EP2937882A1 - Switch, in particular circuit breaker - Google Patents

Switch, in particular circuit breaker Download PDF

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Publication number
EP2937882A1
EP2937882A1 EP14165718.9A EP14165718A EP2937882A1 EP 2937882 A1 EP2937882 A1 EP 2937882A1 EP 14165718 A EP14165718 A EP 14165718A EP 2937882 A1 EP2937882 A1 EP 2937882A1
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EP
European Patent Office
Prior art keywords
movable contact
flat
switch
elements
contact
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
EP14165718.9A
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German (de)
French (fr)
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EP2937882B1 (en
Inventor
Franz Ness
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Siemens AG
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Siemens AG
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Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP14165718.9A priority Critical patent/EP2937882B1/en
Priority to US14/691,619 priority patent/US9824830B2/en
Priority to CN201510271778.0A priority patent/CN105185663B/en
Publication of EP2937882A1 publication Critical patent/EP2937882A1/en
Application granted granted Critical
Publication of EP2937882B1 publication Critical patent/EP2937882B1/en
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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/08—Terminals; Connections
    • 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
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • 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
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/42—Knife-and-clip contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H73/00—Protective overload circuit-breaking switches in which excess current opens the contacts by automatic release of mechanical energy stored by previous operation of a hand reset mechanism
    • H01H73/02—Details
    • H01H73/04—Contacts
    • 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
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/10—Adaptation for built-in fuses
    • H01H9/106—Adaptation for built-in fuses fuse and switch being connected in parallel

Definitions

  • the invention relates to a switch, in particular a switch-disconnector, according to the preamble of claim 1.
  • Switches in the form of Lastrennschaltern are modular today and consist of Polkassetten, which are usually composed of two plastic shells. Connection elements are connected to each other when closing the switch via a switching contact having a fixed and a movable formed from current-carrying copper parts contact element with a flat contact surface, wherein the movable contact element pivots in the course of closing from an open position to a closed position.
  • connection elements are clamped in provided between the plastic shells grooves.
  • the object of the invention is to reduce position inaccuracies of the components to each other, without using components with lower tolerances.
  • connection elements and the movable contact element each have a flat flat side and all flat sides lie in a common plane, wherein the connection elements are arranged on one side of the common plane and the movably mounted contact element on the other side a partial surface of the flat side of the one connection element forms the fixed contact surface, that a partial surface of the flat side of the other connection element forms a planar bearing surface, and that the movable contact element with its flat side is movable against the bearing surface and that a partial surface of its flat side forms the movable contact surface. All important surfaces of the components (connecting elements, contact elements, support elements) are thus placed in a common plane. This results in a greater positional accuracy of the connection and contact elements and thus the current-carrying copper parts to each other.
  • the movable contact element is formed from a flat body, at one end of which movable contact surface is arranged and abuts the bearing surface at the other end.
  • the movable contact element is designed in the form of a pivot lever and pivotally mounted.
  • the switch has a housing shell and the support elements are integrally formed on the housing wall and the connection elements and the movable contact element are arranged in the housing shell.
  • connection elements are plate-shaped and have the same thickness.
  • the current load can be increased if the two connection elements on both sides facing away from each other flat sides which extend parallel to each other, that the movable contact element another movable contact element with a flat side opposite, the two movable contact elements synchronously pivot and their flat sides facing each other and accordingly the thickness of the connection elements are spaced apart from each other, so that they form a slot which receives the connection element when closing the switch contact, wherein the movable contact surfaces of the two contact elements contact on both sides with fixed contact surfaces of the connection element.
  • the two flat sides of the two movable contact elements are then in each case in a common plane with the corresponding flat sides of the two connection elements, wherein the two common planes are spaced apart from each other according to the thickness of the connection elements.
  • connection elements are each formed in one piece from a flat material with the appropriate thickness by bending.
  • All live parts including the contact and connection elements are thus fastened in a single shell, e.g. by screwing, not by plugging and clamping in grooves that run through both shell walls.
  • the attachment of the flat sides of the contact and connection elements takes place in a common plane, resulting in minimum position inaccuracies of the current-carrying parts to one another.
  • These can be more flexibly adapted to the rated current, i. the rated current determines the thickness of the contact and connection elements and their thickness needs only to be as large as absolutely necessary.
  • the current-carrying parts are thus also within a size (housing size) easily adaptable to the nominal currents.
  • a switch of a size can thus be equipped for 32A simply with 1.5mm thickness of the contact and terminal elements as live parts, for 80A with 2mm and so on. This without the positional accuracy to change and thus deteriorate and without having to change all the other components of the switch in particular with regard to tolerances, which allows a very flexible switch kit.
  • the housing shell can be tolerated less accurate because it is no longer overdetermined by the connection of the copper parts. Furthermore, the assembly is facilitated because overdeterminations are no longer available.
  • Fig. 1 shows a switch 1 in the form of a circuit breaker having a housing 2 as a Polkassette, which is produced for example by injection molding. From the open housing 2 is in Fig. 1 to see only the rear shell 2a (housing shell); the removed front shell is not shown.
  • connection elements 3, 4 with led through the housing 2 to the outside lugs 3a, 4a are integrally made of plate-shaped copper sheet (copper plates) made by bending and are used to connect the switch 1 at corresponding power supply. Further connecting elements 5, 6 also made of plate-shaped copper flat material (copper plates) are located in Fig. 1 each of the two connection elements 3, 5 and 4, 6 via an elongated contact element 7, 8 are electrically connected to each other, which is also made of copper sheet and in the manner of a pivot lever each about an axis 7a and a Axis 8a is pivotable. Next connects a fuse 9, the overhead connection elements 5, 6 with each other (s. Fig. 5 . 7 ), which are bent at both upper ends to U-shaped fuse holders 11, wherein two contact blades 10 of the fuse 9 are inserted into the fuse holder 11 and clamped.
  • connection elements 3, 5 and the movable contact element 7 form a switching contact 12 and the connection elements 4, 6 and the movable contact element 8 form a switching contact 13, the in Fig. 1 both are closed.
  • Both switch contacts 12, 13 are arranged mirror-symmetrically to each other and constructed the same.
  • quenching plates 14 are arranged to extinguish 12 arcs when opening or closing the switch contact.
  • a switching shaft 15 is centrally located approximately in the middle of Shell 2a and is articulated via connecting rods 16 and axes 17, 19 connected to the movable contact element 7.
  • the connecting elements 3, 5 (including terminal lug 3a) have the same thickness D, ie their two parallel planar flat sides 21, 22, 23, 24 (s. Fig. 4, 5 ) are spaced according to the material thickness D from each other.
  • the pivotally mounted contact element 7 also has in each case a flat flat side 25, which on the opposite flat flat sides 21, 22 (s. Fig. 4, 5 ) of the connection elements 3, 5 is present.
  • connection elements 3, 5 lie on one side of the common plane E and the pivotally mounted contact element 7 on the other side.
  • a partial surface of the flat side 21 of the connecting element 3 forms a flat bearing surface, on which the contact element 7 is pivotally mounted about the axis 7a, wherein it rests with its flat side 25 on this bearing surface.
  • a partial surface of the flat side 25 forms a movable contact surface 27 and a partial surface of the flat side 22 of the connecting element 5 forms a fixed contact surface 28 (in FIG Fig. 1 hidden and therefore shown with dashed lines, s. also Fig. 4, 6 . 8th ).
  • Both contact surfaces 27, 28 are - like the corresponding flat flat sides 22, 25 - facing each other and aligned parallel to each other and lie in Fig. 1 - In which the closed position is shown - to each other.
  • the connecting elements 3, 5 are fastened by means of screws 29, 30 on the half-shell 2a (single-shell screw connection), wherein the flat sides 21, 22 on support surfaces 33, 34 (s. Fig. 3 ) lie, which are just formed here and also in the common level E lie.
  • the support surfaces 33, 34 in the shell 2a as flat surfaces, but instead of support surfaces 33, 34, support points lying in the common plane E (in the shell 2a) could also be used for support.
  • the support surfaces 33, 34 are thus to be understood as an example.
  • Fig. 2 shows the switch 1 after rotation of the switching shaft 15 in the clockwise direction with inwardly pivoted to the switching shaft 15 toward contact element 7.
  • the switch 1 is opened.
  • the contact surfaces 27, 28 overlap - seen transversely to the contact surfaces 27, 28 - decreasing (in the course of closing they overlap correspondingly increasingly), ie the intersection of the contact surfaces 27, 28 decreases during opening.
  • Fig. 3 only the shell 2a (the lower part of the housing 2) is shown, so that one well recognizes the lying in the common plane E support surfaces 33, 34, which are formed on the inside of the housing wall integrally formed support members 35, 36. Tolerancing takes place via the common plane E, which is also the reference plane for the dimensions of the shell 2a.
  • the support elements 35, 36 are in this case manifestations in the plastic shell 2a.
  • contact projections 37, 38 are provided, against which the connection elements 3, 5 rest laterally.
  • Fig. 4 shows only the closed switch contact 12 according to Fig. 1 with the connection elements 3, 5 and the contact element 7.
  • Fig. 5 is the switching contact 12 according to Fig. 4 to be seen from behind.
  • Fig. 6 shows the switching contact 12 according to Fig. 4 in addition also from the side.
  • Fig. 6 for better understanding the support elements 35, 36 with the support surfaces 33, 34 very schematically (and therefore dashed) drawn with.
  • FIGS. 7 and 8 show the closed switch contact 12 according to Fig. 1 with the connection elements 3, 5 and a further contact element 39, which is arranged parallel to the contact element 7, has a flat side 40 and a contact surface 41 and moves synchronously with the movable contact element 7.
  • the contact surface 41 is opposite to a contact element 5 formed on the contact surface 42, which is a partial surface of the flat side 24.
  • the flat sides 25, 40 of the two identically formed movable contact elements 7, 39 are according to the thickness D of the connection elements 3, 5 spaced from each other and face each other, forming a slot, the plate-shaped connection element 5 when closing the switch contact 12 with a positive fit sliding contact surfaces 27, 28 and 41, 42 (not yet introduced) receives.
  • the flat sides 23, 24, 40 of the connection elements 3, 5 and the contact element 39 lie in a common, the plane F, which runs parallel to the common plane E with the distance of the thickness D.
  • a center plane M lying centrally between the planes E and F forms the plane of symmetry of the switching contact 12 in this embodiment with two contact elements 7, 39.
  • the common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 need not necessarily be in a common plane.
  • the common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 may differ in their position, for example, be moved parallel to each other.
  • the common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 lie in a common plane E. The same applies in this exemplary embodiment also for the planes M and F.
  • connection elements 3, 4, 5, 6 including terminal lugs 3a, 4a
  • contact elements 7, 8 the axes 17, 18, 19, 20, 12, the flat sides 25, 26, the screws 29, 30, 31, 32
  • support surfaces 33, 34, 33a, 34a the support elements 35, 36, 35a, 36a and the abutment projections 37, 38, 37a, 38a.

