阅读说明：本技术 一种可降低结构损耗的高电压大容量电力变压器器身结构 (High-voltage large-capacity power transformer body structure capable of reducing structural loss ) 是由 刘广西 孙日明 杨剑 于 2021-07-20 设计创作，主要内容包括：本发明公开了一种可降低结构损耗的高电压大容量电力变压器器身结构,包括铁芯、夹件腹板、上梁、聚酯带以及磁分路,所述夹件腹板设置于铁芯的两侧,所述夹件腹板之间跨过铁芯连接有上梁,所述铁芯上束缚有聚酯带,所述夹件腹板的两侧设置有固定板,所述固定板下表面设置有磁分路,所述夹件腹板上还设置有引线支铁。该可降低结构损耗的高电压大容量电力变压器器身结构,结构简单,操作方便,可有效减少器身结构件结构损耗引起局部过热。(The invention discloses a high-voltage large-capacity power transformer body structure capable of reducing structural loss, which comprises an iron core, clamp web plates, an upper beam, polyester belts and magnetic shunts, wherein the clamp web plates are arranged on two sides of the iron core, the upper beam is connected between the clamp web plates across the iron core, the polyester belts are bound on the iron core, fixing plates are arranged on two sides of the clamp web plates, the magnetic shunts are arranged on the lower surfaces of the fixing plates, and lead support irons are further arranged on the clamp web plates. The high-voltage large-capacity power transformer body structure capable of reducing the structural loss is simple in structure and convenient to operate, and can effectively reduce local overheating caused by structural loss of a structure member of the transformer body.)

1. The utility model provides a can reduce high voltage large capacity power transformer ware body structure of structural loss, includes iron core (1), folder web (2), entablature (3), polyester band (4) and magnetism branch circuit (7), its characterized in that: folder web (2) set up in the both sides of iron core (1), stride across iron core (1) between folder web (2) and be connected with upper beam (3), the constraint has polyester tape (4) on iron core (1), the both sides of folder web (2) are provided with fixed plate (6), fixed plate (6) lower surface is provided with magnetism shut (7), still be provided with lead wire on folder web (2) and prop up indisputable (5).

2. The structure of high-voltage large-capacity power transformer body according to claim 1, wherein: magnetic shunt (7) are including insulating barrier (8), electrician's silicon steel sheet (9) and insulated paper groove (12), insulated paper groove (12) are upper end open-ended rectangular groove structure, electrician's silicon steel sheet (9) are placed side by side in insulated paper groove (12), insulating barrier (8) are "Jiong" structure, and one side of electrician's silicon steel sheet (9) is located in insulating barrier (8) pressure, the upper surface of electrician's silicon steel sheet (9) evenly is provided with fixing bolt (10), runs through electrician's silicon steel sheet (9) are provided with ground connection piece (11).

3. The structure of high-voltage large-capacity power transformer body capable of reducing structural loss according to claim 2, wherein: the electrical silicon steel sheet (9) is a high-permeability silicon steel sheet.

4. The structure of high-voltage large-capacity power transformer body capable of reducing structural loss according to claim 2, wherein: the grounding connecting sheet (11) is a copper foil.

5. The structure of high-voltage large-capacity power transformer body capable of reducing structural loss according to claim 2, wherein: the electrical silicon steel sheets (9) are composed of a plurality of rows of silicon steel sheets which are laminated one on another.

6. The structure of high-voltage large-capacity power transformer body according to claim 1, wherein: the upper beam (3) is fixedly connected with the clamping piece web (2) through bolts.

7. The structure of high-voltage large-capacity power transformer body according to claim 1, wherein: the polyester band (4) is bound on the clamping piece web plate (2).

Technical Field

The invention belongs to the technical field of high-voltage large-capacity power transformer body structures capable of reducing structural loss, and particularly relates to a high-voltage large-capacity power transformer body structure capable of reducing structural loss.

Background

At present, the problem of reducing the structural loss of a high-capacity and high-voltage power transformer is a key consideration in the design process of the transformer structure.

The traditional transformer body structural part is too large in quantity, so that the structural loss of the transformer body structural part is too large, local overheating is caused, the load loss of a transformer is easy to exceed the standard due to the structural loss, and the transformer oil is gasified and decomposed due to too high local temperature rise of a steel structural part, so that the transformer fault is caused.

Disclosure of Invention

The present invention is directed to a high voltage large capacity power transformer body structure capable of reducing structural loss, so as to solve the problems mentioned in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: the utility model provides a can reduce high voltage large capacity power transformer ware body structure of structural loss, includes iron core, folder web, upper beam, polyester area and magnetism shunts, the folder web sets up in the both sides of iron core, stride across the iron core between the folder web and be connected with the upper beam, the constraint has the polyester area on the iron core, the both sides of folder web are provided with the fixed plate, the fixed plate lower surface is provided with magnetism shunts, still be provided with lead wire iron on the folder web.

