EP0455317A2 - Dispositif de verrouillage mécanique pour contacteurs comprenant un coulisseau - Google Patents

Dispositif de verrouillage mécanique pour contacteurs comprenant un coulisseau Download PDF

Info

Publication number
EP0455317A2
EP0455317A2 EP91250116A EP91250116A EP0455317A2 EP 0455317 A2 EP0455317 A2 EP 0455317A2 EP 91250116 A EP91250116 A EP 91250116A EP 91250116 A EP91250116 A EP 91250116A EP 0455317 A2 EP0455317 A2 EP 0455317A2
Authority
EP
European Patent Office
Prior art keywords
slide
contactors
spacer
locking device
contactor
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.)
Granted
Application number
EP91250116A
Other languages
German (de)
English (en)
Other versions
EP0455317A3 (en
EP0455317B1 (fr
Inventor
Ibrahim Traoré
Reinhard Zeuke
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
Siemens Corp
Original Assignee
Siemens AG
Siemens Corp
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, Siemens Corp filed Critical Siemens AG
Publication of EP0455317A2 publication Critical patent/EP0455317A2/fr
Publication of EP0455317A3 publication Critical patent/EP0455317A3/de
Application granted granted Critical
Publication of EP0455317B1 publication Critical patent/EP0455317B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/16—Magnetic circuit arrangements
    • H01H50/18—Movable parts of magnetic circuits, e.g. armature
    • H01H50/32—Latching movable parts mechanically
    • H01H50/323—Latching movable parts mechanically for interlocking two or more relays

Definitions

  • the invention relates to a mechanical locking device for avoiding the simultaneous activation of two electromagnetically actuated contactors with a slide which can be displaced in its off position by the switching-on movement of a drive element of the one contactor approximately at right angles to the direction of the switching movement of the contactors in order to block the drive element of the other contactor.
  • a locking device of this type is known from DE-A-21 14 509. It comprises two slides arranged in parallel and displaceable relative to one another, one slider being actuated by the drive device of one contactor and thereby blocking the actuating device of the other contactor. A compression spring inserted between the slides biases the slides against each other against the direction of actuation. Furthermore, the slides are arranged in a hood, into which extensions of the drive device of the contactors which cooperate with the slides protrude and cover the two adjacent mounted contactors.
  • the object of the invention is to create a simplified embodiment of a locking device which is particularly suitable for retrofitting and, if necessary, attachment to vacuum contactors with hinged anchors.
  • the effort both for the production of the locking device and for its assembly on the shooters should be as low as possible.
  • This task is based on a locking device of the type mentioned solved in that the slider has an inclined surface at its end faces and that an insertable between the contactors and their distance determining spacer is provided, which is dimensioned such a distance between the two contactors that the distance between the drive members smaller than is the length of the slide, with a restoring element prestressing the slide in the idle state into a central position in which each of the inclined surfaces partially engages under the associated drive element.
  • only one slide is thus required and the dimensional relationships required for the operation of the device are inevitably brought about by mounting the device between the shooters.
  • each of the drive members is in engagement with one of the inclined surfaces in the idle state, the displacement of the slide begins immediately when one of the contactors is actuated.
  • a flat part of the slide adjoining the inclined surface gets under the drive element of the other contactor and blocks it.
  • the spacer can also form a guideway for the slide and have an abutment for the restoring element. In this way, the locking device forms a coherent unit that is easy to assemble.
  • a guidance of the slider can be achieved with little effort in that the slider is slidably guided with a projection in an opening in the spacer and that bow-like legs overlapping the slider are provided to maintain the engagement of the projection with the opening.
  • a leaf spring can be used as a restoring element, which is attached at one end to a leg pressed out of the spacer and which engages with its other end in an incision in the slide. This design allows the spacer with all for guiding, holding and resetting the slider serving features summarized in a single stamped and bent part.
  • FIG. 1 shows a simplified perspective illustration of a locking device designed as a module for two electromagnetically actuated contactors.
  • FIG. 2 shows the locking device according to FIG. 1 in a front view with adjacent parts of the contactors to be locked against one another.
  • the locking device shown in FIG. 1 and designated as a whole by 1 has a spacer 2, which is designed at the same time as a carrier and guide element for a slide 3.
  • the spacer 2 is suitably made of sheet metal as a one-piece stamped and bent part.
  • Two spaced-apart legs 4 and 5, each with a fastening opening 6 and 7, are used to define the distance from two vacuum contactors to be locked against one another and 11 and a flat end part 12 of the spacer 2 is guided.
  • the end part 12 is shown in section in FIG. It can be seen that the slide 3 carries on its underside a shoulder 13 which projects through an opening 14 in the end part 12. As a result, the displaceability of the slide 3 is limited to the direction of the double arrow 15.
  • the slide 3 is prestressed by a leaf spring 16, one end of which is pushed out of the spacer 2 at an abutment serving as an abutment Tab 17 is attached.
  • the other end of the leaf spring 16 engages in an incision 20 in the slide 3, whereby the slide 3 is held in a middle rest position.
  • FIG. 2 shows the locking device 1 together with adjacent, schematically represented parts of two vacuum contactors.
  • the legs 4 and 5 of the spacer 2 determine the distance from the shooters 21 and 22, each of which has a drive member 23 and 24, respectively.
  • edges 25 and 26 of the drive elements 23 and 24 each face an inclined surface 27 and 30, which are located on opposite end faces of the slide 3. If one of the contactors is excited, the corresponding drive element 23 or 24 executes a movement directed towards the end part 12. As a result, a force is exerted on the slide 3 via the corresponding edge 25 or 26 due to the wedge effect of the inclined surfaces 27 or 30, as a result of which the slide 3 is displaced to the left or right against the force of the leaf spring 16.
  • the slide 3 passes under the drive member 23 or 24 of the other contactor, so that the latter is now blocked.
  • the slide 3 can not be pushed back even with a strong force, because the force only leads to a compressive stress on the material of the slide 3. In this way, reliable locking is ensured even if the pulling force of the contactor that is switched on is reduced by an economy circuit, but the other contactor is operating with full pulling force.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Mechanisms For Operating Contacts (AREA)
EP91250116A 1990-05-02 1991-04-26 Dispositif de verrouillage mécanique pour contacteurs comprenant un coulisseau Expired - Lifetime EP0455317B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE9005102U 1990-05-02
DE9005102U DE9005102U1 (de) 1990-05-02 1990-05-02 Mechanische Verriegelungseinrichtung für Schütze mit einem Schieber

