CN210896936U - Inductance element and electronic equipment - Google Patents
Inductance element and electronic equipment Download PDFInfo
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- CN210896936U CN210896936U CN201922498404.9U CN201922498404U CN210896936U CN 210896936 U CN210896936 U CN 210896936U CN 201922498404 U CN201922498404 U CN 201922498404U CN 210896936 U CN210896936 U CN 210896936U
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- outer electrode
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Abstract
The utility model provides an inductance element and electronic equipment, inductance element includes the magnetic core body, first coil, the second coil, first outer electrode layer, second outer electrode layer and third outer electrode layer, first coil and second coil are inlayed and are located the magnetic core originally internally, first outer electrode layer, second outer electrode layer and third outer electrode layer set up in the first side of magnetic core body, the first end and the first outer electrode layer electricity of first coil are connected, the first end and the second outer electrode layer electricity of second coil are connected, and the second end of first coil and the second end of second coil are connected through third outer electrode layer electricity. The utility model provides an inductance element realizes that an inductance element possesses two series connection's coil, promotes inductance element's heavy current ability to can make inductance element satisfy the heavy current demand of circuit, and then promote electronic equipment's working property.
Description
Technical Field
The utility model belongs to the technical field of the electronic technology and specifically relates to an inductance element and electronic equipment are related to.
Background
With the rapid development of wireless communication technology, electronic devices such as mobile phones and tablet computers are becoming more and more popular and become an indispensable part of people's daily life. In order to meet the increasing functional requirements of people on electronic equipment, electronic components in the electronic equipment are more and more closely arranged, and the requirement for large current is more and more strong, so that an inductance element installed in the electronic equipment needs to have the capability of supplying large current of several amperes or even tens of amperes. However, the single inductor, which is miniaturized and light and thin, cannot meet the requirement of large current of the electronic device, which may result in the reduction of the working performance of the electronic device. Therefore, the problem that the working performance of the conventional electronic equipment is reduced because the inductance element cannot meet the requirement of large current is solved.
SUMMERY OF THE UTILITY MODEL
An embodiment of the utility model provides an inductance element and electronic equipment to solve present electronic equipment and have the problem that leads to the working property to descend because of inductance element can't satisfy the heavy current demand.
In order to solve the above problem, the embodiment of the present invention is implemented as follows:
in a first aspect, an embodiment of the present invention provides an inductance element applied to an electronic device, including a magnetic core body, a first coil, a second coil, a first outer electrode layer, a second outer electrode layer and a third outer electrode layer, the first coil and the second coil are embedded in the magnetic core body, the first outer electrode layer and the third outer electrode layer are disposed on a first side of the magnetic core body, a first end of the first coil is electrically connected to the first outer electrode layer, a first end of the second coil is electrically connected to the second outer electrode layer, and a second end of the first coil and a second end of the second coil are electrically connected to the third outer electrode layer.
In a second aspect, the present invention further provides an electronic device, including the above inductance element.
The utility model discloses inductance element includes the magnetic core body, first coil, the second coil, first outer electrode layer, second outer electrode layer and third outer electrode layer, first coil and second coil are inlayed and are located the magnetic core body internally, first outer electrode layer, second outer electrode layer and third outer electrode layer set up in the first side of magnetic core body, the first end and the first outer electrode layer electricity of first coil are connected, the first end and the second outer electrode layer electricity of second coil are connected, and the second end of first coil and the second end of second coil are connected through third outer electrode layer electricity, can realize that an inductance element possesses two series connection's coil, promote inductance element's heavy current ability, thereby can make inductance element satisfy the heavy current demand of circuit, and then promote electronic equipment's heavy current working property.
Drawings
Fig. 1 is a schematic structural diagram of an inductance element according to an embodiment of the present invention;
fig. 2 is a second schematic structural diagram of an inductance element according to an embodiment of the present invention;
fig. 3 is a third schematic structural diagram of an inductance element according to an embodiment of the present invention;
fig. 4 is a fourth schematic structural diagram of an inductance element according to an embodiment of the present invention;
fig. 5 is a fifth schematic structural diagram of an inductance element according to an embodiment of the present invention;
fig. 6 is a sixth schematic structural view of an inductance element according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1 to 3, the present embodiment provides an inductance component applied to an electronic device, the inductance component includes a magnetic core body 10, a first coil 20, a second coil 30, a first outer electrode layer 40, a second outer electrode layer 50, and a third outer electrode layer 60, the first coil 20 and the second coil 30 are embedded in the magnetic core body 10, the first outer electrode layer 40, the second outer electrode layer 50, and the third outer electrode layer 60 are disposed on a first side surface 11 of the magnetic core body 10, a first end of the first coil 20 is electrically connected to the first outer electrode layer 40, a first end of the second coil 30 is electrically connected to the second outer electrode layer 50, and a second end of the first coil 20 is electrically connected to a second end of the second coil 30 through the third outer electrode layer 60.
