EP0416458A2 - Relay - Google Patents

Relay Download PDF

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Publication number
EP0416458A2
EP0416458A2 EP90116591A EP90116591A EP0416458A2 EP 0416458 A2 EP0416458 A2 EP 0416458A2 EP 90116591 A EP90116591 A EP 90116591A EP 90116591 A EP90116591 A EP 90116591A EP 0416458 A2 EP0416458 A2 EP 0416458A2
Authority
EP
European Patent Office
Prior art keywords
hood
relay
contact spring
chambers
recesses
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
EP90116591A
Other languages
German (de)
French (fr)
Other versions
EP0416458A3 (en
EP0416458B1 (en
Inventor
Dr. Jochen Von Bonin
Eberhard Dipl.-Ing. Kirsch
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.)
Hengstler GmbH
Original Assignee
Hengstler Bauelemente GmbH
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 Hengstler Bauelemente GmbH filed Critical Hengstler Bauelemente GmbH
Publication of EP0416458A2 publication Critical patent/EP0416458A2/en
Publication of EP0416458A3 publication Critical patent/EP0416458A3/en
Application granted granted Critical
Publication of EP0416458B1 publication Critical patent/EP0416458B1/en
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
    • H01H50/02—Bases; Casings; Covers
    • 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
    • H01H2009/0292—Transparent window or opening, e.g. for allowing visual inspection of contact position or contact condition

Definitions

  • the invention relates to a relay with contact spring sets, which are held on a common spring bracket and are arranged in separate chambers, furthermore with a removable hood for the relay.
  • the invention is therefore based on the object of developing a relay with a contact spring set, the chambers of the mutually separated contact spring sets being open on at least one side and having recesses so that the contact spring sets can be manipulated through the recesses without the risk that the broken part of a contact spring set can penetrate into an adjacent chamber via this recess in the spring bracket.
  • the relay with the features mentioned at the outset is characterized in that an opening is provided in each chamber, each of which is assigned an attachment attached to the hood, such that the opening is closed when the hood is fitted.
  • the lugs are arranged with their front ends at least partially engage in the recesses of the chambers.
  • the essential advantage is achieved that, with the hood removed, the mutually closed chambers are accessible through the recesses in the chamber and that the contact spring sets arranged in the chambers can be manipulated through these recesses with a tool.
  • the lugs which are arranged on the inside of the hood, engage in the corresponding recesses in the chambers, so that these recesses are closed as tightly as possible by these lugs.
  • a particularly advantageous embodiment consists in that the hood is transparent at least in the area of the lugs, so that one can look at the contact spring sets in the chambers from the outside (that is to say from the front) and can observe the switching state of the individual contact spring sets.
  • the hood is transparent, but also the lugs which are arranged on the inside of the hood and which engage in the recesses in the chambers.
  • lenses are attached to the end faces of these attachments, which lenses are preferably designed as converging lenses.
  • the lugs are thus essentially conical or triangular in profile and carry converging lenses at their front free ends which engage in the recesses in the chambers.
  • a relay with three contact spring sets 3 is shown schematically in the figure, which contact spring sets 3 are arranged in a spring bracket 2.
  • the spring bracket 2 and the magnetic drive system are enclosed by a hood 1.
  • the contacting parts of the contact spring sets 3 are arranged separately from one another in chambers 4 which are closed off from one another.
  • the chamber walls are formed on the one hand by the upper surfaces of the spring bracket, by the lateral surfaces of the spring bracket, by separating ribs 9 and by the lateral surfaces of the hood 1.
  • These contact spring sets 3 can be manipulated from outside with a tool through these recesses 5.
  • the recesses 5 are closed as tightly as possible by the lugs 7 of the hood 1 engaging there.
  • the hood 1 or at least the lugs 7 are formed from a transparent material.
  • the front free ends of the recesses 5 are designed as lenses 8, so that an enlarging effect is achieved in this way.
  • these lenses can either be designed as a converging lens or as a diverging lens (wide-angle lens).

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Lens Barrels (AREA)
  • Control Of Motors That Do Not Use Commutators (AREA)
  • Electronic Switches (AREA)
  • Breakers (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Relay Circuits (AREA)
  • Seal Device For Vehicle (AREA)

Abstract

A relay is described which has a safety spring set of such a type that the contact spring sets are arranged in chambers which are freely accessible from the exterior via openings, when the cap is removed, so that manipulations can be carried out on the contact spring sets. In order to prevent broken pieces being able to pass through the openings into the other regions of the relay in the event of contact springs of the contact spring sets breaking, the cap has inwardly pointing projections which close the chamber openings when the cap is fitted.

