CN102693814B - Combined type inductor - Google Patents

Combined type inductor Download PDF

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Publication number
CN102693814B
CN102693814B CN201110068774.4A CN201110068774A CN102693814B CN 102693814 B CN102693814 B CN 102693814B CN 201110068774 A CN201110068774 A CN 201110068774A CN 102693814 B CN102693814 B CN 102693814B
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plug
upper cover
lower cover
cover
combined
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CN102693814A (en
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沈学荣
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JUCI INDUSTRY Co Ltd
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JUCI INDUSTRY Co Ltd
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Abstract

The main purposes of the invention include: overcoming the disadvantage of difficult formation of Fe-Al-Si alloy insulation magnetic powder because of too much forming pressure in the prior art; and combining a hollow cup-shaped outer cover produced with heterogeneous insulation magnetic powder and a Fe-Al-Si alloy mandril into a magnetic element with a closed magnetic path and changing the shapes and structures of mandril and outer cover to enable an inductor to have advantages of easy coiling, easy assembly and heat dissipation.

Description

Combined inductor
Technical field
The present invention is mainly plug and the outer cover combined structure of making design in conjunction with heterogeneous insulated magnetic powder, reaches according to this advantageous properties such as easy coiling, assembling and heat radiation.
Background technology
The large current combined inductor using on the market, mainly divide into following two kinds of kenels:
Kenel one: the integrated magnetic element of plug and enclosing cover, it uses the upper and lower cover combination finished product of pure iron insulated magnetic powder, its as shown in figure 26, its plug designs and is linked in upper and lower cover, therefore without separated plug.
Kenel two: the magnetic element that plug is separated with enclosing cover, it uses the enclosing cover of pure iron or ferro-silicium insulated magnetic powder, then combines with the iron core of bar-shaped pure iron or ferro-silicium insulated magnetic powder, and it is as shown in figure 27.
But as above two kinds of traditional binary states magnetic elements have many distinct disadvantage, it is by shown in the comparison sheet of following summary of the invention.
Summary of the invention
The object of the invention is to: a kind of combined inductor is provided, improves the various shortcomings of existing element.
For achieving the above object, the technical solution used in the present invention is:
A combined inductor, is characterized in that, comprises:
One group of symmetrical upper cover 1 and lower cover 2, it is shaped as goblet, the one hollow perforation 11,21 of central authorities' tool, its side has a strip perforate 12,22, upper cover 1 and lower cover 2 by the insulated magnetic powder of pure iron or ferro-silicium through cold-press moulding, these strip perforate 12,22 width ranges are between 0.5mm~10mm, and upper cover 1 and lower cover 2 external diameters are between 20mm~120mm, more than upper cover 1 is greater than 1mm with lower cover 2 wall thickness, upper cover 1 and lower cover 2 major functions are as magnetic line of force path medium medium and whole element environmental protection is provided;
Plug 3, it is solid cylinder, its material is the made insulation alloy powder of iron alusil alloy powder, through cold-press moulding, in this insulation alloy powder, add the copper powder that accounts for plug 3 weight 0.1%~10%, through effectively reduce the raw embryo intensity of demoulding frictional force and strengthening due to copper powder hardness property, these plug 3 external diameters are no more than upper cover 1 and lower cover 2 goblet hollow perforation 11,21 internal diameters, plug 3 major functions are for induced field is provided, more than plug 3 finished product height reach 52mm;
Coil 4, is mainly wound on plug 3, is extended with electricity connection end 41 on its two ends, and coil 4 major functions serve as reasons wherein an electricity connection end 41 or 42 inflow currents, produce an externally-applied magnetic field;
Plug 3 is inserted in after coil 4, plug 3 two ends are inserted respectively in the hollow perforation 11,21 of upper cover 1 and lower cover 2, through upper cover 1 and lower cover 2 clampings electricity connection end 41,42 that coil 4 two ends are extended, by strip perforate 12,22, extend outward pin, then through adding the bonding upper cover 1 of viscose glue to be assembled into this combined inductor with lower cover 2.
