EP0632474B1 - Steuer- oder Signaleinheit mit Anschlussklemmen - Google Patents

Steuer- oder Signaleinheit mit Anschlussklemmen Download PDF

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Publication number
EP0632474B1
EP0632474B1 EP94401398A EP94401398A EP0632474B1 EP 0632474 B1 EP0632474 B1 EP 0632474B1 EP 94401398 A EP94401398 A EP 94401398A EP 94401398 A EP94401398 A EP 94401398A EP 0632474 B1 EP0632474 B1 EP 0632474B1
Authority
EP
European Patent Office
Prior art keywords
unit according
conductive parts
fitted
contact
screws
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
EP94401398A
Other languages
English (en)
French (fr)
Other versions
EP0632474A1 (de
EP0632474B2 (de
Inventor
Patrick Cuingnet
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 Industries SAS
Original Assignee
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
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Application filed by Schneider Electric SE filed Critical Schneider Electric SE
Publication of EP0632474A1 publication Critical patent/EP0632474A1/de
Publication of EP0632474B1 publication Critical patent/EP0632474B1/de
Application granted granted Critical
Publication of EP0632474B2 publication Critical patent/EP0632474B2/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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/02—Bases, casings, or covers
    • G—PHYSICS
    • G09—EDUCATION; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
    • G09F—DISPLAYING; ADVERTISING; SIGNS; LABELS OR NAME-PLATES; SEALS
    • G09F9/00—Indicating arrangements for variable information in which the information is built-up on a support by selection or combination of individual elements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/023—Light-emitting indicators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H13/00—Switches having rectilinearly-movable operating part or parts adapted for pushing or pulling in one direction only, e.g. push-button switch
    • H01H13/02—Details
    • H01H13/04—Cases; Covers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/58—Electric connections to or between contacts; Terminals
    • H01H1/5855—Electric connections to or between contacts; Terminals characterised by the use of a wire clamping screw or nut
    • 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
    • H01H9/02—Bases, casings, or covers
    • H01H9/0264—Protective covers for terminals

