KR20140119865A - Transformer - Google Patents

Abstract

The present invention relates to a transformer capable of securing a safe distance. The transformer comprises: a base portion in which an inner coil is wound; a mounting unit formed in one side or both sides of the base portion in a uneven shape; and a connection pin connected to the mounting unit. The transformer, according to the present invention, can secure a safety distance by acquiring a wide gap between the connection pins without changing the external dimensions of a product.

Description

Transformer {TRANSFORMER}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a transformer, and more particularly, to a transformer capable of securing a safety distance by ensuring a wide gap between connecting pin portions without changing the external dimensions of the product.

Generally, a transformer is a component that converts electricity into a voltage required by various electric products.

Such a transforming apparatus can be classified into a transforming apparatus used for high-speed switching and a transforming apparatus used for low-frequency band for industrial use.

On both sides of the transformer, a connection pin for moving electricity is provided, and electricity is input or output through the connection pin.

BACKGROUND ART [0002] The background art of the present invention is disclosed in Korean Patent Laid-Open Publication No. 2008-0031481 (published on Apr. 08, 2008, entitled " Transformer Manufacturing Method and Transformer).

If the distance between the connecting pin portions is widened in order to avoid electrical interference, the external dimension of the product increases and interference phenomenon occurs in other parts. Therefore, there is a need to improve this.

It is an object of the present invention to provide a transformer capable of securing a safety distance by securing a wide gap between connecting pin portions without changing the external dimensions of the product.

The transforming apparatus according to the present invention includes: a base portion in which an inner coil is wound; and a connection pin portion connected to a mounting portion and a mounting portion formed in a concavo-convex shape on one side or both sides of the base portion.

The base portion may include a base panel connected to the mounting portion and having a hollow inside, and a support portion protruding upward from the base panel to surround the inner coil and having an inner through hole communicating with the hollow inside.

It is preferable that the mounting portion includes a convex portion projecting laterally of the base portion and a concave portion formed in succession to the convex portion and forming a groove to be drawn inward of the base portion.

It is preferable that the convex portion and the concave portion are alternately arranged.

It is preferable that the connecting pin portion includes a first pin member connected to the convex portion and a second pin member connected to the concave portion.

Further, it is preferable that the first pin member and the second pin member are formed in a "? &Quot; shape.

And the protruding length of the second fin member is longer than the protruding length of the first fin member.

It is also preferable that the portion bent downward from the first pin member and the portion bent downward from the second pin member are provided in parallel in a line.

It is preferable that the present invention further includes a bobbin portion which is fixed to the base panel in a shape to enclose the support portion and the inner coil, and on the outer side, the primary coil and the secondary coil are separated from each other.

The bobbin portion includes a first panel provided in contact with the base panel and having a first bobbin on which a winding of a primary coil is formed, and a second bobbin connected to the first bobbin and having a winding of a secondary coil A cover member which is connected to the second bobbin and has a first engagement protrusion which is engaged with the primary coil and the secondary coil on the side and a cover member which is extended from the first panel and is connected to the cover member, And an inner member which forms a space in which the inner space is located.

It is preferable that the second panel has a second locking protrusion on the side of which the primary coil and the secondary coil are engaged.

Further, the present invention is characterized in that a first core member having a first protrusion which is drawn into the inside of the support portion and a second protrusion which is installed in a shape facing the first core member with the bobbin portion interposed therebetween, It is preferable to include the second core member.

It is also preferable that the present invention further includes an insulating plate which is disposed on both sides of the bobbin portion where the primary coil and the secondary coil are exposed and which is formed of an insulating material.

Since the first pin member is provided on the convex portion and the second pin member is provided on the crumb portion so as to form a zigzag shape, the interval between the connecting pin portions can be ensured widely without changing the external dimensions of the product A safety distance can be secured.

