CN219958730U

CN219958730U - Oil immersed transformer

Info

Publication number: CN219958730U
Application number: CN202321045236.8U
Authority: CN
Inventors: 徐峰
Original assignee: Jiangsu Linhai Electric Co ltd
Current assignee: Jiangsu Linhai Electric Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-11-03
Anticipated expiration: 2033-05-04

Abstract

The utility model relates to the technical field of transformers, in particular to an oil immersed transformer, which comprises a box body, wherein a storage cavity, a cleaning cavity, a filter box, a filter mechanism and a heat dissipation mechanism are arranged in the box body, the filter box is fixed in the cleaning cavity, the filter mechanism is positioned in the cleaning cavity and comprises an arc filter plate, a cleaning assembly and a conveying assembly, the heat dissipation mechanism is positioned in the cleaning cavity and is positioned on one side above the filter box, the conveying assembly is used for conveying oil in the storage cavity into the filter box and filtering the oil through the arc filter plate, meanwhile, the cleaning and collection of impurities on the surface of the arc filter plate are realized by the aid of the cleaning assembly, the influence of the impurities on the normal impurity removal and filtration of the oil is avoided, the arc filter plate is not required to be cleaned at regular time, and time and labor are saved.

Description

Oil immersed transformer

Technical Field

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

Background

The oil-immersed transformer dissipates heat and insulates the transformer by injecting oil, so that the transformer can work normally, and when the oil-immersed transformer is used, copper and aluminum in the oil-immersed transformer can fall off some residues, so that the oil in the oil-immersed transformer needs to be filtered at regular time.

The Chinese patent publication No. CN211455489U discloses an oil immersed transformer tank, which is filtered by a filter plate in the filter tank, and the filtered oil is pumped by an oil pump and conveyed into the oil immersed transformer tank again, so that the inner wall of the oil immersed transformer tank is always in a clean state, and the normal operation of elements in the oil immersed transformer tank is prevented from being influenced.

Foretell an oil-immersed transformer tank utilizes the filter to filter fluid for impurity in the fluid can filter out, although can realize the filtration to fluid, and the impurity that filters out remains throughout on the filter, causes the filter to block up easily, influences the normal flow of fluid, needs regularly clear up the filter, wastes time and energy, to this problem, now provides an oil-immersed transformer.

Disclosure of Invention

The present utility model is directed to an oil-immersed transformer, which solves the problems set forth in the above-mentioned background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the oil immersed transformer comprises a box body, wherein a storage cavity and a cleaning cavity are arranged in the box body, and the oil immersed transformer further comprises a filter box, a filter mechanism and a heat dissipation mechanism;

the filter box is fixed in the cleaning cavity;

the filter mechanism is located in the cleaning cavity and comprises an arc-shaped filter plate, a cleaning assembly and a conveying assembly, wherein the arc-shaped filter plate is fixedly installed in the filter tank and used for filtering oil, the cleaning assembly is located above the arc-shaped filter plate, and the conveying assembly is located above the filter tank and used for conveying the oil in the storage cavity to the filter tank;

the heat dissipation mechanism is located the inside of clearance chamber and is located the top one side of rose box, and heat dissipation mechanism is used for dispelling the heat to fluid.

As a further scheme of the utility model: the cleaning component comprises a rotating rod, a rotating screen plate, a discharge hole, a collecting box and a swinging component;

the rotary rod is positioned above the arc-shaped filter plate and is coaxially arranged with the arc-shaped filter plate, both ends of the rotary rod are rotationally connected with the filter box through bearings, the rotary screen plate is fixed below the rotary rod, and the bottom end of the rotary screen plate is in contact with the surface of the arc-shaped filter plate;

the two groups of discharge holes are arranged on the two sides of the filter box, the two groups of discharge holes are all positioned above the two sides of the arc-shaped filter plate, the two groups of collection boxes are arranged on the two sides of the filter box and are symmetrically fixed on the two sides of the filter box, and the two groups of collection boxes are respectively positioned below the two groups of discharge holes;

the swinging component is positioned at one side of the filter box and used for driving the rotating rod to swing in a reciprocating manner.

As a further scheme of the utility model: the swinging component comprises a fixed rod, a connecting rod, a rotating rod and a motor;

the dead lever is fixed in the tip surface of bull stick, the motor is fixed in the surface of rose box, the one end and the output of rose box of dwang are connected, and the other end and the one end of connecting rod of dwang articulate mutually, the other end and the dead lever of connecting rod keep away from the one end of bull stick and articulate mutually.

