CN101471173A - Combined inductor - Google Patents
Combined inductor Download PDFInfo
- Publication number
- CN101471173A CN101471173A CNA2007103054200A CN200710305420A CN101471173A CN 101471173 A CN101471173 A CN 101471173A CN A2007103054200 A CNA2007103054200 A CN A2007103054200A CN 200710305420 A CN200710305420 A CN 200710305420A CN 101471173 A CN101471173 A CN 101471173A
- Authority
- CN
- China
- Prior art keywords
- combined inductor
- circuit board
- conduction line
- line segments
- inductor
- 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
- 238000009413 insulation Methods 0.000 claims description 43
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 4
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 claims description 4
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052737 gold Inorganic materials 0.000 claims description 4
- 239000010931 gold Substances 0.000 claims description 4
- 229910052709 silver Inorganic materials 0.000 claims description 4
- 239000004332 silver Substances 0.000 claims description 4
- 229910052718 tin Inorganic materials 0.000 claims description 4
- 239000011135 tin Substances 0.000 claims description 4
- 230000004888 barrier function Effects 0.000 claims description 3
- 229910017052 cobalt Inorganic materials 0.000 claims description 2
- 239000010941 cobalt Substances 0.000 claims description 2
- GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 claims description 2
- 229910052742 iron Inorganic materials 0.000 claims description 2
- 229910052759 nickel Inorganic materials 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000006698 induction Effects 0.000 abstract 3
- 238000004804 winding Methods 0.000 description 24
- 238000010586 diagram Methods 0.000 description 7
- 238000004519 manufacturing process Methods 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 230000005611 electricity Effects 0.000 description 4
- 230000008030 elimination Effects 0.000 description 3
- 238000003379 elimination reaction Methods 0.000 description 3
- 230000035807 sensation Effects 0.000 description 3
- 239000004020 conductor Substances 0.000 description 2
- 239000011889 copper foil Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 239000012774 insulation material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Coils Or Transformers For Communication (AREA)
Abstract
The invention discloses a combined inductor which comprises a circuit board, a magnetic induction element, an insulating structure and a plurality of conducting wire sections. The circuit board is provided with at least one conducting layer, the magnetic induction element is arranged on the circuit board, and the insulating structure covers the magnetic induction element. The conductive wire segments are wound on the insulating structure, and the ends of the conductive wire segments are electrically connected with the conductive layer to form a coil loop.
Description
Technical field
The present invention relates to a kind of inductor, particularly about a kind of combined inductor.
Background technology
Existing inductor is directly reeled by enamelled wire or is wrapped on the material with sense magnetic characteristic, obtains inductance via feeding electric current.Please refer to shown in Figure 1ly, a kind of existing inductor 1 comprises insulation shell 11, iron core 12 and two enamelled wires 13.Wherein, iron core 12 is an annular core, and is coated 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 at 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
Because above-mentioned problem, the object of the present invention is to provide a kind of combined inductor, to have coiling now replaces by a plurality of conduction line segments, these conduction line segments are electrically connected with circuit board and form wire loop, with quickening the wind the line speed of winding, the waste material of avoiding winding the line generation and reduce production costs.
Another object of the present invention is to provide a kind of combined inductor, 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 combined inductor, can be electrically connected 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 combined inductor of the present invention comprises a circuit board, a Magnetosensing element, an insulation system and a plurality of conduction line segment.Circuit board has at least one conductive layer, and Magnetosensing element is arranged on the circuit board, insulation system coated sensation magnetic cell.These conduction line segments are set around insulation system, and the end of these conduction line segments and conductive layer electrical ties are to form wire loop.
From the above, a kind of combined inductor of the present invention replaces existing coiling by a plurality of conduction line segments, make these conduction line segment windings behind Magnetosensing element and insulation system, the end of these conduction line segments and the conductive layer electrically connect of circuit board are 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.
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 of Fig. 2 A;
Fig. 2 C is the schematic bottom view of the combined inductor of Fig. 2 A;
Fig. 2 D is the vertical view of the combined inductor of Fig. 2 A;
Fig. 3 is the schematic diagram 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;
Fig. 5 A and Fig. 5 B are the schematic diagram according to a kind of combined inductor of fourth embodiment of the invention;
Fig. 6 is the schematic diagram according to a kind of combined inductor of fifth embodiment of the invention; And
Fig. 7 is the schematic diagram according to a kind of combined inductor of sixth embodiment of the invention.
The main element symbol description
1: inductor
11: insulation shell
12,22,62,72: Magnetosensing element
13: enamelled wire
2,3,4,5,6,7: combined inductor
21,31,41,61,71: circuit board
211,311,411,412: conductive layer
212: via
23,43,53,63,73: insulation system
24,34,44,45: the conduction line segment
241: the end
531: insulation tank
Embodiment
Hereinafter with reference to relevant drawings, a kind of combined inductor according to preferred embodiment of the present invention is described, wherein components identical will be illustrated with identical reference marks.
