CN219040220U

CN219040220U - Magnetic bar inductor

Info

Publication number: CN219040220U
Application number: CN202223206338.1U
Authority: CN
Inventors: 彭伟宏; 张志锋; 黄海英
Original assignee: Haining Lianfeng Dongjin Electronics Co ltd
Current assignee: Haining Lianfeng Dongjin Electronics Co ltd
Priority date: 2022-11-30
Filing date: 2022-11-30
Publication date: 2023-05-16
Anticipated expiration: 2032-11-30

Abstract

The utility model discloses a magnetic bar inductor, comprising: the flat vertical winding coil comprises a coil part and a pin part, wherein the coil part is formed by encircling a coil, the pin part comprises a first wiring terminal and a second wiring terminal, the coil part comprises a plurality of coil layers, and gaps exist between each coil layer; the framework is sleeved with a flat vertical winding coil; the magnetic core is wrapped with a framework; the bottom plate is provided with a first through hole and a second through hole corresponding to the first wiring terminal and the second wiring terminal respectively; the gasket is fixedly arranged at the bottom of the bottom plate; the magnetic core is arranged on the bottom plate, the first wiring terminal penetrates through the first through hole to extend to the bottom of the bottom plate, and the second wiring terminal penetrates through the second through hole to extend to the bottom of the bottom plate. According to the magnetic rod inductor, a certain gap is separated between each coil layer of the flat vertical coil through the framework, so that the heat dissipation area of the flat vertical coil is greatly increased, and the current density can be 8-10A/mm < 2 > or even larger.

Description

Magnetic bar inductor

Technical Field

The utility model relates to the technical field of inductors, in particular to a magnetic bar inductor.

Background

In the design of the current inductor, when the copper wire is excessively high in current, the copper wire can generate heat seriously, even the upper limit temperature which can be born by the product is exceeded, namely the temperature exceeds the standard, the current density of the copper wire limited by temperature rise cannot be designed to be too high, and the conventional natural heat dissipation current density is approximately: 4-6A/mm ² The smaller current density necessitates the use of copper wire of larger cross-sectional area, which increases the overall cost of the product and provides no cost advantage.

Based on the above situation, the utility model provides a magnetic bar inductor, which can effectively solve one or more of the above problems.

Disclosure of Invention

The utility model aims to provide a magnetic rod inductor. The magnetic bar inductor has simple structure and convenient use, and certain gaps are separated between each coil layer of the flat vertical coil through the framework, so that the heat dissipation area of the flat vertical coil is greatly increased, and the current density can be 8-10A/mm ² Even larger.

The utility model is realized by the following technical scheme:

a bar magnet inductor comprising:

a flat standing coil including a coil portion and a pin portion, the coil portion including a first terminal and a second terminal, the coil portion including a plurality of coil layers, a gap being present between each of the coil layers;

the framework is sleeved with a flat vertical winding coil;

the magnetic core is wrapped with a framework;

the base plate is provided with a first through hole and a second through hole corresponding to the first wiring terminal and the second wiring terminal respectively;

the gasket is fixedly arranged at the bottom of the bottom plate;

the magnetic core is arranged on the bottom plate, the first wiring terminal penetrates through the first through hole to extend to the bottom of the bottom plate, and the second wiring terminal penetrates through the second through hole to extend to the bottom of the bottom plate.

The utility model aims to provide a magnetic rod inductor. The magnetic bar inductor has a simple structure and is convenient to use, and a certain gap is separated between each coil layer of the flat vertical coil through the framework, so that the heat dissipation area of the flat vertical coil is greatly increased, and the current density can be 8-10A/mm < 2 > or even larger.

Preferably, the skeleton is including supporting riser, annular plate and cross fixed strip, the annular plate has been set firmly to cross fixed strip bottom, annular plate bottom equidistance is equipped with four and supports the riser, it is equipped with a plurality of annular plates to support the equidistance on the riser, wherein two symmetries set up be equipped with first stopper group and second stopper group on supporting the riser respectively, first stopper group includes a plurality of first stoppers, second stopper group includes a plurality of second stoppers, just the quantity of first stopper and second stopper is the same, every the height of first stopper all is greater than the height of the second stopper rather than corresponding.

Preferably, the magnetic core is a magnetic core rod body.

Preferably, the bottom plate is an epoxy bottom plate.

Preferably, the gasket is an epoxy plate tin-permeable gasket.

Compared with the prior art, the utility model has the following advantages:

the magnetic bar inductor has a simple structure and is convenient to use, and a certain gap is separated between each coil layer of the flat vertical coil through the framework, so that the heat dissipation area of the flat vertical coil is greatly increased, and the current density can be 8-10A/mm < 2 > or even larger.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of another view of the present utility model;

FIG. 3 is a schematic structural view of the skeleton of the present utility model;

fig. 4 is a schematic structural view of the flat standing coil according to the present utility model.

Detailed Description

In order that those skilled in the art will better understand the technical solutions of the present utility model, preferred embodiments of the present utility model will be described below with reference to specific examples, but it should be understood that the drawings are for illustrative purposes only and should not be construed as limiting the present patent; for the purpose of better illustrating the embodiments, certain elements of the drawings may be omitted, enlarged or reduced and do not represent the actual product dimensions; it will be appreciated by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationship depicted in the drawings is for illustrative purposes only and is not to be construed as limiting the present patent.

