KR102647780B1 - Transformer - Google Patents

Abstract

A transformer device is disclosed. A transformer device according to an embodiment of the present invention includes a first PCB unit on which a 1-1 coil is wound and a first pin insertion hole is formed at one end, and a 1-2 coil located at a position opposite to the first PCB unit. A second PCB part on which this coil is wound and a second pin insertion hole is formed at one end, and a body part located between the first and second PCB parts and formed to couple the first and second PCB parts and on which the second coil is wound on the outer surface. A bobbin portion including; a first connecting member formed to be inserted into the first and second pin insertion holes so that the 1-1 coil of the first PCB unit and the 1-2 coil of the second PCB unit are connected to each other; A bracket formed to surround the other end of the second PCB unit; and a second connection member formed such that a portion is inserted into one end of the bracket and the other portion protrudes outward.

Description

Transformer {TRANSFORMER}

Embodiments disclosed relate to transformer devices.

A transformer is a device used to increase or decrease alternating current voltage using the principle of mutual induction, and converts the electrical voltage into the voltage required by the relevant electrical product. The above-described transformer device is currently being applied to various types of electronic devices. Meanwhile, as electronic devices become miniaturized, various methods are being studied to miniaturize transformer devices as well.

Republic of Korea Patent Publication No. 10-2008-0031481 (2008. 04. 08.)

The disclosed embodiments are intended to provide a transformer device for a flyback circuit that can be miniaturized.

Additionally, the disclosed embodiments are intended to provide a transformer device that can secure winding space for the secondary coil.

A transformer device according to an embodiment includes a first PCB unit including a 1-1 coil and a first pin insertion hole formed at one end, and a 1-2 coil at a position spaced apart from and facing the first PCB unit. And a second PCB part in which a second pin insertion hole is formed at one end, and a body part located between the first and second PCB parts and formed to couple the first and second PCB parts and having a second coil wound on the outer surface. A bobbin portion including; a first connecting member formed in the first and second pin insertion holes to connect the 1-1 coil of the first PCB unit and the 1-2 coil of the second PCB unit to each other; A bracket coupled to the other end of the second PCB unit; and a second connection member formed on one side of the bracket to protrude outward.

The body portion includes a first fastening member formed to protrude upward from one side, a second fastening member formed to protrude downward from one side, a third fastening member formed to protrude upward from the other side, and a third fastening member formed to protrude downward from the other side. It may include a fourth fastening member.

The first PCB unit is formed with a first core insertion hole penetrating one side and the other side, and a portion of the first and third fastening members are each fastened to contact the inner surface of the first core insertion hole, and the other portion is fastened to the inner surface of the first core insertion hole. 1 It can be fastened to protrude from one side of the PCB section.

The second PCB unit is formed with a second core insertion hole penetrating one side and the other side, and a portion of the second and fourth fastening members are each fastened to contact the inner surface of the second core insertion hole, and the other portion is fastened to the inner surface of the second core insertion hole. 2 It can be fastened to protrude from one side of the PCB section.

The body portion is formed with a third core insertion hole penetrating one side and the other side, and the transformer is formed to be seated on one side of the first PCB portion and a portion is inserted into the first and third core insertion holes. first core; And it may further include a second core that is formed to be seated on one surface of the second PCB unit and a portion of which is inserted into the second and third core insertion holes.

The first core is seated with the first fastening member and the third fastening member so that a preset space is formed with respect to one surface of the first PCB unit, and the second core is seated with the second fastening member and the third fastening member. The fourth fastening member may be seated so that a predetermined space is formed based on one surface of the second PCB unit.

The second and fourth fastening members may be formed to have a length longer in the downward direction than the first and third fastening members.

The bracket may have a PCB coupling groove formed in the inner longitudinal direction from the other side, and may include at least one PCB coupling protrusion formed on each of the upper and lower surfaces of the inner side of the PCB coupling groove.

The second PCB unit has a bracket coupling hole formed on one side and the other surface at a position corresponding to the at least one PCB coupling protrusion, and is inserted into the PCB coupling groove through coupling of the bracket coupling hole and the PCB coupling protrusion. It can be fixed.

The other side of the bracket adjacent to the other side of the second PCB unit may be formed in a curved shape.

The first PCB part, the second PCB part, and the body part of the bobbin part may each be formed in a separable form.

