WO2022207061A1 - Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif - Google Patents

Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif Download PDF

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Publication number
WO2022207061A1
WO2022207061A1 PCT/EP2021/058104 EP2021058104W WO2022207061A1 WO 2022207061 A1 WO2022207061 A1 WO 2022207061A1 EP 2021058104 W EP2021058104 W EP 2021058104W WO 2022207061 A1 WO2022207061 A1 WO 2022207061A1
Authority
WO
WIPO (PCT)
Prior art keywords
socket
electrical switch
shape
actuator
plug
Prior art date
Application number
PCT/EP2021/058104
Other languages
German (de)
English (en)
Inventor
Alexander Fanderl
Ekkehard Plechinger
Original Assignee
Siemens Aktiengesellschaft
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 Aktiengesellschaft filed Critical Siemens Aktiengesellschaft
Priority to PCT/EP2021/058104 priority Critical patent/WO2022207061A1/fr
Priority to DE112021006966.7T priority patent/DE112021006966A5/de
Publication of WO2022207061A1 publication Critical patent/WO2022207061A1/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
    • H02B1/015—Boards, panels, desks; Parts thereof or accessories therefor
    • H02B1/04—Mounting thereon of switches or of other devices in general, the switch or device having, or being without, casing
    • H02B1/056—Mounting on plugboards
    • H02B1/0565—Mounting on plugboards by means of an adapter carrying one or more apparatuses

