TWM647914U - Magnetic component - Google Patents

Abstract

A magnetic component configured to be disposed on a circuit board is disclosed. The magnetic component includes a base, a magnetic element and a conductive element. The base includes a first surface and a second surface opposite to each other. The second surface is opposite to a third surface of the circuit board. The magnetic element is disposed on the base and includes a winding. The conductive element is embedded in the base and electrically connected to the winding. The conductive element includes an attachment portion located between the second surface of the base and the third surface of the circuit board. An insertion portion of the conductive element or a lead-out end of the winding penetrates the third surface of the circuit board.

Description

Magnetic components

This case is about an electronic component, specifically a magnetic component, which when assembled on a circuit board is attached to and penetrates the circuit board, and provides additional electrical connection points and structural support while being universally applicable to different processes, thereby reducing labor costs. And ensure the stability of the electrical connection.

Current electronic components are mainly mounted on printed circuit boards through dual in-line package (DIP) or surface-mount technology (SMT). DIP inserts the metal pins of electronic components into the through holes of the printed circuit board for electrical connection. Therefore, it can withstand strong external forces and will not fall off. However, it must be placed manually, which consumes extra manpower. SMT uses automatic equipment to place electronic components on printed circuit boards and electrically connect them to the surface of the printed circuit board through soldering, which can save labor costs.

However, as the power demand for electronic devices increases, the volume and weight of the electronic components installed therein also increase. When electronic equipment is moved or tilted, the solder joints between the heavy electronic components fixed only by SMT and the surface of the printed circuit board are prone to breakage or even fall off, thereby creating the risk of electronic component failure.

Therefore, it is necessary to provide a magnetic component that can be attached to and penetrate the circuit board when assembled and disposed on a circuit board, and can provide additional electrical connection points and structural support while being universally applicable to different manufacturing processes, thereby reducing labor costs and ensuring electrical power. The stability of sexual connection to solve the lack of conventional technology.

The purpose of this case is to provide a magnetic component. The lead of the magnetic component includes both an attachment part attached to the surface of the circuit board and an insertion part penetrating the surface of the circuit board, so that it can be commonly used for dual in-line package (DIP) or surface mounting. It is fixed on the circuit board using Surface-mount technology (SMT). Magnetic components can be automatically placed first, for example, using SMT, and then connected to the circuit board using DIP, thereby reducing labor costs and providing additional electrical connection points and structural support to ensure the stability of electrical connections. . The conductor includes a connecting part, so that the attachment part and the insertion part can be integrally formed to increase the stability of the structure and electrical connection. The connection part, for example, includes a bending part, which facilitates the easy installation of the conductor after the base is formed. Installation and disassembly reduce maintenance costs. For example, the attachment part and the insertion part are respectively connected to different conductive layers of the circuit board, thereby increasing the flexibility of the circuit layout.

Another purpose of this case is to provide a magnetic component. The conductor of the magnetic component includes an attachment portion that adheres to the surface of the circuit board, and the winding includes an outlet end that penetrates the conductor and the circuit board, so that it can be used through a dual in-line package (Dual in-line package). , DIP) or surface-mount technology (SMT) and fixed to the circuit board. By directly penetrating the circuit board through the outlet end of the winding, in addition to providing additional electrical connection points and structural support, it also reduces the size of the conductors to achieve a compact structural design and increase the utilization of circuit board space. The attachment portion of the conductive member and the outlet end of the winding can also be connected to different conductive layers of the circuit board respectively to increase the flexibility of the circuit layout.

In order to achieve the aforementioned purpose, this case provides a magnetic component. The magnetic component is assembled on a circuit board and includes a base, a magnetic component and a conductor. The base includes a first side and a second side opposite to each other. The second side faces one of the third sides of the circuit board. The magnetic component is disposed on the base and includes a winding. The conductor is embedded in the base and electrically connected to the winding, and includes an attachment part and an insertion part. The attachment part and the insertion part are connected to each other, the attachment part is located between the second surface of the base and the third surface of the circuit board, and the insertion part penetrates the third surface of the circuit board.

In one embodiment, the guide member includes at least two guide members, and the at least two guide members are symmetrically arranged about a central axis of the base.

In one embodiment, the base includes a first protruding part adjacent to the guide member, wherein a gap is formed between the first protrusion part and the guide member, and the winding is embedded in the gap.