The 1-1 coil and the 1-2 coil are primary coils, and the first and second PCB units each include a winding pattern of the primary coil formed on one side or the primary coil formed on both sides. It may be a printed circuit board that includes a winding pattern of a coil, a winding pattern of the primary coil formed as a single layer, or a winding pattern of the primary coil formed as a multi-layer.

A transformer device according to another embodiment includes: a first PCB portion including a first core insertion hole formed to penetrate one side and the other side of the central portion; a second PCB unit located opposite to and spaced apart from the first PCB unit and including a second core insertion hole formed to penetrate one side and the other side of the central portion; and a bobbin portion located between the first and second PCB portions and formed to couple the first and second PCB portions and consisting of a body portion on which a second coil is wound on an outer surface, wherein the body portion protrudes upward on one side. It includes a first fastening member formed to protrude downward from one side, a second fastening member formed to protrude downward from one side, a third fastening member formed to protrude upward from the other side, and a fourth fastening member formed to protrude downward from the other side.

The first PCB part has a 1-1 coil wound and a first pin insertion hole is formed at one end, and the second PCB part has a 1-2 coil wound and a second pin insertion hole is formed at one end, and the transformer The device includes: a first connecting member formed in the first and second pin insertion holes so that the 1-1 coil of the first PCB unit and the 1-2 coil of the second PCB unit are connected to each other; A bracket coupled to the other end of the second PCB unit; And it may further include a second connection member formed on one side of the bracket to protrude outward.

A portion of the first and third fastening members may be fastened to be in contact with the inner surface of the first core insertion hole, and the other portion may be fastened to protrude from one surface of the first PCB unit.

A portion of the second and fourth fastening members may be fastened to be in contact with the inner surface of the second core insertion hole, and the other portion may be fastened to protrude from one surface of the second PCB unit.

According to the disclosed embodiments, since the first PCB portion and the second PCB portion on which the first coil is wound, and the body portion on which the second coil is wound are combined to perform the bobbin role, the second PCB portion wound on the outer surface of the body portion This means that the coil winding space can be secured flexibly according to design specifications.

In addition, the disclosed embodiments are suitable for a flyback circuit in which the leakage value may be relatively small because the distance between the first coil and the second coil is close, and thus the efficiency increases as the leakage value decreases. You can expect the effect of being able to do it.

Additionally, in the disclosed embodiments, since the other side of the bracket in contact with the second coil drawn out is formed in a curved shape, damage to the second coil can be prevented in advance.

In addition, in the disclosed embodiments, when the core portion is seated on the PCB portion, the fastening member formed on the body portion is positioned to form a separation space based on one surface of the PCB portion, thereby guiding the seating state of the core portion and at the same time preventing damage caused by the fastening member. Cracks in the core can be prevented.

1 is an overall structural diagram of a transformer device according to an embodiment.
Figure 2 is an overall exploded perspective view of a transformer device according to an embodiment
Figure 3 is an exploded perspective view of the bobbin portion according to one embodiment
Figure 4 is a diagram for explaining the winding state of the second coil according to one embodiment
5 and 6 are diagrams for explaining the coupling structure of the second PCB part and the bracket according to one embodiment.
7 is a detailed structural diagram of a bracket according to an embodiment.
Figure 8 is a diagram for explaining the arrangement relationship between the second coil and the bracket according to one embodiment
Figure 9 is an exploded perspective view of a transformer device for explaining a method of coupling the core portion according to an embodiment
10 is a detailed view of a portion of a transformer device according to an embodiment.

Hereinafter, specific embodiments of the present invention will be described with reference to the drawings. The detailed description below is provided to provide a comprehensive understanding of the methods, devices and/or systems described herein. However, this is only an example and the present invention is not limited thereto.

In describing the embodiments of the present invention, if it is determined that a detailed description of the known technology related to the present invention may unnecessarily obscure the gist of the present invention, the detailed description will be omitted. In addition, the terms described below are terms defined in consideration of functions in the present invention, and may vary depending on the intention or custom of the user or operator. Therefore, the definition should be made based on the contents throughout this specification. The terminology used in the detailed description is merely for describing embodiments of the present invention and should in no way be limiting. Unless explicitly stated otherwise, singular forms include plural meanings. In this description, expressions such as “comprising” or “comprising” are intended to indicate certain features, numbers, steps, operations, elements, parts or combinations thereof, and one or more than those described. It should not be construed to exclude the existence or possibility of any other characteristic, number, step, operation, element, or part or combination thereof.

