EP0545745A1 - Mehrpoliges Schaltgerät mit teilweise vorübergehender Betätigung - Google Patents

Mehrpoliges Schaltgerät mit teilweise vorübergehender Betätigung Download PDF

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Publication number
EP0545745A1
EP0545745A1 EP92402918A EP92402918A EP0545745A1 EP 0545745 A1 EP0545745 A1 EP 0545745A1 EP 92402918 A EP92402918 A EP 92402918A EP 92402918 A EP92402918 A EP 92402918A EP 0545745 A1 EP0545745 A1 EP 0545745A1
Authority
EP
European Patent Office
Prior art keywords
control member
assembly
contact element
switch
moving
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
EP92402918A
Other languages
English (en)
French (fr)
Other versions
EP0545745B1 (de
Inventor
Michel Ledroit
Vjekoslav Gladovic
Philippe Rix
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 SE
Original Assignee
La Telemecanique Electrique SA
Schneider Electric SE
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 La Telemecanique Electrique SA, Schneider Electric SE filed Critical La Telemecanique Electrique SA
Publication of EP0545745A1 publication Critical patent/EP0545745A1/de
Application granted granted Critical
Publication of EP0545745B1 publication Critical patent/EP0545745B1/de
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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/641—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rectilinear movement
    • 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
    • H01H9/16—Indicators for switching condition, e.g. "on" or "off"
    • H01H9/167—Circuits for remote indication
    • 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
    • H01H9/30—Means for extinguishing or preventing arc between current-carrying parts
    • H01H9/42—Impedances connected with contacts

Definitions

  • the present invention relates to a multipolar switching device with partially fleeting action.
  • It relates more particularly to a device of the type comprising a plurality of switches each comprising at least one fixed contact element cooperating with at least one mobile contact element carried by a mobile assembly common to all the switches, this movable assembly being able to be moved, by a control mechanism, between two positions, at the end of a stroke causing a change of state of at least part of the switches.
  • movable contact elements which consist of movable contact bridges are mounted on a movable assembly presented under the shape of a "rake" constituted by an insulating support pierced with identical rectangular openings, staggered side by side and in each of which is engaged transversely a movable contact bridge.
  • the moving assembly is produced in the form of a rigid assembly, usually one-piece, capable of driving in translation, synchronously and permanently, all of the movable contact bridges. , to ensure the closing or opening of the electrical contacts.
  • the contact pressure between the contact bridges and the fixed contact elements is then ensured by means of a coil spring housed in each opening of the rake and placed in support of the movable contact bridge passing through this opening.
  • the object of the invention is therefore more particularly to provide a switching device capable of solving the problems mentioned above thanks to a particularly well suited switching sequence.
  • the invention provides a switching device comprising, housed in the same housing, at least one switch provided with at least one fixed contact element and one movable contact element urged by a movable assembly, and a control member capable of ensuring the actuation of the moving element.
  • this device is characterized in that said control member is connected to the movable assembly of the switch via a mechanical connection comprising a disengageable coupling capable of passing into the disengaged position during the outward stroke of the control member when the resistive force exerted by the moving element rises above a determined threshold, then to return again to the engaged position at the end of the return stroke of the control member .
  • the above disengageable coupling can comprise two magnetically coupled parts. However, it can be achieved using elastic snap-fastening means.
  • the auxiliary switch module shown in solid lines in Figures 1 to 3, involves, housed in a substantially rectangular housing 1 supporting four pairs of fixed contact elements F1, F'1 - F2, F'2 - F3, F '3 - F4, F'4, a mobile assembly in the form of a rake 2.
  • On the rake are mounted four mobile contact bridges P1, P2, P3, P4 which cooperate respectively with the pairs of fixed contacts F1 , F'1 - F2, F'2 - F3, F'3 - F4, F'4 to form four switches I1-I4.
  • the rake 2 is produced in the form of a flat insulating support, pierced with identical rectangular parallel openings O1 to O4, staggered side by side, in each of which is engaged a movable contact bridge P1 at P4.
  • each movable contact bridge is constituted by a bar 3 carrying in bridge, on its upper face, two movable contacts 4, 5 which cooperate with an alignment of two fixed contacts F, F 'located on either side of the rake 2.
  • This bar 3 is, moreover, urged by a compression spring R bearing on the underside of the opening O.
  • the rake 2 comprises, in its upper part, a coupling member 6 (of T-shaped section) which is intended to be connected, in a conventional manner, to a connection element integral with the movable assembly of a contactor. Thanks to this coupling, the rake 2 is driven in translation by a member leading from the contactor so as to ensure, on the one hand, the closing of the auxiliary electrical contacts with a suitable pressure determined by the springs R and, on the other hand, opening of these contacts.
  • the switch I1 is of the opening type and the switches I2-I4 of the closing type, while the pair of fixed contacts F1, F'1 associated with the contact carrier P1 is offset with respect to the pairs of fixed contacts F2, F'2 - F3, F'3 - F4, F'4 associated with movable contact carrier P2, P3, P4, along the axis of movement of the rake 2.
  • the switches I1-I4 respectively associated with the two parts 7, 9 of the rake can be of the same type, for example closing , or the switch I1 can be closed and I2-I4 open.
  • the two parts 7, 9 of the rake 2 are coupled to each other disengageably by means of a permanent magnet 10 fixed, by means of a stirrup 11, on the upper face of the part 9 situated opposite the 'transverse element 8, and a plate 12 of magnetizable material fixed, for example, by gluing to the underside of the transverse element.
  • the rake 2 At rest, the rake 2 is in a position such that it maintains the contact bridge P1 applied to the pair of fixed contacts F1, F'1 and the mobile contact bridges P2 to P4 spaced from the pairs of fixed contacts (F2, F'2 - F3, F'3 - F4, F'4).
  • the contacts F1, F'1 are opened at the end of the first period. In another application, it can be done during the second period.
  • the invention is not limited to this type of application, it being understood that numerous assemblies using this asynchronous operating mode can be envisaged, for example each time that it is desired to obtain a fugitive actuation or display at by means of certain poles and an actuation or display maintained by means of other poles.
  • the invention does not only apply to an auxiliary module.
  • FIG. 1 the concept of a rake 2 produced in two parts 7, 9 connected together by a disengageable coupling 10, 12 is applicable to the rakes used by the contactors themselves.
  • this contactor comprising a housing 14 containing an electromagnet 15 whose movable armature 16 is coupled to the rake 2.
  • each of the two parts 7, 9 of the rake 2 could include a different number of openings O and opening or closing contacts arranged at will in one or the other of the parts 7, 9.
  • the disengageable coupling can be produced differently.
  • the permanent magnet 10 could be associated, as shown in FIGS. 4 and 5, with a U-shaped magnetic circuit 17 whose extreme edges attract the wafer 12.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Keying Circuit Devices (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Push-Button Switches (AREA)
EP19920402918 1991-12-05 1992-10-26 Mehrpoliges Schaltgerät mit teilweise vorübergehender Betätigung Expired - Lifetime EP0545745B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9115069A FR2684797B1 (fr) 1991-12-05 1991-12-05 Dispositif de commutation multipolaire a action partiellement fugitive.
FR9115069 1991-12-05

