EP2561530A1 - Small bistable high-performance relay - Google Patents

Small bistable high-performance relay

Info

Publication number
EP2561530A1
EP2561530A1 EP11724942A EP11724942A EP2561530A1 EP 2561530 A1 EP2561530 A1 EP 2561530A1 EP 11724942 A EP11724942 A EP 11724942A EP 11724942 A EP11724942 A EP 11724942A EP 2561530 A1 EP2561530 A1 EP 2561530A1
Authority
EP
European Patent Office
Prior art keywords
contact
contact spring
housing
bistable
assembly
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
EP11724942A
Other languages
German (de)
French (fr)
Other versions
EP2561530B1 (en
Inventor
Jörg GASSMANN
Steffen Schnitter
Marcus Herrmann
Matthias Kulke
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.)
Johnson Electric Dresden GmbH
Original Assignee
Johnson Electric Dresden GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Johnson Electric Dresden GmbH filed Critical Johnson Electric Dresden GmbH
Publication of EP2561530A1 publication Critical patent/EP2561530A1/en
Application granted granted Critical
Publication of EP2561530B1 publication Critical patent/EP2561530B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H45/00—Details of relays
    • H01H45/02—Bases; Casings; Covers
    • H01H45/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • 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
    • H01H51/00—Electromagnetic relays
    • H01H51/02—Non-polarised relays
    • H01H51/04—Non-polarised relays with single armature; with single set of ganged armatures
    • H01H51/12—Armature is movable between two limit positions of rest and is moved in both directions due to the energisation of one or the other of two electromagnets without the storage of energy to effect the return movement
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/22—Polarised relays
    • H01H51/2272—Polarised relays comprising rockable armature, rocking movement around central axis parallel to the main plane of the armature
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/02—Bases; Casings; Covers
    • H01H50/04—Mounting complete relay or separate parts of relay on a base or inside a case
    • H01H50/041—Details concerning assembly of relays
    • H01H50/042—Different parts are assembled by insertion without extra mounting facilities like screws, in an isolated mounting part, e.g. stack mounting on a coil-support

Definitions

  • the invention relates to a bistable small relay high power, comprising a Isolierstoffgeophuse with a first housing chamber in which a single-phase contact assembly with two bus bars and a contact spring is arranged, wherein the contact spring is connected with one leg end fixed to one of the busbars and with its other free at least a movable contact bearing leg end operates on at least one fixed contact, which sits on the second busbar, and wherein in a second housing chamber, a bistable magnetic Aktorbauffle maybe arranged with a pivotable armature, which deflects the contact spring via a arranged in the housing output device to a circuit via to close or interrupt the busbars.
  • Such a generic small relay is known for example from DE 10 2007 011 328 A1.
  • the actuator assembly is disposed in a housing chamber above a housing chamber for the contact assembly, wherein both housing chambers have different dimensions.
  • the actuator has a so-called H-armature, consisting of two parallel soft iron anchor plates, between which a permanent magnet is clamped, which is magnetized so that one pole is directed to the anchor plate and the other pole to the other anchor plate.
  • the H-armature is mounted on a bolt in the housing chamber of the actuator and pivots depending on the excitation pulse of a umpolbaren magnetic coil between two mutually facing portions of two yoke parts of the magnetic circuit.
  • the pin bearing causes friction.
  • the H-anchor has a radially projecting arm, the one engages substantially stretched contact spring and deflects in this way.
  • the invention has for its object to develop a bipolar small electrical relay with a switching capacity in the range of 100 A or more that is easy to manufacture, easily adaptable in various configurations to predetermined conditions and uses a low switching energy.
  • the relay according to the invention is exceptionally variable to configure for a variety of installation requirements. Due to the simple and automatic components and an appropriate division into an actuator and a contact assembly, the manufacturing costs are reduced. Further advantages are the small installation space with high switching capacity and the possibility of using the same components to minimize either the overall height or the width.
  • the relay allows high switching cycles and is characterized by a low contact bounce, a very low contact resistance, a low own energy consumption, a low switching energy, a long life and a fast contact separation in the event of a short circuit.
  • FIG. 4 shows the actuator assembly according to FIG. 3 in the assembled state
  • Fig. 10 schematically illustrated construction variants of the relay according to the invention.
  • Figure 1 shows a first embodiment of a bistable relay according to the invention with removed insulating material.
  • the insulating housing consists of a square housing lower part 1 and a square housing cap 2, which enclose an actuator assembly 3 and a arranged next to the actuator assembly 3 contact assembly 4 between them.
  • An intermediate wall 5 separates the lower housing part 1 into two approximately equal housing chambers 1a, 1b.
  • One chamber 1a receives the actuator assembly 3 in a form-fitting manner, and the other chamber receives the contact assembly 4 in a form-fitting manner, for which unspecified inner housing contours in the insulating housing are used.
  • the Aktorbaueau 3 actuates the contact assembly 4 via a the chambers 1a, 1b cross-down drive means.
  • the relay may be part of a smart electronic electricity meter.
  • FIG. 2 shows the same embodiment of a relay again with removed insulating housing, the actuator assembly 3, the contact assembly 4 and the output device for better visualization of details are shown separated from each other.
  • the output device is designed in the relay embodiment shown as mounted in the insulating housing rotatable two-armed rocker element 6.
  • a bore 9 is provided for the storage of the rocker element 6 is in the middle of the partition 5 of the housing chambers 1 a, 1 b in the lower housing part 1, a bore 9 is provided.
  • a gripper arm 6a the rocker element 6 engages a force application element 10 of a rocker armature 11 of the actuator assembly 3 and with the other gripper arm 6b a force application element 12 a contact spring 13 of the contact assembly 4.
  • Both gripper arms 6a, 6b are equal, resulting in the same force-displacement ratios , But there are also other leverage ratios possible.