1 is an exploded perspective view schematically showing a transforming apparatus according to an embodiment of the present invention.
2 is a perspective view schematically showing a configuration of a substantial part of a transformer according to an embodiment of the present invention.
3 is a cross-sectional view schematically illustrating a state in which a primary coil and a secondary coil are wound around a bobbin according to an embodiment of the present invention.
4 is a perspective view showing a bottom surface of a bobbin portion according to an embodiment of the present invention.
5 is a perspective view illustrating a bottom surface of a base according to an embodiment of the present invention.
6 is a plan view of a transformer according to an embodiment of the present invention.
7 is a bottom view of a transformer according to an embodiment of the present invention.
8 is a bottom perspective view schematically showing a configuration of a substantial part of a transformer according to an embodiment of the present invention.

Hereinafter, an embodiment of a transformer according to the present invention will be described with reference to the accompanying drawings. In this process, the thicknesses of the lines and the sizes of the components shown in the drawings may be exaggerated for clarity and convenience of explanation. In addition, the terms described below are defined in consideration of the functions of the present invention, which may vary depending on the intention or custom of the user, the operator. Therefore, definitions of these terms should be made based on the contents throughout this specification.

FIG. 1 is a perspective exploded view schematically showing a transformer according to an embodiment of the present invention, FIG. 2 is a perspective view schematically showing a configuration of a substantial part of a transformer according to an embodiment of the present invention, FIG. 4 is a perspective view illustrating a bottom surface of a bobbin portion according to an embodiment of the present invention. FIG. 4 is a perspective view illustrating a bottom surface of a bobbin portion according to an embodiment of the present invention. 5 is a perspective view showing a bottom surface of a base according to an embodiment of the present invention, FIG. 6 is a plan view of a transformer according to an embodiment of the present invention, and FIG. 7 is a perspective view of a transformer according to an embodiment of the present invention. And FIG. 8 is a bottom perspective view schematically showing a configuration of a substantial part of a transforming device according to an embodiment of the present invention.

1 to 5, a transformer 1 according to an embodiment of the present invention includes a base portion 10 on which an inner coil 15 is wound, a base portion 10 on one side or both sides of the base portion 10 And a connection pin portion 30 connected to the mounting portion 20. The connection pin portion 30 is connected to the mounting portion 20,

The base portion 10 includes a base panel 12 and a support portion 17, and a mounting portion 20 formed in a concave-convex shape is located on one side or both sides.

A fixing pin portion 40 is connected to the other side of the base panel 12 as viewed in FIG. 1 and a mounting portion 20 is disposed on one side of the base panel 12 (right side in FIG. 1) The connecting pin portion 30 is connected.

One side of the base panel 12 formed in a plate shape is connected to the mounting portion 20 and the hollow 13 is provided inside the base panel 12.

The inner coil 15 is wound around the outer periphery of the support portion 17 protruding above the base panel 12 (hereinafter referred to as reference 1).

An inner through hole 18 communicating with the hollow 13 of the base panel 12 is provided inside the support portion 17.

The mounting portion 20 is formed at one side or both sides of the base portion 10 in a concavo-convex shape. When the mounting portion 20 is connected to only one side of the base portion 10, the fixing pin portion 40 having a shape bent in a "? &Quot; shape is connected to the other side of the base portion 10.

The mounting portion 20 connected to one side of the base portion 10 includes a convex portion 22 protruding in the lateral direction of the base portion 10 and a convex portion 22 extending from the convex portion 22 to the inside of the base portion 10 And a concave portion (24) forming a groove to be introduced.

Since the convex portion 22 and the concave portion 24 are alternately installed, the distance between the connecting pin portions 30 connected to the mounting portion 20 increases.

The convex portion 22 extending in the lateral direction of the base panel 12 is located on the upper side of the connecting pin portion 30. [ The connecting pin portion 30 is connected to the convex portion 22 and the concave portion 24, respectively.

The connecting pin portion 30 according to one embodiment includes a first pin member 32 connected to the convex portion 22 and a second pin member 34 connected to the concave portion 24.

The first pin member 32 and the second pin member 34 are formed in a letter shape and bent downward from the first pin member 32 and downward from the second pin member 34, Since the chamfered portions are arranged in parallel in a line, the operation of coupling the connecting pin portions 30 to other members can be facilitated.

