TWM555056U - Inductor component - Google Patents

Description

Inductive component

This case relates to an electronic component, in particular, to an inductive component.

Referring to FIGS. 1A and 1B, the prior art inductive component 100 includes a cladding 11 and a conductive portion 122 exposed to the coil of the cladding 11. Basically, the covering body 11 made of iron powder closely covers the coil surrounded by the lacquer-coated copper wire, so that the inductance element 100 has a structure with almost no gap.

When the inductor component 100 is in use, the heat generated by the current passing through the coil is conducted outward by the iron powder to dissipate heat. However, the inductor component 100 does not have a heat dissipation design, and the thermal energy is accumulated in the inductor component 100 to cause the product. The characteristics are declining

In addition, as technology advances, inductive components tend to develop toward large currents and high power, but the increase in operating current also increases the temperature of the inductive component itself. In addition to the degradation of product characteristics, it also affects peripheral electronic components or substrates. .

Therefore, how to provide an inductance component that meets the above requirements is an urgent issue to be solved in the industry.

In order to solve at least the above problems, the present invention proposes an inductive component, a package The coil includes a coil portion formed by an insulated wire and a conductive portion formed by extending both ends of the insulated wire, and a covering body integrally formed of a magnetic material to tightly cover the coil portion and expose the conductive portion And the covering body includes a non-flat portion.

In one embodiment, at least one side of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure parallel to an extending direction of both ends of the insulated wire, wherein the uneven structure is a rib or a concave a slot, and the non-planar structure extends to an edge of the at least one side.

In one embodiment, at least one side of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure perpendicular to an extending direction of both ends of the insulated wire, wherein the uneven structure is a rib or a concave a slot, and the non-planar structure extends to an edge of the at least one side.

In one embodiment, at least one side of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure inclined to an extending direction of both ends of the insulated wire, wherein the uneven structure is a rib or a concave a slot, and the non-planar structure extends to an edge of the at least one side.

In one embodiment, at least one side of the covering body is formed with the non-flat portion, and the non-flat portion has at least two non-flat structures inclined in an extending direction of both ends of the insulated wire, and the two non-flat structures intersect each other, wherein The uneven structure is a rib or a groove, and the uneven structure extends to an edge of the at least one side.

In one embodiment, at least one side of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure parallel to an extending direction of both ends of the insulated wire and an extension perpendicular to both ends of the insulated wire To at least another non-planar structure, the non-planar structure and the other non-flat structure intersect each other, wherein the non-planar structure is a rib or a groove, and the non-flat structure extends to an edge of the at least one side.

In addition, the conductive portion of the coil is bent to be attached to the bottom surface of the covering body, and the uneven portion is formed on a top surface of the covering body opposite to the bottom surface. The conducting portion of the coil is formed by crimping both ends of the insulated wire or by connecting the conductive members to both ends of the insulated wire.

Therefore, the non-flat structure of the surface of the inductive component of the present invention can form an air flow passage, allowing air to flow on the surface of the inductor element by these non-flat structures, thereby taking away heat, and in addition, these non-flat structures can also increase the inductance. The contact area between the component and the air achieves the effect of heat dissipation.

100, 200, 300, 400, 500, 600, 700‧‧‧ inductance components

11, 21, 31, 41, 51, 61, 71‧‧ ‧ wraps

122, 222, 322, 422, 522, 622, 722, 222', 23‧‧ ‧ transmission

21A, 31A, 41A, 51A, 61A, 71A‧‧‧ non-flat parts

21a, 31a, 41a, 51a, 61a, 71a‧‧‧ top

21b, 31b, 41b, 51b, 61b, 71b‧‧‧ bottom

211, 311, 411, 511, 611, 611', 711, 711'‧‧‧ non-flat structures

221‧‧‧Circle

1A and 1B are schematic views of a prior art inductive component; 2A and 2B are schematic views of one embodiment of an inductive component of the present invention; and FIGS. 3A and 3B are schematic views of an embodiment of an inductive component of the present invention; And FIG. 4B is a schematic diagram of an embodiment of an inductive component of the present invention; FIGS. 5A and 5B are schematic diagrams showing an embodiment of an inductive component of the present invention; and FIGS. 6A and 6B are diagrams showing an embodiment of an inductive component of the present invention; 7A and 7B are schematic illustrations of one embodiment of the inductive component of the present invention Figure 8 and Figures 8A and 8B are schematic views of one embodiment of a coil of an inductive component of the present invention.

The embodiments of the present invention are described below by way of specific embodiments, and those skilled in the art can readily appreciate other advantages and functions of the present invention from the disclosure herein. It is to be understood that the structure, the proportions, the size and the like of the drawings are only used in conjunction with the disclosure of the specification for the understanding and reading of those skilled in the art, and are not intended to limit the implementation of the present invention. The conditions are limited, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in this book without affecting the effectiveness and the purpose of the creation. The technical content revealed by the creation can be covered.