  • FIG. 3 shows an actuator assembly 3 in an exploded view.
  • a U-shaped yoke 14 is stamped with its two yoke legs in one piece from soft iron sheet and bent.
  • a flat permanent magnet 15 is arranged, which in turn carries a soft iron middle leg 16. In this way, results in an E-shaped magnetic core.
  • On the outer yoke legs sit separately controllable excitation windings 17, which are supported by an insulating body 18.
  • the insulating body 18 of the excitation windings 17 are connected by means of one or more film hinges 19 and can be wound in one operation, taking out the inner coil ends.
  • the inner coil ends are soldered to one of the three pins 7, the outer separated to the other two pins 7.
  • the Aktorbau devis 3 is controlled via the pins 7 according to a preferred variant so that for switching the rocker armature 11 from one switching position to the other of the permanent magnetic holding flux through the rocker arm 11 each closed parallel magnetic circuit at one of the exciter winding 17 of this magnetic circuit generated electromagnetic Control flux commutated with a direction opposite to the permanent magnetic holding flux direction in the other parallel magnetic circuit which carries the unexcited field winding 17. It is therefore each driven to switch the excitation winding 17, which sits in the magnetic circuit with the attracted armature wing of the rocker armature 11. This reduces the drive energy.
  • FIG. 5 shows a variant of the contact assembly in an exploded view. Shown are three layers of a U-shaped contact spring 13.
  • the three layers of different lengths are only mechanically and electrically connected at their ends.
  • the shorter U-legs are attached with their ends to one of the busbars 8a, the longer ends carry a movable contact 20 which cooperates with a fixed contact 21 on the other busbar 8b.
  • At the free ends of the upper and lower contact spring position force application elements 12 are formed in the form of cut-out resilient tongues, which serve for the attack of a driven device.
  • Unspecified formations in the busbars 8a, 8b engage in corresponding formations in the housing chamber 1 b of the lower housing part 1 for a positive connection.
  • both ends of the bus bars 8a, 8b are designed for the connection of conductors.
  • FIG. 7 shows a further relay variant.
  • the relay is already mounted with the exception of placing the housing cap 2.
  • a variant of a contact assembly 4 with two contacts 20 on the contact spring 13 and two fixed contacts 21 on the busbar 8b is shown.
  • the multi-layer contact spring 13 is slotted at its end bearing contacts, so that each of the two movable contacts 20 is resiliently movable for itself and can compensate for any manufacturing tolerances to the fixed contacts 21.
  • the bounce and thus the contact erosion decreases.
  • the dimensions of the two housing chambers 1a, 1b have not changed with respect to the dimensions of FIG.
  • the two-armed rocker element 6 is mounted as a driven device.
  • FIG. 8 shows a further relay variant. It contains a far-reaching three-layered U-shaped bent contact spring 13, which is longitudinally slotted over a greater length in two spring arms. The layers are in turn connected at both ends.
  • the shorter U-leg of the contact spring 13 is fixed with its end to a busbar 8a, the longer Ii leg of the contact spring 13 carries at the ends of its spring arms a movable contact 20.
  • These movable contacts 20 cooperate with fixed contacts 21 on the second busbar 8b are mounted.
  • the contacts 20, 21 are in contrast to the previous ones Contact assemblies on the other switching side, which faces away from the U-bend.
  • the busbar 8b which carries the fixed contacts 21, bent in the housing chamber 1 b for the contact assembly 4.
  • FIGS. 1, 2, 7 and 8 While relay variants have been described in FIGS. 1, 2, 7 and 8, in which the actuator subassembly 3 and the contact subassembly 4 are arranged in one plane in the insulating housing, ie side by side in the housing chambers 1a, 1b of the housing subassembly 1, FIG Relay variant is, in which the actuator assembly 3 is disposed above the contact assembly 4 in the insulating 1.
  • the assemblies 3, 4 themselves have in principle the same structure and the same size compared to the previous modules. However, in this example, the busbars 8a, 8b led out of the insulating material at right angles.
  • the housing chambers 22a, 22b have the same dimensions.
  • the Isolierstoffgeophuse 22 is now no longer square in plan, but rectangular and the housing cap not shown in detail L-shaped.
  • the insulating housing is twice as high and half as wide as the insulating square-section housing.
  • the contact assembly 4 is inserted in the lower housing chamber 22b.
  • the actuator assembly 3 is inserted in the upper housing chamber 22a.
  • the output device consists of a slide 23 which is guided on a narrow side by contours of the lower housing part 22b.
  • the slider 23 has on both sides gripper arms 23a, 23b, which in turn on the one hand a force application element 10 of a rocker armature 11 of the actuator assembly 3 and on the other hand a force application element 12 of a contact spring 13 of the contact assembly 4 attack.
  • each field winding 17 is guided to a pair of pins 7.
  • the assembly drawing with the figures 10 a) to 10 e) shows purely schematically some variants of a relay structure, wherein according to Figure 10 a) to Figure 10 d) the housing chamber 1a for the actuator assembly with the housing chamber 1 b for the contact assembly in each case in a plane next to each other lie in an insulating material and as shown in FIG. 10 e) in two planes one above the other.
  • the busbars 8a, 8b are led out in the examples in all variants parallel to each other.
  • the relay arrangements according to the figures 1 a) and 1 e) due to their compact design. However, if the installation specifications are not different, a relay design according to FIGS. 10 b) to 10 d) can be used without further ado.
  • rockers, slides, levers, pins, etc. can be used as output devices and the busbars 8a, 8b flat, edgewise, parallel or at an angle to stand by each other.
  • relays with an actuator assembly and more than one contact module can be built.
  • relays with two contact modules can be configured one above the other or, according to FIG. 10 a), relays having contact assemblies arranged on either side of an actuator assembly.
  • the Aktorbauffle actuate a normally open contact assembly and a normally closed contact assembly.
  • a changeover contact assembly can be configured by having a movable contact on either side of the contact spring, each cooperating with a fixed contact. In this case, three busbars lead out of the insulating material housing.

