EP2828869A1 - Système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires - Google Patents

Système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires

Info

Publication number
EP2828869A1
EP2828869A1 EP13707549.5A EP13707549A EP2828869A1 EP 2828869 A1 EP2828869 A1 EP 2828869A1 EP 13707549 A EP13707549 A EP 13707549A EP 2828869 A1 EP2828869 A1 EP 2828869A1
Authority
EP
European Patent Office
Prior art keywords
ferrite core
circuit board
conductor
energy transmission
transmission system
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
Application number
EP13707549.5A
Other languages
German (de)
English (en)
Other versions
EP2828869B1 (fr
Inventor
Bernhard KÖHLER
Thomas Leichter
Josef Schmidt
Maja Sliskovic
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 EP2828869A1 publication Critical patent/EP2828869A1/fr
Application granted granted Critical
Publication of EP2828869B1 publication Critical patent/EP2828869B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F38/00—Adaptations of transformers or inductances for specific applications or functions
    • H01F38/14—Inductive couplings

Definitions

  • the invention relates to a power transmission system having a module which can be inductively coupled to a primary conductor system.
  • the invention is therefore based on the object, an inductively supplied module
  • the object is achieved in the energy transmission system with a inductively coupled to a primary conductor system module according to the features indicated in claim 1.
  • the energy transmission system is designed with a inductively coupled to a primary conductor system module, in particular wherein the primary conductor system comprises a forward conductor and a return conductor, wherein the module has a lower part and a top, wherein the upper part can be placed on the lower part and can be connected to it, the lower part having a printed circuit board populated with electronic components, a ferrite core section being arranged on the printed circuit board,
  • CONFIRMATION COPY in particular, wherein the ferrite core portion is adhesively bonded to the circuit board, wherein a secondary winding is connected to the circuit board and the ferrite core portion with another ferrite core portion forms a coil core of the secondary winding, wherein the further ferrite core portion and a receiving area for the primary conductor system, in particular for a portion of the primary conductor system, in Upper part is arranged.
  • the advantage here is that a cost-effective production is possible, as in the lower part of a ferrite core section can be fitted on the circuit board and in the upper part of the missing part of the spool core is providable.
  • a use in wet areas or systems in explosion-proof environment is possible because when connecting to the
  • the module is displaceable in the line direction and thus the position of the module in a simple manner changeable, without disconnecting and subsequently connecting the electrical power supply is necessary. Thus, therefore, a readjustment of the position of the module is possible.
  • the ferrite core portion has legs and a yoke, wherein the legs are connected to the yoke, wherein the secondary winding is arranged wound around at least one leg.
  • the lower part and upper part are frictionally and / or positively connected, in particular klipsverbindbar, in particular by a
  • the primary conductor system in particular forward conductor and return conductor, can be clipped into the receiving region arranged on the upper part, in particular the forward conductor into a receiving region provided for the forward conductor and the return conductor in the receiving region provided on the return conductor on the upper part.
  • the advantage here is that a simple connection of the line conductor is possible.
  • the position of the line conductor when placing the upper part on the lower part is highly accurately predetermined and therefore the line conductors in the respective receiving area between the legs inserted.
  • the ferrite core portion is comb-shaped, in particular wherein a plurality of mutually spaced apart legs are arranged on the yoke.
  • the advantage here is that the ferrite core portion of an E equal to three, four or more legs, which are arranged on the yoke forming a back.
  • the further ferrite core is constructed identical to the ferrite core section.
  • a section of the primary conductor system in particular a section of the Hinleiters and a portion of the return conductor, in a respective corresponding receiving area connected to the upper part, in particular clipped.
  • an antenna designed as a flat winding is arranged between the forward conductor and the return conductor, the winding axis being perpendicular to that of the forward conductor and the return conductor, in particular to the antenna
  • next adjacent range, spanned level wherein by means of the antenna compared to the frequency of the in the primary conductor system
  • the antenna can be modulated and / or demodulated.
  • the advantage here is that data can be transferred without further necessary components.
  • the existing wiring is available.
  • the further ferrite core section is encapsulated or encapsulated in the upper part, wherein the encapsulated or encapsulated provided plastic in the gap, in particular air gap, is arranged between the ferrite core section and the further ferrite core section.
  • FIG. 1 shows a schematic structure of a module according to the invention is shown, wherein a first metal profile 2 is used for fastening. The housing parts are partially hidden.
  • FIG. 3 shows a cross section through a ferrite core arrangement of the module.
