CN209822442U - Transformer oil tank with three-dimensional wound iron core - Google Patents

Abstract

The utility model discloses a transformer tank unshakable in one's determination is rolled up to solid, the oil tank includes that the cross section is hexagonal last case lid, box and lower case lid, the hexagon is formed for 3 the same long limits and minor face interval connection, and the contrast equilateral triangle oil tank has reduced the materials of apex angle portion, has practiced thrift the cost. The upper cover, the lower cover and the lower box cover further comprise a first oil saving box and a second oil saving box which are matched with the wire grooves of the three-dimensional wound cores, so that redundant space in the wire grooves is reduced, oil quantity in the transformer oil tank is saved, and cost is further reduced.

Description

Transformer oil tank with three-dimensional wound iron core

Technical Field

The utility model relates to a power equipment field, in particular to transformer tank unshakable in one's determination is rolled up to solid.

Background

In the field of transformers, in order to save manufacturing cost and reduce volume, a core frame is generally added at the center of an iron core to form a wound iron core, and a three-dimensional wound iron core is widely applied as a more reasonable technology. At present, an oil tank structure with an equilateral triangle cross section is generally adopted to be matched with the three-dimensional wound core, and although the oil tank structure can be used for carrying the three-dimensional wound core, the space utilization rate in the oil tank is low.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to solve one of the technical problem that exists among the prior art at least, provide a transformer tank unshakable in one's determination is rolled up to the solid, can improve the space utilization in the oil tank to reduce transformer oil's quantity, reduce manufacturing cost.

According to a first aspect of the present invention, there is provided a transformer tank with a three-dimensional wound core, comprising an oil tank, wherein the oil tank sequentially comprises an upper tank cover, a tank body and a lower tank cover, the cross section of which is hexagonal, the upper tank cover and the lower tank cover are respectively and fixedly connected to the upper side and the lower side of the tank body, the hexagon comprises 3 same long sides and 3 same short sides, and the long sides and the short sides are alternately connected in a staggered manner; the bottom side of the upper box cover and the top side of the lower box cover respectively comprise a first oil saving box and a second oil saving box which are matched with the opening shape of the wire groove of the three-dimensional wound core.

The utility model provides a transformer tank unshakable in one's determination is rolled up to solid includes following beneficial effect at least: set the oil tank into the hexagon cylinder, practiced thrift 3 apex angle portions to the current equilateral triangle box of contrast, practiced thrift the material of oil tank and the oil mass in the oil tank. Meanwhile, the first oil saving box and the second oil saving box are arranged in the upper box cover and the lower box cover, and the wire grooves in the center of the three-dimensional wound core are filled, so that the oil quantity in the oil tank is further reduced, and the cost is saved.

According to the utility model discloses an aspect the transformer tank unshakable in one's determination is rolled up to solid, the upside of box and the cross sectional shape of upside respectively with it is the same with lower case lid to go up the case lid, go up the case lid pass through fixed connector connect in the upside case of box is followed, lower case lid pass through fixed connector connect in the downside case of box is followed. From the structural point of view, the shape matching of the tank cover and the tank edge can maintain the sealing performance in the oil tank.

According to the utility model discloses the first aspect a transformer tank unshakable in one's determination is rolled up to solid, still including being used for giving off the thermal fin of transformer, the fin fixed set up in the outside surface that the long limit of box cross-section corresponds. Structurally, the area of the side face corresponding to the long edge is large, the number of the arranged radiating fins is large, and a better radiating effect can be achieved.

According to the utility model discloses the first aspect a transformer tank unshakable in one's determination is rolled up to solid, first festival oil box and second festival oil box are three prismatic table structures, the lower bottom of first festival oil box with go up the case lid and be connected, the lower bottom of second festival oil box with lower case lid is connected. Structurally, the cross section of the wire slot of the three-dimensional wound core is triangular, so that the oil saving box adopting the triangular frustum structure can be favorable for the oil saving box to be inserted into the wire slot, and the oil quantity is saved.

According to the transformer oil tank with the three-dimensional wound core, the bottom edge of the first oil saving box is parallel to the long edge of the upper box cover; and the bottom edge of the second oil saving box is parallel to the long edge of the lower box cover. Structurally, the bottom edge of the oil-saving box is parallel to the long edge of the box cover, so that the three-dimensional wound core can be conveniently arranged and the oil-saving box can be conveniently inserted.

