CN101587769A - Magnetic element - Google Patents
Magnetic element Download PDFInfo
- Publication number
- CN101587769A CN101587769A CNA2008101079246A CN200810107924A CN101587769A CN 101587769 A CN101587769 A CN 101587769A CN A2008101079246 A CNA2008101079246 A CN A2008101079246A CN 200810107924 A CN200810107924 A CN 200810107924A CN 101587769 A CN101587769 A CN 101587769A
- Authority
- CN
- China
- Prior art keywords
- circuit board
- magnetic element
- conductive layer
- line segments
- conduction line
- 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.)
- Pending
Links
Images
Landscapes
- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a magnetic element which comprises a first circuit board, a second circuit board, a magnetic induction element and a plurality of conducting line segments. The first circuit board is provided with at least one first conducting layer; the second circuit board is provided with at least one second conducting layer; the magnetic induction element is arranged between the first circuit board and the second circuit board; the conducting line segments are arranged around the magnetic induction element; and the end parts of the conducting line segments are electrically connected with the first conducting layer and the second conducting layer to form a coil circuit.
Description
Technical field
The present invention relates to a kind of magnetic element, particularly relate to a kind of composite type magnetic element, for example combined inductor.
Background technology
Please refer to shown in Figure 1ly, it comprises insulation shell 11, iron core 12 and two enamelled wires 13 for a kind of existing inductor 1.Wherein iron core 12 is an annular core, and is covered by insulation shell 11.These enamelled wires 13 are wound on the iron core 12 by manual mode or coil winding machine winding mode.
Yet, existing winding mode is to try to achieve bigger inductance value in the middle of the coiling process, often need overlapping with coiling, therefore the insulating barrier of scratch enamelled wire easily in winding process, and owing to twine the difference of gimmick and direction, cause the coiling distributional difference can produce the situation of density inequality, easily make the stray capacitance on the inductor be difficult to control, and the difference that causes noise between the coil of same size to suppress ability increases.In addition, need during coiling in one section line length of the many reservations of coiling front end, so that strain enamelled wire during with the coiling of hand or coil winding machine, so must have unnecessary enamelled wire waste material after finishing coiling produces, not only cause the wasting of resources, material cost to increase, and also increase man-hour and improve production cost with the winding mode operation.
Summary of the invention
The object of the present invention is to provide a kind of magnetic element, to have coiling now replaces by a plurality of conduction line segments, make these conduction line segments and circuit boards electrically connect and form wire loop, to accelerate speed, the waste material of avoiding the winding the line generation that wire winding ring establishes and to reduce production costs.
Another object of the present invention is to provide a kind of magnetic element, can control coiling distribution, direction of winding and the coiling density of inductor,, and then lower the influence of noise inductor with elimination coiling differentia influence product performance.
A further object of the present invention is to provide a kind of magnetic element, can electrically connect a plurality of conduction line segments by the automation mode and form wire loop in circuit board, replaces existing winding operation.
For reaching above-mentioned purpose, a kind of magnetic element of the present invention comprises a first circuit board, a second circuit board, a Magnetosensing element and a plurality of conduction line segment.First circuit board has at least one first conductive layer, second circuit board has at least one second conductive layer, Magnetosensing element is arranged between first circuit board and second circuit board, the conduction line segment is located on Magnetosensing element, and the end of these conduction line segments and first conductive layer and the second conductive layer electrically connect are to form wire loop.
From the above, a kind of magnetic element of the present invention replaces existing coiling by a plurality of conduction line segments, make these conduction line segments be located on Magnetosensing element after, the end of these conduction line segments respectively with the conductive layer electrically connect of circuit board to form wire loop.Compared with prior art, the present invention can realize winding the line the design of automation accelerating the speed of coiling winding, and uses predetermined conductor wire segment length to produce with the waste material of avoiding winding the line and reduce production costs.In addition, the present invention can control coiling distribution, direction of winding and coiling density, with elimination coiling differentia influence product performance, and then lowers the influence of noise to inductor.
Description of drawings
Fig. 1 is a kind of schematic diagram of existing inductor;
Fig. 2 A is the schematic diagram according to a kind of combined inductor of first embodiment of the invention;
Fig. 2 B is the exploded view of the combined inductor shown in Fig. 2 A;
Fig. 2 C is the end face schematic diagram of the combined inductor shown in Fig. 2 A;
Fig. 2 D is the schematic bottom view of the combined inductor shown in Fig. 2 A;
Fig. 2 E is the vertical view of the combined inductor shown in Fig. 2 A;
Fig. 3 is the exploded view according to a kind of combined inductor of second embodiment of the invention;
Fig. 4 is the schematic diagram according to a kind of combined inductor of third embodiment of the invention; And
Fig. 5 is the schematic diagram according to a kind of combined inductor of fourth embodiment of the invention.
