Coupling inductor

Abstract

The utility model discloses a coupling inductor, relates to inductor technical field, including casing and stabilizing component, the inside of casing is provided with the installation chamber, and the stabilizing component that is used for reducing circuit ripple and improving circuit stability is provided in the middle of installation chamber, and the stabilizing component includes magnetic core, air gap, inner column, inductance coil and terminal pin, an air gap is formed in the side edge of the magnetic core, an inner column is installed in the magnetic core, an inductance coil is installed outside the inner column, the end of the inductance coil is connected with a terminal pin, and an upper limiting block is installed at the upper end of the magnetic core. According to the coupling inductor, the magnetic core and the inner columns are made of the manganese-zinc power ferrite material or the metal powder material, coil windings of a product can be assembled on different inner columns on different frameworks, or coils are directly wound on the magnetic core, so that the product has good current characteristics, circuit ripples can be reduced, and the service life of the product is prolonged. And the circuit stability is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of inductors, and specifically relates to a coupled inductor. Background Art

[0002] As a most common electronic component, the inductor plays an irreplaceable role in the circuit and is widely used in the fields of communication, cloud computing, household appliances and even automotive manufacturing. In recent years, with the rapid development of technology, the popularization and construction of 5G networks, the wide application of cloud computing, and the research and development of 5.5G / 6G networks, the energy consumption problems in the fields of communication base stations, servers, data centers, household appliances, automobiles, industrial equipment, etc. have gradually become prominent and have become a key challenge that all industries must face. The miniaturization, high performance and energy saving of electronic components have become the common pursuit of the industry. The coupled inductor has become an important component in electronic design due to its compact design, high-efficiency magnetic coupling ability and advantages in multiphase applications. It is one of the important supporting components in the trend of energy saving, miniaturization and high performance of electronic devices.

[0003] However, when the existing coupled inductor is in use, the circuit ripple is relatively large, resulting in fluctuations in the current characteristics and affecting the use.

[0004] Therefore, in view of this, research and improvement are carried out on the existing structure and deficiencies, and a coupled inductor is provided. Content of the Utility Model

[0005] The purpose of the utility model is to provide a coupled inductor to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A coupled inductor includes a housing and a stabilizing component. An installation chamber is provided inside the housing. The stabilizing component for reducing the circuit ripple and improving the circuit stability is arranged in the middle of the installation chamber. The stabilizing component includes a magnetic core, an air gap, an inner column, an inductor coil and a lead pin. An air gap is provided on the side of the magnetic core, and an inner column is installed inside the magnetic core. The inductor coil is installed outside the inner column, and the end of the inductor coil is connected with the lead pin.

[0007] Further, the magnetic core and the inner column form an "eye" - shaped structure, and the inner columns are symmetrically distributed about the vertical central axis of the magnetic core.

[0008] Further, the magnetic core and the air gap are an integral structure, and there are two air gaps symmetrically arranged about the vertical central axis of the magnetic core.

[0009] Further, the number of the inductor coils is the same as that of the inner columns, and the inner columns and the magnetic core are an integral structure.

[0010] Furthermore, an upper limit block is installed at the upper end of the magnetic core, and the number of upper limit blocks is set to three.

[0011] Furthermore, an auxiliary limiting component is provided on the outer side of the air gap, and the number of auxiliary components is set to eight.

[0012] Furthermore, the auxiliary component includes a connecting block and a crossbar, and the crossbar is installed on the side of the connecting block.

[0013] Furthermore, a lower limit block is provided at the lower end of the magnetic core, and the number of lower limit blocks is three.

[0014] This invention provides a coupling inductor with the following advantages:

[0015] 1. This utility model uses manganese-zinc power ferrite material or metal powder material to make the magnetic core and inner column. The product coil winding can be assembled on different inner columns on different frames, or the coil can be directly wound on the magnetic core. This structure gives the product good current characteristics, can reduce circuit ripple, and improve circuit stability. It can be widely used in high current application fields such as photovoltaics, communications, and automobiles. No air gap is opened on the surface of the inner column to enhance coupling.

[0016] 2. This utility model uses upper and lower limit blocks to externally limit the magnetic core, increasing the stability of the magnetic core installation, while connecting blocks and crossbars increase the stability of the air gap. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the overall internal structure of a coupling inductor according to the present invention;

[0018] Figure 2 This is a schematic diagram of a stable component structure for a coupling inductor according to the present invention;

[0019] Figure 3 This is a schematic diagram of the overall structure of a coupling inductor according to the present invention.

[0020] In the diagram: 1. Outer shell; 2. Mounting chamber; 3. Stabilizing component; 301. Magnetic core; 302. Air gap; 303. Inner column; 304. Inductor coil; 305. Lead pin; 4. Upper limit block; 5. Auxiliary component; 501. Connecting block; 502. Crossbar; 6. Lower limit block. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] like Figure 1 and Figure 3 As shown in the figure, a coupled inductor includes a housing 1 and a stabilizing component 3. An installation chamber 2 is provided inside the housing 1. An upper limiting block 4 is installed at the upper end of the magnetic core 301. The upper limiting block 4 and the lower limiting block 6 are used for externally limiting the magnetic core 301, increasing the stability of the installation of the magnetic core 301. The number of the upper limiting blocks 4 is set to three. An auxiliary component 5 for auxiliary limiting is provided outside the air gap 302, and the number of the auxiliary components 5 is set to eight groups. The auxiliary component 5 includes a connecting block 501 and a cross bar 502, and the cross bar 502 is installed on the side of the connecting block 501. The connecting block 501 and the cross bar 502 increase the stability of the air gap 302. A lower limiting block 6 is provided at the lower end of the magnetic core 301, and the number of the lower limiting blocks 6 is set to three.

