CN220065388U - Transformer - Google Patents

Abstract

The embodiment of the utility model provides a transformer, and relates to the technical field of transformers. The transformer comprises an oil tank, a coil, a sleeve, a phase line lead and a first standing tree clamp, wherein the coil is arranged in the oil tank, the sleeve is arranged on one side of the oil tank, two ends of the phase line lead are respectively and electrically connected with the coil and the sleeve, the first standing tree clamp is arranged in the oil tank, and the first standing tree clamp is used for fixing the phase line lead. The transformer is simple in structure, the phase line lead wire can be fixed without using a transverse wood clamping piece, and production cost can be reduced.

Description

Transformer

Technical Field

The utility model relates to the technical field of transformer equipment, in particular to a transformer.

Background

The transformer is one of important equipment in industrial and mining enterprises and civil building power supply and distribution systems, the phase line lead wire of the existing transformer is led out from the head part of a coil, the phase line lead wire is upwards routed, the transformer is fixed by a transverse wood clamping piece, the wire is bent and routed to the upper part of an iron core, then the transformer is horizontally bent, is fixed by the transverse wood clamping piece, and finally is routed to the tail part of a sleeve, and is connected with the sleeve.

However, this wiring method of the phase wire leads requires a plurality of positions to be fixed by using a rail clamp, and the rail clamp is used in a large amount, which results in an increase in production cost and a complicated structure.

Disclosure of Invention

The utility model aims to provide a transformer which is simple in structure, phase line leads can be fixed without using a transverse wood clamping piece, and production cost can be reduced.

Embodiments of the present utility model are implemented as follows:

in a first aspect, the present utility model provides a transformer comprising:

an oil tank;

the coil is arranged on the oil tank;

the sleeve is arranged on one side of the oil tank;

the two ends of the phase line lead are respectively and electrically connected with the coil and the sleeve; and

the first standing tree clamp is arranged on the oil tank and used for fixing the phase line lead.

In an alternative embodiment, the coil includes an a-phase coil, a B-phase coil, and a C-phase coil, and the a-phase coil, the B-phase coil, and the C-phase coil are all disposed in the oil tank;

the casing comprises an A-phase casing, a B-phase casing and a C-phase casing, and the A-phase casing, the B-phase casing and the C-phase casing are arranged on one side of the oil tank;

the phase line lead comprises an A-phase lead, a B-phase lead and a C-phase lead, wherein two ends of the A-phase lead are respectively and electrically connected with the A-phase coil and the A-phase sleeve, two ends of the B-phase lead are respectively and electrically connected with the B-phase coil and the B-phase sleeve, and two ends of the C-phase lead are respectively and electrically connected with the C-phase coil and the C-phase sleeve.

In an alternative embodiment, the first standing tree clamp comprises a first standing tree clamp, a second standing tree clamp and a third standing tree clamp which are arranged at intervals, the part of the phase A lead wire, which is positioned in the oil tank, is arranged transversely and is simultaneously fixed to the first standing tree clamp, the second standing tree clamp and the third standing tree clamp, the part of the phase B lead wire, which is positioned in the oil tank, is arranged transversely and is simultaneously fixed to the second standing tree clamp and the third standing tree clamp, and the part of the phase C lead wire, which is positioned in the oil tank, is arranged transversely and is fixed to the third standing tree clamp.

In an alternative embodiment, the transformer further includes additional insulation, the fixing positions of the a-phase lead and the first sub-standing tree clamp, the second sub-standing tree clamp and the third sub-standing tree clamp are respectively provided with the additional insulation, the fixing positions of the B-phase lead and the second sub-standing tree clamp and the third sub-standing tree clamp are respectively provided with the additional insulation, and the fixing positions of the C-phase lead and the third sub-standing tree clamp are respectively provided with the additional insulation.

In an alternative embodiment, the phase a coil comprises an a-phase coil body and an a-phase coil head connected with each other, the a-phase coil head being electrically connected with the a-phase lead; the phase B coil comprises a phase B coil body and a phase B coil head which are connected, and the phase B coil head is electrically connected with the phase B lead; the C-phase coil comprises a C-phase coil body and a C-phase coil head which are connected, and the C-phase coil head is electrically connected with the C-phase lead.

