CN209993441U - Integrated structure of magnetic element - Google Patents

Integrated structure of magnetic element Download PDF

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Publication number
CN209993441U
CN209993441U CN201920995833.4U CN201920995833U CN209993441U CN 209993441 U CN209993441 U CN 209993441U CN 201920995833 U CN201920995833 U CN 201920995833U CN 209993441 U CN209993441 U CN 209993441U
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China
Prior art keywords
magnetic
magnetic element
integrated structure
magnetic core
base
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CN201920995833.4U
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Chinese (zh)
Inventor
刘钧
冯颖盈
姚顺
罗耀文
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Shenzhen Weimei New Energy Co Ltd
Shenzhen VMAX New Energy Co Ltd
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Shenzhen Weimei New Energy Co Ltd
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Abstract

The utility model discloses a magnetic element's integrated configuration, it includes: the base comprises a first mounting part and a second mounting part, the first magnetic element is mounted on the first mounting part, the second magnetic element is mounted on the second mounting part, and then the base provided with the first magnetic element and the second magnetic element is directly welded on the PCB through the welding pins without respectively welding each magnetic element, so that the welding difficulty of the magnetic elements is greatly reduced, and time and labor are saved; meanwhile, the first magnetic element and the second magnetic element are compact in structure, the welding area is saved, and the requirement for high power density is met.

