EP3561830B1 - Dispositif de contact de commutation - Google Patents

Dispositif de contact de commutation Download PDF

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Publication number
EP3561830B1
EP3561830B1 EP19169295.3A EP19169295A EP3561830B1 EP 3561830 B1 EP3561830 B1 EP 3561830B1 EP 19169295 A EP19169295 A EP 19169295A EP 3561830 B1 EP3561830 B1 EP 3561830B1
Authority
EP
European Patent Office
Prior art keywords
contact
switching
carrier
spring
pole
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.)
Active
Application number
EP19169295.3A
Other languages
German (de)
English (en)
Other versions
EP3561830A1 (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 which switches at least between a first switching state and a second switching state.
  • the electromechanical switching group can 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 alignment of an armature of the relay.
  • the individual components of the electromechanical switching group are produced in a plurality of production steps, the assembly of the switching group and / or the production costs of the switching group being able to be proportional to a number of production steps.
  • the pamphlet FR 2 527 001 A1 discloses a relay having a housing containing an electromagnetic assembly.
  • the relay further comprises a trip plate and a plurality of electrically conductive contact carriers, a first number of the contact carriers supplying the electromagnetic arrangement with electrical current and a second number of the contact carriers being part of the circuit elements.
  • the contact carriers have sections which extend beyond a bottom wall of the housing to form an electrical pin connection for the relay.
  • Each of the contact carriers is arranged between a side element and an outer surface of the housing, the side element being attached to the outer surface.
  • the pamphlet DE 12 91 833 B discloses a method for producing a contact arrangement for a relay, characterized in that a prefabricated insulating plate provided with openings and bores is fastened to a metallic carrier held in a band by webs and that on the insulating plate in each case by means of strips until the end of the assembly contiguous contact springs arranged in pairs are supported.
  • the pamphlet DE 33 27 199 A1 discloses a switching device consisting of an insulating part and at least one fixed contact part and contact arm part each held thereon, the fixed contact part and the contact arm part for fastening openings Have connection with the insulating part.
  • the material of the insulating part protruding beyond the fastening opening can be compressed, so that a thickened head is created that is comparable to a rivet head.
  • the pamphlet GB 919 418 A discloses switch contacts having a movable spring carrying a pair of contacts disposed on opposite sides of the spring and cooperating with fixed contacts.
  • the spring is actuated by a snap spring which has slotted parts through which the spring extends.
  • the slot can be sloped or the spring is tilted where it passes through the slot.
  • the arrangement can be rotated about its longitudinal axis when the contacts engage, so that a wiping effect occurs.
  • the spring can be partially narrowed and provided with cooling tabs.
  • a switching contact arrangement which comprises a first contact carrier, a second contact carrier and a contact spring, the first contact carrier being arranged below the contact spring and the second contact carrier being arranged above the contact spring.
  • the contact spring is designed to establish an electrical connection to a first contact pole with the first contact carrier and to establish an electrical connection to a second contact pole with the second contact carrier, the first contact pole being arranged laterally offset from the second contact pole and contact plug for electrical connection with 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, the first contact pole being arranged in a first switching plane and the first contact plug being formed in one piece with the first contact carrier and the first contact carrier being connected to an electrical one via the first contact plug 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 applied.
  • the switching contact arrangement comprises a contact spring which has a third contact carrier and a third contact plug, the contact spring being arranged between the first switching level and the second switching level, and wherein the third contact carrier can be acted upon by a third electrical signal via the third contact plug, and wherein the contact spring has a third contact pole facing the first contact pole and a fourth contact pole facing the second contact pole, and wherein the third contact pole is arranged laterally offset next to the fourth contact pole.
  • the switching contact arrangement can in particular be suitable for being used in a relay with a reduced overall width of 3 mm.
  • the switch contact arrangement for use in a 3 mm relay can advantageously be produced in a more cost-effective manner than a switch contact arrangement for use in a 5 mm relay.
  • assembly 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 area which realizes a connection between the first switching level and the second switching level.
  • a number of bending processes, which may be necessary for producing the switch contact arrangement can advantageously be reduced.
  • planar semi-finished products can advantageously be used, which are formed into the switch contact arrangement in particular by punching, riveting and bending. Due to the planar shape of the contact carriers and of the contact spring, the switching arrangement can be produced by means of a combined stamping and bending process step and a riveting process step.