First embodiment
Please refer to shown in Fig. 2 A to Fig. 2 D, a kind of combined inductor 2 of first embodiment of the invention comprises a circuit board 21, a Magnetosensing element 22, an insulation system 23 and a plurality of conduction line segment 24.Circuit board 21 can be printed circuit board (PCB), and has at least one conductive layer 211 (shown in Fig. 2 C).Wherein the material of conductive layer 211 comprises gold, silver, copper, tin or its alloy, and the conductive layer 211 of present embodiment is the example explanation with the Copper Foil metal level, and is right non-in order to restriction the present invention.
The material of these conduction line segments 24 comprises gold, silver, copper, tin or its alloy, and the conduction line segment 24 of present embodiment can be the enamel-cover line segment for example also, and is set around insulation system 23.Be noted that these conduction line segments 24 are the design of coordinated insulation structure 23, 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 D, the assembling of combined inductor 2 is as described below: circular Magnetosensing element 22 is arranged on the circuit board 21 of (the conductive via) 212 that have a plurality of vias; The insulation system 23 coated sensation magnetic cells 22 that external form and Magnetosensing element 22 are equal in fact; These conduction line segments 24 for example are located on the insulation system 23 via the board Arranged rings, and respectively conduct electricity the end 241 of line segment 24 and inserts the via 212 of correspondence respectively; By conductive layer 211 (Copper Foil metal level) with the end 241 of two adjacent conduction line segments 24 and conductive layer 211 electrically connects to form wire loop (shown in Fig. 2 C and Fig. 2 D), 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 24 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 circuit board 31, a Magnetosensing element 22, an insulation system 23 and a plurality of conduction line segment 34.
Combined inductor 3 is that with combined inductor 2 differences of the foregoing description these conduction line segments 34 are arranged on the circuit board 31 with multilayer conductive layer 311, wherein conducting electricity an end of line segment and the other end can be separately positioned on (figure shows) on the different conductive layers 311, and these conduction line segments 34 and these conductive layer 311 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 3.
The 3rd embodiment
Please refer to shown in Figure 4ly, a kind of combined inductor 4 of third embodiment of the invention comprises a circuit board 41, a Magnetosensing element 22, an insulation system 23 and a plurality of conduction line segment 44,45.
Combined inductor 4 is that with combined inductor 2 differences of above-mentioned first embodiment these conduction line segments 44,45 are separately positioned on the circuit board 41 with multilayer conductive layer 411,412, wherein, the number of turns of conduction line segment 44 is identical with the number of turns of the conduction line segment 24 of above-mentioned first embodiment, and conduction line segment 45 then is the newly-increased number of turns.Between these conductive layers 411,412 by at least one via conducting (figure show), make these conduction line segments 44,45 and these conductive layers 411,412 electrically connects to form wire loop, the distribution density that increases coiling can improve the inductance value of combined inductor 4 to original one times.
The 4th embodiment
Please refer to shown in Fig. 5 A and Fig. 5 B, a kind of combined inductor 5 of fourth embodiment of the invention comprises a circuit board 21, a Magnetosensing element 22, an insulation system 53 and a plurality of conduction line segment 54.
Combined inductor 5 is that with combined inductor 2 differences of above-mentioned first embodiment outer peripheral edges of the insulation shell of insulation system 53 have a plurality of insulation tanks 531, and these conduction line segments 54 are arranged at these insulation tanks 531 respectively.Be noted that, because of these conduction line segments 54 are the structure of coordinated insulation groove 531, the cross section of these conduction line segments 54 can be rectangle, is preferably flat square to be contained in the insulation tank 531, make and respectively conduct electricity line segment 54 fixed positions, with the insulating properties of guaranteeing to conduct electricity between the line segment 54.
The 5th embodiment
Please refer to shown in Figure 6ly, a kind of combined inductor 6 of fifth embodiment of the invention comprises a circuit board 61, a Magnetosensing element 62, an insulation system 63 and a plurality of conduction line segment 24.
Combined inductor 6 is that with combined inductor 2 differences of above-mentioned first embodiment profile of Magnetosensing element 62 and insulation system 63 is substantially identical, and is oval ring-type.In addition, circuit board 61 can cooperate the profile of Magnetosensing element 62 and insulation system 63, and is oval ring-type or is other circular profile.