Wherein: in the long situation of plug 3 length, by the coil 4 being wound on plug 3, be first around on an insulation bobbin 5, follow-up again with plug 3, upper cover 1 and lower cover 2 assemblings.
Wherein: upper cover and lower cover are cylindrical cover 1A, wherein plug perforation is circular perforations 11A, and the plug of collocation is also cylinder.
Wherein: upper cover and lower cover are square lid 1B, wherein plug perforation is circular perforations 11A, and the plug of collocation is also cylinder.
Wherein: upper cover and lower cover are square lid 1B, wherein plug perforation is square perforation 11B, and the plug of collocation is also square column.
Wherein: upper cover 1 and lower cover 2 are highly identical goblet.
Wherein: upper cover 1 is goblet, lower cover 2 is a smooth plate body 2A.
Wherein: upper cover 1 is goblet, lower cover 2 is the trapezoidal shape body 2B that thick middle, outer rim are thin.
Wherein: upper cover 1 except the middle hollow perforation 11,21 of holding plug 3, retains a strip perforate 12,22 with lower cover 2 in side, as coil 4 electricity connection ends 41,42, draw use.
Wherein: upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, its circumference is provided with single or multiple functional hole 13.
Wherein: upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, its end face and side are provided with the L shaped perforate 14 of a connection.
Wherein: upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, it has functional hole 13 and L shaped perforate 14 simultaneously.
Wherein: upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, separately in the other fairlead 15 that is provided with electricity connection end 41,42 of hollow perforation 11,21.
Wherein: upper cover 1 is not more than hollow perforation 11,21 footpath girths 1/3rd with total perforate length of the functional hole 13 of lower cover 2, and so the inductance range of decrease can be controlled in 10%.
Wherein: upper cover 1 is not more than hollow perforation 11,21 footpath girths 1/3rd with total perforate length of the L shaped perforate 14 of lower cover 2, and so the inductance range of decrease can be controlled in 10%.
Wherein: functional hole 13 and the L shaped perforate 14 of upper cover 1 and lower cover 2, its total perforate length is not more than hollow perforation 11,21 footpath girths 1/3rd, and so the inductance range of decrease can be controlled in 10%.
Wherein: this plug 3 is solid post core rod.
Wherein: these plug 3 one end faces are provided with a counterbore 31, and counterbore shape is circle, triangle, quadrangle or hexagon, this counterbore can drive the application of force to use as coiling rotating shaft.
Wherein: in these plug 3 both ends of the surface, be all provided with a counterbore 31,32, counterbore shape is circular, triangle, quadrangle, or hexagon, this counterbore can drive the application of force to use as coiling rotating shaft.
Wherein: these plug 3 one end faces are provided with a counterbore 31 or nose bar 33, or in both ends of the surface, are respectively equipped with counterbore 31 and nose bar 33, make more than two or two plug 3A, 3B produce connection.
Wherein: this plug 3 is three-member type combination, and centre is solid post core rod 3, and upper and lower is the groove plug 3C which is provided with groove 34, in conjunction with after for becoming work shape shape.
Wherein: this plug 3 is the combination of another kind of three-member type, and centre is solid post core rod 3, upper and lower is to which is provided with 35 the piercer 3D of boring a hole, in conjunction with rear be work shape shape.
Wherein: plug 3, by single or more than one plug 3 being connected and being inserted in after two above coils 4, in conjunction with upper cover 1 and lower cover 2, can be manufactured the magnetic element with many group electricity connection ends 41,42,43,44.
Wherein: the functional hole 13 on upper cover 1 and lower cover 2 hollows perforation 11,21 circumference, has avoiding and hold the bending dome section 45 of coil 4.
Wherein: the functional hole 13 on upper cover 1 and lower cover 2 hollows perforation 11,21 circumference, in it, settle temperature detector 6.
Wherein: the functional hole 13 on upper cover 1 and lower cover 2 hollows perforation 11,21 circumference, can, in conjunction with fin 7, dispel the heat the inner contiguous pyrotoxin of coil 4 in it.