[0023] As Figure 2 shown in the figure, the stabilizing component 3 for reducing circuit ripple and improving circuit stability is arranged in the middle inside the installation chamber 2. The stabilizing component 3 includes a magnetic core 301, an air gap 302, an inner column 303, an inductor coil 304 and a lead pin 305. An air gap 302 is provided on the side of the magnetic core 301. The magnetic core 301 and the inner column 303 are made of manganese-zinc power ferrite material or metal powder material. The magnetic core 301 and the air gap 302 are of an integrated structure, and there are two air gaps 302 symmetrically arranged about the vertical central axis of the magnetic core 301. An inner column 303 is installed inside the magnetic core 301. The product coil windings can be assembled on different inner columns 303 on different skeletons, or the coil can be directly wound on the magnetic core 301. This structure enables the product to have good current characteristics, can reduce circuit ripple and improve the stability of the circuit, and can be widely applied to large current application fields such as photovoltaic, communication, and automotive. The magnetic core 301 and the inner column 303 form a "mu" - shaped structure, and the inner columns 303 are symmetrically distributed about the vertical central axis of the magnetic core 301. The inductor coil 304 is installed outside the inner column 303, and the number of the inductor coils 304 is the same as that of the inner columns 303. To enhance coupling, no air gap 302 is provided on the surface of the inner column 303, and the inner column 303 and the magnetic core 301 are of an integrated structure. The end of the inductor coil 304 is connected with a lead pin 305.

[0024] In summary, for this coupled inductor, first, according to Figures 1-3 the structure shown in the figure, the "mu" - shaped magnetic core 301 and inner column 303 are made of manganese - zinc power ferrite material or metal powder material. Install them inside the upper limiting block 4 and the lower limiting block 6, making the magnetic core 301 stably installed inside the housing 1. During installation, the product coil windings can be assembled on different inner columns 303 on different skeletons, or the coil can be directly wound on the magnetic core 301. This structure enables the product to have good current characteristics, can reduce circuit ripple and improve the stability of the circuit, and can be widely applied to large current application fields such as photovoltaic, communication, and automotive. At the same time, to enhance coupling, no air gap 302 is provided on the surface of the inner column 303.

[0025] The embodiments of this utility model are given for illustrative and descriptive purposes only, and are not intended to be exhaustive or to limit the utility model to the forms disclosed. Many modifications and variations will be apparent to those skilled in the art. The embodiments were chosen and described in order to better illustrate the principles and practical applications of this utility model, and to enable those skilled in the art to understand this utility model and design various embodiments with various modifications suitable for a particular purpose.

Claims

1. A coupled inductor, comprising a housing (1) and a stabilizing component (3), characterized in that, An installation chamber (2) is provided inside the outer shell (1). The stability component (3) for reducing circuit ripple and improving circuit stability is arranged in the middle inside the installation chamber (2). The stability component (3) includes a magnetic core (301), an air gap (302), an inner column (303), an inductor coil (304), and a lead pin (305). An air gap (302) is provided on the side of the magnetic core (301), and an inner column (303) is installed inside the magnetic core (301). The inductor coil (304) is installed outside the inner column (303), and the end of the inductor coil (304) is connected to the lead pin (305).

2. The coupled inductor according to claim 1, characterized in that, The magnetic core (301) and the inner column (303) form a "mu" - shaped structure, and the inner columns (303) are symmetrically distributed about the vertical central axis of the magnetic core (301).

3. A coupled inductor according to claim 1, characterized in that, The magnetic core (301) and the air gap (302) are of an integrated structure, and two air gaps (302) are symmetrically arranged about the vertical central axis of the magnetic core (301).

4. A coupled inductor according to claim 1, characterized in that, The number of the inductor coils (304) is the same as that of the inner columns (303), and the inner columns (303) and the magnetic core (301) are of an integrated structure.

5. A coupled inductor according to claim 1, characterized in that, An upper limit block (4) is installed at the upper end of the magnetic core (301), and the number of the upper limit blocks (4) is three.

6. A coupled inductor according to claim 1, characterized in that, An auxiliary component (5) for auxiliary limiting is arranged outside the air gap (302), and the number of the auxiliary components (5) is eight groups.

7. A coupled inductor according to claim 6, characterized in that, The auxiliary component (5) includes a connecting block (501) and a cross bar (502), and the cross bar (502) is installed on the side of the connecting block (501).

8. A coupled inductor according to claim 1, characterized in that, A lower limit block (6) is arranged at the lower end of the magnetic core (301), and the number of the lower limit blocks (6) is three.

Images