EP0551777A1 - Schaltgeräte für elektromagnetische und manuelle Betätigung - Google Patents

Schaltgeräte für elektromagnetische und manuelle Betätigung Download PDF

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Publication number
EP0551777A1
EP0551777A1 EP92403335A EP92403335A EP0551777A1 EP 0551777 A1 EP0551777 A1 EP 0551777A1 EP 92403335 A EP92403335 A EP 92403335A EP 92403335 A EP92403335 A EP 92403335A EP 0551777 A1 EP0551777 A1 EP 0551777A1
Authority
EP
European Patent Office
Prior art keywords
button
circuit
carcass
electromagnet
auxiliary
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
EP92403335A
Other languages
English (en)
French (fr)
Other versions
EP0551777B1 (de
Inventor
Lucien Dinckel
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.)
Hager Electro SAS
Original Assignee
Hager Electro 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 Hager Electro SAS filed Critical Hager Electro SAS
Publication of EP0551777A1 publication Critical patent/EP0551777A1/de
Application granted granted Critical
Publication of EP0551777B1 publication Critical patent/EP0551777B1/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
    • H01H50/60—Contact arrangements moving contact being rigidly combined with movable part of magnetic circuit
    • 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
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection
    • 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
    • H01H50/326—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection
    • H01H2050/328—Latching movable parts mechanically with manual intervention, e.g. for testing, resetting or mode selection with manual locking means having three positions, e.g. on-off-automatic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support

