CN107424722B - A kind of inductance laminated type magnetic bead - Google Patents
A kind of inductance laminated type magnetic bead Download PDFInfo
- Publication number
- CN107424722B CN107424722B CN201710460253.0A CN201710460253A CN107424722B CN 107424722 B CN107424722 B CN 107424722B CN 201710460253 A CN201710460253 A CN 201710460253A CN 107424722 B CN107424722 B CN 107424722B
- Authority
- CN
- China
- Prior art keywords
- electrode
- magnetic bead
- diaphragm
- resistance
- resistivity
- 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.)
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- 239000011324 bead Substances 0.000 title claims abstract description 57
- 238000003475 lamination Methods 0.000 claims abstract description 17
- 239000007769 metal material Substances 0.000 claims abstract description 9
- 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
- 239000000463 material Substances 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 2
- 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
- 238000010586 diagram Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000000034 method 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
Abstract
The invention discloses a kind of inductance laminated type magnetic beads, the first lamination magnetic bead being from top to bottom superimposed including three, second lamination magnetic bead and third layer stack magnetic bead, the first lamination magnetic bead includes the first upper diaphragm, first lower diaphragm and first electrode, the second lamination magnetic bead includes the second upper diaphragm, second lower diaphragm and second electrode, the third layer stack magnetic bead includes third upper diaphragm, diaphragm and third electrode under third, the first electrode, second electrode and third 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 the third electrode matel material is c,The configuration of the present invention is simple, design rationally, use γ times that the theory of parallel shunt makes the resistivity of second electrode for first electrode resistivity, and the resistivity of third electrode is second electrode resistivityTimes, the resistance of traditional magnetic bead is reduced, easy to use and operate, practical, using effect is good, convenient for promoting the use of.
Description
Technical field
The invention belongs to measuring device technical fields, and in particular to a kind of inductance laminated type magnetic bead.
Background technique
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, composition is ferrite mostly, is exclusively used in inhibiting signal wire, the high-frequency noise on power supply line and spike interference, has and absorb
The ability of electrostatic pulse.Magnetic bead is mainly used for absorbing ultra-high frequency signal, such as RF circuit, PLL, oscillating circuit, deposits containing hyperfrequency
Memory circuit etc. requires to add magnetic bead in power input portion, and inductance is a kind of energy-accumulating element, be used in LC oscillating circuit, in it is low
The filter circuit etc. of frequency, applying frequency range 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.
Summary of the invention
In view of the above-mentioned deficiencies in the prior art, the technical problem to be solved by the present invention is that it is folded to provide a kind of inductance use
Laminar magnetic bead, simple structure and reasonable design use the theory of parallel shunt to make the resistance of second electrode for first electrode electricity
γ times of resistance, the resistance of third electrode are second electrode resistanceTimes, the rated current of Stacked magnetic bead is improved, is reduced
The resistance of traditional magnetic bead, easy to use and operate, practical, using effect is good, convenient for promoting the use of.
In order to solve the above technical problems, the technical solution adopted by the present invention is that: the magnetic bead being from top to bottom superimposed including three
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, the first lower diaphragm, and the first electricity being arranged between first upper diaphragm and the first lower diaphragm
Pole, the second lamination magnetic bead includes the second upper diaphragm, the second lower diaphragm, and is arranged under second upper diaphragm and second
Second electrode between diaphragm, the third layer stack magnetic bead include diaphragm under third upper diaphragm, third, and setting is described the
Third electrode under three upper diaphragms and third between diaphragm, the first electrode, second electrode and third electrode are connected in parallel, institute
The resistance for stating first electrode metal material is a, and the resistance of the second electrode metal material is b, the value range of b=γ a, γ
It is 1~20, the resistance of the third electrode matel material is c, Value range be 1~20.
Above-mentioned a kind of inductance laminated type magnetic bead, it is characterised in that: the first electrode, second electrode and third electrode
It is foil electrode.
Above-mentioned a kind of inductance laminated type magnetic bead, it is characterised in that: the first electrode, second electrode and third electrode
It is made of molybdenum group alloy material.
Above-mentioned a kind of inductance laminated type magnetic bead, it is characterised in that: described
Compared with the prior art, the present invention has the following advantages:
1, structure of the invention is simple, and design rationally, is realized and easy to use and operate.
2, first electrode, second electrode and the third electrode in the present invention are laid by the way of parallel connection, the first electricity
Resistance after pole, second electrode and third electrode are in parallel isThe rated current of Stacked magnetic bead is improved, is reduced
The resistance of traditional magnetic bead, when work, so that most current direction first electrode, plays the role of shunting.