Wherein: the functional hole 13 on upper cover 1 and lower cover 2 hollows perforation 11,21 circumference, its can be used as that magnetic element is required and circuit board between must be provided with insulator foot 8 fixed forms, and fix this functional hole 13 by the combination trip 81 of insulator foot 8.
Compared with prior art, the beneficial effect that the present invention has is:
Figure BSA00000456220300031
Figure BSA00000456220300041
By upper table comparison, can be found, the present invention realizes the characteristic that the long plug of iron aluminium silicon is made and assembly is shaped separately, and kenel one or kenel two had many structural changes and can be used in high electric current, high electric induction and the advantage such as use more in the past.
Accompanying drawing explanation
Fig. 1 is combined inductor exploded perspective view of the present invention;
Fig. 2 is combined inductor finished product stereogram of the present invention;
Fig. 3 is that coil of the present invention is around in insulation bobbin exploded perspective view;
Fig. 4 to Fig. 6 is the different upper and lower enclosing cover stereograms that change of the present invention;
Fig. 7 to Fig. 9 is the upper and lower enclosing cover cutaway view that differing heights of the present invention changes;
Figure 10 to Figure 14 is the upper and lower enclosing cover stereogram that the different hollow perforation of the present invention change;
Figure 15 to Figure 17 is the different plug stereograms that change of the present invention;
Figure 18 to Figure 20 is the different plug assembled sectional views that change of the present invention;
Figure 21 is the upper and lower enclosing cover stereograms of the several coil combination of the present invention;
Figure 22 to Figure 25 is the function schematic isometric of functional hole of the present invention;
Figure 26 is the integrated magnetic element exploded perspective view of traditional plug and enclosing cover;
Figure 27 is traditional plug magnetic element exploded perspective view separated with enclosing cover.
Description of reference numerals: upper cover 1; Cylindrical cover 1A; Square lid 1B; Hollow perforation 11; Circular perforations 11A; Square perforation 11B; Strip perforate 12; Functional hole 13; L shaped perforate 14; Fairlead 15; Lower cover 2; Smooth plate body 2A; Trapezoidal shape body 2B; Hollow perforation 21; Strip perforate 22; Plug 3; Plug 3A, 3B; Groove plug 3C; Piercer 3D; Counterbore 31; Counterbore 32; Nose bar 33; Groove 34; Perforation 35; Coil 4; Electricity connection end 41; Electricity connection end 42; Electricity connection end 43; Electricity connection end 44; Bending dome section 45; Insulation bobbin 5; Temperature detector 6; Fin 7; Insulator foot 8; In conjunction with trip 81.
Embodiment
Before setting forth the technology of the present invention content, please hold the material of the present invention's application or technique are first given to definition or be described as follows:
Plug: make a general reference the coated sense magnetic material of general magnetic element coil, can be single individuality or the assembly of arranging in pairs or groups according to need, have the difformities such as T-shaped, excellent type to change.
Insulated magnetic powder: make a general reference iron powder or the alloy powder of general tool magnetic properties, and it is coated to use on the market obtainable resin to carry out surface insulation, forming surface is the Magnaglo of insulation characterisitic, thereafter can be compressing through the technology of colding pressing.
Coil: alleged coil in the present invention, refer to the coil that surface insulation copper wire winding is become to single-turn or multi-turn, it is for taking advantage of the raw externally-applied magnetic field of live miscarriage.
Assembling: alleged assembling in the present invention, reserved each assembly combines hole, trip, the Position Design of use in advance, with machinery or manual mode, carry out combination, each inter-module can be used the glue kind that generally sold on the market to adhere, and its glue kind is as epoxy resin, silica gel or instant glue.
The technology of colding pressing: general reference powder is pressed into shapings (Press), mainly via mechanical pressure moulding, by annealing, sintering completes finished product.
Consult shown in Fig. 1 of the present invention and Fig. 2, combined inductor of the present invention, is mainly comprised of symmetrical upper cover 1, lower cover 2, plug 3 and coil 4.
