EP2811502A1 - Elektrisches Sicherungsgerät umfassend eine Vorrichtung zur Verriegelung des Zugangs zu den Einstellmitteln des elektrischen Sicherungsgeräts - Google Patents

Elektrisches Sicherungsgerät umfassend eine Vorrichtung zur Verriegelung des Zugangs zu den Einstellmitteln des elektrischen Sicherungsgeräts Download PDF

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Publication number
EP2811502A1
EP2811502A1 EP14165423.6A EP14165423A EP2811502A1 EP 2811502 A1 EP2811502 A1 EP 2811502A1 EP 14165423 A EP14165423 A EP 14165423A EP 2811502 A1 EP2811502 A1 EP 2811502A1
Authority
EP
European Patent Office
Prior art keywords
aforementioned
locking member
envelope
electrical
movable
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Withdrawn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
EP14165423.6A
Other languages
English (en)
French (fr)
Inventor
Samuel Faure
Stéphane Biscarrat-Aymes
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 EP2811502A1 publication Critical patent/EP2811502A1/de
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/22—Interlocking, locking, or latching mechanisms for interlocking between casing, cover, or protective shutter and mechanism for operating contacts
    • 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
    • H01H71/74—Means for adjusting the conditions under which the device will function to provide protection
    • H01H2071/7472—Means for adjusting the conditions under which the device will function to provide protection with antitamper means for avoiding unauthorised setting
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/281—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock
    • H01H9/282—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a padlock and a separate part mounted or mountable on the switch assembly and movable between an unlocking position and a locking position where it can be secured by the padlock