Description

Integrated structure of magnetic element
Technical Field
The present invention relates to electromagnetic components, and more particularly, to an integrated structure of a magnetic component.
Background
With the requirement of a high-power-density power conversion power supply, the size of a magnetic element is required to be more miniaturized, and the magnetic element is particularly applied to the field of new energy sources such as an electric vehicle charger and the like. In a complete switching power supply, at least one inductor and at least one transformer are often required, so as to achieve the purpose of multi-output. The inductor and the transformer in the traditional switching power supply are independent elements and need to be welded in the switching power supply respectively, and because the magnetic elements are small in size, the welding difficulty is high, and time and labor are wasted during welding; meanwhile, the area occupied by the separate welding is large, and the requirement of high power density is limited.
SUMMERY OF THE UTILITY MODEL
The utility model provides a magnetic element's integrated configuration has solved among the prior art the magnetic element welding degree of difficulty of switching power supply and has just wasted time and energy the problem greatly.
The technical scheme of the utility model is that: an integrated structure of magnetic elements, comprising: the base comprises a first installation part and a second installation part, and welding pins penetrate through the base; a first magnetic element mounted on the first mounting portion; a second magnetic element mounted on the second mounting portion.
The first magnetic element includes: the two first magnetic cores are C-shaped, and the grooves of the two first magnetic cores are oppositely arranged; the first coils are wound on the grooves of the two first magnetic cores; the outer layer of embracing, it is equipped with to encircle the layer outward the welding foot, first magnetic core and first coil are located encircle the in situ outward, just encircle the layer outward through with the welding foot inserts thereby the base will first magnetic core and first coil are fixed on the base.
The first installation part is provided with an installation hole, and the welding foot is arranged on the installation hole in a penetrating mode.
The outer loop embraces the layer and includes two rows of inserting, insert the row and include the roof and locate respectively roof both sides first curb plate and second curb plate, keep away from on first curb plate and the second curb plate the tip of roof all is equipped with the welding foot, every first magnetic core and the first coil of coiling on this first magnetic core all set up in one row of inserting, just first curb plate is located in the recess, the second curb plate is located outside the recess.
The outer surrounding layer is made of copper.
The second magnetic element includes: the second magnetic core is a hollow cylinder, the second coil passes through the center of the second magnetic core and is wound on the second magnetic core, and a limiting structure for preventing the second magnetic element from separating from the second magnetic core is arranged on the second mounting part.
The limiting structure is a limiting column, and the second magnetic core is sleeved on the limiting column.
The base is made of plastic.
The first magnetic element and the second magnetic element are adhered to the base.
Compared with the prior art, the utility model has the advantages of: the utility model provides a magnetic element's integrated configuration, it includes: the base comprises a first mounting part and a second mounting part, the first magnetic element is mounted on the first mounting part, the second magnetic element is mounted on the second mounting part, and then the base provided with the first magnetic element and the second magnetic element is directly welded on the PCB through the welding pins without respectively welding each magnetic element, so that the welding difficulty of the magnetic elements is greatly reduced, and time and labor are saved; meanwhile, the first magnetic element and the second magnetic element are compact in structure, the welding area is saved, and the requirement for high power density is met.
Drawings
Fig. 1 is a schematic perspective view of an integrated structure of a magnetic element according to the present invention;
fig. 2 is an exploded view of the integrated structure of the magnetic element of the present invention;
fig. 3 is a schematic perspective view of the base of the present invention;
fig. 4 is a schematic view of a three-dimensional structure of the outer ring surrounding layer in the present invention.
Detailed Description
The principles and structure of the present invention will be described in detail below with reference to the accompanying drawings and examples.
The utility model provides a magnetic element's integrated configuration, as shown in fig. 1 and 2, the utility model provides a magnetic element's integrated configuration includes base 1, first magnetic element 2 and second magnetic element 3.
As shown in fig. 3, the base 1 includes a first mounting portion 11 and a second mounting portion 12, wherein the first mounting portion 11 is used for mounting the first magnetic element 2, and the second mounting portion 12 is used for mounting the second magnetic element 3.
Specifically, in one embodiment, the first magnetic element 2 is a transformer, the first magnetic element 2 specifically includes two first magnetic cores 21, the first magnetic cores 21 are C-shaped, the C-shaped first magnetic core 21 includes a groove, the grooves of the two first magnetic cores 21 are folded towards each other to jointly enclose a structure with a hollow middle and regular outer walls around, a first coil 22 is wound on each first magnetic core 21, wherein each first magnetic core 21 includes three outer walls, namely an outer wall arranged in the middle and two other outer walls arranged at two ends of the outer wall in the middle and perpendicular to the outer wall; the first coil 22 passes through the groove of the first magnetic core 21 and is wound on the outer wall of the middle of the first magnetic core 21;
a first coil 22 is wound outside the first magnetic core 21, an outer surrounding layer 23 is further arranged outside the first coil 22, and two outer surrounding layers 23 are also arranged, as shown in fig. 4, each outer surrounding layer 23 is a regularly bent plate body, the outer surrounding layer 23 includes a top plate 231, two sides of the top plate 231 are respectively provided with a first side plate 232 and a second side plate 233, the end parts, far away from the top plate 231, of the first side plate 232 and the second side plate 233 are respectively provided with a welding pin 234, the first side plate 232 is arranged in a groove of the first magnetic core 21, and the second side plate 233 is arranged outside the groove of the first magnetic core 21; wherein, the width of the first side plate 232 is smaller, and the width of the second side plate 233 is larger; the first side plates 232 of the two outer surrounding layers 23 are arranged side by side in the middle of the two first magnetic cores 21 folded oppositely, the outer surrounding layers 23 surround the first magnetic element 2, and the welding feet 234 of the outer surrounding layers 23 are inserted into the base 1, so that the first magnetic element 2 is limited on the base 1, and the first magnetic element 2 is prevented from moving.
As shown in fig. 3, the first mounting portion 11 includes side walls 112 disposed at upper and lower sides and support bases 113 disposed at left and right sides, respectively, the support bases 113 support the first magnetic core 21 at the first mounting portion 11, the first mounting portion 11 further includes a notch 114 at an inner side of the side walls 112, the notch 114 is disposed between the side walls 112 and the support bases 113, opposite walls of the two notches 114 disposed at the inner side of the side walls 112 sandwich the two first magnetic cores 21 folded toward each other, and the second side plate 233 is mounted in the notch 114. The first installation part 11 is provided with an installation hole 111, the welding feet 234 on the first side plate 232 and the second side plate 233 penetrate through the installation hole 111 and extend out of the bottom of the base 1, and when welding is performed, the welding feet penetrating out of the base 1 are directly welded on a PCB so that the integrated structure can be fixed on the PCB.
In one embodiment, the second magnetic element 3 is an inductor, the second magnetic element 3 includes a second magnetic core 31, the second magnetic core 31 is a hollow cylinder, two second magnetic cores 31 are provided, the second coil 32 passes through the center of the second magnetic core 31 and is wound on the outer wall of the second magnetic core 31, the second mounting portion 12 is a limiting structure that encloses a certain space on a bottom plate, a limiting structure that prevents the second magnetic element 3 from disengaging is further provided in the middle of the second mounting portion 12, the limiting structure is a limiting post 121, and the second magnetic core 31 is sleeved on the limiting post 121.
Preferably, the base 1 is made of plastic.
Preferably, the material of the outer surrounding layer 23 is copper.
Preferably, the first magnetic element 2 and the second magnetic element 3 are fixed to the base 1 by means of adhesion.
The first magnetic element and the second magnetic element are arranged on the base, and then the base provided with the first magnetic element and the second magnetic element is directly welded on the PCB through the welding pins without respectively welding each magnetic element, so that the welding difficulty of the magnetic elements is greatly reduced, and the welding work of the magnetic elements, particularly the inductor and the transformer in the switching power supply, is time-saving and labor-saving; meanwhile, the first magnetic element and the second magnetic element are compact in structure, the welding area is saved, and the requirement for high power density is met.
The above embodiments are only for illustrating the concept of the present invention, and those skilled in the art can make various modifications and changes under the concept of the present invention, and these modifications and changes are included in the protection scope of the present invention.