Description

Die Erfindung betrifft ein Relais mit Kontaktfedersätzen, die an einem gemeinsamen Federbock gehalten und in voneinander getrennten Kammern angeordnet sind, ferner mit einer abnehmbaren Haube für das Relais.The invention relates to a relay with contact spring sets, which are held on a common spring bracket and are arranged in separate chambers, furthermore with a removable hood for the relay.

Ein solches Relais mit einem sogenannten Sicherheits-Federsatz ist Gegenstand eines älteren Patents der Anmelderin. Es hat sich in zahlreichen Ausführungsformen bewährt.Such a relay with a so-called safety spring set is the subject of an older patent by the applicant. It has proven itself in numerous embodiments.

Nun wurde es als vorteilhaft angesehen, wenn man die Kammern jeweils an der Stirnseite öffnet, um durch diese Öffnungen oder Ausnehmungen Manipulationen an den Kontaktfedersätzen vorzunehmen. Voraussetzung hierfür ist es, daß die das Relais umgebende Haube abgenommen werden kann.It was now considered to be advantageous if the chambers were opened on the front side in order to manipulate the contact spring sets through these openings or recesses. The prerequisite for this is that the hood surrounding the relay can be removed.

Durch die Öffnung der Kammern durch die beschriebenen Ausnehmungen besteht jedoch nun wiederum die Gefahr, daß abgebrochene Teile des einen Kontaktfedersatzes durch die Öffnung in der Kammer in die Öffnung der benachbarten Kammer eindringen können und daß damit nun wieder dieses Sicherheitskonzept aufgehoben wird.By opening the chambers through the recesses described, however, there is now again the risk that broken parts of the one set of contact springs can penetrate through the opening in the chamber into the opening of the adjacent chamber and that this safety concept is now canceled again.

Der Erfindung liegt deshalb die Aufgabe zugrunde, ein Relais mit Kontaktfedersatz, wobei die Kammern der voneinander abgekammerten Kontaktfedersätze mindestens an einer Seite offen sind und Ausnehmungen aufweisen, so weiterzubilden, daß die Kontaktfedersätze durch die Ausnehmungen hindurch manipulierbar sind, ohne daß die Gefahr besteht, daß der abgebrochene Teil eines Kontaktfedersatzes über diese Ausnehmung im Federbock in eine benachbarte Kammer eindringen kann.The invention is therefore based on the object of developing a relay with a contact spring set, the chambers of the mutually separated contact spring sets being open on at least one side and having recesses so that the contact spring sets can be manipulated through the recesses without the risk that the broken part of a contact spring set can penetrate into an adjacent chamber via this recess in the spring bracket.

Zur Lösung dieser Aufgabe ist das Relais mit den eingangs genannten Merkmalen erfindungsgemäss dadurch gekennzeichnet, daß in jeder Kammer eine Öffnung vorgesehen ist, der jeweils ein an der Haube befestigter Ansatz zugeordnet ist, derart, daß bei aufgesetzter Haube die Öffnung verschlossen ist.To achieve this object, the relay with the features mentioned at the outset is characterized in that an opening is provided in each chamber, each of which is assigned an attachment attached to the hood, such that the opening is closed when the hood is fitted.

Innenseitig der Haube sind also die Ansätze angeordnet mit ihren vorderen Enden mindestens teilweise in die Ausnehmungen der Kammern eingreifen.On the inside of the hood, the lugs are arranged with their front ends at least partially engage in the recesses of the chambers.

Mit der gegebenen technischen Lehre wird der wesentliche Vorteil erzielt, daß bei abgenommener Haube die gegeneinander abgeschlossenen Kammern durch die Ausnehmungen in der Kammer zugänglich sind und daß die in den Kammern angeordneten Kontaktfedersätze durch diese Ausnehmungen hindurch mit einem Werkzeug manipulierbar sind.With the given technical teaching, the essential advantage is achieved that, with the hood removed, the mutually closed chambers are accessible through the recesses in the chamber and that the contact spring sets arranged in the chambers can be manipulated through these recesses with a tool.

