EP1620920A1 - Induktives miniatur-bauelement, insbesondere antenne - Google Patents
Induktives miniatur-bauelement, insbesondere antenneInfo
- Publication number
- EP1620920A1 EP1620920A1 EP04789918A EP04789918A EP1620920A1 EP 1620920 A1 EP1620920 A1 EP 1620920A1 EP 04789918 A EP04789918 A EP 04789918A EP 04789918 A EP04789918 A EP 04789918A EP 1620920 A1 EP1620920 A1 EP 1620920A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- winding
- coil
- guide elements
- winding body
- underside
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q21/00—Antenna arrays or systems
- H01Q21/24—Combinations of antenna units polarised in different directions for transmitting or receiving circularly and elliptically polarised waves or waves linearly polarised in any direction
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F41/00—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties
- H01F41/02—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets
- H01F41/04—Apparatus or processes specially adapted for manufacturing or assembling magnets, inductances or transformers; Apparatus or processes specially adapted for manufacturing materials characterised by their magnetic properties for manufacturing cores, coils, or magnets for manufacturing coils
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
- H01F5/02—Coils wound on non-magnetic supports, e.g. formers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01Q—ANTENNAS, i.e. RADIO AERIALS
- H01Q7/00—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop
- H01Q7/06—Loop antennas with a substantially uniform current distribution around the loop and having a directional radiation pattern in a plane perpendicular to the plane of the loop with core of ferromagnetic material
- H01Q7/08—Ferrite rod or like elongated core
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
- H01F2003/005—Magnetic cores for receiving several windings with perpendicular axes, e.g. for antennae or inductive power transfer
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F3/00—Cores, Yokes, or armatures
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
- H01F5/00—Coils
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/49016—Antenna or wave energy "plumbing" making
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T29/00—Metal working
- Y10T29/49—Method of mechanical manufacture
- Y10T29/49002—Electrical device making
- Y10T29/4902—Electromagnet, transformer or inductor
- Y10T29/49071—Electromagnet, transformer or inductor by winding or coiling
Definitions
- Inductive miniature component in particular antenna
- the invention relates to an inductive miniature device, in particular an antenna, formed with a flat, rectangular or polygonal component winding body, on which three coil windings are applied such that the axes of these coil windings in the three mutually perpendicular Rau directions (X, Y , Z), wherein a first and a second coil winding are wound in two lying perpendicular to each other in the median plane of the bobbin directions of the width and the length of the bobbin around this and the third coil winding along the narrow side of the bobbin its circumference following this wrapped around wherein the winding body at least partially consists of ferrite material and on a lower side has guide elements for guiding the third coil winding on one of its sides.
- Such components are known in principle. They can be used, for example, as antennas in a keyless entry system for motor vehicles or also in radio-wave using devices for remote control.
- the invention has for its object, an inductive miniature device, in particular an antenna, with the features described above in such a way that a fully automatic, low-consuming production is possible, but in which a secure fit of the third coil winding is guaranteed.
- the winding body has on its upper side guide elements for guiding the third coil winding on its other side; b) the guide elements on the top of the winding body are made of ferrite material and are integrally connected to the winding body consisting of ferrite material; c) the winding body is placed on a coil plate of electrically non-conductive, non-ferromagnetic material and connected thereto, d) the coil plate has over its thickness extending recesses, the inner contour and arrangement of the outer contour and arrangement arranged on the underside of the winding body Guide elements corresponds, and the winding body is placed on the coil plate such that the arranged on its underside guide elements engage in the recesses of the coil plate; e) the winding ends of the first and second coil windings are each wound around the arranged on the underside of the winding body Fuhrungsetti; f) the winding ends of the third coil winding are respectively
- the winding ends of the first and second coil windings are each wound around the arranged on the underside of the winding body Fuhrungs institute; f) the winding ends of the third coil winding are respectively wound around the corners or projections of the coil plate.