Landscapes

  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Tumbler Switches (AREA)

Abstract

Die Erfindung betrifft einen Schalter (1), insbesondere Lasttrennschalter, mit Anschlusselementen (3, 5), die über einen Schaltkontakt (12) verbindbar sind, dessen bewegliche Kontaktfläche (27) an einem beweglichen Kontaktelement (7) ausgebildet ist, die in der Schließstellung an der feststehenden Kontaktfläche (27, 28) anliegt. Um einen Aufbau mit besseren Positionsgenauigkeiten zu erzielen, wird vorgeschlagen, dass die beiden Anschlusselemente (3, 5) und das bewegliche Kontaktelement (7) jeweils eine ebene Flachseite (21, 22, 25) aufweisen und alle Flachseiten (21, 22, 25) in einer gemeinsamen Ebene (E) liegen, wobei die Anschlusselemente (3, 5) auf der einen Seite der gemeinsamen Ebene (E) und das bewegliche Kontaktelement (7) auf der anderen Seite angeordnet sind, dass eine Teilfläche der Flachseite (22) des einen Anschlusselements (5) die feststehende Kontaktfläche (28) bildet, dass eine Teilfläche der Flachseite (21) des anderen Anschlusselements (3) eine ebene Lagerfläche bildet, und dass das bewegliche Kontaktelement (7) mit seiner Flachseite (25) beweglich an der Lagerfläche anliegt.The invention relates to a switch (1), in particular switch disconnector, with connecting elements (3, 5) which can be connected via a switching contact (12) whose movable contact surface (27) is formed on a movable contact element (7) in the closed position on the fixed contact surface (27, 28) is present. In order to achieve a structure with better positional accuracies, it is proposed that the two connection elements (3, 5) and the movable contact element (7) each have a flat flat side (21, 22, 25) and all flat sides (21, 22, 25). lie in a common plane (E), wherein the connection elements (3, 5) on one side of the common plane (E) and the movable contact element (7) are arranged on the other side, that a partial surface of the flat side (22) of a connection element (5) forms the fixed contact surface (28), that a partial surface of the flat side (21) of the other connection element (3) forms a flat bearing surface, and that the movable contact element (7) with its flat side (25) movable on the bearing surface is applied.

Description

Die Erfindung betrifft einen Schalter, insbesondere einen Lasttrennschalter, gemäß dem Oberbegriff des Anspruchs 1.The invention relates to a switch, in particular a switch-disconnector, according to the preamble of claim 1.

Schalter in Form von Lastrennschaltern sind heute modular aufgebaut und bestehen aus Polkassetten, die meist aus zwei Kunststoffschalen zusammengesetzt sind. Anschlusselemente werden beim Schließen des Schalters über einen Schaltkontakt miteinander verbunden, der ein feststehendes und ein bewegliches aus stromführenden Kupferteilen gebildetes Kontaktelement mit einer ebenen Kontaktfläche aufweist, wobei das bewegliche Kontaktelement im Verlauf des Schließens aus einer Offenstellung in eine Schließstellung schwenkt.Switches in the form of Lastrennschaltern are modular today and consist of Polkassetten, which are usually composed of two plastic shells. Connection elements are connected to each other when closing the switch via a switching contact having a fixed and a movable formed from current-carrying copper parts contact element with a flat contact surface, wherein the movable contact element pivots in the course of closing from an open position to a closed position.