Claims (9)

1. An integrated structure of a magnetic element, comprising:
the base comprises a first installation part and a second installation part, and welding pins penetrate through the base;
a first magnetic element mounted on the first mounting portion;
a second magnetic element mounted on the second mounting portion.
2. The integrated structure of claim 1, wherein the first magnetic element comprises: the two first magnetic cores are C-shaped, and the grooves of the two first magnetic cores are oppositely arranged;
the first coils are wound on the grooves of the two first magnetic cores;
the outer layer of embracing, it is equipped with to encircle the layer outward the welding foot, first magnetic core and first coil are located encircle the in situ outward, just encircle the layer outward through with the welding foot inserts thereby the base will first magnetic core and first coil are fixed on the base.
3. The integrated structure of claim 2, wherein the first mounting portion has a mounting hole, and the welding foot is disposed through the mounting hole.
4. The integrated structure of claim 2, wherein the outer ring surrounding layer comprises two insert rows, each insert row comprises a top plate and a first side plate and a second side plate respectively disposed at two sides of the top plate, the welding pins are disposed at ends of the first side plate and the second side plate away from the top plate, each first magnetic core and a first coil wound on the first magnetic core are disposed in one insert row, the first side plate is disposed in the groove, and the second side plate is disposed outside the groove.
5. The integrated structure of claim 3 or 4, wherein the material of the outer hoop layer is copper.
6. The integrated structure of claim 1, wherein the second magnetic element comprises: the second magnetic core is a hollow cylinder, the second coil passes through the center of the second magnetic core and is wound on the second magnetic core, and a limiting structure for preventing the second magnetic element from separating from the second magnetic core is arranged on the second mounting part.
7. The integrated structure of claim 6, wherein the limiting structure is a limiting post, and the second magnetic core is sleeved on the limiting post.
8. The integrated structure of claim 1, wherein the base is made of plastic.
9. The integrated structure of claim 1, wherein the first and second magnetic elements are bonded to the base.
CN201920995833.4U 2019-06-28 2019-06-28 Integrated structure of magnetic element Active CN209993441U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201920995833.4U CN209993441U (en) 2019-06-28 2019-06-28 Integrated structure of magnetic element

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201920995833.4U CN209993441U (en) 2019-06-28 2019-06-28 Integrated structure of magnetic element

Publications (1)

Publication Number Publication Date
CN209993441U true CN209993441U (en) 2020-01-24

Family

ID=69297043

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201920995833.4U Active CN209993441U (en) 2019-06-28 2019-06-28 Integrated structure of magnetic element

Country Status (1)

Country Link
CN (1) CN209993441U (en)

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