CN219738716U

CN219738716U - Plug-in common mode inductor with lead protection package

Info

Publication number: CN219738716U
Application number: CN202321027812.6U
Authority: CN
Inventors: 程李广; 焦海波; 孙泷
Original assignee: Shenzhen Yinli Electric Appliances Manufacturing Co ltd
Current assignee: Shenzhen Yinli Electric Appliances Manufacturing Co ltd
Priority date: 2023-05-04
Filing date: 2023-05-04
Publication date: 2023-09-22
Anticipated expiration: 2033-05-04

Abstract

The utility model discloses an insert common-mode inductor with a lead protection package, which relates to the technical field of common-mode inductors and comprises an inductor body main body, wherein a base assembly is arranged outside the inductor body main body, heat-conducting silica gel is arranged between the inductor body main body and the base assembly, the top parts of the inductor body main body and the base assembly are jointly connected with an upper cover assembly, the upper cover assembly comprises an upper cover, two groups of pins are arranged at the top of the upper cover, wire holes are formed at two ends of each group of pins, two groups of notch grooves are formed in the outer surface of the upper cover, clamping grooves are formed in the inner surface of the bottom of the upper cover, pins of the two groups of coils penetrate through the wire holes through the pins, lengthening pins are formed, the four groups of lengthening pins are welded on a PCB main board respectively, other electronic components can be stacked in a supporting space, the main board stacking integration is realized, and the electrical safety between the electronic components is improved through the protection of the pins.

Description

Plug-in common mode inductor with lead protection package

Technical Field

The utility model relates to the technical field of common mode inductors, in particular to an insert common mode inductor with a lead protection package.

Background

Common mode inductance is widely used in various switching power supplies as an inductance for filtering electromagnetic interference signals of a common mode. The common mode inductor is formed by winding two groups of coils with opposite winding directions on a magnetic ring. Two groups of coil pins of the common-mode inductor are exposed and are welded on a PCB main board as an inserting component, so that the large-area main board is occupied, and the integration of stacking of main board elements is not suitable.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides an insert common-mode inductor with a lead protection package, which solves the problems that two groups of coil pins of the common-mode inductor are exposed, are welded on a PCB main board as an insert, occupy a large-area main board and are not suitable for integration of stacking main board elements.

In order to achieve the above purpose, the utility model is realized by the following technical scheme: the plug-in common mode inductor with the lead protection package comprises an inductor body, wherein a base component is arranged outside the inductor body, heat-conducting silica gel is arranged between the inductor body and the base component, and the top parts of the inductor body and the base component are connected with an upper cover component together;

the upper cover assembly comprises an upper cover, two groups of foot guards are arranged at the top of the upper cover, and wire holes are formed in two ends of each group of foot guards.

As a further technical scheme of the utility model, two groups of notch grooves are formed in the outer surface of the upper cover, and clamping grooves are formed in the inner surface of the bottom of the upper cover.

As a further technical scheme of the utility model, the base assembly comprises a base, two groups of lug plates are arranged on the outer surface of the top of the base, and two groups of lugs are connected to the outer surface of the base and positioned on two sides of the lug plates.

As a further technical scheme of the utility model, the upper cover is positioned at the top of the base, two groups of lug plates respectively penetrate through two groups of notch grooves, and a plurality of groups of protruding blocks are respectively positioned in a plurality of groups of clamping grooves.

As a further technical scheme of the utility model, the inductor body main body comprises a magnetic ring, wherein two groups of coils with opposite winding directions are wound outside the magnetic ring, and two groups of pins are arranged at the top of each group of coils.

As a further technical scheme of the utility model, the magnetic ring is positioned in the base, and each group of pins respectively pass through each group of wire holes and extend to the outside of the foot protector.

Advantageous effects

The utility model provides a plug-in common mode inductor with a lead protection package. Compared with the prior art, the method has the following beneficial effects:

1. the utility model provides a take plug-in components common mode inductance of lead protection encapsulation, makes the pin of two sets of coils all pass the line hole through setting up the guard leg, and then forms extension pin, welds four sets of extension pins respectively on the PCB mainboard, and the space that the guard leg supported can pile up other electronic component, realizes that the mainboard piles up the integration, through the protection of guard leg, increases the withstand electricity security between the electronic component.

2. A plug-in common mode inductor with a lead protection package enables a plurality of groups of protruding blocks to be respectively clamped in a plurality of groups of clamping grooves through pressing, so that an upper cover assembly and a base assembly are mutually clamped, and the structural strength of the inductor is improved.

Drawings

FIG. 1 is a schematic diagram of a package-on-package common mode inductor with a lead shield package;

fig. 2 is a schematic diagram of a split structure of a package common mode inductor with a lead protection package;

FIG. 3 is a schematic diagram of a base assembly in a package-in-package common mode inductor with a lead guard package;

FIG. 4 is a schematic view of a first view of a top cover assembly in a package with a lead guard package;

FIG. 5 is a schematic view of a second view of a top cover assembly in a package with a lead guard package;

fig. 6 is a schematic structural diagram of an inductor body in a package-in-package common mode inductor with a lead protection package.

In the figure: 1. a base assembly; 11. a base; 12. ear plates; 13. a bump; 2. an upper cover assembly; 21. an upper cover; 22. foot protection; 23. a wire hole; 24. a notch groove; 25. a clamping groove; 3. an inductor body; 31. a magnetic ring; 32. a coil; 33. pins; 4. and heat conducting silica gel.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

Referring to fig. 1-2, the present utility model provides a common mode plug-in inductor with a lead protection package, which comprises the following steps: the utility model provides a take plug-in components common mode inductance of lead protection encapsulation, includes inductor body main part 3, and the outside of inductor body main part 3 is provided with base subassembly 1, and is provided with heat conduction silica gel 4 between inductor body main part 3 and the base subassembly 1, and the top of inductor body main part 3 and base subassembly 1 is connected with upper cover subassembly 2 jointly.