As a further scheme of the utility model: the conveying assembly comprises a first water pump, a main pipe, a water diversion pipe, a water inlet pipe, a second water pump and a water outlet pipe;

the first water pump is fixed at one side of the top end of the filter tank, the main pipe is fixed at the output end of the first water pump, a plurality of water diversion pipes are arranged on the surface of the main pipe at equal intervals, the other end of each water diversion pipe penetrates through the filter tank and stretches into the filter tank, the water inlet pipe is fixed at the input end of the first water pump, and the other end of the water inlet pipe is communicated with the storage cavity;

the second water pump is fixed in one side of rose box, the input and the inner chamber intercommunication of rose box of second water pump, the output of second water pump is fixed with the outlet pipe, the other end and the storage chamber intercommunication of outlet pipe.

As a further scheme of the utility model: the heat dissipation mechanism comprises a rotating shaft, fan blades, driven wheels, a driving belt and a driving wheel;

the rotary shaft is positioned on one side above the filter box, one end of the rotary shaft is rotatably connected with the inner wall of the cleaning cavity through a bearing, a plurality of groups of fan blades are arranged and are equidistantly fixed on the end part of the rotary shaft, the driven wheel is fixed on the surface of the rotary shaft, the driving wheel is fixed on the surface of the output shaft of the motor, and the transmission belt is sleeved on the driven wheel and the driving wheel;

the surface of rose box is located the both sides in clearance chamber and all is equipped with the louvre with clearance chamber intercommunication.

As a further scheme of the utility model: and a dustproof net for playing a dustproof role is arranged on one side of the surface of the filter box, which is positioned at the radiating hole.

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

1. according to the oil immersed transformer, the arc-shaped filter plates, the cleaning assembly and the conveying assembly are arranged, oil in the storage cavity can be conveyed to the inside of the filter tank by the conveying assembly, oil is filtered through the arc-shaped filter plates, meanwhile, impurities on the surfaces of the arc-shaped filter plates are cleaned and collected by the cleaning assembly, the impurities are prevented from accumulating on the arc-shaped filter plates to affect normal impurity removal and filtration of the oil, the arc-shaped filter plates are not required to be cleaned at regular time, and time and labor are saved.

2. According to the oil immersed transformer, the heat dissipation mechanism is arranged, so that the oil can be filtered and the plurality of groups of fan blades can be driven to rotate, external air can enter the cleaning cavity and contact the surfaces of the main pipe and the shunt pipe, heat on the surfaces of the main pipe and the shunt pipe is taken away, cooling and heat dissipation of the oil in the main pipe and the shunt pipe are realized, continuous heat dissipation of the oil can be realized while the oil is circularly filtered, and the heat dissipation effect of the oil immersed transformer is improved.

3. According to the oil immersed transformer, the dustproof net is arranged on one side of the radiating hole, so that the air entering the cleaning cavity can be filtered, the possibility that dust enters the cleaning cavity is reduced, the dust can be prevented from entering the filter box from the discharge hole to pollute oil, and the dustproof effect can be achieved while the heat is radiated.

Drawings

Fig. 1 is a schematic structural view of the present utility model.

Fig. 2 is a schematic diagram of a split structure of the present utility model.

FIG. 3 is a schematic view of a section structure of a case according to the present utility model.

Fig. 4 is an enlarged schematic view of the portion a of fig. 3 according to the present utility model.

FIG. 5 is a schematic view of a section structure of a filter box according to the present utility model.

Wherein: 11. a case; 12. a storage chamber; 13. cleaning the cavity; 14. a filter box; 15. arc-shaped filter plates; 16. rotating the screen plate; 17. a rotating rod; 18. a fixed rod; 19. a connecting rod; 20. a rotating lever; 21. a driving wheel; 22. driven wheel; 23. a transmission belt; 24. a rotation shaft; 25. a fan blade; 26. a first water pump; 27. a header pipe; 28. a water diversion pipe; 29. a water inlet pipe; 30. a second water pump; 31. a water outlet pipe; 32. a heat radiation hole; 33. a dust screen; 34. a heat sink; 35. a discharge port; 36. a collection box; 37. and a motor.

