CN213025736U

CN213025736U - Inductor magnetic core device and inductor

Info

Publication number: CN213025736U
Application number: CN202022244047.6U
Authority: CN
Inventors: 谢添才
Original assignee: Shenzhen Xinchangjia Technology Co ltd
Current assignee: Shenzhen Xinchangjia Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-20
Anticipated expiration: 2030-10-10

Abstract

The utility model belongs to the technical field of inductors, and discloses an inductor magnetic core device and an inductor, which comprises a magnetic core body, wherein electrodes are symmetrically connected with the top end of the magnetic core body at two sides, a winding groove is formed by the inner concave of the outer surface wall of the magnetic core body, a first groove is arranged on the outer wall of the winding groove, a second groove is arranged at the upper end and the lower end of the first groove, slots are symmetrically arranged on the two side walls of the first groove, a radiating fin is inserted between the two slots, a jack is arranged at the middle position of the upper surface wall of the radiating fin, and a heat conducting rod is inserted in the jack, and simultaneously, the function of the inductor can be effectively ensured.

Description

Inductor magnetic core device and inductor

Technical Field

The utility model belongs to the technical field of the inductor, concretely relates to inductor magnetic core device and inductor.

Background

An inductor is a component capable of converting electric energy into magnetic energy for storage, the inductor is similar to a transformer in structure but has only one winding, the inductor has a certain inductance which only hinders the change of current, and if the inductor is in a state that no current flows, the inductor tries to hinder the current from flowing through the inductor when a circuit is switched on; if the inductor is in a state of passing current, the inductor tries to maintain the current unchanged when the circuit is disconnected, and the inductor is also called a choke, a reactor and a dynamic reactor.

The inductor generally mainly comprises magnetic core and the metal coil of winding on the magnetic core, and the inductor can produce certain heat in the course of the work, but the radiating effect of present inductor magnetic core is relatively poor at present, is difficult to dispel the heat fast, reduces the effect of inductor easily, and causes the inductor to burn out the damage easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an inductor magnetic core device and inductor to it is relatively poor to solve the radiating effect who provides traditional inductor magnetic core among the above-mentioned background art, is difficult to fast heat dissipation, reduces the problem that the inductor acted on easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an inductor magnetic core device, includes the magnetic core body, the top both sides symmetric connection of magnetic core body has the electrode, and the exterior wall indent of magnetic core body forms the wire winding groove, first recess has been seted up to the outer wall in wire winding groove, the second recess has all been seted up to the upper and lower end of first recess, and the both sides wall symmetry of first recess has seted up the slot, and is relative two insert between the slot and be equipped with the fin, the jack has been seted up to the upper surface wall intermediate position department of fin, the inside of jack is inserted and is equipped with the heat-conducting rod, the inside of second recess is inserted and is equipped with the heat-conducting plate, the upper and lower end of heat-.

Preferably, a first insulating cushion layer is bonded to the bottom end of the magnetic core body, a second insulating cushion layer is bonded to the top end of the magnetic core body, and the electrode penetrates through the second insulating cushion layer and extends to the outside of the top end of the electrode.

Preferably, the two ends of the radiating fin are respectively bonded with a first heat conduction silica gel layer, and the outer end of the first heat conduction silica gel layer is in contact with the inner wall of the slot.

Preferably, the inner wall of the jack is bonded with a second heat-conducting silica gel layer, and the inner wall of the second heat-conducting silica gel layer is tightly attached to the heat-conducting rod.

Preferably, the magnetic core body is of an I-shaped structure, and the end part of the radiating fin is not larger than the outer port of the first groove.

An inductor comprising the inductor core assembly described above.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses an add first recess, second recess, heat-conducting rod and heat-conducting plate, can effectively derive the heat that produces in the inductor working process and scatter along heat-conducting rod and heat-conducting plate, avoided the inductor to burn out the defect of damage, prolonged the life of inductor, can effectively guarantee the effect of inductor simultaneously.

(2) The utility model discloses an add the fin of seting up the jack, and make the fin cup joint in the outside of heat conduction pole, can further accelerate thermal effluvium, can dispel the heat to the magnetic core fast, in addition, insert the heat radiation structure such as fin and the heat conduction pole of establishing the installation, be convenient for its follow-up unloading of unloading change.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a top view of the heat sink of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 1;

in the figure: 1. a magnetic core body; 2. a winding slot; 3. a heat conducting plate; 4. a heat conducting rod; 5. a first insulating pad layer; 6. a first groove; 7. a first heat-conducting silica gel layer; 8. a heat sink; 9. a second groove; 10. a second insulating pad layer; 11. an electrode; 12. a jack; 13. a second heat-conducting silica gel layer; 14. and (4) a slot.

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.

