CN103426605A - Magnetic core assembly - Google Patents
Magnetic core assembly Download PDFInfo
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- CN103426605A CN103426605A CN2013103197657A CN201310319765A CN103426605A CN 103426605 A CN103426605 A CN 103426605A CN 2013103197657 A CN2013103197657 A CN 2013103197657A CN 201310319765 A CN201310319765 A CN 201310319765A CN 103426605 A CN103426605 A CN 103426605A
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Abstract
The invention discloses a magnetic core assembly. The magnetic core assembly is characterized by comprising a winding magnetic core component and a seal magnetic core component; a bottom board and a winding structure protruded out of the front surface of the bottom board are formed on the winding magnetic core component, and two first clamping grooves which are in parallel with the reverse surface of the bottom board and arranged in a mirror symmetry mode with a first centre parting line as the symmetrical axis are formed in the reverse surface of the bottom board; the seal magnetic core component is of a flat board structure, and a second clamping groove penetrating along a third centre parting line is formed in one board surface. The magnetic core assembly has the advantages that the width of a magnetic core is increased, the thickness of the magnetic core is reduced, the magnetic core assembly belongs to flat magnetic cores, and inductance is high; the clamping grooves are specially designed, assembly does not need tape winding, a standard fixture is directly used, and assembly is convenient.
Description
Technical field
The present invention relates to a kind of core assembly, in particular to a kind of core assembly formed by coiling magnetic core piece and encapsulation magnetic core piece.
Background technology
Magnetic core refers to a kind of sintering magnetic metal oxide by various iron oxide compositions of mixtures.For example, manganese-zinc ferrite and nickel-Zn ferrite are typical magnetic core array materials.
Magnetic core has fields such as comparatively being widely used in electronic transformer, inductor, voltage-stabilizing voltage regulator, choke, wind energy, solar energy, 3G.Often two magnetic cores are fitted together to use when using magnetic core, the many modes by bonding of existing magnetic core link together, can cause that the core assembly outward appearance is irregular, there are the problems such as tomography in magnet, the magnet tomography easily makes the magnet magnetic saturation and generates heat, make the inductance value of magnetic core descend, the poor stability of magnetic characteristic.
Summary of the invention
For solving the deficiencies in the prior art, the object of the present invention is to provide one to be convenient to the core assembly that fixture is assembled.
In order to realize above-mentioned target, the present invention adopts following technical scheme:
A kind of coiling magnetic core piece, is characterized in that, be formed with base plate and be formed at the positive winding structure protruded of base plate, above-mentioned base plate reverse side be formed with two be parallel to above-mentioned base plate reverse side using in first separated time as the symmetrically arranged first kind draw-in groove of symmetry axis mirror image.
Further, above-mentioned first kind draw-in groove with respect to separated time in vertical above-mentioned first second in separated time mirror image symmetry, the plate face of above-mentioned base plate is all mirror image symmetries with respect to separated time in separated time and second in above-mentioned first; Above-mentioned base plate is rectangular slab.
Further, above-mentioned winding structure is center pillar and two the limit legs integrally formed with above-mentioned base plate, above-mentioned center pillar and limit leg are the projective structure that is positioned at the front of above-mentioned base plate, above-mentioned center pillar is between above-mentioned two limit legs, above-mentioned limit leg is formed at the edge of above-mentioned base plate minor face, above-mentioned center pillar with respect to separated time place in above-mentioned first and perpendicular to separated time place in first plane and above-mentioned second of above-mentioned base plate plate face and perpendicular to the second equal mirror image symmetry in plane of above-mentioned base plate plate face; Relatively above-mentioned the first plane symmetry of above-mentioned two limit legs, an above-mentioned limit leg forms symmetrical with respect to above-mentioned the second plane self.
Further, above-mentioned center pillar and limit leg are cuboid.
A kind of encapsulation magnetic core piece, is characterized in that, is slab construction, and it is the Equations of The Second Kind draw-in groove connected along separated time in the 3rd on a plate face wherein.