Referring to Figures 2 to 7, the inductive components 200, 300, 400, 500, 600, and 700 of the present invention include the covering bodies 21, 31, 41, 51, 61, and 71 and the coils (the figures 2 to 7 are only shown Conducting portions 222, 322, 422, 522, 622, and 722) of the coil.

The coil, as shown in Figs. 8A and 8B, includes a coil portion 221 formed by an insulated wire and a conductive portion 222' or 23 formed by extending both ends of the insulated wire, as shown in Fig. 8A, the conducting portion 222 ' can be formed by the flattened ends of the insulated wire to directly form the SMD soldering surface; as shown in Fig. 8B, the conducting portion 23 can be formed by connecting the two ends of the insulated wire to each other by a conducting member, such as a conductive member (such as The welding surface on the terminal piece) forms an SMD welding surface.

Returning to Figures 2 to 7, the covering bodies 21, 31, 41, 51, 61 and 71 are integrally formed of a magnetic material to closely cover the winding portion and expose the conductive portions 222, 322, 422, 522, 622 and 722. .

The magnetic materials of the covering bodies 21, 31, 41, 51, 61 and 71 are, for example, iron powder. At least one surface of the covering bodies 21, 31, 41, 51, 61, and 71, for example, the top surfaces 21a, 31a, 41a, 51a, 61a, and 71a are formed with uneven portions 21A, 31A, 41A, 51A, 61A, and 71A. The surfaces of the covering bodies 21, 31, 41, 51, 61 and 71 with respect to the at least one side, for example the bottom surfaces 21b, 31b, 41b, 51b, 61b and 71b, provide the conductive portions 222, 322, 422, 522, 622 of the coil. And 722 is bent and attached to it.

The covering bodies 21, 31, 41, 51, 61, and 71 are formed by high pressure die casting using a mold to cover the coil, and the non-flat portions 21A, 31A, 41A, 51A, 61A, and 71A are formed together at the time of high pressure die casting. . In other words, the cover body of the present invention and the non-flat portion thereon are formed simultaneously in the high-pressure die-casting molding period, so that cost can be saved.

Next, various embodiments of the present non-flat portion will be described.

As shown in FIGS. 2A and 2B, the uneven portion 21A includes a non-flat structure 211 extending parallel to the extending direction of both ends of the conductive portion 222 (in FIG. 2B, it can be regarded as a connecting direction of the two conductive portions 222), And extending to the edge of the top surface 21a. The uneven structure 211 shown in Figs. 2A and 2B is a rib protruding from the top surface 21a, and the groove with respect to the rib can serve as an air flow passage, thereby improving surface heat dissipation efficiency. The creation does not limit the height, width or number of the ribs, and the non-flat structure 211 may also be a recess recessed into the top surface 21a.

As shown in FIGS. 3A and 3B, the uneven portion 31A includes a non-flat structure 311 extending perpendicularly to the extending direction of both ends of the conductive portion 322 (in FIG. 3B, it can be regarded as the connecting direction of the two conductive portions 322), And extending to the edge of the top surface 31a. The non-flat structure 311 shown in FIGS. 3A and 3B is a convex rib protruding from the top surface 31a. The present invention does not limit the height, width or number of the ribs, and the non-flat structure 311 may also be concave. The groove of the top surface 31a.

As shown in FIGS. 4A and 4B, the uneven portion 41A includes a non-flat structure 411 extending obliquely to the extending direction of both ends of the conductive portion 422 (in FIG. 4B, it can be regarded as a connecting direction of the two conductive portions 422), And extending to the edge of the top surface 41a. The oblique direction of the uneven structure 411 shown in Fig. 4A is the upper left and lower right directions of the top surface 41a. The uneven structure 411 shown in Figs. 4A and 4B is a rib protruding from the top surface 41a, and the groove with respect to the rib can serve as an air flow passage, thereby improving surface heat dissipation efficiency. The creation does not limit the height, width or number of the ribs, and the non-flat structure 411 may also be a recess recessed into the top surface 41a.

As shown in FIGS. 5A and 5B, the uneven portion 51A includes a non-flat structure 511 extending obliquely to the extending direction of both ends of the conductive portion 522 (in FIG. 5B, it can be regarded as a connecting direction of the two conductive portions 522), And extending to the edge of the top surface 51a. The oblique direction of the uneven structure 511 shown in Fig. 5A is the lower left and upper right directions of the top surface 51a. The uneven structure 511 shown in Figs. 5A and 5B is a rib protruding from the top surface 51a, and the groove with respect to the rib can serve as an air flow passage, thereby improving surface heat dissipation efficiency. This creation does not limit the height, width or number of the ribs, and the flat structure 511 may also It is a groove recessed into the top surface 51a.