- a basic idea of the invention is basically to construct the component from two parts, namely once the winding body, which carries all three coil windings and which in a particularly advantageous embodiment can consist entirely of ferrite material, and, on the other hand, a coil plate of electrically non-conductive non-ferromagnetic material ,
- plastic on which the bobbin is mounted such that the arranged on its underside guide elements engage in correspondingly configured recesses of the coil plate.
- the coil ends of the first and second coil windings are wound around the guide members on the lower side of the bobbin, and the coil ends of the third coil winding, which is applied only when the bobbin is mounted on the coil plate, are respectively wound around corners or projections of the coil plate .
- the inner edges of the recesses of the coil plate and adjoining portions at the bottom of the coil plate may have a metallic coating.
- the corners or protrusions of the coil plate about which the coil ends of the third coil winding are wound and portions adjacent thereto at the bottom of the coil plate may have a metallic coating.
- connection contacts are provided on the underside of the coil plate, with which the winding ends of the coil windings can be connected by soldering, so that they can be placed directly on a correspondingly equipped circuit board and fastened there.
- the inductive miniature component according to the invention can be produced quickly and inexpensively on appropriately equipped machines.
- Figure 1 is a top view of an inductive miniature device in a training as a 3D antenna.
- FIG. 2 shows the component according to FIG. 1 in a view of the underside
- FIG. 3 shows the component according to FIGS. 1 and 2 in a view on the narrow side
- FIGS. 1 to 3 shows the coil plate for the component according to FIGS. 1 to 3 in a view on the upper side;
- FIG. 5 shows the coil plate of Figure 4 in a view of the underside.
- FIGS. 1 to 3 shows the winding body of the component according to FIGS. 1 to 3 in a view onto the underside
- FIG. 7 shows the winding body according to FIG. 6 in a view on the upper side
- FIGS. 6 and 7 shows the winding body according to FIGS. 6 and 7 in a view on the narrow side
- FIG. 9 shows another embodiment of a winding body for a component according to FIGS. 1 to 3 in a side view partially cut away along the line IX-LX in FIG. 11;
- FIG. 10 shows the winding body according to FIG. 9 in a side view partially cut away along the line XX;
- FIG. 10 shows the winding body according to FIG. 9 in a side view partially cut away along the line XX;
- FIG. 11 shows the wound body according to FIGS. 9 and 10 in a view from below;
- FIG. 12 shows a plastic part carrying guide elements for attachment to the winding body according to FIGS. 9 to 11 in a view of the broad side;
- FIG. 13 shows the plastic part according to FIG. 12 in a view from above;
- FIG. 14 shows the plastic part according to FIGS. 12 and 13 in a view from below;
- FIG. 15 shows the plastic part according to FIGS. 12 to 14 in a view on the narrow side
- Fig. 16 shows another embodiment of a coil plate in a top view
- FIG. 17 shows the coil plate according to FIG. 16 in a view from below;
- FIG. 18 is a perspective exploded view winding body and coil plate of Figure 4 to 8 without the coil windings ..;
- FIGS. 19A to 19E show the component according to FIGS. 1 to 8 in different phases of its production.
- the inductive miniature component shown in Figs. 1 to 8 has a flat, substantially rectangular component formed winding body 1, on which three coil windings 2X, 2Y and 2Z are applied such that the axes of these coil windings in the three aligned perpendicular to each other Spatial directions X, Y and Z point, which are indicated in Fig. 1 and 3.
- the coil windings are, as can be seen from FIGS.
- the winding body 1 has on its underside guide elements 1.1 to 1.4 and at its top guide elements 1.5 to 1.8.
- the winding body 1 and both the guide elements 1.1 to 1.4 on the underside of the wound body and the guide elements 1.5 to 1.8 are constructed of ferrite material at the top of the wound body and are integral with one another and of the same material connected.
- the winding body 1 is placed on a coil plate 3 made of plastic material and connected thereto.
- the coil plate 3 has over its thickness extending and opening towards its edge recesses
- the inner contour and the arrangement of these recesses corresponds to the outer contour and arrangement of the guide elements 1.1 to 1.4 arranged at the bottom of the winding body 1.
