CN220672347U

CN220672347U - Accident oil pool of oil immersed power transformer

Info

Publication number: CN220672347U
Application number: CN202322381278.5U
Authority: CN
Inventors: 徐晓明; 夏祥芹; 王杨; 况晓玲; 邱晓燕
Original assignee: Shandong Taorient Electric Engineering Co ltd
Current assignee: Shandong Taorient Electric Engineering Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2024-03-26
Anticipated expiration: 2033-09-04

Abstract

The utility model discloses an accident oil pool of an oil immersed power transformer, which comprises an oil pool tank body, wherein a pressure relief pipe is fixedly connected with the side edge of the upper top surface of the oil pool tank body in a penetrating manner, a connecting guide pipe is fixedly connected with the side edge of one end of the upper top surface of the oil pool tank body far away from the pressure relief pipe in a penetrating manner, a cooling ring box is fixedly connected with the outer curved surface of the lower end of the cooling ring box in a penetrating manner, a water outlet pipe is fixedly connected with the opening of the rear top end of the water outlet pipe in a penetrating manner, a refrigerator is fixedly arranged on the outer side surface of the water outlet pipe in a penetrating manner, a water suction pump is fixedly arranged in the middle of the upper top surface of the water storage tank, a water inlet pipe is fixedly arranged on the water suction pump drain pipe part, a motor bracket is fixedly connected with the middle of the end surface of the oil pool tank body, and a stirring motor is fixedly arranged on the upper top of the motor bracket. The utility model can stir and accelerate the cooling of the accident oil while continuously cooling the accident oil.

Description

Accident oil pool of oil immersed power transformer

Technical Field

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

Background

The transformer is a device for changing ac voltage by using the principle of electromagnetic induction, and its main components are a primary coil, a secondary coil and an iron core (magnetic core), and the main functions of the transformer are: voltage transformation, current transformation, impedance transformation, isolation, voltage stabilization (magnetic saturation transformers) and the like, wherein the transformers are basic equipment for power transmission and distribution and are widely applied to the fields of industry, agriculture, traffic, urban communities and the like;

the transformer can be divided into a dry type transformer and an oil-immersed transformer according to a cooling mode, the oil-immersed transformer is cooled by oil, such as oil immersion self-cooling, oil immersion air cooling, oil immersion water cooling, forced oil circulation and the like, wherein the oil-immersed transformer can automatically discharge cooling oil into the oil-immersed transformer through a pressure valve when internal cooling oil pressure is increased to a certain value due to faults in the use process of the oil-immersed transformer, and is discharged into an accident oil pool of the oil-immersed power transformer through a guide pipe for centralized treatment, so that the possibility of explosion caused by overlarge pressure of the cooling oil in the oil-immersed transformer is avoided.

However, in the prior art, when the accident oil pool of the oil immersed power transformer is used in actual use, the common accident oil pool is a common container oil pool, the function of rapidly cooling the cooling oil is not provided, and when the function of rapidly cooling the cooling oil is not provided, high-temperature cooling oil is discharged into the accident oil pool, the risk of high temperature and high pressure still exists, so that the accident oil pool of the oil immersed power transformer has a certain limitation in use.

Disclosure of Invention

The utility model aims to provide an accident oil pool of an oil-immersed power transformer, which aims to solve the problems that in the process of using the accident oil pool of the oil-immersed power transformer, the common accident oil pool is a common container oil pool and does not have the function of quickly cooling oil, and when the accident oil pool is not provided with the function of quickly cooling the cooling oil, high-temperature cooling oil is discharged into the accident oil pool, the risk of high temperature and high pressure still exists, so that the accident oil pool of the oil-immersed power transformer has a certain limitation in use.

In order to achieve the above purpose, the present utility model provides the following technical solutions: including the oil tank jar body, top surface side runs through fixedly connected with pressure release pipe on the oil tank jar body, top surface is kept away from pressure release pipe one end side and runs through fixedly connected with connecting tube on the oil tank jar body, the outer curved surface fixedly connected with cooling ring case of oil tank jar, cooling ring case lower extreme outer curved surface runs through fixedly connected with outlet pipe, top opening part fixedly connected with storage water tank behind the outlet pipe, storage water tank lateral surface runs through fixedly mounted and is provided with the refrigerator, top surface mid-section fixedly mounted is provided with the suction pump on the storage water tank, suction pump drain pipe part fixedly mounted is provided with the inlet tube, oil tank jar body terminal surface mid-section fixedly connected with motor support, top fixedly mounted is provided with agitator motor on the motor support, bottom transmission shaft part fixedly mounted is provided with the axis of rotation down, the outer curved surface fixedly connected with puddler of axis lower extreme.

Preferably, the top of the oil tank body is fixedly provided with a top cover, and the opening of the pressure relief pipe is fixedly provided with a pressure valve.

Preferably, the external thread is arranged at the opening at the outer side of the connecting conduit, and the middle part of the water outlet pipe is fixedly provided with a switch valve.

Preferably, the water tank is internally provided with cooling water, and the side edge of the upper top surface of the water tank is penetrated and provided with a water inlet.

