EP0240895A2 - Relais miniature de commutation - Google Patents

Relais miniature de commutation Download PDF

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Publication number
EP0240895A2
EP0240895A2 EP87104695A EP87104695A EP0240895A2 EP 0240895 A2 EP0240895 A2 EP 0240895A2 EP 87104695 A EP87104695 A EP 87104695A EP 87104695 A EP87104695 A EP 87104695A EP 0240895 A2 EP0240895 A2 EP 0240895A2
Authority
EP
European Patent Office
Prior art keywords
armature
spring
rocker switch
switching
contact spring
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.)
Withdrawn
Application number
EP87104695A
Other languages
German (de)
English (en)
Other versions
EP0240895A3 (fr
Inventor
Bernhard Dipl.-Ing. Jaworek
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 EP0240895A2 publication Critical patent/EP0240895A2/fr
Publication of EP0240895A3 publication Critical patent/EP0240895A3/fr
Withdrawn legal-status Critical Current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
    • H01H50/64—Driving arrangements between movable part of magnetic circuit and contact
    • H01H50/643—Driving arrangements between movable part of magnetic circuit and contact intermediate part performing a rotating or pivoting movement

Definitions

  • the invention relates to a small switching relay with a bracket for holding a pivotable armature provided with a pivotable armature coil and a spring contact set, the longitudinal axis of the spring contact set running parallel to the longitudinal axis of the magnet coil, and the armature pivoting on the magnet system with its actuating arm supporting the switch contact spring Spring contact set applied switching.
  • the magnetic system and the spring contact system predominantly determine the spatial dimensions of the relay, and the armature stroke determines the distance between the contacts to be switched.
  • the object of the present invention is therefore to increase the air gaps between the contacts to be switched compared to the spring contact systems known per se, and to ensure safe switching and holding in the working position without extensive reinforcement of the magnet system.
  • the solution according to this task therefore provides that in the actuating chain between the armature and the switching contact spring a pivoting movement of the armature on the contact spring translating, on the relay frame on one leg end rotatably mounted and pivotable in opposite directions to the armature is arranged in their middle facing the actuating arm of the armature and resting on this area has a rounded cam-like scanning path emerging from the rocker and rounded at the other leg end opposite the pivot point in the relay frame and acting on the contact spring as a poplar or for the direct loading of the contact spring or an associated poplar is.
  • the invention is characterized in that the fulcrum of the rocker switch pivotally mounted in the relay frame is arranged below and above a plane running parallel to and at a distance from the yoke of the magnet system corresponds to the most distant position of the free end of the actuating arm of the armature resting against the core pole face.
  • the pivot point of the pivotably mounted rocker switch is arranged on or embedded in the spring bracket.
  • An alternative embodiment for the arrangement of the fulcrum is characterized in that the fulcrum of the pivotably mounted rocker switch is arranged on or embedded in the yoke of the magnet system.
  • the rocker switch with the pivotable armature is pivotable in the same direction.
  • a preferred embodiment provides that the rocker switch consists of a smooth plastic material and is mounted with low friction at the pivot point. This enables a one-piece design the rocker switch with the element forming the pivot bearing.
  • a Pimpel is formed on the leg of the switching rocker acting on the switching contact spring, which can be designed such that the molded Pimpel can act on all switching contact springs at the same time in the case of a plurality of contact spring sets arranged side by side.
  • the invention is also characterized in that the leg of the rocker switch acting on the switch contact spring is attached to the spring bracket side of the contacts or alternatively at the outer free end of the switch contact spring.
  • FIG. 1 to 3 show exemplary embodiments according to the invention, which operate according to the movement or translation principle shown in FIG.
  • FIG. 1 a small switching relay is shown in FIG. 1, which, as in FIGS. 2 and 3, consists of the magnet system with a magnet coil 3, a magnet yoke 4, the core pole face 1 and an armature 8, which is preferably pivotable on the yoke via an armature bearing 5 .