Definitions

  • Second elastic return means can be arranged to return the override button from its "Manual” position to its "Automatic” position when the button retaining means in the "Manual” position are put out of action by the displacement of the movable armature due to energization of the electromagnet.
  • FR-A-2 383 480, FR-A-2 484 694 and FR-A-2 533 068) in which the closing and opening of the contact bridges is carried out by a complex mechanism comprising on the one hand a pallet or a cylinder head secured to the armature of the electromagnet, which describes an angular movement under the action of the latter, and on the other hand a slide on which the pallet acts or the cylinder head for transmitting the movement of the armature to a contact bridge support integral with said slide.
  • the kinematics of known devices is complicated and is all the more perfectible as it requires a certain number of articulations, axes of rotation, bearings, snap-on parts, asymmetries and door false, which, in addition to the costs associated with the large number of parts and their assembly, not only penalizes the transmission of the action of the electromagnet, or resulting force, but also is a source of breakdowns.
  • the invention therefore aims to provide a new arrangement of this type of device, improving the operation and efficiency of these devices, with a reduced number of parts.
  • Another objective of the invention is to reduce the manufacturing costs of these devices, while making them more reliable and less bulky.
  • Another object of the invention is to provide an apparatus which can be declined in various variants corresponding to different control voltages and / or to different numbers and positions of the contacts of the working circuit (s).
  • Another object of the invention is to provide an apparatus which can be easily adapted to the control of several working circuits.
  • the frame can be arranged so as to be braked in its active limit switch, by the elastic contact blades of the auxiliary circuit which thus act as a shock absorber.
  • the lower part of the slider has substantially the shape of a plate parallel to the median plane of the carcass, which comprises, on each of its two flat faces, a central projecting part coming from molding and delimiting a housing for a bridge. contact and its pressure spring, and which is designed to be able to slide in a bottom part of the housing, while the support carcass is supported on said bottom part, the maintenance of the magnetic circuit and slide assembly being completed by the complementarity of form between the device housing and this assembly.
  • the means for guiding the override button can form two parallel slides in which snap guide projections provided on the sides of the override button. In the vicinity of their central part, these slides can each have a relief intended to cooperate with said guide projections to determine a forced crossing zone between the zones corresponding to the "Stop" and "Automatic" positions of the override button. In the vicinity of the end of the slides, opposite the zone corresponding to the "Stop" position, the carcass may carry support means for a spring acting as second elastic return means.
  • each sectioning contact blade of an auxiliary circuit it is possible to provide a pusher guided by one end in a hole made in the top of the carcass, this end of the pusher being biased by a ramp profile formed at the part lower of the override button, and the other end of which is engaged with the elastic contact blade which acts as an elastic return means.
  • the elastic contact blades can have substantially the shape of a U and can be clipped to the base of the carcass by their bent end, so as to have a lower branch parallel to, and located on the side of, the bottom of the housing and an upper branch parallel to the previous one and more distant from said bottom, the two branches tending to move away from one of the 'other and the end of the upper branch being applied elastically against an auxiliary fixed contact connected to an auxiliary terminal.
  • the pusher is engaged with the upper branch.
  • the elastic contact blades are electrically connected to the electromagnet by their bent part or by a tab extending therefrom.
  • At least two elastic contact blades are provided, arranged on the same side, or diagonally on either side, of the median plane of the housing.
  • the switching device can comprise means for rectifying the alternating current supplying the electromagnet.
  • the lower and upper branches of the U-shaped elastic contact blades can be used very advantageously for bridging the rectifying means, by simple elastic contact, for example with the conductors of the electronic components or with contact tracks of a printed circuit.
  • the switching device may include, for example, inserted in the auxiliary circuit, components or printed circuits intended to supply the electromagnet with rectified current.
  • the bottom of the housing comprises means for receiving the printed circuit boards, arranged so as to ensure the aforesaid bridging by the contact blades; this bridging is notably ensured by the lower branches of the U-shaped blades, but can also be provided by branches if necessary.
  • upper of these blades which can then advantageously include an extension directed towards the bottom of the housing and / or by a contact tab of an auxiliary terminal, while certain elastic contact blades can have a lateral tab to ensure an electrical connection with a juxtaposed blade.
  • the slide is made in one piece, in particular by molding, and can even incorporate a means of indicating its actuation position visible from the outside of the housing.
  • the switch device shown in Figure 1 comprises a modular housing formed by a cover 1 and a base or base 2 comprising conventional clip means 3 and 4 to secure the device to a conventional support rail, not shown.
  • the switching device has four power terminals or main terminals 5 mounted by fitting into the bottom 2.
  • the main terminals 5 face each other in pairs on either side of the longitudinal median plane of the housing and extend inwards. of the housing by blades 6, the free ends of which each form a fixed contact member 7, and which fit by sliding in a groove 8 in the bottom 2.
  • blades 6 the free ends of which each form a fixed contact member 7, and which fit by sliding in a groove 8 in the bottom 2.
  • it can of course only be provided for a single set of terminals and fixed contacts or more than two sets, the housing being in the latter case wider.
  • the blades 6 can be arranged to form upper contacts 7 (FIG. 6), normally in contact with the movable contact (described below) at rest or alternatively, as shown in FIG. 1, lower contacts 7 normally distant from the contact mobile at rest.
  • the short sides 9 and 10 perpendicular to said median plane, of the cover 1 have successive shoulders 11 and 12.
  • the shoulders 11 cover the power terminals 5 while ensuring access thereto, while each shoulders 12 receives an auxiliary terminal 13, also accessible from the outside, with one or more fixed contact tabs 13a or 13b directed towards the bottom of the housing (towards the bottom of the figures).
  • the cover 1 and the bottom or base 2 are assembled by elastic interlocking 14 and 15, possibly completed by bonding or welding.
  • FIGS. 2 and 3 Reference is now mainly made to FIGS. 2 and 3 for the description of the active part of the switch device of FIG. 1.
