EP3561830A1 - Dispositif de contact de commutation - Google Patents

Dispositif de contact de commutation Download PDF

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Publication number
EP3561830A1
EP3561830A1 EP19169295.3A EP19169295A EP3561830A1 EP 3561830 A1 EP3561830 A1 EP 3561830A1 EP 19169295 A EP19169295 A EP 19169295A EP 3561830 A1 EP3561830 A1 EP 3561830A1
Authority
EP
European Patent Office
Prior art keywords
contact
carrier
switching
pole
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.)
Granted
Application number
EP19169295.3A
Other languages
German (de)
English (en)
Other versions
EP3561830B1 (fr
Inventor
Ralf Hoffmann
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.)
Phoenix Contact GmbH and Co KG
Original Assignee
Phoenix Contact GmbH and Co KG
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 Phoenix Contact GmbH and Co KG filed Critical Phoenix Contact GmbH and Co KG
Publication of EP3561830A1 publication Critical patent/EP3561830A1/fr
Application granted granted Critical
Publication of EP3561830B1 publication Critical patent/EP3561830B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/24—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting
    • H01H1/26—Contacts characterised by the manner in which co-operating contacts engage by abutting with resilient mounting with spring blade support
    • 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
    • H01H1/5822—Flexible connections between movable contact and terminal
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H49/00—Apparatus or processes specially adapted to the manufacture of relays or parts thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/14—Terminal arrangements
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/56—Contact spring sets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/548—Contact arrangements for miniaturised relays
    • 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 present disclosure relates to a switch contact arrangement for a relay.
  • Relays typically include an electromechanical switching group that switches at least between a first switching state and a second switching state.
  • the electromechanical switching group may comprise a movable contact element, which can usually be moved back and forth between the first switching contact and a second switching contact parallel to a longitudinal orientation of an armature of the relay.
  • the individual components of the electromechanical switching group are made in a plurality of manufacturing steps, wherein the assembly of the switching group and / or the manufacturing cost of the switching group can be proportional to a number of manufacturing steps.
  • a switch contact arrangement comprising a first contact carrier, a second contact carrier and a contact spring, wherein the first contact carrier is disposed below the contact spring and the second contact carrier above the contact spring.
  • the contact spring is designed to produce an electrical connection to a first contact pole with the first contact carrier and to produce an electrical connection to the second contact carrier at a second contact pole, wherein the first contact pole is arranged laterally offset from the second contact pole and contact plug for electrical connection the contact carriers and the contact spring are arranged side by side.
  • the disclosure relates to a switching contact arrangement for a relay.
  • the switching contact arrangement comprises a first contact carrier, which comprises a first contact plug and a first contact pole, wherein the first contact pole is arranged in a first switching plane and the first contact plug is formed integrally with the first contact carrier and wherein the first contact carrier via the first contact plug with an electrical contact Signal can be acted upon.
  • the switching contact arrangement comprises a second contact carrier, which comprises a second contact plug and a second contact pole, wherein the second contact pole is arranged in a second switching plane, which is arranged parallel spaced from the first switching plane, and wherein the second contact carrier via the second contact plug with a further electrical signal can be acted upon.
  • the switch contact arrangement comprises a contact spring, which has a third contact carrier and a third contact plug, wherein the contact spring between the first switching level and the second switching level is arranged, and wherein the third contact carrier via the third contact plug with a third electrical signal can be acted upon, and wherein the contact spring has a third contact pole which faces the first contact pole and a fourth contact pole which faces the second contact pole, and wherein the third contact pole is laterally offset next to the fourth contact pole.
  • the switch contact arrangement may in particular be suitable for use in a relay with a reduced overall width of 3 mm.
  • the switch contact assembly for use in a 3mm relay can be made more cost effective than a switch contact assembly for use in a 5mm relay.
  • mounting of the switch contact arrangement in the relay can be simplified.
  • the components of the switching contact arrangement are arranged in the first switching level or in the second switching level, wherein the contact spring and the second contact carrier can each have a transition region, which realizes a connection between the first switching level and the second switching level. Accordingly, a number of bending operations, which may be necessary for the production of the switching contact arrangement, may advantageously be reduced.
  • the switching contact arrangement it is advantageously possible to use planar semi-finished products, which are shaped in particular by punching, riveting and bending to form the switching contact arrangement. Due to the planar shape of the contact carrier and the contact spring, the switching arrangement can be made by means of a combined punching-bending process step and a riveting process step.