- This design has the consequence that the winding body 1 can be placed on the coil plate 3 such that the guide elements 1.1 to 1.4 engage in the recesses 3.1 to 3.4 of the coil plate.
- the winding ends 2. IX of the first coil winding 2X are wound around the guide elements 1. 1 and 1. 3, while the winding ends 2. 1Y of the second coil winding 2Y are wound around the guide elements
- the thickness of the coil plate 3 essentially corresponds to the thickness of the guide elements 1.1 to 1.4 of the underside of the wound body 1.
- the inner edges of the recesses 3.1 to 3.4 in the coil plate 3 and, as shown in Fig. 5, adjacent to them sections of predetermined width at the bottom of the coil plate 3 have a metallic coating.
- the metallically coated sections at the bottom of the coil plate 3 are labeled 4.1 to 4.4.
- the winding ends 2.1Z of the third coil winding 2Z are each wound around corner projections 3.5 and 3.6 of the coil plate 3. These corner projections 3.5 and 3.6 of the coil plate 3 and adjoining sections 4.5 and 4.6 at the bottom also have a metallic coating.
- the third coil winding 2Z runs on its upper side along the guide elements 1.5 to 1.8 and on its underside on the one hand along the guide elements 1.1 to 1.4 and additionally along the upper surface of the coil plate 3.
- a secure fit of the third coil winding 2Z is ensured.
- the guide elements on the winding body 1 are arranged so that they protrude outward and are each viewed in a circumferential direction of the winding body 1, for example as in FIG the guide element 1.5, are arranged at the top of the bobbin 1 substantially in front of a corner of the bobbin 1, while the associated guide elements 1.1 are arranged on the underside of the bobbin, for example, the guide element 1.1, respectively behind the relevant corner.
- arranged at the top of the bobbin 1 guide elements 1.5 to 1.8 each have a transversely to its length on the adjacent corner Wn executed lead, while the arranged at the bottom of the bobbin 1 FüJ approximately elements 1.1 to 1.4 are designed as hook-shaped, outwardly facing feet ,
- These embodiments which are also clearly shown in FIG. 18, facilitate the manufacture of the wound body 1 with the guide elements as a contiguous injection-molded part, since undercuts are avoided in this way.
- FIGS. 9 to 15 show another embodiment of a winding body in which the winding body 11 itself and the guide elements 11.5 to 11.8 arranged on its upper side consist of ferrite material and are integrally connected to one another, whereas the guide elements on the bottom of the winding body 11 are not are integrally connected to this. Rather, they are molded from plastic and are attached to the underside of the bobbin 11 and firmly connected with this.
- these guide elements 6.1 and 6.2 are integrated in pairs in a plastic part 6, which is provided in the mounted state to the inside of the bobbin 11 towards projections 6.3 and 6.4 with pins 7.1 and 7.2, which in corresponding, arranged on the underside of the bobbin 11 holes 5.1 to 5.4 can be inserted.
- a solid connection is guaranteed here.
- These guide elements can then be inserted into a coil plate 13, which is shown in FIGS. 16 and 17.