Meanwhile, directional terms such as upper side, lower side, one side, other side, etc. are used in relation to the orientation of the disclosed drawings. Since the components of embodiments of the present invention can be positioned in various orientations, the term directional is used for illustrative purposes and is not limiting.

Additionally, terms such as first and second may be used to describe various components, but the components should not be limited by the terms. The above terms may be used for the purpose of distinguishing one component from another component. For example, a first component may be referred to as a second component, and similarly, the second component may also be referred to as a first component without departing from the scope of the present invention.

FIG. 1 is an overall structural diagram of a transformer device according to an embodiment, FIG. 2 is an overall exploded perspective view of a transformer device according to an embodiment, FIG. 3 is an exploded perspective view of a bobbin portion according to an embodiment, and FIG. 4 is an exploded perspective view of a bobbin portion according to an embodiment. This is a diagram to explain the winding state of the second coil according to an example.

Referring to FIG. 1 , the transformer device 100 includes a bobbin portion 110, a bracket 120, a second connection member 130, a first connection member 140, and a core portion 160.

As shown in FIG. 2, the bobbin unit 110 includes a first PCB unit 111, a second PCB unit 113, and a body unit 115.

The first PCB unit 111 may include a 1-1 coil (not shown) and a first pin insertion hole 111-1 may be formed at one end. At this time, the 1-1 coil and the 1-2 coil described later may be primary coils.

The first PCB unit 111 may be formed with a first core insertion hole 111-3 penetrating one side and the other side.

The first PCB unit 111 includes a winding pattern of a primary coil (for example, a 1-1 coil) formed on one side, includes a winding pattern of a primary coil formed on both sides, or is formed as a single layer. It may be a printed circuit board that includes a winding pattern of a primary coil that is formed of multiple layers.

The second PCB unit 113 may include a 1-2 coil at a position spaced apart from the first PCB unit 111 and a second pin insertion hole 113-1 may be formed at one end. At this time, the second pin insertion hole 113-1 may be formed at a position opposite to the first pin insertion hole 111-1 to facilitate insertion of the first connection member 140.

The second PCB unit 113 may be formed with a second core insertion hole 113-3 penetrating one side and the other side. At this time, the second core insertion hole 113-3 may be formed in a position opposite to the first core insertion hole 111-3 to facilitate coupling with the core portion 160 and the body portion 115. .

The second PCB unit 113 includes a winding pattern of a primary coil formed on one side, a winding pattern of a primary coil formed on both sides, a winding pattern of a primary coil formed as a single layer, or Alternatively, it may be a printed circuit board including a winding pattern of a primary coil formed in multiple layers. That is, the above-described primary coil can be formed in various patterns in the first PCB unit 111 and the second PCB unit 113 according to the operator's needs.

The body portion 115 is located between the first and second PCB portions 111 and 113 and is formed to couple the first and second PCB portions 111 and 113, so that the second coil 150 can be wound on the outer surface. there is. The second coil 150 may be an insulating coated coil in the form of a general coil. Additionally, the body portion 115 may be made of an insulating material. The first coil including the above-described 1-1 coil and the 1-2 coil is a primary coil, and the second coil 150 is a secondary coil and can perform a voltage conversion function through electromagnetic action between them.

Referring to FIG. 3, the body portion 115 may be formed with a third core insertion hole 115-5 penetrating one side and the other side.

Referring to FIG. 2, the body portion 115 includes a first fastening member 115-1 formed to protrude upward from one side, a second fastening member 115-2 formed to protrude downward from one side, and a second fastening member 115-2 formed to protrude downward from the other side. It may include a third fastening member 115-3 that protrudes upward and a fourth fastening member 115-4 that protrudes downward on the other side.