Detailed Description

The principles and features of the present utility model are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

The present utility model provides the following preferred embodiments:

1-4, an oil immersed transformer comprises a box 11, wherein a storage cavity 12 and a cleaning cavity 13 are arranged in the box 11, and it is noted that in actual use, an end cover matched with the box 11 is arranged at the top end of the box 11, a radiating fin 34 for radiating is arranged at a position corresponding to the storage cavity 12 on the surface of the box 11, and the oil immersed transformer further comprises a filter box 14, a filter mechanism and a radiating mechanism;

the filter box 14 is fixed in the cleaning cavity 13, and the filter box 14 is used for filtering and filtering the oil in the storage cavity 12 in a circulating way;

the filter mechanism is located in the cleaning cavity 13, and comprises an arc-shaped filter plate 15, a cleaning assembly and a conveying assembly, wherein the arc-shaped filter plate 15 is fixedly installed in the filter tank 14 and used for filtering oil, the cleaning assembly is located above the arc-shaped filter plate 15, and the conveying assembly is located above the filter tank 14 and used for conveying the oil in the storage cavity 12 to the filter tank 14;

through setting up arc filter 15, clearance subassembly and conveying assembly, utilize conveying assembly can carry the inside fluid of storage chamber 12 to the inside of rose box 14 and realize the filtration to fluid through arc filter 15, utilize clearance subassembly to realize simultaneously the clearance and the collection to arc filter 15 surface impurity, avoid impurity to pile up on arc filter 15 to influence the normal edulcoration filtration to fluid, need not regularly clear up arc filter 15, labour saving and time saving;

the heat dissipation mechanism is positioned in the cleaning cavity 13 and on one side above the filter box 14 and is used for dissipating heat of oil;

can realize the continuous heat dissipation to fluid when fluid circulation filtration through cooling mechanism, be favorable to improving this oil immersed transformer's radiating effect.

As shown in fig. 1-4, the cleaning assembly comprises a rotating rod 17, a rotating screen 16, a discharge port 35, a collection box 36 and a swinging component;

the rotary rod 17 is located above the arc-shaped filter plate 15 and is coaxially arranged with the arc-shaped filter plate 15, two ends of the rotary rod 17 are rotatably connected with the filter box 14 through bearings, the rotary screen plate 16 is fixed below the rotary rod 17, the bottom end of the rotary screen plate 16 is in contact with the surface of the arc-shaped filter plate 15, when the rotary rod 17 rotates around the axis of the rotary rod 17, the rotary screen plate 16 can rotate around the axis of the rotary rod 17, and meanwhile, the rotary rod 17 coincides with the axis of the arc-shaped filter plate 15, so that when the rotary rod 17 drives the rotary screen plate 16 to rotate, the bottom end of the rotary screen plate 16 can rotate along the upper surface of the arc-shaped filter plate 15, and impurities above the arc-shaped filter plate 15 can be cleaned;

it should be noted that in actual use, the rotary screen plate 16 is made of a filter screen material, impurities on the arc-shaped filter plate 15 can be pushed to move when the rotary screen plate 16 swings, so that the effect of cleaning the impurities is achieved, meanwhile, the rotary screen plate 16 is made of the filter screen material, oil can not be pushed to move when the impurities are cleaned, the oil can not be pushed to the inside of the collecting box 36, and waste of the oil is avoided;

the two groups of discharge holes 35 are arranged on two sides of the filter box 14, the two groups of discharge holes 35 are positioned above two sides of the arc-shaped filter plate 15, the two groups of collection boxes 36 are symmetrically fixed on two sides of the filter box 14, and the two groups of collection boxes 36 are respectively positioned below the two groups of discharge holes 35;

the swinging component is positioned at one side of the filter box 14 and used for driving the rotating rod 17 to swing back and forth;

utilize the swing part to drive bull stick 17 and rotate repeatedly, bull stick 17 can drive when rotating and rotate otter board 16 and rotate for rotate otter board 16 can realize the swing repeatedly, rotate otter board 16 and can promote the impurity removal on the arc filter 15 when the swing, make impurity by propelling movement to discharge gate 35 department, and fall into the inside realization of collecting box 36 and concentrate the collection, avoid impurity to pile up the normal edulcoration filtration of influence to fluid on arc filter 15, need not to clear up arc filter 15 regularly.

