CN108597793A - A kind of composite magnetic of the high-performance high-frequency rate responsiveness with stepped construction - Google Patents
A kind of composite magnetic of the high-performance high-frequency rate responsiveness with stepped construction Download PDFInfo
- Publication number
- CN108597793A CN108597793A CN201810392981.7A CN201810392981A CN108597793A CN 108597793 A CN108597793 A CN 108597793A CN 201810392981 A CN201810392981 A CN 201810392981A CN 108597793 A CN108597793 A CN 108597793A
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- Prior art keywords
- ferrite
- nanocrystalline
- amorphous
- magnetic
- frequency rate
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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
- H01F27/00—Details of transformers or inductances, in general
- H01F27/24—Magnetic cores
- H01F27/245—Magnetic cores made from sheets, e.g. grain-oriented
-
- 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
-
- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J50/00—Circuit arrangements or systems for wireless supply or distribution of electric power
- H02J50/10—Circuit arrangements or systems for wireless supply or distribution of electric power using inductive coupling
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Computer Networks & Wireless Communication (AREA)
- Chemical & Material Sciences (AREA)
- Dispersion Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
The composite magnetic for the high-performance high-frequency rate responsiveness with stepped construction that the invention discloses a kind of, it is sequentially overlapped by primer, quilting material and sandwich material, the primer is the nontransparent double-sided pressure-sensitive of one layer of black or sub- black, the quilting material is the one side glue of one layer of black or sub- black, the sandwich material be one by arbitrary two or three of soft magnetic materials in ferrite, nanocrystalline and amorphous it is alternately laminated at magnetic material laminated construction.Compared to traditional ferrite and nanocrystalline and amorphous soft magnetic materials, this composite magnetic with stepped construction provided by the invention is with high magnetic saturation intensity, wide-band and highly sensitive frequency response, the features such as high magnetic permeability and low magnetic loss, therefore the composite magnetic of the present invention is suitable for the use of next-generation wireless charging transmitting terminal and receiving terminal, especially suitable for contactless resonant A4WP wireless charging schemes.
Description
Technical field
The invention belongs to wireless charging technical fields, and in particular to a kind of height with stepped construction for wireless charging
The composite magnetic of performance high-frequency responsiveness.
Background technology
Nowadays, wireless charging field is hastily penetrating into people’s lives, especially consumer electronics,
The related fields such as medical electronics, industrial electronic have extensive foreground.Among this, support that the mobile phone of wireless charging will be more next
It is more universal, therefore the demand of wireless charging also can be increasing.
Existing wireless charging is divided into magnetic coupling, the forms such as magnetic resonance and microwave.And it is applied to mobile phone wireless at present and charges
Low frequency（100-300KHz）The wireless charging electrical method of magnetic coupling type needs transmitting terminal and receiving terminal distance in millimeter magnitude, therefore
It cannot achieve long-range charging.And the wireless charging electrical method based on magnetic resonance type, working frequency are but existing traditional in 6-7MHz
That there are magnetic saturation intensities is low for ferrite, easily saturation the shortcomings of, therefore while being easy to cause wireless charging occur that magnetic conductivity is low and magnetic loss
High problem；And the problems such as existing nano-crystalline and amorphous has frequency response sensitivity poor, and magnetic conductivity and magnetic loss are not easy to optimize.
It can thus be seen that above-mentioned three kinds of wireless charging forms cannot all meet performance of the new generation of wireless charging technique to magnetic material
With the requirement of reliability.
Invention content
The composite magnetic material for the high-performance high-frequency rate responsiveness with stepped construction that the purpose of the present invention is to provide a kind of
Material, to meet requirement of the new generation of wireless charging technique to the Performance And Reliability of magnetic material.
