EP2637193A1 - Dispositif de réenclenchement motorisé - Google Patents

Dispositif de réenclenchement motorisé Download PDF

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Publication number
EP2637193A1
EP2637193A1 EP12158628.3A EP12158628A EP2637193A1 EP 2637193 A1 EP2637193 A1 EP 2637193A1 EP 12158628 A EP12158628 A EP 12158628A EP 2637193 A1 EP2637193 A1 EP 2637193A1
Authority
EP
European Patent Office
Prior art keywords
motor
motor shaft
switching
shaft
coupling element
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Withdrawn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
EP12158628.3A
Other languages
German (de)
English (en)
Inventor
Wolfgang Scheugenpflug
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.)
Eaton Industries GmbH
Original Assignee
Eaton Industries GmbH
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 Eaton Industries GmbH filed Critical Eaton Industries GmbH
Priority to EP12158628.3A priority Critical patent/EP2637193A1/fr
Priority to DE112013001323.1T priority patent/DE112013001323B4/de
Priority to PCT/EP2013/054371 priority patent/WO2013131894A1/fr
Publication of EP2637193A1 publication Critical patent/EP2637193A1/fr
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/1009—Interconnected mechanisms
    • H01H71/1018—Interconnected mechanisms with only external interconnections
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/66—Power reset mechanisms
    • H01H71/70—Power reset mechanisms actuated by electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/10—Operating or release mechanisms
    • H01H71/50—Manual reset mechanisms which may be also used for manual release
    • H01H71/56—Manual reset mechanisms which may be also used for manual release actuated by rotatable knob or wheel