Above-mentioned upper cover 1 is goblet with lower cover 2 basic configurations, central tool one hollow perforation 11,21, and its side has a strip perforate 12,22.
Upper cover 1 is the insulated magnetic powder of pure iron (Iron) or ferro-silicium (Fe-Si) with the material of lower cover 2; through the technology postforming of colding pressing; its strip perforate 12,22 width ranges are between 0.5mm~10mm; and upper cover 1 and lower cover 2 external diameter suggestions are between 20mm~120mm; more than upper cover 1 is greater than 1mm with lower cover 2 wall thickness suggestions; the actual size that applies of aforementioned each size electrically requires to determine according to client; upper cover 1 and lower cover 2 major functions are as magnetic line of force path (Magnetic field Path) medium medium and whole element environmental protection is provided.
Above-mentioned plug 3 basic configurations are solid cylinder, its material is the made insulation alloy powder of iron alusil alloy (Fe-Al-Si) powder, through the technology postforming of colding pressing, the present invention adds the copper powder that accounts for plug 3 percentage by weights 0.1%~10% in insulation alloy powder, because copper powder hardness is softer, can effectively reduce the raw embryo intensity of demoulding frictional force and strengthening, its external diameter is no more than upper cover 1 and lower cover 2 goblet hollow perforation 11, 21 internal diameters, plug 3 major functions are for providing induced field (Inductive magnetic Field), more than plug 3 finished products high (length) Du Keda 52mm.
Above-mentioned coil 4 is mainly wound on plug 3, on its two ends, be extended with electricity connection end 41,42, this electricity connection end 41,42 stretches out through strip perforate 12,22 with lower cover 2 combinations are rear at upper cover 1, coil 4 major functions serve as reasons wherein an electricity connection end 41 or 42 inflow currents, produce an externally-applied magnetic field (External Magnetic Field).
Its combination is that plug 3 is inserted in after coil 4, its two ends are inserted respectively in the hollow perforation 11,21 of upper cover 1 and lower cover 2, through upper cover 1 and lower cover 2 clampings electricity connection end 41,42 that coil 4 two ends are extended, by strip perforate 12,22, extend outward pin, then through adding the bonding upper cover 1 of viscose glue with lower cover 2 assembly cost invention combined inductor.
When plug 3 length are long or consider coiling convenience, during enforcement, can adopt as shown in Figure 3, first coil 4 is around on an insulation bobbin 5, follow-up again with plug 3, upper cover 1 and lower cover 2 assemblings.
Each assembly and design thereof are derivative to be changed:
A. upper and lower cover changes:
Shown in please refer to the drawing 4 to Fig. 6, upper cover 1 of the present invention, lower cover 2, hollow perforation 11,21 and strip perforate 12,22 comprise following change of shape:
As shown in Figure 4, its upper cover and lower cover are cylindrical cover 1A, and wherein plug perforation is circular perforations 11A, and the plug of collocation is also cylinder;
As shown in Figure 5, its upper cover and lower cover are square lid 1B, and wherein plug perforation is circular perforations 11A, and the plug of collocation is also cylinder;
As shown in Figure 6, its upper cover and lower cover are square lid 1B, and wherein plug perforation is square perforation 11B, and the plug of collocation is also square column.
Shown in please refer to the drawing 7 to Fig. 9, upper cover 1 of the present invention highly mainly contains following variation with lower cover 2:
As shown in Figure 7, upper cover 1 is highly identical goblet with lower cover 2;
As shown in Figure 8, upper cover 1 maintains goblet, and lower cover 2 is a smooth plate body 2A;
As shown in Figure 9, upper cover 1 maintains goblet, and lower cover 2 is thick middle, the trapezoidal shape body 2B that outer rim is thin.
