CN212694944U

CN212694944U - Anti direct current composite iron core

Info

Publication number: CN212694944U
Application number: CN202021948916.7U
Authority: CN
Inventors: 邱菊
Original assignee: Nantong Hualu New Materials Science And Technology Co ltd
Current assignee: Nantong Hualu New Materials Science And Technology Co ltd
Priority date: 2020-09-09
Filing date: 2020-09-09
Publication date: 2021-03-12
Anticipated expiration: 2030-09-09

Abstract

The utility model provides an anti direct current composite core, including first shell, second shell, support base and annular core, the first shell back is equipped with the second shell, the second shell back is equipped with the second and leads to the groove, second shell top is equipped with the cassette, first shell bottom is equipped with the support base, it is equipped with the screw hole to support the base upper surface, first shell includes fixed fixture block, first cardboard and second cardboard, first shell top is equipped with fixed fixture block, the inside annular core that is equipped with of first shell, the annular core surface is equipped with the coil, compares with prior art, the utility model discloses following beneficial effect has: the utility model discloses an anti direct current composite core, through the first shell and the convenient annular iron core installation of second shell that set up, through a plurality of fin that set up, increase annular iron core's heat radiating area to improve annular iron core heat dispersion.

Description

Anti direct current composite iron core

Technical Field

The utility model relates to an anti direct current composite core belongs to the composite core field.

Background

The conventional transformer core is generally made of silicon steel sheet. The silicon steel is a silicon-containing steel, and the silicon content is 0.8-4.8%. The iron core of the transformer is made of silicon steel, because the silicon steel is a magnetic substance with strong magnetic conductivity, and in the electrified coil, the silicon steel can generate larger magnetic induction intensity, thereby reducing the volume of the transformer.

The existing annular iron core has poor heat dissipation performance, when load impedance exceeds a certain value, a saturation phenomenon can occur, the iron core generates heat after saturation, the precision is rapidly reduced, and the heat generated by the iron core cannot be dissipated, so that a transformer is easily short-circuited and burnt.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti direct current composite core, through increasing interior radiating ring, outer radiating ring and conducting strip to solve the problem of proposing among the above-mentioned background art.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a direct-current-resistant composite iron core comprises a first shell, a second shell, a supporting base and an annular iron core, wherein the back of the first shell is provided with the second shell, the back of the second shell is provided with a second through groove, the top of the second shell is provided with a clamping base, the bottom of the first shell is provided with the supporting base, the upper surface of the supporting base is provided with a threaded hole, the first shell comprises a fixing clamping block, a first clamping plate and a second clamping plate, the top of the first shell is provided with the fixing clamping block, the upper surface of the fixing clamping block is provided with an inclined plane, the front surface of the first shell is provided with a first through groove, the first shell is internally provided with the first clamping plate and the second clamping plate, the first shell is internally provided with the annular iron core, the outer surface of the annular iron core is provided with a coil, the outer part of the coil is provided with an outer heat dissipation ring, the inner heat dissipation ring is, a first clamping groove and a second clamping groove are formed in the radiating fin.

Furthermore, the inner diameter of the second through groove is smaller than the inner diameter of the annular iron core, the clamping seats are of a U-shaped structure, four clamping seats are arranged outside the second shell, and the four clamping seats are respectively located in the middle of the upper surface of the second shell, in the middle of the bottom of the second shell, in the middle of the left side of the second shell and on the right side of the second shell.

Further, fixed fixture block is trapezium structure, fixed fixture block is equipped with four, four fixed fixture block is located first shell upper surface middle, first shell bottom middle, first shell left side middle and first shell right side respectively.

Furthermore, an inner radiating ring is arranged inside the first clamping groove, an outer radiating ring is arranged in the second clamping groove, a plurality of radiating fins are arranged on the front surface of the annular iron core, and the radiating fins are fixed on the front surfaces of the inner radiating ring and the outer radiating ring through welding.

Furthermore, the inner heat dissipation ring, the outer heat dissipation ring and the heat conducting fin are made of copper materials, and insulating coatings are arranged on the outer surfaces of the inner heat dissipation ring, the outer heat dissipation ring and the heat conducting fin.

The utility model has the advantages that: the utility model discloses an anti direct current composite core, through the first shell and the convenient annular iron core installation of second shell that set up, through a plurality of fin that set up, increase annular iron core's heat radiating area to improve annular iron core heat dispersion.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

fig. 1 is a schematic structural diagram of a dc-resistant composite iron core of the present invention;

fig. 2 is a top view of the dc-resistant composite core of the present invention;

fig. 3 is a cross-sectional view of a dc-resistant composite iron core of the present invention;

fig. 4 is a schematic view of a heat sink of the dc-resistant composite core of the present invention;

fig. 5 is a cross-sectional view of a first shell of a dc-resistant composite core according to the present invention;

fig. 6 is a cross-sectional view of a second shell of the dc-resistant composite core of the present invention;

in the figure: 1-a first shell, 101-a first through groove, 102-a fixed clamping block, 103-an inclined plane, 104-a first clamping plate, 105-a second clamping plate, 2-a supporting base, 201-a threaded hole, 3-a second shell, 301-a clamping seat, 302-a second through groove, 4-an outer radiating ring, 5-an inner radiating ring, 6-a radiating fin, 601-a first clamping groove, 602-a second clamping groove and 7-a toroidal core.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 6, the present invention provides a technical solution: a direct current resistant composite iron core comprises a first shell 1, a second shell 3, a supporting base 2 and an annular iron core 7, wherein the back of the first shell 1 is provided with the second shell 3, the back of the second shell 3 is provided with a second through groove 302, the top of the second shell 3 is provided with a clamping base 301, the bottom of the first shell 1 is provided with the supporting base 2, the upper surface of the supporting base 2 is provided with a threaded hole 201, the first shell 1 comprises a fixed clamping block 102, a first clamping block 104 and a second clamping block 105, the top of the first shell 1 is provided with the fixed clamping block 102, the upper surface of the fixed clamping block 102 is provided with an inclined plane 103, the front surface of the first shell 1 is provided with a first through groove 101, the first clamping block 104 and the second clamping block 105 are arranged inside the first shell 1, the annular iron core 7 is arranged inside the first shell 1, the outer surface of the annular iron core 7 is provided with a coil, the outer heat dissipation ring 4 is arranged outside the coil, a first card slot 601 and a second card slot 602 are arranged inside the heat sink 6.