Definitions

  • the invention relates to a motor-driven reclosing device for navbetätigbare switching devices.
  • the shows DE 9203532 U1 a mechanical switching or remote drive for electrical switching devices with rotary or rocker arm drive for the switch lock, wherein at least one additional mechanical rotary drive is provided which is mechanically connected to the rotary drive on an adjacent switching device by tension elements in the form of two Bowden cables.
  • the invention has for its object to provide a reclosing device that works easily and is easy to grow on or on the operating side of one or more switching devices.
  • the essence of the invention relates to a motor drive for attachment to at least one electrical switching device, in particular to a low-voltage circuit breaker or the like, wherein the switching device via a hand knob and an actuating shaft in the ON and OFF position is navbetätigbar.
  • the rotary actuator which is preferably designed to 90 °, the at least one switching device can be switched manually or by means of motor drive from an OFF position to an ON position.
  • the arrangement according to the invention is used to reconnect switching devices remotely after intentional or unwanted shutdown by simple contact.
  • the motor drive is attachable to one or more switching devices, with a rotary actuation of 90 °, the one or more switching devices from an OFF position to an ON position can be switched.
  • the shift linkage comprises one or two parallel coupling elements, which are articulated between arranged on the operating shafts of one or two switching devices Doppelarmigen levers.
  • the motor drive can be arranged next to one another in addition to one or more switching devices that actuator shaft and motor shaft are parallel.
  • the actuating mechanism consists of a shift linkage with one or two coupling elements.
  • the first coupling element is on the actuating shaft via a articulated lever one arm.
  • Two coupling elements are parallel and engage the ends of attached to the operating shafts of the switching devices Doppelarmhebel.
  • the shift linkage comprises a crank arranged on the motor shaft, which engages via a pull rod to a driver attached to the first coupling element.
  • Parallel to the at least one switching device is an electric motor whose motor shaft is arranged parallel to the actuating shafts.
  • the electric motor can be supplied with low voltage, for example with 12 V and energized via a remote switch.
  • the switch-on signal can be given by a potential-free contact to the motor drive from the outside.
  • a crank is attached to the motor shaft. The crank of the electric motor and the Einarm- or Doppelarmhebel move in two mutually parallel planes. In ON operation, the motor gear shaft performs one revolution. A shutdown of the electric motor via an actuation of a moving of the motor shaft switching cam via a microswitch.
  • the drawbar is stored at one end at the end of the crank.
  • the pull rod is connected via a bearing with a sliding block running on the first coupling element.
  • the pull rod is arranged at one end at the end of the crank and the other end mounted on a sliding on the first coupling element sliding block. In the OFF position of the switching devices or the arranged on the first coupling element driver is located in a position with the greatest distance to the motor shaft.
  • the sliding block engages over drivers attached to the coupling element.
  • the pull rod performs a linear movement and the sliding block slides back and forth over a path on the first coupling element.
  • the actuating mechanism formed as a shift linkage can be accommodated in a mountable prismatic housing, which can be attached with its housing underside facing the front side / operating side of the at least one switching device.
  • the use of the reclosing device according to the invention may be provided for at least one circuit breaker, which can be switched off via working current or undervoltage release.
  • Each switching device is connected via connectors Electricity connected.
  • Each current path supplies, for example, a consumer. If safety applications do not prevail where zero-voltage safety is required, a circuit-breaker with shunt release can be used.
  • the switch-off is fail-safe by means of an undervoltage release, it is perfectly sufficient to connect the motor-driven reclosing device to mains voltage.
  • a simple self-locking can be used with a relay that controls the electric motor.
  • the switch-on command can be given via a remote, external button.
  • the connection is then made by closing a contact.
  • the transmission of the reclosing command can also be wireless. This can e.g. with the help of a radio system.
  • a preferred use of the reclosing device is proposed for a DC load-break switch, which is connected in photovoltaic systems between photovoltaic modules and inverters.
  • Such a DC switch-disconnector for up to 32 A rated current
  • a so-called fire station switch DE 10 2008014129 B4
  • the circuit breaker is preferably mounted in the immediate vicinity of PV modules in order to minimize the lengths of cables between PV modules and circuit breakers as short as possible. Frequently, however, the spatial accessibility of the circuit breaker is made more difficult.
  • the disadvantage is that undervoltage releases also respond to power failures that are common, e.g. during thunderstorms or network faults.
  • the circuit breaker opens the contacts and remains open. After intentional or unintentional disconnection, it was hitherto cumbersome to switch the PV system on remotely. The consequence of this is that the inverter does not receive any DC voltage and does not supply energy to the grid. Failures of the feed-in tariff are the result. So far, the circuit breaker at the installation site by hand must be turned on again.
  • a switch-on signal can be given to the reclosing device.
  • the contacts are closed, the supply of the inverter with DC voltage is restored and the energy supply to the grid is resumed.
  • a first embodiment is shown schematically, which comprises the following elements and details, wherein the reclosing device is attachable to at least one electrical switching device 10.1, on the actuating shaft 12, a one-armed lever 15 is arranged.
  • the at least one switching device 10.1 (10.2) is a hand knob 80 (see Fig. 2 ) is manually switched ON and OFF for opening and closing of conductor tracks.
  • the hand knob 80 is the actuating shaft 12 is placed.
  • the actuating shaft is arranged perpendicular to the front panel of the switching devices.
  • the mounting surface of the switching devices is located on the back of at least one switching device and there primarily serves for mounting on a mounting rail.
  • the electric motor 40 is preferably also fastened with its rear side on the same mounting rail.
  • the operation of the invention is designed to rotate the electric motor 40 via a remote switch to switch one (or more) switchgear (s) from the off position to the on position.
  • the situation of Fig. 1 shows the switching device 10.1 in the OFF position.
  • the shift linkage is designed such that by means of one rotation of the motor shaft 41, the one switching device 10.1 can be switched from its OFF position to its ON position.