In one embodiment, the gap has a gap width, the winding has a winding diameter, and the gap width is greater than or equal to the winding diameter.

In one embodiment, the base includes a receiving part, and the guide member includes a connecting part, where the connecting part connects the attaching part and the inserting part, and is embedded in the receiving part of the base.

In one embodiment, the conductive member includes a second protruding portion protruding outward from the connecting portion, and the wire is wrapped around the second protruding portion to electrically connect with the conductive member.

In one embodiment, the connecting part includes a bent part with a concave surface, and the concave surface faces the receiving part.

In one embodiment, the winding is electrically connected to the conductor through a welding method.

In one embodiment, the attaching portion and the inserting portion of the guide member are offset from each other in a viewing direction, which is a direction in which the first surface of the base faces the second surface.

In one embodiment, the attachment part and the insertion part are integrally formed.

In one embodiment, the circuit board includes a first conductive layer and a second conductive layer. The first conductive layer is located on the third side of the circuit board. The second conductive layer is located on the third side of the circuit board and an opposite fourth side. Between the surfaces, the attachment part is electrically connected to the first conductive layer, and the insertion part is electrically connected to the second conductive layer.

In order to achieve the aforementioned purpose, this case also provides a magnetic component. The magnetic component is assembled on a circuit board and includes a base, a magnetic component and a conductor. The base includes a first side and a second side opposite to each other. The second side faces one of the third sides of the circuit board. The magnetic component is disposed on the base 10 and includes a winding. The conductor is embedded in the base and electrically connected to the winding, and includes an attachment portion. The attachment part is located between the second surface of the base and the third surface of the circuit board, and one outlet end of the winding wire penetrates the conductor and the third surface of the circuit board.

In one embodiment, the guide member includes at least two guide members, and the at least two guide members are symmetrically arranged about a central axis of the base.

In one embodiment, the outlet end of the winding wire passes through the base.

In one embodiment, the attachment portion of the guide member and the outlet end of the winding are offset from each other in a viewing direction, with the viewing direction being the direction in which the first surface of the base faces the second surface.

In one embodiment, the circuit board includes a first conductive layer and a second conductive layer. The first conductive layer is located on the third side of the circuit board. The second conductive layer is located on the third side of the circuit board and an opposite fourth side. Between the surfaces, the attached portion of the conductive member is electrically connected to the first conductive layer, and the outlet end of the winding wire is electrically connected to the second conductive layer.

Some typical embodiments embodying the features and advantages of this case will be described in detail in the following description. It should be understood that this case can have various changes in different aspects without departing from the scope of this case, and the descriptions and drawings are essentially for illustrative purposes and are not used to limit this case. For example, if the following content of this case describes that a first feature is arranged on or above a second feature, it means that it includes the embodiment in which the above-mentioned first feature and the above-mentioned second feature are in direct contact, and also includes In this embodiment, additional features may be disposed between the first features and the second features, so that the first features and the second features may not be in direct contact. In addition, repeated reference symbols and/or labels may be used in different embodiments of this case. These repeated reference symbols and/or labels are for the purpose of simplicity and clarity, and are not used to limit the relationship between various embodiments and/or the described appearance structures. Furthermore, in order to conveniently describe the relationship between one component or feature part and another (plural) component or (plural) feature part in the drawings, spatially related terms may be used, such as "under", "below", "relative to". "Lower", "upper", "upper" and similar terms. Spatially relative terms are used to encompass different orientations of a device in use or operation in addition to the orientation depicted in the drawings. The device may be otherwise oriented (e.g., rotated 90 degrees or at other orientations) and the spatially relative terms used interpreted accordingly. When a component is referred to as being "connected" or "coupled" to another component, it can be directly connected or coupled to the other component or intervening components may be present. Although the broad numerical ranges and parameters set forth herein are approximations, the values are stated as precisely as possible in the specific examples. In addition, it is understood that although terms such as "first", "second" and "third" may be used in the scope of the patent application to describe different components, these components should not be limited by these terms. , the components described accordingly in the embodiments are represented by different component symbols. These terms are used to distinguish between different components, eg a first component may be referred to as a second component. Likewise, a second component could be termed a first component without departing from the scope of the embodiments. In this specification, the term "and/or" includes any or all combinations of one or more of the associated listed items. The term "approximately" refers to an average value within a standard error range generally accepted by those of ordinary skill in the art.