  • This first comprises a magnetic circuit with fixed electromagnet 16 and fixed armatures 17 and mobile 18.
  • the electromagnet 16 is mounted on a support carcass 19 formed of two separate plastic parts, a base 19a and a top 19b.
  • the movable frame 18 can move in translation parallel to the median plane connecting the top and the base of this carcass 19, which plane coincides with the median plane of the housing.
  • auxiliary control circuit mainly comprising elastic contact blades 20 clipped onto the base 19a of the carcass 19.
  • two blades 20 are shown mounted on the base 19a, two others being shown separately. They essentially have a U shape with a solder tab 21 in the vicinity of their bent part 22 for the electrical connection with the coil of the electromagnet and two upper 23 and lower 24 branches, the upper branches 23 being elastically in contact. contact tabs 13a of the auxiliary terminals 13. Different models of contact blades will be described later.
  • a movable contact carrier intended to open or close one or more internal working circuits or power circuits (2 in the case shown) established between the main terminals 5 and comprising in particular the fixed contacts 7.
  • the contact carrier or mobile support is a slide 25 in the form of a plastic frame, which substantially surrounds the carcass-magnetic circuit assembly and which is capable of moving in translation under the action of the mobile armature 18 of which it is secured by a connection by interlocking by tenon 26 and mortise 27, against the action of a return spring 58.
  • the slide 25 has two uprights 28 parallel to the short sides of the housing and joined in the vicinity of their upper ends (this is that is to say on the top side of the case) by a flat cross member 29 parallel to the bottom of the case and having on its lower face the tenon 26.
  • the frame At its base (that is to say on the bottom side 12 of the housing), the frame is closed by a plate-shaped part 30 which is parallel to the median plane and which carries on each of its vertical faces a projecting central part 31 having a housing 32 for conductive parts acting as contacts movable or contact bridges 33. These are held in their housing 32 by a pressure spring 34 which is placed in the housing 32 above the contact bridge 33, before the establishment of the bridge.
  • the central projecting part 31 is surmounted by a mortise 35 provided for mounting a part carrying one or more additional contact bridges (case not shown) in the case where more than two power circuits are provided as mentioned more high.
  • an override button 36 is provided which is guided in translation (in the median plane of the housing and transversely to the direction of movement of the slide 25) relative to the housing from which it emerges through a window 37.
  • This button 36 is capable of occupying three positions in which it is held by retaining means, namely a central "Automatic" position (case shown in the figures) and two lateral positions “Stop” and “Manual".
  • the button 36 In the “Automatic” position, the button 36 has no action either on the auxiliary circuit or on the slide 25 which can thus be brought from a rest position to an active end-of-travel position by the movable armature 18 when the electromagnet 16 is energized.
  • the button 36 In the "Stop” position, the button 36 causes the auxiliary circuit to be cut in a manner which will be detailed below and thus neutralizes the magnetic circuit.
  • the button 36 mechanically causes the contact bridges 33 to press on the fixed contacts 7.
  • a return spring 38 is provided, which is arranged to bring the button 36 back from its “Manual” position. in its “Automatic” position when means for retaining the button in the “Automatic” position are put out of action by the movement of the movable armature 18 due to the energization of the electromagnet 16.
  • the override button 36 is maintained and guided in translation in two bridges 39 forming slides provided at the top 19b of the support carcass 19 on either side of the median plane thereof and in which the button 36 is snapped into place by guide projections 40 provided on its sides.
  • the bridges 39 each have a relief 41 directed downward from the upper branch of the trigger guard.
  • the reliefs 41 form a forced crossing point and an elastic retaining means between the "Stop" and "Automatic" positions.
  • the slide 25 has in the center of its cross 29 a relief 42 provided with a ramp 43 intended to cooperate with a relief with complementary ramp 72 of the button 36 when the latter is brought into the "Manual" position, such so that the slider is directly biased towards the closed position of the working circuit.
  • the button 36 compresses the return spring 38 placed between a projection 44 of the button and a spoiler 45 carried by a stock 46 secured to the top 19b of the support carcass 19.
  • the opening of the auxiliary circuit when the button 36 is in the "Stop" position is ensured by a pusher 47 which is mounted between the top 19b of the support carcass 19 in which it can slide by an end 48 of smaller diameter, a hole 49 being provided for this purpose in the carcass, and the upper branch 23 of a contact blade 20.
  • Contact between the pusher 47 and the contact blade 20 is ensured by means of the other end 50, of smaller diameter , pusher 47, which is engaged in a hole 51 made in the branch upper 23 of the contact blade 20.
  • the override button has a ramp 52 designed to move the pusher 47 in the direction of separation of the upper branch 23 from its contact, by action on the end 48 of the pusher 47.
  • the slide 25 also incorporates an indication means 53 visible from the outside through a porthole 54 placed in a cavity 55 formed in the top of the cover 1.
  • This indication means 53 has two different colors to indicate respectively the closing. and the opening of the internal working circuit.
  • the base 2 of the case mainly comprises a double bottom 56 interrupted in the middle part of the bottom to allow passage to the movable contacts 33.
  • the double bottom 56 On either side of this central part, the double bottom 56 has a groove 57 parallel to said bottom 2, into which the lower part 30 of the slide 25 is inserted during assembly of the assembly.
  • the slider 25 can slide in this groove against or by the action of its return spring 58 which is held by a finger 59 provided on the bottom 2 of the housing.
  • Additional positioning means may be provided, for example positioning plates 60 and / or a relief 61 of the slide 25 fitting into a T-shaped part 62 of the groove 57.
  • the magnetic carcass-circuit assembly rests on stops 63 of the bottom 2 which can also have positioning means 64.
  • various models of contact blades can be used, namely U-shaped blades with simple branch ends, with a bent extension at a right angle 70 on the upper or lower branch and / or with lateral tab 71 for connection with a juxtaposed blade.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lock And Its Accessories (AREA)
  • Tumbler Switches (AREA)
  • Push-Button Switches (AREA)
  • Brushes (AREA)
  • Vehicle Body Suspensions (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
EP92403335A 1992-01-14 1992-12-09 Schaltgeräte für elektromagnetische und manuelle Betätigung Expired - Lifetime EP0551777B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9200295A FR2686188B1 (fr) 1992-01-14 1992-01-14 Perfectionnement aux appareils interrupteurs a commande electromagnetique et manuelle.
FR9200295 1992-01-14