At this time, the fact that one side is formed to protrude upward may mean that one side is formed to protrude relative to one side of the body portion 115. That is, the first fastening member 115-1 has a structure formed to protrude from one surface of the first PCB portion 111 even after the body portion 115 is coupled to the first PCB portion 111. This structure can be equally and similarly applied to the second fastening member 115-2, the third fastening member 115-3, and the fourth fastening member 115-4. The first fastening member 115-1, the second fastening member 115-2, the third fastening member 115-3, and the fourth fastening member 115-4 are connected to the first PCB portion 111 and the fourth fastening member 115-4. 2 It may be coupled to the PCB unit 113 by an interference fit method, but is not limited to this. In addition, the first fastening member 115-1, the second fastening member 115-2, the third fastening member 115-3, and the fourth fastening member 115-4 are made of an elastic material and form the first fastening member 115-2. It can be combined with the PCB unit 111 and the second PCB unit 113.

Referring to FIG. 3, a portion of the first and third fastening members 115-1 and 115-3 are each fastened in contact with the inner surface of the first core insertion hole 111-3, and the other portion is fastened to the first PCB. It may be fastened to protrude from one side of the part 111. At this time, the other part of the first and third fastening members 115-1 and 115-3 may be defined as another part or remainder excluding the above-mentioned part.

The body portion 115 has a structure in which a step is formed due to the protruding first and third fastening members 115-1 and 115-3, and then the first core 161 is coupled to the body portion 115. When it is done, it can be combined in a form that sits in the concave area of the step. Because of this, in this embodiment, the coupling force between the first core 161 and the body portion 115 can be improved. Additionally, in this embodiment, the transformer device 100 can be expected to have an overall miniaturization by forming a relatively low structure based on the height direction.

Parts of the second and fourth fastening members 115-2 and 115-4 are each fastened to be in contact with the inner surface of the second core insertion hole 113-3, and the other part is fastened to one surface of the second PCB unit 113. It can be fastened to protrude from. At this time, the other part of the second and fourth fastening members 115-2 and 115-4 may be defined as another part or remainder excluding the above-mentioned part.

The body portion 115 has a structure in which a step is formed due to the protruding second and fourth fastening members 115-2 and 115-4, and then the second core 163 is coupled to the body portion 115. When it is done, it can be combined in a form that sits in the concave area of the step. Because of this, in this embodiment, the coupling force between the second core 163 and the body portion 115 can be improved. Additionally, in this embodiment, the transformer device 100 can be expected to have an overall miniaturization by forming a relatively low structure based on the height direction.

Meanwhile, referring to FIGS. 2 and 3, the second and fourth fastening members 115-2 and 115-4 have a length in a lower direction than the first and third fastening members 115-1 and 115-3. By being formed to be longer, it can serve as a substrate mounting portion when the transformer device 100 is mounted on a substrate (not shown). That is, the protruding length of the second and fourth fastening members 115-2 and 115-4 after being seated on the second PCB portion 113 is equal to that of the first and third fastening members 115-1 and 115-3. It is formed to extend longer than the protruding length after being seated on the first PCB portion 111. Because of this, the second and fourth fastening members 115-2 and 115-4 may serve to seat and secure the transformer device 100 to the substrate (not shown). The length extending in the downward direction of the second and fourth fastening members 115-2 and 115-4 may be determined in consideration of specifications by which the transformer device 100 can be stably seated on the substrate.

As described above, the bobbin portion 110 may have a structure capable of winding the second coil 150 after the first PCB portion 111, the second PCB portion 113, and the body portion 115 are combined. there is. Referring to Figures 3 and 4, in this embodiment, a separate flange part is omitted and the first PCB part 111 and the second PCB part 113 can serve as the flange part. Accordingly, compared to the structure in which a separate flange part is provided on the body, the present embodiment can additionally secure the winding space of the second coil 150, so that the winding space in the A direction and the B direction is The effect of allowing additional winding of the second coil can be expected. Not limited to this, it may also be possible to reduce the winding space of the second coil 150 according to specifications. Additionally, in this embodiment, the transformer device 100 can be miniaturized and lightweight by omitting a separate flange portion.

In addition, this embodiment has a structure in which the distance between the first coil (not shown) formed in a pattern on the PCB portion and the second coil 150 formed as an insulating coil is formed very close, and the first PCB portion on which the first coil is formed ( By applying a sandwich structure in which the second coil 150, which is an insulating coil, is positioned between 111) and the second PCB unit 113, the leakage value can be formed to be relatively small. For this reason, the transformer device 100 of this embodiment can be suitable for a flyback circuit in which efficiency increases as the leakage value decreases.

