CN218182005U

CN218182005U - Flat line inductance of segmentation air gap

Info

Publication number: CN218182005U
Application number: CN202222386534.5U
Authority: CN
Inventors: 曾伟; 汪成章; 潘小荣
Original assignee: Shenzhen Maixiang Technology Co ltd
Current assignee: Shenzhen Maixiang Technology Co ltd
Priority date: 2022-09-05
Filing date: 2022-09-05
Publication date: 2022-12-30
Anticipated expiration: 2032-09-05

Abstract

The utility model relates to the technical field of inductance, a flat line inductance of segmentation air gap is disclosed, include: first magnet and the second magnet of relative setting, the middle part of first magnet is equipped with first magnetic core, the middle part of second magnet is equipped with the second magnetic core, the second magnetic core with be equipped with air gap baffle and magnetism post between the first magnetic core in proper order, the winding of magnetism post has flat coil, flat coil is including the coil body that is the heliciform setting, the both ends correspondence of coil body is extended there are first pin and second pin. Through being equipped with air gap baffle and magnetic column between second magnetic core and the first magnetic core in proper order, the magnetic column winding has flat coil, and then provides a flat line inductance of segmentation air gap, through having increased air gap quantity, the effectual loss that reduces marginal magnetic flux and bring has promoted the working property of inductor to the fungible stranded silk envelope curve new forms of energy transformer.

Description

Flat line inductance of segmentation air gap

Technical Field

The utility model relates to the technical field of inductance, especially, relate to a flat line inductance of segmentation air gap.

Background

In the prior art, a traditional new energy transformer adopts a mode of winding a plurality of strands of wire-covered wires in parallel, firstly, a manual winding machine is used for winding wires, gummed paper is wound, then, a wire-covered wire film is cut by scissors, soldering tin is removed by winding copper wires with pins, after the tin is soldered, copper wires are removed, and then, the copper wires are hammered by a hammer, so that the process is complex.

Therefore, how to provide a segmented air gap flat line inductor to replace a multi-strand covered wire new energy transformer becomes an urgent technical problem to be solved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in how to provide a flat line inductance of segmentation air gap to replace stranded silk envelope curve new forms of energy transformer.

To this end, according to a first aspect, an embodiment of the present invention discloses a flat line inductance of segmentation air gap, include: first magnet and the second magnet of relative setting, the middle part of first magnet is equipped with first magnetic core, the middle part of second magnet is equipped with the second magnetic core, the second magnetic core with be equipped with air gap baffle and magnetism post between the first magnetic core in proper order, the winding of magnetism post has flat coil, flat coil is including the coil body that is the heliciform setting, the both ends correspondence of coil body is extended there are first pin and second pin.

The utility model discloses further set up to, first magnetic core cup jointed be used for right pancake coil carries out insulating divided first coil baffle, the second magnetic core cup jointed be used for right pancake coil carries out insulating divided second coil baffle.

The utility model discloses further set up to, first coil baffle with second coil baffle is FR4 epoxy insulation board.

The utility model discloses further set up as, the bottom of second magnet is provided with the bottom plate.

The utility model discloses further set up to, be equipped with on the bottom plate and be used for the first through-hole that first pin passed, still be equipped with on the bottom plate and be used for the second through-hole that the second pin passed.

The utility model discloses further set up to, the bottom plate is the FR4 insulation board.

The utility model discloses further set up to, the air gap baffle with the magnetism post is all established to three.

The utility model discloses further set up to, the inside wall of first magnet is equipped with the first concave cambered surface of two relative settings, the inside wall of second magnet is equipped with the second concave cambered surface of two relative settings.

The utility model discloses following beneficial effect has: through being equipped with air gap baffle and magnetic column between second magnetic core and the first magnetic core in proper order, the magnetic column winding has flat coil, and then provides a flat line inductance of segmentation air gap, through having increased air gap quantity, the effectual loss that reduces marginal magnetic flux and bring has promoted the working property of inductor to the fungible stranded silk envelope curve new forms of energy transformer.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a segmented air gap flat wire inductor disclosed in this embodiment;

FIG. 2 is an exploded view of a segmented air gap flat wire inductor according to the present disclosure;

FIG. 3 is a partial structural diagram of a segmented air gap flat wire inductor according to the present disclosure;

fig. 4 is a schematic structural diagram of a pancake coil in a segmented air gap flat wire inductor disclosed in this embodiment.

Reference numerals are as follows: 1. a first magnet; 11. a first magnetic core; 12. a first concave arc surface; 2. a second magnet; 21. a second magnetic core; 22. a second concave arc surface; 3. an air gap spacer; 4. a magnetic column; 5. a flat coil; 51. a coil body; 52. a first pin; 53. a second pin; 6. a first coil separator; 7. a second coil separator; 8. a base plate; 81. a first through hole; 82. a second via.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the two elements may be directly connected or indirectly connected through an intermediate medium, or may be connected through the inside of the two elements, or may be connected wirelessly or through a wire. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. 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.

Furthermore, the technical features mentioned in the different embodiments of the invention described below can be combined with each other as long as they do not conflict with each other.

