EP4265077A2 - Carte de circuits imprimés, en particulier carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire - Google Patents

Carte de circuits imprimés, en particulier carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire

Info

Publication number
EP4265077A2
EP4265077A2 EP21819397.7A EP21819397A EP4265077A2 EP 4265077 A2 EP4265077 A2 EP 4265077A2 EP 21819397 A EP21819397 A EP 21819397A EP 4265077 A2 EP4265077 A2 EP 4265077A2
Authority
EP
European Patent Office
Prior art keywords
circuit board
printed circuit
conductor
vias
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
Application number
EP21819397.7A
Other languages
German (de)
English (en)
Inventor
Leobald Podbielski
Steffen Braun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEW Eurodrive GmbH and Co KG
Original Assignee
SEW Eurodrive GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by SEW Eurodrive GmbH and Co KG filed Critical SEW Eurodrive GmbH and Co KG
Publication of EP4265077A2 publication Critical patent/EP4265077A2/fr
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0263—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board
    • H05K1/0265—High current adaptations, e.g. printed high current conductors or using auxiliary non-printed means; Fine and coarse circuit patterns on one circuit board characterized by the lay-out of or details of the printed conductors, e.g. reinforced conductors, redundant conductors, conductors having different cross-sections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/16—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors
    • H05K1/165—Printed circuits incorporating printed electric components, e.g. printed resistors, capacitors or inductors incorporating printed inductors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0216—Reduction of cross-talk, noise or electromagnetic interference
    • H05K1/0228—Compensation of cross-talk by a mutually correlated lay-out of printed circuit traces, e.g. for compensation of cross-talk in mounted connectors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/0213—Electrical arrangements not otherwise provided for
    • H05K1/0237—High frequency adaptations
    • H05K1/0239—Signal transmission by AC coupling
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/111—Pads for surface mounting, e.g. lay-out
    • H05K1/112—Pads for surface mounting, e.g. lay-out directly combined with via connections
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/11—Printed elements for providing electric connections to or between printed circuits
    • H05K1/117—Pads along the edge of rigid circuit boards, e.g. for pluggable connectors
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09236—Parallel layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09218—Conductive traces
    • H05K2201/09245—Crossing layout
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09372—Pads and lands
    • H05K2201/09481—Via in pad; Pad over filled via
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/095—Conductive through-holes or vias
    • H05K2201/09618—Via fence, i.e. one-dimensional array of vias
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/095—Conductive through-holes or vias
    • H05K2201/09627—Special connections between adjacent vias, not for grounding vias
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/09672—Superposed layout, i.e. in different planes
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/09—Shape and layout
    • H05K2201/09209—Shape and layout details of conductors
    • H05K2201/09654—Shape and layout details of conductors covering at least two types of conductors provided for in H05K2201/09218 - H05K2201/095
    • H05K2201/09709—Staggered pads, lands or terminals; Parallel conductors in different planes

