EP3320585B1 - Elektrische steckdosenanordnung mit elektrischer trennlösung - Google Patents

Elektrische steckdosenanordnung mit elektrischer trennlösung Download PDF

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Publication number
EP3320585B1
EP3320585B1 EP16742372.2A EP16742372A EP3320585B1 EP 3320585 B1 EP3320585 B1 EP 3320585B1 EP 16742372 A EP16742372 A EP 16742372A EP 3320585 B1 EP3320585 B1 EP 3320585B1
Authority
EP
European Patent Office
Prior art keywords
magnetic
socket
assembly according
base
electrical contacts
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.)
Active
Application number
EP16742372.2A
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English (en)
French (fr)
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EP3320585A1 (de
Inventor
Ronan TROUFFLARD
Amandine BRAY
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.)
Gulplug SAS
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Gulplug SAS
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Publication date
Application filed by Gulplug SAS filed Critical Gulplug SAS
Publication of EP3320585A1 publication Critical patent/EP3320585A1/de
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/66—Structural association with built-in electrical component
    • H01R13/70—Structural association with built-in electrical component with built-in switch
    • H01R13/703—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part
    • H01R13/7036—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling
    • H01R13/7037—Structural association with built-in electrical component with built-in switch operated by engagement or disengagement of coupling parts, e.g. dual-continuity coupling part the switch being in series with coupling part, e.g. dead coupling, explosion proof coupling making use of a magnetically operated switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/6205—Two-part coupling devices held in engagement by a magnet
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/648—Protective earth or shield arrangements on coupling devices, e.g. anti-static shielding  
    • H01R13/6485—Electrostatic discharge protection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts

Definitions

  • the present invention relates to an electrical outlet assembly.
  • the electrical outlet assembly includes a base and an electrical plug intended to be fitted to the base. The association of the plug and the base is carried out by magnetic effect.
  • the patent application WO2012032230A1 describes an electrical outlet assembly comprising a base and an electrical plug adapted to fit on the base.
  • the plug has two electrical tracks intended to be electrically connected to two electrical contacts of the base.
  • the two electrical contacts have the particularity of moving between a retracted position inside the base and a position outside the base so as to prevent any access to the contacts when the device to be connected is not in use.
  • magnetic control means comprising a permanent magnet integrated in the plug and a mobile magnetic element housed in the base and integral with the electrical contacts, allow the electrical contacts to be extracted from the base and their connection to electric tracks.
  • a mechanical spring system reposition the movable mechanism inside the base.
  • the current flowing between the plug and the base creates an electric arc that can last up to 10ms.
  • these electric arcs tend to wear out and degrade materially and visually the areas of electrical connection between the plug and the base.
  • the patent US4156265 proposes a solution in which the electrical circuit is disconnected when a bulb is unscrewed from its base.
  • the solution consists in using a reed type microswitch, the control of which is carried out by the mechanical displacement of the bulb relative to the base.
  • this solution is not suitable for an electrical outlet assembly such as that described above where the withdrawal of the plug does not always follow an identical movement, this movement being able to be axial or carried out by pivoting relative to the base.
  • the document JP2007-73373 describes a connection solution employing an electromagnet which becomes energized when the plug and the socket are joined. In the event of a power cut, the electromagnet is no longer supplied and the plug is automatically disconnected from the base given that the electromagnet is no longer supplied. When the current is restored, the device is then no longer supplied, which avoids the risk of a short circuit.
  • FR 3 012 263 A1 discloses the features of the preamble of claim 1.
  • the aim of the invention is to provide a suitable solution on an electrical outlet assembly comprising a base and a plug to limit, or even avoid, any degradation of the electrical connection areas when the plug is separated from the base and this, regardless of the angle of withdrawal of the plug from the socket.
  • the solution of the invention is particularly suitable for a set of magnetically coupled electrical outlets in which the electrical contacts are extracted from the base by magnetic effect.
  • the processing unit comprises first means for monitoring the level of variation of magnetic flux with respect to a first threshold value.
  • the processing unit comprises second means for monitoring the level of flow with respect to a second threshold value.
  • the processing unit comprises a processing logic circuit arranged to applying a logic OR between a detection signal generated by the first monitoring means and a detection signal generated by the second monitoring means.
  • the disconnection means comprise an electromechanical relay connected to the supply circuit.
  • the base comprises a housing and the assembly comprises an electronic card housed in said housing, said electronic card comprising the processing unit and the measurement sensor.
  • the first magnetic part and / or the second magnetic part comprises at least one permanent magnet.
  • the measurement sensor is positioned in the circuit followed by the lines of a magnetic field generated by said permanent magnet.
  • the assembly comprises a ferromagnetic part arranged relative to the permanent magnet to channel its magnetic flux with a view to orienting it towards the measurement sensor.
  • Said ferromagnetic part is for example placed in direct contact with the permanent magnet.
  • the permanent magnet and the ferromagnetic part are for example housed in the housing of the base and the measurement sensor is fixed on this housing.
  • the electrical outlet assembly of the invention comprises a base 1 and an electrical plug 2 intended to fit on the base 1.
  • the base 1 comprises a plastic housing 10 intended for example to be embedded in a wall.
  • the base 1 has a front face 11 against which the electrical plug can fit.
  • the base also comprises a movable support 12 on which are fixed two first electrical contacts 120, 121.
  • the two first electrical contacts 120, 121 are connected to an electrical supply circuit 15 by means of electrical wires. conductors.
  • the base 1 also comprises a first movable magnetic part 13 integral in movement with the movable support 12 and arranged to move by magnetic effect between a first position and a second position.
  • a spring 14 positioned inside the housing 10 of the base is arranged to return the first magnetic part 13 to its first position when the magnetic effect required for extraction is no longer significant enough.
  • the first electrical contacts 120, 121 are retracted inside the base 1 and in the second position of the first magnetic part 13, the first electrical contacts 120, 121 are at the exterior of the base 1, passing through its front face 11.
  • the movable assembly formed by the support 12 and the magnetic part 13 comes into abutment, for example against a part of the housing 10.
  • the electrical plug 2 for its part comprises a plastic casing 20, having a front face 21 intended to bear against the front face 11 of the base 1, defining a junction plane P (defined vertically in the accompanying figures) between the base 1 and the plug 2.
  • the plug 2 further comprises two second electrical contacts 220, 221, for example two electrical tracks flush with its front face 21, intended to come into electrical contact with the two first electrical contacts 120, 121 of the base 1.
  • It also comprises a second magnetic part 23 fixed inside the case and intended to attract the first magnetic part 13 when the plug 2 is approached from the base 1 in order to extract the first electrical contacts 120, 121.
  • the two tracks electrics are circular in shape and positioned concentrically.
  • the first magnetic part and / or the second magnetic part comprises at least one permanent magnet so as to generate a magnetic flux between the two magnetic parts.
  • the first magnetic part 13 comprises for example a permanent magnet 130 of annular shape and the second magnetic part 23 comprises a permanent magnet 230 of annular shape.
  • the permanent magnet 130 and the ferromagnetic part 230 are intended to position themselves coaxially when the plug 2 is approached the base 1.
  • the permanent magnet 130 and the permanent magnet 203 are arranged so as to each have an air gap surface parallel to the junction plane.
  • the invention aims to prevent any occurrence of an electric arc in the electrical connection zones when the plug is separated from the base. It is necessary to detect this separation quickly.
  • the detection means comprise a sensor 3 for measuring the magnetic flux present between the plug and the base, the magnetic flux being maximum when the plug 2 is fitted on the base 1 and decreasing as the plug 2 is remote from the base 1.
  • the magnetic flux sensor 3 is judiciously positioned to best capture the magnetic flux ⁇ and its variation.
  • the measurement sensor 3 is positioned on the circuit traversed by the magnetic field lines L existing between the two magnetic parts 13, 23.
  • the measurement sensor 3 is fixed to the base 1.
  • the measurement sensor 3 is for example fixed to the outside of the housing 10 of the base.
  • the detection means may comprise a part 4 made of ferromagnetic material arranged to channel the magnetic flux coming from the permanent magnet positioned in the base to the measurement sensor 3.
  • the figure 2 schematically represents the principle of the channeling of the magnetic flux ⁇ using a ferromagnetic part 4 and the positioning of the sensor 3 to capture this magnetic flux.
  • This ferromagnetic part 4 makes it possible to channel the flux at the outlet of the magnet and therefore to provide the sensor 3 with a more constant flux of a sufficiently high intensity to be captured.
  • This part 4 has a high relative permeability, which channels the flow well.
  • the large difference in permeability between this ferromagnetic part and the air has the consequence of obtaining flow lines very perpendicular to the output face of the flux on the ferromagnetic part 4.
  • the ferromagnetic part 4 is housed in the base 1. It has for example an annular shape. It is for example fixed against the face of the permanent magnet 130 which is opposite to its air gap surface.
  • the detection means comprise a processing unit 5 comprising at least one input intended to receive analog measurement data coming from the magnetic flux measurement sensor 3 and at least one output to which the processing unit 5 is capable of generate a disconnection control signal SIG.
  • the processing unit 5 notably comprises means for monitoring the variation in the measured magnetic flux. When the variation in flow becomes less than a threshold value S1, the processing unit 5 is arranged to generate the disconnection control signal SIG intended for the disconnection means 8.
  • the monitoring means comprise means 50 for determining the flux variation by calculation of the derivative of the magnetic flux curve and a comparator 51 receiving as input the calculated derivative and a threshold value S1 to determine said disconnection control signal SIG.
  • the monitoring means are for example produced in the form of an electronic circuit with discrete components.
  • the monitoring means could include a microcontroller processing the measurement data digitally.
  • the detection means also comprise a processing unit 5 comprising at least one input intended to receive analog measurement data coming from the magnetic flux measurement sensor 3 and at least one output to which the processing unit 5 is capable to generate a disconnection control signal SIG.
  • This processing unit 5 is provided with first means for monitoring the variation of magnetic flux such as those described above in connection with the first variant embodiment and with second means for monitoring the level of magnetic flux.
  • These second monitoring means comprise for example a comparator 61 receiving as input the measurement data of the flow coming from the measurement sensor 3 and a threshold value S2 necessary for the comparison. When the level of flow drops below the threshold value S2, the monitoring means generate a detection signal SIG_D2.
  • the processing unit 5 comprises a logic processing circuit 7 arranged to receive a first detection signal SIG_D1 originating from the first monitoring means and / or a second detection signal SIG_D2 originating from the second monitoring means. surveillance.
  • the logic processing circuit 7 implements a logic OR to generate the disconnection control signal SIG intended for disconnection means when receiving the first detection signal SIG_D1 and / or the second detection signal SIG_D2.
  • the disconnection means 8 are controlled on receipt of the disconnection control signal SIG coming from the processing unit 5. They comprise for example an electromechanical relay connected in series on the electrical supply circuit connected to the devices. electrical contacts of the base. Advantageously, they can also include a freewheeling diode connected in parallel with the winding of the electromechanical relay and possibly a resistor connected in series with the freewheeling diode to improve the reaction time of the electromechanical relay.
  • the disconnection means, in particular the electromechanical relay are for example produced on an electronic card housed in the housing (10) of the base. This electronic card can be identical to that accommodating the detection means described above.
  • the electric power supply circuit 15 comprises for example two terminals connected to the electromechanical relay.
  • the curves shown on the figure 4 illustrate the detection of separation both by the level of variation of the magnetic flux and by the variation of the level of magnetic flux. It will be understood that the disconnection control signal SIG goes high when the level of flow drops below the threshold value S2 and / or when the variation of flow falls below the threshold value S1.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Claims (10)