  • the contact spring comprises a spring element which is designed to generate a restoring force when the contact spring is deflected from a rest position, which restoring force drives the contact spring back into the rest position.
  • the third contact carrier can be resiliently mounted on the second contact carrier or on the first contact carrier, the second contact pole resting on the fourth contact pole or the first contact pole resting on the third contact pole. Furthermore, in a rest position of the contact spring, the first contact pole can be spaced apart from the third contact pole and the second contact pole can be spaced apart from the fourth contact pole.
  • the switching contact arrangement can accordingly have three switching states. In a first switching state, the three contact carriers can be electrically isolated from one another, in a second switching state the first contact carrier and the third contact carrier can be electrically connected to one another and / or in a third switching state the second contact carrier and the third contact carrier can be electrically connected to one another.
  • the third contact carrier is preferably 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 contact poles previously lying on top of one another and the respective other contact pole pair is electrically connected to one another.
  • first contact carrier and the second contact carrier are formed from a first sheet metal piece and the contact spring is formed from a second sheet metal piece.
  • the switching contact arrangement When viewed along a surface normal of the first switching plane and / or the second switching plane, 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 area of the contact poles.
  • the first contact carrier and the second contact carrier which do not have any overlapping surfaces, can be produced from the same piece of sheet metal blank.
  • the contact spring with the third contact carrier can be made from a further piece of sheet metal blank and can be pushed in parallel to the first Switching level and / or the second switching level can be arranged between the first contact carrier and the second contact carrier.
  • the first contact plug, the second contact plug and the third contact plug are formed from the first sheet metal piece.
  • the contact plugs and the first contact carrier and the second contact carrier can be made from the same sheet metal piece in order to realize an efficient production of the switching contact arrangement with a reduced number of production steps.
  • the first contact plug, the second contact plug and the third contact plug are arranged in the first switching level. This achieves the advantage that the contact plugs can be arranged in a row which is arranged perpendicular to an overall width of a relay, so that the contact plugs can be arranged within the overall 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 to fix it mechanically.
  • the contact spring can be assembled in two parts from two different sheet metal pieces.
  • the third contact plug and the third contact carrier can each be produced from separate sheet metal pieces, in particular punched and bent, in order to then be joined together at the contact point.
  • the third contact carrier can in particular be riveted, pressed, welded and / or soldered to the third contact carrier.
  • the third contact carrier can be connected to the third contact plug by means of a plug connection.
  • the first contact carrier is L-shaped in the first switching plane and the second contact carrier is angled in order to overcome the distance between the second contact pole in the second switching plane and the second contact plug in the first switching plane.
  • the second contact carrier can in particular be bent in a z-shape and / or at right angles in order to overcome a distance from the second contact plug.
  • the spring element is arranged between the third contact carrier and the third contact plug and is Z-shaped in order to bridge a distance between the first switching plane and the second switching plane.
  • the respective contact poles are riveted and / or welded onto the respective contact carrier. Furthermore, the contact poles can also be soldered onto the contact carriers. In one embodiment, the contact poles can be formed by reshaping the respective contact carrier. The contact poles can in particular have a curved shape. For a riveted connection between a contact pole and a contact carrier, an opening can be provided in the contact carrier. The contact poles can be designed to be more resistant to contact erosion than the contact carriers in order to increase a possible number of switching operations with an electrical load applied between the contact poles.
  • the switching contact arrangement comprises a coupling arm which can be coupled to an armature of a magnet system, the coupling arm being designed to bring about 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 To connect contact spring with one of the contact carriers in an electrically conductive manner.
  • the contact spring can alternately connect the first contact pole to the third contact pole and the second contact pole to the fourth contact pole in an electrically conductive manner.
  • the coupling arm can in particular be formed in one piece with the contact spring. Furthermore, the coupling arm and / or a further coupling arm can be formed laterally next to the third contact pole and / or the fourth contact pole, the armature acting simultaneously on the coupling arms to prevent 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 area which is designed to receive a lever arm of the magnet system at least partially in a form-fitting manner.
  • the form fit between the lever arm and the coupling arm can be implemented, for example, by engaging a cylindrical projection of the lever arm which engages in an opening in the coupling arm.
  • a latching connector in the form of a latching lug and / or a latching recess, into which the coupling arm engages or latches, can also be formed on the outer surface of the cylindrical projection.
