CN216928246U

CN216928246U - Oil-immersed three-phase transformer

Info

Publication number: CN216928246U
Application number: CN202220299599.3U
Authority: CN
Inventors: 杨国明; 李锋; 张荣海
Original assignee: Shandong Jmc Electric Group Co ltd
Current assignee: Shandong Jmc Electric Group Co ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-07-08
Anticipated expiration: 2032-02-15

Abstract

The utility model provides an oil-immersed three-phase transformer, comprising: the fan comprises a base, the top fixed mounting of base has the main part, all there is the fin through screw fixed mounting four sides in the outside of main part, the inside embedded fan that is connected with of base, and the quantity of fan be a plurality of. The four radiating fins of the oil-immersed three-phase transformer can quickly absorb heat in the main body, the heat is discharged to the outside through the radiating fins, the flow velocity of air around the radiating fins is improved through the operation of the bottom fan, the radiating speed of the radiating fins is accelerated, the radiating performance of the main body is further improved, when the transformer shakes, the base moves downwards, the moving block moves due to the matching of the first mounting seat, the connecting rod and the second mounting seat, the spring compresses at the moment, the shaking is absorbed, the shock absorption effect is achieved, the damage of parts of the transformer due to the shaking is avoided, and the oil-immersed three-phase transformer is convenient to use.

Description

Oil-immersed three-phase transformer

Technical Field

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

Background

In order to input different voltages, the input winding can also use a plurality of windings to adapt to different input voltages, meanwhile, in order to output different voltages, a plurality of windings can also be used, three independent windings are connected by different methods to input three-phase alternating current power supply, and the output is also the same, namely, the three-phase transformer is widely applied to circuits with alternating current of 50Hz to 60Hz and voltage below 660V, is widely applied to import important equipment, precision machine tools, mechanical and electronic equipment, medical equipment, rectifying devices, illumination and the like, and can be widely applied to various input and output voltage levels, connection groups, the number and the positions of adjusting taps, the distribution of winding capacity, the allocation of secondary single-phase windings, the application of rectifying circuits, whether to be provided with a shell or not, and the three-phase transformer can be designed and manufactured elaborately according to the requirements of users.

Be 202021107930.4 through retrieval patent number discloses an oil-immersed three-phase transformer, including the transformer box, the equal fixed mounting in front surface and the rear surface of transformer box has positive heat dissipation box, the inboard fixed mounting of positive heat dissipation box has a plurality of positive heat radiation fins, two heat conduction pipelines are all installed in the outside position that the front surface and the rear surface of transformer box are located positive heat dissipation box, the last fixed surface of transformer box installs and connects the roof, the last fixed surface who connects the roof installs a plurality of high-low pressure and connects, the upper surface that connects the roof is located one side fixed position that high-low pressure connects and has the oil injection pipeline. The oil-immersed three-phase transformer can rapidly lead out the heat in the transformer when the transformer is cooled, so that the cooling speed and efficiency are increased, and the fixing position of the mounting and fixing frame can be adjusted when the transformer is mounted and fixed, so that the oil-immersed three-phase transformer is convenient to mount and use in different occasions.

However, such a three-phase transformer still has a poor heat dissipation effect, and is likely to generate high temperature when used for a long time, and the heat dissipation speed is slow, so that the transformer is likely to be damaged, and the internal parts of the transformer are likely to be damaged due to shaking generated during transportation.

Therefore, it is necessary to provide an oil-immersed three-phase transformer to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

The utility model provides an oil-immersed three-phase transformer, which solves the problems that the existing three-phase transformer is poor in heat dissipation effect, high temperature is easily generated during long-time use, the heat dissipation speed is low, the transformer is easily damaged, and internal parts of the transformer are easily damaged due to shaking generated during transportation.

The utility model provides an oil-immersed three-phase transformer, comprising: the fan comprises a base, the top fixed mounting of base has the main part, all there is the fin through screw fixed mounting four sides in the outside of main part, the inside embedded fan that is connected with of base, and the quantity of fan be a plurality of, and is a plurality of the fan all is located four the below of fin, the below of base is equipped with damper.