Shown in please refer to the drawing 10 to Figure 14, upper cover 1 of the present invention mainly contains following variation with hollow perforation 11,21 and the strip perforate 12,22 of lower cover 2:
As shown in figure 10, upper cover 1 except the middle hollow perforation 11,21 of holding plug 3, retains a strip perforate 12,22 with lower cover 2 in side, as coil 4 electricity connection ends 41,42, draw use;
As shown in figure 11, upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, its circumference is provided with single or multiple functional holes 13, and the function of its functional hole 13 will be in the explanation of subsequent applications chapters and sections;
As shown in figure 12, its upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, its end face and side are provided with the L shaped perforate 14 of a connection, and this kind of practice will contribute to strengthen copper cash exposing surface long-pending, effective temperature-reducing;
As shown in figure 13, its upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, it has functional hole 13 and L shaped perforate 14 simultaneously, but too much perforate will cause the loss of the magnetic element magnetic line of force and specified inductance (AL, Inductance Rating) to decline.
As shown in figure 14, its upper cover 1 and the hollow perforation 11,21 of lower cover 2 except middle plug 3, separately in the other fairlead 15 that is provided with electricity connection end 41,42 of hollow perforation 11,21.
Functional hole 13 and the L shaped perforate 14 of this patent designing requirement upper cover 1 and lower cover 2, its total perforate length can not be greater than hollow perforation 11,21 footpath girths 1/3rd, and so the inductance range of decrease can be controlled in 10%.
B. plug changes
Shown in please refer to the drawing 15 to Figure 20, plug 3 of the present invention comprises following structural change:
As shown in figure 15, its plug 3 is solid post core rod;
As shown in figure 16, its plug 3 one end faces are provided with a counterbore 31, and counterbore shape comprises circle, triangle, quadrangle, the shape that hexagon etc. easily apply, and this counterbore can drive the application of force to use as coiling rotating shaft;
As shown in figure 17, be all provided with a counterbore 31,32 in its plug 3 both ends of the surface, counterbore shape comprises circle, triangle, quadrangle, and the shape that hexagon etc. easily apply, this counterbore can drive the application of force to use as coiling rotating shaft;
As shown in figure 18, its plug 3 one end faces are provided with a counterbore 31 or nose bar 33, or in both ends of the surface, be respectively equipped with counterbore 31 and nose bar 33, and make more than two or two plug 3A, 3B produce connection, this kind of practice can effectively be made long plug or the different magnetic materials of use;
As shown in figure 19, its plug 3 is three-member type combination, and centre is solid post core rod 3, and upper and lower is the groove plug 3C which is provided with groove 34, in conjunction with after for becoming work shape shape, will be conducive to wind the line;
As shown in figure 20, its plug 3 is the combination of another kind of three-member type, and centre be solid post core rod 3, and upper and lower is to which is provided with 35 the piercer 3D of boring a hole, in conjunction with rear be work shape shape, will be conducive to wind the line.
Shown in ginseng Figure 21, the present invention by single or more than one plug 3,3B connects and be inserted in after two above coil 4A, 4B, in conjunction with upper cover 1 and lower cover 2, can manufacture and there are the magnetic elements of organizing electricity connection ends 41,42,43,44 more.
Function hole application note:
Above-mentioned functions hole 13, has following functional characteristic:
Escape line function: as shown in figure 22, by insulated copper wire, turned to after coil 4, its electricity connection end 41,42 extending outside magnetic part element must be from the inner bending of coil 4 to be electrically connected with circuit board, this bending part will cause a bending dome section 45, and functional hole 13 will provide the spatial accommodation of avoiding of this bending dome section 45.
Temperature detector line binding function: as shown in figure 23, coil 4 inside of general magnetic element often have higher heating heat dissipation problem, can utilize this functional hole 13 to settle temperature detector 6, so detects magnetic element heating situation.
Fin binding function: as shown in figure 24, can utilize this can utilize this functional hole 13 in conjunction with fin 7, by the inner contiguous pyrotoxin heat radiation of coil 4.
Base is in conjunction with trip function: as shown in figure 25, particular case magnetic element be required and circuit board between must be provided with that insulator foot 8 is rear to be just fixed on circuit board, and functional hole 13 can be as the fixing hole in conjunction with trip 81.