Definitions

  • the present invention relates to a device for locking access to the adjustment means of an electrical protection device, said electrical apparatus being housed in an envelope comprising a removable part able to be removed in order to allow the actuation of the adjustment means supra.
  • Adjustment, and in particular adjustment of the rating of electrical protection devices is a potentially dangerous operation. Indeed, this setting requires removing a hatch to give access to the device setting device. This operation frees access to parts, which can be stripped and powered on. On the other hand, this hatch is often small because only used to close the access port to the adjustment device; it is relatively easy to lose it.
  • branch circuit breakers did not have an integrated lockout device. It was necessary to provide an additional device to record the device. In the case of branch circuit breakers, such a device was generally not provided.
  • the object of the present invention is to propose a device for locking access to the adjustment means of an electrical protection device, of simple design, and offering the operator greater security.
  • the subject of the present invention is a locking device of the kind mentioned above, this device being characterized in that it comprises a locking member comprising a fixed part and a movable part, said movable part being able to be displaced. between a first position in which said movable part authorizes the operation of the apparatus and prevents the withdrawal of the aforesaid part of the envelope, and a second position in which said movable part prevents the operation of the apparatus and authorizes the withdrawal of the aforesaid part of the envelope so as to allow the actuation of the aforementioned adjustment means.
  • the movable portion of the locking member prevents operation of the apparatus from the OFF position to the ON position. Thanks to these features, a device for locking a electrical protection device, of simple design, without added device, requiring the user to turn off the electrical protection device to remove the cover giving access to the device of adjustment, resulting in increased security.
  • the movable portion of said locking member is slidably mounted relative to the aforementioned envelope, between the two aforementioned positions.
  • the movable part prevents removal of the cover and is locked in this position by the presence of the operating member being in a first position, said operating member preventing the translation of the part. mobile away from the hood, and in that after a maneuver of the actuating member to a second position, the movable portion is adapted to be moved away from the cover so as to lock in position the operating member in this last position and allow the removal of the hood.
  • the aforementioned removable portion of the envelope comprises a cover adapted to be moved in a direction substantially perpendicular to the planes of the front and rear faces of the apparatus, between a first position in which the cover prevents access to the adjusting means and a second position in which said cover allows this access, and the movable portion of the aforementioned locking member is movable in translation relative to the casing of the apparatus, in a direction substantially perpendicular to the direction of moving the cover, said locking member having a first end portion cooperating with the actuator of the apparatus and a second end portion cooperating with the cover.
  • the mobile part of the aforementioned locking member is adapted to be locked in translation in the second aforementioned position by adding lockout means.
  • the aforementioned padlocking means comprise an opening provided in the movable part of the locking member, said opening being adapted to receive the handle of a padlock, said handle being intended to be interposed between a part of end of the movable portion of the locking member and the fixed portion of the locking member, so as to retain the movable portion of the locking member in the aforesaid second position.
  • the movable portion of the locking member comprises a substantially U-shaped part, said first U, having in its central part, between the wings of the U, and extending over only a part of the width wings of the U, a solid part, said solid part having an opening having in a section along a plane substantially perpendicular to the plane of the wings of the U, a U-shaped section, said second U, whose base is located towards the inside said movable portion of said locking member, the two wings of the U said first each having, located on either side of the aforesaid solid portion, two guide and / or support zones intended to slide cooperatively respectively with correspondingly shaped guide and / or support zones provided at the free ends of two portions of so-called third partitions extending substantially perpendicularly to the plane of the front and rear faces of the apparatus and belonging to the fixed part of the locking member, said solid portion being slidably mounted between the two portions of said partitions.
  • the fixed part of the locking member comprises two partition portions extending substantially perpendicularly to the planes of the front and rear faces of the apparatus, said partition portions said seconds comprising means for guiding the parts of the end of the aforementioned wings.
  • the above-mentioned locking device comprises a hook integrally formed with the fixed part of the locking member, said hook extending substantially parallel to the aforementioned locking member, said hook being able to cooperate with a recess provided in the outer face of one of the wings of the movable portion of the locking member, so as to limit the movement of said member towards the actuating member, said hook being elastically biased towards the inside of said recess.
  • the aforementioned removable portion of the aforementioned envelope comprises sealing means on the main part of the envelope of the apparatus.
  • the aforementioned removable portion comprises a cover adapted to protect the input terminals and the aforementioned adjustment device.
  • the above-mentioned adjustment device is intended for adjusting the caliber of the apparatus.
  • Another subject of the present invention is an electrical protection device comprising a locking device comprising the aforementioned features taken alone or in combination.
  • the apparatus is a branch circuit breaker intended to be located between a meter and an electrical panel in order to allow the electrical connection of a particular to the electrical network.
  • this assembly is mounted in an insulating envelope E, this envelope having an opening for the passage of a lever M for the operation of the apparatus and having access openings to input terminals and at output terminals intended to be electrically connected respectively to the meter and to the electrical panel, said openings being located at the rear of the apparatus, and not being visible in these figures.
  • this device is of the unipolar and neutral type and mainly comprises a control mechanism and two unipolar assemblies comprising an assembly for breaking a phase and a unipolar assembly for breaking the neutral, each of these sets being associated an input terminal and an output terminal.
  • Each unipolar assembly comprises a fixed contact electrically connected by a conductor to one of the terminals, and a movable contact electrically connected by a flexible conductor to the other of the terminals, these elements not being visible in these figures.
  • This movable contact is supported by a movable contact bearing shaft common to all unipolar assemblies, and adapted to be rotated by a control mechanism between a position in which the fixed and movable contacts are open and a position in which the contacts fixed and mobile are closed.
