EP2328166A1 - Hilfsschalter zum Anschluss an einen Leitungsschutzschalter mit Montagefehlerschutz und passender Leitungsschutzschalter - Google Patents

Hilfsschalter zum Anschluss an einen Leitungsschutzschalter mit Montagefehlerschutz und passender Leitungsschutzschalter Download PDF

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Publication number
EP2328166A1
EP2328166A1 EP10354058A EP10354058A EP2328166A1 EP 2328166 A1 EP2328166 A1 EP 2328166A1 EP 10354058 A EP10354058 A EP 10354058A EP 10354058 A EP10354058 A EP 10354058A EP 2328166 A1 EP2328166 A1 EP 2328166A1
Authority
EP
European Patent Office
Prior art keywords
auxiliary
electrical
cavity
cylinder
barrel
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Withdrawn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
EP10354058A
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English (en)
French (fr)
Inventor
Manjunath Anand
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.)
Schneider Electric Industries SAS
Original Assignee
Schneider Electric Industries SAS
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 Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP2328166A1 publication Critical patent/EP2328166A1/de
Withdrawn legal-status Critical Current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
    • 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
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/46—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts
    • H01H71/462—Automatic release mechanisms with or without manual release having means for operating auxiliary contacts additional to the main contacts housed in a separate casing, juxtaposed to and having the same general contour as the main casing