Referring to fig. 1-3, the present invention provides the following technical solutions: an inductor magnetic core device comprises a magnetic core body 1, wherein electrodes 11 are symmetrically connected to two sides of the top end of the magnetic core body 1, a winding groove 2 is formed in the inner concave of the outer wall of the magnetic core body 1, a first groove 6 is formed in the outer wall of the winding groove 2, second grooves 9 are formed in the upper end and the lower end of each first groove 6, slots 14 are symmetrically formed in two side walls of each first groove 6, a radiating fin 8 is inserted between every two opposite slots 14, a jack 12 is formed in the middle of the upper wall of each radiating fin 8, a heat conducting rod 4 is inserted into each jack 12, a heat conducting plate 3 is inserted into each second groove 9, the upper end and the lower end of each heat conducting rod 4 are in contact with the heat conducting plate 3, part of generated heat is dissipated through the radiating fins 8, the heat which is not dissipated is derived through the heat conducting rods 4 in the first grooves 6 and the heat conducting plates 3 in the second grooves 9, and the heat generated in the working process of an inductor, the defect that the inductor is burnt and damaged is avoided, and the service life of the inductor is prolonged.

Further, the bottom of magnetic core body 1 bonds and has first insulating bed course 5, and the top of magnetic core body 1 bonds and has second insulating bed course 10, and electrode 11 runs through second insulating bed course 10 and extends to its top outside, and the setting up of first insulating bed course 5 and second insulating bed course 10 can effectively increase the insulating properties of this magnetic core, improves the security.

Further, first heat conduction silica gel layer 7 has all been bonded at the both ends of fin 8, and the outer end of first heat conduction silica gel layer 7 contacts with the inner wall of slot 14, and the inner wall of jack 12 bonds has second heat conduction silica gel layer 13, and heat-conducting rod 4 is hugged closely to the inner wall of second heat conduction silica gel layer 13, and the speed of scattering can further accelerate thermal derivation of first heat conduction silica gel layer 7 and second heat conduction silica gel layer 13 add.

Further, magnetic core body 1 is the I shape structure, and the tip of fin 8 is no longer than the outer port of first recess 6, and fin 8 is located inside first recess 6, and is not evagination, can effectively avoid the interference to the wire winding.

An inductor comprises the inductor magnetic core device.

The utility model discloses a theory of operation and use flow: winding groove 2 is used for the winding to establish the coil, when using the device, the heat that produces partly via fin 8 and dispels, the heat that does not dispel is derived via heat-conducting rod 4 in the first recess 6 and the heat-conducting plate 3 in the second recess 9 and is dispelled and dispel, can effectively derive the heat that produces in the inductor working process along heat-conducting rod 4 and heat-conducting plate 3 and dispel, the defect that the inductor burns out the damage has been avoided, the life of inductor has been prolonged, in addition, the setting up of first insulating bed course 5 and second insulating bed course 10 can effectively increase the insulating properties of magnetic core body 1, the security of use is improved, in addition, the setting up of first heat conduction silica gel layer 7 and second heat conduction silica gel layer 13 can further accelerate the speed of dispelling of thermal derivation.

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. An inductor core assembly, characterized by: including magnetic core body (1), the top both sides symmetric connection of magnetic core body (1) has electrode (11), and the exterior wall indent of magnetic core body (1) forms wire winding groove (2), first recess (6) have been seted up to the outer wall in wire winding groove (2), second recess (9) have all been seted up to the upper and lower end of first recess (6), and the both sides wall symmetry of first recess (6) has seted up slot (14), and is relative two it has fin (8) to insert between slot (14), jack (12) have been seted up to the last wall intermediate position department of fin (8), the inside of jack (12) is inserted and is equipped with heat-conducting rod (4), the inside of second recess (9) is inserted and is equipped with heat-conducting plate (3), the upper and lower extreme of heat-conducting rod (4) all contacts with heat-conducting plate (3).

2. An inductor core assembly in accordance with claim 1, wherein: the bottom of magnetic core body (1) bonds has first insulating bed course (5), and the top of magnetic core body (1) bonds has second insulating bed course (10), electrode (11) run through second insulating bed course (10) and extend to its top outside.

3. An inductor core assembly in accordance with claim 1, wherein: the two ends of the radiating fin (8) are respectively bonded with a first heat-conducting silica gel layer (7), and the outer end of the first heat-conducting silica gel layer (7) is in contact with the inner wall of the slot (14).

4. An inductor core assembly in accordance with claim 1, wherein: and a second heat-conducting silica gel layer (13) is bonded on the inner wall of the jack (12), and the inner wall of the second heat-conducting silica gel layer (13) is tightly attached to the heat-conducting rod (4).

5. An inductor core assembly in accordance with claim 1, wherein: the magnetic core body (1) is of an I-shaped structure, and the end part of the radiating fin (8) is not more than the outer port of the first groove (6).

6. An inductor, characterized by: comprising an inductor core arrangement according to any of claims 1-5.