  • the control of the opening of the contacts can be effected either manually by the operation of the lever M belonging to the control mechanism, or automatically by means of a protection device comprising a magnetic protection device against the instantaneous overloads of current electrical, a thermal protection device against prolonged overcurrent of electric current, and a differential protection device against leakage current to earth, these devices are not shown in the figures.
  • the envelope E of the apparatus comprises three parts, respectively a first part 1 intended to protect the part of the apparatus situated around the handle M, a second part 2 intended to protect the terminals 20 and the device a setting R, and a third portion 3 for protecting the output terminals.
  • a locking device 4 comprises a locking member 5 composed of a first part 6 said fixed, integral with the envelope E and illustrated on the figures 6.7 , 8 and 10 and a second part 7, called mobile, illustrated alone on the figures 5 and 9 .
  • This first so-called fixed portion 6 comprises a first portion 8 extending substantially parallel to the plane of the front face of the apparatus, a second portion 9 extending substantially perpendicularly to this first portion 8, and a third portion 10 extending substantially perpendicular to the front face of the apparatus and located between the handle M of the apparatus and this second portion 9.
  • this second so-called mobile part 7 of the locking member 5 is formed by a U-shaped part comprising a base 11 and two wings 12, 13 and a solid part 14 situated between the two wings 12, 13 .
  • This solid part 14 extends only over part of the width of the flanges 12, 13 so as to form on either side of this solid part 14, on the inner surface of one of the flanges 12, 13, bearing and guiding zones 12a, 12b intended to cooperate with complementary bearing and guiding zones 10c, 10e provided on the third portion 10 of the aforementioned fixed part 6, this third portion being constituted by two half -portions 10a, 10b.
  • the other 13 of the two wings 12,13 has two free longitudinal edges forming guide surfaces 13a, 13b for cooperating respectively with complementary guide zones 10d, 10f respectively belonging to the two half-portions above 10a, 10b.
  • the aforementioned massive part 14 of the moving part 7 has two surfaces (of which only one 14a is shown on the figure 9 ) forming guide surfaces adapted to cooperate slidingly with respectively two facing surfaces 10g, 10h formed respectively at the two end portions of the two half-portions 10a, 10b.
  • This solid portion 14 has at its end located at the opposite end to that comprising the base of said U, said first, a recess 14c having in a plane extending perpendicularly to the flanges 12, 13 of the movable portion 7, a section U-shaped, says second U.
  • the aforementioned first portion 8 of the fixed portion 6 also comprises two surface portions 8a, 8b each forming a guiding surface for one of the aforementioned wings 12, 13, and also comprises elements 19 able to facilitate the sliding of the mobile part 7 with respect to the fixed part 6.
  • the second portion 9 of the fixed portion 6 comprises two portions 9a, 9b extending in a plane substantially perpendicular to the plane of the first portion 8 and comprises on the one hand, guide means 9c and 9d of the end portions of the aforementioned wings.
  • the displacement of the mobile part 7 on the side of the lever M is limited by means of a hook 15 belonging to the first portion 8 of the aforementioned fixed part 6, extending substantially parallel to this first portion 8 and adapted to cooperate with a recess 21 of corresponding shape provided in the outer face of a 13 of the wings of the aforementioned U.
  • the displacement of the movable portion 7 of the hood side is limited by the base 11 of the U of the movable portion 7 abuts on the portions 10a, 10b.
  • the other recess 14c provided in the solid portion 14 is intended to allow the passage of the handle 16 of a padlock (not shown), said handle 16 being intended to be interposed between the bottom wall 14d of the recess 14c and the second portion 9 of the fixed portion 6, in order to maintain the movable portion 7 of the locking member 5 in the aforementioned second position, that is to say in a position in which the movable portion 7 prevents the maneuver of the operating member M and allows the removal of the cover 2.
  • the locking device 4 is in the unlocked position, the moving part 7 of the locking member 5 being displaced in a direction opposite to the actuating member M so as to prevent the removal of the protective cover 2 giving access to the device R.
  • the actuator M commonly called joystick.
  • a sealing 18 of the cover 2 by means of the sealing device could be achieved so as to indicate that no opening of the cover was previously performed.
  • this actuating member prevents the displacement of the locking member 5 towards this operating member M and thus maintains this locking member 5 in a position in which prevents the removal of the hood 2.
  • the apparatus was brought to the OFF position by means of the actuator M, the sealing device 18 was deactivated and the movable portion 7 of the locking member 5 was moved in translation relative to the part fixed 6 towards the handle M of the device, so as to lock the handle in this OFF position.
  • This displacement of the movable portion of the locking member 5 allows a user to move the protective cover 2 of the adjustment device R in translation perpendicularly to the front and rear faces of the device, and towards the front of the apparatus, so as to allow access to the adjusting device R, this position being illustrated on the figure 3 , or fig 4 illustrating the locking member alone 5.
  • the locking device 4 can be padlocked in this position in which the actuator M of the apparatus is locked in the OFF position by means of a padlock whose handle 16 can be inserted into the recess 14c. provided in the solid portion 14, between the bottom 14d of curved shape of the solid portion 14 of the movable portion 7 of the locking member 5 and the second portion 9 of the fixed portion 6 of the locking member 5, this position being illustrated on the figure 10 .
  • the user deactivates the padlock and then moves the movable part 7 of the locking member 5 in the direction of the cover 2, thereby making it possible to release the operating member M from the lock device, which can then be switched to the ON position of the device. In this position, a new seal of the cover 2 can be made so as to indicate any subsequent unauthorized manipulation of the cover.
  • the mobile part 7 of the locking member 5 slides relative to the fixed part 6, through the guide zones 12a, 12b, 13a, 13b provided on the moving part. 7 cooperating with the corresponding guide areas 10c, 10d, 10e, 10f provided on the two partition portions 10a, 10b forming the third portion 10 of the fixed portion 6, also via the guide zones 8a, 8b provided on the first portion 8 of the fixed portion 6 and through the guiding means 9c and 9d provided on the second portion 9 of the fixed portion 6 cooperating with corresponding guide zones provided on the end portions of the wings of the U formed by the movable part 7 of the locking member 5.
  • the invention makes it possible to eliminate the adjustment flap system used in the apparatuses of the prior art, said flap being easily lost, particularly in view of its small size.
  • only one hood is used to protect Incoming terminals and adjusting device, which reduces the number of parts used.
  • the locking device according to the invention makes it possible to ensure that no energy is consumed without depositing apparatus.
  • a locking device of simple design in that it does not require any added part, uses a reduced number of parts, said parts being captive, and forcing the user to manipulate the device. in the OFF position before removal of the protective cover from the adjustment device, this manipulation guaranteeing the safety of the user, the stripped parts being de-energized.