Definitions

  • Printed circuit board in particular printed circuit board that can be used as a primary conductor
  • the invention relates to a printed circuit board, in particular a printed circuit board that can be used as a primary conductor, and a system for the inductive transmission of electrical power to a mobile part that is arranged such that it can move along a primary conductor.
  • a printed circuit board can be implemented in multiple layers and has vias.
  • a printed circuit board is known from US Pat. No. 3,757,028 A as the closest prior art.
  • a wiring structure is known from US Pat. No. 10,743,409 B1.
  • the invention is therefore based on the object of achieving a low-loss power line, in particular in a system for the inductive transmission of electrical power to a mobile part that is arranged such that it can move with respect to a primary conductor.
  • the object is achieved with the printed circuit board according to the features specified in claim 1 or 2 and with the system according to the features specified in claim 12 .
  • the printed circuit board which can be used in particular as a primary conductor and which has two or more layers in which conductor tracks are arranged in each case, the printed circuit board having connection fields in two opposite areas, in particular end areas, which each have connections, in particular have connections arranged linearly one behind the other, wherein the two connection panels are connected to one another by means of a bundle of electrical lines, in particular wherein a respective connection of the first connection panel is connected to a respective connection of the second connection panel by means of a respective electrical line, each of the electrical lines comprising conductor tracks and vias in such a way that the bundle is twisted, in particular with all electrical lines being electrically connected to one another in each of the two connection fields.
  • the advantage here is that the bundle is twisted with a printed circuit board.
  • the twist refers to the twist, i.e. to the fact that the cable has a sense of rotation on the connection path from the first to the other connection panel, which is only interrupted by areas that are not strictly monotonic.
  • the twisting is thus carried out in accordance with the twisting of a wire bundle and/or stranded wire bundle, although the lines do not have the three-dimensional space but only the planes of the layers of the printed circuit board and the vias.
  • a primary conductor has a printed circuit board that has two or more layers in which conductor tracks are arranged, with two connection fields of the printed circuit board being connected by means of electrical lines that include conductor tracks and vias, with the conductor tracks in one Position with increasing distance to the first connection field have a monotonically decreasing distance to the first vias and have a monotonically increasing distance to the first vias in a first layer next-neighboring position with increasing distance to the first connection field.
  • the printed circuit board which can be used in particular as a primary conductor and has two or more layers in which conductor tracks are arranged in each case
  • the printed circuit board has connection panels in two opposite areas, in particular end areas, which each have connections, in particular having connections arranged linearly one behind the other, the two connection panels being connected by means of electrical lines, in particular wherein a respective connection of the first connection panel is connected to a respective connection of the second connection panel is connected by means of a respective electrical line
  • the electrical lines each comprising conductor tracks and vias, wherein in a first layer of the printed circuit board a respective, in particular each, conductor track with increasing distance from the first connection panel to a first, in particular straight line of first vias have a monotonically decreasing distance, in particular until the distance disappears, ie opening into a respective first via, with one, in particular each, for it In the most closely adjacent layer of the printed circuit board, a respective, in particular each, conductor track has a monotonically increasing distance
  • the advantage here is that the conductor tracks run more or less twisted and thus lower losses occur, in particular by reducing the skin effect and the proximity effect.
  • connection or connections is/are designed in the manner of a through-contact.
  • the advantage here is that two or more layers of the printed circuit board can be used in order to achieve twisting and thereby reduce losses.
  • the first vias are arranged one behind the other along the first line, in particular parallel to the extension direction of the primary conductor, in particular in the direction of movement of a mobile part that can be inductively supplied by the primary conductor and can be moved along the primary conductor.
  • the advantage here is that the conductor tracks extend from the first through-connections in the direction of movement and thereby move closer and closer to the second through-connections until they reach them.
  • the second vias are arranged one behind the other along the second line, in particular parallel to the extension direction of the primary conductor, in particular in the direction of movement of a mobile part that can be inductively supplied by the primary conductor and can be moved along the primary conductor.
  • the advantage here is that the conductor tracks extend from the second through-connections in the direction of movement and thereby move closer and closer to the first through-connections until they reach them.
  • the first line is aligned parallel to the direction of movement of a handset.
  • the first line is aligned parallel to the second line.
  • the vias of the first line are evenly spaced from each other.
  • the vias of the second line are evenly spaced from one another.
  • the advantage here is that a simple design can be achieved.
  • the first line, the second line and the two connection fields are arranged along the circumference of a rectangle. The advantage here is that an optimal utilization of the surface of the printed circuit board is made possible.
  • the conductor tracks are made of copper-containing material.
  • the advantage here is that inexpensive mass production is made possible.