  • connection between the coupling arm and the lever arm can in particular be designed without play in order to convert a translation of the lever arm into a translation of the coupling arm and corresponding to the contact spring with as little loss as possible.
  • the coupling arm can be moved both in the direction of the first switching level and in the opposite direction in the direction of the second switching level.
  • the contact spring is electrically isolated from the first contact carrier and / or the second contact carrier in the rest position.
  • a contact pole pair for example the second contact pole and the fourth contact pole, are electrically separated and a further contact pole pair; for example, 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 firmly connected to the relay housing.
  • a part of the contact spring which comprises, for example, the connection point and the third contact plug, can be firmly anchored in the relay housing by means of a mechanical connection between the openings and the pins of the relay housing.
  • the spring element and the third contact carrier can 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, can 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 to the edges of the contact carrier by means of clamping connections and / or by means of material connections, in particular adhesive connections, in the relay housing.
  • the switching contact arrangement comprises a first offset section which is arranged on the first contact plug and is designed to offset the first contact plug 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 can be arranged at a predetermined position of the relay width.
  • the first contact plug can be arranged in the first switching level, in the second switching level or in the middle between the first switching level and the second switching level.
  • any predetermined position of the first contact carrier can be realized.
  • 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 also be arranged in a predetermined position via a respective offset section.
  • the first contact plug, the second contact plug and the third contact plug are advantageously arranged in one plane.
  • the contact plugs are each arranged offset to one another.
  • the switching contact arrangement comprises a second offset section and a third offset section.
  • the third offset section is arranged laterally offset on the contact spring, and / or the second contact plug is arranged with a lateral offset on the second offset section.
  • the offset sections are designed to dispose the respective contact plug along a surface normal of the first switching plane offset by a predetermined distance from the first switching plane.
  • the installation space available in the longitudinal direction of the contact spring can advantageously be used for fastening the contact spring and / or for forming the spring element.
  • the installation space available in the longitudinal direction of the contact spring is not reduced by the offset section.
  • the third offset section can be arranged offset transversely to the longitudinal direction of the contact spring in an efficient manner in order to efficiently use installation space which is given by the minimum distance between the contact plugs.
  • the disclosure relates to a method for producing a switching contact arrangement for a relay, with punching of the first contact carrier and 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, the second contact pole being arranged on the contact section; Punching the contact spring in a contact spring strip; Attaching the third contact pole and the fourth contact pole to a third contact carrier of the contact spring; Bending the contact spring in order to form the spring element, the third contact carrier, on which the third contact pole and the fourth contact pole are arranged, being at a smaller distance from the second switching plane than the third contact plug from the second switching plane; Connecting the contact carrier strip to the contact spring strip at the connection point of the third contact plug; Separating the contact spring from the contact spring strip; and separating the contact plugs from the contact carrier tape.
  • the advantage can be achieved that the switching contact arrangement can be inserted into the relay housing in one assembly step. Furthermore, in a single further assembly step, the magnet system with the lever arm can be inserted into the relay housing and connected to the switch contact arrangement, so that the number of manufacturing steps for producing a relay with the switch contact arrangement can advantageously be reduced.
  • the magnet system can be inserted into the relay housing without further setting and / or adjustment steps.
  • the magnet system can also be held in the relay housing with pins of the relay housing.
  • the contact spring strip can be arranged in a plane perpendicular to the contact carrier strip in order to arrange the contact carriers and the contact spring interlaced within one another by a translation of the contact carrier strip and / or the contact spring strip.
  • the second contact carrier can in particular be an NC fixed contact carrier which is bent in a z-stepped manner.
  • the second contact pole can rest on the fourth contact pole.
  • the method can be carried out by means of a stamping and bending machine in order to implement joint processing of the contact carrier strip with the contact spring strip.
  • the contact spring can be formed from the contact spring strip and the spring element can be formed in one piece in the contact spring by bending and punching that can be carried out in one process step by means of the stamping and bending machine
  • the spring contact strip is wound onto a reel after the contact spring has been punched in the spring contact strip in order to produce the switching contact arrangement in an assembly of a production line.
  • the contact carrier tape is wound onto a further reel.
  • Fig. 1 shows a schematic perspective illustration 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, the first contact pole 103-1 being arranged in a first switching plane 105-1 and the first contact plug 111-1 is formed in one piece with the first contact carrier 101-1 and wherein the first contact carrier 101-1 can be acted upon by a first electrical signal via the first contact plug 111-1.