In conclusion the configuration of the present invention is simple, design are rationally, the resistance of second electrode is made using the theory of parallel shunt
It is γ times of first electrode resistance, the resistance of third electrode is second electrode resistanceTimes, improve the volume of Stacked magnetic bead
Constant current reduces the resistance of traditional magnetic bead, easy to use and operate, and practical, using effect is good, convenient for promoting the use of.
Below by drawings and examples, technical scheme of the present invention will be described in further detail.
Detailed description of the invention
Fig. 1 is the structural diagram of the present invention.
Description of symbols:
The first upper diaphragm of 1-1-；1-2-first electrode；The lower diaphragm of 1-3-first；
The second upper diaphragm of 2-1-；2-2-second electrode；The lower diaphragm of 2-3-second；
3-1-third upper diaphragm；3-2-third electrode；Diaphragm under 3-3-third.
Specific 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 include under the first upper diaphragm 1-1, first
Diaphragm 1-3, and the first electrode 1-2 being arranged between the lower diaphragm 1-3 of the first upper diaphragm 1-1 and first, described second
Lamination magnetic bead includes the second upper diaphragm 2-1, the second lower diaphragm 2-3, and is arranged in 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 diaphragm 3-3, Yi Jishe under third upper diaphragm 3-1, third
It sets in third electrode 3-2, the first electrode 1-2, the second electricity under the third upper diaphragm 3-1 and third between diaphragm 3-3
Pole 2-2 and third electrode 3-2 are connected in parallel, and the resistance of the first electrode 1-2 metal material is a, the second electrode 2-2 gold
The resistance for belonging to material is b, and the value range of b=γ a, γ are 1~20, and the resistance of the third electrode 3-2 metal material is c, Value range be 1~20.
In the present embodiment, the first electrode 1-2, second electrode 2-2 and third electrode 3-2 are foil electrode.
In the present embodiment, the first electrode 1-2, second electrode 2-2 and third electrode 3-2 are by molybdenum group alloy material system
At.
It is described in the present embodiment
When it is implemented, the resistance after first electrode, second electrode and third electrode parallel connection isTherefore the rated current for improving Stacked magnetic bead, reduces the electricity of traditional magnetic bead
Resistance.IfResistance after first electrode, second electrode and third electrode are in parallel isFurther increase lamination
The rated current of chip magnetic bead reduces the resistance of traditional magnetic bead.
When magnetic bead is applied to general temperature environment, first electrode 1-2, second electrode 2-2 and third electrode 3-2 are aluminium
Foil electrode.
When magnetic bead is applied to hot environment, first electrode 1-2, second electrode 2-2 and third electrode 3-2 are closed by molybdenum base
Golden material is made.
The above is only the embodiment of the present invention, is not intended to limit the invention in any way, all technologies according to the present invention
Essence any simple modification to the above embodiments, change and equivalent structural changes, still fall within the technology of the present invention side
In the protection scope of case.
Claims (3)
1. a kind of inductance laminated type magnetic bead, it is characterised in that: the magnetic bead unit being from top to bottom superimposed including three, 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 includes on first
Diaphragm (1-1), first lower diaphragm (1-3), and setting is under first upper diaphragm (1-1) and first between diaphragm (1-3)
First electrode (1-2), the second lamination magnetic bead includes the second upper diaphragm (2-1), second lower diaphragm (2-3), and setting
In the second electrode (2-2) under second upper diaphragm (2-1) and second between diaphragm (2-3), the third layer stack magnetic bead packet
Diaphragm (3-3) under third upper diaphragm (3-1), third is included, and diaphragm is set under the third upper diaphragm (3-1) and third
Third electrode (3-2) between (3-3), the first electrode (1-2), second electrode (2-2) and third electrode (3-2) are in parallel even
It connects, the resistance of first electrode (1-2) metal material is a, and the resistance of second electrode (2-2) metal material is b, b=
The value of γ a, γ are 20, and the resistance of third electrode (3-2) metal material is c, Value be 20；First
Resistance after electrode, second electrode and third electrode are in parallel isWherein,
2. a kind of inductance laminated type magnetic bead described in accordance with the claim 1, it is characterised in that: the first electrode (1-2),
Two electrodes (2-2) and third electrode (3-2) are foil electrode.
3. a kind of inductance laminated type magnetic bead described in accordance with the claim 1, it is characterised in that: the first electrode (1-2),
Two electrodes (2-2) and third electrode (3-2) are made of molybdenum group alloy material.
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 CN107424722A (en) | 2017-12-01 |
| CN107424722B true 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 (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
Family Cites Families (1)
| 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 |
-
2017
- 2017-06-17 CN CN201710460253.0A patent/CN107424722B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
|---|---|
| CN107424722A (en) | 2017-12-01 |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| 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 |