- the winding ends of the first and second coil windings are in turn wound around the guide elements on the underside of the winding body 11, while the winding ends of the third coil winding are wound around the corner projections 13.5 and 13.6. In the manner already described, these winding ends are then brought into electrical contact with the metalized portions 14.1 to 14.6 located at the bottom of the coil plate 13, and in this way the terminal contacts for the component are formed.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Coils Or Transformers For Communication (AREA)
- Burglar Alarm Systems (AREA)
- Radar Systems Or Details Thereof (AREA)
- Variable-Direction Aerials And Aerial Arrays (AREA)
- Details Of Aerials (AREA)
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PL04789918T PL1620920T3 (pl) | 2003-11-03 | 2004-10-02 | Indukcyjny miniaturowy element konstrukcyjny, zwłaszcza antena |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10351119A DE10351119A1 (de) | 2003-11-03 | 2003-11-03 | Induktives Miniatur-Bauelement, insbesondere Antenne |
PCT/DE2004/002205 WO2005045992A1 (de) | 2003-11-03 | 2004-10-02 | Induktives miniatur-bauelement, insbesondere antenne |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1620920A1 true EP1620920A1 (de) | 2006-02-01 |
EP1620920B1 EP1620920B1 (de) | 2006-12-13 |
Family
ID=34530019
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04789918A Not-in-force EP1620920B1 (de) | 2003-11-03 | 2004-10-02 | Induktives miniatur-bauelement, insbesondere antenne |
Country Status (11)
Country | Link |
---|---|
US (1) | US7339450B2 (de) |
EP (1) | EP1620920B1 (de) |
JP (1) | JP2007538417A (de) |
CN (1) | CN1875521A (de) |
AT (1) | ATE348416T1 (de) |
CA (1) | CA2544730A1 (de) |
DE (2) | DE10351119A1 (de) |
DK (1) | DK1620920T3 (de) |
ES (1) | ES2278351T3 (de) |
PL (1) | PL1620920T3 (de) |
WO (1) | WO2005045992A1 (de) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2393044A1 (de) * | 2005-07-22 | 2011-12-07 | Winstead Assets Ltd. | Leitfähiges Produkt mit einem elektronischen Etikett |
FR2891091B1 (fr) * | 2005-09-22 | 2008-01-11 | Commissariat Energie Atomique | Antenne plane omnidirectionnelle et procede de fabrication |
EP1887587A1 (de) * | 2006-08-12 | 2008-02-13 | Kaschke KG GmbH & Co. | Spulenanordnung |
DE102006049485A1 (de) * | 2006-10-17 | 2008-04-24 | Tyco Electronics Belgium Ec N.V. | Endkappe für ein induktives Bauelement und induktives Bauelement |
US7952357B2 (en) * | 2007-09-28 | 2011-05-31 | The Charles Machines Works, Inc. | Receiver system for determining the location of a magnetic field source |
DE202008004315U1 (de) | 2008-03-29 | 2009-08-06 | Neosid Pemetzrieder Gmbh & Co. Kg | Induktives Bauelement, insbesondere Antenne |
DE102009019724A1 (de) | 2009-05-05 | 2010-11-11 | Neosid Pemetzrieder Gmbh & Co. Kg | Transponder für RFID-Anwendungen sowie Verfahren zur Auslegung eines solchen Transponders |
GB2489119B (en) * | 2009-10-09 | 2014-10-15 | Halliburton Energy Serv Inc | Inductive downhole tool having multilayer transmitter and receiver and related methods |
CN102834973B (zh) * | 2010-04-13 | 2015-01-21 | 日立金属株式会社 | 三轴天线及用于该三轴天线的芯组装体 |
JP5639606B2 (ja) * | 2012-02-27 | 2014-12-10 | 三智商事株式会社 | 無線icタグ |
ES2460368B1 (es) * | 2012-11-12 | 2015-03-10 | Premo S L | Antena tridimensional |
DE102013113244A1 (de) * | 2013-11-29 | 2015-06-03 | Paul Vahle Gmbh & Co. Kg | Spule für ein induktives Energieübertragungssystem |