Here, the inductance element is provided with first coil 20 and second coil 30, and first coil 20 and second coil 30 can realize that an inductance element possesses two series connection's coil through outer electrode layer series connection, promotes inductance element's heavy current ability to can make inductance element satisfy the heavy current demand of circuit, and then promote electronic equipment's working property.
In this embodiment, the magnetic core body 10 may have a structure having a high magnetic permeability and a high magnetic flux density, and the magnetic core body 10 may be formed of a magnetic alloy material (e.g., manganese-zinc ferrite or nickel-zinc ferrite) or an amorphous material (e.g., iron-based amorphous alloy or iron-nickel-based amorphous alloy).
In addition, the shape and size of the magnetic core body 10 can be set according to actual requirements, and the magnetic core body 10 at least includes the first side surface 11 and the second side surface 12, the first coil 20 and the second coil 30 are disposed between the first side surface 11 and the second side surface 12, and the first outer electrode layer 40, the second outer electrode layer 50 and the third outer electrode layer 60 are disposed on the first side surface 11, specifically, the magnetic core body 10 can be a cylindrical or rectangular magnetic core body 10 including the first side surface 11 and the second side surface 12.
In this embodiment, the first coil 20 and the second coil 30 may be formed by winding wires, and the first coil 20 and the second coil 30 may be copper enameled coils or the like. Specifically, at least one of the first coil 20 and the second coil 30 includes a plurality of sub-coils 21 connected in series, and optionally, the plurality of sub-coils 21 are arranged in the magnetic core body 10 in an array manner, so as to improve the working performance of the inductance component.
The first coil 20 and the second coil 30 are embedded in the magnetic core body 10, and the first coil 20 and the second coil 30 may be stacked in a direction from the first side surface 11 to the second side surface 12; or, the central axis of the first coil 20 is parallel to the central axis of the second coil 30, and a plane where the central axis of the first coil 20 is located is perpendicular to the first side surface 11, so that the thickness of the inductance element can be reduced.
In addition, the first end of the first coil 20 is electrically connected to the first outer electrode layer 40, the first end of the second coil 30 is electrically connected to the second outer electrode layer 50, and the second end of the first coil 20 and the second end of the second coil 30 are electrically connected to each other through the third outer electrode layer 60, that is, the first coil 20 is electrically connected to the first outer electrode layer 40 and the third outer electrode layer 60, and the second coil 30 is electrically connected to the second outer electrode layer 50 and the third outer electrode layer 60.
In the case where the coil of the inductance element is composed of only the first coil 20 and the second coil 30, the first coil 20 and the second coil 30 are electrically connected to other circuits of the electronic device through the first outer electrode layer 40 and the second outer electrode layer 50, that is, the first outer electrode layer 40 and the second outer electrode layer 50 are soldered to a circuit board connected to an external circuit; and the third outer electrode layer 60 described above is used to connect the first coil 20 and the second coil 30 in series.
The inductance element may also be provided with two or more coils, specifically, the inductance element further includes a third coil and a fourth outer electrode layer, a first end of the third coil is electrically connected to the fourth outer electrode layer, a second end of the third coil and a first end of the second coil 30 are electrically connected through the second outer electrode layer 50, where the inductance element may be electrically connected to the circuit board through the first outer electrode layer 40 and the fourth outer electrode layer, and the series connection of the first coil 20, the second coil 30 and the third coil is realized through the second outer electrode layer 50 and the third outer electrode layer 60, so as to further improve the large-current capability of the inductance element, and further improve the stability of the electronic device.
Of course, the above-mentioned inductance element may also be provided with more coils connected in series, and the implementation principle is similar to the implementation principle of the above-mentioned inductance element provided with three coils (i.e. the first coil 20, the second coil 30 and the third coil), and no further description is provided herein.
In addition, the outer electrode layers (including the first outer electrode layer 40, the second outer electrode layer 50, the third outer electrode layer 60, and the fourth outer electrode layer) may be any electrode layer that is disposed on the first side 11 and has excellent electrical conductivity, and specifically, each of the first outer electrode layer 40, the second outer electrode layer 50, and the third outer electrode layer 60 includes a metal plating layer 41 (such as a copper plating layer or a silver glue plating layer), a nickel plating layer 42, and a tin plating layer 43 that are sequentially stacked, and the metal plating layer 41 is attached to the first side 11 and electrically connected to the corresponding coil, thereby improving the performance of each outer electrode layer.
In this embodiment, at least two coils are disposed in the inductance element, so that the inductance element generates a higher magnetic field radiation when operating, and thus the operation of other elements around the inductance element is affected, and the magnetic field radiation generated by other elements may also affect the operation of the inductance element.