In an optional embodiment, the transformer further comprises a first copper pipe, a second copper pipe and a third copper pipe, the first copper pipe is sleeved at the connection part of the first end of the A-phase coil and the A-phase lead, the second copper pipe is sleeved at the connection part of the first end of the B-phase coil and the B-phase lead, and the third copper pipe is sleeved at the connection part of the first end of the C-phase coil and the C-phase lead.

In an alternative embodiment, the transformer further comprises a sleeve lifting seat, the sleeve lifting seat is connected with the oil tank, and the A-phase sleeve, the B-phase sleeve and the C-phase sleeve are all arranged on the sleeve lifting seat;

the lead wire A is simultaneously penetrated in the oil tank and the sleeve lifting seat and is electrically connected with the sleeve A, the lead wire B is simultaneously penetrated in the oil tank and the sleeve lifting seat and is electrically connected with the sleeve B, and the lead wire C is simultaneously penetrated in the oil tank and the sleeve lifting seat and is electrically connected with the sleeve C.

In an alternative embodiment, the transformer further comprises a second standing tree clamp, the second standing tree clamp being disposed on the bushing raising base, the second standing tree clamp being for securing the phase wire leads.

In an alternative embodiment, the second standing tree clamp includes a fourth standing tree clamp and a fifth standing tree clamp, the a-phase lead is disposed longitudinally on a portion of the sleeve raising seat and is simultaneously fixed to the fourth standing tree clamp and the fifth standing tree clamp, and the B-phase lead is disposed longitudinally on a portion of the sleeve raising seat and is fixed to the fourth standing tree clamp.

In an alternative embodiment, the transformer further comprises an upper clamp connected to the coil and a lower clamp connected to the coil.

The beneficial effects of the embodiment of the utility model include:

the transformer comprises an oil tank, a coil, a sleeve, a phase line lead and a first standing tree clamp, wherein the coil is arranged on the oil tank, the sleeve is arranged on one side of the oil tank, two ends of the phase line lead are respectively and electrically connected with the coil and the sleeve, the first standing tree clamp is arranged on the oil tank, and the first standing tree clamp is used for fixing the phase line lead; thus, after the phase line lead is led out from the coil, the traveling line can be clamped and fixed through the first standing wood clamping piece and then electrically connected with the sleeve, the phase line lead in the traveling line mode can be fixed without using the transverse wood clamping piece, the consumption of the transverse wood clamping piece is saved, the space layout of components in the oil tank can be optimized, and therefore the transformer is simple in structure and low in production cost. Therefore, the transformer has a simple structure, the phase line lead wire can be fixed without using a transverse wood clamping piece, and the production cost can be reduced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a transformer according to a first view angle provided by an embodiment of the present utility model;

fig. 2 is a schematic structural diagram of a transformer according to a second view angle of the present utility model;

fig. 3 is a schematic structural diagram of a transformer according to a third view angle of the present utility model.

Icon: a 100-transformer; 10-an oil tank; 11-a case cover; 20-coils; a 21-A phase coil; a 211-A phase coil body; 212-A phase coil head; a 22-B phase coil; 221-B phase coil body; 222-B phase coil head; 23-C phase coil; a 231-C phase coil body; 232-C phase coil head; 30-sleeve; a 31-A phase sleeve; a 32-B phase sleeve; 33-C phase sleeve; 40-phase wire; 41-A phase lead; 42-B phase lead; a 43-C phase lead; 50-a first standing tree clip; 51-a first sub-standing tree clip; 52-a second standing tree clip; 53-a third standing tree clip; 61-a first copper tube; 62-a second copper tube; 63-a third copper tube; 64-additional insulation; 70-sleeve lifting seat; 80-a second standing tree clip; 81-fourth standing tree clamp; 82-a fifth standing tree clip; 91-upper clip piece; 92-lower clip.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. 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.

It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in use of the inventive product, are merely for convenience of describing the present utility model and simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like do not denote a requirement that the component be absolutely horizontal or overhang, but rather may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.

