High-power EE type soft magnetic ferrite core

Abstract

The utility model discloses a high-power EE type soft magnetic ferrite core which comprises a first magnetic core, a second magnetic core is arranged on the opposite side of the first magnetic core, a framework is arranged in the middle of the outer side of the first magnetic core and the middle of the outer side of the second magnetic core, and fastening mechanisms are arranged at the top end and the bottom end of the first magnetic core and the top end and the bottom end of the second magnetic core respectively. The fastening mechanism comprises empty grooves formed in the first magnetic core and the second magnetic core. By arranging the fastening mechanism, a worker can insert the middles of the first magnetic core and the second magnetic core into the framework in the process of connecting the first magnetic core, the second magnetic core and the framework, a fastening block in the fastening mechanism can make contact with the framework in the insertion process, and the fastening block can compress a telescopic spring in an empty groove under the pressure of the framework; reactive force generated after the telescopic spring is stressed and compressed can enable the fastening block to tightly abut against the framework, so that the connecting capacity is improved, the fastening block is prevented from being separated from the framework, and stability is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to EE type soft magnetic ferrite core technical field especially relates to a kind of high-power EE type soft magnetic ferrite core. BACKGROUND

[0002] Magnetic core refers to a kind of sintered magnetic metal oxide composed of various iron oxide mixtures. For example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core materials. Manganese-zinc ferrite has the characteristics of high magnetic permeability and high magnetic flux density, and has the characteristics of low loss. Nickel-zinc ferrite has the characteristics of very high resistivity, low magnetic permeability less than several hundred. Ferrite core is used in the coil and transformer of various electronic devices.

[0003] The existing EE type soft magnetic ferrite core in use process, soft magnetic ferrite core needs two groups of magnetic core to be connected in skeleton when installing, then coil is wound outside skeleton, and the connecting force between two groups of magnetic cores is poor, and it is easy to separate from skeleton, and stability is poor. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a kind of high-power EE type soft magnetic ferrite core.

[0005] The purpose of the utility model can be achieved by adopting the following technical scheme:

[0006] A kind of high-power EE type soft magnetic ferrite core, including first magnetic core, the opposite side of the first magnetic core is provided with second magnetic core, the middle part of the outer side of the first magnetic core and the second magnetic core is provided with skeleton, the top and bottom ends of the first magnetic core and the second magnetic core are provided with fastening mechanism, the fastening mechanism includes the empty slot in the first magnetic core and second magnetic core, the empty slot is fixed with telescopic spring, the top end of the telescopic spring is installed with fastening block, and the one end of the fastening block is inclined structure.

[0007] Preferably, the fastening block one side is provided with lug, and the lug is formed on the fastening block.

[0008] Preferably, the empty slot is provided with guide slot corresponding to the lug, and the lug is slidably connected with the guide slot.

[0009] Preferably, the middle part of the first magnetic core and the second magnetic core is installed with first magnetic plate.

[0010] Preferably, the opposite end of the first magnetic core and the second magnetic core is fixed with second magnetic plate, and second magnetic plate is mutually attracted.

[0011] Preferably, the first magnetic plate outer side of the first magnetic core and the second magnetic core is provided with magnetic conducting layer.

[0012] Preferably, a low-resistance layer is arranged outside the magnetic-conducting layer in the first magnetic core and the second magnetic core.

[0013] The beneficial technical effects are:

[0014] By arranging the fastening mechanism, the middle part of the first magnetic core and the second magnetic core can be inserted into the framework, and the fastening block in the fastening mechanism contacts the framework during the insertion process, and the fastening block is compressed by the pressure of the framework to compress the expansion spring in the air slot. The reaction force generated by the expansion spring after being compressed by the force can make the fastening block tightly abut against the framework, thereby increasing the connection ability, avoiding disengagement from the framework, and improving the stability. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is a structural schematic view of a preferred embodiment of a high-power EE type soft magnetic ferrite core according to the utility model;

[0016] Fig. 2 It is a main sectional view of a preferred embodiment of a high-power EE type soft magnetic ferrite core according to the utility model;

[0017] Fig. 3 It is a schematic view of the positional relationship of the expansion spring, the fastening block and the protruding block in a preferred embodiment of a high-power EE type soft magnetic ferrite core according to the utility model.

[0018] The following is a description of the reference signs:

[0019] 1, first magnetic core; 2, second magnetic core; 3, framework; 4, fastening mechanism; 401, air slot; 402, expansion spring; 403, fastening block; 5, protruding block; 6, guide slot; 7, first magnetic plate; 8, second magnetic plate; 9, magnetic-conducting layer; 10, low-resistance layer. DETAILED DESCRIPTION

[0020] In order to make the skilled in the art more clear and clear the technical scheme of the utility model, the utility model is described in further detail below in combination with examples and drawings, but the implementation manner of the utility model is not limited thereto.

[0021] As Figs. 1-3As shown, the embodiment provides a kind of high-power EE type soft magnetic ferrite core, including first magnetic core 1, second magnetic core 2 is arranged on the opposite side of first magnetic core 1, framework 3 is arranged in the middle of the outside of first magnetic core 1 and second magnetic core 2, framework 3 is used to wind coil, first magnetic core 1 and second magnetic core 2 top and bottom both ends are provided with fastening mechanism 4, fastening mechanism 4 includes the empty slot 401 being opened in first magnetic core 1 and second magnetic core 2, empty slot 401 is used to bear telescopic spring 402 and fastening block 403, telescopic spring 402 is fixed in empty slot 401, the reaction force that telescopic spring 402 generates after being stressed can make fastening block 403 and framework 3 tightly abut, telescopic spring 402 top end is equipped with fastening block 403, fastening block 403 can avoid first magnetic core 1 and second magnetic core 2 and framework 3 separate, and one end of fastening block 403 is inclined structure.

