Heat dissipation type ferrite core

Abstract

The utility model discloses a heat dissipation type ferrite magnetic core, and relates to the field of ferrite magnetic cores. The magnetic core comprises a bottom plate, a magnetic core body and a limiting plate, the bottom plate is U-shaped, and a positioning column is fixedly connected to the middle of the upper surface of the bottom plate. The bottom plate, the magnetic core body and the limiting plate are arranged, the positioning holes in the bottom of the magnetic core body are fixedly connected with the positioning columns on the bottom plate in an inserted mode, the cooling fins are attached to the inner walls of the positioning holes, stable heat dissipation can be conducted on the magnetic core body, the coil is attached to the bottom plate, and a leading-out wire of the coil can be conveniently led out of the magnetic core under the arrangement of the open grooves. Meanwhile, the contact surfaces of the bottom plate, the magnetic core body and the coil are reduced, and the heat dissipation performance is improved; the limiting inserting blocks on the two sides of the bottom surface of the limiting plate and the inserting grooves in the bottom plate are fixed in an inserted mode, the magnetic core body is limited through the limiting plate, the protruding blocks on the bottom surface of the limiting plate are attached to the magnetic core body, and the heat dissipation effect on the magnetic core body is improved under the cooperation of the heat dissipation holes.

Description

TECHNICAL FIELD

[0001] The utility model belongs to ferrite core field, in particular, a kind of heat dissipation type ferrite core. BACKGROUND

[0002] Ferrite core is a kind of high-frequency magnetic material, commonly used in transformer and other products, main function is shielding electromagnetic noise, increasing permeability, improving inductance quality;With the development of science and technology, electronic products gradually to miniaturization, high-power direction, magnetic core will emit a large amount of heat in the working process, electromagnetic device is bound to cause temperature rise faster, if heat is not timely, electromagnetic device can be damaged.

[0003] The existing magnetic core cooling mode is unstable, which affects the normal use of electromagnetic device. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a kind of heat dissipation type ferrite core, solve the existing magnetic core cooling mode is unstable, which affects the normal use of electromagnetic device Problem.

[0005] To solve the above technical problems, the utility model is realized by the following technical schemes:

[0006] The utility model is a kind of heat dissipation type ferrite core, including bottom plate, magnetic core body and limit board, the bottom plate is "U" type, the middle part of the upper surface of bottom plate is fixedly connected with positioning column, hollow slot is set in the inside of positioning column, the hollow slot penetrates bottom plate, the peripheral surface of positioning column is evenly distributed and fixedly connected with several radiating fins, one end of radiating fin extends into hollow slot, the middle part of the bottom surface of magnetic core body is provided with positioning hole, the positioning hole is inserted with positioning column, the inner wall of positioning hole is attached with radiating fin, the limit board is set in the upper of magnetic core body, the upper surface of limit board is provided with multiple groups of heat dissipation holes, the bottom surface of limit board is fixedly connected with multiple groups of lug, the lug is cross set with heat dissipation hole.

[0007] The material of the lug is heat-conducting silica gel;Heat-conducting silica gel has good high-thermal-conductivity.

[0008] The peripheral side of the magnetic core body is wound with coil, the both ends of the coil are provided with lead-out wire, the both sides of the upper surface of bottom plate are evenly distributed and provided with several slots, the slot is adapted with lead-out wire;The lead-out wire of coil is led out to the outside of magnetic core, while reducing the contact surface of bottom plate and magnetic core body and coil, improve the heat dissipation performance.

[0009] The surface of the both ends of bottom plate is provided with insertion slot, the both sides of the bottom surface of limit board are fixedly connected with limit plug, the limit plug is inserted with insertion slot.

[0010] The height of the positioning column is lower than the height of the two ends of the bottom plate, and the height of the protruding block is lower than the height of the limiting plug.

[0011] The utility model has the advantages of the following:

[0012] The utility model discloses a bottom plate, magnetic core body and limiting plate are set up, the positioning hole of magnetic core body bottom is inserted and fixed with the positioning column on the bottom plate, and makes the radiating fin and the inner wall of positioning hole close, can carry out stable heat dissipation to magnetic core body, the coil and the bottom plate close, under the setting of the slot, the outgoing wire of coil is led to the outside of magnetic core, reduces the contact area of bottom plate and magnetic core body and coil simultaneously, improves the heat dissipation performance, the limiting plug on the both sides of limiting plate bottom surface is inserted and fixed with the insertion slot on the bottom plate, makes limiting plate limit magnetic core body, and makes the protruding block of limiting plate bottom surface and magnetic core body close, improves the heat dissipation effect of magnetic core body under the cooperation of the heat dissipation hole.

[0013] Of course, implementing any product of the utility model does not necessarily need to achieve all the advantages mentioned above at the same time. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will be needed to use the drawings of the embodiment to make a brief introduction, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creating labor.

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is Figure 1 The enlarged view of area A;

[0017] Figure 3 It is the bottom view of the structure of the utility model;

[0018] Figure 4 It is Figure 3 The enlarged view of area B.

