CN213958729U

CN213958729U - Transformer with detachable oil tank

Info

Publication number: CN213958729U
Application number: CN202120295041.3U
Authority: CN
Inventors: 商长安; 王晓乐
Original assignee: Yuan Chung Electric Co ltd
Current assignee: Yuan Chung Electric Co ltd
Priority date: 2021-02-02
Filing date: 2021-02-02
Publication date: 2021-08-13
Anticipated expiration: 2031-02-02

Abstract

The utility model relates to an electrical equipment installs technical field, specifically is a transformer with detachable oil tank, including the oil tank, its characterized in that: the welding has the end cover on the oil tank, the welding of end cover left side has the support frame, the support frame upper end is equipped with the conservator, the conservator with through trading oil union coupling between the oil tank, the case lid has been placed to the end cover, the welding of case lid upper surface both sides has the case lid handle, the inclined to one side left side of case lid upper surface intermediate position is equipped with two outer high-voltage line posts, the case lid lower surface corresponds the position with outer high-voltage line post and is equipped with interior high-voltage line post, case lid upper surface intermediate position limit right side is equipped with two outer low-voltage line posts, the case lid lower surface corresponds the position with outer low-voltage line post and is equipped with interior low-voltage line post, the case lid below is equipped with the transformer case, links together oil tank and transformer case detachable through bolted connection case lid, flange and end cover.

Description

Transformer with detachable oil tank

Technical Field

The utility model relates to an electrical equipment installs technical field, specifically is a transformer with detachable oil tank.

Background

The transformer is basic equipment for power transmission and distribution, and is widely applied to the fields of industry, agriculture, traffic, urban communities and the like. About 1700 thousands of transformers run in the network in China, and the total capacity is about 110 hundred million kilovolt-ampere. The transformer loss accounts for about 40% of the power loss of power transmission and distribution, and has great energy-saving potential. In order to accelerate the popularization and application of the high-efficiency energy-saving transformer, improve the utilization efficiency of energy resources, promote the development of green low carbon and high quality, and enable the transformer to generate a large amount of heat energy in the working process, the internal temperature of the transformer needs to be regulated and controlled when the transformer is used, but the service life of the transformer oil is unclear, and the transformer oil needs to be detected from time to determine whether the transformer oil is qualified or not.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a transformer with detachable oil tank to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a transformer with a detachable oil tank comprises the oil tank, wherein an end cover is welded on the oil tank, a support frame is welded on the left side of the end cover, an oil conservator is arranged at the upper end of the support frame, and the oil conservator is connected with the oil tank through an oil changing pipe;

a box cover is placed on the end cover, box cover handles are welded on two sides of the upper surface of the box cover, two outer high-voltage wire columns are arranged on the left side of the middle position of the upper surface of the box cover, inner high-voltage wire columns are arranged on the lower surface of the box cover and correspond to the outer high-voltage wire columns, two outer low-voltage wire columns are arranged on the right side of the middle position edge of the upper surface of the box cover, inner low-voltage wire columns are arranged on the lower surface of the box cover and correspond to the outer low-voltage wire columns, a transformer box is arranged below the box cover, a flange is arranged between the box cover and the transformer box and welded at the opening at the upper end of the transformer box, the box cover is connected with the flange through bolts, the flange is also connected with the end cover through bolts, a transformer is installed at the bottom end of the transformer box, a plurality of side wall through holes are formed in the side walls at two ends of the transformer box, a plurality of bottom through holes are formed in the bottom surface of the transformer box, supporting legs are welded on the periphery of the lower surface of the outer side of the transformer box.

Preferably, the outer high-voltage wire column and the inner high-voltage wire column are connected with each other, and the outer low-voltage wire column and the inner low-voltage wire column are connected with each other.

Preferably, the outer surface of the outer high voltage wire column, the outer low voltage wire column, the inner low voltage wire column and the inner high voltage wire column is uneven.

Preferably, a bolt gasket is padded between the joint of the bolt and the upper surface of the box cover.

Preferably, the length of the supporting foot is equal to the distance from the bottom surface of the outer surface of the transformer tank to the bottom surface of the inner surface of the oil tank.

