EP2764526B1 - Schaltgeräteauslöseeinrichtung - Google Patents

Schaltgeräteauslöseeinrichtung Download PDF

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Publication number
EP2764526B1
EP2764526B1 EP12798193.4A EP12798193A EP2764526B1 EP 2764526 B1 EP2764526 B1 EP 2764526B1 EP 12798193 A EP12798193 A EP 12798193A EP 2764526 B1 EP2764526 B1 EP 2764526B1
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EP
European Patent Office
Prior art keywords
pawl
tripping
triggering means
switching
triggering
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP12798193.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP2764526A1 (de
Inventor
Thomas Hilker
Oliver DUWE
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.)
Siemens AG
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Siemens AG
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Filing date
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Publication of EP2764526A1 publication Critical patent/EP2764526A1/de
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Publication of EP2764526B1 publication Critical patent/EP2764526B1/de
Active legal-status Critical Current
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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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/2463—Electromagnetic mechanisms with plunger type armatures
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/28—Electromagnetic mechanisms with windings acting in conjunction
    • 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
    • H01H2009/0083—Details of switching devices, not covered by groups H01H1/00 - H01H7/00 using redundant components, e.g. two pressure tubes for pressure switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/30—Power arrangements internal to the switch for operating the driving mechanism using spring motor
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • 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
    • H01H71/10—Operating or release mechanisms
    • H01H71/12—Automatic release mechanisms with or without manual release
    • H01H71/24—Electromagnetic mechanisms
    • H01H71/34—Electromagnetic mechanisms having two or more armatures controlled by a common winding
    • H01H71/345—Electromagnetic mechanisms having two or more armatures controlled by a common winding having a delayed movable core and a movable armature
    • 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
    • H01H9/54—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere
    • H01H9/56—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle
    • H01H9/563—Circuit arrangements not adapted to a particular application of the switching device and for which no provision exists elsewhere for ensuring operation of the switch at a predetermined point in the ac cycle for multipolar switches, e.g. different timing for different phases, selecting phase with first zero-crossing