As shown in fig. 1 to 4, the swing member includes a fixed lever 18, a connecting lever 19, a rotating lever 20, and a motor 37;

the fixed rod 18 is fixed on the end surface of the rotating rod 17, the motor 37 is fixed on the surface of the filter box 14, one end of the rotating rod 20 is connected with the output end of the filter box 14, the other end of the rotating rod 20 is hinged with one end of the connecting rod 19, and the other end of the connecting rod 19 is hinged with one end, far away from the rotating rod 17, of the fixed rod 18;

when the motor 37 works, the motor 37 can drive the rotating rod 20 to rotate, and can drive the fixed rod 18 to swing under the action of the connecting rod 19, so that the rotating rod 17 can be driven to swing, the swinging of the rotating screen plate 16 is realized, and further the cleaning of impurities is realized;

when the rotating lever 20 is at the uppermost and lowermost, the fixing lever 18 is in a vertical state, when the rotating lever 20 is rotated to the right, the fixing lever 18 can be rotated to the rightmost side, and when the rotating lever 20 is rotated to the left, the fixing lever 18 can be rotated to the leftmost side.

As shown in fig. 1-4, the delivery assembly includes a first water pump 26, a main pipe 27, a water diversion pipe 28, a water inlet pipe 29, a second water pump 30, and a water outlet pipe 31;

the first water pump 26 is fixed on one side of the top end of the filter tank 14, the main pipe 27 is fixed on the output end of the first water pump 26, a plurality of water diversion pipes 28 are equidistantly arranged on the surface of the main pipe 27, the other end of each water diversion pipe 28 penetrates through the filter tank 14 and stretches into the filter tank 14, the water inlet pipe 29 is fixed on the input end of the first water pump 26, and the other end of the water inlet pipe 29 is communicated with the storage cavity 12;

the second water pump 30 is fixed on one side of the filter tank 14, the input end of the second water pump 30 is communicated with the inner cavity of the filter tank 14, the output end of the second water pump 30 is fixed with a water outlet pipe 31, and the other end of the water outlet pipe 31 is communicated with the storage cavity 12;

when the first water pump 26 works, oil in the storage cavity 12 can enter the main pipe 27 through the water inlet pipe 29, and oil in the main pipe 27 can flow into the filter tank 14 through the multicomponent water pipe 28;

after the oil liquid is filtered and mixed, the oil liquid flows to the bottom end of the filter tank 14, and at the moment, the second water pump 30 is controlled to work, so that the oil liquid after the filtered and mixed inside the filter tank 14 can flow to the inside of the storage cavity 12 again through the water outlet pipe 31, and the circulating filtration of the oil liquid is realized.

As shown in fig. 1-4, the heat dissipation mechanism includes a rotation shaft 24, a fan blade 25, a driven wheel 22, a driving belt 23 and a driving wheel 21;

the rotary shaft 24 is positioned at one side above the filter box 14, one end of the rotary shaft 24 is rotatably connected with the inner wall of the cleaning cavity 13 through a bearing, the fan blades 25 are provided with a plurality of groups and are equidistantly fixed at the end part of the rotary shaft 24, the driven wheel 22 is fixed at the surface of the rotary shaft 24, the driving wheel 21 is fixed at the surface of the output shaft of the motor 37, and the driving belt 23 is sleeved on the driven wheel 22 and the driving wheel 21;

the surface of the filter box 14 is provided with radiating holes 32 communicated with the cleaning cavity 13 at two sides of the cleaning cavity 13;

when the motor 37 works, the driving wheel 21 can be driven to rotate, the driven wheel 22 can be driven to rotate under the action of the driving belt 23, so that the rotating shaft 24 can be driven to rotate, and when the rotating shaft 24 rotates, a plurality of groups of fan blades 25 can be driven to rotate, so that external air can enter the cleaning cavity 13 through the heat dissipation holes 32 and contact with the surfaces of the main pipe 27 and the water diversion pipe 28, heat on the surfaces of the main pipe 27 and the water diversion pipe 28 is taken away, cooling and heat dissipation of oil in the main pipe 27 and the water diversion pipe 28 are realized, continuous heat dissipation of the oil can be realized while the oil is circularly filtered, and the heat dissipation effect of the oil immersed transformer is improved.

As shown in fig. 1-4, a dust screen 33 for dust prevention is mounted on one side of the surface of the filter box 14 located at the heat dissipation hole 32; through setting up dust screen 33 in one side of louvre 32, can realize getting into the inside air of clearance chamber 13 and filter, reduce the possibility that the dust got into clearance chamber 13 inside, can then avoid the dust to get into the inside of rose box 14 from discharge gate 35 and cause the pollution to the fluid, can play dustproof effect in radiating.

The foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.