Definitions

  • the invention relates to an electrical auxiliary intended to be connected to a cut-off device, said auxiliary having an outer casing having two lateral faces and comprising mechanical coupling means allowing face-to-face coupling of an auxiliary device with another auxiliary device. or with a cut-off device.
  • Mechanical control means allow the transmission of a control command from one auxiliary to another or from an auxiliary cut-off device.
  • the invention also relates to a cut-off device comprising a housing having two lateral faces.
  • Said housing comprises mechanical coupling means allowing face-to-face coupling with an electrical auxiliary according to the invention.
  • Mechanical control means allow the transmission of a control command with an auxiliary
  • the invention also relates to a method of assembling at least two electrical auxiliaries on a cut-off device.
  • auxiliaries to breaking devices such as circuit breakers. These auxiliaries are generally contiguous face-to-face with a cut-off device.
  • Auxiliaries are electrical accessories with various functions such as signaling, tripping or control functions.
  • Electrical auxiliaries may include remote signaling means for the opening or closing of the contacts of the circuit breakers (auxiliaries OF).
  • Electrical auxiliaries may include circuit breaker tripping means in the event of a decrease in the voltage (auxiliary MN).
  • Electrical auxiliaries may comprise means for remote control of the opening of the contacts of the circuit breakers (auxiliaries MX).
  • Auxiliaries may include means for signaling tripping due to electrical faults (auxiliary SD).
  • a face-to-face stack of several auxiliaries on a face of a circuit breaker may cause one or more auxiliaries of the battery to fail because of the compilation of the functional games of each of the auxiliaries.
  • These non-operating faults preferably affect the auxiliaries furthest from the circuit breaker.
  • the accumulated shift of the links between the handles of the auxiliaries makes inactive the mechanical transmission between an auxiliary placed at the end of the stack and the circuit breaker.
  • the control command sent by the circuit breaker through other auxiliaries does not reach the last auxiliary battery because of the deformation of the joystick.
  • the cumulative offset of the internal links to the auxiliaries can prevent the transmission of orders or signals. between the last auxiliary battery and the circuit breaker.
  • a malfunction of the last auxiliaries of the stack can take place if the accumulated games by stacking exceed a functional limit. This malfunction may result in a non-remote signaling of the state of the circuit breaker or a non-tripping of the circuit breaker.
  • the cut-off device manufacturer generally indicates a maximum number of permitted electrical auxiliaries.
  • the electrician is required to respect the data recommended by the manufacturer not exceeding in particular the number of authorized electrical auxiliaries.
  • the invention therefore aims to overcome the disadvantages of the state of the art, so as to provide an electrical auxiliary having keying means.
  • the outer casing of an auxiliary device comprises numeric keying means allowing a limited number of electrical auxiliary couplings on a cut-off device.
  • the numeric keying means comprise a rotary barrel positioned in an orifice passing through the case from one side face to the other, said barrel having a longitudinal axis having a first radial face comprising a cavity male and a second radial face having a female cavity, the shape of the male cavity being adapted to that of the female fingerprint to collaborate by interlocking.
  • the male cavity of a cylinder is offset by an adjustment angle with respect to the female cavity so that the male cavity of a cylinder of a first electrical auxiliary can to enter a female fingerprint of a barrel of a second electric auxiliary only if at least one of the barrels has rotated on its longitudinal axis by an angle equal to an integer multiple of the adjustment angle.
  • the barrel comprises positioning stops allowing a rotation of said barrel on the longitudinal axis between two extreme angular positions, the two extreme angular positions being separated by a positioning angle.
  • the positioning angle is equal to N times the adjustment angle, N being an integer.
  • elastic means allow positioning of the barrel in one of the two extreme angular positions.
  • the hole opening of the housing has a longitudinal axis substantially perpendicular to the lateral faces and the two radial faces of a cylinder are substantially perpendicular to the longitudinal axis of rotation of said cylinder.
  • the cut-off device comprises a box having two lateral faces and comprising mechanical coupling means allowing a face-to-face coupling with an electrical auxiliary as defined above.
  • Mechanical control means allow the transmission of a control command with said electrical auxiliary.
  • the housing comprises on at least one of the lateral faces an imprint having a shape adapted to that of an imprint of a barrel of an electrical auxiliary to collaborate by interlocking.
  • the housing comprises on at least one of the lateral faces a female cavity having a shape adapted to that of a male cavity of a barrel of an electrical auxiliary to collaborate by interlocking.
  • the method of assembling at least two electrical auxiliaries on a breaking device consists in joining a first auxiliary with the cut-off device, in rotating a barrel of a second auxiliary by an adjustment angle and to join the second auxiliary with the first auxiliary.
  • the electrical auxiliary 1 is intended to be connected to a cut-off device 2.
  • the cut-off device can be a circuit breaker.
  • Said auxiliary having an outer casing 10 having two lateral faces 10A, 10B.
  • the housing is made by assembling two flanges made of molded material.
  • the outer casing 10 comprises mechanical coupling means allowing the positioning by stacking of one or more auxiliaries on a cut-off device.
  • the mechanical coupling means allow a face-to-face coupling of an auxiliary with another auxiliary or with a cut-off device.
  • the auxiliaries are mechanically associated by hooks 5A, 5B, 6A, 6B.
  • the external box 10 comprises mechanical control means allowing the transmission of a control command from one auxiliary to the other or a cut-off device to an auxiliary.
  • electrical auxiliaries of the MN or MX type drive the control member for the opening of the contacts of the circuit breaker 20.
  • This control member called the "trip bar” 206
  • SD or OF type electrical auxiliaries can be driven by the trip bar 206 and / or the circuit breaker handle 207.
  • each electrical auxiliary has a specific means 106 for tripping the circuit breaker via the trip bar 206 and a lever 107 to achieve "adaptability" between all the auxiliaries.
  • the outer casing 10 comprises numeric keying means.
  • the numeric keying means serve to limit the maximum number of electrical auxiliary couplings 1 on a cutoff device 2.
  • the numeric keying means comprise a rotary barrel 100 positioned in the housing 10.
  • Said housing has a passage hole, substantially cylindrical and opening on each side face 10A, 10B.
  • the hole opening of the housing 10 has a longitudinal axis substantially perpendicular to the side faces 10A, 10B.
  • the rotary barrel 100 positioned inside the cylindrical opening hole has two radial faces.
  • the two radial faces of said cylinder are substantially perpendicular to the longitudinal axis Y of rotation of said cylinder.