In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

As described in the background art, a transformer is one of important devices in power supply and distribution systems of industrial and mining enterprises and civil buildings, a phase line lead of a transformer is led out from a coil head, the phase line lead is routed upwards, fixed by a rail clamp, bent and routed above an iron core, bent horizontally, fixed by the rail clamp, and routed to a sleeve tail, and connected with the sleeve. However, this wiring method of the phase wire leads requires a plurality of positions to be fixed by using a rail clamp, and the rail clamp is used in a large amount, which results in an increase in production cost and a complicated structure.

Based on this, referring to fig. 1-3, an embodiment of the present utility model provides a transformer 100, which can effectively solve the above-mentioned technical problems, that is, the transformer 100 has a simple structure, the phase lead 40 of the transformer 100 can be fixed without using a rail clip, and the production cost can be reduced.

It should be noted that, when the transformer 100 is placed in a conventional manner, the front, rear, left, right, up and down directions shown in fig. 1-3 are all relative positional relationships that can be clearly known to those skilled in the art, and the transformer 100 will be described in detail below.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a first view angle of a transformer 100 according to the present embodiment, and referring to fig. 1, the transformer 100 includes an oil tank 10, a coil 20, a sleeve 30, a phase wire lead 40 and a first standing tree clamp 50, the coil 20 is disposed on the oil tank 10, the sleeve 30 is disposed on one side of the oil tank 10, two ends of the phase wire lead 40 are respectively electrically connected with the coil 20 and the sleeve 30, the first standing tree clamp 50 is disposed on the oil tank 10, and the first standing tree clamp 50 is used for fixing the phase wire lead 40; thus, after the phase lead 40 is led out from the coil 20, the traveling wire can be clamped and fixed by the first standing tree clamp 50 and then electrically connected with the sleeve 30, and the phase lead 40 can be fixed without using a transverse tree clamp in the traveling wire mode, so that the consumption of the transverse tree clamp is saved, the space layout of components in the oil tank 10 can be optimized, and the transformer 100 is simple in structure and low in production cost. Therefore, the transformer 100 is simple in structure, the phase wire 40 can be fixed without using a rail clip, and the production cost can be reduced.

Specifically, referring to fig. 2, fig. 2 is a schematic structural diagram of a second view angle of the transformer 100 according to the present embodiment, and referring to fig. 1 and 2, the coil 20 includes an a-phase coil 21, a B-phase coil 22 and a C-phase coil 23, and the a-phase coil 21, the B-phase coil 22 and the C-phase coil 23 are all disposed in the oil tank 10; the casing 30 includes an a-phase casing 31, a B-phase casing 32, and a C-phase casing 33, and the a-phase casing 31, the B-phase casing 32, and the C-phase casing 33 are all disposed at one side of the oil tank 10; the phase wire 40 includes an a-phase wire 41, a B-phase wire 42, and a C-phase wire 43, both ends of the a-phase wire 41 are electrically connected to the a-phase coil 21 and the a-phase sleeve 31, both ends of the B-phase wire 42 are electrically connected to the B-phase coil 22 and the B-phase sleeve 32, and both ends of the C-phase wire 43 are electrically connected to the C-phase coil 23 and the C-phase sleeve 33, respectively.

In order to better fix the bushing 30 and facilitate the electrical connection of the bushing 30 with the phase lead 40, the transformer 100 further comprises a bushing elevating seat 70, the bushing elevating seat 70 is connected with the oil tank 10, and the a-phase bushing 31, the B-phase bushing 32 and the C-phase bushing 33 are all arranged on the bushing elevating seat 70; the a-phase lead wire 41 is simultaneously inserted into the oil tank 10 and the sleeve raising seat 70 and electrically connected with the a-phase sleeve 31, the B-phase lead wire 42 is simultaneously inserted into the oil tank 10 and the sleeve raising seat 70 and electrically connected with the B-phase sleeve 32, and the C-phase lead wire 43 is simultaneously inserted into the oil tank 10 and the sleeve raising seat 70 and electrically connected with the C-phase sleeve 33.