The main element symbol description
1: inductor
11: insulation shell
12,24: Magnetosensing element
13: enamelled wire
2,3,4,5: combined inductor
21,51: first circuit board
211,511: the first conductive layers
22,52: second circuit board
221,521: the second conductive layers
23,53: the conduction line segment
231: the end
25: via
31: insulation system
41: insulation tank
Embodiment
Hereinafter with reference to correlative type, a kind of magnetic element according to preferred embodiment of the present invention is described, wherein components identical will be illustrated with identical reference marks.
Magnetic element of the present invention comprises a first circuit board, a second circuit board, a Magnetosensing element and a plurality of conduction line segment.This magnetic element can for example be inductor, filter or transformer, and following embodiment is example with the combined inductor, but not as limit.
First embodiment
Please refer to shown in Fig. 2 A to Fig. 2 E, a kind of combined inductor 2 of first embodiment of the invention comprises a first circuit board 21, a second circuit board 22, a Magnetosensing element 24 and a plurality of conduction line segment 23.First circuit board 21 and second circuit board 22 can be printed circuit board (PCB), and have at least one first conductive layer 211 and at least one second conductive layer 221 (shown in Fig. 2 D or Fig. 2 E).Wherein the material of first conductive layer 211 and second conductive layer 221 comprises gold, silver, copper, tin or its alloy, and it also can be plain conductor, first conductive layer 211 of present embodiment and second conductive layer 221 are the example explanation with the Copper Foil metal level, and be right non-in order to restriction the present invention.
Materials of these conduction line segments 23 comprise gold, silver, copper, tin or its alloy, the flat wire that the conduction line segment 23 of present embodiment also can be for example stamps out for the enamel-cover line segment or for copperplate, and be located on Magnetosensing element 24.Be noted that the cross sectional shape of these conduction line segments 24 for example can be circle, ellipse or rectangle.
Please refer to shown in Fig. 2 B to Fig. 2 E, the assembling of combined inductor 2 is as described below: circular Magnetosensing element 24 is arranged between the first circuit board 21 and second circuit board 22 of (the conductive via) 25 that have a plurality of vias respectively; These conduction line segments 23 for example are located at Magnetosensing element 24 peripheries via the board Arranged rings, but do not contact this Magnetosensing element, and respectively conduct electricity the end 231 of line segment 23 and inserts the via 25 of correspondence respectively; By conduction line segment 23 with first conductive layer 211 and second conductive layer, 221 electrically connects with formation wire loop (shown in Fig. 2 C, Fig. 2 D and Fig. 2 E), finish the assembling of combined inductor 2.So, the speed of coiling winding is accelerated in the design of the automation that promptly can realize winding the line, and uses the conduction line segment 23 of predetermined length, and the waste material of avoiding winding the line produces and reduces production costs.In addition, because coiling distribution, direction of winding and coiling density can be controlled according to actual demand,, make the inductor that produces via the present invention have identical or approaching characteristic so can eliminate coiling differentia influence product performance.
Second embodiment
Please refer to shown in Figure 3ly, a kind of combined inductor 3 of second embodiment of the invention comprises a first circuit board 21, a second circuit board 22, a Magnetosensing element 24, an insulation system 31 and a plurality of conduction line segment 23.
Combined inductor 3 is that with combined inductor 2 differences of the foregoing description Magnetosensing element 24 outer rims are provided with an insulation system 31, the insulation system 31 that external form and Magnetosensing element 24 are equal in fact partly or entirely covers Magnetosensing elements 24 in order to isolated Magnetosensing element 24 and these conduction line segments 23, insulation system 31 is such as but not limited to insulation shell, and insulation system 31 partly or entirely covers Magnetosensing element 24.In addition, also the surface of Magnetosensing element 24 can be formed the insulating barrier of insulation material, to constitute insulation system 31.
The 3rd embodiment
Please refer to shown in Figure 4ly, a kind of combined inductor 4 of third embodiment of the invention comprises a first circuit board 21, a second circuit board 22, a Magnetosensing element, an insulation system 31, a plurality of insulation tank 41 and a plurality of conduction line segment 23.
Combined inductor 4 is that with combinations thereof formula inductor 3 differences the outer peripheral edges of insulation system 31 have a plurality of insulation tanks 41, and these conduction line segments 23 are arranged at respectively in these insulation tanks 41.Be noted that, because of these conduction line segments 23 are the structure of coordinated insulation groove 41, the cross section of these conduction line segments 23 can be rectangle, is preferably flat square to be placed in the insulation tank 41, make and respectively conduct electricity line segment 23 fixed positions, with the insulating properties of guaranteeing to conduct electricity between the line segment 23.