  • 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, the second contact pole 103-2 being 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 by a second electrical signal via the second contact plug 111-2
  • 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 contact spring 107 being arranged between the first switching level 105-1 and the second switching level 105-2, and the third Contact carrier 101-3 over the third Contact plug 111-3 can be acted upon with 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 to the third contact plug 111-3 and to fix it mechanically.
  • 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 when the contact spring 107 is deflected from a rest position, which restoring force 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 is shaped like a Z in order to bridge a distance between the first switching plane 105-1 and the second switching plane 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 plane 105-2 and the second contact plug 111-2 in the first switching level 105-1 to be overcome.
  • first contact carrier 101-1, the second contact carrier 101-2 and / or the third contact carrier 101-3 have openings 121-1, 121-2, 121-3, 121-4, 121-5 for receiving pins of a relay housing 123 in order to fix the switching 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 onto the respective contact carrier 101-1, 101-2, 101-3.
  • recesses are provided at the respective connection point between the contact poles 103-1, 103-2, 103-3. 103-4 and the contact carriers 101-1, 101-2, 101-3 recesses are provided in order to be able to efficiently produce a rivet connection, solder connection and / or weld connection.
  • the switching 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 receive a lever arm 507 of the magnet system 503 at least partially in a form-fitting manner.
  • the contact spring 107 is electrically isolated from the first contact carrier 101-1 in the rest position.
  • the second contact carrier 101-2 has an offset section 117 which is arranged between the contact section 125 and the second contact plug 111-2.
  • the contact section 125 is designed to receive the second contact pole 103-2.
  • the offset section 117 is designed to implement a parallel offset of the contact section 125 with respect to the second contact plug 111-2 by means of two curved sections, so that the contact section 125 is arranged in the second switching plane 105-2 and the second contact plug 111-2 in the first switching plane 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 partial method 200 comprises punching 203 the first contact carrier 101-1 and the second contact carrier 101-2 in a sheet metal piece 201 and fastening 205 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.
  • the method 200 further comprises bending 207 a contact section 125 of the second contact carrier 101-2 into the second switching plane 105-2, the second contact pole 103-2 being arranged on the contact section 125.
  • the bending 207 takes place in particular at the offset section 117. By bending 207, the second contact pole 103-2 can be aligned in a line with the first contact pole 103-1 and the third contact carrier 111-3.
  • a mounting point 203-1, 203-2 is formed, which is designed to receive the respective contact pole 103-1, 103-2.
  • the assembly points 203-1, 203-2 can in particular be 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 bulge out of the plane of the drawing in accordance with the top view shown.
  • FIG. 10 shows a schematic perspective illustration of the method sub-method 200 of the method for producing a switching contact arrangement 100 according to FIG Figure 2A embodiment shown.
  • the respective contact pole 103-1, 103-2 can be riveted onto the respective contact carrier 103-1, 103-2, wherein 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.
  • Figure 3A shows a schematic representation of a partial method 300 of the method for producing a switching contact arrangement 100 for a relay.
  • the sub-method 300 includes punching 305 the contact spring 107 in a second sheet metal piece 301 and fastening 307 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.
  • the sub-method 300 also includes bending 309 of the contact spring 107 to form the spring element 109.
  • the contact spring 107 has a first assembly point 303-1 and a second assembly point 303-2, the first assembly point 303-1 being designed to accommodate the third contact pole 103-3 and the second assembly point 303-2 being designed to be the fourth contact pole 103-4.
  • the third contact pole 103-3 can be arranged on an underside of the contact spring 107 in accordance with the top view shown, and the fourth contact pole 103-4 can be arranged correspondingly on an upper side of the contact spring 107.
  • a further coupling arm 323 can also be formed on the contact spring 107, which is formed symmetrically to the coupling arm 115 in relation to a longitudinal axis of the contact spring 107.
  • the contact spring 107 is still connected to the second sheet metal piece 301 by retaining struts 313-1, 313-2, 313-3.
  • the retaining struts 313-1, 313-2 can be removed parallel to the shaping of the spring element 109.
  • the retaining strut 313-3 can be removed together with a partial remnant piece 317 of the second sheet metal piece 301, which encloses the contact spring 107.
  • the removal 315 of the partial remnant and the retaining strut 313-3 can be carried out as a separate method step or can be implemented parallel to the shaping of the spring element 109 by bending 309 of the contact spring 107.
