EP0408544B1 - Relais - Google Patents

Relais Download PDF

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Publication number
EP0408544B1
EP0408544B1 EP19900890209 EP90890209A EP0408544B1 EP 0408544 B1 EP0408544 B1 EP 0408544B1 EP 19900890209 EP19900890209 EP 19900890209 EP 90890209 A EP90890209 A EP 90890209A EP 0408544 B1 EP0408544 B1 EP 0408544B1
Authority
EP
European Patent Office
Prior art keywords
actuating device
guide
relay
test pin
armature
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
EP19900890209
Other languages
German (de)
English (en)
Other versions
EP0408544A3 (en
EP0408544A2 (fr
Inventor
Peter Casari
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.)
Tyco Electronics Austria GmbH
Original Assignee
EH Schrack Components AG
Schrack Components AG
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 EH Schrack Components AG, Schrack Components AG filed Critical EH Schrack Components AG
Publication of EP0408544A2 publication Critical patent/EP0408544A2/fr
Publication of EP0408544A3 publication Critical patent/EP0408544A3/de
Application granted granted Critical
Publication of EP0408544B1 publication Critical patent/EP0408544B1/fr
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
    • H01H50/16—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
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/20—Interlocking, locking, or latching mechanisms
    • H01H9/28—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member
    • H01H9/286—Interlocking, locking, or latching mechanisms for locking switch parts by a key or equivalent removable member making use of a removable locking part acting directly on the operating part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2300/00—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H
    • H01H2300/06—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using tools as locking means
    • H01H2300/066—Orthogonal indexing scheme relating to electric switches, relays, selectors or emergency protective devices covered by H01H using tools as locking means for locking a switch in a test or an "installation" position