Further, for respect to separated time place in the above-mentioned the 3rd and rectangular slab that be the mirror image symmetry perpendicular to the 3rd plane of plate face, above-mentioned Equations of The Second Kind draw-in groove is the mirror image symmetry about above-mentioned the 3rd plane.
A kind of core assembly comprises: aforesaid coiling magnetic core piece and aforesaid encapsulation magnetic core piece.
Usefulness of the present invention is: increase the width of magnetic core, reduce the thickness of magnetic core, belong to the platypelloid type magnetic core, inductance is high; Special design has draw-in groove, and assembling need to directly not get final product with standard fixture around adhesive tape, ease of assembly.
The accompanying drawing explanation
Fig. 1 is the structural representation of coiling magnetic core piece of the present invention;
Fig. 2 is the structural representation of encapsulation magnetic core piece of the present invention;
Fig. 3 is the schematic diagram of coiling magnetic core piece shown in Fig. 1, Fig. 2 and the combination of encapsulation magnetic core piece;
Fig. 4 is the side schematic view of the coiling magnetic core piece shown in Fig. 1;
Fig. 5 is the side schematic view of the encapsulation magnetic core piece shown in Fig. 1;
Fig. 6 is the schematic bottom view of the coiling magnetic core piece shown in Fig. 1;
Fig. 7 is the schematic bottom view of the encapsulation magnetic core piece shown in Fig. 1;
Fig. 8 is that the master of the coiling magnetic core piece shown in Fig. 1 looks schematic diagram;
Fig. 9 is that the master of the encapsulation magnetic core piece shown in Fig. 1 looks schematic diagram;
Figure 10 is the partial enlarged drawing of first kind draw-in groove in Fig. 1.
The implication of Reference numeral in figure:
The 1-base plate, 2-limit leg, 3-center pillar, 4-first kind draw-in groove, 5-Equations of The Second Kind draw-in groove, 6-breach bottom surface, 7-position limiting structure;
Separated time in a-second, separated time in b-second, separated time in c-the 3rd;
The length of A-coiling magnetic core piece, the height of B-limit leg, the width of C-coiling magnetic core piece, the width of D-center pillar, the spacing of E-limit leg, the height of F-center pillar, the thickness of G-encapsulation magnetic core piece.
Embodiment
Below in conjunction with the drawings and specific embodiments, the present invention is done to concrete introduction.
Core assembly of the present invention, comprise coiling magnetic core piece and encapsulation magnetic core piece.A kind of coiling magnetic core piece as shown in Fig. 1, Fig. 4, Fig. 6, be formed with base plate 1 and be formed at the positive winding structure protruded of base plate 1, base plate 1 reverse side be formed with two be parallel to the base plate reverse side using in first separated time a as the symmetrically arranged first kind draw-in groove 4 of symmetry axis mirror image.
In second, separated time b is perpendicular to separated time a in first, and first kind draw-in groove 4 is with respect to separated time b mirror image symmetry in second, and the plate face of base plate 1 is all mirror image symmetries with respect to separated time b in separated time a and second in first.
As a kind of preferred version, as shown in figure 10, first kind draw-in groove 4 is a breach narrowed down gradually to bottom surface from opening, and the breach surrounding has the face of three inclinations, and another is unlimited face.The degree of depth of breach is 0.75mm.And be provided with a position limiting structure 7 on breach bottom surface 6, position limiting structure is that cross section is leg-of-mutton strip projection, projection coordinates with fixture, ease of assembly.
As a kind of preferred version, base plate 1 is rectangular slab.Winding structure is center pillar 3 and two the limit legs 2 integrally formed with base plate 1, center pillar 3 and limit leg 2 are the projective structure that is positioned at the front of base plate 1, center pillar 3 is between two limit legs 2, and limit leg 2 is formed at the edge of base plate 1 minor face, and center pillar 3 is with respect to the equal mirror image symmetry in the first plane and the second plane; The first plane be in first separated time a place and perpendicular to the plane of base plate 1 plate face, the second plane be in second separated time b place and perpendicular to the plane of base plate 1 plate face.Two relatively above-mentioned the first plane symmetry of limit leg 2, a limit leg 2 forms symmetrical with respect to the second plane self.As a kind of preferred version, center pillar 3 and limit leg 2 are cuboid.
