CN218214867U - Inductor with shielding case - Google Patents
Inductor with shielding case Download PDFInfo
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- CN218214867U CN218214867U CN202221413582.2U CN202221413582U CN218214867U CN 218214867 U CN218214867 U CN 218214867U CN 202221413582 U CN202221413582 U CN 202221413582U CN 218214867 U CN218214867 U CN 218214867U
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- inductor
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Abstract
The utility model belongs to the field of inductors, in particular to an inductor with a shielding case, which comprises a shell; the magnetic shielding device comprises a supporting frame, a magnetic core, a winding group, pins and a shielding mechanism, wherein the shielding mechanism comprises a shielding cover and a heat conduction filling block, the shielding cover is fixed on the top surface of the supporting frame and sleeved on the outer side of the winding group for shielding a magnetic field, and the heat conduction filling block is fixed on the inner wall of the shielding cover; establish the outside at winding group with two mutual symmetry covers of shield cover, and make draw-in groove and winding group correspond, make heat conduction filling block and winding group closely laminate, the material of heat conduction filling block is heat conduction silica gel piece, its texture is comparatively soft, and has good insulating heat conductivity, can effectually fill the clearance between shield cover and the winding group, establish heat dissipation channel, the heat of winding group is conducted fast and is dispelled the heat to the shield cover, the radiating efficiency of winding group is improved, prevent that winding group from damaging because of the high temperature in the course of the work.
Description
Technical Field
The utility model relates to an inductor field specifically is an inductor with shield cover.
Background
An inductor is a component that can convert electrical energy into magnetic energy for storage, and is similar in structure to a transformer, but has only one winding, and the inductor has an inductance that only impedes the change of current, and if the inductor is in a state of no current passing through it will try to impede the current flow through it when the circuit is on, and if the inductor is in a state of current passing through it will try to keep the current constant when the circuit is off.
When the existing inductor with the shielding cover works in a power-on mode, the winding group generates heat, and due to the protection of the shielding cover and the gap between the shielding cover and the winding group, the heat is difficult to dissipate outwards, and the heat dissipation effect is poor. Accordingly, one skilled in the art provides an inductor with a shield can to solve the problems set forth in the background above.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide an inductor with shield cover to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
an inductor with a shield can, comprising;
a support frame;
the magnetic core is fixed on the top surface of the supporting frame;
the winding group is wound on the outer side wall of the magnetic core;
the two pins are symmetrically fixed on the bottom surface of the support frame and are used for connecting electricity;
the two shielding mechanisms are symmetrically arranged on the top surface of the supporting frame, sleeved outside the winding set and used for shielding a magnetic field;
wherein, shielding mechanism includes shield cover and heat conduction filling block, the shield cover is fixed the top surface of support frame to the cover is established the outside of winding group for the shielding in magnetic field, the heat conduction filling block is fixed the inner wall of shield cover to with filling heat dissipation clearance, the inboard of heat conduction filling block seted up with the draw-in groove that the winding group corresponds, the heat conduction filling block passes through the draw-in groove cover is established the winding group outside.
As a further aspect of the present invention: the bottom end integrated into one piece of shield cover be used for with the fixed flange of support frame, the shield cover passes through the fixed flange to be fixed the top surface of support frame.
As the utility model discloses further scheme again: a plurality of fixing holes which are uniformly distributed are fixed on the fixing flange.
As a further aspect of the present invention: the lateral wall integrated into one piece of shield cover has a plurality of bulge and depressed part that are used for increasing heat radiating area, a plurality of bulge and a plurality of the depressed part is mutual interval distribution.
As a further aspect of the present invention: and a moisture absorption strip for absorbing water is fixedly arranged inside the concave part.
As a further aspect of the present invention: the outer side of the protruding part is covered with a moisture absorption net, and two ends of the moisture absorption net are connected with the moisture absorption strips on two sides respectively.
As a further aspect of the present invention: the material of heat conduction filling block is heat conduction silica gel piece.
Compared with the prior art, the beneficial effects of the utility model are that:
1. when the winding device is installed, the two shielding covers are symmetrically covered on the outer side of the winding group, the clamping grooves correspond to the winding group, the heat-conducting filling block is tightly attached to the winding group, the heat-conducting filling block is made of a heat-conducting silica gel sheet, the texture of the heat-conducting silica gel sheet is soft, the heat-conducting silica gel sheet has good insulating and heat-conducting properties, a gap between the shielding covers and the winding group can be effectively filled, a heat-radiating channel is established, heat of the winding group is quickly conducted to the shielding covers for radiating, the heat-radiating efficiency of the winding group is improved, and the winding group is prevented from being damaged due to overhigh temperature in the working process;
2. at the out-of-operation of winding group, and when cooling down, the moisture absorption net of cover on the bulge and the moisture absorption strip in the depressed part absorb the water of condensation, and the moisture absorption net all adopts the pure cotton material with the moisture absorption strip, and the water absorption effect is better, prevents that the comdenstion water from dripping to lead to the circuit board to damage, and the moisture absorption net can not cover its radiating effect completely the bulge.
