CN220491709U - Multi-center column ferrite core - Google Patents

Abstract

The utility model relates to a multi-center column ferrite core, which is applied to the technical field of magnetic cores and solves the problems that after the existing magnetic core works for a long time, the energy loss of the magnetic core is increased, the efficiency is reduced and the loss of electric quantity is increased during the work; the magnetic core energy-saving type heat dissipation device has the advantages that the magnetic core energy-saving type heat dissipation device can be discharged through the heat dissipation channel, has a good heat dissipation effect, reduces the loss of magnetic core energy, improves the working efficiency, reduces the loss of electric quantity, and saves electricity.

Description

Multi-center column ferrite core

Technical Field

The utility model is applied to the technical field of magnetic cores, and particularly relates to a multi-center-column ferrite magnetic core.

Background

Ferrite core is a high frequency magnetic conduction material, is commonly used in products such as transformers, and has the main functions of shielding electromagnetic noise, increasing magnetic permeability and improving inductance quality.

The prior patent publication No. CN212303321U announces a multi-center column special-shaped magnetic core, which comprises a bottom plate, a cylindrical center column vertically arranged on the bottom plate and side columns arranged on the bottom plate, wherein at least two center columns are arranged, each side column comprises side columns I symmetrically arranged on two ends of the length direction of the bottom plate and side columns II arranged between the two center columns, the distance between each center column and the corresponding side columns on two sides is equal, one side surface of each side column I facing the center column and two side surfaces of each side column II are respectively provided with an arc-shaped groove surface, and the arc-shaped groove surfaces are arranged on the side columns on two sides of the center column axis corresponding to the arc-shaped groove surfaces and the opposite arc-shaped groove surfaces on the same circumference. When the magnetic core is used, a plurality of groups or single groups of coils can be wound according to actual requirements, the occupied space is small, and the heat dissipation performance is good.

The above description has the disadvantage that the side posts between two adjacent center posts extend from one end to the other end in the width direction of the bottom plate, and are not provided with heat dissipation holes or heat dissipation channels, that is, the heat dissipation effect is poor.

Disclosure of Invention

The utility model aims to provide a multi-center column ferrite core, which solves the problems that the energy loss of the magnetic core is increased, the efficiency is reduced and the loss of electric quantity is increased during working after the existing magnetic core works for a long time.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a multi-center-column ferrite core, which comprises a bottom plate and side columns symmetrically arranged on the upper end face of the bottom plate, wherein a plurality of center columns are arranged between the upper end face of the bottom plate and the two side columns, magnetic core legs are arranged between two adjacent center columns and on two sides of the width direction of the bottom plate, the distance from the side face of each magnetic core leg facing the center column to the side face of each center column is the same, and the distance from the side face of each side column facing the center column to the side face of each center column is the same as the distance from the side face of each magnetic core leg facing the center column to the side face of each center column.

Further, the side surface of the side column facing the middle column and the two side surfaces of the magnetic core foot facing the middle column are both arc-shaped groove surfaces, and the arc-shaped groove surfaces are arranged on the corresponding coaxial lines of the middle column.

Further, the cross section of the magnetic core leg is triangular or inverted trapezoid.

Further, the distance between the opposite surfaces of the core legs on both sides in the width direction of the base plate is larger than the width of the core legs.

Further, openings are symmetrically formed in the bottom plate and located on two sides of the width direction of the center pillar.

Further, the heights of the side posts and the magnetic core legs are larger than the height of the middle post.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the utility model discloses a multi-center-column ferrite core, which comprises a bottom plate and side columns symmetrically arranged on the upper end face of the bottom plate, wherein a plurality of center columns are arranged between the upper end face of the bottom plate and the two side columns, magnetic core legs are arranged between two adjacent center columns and on two sides of the width direction of the bottom plate, the distance from the side face of each magnetic core leg facing the center column to the side face of each center column is the same, and the distance from the side face of each side column facing the center column to the side face of each center column is the same as the distance from the side face of each magnetic core leg facing the center column to the side face of each center column. The heat that produces after the magnetic core circular telegram of this structure can be through the heat dissipation passageway discharge, has better radiating effect, reduces the loss of magnetic core energy, improves work efficiency and reduces the loss of electric quantity, practices thrift the power consumption.

Drawings

Some specific embodiments of the utility model will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is an isometric view of an overall structure in an embodiment of the utility model;

FIG. 2 is a top view of the overall structure in an embodiment of the utility model;

fig. 3 is a front view of the overall structure in the embodiment of the present utility model.

Wherein reference numerals are as follows:

1. a bottom plate; 2. a side column; 3. a center column; 4. a magnetic core leg; 5. a heat dissipation channel; 6. an arc-shaped groove surface; 7. and (5) a notch.

Detailed Description

The following description of the embodiments of the present utility model will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the utility model are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In addition, the technical features of the different embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.