The first PCB part 111, the second PCB part 113, and the body part 115 of the bobbin part 110 described above may each be formed in a separable form. Accordingly, in this embodiment, the winding space of the second coil 150 can be adjusted by adjusting the size of the body portion 115 according to the specifications required by the operator.

FIGS. 5 and 6 are diagrams for explaining the coupling structure of the second PCB unit and the bracket according to an embodiment, FIG. 7 is a detailed structural diagram of the bracket according to an embodiment, and FIG. 8 is a schematic diagram of the second PCB unit and the bracket according to an embodiment. 2 This is a drawing to explain the arrangement relationship between the coil and bracket.

The bracket 120 may be formed to be coupled to the other end of the second PCB unit 113. Specifically, the bracket 120 may be formed to surround the other end of the second PCB unit 113.

Referring to FIG. 5, the bracket 120 has a PCB coupling groove 121 formed in the inner longitudinal direction from the other side, and at least one PCB coupling protrusion ( 123) may be included.

Referring to FIGS. 5 and 6, the above-described second PCB unit 113 may have a bracket coupling hole 113-5 formed on one side and the other surface at a position corresponding to at least one PCB coupling protrusion 123. there is. The second PCB portion 113 may be inserted into the PCB coupling groove 121 and fixed through combination of the bracket coupling hole 113-5 and the PCB coupling protrusion 123. At this time, as the second PCB portion 113 is fastened to the PCB coupling groove 121 in a slide manner, the bracket coupling hole 113-5 and the PCB coupling protrusion 123 can be coupled to each other. The bracket coupling hole 113-5 and the PCB coupling protrusion 123 may be coupled to each other using an interference fit method, but the present invention is not limited thereto.

Referring to FIG. 7 , the other side 125 of the bracket 120 adjacent to the other side of the second PCB unit 113 may be formed in a curved shape. As shown in FIG. 8, when the second coil 150 is pulled out along the upper part of the bracket 120, the other side surface 125, which is the area of the bracket 120 that is in contact, is curved rather than sharp like a right angle. Because it has a soft shape, damage to the second coil 150 can be prevented in advance. Although not shown, the drawn-out second coil 150 may be joined to the second connection member 130 through a soldering process or the like for conduction.

The second connection member 130 may be formed on one side of the bracket 120 to protrude outward.

Specifically, the second connecting member 130 may be formed so that a portion is inserted into one side of the bracket 120 and the other portion protrudes to the outside. At this time, the other part of the second connection member 130 may mean the remainder excluding the part. As shown in FIG. 8, the second connecting member 130 may be formed in a shape in which an outwardly protruding portion is bent downward with respect to a plane, but is not limited thereto.

The first connection member 140 provides first and second pin insertion holes 111- so that the 1-1 coil of the first PCB unit 111 and the 1-2 coil of the second PCB unit 113 are connected to each other. 1, 113-1). At this time, as the first connection member 140 is inserted into the first and second pin insertion holes 111-1 and 113-1, the 1-1 coil and the second PCB portion of the first PCB portion 111 ( The first and second coils of 113) may be connected to each other.

FIG. 9 is an exploded perspective view of a transformer device for explaining a method of coupling a core portion according to an embodiment, and FIG. 10 is a diagram showing a part of the transformer device in detail according to an embodiment.

The core portion 160 includes a first core 161 and a second core 163.

Referring to FIG. 9, the first core 161 is formed to be seated on one surface of the first PCB unit 111, and a portion 161-1 is inserted into the first and third core insertion holes 111-3 and 115-5. ) can be formed to be inserted into.

The second core 163 is formed to be seated on one surface of the second PCB portion 113, and a portion 163-1 is formed to be inserted into the second and third core insertion holes 113-3 and 115-5. You can.

It is explained that the above-described first core 161 and second core 163 are formed in an EE shape, and parts of them are inserted into the first to third core insertion holes 111-3, 113-3, and 115-5, respectively. However, it is not limited to this, and the first core 161 and the second core 163 may be of various types such as EI type, EVD type, EED type, EP type, and EEH type. Depending on its shape, the core portion 160 includes at least one portion of the first core 161 and the second core 163 having first to third core insertion holes 111-3, 113-3, and 115-5. can be inserted into

Referring to FIG. 10, the first core 161 is spaced apart from the first fastening member 115-1 and the third fastening member 115-3, respectively, at a preset distance based on one side of the first PCB unit 111. (C) can be seated to form. At this time, the separation space formed based on one side of the first PCB unit 111 may mean a separation space formed based on the horizontal direction.