Die einander zugewandten und parallel zueinander ausgerichteten Kontaktflächen gleiten dabei z.B. aneinander liegend in die Schließstellung. Die Kupferteile der Anschlusselemente werden in zwischen den Kunststoffschalen vorgesehenen Nuten festgeklemmt.The mutually facing and parallel aligned contact surfaces thereby slide e.g. lying against each other in the closed position. The copper parts of the connection elements are clamped in provided between the plastic shells grooves.

Dieser Aufbau führt aufgrund der Bauteiltoleranzen zu einem System mit mehrfachen Überbestimmtheiten, welche zum einen zu Positionsungenauigkeiten der Bauteile zueinander führen, zum anderen die Montage kraftaufwändig gestalten. Dies hat einen negativen Einfluss auf das Öffnungs- und Schließverhalten des Schalters, z.B. ein unsymmetrisches Zünden des Lichtbogens, was dann zu einem starken Verschweißen der Kontaktelemente im Kurzschlussfall führen kann. Außerdem erfordern die in ihren Abmessungen bei einer Schalterbaugröße festgelegten Nuten in den Kunststoffschalen jeweils eine gleiche Dicke der Kupferteile und damit immer die gleiche Menge Kupfer, auch wenn der Schalter für unterschiedliche Nenn-Stromstärken ausgelegt ist, was einen direkten Effekt auf die Herstellkosten hat, da die Kupferkosten einen Großteil der Bauteilkosten ausmacht.Due to the component tolerances, this design leads to a system with multiple overdeterminations, which on the one hand lead to position inaccuracies of the components relative to one another, and on the other hand make the installation expensive in terms of power. This has a negative influence on the opening and closing behavior of the switch, for example, an asymmetrical ignition of the arc, which can then lead to a strong welding of the contact elements in the event of a short circuit. In addition, the specified in their dimensions at a switch size grooves in the plastic shells each require an equal thickness of the copper parts and thus always the same amount of copper, even if the switch is designed for different rated currents, which has a direct effect on the manufacturing costs Copper costs account for a large part of the component costs.

Das Problem der Positionsungenauigkeiten kann durch hochpräzise Geometrien und Abmessungen der Bauteile einschließlich Gehäuseteile gelöst werden, mit dem Nachteil, dass höhere Herstellkosten insbesondere bei für kleine Ströme ausgelegten Schaltern in Kauf genommen werden müssen.The problem of position inaccuracies can be solved by high-precision geometries and dimensions of the components including housing parts, with the disadvantage that higher production costs must be taken into account, especially for designed for small currents switches.

Die Aufgabe der Erfindung ist es, Positionsungenauigkeiten der Bauteile zueinander zu verringern, ohne Bauteile mit geringeren Toleranzen zu verwenden.The object of the invention is to reduce position inaccuracies of the components to each other, without using components with lower tolerances.

Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst; die Unteransprüche stellen vorteilhafte Ausgestaltungen dar.The object is solved by the features of claim 1; the dependent claims represent advantageous embodiments.

Die Lösung sieht vor, dass die beiden Anschlusselemente und das bewegliche Kontaktelement jeweils eine ebene Flachseite aufweisen und alle Flachseiten in einer gemeinsamen Ebene liegen, wobei die Anschlusselemente auf der einen Seite der gemeinsamen Ebene und das beweglich gelagerte Kontaktelement auf der anderen Seite angeordnet sind, dass eine Teilfläche der Flachseite des einen Anschlusselements die feststehende Kontaktfläche bildet, dass eine Teilfläche der Flachseite des anderen Anschlusselements eine ebene Lagerfläche bildet, und dass das bewegliche Kontaktelement mit seiner Flachseite beweglich an der Lagerfläche anliegt und dass eine Teilfläche seiner Flachseite die bewegliche Kontaktfläche bildet. Alle wichtigen Flächen der Bauteile (Anschlusselemente, Kontaktelemente, Stützelemente) werden also in einer gemeinsame Ebene gelegt. Dies ergibt eine größere Positionsgenauigkeit der Anschluss- und Kontaktelemente und damit der stromführenden Kupferteile zueinander.The solution provides that the two connection elements and the movable contact element each have a flat flat side and all flat sides lie in a common plane, wherein the connection elements are arranged on one side of the common plane and the movably mounted contact element on the other side a partial surface of the flat side of the one connection element forms the fixed contact surface, that a partial surface of the flat side of the other connection element forms a planar bearing surface, and that the movable contact element with its flat side is movable against the bearing surface and that a partial surface of its flat side forms the movable contact surface. All important surfaces of the components (connecting elements, contact elements, support elements) are thus placed in a common plane. This results in a greater positional accuracy of the connection and contact elements and thus the current-carrying copper parts to each other.

Technisch einfach ist es, wenn Stützflächen aufweisende Stützelemente auf der Seite des ersten Kontaktelements angeordnet sind und die Flachseiten der Anschlusselemente an den Stützflächen anliegen.It is technically simple when support surfaces having support surfaces are arranged on the side of the first contact element and abut the flat sides of the connection elements on the support surfaces.

Bei einer einfachen Ausführung ist das bewegliche Kontaktelement aus einem Flachkörper gebildet, an dessen einem Ende die bewegliche Kontaktfläche angeordnet ist und an dessen anderem Ende die Lagerfläche anliegt.In a simple embodiment, the movable contact element is formed from a flat body, at one end of which movable contact surface is arranged and abuts the bearing surface at the other end.

Technisch einfach ist es, wenn das bewegliche Kontaktelement in Form eines Schwenkhebels ausgebildet und schwenkbar gelagert ist.It is technically simple when the movable contact element is designed in the form of a pivot lever and pivotally mounted.

Eine technisch einfache Ausführung ergibt sich, wenn der Schalter eine Gehäuseschale aufweist und die Stützelemente innen an der Gehäusewand angeformt und die Anschlusselemente und das bewegliche Kontaktelement in der Gehäuseschale angeordnet sind.A technically simple embodiment results when the switch has a housing shell and the support elements are integrally formed on the housing wall and the connection elements and the movable contact element are arranged in the housing shell.

Die Herstellung vereinfacht sich weiter, wenn die beiden Anschlusselemente plattenförmig ausgebildet sind und die gleiche Dicke aufweisen.The production is further simplified if the two connection elements are plate-shaped and have the same thickness.

