CN110828096A - Anti-interference soft magnetic ferrite core and production method thereof - Google Patents
Anti-interference soft magnetic ferrite core and production method thereof Download PDFInfo
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- CN110828096A CN110828096A CN201911085776.7A CN201911085776A CN110828096A CN 110828096 A CN110828096 A CN 110828096A CN 201911085776 A CN201911085776 A CN 201911085776A CN 110828096 A CN110828096 A CN 110828096A
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
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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
- H01F27/02—Casings
- H01F27/022—Encapsulation
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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
-
- 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
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
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- Chemical & Material Sciences (AREA)
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- Manufacturing & Machinery (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The invention discloses an anti-interference soft magnetic ferrite core, which comprises a soft magnetic ferrite core body and a protective shell arranged on the outer side of the soft magnetic ferrite core body, wherein clamping grooves are respectively arranged on two sides of an upper magnetic core body and a lower magnetic core body, the clamping grooves on the same side of the upper magnetic core body and the lower magnetic core body form an annular clamping groove, an anti-interference connecting column is inserted into the middle of the soft magnetic ferrite core body, the left end and the right end of the soft magnetic ferrite core body are respectively connected with a left anti-interference disc and a right anti-interference disc, clamping annular protrusions are respectively arranged on the right end of the left anti-interference disc and the left end of the right anti-interference disc, and the clamping annular protrusions are clamped in the annular clamping grooves on the corresponding side. The invention ensures that the whole connection of the left anti-interference disc, the soft magnetic ferrite magnetic core body, the anti-interference connecting column and the right anti-interference disc is firm and stable; the magnetic core has good protection performance on the soft magnetic ferrite magnetic core body, and the anti-interference capability is improved.
Description
Technical Field
The invention belongs to the technical field of magnetic cores, and particularly relates to an anti-interference soft magnetic ferrite magnetic core and a production method thereof.
Background
The ferrite core is made of dense and homogeneous non-metallic magnetic material with ceramic structure and low coercive force, and is also called soft magnetic ferrite. Compared to other types of magnetic materials, ferrites have the advantage of high magnetic permeability, and have the advantages of high electrical resistance and low eddy current losses over a wide frequency range. The protection effect of the structure of the existing ferrite core is not enough, the structural stability is poor, and the ferrite core is easily interfered when in use.
Disclosure of Invention
The invention aims to provide an anti-interference soft magnetic ferrite core and a production method 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 utility model provides an jam-proof soft magnetic ferrite magnetic core, includes soft magnetic ferrite magnetic core body and sets up in the protective housing in the soft magnetic ferrite magnetic core body outside, soft magnetic ferrite magnetic core body is formed by the combination of the last magnetic core body of semicircle annular and lower magnetic core body, the both sides of going up magnetic core body and lower magnetic core body all are equipped with the draw-in groove, go up the magnetic core body and form annular joint groove with the draw-in groove of lower magnetic core body with one side, the jam-proof spliced pole is inserted at the middle part of soft magnetic ferrite magnetic core body, both ends are connected with left side jam-proof disc and right side jam-proof disc respectively about soft magnetic ferrite magnetic core body, the right-hand member of left side jam-proof disc and the left end of right side jam-proof disc all are equipped with joint ring arch, joint ring arch card is in.
Preferably, the upper end of the lower magnetic core body is provided with an inserting column, and the inserting column is inserted into the positioning blind hole at the lower end of the upper magnetic core body.
Preferably, the left anti-interference disc, the anti-interference connecting column and the right anti-interference disc are fixed through two groups of bolts, and the threaded ends of the bolts sequentially penetrate through the right anti-interference disc and the anti-interference connecting column and are in threaded connection with the left anti-interference disc.
Preferably, the protection shell comprises a fixed cylinder and an end cover, and the whole of the left anti-interference disc, the soft magnetic ferrite magnetic core body, the anti-interference connecting column and the right anti-interference disc is arranged in the fixed cylinder and is sealed with the fixed cylinder through the end cover in a threaded connection mode.
Preferably, an anti-interference insulating layer is filled between the soft magnetic ferrite core body and the protective shell.
