KR101959779B1 - Electric transformer - Google Patents

Abstract

The present invention relates to a transformer comprising: a fixing part which includes a pair of upper frames having a U-shaped cross section and one or more upper insertion grooves formed therein, a pair of lower frames having a U-shaped cross section and one or more lower insertion grooves corresponding to the upper insertion grooves, and a pair of connecting frames each having one end inserted into the upper insertion grooves and the other end inserted into the lower insertion grooves; one or more steel plate parts respectively disposed between the pair of upper frames, between the pair of lower frames, and between the pair of connecting frames, and connected to each other; a coupling part coupling the fixing part and the plurality of steel plate parts to each other; and a coil part provided on the circumference of the pair of connecting frames. The upper frames and the lower frames include limiting members configured to be extended downward from upper ends of the upper insertion grooves and the lower insertion grooves, and bent in the inward direction of the ″U″ shape to limit the depth of insertion of the connecting frames. According to the present invention, a first body part, a second body part, and the steel plate parts are configured in a separable type, thereby being manufactured and used on a site to which it impossible to convey the finished product.

Description

Transformer {ELECTRIC TRANSFORMER}

The present invention relates to a transformer.

More particularly, the present invention relates to a transformer configured to be manufactured and used in a field where a fixed part and a steel plate part are configured as a separate type and thus can not be transported as a finished product.

Generally, a high voltage transformer for electric power is formed in a power system, and receives a voltage from a power plant and plays an important role in transmitting power to a customer through a boost and a depressurization.

These transformers must be firmly installed and maintained without shaking for stable operation. Especially, since the earthquake is frequently occurred in recent years and the stability of the transformer is important, resistance against the force generated by the external environment is also important.

One of the related techniques disclosed in the Utility Model No. 20-2015-0003528 discloses a mold transformer support structure.

1 is a view showing a conventional mold transformer support structure. 1 is a perspective view of a mold transformer supporting structure according to an embodiment of the present invention; FIG. 2 is a perspective view of a mold transformer supporting structure according to an embodiment of the present invention; FIG.

Specifically, the conventional mold transformer support structure includes a pair of bed frames 10 placed on a ground; A lower frame 20 installed above the bed frame 10; An upper frame 30 installed on the upper portion of the mold transformer coil 60 installed on the lower frame 20 in the same direction as the lower frame 20; A pair of crossbars (40) installed on the upper frame (30) in the same direction as the bed frame (10); And a strut 50 connected from one end of the crossbar 40 to one end of the bed frame 10.

However, in the above-mentioned prior art, it is necessary to disassemble all structures in a site where a large structure is difficult to enter, and then to manufacture them after entry.

Open Utility Model Publication No. 20-2015-0003528 (May 25, 2015). Registration Utility Model Bulletin No. 20-0429208 (October 12, 2006) Registration Utility Model Bulletin No. 20-0428263 (September 29, 2006)

SUMMARY OF THE INVENTION The present invention has been made in order to solve the above problems, and it is an object of the present invention to provide a method of manufacturing a semiconductor device, in which a first main body, a second main body, And to provide a transformer which is configured to be able to be used.

According to an aspect of the present invention, there is provided a transformer comprising: a pair of upper frames each having a cross-section formed in a 'C' shape and having one or a plurality of upper insertion grooves; A pair of lower frames formed in the upper insertion groove and having one or a plurality of lower insertion slots corresponding to the upper insertion slots, and a pair of connection frames inserted into the upper insertion slot at one end and inserted into the lower insertion slot at the other end, ; One or a plurality of steel plate portions disposed between the pair of upper frames, between the pair of lower frames and between the pair of connection frames, and connected to each other; An engaging portion for engaging the fixed portion and the plurality of steel plate portions with each other; And a nose portion provided around the pair of connection frames, wherein the upper frame and the lower frame extend downward from an upper end of the upper insertion groove, and extend in a downward direction from a lower end of the lower insertion groove And a restricting member configured to be bent and bent in an inner direction of the 'C' shape so as to limit an insertion depth of the connection frame.

The upper frame and the lower frame are screwed into the adjustment groove, and a distal end thereof is in contact with the connection frame, and the restriction member is connected to the connection frame, And an adjusting screw for adjusting the interval.

The upper frame and the lower frame may include a center beam in contact with the steel plate portion, an upper beam extending in one direction from the upper end of the center beam, and a lower beam extending in one direction from the lower end of the center beam, And the upper frame includes hooks extending from one end of the upper beam toward the vertical direction and having hooking grooves formed therein.