Publications (2)

Publication Number Publication Date
EP0551777A1 true EP0551777A1 (de) 1993-07-21
EP0551777B1 EP0551777B1 (de) 1996-11-20

Family

ID=9425594

Family Applications (1)

Application Number Title Priority Date Filing Date
EP92403335A Expired - Lifetime EP0551777B1 (de) 1992-01-14 1992-12-09 Schaltgeräte für elektromagnetische und manuelle Betätigung

Country Status (4)

Country Link
EP (1) EP0551777B1 (de)
AT (1) ATE145494T1 (de)
DE (1) DE69215348T2 (de)
FR (1) FR2686188B1 (de)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735612A1 (fr) * 1995-06-13 1996-12-20 Hager Electro Perfectionnement aux contacteurs electriques
FR2735613A1 (fr) * 1995-06-13 1996-12-20 Hager Electro Perfectionnement aux contacteurs electriques
EP0843331A1 (de) * 1996-11-19 1998-05-20 Legrand Schütz mit elektromagnetischer Betätigung und Hand-Betätigung
EP2889886A1 (de) * 2013-12-27 2015-07-01 Omron Corporation Elektromagnetisches Relais

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102021106530B4 (de) 2021-03-17 2023-04-06 Song Chuan Precision Co., Ltd. Elektromagnetisches Relais mit der Möglichkeit einer externen manuellen Steuerung des elektrischen Öffnens und Schließens

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383480A1 (fr) * 1977-03-08 1978-10-06 Cem Comp Electro Mec Mecanisme de commande pour appareil automatique
CH640081A5 (en) * 1978-11-22 1983-12-15 Sprecher & Schuh Ag Device for the detachable locking of the operating armature of an electromagnetic switching apparatus
FR2533068A1 (fr) * 1982-09-14 1984-03-16 Hager Electro Contacteur electromagnetique a bouton de derogation
FR2646012A1 (fr) * 1989-04-13 1990-10-19 Telemecanique Electrique Appareil interrupteur electromagnetique a marche forcee verrouillee

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2383480A1 (fr) * 1977-03-08 1978-10-06 Cem Comp Electro Mec Mecanisme de commande pour appareil automatique
CH640081A5 (en) * 1978-11-22 1983-12-15 Sprecher & Schuh Ag Device for the detachable locking of the operating armature of an electromagnetic switching apparatus
FR2533068A1 (fr) * 1982-09-14 1984-03-16 Hager Electro Contacteur electromagnetique a bouton de derogation
FR2646012A1 (fr) * 1989-04-13 1990-10-19 Telemecanique Electrique Appareil interrupteur electromagnetique a marche forcee verrouillee

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2735612A1 (fr) * 1995-06-13 1996-12-20 Hager Electro Perfectionnement aux contacteurs electriques
FR2735613A1 (fr) * 1995-06-13 1996-12-20 Hager Electro Perfectionnement aux contacteurs electriques
ES2122904A1 (es) * 1995-06-13 1998-12-16 Hager Electro Perfeccionamientos en contactores electricos.
ES2122903A1 (es) * 1995-06-13 1998-12-16 Hager Electro Perfeccionamiento en contactores electricos.
EP0843331A1 (de) * 1996-11-19 1998-05-20 Legrand Schütz mit elektromagnetischer Betätigung und Hand-Betätigung
FR2756092A1 (fr) * 1996-11-19 1998-05-22 Legrand Sa Contacteur a double commande electromecanique et manuelle
EP2889886A1 (de) * 2013-12-27 2015-07-01 Omron Corporation Elektromagnetisches Relais

Also Published As

Publication number Publication date
FR2686188B1 (fr) 1994-04-01
EP0551777B1 (de) 1996-11-20
DE69215348T2 (de) 1997-03-13
FR2686188A1 (fr) 1993-07-16
DE69215348D1 (de) 1997-01-02
ATE145494T1 (de) 1996-12-15

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