The inside diameter of second through-slot 302 is less than the inside diameter of annular core 7, cassette 301 is "U" font structure, and second shell 3 outside is equipped with four cassettes 301, and four cassettes 301 are located respectively in the middle of second shell 3 upper surface, in the middle of second shell 3 bottom, in the middle of second shell 3 left side and the 3 right sides of second shell, and through the cooperation of the second cassette 301 that sets up and fixed cassette 301, the fixing of first shell 1 and second shell 3, easy to assemble is carried out.

The four fixed fixture blocks 102 are respectively located in the middle of the upper surface of the first housing 1, in the middle of the bottom of the first housing 1, in the middle of the left side of the first housing 1, and on the right side of the first housing 1, and the heat dissipation performance of the annular core 7 is increased by the arrangement of the first through groove 101 and the second through groove 302.

Inside cooling ring 5 in being equipped with of first draw-in groove 601, be equipped with outer cooling ring 4 in the second draw-in groove 602, annular core 7 front surface is equipped with a plurality of fin 6, and including cooling ring 5 and outer cooling ring 4 front surface through welded fastening, through a plurality of fin 6 that set up, increase annular core 7's heat radiating area to improve annular core 7 heat dispersion.

The inner radiating ring 5, the outer radiating ring 4 and the heat conducting sheet are made of copper materials, insulating coatings are arranged on the outer surfaces of the inner radiating ring 5, the outer radiating ring 4 and the heat conducting sheet, and copper has good heat conductivity.

As an embodiment of the present invention: in the practical use process, the welded radiating fins 6, the inner radiating ring 5 and the outer radiating ring 4 are placed in the first shell 1, the top ends of the radiating fins 6 are respectively inserted between the first clamping plate 104 and the second clamping plate 105, the radiating area of the annular iron core 7 is increased through the plurality of radiating fins 6, thereby improving the heat dissipation performance of the annular iron core 7, putting the annular iron core 7 wound by the coil between the inner heat dissipation ring 5 and the outer heat dissipation ring 4, installing the second shell 3 on the first shell 1, clamping the clamping seat 301 on the second shell 3 into the bottom of the fixed clamping block 102 on the first shell 1, fixing the annular iron core 7 between the inner heat dissipation ring 5 and the outer heat dissipation ring 4, the clamping seat 301 is easier to clamp by the arranged inclined surface 103, a screw is inserted into the threaded hole 201, the support base 2 is mounted on the circuit board by rotating the screws, and the mounting of the first housing 1 and the second housing 3 is completed.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above embodiments, and although the present invention has been disclosed with the preferred embodiments, it is not limited to the present invention, and any skilled person in the art can make some modifications or equivalent embodiments without departing from the scope of the present invention, but all the technical matters of the present invention are within the scope of the present invention.

Claims

1. The utility model provides an anti direct current composite core, includes first shell, second shell, supports base and annular core, its characterized in that: the improved structure of the heat dissipation ring comprises a first shell, and is characterized in that a second shell is arranged on the back of the first shell, a second through groove is formed in the back of the second shell, a clamping seat is arranged at the top of the second shell, a supporting base is arranged at the bottom of the first shell, a threaded hole is formed in the upper surface of the supporting base, the first shell comprises a fixed clamping block, a first clamping plate and a second clamping plate, a fixed clamping block is arranged at the top of the first shell, an inclined plane is arranged on the upper surface of the fixed clamping block, a first through groove is formed in the front surface of the first shell, the first clamping plate and the second clamping plate are arranged in the first shell, an annular iron core is arranged in the first shell, a coil is arranged on the outer surface of the annular iron core, an outer heat dissipation ring is arranged outside the coil, an inner heat dissipation ring is arranged inside the coil.

2. The direct current resistant composite iron core according to claim 1, characterized in that: the inner diameter of the second through groove is smaller than that of the annular iron core, the clamping seats are of U-shaped structures, four clamping seats are arranged outside the second shell, and the four clamping seats are respectively located in the middle of the upper surface of the second shell, in the middle of the bottom of the second shell, in the middle of the left side of the second shell and on the right side of the second shell.

3. The direct current resistant composite iron core according to claim 1, characterized in that: the fixed fixture blocks are of a trapezoidal structure and are four in number, and the four fixed fixture blocks are respectively located in the middle of the upper surface of the first shell, the bottom of the first shell, the left of the first shell and the right of the first shell.

4. The direct current resistant composite iron core according to claim 1, characterized in that: the inside heat dissipation ring that is equipped with of first draw-in groove, be equipped with outer heat dissipation ring in the second draw-in groove, annular core front surface is equipped with a plurality of fin, and is a plurality of the fin passes through weld fixation including heat dissipation ring and outer heat dissipation ring front surface.

5. The direct current resistant composite iron core according to claim 1, characterized in that: the inner radiating ring, the outer radiating ring and the heat conducting fin are made of copper materials, and insulating coatings are arranged on the outer surfaces of the inner radiating ring, the outer radiating ring and the heat conducting fin.