Sobald aber die Haube auf den so gestalteten Federbock aufgesetzt wird, greifen die Ansätze, welche innenseitig der Haube angeordnet sind, in die entsprechenden Ausnehmungen der Kammern ein, so daß diese Ausnehmungen möglichst dicht durch diese Ansätze verschlossen werden.However, as soon as the hood is placed on the spring bracket designed in this way, the lugs, which are arranged on the inside of the hood, engage in the corresponding recesses in the chambers, so that these recesses are closed as tightly as possible by these lugs.

Der Abschluß soll wenigstens so sein, daß kleinere Teile, die bei einem Kontaktfedersatz abbrechen können, nicht durch diese Ausnehmungen und an den in die Ausnehmungen eingreifenden Ansätze der Haube aus der Kammer entweichen können und möglicherweise in gegenüberliegende oder benachbarte Kammern gelangen können.The conclusion should at least be such that smaller parts, which can break off in a contact spring set, cannot escape from the chamber through these recesses and at the lugs of the hood engaging in the recesses and possibly get into opposite or adjacent chambers.

Eine besonders vorteilhafte Ausführungsform besteht darin, daß die Haube mindestens im Bereich der Ansätze durchsichtig ist, so daß man von außen (d.h. also stirnseitig von vorne) auf die Kontaktfedersätze in den Kammern blicken kann und den Schaltzustand der einzelnen Kontaktfedersätze beobachten kann.A particularly advantageous embodiment consists in that the hood is transparent at least in the area of the lugs, so that one can look at the contact spring sets in the chambers from the outside (that is to say from the front) and can observe the switching state of the individual contact spring sets.

Hierzu ist Voraussetzung , daß nicht nur die Haube durchsichtig ist, sondern auch die Ansätze, welche innenseitig an der Haube angeordnet sind und welche in die Ausnehmungen der Kammern eingreifen.The prerequisite for this is that not only the hood is transparent, but also the lugs which are arranged on the inside of the hood and which engage in the recesses in the chambers.

In einer Weiterbildung der vorliegenden Erfindung wird es hierbei bevorzugt, wenn an den Stirnseiten dieser Ansätze Linsen angebracht sind, die bevorzugt als Sammellinsen ausgebildet sind.In a further development of the present invention, it is preferred here if lenses are attached to the end faces of these attachments, which lenses are preferably designed as converging lenses.

Die Ansätze sind also im wesentlichen konisch oder dreiecksförmig profiliert und tragen an ihren vorderen freien Enden Sammellinsen, welche in die Ausnehmungen der Kammern eingreifen.The lugs are thus essentially conical or triangular in profile and carry converging lenses at their front free ends which engage in the recesses in the chambers.

Dadurch ergibt sich ein Vergrößerungseffekt und bei Draufsicht auf diese Ansätze werden die in den Kammern liegenden Kontaktfedersätze vergrößert für das Auge dargestellt.This results in an enlargement effect and when viewed from above these approaches, the contact spring sets located in the chambers are shown enlarged for the eye.

Eine Ausführungsform der vorliegenden Erfindung wird anhand der Zeichnung näher beschrieben.An embodiment of the present invention is described in more detail with reference to the drawing.

Hierbei gehen aus der Zeichnung und ihrer Beschreibung weitere Vorteile und Merkmale der Erfindung hervor.Further advantages and features of the invention emerge from the drawing and its description.

In der Abbildung ist schematisiert ein Relais mit drei Kontaktfedersätzen 3 dargestellt, welche Kontaktfedersätze 3 in einem Federbock 2 angeordnet sind.A relay with three contact spring sets 3 is shown schematically in the figure, which contact spring sets 3 are arranged in a spring bracket 2.

Der Federbock 2 und das magnetische Antriebssystem werden von einer Haube 1 umschlossen.The spring bracket 2 and the magnetic drive system are enclosed by a hood 1.

Die kontaktgebenden Teile der Kontaktfedersätze 3 sind hierbei in voneinander abgeschlossenen Kammern 4 getrennt voneinander angeordnet.The contacting parts of the contact spring sets 3 are arranged separately from one another in chambers 4 which are closed off from one another.

Die Kammerwände werden einerseits gebildet durch die oberen Flächen des Federbocks, durch die seitlichen Flächen des Federbocks, durch Trennrippen 9 und durch die seitlichen Flächen der Haube 1.The chamber walls are formed on the one hand by the upper surfaces of the spring bracket, by the lateral surfaces of the spring bracket, by separating ribs 9 and by the lateral surfaces of the hood 1.

