CN211016667U

CN211016667U - SMD flat common mode inductance device

Info

Publication number: CN211016667U
Application number: CN201922201322.3U
Authority: CN
Inventors: 张海道; 胡丽娟; 钟裕祥
Original assignee: Shenzhen Raising Electron Co ltd
Current assignee: Shenzhen Raising Electron Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-07-14
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a flat common mode inductance device of SMD, including first semi-shell body, the top of first semi-shell body is equipped with the semi-shell body of second, equal fixed mounting has first supporting shoe on the both sides inner wall of first semi-shell body, the equal fixed mounting in one side that two first supporting shoes are close to each other has the second supporting shoe, the top fixed mounting of two second supporting shoes has same circular magnetic core, one side that two first supporting shoes are close to each other contacts with the both sides of circular magnetic core respectively, equal fixed mounting has the third supporting shoe that contacts with circular magnetic core on the both sides inner wall of the semi-shell body of second, the outside of circular magnetic core is around being equipped with first copper line and second copper line, fixed mounting has the baffle on the bottom inner wall of first semi-shell body, the top of baffle runs through the inner circle of circular magnetic core and contacts with the top. The utility model discloses be convenient for assemble, can realize mass production and automated production.

Description

SMD flat common mode inductance device

Technical Field

The utility model relates to a common mode inductance technical field especially relates to a flat common mode inductance device of SMD.

Background

The common mode inductor is also called as a common mode choke coil and is commonly used in a switching power supply of a computer to filter common mode electromagnetic interference signals.

The structure of the conventional common mode inductor usually adopts a pin type structure, and the structure needs to arrange manual insertion, but the production mode has low efficiency and is difficult to realize mass production and automatic production, so that a surface-mounted flat common mode inductor device is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a patch type flat common mode inductance device.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a surface-mounted flat common-mode inductance device comprises a first half shell, wherein a second half shell is arranged at the top of the first half shell, first supporting blocks are fixedly arranged on the inner walls of the two sides of the first half shell, second supporting blocks are fixedly arranged on the sides, close to each other, of the two first supporting blocks, the top of each second supporting block is fixedly provided with a same circular magnetic core, the sides, close to each other, of the two first supporting blocks are respectively contacted with the two sides of the circular magnetic core, third supporting blocks contacted with the circular magnetic core are fixedly arranged on the inner walls of the two sides of the second half shell, a first copper wire and a second copper wire are wound on the outer side of the circular magnetic core, a partition plate is fixedly arranged on the inner wall of the bottom of the first half shell, the top of the partition plate penetrates through the inner ring of the circular magnetic core and is contacted with the inner wall of the top of the, and a wiring copper block is fixedly arranged in the wiring groove.

Preferably, two first fixing blocks are fixedly mounted on two sides of the second half shell, and two second fixing blocks matched with the corresponding first fixing blocks are fixedly mounted on two sides of the first half shell.

Preferably, the same screw is arranged on the first fixing block and the corresponding second fixing block.

Preferably, the inner wall of the bottom of the wiring groove is provided with a through hole, and two ends of the first copper wire and two ends of the second copper wire respectively penetrate through the corresponding through holes and are welded with the corresponding wiring copper blocks.

Preferably, the bottom of the first half shell is fixedly provided with a supporting seat.

Preferably, a first insulating block is fixedly mounted on the inner wall of the bottom of the wiring groove, and the top of the first insulating block is fixedly connected with the bottom of the wiring copper block.

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

(1) the circular magnetic core wound with the first copper wire and the second copper wire is placed on the second supporting block through the matching of the first half shell, the second half shell, the first supporting block, the second supporting block, the circular magnetic core, the third supporting block, the first copper wire, the second copper wire, the partition plate, the wiring groove, the wiring copper block, the first fixing block, the second fixing block, the through hole and the supporting seat, the second half shell is covered on the first half shell and fixed through screws, and finally, the two ends of the first copper wire and the two ends of the second copper wire are respectively welded on the corresponding wiring copper blocks, so that the assembly work of the whole surface mount type flat common mode inductance device is completed;

(2) and cooperate through first supporting shoe, second supporting shoe and third supporting ring piece, can make circular magnetic core need not to weld just can be quick fixed, the utility model discloses the equipment of being convenient for can realize mass production and automated production.

Drawings

Fig. 1 is a schematic front sectional view of a chip-type flat common mode inductor device according to the present invention;

fig. 2 is a schematic view of a top-down cross-sectional structure of a surface-mounted flat common mode inductor device provided by the present invention.

In the figure: the supporting seat comprises a first half shell body 1, a second half shell body 2, a first supporting block 3, a second supporting block 4, a circular magnetic core 5, a third supporting block 6, a first copper wire 7, a second copper wire 8, a partition plate 9, a wiring groove 10, a wiring copper block 11, a first fixing block 12, a second fixing block 13, a through hole 14 and a supporting seat 15.

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.