  • the contact spring 107 can finally remain connected to the second sheet metal piece 301 by a further retaining strut 313-4.
  • FIG. 11 shows a schematic side view of the sub-method 300 according to FIG Figure 3A embodiment shown.
  • the third contact carrier 101-3 on which the third contact pole 103-3 and the fourth contact pole 103-4 are arranged, is at a smaller distance from the second switching plane 105-2 than a connecting section 311 is from the second switching plane 105-2.
  • the spring element 109 is bent in a Z-shape and connects the third contact carrier 101-3 to the connecting section 311.
  • the connecting section 311 is designed to be connected to the third contact plug, in particular to be riveted.
  • FIG. 11 shows a schematic top view of the sub-method 300 according to FIG Figure 3A embodiment shown.
  • the individual method steps can be implemented step by step on an in particular continuous contact spring strip 321.
  • the contact spring 107 can then remain connected to the contact spring strip 321 by a further retaining strut 313-4 in order to wind the contact spring strip 321 onto a reel after the contact spring 107 has been formed.
  • Figure 4A shows a schematic representation of a method 400 for producing a switching contact arrangement 100 for a relay.
  • the method 400 comprises the sub-method 200 according to FIG Figure 2A embodiment shown and the further sub-method 300 according to the in Figure 3C embodiment shown.
  • the individual method steps of sub-method 200 can be implemented step-by-step on an in particular continuous contact carrier strip 401.
  • the contact plugs 111-1, 111-2, 111-3 can remain cohesively connected to the contact carrier strip 401 in order, after the contact carrier 101-1, 101-2 and the contact plugs 111-1, 111-2, 111-3 have been formed Wind up the contact carrier tape 401 on another reel.
  • the method 400 further includes connecting 403 the contact carrier strip 401 to the contact spring strip 321 at the connection points 113-1, 113-2 of the third contact plug 111-3, separating 405 the contact spring 107 from the contact spring strip 321 and further separating 407 the contact plug 111 -1, 111-2, 111-3 from the contact carrier strip 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 can be shaped triangular and / or tapered to a point in order, for example, to each form a contact tip.
  • the method 400 can include an insertion 409 of the switching contact arrangement 100 into the relay housing 123, wherein the switching contact arrangement 100 can be held in the relay housing 123 by means of a latching connection.
  • the contact carrier strip 401 can in particular be brought together at a right angle with the contact spring strip 321.
  • the contact spring 107 can be separated from the contact spring strip 321 and at the same time connected to the third contact plug 111-3 at the connection points 113-1, 113-2.
  • the contact spring 107 can be carried along with the contact carrier strip 401 via the connection points 113-1, 113-2.
  • the switch contact arrangement 100 With the subsequent separation 407 of the contact plugs 111-1, 111-2, 111-3 from the contact carrier strip 401, the switch contact arrangement 100 can be separated from the contact carrier strip 401 in order to then insert the switch contact arrangement 100 into the relay housing 123. Accordingly, a plurality of switching contact arrangements 100 can be produced from a continuous contact carrier strip 401 and a continuous contact spring strip 321.
  • FIG. 4 shows a schematic side view of the method 400 according to FIG Figure 4A embodiment shown.
  • the contact carrier strip 401 and the spring contact strip 321 are offset from the relay housing 123.
  • Fig. 5 shows a schematic perspective view of a method 500 for producing a relay 509.
  • the 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 the switching contact arrangement 100 has been inserted into the relay housing 123.
  • the magnet system comprises an armature 501, which is designed 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 connected to one of the coupling arms 115, 323 in a form-fitting and / or material-fitting manner.
  • 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 designed, with a force acting on the coupling arm 115 by means of the armature 501, to bring about a translation of the contact spring 107 perpendicular to a longitudinal axis 505 of the armature 501 in order to effect the contact spring 107 with one of the contact carriers 101-1, 101-2 To connect 101-3 in an electrically conductive manner.
  • Fig. 6 shows a schematic perspective view of a method 600 for producing a switching contact arrangement 100 and for arranging the switching 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 shown in FIG Figure 4A embodiment shown.
  • the method 600 further comprises the method 500 for producing a relay 509 according to the method shown in FIG Fig. 5 embodiment shown.
  • the method 600 further includes 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 within 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 section 311 and a third contact carrier 101-3 with a spring element 109.