Claims

1. The oil immersed transformer comprises a box body (11), wherein a storage cavity (12) and a cleaning cavity (13) are arranged in the box body (11), and the oil immersed transformer is characterized by further comprising a filter box (14), a filter mechanism and a heat dissipation mechanism;

the filter box (14) is fixed in the cleaning cavity (13);

the filter mechanism is positioned in the cleaning cavity (13), and comprises an arc-shaped filter plate (15), a cleaning assembly and a conveying assembly, wherein the arc-shaped filter plate (15) is fixedly arranged in the filter box (14) and used for filtering oil, the cleaning assembly is positioned above the arc-shaped filter plate (15), and the conveying assembly is positioned above the filter box (14) and used for conveying the oil in the storage cavity (12) to the inside of the filter box (14);

the heat dissipation mechanism is located inside the cleaning cavity (13) and located on one side above the filter box (14), and the heat dissipation mechanism is used for dissipating heat of oil.

2. An oil immersed transformer according to claim 1, wherein the cleaning assembly comprises a rotating rod (17), a rotating mesh plate (16), a discharge port (35), a collecting tank (36) and a swinging member;

the rotary rod (17) is positioned above the arc-shaped filter plate (15) and is coaxially arranged with the arc-shaped filter plate (15), two ends of the rotary rod (17) are both rotationally connected with the filter box (14) through bearings, the rotary screen plate (16) is fixed below the rotary rod (17), and the bottom end of the rotary screen plate (16) is in contact with the surface of the arc-shaped filter plate (15);

the two groups of discharge holes (35) are arranged on two sides of the filter box (14), the two groups of discharge holes (35) are positioned above two sides of the arc-shaped filter plate (15), the two groups of collection boxes (36) are arranged on two sides of the filter box (14) and symmetrically fixed, and the two groups of collection boxes (36) are respectively positioned below the two groups of discharge holes (35);

the swinging component is positioned at one side of the filter box (14) and is used for driving the rotating rod (17) to swing in a reciprocating manner.

3. An oil immersed transformer according to claim 2, characterized in that the oscillating member comprises a fixed rod (18), a connecting rod (19), a rotating rod (20) and a motor (37);

the utility model discloses a filter cabinet, including dead lever (18), dead lever (19), filter cabinet (14), dead lever (18) are fixed in the tip surface of bull stick (17), motor (37) are fixed in the surface of filter cabinet (14), the one end of dwang (20) is connected with the output of filter cabinet (14), and the other end of dwang (20) articulates with the one end of connecting rod (19), the other end of connecting rod (19) articulates with the one end that bull stick (17) was kept away from to dead lever (18).

4. A transformer according to claim 3, characterized in that the conveying assembly comprises a first water pump (26), a main pipe (27), a shunt pipe (28), a water inlet pipe (29), a second water pump (30) and a water outlet pipe (31);

the first water pump (26) is fixed on one side of the top end of the filter box (14), the main pipe (27) is fixed at the output end of the first water pump (26), a plurality of water diversion pipes (28) are arranged on the surface of the main pipe (27) at equal intervals, the other end of each water diversion pipe (28) penetrates through the filter box (14) to extend into the filter box (14), the water inlet pipe (29) is fixed at the input end of the first water pump (26), and the other end of the water inlet pipe (29) is communicated with the storage cavity (12);

the second water pump (30) is fixed on one side of the filter tank (14), the input end of the second water pump (30) is communicated with the inner cavity of the filter tank (14), the output end of the second water pump (30) is fixed with a water outlet pipe (31), and the other end of the water outlet pipe (31) is communicated with the storage cavity (12).

5. An oil immersed transformer according to claim 4, wherein the heat dissipation mechanism comprises a rotation shaft (24), fan blades (25), a driven wheel (22), a transmission belt (23) and a driving wheel (21);

the rotary shaft (24) is positioned on one side above the filter box (14), one end of the rotary shaft (24) is rotatably connected with the inner wall of the cleaning cavity (13) through a bearing, a plurality of groups of fan blades (25) are arranged and are equidistantly fixed at the end part of the rotary shaft (24), the driven wheel (22) is fixed on the surface of the rotary shaft (24), the driving wheel (21) is fixed on the surface of an output shaft of the motor (37), and the driving belt (23) is sleeved on the driven wheel (22) and the driving wheel (21);

the surface of the filter box (14) is positioned at two sides of the cleaning cavity (13) and is provided with radiating holes (32) communicated with the cleaning cavity (13).

6. An oil immersed transformer according to claim 5, characterized in that a dust screen (33) for dust prevention is mounted on the surface of the filter tank (14) at one side of the heat dissipation hole (32).