Publications (3)

Publication Number Publication Date
EP0455317A2 true EP0455317A2 (fr) 1991-11-06
EP0455317A3 EP0455317A3 (en) 1992-05-27
EP0455317B1 EP0455317B1 (fr) 1994-11-30

Family

ID=6853519

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91250116A Expired - Lifetime EP0455317B1 (fr) 1990-05-02 1991-04-26 Dispositif de verrouillage mécanique pour contacteurs comprenant un coulisseau

Country Status (2)

Country Link
EP (1) EP0455317B1 (fr)
DE (2) DE9005102U1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2161573A1 (es) * 1997-04-11 2001-12-01 Berker Geb Conmutador para persianas.
EP1615245A3 (fr) * 2004-07-08 2006-03-29 Heinrich Kopp GmbH Interrupteur d'installation universel en série
CN101017963B (zh) * 2006-12-29 2012-05-02 浙江正泰电器股份有限公司 一种机械互锁式接触器装置

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4142179C2 (de) * 1991-12-20 1996-07-25 Licentia Gmbh Mechanische Verriegelungseinrichtung
DE29706465U1 (de) * 1997-04-11 1997-07-10 Gebr. Berker GmbH & Co, 58579 Schalksmühle Jalousieschalter
DE102012006522A1 (de) * 2012-03-30 2013-10-02 Abb Ag Elektrischer Installationsschalter mit mechanischer Verriegelung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2114509A1 (de) * 1971-03-25 1972-10-05 Metzenauer & Jung Gmbh Aus zwei Schützen aufgebaute Anordnung mit mechanischer Verriegelungseinrichtung
FR2454171A1 (fr) * 1979-04-13 1980-11-07 Telemecanique Electrique Dispositif de verrouillage pour deux boutons-poussoirs
US4409575A (en) * 1980-08-07 1983-10-11 Tokyo Shibaura Denki Kabushiki Kaisha Electromagnetic contactor
US4739672A (en) * 1987-01-15 1988-04-26 Siemens Energy & Automation, Inc. Mechanical interlock for a vacuum contactor

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ES2161573A1 (es) * 1997-04-11 2001-12-01 Berker Geb Conmutador para persianas.
EP1615245A3 (fr) * 2004-07-08 2006-03-29 Heinrich Kopp GmbH Interrupteur d'installation universel en série
CN101017963B (zh) * 2006-12-29 2012-05-02 浙江正泰电器股份有限公司 一种机械互锁式接触器装置

Also Published As

Publication number Publication date
DE9005102U1 (de) 1991-09-05
DE59103619D1 (de) 1995-01-12
EP0455317A3 (en) 1992-05-27
EP0455317B1 (fr) 1994-11-30

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