[0022] As shown in the figure, Figs. 2-3 One side of fastening block 403 is provided with lug 5, and lug 5 is formed on fastening block 403, which is convenient for limiting fastening block 403 by lug 5.

[0023] As shown in the figure, Figs. 2-3 Corresponding to lug 5, guide groove 6 is opened in empty slot 401, and lug 5 and guide groove 6 are slidably connected, which can limit the movement of fastening block 403 by moving along guide groove 6 during the movement of fastening block 403.

[0024] As shown in the figure, Figs. 1-2 First magnetic plate 7 is installed in the middle of first magnetic core 1 and second magnetic core 2, which can increase the magnetism of first magnetic core 1 and second magnetic core 2 respectively by first magnetic plate 7.

[0025] As shown in the figure, Figs. 1-2 Second magnetic plate 8 is fixed on the opposite end of first magnetic core 1 and second magnetic core 2, and second magnetic plate 8 is attracted to each other, which is convenient for the opposite end of first magnetic core 1 and second magnetic core 2 to be connected by mutual attraction of second magnetic plate 8.

[0026] As shown in the figure, Figs. 1-2 Magnetic layer 9 is arranged outside first magnetic plate 7 in first magnetic core 1 and second magnetic core 2, which can increase the magnetic conductivity of first magnetic core 1 and second magnetic core 2 by magnetic layer 9.

[0027] As shown in the figure, Figs. 1-2 Low resistance layer 10 is arranged outside magnetic layer 9 in first magnetic core 1 and second magnetic core 2, which can reduce the resistance of first magnetic core 1 and second magnetic core 2 by low resistance layer 10.

[0028] The working principle of the device is as follows: when the device is used, the staff winds the coil on the framework 3, inserts the middle part of the first magnetic core 1 and the second magnetic core 2 into the middle part of the framework 3 after winding, and the fastening block 403 in the fastening mechanism 4 contacts the framework 3 in the insertion process, and the fastening block 403 is compressed by the pressure of the framework 3 to compress the expansion spring 402 in the air slot 401, the reaction force generated after the expansion spring 402 is compressed under stress can make the fastening block 403 tightly abut against the framework 3, thereby increasing the connection ability, avoiding disengagement from the framework 3, improving the stability, and the opposite ends of the first magnetic core 1 and the second magnetic core 2 are connected by mutual attraction through the second magnetic plate 8, the magnetism of the first magnetic core 1 and the second magnetic core 2 is increased through the first magnetic plate 7 in the use process, and the magnetic conductivity of the first magnetic core 1 and the second magnetic core 2 is increased through the magnetic conductivity layer 9, and the resistance of the first magnetic core 1 and the second magnetic core 2 is reduced through the low-resistance layer 10.

[0029] The above is only a further embodiment of the present application, but the protection scope of the present application is not limited thereto, any skilled person in the art can make equivalent replacement or change according to the technical scheme and concept of the present application within the scope disclosed by the present application, which belongs to the protection scope of the present application.

Claims

1. A high power EE type soft magnetic ferrite core, characterized by: The utility model relates to a magnetic core, including first magnetic core (1), second magnetic core (2) are arranged with first magnetic core (1) opposite side, the middle part of outside of first magnetic core (1) and second magnetic core (2) is provided with framework (3), and the top and bottom both ends of first magnetic core (1) and second magnetic core (2) are provided with fastening mechanism (4), fastening mechanism (4) includes the empty slot (401) of being set up on first magnetic core (1) and second magnetic core (2), the telescopic spring (402) is fixed in empty slot (401), the telescopic spring (402) top end is installed with fastening block (403), and fastening block (403) one end is oblique structure.

2. A high power EE type soft magnetic ferrite core according to claim 1, characterized in that: The convex block (5) is arranged on one side of the fastening block (403) and formed on the fastening block (403).

3. A high power EE type soft magnetic ferrite core according to claim 2, characterized in that: The guide groove (6) is formed in the empty slot (401) corresponding to the convex block (5), and the convex block (5) and the guide groove (6) are slidably connected.

4. A high power EE type soft magnetic ferrite core according to claim 1, characterized in that: The first magnetic plate (7) is installed in the middle part of the first magnetic core (1) and the second magnetic core (2).

5. A high power EE type soft magnetic ferrite core according to claim 1, characterized in that: The second magnetic plate (8) is fixed on the opposite end of the first magnetic core (1) and the second magnetic core (2), and the second magnetic plates (8) are attracted to each other.

6. A high power EE type soft magnetic ferrite core according to claim 4, characterized in that: The magnetic guide layer (9) is arranged outside the first magnetic plate (7) in the first magnetic core (1) and the second magnetic core (2).

7. A high power EE type soft magnetic ferrite core according to claim 6, characterized in that: The low-resistance layer (10) is arranged outside the magnetic guide layer (9) in the first magnetic core (1) and the second magnetic core (2).

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