CN208460524U - A kind of special transformer suitable for high-altitude installation - Google Patents

Abstract

The utility model provides a kind of special transformer suitable for high-altitude installation, belongs to technical field of electric equipment.Eigen transformer includes the fuel tank of winding and package winding, transformer oil is filled in fuel tank, a heat sink is provided with outside fuel tank, heat sink connects an oil inlet pipe and an oil return pipe, oil inlet pipe is connected with the lower end of fuel tank, and oil return pipe is connected with the upper end of fuel tank, and a shaft is connected between fuel tank and heat sink, an impeller is fixedly installed in shaft, one end of shaft is connected with heat sink；The other end of shaft protrudes into fuel tank, and it is fixedly installed a power rotor, it is fixedly installed a hollow shell in fuel tank, is rotatably connected to the driven rotor engaged with power rotor in shell, it power rotor and is respectively positioned in shell from shaft, housing cavity is connected with oil return pipe.The utility model has many advantages, such as that transformer oil circulation can be accelerated, improves heat dissipation effect.

Description

A kind of special transformer suitable for high-altitude installation

Technical field

The utility model belongs to technical field of electric equipment, is related to a kind of special transformer suitable for high-altitude installation.

Background technique

Oil-immersed transformer is the fuel tank that coil windings are wrapped up by one, and transformer oil is filled in fuel tank, is made main Heater --- the heat of winding can Quick diffusing according to the height of cooling requirements, become to carry out cooling protection to it The circulation of depressor oil has a Natural Circulation and two kinds of forced circulation, and Natural Circulation is the variation using transformer oil temperature, make its It is recycled between heat-dissipating pipe and fuel tank, circulating effect is poor, and temperature unevenness makes its defect, and forced circulation structure is complicated, maintenance week Phase is short, also brings many inconvenience.

Some transformers need to be mounted on liftoff higher position, using strong due to the requirement of installation environment and safety System circulation, not only structure is complicated, but also due to the operation of driving motor, has larger impact to its stability, firmness, for a long time Operation be easy to cause transformer bracket to loosen and tilt.

Utility model content

The purpose of this utility model be aiming at the above problems existing in the prior art, provide it is a kind of suitable for high-altitude installation Special transformer, technical problem to be solved in the utility model are how to accelerate the circulation of transformer oil, improve heat dissipation effect.

The purpose of this utility model can be realized by the following technical scheme: a kind of extraordinary transformation suitable for high-altitude installation Device, which is characterized in that eigen transformer includes the fuel tank of winding and package winding, is filled with transformer oil in the fuel tank, It is provided with a heat sink outside the fuel tank, the heat sink connects an oil inlet pipe and an oil return pipe, the oil inlet pipe and fuel tank Lower end is connected, and the oil return pipe is connected with the upper end of fuel tank, and a shaft, the shaft are connected between the fuel tank and heat sink On be fixedly installed an impeller, one end of the shaft is connected with heat sink；The other end of the shaft protrudes into fuel tank, and solid Surely it is provided with a power rotor, a hollow shell is fixedly installed in the fuel tank, is rotatably connected in the shell and master The driven rotor of turn engagement, the power rotor and is respectively positioned in shell, the housing cavity and oil return pipe phase from shaft Even.

It since this special transformer is mounted on high altitude environment, is rotated by wind energy impeller, enables heat sink side Preferably heat dissipation, at the same time, the shaft where impeller drive power rotor and driven rotor rotation, make the transformer in fuel tank Oil can between heat sink and fuel tank Rapid Circulation.

The impeller of this transformer setting, can not only radiate to heat sink side using impeller water conservancy diversion, and can also The rotation for enough utilizing impeller, recycles transformer oil between fuel tank and heat sink, accelerates the heat dissipation of transformer on both side.

Power rotor and driven rotor, which drive to transformer oil, leads, and so that it is entered heat sink from oil inlet pipe, from oil return pipe Into fuel tank middle and upper part, in fuel tank, the effect stirred up and down is played to transformer oil.

In a kind of above-mentioned special transformer suitable for high-altitude installation, pass through a connection between the shell and oil return pipe Oil pipe is connected, and the fuel sucking pipe for extending to tank bottoms is additionally provided on the shell, permission transformation is provided in the connected pipes Device oil enters the check valve one of oil return pipe, and being provided in the fuel sucking pipe allows transformer oil to enter the check valve in fuel sucking pipe Two.