The connecting portion of the first pin member 32 connected to the convex portion 22 protrudes forward (reference right side in FIG. 1) than the connecting portion of the second pin member 34 connected to the concave portion 24. The connection between the first pin member 32 and the second pin member 34 connected to the mounting portion 20 is provided in a zigzag shape so that the distance between the first pin member 32 and the second pin member 34 And the electric interference phenomenon can be reduced.

The electricity generated by the transformer 1 is output to the outside via the connection pin unit 30. Since the connection pin units 30 are installed in a zigzag shape so as to be shifted from each other, can do.

In order for the bent portions of the first pin member 32 and the second pin member 34 to be arranged in a line with each other, the projecting length of the first pin member 32 is larger than the protruding length of the second pin member 34 The length is formed to be long.

The fixing pin portions 40 located on the opposite side of the connecting pin portion 30 are installed in the same shape along the base panel 12.

The bobbin portion 50 located on the upper side of the base portion 10 is fixed to the base panel 12 in such a shape as to enclose the support portion 17 and the inner coil 15 and has primary coils 54 and 2 And the coil coils 58 are separated from each other.

The bobbin portion 50 according to one embodiment includes a first panel 52, a second panel 56, a cover member 60 and an inner member 66.

The first panel 52 installed in contact with the upper surface of the base panel 12 is formed in a plate shape and the first bobbin 53 protrudes above the first panel 52.

A primary coil 54 is wound on the outer side of the first bobbin 53 and a second panel 56 is connected to the upper side of the first bobbin 53.

The secondary coil 58 is wound on the outer side of the second bobbin 57 projecting upward from the second panel 56. The primary coil 54 and the secondary coil 58 are wound on the first bobbin 53 and the second bobbin 57, respectively, while being separated from each other.

The cover member 60 is connected to the upper side of the second bobbin 57 and the inner hole 64 formed in the inner side of the cover member 60 communicates with the first panel 52.

The cover member 60 is provided with a first locking protrusion 62 in which the primary coil 54 and the secondary coil 58 are engaged. The first locking protrusion 62 protrudes toward the lateral direction of the cover member 60 and therefore the primary coil 54 or the secondary coil 54 is interposed between the first locking protrusion 62 and the adjacent first locking protrusion 62. [ After the coil 58 is caught, it is connected to the connecting pin portion 30.

One side of the first locking projection 62 is connected to the cover member 60 and the other side of the first locking projection 62 is extended toward the upper side do.

The primary coil 54 wound on the first bobbin 53 and the secondary coil 58 wound on the second bobbin 57 are separated from each other so as not to contact with each other, So that the primary coil 54 and the secondary coil 58 are connected to the different connecting pin portions 30.

A second locking protrusion 59 is also provided on the side of the second panel 56 so that the primary coil 54 and the secondary coil 58 are engaged. The second protruding protrusion 59 according to the embodiment repeats protruded portions and concave portions and the thickness of the second protruding protrusion 59 and the thickness of the second panel 56 are the same.

A part of the primary coil 54 and the secondary coil 58 is caught by the first engaging projection 62 and then connected to the connecting pin portion 30. The remaining primary coil 54 and the secondary coil 58 And is connected to the connection pin unit 30 after being caught by the second locking projection 59. [

A third locking protrusion 55 having a concave and convex shape is also provided on the side of the first panel 52 and the primary coil 54 and the secondary coil 58 can be engaged with the third locking protrusion 55 have.

Since the first locking protrusions 62, the second locking protrusions 59 and the third locking protrusions 55 are provided on the side of the bobbin portion 50, the primary coil 54 wound on the outside of the bobbin portion 50 And the secondary coil 58 can be safely connected to the connecting pin portion 30 without contacting each other.

An inner member 66 forming a space in which the support portion 17 and the inner coil 15 are located inside is connected to the cover member 60 by extending from the first panel 52.