Preferably, damper includes the second mount pad, and the quantity of second mount pad is four, four the equal fixed mounting of second mount pad is in the bottom of base, four the connecting rod is all installed through the round pin axle rotation in the outside of second mount pad, four the one end of connecting rod is all installed first mount pad through the round pin axle rotation.

Preferably, the bottom of every two first installation seats is fixedly provided with two moving blocks, the bottom of each two moving blocks is attached with an installation part, and the two moving blocks are located inside the installation part.

Preferably, the mounting part is internally welded with two limiting rods, the two limiting rods penetrate through the two moving blocks, the moving blocks are connected with the limiting rods in a sliding mode, springs are sleeved on one sides of the outsides of the two limiting rods and the outsides of the two moving blocks, and the number of the springs is four.

Preferably, the top equidistance of main part is equipped with high-voltage bushing, the top of main part just is located one side of high-voltage bushing and is equipped with the low pressure sleeve pipe.

Preferably, the outer dimension of the base is slightly smaller than the inner dimension of the mounting.

Compared with the related art, the oil-immersed three-phase transformer provided by the utility model has the following beneficial effects:

four fins of this three-phase transformer can be quick absorb the inside heat of main part, the outside is discharged to the rethread fin, work through the bottom fan, the velocity of flow of air around the fin has been improved, make the fin radiating rate accelerate, the thermal diffusivity of main part has further been improved, when the transformer rocks, the base moves down, because first mount pad, cooperation between connecting rod and the second mount pad, make the movable block remove, the spring compression this moment, will rock and absorb, play absorbing effect, avoid rocking the spare part that makes the transformer damages, high durability and convenient use.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of an oil-immersed three-phase transformer according to the present invention;

FIG. 2 is a schematic view of the fan mounting structure shown in FIG. 1;

fig. 3 is a schematic structural view of the shock-absorbing mechanism shown in fig. 1.

In the figure: 1. a base; 2. a main body; 3. a heat sink; 4. a fan; 5. a damping mechanism; 51. a mounting member; 52. a limiting rod; 53. a moving block; 54. a first mounting seat; 55. a connecting rod; 56. a second mounting seat; 57. a spring; 6. a high voltage bushing; 7. a low pressure bushing.

Detailed Description

The utility model is further described with reference to the following figures and embodiments.

Referring to fig. 1, fig. 2 and fig. 3, fig. 1 is a schematic structural diagram of an oil-immersed three-phase transformer according to a preferred embodiment of the present invention; FIG. 2 is a schematic view of the fan mounting structure shown in FIG. 1; fig. 3 is a schematic structural diagram of the damping mechanism shown in fig. 1, and an oil-immersed three-phase transformer includes: base 1, base 1's top fixed mounting has main part 2, all there is fin 3 in four sides of the outside of main part 2 through screw fixed mounting, base 1's inside embedded fan 4 that is connected with, and the quantity of fan 4 is a plurality of, a plurality of fans 4 all are located the below of four fin 3, base 1's below is equipped with damper 5, four fin 3 can be quick absorb the inside heat of main part 2, outside is discharged to rethread fin 3, work through bottom fan 4, the velocity of flow of air around the fin 3 has been improved, make fin 3 radiating rate accelerate, the thermal diffusivity of main part 2 has further been improved, and convenient use.

Damper 5 includes second mount pad 56, and the quantity of second mount pad 56 is four, and the equal fixed mounting of four second mount pads 56 is in base 1's bottom, and connecting rod 55 is all installed through the round pin hub rotation in the outside of four second mount pads 56, and first mount pad 54 is all installed through the round pin hub rotation to the one end of four connecting rods 55.

The bottom of every two first installation seats 54 is fixedly provided with two moving blocks 53, the number of the moving blocks 53 is two, the bottom of each two moving blocks 53 is attached to the installation part 51, and the two moving blocks 53 are located inside the installation part 51.