Abstract

The invention relates to a small bistable high-performance relay, comprising an insulating-material housing with a first housing chamber (1b) in which a single-phase contact module (4) with two busbars (8a, 8b) and a contact spring (13) are arranged, wherein the contact spring (13) is fixedly connected with one leg end to one of the busbars (8a) and acts with its other free leg end that carries at least one mobile contact (20) upon at least one fixed contact (21) located on the second busbar (8b), and wherein a bistable magnetic actuator module (3) having a pivotable armature (11) is arranged in a second housing chamber (1a), said armature deflecting the contact spring (13) by means of an output device (6; 23) arranged in the housing in order to close or interrupt a circuit via the busbars (8a, 8b). According to the invention, the contact module (4) and the actuator module (3) are arranged in one or two levels in the insulating-material housing, wherein the contact module (4) comprises a multi-layered contact spring (13) that is bent in a U shape to form an electrodynamic current loop while the actuator module (3) comprises a one-piece, U-shaped yoke (14) having at least one excitation coil (17) per yoke limb and a yoke center limb (16) supported by a flat permanent magnet (15) and on which is mounted a slightly V-shaped rocker armature (11).

Description

Bistabiles Kleinrelais großer Leistung  Bistable small relay of high performance
Die Erfindung betrifft ein bistabiles Kleinrelais großer Leistung, aufweisend ein Isolierstoffgehäuse mit einer ersten Gehäusekammer, in der eine einphasige Kontaktbaugruppe mit zwei Stromschienen und einer Kontaktfeder angeordnet ist, wobei die Kontaktfeder mit einem Schenkelende fest an eine der Stromschienen angeschlossen ist und mit ihrem anderen freien mindestens einen beweglichen Kontakt tragenden Schenkelende auf mindestens einen Festkontakt arbeitet, der auf der zweiten Stromschiene sitzt, und wobei in einer zweiten Gehäusekammer eine bistabile magnetische Aktorbaugruppe mit einem verschwenkbaren Anker angeordnet ist, welcher über eine im Gehäuse angeordnete Abtriebseinrichtung die Kontaktfeder auslenkt, um einen Stromkreis über die Stromschienen zu schließen oder zu unterbrechen. The invention relates to a bistable small relay high power, comprising a Isolierstoffgehäuse with a first housing chamber in which a single-phase contact assembly with two bus bars and a contact spring is arranged, wherein the contact spring is connected with one leg end fixed to one of the busbars and with its other free at least a movable contact bearing leg end operates on at least one fixed contact, which sits on the second busbar, and wherein in a second housing chamber, a bistable magnetic Aktorbaugruppe is arranged with a pivotable armature, which deflects the contact spring via a arranged in the housing output device to a circuit via to close or interrupt the busbars.
Ein solches gattungsgemäßes Kleinrelais ist beispielsweise aus der DE 10 2007 011 328 A1 bekannt. Bei diesem Relais ist die Aktorbaugruppe in einer Gehäusekammer oberhalb einer Gehäusekammer für die Kontaktbaugruppe angeordnet, wobei beide Gehäusekammern unterschiedliche Abmessungen aufweisen. Dies erfordert die langgestreckte Kontaktfeder. Der Aktor besitzt einen so genannten H-Anker, bestehend aus zwei parallelen Weicheisen- Ankerplatten, zwischen denen ein Permanentmagnet eingespannt ist, der so magnetisiert ist, dass ein Pol zu der einen Ankerplatte und der andere Pol zu der anderen Ankerplatte gerichtet ist. Der H-Anker ist auf einem Bolzen in der Gehäusekammer des Aktors gelagert und schwenkt je nach Erregungsimpuls einer umpolbaren Magnetspule zwischen zwei aufeinander zu gerichteten Abschnitten zweier Jochteile des Magnetkreises. Die Bolzenlagerung verursacht Reibung. Der H-Anker hat einen radial abstehenden Arm, der eine im Wesentlichen gestreckte Kontaktfeder untergreift und auf diese Weise auslenkt. Such a generic small relay is known for example from DE 10 2007 011 328 A1. In this relay, the actuator assembly is disposed in a housing chamber above a housing chamber for the contact assembly, wherein both housing chambers have different dimensions. This requires the elongated contact spring. The actuator has a so-called H-armature, consisting of two parallel soft iron anchor plates, between which a permanent magnet is clamped, which is magnetized so that one pole is directed to the anchor plate and the other pole to the other anchor plate. The H-armature is mounted on a bolt in the housing chamber of the actuator and pivots depending on the excitation pulse of a umpolbaren magnetic coil between two mutually facing portions of two yoke parts of the magnetic circuit. The pin bearing causes friction. The H-anchor has a radially projecting arm, the one engages substantially stretched contact spring and deflects in this way.
Der Erfindung liegt die Aufgabe zugrunde, ein bipolares elektrisches Kleinrelais mit einer Schaltleistung im Bereich von 100 A oder mehr zu entwickeln, dass einfach in der Herstellung ist, in verschiedenen Konfigurationen leicht an vorgegebene Einsatzbedingungen anpassbar ist und mit einer geringen Umschaltenergie auskommt. The invention has for its object to develop a bipolar small electrical relay with a switching capacity in the range of 100 A or more that is easy to manufacture, easily adaptable in various configurations to predetermined conditions and uses a low switching energy.
Die Aufgabe wird durch die Merkmale des Anspruchs 1 gelöst. Vorteilhafte Weiterentwicklungen und Ausgestaltungen geben die begleitenden Ansprüche an. The object is solved by the features of claim 1. Advantageous further developments and embodiments specify the accompanying claims.
Aufgrund seiner modularen Struktur ist das erfindungsgemäße Relais außergewöhnlich variabel für unterschiedlichste Einbauanforderungen zu konfigurieren. Aufgrund der einfachen und automatengerechten Bauteile und einer zweckmäßigen Aufteilung in eine Aktor- und eine Kontaktbaugruppe verringern sich die Fertigungskosten. Weitere Vorteile sind der geringe Bauraum bei großer Schaltleistung und die Möglichkeit, mit denselben Baugruppen entweder die Bauhöhe oder die Baubreite zu minimieren. Das Relais erlaubt hohe Schaltzyklen und zeichnet sich durch ein geringes Kontaktprellen, einen sehr geringen Kontaktwiderstand, einen geringen Eigenenergieverbrauch, eine geringe Umschaltenergie, eine lange Lebensdauer und ein schnelles Kontakttrennen im Kurzschlussfall aus. Due to its modular structure, the relay according to the invention is exceptionally variable to configure for a variety of installation requirements. Due to the simple and automatic components and an appropriate division into an actuator and a contact assembly, the manufacturing costs are reduced. Further advantages are the small installation space with high switching capacity and the possibility of using the same components to minimize either the overall height or the width. The relay allows high switching cycles and is characterized by a low contact bounce, a very low contact resistance, a low own energy consumption, a low switching energy, a long life and a fast contact separation in the event of a short circuit.