Preferably, the outer surfaces of the vertical parts at two sides of the transformer are wound with coils, the left side coil is connected with the inner high-voltage wire column, and the right side coil is connected with the inner low-voltage wire column

Compared with the prior art, the beneficial effects of the utility model are that: the device passes through the bolt and links together transformer tank and oil tank detachable, can make the transformer oil in the oil tank get into the transformer tank through the through-hole that transformer tank outside and bottom were seted up and protect the transformer when normal use, also can pull down the oil tank from the transformer tank outside as required, can take off the oil tank after waiting transformer oil in the transformer tank to flow out completely from the through-hole, detects transformer oil wherein.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of the box cover of the present invention;

fig. 3 is a schematic structural diagram of a transformer tank in the present invention;

fig. 4 is a bottom view of the transformer tank of the present invention.

In the figure: 1. an oil tank; 2. an end cap; 3. a support frame; 4. an oil conservator; 5. changing an oil pipe; 6. a box cover; 7. a case cover handle; 8. a bolt; 9. an outer high voltage wire column; 10. an outer low voltage spool; 11. an inner low voltage spool; 12. inner high-voltage wire columns, 13 and a transformer box; 14. a transformer; 15. a flange; 16. a sidewall via; 17. supporting legs; 18. a bottom surface through hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1-4, the present invention provides a technical solution:

a transformer with a detachable oil tank comprises an oil tank 1, wherein an end cover 2 is welded on the oil tank 1, a support frame 3 is welded on the left side of the end cover 2, an oil conservator 4 is arranged at the upper end of the support frame 3, and the oil conservator 4 is connected with the oil tank 1 through an oil changing pipe 5;

a box cover 6 is placed on an end cover 2, box cover handles 7 are welded on two sides of the upper surface of the box cover 6, two outer high-voltage wire columns 9 are arranged on the left side of the middle position of the upper surface of the box cover 6, inner high-voltage wire columns 12 are arranged on the lower surface of the box cover 6 corresponding to the outer high-voltage wire columns 9, two outer low-voltage wire columns 10 are arranged on the right side of the middle position edge of the upper surface of the box cover 6, inner low-voltage wire columns 11 are arranged on the lower surface of the box cover 6 corresponding to the outer low-voltage wire columns 10, a transformer box 13 is arranged below the box cover 6, a flange 15 is arranged between the box cover 6 and the transformer box 13, the flange 15 is welded on the upper end opening of the transformer box 13, the box cover 6 is connected with the flange 15 through bolts 8, the flange 15 is also connected with the end cover 2 through bolts 8, a transformer 14 is installed at the inner bottom end of the transformer box 13, a plurality of side wall through holes 16 are arranged on two ends of the transformer box 13, a plurality of bottom through holes 18 are arranged on the bottom surface of the transformer box 13, supporting legs 17 are welded on the periphery of the lower surface of the outer side of the transformer box 13.

In this embodiment, the outer high voltage wire pole 9 and the inner high voltage wire pole 12 are connected to each other, and the outer low voltage wire pole 10 and the inner low voltage wire pole 11 are connected to each other, so that the current interaction can be completed without penetrating through the case cover 6 by the wires inside and outside the transformer.

In addition, the outer surfaces of the outer high-voltage wire column 9, the outer low-voltage wire column 10, the inner low-voltage wire column 11 and the inner high-voltage wire column 12 are uneven, so that the electric wire can be conveniently wound on the outer surface of a part by a worker.

Further, a bolt gasket is padded between the joint of the bolt 8 and the upper surface of the box cover 6 to protect the joint.

Specifically, the length of the supporting leg 17 is equal to the distance from the bottom surface of the outer surface of the transformer tank 13 to the bottom surface of the inner surface of the oil tank 1, so that a certain supporting force can be provided when the transformer tank 13 is in the oil tank 1, and the supporting leg can also directly play a supporting role after the oil tank 1 is taken down.

Specifically, coils are wound on the outer surfaces of the vertical parts on the two sides of the transformer 14, the left side coil is connected with the inner high-voltage wire pole 12, and the right side coil is connected with the inner low-voltage wire pole 11.