The inside welded connection of installed part 51 has gag lever post 52, and the quantity of gag lever post 52 is two, two gag lever posts 52 all run through two movable blocks 53, be sliding connection between movable block 53 and the gag lever post 52, the outside of two gag lever posts 52 and the outside one side that is located two movable blocks 53 all overlap and are equipped with spring 57, and the quantity of spring 57 is four, produce easily when transporting the transformer and rock, rock and lead to the internals of transformer to damage easily, when the transformer rocks, base 1 moves down, because first mount pad 54, the cooperation between connecting rod 55 and the second mount pad 56, make the movable block 53 remove, spring 57 compresses this moment, will rock and absorb, play the absorbing effect, avoid rocking and make the spare part of transformer damage, high durability and convenient use.

The top equidistance of main part 2 is equipped with high-voltage bushing 6, and the top of main part 2 just is located one side of high-voltage bushing 6 and is equipped with low pressure sleeve 7.

The external dimension of base 1 slightly is less than the internal dimension of installed part 51, stable in structure, and safe in utilization.

The working principle of the oil-immersed three-phase transformer provided by the utility model is as follows:

at first, four fin 3 can be quick absorb the heat inside main part 2, rethread fin 3 discharges to the outside, work through bottom fan 4, the velocity of flow of air around fin 3 has been improved, make fin 3 radiating rate accelerate, the thermal diffusivity of main part 2 has further been improved, convenient to use, it rocks to produce easily when transporting the transformer, it damages to rock the internals that leads to the transformer easily, when the transformer rocks, base 1 moves down, because first mount pad 54, the cooperation between connecting rod 55 and the second mount pad 56, make movable block 53 remove, spring 57 compresses this moment, it absorbs to rock, play the absorbing, play absorbing effect, avoid rocking and make the spare part of transformer damage, high durability and convenient use, fin 3 fixes through the screw, be convenient for change damaged fin 3.

four fin 3 of this three-phase transformer can be quick absorb the inside heat of main part 2, rethread fin 3 discharges the outside, work through bottom fan 4, the velocity of flow of air around fin 3 has been improved, make fin 3 radiating rate accelerate, the thermal diffusivity of main part 2 has further been improved, when the transformer rocks, base 1 moves down, because first mount pad 54, the cooperation between connecting rod 55 and the second mount pad 56, make movable block 53 remove, spring 57 compresses this moment, it absorbs to rock, play absorbing effect, avoid rocking the spare part that makes the transformer damages, high durability and convenient use.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. An oil-immersed three-phase transformer comprising: base (1), its characterized in that: the top fixed mounting of base (1) has main part (2), all there are fin (3) through screw fixed mounting on four sides in the outside of main part (2), the inside embedded fan (4) that is connected with of base (1), and the quantity of fan (4) is a plurality of, and is a plurality of fan (4) all are located four the below of fin (3), the below of base (1) is equipped with damper (5).

2. The oil-immersed three-phase transformer according to claim 1, wherein the damping mechanism (5) comprises four second mounting seats (56), the four second mounting seats (56) are fixedly mounted at the bottom of the base (1), the outer portions of the four second mounting seats (56) are respectively provided with a connecting rod (55) through a pin shaft in a rotating manner, and one end of each of the four connecting rods (55) is respectively provided with a first mounting seat (54) through a pin shaft in a rotating manner.

3. The oil-immersed three-phase transformer according to claim 2, wherein two moving blocks (53) are fixedly mounted at the bottom of each two first mounting seats (54), the number of the moving blocks (53) is two, the mounting parts (51) are attached to the bottoms of the two moving blocks (53), and the two moving blocks (53) are located inside the mounting parts (51).

4. The oil-immersed three-phase transformer according to claim 3, wherein limiting rods (52) are welded and connected to the inside of the mounting part (51), the number of the limiting rods (52) is two, the two limiting rods (52) penetrate through the two moving blocks (53), the moving blocks (53) are in sliding connection with the limiting rods (52), springs (57) are sleeved on the outer portions of the two limiting rods (52) and on one side of the outer portions of the two moving blocks (53), and the number of the springs (57) is four.

5. Oil-filled three-phase transformer according to claim 4, characterized in that the top of the main body (2) is equidistantly provided with high voltage bushings (6), and the top of the main body (2) and at one side of the high voltage bushings (6) is provided with low voltage bushings (7).

6. Oil filled three-phase transformer according to claim 5, characterized in that the base (1) has outer dimensions slightly smaller than the inner dimensions of the mounting (51).