Die Strombelastung lässt sich erhöhen, wenn die beiden Anschlusselemente auf beiden Seiten voneinander abgewandte Flachseiten aufweisen, die parallel zueinander verlaufen, dass dem beweglichen Kontaktelement ein weiteres bewegliches Kontaktelement mit einer Flachseite gegenüberliegt, wobei die beiden beweglichen Kontaktelemente synchron verschwenken und deren Flachseiten einander zugewandt und entsprechend der Dicke der Anschlusselemente voneinander beabstandet sind, so dass sie einen Schlitz bilden, der das Anschlusselement beim Schließen des Schaltkontakts aufnimmt, wobei die beweglichen Kontaktflächen der beiden Kontaktelemente beidseitig mit feststehenden Kontaktflächen des Anschlusselements kontaktieren.The current load can be increased if the two connection elements on both sides facing away from each other flat sides which extend parallel to each other, that the movable contact element another movable contact element with a flat side opposite, the two movable contact elements synchronously pivot and their flat sides facing each other and accordingly the thickness of the connection elements are spaced apart from each other, so that they form a slot which receives the connection element when closing the switch contact, wherein the movable contact surfaces of the two contact elements contact on both sides with fixed contact surfaces of the connection element.

Vorteilhafterweise liegen die beiden Flachseiten der beiden beweglichen Kontaktelemente dann mit den entsprechenden Flachseiten der beiden Anschlusselemente jeweils in einer gemeinsamen Ebene, wobei die beiden gemeinsamen Ebenen entsprechend der Dicke der Anschlusselemente voneinander beabstandet sind.Advantageously, the two flat sides of the two movable contact elements are then in each case in a common plane with the corresponding flat sides of the two connection elements, wherein the two common planes are spaced apart from each other according to the thickness of the connection elements.

Geringe Übergangswiderstände erhält man, wenn die beiden Anschlusselemente jeweils einstückig aus einem Flachmaterial mit der entsprechenden Dicke durch Biegen gebildet sind.Low contact resistance is obtained when the two connection elements are each formed in one piece from a flat material with the appropriate thickness by bending.

Alle stromführenden Teile einschließlich der Kontakt- und Anschlusselemente werden also in einer einzigen Schale befestigt, z.B. per Verschraubung, nicht durch Einstecken und Klemmen in Nuten, die durch beide Schalenwände verlaufen. Dabei erfolgt die Befestigung der Flachseiten der Kontakt- und Anschlusselemente in einer gemeinsamen Ebene, wodurch sich minimale Positionsungenauigkeiten der stromführenden Teile zueinander ergeben. Diese können dadurch flexibler an die Nenn-Stromstärke angepasst werden, d.h. der Nenn-Strom bestimmt die Dicke der Kontakt- und Anschlusselemente und deren Dicke braucht jeweils nur so groß sein, wie unbedingt notwendig. Die stromführenden Teile sind damit auch innerhalb einer Baugröße (Gehäusegröße) leicht an die Nenn-Ströme anpassbar. Ein Schalter einer Baugröße kann somit für 32A einfach mit 1,5 mm Dicke der Kontakt- und Anschlusselemente als stromführende Teile ausgerüstet werden, für 80A mit 2 mm und so weiter. Dies ohne die Positionsgenauigkeiten zu verändern und damit zu verschlechtern und ohne alle anderen Bauteile des Schalters insbesondere hinsichtlich der Toleranzen ändern zu müssen, was einen sehr flexiblen Schalter-Baukasten ermöglicht.All live parts including the contact and connection elements are thus fastened in a single shell, e.g. by screwing, not by plugging and clamping in grooves that run through both shell walls. In this case, the attachment of the flat sides of the contact and connection elements takes place in a common plane, resulting in minimum position inaccuracies of the current-carrying parts to one another. These can be more flexibly adapted to the rated current, i. the rated current determines the thickness of the contact and connection elements and their thickness needs only to be as large as absolutely necessary. The current-carrying parts are thus also within a size (housing size) easily adaptable to the nominal currents. A switch of a size can thus be equipped for 32A simply with 1.5mm thickness of the contact and terminal elements as live parts, for 80A with 2mm and so on. This without the positional accuracy to change and thus deteriorate and without having to change all the other components of the switch in particular with regard to tolerances, which allows a very flexible switch kit.

Größere Positionsgenauigkeiten verbessern auch das Schaltverhalten, insbesondere bei Kurzschlüssen (Lichtbogen zündet nicht mehr asymmetrisch). Gleichzeitig verringern sich die Anforderungen an die Bauteiltoleranzen. So kann die Gehäuseschale weniger genau toleriert werden, da sie nicht mehr durch die Verbindung der Kupferteile überbestimmt ist. Weiter wird die Montage erleichtert, da Überbestimmtheiten nicht mehr vorhanden sind.Larger positional accuracies also improve the switching behavior, especially in the case of short circuits (arc no longer ignites asymmetrically). At the same time, the requirements for component tolerances are reduced. Thus, the housing shell can be tolerated less accurate because it is no longer overdetermined by the connection of the copper parts. Furthermore, the assembly is facilitated because overdeterminations are no longer available.

Die Erfindung wird nachfolgend anhand einer Zeichnung näher beschrieben. Es zeigen:

Fig. 1
einen Schalter mit abgenommener vorderer Gehäuseschale und geschlossenen Schaltkontakten,
Fig. 2
den Schalter gemäß Fig. 1 mit geöffneten Schaltkontakten,
Fig. 3
die leere hintere Gehäuseschale des Schalters gemäß Fig. 1 und Fig. 2,
Fig. 4
einen geschlossenen Schaltkontakt gemäß Fig. 1 mit Anschlusselementen und einem Kontaktelement,
Fig. 5
den geschlossenen Schaltkontakt gemäß Fig. 4 von hinten gesehen,
Fig. 6
den geschlossenen Schaltkontakt gemäß Fig. 4 von der Seite gesehen,
Fig. 7
den geschlossenen Schaltkontakt gemäß Fig. 4 mit einem doppelten Kontaktelement und
Fig. 8
den geschlossenen Schaltkontakt gemäß Fig. 7 von der Seite gesehen.
The invention will be described below with reference to a drawing. Show it:
Fig. 1
a switch with removed front housing shell and closed switch contacts,
Fig. 2
the switch according to Fig. 1 with opened switch contacts,
Fig. 3
the empty rear housing shell of the switch according to Fig. 1 and Fig. 2 .
Fig. 4
a closed switch contact according to Fig. 1 with connection elements and a contact element,
Fig. 5
the closed switching contact according to Fig. 4 seen from the back,
Fig. 6
the closed switching contact according to Fig. 4 seen from the side,
Fig. 7
the closed switching contact according to Fig. 4 with a double contact element and
Fig. 8
the closed switching contact according to Fig. 7 seen from the side.

Fig. 1 zeigt einen Schalter 1 in Form eines Lasttrennschalters, der als Gehäuse 2 eine Polkassette aufweist, die z.B. im Spritzgussverfahren hergestellt ist. Von dem offenen Gehäuse 2 ist in Fig. 1 nur die hinten liegende Schale 2a (Gehäuseschale) zu sehen; die abgenommene vordere Schale ist nicht gezeigt. Fig. 1 shows a switch 1 in the form of a circuit breaker having a housing 2 as a Polkassette, which is produced for example by injection molding. From the open housing 2 is in Fig. 1 to see only the rear shell 2a (housing shell); the removed front shell is not shown.