The invention also provides a production method of the anti-interference soft magnetic ferrite core, which comprises the following steps:
s1, butting the two ends of the upper magnetic core body and the lower magnetic core body, so that the insertion column at the upper end of the lower magnetic core body is inserted into the positioning blind hole at the lower end of the upper magnetic core body to form a soft magnetic ferrite magnetic core body;
s2, inserting the anti-interference connecting column into the middle of the soft ferrite magnetic core body, and then respectively arranging a left anti-interference disc and a right anti-interference disc at the left end and the right end of the soft ferrite magnetic core body to enable the clamping circular ring bulge to be clamped in the annular clamping groove at the corresponding side;
s3, fixing the left anti-interference disc, the anti-interference connecting column and the right anti-interference disc through two groups of bolts, wherein the threaded ends of the bolts sequentially penetrate through the right anti-interference disc and the anti-interference connecting column and are in threaded connection with the left anti-interference disc;
and S4, finally, arranging the whole of the left anti-interference disc, the soft magnetic ferrite core body, the anti-interference connecting column and the right anti-interference disc in the fixed cylinder, filling an anti-interference insulating layer between the soft magnetic ferrite core body and the protective shell, and sealing the soft magnetic ferrite core body and the protective shell by screwing the end cover and the fixed cylinder.
Compared with the prior art, the invention has the beneficial effects that: the invention provides an anti-interference soft magnetic ferrite core and a production method thereof.A upper magnetic core body and a lower magnetic core body are made of manganese-zinc ferrite materials; the two ends of the upper magnetic core body and the lower magnetic core body are butted, so that the plug-in column at the upper end of the lower magnetic core body is inserted into the positioning blind hole at the lower end of the upper magnetic core body to form a soft magnetic ferrite magnetic core body, and the butt joint of the upper magnetic core body and the lower magnetic core body is rapid and convenient;
the anti-interference connecting column is inserted into the middle of the soft ferrite magnetic core body, then the left anti-interference disc and the right anti-interference disc are respectively arranged at the left end and the right end of the soft ferrite magnetic core body, so that the clamping ring protrusions are clamped in the annular clamping grooves on the corresponding side, and then the left anti-interference disc, the anti-interference connecting column and the right anti-interference disc are fixed through two groups of bolts, so that the whole connection of the left anti-interference disc, the soft ferrite magnetic core body, the anti-interference connecting column and the right anti-interference disc is firm and stable;
set up the whole of left side jam-proof disc, soft magnetic ferrite magnetic core body, jam-proof spliced pole and right side jam-proof disc in fixed drum to it has anti-interference insulating layer to fill between soft magnetic ferrite magnetic core body and protective housing, and is sealed through end cover and fixed drum spiro union, makes like this to have fine protectiveness to soft magnetic ferrite magnetic core body, improves the interference killing feature.
Drawings
FIG. 1 is a schematic diagram of an exploded structure of a left anti-interference disc, a soft magnetic ferrite core body, an anti-interference connection post, a right anti-interference disc and a protection shell according to the present invention;
fig. 2 is a schematic exploded view of the soft ferrite core body of the present invention.
In the figure: the device comprises an upper magnetic core body 1, a lower magnetic core body 2, a clamping groove 3, a 4-plug column, a left interference-proof disc 5, a clamping ring bulge 6, an interference-proof connecting column 7, a right interference-proof disc 8, a bolt 9, an end cover 10 and a fixed cylinder 11.
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 anti-interference soft magnetic ferrite core as shown in figures 1-2, which comprises a soft magnetic ferrite core body and a protective shell arranged outside the soft magnetic ferrite core body, the soft magnetic ferrite magnetic core body is formed by combining a semicircular upper magnetic core body 1 and a semicircular lower magnetic core body 2, the two sides of the upper magnetic core body 1 and the lower magnetic core body 2 are both provided with a clamping groove 3, the clamping grooves 3 on the same side of the upper magnetic core body 1 and the lower magnetic core body 2 form an annular clamping groove, an anti-interference connecting post 7 is inserted into the middle part of the soft magnetic ferrite core body, the left end and the right end of the soft magnetic ferrite core body are respectively connected with a left anti-interference disc 5 and a right anti-interference disc 8, the right-hand member of left side jam-proof disc 5 and the left end of right side jam-proof disc 8 all are equipped with joint ring arch 6, the protruding 6 cards of joint ring is in the annular joint inslot that corresponds one side.
Specifically, the upper end of the lower magnetic core body 2 is provided with an inserting column 4, and the inserting column 4 is inserted into the positioning blind hole at the lower end of the upper magnetic core body 1.
Specifically, the left-side anti-interference disc 5, the anti-interference connecting column 7 and the right-side anti-interference disc 8 are fixed through two groups of bolts 9, and the threaded ends of the bolts 9 sequentially penetrate through the right-side anti-interference disc 8 and the anti-interference connecting column 7 and are in threaded connection with the left-side anti-interference disc 5.
