CN105914003A - Inductor and manufacturing method thereof - Google Patents
Inductor and manufacturing method thereof Download PDFInfo
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- CN105914003A CN105914003A CN201610395765.9A CN201610395765A CN105914003A CN 105914003 A CN105914003 A CN 105914003A CN 201610395765 A CN201610395765 A CN 201610395765A CN 105914003 A CN105914003 A CN 105914003A
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- magnaglo
- magnetic
- inducer
- ratio
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- 238000004519 manufacturing process Methods 0.000 title claims abstract description 7
- 230000005291 magnetic effect Effects 0.000 claims abstract description 120
- 239000006247 magnetic powder Substances 0.000 claims abstract description 20
- 239000000411 inducer Substances 0.000 claims description 125
- 238000000034 method Methods 0.000 claims description 44
- 239000000463 material Substances 0.000 claims description 38
- 239000000203 mixture Substances 0.000 claims description 29
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 27
- 239000000853 adhesive Substances 0.000 claims description 26
- 230000008569 process Effects 0.000 claims description 25
- 238000000465 moulding Methods 0.000 claims description 20
- 230000035699 permeability Effects 0.000 claims description 19
- 239000000843 powder Substances 0.000 claims description 10
- 229910000808 amorphous metal alloy Inorganic materials 0.000 claims description 9
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000000956 alloy Substances 0.000 claims description 5
- 229910000632 Alusil Inorganic materials 0.000 claims description 3
- 229910001030 Iron–nickel alloy Inorganic materials 0.000 claims description 2
- 230000004888 barrier function Effects 0.000 claims 8
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims 5
- 229910052737 gold Inorganic materials 0.000 claims 5
- 239000010931 gold Substances 0.000 claims 5
- 238000009413 insulation Methods 0.000 claims 4
- 230000003647 oxidation Effects 0.000 claims 4
- 238000007254 oxidation reaction Methods 0.000 claims 4
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims 2
- 229910052710 silicon Inorganic materials 0.000 claims 2
- 239000010703 silicon Substances 0.000 claims 2
- 239000002245 particle Substances 0.000 abstract description 5
- 230000008859 change Effects 0.000 description 25
- 238000004804 winding Methods 0.000 description 17
- 238000002474 experimental method Methods 0.000 description 16
- 238000010438 heat treatment Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 11
- 230000000694 effects Effects 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 8
- 229910001092 metal group alloy Inorganic materials 0.000 description 6
- 238000007711 solidification Methods 0.000 description 6
- 230000008023 solidification Effects 0.000 description 6
- 229910000676 Si alloy Inorganic materials 0.000 description 5
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000005452 bending Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 3
- 229910001021 Ferroalloy Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005253 cladding Methods 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000696 magnetic material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000750 progressive effect Effects 0.000 description 2
- 230000001737 promoting effect Effects 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 239000003822 epoxy resin Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- MSNOMDLPLDYDME-UHFFFAOYSA-N gold nickel Chemical compound [Ni].[Au] MSNOMDLPLDYDME-UHFFFAOYSA-N 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 229920000647 polyepoxide Polymers 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/032—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials
- H01F1/04—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of hard-magnetic materials metals or alloys
- H01F1/047—Alloys characterised by their composition
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F1/00—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties
- H01F1/01—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials
- H01F1/03—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity
- H01F1/12—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials
- H01F1/14—Magnets or magnetic bodies characterised by the magnetic materials therefor; Selection of materials for their magnetic properties of inorganic materials characterised by their coercivity of soft-magnetic materials metals or alloys
- H01F1/147—Alloys characterised by their composition
- H01F1/14766—Fe-Si based alloys
- H01F1/14791—Fe-Si-Al based alloys, e.g. Sendust
-
- 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
-
- 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
- H01F2003/106—Magnetic circuits using combinations of different magnetic materials
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/04—Fixed inductances of the signal type with magnetic core
- H01F2017/048—Fixed inductances of the signal type with magnetic core with encapsulating core, e.g. made of resin and magnetic powder
Abstract
The invention relates to an inductor and a manufacturing method thereof. The inductor comprises a magnetic body and a wire; the magnetic body comprises first magnetic powder and second magnetic powder, wherein the Vickers hardness of the first magnetic powder is larger than that of the second magnetic powder, the mean particle diameter of the first magnetic powder is larger than that of the second magnetic powder, and the first magnetic powder and the second magnetic powder are mixed with each other.
Description
The present invention is filing date on 05 27th, 2009, Application No. 200910143076.9, invention entitled " inductance
Device and making side thereof " the divisional application of Chinese patent application.
Technical field
The present invention relates to a kind of magnetics and preparation method thereof, particularly relate to a kind of inducer and preparation method thereof.
Background technology
Electric current that the function of inducer is in stabilizing circuit also reaches the effect of filtering noise information, effect and capacitor class
Seemingly, it is to regulate the stability of electric current equally with the electric energy in storage, release circuit, and is with electric field (electricity compared to electric capacity
Lotus) form store electric energy, inducer is then to reach with the form in magnetic field.Inducer, in application, has the energy of wire
Amount loss and the energy loss (commonly referred to as magnetic loss, core loss) of magnetic stamen.
The wire of a kind of inducer in existing known techniques is embedded in magnetic in being, and forms the side of this kind of inducer
Method is first to be placed in mould by wire, and is filled in mould by iron powder suitable for the size with adhesive agent, with cladding
Wire, then, iron powder is pressed into magnetic by recycling pressure forming, afterwards, heats adhesive agent, so that its solidification.Due to
Iron powder is as the inducer of magnetic when the high frequency of more than 10KHz, and permeability can fall sharply.Therefore, existing known inducer
Cannot be as the application of high frequency.