Zwei Anschlusselemente 3, 4 mit durch das Gehäuse 2 nach außen geführte Anschlussfahnen 3a, 4a sind einstückig aus plattenförmigem Kupfer-Flachmaterial (Kupfer-Platten) durch Biegen hergestellt und dienen zum Anschließen des Schalters 1 an entsprechende Stromzuführungen. Weitere ebenfalls aus plattenförmigem Kupfer-Flachmaterial (Kupfer-Platten) hergestellte Anschlusselemente 5, 6 befinden sich in Fig. 1 oberhalb der Anschlusselemente 3, 4. Dabei sind je zwei Anschlusselemente 3, 5 und 4, 6 über ein längliches Kontaktelement 7, 8 elektrisch miteinander verbunden, das ebenfalls aus Kupfer-Flachmaterial hergestellt und nach Art eines Schwenkhebels jeweils um eine Achse 7a bzw. eine Achse 8a schwenkbar ist. Weiter verbindet eine Sicherung 9 die oben liegenden Anschlusselemente 5, 6 miteinander (s. Fig. 5, 7), die an beiden oberen Enden zu u-förmigen Sicherungshaltern 11 gebogen sind, wobei zwei Kontaktmesser 10 der Sicherung 9 in die Sicherungshalter 11 eingesteckt und festgeklemmt sind.Two connection elements 3, 4 with led through the housing 2 to the outside lugs 3a, 4a are integrally made of plate-shaped copper sheet (copper plates) made by bending and are used to connect the switch 1 at corresponding power supply. Further connecting elements 5, 6 also made of plate-shaped copper flat material (copper plates) are located in Fig. 1 each of the two connection elements 3, 5 and 4, 6 via an elongated contact element 7, 8 are electrically connected to each other, which is also made of copper sheet and in the manner of a pivot lever each about an axis 7a and a Axis 8a is pivotable. Next connects a fuse 9, the overhead connection elements 5, 6 with each other (s. Fig. 5 . 7 ), which are bent at both upper ends to U-shaped fuse holders 11, wherein two contact blades 10 of the fuse 9 are inserted into the fuse holder 11 and clamped.

Der Strom fließt bei dem geschlossenen Schalter 1 von links nach rechts, also vom Anschlusselement 3 über das Kontaktelement 7 zum Anschlusselement 5 und von dort über die Sicherung 9 zum Anschlusselement 6 und von dort über das Kontaktelement 8 zum Anschlusselement 4, oder aber umgekehrt von rechts nach links.The current flows in the closed switch 1 from left to right, ie from the connection element 3 via the contact element 7 to the connection element 5 and from there via the fuse 9 to the connection element 6 and from there via the contact element 8 to the connection element 4, or vice versa from the right to the left.

Die Anschlusselemente 3, 5 und das bewegliche Kontaktelement 7 bilden einen Schaltkontakt 12 und die Anschlusselemente 4, 6 und das bewegliche Kontaktelement 8 bilden einen Schaltkontakt 13, die in Fig. 1 beide geschlossen sind. Beide Schaltkontakte 12, 13 sind spiegelsymmetrisch zueinander angeordnet und gleich aufgebaut.The connection elements 3, 5 and the movable contact element 7 form a switching contact 12 and the connection elements 4, 6 and the movable contact element 8 form a switching contact 13, the in Fig. 1 both are closed. Both switch contacts 12, 13 are arranged mirror-symmetrically to each other and constructed the same.

Die Beschreibung erfolgt deshalb nachfolgend im Wesentlichen anhand des in Fig. 1 links angeordneten Schaltkontakts 12; die Ausführungen gelten entsprechend auch für den Schaltkontakt 13. Die einander entsprechenden Bezugszeichen sind am Ende der Beschreibung aufgeführt.The description is therefore below essentially based on the in Fig. 1 left arranged switching contact 12; the explanations also apply accordingly to the switching contact 13. The corresponding reference numerals are listed at the end of the description.

Im Bereich des oberen Endes des Kontaktelements 7 sind Löschbleche 14 angeordnet, um beim Öffnen oder Schließen des Schaltkontakts 12 entstehende Lichtbögen zu löschen. Eine Schaltwelle 15 befindet sich zentral etwa in der Mitte der Schale 2a und ist gelenkig über Verbindungsstangen 16 und Achsen 17, 19 mit dem beweglichen Kontaktelement 7 verbunden.In the region of the upper end of the contact element 7 quenching plates 14 are arranged to extinguish 12 arcs when opening or closing the switch contact. A switching shaft 15 is centrally located approximately in the middle of Shell 2a and is articulated via connecting rods 16 and axes 17, 19 connected to the movable contact element 7.

Die Anschlusselemente 3, 5 (einschließlich Anschlussfahne 3a) weisen die gleiche Dicke D auf, d.h. ihre beiden parallelen ebenen Flachseiten 21, 22, 23, 24 (s. Fig. 4, 5) sind entsprechend der Material-Dicke D voneinander beabstandet.The connecting elements 3, 5 (including terminal lug 3a) have the same thickness D, ie their two parallel planar flat sides 21, 22, 23, 24 (s. Fig. 4, 5 ) are spaced according to the material thickness D from each other.

Das schwenkbar gelagerte Kontaktelement 7 weist ebenfalls jeweils eine ebene Flachseite 25 auf, die an den gegenüberliegenden ebenen Flachseiten 21, 22 (s. Fig. 4, 5) der Anschlusselemente 3, 5 anliegt.The pivotally mounted contact element 7 also has in each case a flat flat side 25, which on the opposite flat flat sides 21, 22 (s. Fig. 4, 5 ) of the connection elements 3, 5 is present.

Die Flachseiten 21, 22, 25 liegen hier in einer gemeinsamen Ebene E (s. Fig. 6, 9), wobei die Anschlusselemente 3, 5 auf der einen Seite der gemeinsamen Ebene E und das schwenkbar gelagerte Kontaktelement 7 auf der anderen Seite liegt.The flat sides 21, 22, 25 are here in a common plane E (s. Fig. 6 , 9), wherein the connection elements 3, 5 lie on one side of the common plane E and the pivotally mounted contact element 7 on the other side.

Eine Teilfläche der Flachseite 21 des Anschlusselements 3 bildet eine ebene Lagerfläche, an der das Kontaktelement 7 schwenkbar um die Achse 7a gelagert ist, wobei es mit seiner Flachseite 25 an dieser Lagerfläche anliegt.A partial surface of the flat side 21 of the connecting element 3 forms a flat bearing surface, on which the contact element 7 is pivotally mounted about the axis 7a, wherein it rests with its flat side 25 on this bearing surface.

Eine Teilfläche der Flachseite 25 bildet eine bewegliche Kontaktfläche 27 und eine Teilfläche der Flachseite 22 des Anschlusselements 5 eine feststehende Kontaktfläche 28 (in Fig. 1 verdeckt und deshalb gestrichelt gezeichnet, s. auch Fig. 4, 6, 8).A partial surface of the flat side 25 forms a movable contact surface 27 and a partial surface of the flat side 22 of the connecting element 5 forms a fixed contact surface 28 (in FIG Fig. 1 hidden and therefore shown with dashed lines, s. also Fig. 4, 6 . 8th ).