Drawings
FIG. 1 is a schematic diagram of an inductor with a shield;
FIG. 2 is a schematic view of the mounting position of a thermally conductive filler block in an inductor with a shield can;
FIG. 3 is a top view of an inductor with a shield;
FIG. 4 is an enlarged view of the point A in FIG. 3;
fig. 5 is a schematic view showing the distribution of the positions of the moisture-absorbing strips and the moisture-absorbing web in the inductor with the shield case.
In the figure: 1. a support frame; 11. a magnetic core; 12. winding; 13. a pin; 2. a shielding mechanism; 201. a card slot; 202. a fixing hole; 21. a shield case; 211. a fixing flange; 22. a heat conductive filling block; 23. a projection; 24. a recessed portion; 25. a moisture-absorbing strip; 26. a moisture-absorbing web.
Detailed Description
Referring to fig. 1 to 5, in an embodiment of the present invention, an inductor with a shielding can includes;
a support frame 1;
a magnetic core 11 fixed on the top surface of the support frame 1;
a winding group 12 wound on the outer side wall of the magnetic core 11;
the two pins 13 are symmetrically fixed on the bottom surface of the support frame 1 and are used for connecting electricity;
the two shielding mechanisms 2 are symmetrically arranged on the top surface of the support frame 1, sleeved outside the winding group 12 and used for shielding a magnetic field;
the shielding mechanism 2 comprises a shielding cover 21 and a heat-conducting filling block 22, the shielding cover 21 is fixed on the top surface of the supporting frame 1 and is sleeved outside the winding group 12 for shielding the magnetic field, the heat-conducting filling block 22 is fixed on the inner wall of the shielding cover 21 and is used for filling a heat dissipation gap, a clamping groove 201 corresponding to the winding group 12 is formed in the inner side of the heat-conducting filling block 22, and the heat-conducting filling block 22 is sleeved outside the winding group 12 through the clamping groove 201.
In this embodiment: when the circuit board is installed, the two shielding cases 21 are symmetrically covered on the outer side of the winding group 12, the clamping groove 201 corresponds to the winding group 12, the heat-conducting filling block 22 is tightly attached to the winding group 12, the heat-conducting filling block 22 is made of a heat-conducting silica gel sheet, the heat-conducting filling block is soft in texture and has good insulating heat conductivity, a gap between the shielding cases 21 and the winding group 12 can be effectively filled, a heat dissipation channel is established, heat of the winding group 12 is quickly conducted to the shielding cases 21 for heat dissipation, the heat dissipation efficiency of the winding group 12 is improved, the winding group 12 is prevented from being damaged due to overhigh temperature in the working process, finally, bolts penetrate through holes in the fixing flange 211 and are in threaded connection with threaded holes reserved in the supporting frame 1, the shielding cases 21 are fixed, during heat dissipation, the heat dissipation area can be effectively increased through the plurality of convex portions 23 and concave portions 24 integrally formed on the outer side wall of the shielding cases 21, the heat dissipation efficiency is improved, when the winding group 12 does not work, when the circuit board is cooled, the circuit board is not work, the circuit board can absorb condensed water through the moisture net 26 and the moisture net 25, the moisture net 26 and the moisture net 25 can completely prevent the condensed water from being covered on the circuit board, and can completely prevent the circuit board from being damaged, and can completely, and the circuit board, and can prevent the circuit board from being covered by the condensed water absorption net 26, and the condensed water absorption net 5.
In fig. 1, 2 and 3: the bottom end integrated into one piece of shield 21 has the fixed flange 211 that is used for with support frame 1 is fixed, and the top surface at support frame 1 is fixed through fixed flange 211 to shield 21, is fixed with the fixed orifices 202 that a plurality of evenly arranged on the fixed flange 211, uses the bolt to run through the hole on the fixed flange 211 to with the screw hole threaded connection who reserves on the support frame 1, realize the fixed to shield 21.
In fig. 3, 4 and 5: the lateral wall integrated into one piece of shield 21 has a plurality of protrusion 23 and the depressed part 24 that are used for increasing heat radiating area, and a plurality of protrusion 23 and a plurality of depressed part 24 are mutual interval distribution, and when the heat dissipation, a plurality of protrusion 23 and the depressed part 24 of the lateral wall integrated into one piece of shield 21 can effectively increase heat radiating area, improves the radiating efficiency.
In fig. 3, 4 and 5: 24 inside sets firmly the moisture absorption strip 25 that is used for absorbing water of depressed part, 23 outside covers of bulge are equipped with moisture absorption net 26, moisture absorption net 26's both ends are connected with the moisture absorption strip 25 of both sides respectively, it is out of work at winding group 12, and when cooling down, moisture absorption net 26 and the moisture absorption strip 25 in the depressed part 24 on the bulge 23 are established to the cover and are absorbed the water of condensation, moisture absorption net 26 and moisture absorption strip 25 all adopt the pure cotton material, the water absorption effect is better, prevent that the comdenstion water from dripping and leading to the circuit board to damage, and moisture absorption net 26 can not cover the bulge 23 completely, guarantee its radiating effect.