  • the contact spring comprises a spring element, which is designed to generate a restoring force during a deflection of the contact spring from a rest position, which drives the contact spring back into the rest position.
  • the third contact carrier may be resiliently mounted on the second contact carrier or on the first contact carrier, wherein in each case the second contact pole rests on the fourth contact pole or the first contact terminal rests on the third contact pole. Further, in a rest position of the contact spring, the first contact pole may be spaced from the third contact pole and the second contact pole may be spaced from the fourth contact pole. Accordingly, the switching contact arrangement may have three switching states. In a first switching state, the three contact carriers can be electrically separated from each other, in a second switching state, the first contact carrier and the third contact carrier can be electrically connected to each other and / or in a third switching state, the second contact carrier and the third contact carrier can be electrically connected.
  • the third contact carrier is electrically connected to the first contact carrier or to the second contact carrier, in which the respective contact poles rest on one another.
  • a deflection of the contact spring causes a separation of the electrical contact between the previously superimposed contact poles and the respective other contact pole pair is electrically connected together.
  • the first contact carrier and the second contact carrier are formed from a first sheet metal blank and the contact spring is formed from a second Blechplatinen 1:1.
  • the switching contact arrangement has overlapping surfaces between the first contact carrier and the third contact carrier and / or the second contact carrier and the third contact carrier, in particular in the region of the contact poles. Accordingly, the first contact carrier and the second contact carrier, which have no overlapping surfaces can be made from the same sheet metal blank.
  • the contact spring with the third contact carrier may be made of a further piece of sheet metal blank and by insertion parallel to the first Switching and / or the second switching level between the first contact carrier and the second contact carrier may be arranged.
  • the first contact plug, the second contact plug and the third contact plug are formed from the first sheet metal part.
  • the contact plug and the first contact carrier and the second contact carrier can be made of the same sheet metal blank to realize an efficient production of the switching contact arrangement with a reduced number of manufacturing steps.
  • the first contact plug, the second contact plug and the third contact plug are arranged in the first switching level.
  • the contact plug can be arranged in a row which is arranged perpendicular to a width of a relay, so that the contact plug can be arranged within the width of the relay.
  • the third contact plug has at least one connection point, which is designed to electrically connect the third contact carrier to the third contact plug and mechanically fix it.
  • the contact spring may be composed in two parts of two different Blechplatinen administraten.
  • the third contact plug and the third contact carrier may each be made from separate sheet metal blanks, in particular stamped and bent, in order to be subsequently joined together at the contact point.
  • the third contact carrier can in particular be riveted to the third contact carrier, pressed, welded and / or soldered.
  • the third contact carrier can be connected by means of a plug connection with the third contact plug.
  • the first contact carrier in the first switching level is L-shaped and the second contact carrier is angled to overcome the distance between the second contact pole in the second switching level and the second contact plug in the first switching level.
  • the advantage is achieved that between the first contact carrier and the second contact carrier, a gap for insertion, in particular insertion of the contact spring and / or the third contact carrier is created.
  • a gap for insertion in particular insertion of the contact spring and / or the third contact carrier is created.
  • the second contact carrier may in particular be bent in a Z-shape and / or at right angles in order to overcome a distance to the second contact plug.
  • the spring element between the third contact carrier and the third contact plug is arranged and z-shaped to bridge a distance between the first switching level and the second switching level.
  • the respective contact poles are riveted and / or welded to the respective contact carrier. Furthermore, the contact poles can also be soldered to the contact carrier. In one embodiment, the contact poles may be formed by forming the respective contact carrier. The contact poles may in particular have a curved shape. For a rivet connection between a contact pole and a contact carrier, a breakthrough may be provided in the contact carrier. The contact poles may be made more resistant to contact erosion relative to the contact carriers to increase a possible number of switching operations involving an electrical load between the contact poles.
  • the switch contact arrangement comprises a coupling arm which can be coupled to an armature of a magnet system, wherein the coupling arm is designed to effect a translation of the contact spring perpendicular to a longitudinal axis of the armature with a force acting on the coupling arm by means of the armature Contact spring to be electrically connected to one of the contact carrier.
  • the contact spring can alternately electrically connect the first contact pole to the third contact pole and the second contact pole to the fourth contact pole.
  • the coupling arm may in particular be formed integrally with the contact spring.