  • a crank 42 On the motor shaft 41, a crank 42 is fixed, at the end of a pin 44 is trained, which is directed parallel to the motor shaft.
  • the pin 44 engages over a path S during one revolution of the motor shaft 41 to a pin 51 formed as a driver, which is attached to the first coupling element 30.
  • the driver on the first coupling element is directed perpendicularly away from the first coupling element 30 and toward the motor shaft.
  • the first coupling element 30 is articulated on the actuating shaft 12 via a one-armed lever 15 and has a second one-armed lever 11, 15 a parallel guide.
  • the coupling element 30 is mounted at both ends 22 on the levers 11, 15.
  • the axes of rotation of the two levers 15 and the motor shaft 41 are arranged mechanically parallel to each other.
  • Driver 44 at least in an angular range W of 90 ° (or greater) to the attached to the coupling element 30 driver 51 at.
  • the coupling element is taken over a coupling path S and the switching device 10.1 in an angular range W of 90 ° (or greater) is actuated.
  • the switching device 10.1 locks in its ON position.
  • the rotational movement Dr of the electric motor 40 is turned off after one revolution of the electric motor 40.
  • the shutdown of the electric motor 40 via the actuation of a moving of the motor shaft 41 switching cam 45 via a micro-switch 48.
  • the latter is more detailed in Fig. 2 shown.
  • the shift linkage is housed in a - not shown in the figures - housing.
  • the housing may be formed prismatic.
  • the housing is designed to be mountable, wherein it faces with its housing underside of the front side / operating side of the at least one switching device 10.1 and can be fastened there.
  • the housing top is the housing bottom parallel and only the actuating shaft 12 is passed through the housing top.
  • the housing top can be designed as a removable lid. In a closed housing thus only the actuating shaft 12 is visible to the outside and a patch on the actuating shaft 12 hand knob 80 (see Fig. 2 ).
  • the second one-armed lever 11 (15) can be freely rotatably arranged in the housing described.
  • the second one-armed lever 11 is located on the actuating shaft 12 of a second switching device 10.2.
  • Fig. 1 represented by the reference numerals 10.2 and 12 are entered in parentheses. In both cases, the shift linkage works identically. If two switching devices are present, both switching devices can be switched from their OFF positions to their ON positions.
  • FIG. 2 is slightly perspective view of a second arrangement according to the invention shown.
  • the shift linkage comprises the first coupling element 30 and a second coupling element 31, both of which are guided in parallel between the motor shaft 41 and the actuating shaft (s) 12.
  • First 30 and second coupling element 31 are hinged to the actuating shaft 12 via a double-armed lever 16.
  • the electric motor 40 and the two switching devices 10.1, 10.2 are in turn arranged side by side such that the actuating shafts 12 of the switching devices and motor shaft 41 are parallel.
  • the two switching devices 10.1, 10.2 are arranged on both sides of the motor shaft 41.
  • the shift linkage again comprises a crank 42 arranged on the motor shaft 41.
  • the crank engages via a pull rod 50 to a driver 51 'designed as a cylinder and attached to the first coupling element 30.
  • the pull rod 50 is supported at one end at the end 46 of the crank 42 and at the other end 53 is mounted via a sliding block 52 which is movable on the first coupling element.
  • the rotational movement Dr of the motor shaft 41 is converted into a linear movement, the pull rod 50 via the sliding block behind the first coupling element attached to the driver 51 'hooks.
  • the bearing 46 on the crank is seconded at a distance (radius) from the center of rotation of the motor shaft 41, that with one revolution of the motor shaft 41, the tie rod 50 can perform sufficient linear movement for movement and full entrainment of the driver 51 'on the first coupling element.
  • the ends of the coupling elements 30, 31 are in Ein vonötechnische, or on rotatable retaining pin on the levers 15 (version after Fig. 1 ) or levers 16 (version after Fig. 2 ).
  • the coupling elements may be rigid in the form of two coupling rods. Alternatively, they can also be formed by taut ropes.
  • FIGS. 3A and 3B show two positions of the shift linkage and the motor shaft.
  • the Fig. 3A shows the situation of the motor shaft 41 in the initial position and the (or) switching device (s) in the OFF position.
  • the Fig. 3B shows the action of the shift linkage during the ON shift.
  • a switching cam 45 is screwed, which cooperates with a micro-switch 48.
  • the electric motor remains actuated until the motor shaft has made a complete revolution, after which the switching cam 45 then actuates the microswitch 48 in each case. After one revolution, the relay of latching stops by a limit switch.
  • the mechanism of the shift linkage and the Actuating shafts of the two switching devices turned. After a quarter turn clockwise, the switchgear (s) is moved to the ON position. The motor drive enters the starting position and is immediately ready to start again at this position for the next switch-on command.
  • Fig. 3A switching device in OFF
  • the position of the one arm of the double-armed lever 16 has approximately an angle of 135 ° with respect to the line connecting both operating shafts of the switching devices.
  • the first coupling element 30 is shifted in an extreme position to the right.
  • the one arm of the double-armed lever and the first coupling element 30 thus assume an extreme shifted to the right position.
  • the crank 42 on the motor shaft 41 is in this position approximately parallel to the double-armed lever 16 and also has a position at an angle of about 135 ° relative to the line connecting both operating shafts of the switching devices.
  • Fig. 3B after a ON-switching pulse to the motor, the motor shaft 41 makes a turn.
  • the pull rod 50 takes over the slider 52 at its end the driver 51 'with.
  • the first coupling element 30 moves the double-armed lever 16 in a clockwise direction. After taking the ON-switching position are directed to the first coupling element arms of the double-armed lever 16 of the switching devices in a position with an angle of about 45 ° with respect to the line connecting both operating shafts of the switching devices.
  • the actuating shafts have each made a 90 ° turn.
  • Fig. 3A it is indicated that two more coupling elements 30 'and 31' can be arranged beyond the double-armed lever 16.
  • These coupling elements 30 ', 31' lead to a third, not shown switching device.
  • the third, or further switching device lies with its front side parallel to the front sides of the first two switching devices;
  • the actuating shaft of the further switching device is parallel to the motor shaft and the actuating shafts of the first two switching devices.
  • a double-armed lever is also present, at the ends of the coupling elements 30 ', 31' then attack. Again, the coupling elements 30 ', 31' are guided in parallel.
  • the electric motor in this case should be designed so strong in its performance that it can muster the mechanical work to operate more than two switching devices.

