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EP0431994B1 - Dispositif d'adaptation pour boîtier de contacts auxiliaires - Google Patents

Dispositif d'adaptation pour boîtier de contacts auxiliaires Download PDF

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Publication number
EP0431994B1
EP0431994B1 EP90403126A EP90403126A EP0431994B1 EP 0431994 B1 EP0431994 B1 EP 0431994B1 EP 90403126 A EP90403126 A EP 90403126A EP 90403126 A EP90403126 A EP 90403126A EP 0431994 B1 EP0431994 B1 EP 0431994B1
Authority
EP
European Patent Office
Prior art keywords
contactor
adaptation device
groove
lever
case
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.)
Expired - Lifetime
Application number
EP90403126A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0431994A1 (fr
Inventor
Jean Canault
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.)
Telemecanique SA
Original Assignee
La Telemecanique Electrique SA
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
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Application filed by La Telemecanique Electrique SA filed Critical La Telemecanique Electrique SA
Publication of EP0431994A1 publication Critical patent/EP0431994A1/fr
Application granted granted Critical
Publication of EP0431994B1 publication Critical patent/EP0431994B1/fr
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H01H50/545—Self-contained, easily replaceable microswitches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H15/00—Switches having rectilinearly-movable operating part or parts adapted for actuation in opposite directions, e.g. slide switch
    • H01H15/02—Details
    • H01H15/06—Movable parts; Contacts mounted thereon
    • H01H15/10—Operating parts
    • H01H15/102—Operating parts comprising cam devices

Definitions

  • the invention relates to an adaptation device placed between one of a multiplicity of contactor devices having coupling members performing distinct and substantially rectilinear strokes from which it receives a first movement and a housing of auxiliary switches which is associated with this device to receive a second movement and which has movable contact parts having a working stroke less than or equal to the previous ones.
  • This device is suitable when, for a given overall size thereof, certain proportions between the input movement and the output movement must not be exceeded.
  • the contactors are called upon to execute working strokes which increase with the size of the currents passing through their main switches.
  • the strokes of the auxiliary switches intended to operate electrical interlocks and to retransmit comparable signals are similar, since the loads which they supply always have similar characteristics.
  • one of the possible solutions to this problem may consist in the supply of a range of custom-made auxiliary switch devices for the range of corresponding contactors, such a choice is likely to unnecessarily increase the various technical manufacturing costs and management arising from the manufacture of a multiplicity of molds, the management of stocks of multiple parts, etc. Furthermore, it also involves the publication in catalog and the provision of a set of devices including neighboring external forms may cause confusion for the user.
  • the invention therefore proposes to overcome the drawbacks of the prior means and to make available to users an adaptation device which will allow mounting on any contactor device of a range, auxiliary switch devices having the size and minimum working strokes required for a combination of these with a contactor device whose nominal rating is the lowest in the range.
  • the aim is achieved thanks to the fact that in an envelope of the adaptation device, having suitable indexing means with the body of the associated contactor, is pivoted a transmission lever having, on the one hand , an arm which is provided with a groove in S shape to cooperate with each of the coupling members sliding in said groove and having, on the other hand, an external coupling claw capable of being associated with a control slide belonging to an auxiliary switch device, this groove comprising , between two non-aligned end portions, an intermediate connection portion whose length and orientation are sufficient to communicate to the lever a tilting capable of giving the claw a determined displacement for a fraction of the working stroke of the contactor having the highest working stroke of the range, said end portions not contributing to this tilting of the lever.
  • association claw is accessible when the intermediate device is already associated with the body of the contactor, a replacement of the auxiliary switch devices can then be easily operated without the need to disassemble the adaptation device.
  • a widening of the functions of the adaptation device can be obtained by means of the installation of several levers in order to have two claws capable of thus actuating a couple of auxiliary devices which can perform distinct functions such as, for example, closing and instantaneous or delayed opening of auxiliary contacts.
  • a large-caliber contactor device 1 visible in FIG. 1, includes an internal electromagnet whose non-visible movable armature performs a certain stroke during its excitation and its de-excitation.
  • a lateral coupling member such as a pin or nipple 2, being connected directly or not to this armature simultaneously performs a substantially rectilinear displacement of direction F which is used to cause the switching of associated auxiliary switches such as 3 which are , in the context of the present invention, generally intended to be combined with contactors of lower ratings.
  • auxiliary switches whose stroke of the moving parts is substantially less than the previous one, could not be coupled to this pin without the putting into service of an appropriate adaptation device such as 4.
  • auxiliary switches such as, for example, a timed switch 5
  • auxiliary switches can also be combined with the contactor 1 thanks to this same adaptation device when their sizes and the strokes of their moving parts were also initially designed as part of an association with a contactor of lower rating.
  • the adaptation device 4 comprises a hollow envelope 6 in which are symmetrically pivoted concentrically about an axis YY ′ two levers 7, 8 substantially identical, but turned 180 °.
  • the pivot can advantageously be materialized by a cylindrical rod coming from a part with the envelope.
  • Each of the levers such as 7 comprises two perpendicular arms 9, 11 on either side of the common pivot 12, one of these 9 having a claw 15 respectively 16 for example in the form of a dovetail, while the another has a light 20 respectively 30.
  • the latter takes the general form of an S, two end portions 17, 18 of which are connected by an intermediate central portion 19.
  • This lever can oscillate by a value - alpha -, during a movement whose origin will be described later, and whose amplitude is such that the claw 15 can, for example, engage a certain amount in the internal volume 21 of the envelope for an extreme working position - T -, see Figure 3, while it exceeds by another quantity - e - the surface 22 of the envelope for an opposite extreme position of rest - R - through an opening O, see Figure 1.
  • the bottom 23 of the casing 6 has a notch 24 opposite which come the ends 25, 26 of the two levers, while a side wall 27 has two holes 28, 29 placed so precise with respect to the axis XX ′ and with respect to a central oblong opening 31 directed towards this axis.
  • This oblong opening has a length - d - which is at least equal to the stroke that the coupling member 2 which can cross it can make when the envelope is precisely associated against the lateral face 32 of the contactor device. .
  • the precision of this association which is obtained here thanks to two openings, threaded on this wall such as, for example, 33, 34, see FIG. 1, receiving fixing screws which circulate through the holes 28, 29, can also use other indexing means well known per se.
  • the substantially straight stroke of the coupling member 2 is less than the total length of each light so that for each of the rest positions - R - and work - T - clearances - j1 - and - j2 - remain at both ends of the latter for said active and inactive positions of the contactor.
  • the angular displacements of the levers occur when the coupling member 2 circulates in the intermediate portion 19 inclined which connects the two non-aligned portions and substantially rectilinear ends.
  • the coupling member When, during assembly, and therefore for the de-energized state of the contactor device, the coupling member must be introduced into the two slots of the levers, these can be moved manually through the notch 24 so that s 'more easily establish an alignment allowing this introduction.
  • the claw 15 engages around a suitable extension 45 belonging to a control rod 46 of the auxiliary switches, to communicate to the latter a determined movement - e - substantially constant.
  • auxiliary switches I1, I2 must perform electrical locking functions, as is the case, for example, in direction-of-travel reversing arrangements for three-phase motors, where it is necessary to prevent overlapping of the periods d 'excitation of the two corresponding electromagnet coils, these two switches can not have simultaneous closing phases.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Mechanisms For Operating Contacts (AREA)
  • Push-Button Switches (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
EP90403126A 1989-12-08 1990-11-06 Dispositif d'adaptation pour boîtier de contacts auxiliaires Expired - Lifetime EP0431994B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR898917013A FR2655769B1 (fr) 1989-12-08 1989-12-08 Dispositif d'adaptation pour boitier de contacts auxiliaires.
FR8917013 1989-12-08