Preferably, a heat radiation fan is fixedly arranged outside the refrigerator, and a water suction pipe at the lower bottom of the water suction pump penetrates and is inserted into the water storage tank.

Preferably, the front top end of the water inlet pipe penetrates through the upper top surface of the cooling ring box in a fixed mode.

Preferably, the rotation shaft penetrates through the rotation shaft to be connected inside the oil tank body, the stirring rods are in a plurality, and the stirring rods are symmetrically distributed from top to bottom in sequence respectively according to the outer curved surface at the lower end of the rotation shaft.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, when accident oil is discharged into the oil tank body, the pressure relief pipe penetrating through the side edge of the upper top surface of the oil tank body can play a role in pressure relief, meanwhile, the suction pump fixedly arranged in the middle of the upper top surface of the water storage tank is started, when the suction pump is started, cooling water in the water storage tank welded at the opening of the rear top end of the water outlet pipe is discharged into the cooling ring tank welded on the outer curved surface of the oil tank body through the water inlet pipe fixedly arranged on the water outlet pipe of the suction pump, when the cooling water is discharged into the cooling ring tank, the cooling ring tank absorbs heat and cools the oil tank body through the cooling ring tank, the effect of cooling the accident oil in the oil tank body can be achieved, meanwhile, the cooling water absorbed by the cooling ring tank can be discharged into the water storage tank through the opening of the outer curved surface penetrating through the welded water outlet pipe at the lower end of the cooling ring tank, the cooling water can be continuously refrigerated through the refrigerator fixedly arranged on the outer side surface of the water storage tank, and the cooling fan fixedly arranged outside the refrigerator can cool the water storage tank, so that the accident oil can be cooled, and the accident oil can be continuously cooled while the accident oil is discharged into the cooling tank, and the accident oil can be cooled down under high temperature and risk is avoided;

2. according to the utility model, the stirring motor fixedly arranged at the top of the motor support is started, when the stirring motor is started, the rotating shaft fixedly arranged at the bottom transmission shaft part of the stirring motor is driven to rotate, when the rotating shaft rotates, the stirring rod welded on the outer curved surface at the lower end of the rotating shaft is driven to rotate, and when the stirring rod rotates, accident oil in the oil tank body can be stirred, so that the accident oil can be stirred and cooled at an accelerated speed while the accident oil is continuously cooled.

Drawings

FIG. 1 is a schematic diagram of the whole structure of an accident oil pool of an oil immersed power transformer;

FIG. 2 is a schematic diagram II of the whole structure of an accident oil pool of an oil immersed power transformer;

fig. 3 is a schematic cross-sectional view of an accident oil pool of an oil immersed power transformer.

In the figure: 1. an oil pool tank; 2. a pressure relief tube; 3. a connecting conduit; 4. a cooling ring box; 5. a water outlet pipe; 6. a water storage tank; 7. a refrigerator; 8. a heat radiation fan; 9. a water pump; 10. a water inlet pipe; 11. a motor bracket; 12. a stirring motor; 13. a rotating shaft; 14. stirring rod.

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. 1-3, the present utility model provides a technical solution: including the oil tank jar body 1, and top fixed mounting is provided with the top cap on the oil tank jar body 1, top surface side runs through the welding and has pressure release pipe 2 on the oil tank jar body 1, and pressure release pipe 2 opening part fixed mounting is provided with pressure valve, pressure release pipe 2 one end side runs through the welding on the oil tank jar body 1, top surface mid-section fixed mounting is provided with suction pump 9 on the water tank jar body 1, and the outside opening part starts to have the external screw thread, the welding of the outer curved surface of oil tank jar body 1 has cooling ring case 4, cooling ring case 4 lower extreme outer curved surface runs through the welding has outlet pipe 5, and outlet pipe 5 mid-section fixed mounting is provided with the ooff valve, top end opening part welding has storage water tank 6 after the outlet pipe 5, and the inside bearing of storage water tank 6 has cooling water, top surface side runs through the beginning to have the filler gate on the storage water tank 6 lateral surface runs through fixed mounting and is provided with refrigerator 7, refrigerator 7 outside fixed mounting is provided with radiator fan 8, top surface mid-section fixed mounting is provided with suction pump 9 on the storage water tank 6, and suction pump 9 bottom runs through grafting to storage water tank 6 inside, suction pump 9 part fixed mounting has inlet tube 10, and inlet tube 10 front top end run through fixed mounting has cooling ring case 4 motor top surface motor 4 running through the welding has outlet pipe 5, and outlet pipe 5 mid-section fixed mounting is provided with the axis of rotation 13 at top surface 13, the rotation 13 is connected with the rotation 13 from top surface 13 at the top surface of motor 1, the top surface is fixed mounting has a plurality of rotation 13, the rotation 13 is connected to the motor end 13, 13 is fixed by the rotation 13, the rotation shaft 13 is connected to the top surface of the top surface is fixed surface, 13 is fixed down has a rotation 13, and is fixed 13.