Definitions

  • the present invention relates to a command and / or signaling unit of the screw terminal type intended for command and control systems of electrical or electronic installations or apparatus.
  • One-piece push-button switches are known, such as those of patent FR 2 616 265 or one-piece indicator lights such as those of patent FR 2 616 207.
  • the one-piece design allows direct mounting, from the front, on a switchboard. or a wall. However, the screw clamps used to connect the conductors are not protected.
  • Document DE-83 32 474.7 describes a control or signaling unit comprising a cap protecting two screw terminals.
  • Each terminal is constituted by a connection block in which an opening for the passage of the wire is made.
  • a tapped hole opens into the opening and receives a clamping screw which clamps the wire at its end, the latter being in contact with the wire.
  • the connection possibilities are limited to the diameter of the passage opening.
  • Each terminal is fixed by screw on a transverse partition which does not allow to accommodate a movable pusher or lamp supply parts integral with the terminals.
  • the object of the present invention is to provide control and / or signaling units of monolithic or monobloc design and equipped with protected screw-stirrups.
  • the arrangement of these units has advantages in terms of cost and mounting and wiring is carried out easily.
  • the object of the invention is in particular to provide switches having double break contacts.
  • the screw terminal unit comprises a monobloc body forming a flange provided with an external thread allowing mounting by nut on a support and wrapped at the rear by a cap cut out by openings for passage of the wires.
  • wiring and access to screws whose axes are parallel to the axis of symmetry of the body and is characterized by the fact that the screws cooperate with connection areas of conductive parts folded and maintained, eccentrically, relative to the axis of symmetry, in the body, the latter providing a cylindrical interior housing which is open on the side of the conductive parts so as to allow the passage of at least one movable contact pusher or a movable contact pusher and a light component or a light component.
  • the guide body in translation, in its housing, a hollow cylindrical movable plunger provided with at least one lateral extension forming a cage in which is mounted a contact bridge cooperating with contacts fixed to the conductive parts.
  • the unit comprises four conductive parts provided with fixed contacts and the pusher comprises two lateral cage extensions for two contact bridges.
  • the unit comprises two conductive parts provided with fixed contacts and two conductive parts supplying a light component.
  • the unit comprises a cap enveloping the rear of the body and pierced, laterally, by lights allowing the passage of the conductors intended to be connected to the terminals and, at the rear, by openings adapted to the passage of '' a tool for tightening the screws.
  • the control and / or signaling units illustrated by the drawings each comprise a one-piece body 1 of plastic material centered on an axis XX ′.
  • This body 1 comprises at the front a cylindrical flange consisting, at the front, of a cylindrical part 11 of large diameter and, at the rear, of a cylindrical part 12 of smaller diameter, these two parts being joined by a shoulder.
  • a cylindrical internal bore 13 centered on X-X ' is formed in the body 1.
  • the cylindrical part 12 of small diameter has an external thread on which a nut 31 is screwed serving to fix the unit in a wall or table opening.
  • a seal 32 is fitted on the cylindrical part 12 while being pressed against the shoulder formed by the flange.
  • the unit is mounted on a wall or a panel by introducing the cylindrical part 12 into a hole in the wall or the panel so that the shoulder of the flange comes to rest against the front face of the wall.
  • the nut 31 is then screwed against the rear face of the wall by enclosing the latter and compressing the seal 32.
  • the control and / or signaling unit comprises conductive parts 6a, 6b, 7a, 7b provided with screw terminals and held on the body 1.
  • Each conductive part has a connection area in which a push-back and an opening have been made. tapped to receive a screw head which also passes through a tightening clip associated therewith.
  • the screws marked 61a, 61b, 71a, 71b have axes parallel to the axis XX 'and the screw heads are oriented towards the rear of the unit.
  • Each conductive part is formed by a blade folded so as to constitute the connection area.
  • the cylindrical bore 13 is open and not partitioned on the side of the conductive parts 6a, 6b, 7a, 7b so as to accommodate either a push button or conductive extensions for a lamp.
  • the body 1 has behind the flange 11-12, a frame formed by two longitudinal tie rods 14 joined to each other by a rear bracing 15.
  • This frame carries the conductive parts 6a, 6b, 7a, 7b according to the versions.
  • stirrup 62a or 62b or 72a or 72b which has a hole for the passage of the screw and has an external polygonal or circular shape (washer) suitable for mounting in a protective cap 2 which will be described below in detail.
  • washer an external polygonal or circular shape suitable for mounting in a protective cap 2 which will be described below in detail.
  • FIGS. 4 and 5 it will be noted, for example, that the external shape of the stirrups is octagonal.
  • the control unit ensuring the switch function comprises conductive parts marked 6a and 6b which carry the clamp screws and are provided with fixed contacts.