  • At least four conductor tracks are routed from the first connection panel to the first vias in the first layer, in particular and further conductor tracks are routed from the second vias to the first vias or to the second connection panel.
  • At least four conductor tracks are routed from the first connection panel to the second vias, in particular and further conductor tracks are routed from the first vias to the second vias or to the second connection panel.
  • a strictly monotonic increase is implemented and/or instead of the monotonic increase instead of the monotonic decrease, a strictly monotonic decrease is realized.
  • the advantage here is that the conductor tracks can be made as mathematically smooth and short as possible, in particular without kinks.
  • the mobile part has ferrite, in particular ferrite material arranged in a U-shape, with a secondary winding wound around the ferrite, from which a arranged electrical consumers, in particular an electric motor and/or an electronic controller, can be supplied and/or an energy store arranged on the mobile part, wherein the primary conductor has at least one first printed circuit board according to one of the preceding claims, in particular wherein the primary conductor is designed as an elongate current loop.
  • the advantage here is that the most cost-effective, low-loss design of the system can be achieved.
  • no or fewer supports are required for the primary conductor since a printed circuit board is much more rigid than a cable.
  • the primary conductor comprises an outgoing conductor and a return conductor, the outgoing conductor having the first circuit board having a first number of layers, the return conductor having a second circuit board according to one of the preceding claims having a second number of layers, the second number is smaller than the first number, in particular wherein the second number equals half of the first number and the return conductor is a further second printed circuit board according to one of the preceding claims, wherein the outgoing conductor is at least partially surrounded by the ferrite and the return conductor is arranged outside the ferrite.
  • the advantage here is that a cost-effective design of the primary conductor can be achieved, with twice the current being able to be conducted through the outgoing conductor in the interior of the U-shaped ferrite compared to the second printed circuit board.
  • a further second printed circuit board is also arranged symmetrically to the first-mentioned second printed circuit board outside the ferrite.
  • the outgoing conductor is laid parallel to the return conductor and/or the first printed circuit board is aligned parallel to the second printed circuit board.
  • the advantage here is that the laying direction can be aligned parallel to the direction of movement of the handset.
  • FIG. 1 shows a cross section through a system for contactless, in particular inductive, energy transmission, with multilayer printed circuit boards (9, 10) being used as the primary conductor.
  • FIG. 2 shows a first of the printed circuit boards 9 as a schematic example in a top view.
  • FIG. 5 shows an oblique view of the system.
  • FIG. 6 shows a cross section through the system.
  • FIG. 7 shows a region of FIG. 5 on an enlarged scale.
  • the system has an elongated primary conductor laid as an electrical current loop in a system, to which an alternating current is applied and is at least partially realized by means of a printed circuit board 10, which acts as the outgoing conductor of the current loop, and by means of printed circuit boards 9, which act as the return conductor of the current loop and are laid parallel to the printed circuit board 10.
  • a mobile part is movably arranged parallel to the orientation of the forward conductor and/or return conductor.
  • the mobile part can therefore be moved back and forth along the printed circuit boards 9 and/or 10 .
  • the handset has a secondary winding 3 wound around a ferrite 2 .
  • the ferrite has a U-shaped cross section in a plane whose normal direction is aligned parallel to the direction of movement of the handset.
  • the winding 3 is wound around the respective leg of the U and/or around the yoke of the U.
  • the carrier of the circuit board 9 and 10 are not shown. However, these are connected to a shield 1.
  • the shield 1 preferably also has a U-shaped cross section in the plane.
  • the respective printed circuit board 9 has a first connection panel 11 on its first end region, i.e. close to one of its outer edges, which is connected via conductor tracks to a further connection panel 11, which is as far as possible from the connection panel 11 opposite the first connection panel 11 is removed.
  • the strip conductors which connect the two connection fields 11 are not designed in a straight line and parallel to one another.
  • First vias 8 of the printed circuit board 9 are lined up one behind the other along a first straight line, which are aligned parallel to the direction of movement of the handset.
  • Second vias 8 of the printed circuit board 9 are lined up one behind the other along a second straight line, which are aligned parallel to the direction of movement of the handset.
  • the first straight line is spaced from the second straight line.
  • the electrical lines run from the first connection field 11 to the second connection field 11, each connection field 11 being formed from a plurality of connections, in particular vias, to which a wire or strand of a cable can be soldered.
  • the electrical lines are formed by conductor tracks which are arranged in the respective layers of the printed circuit board 9 and are connected by means of first and/or second vias 8 .
  • FIG. 3 shows the conductor tracks of the upper layer 30 and the lower layer 31.
  • the distance from the first of the connection fields 11 increases, the distance from the first straight line, that is to say from the line formed by the first vias 8 , increases monotonously until the respective conductor track reaches a second via 8 .
  • the conductor tracks run in such a way that with increasing distance from the first of the connection fields 11, the distance to the second straight line, i.e. to the line formed by the second vias 8, increases monotonously until the respective conductor track reaches a connection of the second connection field 11 .
  • the conductor tracks run differently and the frequency-related losses can thus be reduced.
  • this principle can also be applied to a printed circuit board 10 which has more than two layers.