As can be seen here, above-mentioned existing inducer and preparation method thereof is in product structure, manufacture method and use, it is clear that
Still suffer from inconvenience and defect, and be urgently further improved.In order to solve the problem of above-mentioned existence, relevant manufactures there's no one who doesn't or isn't takes
Conscientious think of seeks solution, but has no that applicable design has been developed the most always, and common product and method
Not having again appropriate structure and method to can solve the problem that the problems referred to above, this is clearly the anxious problem to be solved of relevant dealer.The most such as
What can found a kind of new inducer and preparation method thereof, one of current important research and development problem of real genus, also becomes current industry pole
The target that need to improve.
Summary of the invention
It is an object of the invention to, overcome the defect that existing inducer exists, and a kind of new inducer is provided,
Solve the technical problem that its magnetic contains different hardness and the multiple Magnaglo of different mean diameter, to promote inductance
The permeability of device, is very suitable for practicality.
Another object of the present invention is to, overcome the defect that the manufacture method of existing inducer exists, and provide a kind of
The manufacture method of new inducer, to be solved technical problem is that makes it use the multiple of different hardness and different mean diameter
Magnaglo forms magnetic, to promote the permeability of inducer, thus more suitable for practicality.
The object of the invention to solve the technical problems realizes by the following technical solutions.Propose according to the present invention
A kind of inducer include a magnetic and a wire.Magnetic includes one first Magnaglo and one second Magnaglo,
Wherein the Vickers hardness (Vicker ' s Hardness) of the first Magnaglo is more than the Vickers hardness of the second Magnaglo, and the
The mean diameter of one Magnaglo is more than the mean diameter of the second Magnaglo, and the first Magnaglo and the second Magnaglo mix mutually
Close.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
In one embodiment of this invention, the Vickers hardness of the first Magnaglo is more than or equal to 150, and the second magnetic powder
The Vickers hardness at end is less than or equal to 100.
In one embodiment of this invention, the Vickers hardness of the first Magnaglo is more than or equal to 250, and the second magnetic powder
The Vickers hardness at end is less than or equal to 80.
In one embodiment of this invention, the mean diameter of the first Magnaglo is essentially 10 microns to 40 microns.
In one embodiment of this invention, the mean diameter of the second Magnaglo is less than or equal to 10 microns.
In one embodiment of this invention, the mean diameter of the second Magnaglo is essentially less than or equal to 4 microns.
In one embodiment of this invention, the mean diameter of the mean diameter of the first Magnaglo and the second Magnaglo
Ratio is more than 2.
In one embodiment of this invention, the mean diameter of the mean diameter of the first Magnaglo and the second Magnaglo
Ratio is 2.5 to 10.
In one embodiment of this invention, the material of the first Magnaglo includes metal alloy.
In one embodiment of this invention, the material of the first Magnaglo includes siderochrome silicon alloy, iron-nickel alloy, noncrystalline
Alloy, ferro-silicium or ferrum alusil alloy.
In one embodiment of this invention, the material of the second Magnaglo includes ferrum or ferroalloy.
In one embodiment of this invention, the material of the first Magnaglo includes amorphous alloy, and the second Magnaglo
Material include ferrum.
In one embodiment of this invention, the weight of the first Magnaglo with the ratio of the weight of the second Magnaglo is
0.25 to 4.
In one embodiment of this invention, when the material of the first Magnaglo includes amorphous alloy, and the second magnetic powder
When the material at end includes ferrum, the weight of the first Magnaglo is 0.67 to 1.5 with the ratio of the weight of the second Magnaglo.
In one embodiment of this invention, when the material of the first Magnaglo includes siderochrome silicon alloy, and the second magnetic powder
When the material at end includes ferrum, the weight of the first Magnaglo is 1.5 to 4 with the ratio of the weight of the second Magnaglo.
In one embodiment of this invention, inducer further includes an adhesive agent, and it engages the first Magnaglo and the second magnetic
Property powder, the content of adhesive agent is 2 percentage by weights (wt%)～the 3wt% of the gross weight of magnetic.
In one embodiment of this invention, the material of adhesive agent is thermosetting resin.
In one embodiment of this invention, bury portion in being embedded in magnetic in wire has one or have one and be wound in magnetic
Winding section on gonosome.
In one embodiment of this invention, magnetic utilizes a moulding process (i.e. processing procedure, the most referred to as technique) and shape
Becoming, the briquetting pressure of moulding process is 6 tons every square centimeter to 11 tons every square centimeter.
In one embodiment of this invention, magnetic imposes a heating technique, and the temperature of heating technique is less than 300 DEG C.
The object of the invention to solve the technical problems realizes the most by the following technical solutions.Propose according to the present invention
The manufacture method of a kind of inducer is as described below.First, one wire is provided.Then, it is provided that a mixture, mixture includes one
One Magnaglo, one second Magnaglo and an adhesive agent, wherein the Vickers hardness of the first Magnaglo is more than the second magnetic powder
The Vickers hardness at end, and the mean diameter of the first Magnaglo is more than the mean diameter of the second Magnaglo.Adhesive agent with this
One Magnaglo and this second magnetic powder powder mix mutually.Then, mixture is carried out a moulding process, to form a magnetic
Body.Afterwards, solidification adhesive agent.
The object of the invention to solve the technical problems also can be applied to the following technical measures to achieve further.
In one embodiment of this invention, solidifying adhesive agent in the way of a heating, the temperature of heating is less than 300 DEG C.
In one embodiment of this invention, in moulding process, applying a briquetting pressure in mixture, briquetting pressure is 6
Ton every square centimeter to 11 tons every square centimeter.
In one embodiment of this invention, mixture is shaped in technique, in the one of magnetic coated wire, buries portion.
In one embodiment of this invention, after solidification adhesive agent, a winding section of wire is made to be wound on magnetic.
By technique scheme, inducer of the present invention and preparation method thereof at least has following advantages and a beneficial effect:
The present invention is to use the different Magnaglo of mean diameter to form magnetic, and therefore, in moulding process, mean diameter is little
Magnaglo can be filled up in the space between the Magnaglo that mean diameter is big, and pressed density is increased, and then promotes electricity
The permeability of sensor.Additionally, the present invention is to use the different Magnaglo of hardness to form magnetic, therefore Magnaglo is in molding
In technique, produced strain is greatly reduced, and then can reduce the magnetic loss of the inducer of the present invention.Additionally, the present invention can avoid right
Inducer carries out high-temperature heat treatment and wire can be prevented because bearing high temperature and asking of aoxidizing to eliminate the strain of Magnaglo
Topic.
