CN216698047U

CN216698047U - Solar filtering inductance magnetic core

Info

Publication number: CN216698047U
Application number: CN202220427485.2U
Authority: CN
Inventors: 丁鸿飞; 柯强; 胡昌才
Original assignee: Wuhu Junhua Material Co ltd
Current assignee: Wuhu Junhua Material Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-06-07
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a solar filter inductance magnetic core, which relates to the technical field of inductance electrical elements and comprises a cylindrical core rod, wherein the surface of the core rod is provided with a plurality of heat dissipation grooves, the heat dissipation grooves are strip grooves and are arranged along the axis of the core rod, and the heat dissipation grooves are equidistantly distributed on the circumference of the core rod; both ends of the heat dissipation groove extend to the end part of the core rod; the depth of the heat dissipation groove does not exceed one tenth of the radius length of the core rod; the width of each heat dissipation groove is not more than the distance between every two adjacent heat dissipation grooves; the depth and the width of the heat dissipation groove are not larger than the length of the diameter of the section of the surface winding lead coil. According to the utility model, the strip-shaped heat dissipation grooves with proper depth and width are arranged on the surface of the solid cylindrical core rod, the core rod with the solid structure is fully utilized for conducting magnetic conduction, and the heat dissipation grooves with relatively small volume are utilized for heat dissipation, so that the heat dissipation effect is improved on the premise of ensuring the magnetic permeability, and the purposes of high magnetic permeability and good heat dissipation effect are realized.

Description

Solar filtering inductance magnetic core

Technical Field

The utility model relates to the technical field of inductive electrical elements, in particular to a solar filtering inductive magnetic core.

Background

In a solar inverter system circuit, a filter inductance magnetic core is an important material for enhancing the magnetic conductivity in an inductance coil, so that the inductance of an inductor can be greatly improved. The filter inductance coil is affected by temperature during operation, so the problem of heat generation and heat dissipation of the coil needs to be considered in the case. At present, two common inductance magnetic cores are available on the market, one is an annular magnetic core, and the other is a rod-shaped magnetic core, the former is hollow in structure and good in heat dissipation effect, but the middle part of the former can only conduct magnetism through air, so that the magnetic permeability is reduced; the magnetic core of the latter is of a solid structure, so that the magnetic permeability is ensured, but the heat dissipation effect is poor. Therefore, through continuous research and a large number of experiments, a solar filter inductance magnetic core with high magnetic permeability and good heat dissipation effect is researched and designed.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the solar filter inductance magnetic core, which achieves the purposes of high magnetic permeability and good heat dissipation effect.

In order to solve the technical problems, the utility model provides the following technical scheme:

the utility model provides a solar energy filter inductance magnetic core, includes cylindric plug, the surface of plug is provided with numerous radiating groove, the radiating groove is rectangular groove, and the radiating groove sets up along the axis of plug, the radiating groove is equidistantly distributed on the circumference of plug.

Preferably, both ends of the heat dissipation groove extend to the end of the core rod.

Preferably, the depth of the heat dissipation groove does not exceed one tenth of the length of the radius of the core rod.

Preferably, the width of the heat dissipation groove is not larger than the distance between two adjacent heat dissipation grooves.

Preferably, the depth and the width of the heat dissipation groove are not larger than the length of the diameter of the section of the surface winding lead coil.

Compared with the prior art, the utility model has the following beneficial effects:

according to the utility model, the strip-shaped heat dissipation grooves with proper depth and width are arranged on the surface of the solid cylindrical core rod, the core rod with the solid structure is fully utilized for conducting magnetic conduction, and the heat dissipation grooves with relatively small volume are utilized for heat dissipation, so that the heat dissipation effect is improved on the premise of ensuring the magnetic permeability, the heat dissipation device is more suitable for the solar filter inductor, and the purposes of high magnetic permeability and good heat dissipation effect are realized.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a cross-sectional view taken at A-A of FIG. 1 in accordance with the present invention;

FIG. 3 is a front cross-sectional view of the present invention;

FIG. 4 is a front view of a mandrel for winding a conductive coil on the surface thereof;

fig. 5 is a plan view of the mandrel surface on which the conductive coil is wound.

In the figure: 1. a core rod; 2. a heat sink; 3. a conductive coil.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1 to 5, the present invention provides a technical solution: the utility model provides a solar energy filter inductance magnetic core, includes cylindric plug 1, and the surface of plug 1 is provided with numerous radiating groove 2, and radiating groove 2 is rectangular groove, and radiating groove 2 sets up along the axis of plug 1, and radiating groove 2 is equidistantly distributed on the circumference of plug 1.

As a technical optimization scheme of the utility model, both ends of the heat dissipation groove 2 extend to the end part of the core rod 1, and the heat dissipation groove 2 is not blocked by the surface lead coil 3, so that the heat dissipation effect is ensured.

As a technical optimization scheme of the utility model, the depth of the heat dissipation groove 2 is not more than one tenth of the radius length of the core rod 1, and the core rod 1 is ensured to have enough solid structure to ensure the magnetic permeability.

As a technical optimization scheme of the utility model, the width of the heat dissipation grooves 2 is not more than the distance between two adjacent heat dissipation grooves 2, so that the core rod 1 is ensured to have a sufficient solid structure to ensure the magnetic permeability.

As a technical optimization scheme of the utility model, the depth and the width of the heat dissipation groove 2 are not larger than the length of the diameter of the section of the wire wound on the surface of the conductive coil 3, and compared with the section of the conductive coil 3, the width and the depth of the heat dissipation groove 2 are smaller, so that the core rod 1 is ensured to be mainly conducted by a solid structure for magnetic conduction, and the influence of air magnetic conduction inside the heat dissipation groove 2 with smaller space on the overall magnetic permeability is smaller.

It should be noted that, in this document, terms such as "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a solar energy filter inductance core, includes cylindric plug (1), its characterized in that: the surface of plug (1) is provided with numerous radiating groove (2), radiating groove (2) are rectangular groove, and radiating groove (2) set up along the axis of plug (1), radiating groove (2) equidistance distribution on the circumference of plug (1).

2. The solar filter inductor core of claim 1, wherein: both ends of the heat dissipation groove (2) extend to the end part of the core rod (1).

3. The solar filter inductor core of claim 1, wherein: the depth of the heat dissipation groove (2) does not exceed one tenth of the radius length of the core rod (1).

4. The solar filter inductor core of claim 1, wherein: the width of each heat dissipation groove (2) is not more than the distance between every two adjacent heat dissipation grooves (2).

5. The solar filter inductor core of claim 1, wherein: the depth and the width of the heat dissipation groove (2) are not larger than the length of the diameter of the section of the wire of the surface winding wire coil (3).