Flat wire horizontally-wound integrated inductor

Abstract

The embodiment of the utility model discloses a flat wire horizontally-wound integrated inductor, the flat wire horizontally-wound integrated inductor comprises a magnetic shell, an air core coil, a pin assembly and a voltage-withstanding body, the air core coil is arranged in the magnetic shell, the air core coil comprises a coil body and an extension assembly, the extension assembly comprises a first extension part and a second extension part, and the first extension part and the second extension part are arranged in the magnetic shell. The first extension part extends from one end of the coil body towards the direction parallel to the bottom of the magnetic shell, and the second extension part extends from the first extension part towards the direction perpendicular to the bottom of the magnetic shell; the pin assembly is externally arranged on the magnetic shell and penetrates through the bottom of the magnetic shell to be connected with the second extension part; and the pressure-resistant body is arranged in the magnetic shell. According to the scheme, the voltage resistance of the flat wire horizontally-wound integrated inductor can be improved.

Description

Technical Field

[0001] The embodiments of the present application relate to the field of inductors, and particularly to a flat wire lying and winding integrated inductor. Background Art

[0002] An inductor is one of the most common components in electronic devices and is also an important component in a circuit. It is widely used in various circuits and can achieve functions such as filtering, energy storage, matching, and resonance. A flat wire lying and winding integrated inductor is one of them.

[0003] Most of the current mainstream flat wire lying and winding integrated inductors adopt a bottom electrode structure. Due to the relatively small electrode spacing in this structure, the overall product withstand voltage level is low, and the risk of high-frequency short circuit (low Q) is relatively high, bringing quality hidden dangers. Utility Model Content

[0004] The embodiments of the present application provide a flat wire lying and winding integrated inductor, which can improve the withstand voltage of the flat wire lying and winding integrated inductor.

[0005] The embodiments of the present application provide a flat wire lying and winding integrated inductor, including:

[0006] A magnetic shell;

[0007] An air-core coil, the air-core coil is disposed in the magnetic shell. The air-core coil includes a coil body and an extension component. The extension component includes a first extension part and a second extension part. The first extension part extends from one end of the coil body in a direction parallel to the bottom of the magnetic shell, and the second extension part extends from the first extension part in a direction perpendicular to the bottom of the magnetic shell;

[0008] A pin component, the pin component is disposed outside the magnetic shell, and the pin component passes through the bottom of the magnetic shell and is connected to the second extension part;

[0009] A withstand voltage body, the withstand voltage body is disposed in the magnetic shell.

[0010] In the flat wire lying and winding integrated inductor provided by the embodiments of the present application, the withstand voltage body is disposed at the bottom of the magnetic shell and is located between the two extension components.

[0011] In the flat wire lying and winding integrated inductor provided by the embodiments of the present application, the withstand voltage body is disposed on a side of the coil body facing the pin component.

[0012] In the flat wire lying and winding integrated inductor provided by the embodiments of the present application, the hollow part of the withstand voltage body is aligned with the hollow part of the coil body.

[0013] In the flat wire lying and winding integrated inductor provided by the embodiments of the present application, the withstand voltage body has insulation.

[0014] In the flat wire horizontally wound integrated inductor provided in the embodiment of the present application, the material resistivity of the voltage-resistant body is greater than the voltage-resistant resistivity of the magnetic shell.

[0015] In the flat wire horizontally wound integrated inductor provided in the embodiment of the present application, the magnetic shell has a first magnetic property.

[0016] In the flat wire horizontally wound integrated inductor provided in the embodiment of the present application, the voltage-resistant body has a second magnetic property.

[0017] In summary, the flat wire horizontally wound integrated inductor provided in the embodiment of the present application includes a magnetic shell, an air-core coil, a pin assembly and a pressure-resistant body, wherein the air-core coil is built into the magnetic shell, and the air-core coil includes a coil body and an extension assembly, and the extension assembly includes a first extension portion and a second extension portion, the first extension portion extends from one end of the coil body in a direction parallel to the bottom of the magnetic shell, and the second extension portion extends from the first extension portion in a direction perpendicular to the bottom of the magnetic shell; the pin assembly is externally disposed on the magnetic shell, and the pin assembly passes through the bottom of the magnetic shell and is connected to the second extension portion; the pressure-resistant body is internally disposed in the magnetic shell. This scheme can improve the pressure resistance of the flat wire horizontally wound integrated inductor by arranging a pressure-resistant body in the magnetic shell, thereby effectively reducing the risk of product breakdown due to insufficient pressure resistance between electrodes. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without creative work.