Definitions

  • the invention relates to a relay, in particular plug-in relay, with a housing supporting the magnet system, with an armature held in its rest position by a spring device and with a test pin movably mounted in the housing for manual actuation of the armature, which test pin has one end on the armature or can be brought into contact with a part attached to this and holds the anchor in its working position in its working position.
  • test pin is held substantially perpendicular to the hinged anchor in a wall of the cap of the relay and can be moved against the hinged anchor.
  • a generic locking relay is known from US-A-4 378 543, the armature of which is held by a spring in its rest position and can be brought into its working position for test purposes via a displaceable actuating element, and which is actuated from this by excitation the working position in which the armature is locked can be released again.
  • wire brackets have been provided in other known relays which are pivotally attached to the relay housing and which can be pivoted over the test pin in order to press it down.
  • the disadvantage of these known solutions is that this test and test bar always remains on the relay and is therefore available for misuse at any time.
  • such a bracket is inconspicuous and it is therefore very often forgotten to remove the fixings after the test in order to enable normal operation of the relays.
  • the invention therefore aims to avoid these disadvantages and to propose a relay of the type mentioned in the introduction, in which the test pin can only be locked in the working position by an authorized person and it is clearly evident whether the relay is in the test position or in normal operation is.
  • an actuating device for actuating the test pin which is separate from the relay and which can be inserted into the relay and can be locked with the relay in its working position in which it holds the test pin in its working position and which can only be separated from the relay again when force is applied is.
  • the actuating device can be locked with the relay by means of a bayonet lock. This creates a key-like type of locking for the actuator, which is easy and quick to use.
  • An embodiment of the invention can be characterized in that the actuating device can be inserted at one end into the guide of the test pin and has at this end radially outwardly directed pins which can be inserted into recesses in the guide and upon rotation of the actuating device into the working position in the guide reach behind radially inward projections.
  • slotted surfaces projecting into the interior of the guide in the region of its outer end can be arranged on the guide of the test pin, between which recesses are provided, into which the actuating device has the corresponding, radially projecting pin is insertable.
  • each link section extend over an angle of e.g. extend almost 180 ° and each link section has two inclined surfaces with opposite inclinations, between which a surface extending perpendicular to the axis of the guide is arranged.
  • the actuating device can be locked by a quarter turn and released again by a further quarter turn, irrespective of the direction.
  • the recesses of the guide and the Pin of the actuator preferably have inclined side walls against the diametral of the guide or the actuator.
  • the test pin is rotatably held in the guide and is provided with at least one radially projecting pin which can be brought into contact with a link arranged on the guide with surfaces inclined against the axis of the guide and that at the end of the test pin facing away from the armature axially projects an extension onto which the actuating device can be plugged, which is provided with radially projecting pins, which, when the actuating device is inserted, has a number of recesses corresponding to the number of pins of the actuating device, reach behind the flange facing inwards.
  • test pin is controlled during its rotation by the link arranged in the guide, the rotation being effected by the actuating device.
  • the inward flange ensures that the actuating device cannot be removed in the working position of the test pin, but can only be removed when the test pin is in the rest position.
  • a resilient stop cooperating with the radially projecting pin of the test pin is provided, which defines a detent position corresponding to the working position of the actuating device.
  • test pin can be brought into abutment on an inclined surface of a butt part arranged on the hinged anchor.
  • the actuating device is designed as a key. This makes their function as a key clearly recognizable for the user.
  • the actuating device has a conspicuously marked, for example by colors or inscriptions, which preferably serves at the same time as a handle. This makes it very easy to ensure that an actuating device that is used is no longer overlooked after the tests have been completed and is properly removed again.
  • the guide runs essentially perpendicular to the base plate of the relay, so that the actuating device can be used from the side facing away from the installation side of the relay, which is most easily accessible in most cases.
  • the relay has a base plate 1, on which a magnet system 2 is held in a manner not shown, which has a hinged armature 3 held in its rest position by a spring device 9, on which a contact is held is. Furthermore, a butt part 4 is arranged on the armature, which is made of an insulating material.
  • the magnet system 2 together with the contacts is surrounded by a cap 5 in which a test pin 6 'is guided in a guide 13'.
  • This test pin 6 ' can be pressed against the inclined surface 7 of the butt part 4, whereby the armature 3 can be pressed into its working position.
  • an actuator 8' is provided.
  • the actuating device 8 ' is designed as a key and has a handle 14, which is also designed as an information part with clear labeling (e.g. "TEST") and has a correspondingly striking color. This ensures that an actuating device that is used stands out and that the risk that an actuating device that is used remains inadvertently on a relay after the end of a test is avoided.
  • TEST clear labeling
  • the guide 13 ' has in its outer region on the inside a backdrop 20, which is shown in the developed state in Figs. 2b to 2d and which projects into the interior of the guide 13'.
  • the setting 20 has two sections 21, 22 which are separated by two recesses 23 which are offset from one another by 180 ° in the exemplary embodiment shown. These recesses correspond radially from the key 8 'projecting pin 24 which are arranged in the region of the free end of the key 8'.
  • This end region of the key 8 ' has a diametrically extending slot 25, whereby this region can be compressed, as can be seen in Fig. 2a.
  • the slot 25 of the key 8 ' extends at an angle of 90 ° to the connecting line of the diametrically opposite pin 24 of the key.
  • the depth of the recesses 23 of the guide 13 ' is dimensioned such that the pin 24 of the key can be inserted into the recesses 23 without narrowing the slot 25. This position of the key 8 'is shown in Fig.2b.
  • the guide 13 ' has 90 ° offset from the recesses 23 arranged further recesses 26 which are closed in the region of their upper end by the link portions 21, 22 upwards.
  • the link portions 21, 22 in the area of these recesses perpendicular to the axis of the guide 13 'extending surfaces 27 to which connect obliquely against the axis of the guide 13' extending surfaces 28, 29, the surfaces 28 and 29 having an opposite slope exhibit.
  • the depth of these recesses 26, which serve as run-up surfaces, corresponds to that of Recesses 23.
  • Both the recesses 26 and 23 have rounded side edges 32 and 33.
  • the diameter of the guide 13 'below the backdrop 20 is such that it corresponds to the distance between the outer surfaces of the pin 24 of the key 8' with the slot 25 largely compressed.
  • the side walls of the pin 24 have a slight inclination, so that the pin 24, which has fallen into the recesses 26, can be unscrewed from these recesses 26 by a corresponding effort when turning the key 8 '.
  • the test pin 6 ' has a guide portion 30 held in the guide 13' which engages with a spring-like projection in a recess 26 and is thus held non-rotatably.
  • At the end of this guide section 30 there is an eccentrically arranged pin 31 which bears against the abutment part 4 of the armature 3.
  • the force of the return spring 9 of the hinged armature 3 is sufficient to press the test pin 6 'over the inclined surface against which it rests when the armature falls.
  • test pin 6 ' is actuated in such a way that the key 8' is inserted into the guide 13 ', the pins 24 in the recesses 23 open at the top, which also have side walls 33 inclined against the diametral, between the link sections 21, 22 are introduced (Fig.2b) until the pin 24 can be rotated under the link portions 21, 22, wherein when turning the key 8 ', the pin 24 with their oblique side surfaces on the also oblique side walls 33 of the recesses 23, where the slot 25 of the key 8 'is narrowed (Fig.2c).
  • the key 8 Due to the inclined surfaces 28, 29 of the backdrop 20, the key 8 'pushes further down as it rotates further and presses the test pin 6' against the abutment part 4 of the armature 3, whereby this is pressed against its working position.
  • the actuating device is also formed by a key 8 ⁇ . This has on its one end face a slot 40 which meshes with an oppositely shaped axial extension 41 of the test pin 6 'in the attached state.
  • This key 8 ⁇ has radially projecting pins 42, which engage in the inserted state of the key 8g behind an inward flange 43, which is provided with a number of pins 42 corresponding number of recesses 43 'through which the key 8 ⁇ in the guide 13 ⁇ is insertable and rotatable in this.
  • the position when the key 8 ⁇ is introduced is shown in FIGS. 4a, 5a and 6a, a rotational position during rotation of the key 8 ⁇ in the direction of the working position in FIGS. 4b, 5b and 6b.
  • the test pin 6 ⁇ has a radially projecting pin 44 which slides along the link 45 arranged in the region of one end of the guide 13 ⁇ .
  • the backdrop 45 is formed by the lower end face of the substantially cylindrical guide 13 ⁇ against the The axis of the guide 13 ⁇ is inclined, as indicated by the broken line in FIG.
  • This guide 13 ⁇ also has a slot 47 into which a resilient tongue, which serves as a resilient stop 46, engages. This makes it possible to safely feel that the test pin 6 ⁇ and thus the armature 3 ⁇ have been reached.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Breakers (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)