In the present embodiment, the sleeve raising base 70 is connected to the upper right side wall of the oil tank 10, however, the position of the sleeve raising base 70 is not limited, and the specific position thereof may be determined according to the position of the phase wire 40, so long as the sleeve 30 can be fixed and the sleeve 30 can be connected to the phase wire 40.

Since the two ends of the phase wire 40 are electrically connected to the coil 20 and the bushing 30, respectively, and the bushing 30 is mounted and fixed to the bushing elevating seat 70, it is easy to understand that a part of the phase wire 40 is located in the oil tank 10 and another part is located in the bushing elevating seat 70.

In this way, further, the first standing tree clamp 50 includes a first sub-standing tree clamp 51, a second sub-standing tree clamp 52 and a third sub-standing tree clamp 53 which are disposed at intervals, a portion of the a-phase lead 41 located in the fuel tank 10 is disposed in a lateral direction and is simultaneously fixed to the first sub-standing tree clamp 51, the second sub-standing tree clamp 52 and the third sub-standing tree clamp 53, a portion of the b-phase lead 42 located in the fuel tank 10 is disposed in a lateral direction and is simultaneously fixed to the second sub-standing tree clamp 52 and the third sub-standing tree clamp 53, and a portion of the c-phase lead 43 located in the fuel tank 10 is disposed in a lateral direction and is fixed to the third sub-standing tree clamp 53.

The transverse direction refers to the left-right direction, that is, in this embodiment, the phase wire 40 is routed in the tank 10 in a left-right direction, and is clamped and fixed by the first standing timber clamping member 50.

Specifically, the a-phase lead 41 is led out from the oil tank 10 and electrically connected with the a-phase sleeve 31 in the sleeve lifting seat 70 after being clamped and fixed by the first sub-standing-wood clamping piece 51, the second sub-standing-wood clamping piece 52 and the third sub-standing-wood clamping piece 53 in sequence from left to right; the B-phase lead 42 is led out of the oil tank 10 and is electrically connected with the B-phase sleeve 32 in the sleeve lifting seat 70 after being clamped and fixed by the second standing tree clamping piece 52 and the third standing tree clamping piece 53 from left to right in sequence; after the C-phase lead wire 43 is clamped and fixed from left to right by the third standing timber clamp 53, it is led out from the fuel tank 10 and electrically connected with the C-phase bushing 33 in the bushing raising base 70.

It will be appreciated that referring to fig. 1 and 2, the first sub-standing timber clamp 51 clamps the a-phase lead 41, the second sub-standing timber clamp 52 clamps the a-phase lead 41 and the B-phase lead 42 simultaneously, and the third sub-standing timber clamp 53 clamps the a-phase lead 41, the B-phase lead 42 and the C-phase lead 43 simultaneously.

In particular, by arranging the a-phase lead 41, the B-phase lead 42, and the C-phase lead 43 in parallel and routing them laterally inside the tank 10, the portions of the a-phase lead 41, the B-phase lead 42, and the C-phase lead 43 located inside the tank 10 can be disposed on one side of the coil 20, that is, on the side close to the inner wall of the tank 10, so that the phase lead 40 can be routed not over the iron core (not shown) of the coil 20 but only on the side of the coil 20 close to the inner wall of the tank 10, compared to the routing method by the rail clip, which can reduce the distance between the iron core and the cover 11 of the tank 10, make the layout of the internal space of the tank 10 more compact, and reduce the cost. In addition, in this routing method, the routing path of the phase wire 40 is short, the amount of the phase wire 40 is reduced, and the cost can be further reduced, so that the overall structure of the transformer 100 is simpler.

Referring to fig. 1, further, the a-phase coil 21 includes an a-phase coil body 211 and an a-phase coil head 212 connected to each other, the a-phase coil head 212 being electrically connected to the a-phase lead 41; the B-phase coil 22 includes a B-phase coil body 221 connected to the B-phase coil head 222, the B-phase coil head 222 being electrically connected to the B-phase lead 42; the C-phase coil 23 includes a C-phase coil body 231 and a C-phase coil head 232 connected thereto, and the C-phase coil head 232 is electrically connected to the C-phase lead 43.