  • the coupling arm and / or a further coupling arm can be integrally formed laterally next to the third contact pole and / or the fourth contact pole, the armature simultaneously acting on coupling arms in order to prevent a torsion of the contact spring about a longitudinal axis of the contact spring.
  • the coupling arm is arranged laterally next to the third contact carrier and has a coupling region, which is designed to receive a lever arm of the magnet system at least partially in a form-fitting manner.
  • the coupling arm can be coupled with the lever arm mechanically fixed to the magnet system.
  • an efficient transmission of power from the magnet system to the contact spring can thereby be realized.
  • the positive connection between the lever arm and the coupling arm can be realized for example by engaging a cylindrical projection of the lever arm, which engages in an opening of the coupling arm.
  • On the lateral surface of the cylindrical projection may further be formed a latching connector in the form of a latching lug and / or a latching recess, in which engages the coupling arm respectively engages.
  • connection between the coupling arm and the lever arm may in particular be formed free of play in order to implement a translation of the lever arm with as little loss as possible in a translation of the coupling arm and according to the contact spring.
  • the coupling arm With the form-locking connection, the coupling arm can be moved both in the direction of the first switching plane and opposite in the direction of the second switching plane.
  • the contact spring in the rest position of the first contact carrier and / or the second contact carrier is electrically isolated.
  • a contact pole pair for example the second contact pole and the fourth contact pole, are electrically separated and a further contact pole pair;
  • the first contact pole and the third contact pole can be electrically connected.
  • the first contact carrier, the second contact carrier and / or the third contact carrier have openings for receiving pins of a relay housing in order to fix the switching contact arrangement in a relay housing.
  • the relay housing can be efficiently held in the relay housing.
  • the first contact carrier and the second contact carrier can be mechanically fixedly connected to the relay housing.
  • a part of the contact spring which comprises, for example, the connection point and the third contact plug, be firmly anchored by means of a mechanical connection between the openings and the pins of the relay housing in the relay housing.
  • the spring element and the third contact carrier may be arranged to be movable relative to the relay housing.
  • the second contact carrier which has sections in the first switching plane and further sections in the second switching plane, may be fixed in the respective switching plane by means of connections between pins of the relay housing and corresponding openings in the sections of the second contact carrier.
  • the switching contact arrangement can be fastened by means of clamping connections to the edges of the contact carrier and / or by means of material-locking connections, in particular adhesive connection in the relay housing.
  • the switching contact arrangement comprises a first offset section, which is arranged on the first contact plug and configured to arrange the first contact plug offset along a surface normal of the first switching plane by a predetermined distance from the first switching plane.
  • the first offset section is in particular formed in one piece with the first contact plug and / or the first contact section, in particular formed from a contact carrier strip.
  • the first contact plug may be disposed at a predetermined position of the relay width.
  • the first contact plug can be arranged in the first switching plane, in the second switching plane or in the middle between the first switching plane and the second switching plane.
  • any predetermined position of the first contact carrier is limited by the width of the relay feasible.
  • the position of the first contact carrier can advantageously be adapted to a position of an associated contact socket in a terminal block for receiving the relay.
  • the second contact plug and / or the third contact plug can be arranged over a respective offset portion in a predetermined position.
  • the first contact plug, the second contact plug and the third contact plug are arranged in one plane.
  • the contact plugs are each offset from one another.
  • the switch contact arrangement comprises a second offset portion and a third offset portion.
  • the third offset portion is arranged offset laterally on the contact spring, and / or the second contact plug is arranged with a lateral offset on the second offset portion.
  • the offset portions are configured to arrange the respective contact plug offset along a surface normal of the first switching plane by a predetermined distance from the first switching plane.
  • the third offset portion can advantageously be used in the longitudinal direction of the contact spring available space for attachment of the contact spring and / or for a design of the spring element.
  • the offset portion is not reduced by the offset portion, the available space in the longitudinal direction of the contact spring space.
  • the third offset portion can be arranged offset transversely to the longitudinal direction of the contact spring to efficiently use space, which is given by the minimum distance of the contact plug to each other.