In a kind of above-mentioned special transformer suitable for high-altitude installation, the heat sink includes several disposed in parallel Branch pipe, the both ends of the branch pipe are separately connected oil inlet pipe and oil return pipe, and the branch pipe includes three and is evenly distributed on branch pipe axis Outer protuberance is seamlessly transitted by the curved surface of an indent between adjacent ridges.

In tool there are three the structure swelled, surface area is big in the section of branch pipe, and the intensity of branch pipe is high, can be to lateral gas Stream is oriented to, its better heat-radiation effect is made.

In a kind of above-mentioned special transformer suitable for high-altitude installation, in the heat sink, adjacent branch pipe misplaces 60 °, Make one of a wherein branch pipe to swell to be located at the inner sunken face in another branch pipe between two protuberances.

Adjacent branch pipe plays mutual guide functions, and in identical horizontal space, the arrangement mode of this branch pipe has branch pipe More, mutual gap is bigger, and it is interior that mutual gap drives air-flow that can not directly act on by air-flow Recessed curved surface, so that the more surfaces of branch pipe be enable to receive airflow function.

In a kind of above-mentioned special transformer suitable for high-altitude installation, one is fixed between the oil inlet pipe and oil return pipe Mounting plate is connected between the outer end and mounting plate of the shaft by bearing.

Detailed description of the invention

Fig. 1 is the overall structure diagram of this transformer.

Fig. 2 is the sectional view of shell in this transformer.

Fig. 3 is the sectional view in Fig. 2 on the direction A.

Fig. 4 is the arrangement mode schematic diagram of branch pipe in this transformer.

In figure, 1, winding；2, fuel tank；3, heat sink；31, branch pipe；32, it swells；41, oil inlet pipe；42, oil return pipe；51, turn Axis；52, impeller；53, power rotor；54, driven rotor；55, shell；56, connected pipes；57, fuel sucking pipe；58, check valve one； 59, check valve two；6, mounting plate.

Specific embodiment

It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further Description, but the utility model is not limited to these examples.

As shown in Figure 1, Figure 2 and Figure 3, eigen transformer includes the fuel tank 2 of winding 1 and package winding 1, is filled out in fuel tank 2 Filled with transformer oil, a heat sink 3 is provided with outside fuel tank 2, heat sink 3 connects an oil inlet pipe 41 and an oil return pipe 42, oil inlet pipe 41 are connected with the lower end of fuel tank 2, and oil return pipe 42 is connected with the upper end of fuel tank 2, and a shaft is connected between fuel tank 2 and heat sink 3 51, an impeller 52 is fixedly installed in shaft 51, and one end of shaft 51 is connected with heat sink 3；The other end of shaft 51 protrudes into oil In case 2, and it is fixedly installed a power rotor 53, a hollow shell 55 is fixedly installed in fuel tank 2, rotation connects in shell 55 It is connected to the driven rotor 54 engaged with power rotor 53, power rotor 53 and is respectively positioned in shell 55 from shaft 51, in shell 55 Chamber is connected with oil return pipe 42.

Since this special transformer is mounted on high altitude environment, is rotated by wind energy impeller 52, enable 3 side of heat sink Enough preferably heat dissipations, at the same time, the shaft 51 where impeller 52 drives power rotor 53 and driven rotor 54 to rotate, and makes fuel tank Transformer oil in 2 can between heat sink 3 and fuel tank 2 Rapid Circulation.

The impeller 52 of this transformer setting, can not only radiate to 3 side of heat sink using 52 water conservancy diversion of impeller, and The rotation that impeller 52 can also be utilized, recycles transformer oil between fuel tank 2 and heat sink 3, accelerates transformer on both side Heat dissipation.

Power rotor 53 and driven rotor 54, which drive to transformer oil, leads, it is made to enter heat sink 3 from oil inlet pipe 41, from Oil return pipe 42 plays the effect stirred up and down to transformer oil in fuel tank 2 into 2 middle and upper part of fuel tank.