Die Erfindung soll anhand eines Ausführungsbeispiels näher erläutert werden. In den zugehörigen Zeichnungen zeigen: Fig. 1 ein bistabiles Relais mit einem abgenommenen Isolierstoffgehäuse, The invention will be explained in more detail with reference to an embodiment. In the accompanying drawings show: 1 is a bistable relay with a detached insulating material,
Fig. 2 ein in Baugruppen zerlegtes Relais nach Fig. 1 , 2 shows a disassembled into modules relay of FIG. 1,
Fig. 3 eine Aktorbaugruppe in Explosionsdarstellung, 3 shows an actuator assembly in exploded view,
Fig. 4 die Aktorbaugruppe nach Fig. 3 im montierten Zustand, 4 shows the actuator assembly according to FIG. 3 in the assembled state, FIG.
Fig. 5 Bauteile einer Kontaktbaugruppe in Explosionsdarstellung, 5 components of a contact assembly in exploded view,
Fig. 6 die Bauteile nach Fig. 5 im montierten Zustand, 6, the components of FIG. 5 in the mounted state,
Fig. 7 eine Relaisvariante mit abgenommener Gehäusekappe, 7 shows a relay variant with removed housing cap,
Fig. 8 eine zweite Relaisvariante mit abgenommener Gehäusekappe, 8 shows a second relay variant with removed housing cap,
Fig. 9 eine dritte Relaisvariante mit abgenommener Gehäusekappe und 9 shows a third relay variant with removed housing cap and
Fig. 10 schematisiert dargestellte Aufbauvarianten des erfindungsgemäßen Relais. Fig. 10 schematically illustrated construction variants of the relay according to the invention.
Figur 1 zeigt eine erste Ausführung eines erfindungsgemäßen bistabilen Relais bei abgenommenem Isolierstoffgehäuse. Das Isolierstoffgehäuse besteht aus einem quadratischen Gehäuseunterteil 1 und einer quadratischen Gehäusekappe 2, die eine Aktorbaugruppe 3 und eine neben der Aktorbaugruppe 3 angeordnete Kontaktbaugruppe 4 zwischen sich einschließen. Eine Zwischenwand 5 trennt das Gehäuseunterteil 1 in zwei etwa gleich große Gehäusekammern 1a, 1 b auf. Die eine Kammer 1a nimmt die Aktorbaugruppe 3 formschlüssig auf, und die andere Kammer nimmt die Kontaktbaugruppe 4 formschlüssig auf, wozu nicht näher bezeichnete innere Gehäusekonturen im Isolierstoffgehäuse dienen. Die Aktorbaugruppe 3 betätigt über eine die Kammern 1a, 1 b übergreifende Abtriebseinrichtung die Kontaktbaugruppe 4. Bei geschlossenem Isolierstoffgehäuse schauen lediglich drei Anschlussstifte 7 für eine Steuerung des Aktors und zwei Stromschienen 8a, 8b für den zu schaltenden Verbraucherstrom heraus, deren Enden je nach Verwendung des Relais konfiguriert sein können. Beispielsweise kann das Relais Bestandteil eines intelligenten elektronischen Stromzählers sein. Figure 1 shows a first embodiment of a bistable relay according to the invention with removed insulating material. The insulating housing consists of a square housing lower part 1 and a square housing cap 2, which enclose an actuator assembly 3 and a arranged next to the actuator assembly 3 contact assembly 4 between them. An intermediate wall 5 separates the lower housing part 1 into two approximately equal housing chambers 1a, 1b. One chamber 1a receives the actuator assembly 3 in a form-fitting manner, and the other chamber receives the contact assembly 4 in a form-fitting manner, for which unspecified inner housing contours in the insulating housing are used. The Aktorbaugruppe 3 actuates the contact assembly 4 via a the chambers 1a, 1b cross-down drive means. With closed Isolierstoffgehäuse look only three pins 7 for control of the actuator and two busbars 8a, 8b for the load current to be switched out, their ends depending on Use of the relay can be configured. For example, the relay may be part of a smart electronic electricity meter.
Figur 2 zeigt dieselbe Ausführung eines Relais nochmals bei abgenommenem Isolierstoffgehäuse, wobei die Aktorbaugruppe 3, die Kontaktbaugruppe 4 und die Abtriebseinrichtung zur besseren Sichtbarmachung von Einzelheiten voneinander getrennt dargestellt sind. Die Abtriebseinrichtung ist in der gezeigten Relaisausführung als im Isolierstoffgehäuse gelagertes drehbewegliches zweiarmiges Wippelement 6 ausgeführt. Für die Lagerung des Wippelementes 6 ist mittig in Höhe der Trennwand 5 der Gehäusekammern 1a, 1 b im Gehäuseunterteil 1 eine Bohrung 9 vorgesehen. Mit einem Greiferarm 6a ergreift das Wippelement 6 ein Kraftangriffselement 10 eines Wippankers 11 der Aktorbaugruppe 3 und mit dem anderen Greiferarm 6b ein Kraftangriffselement 12 einer Kontaktfeder 13 der Kontaktbaugruppe 4. Beide Greiferarme 6a, 6b sind gleichlang, wodurch sich dieselben Kraft-Weg-Verhältnisse ergeben. Es sind aber auch andere Hebelübersetzungen möglich. Figure 2 shows the same embodiment of a relay again with removed insulating housing, the actuator assembly 3, the contact assembly 4 and the output device for better visualization of details are shown separated from each other. The output device is designed in the relay embodiment shown as mounted in the insulating housing rotatable two-armed rocker element 6. For the storage of the rocker element 6 is in the middle of the partition 5 of the housing chambers 1 a, 1 b in the lower housing part 1, a bore 9 is provided. With a gripper arm 6a, the rocker element 6 engages a force application element 10 of a rocker armature 11 of the actuator assembly 3 and with the other gripper arm 6b a force application element 12 a contact spring 13 of the contact assembly 4. Both gripper arms 6a, 6b are equal, resulting in the same force-displacement ratios , But there are also other leverage ratios possible.
In der Figur 3 ist eine Aktorbaugruppe 3 in einer Explosionszeichnung näher ausgeführt. Ein U-förmiges Joch 14 ist mit seinen beiden Jochschenkeln einteilig aus Weicheisenblech gestanzt und gebogen. Auf den Mittelteil des Jochs 14 ist ein flacher Permanentmagnet 15 angeordnet, der seinerseits einen Weicheisenmittelschenkel 16 trägt. Auf diese Weise ergibt sich ein E-förmiger Magnetkern. Auf den äußeren Jochschenkeln sitzen getrennt ansteuerbare Erregerwicklungen 17, die von einem Isolierkörper 18 getragen werden. Die Isolierkörper 18 der Erregerwicklungen 17 sind mittels einer oder mehrerer Filmscharniere 19 verbundenen und können so in einem Arbeitsgang unter Herausführung der inneren Wicklungsenden gewickelt werden. Die inneren Wicklungsenden werden an einen der drei Anschlussstifte 7 gelötet, die äußeren getrennt an die anderen zwei Anschlussstifte 7. Auf dem Mittelschenkel 16 ist der leicht V-förmig ausgeformte Wippanker 11 schneidengelagert. Eine solche Ankerlagerung ist sehr reibungsarm und verbraucht demzufolge wenig Steuerenergie. Die Magnetkraft des extrem flachen Permanentmagneten 15 reicht aus, um alle vier magnetischen Bauteile 14, 15, 16 und 11 ohne sonstige Befestigungsmittel zu halten, abgesehen von einer seitlichen Führung des Wippankers am Isolierkörper 18. An einem Flügel des Wippankers 11 ist das Kraftangriffselement 10 für den Greiferarm 6a des zweiarmigen Wippelements 6 montiert oder angeformt. Je nach Schaltstellung des Wippankers 11 schließt oder trennt das Relais einen über die beiden Stromschienen 8a, 8b geführten Verbraucherstromkreis. FIG. 3 shows an actuator assembly 3 in an exploded view. A U-shaped yoke 14 is stamped with its two yoke legs in one piece from soft iron sheet and bent. On the middle part of the yoke 14, a flat permanent magnet 15 is arranged, which in turn carries a soft