As a preferred technical scheme of the present invention, the magnetic shunt includes an insulating baffle, electrical silicon steel sheets, and an insulating paper slot, the insulating paper slot has a rectangular slot structure with an opening at an upper end, the electrical silicon steel sheets are placed in the insulating paper slot side by side, the insulating baffle has a structure of "Jiong", the insulating baffle is pressed on one side of the electrical silicon steel sheets, fixing bolts are uniformly arranged on an upper surface of the electrical silicon steel sheets, and a grounding connection sheet is arranged to penetrate through the electrical silicon steel sheets.

As a preferred technical scheme of the present invention, the electrical silicon steel sheet is a high permeability silicon steel sheet.

As a preferable technical solution of the present invention, the grounding connection sheet is a copper foil.

As a preferred technical solution of the present invention, the electrical silicon steel sheet is composed of a plurality of rows of silicon steel sheets stacked one on another.

As a preferable technical scheme of the invention, the upper beam is fixedly connected with the web plate of the clamping piece through a bolt.

As a preferred technical scheme of the invention, the polyester band is bound on a clamping piece web plate.

The invention has the technical effects and advantages that:

1. reducing the number of structural members causing structural losses;

2. improving end leakage distribution causing structural loss;

3. local overheating caused by structural loss of a structural part of the transformer body is reduced;

4. simple structure, convenient operation and good economic effect.

Drawings

FIG. 1 is a schematic view of the main structure of the present invention;

FIG. 2 is a schematic diagram of the magnetic shunt of the present invention;

fig. 3 is a schematic structural diagram of the grounding connection piece of the present invention.

In the figure: 1. an iron core; 2. a clamp web; 3. an upper beam; 4. a polyester tape; 5. supporting iron on a lead wire; 6. a fixing plate; 7. a magnetic shunt; 8. an insulating baffle; 9. electrical silicon steel sheets; 10. fixing the bolt; 11. a grounding connecting sheet; 12. and (4) insulating paper grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The invention provides a high-voltage large-capacity power transformer body structure capable of reducing structural loss as shown in figures 1, 2 and 3, which comprises an iron core 1, clamp web plates 2, upper beams 3, polyester belts 4 and magnetic shunts 7, wherein the clamp web plates 2 are arranged on two sides of the iron core 1, the upper beams 3 are connected between the clamp web plates 2 across the iron core 1, the upper beams 3 are fixedly connected with the clamp web plates 2 through bolts, the polyester belts 4 are bound on the iron core 1, the polyester belts 4 are bound on the clamp web plates 2, fixing plates 6 are arranged on two sides of the clamp web plates 2, the magnetic shunts 7 are arranged on the lower surfaces of the fixing plates 6, and lead support irons 5 are also arranged on the clamp web plates 2.

Referring to fig. 2 and 3, magnetic shunt 7 includes insulated baffle 8, electrician's silicon steel sheet 9 and insulated paper groove 12, insulated paper groove 12 is upper end open-ended rectangular groove structure, electrician's silicon steel sheet 9 is placed side by side in insulated paper groove 12, insulated baffle 8 is "Jiong" structure, insulated baffle 8 presses the side of locating electrician's silicon steel sheet 9, electrician's silicon steel sheet 9's upper surface evenly is provided with fixing bolt 10, it is provided with ground connection piece 11 to run through electrician's silicon steel sheet 9, electrician's silicon steel sheet 9 is high magnetic conduction silicon steel sheet, ground connection piece 11 is the copper foil, electrician's silicon steel sheet 9 comprises the silicon steel sheet that multirow and a lamination formed.

In summary, the following steps: according to the high-voltage large-capacity power transformer body structure capable of reducing the structural loss, the iron core 1 is limited and fixed through the clamping piece web 2 and then bound and fixed through the polyester belt 4.

The electrical silicon steel sheets 9 are composed of a plurality of rows of silicon steel sheets stacked one on another, the electrical silicon steel sheets 9 are placed in the insulating paper grooves 12, threaded holes are formed in the electrical silicon steel sheets 9, bolts are screwed on the electrical silicon steel sheets 9 stacked one on another, then the grounding connecting sheets 11 are inserted into the electrical silicon steel sheets 9 in a penetrating manner, and notches for the grounding connecting sheets 11 to penetrate through are reserved in the insulating paper grooves 12.

In the description of the present invention, it is to be understood that, if the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or positional relationship indicated based on the orientation or positional relationship shown in the drawings, it is merely for convenience of describing and simplifying the description, and it is not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be considered 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 at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In the present invention, unless otherwise expressly stated or limited, the first feature "on" or "under" the second feature may be directly contacting the first and second features or indirectly contacting the first and second features through an intermediate. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples and features of different embodiments or examples described in this specification can be combined and combined by one skilled in the art without contradiction.

Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.