EP2144339A1 - Unité de prise électrique et unité de bouton poussoir - Google Patents

Unité de prise électrique et unité de bouton poussoir Download PDF

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Publication number
EP2144339A1
EP2144339A1 EP09163709A EP09163709A EP2144339A1 EP 2144339 A1 EP2144339 A1 EP 2144339A1 EP 09163709 A EP09163709 A EP 09163709A EP 09163709 A EP09163709 A EP 09163709A EP 2144339 A1 EP2144339 A1 EP 2144339A1
Authority
EP
European Patent Office
Prior art keywords
switch
socket
unit
plug
contact
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.)
Withdrawn
Application number
EP09163709A
Other languages
German (de)
English (en)
Inventor
Bernhard Bauer
Georg Luber
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of EP2144339A1 publication Critical patent/EP2144339A1/fr
Withdrawn legal-status Critical Current

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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
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall
    • 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
    • H01R13/7038—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 remote controlled switch, e.g. relais, solid state switch activated by the engagement of the coupling parts
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6675—Structural association with built-in electrical component with built-in electronic circuit with built-in power supply
    • 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
    • H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
    • H01R13/6683—Structural association with built-in electrical component with built-in electronic circuit with built-in sensor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2103/00—Two poles

Definitions

  • the invention relates to a socket unit. It also relates to a push-button switch unit. Finally, it relates to a building or building part with a socket unit according to the invention and / or a push-button switch unit according to the invention.
  • the invention relates to the field of DC installations.
  • the power supply units and pushbutton switch units provided in everyday life are connected in a building or building part to an alternating voltage network.
  • DC installations are currently only available in special applications, eg. In data centers.
  • Novel energy sources such as photovoltaic energy sources and fuel cells generate a DC voltage or a direct current.
  • On the consumer side there are increasingly devices that are operated with DC voltage, z.
  • Problematic components are the sockets or socket units and pushbutton or pushbutton units. In a direct voltage network, arcs can generally occur in such units, in particular if the units are constructed as in the case of alternating voltage networks.
  • the object is achieved by a socket unit with the features according to claim 1 and a push-button switch unit with the features according to claim 12.
  • the invention also includes a building or building part according to claim 13, that is to say with a socket unit according to the invention and / or a push-button switch unit.
  • the socket unit thus comprises a socket, which has a first and a second contact socket, into which pins of a plug can be inserted, so that in the entire socket a plug with two pins can be inserted.
  • the socket unit comprises a first and a second input terminal. These serve to connect the socket unit with a DC voltage network.
  • the first input terminal is connected via a first line to the first contact socket and the second input terminal is connected via a second line to the second contact socket.
  • a switch is arranged, can be made by the connection between the respective input terminal and the respective contact socket or reversed can be reversed. The switch is closed by plugging a plug into the socket and / or opened by pulling a plug from the socket.
  • the switch will open. Once the plug is plugged into the outlet a certain distance, then the switch or will Switch closed.
  • the positions in the sockets may correspond to depths of penetration of the pins of the connector into the respective contact socket.
  • the switch in an early phase of the insertion process, the switch is open and is closed only by continuing the insertion process. Conversely, the switch is opened in an early phase when pulling out the plug and the process can be continued while the switch is open. This ensures that the insertion of the plug or the pulling out of the plug is not accompanied by arcing or at least not accompanied by such arcing, which is so durable that an operator who inserts the plug or pulls out, is at risk or a contact erosion occurs ,
  • a sensor can be arranged in or on at least one contact socket of the socket, which detects whether a pin up to a predetermined depth in the Contact socket is plugged or plugged.
  • the sensor should be followed by an evaluation and control unit, which is designed to effect a closure or opening of the switch in response to such detection.
  • the plug can then be plugged into the socket until the pin has reached the predetermined depth. Only then the switch is closed and the contact sockets are energized.
  • the predetermined depth preferably corresponds to the end position of the pin, whereby a secure contact between socket and pin is ensured at the switching time of the switching.
  • the contact socket can be made slightly longer in the socket unit according to the invention as a contact sockets with power strip units, which are provided for AC power grids.
  • the predetermined depth may be selected to be the pins of a plug intended for AC grids do not reach. As a result, it can be ensured that a device designed for alternating voltage is not erroneously connected to the direct voltage network.
  • the contact socket and the associated plug for the DC power grid can have a larger diameter than conventional plugs, so that devices that are intended for connection to a DC power network, not even plugged into an outlet that is connected to an AC power.