  • the radial faces are substantially parallel to the lateral faces of the housing 10. The surface of the radial faces is flush with the surface of the side faces 10A, 10B of the housing 10.
  • a first radial face of the barrel includes a male cavity 101 and a second radial face comprises a female cavity 102.
  • the shape of the male cavity 101 is adapted to that of the female cavity 102 to collaborate by interlocking.
  • the male footprint can take the form of a flat tip and the female footprint form complementary to that of a flat tip.
  • the male cavity 101 is projecting relative to the radial face on which it is positioned. Given that the radial faces of the cylinder 100 are flush with the side faces 10A, 10B of the housing 10, the male cavity 101 is then projecting relative to one of the two lateral faces 10B on which it is positioned.
  • the male cavity 101 of a cylinder 100 is offset by an adjustment angle ⁇ relative to the female cavity 102.
  • This angular offset is made in such a way that the male cavity 101 of a first cylinder 100 d a first electrical auxiliary 1 can enter a female cavity 102 of a second cylinder 100 of a second electrical auxiliary only 1 and only if at least one of the barrels has rotated on its longitudinal axis Y by an angle equal to a multiple integer of the adjustment angle ß.
  • the barrel 100 comprises positioning stops 103 allowing a rotation of said barrel 100 on the longitudinal axis Y between two extreme angular positions, the two extreme angular positions being separated by a positioning angle ⁇ .
  • the positioning angle ⁇ is equal to N times the adjustment angle ⁇ , where N is an integer.
  • the electric auxiliary 1 according to the invention comprises elastic means allowing the positioning of the cylinder 100 in one of the two extreme angular positions.
  • the number of auxiliaries that can be attached to each other at a circuit breaker is limited and is equal to N + 1.
  • the invention also relates to a cut-off device 2 comprising a housing 20 having two lateral faces 20A, 20B. Said housing 20 is intended to collaborate with at least one electrical auxiliary 1 as defined above.
  • One of the two lateral faces 20B of the housing 20 of the cut-off device 2 comprises at least one female cavity 201 having a shape adapted to that of a male cavity 101 of a cylinder 100 of an electrical auxiliary 1 to collaborate by interlocking .
  • the outer casing 20 comprises mechanical coupling means allowing the positioning by stacking of an auxiliary 1 on the cut-off device.
  • the mechanical coupling means allow a face-to-face coupling of an auxiliary device with said cut-off device 2.
  • the mechanical coupling means of the device are hooks 5A, 6A.
  • the external box 20 comprises mechanical control means allowing the transmission of a control command to an auxiliary or vice versa.
  • mechanical control means comprise a trip bar 206 disposed on the lateral faces of the modular circuit breakers 20.
  • the electrical auxiliaries of the SD or OF type can be driven by the trip bar 206 and / or the handle 207 of the circuit breaker 2.
  • the outer casing 20 comprises numeric keying means.
  • the numeric keying means serve to limit the maximum number of electrical auxiliary couplings 1 on the cut-off device 2.
  • the numeric keying means comprise a female cavity 201. shape of said cavity 201 is adapted to that of a male cavity 101 of a cylinder 100 of an electrical auxiliary 1 to collaborate by interlocking.
  • the numeric coding means of the outer casing of the cut-off device comprises a male imprint.
  • the shape of said male cavity is adapted to that of a female cavity of a barrel of an electrical auxiliary to collaborate by interlocking.
  • the method of assembling several electrical auxiliaries 1 on a cut-off device 2 is as follows.
  • a first electrical auxiliary 1 is positioned vis-à-vis a cut-off device 2.
  • a side face 10B of the electric auxiliary 1 is intended to come into contact with a side face 20B of the device 2.
  • the male cavity 101 projecting from one of the side faces 10B of the auxiliary housing is positioned in and collaborates with the female cavity 201 of one of the side faces 20B of the housing of the cut-off device. 2.
  • the orientation of the female cavity 201 of the housing 20 of the cut-off device 2 is made so that the barrel 100 of the first electrical auxiliary is positioned on one of the angular positions extremes. In other words, it is not useful to rotate the barrel 100 of the first auxiliary by an adjustment angle ⁇ for positioning on the breaking device 2.
  • a second step of the method consists in attaching a second electrical auxiliary 1 to the first electrical auxiliary 1, itself already attached to the cutoff device 2.
  • a side face 10B of the second electrical auxiliary 1 is intended to come into contact with a side face 10A of the first electric auxiliary 1.
  • the male cavity 101 projecting from one of the lateral faces 10B of the second auxiliary housing is positioned in and collaborates with the female cavity 102 of a barrel of the first electrical auxiliary 1 already attached to the device 2. It is then necessary to rotate the barrel of the second electric auxiliary by an adjustment angle ⁇ so that the male cavity 101 of the barrel 100 of the second auxiliary can collaborate with the female cavity 102 of the cylinder 100 of the first auxiliary.
  • a third step of the method consists in attaching a third electrical auxiliary 1 to the second electrical auxiliary 1, itself already attached to the first electrical auxiliary 1 itself attached to the cut-off device 2.
  • a side face 10B of the third electrical auxiliary 1 is intended come into contact with a lateral face 10A of the second electrical auxiliary 1.
  • to join the third electrical auxiliary 1 to the first two it is it is necessary to rotate the barrel of the third auxiliary by an angle having a value equal to the sum of two adjustment angles ⁇ so that the male cavity 101 of the barrel of the third auxiliary can collaborate with the female cavity 102 of the barrel of the second auxiliary; said barrel 100 of the second auxiliary having already rotated by an adjustment angle ⁇ .
  • a final step of the method consists in attaching a fourth electrical auxiliary 1 to the third electrical auxiliary 1, itself already attached to the second electrical auxiliary 1, itself already attached to the first electrical auxiliary 1, itself attached to the cut-off device 2
  • a side face 10B of the fourth electrical auxiliary 1 is intended to come into contact with a side face 10A of the third electrical auxiliary 1.
  • to attach the fourth electric auxiliary 1 to the first three it is necessary to rotate the barrel the fourth auxiliary of an angle having a value equal to the sum of three adjustment angles ⁇ so that the male cavity 101 of the fourth auxiliary barrel can collaborate with the female cavity 102 of the third auxiliary barrel; said barrel 100 of the third auxiliary having already rotated by two adjustment angles ⁇ .
  • the setting of the adjustment angle ⁇ and the positioning angle ⁇ makes it possible to guarantee a limited number of auxiliaries contiguous to a cut-off device.
  • the manual of the auxiliaries imposes on the installer a maximum number of auxiliaries to be stacked.
  • the interest of the numeric keying means as defined in the invention makes it possible to guarantee a strict application of the assembly recommendations: the maximum number of auxiliaries is then independent of the installer and the human error is no longer possible at the time of installation of the auxiliaries.

