CN213583423U

CN213583423U - Inductor that radiating effect is good

Info

Publication number: CN213583423U
Application number: CN202022940260.0U
Authority: CN
Inventors: 王运平
Original assignee: Shenzhen Wantai Rongli Photoelectric Technology Co ltd
Current assignee: Shenzhen Wantai Rongli Photoelectric Technology Co ltd
Priority date: 2020-12-10
Filing date: 2020-12-10
Publication date: 2021-06-29
Anticipated expiration: 2030-12-10

Abstract

The utility model discloses an inductor that radiating effect is good, including lower drain pan, seted up main recess down on the drain pan, the bottom fixed mounting of main recess has the magnetic core, and the magnetic core is cylindricly, and the outside parcel of magnetic core has the insulating layer, and the winding has copper coil on the magnetic core, and the bottom fixed mounting of drain pan has the pin down, and the draw-in groove has been seted up to the relative both sides of drain pan down, and the joint has last drain pan on the draw-in groove, has seted up the louvre on going up the drain pan, and the top fixed mounting who goes up the drain pan has a copper sheet, and circular through-hole has been: use the magnetic core that sendust made, the heat that effectual reduction magnetic core produced, simultaneously at the top installation copper sheet of last drain pan and with the magnetic core contact, can derive the heat that the magnetic core produced fast to the louvre has been seted up all around to last drain pan, is favorable to thermal discharge, prevents that the heat from piling up inside the inductor, promotes the radiating efficiency of inductor.

Description

Inductor that radiating effect is good

Technical Field

The utility model relates to an inductor, in particular to inductor that radiating effect is good belongs to electronic component technical field.

Background

An inductor is a component that can convert electrical energy into magnetic energy for storage. The inductor is similar in structure to a transformer, but has only one winding. The inductor has an inductance that only impedes the change in current. If the inductor is in a state where no current is passing, it will try to block the current from flowing through it when the circuit is on; if the inductor is in a current passing state, the inductor will try to keep the current unchanged when the circuit is opened. Inductors are also known as chokes, reactors, dynamic reactors.

Inductor is at the circular telegram during operation, and under the condition of high frequency, the magnetic pole molecule in the magnetic core constantly rotates the direction under alternating current, can rub and generate heat, and the electric current is big more, and the friction is high more, and it is also big more to generate heat, and traditional inductor will be around the magnetic core coil that has the copper line and install in insulating drain pan, and the heat that the inductor produced at the during operation can be piled up in insulating drain pan inside, leads to the temperature to rise, damages the inductor easily, needs to design an inductor that the radiating effect is good to this.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inductor that radiating effect is good to solve the relatively poor problem of inductor radiating effect who proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inductor that radiating effect is good, includes drain pan down, set up main recess on the drain pan down, the bottom fixed mounting of main recess has the magnetic core, the magnetic core is cylindricly, the outside parcel of magnetic core has the insulating layer, the winding has the copper coil on the magnetic core, the bottom fixed mounting of drain pan has the pin down, the draw-in groove has been seted up to the relative both sides of drain pan down, the joint has last drain pan on the draw-in groove, the louvre has been seted up on the last drain pan, the top fixed mounting of going up the drain pan has the copper sheet, circular through-hole has been seted up at the center.

As a preferred technical scheme of the utility model, go up the inside vice recess of having seted up of drain pan, the inside cross sectional area of vice recess equals with the cross sectional area of drain pan down, go up the fixed fixture block that is provided with in both sides that the drain pan inner wall is relative, the cross sectional area of fixture block is unanimous with the specification of draw-in groove.

As an optimal technical scheme of the utility model, the pin is made by metal copper, electric connection between pin and the copper coil.

As an optimal technical scheme of the utility model, the circular through-hole internal diameter that the copper sheet center was seted up is unanimous with the external diameter specification of magnetic core.

As an optimized technical scheme of the utility model, the magnetic core is made by indisputable silicon-aluminum material, the insulating layer is made by the ethylene propylene rubber.

As an optimized technical scheme of the utility model, lower drain pan and upper drain pan are made by the polyimide material.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model relates to an inductor that radiating effect is good has the heat and is difficult for piling up the characteristics that the radiating effect is good, specifically speaking:

the utility model relates to an inductor that radiating effect is good, fixed mounting has the magnetic core in the main recess that the drain pan was seted up under, the magnetic core is made by sendust material, when inductor temperature variation, the magnetism that sendust material made the magnetic core can keep in stable within range, and high magnetic flux density has, the good characteristic of low magnetic core loss, the heat of production is less, the top and the copper sheet contact of magnetic core simultaneously, can be with heat quick conduction to copper sheet, go up the drain hole of having seted up all around of drain pan, be favorable to discharging the heat of inside to the inductor outside, avoid the inside high heat dispersion that leads to of inductor, the effectual heat dispersion that promotes the inductor.

Drawings

Fig. 1 is a schematic view of the appearance three-dimensional structure of the present invention;

fig. 2 is a schematic perspective view of the lower bottom shell of the present invention;

fig. 3 is a schematic plan view of the upper bottom case of the present invention.