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  • Mechanisms For Operating Contacts (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
EP12158628.3A 2012-03-08 2012-03-08 Dispositif de réenclenchement motorisé Withdrawn EP2637193A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP12158628.3A EP2637193A1 (fr) 2012-03-08 2012-03-08 Dispositif de réenclenchement motorisé
DE112013001323.1T DE112013001323B4 (de) 2012-03-08 2013-03-05 Motorgetriebene Wiedereinschaltvorrichtung
PCT/EP2013/054371 WO2013131894A1 (fr) 2012-03-08 2013-03-05 Dispositif de réenclenchement motorisé

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP12158628.3A EP2637193A1 (fr) 2012-03-08 2012-03-08 Dispositif de réenclenchement motorisé

Publications (1)

Publication Number Publication Date
EP2637193A1 true EP2637193A1 (fr) 2013-09-11

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP12158628.3A Withdrawn EP2637193A1 (fr) 2012-03-08 2012-03-08 Dispositif de réenclenchement motorisé

Country Status (3)

Country Link
EP (1) EP2637193A1 (fr)
DE (1) DE112013001323B4 (fr)
WO (1) WO2013131894A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106057600B (zh) * 2016-08-05 2023-09-19 上海永继电气股份有限公司 断路器的重合闸装置
CN109524254B (zh) * 2019-01-10 2024-03-26 常熟开关制造有限公司(原常熟开关厂） 一种开关装置

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831932A (en) * 1956-05-23 1958-04-22 Westinghouse Electric Corp Isolating switch
DE3022971A1 (de) * 1979-06-25 1981-01-22 Gen Electric Leistungsschalter
DE9203532U1 (de) 1992-03-17 1993-07-15 Moeller GmbH, 53115 Bonn Mechanischer Umschalt-, Parallel- oder Fernantrieb für elektrische Schaltgeräte mit Dreh- oder Kipphebelantrieb, insbesondere für Leistungstrenner, Motorschutzschalter und dergleichen
US5311161A (en) * 1993-04-30 1994-05-10 General Electric Company Molded case circuit breaker motor operator interface assembly
FR2709867A1 (fr) * 1993-09-08 1995-03-17 Bensadoun Michel Procédé et dispositif de réenclenchement d'un disjoncteur.
EP1465226A1 (fr) * 2003-04-03 2004-10-06 Siemens Aktiengesellschaft Dispositif de commande pour appareil d'installation électrique et méthode correspondante
DE102008014129B4 (de) 2008-03-13 2009-12-31 Moeller Gmbh Schutzvorrichtung für Solarpanels

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2831932A (en) * 1956-05-23 1958-04-22 Westinghouse Electric Corp Isolating switch
DE3022971A1 (de) * 1979-06-25 1981-01-22 Gen Electric Leistungsschalter
DE9203532U1 (de) 1992-03-17 1993-07-15 Moeller GmbH, 53115 Bonn Mechanischer Umschalt-, Parallel- oder Fernantrieb für elektrische Schaltgeräte mit Dreh- oder Kipphebelantrieb, insbesondere für Leistungstrenner, Motorschutzschalter und dergleichen
US5311161A (en) * 1993-04-30 1994-05-10 General Electric Company Molded case circuit breaker motor operator interface assembly
FR2709867A1 (fr) * 1993-09-08 1995-03-17 Bensadoun Michel Procédé et dispositif de réenclenchement d'un disjoncteur.
EP1465226A1 (fr) * 2003-04-03 2004-10-06 Siemens Aktiengesellschaft Dispositif de commande pour appareil d'installation électrique et méthode correspondante
DE102008014129B4 (de) 2008-03-13 2009-12-31 Moeller Gmbh Schutzvorrichtung für Solarpanels

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
KLÖCKNER-MOELLER ED - KLÖCKNER-MOELLER: "Schutzschalter. Bauart, Qualitätssicherung", 1 January 1971, SCHUTZSCHALTER. BAUART, QUALITÄTSSICHERUNG,, PAGE(S) 1 - 9, XP007920895 *
KLOECKNER MOELLER: "Montageanweisung Kloeckner Moeller", 19911101, 1 November 1991 (1991-11-01), pages 1, XP007920872 *
KLOECKNER MOELLER: "Montageanweisung Moeller", 19990401, 1 April 1999 (1999-04-01), pages 1 - 2, XP007920873 *

Also Published As

Publication number Publication date
DE112013001323B4 (de) 2023-11-16
WO2013131894A1 (fr) 2013-09-12
DE112013001323A5 (de) 2014-12-18

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