CN107424722A - A kind of inductance laminated type magnetic bead - Google Patents
A kind of inductance laminated type magnetic bead Download PDFInfo
- Publication number
- CN107424722A CN107424722A CN201710460253.0A CN201710460253A CN107424722A CN 107424722 A CN107424722 A CN 107424722A CN 201710460253 A CN201710460253 A CN 201710460253A CN 107424722 A CN107424722 A CN 107424722A
- Authority
- CN
- China
- Prior art keywords
- electrode
- magnetic bead
- resistivity
- diaphragm
- lamination
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011324 bead Substances 0.000 title claims abstract description 58
- 238000003475 lamination Methods 0.000 claims abstract description 18
- 239000007769 metal material Substances 0.000 claims abstract description 10
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical group [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 239000011888 foil Substances 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 3
- 230000000694 effects Effects 0.000 abstract description 3
- 239000000463 material Substances 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 239000005030 aluminium foil Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
- 229910000859 α-Fe Inorganic materials 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F17/00—Fixed inductances of the signal type
- H01F17/0006—Printed inductances
- H01F17/0013—Printed inductances with stacked layers
-
- 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
- H01F27/28—Coils; Windings; Conductive connections
- H01F27/29—Terminals; Tapping arrangements for signal inductances
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a kind of inductance laminated type magnetic bead, including three the first lamination magnetic beads being from top to bottom superimposed, second lamination magnetic bead and third layer stack magnetic bead, the first lamination magnetic bead includes the first upper diaphragm, first time diaphragm and first electrode, the second lamination magnetic bead includes the second upper diaphragm, second time diaphragm and second electrode, the third layer stack magnetic bead includes the 3rd upper diaphragm, three times diaphragms and the 3rd electrode, the first electrode, second electrode and the 3rd electrode are connected in parallel, the resistivity of the first electrode metal material is a, the resistivity of the second electrode metal material is b, b=γ a, the resistivity of 3rd electrode matel material is c,The present invention is simple in construction, reasonable in design, uses the theory of parallel shunt make it that the resistivity of the 3rd electrode is second electrode resistivity to the resistivity of second electrode for γ times of first electrode resistivityTimes, the resistance of traditional magnetic bead is reduced, use is easy to operate, practical, and using effect is good, is easy to promote the use of.
Description
Technical field
The invention belongs to measurement apparatus technical field, and in particular to a kind of inductance laminated type magnetic bead.
Background technology
Magnetic bead is a kind of passive device, otherwise referred to as magnet ring, electromagnetic interface filter, iron core etc., is a kind of special chokes
Circle, its composition is mostly ferrite, is exclusively used in suppressing signal wire, the high-frequency noise on power line and spike interference, has and absorb
The ability of electrostatic pulse.Magnetic bead is mainly used in absorbing ultra-high frequency signal, such as RF circuits, PLL, oscillating circuit, deposits containing hyperfrequency
Memory circuit etc. is required for adding magnetic bead in power input portion, and inductance is a kind of energy-accumulating element, used in LC oscillating circuits, in it is low
Filter circuit of frequency etc., its applying frequency scope rarely exceed 50MHZ.Magnetic bead has very high resistivity and magnetic conductivity, is equivalent to
Resistance and inductance series connection, but resistance value and inductance value all change with frequency.
The content of the invention
Folded in view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that providing a kind of inductance and using
Laminar magnetic bead, its is simple in construction, reasonable in design, uses the theory of parallel shunt to cause the resistivity of second electrode for first electrode
γ times of resistivity, the resistivity of the 3rd electrode is second electrode resistivityAgain, the specified electricity of Stacked magnetic bead is improved
Stream, reduces the resistance of traditional magnetic bead, use is easy to operate, practical, and using effect is good, is easy to promote the use of.
In order to solve the above technical problems, the technical solution adopted by the present invention is：Including three magnetic beads being from top to bottom superimposed
Unit, the magnetic bead unit are respectively the first lamination magnetic bead, the second lamination magnetic bead and third layer stack magnetic bead, the first lamination magnetic
Pearl includes the first upper diaphragm, first time diaphragm, and the first electricity being arranged between first upper diaphragm and first time diaphragm
Pole, the second lamination magnetic bead includes the second upper diaphragm, second time diaphragm, and is arranged under second upper diaphragm and second
Second electrode between diaphragm, the third layer stack magnetic bead include the 3rd upper diaphragm, the three times diaphragms, and are arranged on described the
The 3rd electrode between three upper diaphragms and the three times diaphragms, the first electrode, second electrode and the 3rd electrode are connected in parallel, institute
The resistivity for stating first electrode metal material is a, and the resistivity of the second electrode metal material is b, b=γ a, γ value
Scope is 1~20, and the resistivity of the 3rd electrode matel material is c, Span be 1~20.