  • FIG. 4 shows, for a second embodiment according to the invention, an oblique view of a module, wherein instead of the ferrite core section 14 exclusively used in FIGS. 1 to 3, a ferrite core section 34 is also used in the upper part, so that improved flux guidance can be achieved.
  • FIG. 5 shows a cross section through the second exemplary embodiment according to the invention.
  • FIG. 6 shows an oblique view of the assembled printed circuit board 35.
  • Embodiment as Figure 3 is related and leads through the antenna area, wherein the antenna area is used for coupling and decoupling a communication signal.
  • 8 shows a base carrier is shown, which consists of a plastic carrier and ferrite parts 14, wherein in the base support channel-like receiving areas for receiving and guiding a Hinleiters or a return conductor are arranged.
  • FIGS. 9 and 10 oblique views are shown, wherein the attachment of the lower part comprising the electronics can be seen, wherein in FIG. 9 the attachment is shown enlarged.
  • the module has an upper part and a lower part containing a printed circuit board 35.
  • the associated housing parts are preferably made
  • the printed circuit board 35 is equipped with heat-conducting components 3.
  • the module thus has an electronic circuit whose components 3 are arranged on the circuit board 35.
  • the electronic circuit can be supplied inductively by a secondary winding 12 of the electronic circuit with a primary conductor system is inductively coupled.
  • the primary conductor system is designed as a closed elongated current loop, so that primary conductor sections are inserted into the lower part of the module.
  • the first primary conductor section is a Hinleiter 10 and another a return conductor 11. Since Hinleiter 10 and return conductor 11 are each portions of the conductor loop, the current amounts flowing in them are equal in magnitude.
  • the upper part has no electronic circuit. The upper part thus has the function that when placing the upper part on the lower part of the magentic flux is guided with a high magnetic conductance in the multi-part ferrite core. In this case, at least one ferrite part in the upper part and at least one further ferrite part in the lower part.
  • the secondary winding 12 is electrically connected to conductor track portions of the printed circuit board 35.
  • the ends of the winding wire of the secondary winding 12 are guided to contact pins of a connector part, the contact pins are inserted into the circuit board 35 and soldered.
  • the lower part has channel-like cable receiving areas. These are designed such that Hinleiter 10 and return conductors 11 are inserted and clipped into the cable receiving areas.
  • ferrite core sections 14 are received in the upper part, preferably cast or molded or non-positively and / or positively, in particular clipped, held.
  • the secondary winding 12 is about a leg of a comb-shaped
  • Ferrite core section 13 provided wound, wherein the ferrite core section 13 in the lower part is arranged.
  • ferrite parts 14 are arranged, which cause a magnetically good conductive connection between the end portions of the legs of the ferrite core of the lower part when placing the upper part on the lower part.
  • the comb-shaped ferrite core section 13 has a yoke facing the printed circuit board 35, on which four legs are arranged, in particular projecting perpendicularly. He thus resembles an E, wherein the middle leg of the E two-piece, that consists of two spaced-apart, parallel aligned inner thighs.
  • the forward conductor 10 is in a receiving area between two adjacent pixels
  • the return conductor 11 is correspondingly inserted into a receiving area between the other two adjacent legs, in particular the other outer leg and the other, adjacent thereto inner leg of the ferrite core 13, wherein the return line 11 belonging to line direction perpendicular to the through the rod-shaped yoke and the inner rod-shaped leg spanned plane is aligned.
  • the secondary winding 12 is designed as a deformed, in particular quasi-rectangular extending ring winding and thus provided wrapped around the two inner legs of the ferrite core 13 running around.
  • Ferrite core section 14 of the upper part placed on the lower part must be accepted.
  • plastic material of a plastic carrier part 19 is provided in the air gap, which comprises the ferrite parts 14 and thus holds.
  • the module is attached to a metal profile 2, which in turn is attachable to a wall or to a plant part.
  • the heat-generating components 3 are preferably in heat-conducting contact with the metal profile 2 or a module, in particular its lower part, at least partially surrounding housing part 30 is made of good heat conducting material.
  • a recess is provided in the housing part 30, through which protrudes a heat sink or a metallic part and is in direct contact with the metal profile 2, wherein the heat sink or the metallic part is connected to the or the heat-conducting component 3,
  • heat is connected conductively.
  • the ferrite core sections (13, 14) are likewise arranged on the side of the printed circuit board 35 facing the metal profile 2, so that their heat can also be supplied to the metal profile 2.
  • the metal profile 2 thus also acts as a heat sink for the ferrite core sections (13, 14).
  • the metal profile 2 has an S-shaped profile, whereby a large cross-sectional area is provided for passing air.
  • a differently shaped metal profile 4 is used instead of the metal profile 2 of FIG.
  • the metal profile 4 surrounds the module at least partially and thus exercises also housing-forming function.
  • the metal profile 4 has a C-shaped profile.
  • FIG. 3 shows a cross section through the ferrite core arrangement.