[0019] Figure 1 It is a schematic diagram of the structure of a flat wire horizontally wound integrated inductor provided in an embodiment of the present application.

[0020] Figure 2 This is a first structural schematic diagram of the flat wire horizontally wound integrated inductor provided in an embodiment of the present application after the magnetic shell is removed.

[0021] Figure 3 This is a second structural schematic diagram of the flat wire horizontally wound integrated inductor provided in an embodiment of the present application after the magnetic shell is removed. DETAILED DESCRIPTION

[0022] Exemplary embodiments will be described in detail herein, and examples thereof are shown in the accompanying drawings. When the following description refers to the accompanying drawings, unless otherwise indicated, the same numbers in different drawings represent the same or similar elements. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present application. On the contrary, they are merely examples of devices and methods consistent with some aspects of the present application as detailed in the appended claims.

[0023] Unless otherwise defined, all technical and scientific terms used in the present application have the same meaning as commonly understood by those of ordinary skill in the technical field to which the present application belongs. The terms used in the description of the present application in this specification are only for the purpose of describing specific embodiments and are not intended to limit the present application. The term "and / or" used in the present application includes any and all combinations of one or more of the associated listed items.

[0024] It should be understood that when an element or layer is referred to as being "on", "adjacent to", "connected to" or "coupled to" another element or layer, it can be directly on, adjacent to, connected or coupled to the other element or layer, or intervening elements or layers may be present. In contrast, when an element is referred to as being "directly on", "directly adjacent to", "directly connected to" or "directly coupled to" another element or layer, there are no intervening elements or layers. It should be understood that although the terms first, second, third, etc. may be used to describe various elements, components, regions, layers and / or parts, these elements, components, regions, layers and / or parts should not be limited by these terms. These terms are only used to distinguish one element, component, region, layer or part from another element, component, region, layer or part. Thus, the first element, component, region, layer or part discussed below may be denoted as the second element, component, region, layer or part without departing from the teachings of the present application.

[0025] Spatial relationship terms such as "under", "below", "beneath", "underneath", "above", "over", "on top", "below", "up", "down", etc. may be used herein for convenience of description to describe the relationship of one element or feature shown in the figure with other elements or features. It should be understood that, in addition to the orientations shown in the figure, spatial relationship terms are also intended to include different orientations of the device during use and operation. For example, if the device in the drawing is flipped, then an element or feature described as "under other elements" or "beneath it" or "under it" will be oriented "above" the other elements or features. Thus, the exemplary terms "under" and "beneath" can include both the upper and lower orientations. The device can be oriented otherwise (rotated 90 degrees or other orientations) and the spatial descriptors used herein are interpreted accordingly. In addition, terms such as "first", "second", etc. are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] Most of the current mainstream flat wire wound-in-one inductors adopt a bottom electrode structure. Due to the relatively small electrode spacing, the overall voltage withstand level of the product is low, and the risk of high-frequency short circuit (low Q) is relatively high, bringing quality hidden dangers.

[0027] Based on this, an embodiment of the present application provides a flat wire wound-in-one inductor. The technical solution shown in the present application will be described in detail below through specific embodiments. It should be noted that the description order of the following embodiments does not limit the priority order of the embodiments.

[0028] Please refer to Figures 1-3 , the flat wire wound-in-one inductor provided by the embodiment of the present application includes a magnetic shell 10, an air core coil 20, a pin assembly 30, and a voltage withstand body 40.

[0029] Among them, the air core coil 20 is built into the magnetic shell 10. The air core coil 20 includes a coil body 21 and an extension assembly 22. The extension assembly 22 includes a first extension portion 221 and a second extension portion 222. The first extension portion 221 extends from one end of the coil body 21 in a direction parallel to the bottom of the magnetic shell 10, and the second extension portion 222 extends from the first extension portion 221 in a direction perpendicular to the bottom of the magnetic shell 10. The pin assembly 30 is externally disposed on the magnetic shell 10, and the pin assembly 30 passes through the bottom of the magnetic shell 10 and is connected to the second extension portion 222; the voltage withstand body 40 is built into the magnetic shell 10.

[0030] Among them, the magnetic shell 10 is a precision-pressed integrally formed magnet. The magnetic shell 10 is closely integrated with the air core coil 20, jointly constituting the core part of the inductor, providing a necessary magnetic path for the inductor to store and release energy.