According to the utility model discloses an aspect a transformer tank unshakable in one's determination is rolled up to solid, the fixed support that is provided with two parallels of bottom side of case lid down. Structurally, the oil tank is supported by the bracket, and the stability of the oil tank during placement can be ensured.

The second aspect of the present invention further provides a transformer, which comprises a transformer tank as described above. The volume of the transformer and the oil quantity in the transformer oil tank are reduced, and the cost is saved.

Drawings

The present invention will be further described with reference to the accompanying drawings and examples;

fig. 1 is a perspective view of a transformer tank with a three-dimensional wound core according to an embodiment of the present invention;

fig. 2 is a front view of a transformer tank with a three-dimensional wound core according to an embodiment of the present invention;

fig. 3 is a top view of a transformer tank with a three-dimensional wound core according to an embodiment of the present invention, after an upper tank cover is removed;

fig. 4 is a schematic view of an upper case cover of a transformer tank with a three-dimensional wound core according to an embodiment of the present invention, wherein (a) is a front view of the upper case cover, (b) is a perspective view of a bottom side of the upper case cover, and (c) is a top view of the upper case cover;

fig. 5 is a schematic view of a lower case cover of a transformer tank with a three-dimensional wound core according to an embodiment of the present invention, wherein (a) is a front view of the lower case cover, (b) is a perspective view of the lower case cover, and (c) is a top view of the lower case cover.

Detailed Description

This section will describe in detail the embodiments of the present invention, preferred embodiments of the present invention are shown in the attached drawings, which are used to supplement the description of the text part of the specification with figures, so that one can intuitively and vividly understand each technical feature and the whole technical solution of the present invention, but they cannot be understood as the limitation of the protection scope of the present invention.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated with respect to the orientation description, such as up, down, front, rear, left, right, etc., is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, a plurality of means are one or more, a plurality of means are two or more, and the terms greater than, less than, exceeding, etc. are understood as not including the number, and the terms greater than, less than, within, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present invention, unless there is an explicit limitation, the words such as setting, installation, connection, etc. should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above words in combination with the specific contents of the technical solution.

Referring to fig. 1 to 3, an embodiment of the present invention provides a transformer tank with a three-dimensional wound core, including an oil tank 10, where the oil tank 10 sequentially includes an upper tank cover 20, a tank body 30, and a lower tank cover 40, the cross section of which is a hexagon, the upper tank cover 20 and the lower tank cover 40 are respectively and fixedly connected to the upper side and the lower side of the tank body 30, the hexagon includes 3 same long sides and 3 same short sides, and the long sides and the short sides are alternately connected in a staggered manner; the bottom side of the upper box cover 20 and the top side of the lower box cover 40 respectively comprise a first oil saving box 21 and a second oil saving box 41 which are matched with the shapes of the wire groove openings of the three-dimensional wound cores. It should be noted that the cross sections of the upper case cover 20, the case body 30 and the lower case cover 40 may be any shapes, and the installation of the three-dimensional wound core may be achieved. It can be understood that the hexagonal shape shown in fig. 1 is preferred in the present embodiment, and an equilateral hexagonal shape or a hexagonal shape with different sides may also be used, and it is only preferred that the long side and the short side of the present embodiment are equal, which can better match the installation of the three-dimensional wound core. It should be noted that the first oil saving box 21 and the second oil saving box 41 may be oil saving boxes with any height, and the insertion of the wire casing can be realized without affecting the installation of the coil, which is beneficial to controlling the oil amount in the oil tank by changing the height of the oil saving boxes.

Referring to fig. 3 to 5, in another embodiment of the present invention, the cross-sectional shapes of the upper side and the upper side of the box body 30 are the same as the upper box cover 20 and the lower box cover 40, respectively, the upper box cover 20 is connected to the upper box edge of the box body 30 by a fixed connector, and the lower box cover 40 is connected to the lower box edge of the box body 30 by a fixed connector. It should be noted that the shape of case 30 is preferably matched to upper case cover 20 and lower case cover 40, which is advantageous for improving the sealing property. It should be noted that the upper case cover 20 and the lower case cover 40 can be fixedly connected to the case body 30 in any form, and in this embodiment, it is preferable to provide a plurality of holes on the edges of the upper case cover 20 and the lower case cover 40, and at the same time, provide holes on the corresponding positions along the case edge of the case body 30, and connect them by a connecting member, such as a screw or a two-way screw.

