CN106409488A - Method for manufacturing power choke coil by using amorphous microcrystalline material - Google Patents
Method for manufacturing power choke coil by using amorphous microcrystalline material Download PDFInfo
- Publication number
- CN106409488A CN106409488A CN201610312021.6A CN201610312021A CN106409488A CN 106409488 A CN106409488 A CN 106409488A CN 201610312021 A CN201610312021 A CN 201610312021A CN 106409488 A CN106409488 A CN 106409488A
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- Prior art keywords
- magnetic circuit
- magnetic core
- microcrystalline material
- amorphous microcrystalline
- magnetic
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F37/00—Fixed inductances not covered by group H01F17/00
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- 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
- H01F1/153—Amorphous metallic alloys, e.g. glassy metals
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/25—Magnetic cores made from strips or ribbons
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F3/10—Composite arrangements of magnetic circuits
- H01F3/14—Constrictions; Gaps, e.g. air-gaps
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/0206—Manufacturing of magnetic cores by mechanical means
- H01F41/0213—Manufacturing of magnetic circuits made from strip(s) or ribbon(s)
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Dispersion Chemistry (AREA)
- Composite Materials (AREA)
- Soft Magnetic Materials (AREA)
- Coils Or Transformers For Communication (AREA)
- Manufacturing Cores, Coils, And Magnets (AREA)
Abstract
The invention discloses a method for manufacturing a power choke coil by using an amorphous microcrystalline material. The amorphous microcrystalline material is wound into a magnetic core; and an upper part of magnetic circuit and a lower part of magnetic circuit which are wound by the amorphous microcrystalline material are arranged at the upper part and the lower part of the magnetic core respectively. According to the method for manufacturing the power choke coil by using the amorphous microcrystalline material, the habitual thinking of the trend of a traditional magnetic circuit is changed; and a component with a certain shape is wound by the amorphous microcrystalline material and is used for building partial or whole magnetic circuit of the power coke coil without machining cutting. The manufactured power coke coil can bring the advantage of high Bs of the material into full play and can fully utilize the advantage of low loss of the material. The high-frequency power choke coil manufactured by the method is small in power loss, and also has the characteristics of good frequency adaptability, small volume and low cost.
Description
Technical field
The invention belongs to magnetic device technical field is and in particular to a kind of adopt amorphous microcrystalline material manufacture power chokes
Method.
Background technology
The design of power chokes generally according to electromagnetism general principle, coil is wrapped in a closed magnetic circuit, shape
Become an inductance.Although magnetic structure is ever-changing, the stereochemical structures such as squarely, circle and tank shape can be designed, must shape
Become closing structure.
The magnetic circuit of power chokes generally adopts the magnetic material of single variety but it is also possible to adopt multiple magnetic material groups
Close, realized by way of building.
The design of power chokes needs to increase magnetic resistance by the form of air gap in the magnetic circuit of magnetic material composition, reaches
Design requirement value, to guarantee to cause magnetic material saturation in the case of the magnetic bias that rated operational current causes, thus keep
There is under rated operational current state the inductance value of design requirement.
The magnetic circuit coil structure of power chokes is mostly focused on following three classes in the market：One class is circulus,
Magnetic core using metal magnetic powder core or has air gap amorphous microcrystalline toroidal core (as shown in Figure 1)；Equations of The Second Kind is combining structure, magnetic core
Spelling is taken using metal magnetic powder core amorphous microcrystalline or ferrite square magnetic core, forms UE shape magnetic circuit (as shown in Fig. 2 (a), Fig. 2 (b))；
3rd class is pot structure, and magnetic core adopts one-time formed metal magnetic powder core or Ferrite Material (as shown in Figure 3).
Power consumption is one of most important index of power chokes, determines power conversion efficiency during work, determines simultaneously
The degree of heat during product work.Power consumption comes from magnetic material loss (iron loss) and coil loss (copper loss) two parts, iron loss
The main loss objective size by magnetic material itself determines.
Amorphous microcrystalline material is a kind of banding magnetic material with one fixed width, thickness very little, and hardness is very big but toughness
Extremely low, it is commonly wrapped about into definite shape application, in practical application, a fixed structure can only be formed by way of winding.Amorphous microcrystalline
Material has the feature that Bs is higher, power consumption is very low simultaneously, naturally should widely apply, but due to the fact that, application scenarios are simultaneously
Seldom.