  • the third contact carrier 101-3 has a rectangular area with rounded corners which tapers, in particular trapezoidally, in the direction of the spring element 109.
  • the contact spring 107 also has an opening 701 which is arranged above a partially circular recess 703 in a corner of the contact carrier 101-3.
  • the opening 701 can in particular be a circular hole or a punched opening.
  • the partially circular recess 703 can be formed, for example, by an opening running along a circumferential section of a circle, in particular a punching opening.
  • the third contact pole 103-3 can be at least partially bordered by the partially circular recess 703.
  • the contact spring 107 has a section 705 of reduced width, which can in particular be formed by symmetrical, opposite and / or trapezoidal recesses.
  • Fig. 8 shows a schematic perspective illustration 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 arranged in the first switching plane 105-1 and the first contact plug 111-1 is formed in one piece 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, the second contact pole 103-2 being arranged in the second switching plane 105-2, which is parallel spaced 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 comprises a spring element 109 which is designed to generate a restoring force when the contact spring 107 is deflected from a rest position, which force 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 is shaped like a Z in order to bridge a distance between the first switching plane 105-1 and the second switching plane 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 in order to overcome the distance between the second contact pole 103-2 in the second switching plane 105-2 and the second contact plug 111-2 in the first switching plane 105-1.
  • the switching contact arrangement 100 further comprises a coupling arm 115 and a lever arm 507, the coupling arm 115 being formed in one piece with the third contact carrier 101-3 or the contact spring 107.
  • the coupling arm can be coupled to an armature 501 of a magnet system 503 via the lever arm 507.
  • the coupling arm 115 is arranged laterally next to the third contact carrier 101-3 and has a coupling area 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 connected to one of the coupling arms 115, 323 in a form-fitting and / or material-fitting manner. 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 designed, with a force acting on the coupling arm 115 by means of the armature 501, to bring about a translation of the contact spring 107 perpendicular to a longitudinal axis 505 of the armature 501 in order to effect the contact spring 107 with one of the contact carriers 101-1, 101-2 To connect 101-3 in an electrically conductive manner.
  • the second contact carrier 101-2 has an offset section 117 which is arranged between the contact section 125 and the second contact plug 111-2.
  • the contact section 125 is designed to receive the second contact pole 103-2.
  • the offset section 117 is designed to implement a parallel offset of the contact section 125 with respect to the second contact plug 111-2 by means of two curved sections, so that the contact section 125 is in the second switching plane 105-2 and the second contact plug 111-2 is at least partially in the first switching plane 105 -1 is arranged.
  • the first contact plug 111-1 has a first offset section 801-1
  • the second contact plug 111-2 has a first offset section 801-2
  • / or the third contact plug 111-3 has a third offset section 801-3.
  • the respective offset sections 801-1, 801-2, 801-3 are designed to connect the respective contact plug 111-1, 111-2, 111-3 to the respective contact carrier 101-1, 101-2, 101-3 and a 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 can be fastened to the relay housing 123 with a respective section which is arranged in the first switching level 105-1, the offset sections 801-1, 801-2, 801-3 are designed to arrange the respective contact plug 111-1, 111-2, 111-3 at a distance from the first switching level 105-1, in particular in the second switching level 105-2.
  • the offset sections 801-1, 801-2, 801-3 form bends for the contact plugs 111-1, 111-2, 111-3. Furthermore, 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 strip which can be wound in particular 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 can be formed from a contact carrier strip which can in particular 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)

Claims (18)

  1. Ensemble de contacts de commutation (100) pour un relais, comprenant :
    un premier support de contact (101-1) qui comprend une première fiche de contact (111-1) et un premier pôle de contact (103-1), le pôle de contact (103-1) étant disposé dans un premier plan de commutation (105-1), et la première fiche de contact (111-1) étant formée d'un seul tenant avec le premier support de contact (101-1), et un premier signal électrique pouvant être appliqué au premier support de contact (101-1) par l'intermédiaire de la première fiche de contact (111-1) ;
    un deuxième support de contact (101-2) qui comprend une deuxième fiche de contact (111-2) et un deuxième pôle de contact (103-2), le deuxième pôle de contact (103-2) étant disposé dans un deuxième plan de commutation (105-2) qui est disposé en parallèle à distance du premier plan de commutation (105-1), et un deuxième signal électrique pouvant être appliqué au deuxième support de contact (101-2) par l'intermédiaire de la deuxième fiche de contact (111-2) ;
    un ressort de contact (107) qui présente un troisième support de contact (101-3) et une troisième fiche de contact (111-3), le ressort de contact (107) étant disposé entre le premier plan de commutation (105-1) et le deuxième plan de commutation (105-2), et un troisième signal électrique pouvant être appliqué au troisième support de contact (101-3) par l'intermédiaire de la troisième fiche de contact (111-3), et
    le ressort de contact (107) présentant un troisième pôle de contact (103-3) qui est tourné vers le premier pôle de contact (103-1) et un quatrième pôle de contact (103-4) qui est tourné vers le deuxième pôle de contact (103-2), et le troisième pôle de contact (103-3) étant disposé de manière latéralement décalée à côté du quatrième pôle de contact (103-4),
    caractérisé en ce que la première fiche de contact (111-1), la deuxième fiche de contact (111-2) et la troisième fiche de contact (111-3) sont disposées dans le premier plan de commutation (105-1).