Um nun die Kontaktfedersätze 3 in den Kammern 4 von außen bei abgenommener Haube 1 mit einem Werkzeug manipulieren zu können, sind Öffnungen oder Ausnehmungen 5 im Federbock 2 angeordnet.To now the contact spring sets 3 in the chambers 4 from the outside removed hood 1 can be manipulated with a tool, openings or recesses 5 are arranged in the spring bracket 2.

Durch diese Ausnehmungen 5 hindurch können diese Kontaktfedersätze 3 von außen mit einem Werkzeug manipuliert werden.These contact spring sets 3 can be manipulated from outside with a tool through these recesses 5.

Um zu gewährleisten, daß keine abgebrochenen Teile des Kontaktfedersatzes aus der jeweiligen Kammer 4 entweichen können, ist erfindungsgemäss vorgesehen, daß an der Innenseite der Haube, gegenüberliegend zu den Ausnehmungen 5 in den Kammern 4 Ansätze 7 an der Haube 1 angeformt sind, welche Ansätze mit ihren vorderen freien Enden in die Ausnehmungen 5 möglichst formschlüssig eingreifen.In order to ensure that no broken-off parts of the contact spring set can escape from the respective chamber 4, it is provided according to the invention that on the inside of the hood, opposite the recesses 5 in the chambers, 4 shoulders 7 are formed on the hood 1, which approaches with engage their free front ends in the recesses 5 as positively as possible.

Damit werden die Ausnehmungen 5 möglichst dicht durch dort eingreifenden Ansätze 7 der Haube 1 verschlossen.Thus, the recesses 5 are closed as tightly as possible by the lugs 7 of the hood 1 engaging there.

Bevorzugt wird hierbei, wenn die Haube 1 oder mindestens aber die Ansätze 7, aus einem durchsichtigen Material gebildet sind.It is preferred here if the hood 1 or at least the lugs 7 are formed from a transparent material.

Damit wird gewährleistet, daß in Pfeilrichtung 6 man von außen den Kontaktzustand der Kontaktfedersätze 3 kontrollieren kann und im übrigen Fehler, wie z.B. abgebrochene Teile und dergleichen, feststellen kann.This ensures that the contact state of the contact spring sets 3 can be checked from the outside in the direction of the arrow 6 and errors, such as e.g. broken parts and the like.

Von besonderem Vorteil hierbei ist es, wenn die vorderen freien Enden der Ausnehmungen 5 als Linsen 8 ausgebildet sind, so daß hierdurch ein Vergrößerungseffekt erzielt wird.It is particularly advantageous here if the front free ends of the recesses 5 are designed as lenses 8, so that an enlarging effect is achieved in this way.

Diese Linsen können - entsprechend den Anforderungen - entweder als Sammellinse oder als Zerstreuungslinse (Weitwinkellinse) ausgebildet sein.Depending on the requirements, these lenses can either be designed as a converging lens or as a diverging lens (wide-angle lens).

Claims (4)

1. Relais mit Kontaktfedersätzen, die an einem gemeinsamen Federbock gehalten und in voneinander getrennten Kammern angeordnet sind, ferner mit einer abnehmbaren Haube für das Relais,
dadurch gekennzeichnet, daß in jeder Kammer (4) eine Öffnung (5) vorgesehen ist, der jeweils ein an der Haube (1) befestigter Ansatz (7) zugeordnet ist, derart, daß bei aufgesetzter Haube (1) die Öffnung (5) verschlossen ist.1. relay with contact spring sets which are held on a common spring bracket and are arranged in separate chambers, furthermore with a removable hood for the relay,
characterized in that an opening (5) is provided in each chamber (4), to which an attachment (7) attached to the hood (1) is assigned, such that the opening (5) is closed when the hood (1) is in place is. 2. Relais nach Anspruch 1, dadurch gekennzeichnet, daß die Öffnungen (5) und die Ansätze (7) an der dem Federbock (2) gegenüber liegenden Stirnseite des Relais vorgesehen sind.2. Relay according to claim 1, characterized in that the openings (5) and the approaches (7) on the spring bracket (2) opposite the end face of the relay are provided. 3. Relais nach Anspruch 1 oder Anspruch 2, dadurch gekennzeichnet, daß die Haube (1) wenigstens im Bereich der Ansätze (7) durchsichtig ist.3. Relay according to claim 1 or claim 2, characterized in that the hood (1) is transparent at least in the region of the lugs (7). 4. Relais nach Anspruch 3, dadurch gekennzeichnet, daß die Ansätze (7) in Linsen (8) enden.4. Relay according to claim 3, characterized in that the approaches (7) end in lenses (8).
EP90116591A 1989-09-08 1990-08-30 Relay Expired - Lifetime EP0416458B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3929877A DE3929877A1 (en) 1989-09-08 1989-09-08 RELAY
DE3929877 1989-09-08