Claims (12)

  1. Relais, en particulier relais enfichable, comportant un boîtier supportant le système magnétique (2), une armature (3) maintenue dans sa position de repos par un moyen élastique (9) et une tige d'essai (6′, 6˝) montée mobile dans le boîtier pour la manoeuvre manuelle de l'armature (3), laquelle tige d'essai (6′, 6˝) peut être appliquée à une extrémité contre l'armature (3) ou contre un élément monté sur celle-ci et, dans sa position de travail, maintient l'armature (3) dans sa position de travail, caractérisé par un moyen de manoeuvre (8′, 8˝) séparé du relais pour la manoeuvre de la tige d'essai (6′, 6˝) qui peut être engagé dans le relais et, dans sa position de travail, dans laquelle il maintient la tige d'essai (6′, 6˝) dans sa position de travail, peut être verrouillé au relais, et qui ne peut être séparé du relais que sous l'action d'une force.
  2. Relais selon la revendication 1, caractérisé par le fait que le moyen de manoeuvre (8′, 8˝) peut être verrouillé au relais par un accouplement à baïonnette.
  3. Relais selon l'une des revendications 1 et 2, caractérisé par le fait que le moyen de manoeuvre (8′, 8˝) peut être engagé à une extrémité dans le guidage (13′, 13˝) de la tige d'essai et présente à cette extrémité des tenons dirigés radialement vers l'extérieur (24, 42) qui peuvent être introduits dans des évidements (23, 43′) du guidage et, lors de la rotation du moyen de manoeuvre (8′, 8˝) en position de travail dans le guidage (13′, 13˝), s'appliquent derrière des saillies dirigées radialement vers l'intérieur (27, 28, 29, 43).
  4. Relais selon la revendication 3, caractérisé par le fait que sur le guidage (13′) de la tige d'essai (6′) sont prévues, dans la zone de l'extrémité extérieure de celle-ci, des parties de coulisse (21, 22) qui saillent à l'intérieur du guidage (13′) et présentent des surfaces inclinées (28, 29) et entre lesquelles sont prévus des évidements (23) dans lesquels le moyen de manoeuvre (8′), qui présente des tenons correspondants saillant radialement (24), peut être introduit.
  5. Relais selon la revendication 4, caractérisé par le fait que les parties de coulisse (21, 22) s'étendent sur un angle par exemple de presque 180° et chaque partie de coulisse (21, 22) présente deux surfaces inclinées (28, 29) de pentes opposées entre lesquelles est placée une surface (27) perpendiculaire à l'axe du guidage (13′).
  6. Relais selon l'une des revendications 4 et 5, caractérisé par le fait qu'en plus des évidements (23) qui divisent la coulisse (20) sont prévus dans le guidage (13′) d'autres évidements (26) qui sont fermés dans la direction de retrait du moyen de manoeuvre (8′) par la coulisse (20) et dans lesquels les tenons saillant radialement (24) du moyen de manoeuvre (8′) peuvent entrer élastiquement, les évidements (23, 26) du guidage (13′) et les tenons (24) du moyen de manoeuvre (8′) présentant des parois latérales (32, 33) de préférence inclinées par rapport au diamètre du guidage (13′) ou du moyen de manoeuvre (8′).
  7. Relais selon la revendication 3, caractérisé par le fait que la tige d'essai (6˝) est montée tournante dans le guidage (13˝) et pourvue d'au moins un tenon saillant radialement (44) qui peut être appliqué contre une coulisse (45) prévue sur le guidage (13˝) qui est pourvue de surfaces inclinées par rapport à l'axe du guidage (13˝), et qu'à l'extrémité de la tige d'essai (6˝) opposée à l'armature (3) fait saillie axialement un appendice (41) sur lequel peut être placé le moyen de manoeuvre (8˝), qui est pourvu de tenons saillant radialement (42) qui, lorsque le moyen de manoeuvre (8˝) est engagé, s'appliquent derrière un collet dirigé vers l'intérieur (43) pourvu d'un nombre d'évidements (43′) correspondant au nombre des tenons (42) du moyen de manoeuvre.
  8. Relais selon la revendication 7, caractérisé par le fait qu'il est prévu une butée élastique (46) qui coopère avec le tenon saillant radialement (44) de la tige d'essai (6˝) et détermine une position d'arrêt correspondant à la position de travail du moyen de manoeuvre (8˝).
  9. Relais selon l'une des revendications 1 à 8, caractérisé par le fait que la tige d'essai (6′, 6˝) peut être appliquée contre une surface inclinée (7) d'une pièce de percussion (4) placée sur l'armature battante (3).
  10. Relais selon l'une des revendications 1 à 9, caractérisé par le fait que le moyen de manoeuvre (8′, 8˝) est constitué d'une clé.
  11. Relais selon l'une des revendications 1 à 10, caractérisé par le fait que le moyen de manoeuvre (8′, 8˝) présente une partie indicatrice marquée de manière voyante, par exemple par des couleurs ou des inscriptions, qui de préférence sert en même temps de poignée (14).
  12. Relais selon l'une des revendications 1 à 11, caractérisé par le fait que le guidage (13′, 13˝) est sensiblement perpendiculaire au socle (1) du relais.
EP19900890209 1989-07-12 1990-07-10 Relais Expired - Lifetime EP0408544B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AT1691/89 1989-07-12
AT169189 1989-07-12