Landscapes

  • Switch Cases, Indication, And Locking (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
EP14165423.6A 2013-06-07 2014-04-22 Elektrisches Sicherungsgerät umfassend eine Vorrichtung zur Verriegelung des Zugangs zu den Einstellmitteln des elektrischen Sicherungsgeräts Withdrawn EP2811502A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1355263A FR3006805B1 (fr) 2013-06-07 2013-06-07 Dispositif de verrouillage de l'acces aux moyens de reglage d'un appareil de protection electrique, et appareil de protection electrique le comportant.

Publications (1)

Publication Number Publication Date
EP2811502A1 true EP2811502A1 (de) 2014-12-10

Family

ID=49151121

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165423.6A Withdrawn EP2811502A1 (de) 2013-06-07 2014-04-22 Elektrisches Sicherungsgerät umfassend eine Vorrichtung zur Verriegelung des Zugangs zu den Einstellmitteln des elektrischen Sicherungsgeräts

Country Status (3)

Country Link
EP (1) EP2811502A1 (de)
FR (1) FR3006805B1 (de)
MA (1) MA36976B1 (de)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274624A1 (de) * 1986-12-13 1988-07-20 Moeller GmbH Handbetätigter Schutzschalter
DE4321981A1 (de) * 1993-07-01 1995-01-19 Siemens Ag Einbauschalter mit Abdeckung und abschließbarer Betätigungseinrichtung
DE19543091C1 (de) * 1995-11-18 1997-04-24 Schneider Electric Gmbh Sicherheitsschalteinrichtung
US5663862A (en) * 1994-08-31 1997-09-02 Reutech Commercial Electronics (Proprietary) Limited Enclosure for a circuit breaker
FR2790139A1 (fr) * 1998-12-30 2000-08-25 Power Controls Iberica Sl Disjoncteur automatique a mise a la terre
DE10330667A1 (de) * 2003-07-08 2005-02-03 Abb Patent Gmbh Abdeckhaube für ein Schaltgerät

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0274624A1 (de) * 1986-12-13 1988-07-20 Moeller GmbH Handbetätigter Schutzschalter
DE4321981A1 (de) * 1993-07-01 1995-01-19 Siemens Ag Einbauschalter mit Abdeckung und abschließbarer Betätigungseinrichtung
US5663862A (en) * 1994-08-31 1997-09-02 Reutech Commercial Electronics (Proprietary) Limited Enclosure for a circuit breaker
DE19543091C1 (de) * 1995-11-18 1997-04-24 Schneider Electric Gmbh Sicherheitsschalteinrichtung
FR2790139A1 (fr) * 1998-12-30 2000-08-25 Power Controls Iberica Sl Disjoncteur automatique a mise a la terre
DE10330667A1 (de) * 2003-07-08 2005-02-03 Abb Patent Gmbh Abdeckhaube für ein Schaltgerät

Also Published As

Publication number Publication date
MA36976A1 (fr) 2016-01-29
MA36976B1 (fr) 2016-10-31
FR3006805B1 (fr) 2016-10-21
FR3006805A1 (fr) 2014-12-12

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