  2. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel le ressort de contact (107) comprend un élément de ressort (109) qui est réalisé pour produire, en cas de déviation du ressort de contact (107) par rapport à une position de repos, une force de rappel qui repousse le ressort de contact (107) vers la position de repos.
  3. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel le premier support de contact (101-1) et le deuxième support de contact (101-2) sont formés à partir d'une première pièce de platine de tôle (201), et le ressort de contact (107) est formé à partir d'une deuxième pièce de platine de tôle (301).
  4. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel la première fiche de contact (111-1), la deuxième fiche de contact (111-2) et la troisième fiche de contact (111-3) sont formées à partir de la première pièce de platine de tôle (201).
  5. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel la troisième fiche de contact (111-3) présente au moins une jonction (113-1) qui est réalisée pour relier électriquement et fixer mécaniquement le troisième support de contact (101-3) à la troisième fiche de contact (111-3).
  6. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel le premier support de contact (101-1) est réalisé en forme de L dans le premier plan de commutation (105-1), et le deuxième support de contact (101-2) est réalisé en formant un angle pour franchir la distance entre le deuxième pôle de contact (103-2) dans le deuxième plan de commutation (105-2) et la deuxième fiche de contact (111-2) dans le premier plan de commutation (105-1).
  7. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel l'élément de ressort (109) est disposé entre le troisième support de contact (101-3) et la troisième fiche de contact (111-3) et est formé en forme de Z pour franchir une distance entre le premier plan de commutation (105-1) et le deuxième plan de commutation (105-2).
  8. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel les pôles de contact (103-1, 103-2, 103-3, 103-4) respectifs sont rivetés et/ou soudés sur le support de contact (101-1, 101-2, 101-3) respectif.
  9. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, comprenant un bras d'accouplement (115) qui peut être accouplé à un induit (501) d'un système magnétique (503), le bras d'accouplement (115) étant réalisé pour provoquer par une force agissant au moyen de l'induit (501) sur le bras d'accouplement (115) une translation du ressort de contact (107) perpendiculairement à un axe longitudinal (505) de l'induit (501) afin de relier de manière électriquement conductrice le ressort de contact (107) à l'un des supports de contact (101-1, 101-2, 101-3).
  10. Ensemble de contacts de commutation (100) selon la revendication 9, dans lequel le bras d'accouplement (115) est disposé latéralement à côté du troisième support de contact (101-3) et présente une zone d'accouplement (119) qui est réalisée pour recevoir au moins partiellement par complémentarité de forme un bras de levier (507) du système magnétique (503).
  11. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel le ressort de contact (107), dans la position de repos, est électriquement isolé par rapport au premier support de contact (101-1) et/ou au deuxième support de contact (101-2).
  12. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, dans lequel le premier support de contact (101-1), le deuxième support de contact (101-2) et/ou le troisième support de contact (101-3) présentent des ouvertures (121-1, 121-2, 121-3, 121-4, 121-5) pour recevoir des goupilles d'un boîtier de relais (123) afin de fixer l'ensemble de contacts de commutation (100) dans un boîtier de relais (123) .
  13. Ensemble de contacts de commutation (100) selon l'une quelconque des revendications précédentes, comprenant une première partie de décalage (801-1) qui est disposée sur la première fiche de contact (111-1) et réalisée pour disposer la première fiche de contact (111-1) le long d'une normale à la surface du premier plan de commutation (105-1) de manière décalée d'une distance prédéterminée par rapport au premier plan de commutation (105-1).