  • the ferrite core sections 14 are provided in the upper part and are preferably molded or encapsulated with plastic of the plastic carrier part 19, this plastic layer shown in FIG. 1 touches the legs of the ferrite core section 13
  • Plastic support part 19 The thickness of the plastic layer is dimensioned such that a frictional connection is formed.
  • the thickness is slightly larger than the actually existing between the ferrite air gap, so that when plugging an elastic deformation of the plastic layer is necessary, thereby creating a non-positive connection region between the upper part and lower part.
  • Hinleiter 10 and return conductor 11 are arranged in the cable guide of the lower part such that after placing the upper part between Hinleiter 10 and return conductor 11 on the lower part, in particular on the circuit board 35, arranged antenna 21 is positioned.
  • the antenna 21 is spaced in the conductor direction of the
  • the antenna 21 has a flat winding whose winding axis is oriented perpendicular to the plane defined by the forward conductor 10 and the return conductor 11 plane.
  • the flat winding of the antenna 21 is made by means of tracks of a printed circuit board piece, which is spaced from the circuit board 35 and aligned parallel thereto.
  • connection contacts which are arranged on the circuit board piece and which are solder-connected to the circuit board 35, the circuit board piece is held.
  • the magnetic field generated by the antenna 21 induces electrical currents in Hinleiter 10 and return conductor 11, so that a higher frequency current share is superimposed on the primary current.
  • data signals from the module can be transmitted to a unit connected to the primary conductor system.
  • an inversely directed data stream is made possible by demodulation of a high-frequency component.
  • the module has a connector part 91, by means of which a connectable to the connector part 91 sensor is connectable and a connector part 92, so that a
  • an actuator such as electric motor, electric drive or the like, controlled by the arranged on the circuit board 35 electronic circuit can be supplied.
  • the printed circuit board 35 is equipped with an electronic arrangement such that the inductively transmitted from the primary conductor system to the secondary winding 12 power the
  • a converter or another current control unit is arranged on the printed circuit board 35, so that the current supplied to the consumer can be controlled and / or regulated.
  • forward conductor 10 and return conductor 11 are arranged as close to each other as possible in order to reduce the radiation of energy, ie energy loss. As shown in Figures 4 and 5, instead of that used in Figures 1 to 3
  • Ferrite core portion 14 also in the upper part of a ferrite core portion 34 used, which is similar to the ferrite core portion 33 of the lower part, which is used instead of the ferrite core portion 13 of Figures 1 to 3 in the lower part.
  • ferrite core portion 34 used, which is similar to the ferrite core portion 33 of the lower part, which is used instead of the ferrite core portion 13 of Figures 1 to 3 in the lower part.
  • the spacing of the legs is regular at the ferrite core section (13, 14), so that the similar receiving areas formed with their legs into each other between the legs can be inserted.
  • the secondary winding 12 is arranged around the two middle legs of the ferrite core section 33. The rest of the construction is similar to the figures 1 to 3 and 6 executed.
  • FIG. 1 In the further exemplary embodiment according to FIG.
  • FIG. 8 shows in more detail the lower part associated with the exemplary embodiment according to FIG.
  • the ferrite cores 14 are encapsulated in the plastic material of the housing of the lower part or at least provided surrounded by this.
  • the channel-like receiving areas (25, 26) for primary conductors in the housing part of the lower part are formed.
  • the ferrite cores 14 extend in the direction of the primary line in one area. This area is shorter than the extension of the lower part in the direction of the primary line, in particular it is shorter than half the extension of the lower part.
  • the lower part 22 has a latching lug 40 which engages in a recess, in particular a grid 41, of the upper part, on.
  • the lower part 22 is positively connected to the upper part 23, in particular clipped when placing the upper part 23 on the lower part 22.
  • the upper part 23 is fixed to the rail part 90, in particular with this screw connected.
  • the lower part 22 has a connector part 91 for a sensor, such as a photoelectric sensor or another sensor, on and a connector part 92 for a drive.
  • the connector parts 91 and 92 are preferably electrically connected to the circuit board 35, in particular soldered.
  • the signals of the sensor via the connector comprising the connector part 91 and a corresponding
  • Mating connector part which is supplied on the circuit board 35 arranged electronic circuit.
  • a power supply signal in particular motor current
  • the drive has, for example, an electric motor which drives a roller or the like.
  • the motor housing is connectable to the rail part 90, which is fixedly mounted in the system. So as soon as a driven by the roller cargo enters the sensitive part of the light barrier, is the electric drive can be activated and accordingly deactivated at the exit. In this way, energy-saving driving is possible.
  • the module When modifying or otherwise modifying the system, the module can be fastened to a different location of the rail part 90 by moving the module along the primary conductor. A loosening and reconnecting a connector part of the