Specifically, the protective shell comprises a fixed cylinder 11 and an end cover 10, and the whole of the left anti-interference disk 5, the soft magnetic ferrite magnetic core body, the anti-interference connecting column 7 and the right anti-interference disk 8 is arranged in the fixed cylinder 11 and is sealed with the fixed cylinder 11 through the end cover 10 in a threaded connection manner.
Specifically, an anti-interference insulating layer is filled between the soft magnetic ferrite magnetic core body and the protective shell.
The invention also provides a production method of the anti-interference soft magnetic ferrite core, which comprises the following steps:
s1, butting the two ends of the upper magnetic core body 1 and the lower magnetic core body 2, so that the plug-in post 4 at the upper end of the lower magnetic core body 2 is inserted into the positioning blind hole at the lower end of the upper magnetic core body 1 to form a soft magnetic ferrite magnetic core body;
s2, inserting the anti-interference connecting column 7 into the middle of the soft ferrite magnetic core body, and then respectively arranging the left anti-interference disc 5 and the right anti-interference disc 8 at the left end and the right end of the soft ferrite magnetic core body to enable the clamping ring bulge 6 to be clamped in the annular clamping groove at the corresponding side;
s3, fixing the left anti-interference disc 5, the anti-interference connecting column 7 and the right anti-interference disc 8 through two groups of bolts 9, wherein the threaded ends of the bolts 9 sequentially penetrate through the right anti-interference disc 8 and the anti-interference connecting column 7 and are in threaded connection with the left anti-interference disc 5;
s4, finally, the whole of the left anti-interference disk 5, the soft magnetic ferrite core body, the anti-interference connecting column 7 and the right anti-interference disk 8 is arranged in the fixed cylinder 11, an anti-interference insulating layer is filled between the soft magnetic ferrite core body and the protective shell, and the anti-interference insulating layer is in threaded connection with the fixed cylinder 11 through the end cover 10.
In summary, compared with the prior art, the upper magnetic core body 1 and the lower magnetic core body 2 of the invention are made of manganese-zinc ferrite material; the two ends of the upper magnetic core body 1 and the lower magnetic core body 2 are butted, so that the plug-in column 4 at the upper end of the lower magnetic core body 2 is inserted into the positioning blind hole at the lower end of the upper magnetic core body 1 to form a soft magnetic ferrite magnetic core body, and the butt joint of the upper magnetic core body 1 and the lower magnetic core body 2 is rapid and convenient;
the anti-interference connecting column 7 is inserted into the middle of the soft ferrite magnetic core body, then the left anti-interference disc 5 and the right anti-interference disc 8 are respectively arranged at the left end and the right end of the soft ferrite magnetic core body, so that the clamping ring protrusions 6 are clamped in the annular clamping grooves on the corresponding side, and then the left anti-interference disc 5, the anti-interference connecting column 7 and the right anti-interference disc 8 are fixed through two groups of bolts 9, so that the integral connection of the left anti-interference disc 5, the soft ferrite magnetic core body, the anti-interference connecting column 7 and the right anti-interference disc 8 is firm and stable;
set up the whole of left side jam-proof disc 5, soft magnetic ferrite magnetic core body, jam-proof spliced pole 7 and right side jam-proof disc 8 in fixed drum 11 to it has the anti-interference insulating layer to fill between soft magnetic ferrite magnetic core body and protective housing, and it is sealed with 11 spiro unions of fixed drum through end cover 10, makes like this to have fine protectiveness to soft magnetic ferrite magnetic core body, improves the interference killing feature.
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 (6)
1. The utility model provides an interference-proof soft magnetic ferrite magnetic core, includes soft magnetic ferrite magnetic core body and sets up in the protective housing in the soft magnetic ferrite magnetic core body outside, soft magnetic ferrite magnetic core body is formed its characterized in that by the combination of the annular last magnetic core body of semicircle (1) and lower magnetic core body (2): go up the both sides of magnetic core body (1) and lower magnetic core body (2) and all be equipped with draw-in groove (3), go up magnetic core body (1) and lower magnetic core body (2) and form annular joint groove with draw-in groove (3) of one side, jam-proof spliced pole (7) are inserted at the middle part of soft magnetic ferrite magnetic core body, both ends are connected with left side jam-proof disc (5) and right side jam-proof disc (8) respectively about soft magnetic ferrite magnetic core body, the right-hand member of left side jam-proof disc (5) and the left end of right side jam-proof disc (8) all are equipped with joint ring arch (6), joint ring arch (6) card is in the annular joint inslot of corresponding one side.
2. The interference-proof soft ferrite core according to claim 1, wherein: the upper end of the lower magnetic core body (2) is provided with a plug-in column (4), and the plug-in column (4) is inserted into the positioning blind hole at the lower end of the upper magnetic core body (1).