  • the disclosure relates to a method for producing a switching contact arrangement for a relay, with stamping of the first contact carrier and of the second contact carrier in a contact carrier strip; Attaching the first contact pole to the first contact carrier and the second contact pole to the second contact carrier; Bending a contact section of the second contact carrier into the second switching plane, wherein the second contact pole is arranged on the contact section; Punching the contact spring in a contact spring band; Attaching the third contact pole and the fourth contact pole to a third contact carrier of the contact spring; Bending the contact spring to form the spring element, wherein the third contact carrier, on which the third contact pole and the fourth contact pole are arranged, to the second switching plane has a smaller distance than the third contact plug to the second switching plane; Connecting the contact carrier tape to the contact spring band at the junction of the third contact plug; Separating the contact spring from the contact spring band; and disconnecting the contact plug from the contact carrier tape.
  • the advantage can be achieved that the switching contact arrangement can be used in an assembly step in the relay housing. Furthermore, then in a single further assembly step, the magnet system can be used with the lever arm in the relay housing and connected to the switching contact arrangement, so that the number of manufacturing steps for producing a relay with the switching contact arrangement can be advantageously reduced.
  • the magnet system can be inserted into the relay housing without further adjustment and / or adjustment steps.
  • the magnet system can also be held in the relay housing with pins of the relay housing.
  • the contact spring band may be arranged in a plane perpendicular to the contact carrier band to interleave the contact carrier and the contact spring by a translation of the contact carrier band and / or the contact spring band.
  • the second contact carrier may in particular be a NC fixed contact carrier which is bent in a z-step manner. In an off state of the relay, the second contact pole can rest on the fourth contact pole.
  • the method can be carried out by means of a stamping / bending machine in order to realize a joint processing of the contact carrier strip with the contact spring strip.
  • the advantage is achieved that a punching of the contact carrier strip, by which the first contact carrier of the second contact carrier and / or at least partially the first contact plug, the second contact plug and the third contact plug are formed and bending of the second contact carrier such that the second contact carrier a contact portion which is arranged in the second switching plane, which is integrally connected to the second contact plug, which is arranged in the first switching plane.
  • the contact spring from the contact spring band and the spring element can be integrally formed in the contact spring
  • the contact spring band is wound onto a reel to produce the switch contact arrangement in an assembly of a production line.
  • the contact carrier band is wound onto a further reel.
  • Fig. 1 shows a schematic perspective view of a switching contact arrangement 100 for a relay.
  • the switching contact arrangement 100 comprises a first contact carrier 101-1, which comprises a first contact plug 111-1 and a first contact pole 103-1, wherein the first contact pole 103-1 is arranged in a first switching plane 105-1 and the first contact plug 111-1 is formed integrally with the first contact carrier 101-1 and wherein the first contact carrier 101-1 can be acted upon via the first contact plug 111-1 with a first electrical signal.
  • the switch contact arrangement 100 comprises a second contact carrier 101-2, which comprises a second contact plug 111-2 and a second contact pole 103-2, wherein the second contact pole 103-2 is arranged in a second switching plane 105-2, which is spaced parallel from the first switching level 105-1 is arranged, and wherein the second contact carrier 101-2 can be acted upon via the second contact plug 111-2 with a second electrical signal
  • the switch contact arrangement 100 comprises a contact spring 107 which has a third contact carrier 101-3 and a third contact plug 111-3, wherein the contact spring 107 is arranged between the first switching level 105-1 and the second switching level 105-2, and wherein the third Contact carrier 101-3 over the third Contact plug 111-3 can be acted upon by a third electrical signal.
  • the third contact plug 111-3 has connection points 113-1, 113-2 which are designed to electrically connect the third contact carrier 101-3 with the third contact plug 111-3 and to mechanically fix it.
  • the contact spring 107 has a third contact pole 103-3, which faces the first contact pole 103-1 and a fourth contact pole 103-4, which faces the second contact pole 103-2. Furthermore, the third contact pole 103-3 is arranged laterally offset next to the fourth contact pole 103-4.
  • the contact spring 107 comprises a spring element 109, which is designed to generate a restoring force during a deflection of the contact spring 107 from a rest position, which drives the contact spring 107 back into the rest position.
  • the spring element 109 is arranged between the third contact carrier 101-3 and the third contact plug 111-3 and shaped Z-shaped in order to bridge a distance between the first switching level 105-1 and the second switching level 105-2.
  • the first contact plug 111-1, the second contact plug 111-2 and the third contact plug 111-3 are arranged in the first switching level 105-1.
  • the first contact carrier 101-1 is L-shaped in the first switching plane 105-1 and the second contact carrier 101-2 is angled to the distance between the second contact pole 103-2 in the second switching level 105-2 and the second contact plug 111-2 in the first switching level 105-1 overcome.