Likewise, the second core 163 is formed to have a preset separation space from the second fastening member 115-2 and the fourth fastening member 115-4, respectively, based on one surface of the second PCB portion 113. It can be settled. At this time, the separation space formed based on one side of the second PCB unit 113 may mean a separation space formed based on the horizontal direction.

The above-described first fastening member 115-1, second fastening member 115-2, third fastening member 115-3, and fourth fastening member 115-4 are the first and second cores 161. , 163) may serve as a guide to ensure that the first and second cores 161 and 163 are seated in the correct position. In addition, this embodiment has a separation space C between the sides of the first and second cores 161 and 163 and the first to fourth fastening members 115-1, 115-2, 115-3, and 115-4. Since it forms, it is possible to prevent cracks in the first and second cores 161 and 163 that may occur due to contact.

The above-described transformer device 100 can first form the bobbin portion 110 by combining the first PCB portion 111, the second PCB portion 113, and the body portion 115. Next, the bracket 120 can be coupled to the other end of the second PCB unit 113. At this time, as the second coil 150 is wound after coupling the bracket 120 to the second PCB unit 113, the effect of enabling a fixed connection to the wound second coil 150 can be expected. Next, the second coil 150 can be wound on the outer surface of the body portion 115 of the bobbin portion 110. Next, the first connection member 140 is connected to the first pin insertion hole 111-1 formed in the first PCB portion 111 and the second pin insertion hole 113-1 formed in the second PCB portion 113. It can be inserted so that the first coils patterned in the first and second PCB parts 111 and 113 can conduct each other. At this time, the first coil includes a 1-1 coil and a 1-2 coil, and may be a primary coil. Next, the core unit 160 consisting of a pair of first core 161 and second core 163 may be coupled to the bobbin unit 110. Specifically, the first core 161 and the second core 163 are seated on the first and second PCB units 111 and 113, respectively, and a portion 161-1 of the first core 161 is the first core 161. and is coupled to be inserted into the third core insertion holes 111-3 and 115-5, and a portion 163-1 of the second core 163 is inserted into the second and third core insertion holes 113-3 and 115-5. 5) It can be combined to be inserted.

Meanwhile, the transformer device 100 according to the present embodiment described above can be implemented solely with the bobbin portion 110 including the first PCB portion 111, the second PCB portion 113, and the body portion 115. there is. At this time, the first PCB part 111, the second PCB part 113, and the body part 115 of the bobbin part 110 are the first PCB part 111 and the second PCB part 111 shown in FIGS. 1 to 10 described above. Since it is a configuration that performs the same role as the PCB portion 113 and the body portion 115, detailed description will be omitted.

Although representative embodiments of the present invention have been described in detail above, those skilled in the art will understand that various modifications can be made to the above-described embodiments without departing from the scope of the present invention. . Therefore, the scope of the present invention should not be limited to the described embodiments, but should be determined not only by the claims described below but also by equivalents to these claims.

100: Transformer
110: Bobbin part
111: 1st PCB part
111-1: First pin insertion hole
111-3: First core insertion hole
113: 2nd PCB part
113-1: Second pin insertion hole
113-3: Second core insertion hole
113-5: Bracket coupling hole
115: body part
115-1: First fastening member
115-2: Second fastening member
115-3: Third fastening member
115-4: Fourth fastening member
115-5: Third core insertion hole
120: bracket
121: PCB joining groove
123: PCB coupling protrusion
125: Other side of bracket
130: second connection member
140: first connection member
150: second coil
160: core part
161: first core
163: second core

Claims (16)

