CN110828132B - Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof - Google Patents
Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof Download PDFInfo
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- CN110828132B CN110828132B CN201911085715.0A CN201911085715A CN110828132B CN 110828132 B CN110828132 B CN 110828132B CN 201911085715 A CN201911085715 A CN 201911085715A CN 110828132 B CN110828132 B CN 110828132B
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/263—Fastening parts of the core together
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/26—Fastening parts of the core together; Fastening or mounting the core on casing or support
- H01F27/266—Fastening or mounting the core on casing or support
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
Abstract
The invention discloses an eight-diagram fan-shaped eight-part combined ferrite core for a switch mode power supply, which comprises a combined ferrite core body, wherein the combined ferrite core body comprises eight groups of combined fan-shaped magnetic cores, one side of each fan-shaped magnetic core is provided with a sliding connection bulge, the other side of each fan-shaped magnetic core is provided with a sliding connection groove, the sliding connection bulges on the fan-shaped magnetic cores are in sliding connection with the sliding connection grooves on the adjacent fan-shaped magnetic cores, winding grooves at the bottoms of the eight groups of fan-shaped magnetic cores form a circular ring groove, and the combined ferrite core body is sealed and fixed through a cylindrical barrel at the upper end of the combined ferrite core body and an end cover. The sliding connection bulge on the fan-shaped magnetic core is in sliding connection with the sliding connection groove on the adjacent fan-shaped magnetic core, so that the fan-shaped magnetic core is convenient to assemble and disassemble; the combined ferrite core body has good protection effect after being sealed and fixed by the cylindrical barrel and the end cover at the lower end of the cylindrical barrel, and is favorable for the structural stability of the combined ferrite core body.
Description
Technical Field
The invention belongs to the technical field of ferrite cores, and particularly relates to an eight-diagram fan-shaped eight-part combined ferrite core for a switch mode power supply and a manufacturing process thereof.
Background
A ferrite core is a high-frequency magnetic conductive material, mainly used as high-frequency transformers (such as switch power supply, line output transformer, etc.), high-frequency magnetic rings (for anti-interference), etc., the existing combined ferrite core has high difficulty in assembly and installation, is inconvenient to operate, has poor structural stability after assembly and installation, is easy to loosen, and has poor fixing and protection properties on the combined ferrite core.
Disclosure of Invention
The invention aims to provide an eight-diagram fan-shaped eight-part combined ferrite core for a switch mode power supply and a manufacturing process thereof, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the eight-diagram fan-shaped eight-part combined ferrite core for the switch mode power supply comprises a combined ferrite core body, wherein the combined ferrite core body comprises eight groups of combined fan-shaped magnetic cores, one side of each fan-shaped magnetic core is provided with a sliding connection bulge, the other side of each fan-shaped magnetic core is provided with a sliding connection groove, the sliding connection bulges on the fan-shaped magnetic cores are in sliding connection with the sliding connection grooves on the adjacent fan-shaped magnetic cores, winding grooves are formed in the bottoms of the fan-shaped magnetic cores, a circular ring groove is formed by the winding grooves in the bottoms of the eight groups of fan-shaped magnetic cores, and the combined ferrite core body is sealed and fixed through a cylindrical barrel at the upper end of.
Preferably, the combined ferrite core body is formed by combining eight groups of sector-shaped magnetic cores into a cylinder.
Preferably, the inner side of the upper end of the end cover is provided with a circular raised ring, and the circular raised ring is clamped in the circular groove.
Preferably, a fixed cylinder is arranged in the middle of the upper end of the end cover, the fixed cylinder extends into a round hole formed in the middle of the eight groups of fan-shaped magnetic cores, a cross connecting column is clamped in a cross clamping groove in the middle of the cylindrical cylinder, and the cross connecting column is inserted into the fixed cylinder.
Preferably, the upper end of the cross connecting column is provided with a limiting disc positioned at the upper end of the cylindrical barrel, the bottom of the cross connecting column is in threaded connection with a bolt, the threaded end of the bolt penetrates through the end cover and extends into the fixed cylindrical barrel, and finally the threaded end of the bolt is in threaded connection with the bottom of the cross connecting column.
