CN215815453U - Ferrite magnetic shielding patch power inductor - Google Patents
Ferrite magnetic shielding patch power inductor Download PDFInfo
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- CN215815453U CN215815453U CN202122157101.8U CN202122157101U CN215815453U CN 215815453 U CN215815453 U CN 215815453U CN 202122157101 U CN202122157101 U CN 202122157101U CN 215815453 U CN215815453 U CN 215815453U
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- Prior art keywords
- ferrite magnetic
- ferrite
- magnetic shielding
- shielding sheet
- power inductor
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- 229910000859 α-Fe Inorganic materials 0.000 title claims abstract description 47
- 238000004804 winding Methods 0.000 claims abstract description 17
- 238000002347 injection Methods 0.000 claims abstract description 4
- 239000007924 injection Substances 0.000 claims abstract description 4
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 claims description 3
- 229910001308 Zinc ferrite Inorganic materials 0.000 claims description 3
- 229910052748 manganese Inorganic materials 0.000 claims description 3
- 239000011572 manganese Substances 0.000 claims description 3
- AJCDFVKYMIUXCR-UHFFFAOYSA-N oxobarium;oxo(oxoferriooxy)iron Chemical compound [Ba]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O.O=[Fe]O[Fe]=O AJCDFVKYMIUXCR-UHFFFAOYSA-N 0.000 claims description 3
- WGEATSXPYVGFCC-UHFFFAOYSA-N zinc ferrite Chemical compound O=[Zn].O=[Fe]O[Fe]=O WGEATSXPYVGFCC-UHFFFAOYSA-N 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 4
- 239000000243 solution Substances 0.000 description 6
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 239000006247 magnetic powder Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model discloses a ferrite magnetic shielding patch power inductor which is provided with a shell, wherein a plurality of signal components are arranged in the shell, each signal component consists of a magnetic core and a winding, the winding is wound on the periphery of the corresponding magnetic core, two connecting ends are arranged outside the shell, one connecting end is electrically connected with one free end of the winding, and the other connecting end is electrically connected with the other free end of the winding; the signal assembly and the signal assembly are separated by the shielding assembly, and the shielding assembly comprises a ferrite magnetic shielding sheet and conductive plastic which is injection molded on the ferrite magnetic shielding sheet. The ferrite magnetic-shielding patch power inductor has a good shielding effect, and ensures the signal stability of the whole product.
Description
Technical Field
The utility model relates to the technical field of chip power inductors, in particular to a ferrite magnetic shielding chip power inductor.
Background
As electronic components are developed in a direction of miniaturization, low mounting thickness, low electromagnetic interference, and high efficiency, inductors inevitably meet such a trend. Therefore, there is a trend in the market to produce inductors with small size, low electromagnetic interference, high inductance, high saturation characteristics, and high efficiency. The chip power inductor is one of important products of electronic components, has the characteristics of high Q value, low impedance, capability of providing braid packaging and the like, and is widely applied to a switching power supply. The performance of the inductor directly affects the performance of the switching power supply, for example, miniaturization is beneficial to reducing the volume of the whole switching power supply; the low EMI ensures that electronic components cannot interfere with each other, and the higher-density packaging is realized; the high inductance value helps to reduce the ripple size of the switching power supply; the high saturation current can transmit more power; high efficiency can reduce its power consumption.
The patch power inductor mainly comprises three parts, namely a magnetic powder material, a conductive coil and a terminal electrode. The patch power inductors can be classified into three categories according to their manufacturing methods: wire wound chip inductors, integrally molded inductors, and multilayer chip inductors. However, the existing patch power inductor in the market still has some disadvantages in structural design, resulting in poor shielding effect, thereby affecting the signal stability of the whole patch power inductor.
SUMMERY OF THE UTILITY MODEL
The technical problem to be solved by the utility model is as follows: in order to solve the problems existing in the prior art, the ferrite magnetic shielding patch power inductor is good in shielding effect and ensures the signal stability of the whole product.