Please refer to Figure 1A to Figure 2B. Figure 1A is a three-dimensional structural view of the magnetic component of the first embodiment of the present invention. Figure 1B is a three-dimensional structural view of the magnetic component of the first embodiment of the present invention from another perspective. Figure 2A is a three-dimensional cross-sectional view of the magnetic component and circuit board of the first embodiment of the present invention. Figure 2B is a plan cross-sectional view of the magnetic component and circuit board of the first embodiment of the present invention. In this embodiment, the magnetic component 1 is assembled on a circuit board 9 and includes a base 10 , a magnetic component 20 and a conductor 30 . The base 10 includes a first surface 11 and a second surface 12 opposite to each other. The second side 12 faces a third side 91 of the circuit board 9 . The magnetic component 20 is disposed on the base 10 and includes a winding 21 . The conductor 30 is embedded in the base 10 and electrically connected to the winding 21 , and includes an attachment portion 31 and an insertion portion 32 . The attachment portion 31 and the insertion portion 32 are connected to each other. The attachment portion 31 is located between the second surface 12 of the base 10 and the third surface 91 of the circuit board 9 . The insertion portion 32 penetrates the third surface 91 of the circuit board 9 . Through the guide 30 including the attachment part 31 and the insertion part 32, the magnetic component 1 can be universally used through dual in-line package (DIP) or surface-mount technology (SMT). ) is fixed on the circuit board 9 and can provide additional electrical connection points and structural support, while reducing labor costs and ensuring the stability of the electrical connection.

In this embodiment, the magnetic component 1 includes two guide members 30 , which are symmetrically arranged about a central axis C of the base 10 . For example, the two guide members 30 are respectively arranged in parallel along the X-axis direction, and the guide members 30 are formed together with the base 10 through insert molding, for example. Of course, the number, position and assembly method of the guide members 30 in this case are not limited to this and can be adjusted according to actual needs. In this embodiment, the magnetic element 20 is arranged around the central axis C, for example, and is arranged on the first surface 11 of the base 10 . For example, the winding 21 is derived from the side surface of the magnetic element 20 along the X-axis direction, and then extends along the Z-axis direction to be electrically connected to the two conductive members 30 respectively. In this embodiment, the winding 21 is, for example, wrapped around the conductive member 30 and is electrically connected to the conductive member 30 through a welding method. The attachment portion 31 and the insertion portion 32 of the conductive member 30 are, for example, integrally formed to increase the stability of the structure and electrical connection. In this embodiment, the attachment portion 31 of the conductor 30 is exposed from the second surface 12 of the base toward the third surface 91 of the circuit board 9 so as to be attached to the third surface 91 of the circuit board 9 . The insertion portion 32 of the conductive member 30 , for example, penetrates the third surface 91 and the fourth surface 92 of the circuit board 9 along the Z-axis direction through the through hole 93 , thereby providing additional electrical connection points and structural support. In this embodiment, the guide member 30 further includes a connecting portion 33 that connects the attaching portion 31 and the inserting portion 32 and is embedded in the base 10 . In this embodiment, the attachment portion 31 and the insertion portion 32 of the guide 30 are offset from each other in a viewing direction D1, which is the direction in which the first surface 11 of the base 10 faces the second surface 12. . In other words, the attachment portion 31 and the insertion portion 32 are separately derived from the base 10 so as to be connected to different areas of the circuit board 9 .

In this embodiment, the circuit board 9 includes a first conductive layer 94 and a second conductive layer 95 . The first conductive layer 94 is located on the third surface 91 of the circuit board 9 , and the second conductive layer 95 is located between the third surface 91 of the circuit board 9 and an opposite fourth surface 92 . For example, the attachment portion 31 is electrically connected to the first conductive layer 94 , and the insertion portion 32 is electrically connected to the second conductive layer 95 . By connecting the attaching part 31 and the inserting part 32 to different conductive layers of the circuit board 9 respectively, the flexibility of the overall circuit layout can be increased. In other embodiments, the insertion portion 32 is electrically connected to a plurality of conductive layers at the same time, but the present invention is not limited thereto.