Referring to fig. 3, in another embodiment of the present invention, the heat dissipation device further includes a heat dissipation plate 31 for dissipating heat of the transformer, wherein the heat dissipation plate 31 is fixedly disposed on an outer side surface corresponding to a long side of the cross section of the box 30. It should be noted that the arrangement of the heat dissipation fins 31 on the outer side surfaces corresponding to the long sides is only preferable in this embodiment, and can be adjusted according to actual production requirements.

Referring to fig. 4(a), 4(b), 5(a), 5(b), in another embodiment of the present invention, the first oil-saving box 21 and the second oil-saving box 41 are of a three-edged platform structure, the lower bottom of the first oil-saving box 21 is connected to the upper box cover 20, and the lower bottom of the second oil-saving box 41 is connected to the lower box cover 40. It can be understood that, referring to fig. 4(a), the first oil saving box 21 is disposed at the center of the upper box cover 20, and the specific position can be adjusted according to actual production requirements in consideration of cooperation with the wire chase of the three-dimensional wound core, and the same conclusion can be drawn for the second oil saving box 41 referring to fig. 5(a), which is not described again.

Referring to fig. 4(c) and 5(c), in another embodiment of the present invention, the bottom edge of the first fuel saving box 21 is parallel to the long edge of the upper box cover 20; the bottom edge of the second oil saving box 41 is parallel to the long edge of the lower box cover 40. In the present embodiment, the arrangement of the first oil saving box 21 and the second oil saving box 41 is preferably based on the mounting manner of the three-dimensional wound core, and the oil saving boxes may be inserted into the wire grooves.

Referring to fig. 5, in another embodiment of the present invention, two parallel brackets 42 are fixedly disposed on the bottom side of the lower case cover 40. It should be noted that the support 42 may be any shape, such as a circular or square support, and the embodiment is preferably two parallel strip supports, so that the fuel tank 10 is more stable when placed on the ground.

Another embodiment of the present invention further provides a transformer, which comprises the transformer tank with a three-dimensional wound core as described above.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present invention within the knowledge of those skilled in the art.

Claims (7)

1. The utility model provides a transformer tank of three-dimensional wound core, includes the oil tank, its characterized in that: the oil tank sequentially comprises an upper tank cover, a tank body and a lower tank cover, wherein the cross section of the upper tank cover is hexagonal, the upper tank cover and the lower tank cover are fixedly connected to the upper side and the lower side of the tank body respectively, the hexagon comprises 3 same long sides and 3 same short sides, and the long sides and the short sides are alternately connected in a staggered manner;

the bottom side of the upper box cover and the top side of the lower box cover respectively comprise a first oil saving box and a second oil saving box which are matched with the opening shape of the wire groove of the three-dimensional wound core.

2. The transformer tank of the stereoscopic wound core as claimed in claim 1, wherein: the cross section shape of the upside and the upside of box respectively with go up the case lid and lower case lid is the same, go up the case lid pass through fixed connection spare connect in the upside case of box is followed, lower case lid pass through fixed connection spare connect in the downside case of box is followed.

3. The transformer tank of the stereoscopic wound core as claimed in claim 2, wherein: the transformer heat dissipation structure is characterized by further comprising heat dissipation fins for dissipating heat of the transformer, wherein the heat dissipation fins are fixedly arranged on the outer side surface corresponding to the long edge of the section of the box body.

4. The transformer tank of the stereoscopic wound core as claimed in claim 1, wherein: the first oil saving box and the second oil saving box are of a triangular platform structure, the bottom of the first oil saving box is connected with the upper box cover, and the bottom of the second oil saving box is connected with the lower box cover.

5. The transformer tank of the stereoscopic wound core as claimed in claim 4, wherein: the bottom edge of the first oil saving box is parallel to the long edge of the upper box cover; and the bottom edge of the second oil saving box is parallel to the long edge of the lower box cover.

6. The transformer tank of the stereoscopic wound core as claimed in claim 1, wherein: and two parallel brackets are fixedly arranged at the bottom side of the lower box cover.

7. A transformer, characterized by: a transformer tank comprising a solid wound core according to any one of claims 1 to 6.