In the figure: 1. a lower bottom shell; 2. an upper bottom case; 3. a copper sheet; 4. a magnetic core; 5. a copper coil; 11. a pin; 12. a card slot; 13. a main groove; 21. heat dissipation holes; 22. a secondary groove; 23. a clamping block; 31. a circular through hole; 41. an insulating layer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides an inductor with good heat dissipation effect, including lower drain pan 1, main recess 13 has been seted up on the lower drain pan 1, the bottom fixed mounting of main recess 13 has magnetic core 4, magnetic core 4 is cylindric, the outside parcel of magnetic core 4 has insulating layer 41, the winding has copper coil 5 on the magnetic core 4, the bottom fixed mounting of lower drain pan 1 has pin 11, draw-in groove 12 has been seted up to the relative both sides of lower drain pan 1, the joint has last drain pan 2 on the draw-in groove 12, the louvre 21 has been seted up on going up the drain pan 2, the top fixed mounting of going up drain pan 2 has copper sheet 3, circular through-hole 31 has been seted up at.

Preferably, an auxiliary groove 22 is formed in the upper bottom shell 2, the cross-sectional area of the inner part of the auxiliary groove 22 is equal to that of the lower bottom shell 1, the lower bottom shell 1 can be wrapped to form a whole, the protection performance is improved, clamping blocks 23 are fixedly arranged on two opposite sides of the inner wall of the upper bottom shell 2, the cross-sectional area of each clamping block 23 is consistent with the specification of each clamping groove 12, and the clamping blocks 23 are clamped in the clamping grooves 12 of the lower bottom shell 1, so that the upper bottom shell 2 and the lower bottom shell 1 are firmly connected together, and looseness is prevented; the pin 11 is made of metal copper, so that the resistance is small, the current loss is low, the conductive performance is good, the pin 11 is electrically connected with the copper coil 5, and the inductor can be connected into an external circuit; the inner diameter of a circular through hole 31 formed in the center of the copper sheet 3 is consistent with the outer diameter specification of the magnetic core 4, the top of the magnetic core 4 can be clamped on the copper sheet 3, the copper sheet 3 is in contact with the magnetic core 4, the copper sheet 3 has good heat conductivity, heat generated by the magnetic core 4 can be rapidly conducted out of the inductor, and the inductor is prevented from being damaged due to overhigh temperature in the inductor; the magnetic core 4 is made of a sendust material, has the excellent characteristics of high magnetic flux density and low magnetic core loss, generates less heat, and the insulating layer 41 is made of ethylene propylene rubber, has excellent weather resistance and is beneficial to long-time stable work; the lower bottom shell 1 and the upper bottom shell 2 are made of polyimide materials, so that the flame-retardant plastic composite material has the excellent effects of good insulativity and flame retardance, and is good in size stability and long in service life.

The working principle is as follows:

when in specific use, the utility model relates to an inductor with good heat dissipation effect, the inductor is assembled and installed at a proper position to be put into normal use, the lower bottom shell 1 of the inductor is provided with a main groove 13, a magnetic core 4 made of sendust is fixedly installed at the inner bottom end of the main groove 13, the inductor has high magnetic flux density and good characteristics of low magnetic core loss, the generated heat is less, meanwhile, the magnetic core 4 is wrapped by an insulating layer 41 made of ethylene propylene rubber, the ethylene propylene rubber has good high temperature resistance and strong insulation, which is beneficial to the long-time stable work of the inductor, the upper bottom shell 2 is clamped on the lower bottom shell 1, the heat dissipation holes 21 are arranged around the upper bottom shell 2, the heat generated when the inductor is electrified to be discharged to the outside of the shell, the phenomenon that the heat is accumulated in the inductor to cause overhigh temperature is avoided, and the heat dissipation performance of, meanwhile, the copper sheets 3 are fixedly mounted at the top end of the upper bottom shell 2, the circular through holes 31 formed in the centers of the copper sheets 3 can be in contact with the top end of the magnetic core 4, the copper sheets 3 have good thermal conductivity, heat generated by the magnetic core 4 can be quickly led to the copper sheets 3, the heat inside the inductor is effectively reduced, and the heat dissipation performance of the inductor is greatly enhanced.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an inductor that radiating effect is good, includes drain pan (1) down, its characterized in that, main recess (13) have been seted up on drain pan (1) down, the bottom fixed mounting of main recess (13) has magnetic core (4), magnetic core (4) are cylindricly, the outside parcel of magnetic core (4) has insulating layer (41), the winding has copper coil (5) on magnetic core (4), the bottom fixed mounting of drain pan (1) has pin (11) down, draw-in groove (12) have been seted up to the relative both sides of drain pan (1) down, the joint has last drain pan (2) on draw-in groove (12), last drain hole (21) have been seted up on drain pan (2), the top fixed mounting of going up drain pan (2) has copper sheet (3), circular through-hole (31) have been seted up in the center of copper sheet (3).

2. The inductor with good heat dissipation effect of claim 1, wherein: an auxiliary groove (22) is formed in the upper bottom shell (2), the inner section area of the auxiliary groove (22) is equal to that of the lower bottom shell (1), clamping blocks (23) are fixedly arranged on two opposite sides of the inner wall of the upper bottom shell (2), and the section area of each clamping block (23) is consistent with the specification of the clamping groove (12).

3. The inductor with good heat dissipation effect of claim 1, wherein: the pin (11) is made of metal copper, and the pin (11) is electrically connected with the copper coil (5).

4. The inductor with good heat dissipation effect of claim 1, wherein: the inner diameter of a circular through hole (31) formed in the center of the copper sheet (3) is consistent with the outer diameter of the magnetic core (4).

5. The inductor with good heat dissipation effect of claim 1, wherein: the magnetic core (4) is made of iron-silicon-aluminum materials, and the insulating layer (41) is made of ethylene propylene rubber.

6. The inductor with good heat dissipation effect of claim 1, wherein: the lower bottom shell (1) and the upper bottom shell (2) are both made of polyimide materials.