EP1220254A1 - Elektromechanischer Schütz mit einem Spiel geeignet zum Anschluss von elektrischen Leitern - Google Patents

Elektromechanischer Schütz mit einem Spiel geeignet zum Anschluss von elektrischen Leitern Download PDF

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Publication number
EP1220254A1
EP1220254A1 EP01403375A EP01403375A EP1220254A1 EP 1220254 A1 EP1220254 A1 EP 1220254A1 EP 01403375 A EP01403375 A EP 01403375A EP 01403375 A EP01403375 A EP 01403375A EP 1220254 A1 EP1220254 A1 EP 1220254A1
Authority
EP
European Patent Office
Prior art keywords
housing
carcass
contactor
contactor according
fixed
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
EP01403375A
Other languages
English (en)
French (fr)
Other versions
EP1220254B1 (de
Inventor
Eric Girauldon
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.)
Legrand SNC
Legrand France SA
Original Assignee
Legrand SA
Legrand SNC
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 Legrand SA, Legrand SNC filed Critical Legrand SA
Publication of EP1220254A1 publication Critical patent/EP1220254A1/de
Application granted granted Critical
Publication of EP1220254B1 publication Critical patent/EP1220254B1/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
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H01H11/04—Apparatus or processes specially adapted for the manufacture of electric switches of switch contacts
    • H01H11/06—Fixing of contacts to carrier ; Fixing of contacts to insulating carrier