Publications (2)

Publication Number Publication Date
EP0431994A1 EP0431994A1 (fr) 1991-06-12
EP0431994B1 true EP0431994B1 (fr) 1994-07-27

Family

ID=9388832

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90403126A Expired - Lifetime EP0431994B1 (fr) 1989-12-08 1990-11-06 Dispositif d'adaptation pour boîtier de contacts auxiliaires

Country Status (7)

Country Link
US (1) US5194705A (fi)
EP (1) EP0431994B1 (fi)
JP (1) JP3142588B2 (fi)
DE (1) DE69011058T2 (fi)
ES (1) ES2057485T3 (fi)
FI (1) FI98253C (fi)
FR (1) FR2655769B1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2728383B1 (fr) * 1994-12-20 1997-07-25 Legrand Sa Interrupteur auxiliaire pour coupe-circuit, et coupe-circuit correspondant
EP0780860B1 (fr) * 1995-12-20 2003-05-07 Legrand Interrupteur auxiliaire pour coupe-circuit, et coupe-circuit correspondant
ES2134153B1 (es) * 1997-09-24 2000-05-01 Power Controls Iberica Sl Dispositivo de contactos auxiliares para conexion a contactores de correccion del factor de potencia.
EP1203390B1 (de) * 1999-08-12 2003-10-22 Siemens Aktiengesellschaft Elektromagnetisches schaltgerät
US6707688B2 (en) * 2000-01-28 2004-03-16 Hendry Mechanical Works Electric apparatus with electric terminals and fused structures
DE10013314C2 (de) 2000-03-17 2002-01-17 Siemens Ag Elektromagnetisches Schaltgerät, insbesondere Schütz
DE202008016027U1 (de) * 2008-12-04 2010-04-15 Weidmüller Interface GmbH & Co. KG Anreihbares Gehäuse

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435389A (en) * 1967-04-19 1969-03-25 Allis Chalmers Mfg Co Electromagnetic contactor having cam means for operating auxiliary switch
FR2521773B1 (fr) * 1982-02-12 1985-06-07 Telemecanique Electrique Petit contacteur equipe d'un sous-ensemble d'interrupteurs auxiliaires amovible
US4774484A (en) * 1985-04-09 1988-09-27 Square D Company Auxiliary electrical contact for electromagnetic contactor
FR2617331B1 (fr) * 1987-06-26 1989-11-03 Telemecanique Electrique Bloc de contact auxiliaire utilisable sur des appareils electromecaniques de tailles differentes
DE8713156U1 (de) * 1987-09-30 1987-12-10 La Télémécanique Electrique, Nanterre, Hauts-de-Seine Drehschalter für zumindest zwei zu betätigende Steuerglieder
FR2639144B1 (fr) * 1988-11-17 1993-05-28 Telemecanique Electrique Mecanisme a serrure pour contacteur-limiteur

Also Published As

Publication number Publication date
FR2655769B1 (fr) 1994-03-04
FI98253B (fi) 1997-01-31
FR2655769A1 (fr) 1991-06-14
FI98253C (fi) 1997-05-12
FI905940A0 (fi) 1990-12-03
JPH04126327A (ja) 1992-04-27
US5194705A (en) 1993-03-16
EP0431994A1 (fr) 1991-06-12
JP3142588B2 (ja) 2001-03-07
FI905940A (fi) 1991-06-09
ES2057485T3 (es) 1994-10-16
DE69011058D1 (de) 1994-09-01
DE69011058T2 (de) 1994-11-17

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