Beide Kontaktflächen 27, 28 sind - wie die zugehörigen ebenen Flachseiten 22, 25 - einander zugewandt und parallel zueinander ausgerichtet und liegen in Fig. 1 - in der die Schließstellung gezeigt ist - aneinander an.Both contact surfaces 27, 28 are - like the corresponding flat flat sides 22, 25 - facing each other and aligned parallel to each other and lie in Fig. 1 - In which the closed position is shown - to each other.

Die Anschlusselemente 3, 5 sind mittels Schrauben 29, 30 an der Halbschale 2a befestigt (einschalige Verschraubung), wobei die Flachseiten 21, 22 an Stützflächen 33, 34 (s. Fig. 3) anliegen, die hier eben ausgebildet sind und ebenfalls in der gemeinsamen Ebene E liegen. Grundsätzlich ist es von Vorteil, die Stützflächen 33, 34 in der Schale 2a als ebene Flächen auszubilden, anstelle von Stützflächen 33, 34 könnten aber auch in der gemeinsamen Ebene E (in der Schale 2a) liegende Stützpunkte zum Abstützen verwendet werden. Die Stützflächen 33, 34 sind hier also beispielhaft zu verstehen.The connecting elements 3, 5 are fastened by means of screws 29, 30 on the half-shell 2a (single-shell screw connection), wherein the flat sides 21, 22 on support surfaces 33, 34 (s. Fig. 3 ) lie, which are just formed here and also in the common level E lie. In principle, it is advantageous to design the support surfaces 33, 34 in the shell 2a as flat surfaces, but instead of support surfaces 33, 34, support points lying in the common plane E (in the shell 2a) could also be used for support. The support surfaces 33, 34 are thus to be understood as an example.

Fig. 2 zeigt den Schalter 1 nach Drehung der Schaltwelle 15 in Uhrzeigerrichtung mit nach innen zur Schaltwelle 15 hin geschwenktem Kontaktelement 7. Bei dieser Schaltstellung ist der Schaltkontakt 12 und damit der Schalter 1 geöffnet. Im Verlauf des Öffnens überschneiden sich die Kontaktflächen 27, 28 - quer zu den Kontaktflächen 27, 28 gesehen - abnehmend (im Verlauf des Schließens überschneiden sie sich entsprechend zunehmend), d.h. die Überschneidung der Kontaktflächen 27, 28 nimmt während des Öffnens ab. Fig. 2 shows the switch 1 after rotation of the switching shaft 15 in the clockwise direction with inwardly pivoted to the switching shaft 15 toward contact element 7. In this switching position of the switching contact 12 and thus the switch 1 is opened. In the course of opening, the contact surfaces 27, 28 overlap - seen transversely to the contact surfaces 27, 28 - decreasing (in the course of closing they overlap correspondingly increasingly), ie the intersection of the contact surfaces 27, 28 decreases during opening.

In Fig. 3 ist nur die Schale 2a (der untere Teil des Gehäuses 2) dargestellt, so dass man die in der gemeinsamen Ebene E liegenden Stützflächen 33, 34 gut erkennt, die an den innen an der Gehäusewand angeformten Stützelementen 35, 36 ausgebildet sind. Die Tolerierung erfolgt über die gemeinsame Ebene E, welche auch die Bezugsebene für die Maße der Schale 2a ist. Die Stützelemente 35, 36 sind hier Ausprägungen in der Kunststoffschale 2a. Um ein Verdrehen der Anschlusselemente 3, 5 zu verhindern, sind Anlagevorsprünge 37, 38 vorgesehen, an denen die Anschlusselemente 3, 5 seitlich anliegen.In Fig. 3 only the shell 2a (the lower part of the housing 2) is shown, so that one well recognizes the lying in the common plane E support surfaces 33, 34, which are formed on the inside of the housing wall integrally formed support members 35, 36. Tolerancing takes place via the common plane E, which is also the reference plane for the dimensions of the shell 2a. The support elements 35, 36 are in this case manifestations in the plastic shell 2a. To prevent twisting of the connection elements 3, 5, contact projections 37, 38 are provided, against which the connection elements 3, 5 rest laterally.

Fig. 4 zeigt nur den geschlossenen Schaltkontakt 12 gemäß Fig. 1 mit den Anschlusselementen 3, 5 und dem Kontaktelement 7. Fig. 4 shows only the closed switch contact 12 according to Fig. 1 with the connection elements 3, 5 and the contact element 7.

In Fig. 5 ist der Schaltkontakt 12 gemäß Fig. 4 von hinten zu sehen.In Fig. 5 is the switching contact 12 according to Fig. 4 to be seen from behind.

Fig. 6 zeigt den Schaltkontakt 12 gemäß Fig. 4 zusätzlich auch von der Seite. Dabei sind in Fig. 6 zum besseren Verständnis die Stützelemente 35, 36 mit den Stützflächen 33, 34 sehr schematisch (und deshalb gestrichelt) mit eingezeichnet. Fig. 6 shows the switching contact 12 according to Fig. 4 in addition also from the side. Here are in Fig. 6 for better understanding the support elements 35, 36 with the support surfaces 33, 34 very schematically (and therefore dashed) drawn with.

Fig. 7 und 8 zeigen den geschlossenen Schaltkontakt 12 gemäß Fig. 1 mit den Anschlusselementen 3, 5 und einem weiteren Kontaktelement 39, das parallel zum Kontaktelement 7 angeordnet ist, eine Flachseite 40 und eine Kontaktfläche 41 aufweist und sich synchron mit dem beweglichen Kontaktelement 7 bewegt. Der Kontaktfläche 41 liegt eine am Anschlusselement 5 ausgebildete Kontaktfläche 42 gegenüber, die eine Teilfläche der Flachseite 24 ist. Die Flachseiten 25, 40 der beiden gleich ausgebildeten beweglichen Kontaktelemente 7, 39 sind entsprechend der Dicke D der Anschlusselemente 3, 5 voneinander beabstandet und liegen einander zugewandt gegenüber, wobei sie einen Schlitz bilden, der das plattenförmige Anschlusselement 5 beim Schließen des Schaltkontakts 12 formschlüssig mit aneinander gleitenden Kontaktflächen 27, 28 und 41, 42 (noch nicht eingeführt) aufnimmt. Auch die Flachseiten 23, 24, 40 der Anschlusselemente 3, 5 und des Kontaktelements 39 liegen in einer gemeinsamen, der Ebene F, die mit dem Abstand der Dicke D parallel zur gemeinsamen Ebene E verläuft. Eine mittig zwischen den Ebenen E und F liegende Mittenebene M bildet bei dieser Ausführung mit zwei Kontaktelementen 7, 39 die Symmetrieebene des Schaltkontakts 12. FIGS. 7 and 8 show the closed switch contact 12 according to Fig. 1 with the connection elements 3, 5 and a further contact element 39, which is arranged parallel to the contact element 7, has a flat side 40 and a contact surface 41 and moves synchronously with the movable contact element 7. The contact surface 41 is opposite to a contact element 5 formed on the contact surface 42, which is a partial surface of the flat side 24. The flat sides 25, 40 of the two identically formed movable contact elements 7, 39 are according to the thickness D of the connection elements 3, 5 spaced from each other and face each other, forming a slot, the plate-shaped connection element 5 when closing the switch contact 12 with a positive fit sliding contact surfaces 27, 28 and 41, 42 (not yet introduced) receives. The flat sides 23, 24, 40 of the connection elements 3, 5 and the contact element 39 lie in a common, the plane F, which runs parallel to the common plane E with the distance of the thickness D. A center plane M lying centrally between the planes E and F forms the plane of symmetry of the switching contact 12 in this embodiment with two contact elements 7, 39.