Working principle: when the oil tank is used, the oil tank can be connected with the pressure oil discharge pipe of the oil immersed power transformer through the connecting guide pipe 3 which penetrates through and is welded on the upper top surface of the oil tank body 1 and away from the side edge of the pressure relief pipe 2, and after the connecting guide pipe 3 is connected with the pressure oil discharge pipe of the oil immersed power transformer, accident oil in the oil immersed power transformer can be discharged into the oil tank body 1 through the connecting guide pipe 3;

when accident oil is discharged into the oil tank body 1, the pressure relief pipe 2 penetrating through the side edge of the upper top surface of the oil tank body 1 can play a role in pressure relief, meanwhile, the suction pump 9 fixedly installed in the middle of the upper top surface of the water tank 6 is opened, when the suction pump 9 is opened, cooling water in the water tank 6 welded at the opening of the rear top end of the water outlet pipe 5 is discharged into the cooling ring box 4 welded on the outer curved surface of the oil tank body 1 through the water inlet pipe 10 fixedly installed on the water outlet pipe part of the suction pump 9, when the cooling water is discharged into the cooling ring box 4, the cooling ring box 4 absorbs heat to cool the oil tank body 1, and simultaneously, the cooling water penetrating through the welded water outlet pipe 5 at the outer curved surface of the lower end of the cooling ring box 4 can be discharged into the water tank 6, the cooling water in the water tank 6 can be continuously refrigerated through the refrigerator 7 penetrating through the fixedly installed refrigerator 7 arranged on the outer side surface of the water outlet pipe 6, and the cooling water in the water tank 6 can be continuously cooled through the fan 8 fixedly installed outside the refrigerator 7, when the cooling water is discharged into the cooling ring box 4, so that the cooling oil can be cooled down through the cooling ring box 4, the cooling ring box can realize the cooling oil can be cooled down, and the accident oil can be continuously cooled down, and the accident oil can be cooled down when the accident oil is high and the accident oil can be cooled down is avoided;

simultaneously through opening the agitator motor 12 of top fixed mounting setting on the motor support 11, when agitator motor 12 opened, can drive the axis of rotation 13 that the partial fixed mounting of transmission shaft set up of agitator motor 12 lower bottom rotates, when axis of rotation 13 rotated, can drive axis of rotation 13 lower extreme outer curved surface welded puddler 14 and rotate, when puddler 14 rotated, can stir the inside accident oil of oil tank jar body 1 to when having played to last carrying out cooling to accident oil, can stir the accelerated cooling to accident oil.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an oil-immersed power transformer accident oil pool, includes oil pool jar body (1), its characterized in that: the utility model discloses a cooling device for the oil tank, including oil tank jar body (1), top surface side run through fixedly connected with decompression pipe (2) on the oil tank jar body (1), top surface is kept away from decompression pipe (2) one end side and is run through fixedly connected with connecting tube (3), oil tank jar body (1) outer curved surface fixedly connected with cooling ring case (4), cooling ring case (4) lower extreme outer curved surface runs through fixedly connected with outlet pipe (5), top opening part fixedly connected with storage water tank (6) behind outlet pipe (5), storage water tank (6) lateral surface runs through fixedly connected with refrigerator (7), top surface mid-mounting is provided with suction pump (9) on storage water tank (6), suction pump (9) drain pipe part fixedly connected with inlet tube (10), top fixedly connected with agitator motor (12) on motor support (11), bottom transmission shaft part fixedly connected with axis of rotation (13) under agitator motor (12), axis of rotation (13) lower extreme outer curved surface fixedly connected with puddler (14).

2. An oil immersed power transformer accident oil pool according to claim 1, wherein: the top cover is fixedly arranged at the top of the oil tank body (1), and the pressure valve is fixedly arranged at the opening of the pressure relief pipe (2).

3. An oil immersed power transformer accident oil pool according to claim 1, wherein: the external thread is arranged at the opening of the outer side of the connecting conduit (3), and a switch valve is fixedly arranged in the middle of the water outlet pipe (5).

4. An oil immersed power transformer accident oil pool according to claim 1, wherein: the water tank (6) is internally provided with cooling water, and the side edge of the upper top surface of the water tank (6) is penetrated and provided with a water inlet.

5. An oil immersed power transformer accident oil pool according to claim 1, wherein: the refrigerator (7) is fixedly provided with a heat radiation fan (8) outside, and a water suction pipe at the lower bottom of the water suction pump (9) is inserted into the water storage tank (6) in a penetrating manner.

6. An oil immersed power transformer accident oil pool according to claim 1, wherein: the front top end of the water inlet pipe (10) penetrates through the upper top surface of the cooling ring box (4) in a fixed mode.

7. An oil immersed power transformer accident oil pool according to claim 1, wherein: the rotating shaft (13) is connected inside the oil tank body (1) in a penetrating and rotating mode through the rotating shaft, a plurality of stirring rods (14) are arranged, and the stirring rods are symmetrically distributed from top to bottom in sequence respectively according to the outer curved surface at the lower end of the rotating shaft (13).