iron middle leg 16. In this way, results in an E-shaped magnetic core. On the outer yoke legs sit separately controllable excitation windings 17, which are supported by an insulating body 18. The insulating body 18 of the excitation windings 17 are connected by means of one or more film hinges 19 and can be wound in one operation, taking out the inner coil ends. The inner coil ends are soldered to one of the three pins 7, the outer separated to the other two pins 7. On the middle leg 16 of the slightly V-shaped shaped rocker arm 11 is cut-mounted. Such an armature bearing is very low friction and therefore consumes little control energy. The magnetic force of the extremely flat permanent magnet 15 is sufficient to hold all four magnetic components 14, 15, 16 and 11 without any other fastening means, apart from a lateral guidance of the rocker armature on the insulating body 18. On a wing of the rocker armature 11 is the force application element 10 for the gripper arm 6a of the two-armed rocker element 6 is mounted or formed. Depending on the switching position of the rocker armature 11, the relay closes or disconnects a load circuit guided via the two busbars 8a, 8b.
In Figur 4 ist die Aktorbaugruppe 3 nochmals im montierten Zustand dargestellt, wobei wie auch bei allen anderen Zeichnungen dieselben Bezugszeichen für funktionsgleiche Bauteile verwendet sind. Zu erkennen ist die besonders flache Bauweise der Aktorbaugruppe und die geringe Zahl der Bauteile. In Figure 4, the actuator assembly 3 is again shown in the assembled state, and as in all other drawings, the same reference numerals are used for functionally identical components. Evident is the particularly flat design of the actuator assembly and the small number of components.
Die Aktorbaugruppe 3 wird über die Anschlussstifte 7 nach einer bevorzugten Variante so angesteuert, dass zum Umschalten des Wippankers 11 von einer Schaltstellung in die andere der dauermagnetische Haltefluss durch den über den Wippanker 11 jeweils geschlossenen parallelen Magnetkreis bei einem von der Erregerwicklung 17 dieses Magnetkreises generierten elektromagnetischen Steuerfluss mit einer zum dauermagnetischen Haltefluss entgegengesetzter Richtung in den anderen parallelen Magnetkreis kommutiert, der die unerregte Erregerwicklung 17 trägt. Es wird also jeweils zum Umschalten diejenige Erregerwicklung 17 angesteuert, die im Magnetkreis mit dem angezogenen Ankerflügel des Wippankers 11 sitzt. Hierdurch verringert sich die Ansteuerenergie. Figur 5 zeigt eine Variante der Kontaktbaugruppe in einer Explosionsdarstellung. Dargestellt sind drei Lagen einer U-förmig gebogenen Kontaktfeder 13. Die drei Lagen unterschiedlicher Länge werden lediglich an ihren Enden miteinander mechanisch und elektrisch verbunden. Die kürzeren U-Schenkel sind mit ihren Enden an eine der Stromschienen 8a befestigt, die längeren Enden tragen einen bewegbaren Kontakt 20, der mit einem Festkontakt 21 auf der anderen Stromschiene 8b zusammenarbeitet. An die freien Enden der oberen und unteren Kontaktfederlage sind Kraftangriffselemente 12 in Form von ausgeschnittenen federnden Zungen angeformt, die für den Angriff einer Abtriebseinrichtung dienen. Nicht näher bezeichnete Ausformungen in den Stromschienen 8a, 8b greifen in entsprechende Ausformungen in der Gehäusekammer 1 b des Gehäuseunterteils 1 für einen Formschluss ein. Zusätzlich sind beide Enden der Stromschienen 8a, 8b für den Anschluss von Leitern gestaltet. The Aktorbaugruppe 3 is controlled via the pins 7 according to a preferred variant so that for switching the rocker armature 11 from one switching position to the other of the permanent magnetic holding flux through the rocker arm 11 each closed parallel magnetic circuit at one of the exciter winding 17 of this magnetic circuit generated electromagnetic Control flux commutated with a direction opposite to the permanent magnetic holding flux direction in the other parallel magnetic circuit which carries the unexcited field winding 17. It is therefore each driven to switch the excitation winding 17, which sits in the magnetic circuit with the attracted armature wing of the rocker armature 11. This reduces the drive energy. FIG. 5 shows a variant of the contact assembly in an exploded view. Shown are three layers of a U-shaped contact spring 13. The three layers of different lengths are only mechanically and electrically connected at their ends. The shorter U-legs are attached with their ends to one of the busbars 8a, the longer ends carry a movable contact 20 which cooperates with a fixed contact 21 on the other busbar 8b. At the free ends of the upper and lower contact spring position force application elements 12 are formed in the form of cut-out resilient tongues, which serve for the attack of a driven device. Unspecified formations in the busbars 8a, 8b engage in corresponding formations in the housing chamber 1 b of the lower housing part 1 for a positive connection. In addition, both ends of the bus bars 8a, 8b are designed for the connection of conductors.
In Figur 6 ist eine Kontaktbaugruppe 4 nochmals im zusammengebauten Zustand gezeichnet. Mit der U-förmigen Gestalt der Kontaktfeder 13 lässt sich trotz kurzer Baulänge und hoher erforderlicher Stromtragfähigkeit eine zum Aktor gut abgestimmte Kraft-Weg-Kennlinie erzielen. Unterstützt wird dieses Erfordernis durch die Mehrlagigkeit der Kontaktfeder 13, wobei es für eine Wärmeabfuhr, einen Längenausgleich von Fertigungstoleranzen, einen Längenausgleich bei Temperaturausdehnung der Lagen und die Flexibilität der Kontaktfeder 13 von Vorteil ist, wenn in der U-Biegezone sich die einzelnen Lagen selbstausrichtend auffächern. Auch kann vorgesehen sein, dass die einzelnen Lagen unterschiedliche Federungs- und Leitfähigkeitseigenschaften aufweisen. Aufgrund der U-förmigen Kontaktfeder 13 läuft der Strom durch die eng beieinander liegenden und parallelen Kontaktfederabschnitte der U- Schenkel in entgegengesetzter Richtung, wodurch die Kontakte 20, 21 im Falle eines Kurzschlussstromes in vorteilhafter Weise durch die auftretenden elektrodynamischen Kräfte auf die Kontaktfeder 13 verzögerungsarm aufgerissen werden. In Figure 6, a contact assembly 4 is drawn again in the assembled state. With the U-shaped shape of the contact spring 13 can be achieved in spite of a short length and high required current carrying capacity well matched to the actuator force-displacement curve. This requirement is supported by the multi-layered contact spring 13, wherein it is advantageous for a heat dissipation, a length compensation of manufacturing tolerances, a length compensation in temperature expansion of the layers and the flexibility of the contact spring 13, if in the U-bending zone, the individual layers fanned self-aligning , It can also be provided that the individual layers have different suspension and conductivity properties. Due to the U-shaped contact spring 13 of the current passes through the closely spaced and parallel contact spring portions of the U-legs in the opposite direction, whereby the contacts 20, 21 in the case of a short-circuit current in an advantageous manner by the occurring electrodynamic forces on the contact spring 13 are torn open delay.