In addition, the hook portion is formed by cutting a part of the upper beam and bending in the vertical direction.

In addition, the hooking portion is formed between the plurality of upper insertion grooves when the upper insertion groove is composed of a plurality of.

In addition, the connection frame includes hooking grooves formed on both sides of the connection frame, and the upper frame and the lower frame include hooking protrusions formed corresponding to the hooking grooves.

The lower beam may be formed with one or more cut grooves to reduce the load of the lower beam.

In addition, when the steel plate portion is composed of a plurality of steel plate portions, the main steel plate having the thickest thickness among the plurality of steel plate portions and being made thinner gradually as being farther from the main steel plate, And a plurality of auxiliary steel plates provided to be symmetrical with respect to the other surface direction.

According to the transformer of one embodiment of the present invention, since the first main body, the second main body, and the steel plate are separated from each other, the transformer can be manufactured and used in a field where the finished product can not be transported.

According to the present invention, since the limiting member formed in the upper insertion groove and the lower insertion groove restricts the insertion depth of the connection frame and the adjustment member adjusts the gap between the restriction member and the connection frame, And one end line of the lower frame and one end line of the connection frame contacting the steel plate portion are aligned with each other.

1 shows a conventional mold transformer support structure.
Figures 2a to 2c show a transformer according to the invention.
3A and 3B are views showing a fixing portion of a transformer according to the present invention.
4A to 4C are views showing a steel plate portion of a transformer according to the present invention.
5A to 5D are views showing an adjusting screw of a transformer according to the present invention.
6A to 6C are views showing a state in which a release preventing portion is provided on an adjusting screw of a transformer according to the present invention.
7A to 7C are views showing a hanger portion of the transformer according to the present invention.

While the invention is susceptible to various modifications and alternative forms, specific embodiments thereof are shown by way of example in the drawings and will herein be described in detail. It is to be understood, however, that the invention is not to be limited to the specific embodiments, but includes all modifications, equivalents, and alternatives falling within the spirit and scope of the invention.

It is to be understood that when an element is referred to as being "connected" or "connected" to another element, it may be directly connected or connected to the other element, .

On the other hand, when an element is referred to as being "directly connected" or "directly connected" to another element, it should be understood that there are no other elements in between.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In the present application, the term "comprises" or "having ", etc. is intended to specify the presence of stated features, integers, steps, operations, elements, parts, or combinations thereof, And does not preclude the presence or addition of one or more other features, integers, integers, steps, operations, elements, components, or combinations thereof.

Unless otherwise defined, all terms used herein, including technical or scientific terms, have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Terms such as those defined in commonly used dictionaries are to be interpreted as having a meaning consistent with the meaning in the context of the relevant art and are to be construed as ideal or overly formal in meaning unless explicitly defined in the present application Do not.

Hereinafter, the present invention will be described in more detail with reference to the accompanying drawings. Prior to this, terms and words used in the present specification and claims should not be construed as limited to ordinary or dictionary terms, and the inventor should appropriately interpret the concept of the term appropriately in order to describe its own invention in the best way. The present invention should be construed in accordance with the meaning and concept consistent with the technical idea of the present invention. Further, it is to be understood that, unless otherwise defined, technical terms and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. Descriptions of known functions and configurations that may be unnecessarily blurred are omitted. The following drawings are provided by way of example so that those skilled in the art can fully understand the spirit of the present invention. Therefore, the present invention is not limited to the following drawings, but may be embodied in other forms. In addition, like reference numerals designate like elements throughout the specification. It is to be noted that the same elements among the drawings are denoted by the same reference numerals whenever possible.

The present invention relates to a transformer which is constructed so that the fixed part and the steel plate part can be manufactured in a field where the part can not be transported as a finished product.

Hereinafter, a transformer according to the present invention will be described in detail with reference to the accompanying drawings.

FIGS. 2A to 2C are views showing a transformer according to an embodiment of the present invention, FIGS. 3A and 3B are views showing a fixing part of a transformer according to an embodiment of the present invention, 1 is a view showing a steel plate portion of a transformer according to an embodiment of the present invention.

2A to 4C, the transformer according to the present invention is largely composed of four components, which are a fixing portion 100, a steel plate portion 200, a coupling portion 300, and a coil portion 400.

Since the three-phase transformer is illustrated in the present invention, a structure in which the three coil units 400 are arranged in a row will be described as an example.

