KR101611886B1 - Center Tap Transformer - Google Patents

Center Tap Transformer Download PDF

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Publication number
KR101611886B1
KR101611886B1 KR1020140156428A KR20140156428A KR101611886B1 KR 101611886 B1 KR101611886 B1 KR 101611886B1 KR 1020140156428 A KR1020140156428 A KR 1020140156428A KR 20140156428 A KR20140156428 A KR 20140156428A KR 101611886 B1 KR101611886 B1 KR 101611886B1
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KR
South Korea
Prior art keywords
winding
core
pair
center tap
transformer
Prior art date
Application number
KR1020140156428A
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Korean (ko)
Inventor
김영우
심용섭
Original Assignee
주식회사 다원시스
심용섭
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Priority to KR1020140156428A priority Critical patent/KR101611886B1/en
Application granted granted Critical
Publication of KR101611886B1 publication Critical patent/KR101611886B1/en

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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/006—Details of transformers or inductances, in general with special arrangement or spacing of turns of the winding(s), e.g. to produce desired self-resonance
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/24—Magnetic cores
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/29—Terminals; Tapping arrangements for signal inductances
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F27/00—Details of transformers or inductances, in general
    • H01F27/28—Coils; Windings; Conductive connections
    • H01F27/32—Insulating of coils, windings, or parts thereof
    • H01F27/324—Insulation between coil and core, between different winding sections, around the coil; Other insulation structures

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Coils Of Transformers For General Uses (AREA)

Abstract

According to one embodiment of the present invention, since the connecting terminals of the center tap and the secondary winding are exposed in opposite directions, the structure for connecting the neutral points is simplified, which is suitable for large capacity devices and can be assembled in units of modules To a center tap transformer that can significantly improve productivity.

Description

Center Tap Transformer < RTI ID = 0.0 >

An embodiment of the present invention relates to a center tap transformer.

The contents described in this section merely provide background information on the embodiment of the present invention and do not constitute the prior art.

8 is a circuit diagram showing the structure of a conventional center tap transformer provided in a large-capacity rectifier. The conventional center tap transformer includes a core 810 and primary windings 822 and 824 wound around the core 810 and secondary windings 832 and 834. [ If the current capacity is not very large, the coil is easily wound, so that the coil winding structure is not a problem. However, in the case of a large current, the cross-sectional area of the coil becomes very large and flexibility is lowered. So that it is difficult to suppress the generation of the leakage magnetic flux.

Particularly, in order to further increase the magnitude of current, when connecting the neutral points of the respective windings in the center tap transformer in which a plurality of secondary windings are installed in parallel, in the conventional center tap transformer, the neutral point is connected to the secondary windings 832 and 834 Terminals are exposed in the same direction and the primary windings 822, 824 and the secondary windings 832, 834 are arranged in parallel, the structure of the transformer becomes more complicated.

The embodiment of the present invention simplifies the structure for connecting the center tap and the connection terminals of the secondary winding in opposite directions to connect the neutral points and is suitable for a large-capacity machine, There is a main purpose in providing a center tap transformer that can be improved.

One embodiment of the present invention relates to a center tap transformer, wherein one end of the center tap transformer is located at one side of the lower side of the transformer and extends from the lower end of the annular core to the upper end of the core, A first winding positioned on the other side of the first winding; A second winding having one end located on the upper side of the core and extending downward from the upper end of the core to the lower end of the core and the other end located on the lower side of the other end; And a center tap connecting the other end of the first winding and the other end of the second winding, wherein one end of the first and second windings and the center tap are located opposite to each other with respect to the core Center tap transformer.

Wherein one end of the first winding is formed to include a first bottom end including a first main body of a rod shape and a pair of first leg portions branched from both sides of the first main body, And a second bottom base including a second main body of the bar-shaped body and a pair of second leg portions branched from both sides of the second main body.

Wherein one of the pair of first legs (hereinafter, referred to as 'first connecting leg') is inserted into a space formed between the pair of second legs, and between the pair of first legs (Hereinafter, referred to as 'second connection leg') is inserted into the space formed in the second leg portion.