Closed using magnetic core being made three kinds of shapes formation in amorphous microcrystalline material manufacture high frequency power choke coil, current industry
Close magnetic circuit：Be wound into ring-shaped magnetic core notch (must directly magnetic core reach the standard grade around), be wound into CD type cut into two parts (can be with line
Around or copper strips around making after coil the assembling of cushion steam gap), cut into after winding diamond type by take spell shape become magnetic circuit (can with line around or
Copper strips is assembled around making cushion steam gap after coil).Three of the above mode is required for being machined out otch to amorphous microcrystalline material, but
In fact the power attenuation of the amorphous microcrystalline material after machining otch can increase by 1 number magnitude, that is, close to even
Exceed the loss level of metal magnetic powder core, its reason comes from eddy-current loss increase or the stress increase that cut out portion causes actually
Caused, there is no in the industry clear and definite mechanism final conclusion, but not yet find highly effective solution so far.Then mostly put in the industry
Abandon amorphous microcrystalline material and adopted metal magnetic core material, or even in the field of business defining would rather be using the very low ferrite material of Bs
Expect the common recognition being also unwilling using amorphous microcrystalline material manufacture high frequency power choke coil.
Content of the invention
It is an object of the invention to provide a kind of method of employing amorphous microcrystalline material manufacture power chokes, solve at present
Adopt in the industry the big problem of the power attenuation of the power chokes of amorphous microcrystalline material manufacture.
The technical solution adopted in the present invention is, a kind of method of employing amorphous microcrystalline material manufacture power chokes, will
Amorphous microcrystalline material is wound into magnetic core, magnetic core be respectively provided with up and down the upper part magnetic circuit being wound into by amorphous microcrystalline material and
Lower part magnetic circuit.
The feature of the present invention also resides in：
Magnetic core is to be wound into the pie magnetic core of any one in the oval or square quasi-circular of circle by amorphous microcrystalline material,
Upper part magnetic circuit is consistent with the shape of magnetic core with the shape of lower part magnetic circuit, between magnetic core and upper part magnetic circuit and lower part magnetic circuit
Leave air gap, form a part for power chokes.
Magnetic core is to be wound in the middle of the oval or square quasi-circular of circle by amorphous microcrystalline material to carry and peripheral shape
The ring-shaped magnetic core of any one of the same endoporus, upper part magnetic circuit is consistent with the shape of magnetic core with the shape of lower part magnetic circuit, magnetic
Leave air gap between core and upper part magnetic circuit and lower part magnetic circuit, form a part for pot structure power chokes.
Magnetic core is to be wound in the middle of the oval or square quasi-circular of circle by amorphous microcrystalline material to carry and peripheral shape
The ring-shaped magnetic core of any one of the same endoporus, upper part magnetic circuit and lower part magnetic circuit are that shape is consistent with the peripheral shape of magnetic core
Pie magnetic circuit, formed pot structure power chokes.
Magnetic core is to be wound into the pie magnetic core of any one in the oval or square quasi-circular of circle by amorphous microcrystalline material,
Two or more identical magnetic cores are placed side by side, and upper part magnetic circuit and lower part magnetic circuit are respectively by amorphous microcrystalline material
It is wound into the rectangular magnetic circuit of both sides round shape, two magnetic cores are arranged between part magnetic circuit and lower part magnetic circuit, form UE shape
Power chokes.
The invention has the beneficial effects as follows：A kind of method of present invention employing amorphous microcrystalline material manufacture power chokes, changes
Become the custom thinking of traditional magnetic circuit trend, be wound into the part of definite shape using amorphous microcrystalline material, need not be by machining
Cutting, for building the part or all of magnetic circuit of power chokes.The power chokes so manufacturing can give full play to such
The high advantage of material Bs, can make full use of the low advantage of such spillage of material again.The high frequency power being manufactured using the inventive method
Choke coil power attenuation is little, has the characteristics that frequency adaptability is good, small volume, with low cost simultaneously.
