CN212625087U - Winding composite magnetic core with high magnetic conductivity - Google Patents

Abstract

The utility model belongs to the technical field of the magnetic core technique and specifically relates to a wire winding composite magnetic core that magnetic permeability is high, including the magnetic core main part, the inboard fixedly connected with ultra-thin heat pipe of magnetic core main part, the bottom outside of ultra-thin heat pipe is provided with first fin and second fin, the utility model discloses in, through the ultra-thin heat pipe, first fin, first louvre, second fin and the second louvre that set up, ultra-thin heat pipe can siphon away the heat on magnetic core surface to give first fin and second fin heat transfer, siphon away the heat on ultra-thin heat pipe surface through first fin and second fin, can accelerate scattering and disappearing of first fin and second fin surface heat through first heat dissipation and second louvre simultaneously, thereby realize the cooling to the magnetic core, thereby make magnetic permeability than the magnetic permeability of current magnetic core high.

Description

Winding composite magnetic core with high magnetic conductivity

Technical Field

The utility model relates to a magnetic core technical field specifically is a wire winding composite magnetic core that magnetic conductivity is high.

Background

The magnetic core is a sintered magnetic core composed of various iron oxide mixturesMetal oxidesFor example, manganese-zinc ferrite and nickel-zinc ferrite are typical magnetic core materials, manganese-zinc ferrite has characteristics of high magnetic permeability and high magnetic flux density and has a characteristic of low loss, nickel-zinc ferrite has characteristics of extremely high resistivity, low magnetic permeability of less than several hundreds, and the like, and ferrite cores are used for coils and cores of various electronic devicesTransformer deviceIn particular, as society develops, the application of magnetic cores is becoming more widespread, and thus, there is an increasing demand for a wound composite magnetic core having a high magnetic permeability.

The magnetic core can rise at the in-use temperature, and the temperature risees, and the magnetic permeability of magnetic core must reduce, if heaies up to the curie temperature of magnetic core material, the magnetic core can become paramagnetic matter by ferromagnetic matter, loses magnetism, and current magnetic core does not possess supplementary radiating mechanism, leads to the magnetic core heat dissipation slow, and magnetic permeability reduces easily, consequently, proposes a wire winding composite core that magnetic permeability is high to above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a wire winding composite magnetic core that magnetic conductivity is high 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:

the utility model provides a high wire winding composite magnetic core of magnetic conductivity, includes the magnetic core main part, the inboard fixedly connected with ultra-thin heat pipe of magnetic core main part, the bottom outside of ultra-thin heat pipe is provided with first fin and second fin.

Preferably, the inner side of the first heat sink is provided with a first heat dissipation hole, and the inner side of the second heat sink is provided with a second heat dissipation hole.

Preferably, the top and the equal fixedly connected with telescopic link in bottom of second fin, the other end fixedly connected with dop of telescopic link, and dop and first fin block.

Preferably, the outer side of the telescopic rod is provided with a spring, and two ends of the spring are fixedly connected with the second cooling fin and the clamping head respectively.

Preferably, the part of the ultrathin heat pipe located on the inner side of the magnetic core main body is a heat absorption end, and the part of the ultrathin heat pipe located on the outer side of the magnetic core main body is a heat release end.

Preferably, the first heat sink and the second heat sink are both copper.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses in, through first fin, second fin, telescopic link, spring and the dop that sets up, the effect through the dop can be realized the installation or the dismantlement to second fin and second fin fast, easy operation, the staff's of being convenient for use.

2. The utility model discloses in, through the ultra-thin heat pipe that sets up, first fin, first louvre, second fin and second louvre, ultra-thin heat pipe can be siphoned away the heat on magnetic core surface, and give first fin and second fin heat transfer, siphoning away the heat on ultra-thin heat pipe surface through first fin and second fin, can accelerate scattering and disappearing of first fin and second fin surface heat through first heat dissipation and second louvre simultaneously, thereby realize the cooling to the magnetic core, thereby make the magnetic permeability of magnetic core than current magnetic core high.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic view of the bottom-up mounting structure of the chuck of the present invention.