The 4th embodiment
Please refer to shown in Figure 5ly, a kind of combined inductor 5 of fourth embodiment of the invention comprises a first circuit board 51, a second circuit board 52, a Magnetosensing element 54 and a plurality of conduction line segment 53.
Combined inductor 2 differences of combined inductor 5 and the foregoing description are that these conduction line segments 53 are arranged at the first circuit board 51 with multilayer first conductive layer 511 and have between the second circuit board 52 of multilayer second conductive layer 521, wherein conducting electricity an end of line segment 53 can be arranged at respectively on the first different conductive layers 511 or different second conductive layer 521 (figure shows), and these conduction line segments 53 and these first conductive layers 511 and these second conductive layer, 521 electrically connects are to form wire loop, so design can be via increasing the anti-electric current that the conductive layer area improves combined inductor 5.
In addition, the design of this multilayer conductive layer, corresponding layer is not connected respectively and conducts electricity line segment 53 and set up wire loop in first conductive layer 511 that can make different layers and second conductive layer 521, make adjacent conductive line segment 53 connect other first conductive layer 511 of different layers and second conductive layer 521 respectively, thus, can increase the distribution density of coiling, to improve the inductance value of combined inductor 5.
The person of noting, the combined inductor of the various embodiments described above all can change the conductive layer quantity of profile and circuit board mutually according to the design of circuit board, Magnetosensing element and conduction line segment, as circular, oval ring-type or rectangular ring, to meet the demand of combined inductor reality.
In sum, a kind of magnetic element of the present invention (for example combined inductor), replace existing coiling by a plurality of conduction line segments, make these conduction line segments be located on Magnetosensing element after, the end of these conduction line segments respectively with the conductive layer electrically connect of circuit board to form wire loop.Compare with prior art, the present invention can realize winding the line the design of automation accelerating the speed of coiling winding, and uses predetermined conductor wire segment length to produce with the waste material of avoiding winding the line and reduce production costs.In addition, the present invention can control coiling distribution, direction of winding and coiling density, with elimination coiling differentia influence product performance, and then lowers the influence of noise to inductor.
The above only is an illustrative, but not is restricted person.Anyly do not break away from spirit of the present invention and category, and, all should be contained in the appended claim its equivalent modifications of carrying out or change.
Claims (15)
1, a kind of magnetic element comprises:
First circuit board has at least one first conductive layer;
Second circuit board has at least one second conductive layer;
Magnetosensing element is arranged between this first circuit board and this second circuit board; And
A plurality of conduction line segments are located on this Magnetosensing element, the end of these a plurality of conduction line segments respectively with this first conductive layer and this second conductive layer electrically connect to form wire loop.
2, magnetic element as claimed in claim 1 wherein more comprises an insulation system, in order to isolated this Magnetosensing element and these a plurality of conduction line segments.
3, magnetic element as claimed in claim 2, wherein this insulation system is an insulation shell or an insulating barrier, cover part or whole this Magnetosensing elements.
4, magnetic element as claimed in claim 2, wherein the outer peripheral edges of this insulation system have a plurality of insulation tanks, and these a plurality of conduction line segments are arranged at this a plurality of insulation tanks respectively.
5, magnetic element as claimed in claim 1, wherein this Magnetosensing element is circular, oval ring-type or rectangular ring, and its material comprises iron, cobalt, nickel or its alloy.
6, magnetic element as claimed in claim 5, wherein this first circuit board and this second circuit board are a printed circuit board (PCB), and cooperate the profile of this Magnetosensing element and be circular, oval ring-type or rectangular ring.
7, magnetic element as claimed in claim 1, wherein rounded, oval, the rectangle of the cross sectional shape of these a plurality of conduction line segments or flat side's shape, its material comprises gold, silver, copper, tin or its alloy.
8, magnetic element as claimed in claim 1, wherein these a plurality of conduction line segments are the flat wire that enamel-cover line segment or copperplate stamp out.
9, magnetic element as claimed in claim 1, wherein this first circuit board and this second circuit board have a plurality of vias (conductive via) respectively, this end of these a plurality of conduction line segments is inserted these corresponding a plurality of vias respectively, to form wire loop.
10, magnetic element as claimed in claim 1, wherein this first circuit board and this second circuit board are multilayer circuit board, it has this first conductive layer of multilayer and this second conductive layer respectively.
