CN210039850U

CN210039850U - Common mode inductor for preventing short circuit

Info

Publication number: CN210039850U
Application number: CN201920967919.6U
Authority: CN
Inventors: 谢龙
Original assignee: Shenzhen Jixiang Tengda Electronic Co Ltd
Current assignee: Shenzhen Jixiang Tengda Electronic Co Ltd
Priority date: 2019-06-26
Filing date: 2019-06-26
Publication date: 2020-02-07
Anticipated expiration: 2029-06-26

Abstract

The utility model discloses a prevent common mode inductance of short circuit, including the inductance main part, the outside of inductance main part is equipped with bears the frame, and the both sides inner wall that bears the frame is connected with the laminating of inductance main part through connecting the silica gel piece, and the coil one end of inductance main part is passed and is born one side and arrange the outside that bears the frame in, and the top lid of inductance main part coil one end is equipped with first stopper, and the bottom lid of inductance main part coil one end is equipped with the second stopper. The utility model relates to a prevent common mode inductance of short circuit, through be provided with first stopper and second stopper on every connecting coil of inductance, can effectively separate each connecting coil, avoid coil mutual contact winding to make the circuit take place the short circuit phenomenon, reduced safe risk, through the first fixture block second fixture block that is provided with intermeshing to it is stable to make both connect through hasp and take the pole, can make first stopper and second stopper dismantle more conveniently when needs are maintained the coil.

Description

Common mode inductor for preventing short circuit

Technical Field

The utility model relates to a common mode inductor, in particular to prevent common mode inductor of short circuit.

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 applied to a circuit, a coil wound on the surface of the common mode inductor is easy to wind together when being connected with other electrical appliance elements, so that the short circuit phenomenon of the whole circuit is caused, the safety risk is high, and the common mode inductor for preventing the short circuit is needed to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent common mode inductance of short circuit to when current common mode inductance that proposes among the above-mentioned background art was solved is used for the circuit, its surface twines together easily around the coil of establishing, thereby leads to the problem that short circuit phenomenon appears in whole circuit.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent common mode inductance of short circuit, includes the inductance main part, the outside of inductance main part is equipped with bears the frame, the both sides inner wall that bears the frame is connected with the laminating of inductance main part through connecting the silica gel piece, the coil one end of inductance main part is passed and is born one side and arrange the outside that bears the frame in, the top lid of inductance main part coil one end is equipped with first stopper, the bottom lid of inductance main part coil one end is equipped with the second stopper, the fixed first latch that is equipped with in bottom both sides of first stopper, the fixed second latch that is equipped with in top of second stopper, first latch and second latch meshing are connected.

As an optimal technical scheme of the utility model, the fixed hasp that is equipped with in one side bottom of first stopper, one side top of second stopper articulates through the damping pivot has the take pole, take pole and hasp lock connection.

As a preferred technical scheme of the utility model, the inside of connecting the silica gel piece alternates and is connected with a plurality of heat conduction poles, every the one end of heat conduction pole all contacts with the inductance bulk phase, every the other end of heat conduction pole all passes one side and the fixedly connected with heat radiation fins who connects the silica gel piece.

As a preferred technical scheme of the utility model, the bottom both sides that bear the frame are all fixed and are equipped with the installation piece, the draw-in groove has been seted up to the bottom of installation piece.

As a preferred technical scheme of the utility model, bear frame, first stopper and second stopper and be the insulating rubber material and make.

Compared with the prior art, the utility model discloses following beneficial effect has:

through being provided with first stopper and second stopper on every connecting wire circle of inductance, can effectively separate each connecting coil, avoid coil mutual contact winding to make the circuit take place the short circuit phenomenon, the safety risk has been reduced, through being provided with intermeshing's first fixture block second fixture block, and make both connect stably through the hasp and take the pole, can make first stopper and second stopper dismantle more conveniently when needing to maintain the coil, through being provided with heat conduction pole and heat radiation fins, can effectively radiate the heat that the inductance during operation produced.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of the first stopper and the second stopper of the present invention;

fig. 3 is an enlarged schematic view of fig. 1 at a according to the present invention.

In the figure: 1. an inductor main body; 2. a carrier; 3. a first stopper; 4. a second limiting block; 5. a first latch; 6. a second latch; 7. a hasp; 8. building a rod; 9. connecting the silica gel blocks; 10. a heat conducting rod; 11. Heat dissipation fins; 12. mounting blocks; 13. a clamping groove.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Please refer to fig. 1-3, the utility model provides a prevent common mode inductance of short circuit, including inductance main part 1, inductance main part 1's the outside is equipped with bears frame 2, bear the both sides inner wall of frame 2 and be connected with inductance main part 1 laminating through connecting silica gel piece 9, inductance main part 1's coil one end is passed and is born frame 2 one side and place the outside of bearing frame 2 in, the top lid of inductance main part 1 coil one end is equipped with first stopper 3, the bottom lid of inductance main part 1 coil one end is equipped with second stopper 4, the fixed first latch 5 that is equipped with in bottom both sides of first stopper 3, the fixed second latch 6 that is equipped with in top of second stopper 4, first latch 5 and the meshing of second latch 6 are connected.

Preferably, the hasp 7 is fixedly arranged at the bottom of one side of the first limiting block 3, the top of one side of the second limiting block 4 is hinged with the lapping rod 8 through the damping rotating shaft, the lapping rod 8 is buckled and connected with the hasp 7, and the first latch 5 and the second latch 6 can be connected more stably when the lapping rod 8 and the hasp 7 are buckled and connected.

Preferably, the inside of connecting silica gel block 9 alternates and is connected with a plurality of heat conduction poles 10, and the one end of every heat conduction pole 10 all contacts with inductance main part 1, and the other end of every heat conduction pole 10 all passes one side of connecting silica gel block 9 and fixedly connected with heat radiation fins 11, and when the inductance during operation, heat on inductance main part 1 can be derived to heat conduction pole 10, and the rethread heat radiation fins 11 dispel to the external world.

Preferably, the bottom both sides of bearing frame 2 all are fixed and are equipped with installation piece 12, and draw-in groove 13 has been seted up to the bottom of installation piece 12, and mountable piece 12 is installed this inductance on the circuit board, convenient and fast.

Preferably, bear frame 2, first stopper 3 and second stopper 4 and be the insulating rubber material and make, can prevent to electrocute when extracting the inductance.

When in use, the common mode inductor for preventing short circuit of the utility model is firstly arranged on the circuit board through the mounting block 12 at the bottom of the bearing frame 2, and then the coil is connected with the external electrical appliance element, wherein the first limiting block 3 and the second limiting block 4 which are arranged at the outer side of the coils can separate each connecting coil, thereby avoiding the short circuit phenomenon of the circuit caused by the mutual contact and winding of the coils, when the inductor works, the heat conducting rod 10 can lead out the heat on the inductor main body 1 and then the heat is radiated to the outside through the radiating fins 11, so that the normal work of the inductor is prevented from being influenced by the overlarge heat, the hasp 7 and the lapping rod 8 can be separated, the first limit block 3 can be stirred upwards to separate the first latch 5 from the second latch 6, therefore, the first limiting block 3 and the second limiting block 4 are detached from the coil conveniently and quickly.

In the description of the present invention, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for convenience of description and simplification of description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.

In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a prevent common mode inductance of short circuit, includes inductance main part (1), its characterized in that, the outside of inductance main part (1) is equipped with bears frame (2), the both sides inner wall that bears frame (2) is connected with inductance main part (1) laminating through connecting silica gel piece (9), the coil one end of inductance main part (1) is passed and is born frame (2) one side and place the outside of bearing frame (2) in, the top lid of inductance main part (1) coil one end is equipped with first stopper (3), the bottom lid of inductance main part (1) coil one end is equipped with second stopper (4), the fixed first latch (5) that is equipped with in bottom both sides of first stopper (3), the fixed second latch (6) that is equipped with in top of second stopper (4), first latch (5) and second latch (6) meshing are connected.

2. A common mode inductor for preventing short circuit according to claim 1, wherein: the fixed hasp (7) that is equipped with in one side bottom of first stopper (3), one side top of second stopper (4) articulates through the damping pivot has and takes pole (8), it connects with hasp (7) lock to take pole (8).

3. A common mode inductor for preventing short circuit according to claim 1, wherein: the inductor is characterized in that a plurality of heat conducting rods (10) are inserted into the connecting silica gel block (9), one end of each heat conducting rod (10) is in contact with the inductor main body (1), and the other end of each heat conducting rod (10) penetrates through one side of the connecting silica gel block (9) and is fixedly connected with a heat radiating fin (11).

4. A common mode inductor for preventing short circuit according to claim 1, wherein: the bottom both sides of bearing frame (2) all are fixed and are equipped with installation piece (12), draw-in groove (13) have been seted up to the bottom of installation piece (12).

5. A common mode inductor for preventing short circuit according to claim 1, wherein: the bearing frame (2), the first limiting block (3) and the second limiting block (4) are made of insulating rubber materials.