  • first contact carrier 101-1, the second contact carrier 101-2 and / or the third contact carrier 101-3 openings 121-1, 121-2, 121-3, 121-4, 121-5 for receiving pins of a relay housing 123 to fix the switch contact arrangement 100 in a relay housing 123.
  • the respective contact poles 103-1, 103-2, 103-3. 103-4 are riveted and / or welded to the respective contact carrier 101-1, 101-2, 101-3.
  • the switch contact arrangement 100 further comprises a coupling arm 115, which can be coupled to an armature of a magnet system.
  • the coupling arm 115 is arranged laterally next to the third contact carrier 101-3 and has a coupling region 119 which is designed to at least partially receive a lever arm 507 of the magnet system 503 in a form-fitting manner.
  • the contact spring 107 is electrically isolated in the rest position of the first contact carrier 101-1.
  • the second contact carrier 101-2 has an offset portion 117 which is disposed between the contact portion 125 and the second contact plug 111-2.
  • the contact portion 125 is configured to receive the second contact pole 103-2.
  • the offset portion 117 is configured to realize by means of two curved portions a parallel offset of the contact portion 125 relative to the second contact plug 111-2, so that the contact portion 125 in the second switching level 105-2 and the second contact plug 111-2 arranged in the first switching level 105-1 is.
  • Fig. 2A shows a schematic representation of a partial method 200 of the method for producing a switching contact arrangement 100 for a relay.
  • the sub-method 200 includes punching 203 of the first contact carrier 101-1 and the second contact carrier 101-2 in a sheet metal blank 201 and attaching 205 of the first contact pole 103-1 to the first contact carrier 101-1 and the second contact pole 103-2 to the second contact carrier 101-2. Further, the method 200 includes bending 207 a contact portion 125 of the second contact carrier 101-2 in the second switching plane 105-2, wherein on the contact portion 125 of the second contact pole 103-2 is arranged. Bending 207 occurs particularly at offset portion 117. By bending 207, second contact pole 103-2 may be aligned in alignment with first contact pole 103-1 and third contact carrier 111-3.
  • a mounting location 203-1, 203-2 is formed, which is adapted to receive the respective contact pole 103-1, 103-2.
  • the mounting points 203-1, 203-2 may be in particular recesses or depressions which are punched or embossed in the respective contact carrier 101-1, 101-2. Such a depression can also be formed as a curvature out of the plane of the drawing according to the plan view shown.
  • Fig. 2B shows a schematic perspective view of the partial method 200 of the method for producing a switch contact arrangement 100 according to the in Fig. 2A shown embodiment.
  • the respective contact pole 103-1, 103-2 can be riveted onto the respective contact carrier 103-1, 103-2, whereby the first contact pole 103-1 can be aligned in the direction of the second switching plane 105-2 and / or the second contact pole 103 -2 can be aligned in the direction of the first switching level 105-1.
  • Fig. 3A shows a schematic representation of a partial method 300 of the method for producing a switching contact arrangement 100 for a relay.
  • the partial method 300 comprises punching 305 of the contact spring 107 in a second sheet metal part 301 and attaching 307 of the third contact pole 103-3 and the fourth contact pole 103-4 to a third contact carrier 101-3 of the contact spring 107. Further, the partial method 300 comprises bending 309 of the contact spring 107 to form the spring element 109.
  • the contact spring 107 has a first mounting location 303-1 and a second mounting location 303-2, wherein the first mounting location 303-1 is configured to receive the third contact pole 103-3 and wherein the second mounting location 303-2 is formed, the fourth contact pole 103-4 record.
  • the third contact pole 103-3 may be arranged according to the plan view shown on an underside of the contact spring 107 and the fourth contact pole 103-4 may be arranged correspondingly on an upper side of the contact spring 107.
  • a further coupling arm 323 may be formed on the contact spring 107, which is formed symmetrically with respect to the coupling arm 115 with respect to a longitudinal axis of the contact spring 107.
  • the support struts 313-1, 313-2 can be removed in parallel with the molding of the spring element 109.
  • the support strut 313-3 may be removed together with a partial remainder 317 of the second metal sheet piece 301 including the contact spring 107.
  • the removal 315 of the partial remainder piece and the holding strut 313-3 may be carried out as a separate method step or be realized parallel to the shaping of the spring element 109 by the bending 309 of the contact spring 107.
