CN212907281U

CN212907281U - Common mode inductor with small occupied space

Info

Publication number: CN212907281U
Application number: CN202022442102.2U
Authority: CN
Inventors: 林鉴才
Original assignee: Guangdong Qiaojing Electronic Technology Co ltd
Current assignee: Guangdong Qiaojing Electronic Technology Co ltd
Priority date: 2020-10-28
Filing date: 2020-10-28
Publication date: 2021-04-06
Anticipated expiration: 2030-10-28

Abstract

The utility model provides a common mode inductance that occupation space is little relates to inductor technical field. The common mode inductor with small occupied space comprises: the enameled wire is wound outside the magnetic core, and two ends of the magnetic core are connected with connecting seats; wiring mechanism, wiring mechanism is connected with the connecting seat, and wiring mechanism includes that insulating frame, toper lead to groove and connection piece, the toper has been seted up to the lower surface of connecting seat and has been led to the groove, and the inner wall fixedly connected with insulating frame that the toper led to the groove, wherein the one end of enameled wire extends to in the insulating frame and is connected with the connection piece. The utility model provides a common mode inductance that occupation space is little has the advantage that can avoid causing the interference to the installation of other parts.

Description

Common mode inductor with small occupied space

Technical Field

The utility model relates to an inductor technical field especially relates to a common mode inductance that occupation space is little.

Background

Common mode inductors, also called common mode chokes, are commonly used in switching power supplies of computers to filter common mode electromagnetic interference signals. In the board design, the common mode inductor also plays a role in EMI filtering, and is used for inhibiting electromagnetic waves generated by the high-speed signal line from radiating and emitting outwards.

When the existing common mode inductor is used, the tail end of the enameled wire needs to be connected with the circuit board through the pin on the connecting seat, so that the pin needs to be installed on the connecting seat, the size of the connecting seat is large, the occupied space of the common mode inductor is large, interference is easily caused to installation of other parts, and the common mode inductor is not favorable for using the device.

Therefore, there is a need to provide a new common mode inductor with small occupied space to solve the above technical problems.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an avoid causing the little common mode inductor of occupation space of interference to the installation of other parts.

The utility model provides a common mode inductance that occupation space is little includes: the enameled wire is wound outside the magnetic core, and two ends of the magnetic core are connected with connecting seats; wiring mechanism, wiring mechanism is connected with the connecting seat, and wiring mechanism includes that insulating frame, toper lead to groove and connection piece, the toper has been seted up to the lower surface of connecting seat and has been led to the groove, and the inner wall fixedly connected with insulating frame that the toper led to the groove, wherein the one end of enameled wire extends to in the insulating frame and is connected with the connection piece.

Preferably, the wiring mechanism still includes knob, threaded rod and clamp plate, the screw hole that communicates each other with the toper logical groove is seted up to the upper surface of connecting seat, and threaded hole female connection has the threaded rod, threaded rod upper end fixedly connected with knob, and the lower extreme fixedly connected with clamp plate of threaded rod.

Preferably, the wiring mechanism further comprises a groove, the upper surface of the connecting seat is provided with a groove, and the knob and the threaded rod are located in the groove.

Preferably, the connecting seat is fixedly connected with a connecting plate on the surface opposite to the magnetic core, and the connecting plate is provided with a waist-shaped mounting hole.

Compared with the prior art, the utility model provides a common mode inductance that occupation space is little has following beneficial effect:

1. when the connecting device is used, the enameled wire is connected with the circuit board through the connecting sheet, so that the tail end of the enameled wire is not required to be connected with the circuit board through a pin on the connecting seat, the pin is not required to be installed on the connecting seat, the size of the connecting seat is reduced, the space occupied by the device is reduced, the interference on the installation of other parts is avoided, and the use of the device is facilitated;

2. when the connecting device is used, the connecting part of the connecting sheet and the circuit board is positioned in the conical through groove, so that the connecting device and the circuit board do not need to occupy additional space, the occupied space of the device is further reduced, meanwhile, the connecting sheet and the circuit board can be protected through the connecting seat, and the stability and the reliability of the connection of the connecting sheet and the circuit board are ensured;

3. the utility model discloses a rotate the knob for the clamp plate downstream can extrude fixed enameled wire through the clamp plate, avoids the enameled wire to rock at will, thereby further guarantees the stability of being connected of connection piece and circuit board.

Drawings

Fig. 1 is a schematic structural diagram of a preferred embodiment of a common mode inductor with a small occupied space according to the present invention;

FIG. 2 is a schematic three-dimensional view of the wiring mechanism shown in FIG. 1;

FIG. 3 is a side view of the wiring mechanism shown in FIG. 1.

Reference numbers in the figures: 1. a connecting seat; 2. a wiring mechanism; 21. a knob; 22. a threaded rod; 23. a groove; 24. an insulating frame; 25. a tapered through slot; 26. connecting sheets; 27. pressing a plate; 3. a magnetic core; 4. enamelled wires; 5. a connecting plate.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and embodiments.

Please refer to fig. 1, fig. 2 and fig. 3 in combination, wherein fig. 1 is a schematic structural diagram of a common mode inductor with a small occupied space according to a preferred embodiment of the present invention; FIG. 2 is a schematic three-dimensional view of the wiring mechanism shown in FIG. 1; FIG. 3 is a side view of the wiring mechanism shown in FIG. 1. The common mode inductor with small occupied space comprises: the magnetic core 3 is wound with an enameled wire 4, and two ends of the magnetic core 3 are connected with the connecting seats 1; and the wiring mechanism 2 is connected with the connecting seat 1.