Wherein the intermediate portion between one end of the first winding and the other end of the first winding has a first intermediate leg connected to one side of the first connecting leg and being perpendicular to a plane formed by the first lower end base, And the intermediate portion between the one end and the other end of the second winding is connected to one side of the second connection leg portion so that the first intermediate connection portion is positioned in the same direction as the first intermediate connection portion, And a second intermediate connection portion perpendicular to the plane and formed to penetrate the annular shape.

And the other end of the first winding is formed to include a first top cover connected to the other end of the first intermediate connection portion and disposed to be parallel to the plane, and one end of the second winding is connected to the other end And a second top cover that is connected to the first surface and is disposed to be horizontal to the plane.

And the first top cover and the second top cover are located at the same distance from the plane and are arranged so as to be adjacent to each other.

Each of the first intermediate connection portion and the second intermediate connection portion has a semicircular cross-section, and the cross-sectional shapes of the respective cross-sections are arranged in parallel with each other to form a circular shape.

One end of the first winding and one end of the second winding are connected to an anode terminal of a diode, respectively.

The first winding and the second winding are disposed adjacent to each other, and an insulating material is disposed in a space between the adjacent coils.

Wherein the pair of first legs has at least one of a length or a width of each of the pair of first legs different from each other with respect to a longitudinal direction in which the pair of first legs are branched and extended, And the second leg portion is formed such that at least one of the length or the width of each of the pair of second leg portions is different from each other with respect to a longitudinal direction in which the pair of second leg portions are branched and extended.

According to an embodiment of the present invention, since the connection terminals of the center tap and the secondary winding are exposed in mutually opposite directions, the structure for connecting the neutral points is simpler than that of the conventional art, thereby being suitable for a large-capacity device.

Further, since the center tap transformer can be assembled in units of modules, the productivity can be greatly improved.

1 is a perspective view illustrating a center tap transformer according to an embodiment of the present invention, excluding a rectifier diode and a core.
FIG. 2 is a perspective view illustrating a center tap transformer according to an embodiment of the present invention, excluding a rectifier diode. FIG.
3 is a perspective view of a center tap transformer according to an embodiment of the present invention, except for a core.
Fig. 4 is a bottom view seen in the direction A in Fig. 1. Fig.
5 is a rear view as viewed in the direction of B in Fig.
6 is a circuit diagram of a center tap transformer according to an embodiment of the present invention.
FIG. 7 is a conceptual view showing the arrangement of the secondary winding and the core in FIG.
8 is a circuit diagram of a conventional center tap transformer.

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

It should be noted that, in adding reference numerals to the constituent elements of the drawings, the same constituent elements are denoted by the same reference numerals even though they are shown in different drawings. In the following description of the present invention, a detailed description of known functions and configurations incorporated herein will be omitted when it may make the subject matter of the present invention rather unclear.

In describing the components of the present invention, terms such as first, second, A, B, (a), and (b) may be used. These terms are intended to distinguish the constituent elements from other constituent elements, and the terms do not limit the nature, order or order of the constituent elements. When a component is described as being "connected", "coupled", or "connected" to another component, the component may be directly connected to or connected to the other component, It should be understood that an element may be "connected," "coupled," or "connected."

The present embodiment proposes a center tap transformer in which connection terminals of a center tap and a secondary winding are exposed in mutually opposite directions, thereby simplifying the structure and improving productivity. According to an embodiment of the present invention, the connection terminals of the center tap and the secondary winding are exposed in opposite directions to each other without exposing the connection terminals of the neutral point and the secondary winding in the same direction, The center tap transformer is proposed to simplify the structure for connecting the neutral points, which is not only suitable for high-capacity equipment but also can be assembled in modules, thereby greatly improving the productivity.

1 is a perspective view illustrating a center tap transformer 100 according to an embodiment of the present invention except for a rectifier diode 150 and a core 200. FIG 2 is a perspective view illustrating a center tap transformer 100 according to an embodiment of the present invention. FIG. 3 is a perspective view illustrating a center tap transformer 100 according to an embodiment of the present invention, except for a core 200. FIG. 4 is a bottom view seen in direction A in Fig. 1, and Fig. 5 is a rear view in Fig. 1 viewed in a direction B.