  • the senor can be configured as a sensor, a light barrier device, ie a unit of transmitter and receiver and evaluation unit, whether the light emitted by the transmitter light impinges on the receiver.
  • the sensor can also work capacitively (be a capacitive sensor).
  • each switch comprises a transistor which can be switched by an evaluation and control unit.
  • the control input of the transistor or the gate should be coupled to the evaluation and control unit.
  • Each switch may be part of a switch unit having integrated overload protection.
  • each switch may be part of a switch unit having a diagnostic unit for checking the operability of the switch.
  • the information of the diagnostic unit may be provided in some form to the user, for example an LED may light up when the respective switch is not functional, or the data may be transmitted via a bus to a building control unit.
  • a power loss of z. 1 W per switch at 10 A load current and 10 m ⁇ switch-on resistance.
  • the heat occurring at this power loss can be optimally dissipated to the environment that thermally particularly good conductive switch boxes (housing for the socket) are used.
  • thermally particularly good conductive switch boxes housing for the socket
  • aluminum die-cast switch boxes or switch boxes made of thermally highly conductive plastic are highly thermally conductive.
  • the electronic component should be well thermally connected to the switch box.
  • the presence of the switch or switches can be advantageously used to provide a dimming function. This is made possible when a control unit is provided which is designed to effect an alternating switching on and off of at least one of the switches.
  • the duty cycle between the switch-on length and switch-off length determines the transmitted power and therefore the brightness of a light source connected to the socket unit with a suitable choice of the same.
  • the control unit can with a Actuating be coupled such as a rotary switch for dimming.
  • transistors In addition to transistors and electromagnetically operated switches can be used. Such switches are less sensitive than transistors. Conversely, transistors have the advantage that they are cheaper and more compact.
  • an electronic switch at the closing of each switch of the in a line between an input terminal and a Contact socket arranged switch is also closed. It may be provided at the end of the contact socket, a micro-switch. Both the embodiment with the sensor, so also with the micro-switch can work reliably, the degree of reliability depends on the value and thus the price of the components used. The desired reliability and the desired price may determine when the embodiment is used with the sensor and when with the electronic switch.
  • the socket may comprise a mechanism which is actuated upon insertion and disengagement of a plug and thereby causes a closing or opening of each switch arranged in a line between an input terminal and a contact socket switch.
  • the plug must be turned slightly when inserting before the pins can be inserted into contact sockets. Actuation of the switch may then be coupled to the rotation.
  • a rotation possibly including the contact sockets
  • the key switch unit comprises a key and a switch arranged in a line between a first input terminal and a second input terminal, which can be closed by the key by the key is moved from an open position to a closed position.
  • the switch can be opened by the button by the key is moved from the closed position to the open position, wherein the actuation of the key is not mechanical, but via a signal output, an opening or closing of the switch is effected.
  • the pushbutton switch unit can be connected or connected to a direct current network via said input terminals. In a second line, a second such switch can be arranged.
  • the button is a rocker switch on a push button. Then, the rocker switch can first be tilted at a predetermined angle, without the switch is closed, and only when it has reached an end position or just reached, the switch is opened.
  • the preferred embodiments of the socket unit can also be implemented analogously in the pushbutton switch unit according to the invention.
  • an extension can be arranged on a rocker switch, which cooperates with other elements as do the pins of the plug when inserting such into the socket unit according to the invention.
  • the projection can reach the detection range of a sensor when tilting the rocker switch, which actuates the switch.
  • the extension can also operate a microswitch.
  • the socket unit according to the invention and the push-button switch unit according to the invention find their preferred application, in particular also a plurality of such socket units and push-button switch units.
  • the socket unit has an input terminal 20a and an input terminal 20b.
  • the input terminal 20a is connected to the contact socket 12a via a line 22a
  • the input terminal 20b is connected to the contact socket 12b via a line 22b.
  • a switch unit 24a, 24b is arranged in each case.
  • the switch units 24a and 24b comprise a MOSFET 26a and 26b as a switch, which represents the actual arranged in the line 22a and 22b element.
  • the switch units 24a and 24b may be switch units known per se from the automotive industry in the DC voltage networks provided there, which optionally adjusted in their voltage design. They are supplied with a supply voltage of 5 V in the present case.
  • the supply voltage VCC 5V and the reference voltage RESET are provided by a power supply unit 28 coupled to an input terminal 20b.
  • a diagnosis can be made via a voltage drop across the switches 26a and 26b, for which purpose the symbol "D" is shown symbolically behind a resistor 30a or 30b.
  • the switch units 24a and 24b can thus perform a self-diagnosis as to whether the MOSFET 26a or 26b is functional.
  • a LED driver 32 is activated via a control output, also denoted by D, which ensures that an LED 34 lights up.
  • the LED driver 32 is also supplied by the power supply unit 28 with voltage.