Landscapes

  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
EP10354058A 2009-11-30 2010-10-01 Hilfsschalter zum Anschluss an einen Leitungsschutzschalter mit Montagefehlerschutz und passender Leitungsschutzschalter Withdrawn EP2328166A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR0905741A FR2953325B1 (fr) 2009-11-30 2009-11-30 Auxiliaire electrique etant destine a etre relie a un dispositif de coupure et comportant des moyens de detrompage, dispositif de coupure destine a collaborer avec un tel auxiliaire

Publications (1)

Publication Number Publication Date
EP2328166A1 true EP2328166A1 (de) 2011-06-01

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP10354058A Withdrawn EP2328166A1 (de) 2009-11-30 2010-10-01 Hilfsschalter zum Anschluss an einen Leitungsschutzschalter mit Montagefehlerschutz und passender Leitungsschutzschalter

Country Status (3)

Country Link
EP (1) EP2328166A1 (de)
CN (1) CN102082045B (de)
FR (1) FR2953325B1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011077285A1 (de) * 2011-06-09 2012-12-13 Siemens Aktiengesellschaft Hilfsschalter für einen elektrischen Schalter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105797A5 (de) * 1970-09-23 1972-04-28 Bassani Spa
EP0208613A1 (de) * 1985-07-05 1987-01-14 Telemecanique Schutzschalter mit kuppelbaren Polen
EP0926792A1 (de) * 1997-12-18 1999-06-30 Schneider Electric Sa Verschlüsselungsvorrichtung für elektrische Geräte, insbesondere für Schutzschalter und Differentialschutzschalter
EP0951043A1 (de) * 1998-04-17 1999-10-20 Schneider Electric Industries SA Hilfseinheit mit einer Anzeigevorrichtung zur Auslösung ausgerüstet mit Verschlüsselungsvorrichtung
FR2892852A1 (fr) * 2005-10-28 2007-05-04 Hager Electro S A S Soc Par Ac Systeme de detrompage pour l'association d'appareils electriques

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2105797A5 (de) * 1970-09-23 1972-04-28 Bassani Spa
EP0208613A1 (de) * 1985-07-05 1987-01-14 Telemecanique Schutzschalter mit kuppelbaren Polen
EP0926792A1 (de) * 1997-12-18 1999-06-30 Schneider Electric Sa Verschlüsselungsvorrichtung für elektrische Geräte, insbesondere für Schutzschalter und Differentialschutzschalter
EP0951043A1 (de) * 1998-04-17 1999-10-20 Schneider Electric Industries SA Hilfseinheit mit einer Anzeigevorrichtung zur Auslösung ausgerüstet mit Verschlüsselungsvorrichtung
FR2892852A1 (fr) * 2005-10-28 2007-05-04 Hager Electro S A S Soc Par Ac Systeme de detrompage pour l'association d'appareils electriques

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102011077285A1 (de) * 2011-06-09 2012-12-13 Siemens Aktiengesellschaft Hilfsschalter für einen elektrischen Schalter
US8946577B2 (en) 2011-06-09 2015-02-03 Siemens Aktiengesellschaft Auxiliary switch for an electrical switch

Also Published As

Publication number Publication date
CN102082045B (zh) 2015-02-18
CN102082045A (zh) 2011-06-01
FR2953325A1 (fr) 2011-06-03
FR2953325B1 (fr) 2012-05-18

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