The invention also provides a manufacturing process of the eight diagrams fan-shaped eight-part combined ferrite magnetic core for the switch mode power supply, which comprises the following steps:
s1, sliding connection protrusions on the fan-shaped magnetic cores are in sliding connection with sliding connection grooves on the adjacent fan-shaped magnetic cores, so that eight groups of fan-shaped magnetic cores are combined together to form a cylindrical combined ferrite magnetic core body;
s2, winding the metal wire into a circular groove formed by winding grooves at the bottom of eight groups of sector magnetic cores to form a coil;
s3, fixing the combined ferrite magnetic core body on the end cover, and simultaneously enabling the fixed cylinder to extend into a circular hole formed in the middle of the eight groups of fan-shaped magnetic cores, and enabling the circular raised ring to be clamped in the circular groove;
s4, clamping the cylinder barrel at the upper end of the combined ferrite core body, enabling the combined ferrite core body to be located in the cylinder barrel, clamping the bottom of the cross connecting column in the cross clamping groove, simultaneously enabling the cross connecting column to be inserted into the fixed cylinder, enabling the lower end of the limiting disc to abut against the upper end of the cylinder barrel, enabling the threaded end of the bolt to penetrate through the end cover and extend into the fixed cylinder, and finally screwing the threaded end of the bolt to the bottom of the cross connecting column.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an eight diagrams fan-shaped eight-part combined ferrite magnetic core for a switch mode power supply and a manufacturing process thereof, wherein a sliding connection bulge on a fan-shaped magnetic core is in sliding connection with a sliding connection groove on an adjacent fan-shaped magnetic core, so that the fan-shaped magnetic core is convenient to assemble and disassemble;
the combined ferrite magnetic core body has good protection effect after being sealed and fixed by the cylindrical barrel and the end cover at the lower end of the cylindrical barrel, and is beneficial to the structural stability of the combined ferrite magnetic core body;
the cross connecting column is clamped in the cross clamping groove in the middle of the cylindrical barrel, and after the cross connecting column is fixed through a bolt, the cylindrical barrel can be prevented from rotating relative to the combined ferrite magnetic core body, so that the cylindrical barrel and the end cover at the lower end of the cylindrical barrel can seal and fix the combined ferrite magnetic core body;
the protruding circle card of ring is in the ring recess, makes eight groups of fan-shaped magnetic cores combination the combination ferrite core body stable in structure who forms together like this, and fan-shaped magnetic core can not appear becoming flexible, and can extrude the coil in the ring recess simultaneously, prevents that the coil is loose.
Drawings
FIG. 1 is an exploded view of the present invention;
FIG. 2 is an exploded view of the composite ferrite core body of the present invention;
FIG. 3 is a schematic perspective view of a composite ferrite core body according to the present invention;
fig. 4 is a schematic structural diagram of a sector core according to the present invention.
In the figure: the device comprises a cylindrical barrel 1, a cross clamping groove 2, a cross connecting column 3, a limiting disc 4, a fan-shaped magnetic core 5, a winding groove 51, a sliding connection groove 52, a sliding connection bulge 53, a circular ring bulge loop 6, a fixed cylindrical barrel 7, a bolt 8, a circular hole 9 and an end cover 10.
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.
Example 1
The invention provides an eight-diagram fan-shaped eight-part combined ferrite core for a switch mode power supply, which comprises a combined ferrite core body, wherein the combined ferrite core body comprises eight groups of combined fan-shaped magnetic cores 5, one side of each fan-shaped magnetic core 5 is provided with a sliding connection bulge 53, the other side of each fan-shaped magnetic core 5 is provided with a sliding connection groove 52, and the sliding connection bulge 53 on each fan-shaped magnetic core 5 is in sliding connection with the sliding connection groove 52 on the adjacent fan-shaped magnetic core 5, so that the fan-shaped magnetic cores 5 are convenient to assemble and disassemble;
the bottom of the fan-shaped magnetic core 5 is provided with winding slots 51, and eight groups of winding slots 51 at the bottom of the fan-shaped magnetic core 5 form a circular groove;
the combined ferrite magnetic core body is sealed and fixed through the cylindrical barrel 1 at the upper end and the end cover 10 at the lower end of the cylindrical barrel, so that the combined ferrite magnetic core body has a good protection effect after being sealed and fixed through the cylindrical barrel 1 and the end cover 10 at the lower end of the cylindrical barrel, and the structural stability of the combined ferrite magnetic core body is facilitated.