Referring to FIGS. 1 to 5 together with a description of the configuration of the center tap transformer 100 according to the present embodiment, the configuration and operation of the center tap transformer 100 according to an embodiment of the present invention will be described in detail I will explain.

The center tap transformer 100 includes a lower base portion 110, an intermediate connection portion 120, a top cover portion 130, a center tap 140, a rectifier diode 150, and a core 200. The core 200 is formed in an annular shape, and the cross section of the annulus may be variously configured including a circle. In describing the construction and operation of the center tap transformer 100 according to the embodiment of the present invention, the content of the primary winding is not directly related to the core contents of the present invention, And a detailed description of the operation will be omitted. The rectifier diode 150 may include, but is not limited to, a diode array in which cathodes of the rectifier diode 150 are connected to each other.

The lower base portion 110 includes a first lower base 112 and a second lower base 114. 4, the first lower base 112 includes a first body 112a having a rod shape and a pair of first legs 112b and 112c branched from both ends of the first body 112a, . The second lower base 114 includes a second body 114a formed in a barrel shape and a pair of second legs 114b and 114c branched from both ends of the second body 114a.

One of the pair of first leg portions 112b and 112c included in the first lower base 112 is included in the second lower base 114 One of the pair of second leg portions 114b and 114c included in the space formed between the pair of second leg portions 114b and 114c and included in the second lower end base 114, Is inserted into a space formed between a pair of first leg portions 112b and 112c included in the first lower-end base 112 to form a first lower-end base 112 and a second lower- 2 bottom base 114 may be combined to form the bottom base 110. [ The center tap transformer 100 according to an embodiment of the present invention includes a lower base portion 110 formed by coupling the first lower base 112 and the second lower base 114, The case where the shape is formed into a square is described as an example, but the present invention is not limited thereto.

The intermediate connection part 120 includes a first intermediate connection part 122 and a second intermediate connection part 124. The first intermediate connection part 122 is connected to one side of one side of the first connection leg part 112b and is formed to penetrate the inside of the annularly formed core 200. [ The second intermediate connection part 124 is connected to one side of one side of the second connection leg part 114b and is formed to penetrate the inside of the annularly formed core 200. The first intermediate connection part 122 and the second intermediate connection part 124 are both formed in a semicircular shape in cross section and the first intermediate connection part 122 and the second intermediate connection part 124 are arranged side by side, But the present invention is not limited thereto and may be formed variously according to the inner shape of the core 200. [

The top cover portion 130 includes a first top cover 132 and a second top cover 134. The first upper cover 132 is connected to the other end of the first intermediate connection part 122 and is disposed so as to be horizontal with respect to a plane formed by the lower base part 110. The second upper cover 134 is connected to the other end of the second intermediate connection part 124 and is disposed so as to be horizontal with respect to the plane formed by the lower base part 110. The first top cover 132 and the second top cover 134 are disposed adjacent to each other in parallel so that the distances from the bottom base portion 110 are equal to each other. The shape of the top cover 130 formed by the first top cover 132 and the second top cover 134 adjacent to each other may be the same as the shape of the bottom base 110, no.

The first and second lower bases 112 and 114 included in the lower base portion 110, the intermediate connection portion 120 and the upper cover portion 130, the first and second intermediate connection portions 122 and 124, And the second top cover (132, 134) are combined with each other to form a secondary side first winding (170) and a second winding (180). 3, the first lower end base 112, the first intermediate connection portion 122, and the first upper end cover 132 include the first winding 170 as the second lower end base 114, 2 intermediate connection 124 and second top cover 134 form a second winding 180, respectively.

More specifically, the first leg portion 112c of the pair of first leg portions 112b and 112c except for the first connecting leg portion 112b starts from the first leg leg portion 112c A first winding 170 connected to the main body 112a, the first connecting leg portion 112b, the first intermediate connecting portion 122 and the first top cover 132 is formed, (Hereinafter referred to as "second outline legs") except for the second connection legs 114b of the first and second connection legs 114b and 114c, The second intermediate connection part 124, and the second top cover 134. The second winding part 170 is connected to the second intermediate connection part 124, Each of the components forming the first winding 170 and the second winding 180 may include at least one of a conductive material including gold, silver, copper, and aluminum. no. The first winding 170 and the second winding 180 may be disposed so as to be in close contact with each other with an insulating material interposed therebetween.