Figur 7 zeigt eine weitere Relaisvariante. Das Relais ist mit Ausnahme des Aufsetzens der Gehäusekappe 2 bereits montiert. Der prinzipielle Aufbau entspricht dem der Grundbauform gemäß Figur 1. Im Unterschied zu den Figuren 1 , 2, 5 und 6 ist jedoch eine Variante einer Kontaktbaugruppe 4 mit zwei Kontakten 20 auf der Kontaktfeder 13 und zwei Festkontakten 21 auf der Stromschiene 8b dargestellt. Mit zwei Kontakten für einen Schaltpol wird der Übergangswiderstand zwischen den Kontakten 20, 21 halbiert, was sich günstig auf die Erwärmung, den Eigenenergieverbrauch und die Lebensdauer des Kontaktsystems auswirkt. Die mehrlagige Kontaktfeder 13 ist an ihrem Kontakte tragenden Ende geschlitzt, so dass jeder der beiden bewegbaren Kontakte 20 für sich federnd beweglich ist und etwaige Fertigungstoleranzen zu den Festkontakten 21 ausgleichen kann. Außerdem sinkt die Prellneigung und damit der Kontaktabbrand. Die Abmessungen der beiden Gehäusekammern 1a, 1 b haben sich nicht gegenüber den Abmessungen zu Figur 1 geändert. Im Drehlager 9 in Höhe der Trennwand 5 ist das zweiarmige Wippelement 6 als Abtriebseinrichtung gelagert. FIG. 7 shows a further relay variant. The relay is already mounted with the exception of placing the housing cap 2. In contrast to the figures 1, 2, 5 and 6, however, a variant of a contact assembly 4 with two contacts 20 on the contact spring 13 and two fixed contacts 21 on the busbar 8b is shown. With two contacts for a switching pole of the contact resistance between the contacts 20, 21 is halved, which has a favorable effect on the heating, the own energy consumption and the life of the contact system. The multi-layer contact spring 13 is slotted at its end bearing contacts, so that each of the two movable contacts 20 is resiliently movable for itself and can compensate for any manufacturing tolerances to the fixed contacts 21. In addition, the bounce and thus the contact erosion decreases. The dimensions of the two housing chambers 1a, 1b have not changed with respect to the dimensions of FIG. In the pivot bearing 9 in height of the partition 5, the two-armed rocker element 6 is mounted as a driven device.
In Figur 8 ist eine weitere Relaisvariante dargestellt. Sie enthält eine weit ausholende dreilagige U-förmig gebogene Kontaktfeder 13, die über eine größere Länge in zwei Federarme längsgeschlitzt ist. Die Lagen sind wiederum beidendig miteinander verbunden. Der kürzere U-Schenkel der Kontaktfeder 13 ist mit seinem Ende an einer Stromschiene 8a befestigt, der längere Ii- Schenkel der Kontaktfeder 13 trägt jeweils an den Enden seiner Federarme einen bewegbaren Kontakt 20. Diese bewegbaren Kontakte 20 arbeiten mit Festkontakten 21 zusammen, die auf der zweiten Stromschiene 8b angebracht sind. Die Kontakte 20, 21 liegen im Gegensatz zu den vorherigen Kontaktbaugruppen auf der anderen Schaltseite, die dem U-Bogen abgewandt ist. Hierzu ist die Stromschiene 8b, die die Festkontakte 21 trägt, in der Gehäusekammer 1 b für die Kontaktbaugruppe 4 abgekröpft. In der gezeigten Schließstellung der Kontakte 20, 21 fließt ein Strom über die erste Stromschiene 8a, den kürzeren U-Schenkel der Kontaktfeder 13, die U- Biegezone der Kontaktfeder 13, den längeren U-Schenkel der Kontaktfeder 13, die Kontakte 20, 21 zur zweiten Stromschiene 8b. Mit der U-förmigen Gestalt der Kontaktfeder 13 lässt sich trotz ihrer relativ kurzen Baulänge und der hohen erforderlichen Stromtragfähigkeit eine zum Aktor gut abgestimmte Kraft- Weg-Kennlinie erreichen. Unterstützt wird dieses Erfordernis durch die Mehrlagigkeit der Kontaktfeder 13, wobei es für eine Wärmeabfuhr und Flexibilität für die Kontaktfeder 13 von Vorteil ist, dass sich die einzelnen Lagen der Kontaktfeder 13 in der U-Biegezone aufgrund ihrer unterschiedlichen Längen auffächern. Auch kann wieder vorgesehen sein, dass die einzelnen Lagen unterschiedliche Federungs- und Leitfähigkeitseigenschaften aufweisen. Aufgrund der U-förmigen Kontaktfeder 13 läuft der Strom durch die parallelen und eng nebeneinander liegenden U-Schenkel in entgegengesetzter Richtung. In der Schließstellung der Kontakte 20, 21 werden bei hohen Strömen die Kontakte 20, 21 in vorteilhafter Weise durch die auftretenden elektrodynamischen Kräfte auf die Kontaktfeder 13 zusätzlich zur Kontaktkraft aufeinander gepresst. Zur Betätigung der Kontaktfeder 13 über die Aktorbaugruppe 3 dient wiederum ein zweiarmiges Wippelement 6. FIG. 8 shows a further relay variant. It contains a far-reaching three-layered U-shaped bent contact spring 13, which is longitudinally slotted over a greater length in two spring arms. The layers are in turn connected at both ends. The shorter U-leg of the contact spring 13 is fixed with its end to a busbar 8a, the longer Ii leg of the contact spring 13 carries at the ends of its spring arms a movable contact 20. These movable contacts 20 cooperate with fixed contacts 21 on the second busbar 8b are mounted. The contacts 20, 21 are in contrast to the previous ones Contact assemblies on the other switching side, which faces away from the U-bend. For this purpose, the busbar 8b, which carries the fixed contacts 21, bent in the housing chamber 1 b for the contact assembly 4. In the closed position of the contacts 20, 21 shown, a current flows through the first busbar 8a, the shorter U-leg of the contact spring 13, the U-bending zone of the contact spring 13, the longer U-leg of the contact spring 13, the contacts 20, 21 for second busbar 8b. With the U-shaped shape of the contact spring 13 can be achieved in spite of their relatively short length and the high current carrying capacity required for the actuator well-tuned force-displacement curve. This requirement is supported by the multi-layered contact spring 13, wherein it is advantageous for heat dissipation and flexibility for the contact spring 13 that the individual layers of the contact spring 13 fan out in the U-bend zone due to their different lengths. It can also be provided again that the individual layers have different suspension and conductivity properties. Due to the U-shaped contact spring 13, the current passes through the parallel and closely juxtaposed U-legs in the opposite direction. In the closed position of the contacts 20, 21, the contacts 20, 21 are pressed in an advantageous manner by the occurring electrodynamic forces on the contact spring 13 in addition to the contact force at high currents. For actuating the contact spring 13 via the actuator assembly 3, in turn, a two-armed rocker element 6 is used.