The fixing part 100 includes a pair of upper frames 110 formed in a 'C' shape in cross section and having one or a plurality of upper insertion grooves 111, A pair of lower frames 120 having one or more lower insertion slots 121 corresponding to the upper insertion slots 111 and one end of the lower frames 120 are inserted into the upper insertion slots 111, And a pair of connection frames 130 which are inserted into the connection frame 121.

The upper frame 110, the lower frame 120, and the connection frame 130 are formed as a pair, and are arranged in a direction symmetrical to each other. The steel plate part 200 to be described later is disposed between the pair of upper frames 110, the pair of lower frames 120 and the pair of connection frames 130, As shown in FIG.

That is, the upper insertion groove 111 may be formed in a lower direction in which the lower frame 120 is provided, and the lower insertion groove 121 may be formed in an upper direction in which the upper frame 110 is provided. have.

The upper frame 110 and the lower frame 120 may include a center beam 112 contacting the steel plate 200 and an upper beam 113 extending in one direction from the upper end of the center beam 112 And a lower beam 114 extending in one direction at a lower end of the center beam 112 and corresponding to the upper beam 113, to form a 'C' shape.

The connecting frame 130 may include hooking grooves 131 formed at both upper and lower sides of the connecting frame 130. The upper frame 110 and the lower frame 120 may have hooking grooves 131 And a latching protrusion 116 formed to correspond to the protrusion.

That is, the latching groove 131 and the latching protrusion 116 are formed such that the connection frame 130 is inserted into the upper insertion groove 111 of the upper frame 110 and the lower insertion groove 121 of the lower frame 120, It is possible to prevent the connection frame 130 from moving in the vertical direction in a state where the connection frame 130 is inserted, thereby preventing minute vibration from occurring in the fixing portion 100.

At this time, the latching groove 131 and the latching protrusion 116 may be formed in various shapes such as a polygonal shape and a circular shape, and the shape thereof may be modified according to the execution environment.

The lower beam 114 may be formed with one or a plurality of cutting grooves 114a for reducing the load of the lower beam 114 and allowing the wind to pass therethrough.

The cutting groove 114a serves to reduce the load of the lower beam 114 and to dissipate heat generated in the transformer by allowing the wind to pass through the cut groove 114a. May be formed at a position corresponding to the position of the insertion groove 121 or may be formed between the plurality of the upper insertion grooves 111 and the plurality of the lower insertion grooves 121. [

The upper frame 110 and the lower frame 120 extend downward from the upper end of the upper insertion groove 111 and extend upward from the lower end of the lower insertion groove 121, And a restricting member 500 configured to be bent in a U-shaped inner direction to limit the insertion depth of the connection frame 130.

That is, the upper insertion groove 111 is formed in a part of the center beam 112 and a part of the lower beam 114 to communicate with each other, and the lower insertion groove 121 is formed in a part of the upper beam 113 And the connection frame 130 is formed in a part of the center beam 112 and communicates with the center beam 112. The connection frame 130 is formed in a direction of symmetry of the upper beam 113 and the lower beam 114 with respect to the center beam 112, So that the degree of insertion is limited by the limiting member 500 that is bent in the inner direction of the 'D' shape.

The steel plate part 200 is disposed between the pair of upper frames 110, between the pair of lower frames 120 and between the pair of connection frames 130, .

The steel plate part 200 includes an upper steel plate 230 provided between the pair of upper frames 110, a lower steel plate 240 provided between the pair of lower frames 120, And a connecting steel plate 250 provided between the upper and lower steel plates 230 and 240. The connecting steel plate 250 may be one or a plurality of connecting steel plates.

In this case, when the steel plate part 200 is composed of a plurality of steel plate parts 200, the main steel plate 210 having the largest thickness among the plurality of steel plate parts 200 and disposed at the center, And a plurality of auxiliary steel plates 220 configured to be thinner and symmetric with respect to the one surface direction and the other surface direction of the main steel sheet 210, respectively.

That is, a plurality of steel plate parts 200 may be stacked between the pair of fixed parts 100, and the steel plate part 200 may be provided on the upper steel plate 100 230, a lower steel plate 240, and a connecting steel plate 250.

The steel sheet part 200 may be made of a silicon steel plate and the silicon steel sheet is produced by rolling the iron (Fe) to which 5% or less of silicon (Si) is added, It is possible to use it as a low-frequency magnetic core for relays and the like, not only for power devices but also for electronic devices.