11, magnetic element as claimed in claim 10, wherein one of these a plurality of conduction line segments this end and another this end can be arranged at respectively on a plurality of first conductive layers of different layers other this and these a plurality of second conductive layers.
12, magnetic element as claimed in claim 10, wherein between these a plurality of first conductive layers by at least one via conducting, and between these a plurality of second conductive layers also by at least one via conducting.
13, magnetic element as claimed in claim 1, wherein this first conductive layer and this second conductive layer are a metal level or a plain conductor, its material comprises gold, silver, copper, tin or its alloy.
14, magnetic element as claimed in claim 1, wherein this Magnetosensing element is an iron core.
15, magnetic element as claimed in claim 1, wherein this magnetic element is inductor, filter or transformer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101079246A CN101587769A (en) | 2008-05-21 | 2008-05-21 | Magnetic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008101079246A CN101587769A (en) | 2008-05-21 | 2008-05-21 | Magnetic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101587769A true CN101587769A (en) | 2009-11-25 |
Family
ID=41371957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101079246A Pending CN101587769A (en) | 2008-05-21 | 2008-05-21 | Magnetic element |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101587769A (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102479600A (en) * | 2010-11-25 | 2012-05-30 | 弘业科技有限公司 | Structure of inductor element |
| CN106683825A (en) * | 2016-11-20 | 2017-05-17 | 江苏阜宁金宁三环富士电气有限公司 | Engineer standard inductance test piece |
| WO2018223715A1 (en) * | 2017-06-09 | 2018-12-13 | 华为技术有限公司 | Inductor and power-switching circuit |
| CN114080652A (en) * | 2019-07-09 | 2022-02-22 | 株式会社村田制作所 | Surface-mounted magnetic component module |
| CN114097049A (en) * | 2019-07-09 | 2022-02-25 | 株式会社村田制作所 | Surface-mounted magnetic component module |
-
2008
- 2008-05-21 CN CNA2008101079246A patent/CN101587769A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102479600A (en) * | 2010-11-25 | 2012-05-30 | 弘业科技有限公司 | Structure of inductor element |
| CN106683825A (en) * | 2016-11-20 | 2017-05-17 | 江苏阜宁金宁三环富士电气有限公司 | Engineer standard inductance test piece |
| CN106683825B (en) * | 2016-11-20 | 2018-10-02 | 江苏阜宁金宁三环富士电气有限公司 | A kind of work mark inductance test specimen |
| WO2018223715A1 (en) * | 2017-06-09 | 2018-12-13 | 华为技术有限公司 | Inductor and power-switching circuit |
| EP3627524A4 (en) * | 2017-06-09 | 2020-03-25 | Huawei Technologies Co., Ltd. | Inductor and power-switching circuit |
| CN114080652A (en) * | 2019-07-09 | 2022-02-22 | 株式会社村田制作所 | Surface-mounted magnetic component module |
| CN114097049A (en) * | 2019-07-09 | 2022-02-25 | 株式会社村田制作所 | Surface-mounted magnetic component module |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US7889047B2 (en) | Magnetic device | |
| US7671716B2 (en) | Inductive module | |
| CN104078197B (en) | Pulse transformer | |
| CN203799778U (en) | Pulse transformer | |
| JP6548198B2 (en) | Chip electronic components | |
| JP6214890B2 (en) | Power inductor and manufacturing method thereof | |
| JP7376210B2 (en) | inductor | |
| KR20170118430A (en) | Coil electronic component and manufacturing method thereof | |
| CN103377811A (en) | Electromagnetic component and coil structure thereof | |
| CN101587769A (en) | Magnetic element | |
| CN104766708A (en) | Ceramic electronic component | |
| CN102360725A (en) | Magnetic differential mode and common mode integrated inductor | |
| CN101772264B (en) | Induction type printed circuit board and processing technique thereof | |
| CN101471173B (en) | Combined inductor | |
| CN100431063C (en) | Magnetic device | |
| CN103093924A (en) | Inductance element and method for manufacturing same | |
| JP2020053522A (en) | Power transmission unit | |
| TW201616529A (en) | Planar coil and preparation method thereof, and planar transformer using the planar coil | |
| CN201754363U (en) | Iron core winding | |
| CN201562542U (en) | Stacked coil | |
| CN211578566U (en) | Filter and electromagnetic element | |
| CN109326423B (en) | Coil, wireless power transmitter and receiver, near field communicator, and electronic device | |
| KR102061510B1 (en) | Inductor | |
| CN105575644A (en) | Fabrication method for inductor free of welding point | |
| CN217588663U (en) | Common mode filter for reducing parasitic capacitance interference |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Open date: 20091125 |