In a specific implementation process, as shown in fig. 1, 2 and 3, the wire connection mechanism 2 includes an insulation frame 24, a tapered through groove 25 and a connection piece 26, the tapered through groove 25 is formed in the lower surface of the connection seat 1, the insulation frame 24 is fixedly connected to the inner wall of the tapered through groove 25, and one end of the enameled wire 4 extends into the insulation frame 24 and is connected to the connection piece 26.

Need to explain: when the common mode inductor is used, the enameled wire 4 is connected with the circuit board through the connecting sheet 26, so that the tail end of the enameled wire 4 is not required to be connected with the circuit board through a pin on the connecting seat 1, the pin is not required to be installed on the connecting seat 1, the size of the connecting seat 1 is reduced, the occupied space of the device is reduced, interference on installation of other components is avoided, and the use of the device is facilitated;

it is also stated that: the connection piece 26 is located the logical groove 25 of toper with the circuit board junction to the device does not need other occupation space with being connected of circuit board, thereby further reduces the space that the device occupy, simultaneously, can protect being connected of connection piece 26 and circuit board through connecting seat 1, guarantees the stability and the reliability that connection piece 26 and circuit board are connected.

Referring to fig. 2 and 3, the wiring mechanism 2 further includes a knob 21, a threaded rod 22 and a pressing plate 27, the upper surface of the connecting seat 1 is provided with threaded holes communicated with the tapered through grooves 25, the threaded holes are connected with the threaded rod 22 in an internal thread manner, the upper end of the threaded rod 22 is fixedly connected with the knob 21, and the lower end of the threaded rod 22 is fixedly connected with the pressing plate 27.

Need to explain: through rotating knob 21 for clamp plate 27 downstream can extrude fixed enameled wire 4 through clamp plate 27, avoids enameled wire 4 to rock at will, thereby further guarantees the stability of being connected of connection piece 26 and circuit board.

Referring to fig. 2, the wiring mechanism 2 further includes a groove 23, the groove 23 is formed on the upper surface of the connection holder 1, and the knob 21 and the threaded rod 22 are located in the groove 23.

Need to explain: the knob 21 and the threaded rod 22 are located in the groove 23, and the knob 21 and the threaded rod 22 are prevented from extending above the mounting seat 1, so that the space occupied by the device is reduced.

Referring to fig. 1, a connecting plate 5 is fixedly connected to a surface of the connecting seat 1 opposite to the magnetic core 3, and a waist-shaped mounting hole is formed in the connecting plate 5.

Need to explain: the connection plate 5 can make the mounting base 1 better connected with the circuit board.

The utility model provides a common mode inductance's that occupation space is little theory of operation as follows:

when the utility model is used, the enameled wire 4 is connected with the circuit board through the connecting sheet 26, so that the tail end of the enameled wire 4 is not required to be connected with the circuit board through the pin on the connecting seat 1, the pin is not required to be installed on the connecting seat 1, the size of the connecting seat 1 is reduced, the space occupied by the device is reduced, the interference on the installation of other components is avoided, and the use of the device is facilitated; and the connection position of the connecting sheet 26 and the circuit board is positioned in the tapered through groove 25, so that the connection of the device and the circuit board does not need to occupy additional space, the occupied space of the device is further reduced, meanwhile, the connection of the connecting sheet 26 and the circuit board can be protected through the connecting seat 1, and the connection stability and reliability of the connecting sheet 26 and the circuit board are ensured.

The above only is the embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent processes of the present invention are used in the specification and the attached drawings, or directly or indirectly applied to other related technical fields, and the same principle is included in the protection scope of the present invention.

Claims

1. A small footprint common mode inductor, comprising:

the coil comprises a magnetic core (3), wherein an enameled wire (4) is wound outside the magnetic core (3), and two ends of the magnetic core (3) are connected with connecting seats (1);

wiring mechanism (2), wiring mechanism (2) are connected with connecting seat (1), and wiring mechanism (2) lead to groove (25) and connection piece (26) including insulation frame (24), toper, the lower surface of connecting seat (1) has been seted up the toper and has been led to groove (25), and the inner wall fixedly connected with insulation frame (24) that the toper led to groove (25), wherein the one end of enameled wire (4) extends to in insulation frame (24) and is connected with connection piece (26).

2. The common mode inductor with small occupied space according to claim 1, characterized in that the wiring mechanism (2) further comprises a knob (21), a threaded rod (22) and a pressing plate (27), the upper surface of the connecting base (1) is provided with a threaded hole communicated with the tapered through groove (25), the threaded hole is internally threaded with the threaded rod (22), the upper end of the threaded rod (22) is fixedly connected with the knob (21), and the lower end of the threaded rod (22) is fixedly connected with the pressing plate (27).

3. A common-mode inductor occupying small space according to claim 2, characterized in that the wiring mechanism (2) further comprises a groove (23), the upper surface of the connection holder (1) is provided with the groove (23), and the knob (21) and the threaded rod (22) are positioned in the groove (23).

4. The common mode inductor with small occupied space according to claim 1, wherein a connecting plate (5) is fixedly connected to a surface of the connecting base (1) opposite to the magnetic core (3), and a waist-shaped mounting hole is formed in the connecting plate (5).