6 is a circuit diagram of a center tap transformer 100 according to an embodiment of the present invention.

Referring together to Fig. 3, 4 and 6, the first outer leg portion (112c), the anode (Anode) terminal of the rectifying diode (150, D 1) which is located at one end of the primary winding 170 is connected . For this, one side of the first outer leg portion 112c may be formed by bending, and a plurality of connection holes may be formed in the bent portion. An anode terminal of the rectifier diode 150 (D 2 ) is connected to the second top cover 134 located at one end of the second winding 180. To this end, one side of the second top cover 134 may be bent, and a plurality of connection holes may be formed in a bent portion. The cathode of the rectifier diode (150, D 1) cathode (Cathode) and a rectifier diode (150, D 2) of the connected to each other form a positive (P) terminal of the rectifying circuit. The first upper cover 132 located at the other end of the first winding 170 and the second outer leg portion 114c located at the other end of the second winding 180 are configured to be connected by the center tap 140 . The center tap 140 is connected to the negative (N) terminal of the rectifier circuit. The center tap 140 may be formed with a plurality of connection holes for connecting to the negative (N) terminals of the rectifying circuit.

FIG. 7 is a view conceptually showing the arrangement of the secondary windings 170 and 180 and the core 200 in FIG.

Referring to FIGS. 3, 6, and 7 together, the first winding 170 formed by the first bottom base 112, the first intermediate connection 122, and the first top cover 132, By arranging the second windings 180 formed by the base 114, the second intermediate connection part 124 and the second top cover 134 so as to cross each other in the inside of the annular core 200, The tabs 140 and the connection terminals of the first and second windings 170 and 180 can be positioned in opposite directions to each other. Accordingly, the structure for connecting the neutral points is simplified, which is advantageous for high-capacity devices.

The center tap transformer 100 according to the present embodiment can be configured to be assembled on a module basis. 2 to 5 together, the first module is assembled with the first bottom base 112, the second top cover 134, and the rectifier diode 150, After assembling the second module with the connecting portion 120, the core 200, the first top cover 132, the second bottom base 114 and the center tap 140, The center tap transformer 100 can be manufactured in the form of a center tap transformer. The molding liquid bracket 160 shown in FIG. 5 is a device for fixing a molding liquid to be injected for fixation and heat dissipation of the core 200 after the center tap transformer 100 is assembled.

While the present invention has been described in connection with what is presently considered to be the most practical and preferred embodiments, it is to be understood that the invention is not limited to the disclosed embodiments. That is, within the scope of the present invention, all of the components may be selectively coupled to one or more of them.

The description above is merely illustrative of the technical idea of the present invention and various changes and modifications may be made by those skilled in the art without departing from the essential characteristics of the present invention. Therefore, the embodiments disclosed in the present invention are intended to illustrate rather than limit the technical spirit of the present invention, and the scope of the technical idea of the present invention is not limited by these embodiments. The scope of protection of the present invention should be construed according to the following claims, and all technical ideas which are within the scope of the same should be interpreted as being included in the scope of the present invention.

100: center tap transformer 200: core
170: first winding 180: second winding
110: lower base portion
112: first bottom base 112a: first main body
112b: first connecting leg portion 112c: first outer leg portion
114: second lower base 114a: second body
114b: second connecting leg portion 114c: second outer leg portion
120: intermediate connection
122: first intermediate connection part 124: second intermediate connection part
130: upper cover part
132: first top cover 134: second top cover
140: Center Tab
150: rectifier diode