The technical scheme adopted by the utility model for solving the technical problems is as follows: a ferrite magnetic shielding patch power inductor comprises a shell, wherein a plurality of signal components are arranged inside the shell, each signal component consists of a magnetic core and a winding, the winding surrounds the periphery of the corresponding magnetic core, two connecting ends are arranged outside the shell, one connecting end is electrically connected with one free end of the winding, and the other connecting end is electrically connected with the other free end of the winding; the signal assembly and the signal assembly are separated by the shielding assembly, and the shielding assembly comprises a ferrite magnetic shielding sheet and conductive plastic which is injection molded on the ferrite magnetic shielding sheet.
Further specifically, in the above technical solution, the ferrite magnetic shielding sheet is made of any one of barium ferrite, manganese ferrite, and zinc ferrite.
Further specifically, in the above technical scheme, the ferrite magnetic shielding sheet is provided with a plurality of positioning pins, the conductive plastic is provided with a plurality of positioning holes, and the positioning pins are embedded into the corresponding positioning holes in a matching manner, so that the ferrite magnetic shielding sheet and the conductive plastic are quickly assembled.
Further specifically, prescribe a limit to, among the above-mentioned technical scheme, ferrite magnetic shield piece on be provided with a plurality of constant head tanks, electrically conductive plastic on be provided with a plurality of location feet, through locating the foot match embedding to the constant head tank that corresponds, and then realize ferrite magnetic shield piece and electrically conductive plastic's rapid Assembly.
Further specifically, in the above technical solution, the ferrite magnetic shielding sheet and the conductive plastic are integrated into a single structure.
The utility model has the beneficial effects that: the ferrite magnetic shielding patch power inductor provided by the utility model has the advantages of simple structure, reasonable design and good shielding effect, ensures the signal stability of the whole product, and is convenient for wide popularization and use.
Drawings
In order to more clearly illustrate the embodiments or technical solutions in the prior art of the present invention, the drawings used in the description of the embodiments or prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments described in the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of FIG. 1;
FIG. 3 is a first schematic view of the assembly of a ferrite magnetic shield sheet and a conductive plastic;
FIG. 4 is a second schematic view of the assembly of the ferrite magnetic shield sheet and the conductive plastic.
The reference numbers in the drawings are: 1. a housing; 2. a magnetic core; 3. a winding; 4. a connecting end; 5. ferrite magnetic shielding sheets; 6. conducting plastic; 5-1, positioning pins; 5-2, positioning grooves; 6-1, positioning holes; 6-2, positioning feet.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it is to be understood that the terms "one side", "the other side", "both sides", "between", "middle", "upper", "lower", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, e.g., as a fixed connection, a detachable connection, or an integral connection; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1, 2, 3 and 4, the ferrite magnetic shielding patch power inductor of the present invention has a housing 1, a plurality of signal components are arranged inside the housing 1, each signal component is composed of a magnetic core 2 and a winding 3, the winding 3 surrounds the periphery of the corresponding magnetic core 2, two connection ends 4 are arranged outside the housing 1, one of the connection ends 4 is electrically connected with one free end of the winding 3, and the other connection end 4 is electrically connected with the other free end of the winding; the signal component and the signal component are separated by a shielding component, and the shielding component comprises a ferrite magnetic shielding sheet 5 and conductive plastic 6 which is injection molded on the ferrite magnetic shielding sheet 5.
