High-voltage-resistant soft magnetic core for inductor

Abstract

The high-voltage-resistant soft magnetic core comprises a soft magnetic core body, the soft magnetic core body is sleeved with a heat dissipation ring, the heat dissipation ring is sleeved with a protection ring, the protection ring is fixedly connected with a pair of positioning rings, the protection ring is sleeved with a pair of heat conduction grooves, and the positioning rings are fixedly connected with the heat conduction grooves. The inner walls of the heat conduction grooves are provided with internal threads, the outer walls of the pair of positioning rings are provided with external threads matched with the internal threads, the heat conduction grooves are provided with round holes, the pair of heat conduction grooves are symmetrically arranged relative to the central axis of the soft magnetic core body, and the pair of positioning rings are symmetrically arranged relative to the central axis of the protection ring. The inner diameter of the heat dissipation ring is equal to the outer diameter of the soft magnetic core body, the inner diameter of the protection ring is equal to the outer diameter of the heat dissipation ring, and through the structure, the protection effect of the soft magnetic core body is improved, and the soft magnetic core body is convenient to disassemble.

Description

Technical Field

[0001] The utility model relates to the technical field of soft magnetic cores, in particular to a high-voltage-resistant soft magnetic core for an inductor. Background Art

[0002] Magnetic powder core is a soft magnetic material made by mixing ferromagnetic powder and insulating medium. Because the ferromagnetic particles are very small and separated by non-magnetic electrical insulating film materials, on the one hand, eddy currents can be isolated and the material is suitable for higher frequencies; on the other hand, due to the gap effect between particles, the material has low magnetic permeability and constant magnetic permeability characteristics.

[0003] However, the existing soft magnetic core is brittle and easily damaged. Therefore, in order to correct the above defects, we propose a high-voltage-resistant soft magnetic core for inductors. Utility Model Content

[0004] The utility model aims to solve at least one of the technical problems existing in the prior art, and provides a high-voltage resistant soft magnetic core for an inductor, comprising a soft magnetic core body: a heat dissipation ring is sleeved on the soft magnetic core body, a protective ring is sleeved on the heat dissipation ring, a pair of positioning rings are fixedly connected to the protective ring, and a pair of heat conduction grooves are sleeved on the protective ring, the inner walls of the heat conduction grooves are provided with internal threads, the outer walls of a pair of the positioning rings are provided with external threads matching the internal threads, and the heat conduction grooves are provided with round holes.

[0005] According to the high-voltage-resistant soft magnetic core for an inductor, a pair of the heat-conducting grooves are symmetrically arranged about the central axis of the soft magnetic core body.

[0006] According to the high-voltage-resistant soft magnetic core for an inductor, a pair of the positioning rings are symmetrically arranged about the central axis of the protection ring.

[0007] According to the high-voltage-resistant soft magnetic core for an inductor, the inner diameter of the heat dissipation ring is equal to the outer diameter of the soft magnetic core body.

[0008] According to the high-voltage-resistant soft magnetic core for an inductor, the inner diameter of the protection ring is equal to the outer diameter of the heat dissipation ring.

[0009] According to the high-voltage-resistant soft magnetic core for an inductor, anti-slip grooves are provided on the outer wall of the heat-conducting groove.

[0010] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention.

[0011] 1. The protection ring can be used to protect the soft magnetic core body, thereby increasing the service life of the soft magnetic core body;

[0012] 2. The heat dissipation effect of the soft magnetic core body can be improved by setting the heat dissipation ring and the heat conduction groove, and the heat dissipation ring and the protective ring can be easily disassembled, thereby improving the convenience of using the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0014] Figure 1 It is a partial stereogram of the utility model;

[0015] Figure 2 This is the overall structure diagram of the utility model;

[0016] Figure 3 is a top view of the heat conduction groove;

[0017] Figure 4 It is a top view of the protection ring and the positioning ring;

[0018] Figure 5 A three-dimensional view of the protection ring and the positioning ring.

[0019] Legend:

[0020] 1. Soft magnetic core body; 2. Heat dissipation ring; 3. Protective ring; 4. Positioning ring; 5. Heat conduction groove; 6. Round hole. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0022] Reference Figures 1 to 5 The utility model embodiment is a high-voltage resistant soft magnetic core for an inductor, which includes a soft magnetic core body 1: a heat dissipation ring 2 is sleeved on the soft magnetic core body 1, a protective ring 3 is sleeved on the heat dissipation ring 2, a pair of positioning rings 4 are fixedly connected to the protective ring 3, and a pair of heat conduction grooves 5 are sleeved on the protective ring 3, an internal thread is provided on the inner wall of the heat conduction groove 5, an external thread matching the internal thread is provided on the outer wall of the pair of positioning rings 4, and a circular hole 6 is provided on the heat conduction groove 5.

[0023] The force is evenly distributed, and the installation stability is improved. A pair of heat conduction grooves 5 are symmetrically arranged about the central axis of the soft magnetic core body 1 .

[0024] The force is evenly distributed, and a pair of positioning rings 4 are symmetrically arranged about the central axis of the protective ring 3.

[0025] To improve installation stability, the inner diameter of the heat dissipation ring 2 is equal to the outer diameter of the soft magnetic core body 1 .

[0026] To improve installation stability, the inner diameter of the protection ring 3 is equal to the outer diameter of the heat dissipation ring 2 .

[0027] To facilitate unscrewing the heat-conducting groove 5 , an anti-slip pattern is provided on the outer wall of the heat-conducting groove 5 .

[0028] Working principle: When the utility model is used, the soft magnetic core body 1 is protected by the protective ring 3, thereby increasing the service life of the soft magnetic core body 1. During the use of the soft magnetic core body 1, heat is conducted through the heat dissipation ring 2 and transferred to the heat conduction groove 5, and then the heat is quickly dissipated through the heat conduction groove 5, thereby improving the heat dissipation effect of the soft magnetic core body 1. When the soft magnetic core body 1 needs to be taken out, the heat conduction groove 5 is unscrewed to push out the soft magnetic core body 1.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A high-voltage-resistant soft magnetic core for an inductor, characterized in that: The invention comprises a soft magnetic core body (1): a heat dissipation ring (2) is sleeved on the soft magnetic core body (1), a protective ring (3) is sleeved on the heat dissipation ring (2), a pair of positioning rings (4) are fixedly connected to the protective ring (3), and a pair of heat conduction grooves (5) are sleeved on the protective ring (3), the inner wall of the heat conduction groove (5) is provided with an internal thread, the outer wall of a pair of positioning rings (4) is provided with an external thread matching the internal thread, and the heat conduction groove (5) is provided with a circular hole (6).

2. The high-voltage-resistant soft magnetic core for an inductor according to claim 1, characterized in that: The pair of heat conduction grooves (5) are symmetrically arranged about the central axis of the soft magnetic core body (1).

3. The high-voltage-resistant soft magnetic core for an inductor according to claim 1, characterized in that: The pair of positioning rings (4) are symmetrically arranged about the central axis of the protection ring (3).

4. The high-voltage-resistant soft magnetic core for an inductor according to claim 1, characterized in that: The inner diameter of the heat dissipation ring (2) is equal to the outer diameter of the soft magnetic core body (1).

5. The high-voltage-resistant soft magnetic core for an inductor according to claim 1, characterized in that: The inner diameter of the protection ring (3) is equal to the outer diameter of the heat dissipation ring (2).

6. The high-voltage-resistant soft magnetic core for an inductor according to claim 1, characterized in that: Anti-slip grooves are provided on the outer wall of the heat conduction groove (5).

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