Während in den Figuren 1 , 2, 7 und 8 Relaisvarianten beschrieben wurden, bei denen die Aktorbaugruppe 3 und die Kontaktbaugruppe 4 in einer Ebene im Isolierstoffgehäuse angeordnet sind, also nebeneinander in den Gehäusekammern 1a, 1 b des Gehäuseunterteils 1 , legt Figur 9 eine weitere Relaisvariante dar, bei der die Aktorbaugruppe 3 oberhalb der Kontaktbaugruppe 4 im Isolierstoffgehäuse 1 angeordnet ist. Die Baugruppen 3, 4 selbst haben prinzipiell denselben Aufbau und dieselbe Größe im Vergleich zu den vorherigen Baugruppen. Allerdings sind in diesem Beispiel die Stromschienen 8a, 8b im rechten Winkel aus dem Isolierstoffgehäuse herausgeführt. Auch die Gehäusekammern 22a, 22b haben dieselben Abmessungen. Das Isolierstoffgehäuse 22 ist jedoch nunmehr nicht mehr im Grundriss quadratisch, sondern rechteckig und die nicht näher dargestellte Gehäusekappe L-förmig. Das Isolierstoffgehäuse ist doppelt so hoch und dafür halb so breit wie das Isolierstoffgehäuse mit quadratischem Grundriss. In die untere Gehäusekammer 22b ist die Kontaktbaugruppe 4 eingeschoben. In die obere Gehäusekammer 22a ist die Aktorbaugruppe 3 eingesetzt. Die Abtriebseinrichtung besteht aus einem Schieber 23, der auf einer Schmalseite durch Konturen des Gehäuseunterteils 22b geführt ist. Der Schieber 23 besitzt beidseitig Greiferarme 23a, 23b, welche wiederum einerseits ein Kraftangriffselement 10 eines Wippankers 11 der Aktorbaugruppe 3 und andererseits ein Kraftangriffselement 12 einer Kontaktfeder 13 der Kontaktbaugruppe 4 angreifen. Als weitere Besonderheit ist jede Erregerwicklungen 17 an ein Paar von Anschlussstiften 7 geführt. While relay variants have been described in FIGS. 1, 2, 7 and 8, in which the actuator subassembly 3 and the contact subassembly 4 are arranged in one plane in the insulating housing, ie side by side in the housing chambers 1a, 1b of the housing subassembly 1, FIG Relay variant is, in which the actuator assembly 3 is disposed above the contact assembly 4 in the insulating 1. The assemblies 3, 4 themselves have in principle the same structure and the same size compared to the previous modules. However, in this example, the busbars 8a, 8b led out of the insulating material at right angles. The housing chambers 22a, 22b have the same dimensions. However, the Isolierstoffgehäuse 22 is now no longer square in plan, but rectangular and the housing cap not shown in detail L-shaped. The insulating housing is twice as high and half as wide as the insulating square-section housing. In the lower housing chamber 22b, the contact assembly 4 is inserted. In the upper housing chamber 22a, the actuator assembly 3 is inserted. The output device consists of a slide 23 which is guided on a narrow side by contours of the lower housing part 22b. The slider 23 has on both sides gripper arms 23a, 23b, which in turn on the one hand a force application element 10 of a rocker armature 11 of the actuator assembly 3 and on the other hand a force application element 12 of a contact spring 13 of the contact assembly 4 attack. As another feature, each field winding 17 is guided to a pair of pins 7.
Die Zusammenstellungszeichnung mit den Figuren 10 a) bis 10 e) zeigt rein schematisch einige Varianten eines Relaisaufbau, wobei nach Figur 10 a) bis Figur 10 d) die Gehäusekammer 1a für die Aktorbaugruppe mit der Gehäusekammer 1 b für die Kontaktbaugruppe jeweils in einer Ebene nebeneinander in einem Isolierstoffgehäuse liegen und gemäß Fig. 10 e) in zwei Ebenen übereinander. Die Stromschienen 8a, 8b sind in den Beispielen in allen Varianten parallel zueinander herausgeführt. Bevorzugt sind die Relaisanordnungen nach den Figuren 1 a) und 1 e) aufgrund ihrer kompakten Bauweise. Lassen es jedoch die Einbauvorgaben nicht anders zu, kann ohne weiteres eine Relaisbauart nach den Figuren 10 b) bis 10 d) Anwendung finden. Je nach Anforderung der einzelnen Varianten können als Abtriebseinrichtungen Wippen, Schieber, Hebel, Stifte usw. eingesetzt sein und die Stromschienen 8a, 8b flach, hochkant, parallel oder im Winkel zueinander stehen. Für Sondereinsatzfälle lassen sich Relais mit einer Aktorbaugruppe und mehr als einer Kontaktbaugruppe bauen. Zum Beispiel lassen sich in Anlehnung nach Figur 10 e) Relais mit zwei Kontaktbaugruppen übereinander konfigurieren oder in Anlehnung nach Figur 10 a) Relais mit beiderseits einer Aktorbaugruppe angeordneten Kontaktbaugruppen. Dabei kann zum Beispiel die Aktorbaugruppe eine Schließer-Kontaktbaugruppe und eine Öffner-Kontaktbaugruppe betätigen. Auch kann eine Umschaltkontaktbaugruppe konfiguriert werden, indem beiderseits der Kontaktfeder sich ein bewegbarer Kontakt befindet, der jeweils mit einem Festkontakt zusammenarbeitet. In diesem Fall führen drei Stromschienen aus dem Isolierstoffgehäuse. The assembly drawing with the figures 10 a) to 10 e) shows purely schematically some variants of a relay structure, wherein according to Figure 10 a) to Figure 10 d) the housing chamber 1a for the actuator assembly with the housing chamber 1 b for the contact assembly in each case in a plane next to each other lie in an insulating material and as shown in FIG. 10 e) in two planes one above the other. The busbars 8a, 8b are led out in the examples in all variants parallel to each other. Preferably, the relay arrangements according to the figures 1 a) and 1 e) due to their compact design. However, if the installation specifications are not different, a relay design according to FIGS. 10 b) to 10 d) can be used without further ado. Depending on the requirements of the individual variants, rockers, slides, levers, pins, etc., can be used as output devices and the busbars 8a, 8b flat, edgewise, parallel or at an angle to stand by each other. For special applications, relays with an actuator assembly and more than one contact module can be built. For example, on the basis of FIG. 10 e) relays with two contact modules can be configured one above the other or, according to FIG. 10 a), relays having contact assemblies arranged on either side of an actuator assembly. In this case, for example, the Aktorbaugruppe actuate a normally open contact assembly and a normally closed contact assembly. Also, a changeover contact assembly can be configured by having a movable contact on either side of the contact spring, each cooperating with a fixed contact. In this case, three busbars lead out of the insulating material housing.
LISTE DER BEZUGSZEICHEN LIST OF REFERENCE SIGNS
1 Quadratisches Gehäuseunterteil 1 square housing base
1 a Gehäusekammer für Aktorbaugruppe 1 b Gehäusekammer für Kontaktbaugruppe 1 a Housing chamber for actuator assembly 1 b Housing chamber for contact module
2 Quadratische Gehäusekappe 2 Square housing cap
3 Aktorbaugruppe  3 actuator assembly
4 Kontaktbaugruppe  4 contact module
5 Zwischenwand  5 partition
6 Zweiarmiges Wippelement als Abtriebseinrichtung 6a Greiferarm  6 Two-armed rocker element as output device 6a Gripper arm
6b Greiferarm  6b gripper arm
7 Anschlussstifte  7 pins
8a Stromschiene  8a power rail
8b Stromschiene mit Festkontakt  8b Busbar with fixed contact
9 Drehlager im Gehäuseunterteil  9 pivot bearing in the lower housing part
10 Kraftangriffselement am Wippanker  10 force application element on the rocker armature
1 Wippanker  1 rocker anchor
12 Kraftangriffselement an der Kontaktfeder  12 force application element on the contact spring
13 Kontaktfeder  13 contact spring
14 U-förmiges Weicheisenjoch  14 U-shaped soft iron yoke
15 Permanentmagnet  15 permanent magnet
16 Mittelschenkel  16 middle thighs
17 Erregerwicklungen 17 excitation windings
8 Isolierkörper  8 insulating body
19 Filmscharnier  19 movie hinge
20 Bewegbarer Kontakt Festkontakt 20 Movable contact fixed contact
Rechteckiges Gehäuseunterteil Rectangular housing base
22a obere Gehäusekammer für die Aktorbaugruppe 22b untere Gehäusekammer für die Kontaktbaugruppe Schieber als Abtriebseinrichtung  22a upper housing chamber for the actuator assembly 22b lower housing chamber for the contact assembly slide as output device
23a oberer Greiferarm am Schieber 23a upper gripper arm on the slide
23b unterer Greiferarm am Schieber 23b lower gripper arm on the slide