Wherein, the ferrite magnetic shielding sheet 5 is made of any one of barium ferrite, manganese ferrite and zinc ferrite. The ferrite magnetic shielding sheet 5 and the conductive plastic 6 are of an integral structure. The ferrite magnetic shielding sheet 5 is provided with a plurality of positioning pins 5-1, the conductive plastic 6 is provided with a plurality of positioning holes 6-1, and the positioning pins 5-1 are matched and embedded into the corresponding positioning holes 6-1, so that the ferrite magnetic shielding sheet 5 and the conductive plastic 6 are quickly assembled. Or, the ferrite magnetic shielding sheet 5 is provided with a plurality of positioning grooves 5-2, the conductive plastic 6 is provided with a plurality of positioning pins 6-2, and the positioning pins 6-2 are matched and embedded into the corresponding positioning grooves 5-2, so that the ferrite magnetic shielding sheet 5 and the conductive plastic 6 are quickly assembled.
This ferrite magnetic shield's paster power inductor, simple structure, reasonable in design, it is effectual to shield, guarantees the signal stability of whole product, is convenient for extensively promote and use.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (5)
1. A ferrite magnetic-shielding patch power inductor is characterized in that: the transformer comprises a shell (1), wherein a plurality of signal components are arranged in the shell (1), each signal component is composed of a magnetic core (2) and a winding (3), the winding (3) surrounds the periphery of the corresponding magnetic core (2), two connecting ends (4) are arranged outside the shell (1), one connecting end (4) is electrically connected with one free end of the winding (3), and the other connecting end (4) is electrically connected with the other free end of the winding; the signal assembly and the signal assembly are separated by a shielding assembly, and the shielding assembly comprises a ferrite magnetic shielding sheet (5) and conductive plastic (6) which is injection molded on the ferrite magnetic shielding sheet (5).
2. A ferrite magnetic shielded patch power inductor according to claim 1, characterized in that: the ferrite magnetic shielding sheet (5) is made of any one of barium ferrite, manganese ferrite and zinc ferrite.
3. A ferrite magnetic shielded patch power inductor according to claim 1, characterized in that: the ferrite magnetic shielding sheet (5) is provided with a plurality of positioning pins (5-1), the conductive plastic (6) is provided with a plurality of positioning holes (6-1), and the positioning pins (5-1) are matched and embedded into the corresponding positioning holes (6-1), so that the ferrite magnetic shielding sheet (5) and the conductive plastic (6) can be rapidly assembled.
4. A ferrite magnetic shielded patch power inductor according to claim 1, characterized in that: the ferrite magnetic shielding sheet (5) is provided with a plurality of positioning grooves (5-2), the conductive plastic (6) is provided with a plurality of positioning pins (6-2), and the positioning pins (6-2) are matched and embedded into the corresponding positioning grooves (5-2), so that the ferrite magnetic shielding sheet (5) and the conductive plastic (6) are rapidly assembled.
5. A ferrite magnetic shielded patch power inductor according to claim 1, characterized in that: the ferrite magnetic shielding sheet (5) and the conductive plastic (6) are of an integral structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157101.8U CN215815453U (en) | 2021-09-08 | 2021-09-08 | Ferrite magnetic shielding patch power inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122157101.8U CN215815453U (en) | 2021-09-08 | 2021-09-08 | Ferrite magnetic shielding patch power inductor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215815453U true CN215815453U (en) | 2022-02-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122157101.8U Active CN215815453U (en) | 2021-09-08 | 2021-09-08 | Ferrite magnetic shielding patch power inductor |
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| CN (1) | CN215815453U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116187377A (en) * | 2023-02-24 | 2023-05-30 | 昆山联滔电子有限公司 | A kind of manufacturing method of receiving component, RFID label and receiving component |
-
2021
- 2021-09-08 CN CN202122157101.8U patent/CN215815453U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116187377A (en) * | 2023-02-24 | 2023-05-30 | 昆山联滔电子有限公司 | A kind of manufacturing method of receiving component, RFID label and receiving component |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A Ferrite Magnetic Shielded SMT Power Inductor Effective date of registration: 20231212 Granted publication date: 20220211 Pledgee: Changxin Zhejiang rural commercial bank Limited by Share Ltd. Pledgor: Changxing Lifeng Electronic Co.,Ltd. Registration number: Y2023980070520 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |