CN220020817U - Common mode inductor capable of improving heat dissipation - Google Patents

Abstract

The utility model discloses a common mode inductor for improving heat dissipation, which comprises a magnetic core, an insulating coil, an installation bottom plate and a protective shell, and is characterized by further comprising a heat conducting rubber seat, wherein a magnetic core groove matched with the magnetic core is formed in the heat conducting rubber seat, a coil groove matched with the insulating coil is formed in the inner wall of the magnetic core groove, a heat dissipation fin is arranged on the outer wall of the heat conducting rubber seat, a heat dissipation fan is arranged on the side wall of one side of the protective shell, a plurality of heat dissipation holes are formed in the side wall of the protective shell, an embedding block is fixedly arranged at the bottoms of the two side walls of the protective shell, a clamping groove is formed in one side, which is separated from the embedding block, a clamping groove is formed in the installation bottom plate, a clamping block groove is fixedly arranged at the inner wall of the clamping groove, a clamping block spring is fixedly arranged at the bottom of the clamping block groove, a clamping block is fixedly connected with a clamping block, a control groove is formed in the side wall of the clamping block groove, an unlocking column is arranged in the unlocking column which is propped against the inner wall of the control groove.

Description

Common mode inductor capable of improving heat dissipation

Technical Field

The utility model relates to the technical field of inductors, in particular to a common mode inductor capable of improving heat dissipation.

Background

The common mode inductor is also called a common mode choke coil, is commonly used for filtering electromagnetic interference signals of a common mode in a switching power supply of a computer, plays a role of EMI filtering in board card design and is used for inhibiting electromagnetic waves generated by a high-speed signal wire from radiating outwards, and when the common mode inductor is used, the common mode inductor is in a bare state, so that a protective device is not arranged outside the common mode inductor, the common mode inductor is easy to drop and damage, dust is easy to accumulate on the surface, and therefore, the heat dissipation problem is caused.

The utility model discloses a common mode inductor, which comprises a mounting bottom plate, wherein a fixed stop block is arranged at the top end of the mounting bottom plate, two groups of magnetic cores are sleeved on the surface of the fixed stop block, an insulating coil is wound on the surface of a plug pin, a protective shell is arranged at the top end of the mounting bottom plate, a radiating hole is arranged on the surface of the protective shell, a fixed block is arranged at the bottom end of the protective shell, a plug block is arranged at the bottom end of the fixed block, plugs are arranged at the two ends of the mounting bottom plate, a blocking piece is arranged on the surface of each plug pin, an elastic spring I is sleeved on the surface of each plug pin, and a clamping and fixing assembly is arranged outside each magnetic core.

The above-mentioned existing scheme has the following problems: the protecting shell covers the magnetic core and the insulating coil, and only the heat dissipation holes on the surface of the protecting shell are not beneficial to heat dissipation of the magnetic core.

Disclosure of Invention

The utility model aims to provide a common mode inductor capable of improving heat dissipation so as to solve the technical problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an improve radiating common mode inductor, includes magnetic core, winding insulating coil, mounting plate and the protecting crust on the magnetic core, still includes the heat conduction glue seat, set up the magnetic core groove with the magnetic core adaptation on the heat conduction glue seat, the magnetic core inslot wall symmetry set up the coil groove with the insulating coil adaptation, the heat conduction glue seat outer wall evenly is equipped with radiating fin, run through fixedly on the protecting crust one side lateral wall and be equipped with radiator fan, the protecting crust is kept away from radiator fan's lateral wall and is evenly offered a plurality of louvres, the fixed symmetry in protecting crust both sides wall bottom is equipped with the abat bar, two the draw-in groove has been seted up to one side that the abat bar is separated from, set up the caulking groove that supplies the abat bar card to go into on the mounting plate, the fixture block groove has been seted up to the fixture block groove, the fixture block spring is fixed to be equipped with in fixture block inslot bottom, the fixture block spring fixedly connected with is used for the fixture block of card income draw-in the fixture block groove, the control groove has been seted up to the relative inner wall of fixture block groove and control groove and has been seted up the unblock post groove and run through the mounting plate top, unblock post fixture bar and the abat bar is equipped with the control post that offsets with the inner wall of fixture block.

Preferably, a plurality of inserting blocks are uniformly and fixedly arranged at the bottom of the heat-conducting rubber seat, slots which are in sliding connection with the inserting blocks are correspondingly formed in the mounting bottom plate, abutting block grooves are symmetrically formed in the side walls of the inserting blocks, abutting springs are fixedly arranged at the bottoms of the abutting block grooves, and abutting blocks which are in sliding connection with the inner walls of the abutting block grooves and are used for abutting the inserting blocks are fixedly connected with the abutting springs.

Preferably, one side of the bottom of the abutting block, which is positioned outside the abutting block groove, is an inclined surface, the inner wall of the abutting block groove is symmetrically provided with a first limit groove, and a first limit block fixedly connected with the side wall of the abutting block is arranged in the first limit groove in a sliding manner.

Preferably, the inner wall of the control groove far away from the caulking groove is an inclined surface and is propped against the unlocking column, and one end of the unlocking column, which is propped against the inner wall of the control groove, is an arc surface.

Preferably, one side of the clamping block, which is positioned outside the clamping block groove and is close to the opening end of the caulking groove, is inclined surface and is inclined downwards, a second limiting groove is formed in the inner wall of the clamping block groove, which is far away from the unlocking column groove, and a second limiting block fixedly connected with the side wall of the clamping block is arranged in the second limiting groove in a sliding manner.

Preferably, the unlocking post groove inner wall symmetry has seted up the third spacing groove, the unlocking post is located the fixed third stopper that is equipped with third spacing groove sliding connection of partial lateral wall symmetry in the third spacing groove.

Compared with the prior art, the utility model has the beneficial effects that: the heat of the common-mode inductor is charged and dispersed through the arrangement of the heat-conducting rubber seat, the magnetic core groove, the coil groove, the radiating fins, the radiating holes and the radiating fan, so that the radiating effect of the common-mode inductor is effectively improved; the heat-conducting rubber seat is limited and kept stable on the mounting bottom plate through the arrangement of the inserting block, the inserting groove, the abutting block groove and the abutting spring, so that the heat-conducting rubber seat cannot easily move; through setting up of caulking groove, abaculus, draw-in groove, fixture block groove, fixture block spring, control groove, unblock post groove and unblock post, can dismantle the protecting crust through pressing the unblock post, convenient operation, be convenient for later maintenance.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view showing the mounting appearance of a protective housing according to the present embodiment;

FIG. 2 is a front sectional view of the protective housing of the present embodiment;

fig. 3 is an enlarged view at the present embodiment a;

FIG. 4 is a diagram showing the installation of the heat conductive rubber base and the installation base plate;

FIG. 5 is a split view of the heat conductive rubber base and the mounting base plate of the present embodiment;

fig. 6 is a cross-sectional view of the mounting insert of the heat conductive rubber base and the mounting base plate of the present embodiment.

In the drawings, the list of components represented by the various numbers is as follows:

1. a magnetic core; 2. an insulating coil; 3. a mounting base plate; 4. a protective shell; 5. a heat-conducting rubber seat; 6. a magnetic core slot; 7. a coil groove; 8. a heat radiation fin; 9. a slot; 10. inserting blocks; 11. a tightening block; 12. a block propping groove; 13. a spring is abutted tightly; 14. a first limit groove; 15. a first limiting block; 16. a caulking groove; 17. an insert; 18. a clamping groove; 19. a clamping block; 20. a clamping block groove; 21. a clamp block spring; 22. the second limit groove; 23. a second limiting block; 24. a control groove; 25. unlocking the column groove; 26. unlocking the column; 27. a third limit groove; 28. a third limiting block; 29. a heat radiation hole; 30. a heat radiation fan.

Description of the embodiments

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-6, the present utility model provides a technical solution: the utility model provides an improve radiating common mode inductor, including magnetic core 1, winding insulating coil 2 on magnetic core 1, mounting plate 3 and protecting crust 4, still include heat conduction glue seat 5, set up the magnetic core groove 6 with the adaptation of magnetic core 1 on the heat conduction glue seat 5, magnetic core groove 6 inner wall symmetry has seted up the coil groove 7 with the adaptation of insulating coil 2, heat conduction glue seat 5 outer wall evenly is equipped with radiating fin 8, run through fixedly on protecting crust 4 one side lateral wall and be equipped with radiator fan 30, a plurality of louvres 29 have evenly been seted up to the lateral wall that protecting crust 4 kept away from radiator fan 30, the fixed symmetry in protecting crust 4 both sides wall bottom is equipped with the inserted block 17, the draw-in groove 18 has been seted up to one side that two inserted block 17 are separated from, set up on the mounting plate 3 and have been supplied the inserted block 16 of inserted block 17 card slot 20, the fixture block spring 21 has been seted up to the fixture block slot 20 bottom, fixture block spring 21 fixedly connected with is used for the fixture block 19 of card income draw-in groove 18, one side lateral wall 24 that fixture block 19 is located fixture block slot 20, the relative inner wall of fixture block 20 has been seted up control slot 24, fixture block 20 and control post 24 opposite inner wall and have been equipped with the release post 25 and have been used for the release post 25 to offset with the inner wall 25.

Specifically, a plurality of inserts 10 are evenly fixed to be equipped with in heat conduction glue seat 5 bottom, insert the slot 9 with insert 10 sliding connection's corresponding with insert 10 on the mounting plate 3, insert 10 and insert in the slot 9 and carry out spacingly to heat conduction glue seat 5, avoid heat conduction glue seat 5 to shift on mounting plate 3, insert 10 lateral wall symmetry has been seted up and has been supported tight piece groove 12, support tight piece groove 12 bottom fixedly to be equipped with and support tight spring 13, support tight spring 13 fixedly connected with and support tight piece 11 that is used for supporting tight insert 10 with support tight piece groove 12 inner wall sliding connection, insert 10 inserts slot 9 after, support tight piece 11 compression and support tight spring 13 and slide into to support tight piece groove 12, under the elasticity effect of support tight spring 13, support tight piece 11 effort and give slot 9 inner wall, thereby improve the stability of insert 10 in slot 9, make insert 10 be difficult for sliding in slot 9.

Specifically, the side that supports tight piece 11 bottom and is located to support tight piece groove 12 outside is the inclined plane, make things convenient for insert 10 to insert in the slot 9, insert 10 aims at slot 9 and inserts, support tight piece 11's inclined plane compression under the pressure of slot 9 inner wall and support tight spring 13 and slide into support tight piece groove 12, make insert 10 to insert in the slot 9, support tight piece groove 12 inner wall symmetry and offered first spacing groove 14, the first spacing groove 14 sliding is equipped with the first stopper 15 with support tight piece 11 lateral wall fixed connection, through the spacing effect of first stopper 15 and first spacing groove 14, avoid support tight piece 11 roll-off to support tight piece inslot 12 and influence insert 10 in the slot 9.

Specifically, the inner wall that control groove 24 kept away from caulking groove 16 is the inclined plane and offsets with unblock post 26, when needs dismantle protective housing 4, presses unblock post 26, and unblock post 26 effort makes fixture block 19 atress compression fixture block spring 21 and follow the interior slip of caulking groove 18 to the inclined plane of control groove 24, and the caulking piece 17 loses spacing and can follow the interior slip of caulking groove 16 to take off protective housing 4, the one end that unblock post 26 and control groove 24 inner wall contradicted is the cambered surface, reduces the wearing and tearing of unblock post 26 and control groove 24 inner wall.

Specifically, one end of the clamping block 19 outside the clamping block groove 20 is inclined and inclined downwards near the opening end of the embedding groove 16, so that the installation of the protecting shell 4 is facilitated, when the protecting shell 4 is installed, the embedding block 17 is aligned to the embedding groove 16 and inserted, after the embedding block 17 touches the inclined surface of the clamping block 19, the clamping block 19 is stressed to compress the clamping block spring 21 to slide into the clamping block groove 20, the embedding block 17 continues to slide downwards in the embedding groove 16 until the embedding groove 16 is completely inserted, at this moment, the clamping block 19 is opposite to the clamping groove 18, the clamping block 19 is clamped into the clamping groove 18 to limit the embedding block 17 under the action of the elasticity of the clamping block spring 21, the protecting shell 4 can be installed, the second limiting groove 22 is formed in the inner wall of the clamping block groove 20, which is far away from the unlocking post groove 25, and the second limiting block 23 fixedly connected with the side wall of the clamping block 19 is arranged in a sliding manner in the second limiting groove 22, and the installation of the protecting shell 4 is facilitated all the time due to the limiting effect of the second limiting block 23 and the second limiting groove 22.

Specifically, the inner wall of the unlocking post slot 25 is symmetrically provided with a third limit slot 27, a third limit block 28 which is in sliding connection with the third limit slot 27 is symmetrically and fixedly arranged on the side wall of the part of the unlocking post 26 positioned in the third limit slot 27, and the unlocking post 26 is prevented from sliding out of the unlocking post slot 25 through the limit of the third limit block 28 and the third limit slot 27.

One specific application embodiment of this embodiment is:

when the device is used, firstly, the magnetic core 1 and the insulating coil 2 of the common mode inductor are aligned with the magnetic core groove 6 and the coil groove 7 on the heat conducting rubber seat 5, then the heat conducting rubber seat 5 is arranged on the installation bottom plate 3, the inserting block 10 is aligned with the inserting groove 9 and inserted, the inclined surface of the abutting block 11 compresses the abutting spring 13 under the pressure of the inner wall of the inserting groove 9 to slide into the abutting block groove 12, the inserting block 10 can be inserted into the inserting groove 9, the acting force of the abutting block 11 is applied to the inner wall of the inserting groove 9 under the elastic force of the abutting spring 13, thereby improving the stability of the inserting block 10 in the inserting groove 9, ensuring that the inserting block 10 is not easy to slide in the inserting groove 9, avoiding random displacement of the heat conducting rubber seat 5, then installing the protective shell 4, aligning the inserting block 17 with the inserting groove 16, after the inserting block 17 touches the inclined surface of the clamping block 19, the clamping block 19 is compressed by the clamping block spring 21 to slide into the clamping block groove 20, the inserting block 17 continues to slide down in the inserting groove 16 until the inserting block 16 is completely inserted into the inserting groove 16, the clamping block 19 is opposite to the clamping groove 18, the clamping block 19 is clamped into the clamping groove 18 to limit the embedded block 17 under the action of the elastic force of the clamping block spring 21, the protective shell 4 can be installed, the heat generated by the common mode inductor is fully transmitted to the radiating fins 8 through the heat-conducting rubber seat 5, the radiating fins 8 radiate the heat in the air, the heat is discharged into the protective shell 4 under the cooperation of the radiating fan 30 and the radiating hole 29, the radiating effect of the common mode inductor is effectively improved, when the protective shell 4 needs to be disassembled, the unlocking post 26 is pressed, the acting force of the unlocking post 26 is applied to the inclined surface of the control groove 24 to enable the clamping block 19 to bear the force to compress the clamping block spring 21 and slide out of the clamping groove 18, the embedded block 17 loses limit and can slide out of the embedded groove 16, thereby the protective shell 4 is taken down, the unlocking post 26 is released, the clamping block 19 is reset under the elastic force of the clamping block spring 21 to drive the unlocking post 26 to reset, the operation is convenient, and the maintenance is convenient.

In the description of the present utility model, it should be understood that the terms "coaxial," "bottom," "one end," "top," "middle," "another end," "upper," "one side," "top," "inner," "front," "center," "two ends," etc. indicate orientations or positional relationships based on the drawings, merely to facilitate description of the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "configured," "connected," "secured," "screwed," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intermediaries, or in communication with each other or in interaction with each other, unless explicitly defined otherwise, the meaning of the terms described above in this application will be understood by those of ordinary skill in the art in view of the specific circumstances.