Claims

PATENTANSPRÜCHE
1. Bistabiles Kleinrelais großer Leistung, aufweisend ein Isolierstoffgehäuse mit einer ersten Gehäusekammer, in der eine einphasige Kontaktbaugruppe mit zwei Stromschienen und einer Kontaktfeder angeordnet ist, wobei die Kontaktfeder mit einem Schenkelende fest an eine der Stromschienen angeschlossen ist und mit ihrem anderen freien mindestens einen beweglichen Kontakt tragenden Schenkelende auf mindestens einen Festkontakt arbeitet, der auf der zweiten Stromschiene sitzt, und wobei in einer zweiten Gehäusekammer eine bistabile magnetische Aktorbaugruppe mit einem verschwenkbaren Anker angeordnet ist, welcher über eine im Gehäuse angeordnete Abtriebseinrichtung die Kontaktfeder auslenkt, um einen Stromkreis über die Stromschienen zu schließen oder zu unterbrechen, dadurch gekennzeichnet, dass die Kontaktbaugruppe (4) und die Aktorbaugruppe (3) in einer oder in zwei Ebenen im Isolierstoffgehäuse angeordnet sind, dass die Kontaktbaugruppe (4) eine zu einer die elektrodynamischen Stromkräfte nutzenden Stromschleife U-förmig gebogene mehrlagige Kontaktfeder (13) aufweist und die Aktorbaugruppe (3) ein einteiliges U-förmiges Joch (14) mit mindestens einer Erregerwicklung (17) je Jochschenkel sowie einen von einem flachen Permanentmagnet (15) getragenen Jochmittelschenkel (16) aufweist, auf dem ein leicht V-förmig ausgeformter Wippanker (11 ) gelagert ist. 1. A bistable small relay high performance, comprising a Isolierstoffgehäuse with a first housing chamber in which a single-phase contact assembly with two busbars and a contact spring is arranged, wherein the contact spring is connected with one leg end fixed to one of the busbars and with its other free at least one movable Contact supporting leg end operates on at least one fixed contact, which sits on the second busbar, and wherein in a second housing chamber, a bistable magnetic actuator assembly is arranged with a pivotable armature, which deflects the contact spring via an output device arranged in the housing to a circuit over the busbars to close or to interrupt, characterized in that the contact assembly (4) and the actuator assembly (3) are arranged in one or two levels in Isolierstoffgehäuse that the contact assembly (4) to a the electrodynamic n current-carrying current loop U-shaped bent multi-layer contact spring (13) and the Aktorbaugruppe (3) has a one-piece U-shaped yoke (14) with at least one field winding (17) each yoke leg and one of a flat permanent magnet (15) carried Jochmittelschenkel ( 16), on which a slightly V-shaped shaped rocker armature (11) is mounted.
2. Bistabiles Kleinrelais nach Anspruch , dadurch gekennzeichnet, dass die beiden innerhalb des Isolierstoffgehäuses vorgesehenen Gehäusekammern (1a, 1 b; 22a, 22b) für die Kontaktbaugruppe (4) und die Aktorbaugruppe (3) dieselben Grundabmessungen in Länge, Breite und Höhe haben. 2. Bistable small relay according to claim, characterized in that the two provided within the insulating housing housing chambers (1 a, 1 b, 22 a, 22 b) for the contact assembly (4) and the actuator assembly (3) have the same basic dimensions in length, width and height.
3. Bistabiles Kleinrelais nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Gehäusekammer (22a) für die Aktorbaugruppe (3) in einer Ebene oberhalb der Gehäusekammer (22b) für die Kontaktbaugruppe (4) im Isolierstoffgehäuse angeordnet ist und die Abtriebseinrichtung als ein vom Wippanker (11 ) der Aktorbaugruppe (3) betätigter und im Isolierstoffgehäuse über beide Gehäusekammern (22a, 22b) translatorisch geführter Schieber (23) gebildet ist, die das freie Ende der Kontaktfeder (13) auslenkt. 3. Bistable small relay according to claim 1 or 2, characterized in that the housing chamber (22 a) for the Aktorbaugruppe (3) in a plane above the housing chamber (22 b) for the contact assembly (4) is arranged in the insulating housing and the output device as a from Rocker armature (11) of the actuator assembly (3) actuated and in the insulating housing over both housing chambers (22a, 22b) translationally guided slide (23) is formed, which deflects the free end of the contact spring (13).
4. Bistabiles Kleinrelais nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die Gehäusekammer (1a) für die Aktorbaugruppe (3) seitlich neben der Gehäusekammer (1 b) für die Kontaktbaugruppe (4) im Isolierstoffgehäuse angeordnet ist und die Abtriebseinrichtung als ein vom Wippanker (11 ) der Aktorbaugruppe (3) betätigtes und im Isolierstoffgehäuse gelagertes zweiarmiges Wipphebelelement (6) ausgebildet ist, das das freie Ende der Kontaktfeder (13) auslenkt. 4. Bistable small relay according to claim 1 or 2, characterized in that the housing chamber (1a) for the Aktorbaugruppe (3) laterally adjacent to the housing chamber (1 b) for the contact assembly (4) is arranged in the insulating housing and the output device as one of the rocker armature (11) of the Aktorbaugruppe (3) actuated and stored in the insulating housing two-armed rocker lever element (6) is formed, which deflects the free end of the contact spring (13).
5. Bistabiles Kleinrelais nach Anspruch 1 , dadurch gekennzeichnet, dass die mehrlagige Kontaktfeder (13) über mindestens einen Teilbereich ihrer freien Länge in zwei Federarme längsgeschlitzt ist und jeder Federarm endseitig ein bewegbares Kontaktstück (20) für einen korrespondierendes Festkontakt (21 ) trägt. 5. Bistable small relay according to claim 1, characterized in that the multilayer contact spring (13) is longitudinally slotted over at least a portion of its free length in two spring arms and each spring arm end carries a movable contact piece (20) for a corresponding fixed contact (21).
6. Bistabiles Kleinrelais nach Anspruch 1 oder 5, dadurch gekennzeichnet, dass die Kontaktfederlagen im Bereich ihrer U- Biegezone aufgefächert sind. 6. Bistable small relay according to claim 1 or 5, characterized in that the contact spring layers are fanned out in the region of their U-bending zone.
7. Bistabiles Kleinrelais nach Anspruch 1 , 5 oder 6, dadurch gekennzeichnet, dass mindestens eine Kontaktfederlage höhere Federungseigenschaften gegenüber mindestens einer anderen Kontaktfederlage höherer Stromtragfähigkeit aufweist. 7. Bistable miniature relay according to claim 1, 5 or 6, characterized in that at least one contact spring layer has higher suspension properties compared to at least one other contact spring position higher current carrying capacity.
8. Bistabiles Kleinrelais nach einem der vorstehenden Ansprüche, dadurch gekennzeichnet, dass der mindestens eine bewegbare Kontakt (20) auf der Innen- oder auf der Außenseite des Kontaktfederendes der Kontaktfeder (13) sitzt und die Stromschiene (8b) mit ihrem mindestens einen korrespondierenden Festkontakt (21 ) entsprechend zugeordnet in der Gehäusekammer (1 b; 22b) der Kontaktbaugrupe (4) gelagert ist. 8. Bistable small relay according to one of the preceding claims, characterized in that the at least one movable contact (20) on the inside or on the outside of the contact spring end of the contact spring (13) sits and the busbar (8b) with its at least one corresponding fixed contact (21) correspondingly assigned in the housing chamber (1 b, 22b) of the contact assembly (4) is mounted.
9. Bistabiles Kleinrelais nach Anspruch 1 , dadurch gekennzeichnet, dass zum Umschalten diejenige Erregerwicklung (17) in dem über den Wippanker (11 ) geschlossenen Magnetzweig mit einem solchen Gleichspannungsimpuls beaufschlagt wird, dass ein elektromagnetischer Verdrängungsfluss entgegen dem dauermagnetischen Fluss in diesem Magnetzweig erzeugbar ist. 9. Bistable small relay according to claim 1, characterized in that for switching that excitation winding (17) in which via the rocker armature (11) closed magnetic branch is subjected to such a DC pulse, that an electromagnetic displacement flow against the permanent magnetic flux in this magnetic branch can be generated.
10. Bistabiles Kleinrelais nach Anspruch 1 , dadurch gekennzeichnet, dass zusätzlich zu den auf beiden Jochschenkeln der Aktorbaugruppe (3) angeordneten Erregerwicklungen (17) eine weitere Erregerwicklung auf demjenigen Jochschenkel angeordnet ist, zu dessen Seite der Wippanker (11 ) eine höhere Umschaltkraft aufbringen muss. 10. Bistable small relay according to claim 1, characterized in that in addition to the on both yoke legs of the actuator assembly (3) arranged excitation windings (17) has a further field winding is arranged on that yoke leg, to the side of the rocker armature (11) has to apply a higher switching force.
EP11724942.5A 2010-04-21 2011-04-11 Small bistable high-performance relay Active EP2561530B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102010017872A DE102010017872B4 (en) 2010-04-21 2010-04-21 Bistable small relay of high performance
PCT/DE2011/000395 WO2011131168A1 (en) 2010-04-21 2011-04-11 Small bistable high-performance relay

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EP2561530A1 true EP2561530A1 (en) 2013-02-27
EP2561530B1 EP2561530B1 (en) 2014-02-12

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US (1) US9053885B2 (en)
EP (1) EP2561530B1 (en)
CN (1) CN102870180B (en)
BR (1) BR112013007456A2 (en)
DE (1) DE102010017872B4 (en)
ES (1) ES2456915T3 (en)
RU (1) RU2524373C2 (en)
WO (1) WO2011131168A1 (en)

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Also Published As

Publication number Publication date
ES2456915T3 (en) 2014-04-24
WO2011131168A1 (en) 2011-10-27
DE102010017872A1 (en) 2011-10-27
US9053885B2 (en) 2015-06-09
CN102870180B (en) 2015-11-25
RU2012140394A (en) 2014-05-27
CN102870180A (en) 2013-01-09
BR112013007456A2 (en) 2022-08-02
EP2561530B1 (en) 2014-02-12
RU2524373C2 (en) 2014-07-27
US20130093544A1 (en) 2013-04-18
DE102010017872B4 (en) 2012-06-06

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