It should be noted that, through the heat dissipation of embedment heat conduction silica gel 4 between inductor body main part 3 and base subassembly 1, reduce the product temperature rise, guarantee inductance stability and increase the life of product.

Referring to fig. 5-6, the upper cover assembly 2 includes an upper cover 21, two sets of guard feet 22 are provided at the top of the upper cover 21, wire holes 23 are provided at two ends of each set of guard feet 22, two sets of notch grooves 24 are provided on the outer surface of the upper cover 21, and a clamping groove 25 is provided on the inner surface of the bottom of the upper cover 21.

It should be noted that, upper cover 21 installs at the top of base 11, makes two sets of otic placode 12 pass two sets of breach grooves 24 respectively, and makes multiunit lug 13 block respectively in multiunit draw-in groove 25's inside, and then can make upper cover subassembly 2 and base subassembly 1 form the block structure, and the dismouting of being convenient for is comparatively convenient, through setting up two sets of guard feet 22, multiplicable and PCB mainboard between the distance to the space that the pin supported can pile up other electronic component, realizes that the mainboard piles up the integration, through the protection of pin, increases the withstand voltage security between the electronic component.

Referring to fig. 3, the base assembly 1 includes a base 11, two sets of lugs 12 are disposed on the top outer surface of the base 11, two sets of bumps 13 are connected to two sides of the lugs 12 on the outer surface of the base 11, an upper cover 21 is disposed on the top of the base 11, the two sets of lugs 12 respectively pass through two sets of notch grooves 24, and the plurality of sets of bumps 13 are respectively disposed in the plurality of sets of clamping grooves 25.

The quantitative heat conductive silica gel 4 was injected into the base 11 in advance, and the bottom of the inductor body 3 was placed into the base 11.

Referring to fig. 4, the inductor body 3 includes a magnetic ring 31, two sets of coils 32 with opposite winding directions outside the magnetic ring 31, two sets of pins 33 are disposed on top of each set of coils 32, the magnetic ring 31 is located inside the base 11, and each set of pins 33 respectively passes through each set of wire holes 23 and extends to the outside of the guard leg 22.

It should be noted that, two sets of pins 33 are provided at the top of each set of coils 32, and then the two sets of pins 33 at the top of one set of coils 32 respectively pass through the two sets of wire holes 23 at one end of the two sets of pins 22, the two sets of pins 33 at the top of the other set of coils 32 respectively pass through the two sets of wire holes 23 at the other end of the two sets of pins 22, and the four sets of elongated pins 33 are respectively soldered on the PCB motherboard.

The working principle of the utility model is as follows: when the inductor is used, firstly, two groups of coils 32 with opposite directions are wound outside the magnetic ring 31, then quantitative heat conduction silica gel 4 is injected into the base 11 in advance, then the bottom of the inductor body 3 is placed into the base 11, then the upper cover 21 is installed on the top of the base 11, two groups of pins 33 on the top of one group of coils 32 respectively penetrate through two groups of wire holes 23 at one end of two groups of guard feet 22, two groups of pins 33 on the top of the other group of coils 32 respectively penetrate through two groups of wire holes 23 at the other end of the two groups of guard feet 22, two groups of lug plates 12 respectively penetrate through two groups of notch grooves 24, and a plurality of groups of lugs 13 are respectively clamped in a plurality of groups of clamping grooves 25, and the upper cover assembly 2 and the base assembly 1 are mutually clamped by pressing;

the four groups of lengthened pins 33 are respectively welded on the PCB main board, other electronic components can be stacked in the space supported by the pins 22, the main board stacking integration is realized, and the electric resistance safety among the electronic components is improved through the protection of the pins 22.

Claims

1. The plug-in common mode inductor with the lead protection package is characterized by comprising an inductor body (3), wherein a base component (1) is arranged outside the inductor body (3), heat conduction silica gel (4) is arranged between the inductor body (3) and the base component (1), and the top parts of the inductor body (3) and the base component (1) are connected with an upper cover component (2) together;

the upper cover assembly (2) comprises an upper cover (21), two groups of guard feet (22) are arranged at the top of the upper cover (21), and wire holes (23) are formed in two ends of each group of guard feet (22).

2. The plug-in common mode inductor with the lead wire protection package according to claim 1, wherein two groups of notch grooves (24) are formed in the outer surface of the upper cover (21), and clamping grooves (25) are formed in the inner surface of the bottom of the upper cover (21).

3. The plug-in common mode inductor with the lead protection package according to claim 1, wherein the base assembly (1) comprises a base (11), two groups of lugs (12) are arranged on the outer surface of the top of the base (11), and two groups of lugs (13) are connected to the outer surface of the base (11) and located on two sides of the lugs (12).

4. A package with lead protection package according to claim 3, wherein the upper cover (21) is located at the top of the base (11), and two sets of ear plates (12) respectively pass through two sets of notch grooves (24), and the plurality of sets of protruding blocks (13) are respectively located inside the plurality of sets of clamping grooves (25).

5. The plug-in common mode inductor with the lead protection package according to claim 1, wherein the inductor body main body (3) comprises a magnetic ring (31), two groups of coils (32) with opposite winding directions are wound outside the magnetic ring (31), and two groups of pins (33) are arranged on the top of each group of coils (32).

6. A package according to claim 5, wherein the magnetic ring (31) is located inside the base (11), and each set of pins (33) passes through each set of wire holes (23) and extends outside the leg (22).