.

7. The high-efficiency heat-dissipating oil-immersed transformer of claim 2, wherein: the air inlet hole of big heat dissipation shell (61) lower surface department all is equipped with support cover (9), and the lower extreme of support cover (9) all is equipped with filter screen (10).