In order to better electrically connect the coil 20 with the phase lead 40, the transformer 100 further includes a first copper pipe 61, a second copper pipe 62, and a third copper pipe 63, wherein the first copper pipe 61 is sleeved at the connection between the phase a coil head 212 and the phase a lead 41, the second copper pipe 62 is sleeved at the connection between the phase B coil head 222 and the phase B lead 42, and the third copper pipe 63 is sleeved at the connection between the phase C coil head 232 and the phase C lead 43. It is readily known to those skilled in the art that the first copper tube 61, the second copper tube 62 and the third copper tube 63 are connected by crimping and are insulated by wrapping the crimping.

Further, since the phase wire 40 is clamped and fixed by the first standing tree clamping member 50, in order to prevent insulation damage at the fixing position of the phase wire 40 and the first standing tree clamping member 50, the transformer 100 further includes additional insulation 64, the fixing positions of the a-phase wire 41 and the first, second and third standing tree clamping members 51, 52 and 53 are respectively provided with additional insulation 64, and similarly, the fixing positions of the B-phase wire 42 and the second and third standing tree clamping members 52 and 53 are respectively provided with additional insulation 64, and the fixing positions of the c-phase wire 43 and the third standing tree clamping member 53 are respectively provided with additional insulation 64.

With continued reference to fig. 1 and 2, when the phase wire 40 is routed through the oil tank 10 to the interior of the sleeve-raising base 70, it is necessary to be electrically connected to the sleeve 30, and in order to fix the phase wire 40 located in the sleeve-raising base 70, the transformer 100 further includes a second standing-wire clamp 80, and the second standing-wire clamp 80 is disposed in the sleeve-raising base 70 and is used for fixing the phase wire 40.

Further, the second standing tree clamp 80 includes a fourth sub-standing tree clamp 81 and a fifth sub-standing tree clamp 82, and the a-phase lead 41 is disposed longitudinally at a portion of the sleeve raising base 70 and is simultaneously fixed to the fourth sub-standing tree clamp 81 and the fifth sub-standing tree clamp 82, and the b-phase lead 42 is disposed longitudinally at a portion of the sleeve raising base 70 and is fixed to the fourth sub-standing tree clamp 81.

It should be noted that, the longitudinal direction refers to the front-rear direction, that is, in this embodiment, the phase wire 40 is routed in the bushing raising base 70 in a front-rear direction, and is clamped and fixed by the second standing timber clamping member 80.

Specifically, when the a-phase lead 41 is laterally routed from the oil tank 10 to the sleeve lifting seat 70, the a-phase lead is bent by 90 degrees, and is clamped and fixed by the fourth sub-standing-wood clamping piece 81 and the fifth sub-standing-wood clamping piece 82 from front to back in sequence, and then is electrically connected with the a-phase sleeve 31; when the B-phase lead 42 is transversely routed from the oil tank 10 to the sleeve lifting seat 70, the B-phase lead is bent by 90 degrees, is clamped and fixed by a fourth standing wood clamping piece 81 from front to back, and is electrically connected with the B-phase sleeve 32; since the C-phase bushing 33 is closer to the third sub-standing timber clamp 53, the C-phase lead 43 can be directly electrically connected to the C-phase bushing 33 after being routed laterally from the fuel tank 10 to the bushing elevating seat 70. Of course, in other embodiments, a sixth standing timber clamp (not shown) may be provided to clamp and fix the C-phase lead 43, and then electrically connect with the C-phase bushing 33.

Similarly, by arranging the a-phase lead 41, the B-phase lead 42, and the C-phase lead 43 in parallel and routing them longitudinally in the bushing raising base 70, the routing path of the phase lead 40 is short and the amount of the phase lead 40 is reduced, which can further reduce the cost.

Also, in order to prevent insulation damage at the fixing locations, the fixing locations of the a-phase lead 41 and the fourth sub-standing timber clamping member 81 and the fifth sub-standing timber clamping member 82 are provided with additional insulation 64, and the fixing locations of the b-phase lead 42 and the fourth sub-standing timber clamping member 81 are also provided with additional insulation 64.