The embodiment of the utility model discloses flat line inductance of segmentation air gap, as shown in fig. 1-4, include: first magnet 1 and the second magnet 2 of relative setting, the middle part of first magnet 1 is equipped with first magnetic core 11, the middle part of second magnet 2 is equipped with second magnetic core 21, be equipped with air gap baffle 3 and magnetic column 4 between second magnetic core 21 and the first magnetic core 11 in proper order, the winding of magnetic column 4 has flat coil 5, flat coil 5 is including being the coil body 51 of heliciform setting, the both ends correspondence of coil body 51 is extended and is had first pin 52 and second pin 53. In the specific implementation process, the air gap partition plate 3 is fixedly bonded with the second magnetic core 21, and the first magnetic body 1 is fixedly bonded with the second magnetic body 2.

It should be noted that, the air gap partition plate 3 and the magnetic column 4 are sequentially arranged between the second magnetic core 21 and the first magnetic core 11, and the flat coil 5 is wound on the magnetic column 4, so that a segmented air gap flat line inductor is provided, the loss caused by the edge magnetic flux is effectively reduced by increasing the number of air gaps, and the working performance of the inductor is improved, so that the transformer can replace a multi-strand wire-covered new energy transformer.

Note that the flat coil 5 is an enameled flat coil 5. The problems of poor heat dissipation, large coil volume, low power and the like of the round enameled wire are solved, and the novel wire has the advantages of good heat dissipation performance, small coil volume, high power and the like.

As shown in fig. 2 and 3, the first coil separator 6 for insulating and separating the flat coil 5 is fitted over the first magnetic core 11, and the second coil separator 7 for insulating and separating the flat coil 5 is fitted over the second magnetic core 21.

As shown in fig. 2 and 3, the first coil spacer 6 and the second coil spacer 7 are each an FR4 epoxy insulating board.

As shown in fig. 2 and 3, the bottom of the second magnet 2 is provided with a bottom plate 8.

As shown in fig. 1 to 3, the bottom plate 8 is provided with a first through hole 81 for the first pin 52 to pass through, and the bottom plate 8 is further provided with a second through hole 82 for the second pin 53 to pass through. It should be noted that the first pin 52 penetrates out of the first through hole 81, and the second pin 53 penetrates out of the second through hole 82, so that the first pin 52 and the second pin 53 are conveniently limited.

As shown in fig. 1-3, the backplane 8 is an FR4 dielectric board.

As shown in fig. 2 and 3, the number of the air-gap spacer 3 and the number of the magnetic pole 4 are three. It should be noted that the air gap partition plates 3 are fixedly bonded with the magnetic columns 4, and the number of the air gaps is further increased because the number of the air gap partition plates 3 is three, the loss caused by the edge magnetic flux is effectively reduced, and the working performance of the inductor is improved, so that the transformer can replace a multi-strand covered wire new energy transformer.

As shown in fig. 1-3, the inner side wall of the first magnet 1 is provided with two oppositely arranged first concave arc surfaces 12, and the inner side wall of the second magnet 2 is provided with two oppositely arranged second concave arc surfaces 22. In the specific implementation process, gaps exist between the flat coil 5 and the first concave arc surface 12 and between the flat coil 5 and the second concave arc surface 22, so that heat dissipation is facilitated for the flat coil 5.

The working principle is as follows: be equipped with air gap baffle 3 and magnetic column 4 between second magnetic core 21 and the first magnetic core 11 in proper order, the 4 twines of magnetic column has pancake coil 5, and then provides a flat line inductance of segmentation air gap, through having increased air gap quantity, the effectual loss that reduces marginal magnetic flux and bring has promoted the working property of inductor to the fungible many strands of silk envelope curve new forms of energy transformer.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications can be made without departing from the scope of the invention.

Claims

1. A segmented air gap flat wire inductor, comprising: first magnet (1) and second magnet (2) that set up relatively, the middle part of first magnet (1) is equipped with first magnetic core (11), the middle part of second magnet (2) is equipped with second magnetic core (21), second magnetic core (21) with be equipped with air gap baffle (3) and magnetic column (4) between first magnetic core (11) in proper order, magnetic column (4) winding has flat coil (5), flat coil (5) are including being coil body (51) of heliciform setting, the both ends correspondence of coil body (51) is extended and is had first pin (52) and second pin (53).

2. Segmented air-gap flat wire inductance according to claim 1, characterized in that the first magnetic core (11) is sleeved with a first coil spacer (6) for insulating separation of the flat coil (5), and the second magnetic core (21) is sleeved with a second coil spacer (7) for insulating separation of the flat coil (5).

3. A segmented air gap flat wire inductor according to claim 2, characterized in that the first coil spacer (6) and the second coil spacer (7) are both FR4 epoxy insulation boards.

4. A segmented air-gap flat wire inductor according to claim 1, characterized in that the bottom of the second magnet (2) is provided with a bottom plate (8).

5. The segmented air-gap flat wire inductor according to claim 4, wherein the base plate (8) is provided with a first through hole (81) for the first pin (52) to pass through, and the base plate (8) is further provided with a second through hole (82) for the second pin (53) to pass through.

6. A segmented air gap flat wire inductor according to claim 4 or 5, characterized in that the bottom plate (8) is an FR4 insulator plate.

7. A segmented air-gap flat wire inductor according to any of claims 1 to 5, characterized in that the air-gap spacer (3) and the magnetic stud (4) are each provided in three.

8. A segmented air-gap flat wire inductor according to any of claims 1-5, characterized in that the inner side wall of the first magnet (1) is provided with two oppositely arranged first concave arc surfaces (12) and the inner side wall of the second magnet (2) is provided with two oppositely arranged second concave arc surfaces (22).