Grundsätzlich müssen die gemeinsame Ebene E des linken Schaltkontakts 12 und die gemeinsame Ebene E des rechten Schaltkontakts 13 nicht unbedingt in einer gemeinsamen Ebene liegen. Die gemeinsame Ebene E des linken Schaltkontakts 12 und die gemeinsame Ebene E des rechten Schaltkontakts 13 können sich in ihrer Lage unterscheiden, z.B. parallel zueinander verschoben sein. Vorteilhafterweise liegen die gemeinsame Ebene E des linken Schaltkontakts 12 und die gemeinsame Ebene E des rechten Schaltkontakts 13 in einer gemeinsamen Ebene E. Dasselbe gilt hier bei dieser beispielhaften Ausführung auch für die Ebenen M und F.Basically, the common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 need not necessarily be in a common plane. The common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 may differ in their position, for example, be moved parallel to each other. Advantageously, the common plane E of the left switch contact 12 and the common plane E of the right switch contact 13 lie in a common plane E. The same applies in this exemplary embodiment also for the planes M and F.

Wie man erkennt, entsprechen folgende Bezugszeichen des linken Schaltkontakts 12 und des rechten Schaltkontakts 13 einander: Die die Anschlusselemente 3, 4, 5, 6 (einschließlich Anschlussfahnen 3a, 4a), die Kontaktelemente 7, 8, die Achsen 17, 18, 19, 20, , die Flachseiten 25, 26, die Schrauben 29, 30, 31, 32, Stützflächen 33, 34, 33a, 34a, die Stützelemente 35, 36, 35a, 36a und die Anlagevorsprünge 37, 38, 37a, 38a.As can be seen, the following reference numerals of the left switch contact 12 and the right switch contact 13 correspond to each other: the connection elements 3, 4, 5, 6 (including terminal lugs 3a, 4a), the contact elements 7, 8, the axes 17, 18, 19, 20, 12, the flat sides 25, 26, the screws 29, 30, 31, 32, support surfaces 33, 34, 33a, 34a, the support elements 35, 36, 35a, 36a and the abutment projections 37, 38, 37a, 38a.

Claims (9)

Schalter (1)
mit Anschlusselementen (3, 5), die über einen Schaltkontakt (12) verbindbar sind, der eine feststehende und eine bewegliche ebene Kontaktfläche (27, 28) aufweist, von denen die bewegliche Kontaktfläche (27) an einem beweglichen Kontaktelement (7) ausgebildet ist, das sich im Verlauf des Schließens aus einer Offenstellung in eine Schließstellung bewegt, wobei die beiden Kontaktflächen (27, 28) jeweils einander zugewandt und parallel zueinander ausgerichtet sind, sich quer zu den Kontaktflächen (27, 28) gesehen im Verlauf des Schließens zunehmend überschneiden und in der Schließstellung aneinander anliegen,
dadurch gekennzeichnet,
dass die beiden Anschlusselemente (3, 5) und das bewegliche Kontaktelement (7) jeweils eine ebene Flachseite (21, 22, 25) aufweisen und alle Flachseiten (21, 22, 25) in einer gemeinsamen Ebene (E) liegen, wobei die Anschlusselemente (3, 5) auf der einen Seite der gemeinsamen Ebene (E) und das bewegliche Kontaktelement (7) auf der anderen Seite angeordnet sind,
dass eine Teilfläche der Flachseite (22) des einen Anschlusselements (5) die feststehende Kontaktfläche (28) und eine Teilfläche der Flachseite (21) des anderen Anschlusselements (3) eine ebene Lagerfläche bildet, und
dass das bewegliche Kontaktelement (7) mit seiner Flachseite (25) beweglich an dieser Lagerfläche anliegt.Switch (1)
with connecting elements (3, 5), which are connectable via a switching contact (12) having a fixed and a movable planar contact surface (27, 28), of which the movable contact surface (27) on a movable contact element (7) is formed , which moves in the course of closing from an open position to a closed position, wherein the two contact surfaces (27, 28) facing each other and aligned parallel to each other, transverse to the contact surfaces (27, 28) increasingly overlap in the course of closing and abut each other in the closed position,
characterized,
that the two connection elements (3, 5) and the movable contact element (7) each have a flat flat side (21, 22, 25) and all flat sides (21, 22, 25) lie in a common plane (E), wherein the connection elements (3, 5) are arranged on one side of the common plane (E) and the movable contact element (7) on the other side,
that a partial surface of the flat side (22) of the one connecting element (5), the fixed contact surface (28) and a partial surface of the flat side (21) of the other connecting element (3) forms a flat bearing surface, and
that the movable contact element (7) rests with its flat side (25) movable on this bearing surface. Schalter (1) nach Anspruch 1,
dadurch gekennzeichnet,
dass auf der Seite des beweglichen Kontaktelements (7) Stützelemente (35, 36) angeordnet sind, die Stützflächen (33, 34) aufweisen, welche an den Flachseiten (21, 22) der Anschlusselemente (3, 5) anliegen.Switch (1) according to claim 1,
characterized,
that on the side of the movable contact element (7) have supporting elements (35, 36) are arranged, which support surfaces (33, 34), which on the flat sides (21, 22) of the connecting elements (3, 5) abut. Schalter (1) nach Anspruch 1 oder 2,
gekennzeichnet durch
dass das bewegliche Kontaktelement (7) aus einem Flachkörper gebildet ist, an dessen einem Ende die bewegliche Kontaktfläche (27) angeordnet ist und an dessen anderem Ende die Lagerfläche anliegt.Switch (1) according to claim 1 or 2,
marked by
the movable contact element (7) is formed from a flat body, at one end of which the movable contact surface (27) is arranged and at the other end of which the bearing surface rests. Schalter (1) nach einem der Ansprüche 1 - 3,
gekennzeichnet durch
dass das bewegliche Kontaktelement (7) in Form eines Schwenkhebels ausgebildet und schwenkbar gelagert ist.Switch (1) according to one of claims 1 - 3,
marked by
that the movable contact element (7) is designed in the form of a pivot lever and is pivotally mounted. Schalter (1) nach einem der Ansprüche 1 - 4,
dadurch gekennzeichnet,
dass der Schalter (1) eine Gehäuseschale (2a) aufweist und die Stützelemente (35, 36) innen an der Gehäusewand angeformt und die Anschlusselemente (3, 5) und das bewegliche Kontaktelement (7) in der Gehäuseschale (2a) angeordnet sind.Switch (1) according to one of claims 1 - 4,
characterized,
that the switch (1) comprises a housing shell (2a) and the supporting elements (35, 36) on the inside of the housing wall formed integrally and the connection elements (3, 5) and the movable contact element (7) in the housing shell (2a) are arranged. Schalter (1) nach einem der Ansprüche 1 - 5,
dadurch gekennzeichnet,
dass die beiden Anschlusselemente (3, 5) plattenförmig ausgebildet sind und die gleiche Dicke (D) aufweisen.Switch (1) according to one of claims 1 - 5,
characterized,
that the two connector elements comprise (3, 5) are plate-shaped and the same thickness (D). Schalter (1) nach einem der Ansprüche 1 - 6,
dadurch gekennzeichnet,
dass die beiden Anschlusselemente (3, 5) auf beiden Seiten voneinander abgewandte Flachseiten (21, 22, 23, 24) aufweisen, die parallel zueinander verlaufen,
dass dem beweglichen Kontaktelement (7) ein weiteres bewegliches Kontaktelement (39) mit einer Flachseite (40) gegenüberliegt, wobei die beiden beweglichen Kontaktelemente (7, 39) synchron verschwenken und deren Flachseiten (25, 40) einander zugewandt und entsprechend der Dicke (D) der Anschlusselemente (3, 5) voneinander beabstandet sind, so dass sie einen Schlitz bilden, der das Anschlusselement (5) beim Schließen des Schaltkontakts (12) aufnimmt, wobei die beweglichen Kontaktflächen (27, 41) der beiden Kontaktelemente (7, 39) beidseitig mit feststehenden Kontaktflächen (28) des Anschlusselements (5) kontaktieren.Switch (1) according to one of claims 1 - 6,
characterized,
that the two connecting elements (3, 5) on both sides facing away from each other, flat sides (21, 22, 23, 24) which are parallel to each other,
in that the movable contact element (7) faces a further movable contact element (39) with a flat side (40), the two movable contact elements (7, 39) pivoting synchronously and their flat sides (25, 40) facing each other and corresponding to the thickness (D ) of the connection elements (3, 5) are spaced apart so that they form a slot which receives the connection element (5) when closing the switching contact (12), wherein the movable contact surfaces (27, 41) of the two contact elements (7, 39 ) contact on both sides with fixed contact surfaces (28) of the connecting element (5). Schalter (1) nach Anspruch 7,
dadurch gekennzeichnet,
dass die beiden Flachseiten (25, 40) der beiden beweglichen Kontaktelemente (7, 39) mit den entsprechenden Flachseiten (21, 22, 23, 24) der beiden Anschlusselemente (3, 5) jeweils in einer gemeinsamen Ebene (E, F) liegen und die beiden gemeinsamen Ebenen (E, F) entsprechend der Dicke (D) der Anschlusselemente (3, 5) voneinander beabstandet sind.Switch (1) according to claim 7,
characterized,
that the two flat sides (25, 40) of the two movable contact elements (7, 39) with the corresponding flat sides (21, 22, 23, 24) of the two connector elements (3, 5) in a common plane in each case (E, F) and the two common planes (E, F) are spaced apart according to the thickness (D) of the connection elements (3, 5). Schalter (1) nach einem der Ansprüche 1 - 8,
dadurch gekennzeichnet,
dass die beiden Anschlusselemente (3, 5) jeweils einstückig aus einem Flachmaterial mit der entsprechenden Dicke (D) durch Biegen gebildet sind.Switch (1) according to one of claims 1 - 8,
characterized,
that the two connecting elements (3, 5) in each case in one piece from a flat material having the corresponding thickness (D) are formed by bending.
EP14165718.9A 2014-04-24 2014-04-24 Switch, in particular circuit breaker Active EP2937882B1 (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
EP14165718.9A EP2937882B1 (en) 2014-04-24 2014-04-24 Switch, in particular circuit breaker
US14/691,619 US9824830B2 (en) 2014-04-24 2015-04-21 Switch, in particular load interrupter switch
CN201510271778.0A CN105185663B (en) 2014-04-24 2015-04-24 Switch, in particular load-break switch