Referring to fig. 3, fig. 3 is a schematic structural diagram of a third view of the transformer 100 according to the present embodiment, and in conjunction with fig. 1-3, in order to fix the coil 20, the transformer 100 further includes an upper clamping member 91 and a lower clamping member 92, wherein the upper clamping member 91 is connected with the coil 20, and the lower clamping member 92 is connected with the coil 20, so that the coil 20 can be better fixed through the upper clamping member 91 and the lower clamping member 92.

In this embodiment, the number of the upper clamping members 91 and the lower clamping members 92 is two, so that the coils 20 can be fixed and limited in the front-rear direction, and the coils 20 can be connected more firmly. Of course, in other embodiments, the number of the upper clamping members 91 and the lower clamping members 92 is not limited, and the coil 20 can be fixed. In addition, in the present embodiment, the two ends of the first standing timber clamping member 50 are connected to the upper clamping member 91 and the lower clamping member 92, respectively, so that the first standing timber clamping member 50 can be fixed, and the first standing timber clamping member 50 can clamp the phase wire 40 conveniently.

In summary, the embodiment of the utility model provides a transformer 100, the transformer 100 includes an oil tank 10, a coil 20, a sleeve 30, a phase lead 40 and a first standing tree clamp 50, the coil 20 is disposed in the oil tank 10, the sleeve 30 is disposed at one side of the oil tank 10, two ends of the phase lead 40 are respectively electrically connected with the coil 20 and the sleeve 30, the first standing tree clamp 50 is disposed in the oil tank 10, and the first standing tree clamp 50 is used for fixing the phase lead 40; thus, after the phase lead 40 is led out from the coil 20, the traveling wire can be clamped and fixed by the first standing tree clamp 50 and then electrically connected with the sleeve 30, and the phase lead 40 can be fixed without using a transverse tree clamp in the traveling wire mode, so that the consumption of the transverse tree clamp is saved, the space layout of components in the oil tank 10 can be optimized, and the transformer 100 is simple in structure and low in production cost.

Further, by arranging the a-phase lead 41, the B-phase lead 42, and the C-phase lead 43 in parallel and routing them laterally inside the tank 10, the distance between the iron core and the cover 11 of the tank 10 can be reduced, and the internal space layout of the tank 10 can be made more compact, thereby reducing the cost; in addition, by arranging the a-phase lead 41, the B-phase lead 42, and the C-phase lead 43 in parallel and routing them longitudinally in the bushing raising base 70, the routing path of the phase lead 40 is short, the amount of the phase lead 40 is reduced, and the cost can be further reduced, thereby making the overall structure of the transformer 100 simpler.

Therefore, the transformer 100 has a simple structure, the phase lead 40 can be fixed without using a rail clamp, the routing path of the phase lead 40 is short, the consumption of the phase lead 40 is small, and the production cost can be reduced.

The above description is only of specific embodiments of the utility model and is not intended to limit the utility model, but various modifications and variations can be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. A transformer, comprising:

an oil tank (10);

a coil (20), wherein the coil (20) is arranged on the oil tank (10);

a sleeve (30), wherein the sleeve (30) is arranged on one side of the oil tank (10);

a phase wire lead (40), wherein both ends of the phase wire lead (40) are electrically connected with the coil (20) and the sleeve (30) respectively; and

the first standing tree clamp (50) is arranged on the oil tank (10), and the first standing tree clamp (50) is used for fixing the phase line lead (40).

2. The transformer according to claim 1, wherein the coil (20) comprises an a-phase coil (21), a B-phase coil (22) and a C-phase coil (23), the a-phase coil (21), the B-phase coil (22) and the C-phase coil (23) being all provided in the oil tank (10);

the casing (30) comprises an A-phase casing (31), a B-phase casing (32) and a C-phase casing (33), wherein the A-phase casing (31), the B-phase casing (32) and the C-phase casing (33) are arranged on one side of the oil tank (10);

the phase wire (40) comprises an A-phase wire (41), a B-phase wire (42) and a C-phase wire (43), wherein two ends of the A-phase wire (41) are respectively and electrically connected with the A-phase coil (21) and the A-phase sleeve (31), two ends of the B-phase wire (42) are respectively and electrically connected with the B-phase coil (22) and the B-phase sleeve (32), and two ends of the C-phase wire (43) are respectively and electrically connected with the C-phase coil (23) and the C-phase sleeve (33).