Publications (3)

Publication Number Publication Date
EP0416458A2 true EP0416458A2 (en) 1991-03-13
EP0416458A3 EP0416458A3 (en) 1991-12-04
EP0416458B1 EP0416458B1 (en) 1994-07-27

Family

ID=6388909

Family Applications (1)

Application Number Title Priority Date Filing Date
EP90116591A Expired - Lifetime EP0416458B1 (en) 1989-09-08 1990-08-30 Relay

Country Status (4)

Country Link
US (1) US5111171A (en)
EP (1) EP0416458B1 (en)
AT (1) ATE109305T1 (en)
DE (2) DE3929877A1 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL1008747C2 (en) * 1998-03-30 1999-10-01 Holec Holland Nv Switch with contacts visible through a window.
DE19903751A1 (en) * 1999-01-30 2000-08-24 Eltako Gmbh Schaltgeraete Electromechanical switching device
US6441707B2 (en) * 2000-01-20 2002-08-27 Kilovac Corporation Electrical relay contactor
CH698492B1 (en) * 2006-03-20 2009-08-31 Elesta Relays Gmbh Relay.
DE102012017157A1 (en) * 2012-08-30 2014-03-06 Hengstler Gmbh Relay with modified force-displacement characteristic
DE102012022792A1 (en) * 2012-11-21 2014-05-22 Hengstler Gmbh Insulation structure for the contact set of a relay

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927957A (en) * 1961-03-27 1963-06-06 Ass Elect Ind Improvements relating to small electromagnetic relays and other light current switching assemblies
DE7101687U (en) * 1971-01-18 1971-10-07 Hartmann & Braun Ag Cover cap
DE3402650A1 (en) * 1984-01-26 1985-08-01 Hengstler GmbH, Geschäftsbereich Haller-Relais, 7209 Wehingen Contact spring block for relays having a housing cap
EP0344687A2 (en) * 1988-05-30 1989-12-06 OMRON Corporation Electromagnetic relay having monitoring windows

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2985736A (en) * 1959-06-08 1961-05-23 Allen Bradley Co Reversible contact structure
US3146325A (en) * 1962-04-17 1964-08-25 Square D Co Electromagnetic contactor with pilot light
DE1873681U (en) * 1962-08-01 1963-06-12 Siemens Ag COVER PLATE FOR CUT-OUTS IN EQUIPMENT HOUSING, IN PARTICULAR RELAY CAPS.
US3270301A (en) * 1963-06-13 1966-08-30 Sigma Instruments Inc Plug-in type miniature relay with transparent cover
US3509502A (en) * 1967-11-07 1970-04-28 Gen Signal Corp Electromagnetic relay structure
DE2105130A1 (en) * 1971-02-04 1972-08-17 Sihn Jr Kg Wilhelm Cover hood with separating chambers for relays
DE2454967C3 (en) * 1974-05-15 1981-12-24 Hans 8024 Deisenhofen Sauer Poled electromagnetic relay
IT1083856B (en) * 1977-03-09 1985-05-25 Equipaggiamenti Meccanico Elet ELECTROMAGNETIC RELAY AND PROCEDURE FOR THE PRODUCTION OF THE SAME

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB927957A (en) * 1961-03-27 1963-06-06 Ass Elect Ind Improvements relating to small electromagnetic relays and other light current switching assemblies
DE7101687U (en) * 1971-01-18 1971-10-07 Hartmann & Braun Ag Cover cap
DE3402650A1 (en) * 1984-01-26 1985-08-01 Hengstler GmbH, Geschäftsbereich Haller-Relais, 7209 Wehingen Contact spring block for relays having a housing cap
EP0344687A2 (en) * 1988-05-30 1989-12-06 OMRON Corporation Electromagnetic relay having monitoring windows

Also Published As

Publication number Publication date
DE59006573D1 (en) 1994-09-01
US5111171A (en) 1992-05-05
DE3929877C2 (en) 1991-07-04
DE3929877A1 (en) 1991-03-21
EP0416458A3 (en) 1991-12-04
ATE109305T1 (en) 1994-08-15
EP0416458B1 (en) 1994-07-27

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