In this embodiment, the base 10 includes a retaining wall 13 that is arranged around the periphery of the magnetic component 20 to prevent physical collision between electronic components and reduce electromagnetic interference. In this embodiment, the retaining wall 13 covers, for example, the front of the magnetic element 20 (in the positive direction of the A first opening 14 is formed in the opposite direction of the In other embodiments, the retaining wall 13 of this case is arranged around the central axis C, for example, to cover the side of the magnetic element 20 and form a first opening 14 above the magnetic element 20 (in the positive Z-axis direction), so that the magnetic element can 20 passes through the first opening 14 along the Z-axis direction during assembly and is disposed on the first surface 11 of the base 10 . It is worth noting that the arrangement of the retaining wall 13 and the first opening 14 in this case is not limited to this, and will not be described again. In this embodiment, the base 10 further includes, for example, a second opening 15 disposed on the side of the retaining wall 13 for the windings 21 to be led out from the side of the magnetic component 20 along the X-axis direction and electrically connected to two conductors respectively. Receiver 30, this case is not limited to this.

Please refer to Figure 3A to Figure 4. Figure 3A is a three-dimensional structural view of the magnetic component of the second embodiment of the present invention. Figure 3B is a three-dimensional structural view of the magnetic component of the second embodiment of the present invention from another perspective. Figure 4 is an exploded view of the structure of the magnetic component of the second embodiment of the present invention. In this embodiment, the magnetic component 1a is similar to the magnetic component 1 shown in Figures 1A to 2B, and the same component numbers represent the same components, structures and functions, which will not be described again. In this embodiment, the base 10a includes, for example, a receiving portion 16, and the guide member 30a includes a connecting portion 33. The connecting part 33 connects the attaching part 31 and the inserting part 32, and is embedded in the accommodating part 16 of the base 10a. In this embodiment, the magnetic component 1a includes, for example, two guide members 30a arranged in parallel along the X-axis direction, respectively accommodated in the two accommodating parts 16 of the base 10a. The connecting portion 33 of the guide member 30a further includes a bent portion 331 with a concave surface 332, and the concave surface 332 faces the accommodating portion 16. The bent portion 331 is, for example, a U-shaped structure, and the concave surface 332, that is, the opening of the U-shaped structure faces the receiving portion 16 of the base 10a along the Y-axis direction, so that the base 10a can be easily connected with the guide member 30a after being formed. Complete assembly and disassembly to reduce maintenance costs. Of course, the form and arrangement of the base 10a, the guide 30a, the accommodating part 16, the connecting part 33, the bending part 331 and other components in this case are not limited to this, and can be adjusted according to actual needs.

Please refer to Figure 5A to Figure 6C. Figure 5A is a three-dimensional structural view of the magnetic component of the third embodiment of the present invention. Figure 5B is a three-dimensional structural view of the magnetic component of the third embodiment of the present invention from another perspective. Figure 6A is a three-dimensional cross-sectional view of the magnetic component of the third embodiment of the present invention. Figure 6B is a plan cross-sectional view of the magnetic component of the third embodiment of the present invention. Figure 6C is an enlarged view of area A in Figure 6B. In this embodiment, the magnetic component 1 b is similar to the magnetic component 1 a shown in FIGS. 3A to 4 , and the same component numbers represent the same components, structures and functions, which will not be described again here. In this embodiment, the base 10b includes a first protruding portion 17 adjacent to the guide member 30b. For example, the first protruding portion 17 protrudes outward from the base 10b along the X-axis direction to form a gap G between the first protruding portion 17 and the guide member 30b, and the winding 21 is embedded in the gap G. In this embodiment, the gap G further has a gap width W1, the winding 21 has a winding diameter W2, and the gap width W1 is greater than or equal to the winding diameter W2. The first protruding portion 17 of the base 10b is, for example, configured for winding the winding wire 21 derived from the magnetic component 20 to facilitate the assembly of the magnetic component 1b. Furthermore, the winding 21 wound around the first protruding part 17 may be embedded in the gap G between the first protruding part 17 and the guide 30b, and the gap width W1 is equal to the winding diameter W2, so that The winding 21 and the conductive member 30b are in direct contact and interfere with each other to form an electrical connection. Of course, the form and arrangement of the base 10b, the first protruding portion 17, the winding 21, the conductor 30b and other components in this case are not limited to this, and can be adjusted according to actual needs.