Referring to fig. 1, 2 and 3, the present utility model provides a multi-center ferrite core, which includes a bottom plate 1 and side columns 2 symmetrically disposed on an upper end surface of the bottom plate 1, wherein a plurality of center columns 3 are disposed between two side columns 2 on the upper end surface of the bottom plate 1, core legs 4 are disposed between two adjacent center columns 3 and on two sides of the bottom plate 1 in a width direction, a distance from a side surface of the core leg 4 facing the center column 3 to a side surface of the center column 3 is the same (i.e., a1=a2), and a distance A3 from a side surface of the side column 2 facing the center column 3 to a side surface of the center column 2 is the same as a distance A1 from a side surface of the core leg 4 facing the center column 2 to a side surface of the center column 2. Compared with the existing integrated magnetic core, the multi-center column ferrite magnetic core with the structure can wind single or multiple groups of coils according to actual needs in the using process, can connect the plug with coils positioned at the two most sides on the bottom plate 1 if multiple coils are needed, and can connect the plug with coils at the two sides of a certain center column 3 if only a single coil is needed, so that the problem of large occupied space caused by the adoption of the magnetic cores with multiple single center columns in the prior art can be solved flexibly, and the multi-center column ferrite magnetic core can be singly used; the heat dissipation device has a good heat dissipation effect, namely when the magnetic core is electrified and works for a long time, a large amount of heat is easy to generate in the magnetic core, two magnetic core legs 4 are arranged between two adjacent center posts 3, the two magnetic core legs 4 are respectively positioned at two sides of the width direction of the bottom plate 1, a heat dissipation channel 5 is formed between the two magnetic core legs 4, and the heat generated in the magnetic core can be discharged through the heat dissipation channel 5 (the position indicated by an arrow in fig. 1), so that the loss of the energy of the magnetic core is reduced. The working efficiency is improved, the electric quantity loss is reduced, and the electricity is saved.

Referring to fig. 1, 2 and 3, the side surface of the side column 2 facing the center column and the two side surfaces of the magnetic core leg facing the center column are both arc-shaped groove surfaces 6, and the arc-shaped groove surfaces 6 are arranged on the same axis of the corresponding center column 3. When the coil is wound on the center pillar, the contact area of the side pillar 2, the magnetic core foot 4 and the coil can be increased by arranging the side pillar 2 and the magnetic core foot 4 to face the side surface of the center pillar 3 to form an arc-shaped groove surface 6, so that the stability and the firmness of the coil in the magnetic core are increased.

Referring to fig. 1, 2 and 3, the cross section of the core leg 4 is arranged in a triangle or inverted trapezoid. Under the condition of ensuring the normal work of the magnetic core, the magnetic core with the structure is processed by arranging the triangular or inverted trapezoid magnetic core 4 feet, so that the use of processing raw materials is reduced, and the production cost is saved.

Referring to fig. 1, 2 and 3, the distance between the opposite surfaces of the core leg 4 located at both sides of the width direction of the base plate 1 is larger than the width of the core leg 4, so as to improve the heat dissipation effect of the core of this structure.

Referring to fig. 1, 2 and 3, the base plate 1 is symmetrically provided with a gap 7 at both sides of the width direction of the center pillar 3, and the size of the gap 7 can be designed according to the size of the space for installing the magnetic core in the device, so that the magnetic core can be conveniently installed in the device.

Referring to fig. 1, 2 and 3, the height of the leg, core leg, is greater than the height of the center leg. Through the arrangement of the structure, the magnetic flux of the magnetic core is larger, the magnetic flux is not easy to saturate, the magnetic field inductance stability is better, and the magnetic core works more stably.

The above embodiments are only for illustrating the technical concept and features of the present utility model, and are intended to enable those skilled in the art to understand the present utility model and to implement the same, but are not intended to limit the scope of the present utility model, and all equivalent changes or modifications made according to the spirit of the present utility model should be included in the scope of the present utility model.

Claims (6)

1. The utility model provides a many center pillar ferrite core, is in including bottom plate (1) and symmetry side column (2) of bottom plate (1) up end, bottom plate (1) up end just is located two be provided with a plurality of center pillar (3) between side column (2), its characterized in that, adjacent two between center pillar (3) and be located bottom plate (1) width direction's both sides all are provided with magnetic core foot (4), magnetic core foot (4) face the side of center pillar (3) extremely the interval between the side of center pillar (3) is the same, just side column (2) face the side of center pillar (3) extremely the interval between the side of center pillar (3) with magnetic core foot (4) face the side of center pillar (3) extremely the interval between the side of center pillar (3) is also the same.

2. The multi-center ferrite core according to claim 1, wherein both sides of the side leg (2) facing the center leg (3) and both sides of the core leg (4) facing the center leg (3) are provided with arc-shaped groove surfaces (6), and the arc-shaped groove surfaces (6) are provided with the corresponding center leg (3) coaxial line.

3. Multi-leg ferrite core according to claim 1 or 2, characterized in that the core legs (4) are arranged with a triangular or inverted trapezoidal cross section.

4. A multi-leg ferrite core according to claim 3, characterized in that the spacing between the opposing faces of the core legs (4) on both sides in the width direction of the base plate (1) is larger than the width of the core legs (4).

5. The multi-center ferrite core according to claim 4, wherein the base plate (1) is symmetrically provided with notches (7) on both sides in the width direction of the center pillar (3).

6. The multi-leg ferrite core according to claim 5, characterized in that the height of the leg (2), the core leg (4) is greater than the height of the leg (3).