  • the contact spring 107 may finally be connected by a further holding strut 313-4 with the second sheet metal blank 301.
  • Fig. 3B shows a schematic side view of the sub-process 300 according to the in Fig. 3A shown embodiment.
  • the third contact carrier 101-3 on which the third contact pole 103-3 and the fourth contact pole 103-4 are arranged, has a smaller spacing from the second switching plane 105-2 than a connection section 311 to the second switching plane 105-2.
  • the spring element 109 is bent in a Z-shape and connects the third contact carrier 101-3 with the connection section 311.
  • the connection section 311 is designed to be connected to the third contact plug, in particular to be riveted.
  • Fig. 3C shows a schematic plan view of the sub-method 300 according to the in Fig. 3A shown embodiment.
  • the individual method steps can be implemented stepwise on a particular continuous contact spring band 321.
  • the contact spring 107 may finally be connected by a further holding strut 313-4 with the contact spring band 321 to wind after forming the contact spring 107, the contact spring strip 321 on a reel.
  • Fig. 4A shows a schematic representation of a method 400 for producing a switching contact arrangement 100 for a relay.
  • the method 400 includes the sub-method 200 according to the in Fig. 2A embodiment shown and the further partial method 300 according to the in Fig. 3C shown embodiment.
  • the individual method steps of sub-method 200 can be implemented step-by-step on a particularly continuous contact carrier strip 401.
  • the contact plug 111-1, 111-2, 111-3 can remain materially connected to the contact carrier tape 401 to after forming the contact carrier 101-1, 101-2 and the contact plug 111-1, 111-2, 111-3 the Wound contact carrier tape 401 on another reel.
  • the method 400 comprises connecting 403 of the contact carrier band 401 to the contact spring band 321 at the connection points 113-1, 113-2 of the third contact plug 111-3, disconnecting 405 the contact spring 107 from the contact spring band 321, and further separating 407 the contact plug 111 -1, 111-2, 111-3 of the contact carrier tape 401.
  • the contact plugs 111-1, 111-2, 111-3 each have a tapered shape.
  • the ends of the contact plugs 111-1, 111-2, 111-3 may be triangular and / or tapered to form, for example, one contact tip each.
  • the method 400 may include inserting 409 the switch contact arrangement 100 into the relay housing 123, wherein the switch contact arrangement 100 may be held in the relay housing 123 by means of a latching connection.
  • the contact carrier strip 401 can be brought together in particular at a right angle with the contact spring strip 321.
  • the contact spring 107 can be separated from the contact spring band 321 and simultaneously connected to the third contact plug 111-3 at the connection points 113-1, 113-2.
  • the contact spring 107 can be carried over the connection points 113-1, 113-2 with the contact carrier band 401.
  • the switch contact assembly 100 With the subsequent separation 407 of the contact plug 111-1, 111-2, 111-3 of the contact carrier tape 401, the switch contact assembly 100 can be separated from the contact carrier tape 401 to subsequently insert the switch contact assembly 100 in the relay housing 123. Accordingly, a plurality of switch contact assemblies 100 may be made of a continuous contact carrier tape 401 and a continuous contact spring band 321.
  • Fig. 4B shows a schematic side view of the method 400 according to the in Fig. 4A shown embodiment.
  • the contact carrier strip 401 and the contact spring strip 321 are offset from the relay housing 123. Accordingly, the switch contact arrangement 100 can be inserted parallel to a surface normal 411 of a bottom surface of the relay housing 123 in the relay housing 123.
  • Fig. 5 3 shows a schematic perspective view of a method 500 for producing a relay 509.
  • Method comprises mounting 511 of the magnet system 503 in the relay housing 123.
  • the mounting 511 of the magnet system 503 takes place after inserting the switch contact arrangement 100 into the relay housing 123.
  • the magnet system comprises an armature 501, which is adapted to be deflected electromagnetically, and a lever arm 507, which is connected to the armature 501.
  • the lever arm 507 is designed to come to rest on at least one of the coupling arms 115, 323 and / or to be positively and / or materially connected to one of the coupling arms 115, 323.
  • a deflection of the armature 501 can be transmitted via the lever arm 507 to at least one of the coupling arms 115, 323 in order to move the contact spring 107.