Please refer to Figure 7A to Figure 7B. Figure 7A is a three-dimensional structural view of the magnetic component of the fourth embodiment of the present invention. Figure 7B is a three-dimensional structural view of the magnetic component of the fourth embodiment of the present invention from another perspective. In this embodiment, the magnetic component 1c is similar to the magnetic component 1a shown in Figures 3A to 4, and the same component numbers represent the same components, structures and functions, which will not be described again. In this embodiment, the conductive member 30c includes a second protruding portion 34 protruding outward from the connecting portion 33, and the winding wire 21 is wrapped around the second protruding portion 34 to electrically connect with the conductive member 30c. For example, the second protruding portion 34 protrudes from the connecting portion 33 along the Z-axis direction, and then extends along the X-axis to facilitate winding of the winding wire 21 derived from the magnetic element 20 . Of course, the form and arrangement of the second protruding portion 34 in this case are not limited to this, and can be adjusted according to actual needs.

Please refer to Figure 8A to Figure 10B. Figure 8A is a three-dimensional structural view of the magnetic component of the fifth embodiment of the present invention. Figure 8B is a three-dimensional structural view of the magnetic component of the fifth embodiment of the present invention from another perspective. Figure 9 is an exploded view of the structure of the magnetic component of the fifth embodiment of the present invention. Figure 10A is a three-dimensional cross-sectional view of the magnetic component and circuit board of the fifth embodiment of the present invention. Figure 10B is a plan cross-sectional view of the magnetic component and circuit board of the fifth embodiment of the present invention. In this embodiment, the magnetic component 1d is similar to the magnetic component 1 shown in Figures 1A to 2B, and the same component numbers represent the same components, structures and functions, which will not be described again here. In this embodiment, the magnetic component 1d is assembled on a circuit board 9d and includes a base 10d, a magnetic component 20d and a conductor 30d. The base 10d includes a first surface 11 and a second surface 12 opposite to each other. The second side 12 faces a third side 91 of the circuit board 9d. The magnetic element 20d is disposed on the base 10 and includes a winding 21. The conductor 30d is embedded in the base 10 and is electrically connected to the winding 21, and includes an attachment portion 31. The attachment portion 31 is located between the second surface 12 of the base 10 and the third surface 91 of the circuit board 9d. One outlet end 211 of the winding 21 penetrates the conductive member 30d and the third surface 91 of the circuit board 9d.

In this embodiment, the magnetic component 1d includes four conductive members 30d, which are symmetrically arranged about a central axis C of the base 10d, and the conductive members 30d are connected to the base 10 through insert molding, for example. Formed together. Of course, the number, position and assembly method of the guide members 30d in this case are not limited to this and can be adjusted according to actual needs. In this embodiment, the outlet end 211 of the winding 21 penetrates the base 10d. For example, the outlet end 211 of the winding 21 sequentially penetrates the conductor 30d, the first surface 11 and the second surface 12 of the base 10d along the Z-axis direction, or penetrates the third surface 91 of the circuit board 9d through the through hole 93d. and the fourth side 92. By the outlet end 211 of the winding 21 penetrating the conductor 30d and the base 10d and being derived from the bottom of the base 10d, a compact structural design can be achieved and the circuit board space utilization can be increased. In this embodiment, the attaching portion 31 of the conductive member 30d and the outlet end 211 of the winding 21 are, for example, offset from each other in a viewing direction D1. The viewing direction D1 is the direction in which the first surface 11 of the base 10d faces the second surface 12. In other words, the attachment portion 31 and the outlet end 211 of the winding 21 are separately derived from the base 10d to be connected to different areas of the circuit board 9d. In this embodiment, the base 10d includes a retaining wall 13d, which is arranged around the periphery of the magnetic component 20d to prevent physical collision between electronic components and reduce electromagnetic interference. In this embodiment, the retaining walls 13d are, for example, arranged in parallel along the X-axis direction to shield the magnetic element 20d, but the present case is not limited to this.