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP14165718.9A EP2937882B1 (en) 2014-04-24 2014-04-24 Switch, in particular circuit breaker

Publications (2)

Publication Number Publication Date
EP2937882A1 true EP2937882A1 (en) 2015-10-28
EP2937882B1 EP2937882B1 (en) 2018-09-26

Family

ID=50542880

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14165718.9A Active EP2937882B1 (en) 2014-04-24 2014-04-24 Switch, in particular circuit breaker

Country Status (3)

Country Link
US (1) US9824830B2 (en)
EP (1) EP2937882B1 (en)
CN (1) CN105185663B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3726553B1 (en) * 2019-04-18 2022-10-19 ABB Schweiz AG Switching device
EP3916745B1 (en) * 2020-05-28 2024-03-13 ABB Schweiz AG Electrical switch

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DE3223654A1 (en) * 1982-06-24 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Rolling sliding contact
CH644224A5 (en) * 1979-05-18 1984-07-13 Concordia Sprecher Schalt Connecting contact part on a load interruptor switch
EP1085542A2 (en) * 1999-09-15 2001-03-21 General Electric Company Rotary electric switch and contact therefore
FR2891395A1 (en) * 2005-09-28 2007-03-30 Socomec Sa Sa Disconnection module for electrical apparatus e.g. circuit-breaker, has two pairs of mobile contacts coupled by rotation driving mechanism that is arranged for inversing rotation of one pair with respect to other pair
WO2012168553A1 (en) * 2011-06-07 2012-12-13 Abb Oy Switch

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Publication number Priority date Publication date Assignee Title
US7223928B2 (en) * 2004-12-20 2007-05-29 S&C Electric Canada Ltd. Switch with improved protection from ice conditions
ES2383293T3 (en) * 2008-04-01 2012-06-20 Ewac Holding B.V. Rotary electric switch
US8013263B2 (en) * 2008-08-14 2011-09-06 Cooper Technologies Company Multi-deck transformer switch
CN102412085B (en) * 2010-09-20 2014-09-10 西门子公司 Double-break electrical contact device and isolating switch using same
WO2013021642A1 (en) * 2011-08-09 2013-02-14 株式会社 東芝 Switch device and operating mechanism for same

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH644224A5 (en) * 1979-05-18 1984-07-13 Concordia Sprecher Schalt Connecting contact part on a load interruptor switch
DE3223654A1 (en) * 1982-06-24 1984-01-05 Siemens AG, 1000 Berlin und 8000 München Rolling sliding contact
EP1085542A2 (en) * 1999-09-15 2001-03-21 General Electric Company Rotary electric switch and contact therefore
FR2891395A1 (en) * 2005-09-28 2007-03-30 Socomec Sa Sa Disconnection module for electrical apparatus e.g. circuit-breaker, has two pairs of mobile contacts coupled by rotation driving mechanism that is arranged for inversing rotation of one pair with respect to other pair
WO2012168553A1 (en) * 2011-06-07 2012-12-13 Abb Oy Switch

Also Published As

Publication number Publication date
CN105185663B (en) 2020-02-21
CN105185663A (en) 2015-12-23
EP2937882B1 (en) 2018-09-26
US20150311004A1 (en) 2015-10-29
US9824830B2 (en) 2017-11-21

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