  1. Elektrische Steckdosenanordnung, die Folgendes umfasst:
    - einen Sockel (1), der Folgendes beinhaltet: mindestens zwei erste elektrische Kontakte (120, 121), die mit einer elektrischen Versorgungsschaltung verbunden sind, einen ersten magnetischen Abschnitt (13), der zusammen mit den zwei ersten elektrischen Kontakten bewegbar ist, wobei der erste magnetische Abschnitt (13) angeordnet ist, um sich durch magnetische Einwirkung zwischen einer ersten Position, in der die ersten elektrischen Kontakte (120, 121) in das Innere des Sockels (1) zurückgezogen sind, und einer zweiten Position, in der sich die ersten elektrischen Kontakte (120, 121) außerhalb des Sockels (1) befinden, zu verschieben,
    - einen Stecker (2), der dazu bestimmt ist, mit dem Sockel gekoppelt zu werden, und der Folgendes beinhaltet: zwei zweite elektrische Kontakte (220, 221), die dazu bestimmt sind, sich mit den zwei ersten elektrischen Kontakten (120, 121) elektrisch zu verbinden, wenn sich diese außerhalb des Sockels (1) befinden, und einen zweiten magnetischen Abschnitt (23), der, wenn der Stecker mit dem Sockel gekoppelt ist, gegenüber dem ersten magnetischen Abschnitt (13) angeordnet ist, um den ersten magnetischen Abschnitt (13) durch magnetische Einwirkung in seine zweite Position zu verschieben und so die ersten elektrischen Kontakte (120, 121) nach außerhalb des Sockels zu führen,
    dadurch gekennzeichnet, dass:
    - die Anordnung Folgendes umfasst: Detektionsmittel, die einen Magnetflusssensor (3) beinhalten, der angeordnet ist, um den zwischen den zwei magnetischen Abschnitten verlaufenden Magnetfluss zu messen, eine Verarbeitungseinheit (5), die angeordnet ist, um Magnetflussdaten von dem Magnetflusssensor zu empfangen und ein Steuersignal (SIG) zu erzeugen, wenn der Stecker von dem Sockel getrennt ist,
    - Trennmittel (8), die mit den Detektionsmitteln zusammenwirken und angeordnet sind, um die Versorgungsschaltung zu trennen, wenn das Steuersignal (SIG) von der Verarbeitungseinheit empfangen wird.
  2. Anordnung nach Anspruch 1, dadurch gekennzeichnet, dass die Verarbeitungseinheit (5) erste Mittel zur Überwachung des Ausmaßes der Änderung des magnetischen Flusses im Verhältnis zu einem ersten Schwellenwert (S1) umfasst.
  3. Anordnung nach Anspruch 2, dadurch gekennzeichnet, dass die Verarbeitungseinheit (5) zweite Mittel zur Überwachung des Ausmaßes der Änderung des Flusses im Verhältnis zu einem zweiten Schwellenwert (S2) umfasst.
  4. Anordnung nach Anspruch 3, dadurch gekennzeichnet, dass die Verarbeitungseinheit (5) eine logische Verarbeitungsschaltung (7) umfasst, die angeordnet ist, um zwischen einem Detektionssignal (SIG_D1), das durch die ersten Überwachungsmittel erzeugt wird, und einem Detektionssignal (SIG_D2), das durch die zweiten Überwachungsmittel erzeugt wird, ein logisches ODER anzulegen.
  5. Anordnung nach einem der Ansprüche 1 bis 4, dadurch gekennzeichnet, dass die Trennmittel (8) ein elektromagnetisches Relais umfassen, das mit der Versorgungsschaltung (15) verbunden ist.
  6. Anordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass der erste magnetische Abschnitt und/oder der zweite magnetische Abschnitt mindestens einen Dauermagneten (130) umfassen.
  7. Anordnung nach Anspruch 6, dadurch gekennzeichnet, dass der Sensor (3) in dem Kreis positioniert ist, dem die Linien eines Magnetfelds, das durch den Dauermagneten (130) erzeugt wird, folgen.
  8. Anordnung nach Anspruch 7, dadurch gekennzeichnet, dass sie ein ferromagnetisches Teil (4) umfasst, das in Bezug auf den Dauermagneten (130) so angeordnet ist, dass dessen Magnetfluss umgelenkt wird, um ihn zu dem Sensor (3) hin zu führen.
  9. Anordnung nach Anspruch 8, dadurch gekennzeichnet, dass der Sockel (1) einen Kasten umfasst und dass sie eine in dem Kasten untergebrachte elektronische Karte umfasst, wobei die elektronische Karte die Verarbeitungseinheit (5) und den Sensor (3) umfasst.
  10. Anordnung nach Anspruch 9, dadurch gekennzeichnet, dass der Dauermagnet (130) und das ferromagnetische Teil (4) in dem Kasten (10) des Sockels untergebracht sind.
EP16742372.2A 2015-07-10 2016-07-04 Elektrische steckdosenanordnung mit elektrischer trennlösung Active EP3320585B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1556579A FR3038781B1 (fr) 2015-07-10 2015-07-10 Ensemble de prise electrique avec solution de deconnexion electrique
PCT/FR2016/051691 WO2017009539A1 (fr) 2015-07-10 2016-07-04 Ensemble de prise électrique avec solution de déconnexion électrique