Although embodiments of the present utility model have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the claims and their equivalents.

Claims (6)

1. Common mode inductor for improving heat dissipation, which comprises a magnetic core (1), an insulating coil (2) wound on the magnetic core (1), a mounting base plate (3) and a protective shell (4), and is characterized in that: the heat-conducting rubber seat (5) is further included, a magnetic core groove (6) matched with the magnetic core (1) is formed in the heat-conducting rubber seat (5), coil grooves (7) matched with the insulating coil (2) are symmetrically formed in the inner wall of the magnetic core groove (6), radiating fins (8) are uniformly formed in the outer wall of the heat-conducting rubber seat (5), a radiating fan (30) is fixedly arranged on one side wall of the protecting shell (4) in a penetrating mode, a plurality of radiating holes (29) are uniformly formed in the side wall, far away from the radiating fan (30), of the protecting shell (4), embedding blocks (17) are fixedly and symmetrically formed in the bottoms of the two side walls of the protecting shell (4), clamping grooves (18) are formed in one side, away from the embedding blocks (17), clamping grooves (16) for clamping the embedding blocks (17) are formed in the inner wall of the mounting bottom plate (3), clamping block grooves (20) are formed in the inner wall of the clamping grooves (16), clamping block springs (21) are fixedly arranged at the bottoms of the clamping block grooves (20), clamping block springs (21) are fixedly connected with clamping blocks (19) for clamping the clamping grooves (18), clamping blocks (19) are formed in the inner wall of the mounting bottom plate (3), the clamping blocks (20) and the corresponding to the side wall (24) of the mounting bottom plate, an unlocking column (26) which is propped against the inner wall of the control groove (24) and used for controlling the clamping block (19) to move is arranged in the unlocking column groove (25) in a sliding mode.

2. A common mode inductor with improved heat dissipation as recited in claim 1, wherein: the heat conduction rubber seat (5) bottom evenly is fixed and is equipped with a plurality of inserts (10), mounting plate (3) go up with insert (10) correspond offer with insert (10) sliding connection slot (9), insert (10) lateral wall symmetry has been offered and has been supported tight piece groove (12), support tight piece groove (12) bottom fixedly and be equipped with and support tight spring (13), support tight spring (13) fixedly connected with and support tight piece groove (12) inner wall sliding connection and be used for supporting tight piece (11) of supporting tight insert (10).

3. A common mode inductor with improved heat dissipation as recited in claim 2, wherein: the bottom of the abutting block (11) is provided with an inclined surface at one side outside the abutting block groove (12), a first limit groove (14) is symmetrically formed in the inner wall of the abutting block groove (12), and a first limit block (15) fixedly connected with the side wall of the abutting block (11) is arranged in the first limit groove (14) in a sliding mode.

4. A common mode inductor with improved heat dissipation as recited in claim 1, wherein: the inner wall of the control groove (24) far away from the caulking groove (16) is an inclined surface and is propped against the unlocking column (26), and one end of the unlocking column (26) propped against the inner wall of the control groove (24) is an arc surface.

5. A common mode inductor with improved heat dissipation as recited in claim 1, wherein: one end of the clamping block (19) positioned outside the clamping block groove (20) is inclined surface and inclines downwards near one side of the opening end of the embedding groove (16), a second limit groove (22) is formed in the inner wall of the clamping block groove (20) away from the unlocking post groove (25), and a second limit block (23) fixedly connected with the side wall of the clamping block (19) is arranged in the second limit groove (22) in a sliding mode.

6. A common mode inductor with improved heat dissipation as recited in claim 1, wherein: third spacing groove (27) have been seted up to unblock post groove (25) inner wall symmetry, the unblock post (26) lie in third spacing groove (27) the part lateral wall symmetry fixed third stopper (28) of third spacing groove (27) sliding connection that are equipped with.