  • a diagnostic result can be transmitted to a bus 36 via a serial interface 35. It may be a bus 36 installed in the building in which the socket unit 10 is used, which is coupled to a central control unit (not shown) in the building so that it knows which switch 24a and 24b is inoperative ,
  • a sensor 38 is arranged in the contact socket 12b, which may be formed, for example, as a light barrier sensor.
  • the sensor 38 is followed by an evaluation unit 40, which is also powered by the power supply unit 28 with power.
  • the sensor 38 is detected when the pin 14b the region of the contact socket Has reached 12b, in which the sensor 38 is arranged, in the present case is fully inserted. If the sensor 38 detects that a pin 14b is plugged in, the MOSFETs 26a and 26b are to be switched through, because the insertion process is ended and the previously opened switch units 24a and 24b can be closed.
  • the control and evaluation unit 40 which receives and evaluates the measuring signals of the sensor 38, is coupled to the gates 42a and 42b of the MOSFETs 26a and 26b, respectively. In the case of the MOSFET 26a, a charge pump 44 is interposed therebetween.
  • the evaluation and control unit 40 causes the switches in the switch units 24a and 24b to be closed.
  • the DC voltage is applied to the contact sockets 12a and 12b and via these to the pins 14a and 14b.
  • the process is reversed: it is detected by the sensor 38 that the pin 14b is no longer in the contact socket 12b, and by the evaluation and control unit 40, the MOSFETs 26a and 26b are opened again.
  • the contact sockets 12a and 12b may be configured as in a conventional, provided for AC mains socket, preferably they are designed slightly deeper, so that the sensor 38 is located at a position which is not reached by a contact pin of a conventional plug.
  • the pins 14a and 14b are then formed longer than in a conventional connector. You can have a larger diameter than conventional plugs, so that the plug 16 is not plugged into a conventional outlet. Otherwise, however, all known in the design of sockets for AC grids techniques can be used.
  • FIG. 2 An alternative embodiment of a socket unit is in Fig. 2 shown schematically and designated 10 '. Identical components or elements are hereby given the same reference numbers as in FIG Fig. 1 Mistake.
  • the socket unit 10 'off Fig. 2 For example, instead of the transistors 26a and 26b from the socket unit 10, conventional relay contacts 46a, 46b suitable for use in DC applications are used, which are opened and closed by use of a relay coil 48 so as to form a relay together with it.
  • the relay operates when an internal switch 50 of the sensor 38 downstream control and evaluation unit 52, which in the present case takes the place of the control and evaluation unit 40, is closed.
  • the relay 48 in this case a freewheeling diode 54 is connected in parallel.
  • Relay 48 and switch 50 are arranged in a connection line 56 between the lines 22a and 22b, so that a conventional direct current flows.
  • the control and evaluation unit 52 is coupled to the line 22a and is thus supplied with operating voltage.
  • the socket unit 10 'differs from the socket unit 10 only in the design of the switch, but not in the basic operation. Thus, an arc is effectively suppressed here, as long as the plug 16 is inserted or withdrawn.
  • the senor 38 can be replaced by a micro switch, which is closed when inserting the pin 14b.
  • an auxiliary circuit can be closed, and its closing can be detected by the control and evaluation unit 40 or 52.
  • the micro-switch can also replace the switch 50 directly.
  • the sensor 38 or a microswitch is arranged in the socket units 10 and 10 'only in the contact socket 12b. It is assumed here that the pin 14a is inserted simultaneously with the pin 14b, so that it is possible to dispense with a second sensor or second microswitch.
  • two switch units 24a, 24b or two switches 46a, 46b are operated simultaneously. In principle, embodiments are conceivable in which only one switch unit 24a or one switch 46a is provided, in particular if an input connection 20b is connected directly to ground.
  • the embodiment with two switch units 24a, 24b or two switches 46a, 46b has the advantage that it still works when one of the respective switch units or one of the respective switch fails, there is the so-called Einêtredundanz given.
  • Fig. 3 schematically shows a designated overall as 58 Tastschalteriser.
  • the key switch unit 58 are associated with lines 60 and 62.
  • switches 64 and 66 are arranged, in this case MOSFETs.
  • MOSFETs MOSFETs
  • the key switch unit 58 has a conventional key 68. This can be pivoted according to the arrow 70. In the present case, no element is arranged on the key 68, which immediately closes a contact. Instead, an extension 72 is arranged on the button 68.
  • the extension 72 By pivoting the button 68 according to the arrow 70, the extension 72 is moved to the key 68 in the region of a sensor 74.
  • the sensor 74 is in communication with a control and evaluation unit 76, which controls the switches 64 and 66. Only when the projection 72 has reached the sensor 74, close the switches 64 and 66.
  • the push-button unit 58 according to Fig. 3 corresponds to the extension 72 in its function exactly the pin 14b in the socket unit 10 and 10 'from Fig. 1 respectively.
  • Fig. 2 The switches 64 and 66 may differ from the present illustration by a relay as in the socket unit 10 'off Fig. 2 be actuated, it is just as possible, switch units on the type of switch units 24a and 24b provide.
  • the key switch unit 58 also has the one-shot redundancy because two switches 64 and 66 are provided.
  • the socket units 10 and 10 'as well as the push-button unit 58 are intended for use in a building or part of a building such as a flat or a single wall.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
EP09163709A 2008-07-11 2009-06-25 Unité de prise électrique et unité de bouton poussoir Withdrawn EP2144339A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200810032746 DE102008032746A1 (de) 2008-07-11 2008-07-11 Steckdoseneinheit und Tastschaltereinheit