As shown in FIGS. 6A and 6B, the uneven portion 61A includes the uneven structure 611 which is parallel and perpendicular to the extending direction of both ends of the conductive portion 622 (in the FIG. 6B, which can be regarded as the connecting direction of the two conductive portions 622) and 611', the uneven structure 611 is parallel to the extending direction of both ends of the conducting portion 622, the uneven structure 611' is perpendicular to the extending direction of the both ends of the conducting portion 622, and the uneven structures 611 and 611' extend to the edge of the top surface 61a, and The flat structures 611 and 611' intersect each other to divide the top surface 61a into a plurality of blocks. The uneven structures 611 and 611' shown in Figs. 6A and 6B are grooves recessed in the top surface 61a, and the grooves can serve as air flow passages, thereby improving surface heat dissipation efficiency. The present creation does not limit the height, width or number of the grooves, and the non-flat structures 611 and 611' may also be ribs protruding from the top surface 61a.

As shown in FIGS. 7A and 7B, the uneven portion 71A includes the uneven structures 711 and 711' which are inclined to the extending directions of both ends of the conductive portion 722 (in the FIG. 7B, which can be regarded as the connecting direction of the two conductive portions 722). The oblique direction of the uneven structure 711 is the upper left and lower right directions of the top surface 71a, and the oblique direction of the uneven structure 711' is the lower left and upper right directions of the top surface 71a, and the uneven structures 711 and 711' extend to the edge of the top surface 71a. And the uneven structures 711 and 711' intersect each other to divide the top surface 71a into a plurality of blocks. The uneven structures 711 and 711' shown in Figs. 7A and 7B are grooves recessed in the top surface 71a, and the grooves can serve as air flow passages, thereby improving surface heat dissipation efficiency. The present creation does not limit the height, width or number of the grooves, and the non-flat structures 711 and 711' may also be ribs protruding from the top surface 71a.

In summary, the creation is on at least one side of the cladding of the inductive component. Forming at least one non-flat structure such as a rib or a groove such that the at least one surface has a non-flat portion, and the non-flat portion of the inductance element can increase the contact area of the surface with the air, thereby improving the heat dissipation effect, and The wave pattern formed by the non-flat structure can provide an air passage for the air to circulate, thereby taking away the heat generated by the coil passage and improving the heat dissipation effect of the inductor element. In addition, the cover body of the present invention and the non-flat portion formed thereon are simultaneously integrally formed in the high-pressure die-casting process of the mold, so that cost can also be saved.

The above embodiments are merely illustrative of the effects of the present invention and are not intended to limit the present invention. Any person skilled in the art can modify the above-mentioned embodiments without departing from the spirit and scope of the present invention. And change. Moreover, the number of structures in the above-described embodiments is merely illustrative and is not intended to limit the present invention. Therefore, the scope of protection of this creation should be as listed in the scope of patent application described later.

200‧‧‧Inductance components

21‧‧ ‧ wrap

21A‧‧‧Apartment

21a‧‧‧Top

211‧‧‧Uneven structure

Claims (10)

An inductive component comprising: a coil comprising a coil portion formed by an insulated wire and a conductive portion extending from both ends of the insulated wire; and a covering body integrally formed of a magnetic material to tightly cover the coil The conductive portion is exposed and exposed, and the covering body includes a non-flat portion. The inductive component according to claim 1, wherein at least one surface of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure parallel to an extending direction of both ends of the insulated wire. The inductive component according to claim 1, wherein at least one surface of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure perpendicular to an extending direction of both ends of the insulated wire. The inductive component according to claim 1, wherein the non-flat portion is formed on at least one surface of the covering body, and the non-flat portion has at least one non-flat structure inclined in an extending direction of both ends of the insulated wire. The inductive component according to claim 1, wherein at least one surface of the covering body is formed with the non-flat portion, and the non-flat portion has at least two non-flat structures inclined in an extending direction of both ends of the insulated wire, Two non-flat structures and meet each other. The inductive component according to claim 1, wherein at least one surface of the covering body is formed with the non-flat portion, and the non-flat portion has at least one non-flat structure parallel to an extending direction of both ends of the insulated wire and vertical At least another non-flat structure extending in a direction of both ends of the insulated wire, the non-flat structure and the other non-flat structure intersecting each other meeting. The inductive component of any one of claims 2 to 6, wherein the non-planar structure is a rib or a groove, and the non-planar structure extends to an edge of the at least one side. The inductive component of claim 1, wherein the conductive portion of the coil is bent to be attached to a bottom surface of the covering body, and the non-flat portion is formed on the covering body relative to the covering body On the top surface of the bottom surface. The inductive component according to claim 1, wherein the conductive portion of the coil is formed by flattening both ends of the insulated wire. The inductive component according to claim 1, wherein the conductive portion of the coil is formed by connecting a conductive member to each end of the insulated wire.