The first connection part 231 formed on the upper steel plate 230 and the second connection part 251 formed on the connection steel plate 250 are formed to correspond to each other, The first connection part 252 and the fourth connection part 241 formed on the lower steel plate 240 may be formed to correspond to each other and be engaged with each other.

That is, the upper steel plate 230, the connecting steel plate 250, and the lower steel plate 240 are configured to be engaged with each other instead of being coupled to each other.

In this case, the first connection part 231 may be inclined toward the inner side of the upper steel plate 230 gradually from the upper part to the lower part when formed on the outer side of the upper steel plate 230, It may be formed so as to be gradually inclined upward from the outer side of the connection portion toward the center direction.

The coupling portion 300 connects the fixing portion 100 and the plurality of steel plate portions 200 to each other.

A plurality of coupling grooves 310 may be formed at positions corresponding to the fixing portion 100 and the steel plate portion 200. The coupling portion 300 may be inserted into the coupling groove 310, If the configuration of the coupling portion 300 is such that the fixing portion 100 and the steel plate portion 200 can be engaged with each other, Or the like.

The coil part 400 is provided around the pair of connection frames 130.

The coil part 400 may be provided on the pair of the lower frame 120 and the lower steel plate 240 and may be supported by the pair of the lower frame 120 and the lower steel plate 240 , And may be spaced apart from each other by the same interval as each other.

FIGS. 5A to 5D are views showing an adjusting screw of a transformer according to the present invention, and FIGS. 6A to 6C are views showing a state where an unlocking portion is provided on an adjusting screw of a transformer according to the present invention.

5A to 6C, the limiting member 500 of the present invention may be provided with an adjusting groove 510 in a direction facing the connecting frame 130, The lower frame 120 is provided with an adjusting screw 520 which is screwed into the adjusting groove 510 to adjust the distance between the limiting member 500 and the connecting frame 130 while the terminal is in contact with the connecting frame 130, May be included.

That is, the end of the adjusting screw 520 is in contact with the upper frame 110 and the lower frame 120 in a state where the adjusting screw 520 is screwed into the adjusting groove 510, The gap between the limiting member 500 and the connection frame 130 can be adjusted according to the degree of coupling to the groove 510.

An end line of one side of the upper frame 110 and the lower frame 120 in contact with the steel plate part 200 and an end line of one side of the connection frame 130 contacting the steel plate part 200 And even if the thickness of the connection frame 130 coupled between the upper frame 110 and the lower frame 120 of the present invention is not constant, Lt; / RTI >

The shape of the adjusting screw 520 can be changed as long as the gap between the limiting member 500 and the connecting frame 130 can be adjusted by a simple operation such as a screw coupling. May be disposed inside the 'C' shape of the fixing part 100 so as not to be involved in the operation of the transformer according to the present invention.

The adjusting screw 520 may be formed in a circular shape so as to be in contact with the connection frame 130. The shape of the adjusting screw 520 may be such that the adjusting screw 520 is inclined The distance between the limiting member 500 and the connection frame 130 can be adjusted by contacting the connection frame 130 easily.

The upper frame 110 and the lower frame 120 of the present invention are provided with an adjusting screw 520 and a limiting member 500 to prevent the adjusting screw 520 from being loosened, (530) may be further included.

The unlocking portion 530 may be formed in the form of a coil spring or a disc spring. One side of the unlocking portion 530 is supported inside the screw head 521 of the adjusting screw 520, The adjustment screw 520 is rotated by the frictional force of the release preventing portion 530 when the user does not forcibly rotate the adjusting screw 520. [ Is not easily loosened.

7A to 7C are views showing a hanger portion of the transformer according to the present invention.

7A through 7C, the upper frame 110 of the present invention may include a hook portion 115 extending from one end of the upper beam 113 in the vertical direction and having a hook groove 115a formed therein have.

The hooking part 115 is for moving the transformer to a desired position in a state where the transformer of the present invention is assembled after entering the site, and may be configured to be connected to a separate crane by a cable.

In addition, the hooking part 115 may be formed by cutting a part of the upper beam 113 and bending it in the vertical direction.

That is, the hooking part 115 is formed such that a part of the upper beam 113 is cut and bent in the vertical direction, and the middle beam 112 is formed to be extended. In other words, A portion of the upper beam 113 except for a portion connected to the center beam 112 is partially cut and connected to the center beam 112 is bent upward.