The inner member 66 forming the space inside the bobbin portion 50 is located inside the first bobbin 53 and the second bobbin 57 and the upper side of the inner member 66 is covered with the cover member 60. [ And is communicated with the inner hole (64).

The primary coil 54 is wound on the outer side of the first bobbin 53 and the secondary coil 58 is wound on the outer side of the second bobbin 57 so that the primary coil 54 and the secondary coil 58 Are separately wound at different points.

When the primary coil 54 and the secondary coil 58 are connected to the first pin member 32 and the second pin member 34 of the connection pin unit 30, A second locking protrusion 59 formed on the locking protrusion 62 and the second panel 56 and a third locking protrusion 55 formed on the first panel 52 are provided with a primary coil 54 and a secondary coil 58 are separated from each other so that a short circuit between the primary coil 54 and the secondary coil 58 can be prevented.

Further, since the primary coil 54 and the secondary coil 58 are located in different regions, the voltage characteristics are improved and the generation of electromagnetic waves is suppressed. When an additional voltage is required for the product to which the transformer 1 is connected, an auxiliary voltage can be input to the secondary coil 58, so that stable voltage supply is possible.

The first core member 70 is positioned below the bobbin portion 50 and the second core member 75 is positioned above the bobbin portion 50 as shown in FIGS. 1 and 5 to 8, do.

The first core member 70 and the second core member 75 are formed of ferrite and the first core member 70 and the second core member 75 are used as the magnetic core of the transformer 1. [

Manganese-zinc based ferrite is used as the material of the low-frequency first core member 70 and the second core member 75 and the material of the high-frequency first core member 70 and the second core member 75 Copper-zinc or nickel-zinc ferrite is used.

The first core member 70 according to one embodiment includes a first core body 71 located at a lower portion of the base panel 12 and installed in the width direction of the base panel 12, And a first side member 73 protruding upward from both sides of the first core body 71 to surround both sides of the bobbin portion 50, .

The first protrusion 72 of the first core member 70 is pulled inward of the support portion 17 to induce electrical transformation.

The second core member 75 installed in a shape facing the first core member 70 with the bobbin portion 50 interposed therebetween is disposed between the second core body 76 and the second projections 77, Member (78).

The second core body (76) faces the first core body (71) and is installed in parallel. The second core body (76) provided in contact with the upper side of the cover member (60) is installed in the width direction of the cover member (60).

The second projection 77 extending downward from the center of the second core body 76 is inserted into the support portion 17 and faces the first projection 72.

The second side members 78 protruding downward from both sides of the second core body 76 and covering both sides of the bobbin portion 50 are also provided so as to face the first side members 73.

The insulating plate 80 located on both sides of the bobbin portion 50 where the primary coil 54 and the secondary coil 58 are exposed is formed of an insulating material and is wound around the primary coil 54 and the secondary coil 58, The first core member 70 and the second core member 75 are prevented from contacting each other.

The insulating plate 80 is positioned inside the first side member 73 of the first core member 70 and the second side member 78 of the second core member 75.

The insulating plate 80 is formed in a plate shape and has an insulating body 82 positioned on the side surface of the bobbin portion 50 and an insulating body 82 extending in the direction toward the bobbin portion 50 from above and below the insulating body 82, And a latching protrusion 84 which is hooked on the upper side and the lower side of the latch 50.

The insulating plate 80 connects the base portion 10 and the bobbin portion 50 so that the primary coil 54 and the secondary coil 58 are connected to the first side member 73 and the second side member 78, So as to improve electrical stability.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an operating state of a transformer 1 according to an embodiment of the present invention will be described in detail with reference to the accompanying drawings.

External power input through the fixing pin section 40 is transmitted to the primary coil 54 and the secondary coil 58. The electricity flowing through the primary coil 54 and the secondary coil 58 is transmitted to the inner coil Is transformed by the first core member (15), the first core member (70), and the second core member (75) and is transmitted to the outside through the connecting pin portion (30).

Since the first pin member 32 is connected to the convex portion 22 of the mounting portion 20 and the second pin member 34 is connected to the concave portion 24, The connecting portion of the second pin member 34 is installed in a zigzag shape when viewed in the horizontal direction.