The utility model discloses a theory of operation is: when the heat dissipation device is installed, the two shielding cases 21 are symmetrically covered outside the winding group 12, the clamping groove 201 corresponds to the winding group 12, the heat conduction filling block 22 is tightly attached to the winding group 12, the heat conduction filling block 22 is made of heat conduction silica gel sheets, the texture of the heat conduction filling block is soft, the heat dissipation device has good insulation and heat conductivity, a gap between the shielding cases 21 and the winding group 12 can be effectively filled, a heat dissipation channel is established, heat of the winding group 12 is quickly conducted to the shielding cases 21 for heat dissipation, the heat dissipation efficiency of the winding group 12 is improved, the winding group 12 is prevented from being damaged due to overhigh temperature in the working process, finally, bolts penetrate through holes in the fixing flanges 211 and are in threaded connection with threaded holes reserved on the support frame 1, the shielding cases 21 are fixed, during heat dissipation, a plurality of protruding portions 23 and recessed portions 24 which are integrally formed on the outer side wall of the shielding cases 21 can effectively increase the heat dissipation area, the heat dissipation efficiency is improved, the winding group 12 does not work, during cooling, moisture absorption net 26 and moisture absorption net 25 and moisture absorption net cover the heat dissipation net 26 and the moisture absorption net can completely prevent the moisture absorption net from damaging a circuit board (moisture absorption net 26 and moisture absorption net is a circuit board 5).
The above-mentioned, only be the embodiment of the preferred of the present invention, nevertheless the utility model discloses a protection scope is not limited to this, and any technical personnel familiar with this technical field is in the technical scope of the utility model discloses an according to the utility model discloses a technical scheme and utility model design in addition the replacement of equality or change, all should be covered within the protection scope of the utility model.
Claims (7)
1. An inductor with a shielding case is characterized by comprising;
a support frame (1);
the magnetic core (11) is fixed on the top surface of the supporting frame (1);
the winding group (12) is wound on the outer side wall of the magnetic core (11);
the two pins (13) are symmetrically fixed on the bottom surface of the support frame (1) and are used for connecting electricity;
the two shielding mechanisms (2) are symmetrically arranged on the top surface of the support frame (1), sleeved on the outer side of the winding set (12) and used for shielding a magnetic field;
wherein, shielding mechanism (2) are including shield cover (21) and heat conduction filling block (22), shield cover (21) are fixed the top surface of support frame (1) is established to the cover is established the outside of winding reel group (12) for the shielding of magnetic field, heat conduction filling block (22) are fixed the inner wall of shield cover (21) to with filling heat dissipation clearance, the inboard of heat conduction filling block (22) seted up with draw-in groove (201) that winding reel group (12) correspond, heat conduction filling block (22) pass through draw-in groove (201) cover is established the winding reel group (12) outside.
2. An inductor with a shielding case as claimed in claim 1, wherein the bottom end of the shielding case (21) is integrally formed with a fixing flange (211) for fixing with the supporting frame (1), and the shielding case (21) is fixed on the top surface of the supporting frame (1) through the fixing flange (211).
3. An inductor with a shielding case as claimed in claim 2, wherein a plurality of uniformly arranged fixing holes (202) are fixed on the fixing flange (211).
4. An inductor with a shielding case as claimed in claim 1, wherein the shielding case (21) has a plurality of protrusions (23) and recesses (24) integrally formed on an outer side wall thereof for increasing a heat dissipation area, and the plurality of protrusions (23) and the plurality of recesses (24) are spaced apart from each other.
5. The inductor with the shielding case as claimed in claim 4, wherein a moisture absorption strip (25) for absorbing water is fixed inside the recess (24).
6. The inductor with the shielding case as claimed in claim 5, wherein the outer side of the protruding portion (23) is covered with a moisture absorbing net (26), and both ends of the moisture absorbing net (26) are connected to the moisture absorbing strips (25) on both sides.
7. The inductor with shielding case of claim 1, wherein the material of the heat conductive filler block (22) is heat conductive silicone sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221413582.2U CN218214867U (en) | 2022-06-08 | 2022-06-08 | Inductor with shielding case |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221413582.2U CN218214867U (en) | 2022-06-08 | 2022-06-08 | Inductor with shielding case |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218214867U true CN218214867U (en) | 2023-01-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221413582.2U Active CN218214867U (en) | 2022-06-08 | 2022-06-08 | Inductor with shielding case |
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| CN (1) | CN218214867U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313432A (en) * | 2023-05-19 | 2023-06-23 | 深圳市新启发汽车用品有限公司 | Inductor for intelligent network-connected automobile |
-
2022
- 2022-06-08 CN CN202221413582.2U patent/CN218214867U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116313432A (en) * | 2023-05-19 | 2023-06-23 | 深圳市新启发汽车用品有限公司 | Inductor for intelligent network-connected automobile |
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