When the hooking part 115 is constituted by cutting the upper beam 113, it is not necessary to take a separate member for forming the hooking part 115, and a separate member may be provided on the upper part of the upper beam 113 There is an effect that the transformer of the present invention can be supported more robustly when connected by a method such as welding.

The hooking part 115 may be formed between the plurality of upper insertion grooves 111 when the upper insertion grooves 111 are composed of a plurality of.

That is, when the upper beam 113 is partially cut and bent in the vertical direction, the hooks 115 may be formed in the plurality of upper insertion grooves 111 to maintain the rigidity of the upper beam 113, As shown in Fig.

In other words, since the transformer of the present invention describes a three-phase transformer as an example, the upper insertion groove 111 formed in the upper beam 113 can be formed in three, and the three upper insertion grooves 111 The hook 115 may be formed of two pieces.

According to the present invention, since the first main body, the second main body, and the steel plate are separated from each other, it is possible to manufacture and use the finished product in a field where transportation is impossible.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed embodiments, but, on the contrary, It can be seen that branch substitution, modification and modification are possible.

100:
110: upper frame 111: upper insertion groove
112: center beam 113: upper beam
114: lower beam 114a: cutting groove
115: hook portion 115a: hook groove
116:
120: lower frame 121: lower insertion groove
130: connecting frame 131: latching groove
200: steel plate part 210: main steel plate
220: auxiliary steel plate 230: upper steel plate
240: bottom steel plate 250: connecting steel plate
300: engaging portion 310: engaging groove
400: coil part
500: limiting member 510: adjusting groove
520: adjusting screw 530:

Claims (9)

A pair of upper frames 110 formed in a 'C' shape in cross section and having one or a plurality of upper insertion grooves 111, A pair of lower frames 120 in which corresponding one or more lower insertion grooves 121 are formed and a pair of one end inserted into the upper insertion groove 111 and the other end inserted into the lower insertion groove 121 (100) comprising a connection frame (130);
One or a plurality of steel plate parts 200 disposed between the pair of upper frames 110, between the pair of lower frames 120 and between the pair of connection frames 130, and connected to each other;
A coupling part 300 coupling the fixing part 100 and the plurality of steel plate parts 200 together; And
A coil part 400 provided around the pair of connection frames 130;
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In the upper frame 110 and the lower frame 120,
A lower end of the upper insertion groove 111 is formed to extend downward from an upper end of the upper insertion groove 111 and is extended upward from a lower end of the lower insertion groove 121, 130) is configured to limit the insertion depth of the transformer (500).
The method according to claim 1,
In the limiting member 500, an adjusting groove 510 is formed in a direction facing the connecting frame 130,
In the upper frame 110 and the lower frame 120,
And an adjustment screw 520 screwed to the adjustment groove 510 to adjust the gap between the limiting member 500 and the connection frame 130 while the distal end thereof is in contact with the connection frame 130. [ Transformer.
3. The method of claim 2,
The adjusting screw (520)
Wherein a shape of a portion contacting the connection frame (130) is formed in a circular shape.
The method according to claim 1,
The upper frame 110 and the lower frame 120,
An upper beam 113 extending in one direction from the upper end of the center beam 112 and a lower beam 113 extending in the one direction from the lower end of the center beam 112, And a lower beam 114 corresponding to the upper beam 113 to form a '
In the upper frame 110,
And a hook part (115) extending from one end of the upper beam (113) in the vertical direction and having a hooking groove (115a).
5. The method of claim 4,
The hooking part 115,
Wherein a part of the upper beam (113) is cut and bent in a direction of a vertical direction.
5. The method of claim 4,
The hooking part 115,
Wherein the plurality of upper insertion grooves (111) are formed between the plurality of upper insertion grooves (111).
5. The method of claim 4,
The connection frame 130 includes hooking grooves 131 formed on upper and lower sides of the connection frame 130,
Wherein the upper frame (110) and the lower frame (120) are provided with locking protrusions (116) corresponding to the locking recesses (131).
5. The method of claim 4,
In the lower beam 114,
Wherein one or more cutting grooves (114a) are formed to reduce the load of the lower beam (114).
The method according to claim 1,
The steel plate part (200)
The main steel plate 210 having the greatest thickness among the plurality of steel plate parts 200 and disposed at the center and the thickness of the main steel plate 210 being gradually thinner as the distance from the main steel plate 210 is increased, And a plurality of auxiliary steel plates (220) arranged to be symmetrical with respect to the one surface direction and the other surface direction of the transformer (210), respectively.

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