A kind of above-mentioned inductance laminated type magnetic bead, it is characterised in that：The first electrode, second electrode and the 3rd electrode
It is foil electrode.
A kind of above-mentioned inductance laminated type magnetic bead, it is characterised in that：The first electrode, second electrode and the 3rd electrode
It is made by molybdenum group alloy material.
A kind of above-mentioned inductance laminated type magnetic bead, it is characterised in that：It is described
The present invention has advantages below compared with prior art：
1st, structure of the invention is simple, reasonable in design, realizes and using easy to operate.
2nd, first electrode, second electrode and the 3rd electrode in the present invention are laid by the way of parallel connection, the first electricity
Resistance after pole, second electrode and the 3rd electrode parallel connection isThe rated current of Stacked magnetic bead is improved, is reduced
The resistance of traditional magnetic bead, during work so that the most electrode of current direction the 3rd, play a part of shunting.
In summary, the present invention is simple in construction, reasonable in design, and the resistance of second electrode is caused using the theory of parallel shunt
Rate is γ times of first electrode resistivity, and the resistivity of the 3rd electrode is second electrode resistivityTimes, improve lamination sheet type
The rated current of magnetic bead, the resistance of traditional magnetic bead is reduced, use is easy to operate, practical, and using effect is good, is easy to promote
Use.
Below by drawings and examples, technical scheme is described in further detail.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention.
Description of reference numerals:
The upper diaphragms of 1-1-first；1-2-first electrode；The lower diaphragm of 1-3-the first；
The upper diaphragms of 2-1-second；2-2-second electrode；The lower diaphragm of 2-3-the second；
The upper diaphragms of 3-1-the 3rd；The electrodes of 3-2-the 3rd；The diaphragms of 3-3-the three times.
Embodiment
As shown in figure 1, the present invention includes three magnetic bead units being from top to bottom superimposed, the magnetic bead unit is respectively first
Lamination magnetic bead, the second lamination magnetic bead and third layer stack magnetic bead, the first lamination magnetic bead are included under the first upper diaphragm 1-1, first
Diaphragm 1-3, and the first electrode 1-2 being arranged between the first upper diaphragm 1-1 and first time diaphragm 1-3, described second
Lamination magnetic bead includes the second upper diaphragm 2-1, second time diaphragm 2-3, and is arranged on the second upper diaphragm 2-1 and the second lower film
Second electrode 2-2 between piece 2-3, the third layer stack magnetic bead include the 3rd upper diaphragm 3-1, the three times diaphragm 3-3, Yi Jishe
Put the 3rd electrode 3-2 between the 3rd upper diaphragm 3-1 and the three times diaphragm 3-3, the first electrode 1-2, the second electricity
Pole 2-2 and the 3rd electrode 3-2 are connected in parallel, and the resistivity of the first electrode 1-2 metal materials is a, the second electrode 2-2
The resistivity of metal material is b, and b=γ a, γ span are 1~20, the resistance of the 3rd electrode 3-2 metal materials
Rate is c, Span be 1~20.
In the present embodiment, the first electrode 1-2, second electrode 2-2 and the 3rd electrode 3-2 are foil electrode.
In the present embodiment, the first electrode 1-2, second electrode 2-2 and the 3rd electrode 3-2 are by molybdenum group alloy material system
Into.
It is described in the present embodiment
When it is implemented, the resistance after first electrode, second electrode and the 3rd electrode parallel connection isTherefore the rated current of Stacked magnetic bead is improved, reduces the electricity of traditional magnetic bead
Resistance.IfResistance after first electrode, second electrode and the 3rd electrode parallel connection isFurther improve lamination
The rated current of chip magnetic bead, reduce the resistance of traditional magnetic bead.
When magnetic bead is applied to general temperature environment, first electrode 1-2, second electrode 2-2 and the 3rd electrode 3-2 are aluminium
Foil electrode.
When magnetic bead is applied to hot environment, first electrode 1-2, second electrode 2-2 and the 3rd electrode 3-2 close by molybdenum base
Golden material is made.