  • the coupling arm 115 is formed with a force acting on the coupling arm 115 by means of the armature 501 to effect translation of the contact spring 107 perpendicular to a longitudinal axis 505 of the armature 501 to contact spring 107 with one of the contact carriers 101-1, 101-2 , 101-3 electrically conductively connect.
  • Fig. 6 shows a schematic perspective view of a method 600 for producing a switch contact arrangement 100 and for arranging the switch contact arrangement 100 in a relay 509 in one embodiment.
  • the method 600 comprises the method 400 for producing a switching contact arrangement 100 for a relay 509 according to the method described in FIG Fig. 4A shown embodiment. Further, the method 600 includes the method 500 of manufacturing a relay 509 according to the method of FIG Fig. 5 shown embodiment.
  • the method 600 comprises placing 601 a relay cover plate 603, which is designed to close the relay housing 123 in order to protect the switching contact arrangement 100 arranged inside the relay housing and the magnet system 503 from external influences.
  • Fig. 7 shows a schematic representation of a contact spring 107 in one embodiment.
  • the contact spring 107 comprises a connecting portion 311 and a third contact carrier 101-3 with a spring element 109.
  • the third contact carrier 101-3 has a rectangular surface with rounded corners, which tapers in the direction of the spring element 109, in particular in a trapezoidal shape.
  • the contact spring 107 also has an opening 701, which is arranged above a part-circular recess 703 in a corner of the contact carrier 101-3.
  • the opening 701 may in particular be a circular bore or punch opening.
  • the part-circular recess 703 may be formed, for example, by a breakthrough running along a peripheral portion of a circle, in particular a punch opening.
  • the third contact pole 103-3 may be at least partially surrounded by the part-circular recess 703.
  • the contact spring 107 has a width-reduced portion 705, which may be formed in particular by symmetrical, opposite and / or trapezoidal recesses.
  • Fig. 8 shows a schematic perspective view of a switching contact arrangement 100 for a relay.
  • the switching contact arrangement 100 comprises a first contact carrier 101-1, which comprises a first contact plug 111-1 and a first contact pole.
  • the first Contact pole is disposed in the first switching level 105-1 and the first contact plug 111-1 is formed integrally with the first contact carrier 101-1.
  • the switching contact arrangement 100 comprises a second contact carrier 101-2, which comprises a second contact plug 111-2 and a second contact pole 103-2, wherein the second contact pole 103-2 is arranged in the second switching plane 105-2, which is spaced parallel from the first switching level 105-1 is arranged.
  • the switching contact arrangement 100 comprises a contact spring 107, which has a third contact carrier 101-3 and a third contact plug 111-3.
  • the third contact carrier 101-3 is arranged between the first switching level 105-1 and the second switching level 105-2.
  • the contact spring 107 has a third contact pole, which faces the first contact pole and a fourth contact pole 103-4, which faces the second contact pole 103-2. Furthermore, the third contact pole is arranged laterally, in particular in the longitudinal direction of the contact spring 107, offset next to the fourth contact pole 103-4.
  • the contact spring 107 further includes a spring element 109, which is designed to generate at a deflection of the contact spring 107 from a rest position a restoring force, which drives the contact spring 107 back to the rest position.
  • the spring element 109 is arranged between the third contact carrier 101-3 and the third contact plug 111-3 and shaped Z-shaped in order to bridge a distance between the first switching level 105-1 and the second switching level 105-2.
  • the first contact plug 111-1, the second contact plug 111-2 and the third contact plug 111-3 are arranged in the second switching level 105-2.
  • the second contact carrier 101-2 is angled to overcome the distance between the second contact pole 103-2 in the second switching level 105-2 and the second contact plug 111-2 in the first switching level 105-1.
  • the switching contact arrangement 100 further comprises a coupling arm 115 and a lever arm 507, wherein the coupling arm 115 is formed integrally with the third contact carrier 101-3 and the contact spring 107.
  • the coupling arm can be coupled via the lever arm 507 to an armature 501 of a magnet system 503.
  • the coupling arm 115 is arranged laterally next to the third contact carrier 101-3 and has a coupling region 119 for connection to a lever arm 507 of the magnet system 503.
  • the lever arm 507 is designed to come to rest on at least one of the coupling arms 115, 323 and / or to be positively and / or materially connected to one of the coupling arms 115, 323. A deflection of the armature 501 can be transmitted via the lever arm 507 to at least one of the coupling arms 115, 323 in order to move the contact spring 107.