Specifically, the combined ferrite core body is formed by combining eight sets of the sector cores 5 into a cylinder.
Specifically, the inner side of the upper end of the end cover 10 is provided with the annular raised ring 6, and the annular raised ring 6 is clamped in the annular groove, so that the combined ferrite magnetic core body formed by combining eight groups of the fan-shaped magnetic cores 5 is stable in structure, the fan-shaped magnetic cores 5 cannot be loosened, and meanwhile, the coils in the annular groove can be extruded to prevent the coils from being loosened;
specifically, a fixed cylinder 7 is arranged in the middle of the upper end of the end cover 10, the fixed cylinder 7 extends into a circular hole 9 formed in the middle of eight groups of the fan-shaped magnetic cores 5, a cross connecting column 3 is clamped in a cross clamping groove 2 in the middle of the cylindrical barrel 1, and the cross connecting column 3 is inserted into the fixed cylinder 7;
specifically, the upper end of the cross connecting column 3 is provided with a limiting disc 4 positioned at the upper end of the cylindrical barrel 1, the bottom of the cross connecting column 3 is in threaded connection with a bolt 8, the threaded end of the bolt 8 penetrates through the end cover 10 and extends into the fixed cylindrical barrel 7, and finally the threaded end of the bolt 8 is in threaded connection with the bottom of the cross connecting column 3;
the cross connecting column 3 is connected in the cross clamping groove 2 in the middle of the cylindrical barrel 1 in a clamping mode, the cylindrical barrel 1 can be prevented from rotating relative to the combined ferrite core body after the cross connecting column 3 is fixed through the bolt 8, and the cylindrical barrel 1 and the end cover 10 at the lower end of the cylindrical barrel can be used for sealing and fixing the combined ferrite core body.
The invention also provides a manufacturing process of the eight diagrams fan-shaped eight-part combined ferrite magnetic core for the switch mode power supply, which comprises the following steps:
s1, sliding the sliding connection protrusion 53 on the fan-shaped magnetic core 5 to the sliding connection groove 52 on the adjacent fan-shaped magnetic core 5, so that eight groups of fan-shaped magnetic cores 5 are combined together to form a cylindrical combined ferrite magnetic core body;
s2, winding the metal wire into a circular groove formed by the winding slots 51 at the bottom of the eight groups of the fan-shaped magnetic cores 5 to form a coil;
s3, fixing the combined ferrite magnetic core body on an end cover 10, and simultaneously enabling a fixed cylinder 7 to extend into a circular hole 9 formed in the middle of eight groups of fan-shaped magnetic cores 5, and enabling a circular ring raised ring 6 to be clamped in a circular ring groove;
s4, clamping the cylinder barrel 1 at the upper end of the combined ferrite magnetic core body, enabling the combined ferrite magnetic core body to be located in the cylinder barrel 1, clamping the bottom of the cross connecting column 3 in the cross clamping groove 2, simultaneously enabling the cross connecting column 3 to be inserted into the fixed cylinder 7, enabling the lower end of the limiting disc 4 to abut against the upper end of the cylinder barrel 1, enabling the threaded end of the bolt 8 to penetrate through the end cover 10 and extend into the fixed cylinder 7, and finally screwing the threaded end of the bolt 8 to the bottom of the cross connecting column 3.