In some embodiments, as shown in fig. 4, the inductance component further includes a first metal shield 71, the first metal shield 71 covers the second side 12 of the magnetic core body 10 away from the first side 11, and by disposing the metal shield on the second side 12 of the magnetic core body 10, the magnetic field radiated to the outside of the inductance component and the magnetic field radiated to the inductance component from the outside can be reduced, thereby reducing the influence of the inductance component on the operation of other components and improving the operation performance of the inductance component; in addition, by providing the first metal shield 71, the second side surface 12 of the magnetic core body 10 can be protected from external stress, and the possibility of damage to the magnetic core body 10 can be reduced.
The inductance element may be formed by providing a metal shielding layer only on the second side surface 12 of the magnetic core body 10; alternatively, in some embodiments, as shown in fig. 5, the inductance component further includes a second metal shielding part 72, where the second metal shielding part covers the side surfaces of the magnetic core body 10 except the first side surface 11 and the second side surface 12, so as to further improve the shielding performance of the electronic component, further reduce the influence of the inductance component on the operation of other components, and improve the operation performance of the inductance component.
In addition, the first metal shielding element 71 covers the second side surface 12, which may be implemented by plating, that is, the first metal shielding element 71 is a metal layer plated on the second side surface 12, so as to improve the firmness of the connection between the first metal shielding element 71 and the magnetic core body 10; or, as shown in fig. 6, the first metal shielding element 71 may also be adhered to the second side surface 12, and specifically, the inductance component further includes a heat-resistant adhesive layer 80, where the heat-resistant adhesive layer 80 is disposed between the first metal shielding element 71 and the second side surface 12, so that the connection manner between the first metal shielding element 71 and the magnetic core body 10 is more flexible.
Of course, the second metal shielding element 72 is disposed in a similar manner to the first shielding element, and will not be described herein again.
The metal shielding member may be any metal member having shielding performance, for example, a metal layer made of nickel or copper; the heat-resistant adhesive layer 80 may be a layer having adhesive properties and resistant to high temperatures (e.g., 270 ℃ or higher), and is not limited thereto.
Based on above-mentioned inductance element, the embodiment of the utility model provides a still provide an electronic equipment, including above-mentioned inductance element.
Since the structure of the electronic device body is the prior art, and the inductance element has been described in detail in the above embodiments, the detailed description of the structure of the electronic device in this embodiment is omitted.
The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. The utility model provides an inductance element, is applied to electronic equipment, its characterized in that, includes magnetic core body, first coil, second coil, first outer electrode layer, second outer electrode layer and third outer electrode layer, first coil with the second coil inlays to be located in the magnetic core body, first outer electrode layer, second outer electrode layer and third outer electrode layer set up in the first side of magnetic core body, the first end of first coil with first outer electrode layer electricity is connected, the first end of second coil with second outer electrode layer electricity is connected, and the second end of first coil with the second end of second coil passes through third outer electrode layer electricity is connected.
2. The inductive element of claim 1, further comprising a first metallic shield covering a second side of the magnetic core body distal from the first side.
3. The inductive element of claim 2, further comprising a second metallic shield covering sides of the magnetic core body other than the first side and the second side.
4. The inductive element of claim 2, wherein the first metallic shield is a metallic layer plated on the second side.
5. The inductive element of claim 2, further comprising a heat resistant glue layer disposed between the first metallic shield and the second side.
6. The inductance element according to claim 1, wherein each of the first, second and third outer electrode layers comprises a metal plating layer, a nickel plating layer and a tin plating layer sequentially stacked, and the metal plating layer is attached to the first side surface and electrically connected to the corresponding coil.
7. The inductance element according to claim 1, further comprising a third coil and a fourth outer electrode layer, wherein a first end of said third coil is electrically connected to said fourth outer electrode layer, and a second end of said third coil and a first end of said second coil are electrically connected through said second outer electrode layer.
8. The inductance element according to claim 1, wherein the central axis of said first coil and the central axis of said second coil are parallel, and a plane in which the central axis of said first coil and the central axis of said second coil are located is perpendicular to said first side surface.
9. The inductive element of claim 1, wherein the first coil and/or the second coil comprises a plurality of sub-coils connected in series, and wherein the plurality of sub-coils are arranged in an array within the core body.
10. An electronic device, characterized in that the electronic device comprises an inductive element according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498404.9U CN210896936U (en) | 2019-12-31 | 2019-12-31 | Inductance element and electronic equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922498404.9U CN210896936U (en) | 2019-12-31 | 2019-12-31 | Inductance element and electronic equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210896936U true CN210896936U (en) | 2020-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922498404.9U Active CN210896936U (en) | 2019-12-31 | 2019-12-31 | Inductance element and electronic equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210896936U (en) |
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2019
- 2019-12-31 CN CN201922498404.9U patent/CN210896936U/en active Active
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