Therefore, the interval between the first pin member 32 and the second pin member 34 can be secured to be wide without increasing the size of the transformer 1, so that the noise is reduced and the electrical stability is improved.

The primary coil 54 and the secondary coil 58 are separated from each other by a first locking protrusion 62, a second locking protrusion 59 and a third locking protrusion 55 provided in the bobbin portion 50 The connection between the primary coil 54 and the secondary coil 58 can be stably performed and the efficiency of wiring work of the primary coil 54 and the secondary coil 58 can be improved Can be improved.

According to the above-described configuration, in the transforming apparatus 1 according to the embodiment, the first pin member 32 is provided on the convex portion 22 and the second pin member 34 is provided on the crumb portion The distance between the connecting pin portions 30 can be ensured to be wide without securing the dimensions of the product, so that the safety distance can be secured.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims. I will understand.

Accordingly, the true scope of protection of the present invention should be defined by the claims.

1: Transformer 10: Base portion
12: Base panel 13: hollow
15: inner coil 17: support
18: inner through hole 20:
22: convex portion 24: concave portion
30: connecting pin portion 32: first pin member
34: second pin member 40: fixed pin portion
50: bobbin portion 52: first panel
53: first bobbin 54: primary coil
55: third obstacle 56: second panel
57: second bobbin 58: secondary coil
59: second locking projection 60: cover member
62: first locking projection 64: inner hole
66: inner member 70: first core member
71: first core body 72: first projection
73: first side member 75: second core member
76: second core body 77: second projection
78: second side member 80: insulating plate
82: Insulation body 84:

Claims (13)

A base portion on which the inner coil is wound;
A mounting portion formed at one side or both sides of the base portion in a concavo-convex shape; And
And a connection pin portion connected to the mounting portion.
The method according to claim 1,
Wherein the base portion includes: a base panel connected to the mounting portion and having a hollow inside; And
And a support portion protruding upward from the base panel to wind the inner coil around the inner coil and having an inner through hole communicating with the hollow inside.
3. The method according to claim 1 or 2,
The mounting portion includes: a convex portion protruding laterally of the base portion; And
And a concave portion that is connected to the convex portion and forms a groove leading into the inside of the base portion.
The method of claim 3,
Wherein the convex portion and the concave portion are alternately arranged.
5. The method of claim 4,
The connecting pin portion may include: a first pin member connected to the convex portion; And
And a second pin member connected to the concave portion.
6. The method of claim 5,
Wherein the first pin member and the second pin member are formed in a "? &Quot; shape.
The method according to claim 6,
Wherein the protruding length of the second fin member is longer than the protruding length of the first fin member.
The method according to claim 6,
Wherein a portion bent downward from the first fin member and a portion bent downward from the second fin member are provided in parallel in a line.
The method of claim 3,
Further comprising a bobbin portion fixed to the base panel in a shape to surround the support portion and the inner coil and having a primary coil and a secondary coil separated from each other.
10. The method of claim 9,
Wherein the bobbin portion is disposed in contact with the base panel and includes a first bobbin having a first bobbin on which the primary coil is wound;
A second panel connected to the first bobbin and having a second bobbin for winding the secondary coil;
A cover member connected to the second bobbin, the cover member having a first engagement protrusion on the side where the primary coil and the secondary coil are engaged; And
And an inner member extending from the first panel and connected to the cover member, the inner member forming a space in which the support portion and the inner coil are located inside.
11. The method of claim 10,
And a second latching protrusion for latching the primary coil and the secondary coil is provided on the side of the second panel.
11. The method of claim 10,
A first core member having a first projection projecting into the inside of the support portion; And
And a second core member provided in a shape facing the first core member with the bobbin portion interposed therebetween and having a second projection projecting inward of the support portion.
13. The method of claim 12,
Further comprising: an insulating plate disposed on both sides of the bobbin portion to which the primary coil and the secondary coil are exposed, the insulating plate being formed of an insulating material.

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