More than explanation is just illustrative for the purpose of the present invention; and nonrestrictive, those of ordinary skills understand, in the situation that do not depart from the spirit and scope that claim limits; can make many modifications, variation or equivalence, but within all will falling into protection scope of the present invention.

Claims (26)

1. a combined inductor, is characterized in that, comprises:
One group of symmetrical upper cover (1) and lower cover (2), it is shaped as goblet, the one hollow perforation (11 of central authorities' tool, 21), its side has a strip perforate (12, 22), upper cover (1) and lower cover (2) by the insulated magnetic powder of pure iron or ferro-silicium through cold-press moulding, this strip perforate (12, 22) width range is between 0.5mm~10mm, and upper cover (1) and lower cover (2) external diameter are between 20mm~120mm, upper cover (1) is more than 1mm with lower cover (2) wall thickness, upper cover (1) and lower cover (2) major function, be as magnetic line of force path medium medium and whole element environmental protection is provided,
Plug (3), it is solid cylinder, its material is the made insulation alloy powder of iron alusil alloy powder, through cold-press moulding, in this insulation alloy powder, add the copper powder that accounts for plug (3) weight 0.1%~10%, through effectively reduce the raw embryo intensity of demoulding frictional force and strengthening due to copper powder hardness property, this plug (3) external diameter is no more than upper cover (1) and lower cover (2) goblet hollow perforation (11,21) internal diameter, plug (3) major function is for induced field is provided, more than plug (3) finished product height reaches 52mm;
Coil (4), is mainly wound on plug (3) upper, is extended with electricity connection end (41) on its two ends, and coil (4) major function serve as reasons wherein an electricity connection end (41) or an other electricity connection end (42) inflow current, produce an externally-applied magnetic field;
Plug (3) is inserted in after coil (4), plug (3) two ends are inserted respectively in the hollow perforation (11,21) of upper cover (1) and lower cover (2), through upper cover (1) and lower cover (2) clamping electricity connection end (41,42) that coil (4) two ends are extended, by strip perforate (12,22), extend outward pin, then through adding the bonding upper cover of viscose glue (1) to be assembled into this combined inductor with lower cover (2).
2. combined inductor according to claim 1, it is characterized in that: in the long situation of plug (3) length, to be wound on the coil (4) on plug (3), first be around in an insulation bobbin (5) upper, follow-up again with plug (3), upper cover (1) and lower cover (2) assembling.
3. combined inductor according to claim 1, is characterized in that: upper cover and lower cover are cylindrical cover (1A), and wherein plug perforation is circular perforations (11A), and the plug of collocation is also cylinder.
4. combined inductor according to claim 1, is characterized in that: upper cover and lower cover are square lid (1B), and wherein plug perforation is circular perforations (11A), and the plug of collocation is also cylinder.
5. combined inductor according to claim 1, is characterized in that: upper cover and lower cover are square lid (1B), and wherein plug perforation is square perforation (11B), and the plug of collocation is also square column.
6. combined inductor according to claim 1, is characterized in that: upper cover (1) is highly identical goblet with lower cover (2).
7. combined inductor according to claim 1, is characterized in that: upper cover (1) is goblet, and lower cover (2) is a smooth plate body (2A).
8. combined inductor according to claim 1, is characterized in that: upper cover (1) is goblet, and lower cover (2) is the trapezoidal shape body (2B) that thick middle, outer rim are thin.
9. combined inductor according to claim 1, is characterized in that: upper cover (1) and the hollow perforation (11,21) of lower cover (2) except middle plug (3), its circumference is provided with single or multiple functional hole (13).
10. combined inductor according to claim 1, is characterized in that: upper cover (1) and the hollow perforation (11,21) of lower cover (2) except middle plug (3), its end face and side are provided with the L shaped perforate (14) of a connection.
11. combined inductors according to claim 1, is characterized in that: upper cover (1) and the hollow perforation (11,21) of lower cover (2) except middle plug (3), it has functional hole (13) and L shaped perforate (14) simultaneously.