Example 1:

as shown in fig. 1 to 4, the present utility model provides a bar magnet inductor comprising:

a flat standing coil 1, wherein the flat standing coil 1 comprises a coil part 11 formed by encircling a coil and a pin part 12, the pin part 12 comprises a first terminal 121 and a second terminal 122, the coil part 11 comprises a plurality of coil layers, and gaps are arranged between each coil layer;

the framework 2 is sleeved with a flat vertical winding coil 1;

the magnetic core 3 is wrapped with the framework 2;

a bottom plate 4, wherein a first through hole and a second through hole are respectively arranged on the bottom plate 4 corresponding to the first wiring terminal 121 and the second wiring terminal 122;

the gasket 5 is fixedly arranged at the bottom of the bottom plate 4;

wherein, the magnetic core 3 is arranged on the bottom plate 4, the first wiring terminal 121 extends to the bottom of the bottom plate 4 through the first through hole, and the second wiring terminal 122 extends to the bottom of the bottom plate 4 through the second through hole.

Example 2:

the framework 2 is sleeved with a flat vertical winding coil 1;

the magnetic core 3 is wrapped with the framework 2;

the gasket 5 is fixedly arranged at the bottom of the bottom plate 4;

wherein the magnetic core 3 is disposed on the bottom plate 4, the first terminal 121 extends to the bottom of the bottom plate 4 through the first through hole 41, and the second terminal 122 extends to the bottom of the bottom plate 4 through the second through hole 42.

Gaps exist between each coil layer of the flat vertical coil 1, and heat dissipation efficiency between the coil layers is improved.

Further, in another embodiment, the framework 2 includes a supporting riser 21, an annular plate 22 and a cross fixing strip 23, the annular plate 22 is fixedly arranged at the bottom of the cross fixing strip 23, four supporting risers 21 are equidistantly arranged at the bottom of the annular plate 22, a plurality of annular plates 22 are equidistantly arranged on the supporting riser 21, a first limiting block group 211 and a second limiting block group 212 are respectively arranged on the supporting riser 21, two symmetrically arranged limiting blocks are respectively arranged, the first limiting block group 211 includes a plurality of first limiting blocks, the second limiting block group 212 includes a plurality of second limiting blocks, the number of the first limiting blocks and the number of the second limiting blocks are the same, and the height of each first limiting block is larger than that of the corresponding second limiting block.

The first stopper group 211 and the second stopper group 212 are provided, so that the coil layers of the flat standing coil 1 around the framework 2 are separated, and the heat dissipation effect is further improved.

Further, in another embodiment, the magnetic core 3 is a magnetic core 3 rod body.

Further, in another embodiment, the base plate 4 is an epoxy base plate 4.

Further, in another embodiment, the gasket 5 is an epoxy plate tin-permeable gasket 5.

The magnetic bar inductor of the present utility model can be easily manufactured or used by those skilled in the art based on the description of the present utility model and the accompanying drawings, and can produce the positive effects described in the present utility model.

Unless specifically stated otherwise, in the present utility model, if there are terms such as "length", "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., the positional relationship indicated is based on the positional relationship indicated in the drawings, and is merely for convenience of describing the present utility model and simplifying the description, and it is not necessary to indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, so that the terms describing the positional relationship in the present utility model are merely for exemplary illustration and should not be construed as limitations of the present patent, and it is possible for those skilled in the art to understand the specific meaning of the above terms in conjunction with the drawings and according to the specific circumstances.

Unless specifically stated or limited otherwise, the terms "disposed," "connected," and "connected" herein are to be construed broadly, e.g., they may be fixed, removable, or integral; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The foregoing description is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model in any way, and any simple modification, equivalent variation, etc. of the above embodiment according to the technical matter of the present utility model fall within the scope of the present utility model.

Claims

1. A bar magnet inductor, comprising:

the framework is sleeved with a flat vertical winding coil;

the magnetic core is wrapped with a framework;

the gasket is fixedly arranged at the bottom of the bottom plate;

2. The bar magnet inductor of claim 1, wherein: the framework comprises a supporting vertical plate, an annular plate and a cross fixing strip, the annular plate is fixedly arranged at the bottom of the cross fixing strip, four supporting vertical plates are arranged at the bottom of the annular plate at equal intervals, a plurality of annular plates are arranged on the supporting vertical plates at equal intervals, a first limiting block group and a second limiting block group are respectively arranged on the supporting vertical plates and symmetrically arranged, the first limiting block group comprises a plurality of first limiting blocks, the second limiting block group comprises a plurality of second limiting blocks, the number of the first limiting blocks and the number of the second limiting blocks are the same, and the height of each first limiting block is larger than that of the corresponding second limiting block.

3. The bar magnet inductor of claim 1, wherein: the magnetic core is a magnetic core rod body.

4. The bar magnet inductor of claim 1, wherein: the bottom plate is an epoxy bottom plate.

5. The bar magnet inductor of claim 1, wherein: the gasket is an epoxy plate tin-penetrating gasket.