It is described above, only it is embodiments of the invention, not the present invention is imposed any restrictions, it is every according to the technology of the present invention
Any simple modification, change and the equivalent structure change that essence is made to above example, still fall within the technology of the present invention side
In the protection domain of case.
Claims (4)
- A kind of 1. inductance laminated type magnetic bead, it is characterised in that：Including three magnetic bead being from top to bottom superimposed units, the magnetic bead Unit is respectively the first lamination magnetic bead, the second lamination magnetic bead and third layer stack magnetic bead, and the first lamination magnetic bead is included on first Diaphragm (1-1), first time diaphragm (1-3), and be arranged between first upper diaphragm (1-1) and first time diaphragm (1-3) First electrode (1-2), the second lamination magnetic bead include the second upper diaphragm (2-1), second time diaphragm (2-3), and setting Second electrode (2-2) between second upper diaphragm (2-1) and second time diaphragm (2-3), the third layer stack magnetic bead bag The 3rd upper diaphragm (3-1), the three times diaphragms (3-3) are included, and are arranged on the 3rd upper diaphragm (3-1) and the three times diaphragms The 3rd electrode (3-2) between (3-3), the first electrode (1-2), second electrode (2-2) and the 3rd electrode (3-2) are in parallel even Connecing, the resistivity of first electrode (1-2) metal material is a, and the resistivity of second electrode (2-2) metal material is b, B=γ a, γ span are 1~20, and the resistivity of the 3rd electrode (3-2) metal material is c, Take It is 1~20 to be worth scope.
- 2. according to a kind of inductance laminated type magnetic bead described in claim 1, it is characterised in that：The first electrode (1-2), Two electrodes (2-2) and the 3rd electrode (3-2) are foil electrode.
- 3. according to a kind of inductance laminated type magnetic bead described in claim 1, it is characterised in that：The first electrode (1-2), Two electrodes (2-2) and the 3rd electrode (3-2) are made by molybdenum group alloy material.
- 4. according to a kind of inductance laminated type magnetic bead described in claim 1, it is characterised in that：It is described
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710460253.0A CN107424722B (en) | 2017-06-17 | 2017-06-17 | A kind of inductance laminated type magnetic bead |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710460253.0A CN107424722B (en) | 2017-06-17 | 2017-06-17 | A kind of inductance laminated type magnetic bead |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107424722A true CN107424722A (en) | 2017-12-01 |
| CN107424722B CN107424722B (en) | 2019-07-26 |
Family
ID=60429622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710460253.0A Active CN107424722B (en) | 2017-06-17 | 2017-06-17 | A kind of inductance laminated type magnetic bead |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107424722B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189678A (en) * | 1997-01-28 | 1998-08-05 | 美磊科技股份有限公司 | High current durable magnetic ball and its mfg. method |
| CN1992426A (en) * | 2005-12-27 | 2007-07-04 | 三洋电机株式会社 | Electric circuit device |
| CN201138593Y (en) * | 2008-01-04 | 2008-10-22 | 深圳振华富电子有限公司 | Stacked magnetic bead |
| CN104051126A (en) * | 2014-06-09 | 2014-09-17 | 深圳振华富电子有限公司 | Laminate type magnetic ball |
-
2017
- 2017-06-17 CN CN201710460253.0A patent/CN107424722B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1189678A (en) * | 1997-01-28 | 1998-08-05 | 美磊科技股份有限公司 | High current durable magnetic ball and its mfg. method |
| CN1992426A (en) * | 2005-12-27 | 2007-07-04 | 三洋电机株式会社 | Electric circuit device |
| CN201138593Y (en) * | 2008-01-04 | 2008-10-22 | 深圳振华富电子有限公司 | Stacked magnetic bead |
| CN104051126A (en) * | 2014-06-09 | 2014-09-17 | 深圳振华富电子有限公司 | Laminate type magnetic ball |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107424722B (en) | 2019-07-26 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| TA01 | Transfer of patent application right |
Effective date of registration: 20190701 Address after: 724200 Unity New Village, Zhoujiashan Town, Mianxian County, Hanzhong City, Shaanxi Province Applicant after: Hanzhong Dacheng Electronic Technology Co., Ltd. Address before: 726200 Laojun Village, Shangzhen, Danfeng County, Shangluo City, Shaanxi Province (opposite the highway intersection) Applicant before: Danfeng County Xin Wei Electronics Co. Ltd. |
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| GR01 | Patent grant |