Brief description
Fig. 1 is the structural representation of existing ring-shaped magnetic core power chokes；
Fig. 2 is the structural representation of existing UE shape magnetic circuit power chokes；
Fig. 3 is the structural representation of existing can-like structure power chokes；
Fig. 4 is the magnetic circuit direction schematic diagram of the power chokes that the present invention manufactures；
Fig. 5 is circular magnetic core in the present invention；
Fig. 6 is oval magnetic core in the present invention；
Fig. 7 is square quasi-circular magnetic core in the present invention；
Fig. 8 is round shape rectangle magnetic core in both sides in the present invention；
Fig. 9 is the structural representation one of the power chokes that the present invention manufactures；
Figure 10 is the structural representation two of the power chokes that the present invention manufactures；
Figure 11 is the structural representation three of the power chokes that the present invention manufactures；
Figure 12 is the structural representation four of the power chokes that the present invention manufactures.
Specific embodiment
The present invention is described in detail with reference to the accompanying drawings and detailed description.
A kind of core of the method using amorphous microcrystalline material manufacture power chokes of the present invention is using amorphous microcrystalline material
Expect isotropic feature, change traditional magnetic circuit direction, as shown in Figure 4.
A kind of method of present invention employing amorphous microcrystalline material manufacture power chokes, amorphous microcrystalline material is wound into magnetic
Core, is respectively provided with the upper part magnetic circuit being wound into by amorphous microcrystalline material and lower part magnetic circuit up and down in magnetic core.
As shown in figure 9, magnetic core is to be wound into circular (as Fig. 5) or oval (as Fig. 6) or square by amorphous microcrystalline material
The pie magnetic core of any one in quasi-circular (as Fig. 7), upper part magnetic circuit is consistent with the shape of magnetic core with the shape of lower part magnetic circuit,
Leave air gap between magnetic core and upper part magnetic circuit and lower part magnetic circuit, the magnetic circuit of any suitable configurations power chokes can be formed
A part.Core portion can also several magnetic cores be superimposed, and leaves air gap it is therefore an objective to dispersion magnetic air gap, reach between magnetic core
To the purpose reducing the loss of choke coil local.
As shown in Figure 10, magnetic core is to be wound into circular (as Fig. 5) or oval (as Fig. 6) or square by amorphous microcrystalline material
The ring-shaped magnetic core of any one, upper part magnetic circuit and bottom with the endoporus with peripheral shape in the middle of quasi-circular (as Fig. 7)
Divide the shape of magnetic circuit consistent with the shape of magnetic core, between magnetic core and upper part magnetic circuit and lower part magnetic circuit, leave air gap, can be with shape
Become the lateral surface magnetic circuit of pot structure power chokes.Core portion can also several magnetic cores be superimposed, and leaves gas between magnetic core
Gap, it is therefore an objective to dispersion magnetic air gap, reduces the purpose of choke coil local loss.
As shown in figure 11, magnetic core is to be wound into circular (as Fig. 5) or oval (as Fig. 6) or square by amorphous microcrystalline material
The ring-shaped magnetic core of any one, upper part magnetic circuit and bottom with the endoporus with peripheral shape in the middle of quasi-circular (as Fig. 7)
Divide magnetic circuit to be the shape pie magnetic circuit consistent with the peripheral shape of magnetic core, form pot structure power chokes.
As shown in figure 12, magnetic core is to be wound into circular (as Fig. 5) or oval (as Fig. 6) or square by amorphous microcrystalline material
The pie magnetic core of any one in quasi-circular (as Fig. 7), two or more identical magnetic cores are placed side by side, upper part magnetic circuit
It is respectively the magnetic circuit being wound into both sides round shape rectangle (as Fig. 8) by amorphous microcrystalline material with lower part magnetic circuit, two magnetic cores set
Put between upper part magnetic circuit and lower part magnetic circuit, form UE shape power chokes.
Claims (5)
1. a kind of method of employing amorphous microcrystalline material manufacture power chokes it is characterised in that by amorphous microcrystalline material volume around
Become magnetic core, be respectively provided with the upper part magnetic circuit being wound into by amorphous microcrystalline material and lower part magnetic circuit up and down in magnetic core.