Definitions

  • the invention relates to a device for ejecting an electrical switch from a socket, a socket with such a device and an electrical switch with such a device.
  • the main task of today's circuit breakers is to connect or disconnect current and voltage from a system section, as well as to automatically trip the circuit breaker in the event of an overload or a short circuit.
  • circuit breakers In order to be able to replace circuit breakers quickly and without lengthy system downtimes in the event of maintenance or repairs, they are typically installed in plug-in bases into which the switch can be inserted and removed as quickly as possible and without wiring the switch.
  • pin contacts are screwed onto the back of the circuit breakers, for example 6 pin contacts in the case of a three-pole switch or 8 pin contacts in the case of a four-pole switch.
  • plug-in socket Plug In, PI
  • the sum of the insertion forces of all 6 to 8 plug contacts must be applied by hand, for example, the same applies when pulling the switch that the sum of the pulling forces of all 6 or 8 plug contacts must be applied.
  • this object is achieved by the device for ejecting an electrical switch from a socket according to claim 1 .
  • Advantageous configurations of the device according to the invention are specified in dependent claims 2 and 3.
  • the object is also achieved according to the invention by the socket according to patent claim 4 .
  • Advantageous configurations of the socket according to the invention are specified in the dependent claims 5 to 9.
  • the object is also achieved according to the invention by the electrical switch according to patent claim 10 .
  • the device for ejecting an electrical switch from a socket comprises at least a first actuator with a first shape and a second shape, the device device is arranged so that the electrical switch can be plugged into the socket when the at least one first actuator assumes its first shape and transition from the first shape to the second shape of the ejecting the plugged electrical switch from the socket by at least a first actuator, the first actuator being a shape memory alloy actuator.
  • the advantage here is that the electrical switch can be pulled out of the plug-in base without the use of force.
  • the device according to the invention also made it possible to move the switch out of the socket from a remote control room.
  • the at least one first actuator is not energized by the connection cable in its first shape, and the at least one first actuator is energized by the connection cable in its second shape, or vice versa.
  • the device comprises a second actuator with a first shape and a second shape, with the electrical switch inserted in the plug-in base being drawn into the plug-in base when the second actuator transitions from the first shape to the second shape , and wherein the second actuator is a shape memory alloy actuator.
  • the electrical switch can be drawn into the plug-in base automatically and without power.
  • the object of the invention is also achieved by the plug-in socket with a device according to the invention according to Pa tent claim 4, wherein the device is arranged in the plug-in socket at the top of the plug-in socket.
  • the device according to the invention is arranged in a separate housing between the plug-in base according to the invention and the electrical switch.
  • this includes lateral projections in which the device is housed.
  • the electrical switch has a projection which interacts with the actuators to pull in and eject the electrical switch.
  • the first actuator and the second actuator are band-shaped between attachment points.
  • the plug-in base has plug-in contacts that interact with pin contacts of the electrical switch for electrical contacting of the plugged-in electrical switch.
  • the object of the invention is also achieved by the electrical switch's according to claim 10, wherein he device according to the invention in the electrical switch is arranged in Rich direction of the top of the socket.
  • 3A and 3B device according to the invention between the plug-in base and the electrical switch with the electrical switch being retracted and the electrical switch being ejected;
  • FIG. 1A shows a typical socket 200 for an electrical switch 1000 (Plug In, PI).
  • the electrical switch 1000 is plugged into the plug-in base 200, to replace the electrical switch 1000 in the event of maintenance or repairs, it can be pulled out by hand. In this case, the sum of the pulling forces of all plug contacts not shown in FIG. 1A must be applied.
  • FIG. 1B shows an electrical switch 1000 in a crank mechanism socket 200 (Plug In/Draw Out, PI/DO).
  • the socket 200 comprises lateral projections 211; 212, in which there is a crank mechanism, with the help of which the electrical switch 1000 is plugged in or pulled out.
  • This spa mechanism which is intended for larger assemblies, enables the sum of the insertion and withdrawal forces of all plug contacts to be applied via translations or via the lever of the crank.
  • FIG. 2A shows the device 100 according to the invention for throwing an electrical switch 1000 out of a socket 200.
  • the electrical switch 1000 can be plugged into an upper side of the socket 200 and is thus electrically contacted.
  • the device 100 comprises at least one first actuator 110 with a first shape and with a second shape.
  • the first shape of the first actuator 110 is shown in FIG. 2A
  • the second shape of the first actuator 110 is as shown in FIG. 2B.
  • the device 100 is arranged in such a way that the electrical switch 1000 can be plugged into the socket 200 when the at least one first actuator 110 assumes its first shape, as is shown in FIG. 2A.
  • the plugged-in electrical switch 1000 is ejected from the plug-in base 200. According to the illustrations in FIGS. 2A and 2B, this means that the plugged-in switch 1000 is pushed out of the socket 200 by the first actuator 110 due to the change in shape from the first shape to the second shape.
  • the first actuator 110 is a shape memory alloy actuator that can assume a first shape and a second shape.
  • Shape memory alloys have the property that they can remember their original shape at a certain, higher temperature. This makes it possible to construct shape memory alloy actuators that are constrained to a different position or length at a low temperature. If these actuators are heated to this specific, higher temperature, which is set by the alloy components, these actuators suddenly resume their learned shape.
  • the shape memory alloys can be heated via the environment by means of a heating element, which means indirect heating, or by current flowing through the shape memory alloy itself, which corresponds to direct heating.
  • Shape memory alloy actuators can be configured as a wire that contracts at a higher temperature, a metal strip that buckles at the higher temperature, a cuboid that changes volume at the higher temperature, or an arbitrary shaped geometry that fits optimally into the intended Fits available space and which changes its expansion or volume in a specific, desired direction at the higher temperature.
  • connection cables 115; 116 are provided, which make it possible to energize the first actuator 110.
  • the first actuator 110 in its first shape through the connection cable 115; 116 not be energized and in its second shape by the connecting cable 115; 116 are energized.
  • a reverse procedure is also possible, in that the first actuator is energized in its first shape and not in its second shape.
  • By energizing the first actuator 110 is heated directly, it is also possible that the first actuator 110 by an associated heating element with connection cables 115; 116 is heated indirectly.
  • the electrical switch 1000 has pin contacts 1001; 1002 with plug contacts 201; 202 of the plug-in base 200 work together to make electrical contact with the plugged-in electrical switch 1000.
  • FIG. 2A shows how the plugged-in electrical switch 1000 with its pin contacts 1001; 1002 via the plug contacts 201; 202 of the socket 200 is electrically contacted.
  • the ejection or pulling of the electrical switch 1000 means that the electrical switch 1000 is moved upwards in accordance with the illustrations in FIGS. 2A and 2B, in the direction of the arrow in FIG. 2B.
  • After pulling the electrical switch 1000 are its pin contacts 1001; 1002 from the plug contacts 201; 202 des Socket 200 physically separated, an electrical contact is no longer given.
  • the device 100 according to the invention is arranged in the plug-in base 200 on the upper side of the plug-in base 200.
  • the device 100 according to the invention can also be arranged between the plug-in base 200 and the electrical switch 1000 in a separate housing 101, as is shown in FIGS. 3A and 3B.
  • the electrical switch 1000 includes longer pin contacts 1001; 1002, which can dip through the device according to the invention Vorrich 100 and its housing 101 up to the plug contacts 201; 202 of the socket 200.
  • the at least one actuator 110 in turn comprises a first shape and a second shape. When the first actuator 110 assumes a first shape, the electrical switch 1000 can be plugged in, as shown in FIG. 3A.
  • the plugged-in electrical switch 1000 is ejected from the socket 200 socket.
  • the pin contacts 1001; 1002 of the electrical switch 1000 from the plug contacts clock 201; 202 of socket 200 can be physically separated by lifting electrical switch 1000 out of socket 200 in the direction of the arrow in Figure 3B.
  • FIGS. 4A and 4B A further exemplary embodiment of the device 100 according to the invention is shown in FIGS. 4A and 4B.
  • the device 100 includes a second actuator 120, which also includes a first shape and a second shape.
  • the electrical Switch 1000 drawn into the socket 200 and electrically contacted.
  • the second actuator 120 is also a shape memory alloy actuator.
  • the device 100 according to the invention can, for example, have lateral projections 211; 212 to be accommodated.
  • the electrical switch 1000 has a projection 1005 which is connected to the actuators 110; 120 cooperates to pull and eject the electrical switch 1000.
  • the first actuator 110 and the second actuator 120 are each Weil band-shaped between attachment points 111, 112; 121;
  • the first actuator 110 ejects (“pull") the electrical switch 1000 from the socket 200 during the transition from the first configuration to the second configuration
  • the second actuator 120 acts in the opposite direction and pulls the electrical switch 1000 during the transition from its first configuration to its second Shaping into the socket 200 ("plug").
  • the electrical switch 1000 is ejected from the socket 200.
  • the pin contacts 1001; 1002 of the electrical switch 1000 are physically separated from the plug contacts 201 when the electrical switch 1000 is thrown out; 202 of socket 200.
  • To change the shape of the first actuator 110 and the second actuator 120 are each electrical connection cables 115; 116 at the first actuator 110 and electrical connection cable to 125; 126 provided in the second actuator 120. Via these electrical cables 115, 116; 125, 126, the actuators 110; 120 either directly or via a heating element on the actuators 110; 120 are heated indirectly.
  • the illustrated device 100 according to the invention can also be arranged in the electrical switch 1000 in the direction of the upper side of the socket 200 .
  • the device 100 according to the invention, or the socket 200 according to the invention or the electrical switch 1000 according to the invention makes it possible to insert electrical switches 1000 into the socket 200 in a powerless manner. There is also the possibility of plugging and pulling an electrical switch 1000 into a socket 200 without power. This makes it possible to have an electrical switch drive out of the socket from a remote control room, for example.
  • the device 100 ejects or retracts the electrical switch 1000 from the plug-in base 200 on the basis of a command that is passed on to it electrically or by radio.
  • a user can communicate with the device 100 via a smartphone, a tablet computer, a notebook or any other computer and move it to eject or retract the electrical switch 1000 .