A kind of encapsulation magnetic core piece as shown in Fig. 2, Fig. 5, Fig. 7, be slab construction, and wherein a plate face is provided with the Equations of The Second Kind draw-in groove 5 connected along separated time c in the 3rd.The encapsulation magnetic core piece be with respect to the 3rd plane, become the rectangular slab of mirror image symmetry, the 3rd plane be in the 3rd separated time c place and perpendicular to the plane that encapsulates magnetic core piece plate face.Equations of The Second Kind draw-in groove 5 is also the mirror image symmetry about the 3rd plane, and the section of Equations of The Second Kind draw-in groove 5 is inverted trapezoidal, and the degree of depth of Equations of The Second Kind draw-in groove 5 is 0.75mm.Equations of The Second Kind draw-in groove 5 and first kind draw-in groove 4 cooperatively interact, and by fixture, fix, and the magnetic core piece that will wind the line and encapsulation magnetic core piece are in conjunction with being assembled into core assembly.
As a kind of concrete scheme, we provide the concrete size of core assembly of the present invention shown in Fig. 1, a Fig. 2, have shown the concrete size implication of core assembly of the present invention with reference to Fig. 4, Fig. 5, Fig. 6.
The base plate 1 of coiling magnetic core piece of the present invention is parallel to the width C that the length of separated time a direction in first is the coiling magnetic core piece, and it is parallel to the length A that the length of separated time b direction in second is the coiling magnetic core piece.The encapsulation magnetic core piece is parallel to the length that the length of separated time c direction in the 3rd is the encapsulation magnetic core piece, the encapsulation magnetic core piece is the width for the encapsulation magnetic core piece perpendicular to the length of the 3rd in-plane, its in the 3rd plane perpendicular to the 3rd in the length of the separated time c direction thickness that is the encapsulation magnetic core piece.The length of encapsulation magnetic core piece equal the to wind the line length A of magnetic core piece, the width of encapsulation magnetic core piece equal the to wind the line width C of magnetic core piece.Wherein, the length A of coiling magnetic core piece is 21.8 ± 0.4mm, and the width C of coiling magnetic core piece is 15.8 ± 0.3mm.The thickness G of encapsulation magnetic core piece is 2.9 ± 0.1mm.
The dimensional parameters of product is as shown in table 1:
The dimensional parameters table of table 1 one embodiment of the invention
| A | B | C | D | E | F | G |
| 21.8±0.4 | 5.7±0.1 | 15.8±0.3 | 5±0.15 | 16.8±0.4 | 3.2±0.15 | 2.9±0.1 |
Dimensional units: mm.
The performance parameter of product is as shown in table 2:
The performance parameter table of table 2 one embodiment of the invention
| Ae | Le | Ve | C1 | AL |
| 82.2 | 26.3 | 2160.5 | 0.32 | 5800nH/N 2±25% |
Wherein the unit of Ae is mm
2, the unit of Le is mm, the unit of Ve is mm
3, the inductance measurement condition is as follows, and frequency is 1KHz, and voltage is 300mV.
From size and performance parameter contrast, core assembly of the present invention is compared with existing core assembly, and width increases, and thickness reduces, and belongs to the platypelloid type product, and the overall inductance of magnetic core is improved.
Above demonstration and described basic principle of the present invention, principal character and advantage.The technical staff of the industry should understand, and above-described embodiment does not limit the present invention in any form, and all employings are equal to replaces or technical scheme that the mode of equivalent transformation obtains, all drops in protection scope of the present invention.
Claims (10)
- One kind the coiling magnetic core piece, it is characterized in that, be formed with base plate and be formed at the positive winding structure protruded of base plate, above-mentioned base plate reverse side be formed with two be parallel to above-mentioned base plate reverse side using in first separated time as the symmetrically arranged first kind draw-in groove of symmetry axis mirror image.