  • the coupling arm 115 is formed with a force acting on the coupling arm 115 by means of the armature 501 to effect translation of the contact spring 107 perpendicular to a longitudinal axis 505 of the armature 501 to contact spring 107 with one of the contact carriers 101-1, 101-2 , 101-3 electrically conductively connect.
  • the second contact carrier 101-2 has an offset portion 117 which is disposed between the contact portion 125 and the second contact plug 111-2.
  • the contact portion 125 is configured to receive the second contact pole 103-2.
  • the offset portion 117 is configured to realize by means of two curved portions a parallel offset of the contact portion 125 relative to the second contact plug 111-2, so that the contact portion 125 in the second switching level 105-2 and the second contact plug 111-2 at least partially in the first switching level 105th -1 is arranged.
  • the first contact plug 111-1 has a first offset portion 801-1
  • the second contact plug 111-2 has a first offset portion 801-2
  • / or the third contact plug 111-3 has a third offset portion 801-3.
  • the respective offset portions 801-1, 801-2, 801-3 are configured to connect the respective contact plug 111-1, 111-2, 111-3 to the respective contact carrier 101-1, 101-2, 101-3, and one overcome predetermined distance between the first switching level 105-1 and the second switching level 105-2.
  • the contact carriers 101-1, 101-2, 101-3 may be fixed to the relay housing 123 with a respective portion disposed in the first switching plane 105-1, with the offset portions 801-1, 801-2, 801-3 are formed, the respective contact plug 111-1, 111-2, 111-3 spaced from the first switching level 105-1, in particular to arrange in the second switching level 105-2.
  • the offset portions 801-1, 801-2, 801-3 form cranks for the contact plugs 111-1, 111-2, 111-3.
  • the contact plugs 111-1, 111-2, 111-3 have flat, rectangular ends.
  • the contact plugs 111-1, 111-2, 111-3 can be arranged in one plane, in particular in the second switching plane 105-2, with activation contacts 803-1, 803-2 of the magnet system 503.
  • the contact plugs 111-1, 111-2, 111-3 are formed from a contact plug band, which in particular can be wound onto a reel in order to continuously form a plurality of contact plug groups from the contact carrier strip.
  • the contact carriers 101-1, 101-2, 101-3 may be formed from a contact carrier strip, which in particular can be wound onto a further reel in order to continuously form a plurality of contact carrier groups from the contact carrier strip.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Manufacture Of Switches (AREA)
EP19169295.3A 2018-04-24 2019-04-15 Dispositif de contact de commutation Active EP3561830B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
BE2018005274 2018-04-24

Publications (2)

Publication Number Publication Date
EP3561830A1 true EP3561830A1 (fr) 2019-10-30
EP3561830B1 EP3561830B1 (fr) 2021-10-13

Family

ID=66182445

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19169295.3A Active EP3561830B1 (fr) 2018-04-24 2019-04-15 Dispositif de contact de commutation

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EP (1) EP3561830B1 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB919418A (en) * 1958-12-03 1963-02-27 Saia Ag Improvements in or relating to electric switch contact arrangements
DE1291833B (de) * 1966-07-19 1969-04-03 Siemens Ag Verfahren zur Herstellung einer Kontaktanordnung, insbesondere fuer Relais
FR2527001A1 (fr) * 1982-05-15 1983-11-18 Keyswitch Varley Ltd Relais electromagnetique et son procede d'assemblage
DE3327199A1 (de) * 1983-07-28 1985-02-14 Marquardt Gmbh, 7201 Rietheim-Weilheim Schaltungsvorrichtung fuer einen elektrischen tastenschalter und verfahren zur herstellung der schaltvorrichtung

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB919418A (en) * 1958-12-03 1963-02-27 Saia Ag Improvements in or relating to electric switch contact arrangements
DE1291833B (de) * 1966-07-19 1969-04-03 Siemens Ag Verfahren zur Herstellung einer Kontaktanordnung, insbesondere fuer Relais
FR2527001A1 (fr) * 1982-05-15 1983-11-18 Keyswitch Varley Ltd Relais electromagnetique et son procede d'assemblage
DE3327199A1 (de) * 1983-07-28 1985-02-14 Marquardt Gmbh, 7201 Rietheim-Weilheim Schaltungsvorrichtung fuer einen elektrischen tastenschalter und verfahren zur herstellung der schaltvorrichtung

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