12. combined inductors according to claim 1, it is characterized in that: upper cover (1) and the hollow perforation (11,21) of lower cover (2) except middle plug (3), separately in the other fairlead (15) that is provided with electricity connection end (41,42) of hollow perforation (11,21).
13. according to combined inductor described in claim 9 or 11, it is characterized in that: upper cover (1) is not more than hollow perforation (11,21) footpath girth 1/3rd with total perforate length of the functional hole (13) of lower cover (2), and so the inductance range of decrease can be controlled in 10%.
14. according to combined inductor described in claim 10 or 11, it is characterized in that: upper cover (1) is not more than hollow perforation (11,21) footpath girth 1/3rd with total perforate length of the L shaped perforate (14) of lower cover (2), and so the inductance range of decrease can be controlled in 10%.
15. according to combined inductor described in claim 11, it is characterized in that: functional hole (13) and the L shaped perforate (14) of upper cover (1) and lower cover (2), its total perforate length is not more than hollow perforation (11,21) footpath girth 1/3rd, and so the inductance range of decrease can be controlled in 10%.
16. combined inductors according to claim 1, is characterized in that: this plug (3) is solid post core rod.
17. combined inductors according to claim 1, it is characterized in that: these plug (3) one end faces are provided with a counterbore (31), counterbore shape is circle, triangle, quadrangle or hexagon, and this counterbore can drive the application of force to use as coiling rotating shaft.
18. combined inductors according to claim 1, it is characterized in that: in this plug (3) both ends of the surface, be all provided with a counterbore (31,32), counterbore shape is circular, triangle, quadrangle, or hexagon, this counterbore can drive the application of force to use as coiling rotating shaft.
19. combined inductors according to claim 1, it is characterized in that: these plug (3) one end faces are provided with a counterbore (31) or nose bar (33), or in both ends of the surface, be respectively equipped with counterbore (31) and nose bar (33), two above plugs (3A, 3B) are produced and connect.
20. combined inductors according to claim 1, is characterized in that: this plug (3) is three-member type combination, and centre be solid post core excellent (3), and upper and lower is the groove plug (3C) which is provided with groove (34), in conjunction with after for becoming work shape shape.
21. combined inductors according to claim 1, it is characterized in that: this plug (3) is another kind of three-member type combination, centre is solid post core rod (3), and upper and lower is for which is provided with the piercer (3D) of perforation (35), in conjunction with rear be work shape shape.
22. according to claim 16 to combined inductor described in any one in 21, it is characterized in that: plug (3) is by more than one plug (3) being connected and being inserted in after two above coils (4), in conjunction with upper cover (1) and lower cover (2), can manufacture the magnetic element with many group electricity connection ends (41,42,43,44).
23. according to combined inductor described in claim 9 or 11, it is characterized in that: the functional hole (13) on upper cover (1) and lower cover (2) hollow perforation (11,21) circumference, has avoiding and hold the bending dome section (45) of coil (4).
24. according to combined inductor described in claim 9 or 11, it is characterized in that: the functional hole (13) on upper cover (1) and lower cover (2) hollow perforation (11,21) circumference, in it, settle temperature detector (6).
25. according to combined inductor described in claim 9 or 11, it is characterized in that: the functional hole (13) on upper cover (1) and lower cover (2) hollow perforation (11,21) circumference, can be in conjunction with fin (7), by the inner contiguous pyrotoxin heat radiation of coil (4) in it.
26. according to combined inductor described in claim 9 or 11, it is characterized in that: the functional hole (13) on upper cover (1) and lower cover (2) hollow perforation (11,21) circumference, its can be used as that magnetic element is required and circuit board between must be provided with insulator foot (8) fixed form, and fix this functional hole (13) by the combination trip (81) of insulator foot (8).
CN201110068774.4A 2011-03-22 2011-03-22 Combined type inductor Expired - Fee Related CN102693814B (en)

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CN104124042A (en) * 2013-04-23 2014-10-29 恩菲斯能源公司 Magnetic component and transformer made therefrom
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