  • Each conductive part 6a or 6b has a U shape, one branch of which constitutes a connection pad 66a or 66b and the other branch of which carries a fixed contact 65a or 65b.
  • the screws 61a and 61b are respectively screwed onto the connection pads 66a and 66b.
  • the fixed contacts cooperate with mobile contacts mounted on a mobile pusher 4 used to operate the contacts.
  • This pusher is housed in the bore 13 of the body 1 so as to be guided in translation, along the axis XX ′.
  • a spring 51 is housed in the annular space between the cylindrical part of the bottom of the pusher 4 and the bore 13. The spring 51 therefore tends to push the pusher 4 forward to a front end position , determined by a stop.
  • a seal 52 is housed in an annular groove formed on the periphery of the pusher 4. This seal 52 slides, by rubbing, in the bore 13 and provides sealing.
  • the pusher 4 carries one or two contact bridges 9 equipped with movable contacts cooperating with fixed contacts of the conductive parts 6a, 6b carrying the screw clamps.
  • Each movable contact bridge 9 is mounted in a lateral extension forming a cage 42 and integral with the pusher 4.
  • a spring 92 is compressed between the cage 42 and the contact bridge 9 to ensure the contact pressure and allow the deflections of the pusher.
  • the two conductive parts 6a or 6b associated with the same bridge are mounted head to tail, eccentrically with respect to a plane passing through X-X '.
  • the extension and the cage 42 of the pusher are eccentric relative to the axis XX ′.
  • this arrangement makes it possible to free the central space occupied by the electrical supply from the base outlet.
  • the pusher 4 In the rest position, the pusher 4 is in the front position under the action of the spring 51. When the pusher 4 and the cap 44 are pressed, the contact bridge 9 is moved backwards and the contacts open or close.
  • the unit ensuring the signaling function comprises conductive parts 7a and 7b which serve to supply a light component 8 which is housed in the bore 41 of the pusher 4.
  • this component is a lamp incandescent with a bayonet or screw base.
  • this light component could be a neon lamp or a light emitting diode.
  • the conductive part 7a is provided with a socket 75 used to lock the lamp 8 and carries a screw 71a and the associated bracket 72b.
  • the electrical connection between the second screw terminal 71 b and the contact pad which projects from the bottom of the lamp base is provided by the conductive part 7b and by means of an elastic contact spring 73 which is centered on axis XX 'and presses on this pad.
  • the conductive part 7a extends away from the axis X-X 'while the contact spring 73 is centered on X-X'.
  • the socket 75 When the socket 75 is adapted to a bayonet lamp, it has grooves adapted to the lateral pins of the base. When it is adapted to a screw lamp, it has an internal thread allowing the screwing of the lamp base.
  • the control and signaling unit of FIGS. 1 to 4 has a push button switch and an indicator light supplied by the screw terminals 71a and 71b.
  • the pusher 4 is closed, at the front, by a cap 44.
  • This cap which is made of transparent plastic, colored or not, is fixed, by screwing, to the pusher 4 whose bore 41 which is centered on XX 'is open on said cabochon.
  • the mobile cylindrical pusher 4 is provided with at least one lateral extension forming a cage 42 in which is mounted a contact bridge 9 cooperating with contacts fixed to the conductive parts 6a, 6b.
  • the control unit of Figures 5 to 8 has two conductive parts 6a provided with fixed contacts and two conductive parts 6b each provided with a fixed contact.
  • the pusher 4 has two lateral extensions forming two cages 42 in which are mounted two contact bridges 9. Furthermore, the pusher 4 has, at the front, a front support pad 46 serving as a support button.
  • the two pairs of screw terminals 61a and 61b are used in this case for the current supply of the two contacts. It will be noted that one of the contacts is of the "closed” type and that the other is of the "open" type.
  • the key 46 is in one piece with the pusher 4, in the variant of Figure 8, the key 46 is attached and fixed to the pusher 4 which allows to change the color of the key .
  • the control unit of Figure 9 has a rotary button 46 which moves the pusher 4 in translation.
  • the indicator shown in Figures 10 to 12 has a cap 44 which is fixed on the body 1. This extends downwards by the frame 14 serving to support the terminals, the socket 75 and the conductive parts.
  • the conductive parts are supported by the framework of the one-piece body 1.
  • the central outlet stud of the base is in contact with the spring 73 mounted on the conductive part 7b on which the screw 71b and the associated stirrup 72b are mounted.
  • the rear frame of the body 1 is fitted into a cover 2 which envelops it.
  • This cap 2 made of plastic has a generally cylindrical shape. Note that the outside diameter of this cap is less than the outside diameter of the threaded portion 12 so as to allow direct mounting of the unit on a table or a wall.
  • connection between the frame of the body 1 and the rear cover 2 is effected by any suitable fixing means.
  • the cylindrical wall of the cover 2 has openings 23 and 24 allowing the passage of conductors intended to be connected to the terminals while the bottom of the cover has openings 21 and 22 which allow the passage of a screwdriver so as to tighten the screws 61a, 61b, 71a, 71b.