In sum, inducer of the present invention and preparation method thereof, this inducer includes a magnetic and a wire.Magnetic
Body includes one first Magnaglo and one second Magnaglo, and wherein the Vickers hardness of the first Magnaglo is more than the second magnetic powder
The Vickers hardness at end, and the mean diameter of the first Magnaglo is more than the mean diameter of the second Magnaglo, the first Magnaglo
Mix mutually with the second Magnaglo.The present invention has significantly progressive technically, and has obvious good effect, is really one new
Clever, progressive, practical new design.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of description, and in order to allow the above and other objects, features and advantages of the present invention can
Become apparent, below especially exemplified by preferred embodiment, and coordinate accompanying drawing, describe in detail as follows.
Accompanying drawing explanation
Fig. 1 illustrates the profile of the inducer of one embodiment of the invention.
Fig. 2 A～the process section of inducer that Fig. 2 D is Fig. 1 of the present invention.
Fig. 3 illustrates the schematic diagram of the inducer of another embodiment of the present invention.
Fig. 4 illustrates the profile of the inducer of further embodiment of this invention.
Fig. 5 A～the process section of inducer that Fig. 5 C is Fig. 4 of the present invention.
Fig. 6 illustrates the schematic diagram of the inducer of yet another embodiment of the invention.
When Fig. 7 illustrates the ratio change in magnetic of the first Magnaglo and the second Magnaglo, inducer is at two kinds
The change situation schematic diagram of the inductance value under frequency.
Fig. 8 illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, and inducer is two
The change situation schematic diagram of the inductance value under kind frequency.
Fig. 9 illustrates the inductance value change curve of the inducer of the wire using the most collinear footpath.
When Figure 10 A illustrates the ratio change in magnetic of the first Magnaglo and the second Magnaglo, the electricity of inducer
Inductance value and the change situation schematic diagram of magnetic density.
When Figure 10 B illustrates the ratio change in magnetic of the first Magnaglo and the second Magnaglo, the magnetic of inducer
Gonosome density and the change situation schematic diagram of permeability.
Figure 11 A illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, inducer
Inductance value change situation, and illustrate inducer at two kinds of inductance value change situation schematic diagrams applied under frequency.
Figure 11 B illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, inducer
Inductance value change situation, and illustrate the inductance value change situation schematic diagram of the inducer formed with two kinds of briquetting pressures.
Figure 12 illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, and inducer is two
The change situation schematic diagram of the inductance value under kind frequency.
100,200,300: inducer 110,210,310,410: magnetic
112: the first Magnaglo 114: the second Magnaglos
116: adhesive agent 120,320,420,320: wire
122,222: inside bury portion 222a: bending structure
124,322,422,322: winding section 312: center pillar
314: the first plate body 316: the second plate bodys
312a, 312b: end 330: magnetic material
412: first surface 414: second surface
416: perforation 418: the three surface
310: molded body C: winding space
D1, D2: mean diameter E1, E2: end
G: slit M: mixture
S1, S2: sidewall S3: side
Detailed description of the invention
By further illustrating the technological means and effect that the present invention taked by reaching predetermined goal of the invention, below in conjunction with
Accompanying drawing and preferred embodiment, to the inducer proposed according to the present invention and preparation method thereof its detailed description of the invention, structure, side
Method, step, feature and effect thereof, after describing in detail such as.
For the present invention aforementioned and other technology contents, feature and effect, in following cooperation with reference to graphic preferable real
Execute in the detailed description of example and can clearly appear from.By the explanation of detailed description of the invention, when can be to the present invention for reaching predetermined mesh
The technological means taked and effect obtain one more deeply and concrete understanding, but institute's accompanying drawings is only to provide with reference to and says
Bright it is used, is not used for the present invention is any limitation as.
Fig. 1 illustrates the profile of the inducer of one embodiment of the invention.Refer to Fig. 1, the inducer 100 of the present embodiment wraps
Include magnetic 110 and a wire 120.Magnetic 110 includes one first Magnaglo 112 and one second Magnaglo 114,
And first Magnaglo 112 mix with the second Magnaglo 114 phase.Wherein, magnetic 110 utilizes moulding process to be formed.The
The Vickers hardness of one Magnaglo 112 (Vicker ' s Hardness) is more than the Vickers hardness of the second Magnaglo 114.First
The Vickers hardness of Magnaglo 112 is e.g. more than or equal to 150, it is preferred that the Vickers hardness of the first Magnaglo 112 is more than
Or equal to 250.The Vickers hardness of the second Magnaglo 114 is e.g. less than or equal to 100, it is preferred that the second Magnaglo 114
Vickers hardness less than or equal to 80.
Mean diameter (the Mean particle diameter) D1 of the first Magnaglo 112 is more than the second Magnaglo
Mean diameter D2 of 114, mean diameter D2 of the second Magnaglo 114 is less than or equal to 10 microns.