When the transformer with the detachable oil tank is used, a user firstly assembles the transformer tank 13 and the oil tank 1, connects the tank cover 6, the flange 15 and the end cover 2 through the bolts 8, fixes the transformer tank 13 and the oil tank 1, the transformer oil in the oil tank 1 permeates into the transformer tank 13 through the side wall through hole 16 and the bottom surface through hole 18 which are arranged on the outer surface of the transformer tank 13 until the inner low-voltage wire column 11 and the coil on the inner high-voltage wire column 12 are covered, the oil change pipe 5 on the end cover 2 and the oil conservator 4 connected with the oil change pipe 5 are used for preventing the transformer oil from expanding with heat and contracting with cold to cause too high liquid level or not high enough, at the moment, the oil conservator 4 adjusts the liquid level height of the transformer oil in the oil tank 1 through the oil change pipe 5, and when the transformer oil in the oil tank 1 is required to be tested whether to be used normally, the bolts 8 connected on the tank cover 6 are unscrewed, the flange 15 and the end cover 2 are separated, then the transformer tank 13 is lifted up slowly from the oil tank 1 by holding the tank cover handle 7, the transformer oil in the transformer tank 13 is put down slowly after being taken out completely until the supporting legs 17 touch the bottom surface, and the transformer oil in the oil tank 1 can be detected.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and not intended to limit the present invention, and that there may be various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications fall within the scope of the present invention, which is defined by the appended claims and their equivalents.

Claims

1. A transformer with a detachable oil tank comprises an oil tank (1), and is characterized in that: an end cover (2) is welded on the oil tank (1), a support frame (3) is welded on the left side of the end cover (2), an oil conservator (4) is arranged at the upper end of the support frame (3), and the oil conservator (4) is connected with the oil tank (1) through an oil changing pipe (5);

a box cover (6) is placed on the end cover (2), box cover handles (7) are welded on two sides of the upper surface of the box cover (6), two outer high-voltage wire columns (9) are arranged on the left side of the middle position of the upper surface of the box cover (6), inner high-voltage wire columns (12) are arranged on the lower surface of the box cover (6) corresponding to the outer high-voltage wire columns (9), two outer low-voltage wire columns (10) are arranged on the right side of the middle position of the upper surface of the box cover (6), inner low-voltage wire columns (11) are arranged on the lower surface of the box cover (6) corresponding to the outer low-voltage wire columns (10), a transformer box (13) is arranged below the box cover (6), a flange (15) is arranged between the box cover (6) and the transformer box (13), the flange (15) is welded at an opening at the upper end of the transformer box (13), and the box cover (6) is connected with the flange (15) through bolts (8), flange (15) with end cover (2) also connect through bolt (8), transformer (14) are installed to bottom in transformer case (13), a plurality of lateral wall through-holes (16) have been seted up to transformer case (13) both ends lateral wall, a plurality of bottom surface through-holes (18) have been seted up to transformer case (13) bottom surface, transformer case (13) outside lower surface has all around welded supporting legs (17).

2. The transformer with a detachable fuel tank of claim 1, wherein: the outer high-voltage wire column (9) and the inner high-voltage wire column (12) are connected with each other, and the outer low-voltage wire column (10) and the inner low-voltage wire column (11) are connected with each other.

3. The transformer with a detachable fuel tank of claim 1, wherein: the outer surfaces of the outer high-voltage wire column (9), the outer low-voltage wire column (10), the inner low-voltage wire column (11) and the inner high-voltage wire column (12) are uneven.

4. The transformer with a detachable fuel tank of claim 1, wherein: and a bolt gasket is padded between the joint of the bolt (8) and the upper surface of the box cover (6).

5. The transformer with a detachable fuel tank of claim 1, wherein: the length of the supporting leg (17) is equal to the distance from the bottom surface of the outer surface of the transformer box (13) to the bottom surface of the inner surface of the oil tank (1).

6. The transformer with a detachable fuel tank of claim 1, wherein: and coils are wound on the outer surfaces of vertical parts on two sides of the transformer (14), the left side coil is connected with the inner high-voltage wire column (12), and the right side coil is connected with the inner low-voltage wire column (11).