Abstract

L'invention concerne un système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires. En particulier, le système de conducteurs primaires comprend un conducteur d'arrivée et un conducteur de retour. Le module comprend une partie inférieure et une partie supérieure, cette dernière pouvant être posée sur la partie inférieure et assemblée à celle-ci. La partie inférieure comporte un circuit imprimé équipé de composants électroniques. Un segment de noyau en ferrite est monté, notamment par collage, sur le circuit imprimé. Un enroulement secondaire est relié au circuit imprimé et, avec un autre segment de noyau en ferrite, le segment de noyau en ferrite forme un noyau de bobine de l'enroulement secondaire. L'autre segment de noyau en ferrite et un logement pour le système de conducteurs primaires, en particulier pour un segment du système de conducteurs primaires, sont disposés dans la partie supérieure.
EP13707549.5A 2012-03-21 2013-02-27 Système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires Active EP2828869B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102012005528.5A DE102012005528B4 (de) 2012-03-21 2012-03-21 Energieübertragungssystem mit einem an ein Primärleitersystem induktiv koppelbaren Modul
PCT/EP2013/000569 WO2013139428A1 (fr) 2012-03-21 2013-02-27 Système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires

Publications (2)

Publication Number Publication Date
EP2828869A1 true EP2828869A1 (fr) 2015-01-28
EP2828869B1 EP2828869B1 (fr) 2020-04-08

Family

ID=47827127

Family Applications (1)

Application Number Title Priority Date Filing Date
EP13707549.5A Active EP2828869B1 (fr) 2012-03-21 2013-02-27 Système de transfert d'énergie comprenant un module qui peut être couplé inductivement à un système de conducteurs primaires

Country Status (3)

Country Link
EP (1) EP2828869B1 (fr)
DE (1) DE102012005528B4 (fr)
WO (1) WO2013139428A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023202881A1 (fr) * 2022-04-21 2023-10-26 Sew-Eurodrive Gmbh & Co. Kg Partie secondaire

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP3465075B2 (ja) * 1998-12-02 2003-11-10 株式会社椿本チエイン 非接触給電装置
DE10344144C5 (de) * 2003-09-22 2016-03-24 Sew-Eurodrive Gmbh & Co Kg Anordnung zur berührungslosen induktiven Übertragung elektrischer Leistung
DE10360604B4 (de) 2003-12-19 2020-06-18 Sew-Eurodrive Gmbh & Co Kg Verbraucher mit Mittel zu seiner induktiven Versorgung und System
DE102006053682B4 (de) 2006-11-13 2020-04-02 Sew-Eurodrive Gmbh & Co Kg Verbraucher und System zur berührungslosen Versorgung

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO2013139428A1 *

Also Published As

Publication number Publication date
DE102012005528A1 (de) 2013-09-26
EP2828869B1 (fr) 2020-04-08
WO2013139428A1 (fr) 2013-09-26
DE102012005528B4 (de) 2023-09-28

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