  14. Ensemble de contacts de commutation (100) selon la revendication 13, comprenant une deuxième partie de décalage (801-2) et une troisième partie de décalage (801-3), la troisième partie de décalage (801-3) étant disposée de manière latéralement décalée sur le ressort de contact (107), et/ou la deuxième fiche de contact (111-2) étant disposée avec un décalage latéral sur la deuxième partie de décalage (801-2), et/ou les parties de décalage (801-2, 801-3) étant réalisées pour disposer la fiche de contact (111-2, 111-3) respective le long d'une normale à la surface du premier plan de commutation (105-1) de manière décalée d'une distance prédéterminée par rapport au premier plan de commutation (105-1).
  15. Procédé (400) de fabrication d'un ensemble de contacts de commutation (100) pour un relais, comprenant les étapes consistant à :
    estamper (203) le premier support de contact (101-1) et le deuxième support de contact (101-2) dans un feuillard de support de contact (401) ;
    fixer (205) le premier pôle de contact (103-1) sur le premier support de contact (101-1) et le deuxième pôle de contact (103-2) sur le deuxième support de contact (101-2) ;
    cintrer (207) une partie de contact (125) du deuxième support de contacts (101-2) dans le deuxième plan de commutation (105-2), le deuxième pôle de contact (103-2) étant disposé sur la partie de contact (125) ;
    estamper (305) le ressort de contact (107) dans un feuillard de ressort de contact (321) ;
    fixer (307) le troisième pôle de contact (103-3) et le quatrième pôle de contact (103-4) à un troisième support de contact (101-3) du ressort de contact (107) ;
    cintrer (309) le ressort de contact (107) pour former l'élément de ressort (109), le troisième support de contact (101-3), sur lequel sont disposés le troisième pôle de contact (103-3) et le quatrième pôle de contact (103-4), présentant par rapport au deuxième plan de commutation (105-2) une distance inférieure à celle de la troisième fiche de contact (111-3) par rapport au deuxième plan de commutation (105-2) ;
    séparer (405) le ressort de contact (107) du feuillard de ressort de contact (321) ; et
    séparer (407) la fiche de contact (111-1, 111-2, 111-3) du feuillard de support de contact (401) ;
    caractérisé en ce que le procédé comprend le fait de relier (403) le feuillard de support de contact (401) au feuillard de ressort de contact (321) à la jonction (113-1) de la troisième fiche de contact (111-3) de sorte que la première fiche de contact (111-1), la deuxième fiche de contact (111-2) et la troisième fiche de contact (111-3) sont disposées dans le premier plan de commutation (105-1).
  16. Procédé (400) selon la revendication 15, le procédé (400) pouvant être effectué au moyen d'une presse automatique à estamper et cintrer pour réaliser un traitement commun du feuillard de support de contact (401) avec le feuillard de ressort de contact (321).
  17. Procédé (400) selon l'une quelconque des revendications 15 ou 16, dans lequel le feuillard de ressort de contact (321) est enroulé sur une enrouleuse après l'estampage du ressort de contact (107) dans le feuillard de ressort de contact (321) afin de fabriquer l'ensemble de contacts de commutation (100) dans un sousensemble d'un feuillard de production.
  18. Procédé (400) selon l'une quelconque des revendications 15 à 17, dans lequel le feuillard de support de contact (401) est enroulé sur une autre enrouleuse après l'estampage du premier support de contact (101-1), du deuxième support de contact (101-2) et du troisième support de contact (101-3) dans le feuillard de support de contact (401).
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 EP3561830A1 (fr) 2019-10-30
EP3561830B1 true EP3561830B1 (fr) 2021-10-13

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Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL244807A (fr) * 1958-12-03
DE1291833B (de) * 1966-07-19 1969-04-03 Siemens Ag Verfahren zur Herstellung einer Kontaktanordnung, insbesondere fuer Relais
GB2121605A (en) * 1982-05-15 1983-12-21 Keyswitch Varley Ltd Improvements in or relating to electric relays
DE3327199C2 (de) * 1983-07-28 1986-05-07 Marquardt Gmbh, 7201 Rietheim-Weilheim Verfahren zur Herstellung einer Schaltvorrichtung

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