Publications (2)

Publication Number Publication Date
EP3320585A1 EP3320585A1 (de) 2018-05-16
EP3320585B1 true EP3320585B1 (de) 2020-10-14

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EP16742372.2A Active EP3320585B1 (de) 2015-07-10 2016-07-04 Elektrische steckdosenanordnung mit elektrischer trennlösung

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Country Link
US (1) US10122116B2 (de)
EP (1) EP3320585B1 (de)
JP (1) JP6785834B2 (de)
KR (1) KR20180050287A (de)
CN (1) CN108140996B (de)
BR (1) BR112018000391A2 (de)
ES (1) ES2839883T3 (de)
FR (1) FR3038781B1 (de)
HK (1) HK1250845A1 (de)
WO (1) WO2017009539A1 (de)

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Publication number Publication date
BR112018000391A2 (pt) 2018-09-18
JP2018521477A (ja) 2018-08-02
JP6785834B2 (ja) 2020-11-18
WO2017009539A1 (fr) 2017-01-19
HK1250845A1 (zh) 2019-01-11
FR3038781A1 (fr) 2017-01-13
US20180198232A1 (en) 2018-07-12
KR20180050287A (ko) 2018-05-14
CN108140996B (zh) 2020-06-02
CN108140996A (zh) 2018-06-08
EP3320585A1 (de) 2018-05-16
ES2839883T3 (es) 2021-07-06
FR3038781B1 (fr) 2017-07-28
US10122116B2 (en) 2018-11-06

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