3. The transformer according to claim 2, wherein the first standing tree clamp (50) comprises a first sub-standing tree clamp (51), a second sub-standing tree clamp (52) and a third sub-standing tree clamp (53) which are arranged at intervals, the portion of the a-phase lead (41) located in the oil tank (10) is arranged transversely and is fixed to the first sub-standing tree clamp (51), the second sub-standing tree clamp (52) and the third sub-standing tree clamp (53) at the same time, the portion of the B-phase lead (42) located in the oil tank (10) is arranged transversely and is fixed to the second sub-standing tree clamp (52) and the third sub-standing tree clamp (53) at the same time, and the portion of the C-phase lead (43) located in the oil tank (10) is arranged transversely and is fixed to the third sub-standing tree clamp (53).

4. A transformer according to claim 3, characterized in that the transformer (100) further comprises an additional insulation (64), the fixing locations of the a-phase lead (41) and the first, second and third sub-standing timber clamps (51, 52, 53) are provided with the additional insulation (64), the fixing locations of the B-phase lead (42) and the second and third sub-standing timber clamps (52, 53) are provided with the additional insulation (64), and the fixing locations of the C-phase lead (43) and the third sub-standing timber clamp (53) are provided with the additional insulation (64).

5. The transformer according to claim 2, characterized in that the a-phase coil (21) comprises a connected a-phase coil body (211) and a-phase coil head (212), the a-phase coil head (212) being electrically connected with the a-phase lead (41); the B-phase coil (22) comprises a B-phase coil body (221) and a B-phase coil head (222) which are connected, wherein the B-phase coil head (222) is electrically connected with the B-phase lead (42); the C-phase coil (23) comprises a C-phase coil body (231) and a C-phase coil head (232) which are connected, and the C-phase coil head (232) is electrically connected with the C-phase lead (43).

6. The transformer according to claim 5, wherein the transformer (100) further comprises a first copper tube (61), a second copper tube (62) and a third copper tube (63), the first copper tube (61) is sleeved at the connection between the phase a coil head (212) and the phase a lead (41), the second copper tube (62) is sleeved at the connection between the phase B coil head (222) and the phase B lead (42), and the third copper tube (63) is sleeved at the connection between the phase C coil head (232) and the phase C lead (43).

7. The transformer according to claim 2, wherein the transformer (100) further comprises a bushing raising seat (70), the bushing raising seat (70) being connected to the oil tank (10), the a-phase bushing (31), the B-phase bushing (32) and the C-phase bushing (33) being all arranged at the bushing raising seat (70);

the A-phase lead (41) is simultaneously arranged in the oil tank (10) and the sleeve lifting seat (70) in a penetrating mode and is electrically connected with the A-phase sleeve (31), the B-phase lead (42) is simultaneously arranged in the oil tank (10) and the sleeve lifting seat (70) in a penetrating mode and is electrically connected with the B-phase sleeve (32), and the C-phase lead (43) is simultaneously arranged in the oil tank (10) and the sleeve lifting seat (70) in a penetrating mode and is electrically connected with the C-phase sleeve (33).

8. The transformer of claim 7, wherein the transformer (100) further comprises a second standing tree clamp (80), the second standing tree clamp (80) being disposed on the bushing elevation (70), the second standing tree clamp (80) being for securing the phase wire lead (40).

9. The transformer of claim 8, wherein the second standing tree clamp (80) comprises a fourth sub-standing tree clamp (81) and a fifth sub-standing tree clamp (82), the a-phase lead (41) being disposed longitudinally of a portion of the sleeve raising mount (70) and secured to both the fourth sub-standing tree clamp (81) and the fifth sub-standing tree clamp (82), the B-phase lead (42) being disposed longitudinally of a portion of the sleeve raising mount (70) and secured to the fourth sub-standing tree clamp (81).

10. The transformer according to claim 1, wherein the transformer (100) further comprises an upper clamp (91) and a lower clamp (92), the upper clamp (91) being connected to the coil (20), the lower clamp (92) being connected to the coil (20).