2. a kind of employing amorphous microcrystalline material manufacture power chokes according to claim 1 method it is characterised in that
Described magnetic core is to be wound into the pie magnetic core of any one in the oval or square quasi-circular of circle, top by amorphous microcrystalline material
Divide magnetic circuit consistent with the shape of magnetic core with the shape of lower part magnetic circuit, leave between magnetic core and upper part magnetic circuit and lower part magnetic circuit
Air gap, forms a part for power chokes.
3. a kind of employing amorphous microcrystalline material manufacture power chokes according to claim 1 method it is characterised in that
Described magnetic core is to be wound in the middle of the oval or square quasi-circular of circle with as peripheral shape by amorphous microcrystalline material
Endoporus the ring-shaped magnetic core of any one, upper part magnetic circuit is consistent with the shape of magnetic core with the shape of lower part magnetic circuit, magnetic core with
Leave air gap between upper part magnetic circuit and lower part magnetic circuit, form a part for pot structure power chokes.
4. a kind of employing amorphous microcrystalline material manufacture power chokes according to claim 1 method it is characterised in that
Described magnetic core is to be wound in the middle of the oval or square quasi-circular of circle with as peripheral shape by amorphous microcrystalline material
Endoporus the ring-shaped magnetic core of any one, upper part magnetic circuit and lower part magnetic circuit are the shape cake consistent with the peripheral shape of magnetic core
Shape magnetic circuit, forms pot structure power chokes.
5. a kind of employing amorphous microcrystalline material manufacture power chokes according to claim 1 method it is characterised in that
Described magnetic core is to be wound into the pie magnetic core of any one in the oval or square quasi-circular of circle by amorphous microcrystalline material, two
Or two or more identical magnetic core is placed side by side, upper part magnetic circuit and lower part magnetic circuit be respectively by amorphous microcrystalline material volume around
Become the rectangular magnetic circuit of both sides round shape, two magnetic cores are arranged between part magnetic circuit and lower part magnetic circuit, form UE shape power
Choke coil.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312021.6A CN106409488A (en) | 2016-05-12 | 2016-05-12 | Method for manufacturing power choke coil by using amorphous microcrystalline material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610312021.6A CN106409488A (en) | 2016-05-12 | 2016-05-12 | Method for manufacturing power choke coil by using amorphous microcrystalline material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106409488A true CN106409488A (en) | 2017-02-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610312021.6A Pending CN106409488A (en) | 2016-05-12 | 2016-05-12 | Method for manufacturing power choke coil by using amorphous microcrystalline material |
Country Status (1)
| Country | Link |
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| CN (1) | CN106409488A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144534A (en) * | 1996-11-08 | 1998-05-29 | Mitsui Chem Inc | Magnetic core for inductor and inductor |
| JP2013089896A (en) * | 2011-10-21 | 2013-05-13 | Yasuhiko Okubo | Coil |
| CN103890874A (en) * | 2011-10-31 | 2014-06-25 | 株式会社日立制作所 | Reactor, transformer, and power conversion apparatus using same |
| CN204229999U (en) * | 2014-12-05 | 2015-03-25 | 田村（中国）企业管理有限公司 | Dull and stereotyped magnetic core reactor |
| JP2015185673A (en) * | 2014-03-24 | 2015-10-22 | Ntn株式会社 | Magnetic device |
-
2016
- 2016-05-12 CN CN201610312021.6A patent/CN106409488A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH10144534A (en) * | 1996-11-08 | 1998-05-29 | Mitsui Chem Inc | Magnetic core for inductor and inductor |
| JP2013089896A (en) * | 2011-10-21 | 2013-05-13 | Yasuhiko Okubo | Coil |
| CN103890874A (en) * | 2011-10-31 | 2014-06-25 | 株式会社日立制作所 | Reactor, transformer, and power conversion apparatus using same |
| JP2015185673A (en) * | 2014-03-24 | 2015-10-22 | Ntn株式会社 | Magnetic device |
| CN204229999U (en) * | 2014-12-05 | 2015-03-25 | 田村（中国）企业管理有限公司 | Dull and stereotyped magnetic core reactor |
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Application publication date: 20170215 |
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| RJ01 | Rejection of invention patent application after publication |