It is connected between shell 55 and oil return pipe 42 by a connected pipes 56, is additionally provided on shell 55 and extends to 2 bottom of fuel tank The fuel sucking pipe 57 in portion is provided with the check valve 1 for allowing transformer oil to enter oil return pipe 42, fuel sucking pipe 57 in connected pipes 56 Inside being provided with allows transformer oil to enter the check valve 2 59 in fuel sucking pipe 57.

As shown in Figure 1 and Figure 4, heat sink 3 includes several branch pipes 31 disposed in parallel, and the both ends of branch pipe 31 are separately connected Oil inlet pipe 41 and oil return pipe 42, branch pipe 31 include three protuberances 32 being evenly distributed on outside 31 axis of branch pipe, adjacent ridges 32 it Between seamlessly transitted by the curved surface of an indent；In tool there are three the structure of protuberance 32, surface area is big in the section of branch pipe 31, and props up The intensity of pipe 31 is high, can be oriented to crossflow, make its better heat-radiation effect.

In heat sink 3, adjacent branch pipe 31 misplaces 60 °, makes one of a wherein branch pipe 31 to swell 32 and is located at another branch At inner sunken face in pipe 31 between two protuberances 32；Adjacent branch pipe 31 plays mutual guide functions, in identical horizontal space Interior, the arrangement mode of this branch pipe 31 is bigger with more, the mutual gap of branch pipe 31, and mutual gap is driven The curved surface for the indent that act on air-flow can not directly by air-flow, so that the more surfaces of branch pipe 31 be enable to receive air-flow work With.

It is fixed with a mounting plate 6 between oil inlet pipe 41 and oil return pipe 42, passes through axis between the outer end and mounting plate 6 of shaft 51 It holds connected.

The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.

Claims (5)

1. it is a kind of suitable for high-altitude installation special transformer, which is characterized in that eigen transformer include winding (1) and wrap up around The fuel tank (2) of group (1), the fuel tank (2) is interior to be filled with transformer oil, and a heat sink (3), institute are provided with outside the fuel tank (2) It states heat sink (3) connection one oil inlet pipe (41) and an oil return pipe (42), the oil inlet pipe (41) is connected with the lower end of fuel tank (2), The oil return pipe (42) is connected with the upper end of fuel tank (2), is connected with a shaft (51) between the fuel tank (2) and heat sink (3), It is fixedly installed an impeller (52) on the shaft (51), one end of the shaft (51) is connected with heat sink (3)；The shaft (51) the other end protrudes into fuel tank (2), and is fixedly installed a power rotor (53), is fixedly installed in the fuel tank (2) One hollow shell (55), the shell (55) is interior to be rotatably connected to the driven rotor (54) engaged with power rotor (53), institute It states power rotor (53) and is respectively positioned in shell (55) from shaft (51), shell (55) inner cavity is connected with oil return pipe (42).

2. according to claim 1 it is a kind of suitable for high-altitude installation special transformer, which is characterized in that the shell (55) with It is connected between oil return pipe (42) by a connected pipes (56), is additionally provided on the shell (55) and extends to fuel tank (2) bottom Fuel sucking pipe (57), the connected pipes (56) are interior to be provided with the check valve one (58) for allowing transformer oil to enter oil return pipe (42), Being provided in the fuel sucking pipe (57) allows transformer oil to enter the check valve two (59) in fuel sucking pipe (57).

3. a kind of special transformer suitable for high-altitude installation according to claim 1 or claim 2, which is characterized in that the heat sink It (3) include several branch pipes (31) disposed in parallel, the both ends of the branch pipe (31) are separately connected oil inlet pipe (41) and oil return pipe (42), the branch pipe (31) includes three protuberances (32) being evenly distributed on outside branch pipe (31) axis, between adjacent ridges (32) It is seamlessly transitted by the curved surface of an indent.

4. a kind of special transformer suitable for high-altitude installation according to claim 3, which is characterized in that the heat sink (3) In, adjacent branch pipe (31) misplaces 60 °, is located at a protuberance (32) of a wherein branch pipe (31) two in another branch pipe (31) At inner sunken face between a protuberance (32).

5. a kind of special transformer suitable for high-altitude installation according to claim 1 or claim 2, which is characterized in that the oil inlet pipe (41) it is fixed between oil return pipe (42) mounting plate (6), passes through axis between the outer end and mounting plate (6) of the shaft (51) It holds connected.