[0031] Among them, the voltage-resistant body 40 is a precision-pressed integrally formed magnet, and it is a precision-pressed integral structure with the magnetic shell 10. It should be noted that the magnetic shell 10 has a first magnetism, and the voltage-resistant body 40 has a second magnetism. The resistivity of the material of the voltage-resistant body 40 is greater than the voltage-resistant resistivity of the magnetic shell 10, thereby effectively improving the voltage resistance of the product between the electrodes. It can be understood that the first magnetism and the second magnetism are two opposite magnetisms.

[0032] In a specific implementation process, the magnetic shell 10 and the voltage-resistant body 40 are an integral structure formed by pre-molding.

[0033] Among them, the coil body is a key component of the inductor. It is wound by flat copper wire, providing an energy storage carrier, a low-resistance path, improving the inductor efficiency and reducing energy loss.

[0034] In some embodiments, as Figure 2 shown, the voltage-resistant body 40 is disposed at the bottom of the magnetic shell 10 and is located between the two extension components 22.

[0035] In another embodiment, as Figure 3 shown, the voltage-resistant body 40 is disposed on the side of the coil body 21 facing the pin component 30. In this embodiment, the hollow portion of the voltage-resistant body 40 is aligned with the hollow portion of the coil body 21. And the voltage-resistant body 40 has insulation.

[0036] It should be noted that the material of the voltage-resistant body 40 includes but is not limited to magnetic materials, and the material of the voltage-resistant body can also be ceramics, plastics, etc.

[0037] In summary, the flat wire flat-wound integrated inductor provided by the embodiments of the present application includes a magnetic shell 10, an air-core coil 20, a pin component 30, and a voltage-resistant body 40. Among them, the air-core coil 20 is built into the magnetic shell 10. The air-core coil 20 includes a coil body 21 and an extension component 22. The extension component 22 includes a first extension portion 221 and a second extension portion 222. The first extension portion 221 extends from one end of the coil body 21 along a direction parallel to the bottom of the magnetic shell 10, and the second extension portion 222 extends from the first extension portion 221 along a direction perpendicular to the bottom of the magnetic shell 10; the pin component 30 is externally disposed on the magnetic shell 10, and the pin component 30 passes through the bottom of the magnetic shell 10 and is connected to the second extension portion 222; the voltage-resistant body 40 is built into the magnetic shell 10. This solution can improve the voltage resistance of the flat wire flat-wound integrated inductor by setting the voltage-resistant body 40 in the magnetic shell 10, thereby effectively reducing the risk of the product being broken down due to insufficient voltage resistance between the electrodes.

[0038] The above has introduced in detail the flat wire wound-in-one inductor provided by the present application. Specific examples are used in the present application to elaborate on the principle and implementation manner of the present application. The description of the above embodiments is only used to help understand the core idea of the present application; at the same time, for those skilled in the art, according to the idea of the present application, there will be changes in the specific implementation manner and application scope. In summary, the content of this specification should not be construed as a limitation to the present application.

Claims

1. A flat wire wound-in-one inductor, characterized in that, Comprising: Magnetic shell; Air-core coil, the air-core coil is built in the magnetic shell, the air-core coil includes a coil body and an extension component, the extension component includes a first extension part and a second extension part, the first extension part extends from one end of the coil body along a direction parallel to the bottom of the magnetic shell, and the second extension part extends from the first extension part along a direction perpendicular to the bottom of the magnetic shell; Pin component, the pin component is externally disposed on the magnetic shell, and the pin component passes through the bottom of the magnetic shell and is connected to the second extension part; Voltage-resistant body, the voltage-resistant body is built in the magnetic shell.

2. The flat wire wound-in-one inductor according to claim 1, wherein The voltage-resistant body is arranged at the bottom of the magnetic shell and is located between the two extension components.

3. The flat wire wound-in-one inductor according to claim 1, characterized in that, The voltage-resistant body is arranged on one side of the coil body facing the pin component.

4. The flat wire wound-in-one inductor according to claim 3, characterized in that, The hollow part of the voltage-resistant body is aligned with the hollow part of the coil body.

5. The flat wire wound-in-one inductor according to claim 4, characterized in that, The voltage-resistant body has insulation.

6. The flat wire wound-in-one inductor according to any one of claims 1-5, characterized in that, The resistivity of the material of the voltage-resistant body is greater than the voltage-resistant resistivity of the magnetic shell.

7. The flat wire wound-in-one inductor according to any one of claims 1-5, characterized in that The magnetic shell has a first magnetism.

8. The flat wire wound-in-one inductor according to any one of claims 1-4, characterized in that, The voltage-resistant body has a second magnetism.

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