Mean diameter D1 of the first Magnaglo 112 can be substantially 10 microns to 40 microns, and the second Magnaglo 114
Mean diameter D2 substantially may be less than or equal to 4 microns.Mean diameter D1 of the first Magnaglo 112 and the second magnetic powder
The proportionality of mean diameter D2 at end 114 is such as greater than 2, it is preferred that the ratio of mean diameter D1 and mean diameter D2 be 2.5 to
10。
The material for example, metal alloy of the first Magnaglo 112, and the conjunction of metal alloy for example, siderochrome silicon alloy, ferrum nickel Gold, noncrystalline (Amorphous) alloy, ferro-silicium or ferrum alusil alloy.The material for example, ferrum of the second Magnaglo 114 or
Ferroalloy.It is preferred thatThe material for example, amorphous alloy of the first Magnaglo 112, and the material example of the second Magnaglo 114 As for ferrum.Magnetic 110 further includes an adhesive agent (not illustrating), and adhesive agent and the first Magnaglo 112 and the second magnetic powder
End 114 phase mixing.First Magnaglo 112 can be bonded with each other by adhesive agent with the second Magnaglo 114.The material of adhesive agent
Can be thermosetting resin, such as epoxy resin.The content of adhesive agent is 2 percentage by weights of the gross weight of magnetic 110
(wt%)～3wt%,The gross weight that content is magnetic 110 of the first Magnaglo 112 and the second Magnaglo 114 98wt%～97wt%.And the ratio that the part by weight of the first Magnaglo is 20wt%～80wt% and the second Magnaglo is 80wt%～20wt%, the ratio of the weight of the weight of the i.e. first Magnaglo 112 and the second Magnaglo 114 can be 0.25 to 4。
Wire 120 have in one be embedded in magnetic 110 in bury portion 122 and respectively from bury two ends in portion 122 and prolong
Stretching out two end E1, E2 of magnetic stamen 110, end E1, E2 are suitable to the electronic component (not illustrating) with other and are electrically connected with.In detail and
Speech, magnetic 110 is a cuboid, and end E1, E2 relative two sidewall S1, S2 along magnetic 110 can extend to magnetic respectively
The side S3 of body 110, consequently, it is possible to inducer 100 can be electrically connected to other electronic component in the way of surface mount.Lead
Line 120 e.g. one copper conductor, and in bury portion 122 for example, a winding coil.
It should be noted that mean diameter and the hardness of the first Magnaglo 112 that the present embodiment uses are all higher than second The mean diameter of Magnaglo 114 and hardness, therefore, in moulding process, the second Magnaglo 114 can easily be filled up in first In space between Magnaglo 112, and the strain that the second Magnaglo 114 and the first Magnaglo 112 mutually extrude and produce Also can reduce, so that pressed density increase andThe permeability of formed inducer can be promoted, and can avoid utilizing bigger
Briquetting pressure and high-temperature heat treatment promote pressed density and permeability.
Furthermore, first Magnaglo 112 low compared with iron powder owing to comprising magnetic loss in magnetic 110, therefore compared to existing habit The whole inducers using iron powder as magnetic known, the present embodiment can provide the inducer that magnetic loss is relatively low, and makes inducer Improved efficiency.Furthermore, employing comprises its material cost of magnetic 110 of the first Magnaglo 112 and the second Magnaglo 114 can
The cost of material is low the most all to make magnetic with metal alloy.
Fig. 2 A～the process section of inducer that Fig. 2 D is Fig. 1 of the present invention.Detailed system about the inducer 100 of Fig. 1
Make flow process, refer to Fig. 2 A～Fig. 2 D.First, refer to Fig. 2 A, it is provided that a wire 120.Then, refer to Fig. 2 B, it is provided that one
Mixture M, mixture M includes first Magnaglo the 112, second Magnaglo 114 and adhesive agent (not illustrating).Afterwards, please join
According to Fig. 2 C, it is configured at burying portion 122 in the one of wire 120 in die cavity (not shown), and two end E1, E2 of wire 120 extend
Go out outside die cavity, then mixture M is filled in die cavity.Afterwards, mixture M is carried out a moulding process, to be formed in a cladding
Burying the magnetic 110 in portion 122, moulding process e.g. applies a briquetting pressure to mixture M, with pressing the first Magnaglo
112, the second Magnaglo 114 and adhesive agent.In the present embodiment, the moulding process carried out mixture M is pressure forming
Technique, and put on the pressure for example, 6 tons every square centimeter to 11 tons every square centimeter of mixture M.In other embodiments,
Moulding process also can be the moulding process that cast shaping process or jetting formation process etc. are suitable for.Afterwards, such as with the side of heating
Formula solidifies adhesive agent, and the temperature of heating is equal to or slightly higher than the solidification temperature of adhesive agent, for example, less than 300 DEG C, is worth note
Meaning, the temperature of the heating used in the present embodiment is only suitable to solidify adhesive agent.Finally, refer to Fig. 2 D, folded end E1,
E2, so that end E1, E2 relative two sidewall S1, S2 along magnetic 110 respectively extend to the side S3 of magnetic 110.
Fig. 3 is the schematic diagram of the inducer illustrating another embodiment of the present invention.Refer to Fig. 3, in the present embodiment, magnetic
The material of body 210 is identical with the material of the magnetic stamen 110 in Fig. 1, does not repeats them here.The inducer 200 of the present embodiment is with Fig. 1's
It is in place of the difference of inducer 100, inside buries portion 222 and can have multiple bending structure 222a, and these bending structures 222a is real
It is generally aligned in the same plane in matter.
Fig. 4 illustrates the profile of the inducer of further embodiment of this invention.Refer to Fig. 4, in the present embodiment, magnetic
The material of 310 is identical with the material of the magnetic stamen 110 in Fig. 1, does not repeats them here.The inducer 300 of the present embodiment and the electricity of Fig. 1
The magnetic 310 being the present embodiment in place of the difference of sensor 100 is a drum type structure, and wire 320 is in magnetic 310
Outward.The magnetic 310 of the present embodiment includes center pillar 312,1 first plate body 314 and one second plate body 316, Qi Zhongzhong
Two ends 312a, 312b of post 312 connects the first plate body 314 and the second plate body 316 respectively, and wire 320 is wound in center pillar
On 312.Specifically, between first plate body the 314, second plate body 316 and center pillar 312, form a winding space C, and wire
320 have two end E1, E2 and are positioned at the winding section 322 between two end E1, E2.Winding section 322 is positioned at winding space C and twines
It is around on center pillar 312, and two end E1, E2 are by extending to outside winding space C inside winding space C, with the electronics with other
Element (not illustrating) is electrically connected with.Additionally, also can optionally fill magnetic material 330 or a tree in winding space C
Fat material (not shown), to fill up the winding section 322 of winding space C coated wire 320.