[0019] In the drawings, the component list represented by each sign is as follows:

[0020] 1, bottom plate; 101, slot; 102, insertion slot; 103, positioning column; 104, radiating fin; 105, hollow groove; 2, magnetic core body; 201, coil; 202, outgoing wire; 3, limiting plate; 301, limiting plug; 302, heat dissipation hole; 303, protruding block. DETAILED DESCRIPTION

[0021] With reference to the drawings of the embodiments of the present application, the technical solutions in the embodiments of the present application will be clearly and completely described, obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0022] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0023] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connection" and the like should be broadly understood, for example, "connection" can be fixed connection, can also be detachable connection, or integral connection; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0024] Please refer to Figures 1-4 As shown in the drawings, the utility model is a heat dissipation type ferrite core, including bottom plate 1, magnetic core body 2 and limit plate 3, bottom plate 1 is "U" type, the middle part of the upper surface of bottom plate 1 is fixedly connected with locating column 103, the inside of locating column 103 is provided with hollow slot 105, hollow slot 105 penetrates bottom plate 1, the circumferential surface of locating column 103 is uniformly distributed and fixedly connected with several radiating fins 104, one end of radiating fin 104 extends into hollow slot 105, the middle part of the bottom surface of magnetic core body 2 is provided with locating hole, locating hole is inserted and matched with locating column 103, the inner wall of locating hole is attached with radiating fin 104, limit plate 3 is arranged above magnetic core body 2, the upper surface of limit plate 3 is provided with multiple sets of heat dissipation holes 302, the bottom surface of limit plate 3 is fixedly connected with multiple sets of protruding blocks 303, and protruding block 303 is cross arranged with heat dissipation hole 302.

[0025] The material of protruding block 303 is heat-conducting silica gel; the heat-conducting silica gel has good high-heat-conducting performance.

[0026] The coil 201 is wound around the peripheral side of the magnetic core body 2, and the two ends of the coil 201 are provided with lead-out wires 202; a plurality of slots 101 are uniformly distributed on the upper surface of the bottom plate 1, and the slots 101 are matched with the lead-out wires 202; the lead-out wires 202 of the coil 201 are conveniently led out to the outside of the magnetic core, and meanwhile, the contact area of the bottom plate 1 with the magnetic core body 2 and the coil 201 is reduced, and the heat dissipation performance is improved.

[0027] The surface of the two ends of the bottom plate 1 is provided with a plug-in slot 102, and the bottom surface of the limiting plate 3 is fixedly connected with a limiting plug 301 on both sides; the limiting plug 301 is plug-in matched with the plug-in slot 102.

[0028] The height of the positioning column 103 is lower than the height of the two ends of the bottom plate 1, and the height of the convex block 303 is lower than the height of the limiting plug 301.

[0029] It needs to be supplemented that the positioning hole at the bottom of the magnetic core body 2 is plug-in fixed with the positioning column 103 on the bottom plate 1, and the cooling fin 104 is attached to the inner wall of the positioning hole; under the cooperation of the cooling fin 104 and the hollow slot 105, the magnetic core body 2 can be stably cooled; the coil 201 is attached to the bottom plate 1, and under the arrangement of the slot 101, the lead-out wire 202 of the coil 201 is conveniently led out to the outside of the magnetic core, and meanwhile, the contact area of the bottom plate 1 with the magnetic core body 2 and the coil 201 is reduced, and the heat dissipation performance is improved; the limiting plug 301 on the bottom surface of the limiting plate 3 is plug-in fixed with the plug-in slot 102 on the bottom plate 1, so that the limiting plate 3 limits the magnetic core body 2 and the coil 201, and the convex block 303 on the bottom surface of the limiting plate 3 is attached to the magnetic core body 2, the contact area of the limiting plate 3 with the magnetic core body 2 is reduced, and under the cooperation of the cooling hole 302, the heat dissipation effect of the magnetic core body 2 is improved.

[0030] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0031] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the person skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A heat-dissipating ferrite core comprising a bottom plate (1), a core body (2) and a limiting plate (3), characterized in that: The bottom plate (1) is "U" type, the middle part of the upper surface of the bottom plate (1) is fixedly connected with a positioning column (103), a hollow slot (105) is arranged in the positioning column (103), the hollow slot (105) penetrates the bottom plate (1), a plurality of radiating fins (104) are uniformly and fixedly connected to the circumferential surface of the positioning column (103), one end of the radiating fin (104) extends into the hollow slot (105), a positioning hole is arranged in the middle part of the bottom surface of the magnetic core body (2), the positioning hole is insertedly connected with the positioning column (103), the inner wall of the positioning hole is attached to the radiating fin (104), the limiting plate (3) is arranged above the magnetic core body (2), a plurality of groups of radiating holes (302) are arranged in the upper surface of the limiting plate (3), a plurality of groups of convex blocks (303) are fixedly connected to the bottom surface of the limiting plate (3), and the convex blocks (303) and the radiating holes (302) are cross arranged.

2. The heat dissipating ferrite core of claim 1, wherein, The material of the convex block (303) is heat-conducting silica gel.

3. The heat dissipating ferrite core of claim 2, wherein, The circumferential surface of the magnetic core body (2) is wound with a coil (201), both ends of the coil (201) are provided with lead-out wires (202), a plurality of grooves (101) are uniformly and arranged in the upper surface of the bottom plate (1), and the grooves (101) are matched with the lead-out wires (202).

4. The heat dissipating ferrite core of claim 3, wherein, The surfaces of both ends of the bottom plate (1) are provided with inserting grooves (102), both sides of the bottom surface of the limiting plate (3) are fixedly connected with limiting inserting blocks (301), and the limiting inserting blocks (301) are insertedly connected with the inserting grooves (102).

5. The heat-dissipating ferrite core according to claim 4, wherein The height of the positioning column (103) is lower than the height of both ends of the bottom plate (1), and the height of the convex block (303) is lower than the height of the limiting inserting block (301).

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