Definitions

  • This type of contactor known from document FR-2 652 947, has a a number of drawbacks.
  • the invention aims to overcome in particular the aforementioned drawbacks, by offering a contactor that is reliable, precise and fast, while presenting a simple structure facilitating its assembly.
  • the carcass comprises a base which has at least one foot forming said second jaw, projecting longitudinally towards said first jaw, and in that the housing comprises, opposite said foot, at least one tab forming said first jaw, projecting longitudinally from the housing to said carcass.
  • the contactor is for example bipolar, and therefore comprises two pairs of conductors.
  • the base then includes in particular four feet substantially parallel, while the housing has four legs facing each other said feet for tightening the four conductors.
  • the base may have, between two adjacent feet, a housing adapted to receive said fixed frame.
  • This housing comprises for example an extended abutment surface between said feet, against which is likely to be pressed said fixed frame in the working position of the electromagnet, while it is provided between said abutment surface and said armature fixes a clearance in the rest position of the electromagnet.
  • said clamping means is a screw.
  • the housing has for example a through hole forming a passage for the screw, while the base has, for example opposite said hole through, a threaded bore adapted to receive said screw, coaxial with said hole crossing.
  • the through hole is for example made in a projecting chimney of the case towards the carcass.
  • the bore is, for its part, practiced for example in a barrel which is provided the base, facing said chimney.
  • the housing has a capacity to flex, in line with said clamping means, in the direction of the carcass.
  • the housing is suitable, thanks to its own elasticity, to slow down the free rotation of the screw and thus maintain constant tightening the conductors.
  • each conductor has a part end whose end carries or forms said fixed contact, the conductor being immobilized, by being clamped between said jaws, at this part extreme.
  • control switch 1 electromechanical of the type designed in particular to connect to the electrical distribution an electrical appliance (not shown).
  • the contactor 1 comprises a housing 2 in which is housed an electromagnet 3, the power supply of which controls the operation of the electrical appliance.
  • the housing 2 comprises a housing body 4 intended to be fixed so removable on a rail of an electrical cabinet (not shown) by means of a hanging system composed of a pair of claws 5, 6 facing each other, one of which 5 at least is sliding, and is biased towards the other 6 by a return spring 7.
  • the housing 2 further comprises a cover 8 which surmounts the housing body 4 being both fitted and snapped into it.
  • the cover 8 is in hat shape and has a nose 9 intended to be engaged in the window a faceplate (not shown) of the electrical cabinet, to provide access to the less visible to contactor 1.
  • the electromagnet 3 comprises on the one hand, a fixed part 10 including a coil 11 supported by a carcass 12 fixed to the housing 2 and a fixed armature 13 associated with the coil 11, and, on the other hand, a movable armature 14 located opposite the fixed frame 13.
  • the movable frame 14 is able to assume a rest position (FIGS. 2, 3, 6, 8, 9, 12, 14) in which it is separated from the fixed frame 13 by being located at an air gap therefrom, and a working position (FIGS. 4, 5, 7, 10, 11, 13) in which it is pressed against the fixed frame 13.
  • the movable armature 14 is biased towards its rest position by a spring reminder 15 which bears against the housing body 4.
  • An actuator 16 is coupled to the movable frame 14 to drive a contact bridge 17, 17 ′ capable of establishing an electrical connection between a first and a second conductor 18, 19, mounted in the housing body 4, and located opposite.
  • the contactor 1 of the bipolar type comprises two first conductors 18 and two second conductors 19.
  • the contactor 1 For its connection to the electrical network, the contactor 1 comprises two first power terminals 20 disposed on the same side of the housing 2, and one of which is intended to connect one of the first conductors 18 to a pole of the network, while the other is intended to connect the other first conductor 18 to another pole of the network.
  • Two second power terminals 21 are also provided for similarly connect the second conductors 19 to the device electric.
  • each power terminal 20, 21 is arranged to pinch a bare electrical wire from the electrical network.
  • each terminal 20, 21 has a connection element mobile 22 slidably mounted in the housing body 4, the sliding of this element 22 being controlled by a clamping screw 23 engaged in a hole 24 of the cover 8, and which, bearing on the conductor 18, 19, causes by its rotation the pinching of the bare wire between the connection element 22 and the conductor 18, 19, on which the connection element 22 is engaged.
  • Each power terminal 20, 21 is mounted in the housing body 4 next to a window 25 made therein for the passage of the bare wire electrical network correspondent.
  • connection element 22 has a projection 26 forming a flap capable of closing the window 25 during sliding of element 22 (FIG. 2).
  • the contactor 1 further comprises two control terminals 27 for the connection of the coil to a supply control circuit thereof.
  • Each first conductor 18 has an end portion 28, the door end or forms a fixed contact 29, while each second conductor 19 has an end portion 30 disposed opposite the end portion 28 of the first conductor 18, this end portion 30 also carrying or forming a fixed contact 31.
  • Each contact bridge 17, 17 ' is in the form of a conductive strip whose ends carry or form a movable contact 32, 33 can be applied against a fixed contact 29, 31 to connect between them the conductors 18, 19.
  • the contact bridge 17, 17 ' is able to occupy a closed position in which it establishes an electrical connection between the fixed contacts 29, 31 via, respectively, movable contacts 32, 33, and a position opening in which it is remote from the conductors 18, 19, these movable contacts 32, 33 then being spaced from the fixed contacts 29, 31.
  • the contact bridge 17 is arranged to occupy its closed position, that is to say connect the fixed contacts 29, 31, in the working position of the movable armature 14, as it appears in Figures 4 and 5, as well as in Figure 7.
  • Such a contact bridge 17 is said to be of the "closing" type.
  • the contact bridge In the opening operating mode, the contact bridge, referenced 17 'for clarity, is arranged to occupy its position of closing, that is to say to connect the fixed contacts 29, 31, in the position of rest of the movable armature 14, as it appears in FIGS. 8 and 9, as well as in FIG. 12.
  • Such a contact bridge 17 ′ is said to be of the “opening” type.
  • the contactor 1 is arranged to operate both when opening and when closure, as shown in what follows.
  • the actuator 16 has a U-shaped section and includes a transverse base forming a contact carrier block 34 of which project two branches opposite parallels 35 which each have one end 36 engaged on the end of a transverse rod 37 passing through a bore of the movable frame 14, so that the actuator 16 is coupled to the movable armature 14.
  • the contact holder block 34 includes two paired contact holders 38 located substantially in the extension of the branches 35.
  • Each contact carrier 38 comprises two superimposed compartments, know an upper compartment 39 adapted to receive a contact bridge 17 of the closing type, as well as a lower compartment 40 adapted to receive a bridge contact type 17 'of the opening type.
  • the upper compartment 39 and the lower compartment 40 are separated from each other by a partition 41 having two opposite faces respectively forming a first abutment surface 42 looking towards the movable frame 14, and a second abutment surface 43 looking towards the opposite.
  • the upper compartment 39 is delimited longitudinally on the one hand by the first abutment surface 42, on the other hand by a transverse face 44 in look of it, and, transversely, by two upper walls 75, longitudinal, opposite.
  • a contact bridge 17 of the type closure is inserted in the upper compartment 39 when requested towards its closed position by a contact spring 45 operating at the compression, which is associated with it, and which rests on the one hand on the bridge of contact 17, and on the other hand against the transverse face 44, so that the assembly contact bridge 17- spring 45 is embedded in the contact holder block 34.
  • the contact block 34 moves longitudinally in a space 46 formed between, on the one hand the electromagnet 3, more particularly the fixed frame 13, and on the other hand a bottom wall 47 of the body 4.
  • the lower compartment 40 is delimited longitudinally, on the one hand by the partition 41, and on the other hand by a wall 48 substantially parallel to the partition 41, forming a free end of the actuator 16, and separating the lower compartment 40 from the bottom wall 47.
  • the compartment lower 40 is delimited transversely by two lower walls 78, longitudinal, opposite.
  • a bridge contact 17 'with opening is inserted in the lower compartment 40.
  • the contact bridge 17 ′ is glued against the conductors 18, 19 while being held in this position by a contact spring 49 to compression which is supported on the one hand on the contact bridge 17 ', and on the other hand on a bearing surface 50 of the bottom wall 47 of the housing body 4, turned to the movable frame 14.
  • the wall 48 makes it possible in particular to stiffen the contact holder block 34, while that the through hole 51, which here has a diameter slightly greater than that of the spring 49, makes it possible to avoid any bending and any untimely escape of it.
  • the spring 49 has, without stress, a propeller pitch, that is to say a distance between two successive turns, of value less than that of the thickness of the partition 48, so as to avoid any risk of engagement of the spring 49 with the partition 48 between two successive turns.
  • the electromagnet 3 will now be described in more detail.
  • the carcass 12 is of substantially I-shaped section, and comprises a base 54 and a plate 55 connected by a central core 56 hollow around which is wound the coil 11 which is trapped between the base 54 and the plate 55.
  • Each frame 13, 14 has an E-shaped section, and has two end branches 57 framing the coil 11 and its carcass 12, thus that a central branch 58 engaged inside the core 56.
  • the carcass 12 has four feet 59 which project from the base 54 in direction of the bottom wall 47 of the housing body 4.
  • the latter includes four legs 60, arranged opposite feet 59.
  • the legs 60 project from the bottom wall 47 with which they are coming from material, towards the carcass 12.
  • each conductor 18, 19 is located immobilized by being clamped, near the fixed contact 29, 31, between a first jaw belonging to the housing 2 and formed by one of the legs 60, and a second jaw belonging to the carcass 12, and formed by the foot 59 corresponding.
  • Each screw 61 is inserted into a through hole 62 made in the bottom wall 47 of the housing body 4, and forming a passage for the screw 61, the latter being also engaged in a threaded bore 63 of the base 54, located in look of the through hole 62 and coaxial with it.
  • the through hole 62 is made in a chimney 64 projecting from the bottom wall 47 towards the carcass 12.
  • the bore 63 is made in a barrel 65 projecting from the base 54 towards the bottom wall 47, facing the chimney 64.
  • the clearance J is the distance which separates the chimney 64 from the barrel 65 when assembly of the carcass 12 to the housing body 4 is carried out, at least before that the conductors 18, 19 are not tightened.
  • the bottom wall 47 has a capacity to flex during tightening the screws 61, towards the carcass 12.
  • the clearance J can cancel each other out, in particular by bending the bottom wall 47, the chimney 64 and the barrel 65 then coming into contact. This prevents excessive tightening of the screws 61, which could damage or even break the housing body 4.
  • the actuator 16 is guided in its movement by grooves provided for this purpose in the housing body, while it is biased towards the rest position by the return spring 15 which is compressed, in the space 46, between the contact carrier block 34 and the bottom wall 47 of the body housing 4.
  • the return spring 15 is firstly inserted in the bore of a cylindrical well 66 produced in the contact holder block 34 and located between contact holders 38.
  • the return spring 15 is on the other hand fitted onto a stud 53 forming a stop for the spring 15, and projecting from the bottom wall 47 with which it came from.
  • the contactor 1 comprises other constituent elements, which are described succinctly now.
  • a plate 67 snapped into the body of case 4, on which is slidably mounted a pusher 68 movable between three stable positions, i.e. an automatic operating position, a forced operation position, as well as a deactivation position.
  • the plate 67 also forms a guide for a lever 69, one of which end is fitted onto rod 37, while the other end forms a retractable indicator 70 capable of appearing or disappearing, depending on the position of the movable frame 14, opposite a window 71 closed by a flap 72 allowing access to the pusher 68.
  • the base 54 of the carcass 12 has, between two feet 59 adjacent located on the same side of the base 54, a housing 73 in which is introduced the fixed frame 13.
  • This housing 73 has an extended transverse abutment surface 74 between the feet 59, looking towards the bottom wall 47 of the housing body 4, and against which the fixed frame 13 is pressed in the working position of the frame 14.
  • each door contact 38 includes a single compartment of the lower compartment type 40 described above and adapted to receive both a contact bridge of the type to closing than an opening type contact bridge.
  • first abutment surface 42 is carried by the wall 48 of the compartment, while the second abutment surface 43 is formed by an upper transverse face of the compartment, opposite the first abutment surface 42.
  • the conductors are found immobilized by being clamped between the jaws 59, 60, elsewhere than at their ends, depending on the configuration of the contactor, shape or arrangement conductors.
  • the contactor is multipolar, for example of the quadrupole type, the contact block comprising for this purpose two pairs of contact carriers, one of these pairs operating by example on opening, while the other of these pairs works on closing.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Multi-Conductor Connections (AREA)
  • Pinball Game Machines (AREA)
  • Apparatus For Radiation Diagnosis (AREA)
  • Valve Device For Special Equipments (AREA)
  • Contacts (AREA)
EP01403375A 2000-12-28 2001-12-27 Elektromechanischer Schütz mit einem Spiel geeignet zum Anschluss von elektrischen Leitern Expired - Lifetime EP1220254B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0017218 2000-12-28
FR0017218A FR2819095B1 (fr) 2000-12-28 2000-12-28 Conctacteur a commande electromecanique presentant un jeu pour permettre le serrage de conducteurs