Fig. 5 A～the process section of inducer that Fig. 5 C is Fig. 4 of the present invention.Detailed system about the inducer 300 of Fig. 4
Make flow process, refer to Fig. 5 A～Fig. 5 C.First, refer to Fig. 5 A, it is provided that a mixture M, the material of mixture M is same as Fig. 2 B
The material of mixture M.Then, refer to Fig. 5 B, mixture M is carried out a moulding process, to form magnetic 310.At this
In embodiment, moulding process includes pressure molding, cast shaping process or jetting formation process, and at pressure molding
In, put on the pressure for example, 6 tons every square centimeter to 11 tons every square centimeter of mixture M.Afterwards, such as with the side of heating
Formula solidification adhesive agent (not illustrating), and the temperature of heating is equal to or slightly higher than the solidification temperature of adhesive agent, for example, 300 DEG C with
Under, it is notable that the temperature of the heating used in the present embodiment is only suitable to solidify adhesive agent.Finally, refer to Fig. 5 C, will
The winding section 322 of wire 320 is wound on magnetic 310.
Fig. 6 illustrates the schematic diagram of the inducer of yet another embodiment of the invention.Refer to Fig. 6, in the present embodiment, magnetic
The material of 410 is identical with the material of the magnetic 110 in Fig. 1, does not repeats them here.In the present embodiment, magnetic 410 has
One first surface 412, runs through first surface 412 and second surface relative to the second surface 414 and of first surface 412
The perforation 416 of 414.Wire 420 for example, one additional conductive strips, wire 420 has two end E1, E2 and is positioned at two end E1, E2
Between winding section 422.Perforation 416 is run through in winding section 422, and end E1, E2 are respectively along first surface 412 and second surface 414
Extend to one the 3rd surface 418 of magnetic 410.3rd surface 418 is connected between first surface 412 and second surface 414.
Magnetic 410 optionally has one and runs through the 3rd surface 418 the slit G connected with perforation 416.
Inducer 100,300 institute of the first Magnaglo and the second Magnaglo to having different proportion described below
DoThe result of testing electrical property.
[experiment 1]
The structure of the inducer of experiment 1 is same as the structure of the inducer 100 of Fig. 1, and the line footpath A of wire 120 is 0.32
Millimeter, the diameter B of coil is 2.4 millimeters, and the number of turns of coil is 11.5 circles, and the briquetting pressure of magnetic 110 is 11 tons and often puts down
Square centimetre.The first Magnaglo and the main component of the second Magnaglo, mean diameter and hardness that experiment 1 is used arrange the most in detail
In table 1.
Table 1
As shown in Table 1, the ratio of D1 Yu D2 is 2.5.Fig. 7 illustrates the first Magnaglo and the second Magnaglo in magnetic
In ratio change time, the change situation of inducer inductance value under two kinds of frequencies (25KHz and 100KHz).Refer to Fig. 7,The ratio of the first Magnaglo is that the inductance value of inducer during 20wt%～80wt% is all higher than the first Magnaglo or second The ratio of Magnaglo is the inductance value of inducer during 100wt%.Preferably the ratio of the first Magnaglo is The ratio of 60wt% and the second Magnaglo is 40wt%, the weight of the i.e. first Magnaglo and the weight of the second Magnaglo
Ratio is 1.5, orThe ratio of the first Magnaglo is that the ratio of 60wt%～80wt% and the second Magnaglo is 40wt%～20wt%, the weight of the i.e. first Magnaglo is 1.5 to 4 with the ratio of the weight of the second Magnaglo。
[experiment 2]
The structure of the inducer of experiment 2 is same as the structure of the inducer 100 of Fig. 1, and the line footpath A of wire 120 is 0.32
Millimeter, the diameter B of coil is 2.4 millimeters, and the number of turns of coil is 11.5 circles, and the briquetting pressure of magnetic 110 is 11 tons and often puts down
Square centimetre.The first Magnaglo and the main component of the second Magnaglo, mean diameter and hardness that experiment 2 is used arrange the most in detail
In table 2.
Table 2
Fig. 8 illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, and inducer is in two
The change situation of the inductance value under kind frequency.Refer to Fig. 8, when the ratio that composition is ferrum and D1 with D2 of the second Magnaglo is
When 10, the ratio of the first Magnaglo be the inductance value of inducer during 20wt%～80wt% be all higher than the first Magnaglo or
The ratio of the second Magnaglo is the inductance value of inducer during 100wt%.The preferably ratio of the first Magnaglo
Ratio for 40wt% and the second Magnaglo is 60wt%, the weight of the i.e. first Magnaglo and the weight of the second Magnaglo
Ratio be 0.67, or the ratio that the ratio of the first Magnaglo is 40wt%～60wt% and the second Magnaglo is
60wt%～40wt%, the weight of the i.e. first Magnaglo is 0.67 to 1.5 with the ratio of the weight of the second Magnaglo.
And when the ratio that composition is siderochrome silicon alloy and D1 Yu D2 of the second Magnaglo is 4, the first Magnaglo
Ratio be the inductance value of inducer during 20wt%～80wt% be inductance during 100wt% more than the ratio of the first Magnaglo
The inductance value of device, and the inductance value that the ratio of the first Magnaglo is inducer during 20wt%～40wt% is slightly above the second magnetic
The inductance value that ratio is inducer during 100wt% of property powder, it is therefore advantageous to situation be that the ratio of the first Magnaglo is
The ratio of 20wt%～40wt% and the second Magnaglo is 80wt%～60wt%, the weight and second of the i.e. first Magnaglo
The ratio of the weight of Magnaglo is 0.25 to 0.67.
From the foregoing, it will be observed that with identical the first Magnaglo of the second Magnaglo collocation of different mean diameters, can be put down
All particle diameters are the least, and the effect of the inductance value promoting inducer is preferable.