Publications (2)

Publication Number Publication Date
EP0545745A1 true EP0545745A1 (de) 1993-06-09
EP0545745B1 EP0545745B1 (de) 1995-11-29

Family

ID=9419698

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19920402918 Expired - Lifetime EP0545745B1 (de) 1991-12-05 1992-10-26 Mehrpoliges Schaltgerät mit teilweise vorübergehender Betätigung

Country Status (5)

Country Link
EP (1) EP0545745B1 (de)
JP (1) JPH05266778A (de)
DE (1) DE69206389T2 (de)
ES (1) ES2082411T3 (de)
FR (1) FR2684797B1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN204155862U (zh) 2012-05-02 2015-02-11 西门子公司 电开关组件和辅助开关
EP3002769B1 (de) 2014-10-01 2017-06-14 Siemens Aktiengesellschaft Integriertes Schütz

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH180510A (de) * 1935-06-07 1935-10-31 Daetwyler Jun Adolf Schaltschütz.
US3451018A (en) * 1967-11-24 1969-06-17 Ite Imperial Corp Contactor electromagnet
DE2252004A1 (de) * 1971-10-25 1973-05-03 Merlin Gerin Elektrischer schalter
FR2214957A1 (de) * 1973-01-19 1974-08-19 Telemecanique Electrique
EP0058235A2 (de) * 1981-02-12 1982-08-25 Siemens Aktiengesellschaft Elektromagnetisches Schaltgerät
FR2519186A1 (fr) * 1981-12-24 1983-07-01 Telemecanique Electrique Contacteur de faible encombrement a haut niveau d'isolement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH180510A (de) * 1935-06-07 1935-10-31 Daetwyler Jun Adolf Schaltschütz.
US3451018A (en) * 1967-11-24 1969-06-17 Ite Imperial Corp Contactor electromagnet
DE2252004A1 (de) * 1971-10-25 1973-05-03 Merlin Gerin Elektrischer schalter
FR2214957A1 (de) * 1973-01-19 1974-08-19 Telemecanique Electrique
EP0058235A2 (de) * 1981-02-12 1982-08-25 Siemens Aktiengesellschaft Elektromagnetisches Schaltgerät
FR2519186A1 (fr) * 1981-12-24 1983-07-01 Telemecanique Electrique Contacteur de faible encombrement a haut niveau d'isolement

Also Published As

Publication number Publication date
JPH05266778A (ja) 1993-10-15
DE69206389D1 (de) 1996-01-11
FR2684797B1 (fr) 1994-03-04
DE69206389T2 (de) 1996-04-18
EP0545745B1 (de) 1995-11-29
ES2082411T3 (es) 1996-03-16
FR2684797A1 (fr) 1993-06-11

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