In the figure: 1-magnetic core main body, 2-ultrathin heat pipe, 3-first heat sink, 4-first heat dissipation hole, 5-second heat sink, 6-second heat dissipation hole, 7-telescopic rod, 8-spring, and 9-chuck.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, the present invention provides a technical solution:

the utility model provides a high wire winding composite magnetic core of magnetic conductivity, includes magnetic core main part 1, the inboard fixedly connected with ultra-thin heat pipe 2 of magnetic core main part 1, and the bottom outside of ultra-thin heat pipe 2 is provided with first fin 3 and second fin 5.

The inner side of the first heat sink 3 is provided with a first heat dissipation hole 4, the inner side of the second heat sink 5 is provided with a second heat dissipation hole 6, the first heat dissipation hole 4 and the second heat dissipation hole 6 can accelerate the rapid heat dissipation of the first heat sink 3 and the second heat sink 5, thereby improving the heat dissipation efficiency, the top end and the bottom end of the second heat sink 5 are both fixedly connected with a telescopic rod 7, the other end of the telescopic rod 7 is fixedly connected with a chuck 9, the chuck 9 is clamped with the first heat sink 3, the support of the chuck 9 can be realized through the telescopic rod 7, the outer side of the telescopic rod 7 is provided with a spring 8, the two ends of the spring 8 are respectively fixedly connected with the second heat sink 5 and the chuck 9, the chuck 9 can be driven by the spring 8 to be clamped with the first heat sink 3, the part of the ultrathin clamping heat pipe 2, which is positioned at the inner side of the, the heat on the surface of the magnetic main body 1 can be absorbed through the heat absorption end of the ultrathin heat pipe 2 and transferred to the heat release end of the ultrathin heat pipe 2, the first cooling fin 3 and the second cooling fin 5 are both made of copper, the first cooling fin 3 and the second cooling fin 5 can absorb and release the heat at the heat release end of the ultrathin heat pipe 2, and the first cooling fin 3 and the second cooling fin 5 made of copper materials are high in heat dissipation efficiency.

The working process is as follows: in the utility model, when the first and second heat sinks 3 and 5 are required to be clamped together, the worker holds the first and second heat sinks 3 and 5, then the spring 8 is clamped with the first heat sink 3 through the expansion link 7 and the clamp head 9, the heat generated by the magnetic core main body 1 is absorbed by the ultra-thin heat pipe 2, the heat on the surface of the magnetic main body 1 can be absorbed by the heat absorbing end of the ultra-thin heat pipe 2 and transmitted to the heat releasing end of the ultra-thin heat pipe 2, the first and second heat sinks 3 and 5 can absorb and release the heat at the heat releasing end of the ultra-thin heat pipe 2, the first and second heat sinks 3 and 5 made of copper material have high heat dissipation efficiency, the first and second heat sinks 3 and 5 can be accelerated to dissipate the heat quickly through the first and second heat dissipation holes 4 and 6, thereby the heat on the surface of the magnetic core main body 1 can be dissipated quickly,

although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a wire winding composite core that magnetic permeability is high, includes magnetic core main part (1), its characterized in that: the inboard fixedly connected with ultra-thin heat pipe (2) of magnetic core main part (1), the bottom outside of ultra-thin heat pipe (2) is provided with first fin (3) and second fin (5).

2. A high permeability wound composite core according to claim 1, wherein: the inner side of the first radiating fin (3) is provided with a first radiating hole (4), and the inner side of the second radiating fin (5) is provided with a second radiating hole (6).

3. A high permeability wound composite core according to claim 1, wherein: the top and the equal fixedly connected with telescopic link (7) in bottom of second fin (5), the other end fixedly connected with dop (9) of telescopic link (7), and dop (9) and first fin (3) block.

4. A high permeability wound composite core according to claim 3, wherein: the outside of telescopic link (7) is provided with spring (8), and the both ends of spring (8) respectively with second fin (5) and dop (9) fixed connection.

5. A high permeability wound composite core according to claim 1, wherein: the part of the ultrathin heat pipe (2) on the inner side of the magnetic core main body (1) is a heat absorption end, and the part of the ultrathin heat pipe (2) on the outer side of the magnetic core main body (1) is a heat release end.

6. A high permeability wound composite core according to claim 1, wherein: the first radiating fin (3) and the second radiating fin (5) are both made of copper.

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