Reality is carried out below with the magnetic of the iron powder 60wt% containing the amorphous alloy 40wt% of 40 microns and 4 microns
Test.The change situation of magnetic loss listed by table 3, and the change situation of efficiency listed by table 4, and Fig. 9 illustrates the electricity of the wire using the most collinear footpath
The inductance value change curve of sensor.The frequency of the experiment of table 3 is 300KHz, and magnetic induction is 30mT.The applying electric current of table 4
It it is 2 amperes.
Table 3
Table 4
As shown in Table 3, the amorphous alloy using 40 microns in the present embodiment is the first Magnaglo, the iron powder of 4 microns
It is the second Magnaglo, and the ratio of the first Magnaglo is 40wt%, and the ratio of the second Magnaglo is 60wt%, gained
To magnetic loss can relatively iron powder ratio be 100wt%, amorphous alloy ratio is 100wt% and amorphous alloy ratio is
100wt% (carrying out high-temperature heat treatment after forming technology) is low, and the biggest magnetic loss of briquetting pressure is the lowest.Therefore, it can be verified that this reality Execute example through suitably selecting different mean diameter and the first Magnaglo of hardness and the second Magnaglo magnetic being not required to Carry out obtaining under high-temperature heat treatment relatively low magnetic loss, therefore high temperature heat treatment step can be saved, and Simplified flowsheet.And use and comprise
First Magnaglo 112 with its material cost of magnetic 110 of the second Magnaglo 114 can be compared with the ratio of the first Magnaglo
The cost of material is low for 100wt%.
As shown in Table 4,Frequency is when 25KHz, and the efficiency of the present embodiment inducer is up to more than 76%, and frequency exists
During 300KHz,The efficiency of the present embodiment inducer is up to more than 90%, it is seen that the inducer of the present embodiment has splendid efficiency
Performance.Notably, briquetting pressure is good in efficiency compared with 11 tons every square centimeter of the efficiency of 8.5 tons every square centimeter.
As shown in Figure 9, under identical coil diameter B with the number of turns, the line footpath of wire is the least, and the inductance value of inducer is more
High.Therefore, the inductance value of inducer can be adjusted by the line footpath changing wire.
[experiment 3]
The structure of the inducer of experiment 3 is same as the structure of the inducer 100 of Fig. 1, and the line footpath A of wire 120 is 0.32
Millimeter, the diameter B of coil is 2.4 millimeters, and the number of turns of coil is 13.5 circles, and the briquetting pressure of magnetic 110 is 11 tons and often puts down
Square centimetre.The first Magnaglo and the main component of the second Magnaglo, mean diameter and hardness that experiment 3 is used arrange the most in detail
In table 5.
Table 5
As shown in Table 5, the ratio of D1 Yu D2 is 5.Figure 10 A illustrates the first Magnaglo and the second Magnaglo in magnetic
In ratio when changing, the change situation of the inductance value of inducer and magnetic density.Figure 10 B illustrates the first Magnaglo and
When two Magnaglos ratio in magnetic changes, the magnetic density of inducer and the change situation of permeability.
Refer to Figure 10 A and Figure 10 B, the ratio of the first Magnaglo is the inductance of inducer during 20wt%～60wt%
It is inductance during 100wt% that value, magnetic density and permeability are all higher than the ratio of the first Magnaglo or the second Magnaglo
The inductance value of device, magnetic density and permeability.Preferably the ratio of the first Magnaglo is 40wt% and the second magnetic
Property powder ratio be 60wt%, the ratio of the weight of the i.e. first Magnaglo and the weight of the second Magnaglo is 0.67, or
Person be the ratio that ratio is 40wt%～60wt% and the second Magnaglo of the first Magnaglo be 60wt%～40wt%, i.e.
The weight of the first Magnaglo with the ratio of the weight of the second Magnaglo is0.67 to 1.5。
Table 6 list the inducer of the present embodiment in same current (2 amperes), identical briquetting pressure (11 tons every square li
Rice) and two kinds of frequencies under efficiency performance.
Table 6
As shown in Table 6,The ratio of amorphous alloy be the ratio of 20wt%～40wt% and iron powder be 80wt%～ Inducer during 60wt%, frequency in 25KHz time, efficiency is up to more than 75%,And frequency is when 300KHz, efficiency up to More than 90%, it is seen that the inducer of the present embodiment has splendid efficiency performance.
[experiment 4]
The structure of the inducer of experiment 4 is same as the structure of the inducer 300 of Fig. 4, and the line footpath A of wire 320 is 0.32
Millimeter, the diameter B of coil is 2.4 millimeters, and the number of turns of coil is 11.5 circles, and the briquetting pressure of magnetic 310 be 8 or 11 tons every
Square centimeter.The first Magnaglo and the main component of the second Magnaglo, mean diameter and hardness that experiment 4 is used are the most detailed
It is listed in Table 7 below.
Table 7
As shown in Table 7, the ratio of D1 Yu D2 is 2.5.Figure 11 A illustrates when the first Magnaglo and the second Magnaglo are at magnetic
When ratio in gonosome changes, the inductance value change situation of inducer, and illustrate inducer at two kinds of inductance applied under frequency
Value change situation.Figure 11 B illustrates when the first Magnaglo and the second Magnaglo ratio in magnetic changes, inducer
Inductance value change situation, and illustrate the inductance value change situation of the inducer formed with two kinds of briquetting pressures.
From Figure 11 A, the ratio of the first Magnaglo is that the inductance value of inducer during 20wt%～80wt% is the biggest The inductance value that ratio is inducer during 100wt% in the first Magnaglo or the second Magnaglo.Preferably The ratio of one Magnaglo be the ratio of 60wt% and the second Magnaglo be 40wt%, the weight of the i.e. first Magnaglo and the The ratio of the weight of two Magnaglos is 1.5, or the ratio of the first Magnaglo is 60wt%～80wt% and the second magnetic The ratio of property powder is 40wt%～20wt%, and the weight of the i.e. first Magnaglo with the ratio of the weight of the second Magnaglo is 1.5 to 4.Additionally, from Figure 11 B, when briquetting pressure is the biggest, the permeability of inducer is the biggest.Therefore, can be by changing over
Type pressure adjusts the permeability of inducer.