Publications (1)

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EP2144339A1 true EP2144339A1 (fr) 2010-01-13

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EP09163709A Withdrawn EP2144339A1 (fr) 2008-07-11 2009-06-25 Unité de prise électrique et unité de bouton poussoir

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DE (1) DE102008032746A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2369693A1 (fr) * 2010-03-26 2011-09-28 GIRA GIERSIEPEN GmbH & Co. KG Connecteur à douille d'une couverture de prise de courant
WO2013020626A1 (fr) * 2011-08-10 2013-02-14 Ellenberger & Poensgen Gmbh Système mécatronique de connexion enfichable
GB2573778A (en) * 2018-05-16 2019-11-20 Eaton Intelligent Power Ltd Plug-socket-system with arc avoiding means
US20220190528A1 (en) * 2020-12-15 2022-06-16 Cisco Technology, Inc. Electrical connector with integrated electronic controlled power switch or circuit breaker safety device

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10673225B2 (en) * 2015-09-24 2020-06-02 Brainwave Research Corporation Electrical receptacle fault protection

Citations (10)

* Cited by examiner, † Cited by third party
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DE1001604B (de) 1954-04-15 1957-01-24 Till Beck Geschlossener selbsttragender Wagenkasten fuer tuerlose Personenkraftwagen
DE1091604B (de) * 1954-12-31 1960-10-27 Theodor Kiepe Elektrotechnisch Handbetaetigte Steckkupplung fuer Gleichstrom-Triebfahrzeuge
DE1964443A1 (de) 1969-12-23 1971-07-01 Heinrich Kaempgen Sicherheitssteckdose
DE2643668A1 (de) 1976-09-28 1978-03-30 Busch Geb Schmid Therese Sicherheitssteckdose
EP0152646A1 (fr) 1984-02-10 1985-08-28 Volpi Ag Prise de courant de sécurité
US6183264B1 (en) 1999-07-19 2001-02-06 HARSáNYI EDUARDO G. Safety receptacle for electrical outlets
JP2005294080A (ja) 2004-03-31 2005-10-20 Shindengen Electric Mfg Co Ltd 直流コンセント
US7213932B1 (en) * 2003-01-09 2007-05-08 Pass & Seymour, Inc. Electrical device with lamp module
WO2007072581A1 (fr) 2005-12-22 2007-06-28 Matsushita Electric Works, Ltd. Prises et fiches electriques ameliorees a activation et desactivation d'alimentation locales
US20080160810A1 (en) 2006-12-27 2008-07-03 Thomas Wilmer Ferguson Electrically safe receptacle