To realize above-mentioned technical purpose and the technique effect, the invention is realized by the following technical scheme：
A kind of composite magnetic of the high-performance high-frequency rate responsiveness with stepped construction, by primer, quilting material and
Sandwich material is sequentially overlapped, and the primer is the nontransparent double-sided pressure-sensitive of one layer of black or sub- black, the top
Layer material is the one side glue of one layer of black or sub- black, and the sandwich material is one by ferrite, nanocrystalline and amorphous
Arbitrary two or three of soft magnetic materials it is alternately laminated at magnetic material laminated construction.
Further, pass through transparent double face glue between the adjacent two layers soft magnetic materials in the magnetic material laminated construction
Separate.
Further, the thickness of the transparent double face glue is 3-5 microns.
Further, each layer ferritic thickness is 10-40 microns；Each described nanocrystalline and described amorphous of layer
Thickness be 10-30 microns.
Preferably, the magnetic material laminated construction presses ferrite/nanocrystalline/ferrite/nanocrystalline/ferrite, iron oxygen
Any one combination in body/nanocrystalline/ferrite/nanocrystalline, ferrite/nanocrystalline/ferrite or ferrite/nanocrystalline
Form is laminated.
Preferably, the magnetic material laminated construction presses ferrite/amorphous/ferrite/amorphous/ferrite, ferrite/non-
Crystalline substance/ferrite/amorphous, any one combining form stacking in ferrite/amorphous/ferrite or ferrite/amorphous.
Preferably, the magnetic material laminated construction presses nanocrystalline/amorphous/nanocrystalline/amorphous/nanocrystalline, nanocrystalline/non-
Any one combining form stacking in crystalline substance/nanocrystalline/amorphous, nanocrystalline/amorphous/nanocrystalline or nanocrystalline/amorphous.
Preferably, the magnetic material laminated construction presses ferrite/amorphous/ferrite/nanocrystalline/ferrite or iron oxygen
Any one combining form stacking in body/amorphous/nanocrystalline/ferrite.
Preferably, the ferrite is Ni, Zn or Mn, the ferrite of Zn and as similar soft magnetic ferrites.
Preferably, described nanocrystalline for nanocrystalline containing Fe, Si, B, Cu or Nb and as similar nano-crystal soft-magnetic material
Material.
Preferably, the amorphous is amorphous containing Fe, Si or B and as similar amorphous soft magnetic material.
The beneficial effects of the invention are as follows：
It is provided by the invention this with stepped construction compared to traditional ferrite and nanocrystalline and amorphous soft magnetic materials
Composite magnetic has the features such as high magnetic saturation intensity, wide-band and highly sensitive frequency response, high magnetic permeability and low magnetic loss,
Therefore the composite magnetic of the present invention is suitable for the use of next-generation wireless charging transmitting terminal and receiving terminal, especially suitable for non-
The resonant A4WP wireless charging schemes of contact.
Above description is only the general introduction of technical solution of the present invention, in order to better understand the technical means of the present invention,
And can be implemented in accordance with the contents of the specification, below with presently preferred embodiments of the present invention and after coordinating attached drawing to be described in detail such as.
The specific implementation mode of the present invention is shown in detail by following embodiment and its attached drawing.
Description of the drawings
Attached drawing described herein is used to provide further understanding of the present invention, and is constituted part of this application, this hair
Bright illustrative embodiments and their description are not constituted improper limitations of the present invention for explaining the present invention.In the accompanying drawings：
Fig. 1 is the structural schematic diagram of composite magnetic of the present invention；
Fig. 2 is comparison figure of the composite magnetic of the present invention with ferrite and nanocrystalline magnetic conductivity to frequency response；
Fig. 3 is comparison of the composite magnetic of the present invention with ferrite and nanocrystalline magnetic loss to frequency response.
Specific implementation mode
It is below with reference to the accompanying drawings and in conjunction with the embodiments, next that the present invention will be described in detail.
It is shown in Figure 1, a kind of composite magnetic of the high-performance high-frequency rate responsiveness with stepped construction, by bottom
Material, sandwich material and quilting material are sequentially overlapped, and it is black or sub- black that wherein primer, which is one layer of quilting material,
Nontransparent double-sided pressure-sensitive 1, the one side glue 2 of one layer of black or sub- black, sandwich material is one by ferrite, nanocrystalline
And in amorphous arbitrary two or three of soft magnetic materials it is alternately laminated at magnetic material laminated construction 3.