[experiment 5]
The structure of the inducer of experiment 5 is same as the structure of the inducer 300 of Fig. 4, and the line footpath A of wire 320 is 0.32
Millimeter, the diameter B of coil is 2.4 millimeters, and the number of turns of coil is 11.5 circles, and the briquetting pressure of magnetic 310 is 11 tons and often puts down
Square centimetre.The first Magnaglo and the main component of the second Magnaglo, mean diameter and hardness that experiment 5 is used arrange the most in detail
In table 8.
Table 8
Refer to Figure 12, when the ratio that composition is ferrum and D1 Yu D2 of the second Magnaglo is 10, the first Magnaglo
The inductance value that ratio is inducer during 20wt%～80wt% be all higher than the ratio of the first Magnaglo or the second Magnaglo
Example is the inductance value of inducer during 100wt%.PreferablyThe ratio of the first Magnaglo is 40wt% and the second magnetic The ratio of property powder is 60wt%, the weight of the i.e. first Magnaglo is 0.67 with the ratio of the weight of the second Magnaglo, or
Person be the ratio that ratio is 40wt%～60wt% and the second Magnaglo of the first Magnaglo be 60wt%～40wt%, i.e.
The weight of the first Magnaglo is 0.67 to 1.5 with the ratio of the weight of the second Magnaglo.
And when the ratio that composition is siderochrome silicon alloy and D1 Yu D2 of the second Magnaglo is 4, the first Magnaglo
Ratio be the inductance value of inducer during 20wt%～80wt% be inductance during 100wt% more than the ratio of the first Magnaglo
The inductance value of device, and the inductance value that the ratio of the first Magnaglo is inducer during 20wt%～40wt% is slightly larger than the second magnetic
The inductance value that ratio is inducer during 100wt% of property powder, therefore,Preferably the ratio of the first Magnaglo is The ratio of 20wt%～40wt% and the second Magnaglo is 80wt%～60wt%, the weight and second of the i.e. first Magnaglo
The ratio of the weight of Magnaglo is 0.25 to 0.67.
From the foregoing, it will be observed that with identical the first Magnaglo of the second Magnaglo collocation of different mean diameters, can be put down
All particle diameters are the least, and the effect of the inductance value promoting inducer is preferable.
In sum, the present invention at least has the advantage that
1. the present invention be use the different Magnaglo of mean diameter to form magnetic, therefore, in moulding process, flat
The Magnaglo that all particle diameter is little can be filled up in the space between the Magnaglo that mean diameter is big, and pressed density is increased,
And then promote the permeability of inducer.
2. the present invention is to use the different Magnaglo of hardness to form magnetic, and the little Magnaglo of mean diameter holds
Easily fill up in the space between the Magnaglo that mean diameter is big, thus the forming pressure required in moulding process of Magnaglo with
And produced strain is greatly reduced, and then the magnetic loss of the inducer of the present invention can be reduced.Further, the present invention can avoid inductance
Device carries out the problem that high-temperature heat treatment can prevent wire from aoxidizing to eliminate the strain of Magnaglo because bearing high temperature.
3.The present invention be use the first Magnaglo and the second Magnaglo to make magnetic, therefore the inducer of the present invention In the case of altofrequency (25KHz or 100KHz), the more existing known employing iron powder of inductance value of permeability and correspondence makes Magnetic height。
4. the present invention be use the first Magnaglo of metal alloy powders and the second Magnaglo to make magnetic, its
Material cost the most all can make magnetic with metal alloy powders, and the cost of material is low.
The above, be only presently preferred embodiments of the present invention, and the present invention not makees any pro forma restriction, though
So the present invention is disclosed above with preferred embodiment, but is not limited to the present invention, any technology people being familiar with this specialty
Member, in the range of without departing from technical solution of the present invention, when the method for available the disclosure above and technology contents make a little more
Move or be modified to the Equivalent embodiments of equivalent variations, as long as being the content without departing from technical solution of the present invention, according to the present invention's
Any simple modification, equivalent variations and the modification that above example is made by technical spirit, all still falls within technical solution of the present invention
In the range of.
Claims (13)
1. an inducer, it is characterised in that comprising:
One first Magnaglo；
One second Magnaglo, this first Magnaglo mixes mutually with this second Magnaglo, wherein this first Magnaglo
Mean diameter is more than 2 with the ratio of the mean diameter of this second Magnaglo, and this first magnetic mixed mutually is not by advance
Oxidation is so that its surface insulation；And
One wire with insulating barrier, this first Magnaglo mixed mutually and this second Magnaglo and in be embedded in wherein
This to have the wire of insulating barrier one-body molded to form a magnetic below 300 DEG C, wherein said second Magnaglo is filled out
Mend in the space between the first Magnaglo, to increase the density of this magnetic, thus promote the permeability of this inducer.
Inducer the most according to claim 1, it is characterised in that the mean diameter of described first Magnaglo is 10 microns
To 40 microns.
Inducer the most according to claim 1, it is characterised in that the mean diameter of described second Magnaglo less than or etc.
In 10 microns.
Inducer the most according to claim 1, it is characterised in that the material of described first Magnaglo includes that siderochrome silicon closes
Gold, iron-nickel alloy, amorphous alloy, ferro-silicium or ferrum alusil alloy.
Inducer the most according to claim 1, it is characterised in that the material of described second Magnaglo includes that ferrum or ferrum close
Gold.
Inducer the most according to claim 1, it is characterised in that the material of described first Magnaglo includes that noncrystalline closes
Gold, and the material of this second Magnaglo includes ferrum.
Inducer the most according to claim 1, it is characterised in that the weight of this first Magnaglo and this second magnetic powder
The ratio of the weight at end is between 0.25 to 4.