Abstract

L'invention concerne un dispositif (100) pour éjecter un commutateur électrique (1000) à partir d'une douille (200), le commutateur électrique (1000) pouvant être enfiché sur un côté supérieur de la douille (200) et étant ainsi mis en contact électrique, le dispositif (100) comprenant au moins un premier actionneur (110) ayant une première forme et une seconde forme, le dispositif (100) étant disposé de telle sorte que le commutateur électrique (1000) peut être enfiché dans la douille (200) lorsque le ou les premiers actionneurs (110) ont leur première forme, et lorsque le ou les premiers actionneurs (110) change leur forme de la première forme à la seconde forme, le commutateur électrique branché (1000) est éjecté de la douille (200), le premier actionneur (110) étant un actionneur en alliage à mémoire de forme.
PCT/EP2021/058104 2021-03-29 2021-03-29 Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif WO2022207061A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PCT/EP2021/058104 WO2022207061A1 (fr) 2021-03-29 2021-03-29 Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif
DE112021006966.7T DE112021006966A5 (de) 2021-03-29 2021-03-29 Vorrichtung zum Auswerfen eines elektrischen Schalters aus einem Stecksockel, Stecksockel mit solch einer Vorrichtung und elektrischer Schalter mit solch einer Vorrichtung

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2021/058104 WO2022207061A1 (fr) 2021-03-29 2021-03-29 Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif

Publications (1)

Publication Number Publication Date
WO2022207061A1 true WO2022207061A1 (fr) 2022-10-06

Family

ID=75478007

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2021/058104 WO2022207061A1 (fr) 2021-03-29 2021-03-29 Dispositif d'éjection d'un commutateur électrique d'une prise, prise comportant un tel dispositif, et commutateur électrique comprenant un tel dispositif

Country Status (2)

Country Link
DE (1) DE112021006966A5 (fr)
WO (1) WO2022207061A1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879986U (ja) * 1981-11-26 1983-05-30 シャープ株式会社 安全装置
WO2001024322A1 (fr) * 1999-09-13 2001-04-05 Ejecto As Mecanisme ejecteur de fiche utilisant une piece metallique a memoire
RU2402124C1 (ru) * 2009-10-21 2010-10-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" Размыкатель электрической цепи
DE102018202415A1 (de) * 2018-02-16 2019-08-22 Siemens Aktiengesellschaft Verbindungsvorrichtung für einen elektrischen Schalter

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5879986U (ja) * 1981-11-26 1983-05-30 シャープ株式会社 安全装置
WO2001024322A1 (fr) * 1999-09-13 2001-04-05 Ejecto As Mecanisme ejecteur de fiche utilisant une piece metallique a memoire
RU2402124C1 (ru) * 2009-10-21 2010-10-20 Российская Федерация, от имени которой выступает Государственная корпорация по атомной энергии "Росатом" - Госкорпорация "Росатом" Размыкатель электрической цепи
DE102018202415A1 (de) * 2018-02-16 2019-08-22 Siemens Aktiengesellschaft Verbindungsvorrichtung für einen elektrischen Schalter

Also Published As

Publication number Publication date
DE112021006966A5 (de) 2023-11-16

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