A first PCB unit including a 1-1 coil and having a first pin insertion hole at one end, a 1-2 coil at a position spaced apart from the first PCB unit and a second pin insertion hole at one end. A bobbin portion including a second PCB portion formed, and a body portion located between the first and second PCB portions and formed to couple the first and second PCB portions and having a second coil wound on the outer surface;
a first connecting member formed in the first and second pin insertion holes to connect the 1-1 coil of the first PCB unit and the 1-2 coil of the second PCB unit to each other;
A bracket coupled to the other end of the second PCB unit; and
A transformer device comprising a second connection member formed on one side of the bracket to protrude outward.
In claim 1,
The body part,
A first fastening member formed to protrude upward from one side, a second fastening member formed to protrude downward from one side, a third fastening member formed to protrude upward from the other side, and a fourth fastening member formed to protrude downward from the other side. A transformer device comprising a member.
In claim 2,
The first PCB unit is formed with a first core insertion hole penetrating one side and the other side,
A transformer device, wherein a portion of the first and third fastening members is fastened to be in contact with the inner surface of the first core insertion hole and the other portion is fastened to protrude from one surface of the first PCB unit.
In claim 3,
The second PCB unit is formed with a second core insertion hole penetrating one side and the other side,
A transformer device, wherein a part of the second and fourth fastening members is fastened to be in contact with the inner surface of the second core insertion hole, and the other part is fastened to protrude from one surface of the second PCB unit.
In claim 4,
The body portion is formed with a third core insertion hole penetrating one side and the other side,
a first core that is formed to be seated on one surface of the first PCB unit and a portion of which is formed to be inserted into the first and third core insertion holes; and
A transformer device further comprising a second core that is formed to be seated on one surface of the second PCB unit and a portion of which is formed to be inserted into the second and third core insertion holes.
In claim 5,
The first core is seated so that a predetermined space is formed between the first fastening member and the third fastening member based on one surface of the first PCB unit, respectively,
The second core is seated with the second fastening member and the fourth fastening member so that a preset space is formed based on one surface of the second PCB unit.
In claim 2,
The second and fourth fastening members are,
A transformer device formed to be longer in a downward direction than the first and third fastening members.
In claim 1,
The bracket is,
A transformer device comprising a PCB coupling groove formed in the inner longitudinal direction from the other side, and at least one PCB coupling protrusion formed on each of the upper and lower surfaces of the inner side of the PCB coupling groove.
In claim 8,
The second PCB part,
A transformer device in which a bracket coupling hole is formed at a position corresponding to the at least one PCB coupling protrusion on each of one side and the other surface, is inserted into the PCB coupling groove and is fixed through combination of the bracket coupling hole and the PCB coupling protrusion.
In claim 1,
The bracket is,
A transformer device wherein the other side adjacent to the other side of the second PCB unit is formed in a curved shape.
In claim 1,
A transformer device, wherein the first PCB portion, the second PCB portion, and the body portion of the bobbin portion are each formed in a separable form.
In claim 1,
The 1-1 coil and the 1-2 coil are primary coils,
The first and second PCB units each include a winding pattern of the primary coil formed on one side, a winding pattern of the primary coil formed on both sides, or a winding pattern of the primary coil formed as a single layer. A transformer device, which is a printed circuit board including a winding pattern of the primary coil formed in multiple layers.
A first PCB unit including a first core insertion hole formed through one side and the other side of the central portion;
a second PCB unit located opposite to and spaced apart from the first PCB unit and including a second core insertion hole formed to penetrate one side and the other side of the central portion; and
A bobbin part is located between the first and second PCB parts and is formed to couple the first and second PCB parts, and includes a body part on which a second coil is wound on the outer surface,
The body part,
A first fastening member formed to protrude upward from one side, a second fastening member formed to protrude downward from one side, a third fastening member formed to protrude upward from the other side, and a fourth fastening member formed to protrude downward from the other side. A transformer device comprising a member.
In claim 13,
The first PCB part has a 1-1 coil wound and a first pin insertion hole is formed at one end, and the second PCB part has a 1-2 coil wound and a second pin insertion hole is formed at one end,
A first connection member formed in the first and second pin insertion holes to connect the 1-1 coil of the first PCB unit and the 1-2 coil of the second PCB unit to each other;
A bracket coupled to the other end of the second PCB unit; and
A transformer device further comprising a second connection member formed on one side of the bracket to protrude outward.
In claim 13,
A transformer device, wherein a portion of the first and third fastening members is fastened to be in contact with the inner surface of the first core insertion hole, and the other portion is fastened to protrude from one surface of the first PCB unit.
In claim 13,
A transformer device, wherein a portion of the second and fourth fastening members is fastened to be in contact with the inner surface of the second core insertion hole, and the other portion is fastened to protrude from one surface of the second PCB unit.