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FR2122316A1 (fr) * 1971-01-20 1972-09-01 Terzariol Edgard Rene Prise de courant de securite
FR2271714B1 (fr) * 1973-11-22 1976-10-01 France Etat
IL81642A0 (en) * 1987-02-23 1987-09-16 Joseph Ganot Electrical plug and socket combination
JPH08185757A (ja) * 1994-12-27 1996-07-16 Matsushita Electric Works Ltd スイッチ
DE19722922A1 (de) * 1997-05-31 1998-12-03 Lufthansa Technik Ag Spannungsversorgungsvorrichtung
US6176718B1 (en) * 1998-12-31 2001-01-23 Power-Off Products, Llc Adaptive/reactive safety plug receptacle
JP3819300B2 (ja) * 2002-01-08 2006-09-06 日本電信電話株式会社 直流コンセント
ITMI20051520A1 (it) * 2005-08-02 2007-02-03 Diemme S R L Presa di corrente elettrica di sicurezza

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1001604B (de) 1954-04-15 1957-01-24 Till Beck Geschlossener selbsttragender Wagenkasten fuer tuerlose Personenkraftwagen
DE1091604B (de) * 1954-12-31 1960-10-27 Theodor Kiepe Elektrotechnisch Handbetaetigte Steckkupplung fuer Gleichstrom-Triebfahrzeuge
DE1964443A1 (de) 1969-12-23 1971-07-01 Heinrich Kaempgen Sicherheitssteckdose
DE2643668A1 (de) 1976-09-28 1978-03-30 Busch Geb Schmid Therese Sicherheitssteckdose
EP0152646A1 (fr) 1984-02-10 1985-08-28 Volpi Ag Prise de courant de sécurité
US6183264B1 (en) 1999-07-19 2001-02-06 HARSáNYI EDUARDO G. Safety receptacle for electrical outlets
US7213932B1 (en) * 2003-01-09 2007-05-08 Pass & Seymour, Inc. Electrical device with lamp module
JP2005294080A (ja) 2004-03-31 2005-10-20 Shindengen Electric Mfg Co Ltd 直流コンセント
WO2007072581A1 (fr) 2005-12-22 2007-06-28 Matsushita Electric Works, Ltd. Prises et fiches electriques ameliorees a activation et desactivation d'alimentation locales
US20080160810A1 (en) 2006-12-27 2008-07-03 Thomas Wilmer Ferguson Electrically safe receptacle

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP2369693A1 (fr) * 2010-03-26 2011-09-28 GIRA GIERSIEPEN GmbH & Co. KG Connecteur à douille d'une couverture de prise de courant
WO2013020626A1 (fr) * 2011-08-10 2013-02-14 Ellenberger & Poensgen Gmbh Système mécatronique de connexion enfichable
CN103748747A (zh) * 2011-08-10 2014-04-23 埃伦贝格尔及珀恩斯根有限公司 机电一体式插塞连接器系统
CN103748747B (zh) * 2011-08-10 2016-10-19 埃伦贝格尔及珀恩斯根有限公司 机电一体式插塞连接器系统
US9478917B2 (en) 2011-08-10 2016-10-25 Ellenberger & Poensgen Gmbh Mechatronic plug-in connector system
GB2573778A (en) * 2018-05-16 2019-11-20 Eaton Intelligent Power Ltd Plug-socket-system with arc avoiding means
US20220190528A1 (en) * 2020-12-15 2022-06-16 Cisco Technology, Inc. Electrical connector with integrated electronic controlled power switch or circuit breaker safety device
WO2022132553A1 (fr) * 2020-12-15 2022-06-23 Cisco Technology, Inc. Appareil comprenant une prise femelle à commutation électronique et procédé correspondant
US11831109B2 (en) 2020-12-15 2023-11-28 Cisco Technology, Inc. Electrical connector with integrated electronic controlled power switch or circuit breaker safety device

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