In this embodiment, the circuit board 9d includes a first conductive layer 94d and a second conductive layer 95d. The first conductive layer 94d is located on the third surface 91 of the circuit board 9d, and the second conductive layer 95d is located between the third surface 91 of the circuit board 9d and an opposite fourth surface 92. The attachment portion 31 of the conductive member 30d is electrically connected to the first conductive layer 94d, and the outlet end 211 of the winding 21 is electrically connected to the second conductive layer 95d. The flexibility of the overall circuit layout can be increased by connecting the attachment portion 31 of the conductive member 30d and the outlet end 211 of the winding 21 to different conductive layers of the circuit board 9d respectively. In other embodiments, the outlet end 211 of the winding 21 is electrically connected to a plurality of conductive layers at the same time, but the present invention is not limited thereto.

To sum up, this case provides a magnetic component. The conductor includes both an attachment part attached to the surface of the circuit board and an insertion part penetrating the surface of the circuit board, so that it can be used through dual in-line package (Dual in-line package, DIP) or surface mounting technology (Surface- mount technology, SMT) and fixed on the circuit board. Magnetic components can be automatically placed first, for example, using SMT, and then connected to the circuit board using DIP, thereby reducing labor costs and providing additional electrical connection points and structural support to ensure the stability of electrical connections. . The conductor includes a connecting part, so that the attachment part and the insertion part can be integrally formed to increase the stability of the structure and electrical connection. The connection part, for example, includes a bending part, which facilitates the easy installation of the conductor after the base is formed. Installation and disassembly reduce maintenance costs. For example, the attachment part and the insertion part are respectively connected to different conductive layers of the circuit board, thereby increasing the flexibility of the circuit layout. The magnetic component can also penetrate the conductor and the circuit board through the outlet end of the wire, so that it can be installed through dual in-line package (DIP) or surface-mount technology (SMT). Fixed to the circuit board. By directly penetrating the circuit board through the outlet end of the winding, in addition to providing additional electrical connection points and structural support, it also reduces the size of the conductors to achieve a compact structural design and increase the utilization of circuit board space. The attachment portion of the conductive member and the outlet end of the winding can also be connected to different conductive layers of the circuit board respectively to increase the flexibility of the circuit layout.

This case may be modified in various ways by those who are familiar with this technology, but none of them will deviate from the intended protection within the scope of the patent application.

1, 1a, 1b, 1c, 1d: magnetic components 10, 10a, 10b, 10c, 10d: Base 11: Side 1 12:Second side 13, 13d: retaining wall 131:Top surface 14:First opening 15:Second opening 16: Accommodation Department 17: First protrusion 20, 20d: Magnetic components 21: Winding 211:Output terminal 30, 30a, 30b, 30c, 30d: guide parts 31: Attachment Department 32: Insertion part 33:Connection part 331: Bending part 332: concave surface 34: Second protrusion 9, 9d: circuit board 91:The third side 92: Side 4 93, 93d:Through hole 94, 94d: first conductive layer 95, 95d: Second conductive layer A:Region C: central axis G: Gap D1: sight direction W1: gap width W2: Winding diameter X, Y, Z: axis

Figure 1A is a three-dimensional structural view of the magnetic component of the first embodiment of the present invention.

Figure 1B is a three-dimensional structural view of the magnetic component of the first embodiment of the present invention from another perspective.

Figure 2A is a three-dimensional cross-sectional view of the magnetic component and circuit board of the first embodiment of the present invention.

Figure 2B is a plan cross-sectional view of the magnetic component and circuit board of the first embodiment of the present invention.

Figure 3A is a three-dimensional structural view of the magnetic component of the second embodiment of the present invention.

Figure 3B is a three-dimensional structural view of the magnetic component of the second embodiment of the present invention from another perspective.

Figure 4 is an exploded view of the structure of the magnetic component of the second embodiment of the present invention.

Figure 5A is a three-dimensional structural view of the magnetic component of the third embodiment of the present invention.

Figure 5B is a three-dimensional structural view of the magnetic component of the third embodiment of the present invention from another perspective.

Figure 6A is a three-dimensional cross-sectional view of the magnetic component of the third embodiment of the present invention.

Figure 6B is a plan cross-sectional view of the magnetic component of the third embodiment of the present invention.

Figure 6C is an enlarged view of area A in Figure 6B.

Figure 7A is a three-dimensional structural view of the magnetic component of the fourth embodiment of the present invention.

Figure 7B is a three-dimensional structural view of the magnetic component of the fourth embodiment of the present invention from another perspective.