  • connection fields 11 are also arranged on the printed circuit board 10 on two opposite sides, which are preferably formed from connections arranged in a line one behind the other.
  • the connections can also be implemented in the manner of through-plating.
  • connection panels 11 can be connected by means of electrical lines, the electrical lines in turn comprising conductor tracks and vias.
  • the conductor tracks In a first layer 30 of printed circuit board 10, the conductor tracks have a monotonically decreasing distance from a first, in particular straight line of first vias 8, which are arranged one behind the other in the direction of movement, to a second, in particular straight line, of second vias 8 as the distance from the first connection field increases , which are also arranged one behind the other in the direction of movement.
  • the conductor tracks run at an increasing distance from the first connection field 11 at a monotonically increasing distance from the first, in particular, straight line of first vias 8, which are arranged one behind the other in the direction of movement, from the second, in particular, straight line of second Vias 8 until they reach the first vias or alternatively a respective connection of the second connection panel 11 .
  • the printed circuit board 10 has four layers here, so that the electrical lines each use four layers. In this case, however, the electrical lines are not routed in a straight line, that is to say on the shortest route from the first to the second connection field 11, but in the manner of a twist.
  • the conductor tracks are each spaced apart from one another.
  • the connections of a respective connection panel 11 may be electrically connected to one another.
  • a primary conductor having a printed circuit board that has two or more layers in which conductor tracks are arranged, with two connection fields of the printed circuit board being connected by means of electrical lines that include conductor tracks and vias, with the conductor tracks in one layer have a monotonically decreasing distance from the first vias as the distance from the first connection field increases, and have a monotonically increasing distance from the first vias as the distance from the first connection field increases in a layer that is immediately adjacent to the first layer.
  • a strictly monotonic increase is implemented instead of the monotonic increase.
  • face-side contacts are used instead of vias 8 . Although these are designed as copper areas on the narrow end face of the circuit board; however, such an embodiment is more cost-effective in comparison to vias 8 and enables more efficient use of the area of the printed circuit board, since the end contacting has to be arranged on the front side and not within the printed circuit board area.
  • the circuit boards 9 and 10 are U-shaped.
  • the yoke of the respective U extends in the direction of movement of the mobile part 51.
  • the legs of the U of the printed circuit boards 9 and 10 are used on the one hand to supply the alternating current and on the other hand to hold the yoke of the U in order to provide the outgoing conductor or return conductor for the system.
  • the handset 51 has rollers 52, by means of which it can be moved back and forth in the direction of movement, the rollers 52 rolling on the upper edge of the shield 1, in particular on the upper edge of a respective leg of the U of the U-shaped shield.
  • the upper edge extends parallel to the forward conductor and return conductor, i.e. in the direction of movement.
  • the inner bottom side i.e. on the inside of the yoke of the U-shaped shield 1
  • a multi-layer printed circuit board 53 in particular a four-layer printed circuit board, which is insulated from the shield 1, in particular in that of the shield 53, in particular the yoke of the Shield 53, facing the outer layer of the circuit board 53 has no conductor tracks, copper surfaces, vias and / or other electrically conductive surfaces.
  • the printed circuit board 53 is therefore aligned parallel to the yoke of the shielding 1, which is designed to be flat and planar, in particular flat.
  • the circuit board 53 On the side of the circuit board 53 facing away from the yoke of the shielding 1, the circuit board 53 is fitted with holders 50, in particular connector parts, into which the end regions of the circuit boards 9 and 10 are plugged in.
  • the connection fields 11 are electrically contacted, so that the conductor tracks of the printed circuit boards 9 and 10 are electrically connected to conductor tracks of the printed circuit board 53 via the contacts of the holders 50 which are soldered to the conductor tracks.
  • the current provided for the forward conductor or return conductor can be passed on from a first holder 50 to a holder 50 which is next to it in the direction of movement.
  • the printed circuit boards 9 and 10 are U-shaped.
  • the printed circuit boards 9 shown and described in Figures 2 and 3 and the printed circuit boards 10 shown and described in accordance with Figure 2 together with Figure 4 are now in accordance with the design according to Figures 5 to 7 instead of the straight design shown in Figures 2 to 4 U-shaped.
  • connection panels 11 of FIGS. 2 to 4 are inserted into a respective holder 50, in particular a connector part.
  • the distance previously mentioned in FIGS. 2 to 4 is now to be understood along the U of the respective U-shaped printed circuit boards 9 and 10 .
  • the printed circuit boards 53 are only necessary in the area of the next adjacent brackets 50 and hold up to four printed circuit boards 9 and up to two printed circuit boards 10.
  • the printed circuit boards 53 therefore act not only as a power supply, but also as a mechanical holding device for the printed circuit boards 9 and 10.
  • the Printed circuit boards 53 arranged spaced apart from one another in the direction of movement hold the feed conductor created by the sequence of printed circuit boards 10 and the return conductor created by the sequence of printed circuit boards 9 by means of the mounts 50 fitted on them, with the current flowing through the return conductor being guided through conductor tracks of the printed circuit board 53 and the current flowing through the outgoing conductor is also conducted through conductor tracks of the printed circuit board 53 .
  • the ferrite 2 wrapped by the secondary winding 3 protrudes with its limbs into the area between the forward conductor and the return conductors.