Claims (10)

delete In a center tap transformer,
A first winding whose one end is located at one side of the lower side of the transformer and which extends from the lower end of the annular core to the upper end of the core through the annular shape and whose other end is located on the other side of the transformer;
A second winding having one end located on the upper side of the core and extending downward from the upper end of the core to the lower end of the core and the other end located on the lower side of the other end; And
A center tap connecting the other end of the first winding and the other end of the second winding;
/ RTI >
One end of the first winding and the second winding and the center tab are located opposite to each other with respect to the core,
One end of the first winding is formed to include a first bottom base including a first main body of a rod-like body and a pair of first leg portions branched from both sides of the first main body,
And the other end of the second winding is formed to include a second bottom base including a second main body of a rod shape and a pair of second leg portions branched from both sides of the second main body. 3. The method of claim 2,
Wherein the transformer comprises:
Wherein one of the pair of first legs (hereinafter, referred to as 'first connecting leg') is inserted into a space formed between the pair of second legs, and between the pair of first legs Wherein one of the pair of second legs (hereinafter referred to as a second connecting leg) is inserted into a space formed in the center tap transformer. The method of claim 3,
Wherein the intermediate portion between one end of the first winding and the other end of the first winding has a first intermediate leg connected to one side of the first connecting leg and being perpendicular to a plane formed by the first lower end base, And a connection portion,
And an intermediate portion between one end and the other end of the second winding is connected to one end of the second connecting leg portion so as to be positioned in the same direction as the direction in which the first intermediate connecting portion is located, And a second intermediate connection portion formed to penetrate the center tap transformer. 5. The method of claim 4,
The other end of the first winding is formed to include a first top cover connected to the other end of the first intermediate connection portion and disposed to be parallel to the plane,
And one end of the second winding is formed to include a second top cover connected to the other end of the second intermediate connection portion and disposed to be parallel to the plane. 6. The method of claim 5,
Wherein the first top cover and the second top cover are located at the same distance from the plane and are disposed side by side adjacent to each other. 5. The method of claim 4,
Wherein a cross section of each of the first intermediate connection portion and the second intermediate connection portion is formed in a semicircular shape, and the cross-sectional shapes of the respective cross-sections are arranged side by side in the annular shape so as to form a circular shape. Transformer. 3. The method of claim 2,
And one end of the first winding and one end of the second winding are connected to an anode terminal of a diode, respectively. In a center tap transformer,
A first winding whose one end is located at one side of the lower side of the transformer and which extends from the lower end of the annular core to the upper end of the core through the annular shape and whose other end is located on the other side of the transformer;
A second winding having one end located on the upper side of the core and extending downward from the upper end of the core to the lower end of the core and the other end located on the lower side of the other end; And
A center tap connecting the other end of the first winding and the other end of the second winding;
/ RTI >
One end of the first winding and the second winding and the center tab are located opposite to each other with respect to the core,
Wherein the first winding and the second winding are disposed adjacent to each other, and an insulating material is disposed in a space between the first winding and the second winding. 3. The method of claim 2,
Wherein the pair of first legs has at least one of a length or a width of each of the pair of first legs different from each other with respect to a longitudinal direction in which the pair of first legs are branched and extended, And the second leg portion is formed such that at least one of the length or the width of each of the pair of second leg portions is formed different from the longitudinal direction in which the pair of second leg portions are branched and extended. .
KR1020140156428A 2014-11-11 2014-11-11 Center Tap Transformer KR101611886B1 (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102283854B1 (en) * 2021-02-17 2021-07-30 삼형전자(주) Trans Assembly
KR20220003176A (en) * 2020-07-01 2022-01-10 주식회사 테크로스 Center Tap Transformer
KR20230049890A (en) * 2021-10-07 2023-04-14 심용섭 Transformer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029594A1 (en) * 2005-09-08 2007-03-15 Sumida Corporation Coil device, composite coil device and transformer device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2007029594A1 (en) * 2005-09-08 2007-03-15 Sumida Corporation Coil device, composite coil device and transformer device

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20220003176A (en) * 2020-07-01 2022-01-10 주식회사 테크로스 Center Tap Transformer
KR102432631B1 (en) * 2020-07-01 2022-08-16 주식회사 테크로스 Center Tap Transformer
KR102283854B1 (en) * 2021-02-17 2021-07-30 삼형전자(주) Trans Assembly
KR20230049890A (en) * 2021-10-07 2023-04-14 심용섭 Transformer
KR102626237B1 (en) * 2021-10-07 2024-01-16 심용섭 Transformer

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