JP6179543B2 (ja) * | 2014-05-13 | 2017-08-16 | 株式会社村田製作所 | 3軸アンテナ |
DE102015104993A1 (de) | 2015-03-31 | 2016-10-06 | Epcos Ag | Antennenbauelement |
EP3319174B1 (de) * | 2016-11-04 | 2020-08-12 | Premo, S.A. | Magnetische antriebseinheit |
DE102017110752A1 (de) | 2017-05-17 | 2018-11-22 | Neosid Pemetzrieder Gmbh & Co. Kg | Mehrdimensionale Antenne |
JP2020161852A (ja) * | 2017-06-19 | 2020-10-01 | 株式会社村田製作所 | アンテナコイル |
ES2800201T3 (es) * | 2017-11-27 | 2020-12-28 | Premo Sa | Dispositivo inductor con configuración ligera |
CN109638436B (zh) * | 2018-11-30 | 2021-10-01 | 珠海米团科技有限公司 | 一种nfc点面感应式天线、电路及设备 |
DE102020110898A1 (de) * | 2020-04-22 | 2021-10-28 | Neosid Pemetzrieder Gmbh & Co. Kg | Einteiliger Antennenkern |
KR20240034870A (ko) | 2021-08-03 | 2024-03-14 | 프레모, 에세.엘레. | 인쇄 회로 기판에 장착하기 위한 표면 장착 유도 코일 부품 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4825166A (en) * | 1987-01-27 | 1989-04-25 | Sundstrand Data Control, Inc. | Bobbin for a magnetic sensor |
JPS63142775U (de) * | 1987-03-10 | 1988-09-20 | ||
DE19718423A1 (de) | 1997-04-30 | 1998-11-05 | Siemens Ag | Tragbarer Signalempfänger |
EP0893699B1 (de) * | 1997-07-25 | 2001-12-19 | Tokin Corporation | Magnetischer Fühler mit einer auf den Spulenkörper aufgebrachten lineare Dünnschichtleiterabschnitte aufweisenden Erregerspule mit darauf gewickelter Detektorspule |
DE19812836A1 (de) | 1998-03-24 | 1999-09-30 | Pemetzrieder Neosid | Induktives Miniatur-Bauelement für SMD-Montage |
JP2003092509A (ja) | 2001-07-13 | 2003-03-28 | Sumida Corporation | アンテナコイル |
JP3829761B2 (ja) * | 2002-06-04 | 2006-10-04 | 株式会社デンソー | 受信アンテナ、携帯器 |
US6734668B2 (en) * | 2002-10-02 | 2004-05-11 | Zetec, Inc. | Eddy current probe having diagonal magnetic fields alternating between posts at corners of orthogonal solenoid coils |
JP2005124013A (ja) * | 2003-10-20 | 2005-05-12 | Toko Inc | 3軸アンテナコイル |
-
2003
- 2003-11-03 DE DE10351119A patent/DE10351119A1/de not_active Withdrawn
-
2004
- 2004-10-02 CA CA002544730A patent/CA2544730A1/en not_active Abandoned
- 2004-10-02 PL PL04789918T patent/PL1620920T3/pl unknown
- 2004-10-02 ES ES04789918T patent/ES2278351T3/es active Active
- 2004-10-02 WO PCT/DE2004/002205 patent/WO2005045992A1/de active IP Right Grant
- 2004-10-02 DK DK04789918T patent/DK1620920T3/da active
- 2004-10-02 JP JP2006537046A patent/JP2007538417A/ja not_active Ceased
- 2004-10-02 AT AT04789918T patent/ATE348416T1/de not_active IP Right Cessation
- 2004-10-02 CN CNA2004800322724A patent/CN1875521A/zh active Pending
- 2004-10-02 EP EP04789918A patent/EP1620920B1/de not_active Not-in-force
- 2004-10-02 US US10/578,793 patent/US7339450B2/en not_active Expired - Fee Related
- 2004-10-02 DE DE502004002306T patent/DE502004002306D1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2005045992A1 * |
Also Published As
Publication number | Publication date |
---|---|
CN1875521A (zh) | 2006-12-06 |
WO2005045992A1 (de) | 2005-05-19 |
DK1620920T3 (da) | 2007-03-19 |
ES2278351T3 (es) | 2007-08-01 |
ATE348416T1 (de) | 2007-01-15 |
EP1620920B1 (de) | 2006-12-13 |
US20070091009A1 (en) | 2007-04-26 |
DE10351119A1 (de) | 2005-06-02 |
JP2007538417A (ja) | 2007-12-27 |
US7339450B2 (en) | 2008-03-04 |
CA2544730A1 (en) | 2005-05-19 |
PL1620920T3 (pl) | 2007-04-30 |
DE502004002306D1 (de) | 2007-01-25 |
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