The 6th embodiment
Please refer to shown in Figure 7ly, a kind of combined inductor 7 of sixth embodiment of the invention comprises a circuit board 71, a Magnetosensing element 72, an insulation system 73 and a plurality of conduction line segment 24 equally.Combined inductor 7 is that with combined inductor 6 differences the profile of Magnetosensing element 72 and insulation system 73 is substantially identical, and is rectangular ring.In addition, circuit board 71 can cooperate the profile of Magnetosensing element 72 and insulation system 73, and rectangular ring-type or be other circular profile.
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, insulation system and conduction line segment, to meet the demand of combined inductor reality.
In sum, because of foundation a kind of combined inductor of the present invention, replace existing coiling by a plurality of conduction line segments, make these conduction line segment windings behind Magnetosensing element and insulation system, the end of these conduction line segments and the conductive layer electrically connect of circuit board are 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.
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 comprise in the appended claims its equivalent modifications of carrying out or change.
Claims (14)
1, a kind of combined inductor comprises:
Circuit board has at least one conductive layer;
Magnetosensing element is arranged on this circuit board;
Insulation system coats this Magnetosensing element; And
A plurality of conduction line segments are set around this insulation system, and the end of these a plurality of conduction line segments and this conductive layer electrical ties are to form wire loop.
2, combined inductor as claimed in claim 1, wherein this insulation system is insulation shell or insulating barrier, to coat this Magnetosensing element.
3, combined inductor as claimed in claim 2, wherein the outer peripheral edges of this insulation shell have a plurality of insulation tanks, and these a plurality of conduction line segments are arranged at this a plurality of insulation tanks respectively.
4, combined inductor as claimed in claim 1, wherein this Magnetosensing element is circular, oval ring-type or rectangular ring.
5, combined inductor as claimed in claim 4, wherein this circuit board cooperates the profile of this Magnetosensing element and this insulation system, is circular, oval ring-type or rectangular ring.
6, combined inductor 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.
7, combined inductor as claimed in claim 1, wherein these a plurality of conduction line segments are the enamel-cover line segment.
8, combined inductor as claimed in claim 1, wherein this circuit board has a plurality of vias (conductive via), and this end of these a plurality of conduction line segments is inserted these corresponding a plurality of vias respectively, to form wire loop.
9, combined inductor as claimed in claim 1, wherein this circuit board is a multilayer circuit board, it has the multilayer conductive layer.
10, combined inductor as claimed in claim 9, wherein this end, this end and another of these conduction line segments can be separately positioned on different these a plurality of conductive layers.
11, combined inductor as claimed in claim 9, wherein between these a plurality of conductive layers by at least one via conducting.
12, combined inductor as claimed in claim 1, wherein the material of this conductive layer comprises gold, silver, copper, tin or its alloy, and the material of these a plurality of conduction line segments comprises gold, silver, copper, tin or its alloy.
13, combined inductor as claimed in claim 1, wherein the material of this Magnetosensing element comprises iron, cobalt, nickel or its alloy.
14, combined inductor as claimed in claim 1, wherein this Magnetosensing element is an iron core.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103054200A CN101471173B (en) | 2007-12-28 | 2007-12-28 | Combined inductor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2007103054200A CN101471173B (en) | 2007-12-28 | 2007-12-28 | Combined inductor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101471173A true CN101471173A (en) | 2009-07-01 |
| CN101471173B CN101471173B (en) | 2011-06-15 |
Family
ID=40828541
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2007103054200A Expired - Fee Related CN101471173B (en) | 2007-12-28 | 2007-12-28 | Combined inductor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101471173B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223715A1 (en) * | 2017-06-09 | 2018-12-13 | 华为技术有限公司 | Inductor and power-switching circuit |
| CN111341521A (en) * | 2020-04-01 | 2020-06-26 | 西安石油大学 | Coil structure and application for on-line elimination of residual magnetism in ferromagnetic pipelines |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4103267A (en) * | 1977-06-13 | 1978-07-25 | Burr-Brown Research Corporation | Hybrid transformer device |
| US6188305B1 (en) * | 1995-12-08 | 2001-02-13 | International Business Machines Corporation | Transformer formed in conjunction with printed circuit board |
| US5929735A (en) * | 1997-12-19 | 1999-07-27 | Heinrich; Andrew L. | Apparatus for facilitating mounting of an inductor assembly to a printed circuit board |
-
2007
- 2007-12-28 CN CN2007103054200A patent/CN101471173B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2018223715A1 (en) * | 2017-06-09 | 2018-12-13 | 华为技术有限公司 | Inductor and power-switching circuit |
| CN111341521A (en) * | 2020-04-01 | 2020-06-26 | 西安石油大学 | Coil structure and application for on-line elimination of residual magnetism in ferromagnetic pipelines |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101471173B (en) | 2011-06-15 |
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|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110615 Termination date: 20181228 |