3. The interference-proof soft ferrite core according to claim 1, wherein: the left-side anti-interference disc (5), the anti-interference connecting column (7) and the right-side anti-interference disc (8) are fixed through two groups of bolts (9), and the threaded ends of the bolts (9) sequentially penetrate through the right-side anti-interference disc (8) and the anti-interference connecting column (7) and are in threaded connection with the left-side anti-interference disc (5).
4. The interference-proof soft ferrite core according to claim 1, wherein: the protection shell comprises a fixed cylinder (11) and an end cover (10), and the whole of the left anti-interference disc (5), the soft magnetic ferrite magnetic core body, the anti-interference connecting column (7) and the right anti-interference disc (8) is arranged in the fixed cylinder (11) and is sealed with the fixed cylinder (11) through the end cover (10) in a threaded manner.
5. The interference-proof soft ferrite core according to claim 1, wherein: and an anti-interference insulating layer is filled between the soft magnetic ferrite magnetic core body and the protective shell.
6. A method for producing the interference-proof soft ferrite core of claim 1, wherein: the method specifically comprises the following steps:
s1, butting the two ends of the upper magnetic core body (1) and the lower magnetic core body (2) to enable the plug-in column (4) at the upper end of the lower magnetic core body (2) to be inserted into the positioning blind hole at the lower end of the upper magnetic core body (1) to form a soft magnetic ferrite magnetic core body;
s2, inserting the anti-interference connecting column (7) into the middle of the soft ferrite magnetic core body, and then respectively arranging the left anti-interference disc (5) and the right anti-interference disc (8) at the left end and the right end of the soft ferrite magnetic core body to enable the clamping circular protrusions (6) to be clamped in the annular clamping grooves on the corresponding sides;
s3, fixing the left anti-interference disc (5), the anti-interference connecting column (7) and the right anti-interference disc (8) through two groups of bolts (9), wherein the threaded ends of the bolts (9) sequentially penetrate through the right anti-interference disc (8) and the anti-interference connecting column (7) and are in threaded connection with the left anti-interference disc (5);
s4, finally, the whole of the left anti-interference disc (5), the soft magnetic ferrite magnetic core body, the anti-interference connecting column (7) and the right anti-interference disc (8) is arranged in the fixed cylinder (11), an anti-interference insulating layer is filled between the soft magnetic ferrite magnetic core body and the protective shell, and the anti-interference insulating layer is in threaded connection with the fixed cylinder (11) through the end cover (10).
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Citations (6)
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JP2000058331A (en) * | 1998-08-06 | 2000-02-25 | Masaru Sato | Shape of core for thin and compact transformer |
US20020153981A1 (en) * | 2001-04-24 | 2002-10-24 | Qiang Zhao | Functional material-composite structural magnetic core |
CN101354947A (en) * | 2007-07-27 | 2009-01-28 | 台达电子工业股份有限公司 | Magnetic element and manufacturing method thereof |
CN103219141A (en) * | 2013-04-27 | 2013-07-24 | 福州大学 | Alternating current inductor with controllable inductance value |
CN206312718U (en) * | 2016-12-31 | 2017-07-07 | 中山尔比特磁电科技有限公司 | A kind of low frequency electrodeless lamp magnetic ferrite magnetic core |
CN207134210U (en) * | 2017-09-12 | 2018-03-23 | 山东巨恒电子有限责任公司 | A kind of New Anti-interference magnetic ferrite magnetic core |
-
2019
- 2019-11-08 CN CN201911085776.7A patent/CN110828096B/en active Active
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000058331A (en) * | 1998-08-06 | 2000-02-25 | Masaru Sato | Shape of core for thin and compact transformer |
US20020153981A1 (en) * | 2001-04-24 | 2002-10-24 | Qiang Zhao | Functional material-composite structural magnetic core |
CN101354947A (en) * | 2007-07-27 | 2009-01-28 | 台达电子工业股份有限公司 | Magnetic element and manufacturing method thereof |
CN103219141A (en) * | 2013-04-27 | 2013-07-24 | 福州大学 | Alternating current inductor with controllable inductance value |
CN206312718U (en) * | 2016-12-31 | 2017-07-07 | 中山尔比特磁电科技有限公司 | A kind of low frequency electrodeless lamp magnetic ferrite magnetic core |
CN207134210U (en) * | 2017-09-12 | 2018-03-23 | 山东巨恒电子有限责任公司 | A kind of New Anti-interference magnetic ferrite magnetic core |
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