  • armature 8 which is preferably pivotable on the yoke via an armature bearing 5 .
  • a spring bracket 2 Mounted on this magnet system is a spring bracket 2 with contact springs 9, 10 of a contact spring set that have contacts 13 therein.
  • a rocker switch 11 in this embodiment is rotatably mounted in the spring bracket 2 in a pivot bearing 12 and rests with its lower rounded middle area on the armature arm 6 of the armature 8.
  • the leg of the rocker switch 11 opposite the fulcrum 12 is designed as a stick 7, via which the rocker switch 11 acts on a switch contact spring 10, which is moved into the working position against the contact spring 9 when the magnet system is excited by the armature 8.
  • the contacts 13 of the contact springs 9, 10 thus establish the electrical connection.
  • the other ends of the contact springs 9, 10 are assigned solder or plug connections 14.
  • FIG. 1 shows that the switching rocker 11 acts on the switching contact spring 10 at the outer end via the stick 7.
  • FIG. 2 shows an embodiment in which the rocker switch 11 acts directly on the spring bracket side of the contact 13 of the switch contact spring 10.
  • the leg of the switching rocker 11 which acts on the contact spring 10 is shorter here, and the middle region resting on the armature arm 6 and transmitting the pivoting movement of the armature 8 is arranged closer to the pivot point 12, this pivot point also being provided in or on the spring bracket.
  • FIG. 3 a construction of a relay is shown in FIG. 3, which has a switching rocker 11 which is shaped substantially differently and which is designed in the central region in the form of a cam for interaction with the armature arm 6.
  • the rocker switch 11 is rotatably mounted in the yoke 4.
  • the leg of the rocker 11 opposite the pivot point 12 acts here on a stub 7 fixedly arranged on the switching contact spring.
  • FIGS. 1 to 3 have in common that in the actuating chain for the switching contact spring 10, a switching rocker 11 is rotatably mounted on the yoke 4 or spring bracket 2 so that the pivoting movement of the armature arm 6, as shown in FIG causes greater pivoting movement of the rocker switch 11 and thus a much larger contact stroke of the switch contact spring 10, the fulcrum 12 of the rocker switch 11 is arranged below and above a plane 15 which runs parallel to and at a distance from the yoke 4 of the magnet system and which is the most distant position of the free end of the Actuating arm 6 of the armature 8 resting against the core pole face 1 corresponds.
  • the spring bracket 2 can, for example, also have a different structure or be assigned to the magnet system at a different location.
  • the pivoting movement of the armature 8 can also take place in the same direction as the pivoting movement of the rocker switch 11. It is essential that a large contact stroke, ie a larger contact stroke than the armature stroke, and thus the larger contact distance on which the task is based, are achieved in a simple manner by means of the rocker switch 11.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Electromagnets (AREA)
  • Tumbler Switches (AREA)
  • Arrangement Or Mounting Of Control Devices For Change-Speed Gearing (AREA)
  • Valve Device For Special Equipments (AREA)
EP87104695A 1986-04-02 1987-03-30 Relais miniature de commutation Withdrawn EP0240895A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19863611049 DE3611049A1 (de) 1986-04-02 1986-04-02 Kleinschaltrelais
DE3611049 1986-04-02

Publications (2)

Publication Number Publication Date
EP0240895A2 true EP0240895A2 (fr) 1987-10-14
EP0240895A3 EP0240895A3 (fr) 1988-11-17

Family

ID=6297763

Family Applications (1)

Application Number Title Priority Date Filing Date
EP87104695A Withdrawn EP0240895A3 (fr) 1986-04-02 1987-03-30 Relais miniature de commutation

Country Status (2)

Country Link
EP (1) EP0240895A3 (fr)
DE (1) DE3611049A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355427A3 (fr) * 1988-08-18 1992-02-12 Hengstler Bauelemente GmbH Relais de circuit miniaturisé

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2834850A (en) * 1954-02-12 1958-05-13 Essex Wire Corp Relay
DE2904677A1 (de) * 1979-02-08 1980-08-14 Haller & Co E Relais-federsatz mit rueckstellelement

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0355427A3 (fr) * 1988-08-18 1992-02-12 Hengstler Bauelemente GmbH Relais de circuit miniaturisé

Also Published As

Publication number Publication date
EP0240895A3 (fr) 1988-11-17
DE3611049C2 (fr) 1989-03-02
DE3611049A1 (de) 1987-10-15

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Inventor name: JAWOREK, BERNHARD, DIPL.-ING.