In summary, compared with the prior art, the sliding connection protrusion 53 on the fan-shaped magnetic core 5 of the present invention is slidably connected to the sliding connection groove 52 on the adjacent fan-shaped magnetic core 5, so that the fan-shaped magnetic core 5 is convenient to assemble and disassemble;
the combined ferrite magnetic core body has good protection effect after being sealed and fixed by the cylindrical barrel 1 and the end cover 10 at the lower end of the cylindrical barrel, and is beneficial to the structural stability of the combined ferrite magnetic core body;
a cross connecting column 3 is clamped in the cross clamping groove 2 in the middle of the cylindrical barrel 1, and after the cross connecting column 3 is fixed through a bolt 8, the cylindrical barrel 1 can be prevented from rotating relative to the combined ferrite magnetic core body, so that the cylindrical barrel 1 and an end cover 10 at the lower end of the cylindrical barrel can seal and fix the combined ferrite magnetic core body;
the protruding circle of ring 6 card is in the ring recess for eight groups of fan-shaped magnetic cores 5 make up the combination ferrite core body stable in structure who forms together like this, and fan-shaped magnetic core 5 can not appear becoming flexible, and can extrude the coil in the ring recess simultaneously, prevents that the coil is loose.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (1)
1. A manufacturing process of eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply is characterized in that:
the eight-diagram fan-shaped eight-part combined ferrite core for the switch mode power supply comprises a combined ferrite core body, wherein the combined ferrite core body comprises eight groups of combined fan-shaped magnetic cores (5), one side of each fan-shaped magnetic core (5) is provided with a sliding connection bulge (53), the other side of each fan-shaped magnetic core is provided with a sliding connection groove (52), the sliding connection bulges (53) on the fan-shaped magnetic cores (5) are in sliding connection with the sliding connection grooves (52) on the adjacent fan-shaped magnetic cores (5), the bottoms of the fan-shaped magnetic cores (5) are provided with winding grooves (51), the winding grooves (51) at the bottoms of the eight groups of fan-shaped magnetic cores (5) form a circular ring groove, and the combined ferrite core body is sealed and fixed through a cylindrical barrel (1) at the upper end of the combined ferrite;
the combined ferrite magnetic core body is formed into a cylinder shape by combining eight groups of fan-shaped magnetic cores (5); a circular ring raised ring (6) is arranged on the inner side of the upper end of the end cover (10), and the circular ring raised ring (6) is clamped in the circular ring groove; a fixed cylinder (7) is arranged in the middle of the upper end of the end cover (10), the fixed cylinder (7) extends into a round hole (9) formed in the middle of the eight groups of fan-shaped magnetic cores (5), a cross connecting column (3) is clamped in a cross clamping groove (2) in the middle of the cylindrical cylinder (1), and the cross connecting column (3) is inserted into the fixed cylinder (7); a limiting disc (4) positioned at the upper end of the cylindrical barrel (1) is arranged at the upper end of the cross connecting column (3), a bolt (8) is screwed at the bottom of the cross connecting column (3), the threaded end of the bolt (8) penetrates through the end cover (10) and extends into the fixed cylinder (7), and finally the threaded end of the bolt is screwed at the bottom of the cross connecting column (3);
the manufacturing process specifically comprises the following steps:
s1, sliding connection bulges (53) on the fan-shaped magnetic cores (5) are in sliding connection with sliding connection grooves (52) on the adjacent fan-shaped magnetic cores (5), so that eight groups of fan-shaped magnetic cores (5) are combined together to form a cylindrical combined ferrite magnetic core body;
s2, winding the metal wire into a circular groove formed by winding slots (51) at the bottom of eight groups of sector magnetic cores (5) in a circle to form a coil;
s3, fixing the combined ferrite magnetic core body on an end cover (10), and simultaneously enabling a fixed cylinder (7) to extend into a circular hole (9) formed in the middle of eight groups of fan-shaped magnetic cores (5) and enabling a circular ring raised ring (6) to be clamped in a circular ring groove;
s4, block cylinder (1) in the upper end of combination ferrite core body, make combination ferrite core body be located cylinder (1), block cross joint post (3) bottom in cross draw-in groove (2), and make cross joint post (3) insert to fixed drum (7) in simultaneously, spacing dish (4) lower extreme supports cylinder (1) upper end, then make the screw thread end of bolt (8) run through end cover (10) and stretch into to fixed drum (7), the spiro union is in the bottom of cross joint post (3) at last.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911085715.0A CN110828132B (en) | 2019-11-08 | 2019-11-08 | Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof |
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| CN201911085715.0A CN110828132B (en) | 2019-11-08 | 2019-11-08 | Eight diagrams fan-shaped eight-part combined ferrite magnetic core for switch mode power supply and manufacturing process thereof |
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| CN110828132A CN110828132A (en) | 2020-02-21 |
| CN110828132B true CN110828132B (en) | 2020-10-13 |
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| CN112614666A (en) * | 2020-12-07 | 2021-04-06 | 山东航天电子技术研究所 | Magnetic core structure and manufacturing method of large-size spliced transformer |
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