- 2. a kind of coiling magnetic core piece according to claim 1, is characterized in that, above-mentioned first kind draw-in groove with respect to separated time in vertical above-mentioned first second in separated time mirror image symmetry.
- 3. a kind of coiling magnetic core piece according to claim 2, is characterized in that, the plate face of above-mentioned base plate is all mirror image symmetries with respect to separated time in separated time and second in above-mentioned first.
- 4. a kind of coiling magnetic core piece according to claim 3, is characterized in that, above-mentioned base plate is rectangular slab.
- 5. a kind of coiling magnetic core piece according to claim 4, it is characterized in that, above-mentioned winding structure is center pillar and two the limit legs integrally formed with above-mentioned base plate, above-mentioned center pillar and limit leg are the projective structure that is positioned at the front of above-mentioned base plate, above-mentioned center pillar is between above-mentioned two limit legs, above-mentioned limit leg is formed at the edge of above-mentioned base plate minor face, above-mentioned center pillar with respect to separated time place in above-mentioned first and perpendicular to separated time place in first plane and above-mentioned second of above-mentioned base plate plate face and perpendicular to the second equal mirror image symmetry in plane of above-mentioned base plate plate face.
- 6. a kind of coiling magnetic core piece according to claim 5, is characterized in that, relatively above-mentioned the first plane symmetry of above-mentioned two limit legs, and an above-mentioned limit leg forms symmetrical with respect to above-mentioned the second plane self.
- 7. a kind of coiling magnetic core piece according to claim 6, is characterized in that, above-mentioned center pillar and limit leg are cuboid.
- 8. an encapsulation magnetic core piece, is characterized in that, is slab construction, and wherein a plate face is provided with the Equations of The Second Kind draw-in groove connected along separated time in the 3rd.
- 9. a kind of encapsulation magnetic core piece according to claim 8, it is characterized in that, for with respect to separated time place in the above-mentioned the 3rd and rectangular slab that be the mirror image symmetry perpendicular to the 3rd plane of plate face, above-mentioned Equations of The Second Kind draw-in groove is the mirror image symmetry about above-mentioned the 3rd plane.
- 10. a core assembly, is characterized in that, comprising: the described encapsulation magnetic core piece of any one in the described coiling magnetic core piece of any one and claim 8 to 9 in claim 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103197657A CN103426605A (en) | 2013-07-26 | 2013-07-26 | Magnetic core assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013103197657A CN103426605A (en) | 2013-07-26 | 2013-07-26 | Magnetic core assembly |
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|---|---|
| CN103426605A true CN103426605A (en) | 2013-12-04 |
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|---|---|---|---|
| CN2013103197657A Pending CN103426605A (en) | 2013-07-26 | 2013-07-26 | Magnetic core assembly |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080055033A1 (en) * | 2006-08-31 | 2008-03-06 | Delta Electronics, Inc. | Transformer and assembling process thereof |
| CN201503752U (en) * | 2009-08-21 | 2010-06-09 | 成都金之川电子有限公司 | Magnetic core of small planar transformer |
| CN203588809U (en) * | 2013-07-26 | 2014-05-07 | 鸿康磁业电子（昆山）有限公司 | Wire wrapping magnetic core member, packaging magnetic core member and magnetic core assembly formed by same |
-
2013
- 2013-07-26 CN CN2013103197657A patent/CN103426605A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20080055033A1 (en) * | 2006-08-31 | 2008-03-06 | Delta Electronics, Inc. | Transformer and assembling process thereof |
| CN201503752U (en) * | 2009-08-21 | 2010-06-09 | 成都金之川电子有限公司 | Magnetic core of small planar transformer |
| CN203588809U (en) * | 2013-07-26 | 2014-05-07 | 鸿康磁业电子（昆山）有限公司 | Wire wrapping magnetic core member, packaging magnetic core member and magnetic core assembly formed by same |
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Application publication date: 20131204 |