Publications (2)

Publication Number Publication Date
EP1220254A1 true EP1220254A1 (de) 2002-07-03
EP1220254B1 EP1220254B1 (de) 2006-03-01

Family

ID=8858338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP01403375A Expired - Lifetime EP1220254B1 (de) 2000-12-28 2001-12-27 Elektromechanischer Schütz mit einem Spiel geeignet zum Anschluss von elektrischen Leitern

Country Status (6)

Country Link
EP (1) EP1220254B1 (de)
AT (1) ATE319181T1 (de)
DE (1) DE60117511T2 (de)
ES (1) ES2259653T3 (de)
FR (1) FR2819095B1 (de)
PL (1) PL198841B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011015232A1 (en) * 2009-08-04 2011-02-10 Abb Ab A switching device
CN110164736A (zh) * 2015-07-01 2019-08-23 松下知识产权经营株式会社 电磁继电器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149987A1 (de) * 1971-10-07 1973-04-12 Lumberg Karl Kg Relaisfassung
DE19854625A1 (de) * 1997-12-01 1999-06-02 Fuji Electric Co Ltd Kontaktanordnung für elektromagnetisches Schaltschütz
WO2000034970A1 (fr) * 1998-12-04 2000-06-15 Schneider Electric Industries Sa Contacteur electromecanique

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2149987A1 (de) * 1971-10-07 1973-04-12 Lumberg Karl Kg Relaisfassung
DE19854625A1 (de) * 1997-12-01 1999-06-02 Fuji Electric Co Ltd Kontaktanordnung für elektromagnetisches Schaltschütz
WO2000034970A1 (fr) * 1998-12-04 2000-06-15 Schneider Electric Industries Sa Contacteur electromecanique

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011015232A1 (en) * 2009-08-04 2011-02-10 Abb Ab A switching device
US8314670B2 (en) 2009-08-04 2012-11-20 Abb Ab Switching device
CN102484019B (zh) * 2009-08-04 2015-03-18 Abb(瑞典)股份公司 开关设备
CN110164736A (zh) * 2015-07-01 2019-08-23 松下知识产权经营株式会社 电磁继电器

Also Published As

Publication number Publication date
ATE319181T1 (de) 2006-03-15
PL351298A1 (en) 2002-07-01
DE60117511D1 (de) 2006-04-27
FR2819095B1 (fr) 2003-03-28
ES2259653T3 (es) 2006-10-16
EP1220254B1 (de) 2006-03-01
DE60117511T2 (de) 2006-11-16
FR2819095A1 (fr) 2002-07-05
PL198841B1 (pl) 2008-07-31

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