In the magnetic material laminated construction, each layer ferritic thickness is 10-40 microns, is received described in each layer
The thickness of meter Jing and the amorphous is 10-30 microns, and thick by one layer 3-5 microns between adjacent two layers soft magnetic materials
Transparent double face glue separate.
Preferably, the magnetic material laminated construction 3 presses ferrite/nanocrystalline/ferrite/nanocrystalline/ferrite, iron oxygen
Any one combination in body/nanocrystalline/ferrite/nanocrystalline, ferrite/nanocrystalline/ferrite or ferrite/nanocrystalline
Form is laminated.
Preferably, the magnetic material laminated construction 3 press ferrite/amorphous/ferrite/amorphous/ferrite, ferrite/
Amorphous/ferrite/amorphous, any one combining form stacking in ferrite/amorphous/ferrite or ferrite/amorphous.
Preferably, the magnetic material laminated construction 3 press nanocrystalline/amorphous/nanocrystalline/amorphous/nanocrystalline, it is nanocrystalline/
Any one combining form stacking in amorphous/nanocrystalline/amorphous, nanocrystalline/amorphous/nanocrystalline or nanocrystalline/amorphous.
Preferably, the magnetic material laminated construction 3 presses ferrite/amorphous/ferrite/nanocrystalline/ferrite or iron oxygen
Any one combining form stacking in body/amorphous/nanocrystalline/ferrite.
Preferably, the ferrite is Ni, Zn or Mn, the ferrite of Zn and as similar soft magnetic ferrites.
Preferably, described nanocrystalline for nanocrystalline containing Fe, Si, B, Cu or Nb and as similar nano-crystal soft-magnetic material
Material.
Preferably, the amorphous is amorphous containing Fe, Si or B and as similar amorphous soft magnetic material.
It is shown in Figure 2, by the composite magnetic of the present invention（Ferrite based composite）Same ferrite
（POR Ferrite）With it is nanocrystalline（POR composite）Carry out performance comparison.
By comparison in Fig. 2：When frequency is less than 1MHZ, composite magnetic of the invention（Ferrite
based composite）Magnetic conductivity do not change with frequency；In the sections frequency 3-8MHZ, composite magnetic of the invention
（Ferrite based composite）Magnetic conductivity higher than traditional ferrite and nanocrystalline（Amorphous）.
It is shown in Figure 3, by the composite magnetic of the present invention（Ferrite based composite）Same ferrite
（POR Ferrite）With it is nanocrystalline（POR composite）Test of the magnetic conductivity to frequency response is carried out respectively.
By comparison in Fig. 3：In all frequency ranges, composite magnetic of the invention（Ferrite based
composite）Magnetic loss is less than traditional ferrite and nanocrystalline（Amorphous）；In 1-10MHZ frequency ranges, composite magnetic of the invention
Material（Ferrite based composite）Substantially less than traditional Ferrite Material.
It is this with stepped construction in conclusion compared to traditional ferrite and nanocrystalline and amorphous soft magnetic material
Composite magnetic has the features such as high magnetic saturation intensity, wide-band and highly sensitive frequency response, high magnetic permeability and low magnetic loss,
Therefore the present invention is suitable for the use of next-generation wireless charging transmitting terminal and receiving terminal, especially suitable for contactless resonant
A4WP wireless charging schemes.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field
For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, any made by repair
Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of composite magnetic of the high-performance high-frequency rate responsiveness with stepped construction, it is characterised in that：By backsheet
Material, quilting material and sandwich material are sequentially overlapped, and the primer is the nontransparent two-sided of one layer of black or sub- black
Pressure sensitive adhesive（1）, the quilting material is the one side glue of one layer of black or sub- black（2）, the sandwich material is one by iron
The magnetic material laminated construction that arbitrary two or three of soft magnetic materials is alternately superimposed as in oxysome, nanocrystalline and amorphous（3）.
2. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The magnetic material laminated construction（3）It is transparent by one layer 3-5 microns thick between middle adjacent two layers soft magnetic materials
Double faced adhesive tape separates.
3. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：Each layer ferritic thickness is 10-40 microns；The thickness of each described nanocrystalline and described amorphous of layer is
10-30 microns.
4. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The magnetic material laminated construction presses ferrite/nanocrystalline/ferrite/nanocrystalline/ferrite, ferrite/nanometer
Any one combining form layer in crystalline substance/ferrite/nanocrystalline, ferrite/nanocrystalline/ferrite or ferrite/nanocrystalline
It is folded.
5. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The magnetic material laminated construction（3）By ferrite/amorphous/ferrite/amorphous/ferrite, ferrite/amorphous/iron
Oxysome/amorphous, any one combining form stacking in ferrite/amorphous/ferrite or ferrite/amorphous.
6. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The magnetic material laminated construction（3）Nanocrystalline by nanocrystalline/amorphous/nanocrystalline/amorphous/nanocrystalline/amorphous/is received
Any one combining form stacking in meter Jing/amorphous, nanocrystalline/amorphous/nanocrystalline or nanocrystalline/amorphous.
7. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The magnetic material laminated construction（3）By ferrite/amorphous/ferrite/nanocrystalline/ferrite or ferrite/non-
Any one combining form stacking in crystalline substance/nanocrystalline/ferrite.
8. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The ferrite is to contain Ni, the ferrite of Zn or contains Mn, the ferrite of Zn.
9. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：It is described nanocrystalline for the nano crystal soft magnetic material containing Fe, Si, B, Cu or Nb.
10. the composite magnetic of the high-performance high-frequency rate responsiveness according to claim 1 with stepped construction, special
Sign is：The amorphous is the amorphous soft magnetic material containing Fe, Si or B.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392981.7A CN108597793B (en) | 2018-04-27 | 2018-04-27 | High-performance high-frequency-responsivity composite magnetic material with laminated structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810392981.7A CN108597793B (en) | 2018-04-27 | 2018-04-27 | High-performance high-frequency-responsivity composite magnetic material with laminated structure |
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| Publication Number | Publication Date |
|---|---|
| CN108597793A true CN108597793A (en) | 2018-09-28 |
| CN108597793B CN108597793B (en) | 2021-09-14 |
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ID=63610117
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| CN201810392981.7A Active CN108597793B (en) | 2018-04-27 | 2018-04-27 | High-performance high-frequency-responsivity composite magnetic material with laminated structure |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109243755A (en) * | 2018-10-12 | 2019-01-18 | 苏州世诺新材料科技有限公司 | A kind of compound antifreeze plate of wide-band and preparation method thereof |
| CN109741913A (en) * | 2018-12-29 | 2019-05-10 | 宁波中科毕普拉斯新材料科技有限公司 | A kind of composite cores and preparation method thereof of controllable magnetic property |
| CN110853861A (en) * | 2019-11-29 | 2020-02-28 | 横店集团东磁股份有限公司 | Magnetic separation sheet for wireless charging receiving end and preparation method thereof |
| CN113963883A (en) * | 2021-10-19 | 2022-01-21 | 安徽先锐软磁科技有限公司 | Composite magnetic core with adjustable magnetic performance and preparation method thereof |
| WO2022134404A1 (en) | 2020-12-22 | 2022-06-30 | 横店集团东磁股份有限公司 | Modified nanocrystalline strip, preparation method therefor, and application thereof |
| CN115296437A (en) * | 2022-10-10 | 2022-11-04 | 荣耀终端有限公司 | Wireless charging device and wireless charging system |
| WO2024119734A1 (en) * | 2022-12-08 | 2024-06-13 | 横店集团东磁股份有限公司 | Magnetic shielding structure and manufacturing method therefor, and wireless charging system |
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