Referring to fig. 1-2, a surface mount type flat common mode inductor device comprises a first half shell 1, a second half shell 2 is arranged on the top of the first half shell 1, first supporting blocks 3 are fixedly arranged on the inner walls of the two sides of the first half shell 1, second supporting blocks 4 are fixedly arranged on the sides, close to each other, of the two first supporting blocks 3, the tops of the two second supporting blocks 4 are fixedly provided with a same circular magnetic core 5, the sides, close to each other, of the two first supporting blocks 3 are respectively contacted with the two sides of the circular magnetic core 5, third supporting blocks 6 contacted with the circular magnetic core 5 are fixedly arranged on the inner walls of the two sides of the second half shell 2, first copper wires 7 and second copper wires 8 are wound on the outer side of the circular magnetic core 5, a partition plate 9 is fixedly arranged on the inner wall of the bottom of the first half shell 1, the top of the partition plate 9 penetrates through the inner ring of the circular magnetic core 5, four wiring grooves 10 which are distributed in a rectangular shape are formed in the top of the second half shell 2, wiring copper blocks 11 are fixedly installed in the wiring grooves 10, the wiring copper blocks 11 are matched through the first half shell 1, the second half shell 2, the first supporting block 3, the second supporting block 4, the circular magnetic core 5, the third supporting block 6, the first copper wire 7, the second copper wire 8, the partition plate 9, the wiring grooves 10, the wiring copper blocks 11, the first fixed block 12, the second fixed block 13, the through hole 14 and the supporting seat 15, the circular magnetic core 5 wound with the first copper wire 7 and the second copper wire 8 is placed on the second supporting block 4, the second half shell 2 is covered on the first half shell 1 and fixed through screws, and finally the two ends of the first copper wire 7 and the two ends of the second copper wire 8 are respectively welded on the corresponding wiring copper blocks 11, so that the assembling work of the whole surface mount type flat common mode inductance device is completed; cooperate through first supporting shoe 3, second supporting shoe 4 and third supporting ring piece 6, can make circular magnetic core 5 need not to weld just can be quick fixed, the utility model discloses the equipment of being convenient for can realize mass production and automated production.

The utility model discloses in, the equal fixed mounting in both sides of half casing 2 of second has two first fixed blocks 12, the equal fixed mounting in both sides of half casing 1 of first has two second fixed blocks 13 with the first fixed block 12 looks adaptation of corresponding, be equipped with same screw on first fixed block 12 and the corresponding second fixed block 13, through-hole 14 has been seted up on the bottom inner wall of wiring groove 10, corresponding through-hole 14 is run through respectively and welds with corresponding wiring copper billet 11 in the both ends of first copper line 7 and the both ends of second copper line 8, the bottom fixed mounting of half casing 1 has supporting seat 15, fixed mounting has first insulating block on the bottom inner wall of wiring groove 10, the top of first insulating block and the bottom fixed connection of wiring copper billet 11, through half casing 1 of first half casing, half casing 2 of second, first supporting shoe 3, second supporting shoe 4, circular magnetic core 5, third supporting shoe 6, The first copper wire 7, the second copper wire 8, the partition plate 9, the wiring groove 10, the wiring copper block 11, the first fixed block 12, the second fixed block 13, the through hole 14 and the supporting seat 15 are matched, the circular magnetic core 5 wound with the first copper wire 7 and the second copper wire 8 is placed on the second supporting block 4, the second half shell 2 is covered on the first half shell 1 and fixed through screws, and finally, two ends of the first copper wire 7 and two ends of the second copper wire 8 are respectively welded on the corresponding wiring copper blocks 11, so that the assembly work of the whole surface mount type flat common mode inductance device is completed; cooperate through first supporting shoe 3, second supporting shoe 4 and third supporting ring piece 6, can make circular magnetic core 5 need not to weld just can be quick fixed, the utility model discloses the equipment of being convenient for can realize mass production and automated production.

The working principle is as follows: when the surface mount type flat common mode inductance device is assembled, the circular magnetic core 5 wound with the first copper wire 7 and the second copper wire 8 is placed on the second supporting block 4 in the first half shell 1, the second half shell 2 is covered on the first half shell 1 and fixed through screws, the two ends of the first copper wire 7 and the two ends of the second copper wire 8 are welded on the corresponding wiring copper blocks 11 respectively, and the whole surface mount type flat common mode inductance device is assembled.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A patch type flat common mode inductance device comprises a first half shell (1) and is characterized in that a second half shell (2) is arranged at the top of the first half shell (1), first supporting blocks (3) are fixedly arranged on the inner walls of two sides of the first half shell (1), second supporting blocks (4) are fixedly arranged on the sides, close to each other, of the two first supporting blocks (3), the tops of the two second supporting blocks (4) are fixedly provided with a same circular magnetic core (5), the sides, close to each other, of the two first supporting blocks (3) are respectively contacted with two sides of the circular magnetic core (5), third supporting blocks (6) contacted with the circular magnetic core (5) are fixedly arranged on the inner walls of two sides of the second half shell (2), a first copper wire (7) and a second copper wire (8) are wound on the outer side of the circular magnetic core (5), a partition plate (9) is fixedly arranged on the inner wall of the bottom of the first half shell (1), the top of baffle (9) runs through the inner circle of circular magnetic core (5) and contacts with the top inner wall of half second shell (2), and four wiring grooves (10) that are the rectangle and distribute are seted up to the top of half second shell (2), and fixed mounting has wiring copper billet (11) in wiring groove (10).

2. A surface-mounted flat common-mode inductance device according to claim 1, wherein two first fixing blocks (12) are fixedly mounted on two sides of the second half-shell (2), and two second fixing blocks (13) adapted to the corresponding first fixing blocks (12) are fixedly mounted on two sides of the first half-shell (1).

3. The SMD flat common-mode inductor device according to claim 2, wherein the same screw is provided on the first fixing block (12) and the corresponding second fixing block (13).

4. The surface-mounted flat common-mode inductance device according to claim 1, wherein a through hole (14) is formed in the inner wall of the bottom of the wiring groove (10), and two ends of the first copper wire (7) and two ends of the second copper wire (8) respectively penetrate through the corresponding through holes (14) and are welded with the corresponding wiring copper blocks (11).

5. A surface-mounted flat common-mode inductance device according to claim 1, wherein a support base (15) is fixedly mounted on the bottom of the first half-shell (1).

6. A surface-mounted flat common-mode inductor device according to claim 1, wherein a first insulating block is fixedly mounted on the inner wall of the bottom of the wiring slot (10), and the top of the first insulating block is fixedly connected with the bottom of the copper wiring block (11).