Inducer the most according to claim 1, it is characterised in that when the material of this first Magnaglo includes that noncrystalline closes
Gold, and when the material of this second Magnaglo includes ferrum, the weight of this first Magnaglo and the weight of this second Magnaglo
Ratio between 0.67 to 1.5.
Inducer the most according to claim 1, it is characterised in that when the material of this first Magnaglo includes that siderochrome silicon closes
Gold, and when the material of this second Magnaglo includes ferrum, the weight of this first Magnaglo and the weight of this second Magnaglo
Ratio between 1.5 to 4.
10. an inducer, it is characterised in that comprising:
One first Magnaglo；
One second Magnaglo, this first Magnaglo mixes mutually with this second Magnaglo, wherein this first Magnaglo
Mean diameter is more than 2 with the ratio of the mean diameter of this second Magnaglo, and this first magnetic mixed mutually is not by advance
Oxidation is so that its surface insulation；And
One coil, this coil is formed by a wire with insulating barrier, this first Magnaglo mixed mutually with this
Two Magnaglos and in be embedded in this coil therein one-body molded to form a magnetic below 300 DEG C, wherein said second
Magnaglo is filled up in the space between the first Magnaglo, to increase the density of this magnetic, thus promotes this inducer
Permeability.
11. 1 kinds of inducers, it is characterised in that comprising:
One first Magnaglo；
One second Magnaglo, this first Magnaglo mixes mutually with this second Magnaglo, wherein this first Magnaglo
The ratio of the mean diameter of mean diameter and this second Magnaglo between 2.5 to 10, this first magnetic mixed mutually
Property is the most pre-oxidation so that its surface insulation；And
One coil, this coil is formed by a wire with insulating barrier, this first Magnaglo mixed mutually with this
Two Magnaglos and in be embedded in this coil therein one-body molded to form a magnetic below 300 DEG C, wherein said second
Magnaglo is filled up in the space between the first Magnaglo, to increase the density of this magnetic, thus promotes this inducer
Permeability.
12. 1 kinds of inducers, it is characterised in that comprising:
One first Magnaglo；
One second Magnaglo, this first Magnaglo mixes mutually with this second Magnaglo, wherein this first Magnaglo
Mean diameter is more than 2 with the ratio of the mean diameter of this second Magnaglo, the mean diameter of wherein said second Magnaglo
Less than or equal to 4 microns；And
One wire with insulating barrier, this first Magnaglo mixed mutually and this second Magnaglo and in be embedded in wherein
This to have the wire of insulating barrier one-body molded to form a magnetic below 300 DEG C, wherein said second Magnaglo is filled out
Mend in the space between the first Magnaglo, to increase the density of this magnetic, thus promote the permeability of this inducer.
The manufacture method of 13. 1 kinds of inducers, it is characterised in that comprise the following steps:
One wire with insulating barrier is provided；
Thering is provided a mixture, this mixture includes:
One first Magnaglo；
One second Magnaglo, this first Magnaglo mixes mutually with this second Magnaglo, wherein this first Magnaglo
Mean diameter is more than 2 with the ratio of the mean diameter of this second Magnaglo, and this first magnetic mixed mutually is not by advance
Oxidation is so that its surface insulation；And
One adhesive agent, mixes mutually with this first Magnaglo and this second magnetic powder powder；
This wire and this mixture are carried out a moulding process, this first Magnaglo mixed mutually and this second magnetic powder
End and in be embedded in therein this to have the wire of insulating barrier one-body molded to form a magnetic below 300 DEG C, wherein said
Second Magnaglo is filled up in the space between the first Magnaglo, to increase the density of this magnetic, thus promotes this inductance
The permeability of device；And
Solidify this adhesive agent.
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| CN101901668B (en) * | 2009-05-27 | 2016-07-13 | 乾坤科技股份有限公司 | Inducer and preparation method thereof |
| CN102568779B (en) * | 2010-12-13 | 2015-03-25 | 阿尔卑斯绿色器件株式会社 | Inductance element |
| KR20130123252A (en) * | 2012-05-02 | 2013-11-12 | 삼성전기주식회사 | Layered inductor and manufacturing method fo the same |
| CN102737802A (en) * | 2012-07-02 | 2012-10-17 | 浙江嘉康电子股份有限公司 | Coil and magnetic powder integrated inductor and manufacturing method thereof |
| JP5871329B2 (en) * | 2013-03-15 | 2016-03-01 | サムソン エレクトロ−メカニックス カンパニーリミテッド． | Inductor and manufacturing method thereof |
| JP6087708B2 (en) * | 2013-04-17 | 2017-03-01 | 株式会社神戸製鋼所 | Winding element manufacturing method |
| KR20150007766A (en) * | 2013-07-12 | 2015-01-21 | 삼성전기주식회사 | Inductor and method for manufacturing the same |
| US9719159B2 (en) * | 2014-09-24 | 2017-08-01 | Cyntec Co., Ltd. | Mixed magnetic powders and the electronic device using the same |
| CN105575644A (en) * | 2014-11-07 | 2016-05-11 | 昆山玛冀电子有限公司 | Fabrication method for inductor free of welding point |
| JP6583627B2 (en) * | 2015-11-30 | 2019-10-02 | Tdk株式会社 | Coil parts |
| KR20180082211A (en) * | 2017-01-10 | 2018-07-18 | 엘지이노텍 주식회사 | Magnetic core and coil component |
| JP7078016B2 (en) * | 2019-06-17 | 2022-05-31 | 株式会社村田製作所 | Inductor parts |
| CN114334400A (en) * | 2020-09-29 | 2022-04-12 | 吴江华丰电子科技有限公司 | Magnetic assembly and manufacturing method thereof |
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| CN111724986A (en) * | 2019-03-22 | 2020-09-29 | 乾坤科技股份有限公司 | Method for forming multiple electric elements and single electric element made by said method |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105914002B (en) | 2018-08-31 |
| CN101901668B (en) | 2016-07-13 |
| CN105914003B (en) | 2018-09-04 |
| CN101901668A (en) | 2010-12-01 |
| CN105914002A (en) | 2016-08-31 |
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