Landscapes

  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Combinations Of Printed Boards (AREA)
  • Structure Of Printed Boards (AREA)

Abstract

L'invention concerne une carte de circuits imprimés, en particulier une carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire, qui présente au moins deux couches dans chacune desquelles sont disposées des pistes conductrices, cette carte de circuits imprimés étant caractérisée en ce qu'elle présente sur deux zones mutuellement opposées, en particulier des zones d'extrémité, des champs de connexion qui présentent des bornes respectives, en particulier des bornes agencées de façon linéaire les unes derrière les autres, les deux champs de connexion étant reliés l'un à l'autre au moyen d'un faisceau de lignes électriques, en particulier une borne respective du premier champ de connexion étant reliée à une borne respective du deuxième champ de connexion au moyen d'une ligne électrique respective, chacune des lignes électriques comprenant respectivement des pistes conductrices et des trous métallisés de telle sorte que le faisceau est torsadé.
EP21819397.7A 2020-12-17 2021-11-22 Carte de circuits imprimés, en particulier carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire Pending EP4265077A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102020007713 2020-12-17
PCT/EP2021/082513 WO2022128353A2 (fr) 2020-12-17 2021-11-22 Carte de circuits imprimés, en particulier carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire

Publications (1)

Publication Number Publication Date
EP4265077A2 true EP4265077A2 (fr) 2023-10-25

Family

ID=78821127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP21819397.7A Pending EP4265077A2 (fr) 2020-12-17 2021-11-22 Carte de circuits imprimés, en particulier carte de circuits imprimés pouvant être utilisée en tant que conducteur primaire

Country Status (4)

Country Link
EP (1) EP4265077A2 (fr)
CN (1) CN116569658A (fr)
DE (1) DE102021005774A1 (fr)
WO (1) WO2022128353A2 (fr)

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3757028A (en) * 1972-09-18 1973-09-04 J Schlessel Terference printed board and similar transmission line structure for reducing in
US4080585A (en) * 1977-04-11 1978-03-21 Cubic Corporation Flat coil transformer for electronic circuit boards
US5055816A (en) 1989-06-26 1991-10-08 Motorola, Inc. Method for fabricating an electronic device
US5293308A (en) * 1991-03-26 1994-03-08 Auckland Uniservices Limited Inductive power distribution system
JP3351264B2 (ja) * 1996-10-16 2002-11-25 株式会社豊田自動織機 移動体の給電線重畳通信システム
DE10014954A1 (de) * 2000-03-22 2001-10-04 Lju Industrieelektronik Gmbh Elektrohängebahn mit berührungsloser Energieübertragung
US7973635B2 (en) * 2007-09-28 2011-07-05 Access Business Group International Llc Printed circuit board coil
US10743409B1 (en) 2019-06-24 2020-08-11 Innolux Corporation Wiring structure and electronic device

Also Published As

Publication number Publication date
WO2022128353A3 (fr) 2022-09-01
WO2022128353A2 (fr) 2022-06-23
DE102021005774A1 (de) 2022-06-23
CN116569658A (zh) 2023-08-08

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