Figure 8A is a three-dimensional structural view of the magnetic component of the fifth embodiment of the present invention.

Figure 8B is a three-dimensional structural view of the magnetic component of the fifth embodiment of the present invention from another perspective.

Figure 9 is an exploded view of the structure of the magnetic component of the fifth embodiment of the present invention.

Figure 10A is a three-dimensional cross-sectional view of the magnetic component and circuit board of the fifth embodiment of the present invention.

Figure 10B is a plan cross-sectional view of the magnetic component and circuit board of the fifth embodiment of the present invention.

1: Magnetic components

10: base

11: Side 1

12:Second side

13: retaining wall

14:First opening

15:Second opening

20:Magnetic components

21: Winding

30: Guide parts

31: Attachment Department

32: Insertion part

C: central axis

D1: sight direction

X, Y, Z: axis

Claims (16)

A magnetic component assembled on a circuit board, wherein the magnetic component includes: A base including a first side and a second side opposite to each other, wherein the second side faces a third side of the circuit board; a magnetic component disposed on the base and including a winding; and A conductor is embedded in the base and electrically connected to the winding. The conductor includes an attachment part and an insertion part. The attachment part and the insertion part are connected to each other. The attachment part The insertion portion is located between the second surface of the base and the third surface of the circuit board, and the insertion portion penetrates the third surface of the circuit board. The magnetic assembly according to claim 1, wherein the guide member includes at least two guide members, and the at least two guide members are arranged symmetrically about a central axis of the base. The magnetic assembly as claimed in claim 1, wherein the base includes a first protruding part adjacent to the guide member, wherein a gap is formed between the first protrusion part and the guide member, and the winding The line is embedded in this gap. The magnetic component of claim 3, wherein the gap has a gap width, the winding has a winding diameter, and the gap width is greater than or equal to the winding diameter. The magnetic assembly according to claim 1, wherein the base includes a receiving part, and the guide member includes a connecting part, wherein the connecting part connects the attaching part and the inserting part, and is embedded in the base. The seat should be the accommodation part. The magnetic assembly of claim 5, wherein the conductive member includes a second protruding portion protruding outward from the connecting portion, and wherein the winding winds around the second protruding portion to electrically connect with the conductive member. connection. The magnetic component of claim 5, wherein the connecting portion includes a bent portion with a concave surface, and the concave surface faces the receiving portion. The magnetic assembly of claim 1, wherein the attachment portion and the insertion portion of the guide are offset from each other in a viewing direction, with the first surface of the base facing the second surface. direction. The magnetic component of claim 1, wherein the winding is electrically connected to the conductive member through a welding method. The magnetic component as claimed in claim 1, wherein the attachment part and the insertion part are integrally formed. The magnetic component of claim 1, wherein the circuit board includes a first conductive layer and a second conductive layer, the first conductive layer is located on the third side of the circuit board, and the second conductive layer is located on the circuit Between the third surface and an opposite fourth surface of the board, the attachment part is electrically connected to the first conductive layer, and the insertion part is electrically connected to the second conductive layer. A magnetic component assembled on a circuit board, wherein the magnetic component includes: A base including a first side and a second side opposite to each other, wherein the second side faces a third side of the circuit board; a magnetic component disposed on the base and including a winding; and A conductor embedded in the base and electrically connected to the winding, wherein the conductor includes an attachment portion located on the second surface of the base and the third side of the circuit board Between the three sides, an outlet end of the winding wire penetrates the conductive member and the third side of the circuit board. The magnetic assembly according to claim 12, wherein the guide member includes at least two guide members, and the at least two guide members are arranged symmetrically about a central axis of the base. The magnetic component of claim 12, wherein the outlet end of the winding wire penetrates the base. The magnetic component of claim 12, wherein the attachment portion of the guide member and the outlet end of the winding are offset from each other in a viewing direction, and the viewing direction is toward the first surface of the base. The direction of this second side. The magnetic component of claim 12, wherein the circuit board includes a first conductive layer and a second conductive layer, the first conductive layer is located on the third side of the circuit board, and the second conductive layer is located on the circuit Between the third surface and an opposite fourth surface of the board, the attachment portion of the conductive member is electrically connected to the first conductive layer, and the outlet end of the winding is electrically connected to the second conductive layer. connection.

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