Publications (3)

Publication Number Publication Date
EP0408544A2 EP0408544A2 (fr) 1991-01-16
EP0408544A3 EP0408544A3 (en) 1991-11-27
EP0408544B1 true EP0408544B1 (fr) 1995-10-18

Family

ID=3518913

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900890209 Expired - Lifetime EP0408544B1 (fr) 1989-07-12 1990-07-10 Relais

Country Status (3)

Country Link
EP (1) EP0408544B1 (fr)
DE (1) DE59009783D1 (fr)
ES (1) ES2081364T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0524135A3 (en) * 1991-07-18 1994-07-27 Elesta Ag Elektronik Relay
IT1292317B1 (it) * 1997-05-20 1999-01-29 Finder Spa Rele' elettromagnetico dotato di pulsante di test bistabile di sicurezza.
DE19727990C1 (de) * 1997-07-01 1998-11-19 Schrack Components Ag Elektromagnetisches Relais mit Handbetätigungsorgan
DE202007015207U1 (de) * 2007-11-02 2008-01-31 Moeller Gmbh Betätigungselement
FR3120469A1 (fr) 2021-03-03 2022-09-09 Alstom Transport Technologies Clé de verrouillage pour contacteur électrique et méthode de verrouillage d’un tel contacteur avec une telle clé

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2466848A1 (fr) * 1979-09-28 1981-04-10 Alberti Rosette Relais thermo-magneto-mecanique et son application aux contacteurs electriques a ouverture retardee
US4378543A (en) * 1981-11-18 1983-03-29 Gulf & Western Manufacturing Company Latch relay with manual reset and test
US4502030A (en) * 1983-08-26 1985-02-26 Allied Corporation High reliability solenoid switch
DE8812573U1 (fr) * 1988-10-06 1988-11-17 Christian Geyer Gmbh & Co, 8500 Nuernberg, De

Also Published As

Publication number Publication date
DE59009783D1 (de) 1995-11-23
ES2081364T3 (es) 1996-03-01
EP0408544A3 (en) 1991-11-27
EP0408544A2 (fr) 1991-01-16

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