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Push-Button Switches (AREA)

Claims (11)

  1. Steuer- und/oder Anzeigevorrichtung mit Klemmschrauben, bestehend aus einem Monoblockkörper (1), der einen Ansatz mit Außengewinde bildet, der die Montage mittels einer Mutter an einen Träger ermöglicht und hinten mit einer Abdeckung (2) versehen ist, in die Öffnungen für den Durchgang der Verkabelungsdrähte und den Zugang zu den Schrauben (61a, 61b, 71a, 71b) ausgeschnitten sind, deren Achsen parallel zu der Symmetrieachse (X-X') des Körpers (1) sind, gekennzeichnet dadurch, daß die Schrauben (61a, 61b, 71a, 71b) mit Anschlußflächen für die gebogenen Leitelemente (6a, 6b, 7a, 7b) zusammenwirken, die auf exzentrische Weise im Verhältnis zur Symmetrieachse im Körper (1) gehalten werden, wobei dieser eine innere zylindrische Lagerung (13) aufweist, die zur Seite der Leitelemente hin offen ist, um den Durchgang von mindestens einem Drücker (4) mit beweglichen Kontakten oder einem Drücker (4) mit mobilen Kontakten und einer Leuchte (8) oder einer Leuchte (8) zu ermöglichen.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß der Körper (1) in seiner Lagerung (13) einen beweglichen, hohlen, zylindrischen Drücker (4) führt, der mit mindestens einer seitlichen Verlängerung einen Käfig (42) bildet, in den eine Kontaktbrücke (9) montiert ist, die mit den festen Kontakten der Leitelemnte (6a, 6b) zusammenwirkt.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, daß sie 4 Leitelemente (6a, 6b) enthält, die mit festen Kontakten versehen sind, und der Drücker (4) zwei seitliche Verlängerungen enthält, die einen Käfig (42) für zwei Kontaktbrücken (9) bilden.
  4. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß sie zwei Leitelemente (6a), die mit festen Kontakten versehen sind und zwei Leitelemente (7a,7b) zur Versorgung einer Leuchte (8) enthält.
  5. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß sie eine Abdeckung (2) enthält, die den hinteren Teil des Körpers umhüllt und die seitlich mit Öffnungen (23, 24) versehen ist, die den Durchgang von Leitern ermöglichen, die an die Klemmen (61a, 61b, 71a, 71b) angeschlossen werden und die hinten mit Öffnungen (21, 22) versehen ist, die den Durchgang eines Werkzeugs zum Anziehen der Schrauben (61a, 61b, 71a, 71b) ermöglichen.
  6. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß der Körper hinten ein Gerüst (14, 15) aufweist, gebildet aus zwei länglichen Stäben (14), die miteinander durch eine hintere Verstrebung (15) verbunden sind und die dazu dienen die Leitelemente (6a, 6b, 7a,7b) zu tragen.
  7. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß der Drücker (4) eine Verlängerung enthält, die einen Käfig (42) bildet, für eine Kontaktbrücke (9) und die Lagerung für eine Birne (8), die mit zwei Klemmen verbunden ist.
  8. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß sie eine Leuchte (8) mit einem Sockel enthält, die in eine Fassung (75) montiert wird, welche Teil eines Leitelements (7a) ist.
  9. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß die Leitelemente (6a, 6b) mit U-förmigen Kontaktbrücken (9) zusammenwirken.
  10. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß die Schrauben (61a, 61b, 71a, 71b) mit Klemmen (62a, 62b, 72a, 72b) verbunden sind, die eine polygonale oder runde Außenform aufweisen, die für die Montage an die Abdeckung (2), die die Rückseite des Körpers bedeckt, geeignet ist.
  11. Vorrichtung nach einem der vorherigen Ansprüchen, dadurch gekennzeichnet, daß vorn am Drücker (4) eine aufgesetzte Taste (46) befestigt ist.
EP94401398A 1993-07-02 1994-06-22 Steuer- oder Signaleinheit mit Anschlussklemmen Expired - Lifetime EP0632474B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR9308234A FR2707792B1 (fr) 1993-07-02 1993-07-02 Unité de commande et/ou de signalisation à bornes.
FR9308234 1993-07-02

Publications (3)

Publication Number Publication Date
EP0632474A1 EP0632474A1 (de) 1995-01-04
EP0632474B1 true EP0632474B1 (de) 1997-03-05
EP0632474B2 EP0632474B2 (de) 2005-12-21

Family

ID=9448934

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94401398A Expired - Lifetime EP0632474B2 (de) 1993-07-02 1994-06-22 Steuer- oder Signaleinheit mit Anschlussklemmen

Country Status (8)

Country Link
US (1) US5534840A (de)
EP (1) EP0632474B2 (de)
KR (1) KR100356072B1 (de)
CN (1) CN1066282C (de)
DE (1) DE69401860T3 (de)
FR (1) FR2707792B1 (de)
SG (1) SG50595A1 (de)
TW (1) TW265453B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1632967A1 (de) 2004-09-04 2006-03-08 Moeller GmbH Elektrische Schaltvorrichtung mit Anzeigemittel

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Also Published As

Publication number Publication date
DE69401860T2 (de) 1997-06-12
FR2707792A1 (fr) 1995-01-20
CN1100554A (zh) 1995-03-22
EP0632474A1 (de) 1995-01-04
US5534840A (en) 1996-07-09
KR950004078A (ko) 1995-02-17
KR100356072B1 (ko) 2003-01-24
DE69401860D1 (de) 1997-04-10
CN1066282C (zh) 2001-05-23
DE69401860T3 (de) 2006-07-13
FR2707792B1 (fr) 1995-09-01
TW265453B (de) 1995-12-11
SG50595A1 (en) 1998-07-20
EP0632474B2 (de) 2005-12-21

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