Definitions

  • the invention relates to a switching device tripping device for a switching device with relatively movable contact pieces, comprising a gear arrangement for generating a relative movement between the contact pieces with a pawl and with a to actuate the pawl against the pawl movable release means.
  • Such a switching device tripping device is for example from the utility model DE 297 15 900 U1 known.
  • the local switching device trip device provides to use a gear assembly for operating a switching device with relatively movable contact pieces, wherein the gear assembly has a pawl and a movable release means is used to operate the pawl.
  • the known switching device triggering device has for a switching device with a plurality of switching poles for each switching pole in each case a pawl and an associated release means. Thus, it is possible to synchronize the release means with each other and to trigger the plurality of switching poles approximately at the same time or to set a desired time offset of a triggering of switching movements at the individual switching poles of the switching device.
  • An electrical switching device is, for example, a circuit breaker which serves to interrupt or establish a current path between two current path sections.
  • a switching device has, for example, relatively movable contact pieces.
  • For interrupting or for producing a current path a relative movement between the contact pieces is to be generated.
  • the two contact pieces approach each other and finally a galvanic contacting thereof takes place, so that a closed current path is formed.
  • a removal of the two relatively movable contact pieces from each other is provided when opening a current path, so that finally a galvanic separation thereof takes place. Accordingly, a separation point is formed in the current path and the current path is interrupted.
  • the electrical switching device can be carried out unipolar or multipolar.
  • a single-pole switching device is set up to switch a single current path.
  • a multi-pole switching device has several switching poles.
  • a multi-pole switching device can be used to switch several current paths of a multi-phase electric power transmission network. Accordingly, switching movements of the individual switching poles of a multi-pole switching device are timed to each other.
  • switching on or off of the switching device is connected to one another with comparatively rapid relative movements of the contact pieces. This may need to be retrievable within a few milliseconds to quickly perform a switching operation.
  • storage devices are used which can be charged for a relatively long period of time.
  • the energy stored in the memory device can be delivered within a shorter period of time than charging the memory device takes up.
  • mechanical memory such as spring memory, which have at least one memory spring, which is tensioned for charging and can be relaxed suddenly to produce a relative movement of the switching contact pieces.
  • Memory springs can be used in various designs. For example, coil springs, coil springs, bar springs, gas springs, etc. can be used.
  • a tensioning of the storage spring or a release of the storage spring can be carried out by a gear arrangement.
  • the storage spring is part of the gear arrangement, wherein the energy taken from the storage spring during relaxation is converted into a movement of a movable contact piece or a plurality of movable contact pieces.
  • the gear assembly is further equipped with a pawl, which holds the storage spring in the tensioned state or blocks.
  • a pawl may include a mechanism that allows a tensioned spring to lock, with a small amount of energy being required to release the tensioned spring.
  • the pawl a multi-part mechanism such. B. have a toggle construction, which is brought by a trigger means for burglary.
  • the pawl is movable by a trigger means, wherein the tensioned memory spring is released by a movement of the pawl.
  • movement of a triggering means should include a switch-off movement, i. H. cause a separation of the relatively movable contact pieces.
  • first and a second release means which are movable against the same pawl or the same Drive pawl, so it is possible to increase the reliability of the switching device tripping device. Even in the event of a fault on one of the triggering means, it is possible for the remaining triggering means to cause only movement of the pawl.
  • the two triggering means are designed such that each of the triggering means alone can apply sufficient energy to move the pawl and subsequently release an energy stored in a memory device.
  • the two release devices should be mechanically connected in parallel.
  • a further advantageous embodiment can provide that the release means are each mounted linearly displaceable.
  • Slidable mounting of the release means allows space-saving designs to be selected to position the release means within the gear assembly.
  • a linearly displaceable mounting a completed in the direction of the displacement axis of the trigger means stroke can be delivered to the pawl in a simple manner.
  • This makes it possible to control the pawl directly and directly by the two trigger means and so to dispense with intermediate modules of a kinematic chain.
  • an increased reliability of the operation is achieved.
  • a direct driving of the pawl on the trigger means and an indirect or indirect drive of the pawl can be provided on the release means.
  • a movement of a triggering means can be conducted via a kinematic chain.
  • an immediate spatial proximity of release means and pawl is not essential.
  • parts of a kinematic chain for example, levers, plungers, bolts, gears, racks, chain hoists, cables, etc. can be used.
  • a further advantageous embodiment can provide that the first triggering means are driven via a first drive means and the second trigger means via a second drive means.
  • first drive device and a second drive device for each one of the release means has the advantage that regardless of the state of the one triggering means, the other release means can remain operable.
  • the drive devices should independently develop their force effects.
  • electrodynamic drives, pneumatic drives, hydraulic drives, etc. which are capable of initiating a movement of the triggering means in response to a drive signal, are suitable as a drive device.
  • Electrodynamic drives have proven to be advantageous, since they can exert high actuating forces on the triggering means in compact designs.
  • a control of an electrodynamic drive is comparatively easy.
  • the drive devices can be controlled by one and the same control device. However, it can also be provided that independently operating control devices in each case control the first drive device or the second drive device.
  • control of the two drive means takes place as possible at the same time. This can be achieved, in particular, by providing a common control device for both drive devices, so that the same pulses can be used to drive the first and second drive devices.
  • two control devices operating according to different criteria are used which, for example, operate according to different algorithms and thus additionally reduce a malfunction of a switching device triggering device.
  • first and the second drive means independently exert a force on the respective associated release means.
  • each of the triggering means acts independently on the respective triggering means, then it is possible for each of the triggering means to exert a force on the pawl independently of the other triggering means.
  • the pawl of each of the trigger means regardless of the operating state of the other triggering means or its associated drive means, cause a movement of the pawl.
  • a further advantageous embodiment can provide that the second release means with the interposition of the first triggering means against the locking pawl is movable.
  • the switching device drive device is set up such that the second triggering means can be moved against the locking pawl with the first triggering means being interposed, then, for example, a space-saving solution for the switching device tripping device can be found.
  • the two release devices are connected mechanically in series. Characterized in that the second triggering means is movable with the interposition of the first triggering means against the locking pawl, the first triggering means is part of a kinematic chain which serves a force and motion transmission from the second triggering means to the pawl.
  • a driving force can also be coupled in the course of the kinematic chain in the kinematic chain via the first drive means.
  • the force effects of both trigger means can overlap each other to increase the force on the pawl.
  • the second triggering means helps to overcome a breakaway torque of the first triggering means.
  • the transmission device or the release means are blocked in their bearings.
  • greases and oils can harden, metal parts can corrode and bearings become so stiff.
  • axes of movement of the first and second triggering means are aligned parallel, in particular coaxially with one another.
  • the triggering means should be aligned as parallel as possible, in particular coaxially with one another.
  • a parallelism makes it possible to act force acting in the direction of the axes of movement of the two trigger means similar to the locking pawl, so that mechanically simple locking pawls can be constructed, on the one hand can muster large holding forces for a tensioned storage spring and on the other hand can release the storage spring by smaller actuating forces.
  • the release means may be designed substantially bolt-shaped, wherein the bolts are axially aligned one behind the other and a bolt against the other bolt in the axial direction can be driven.
  • the second triggering means is guided on the first triggering means.
  • the first triggering means may comprise a groove or a recess on which the second triggering means is supported or on which the second triggering means is guided.
  • the second triggering means projects into a recess of the first triggering means.
  • a recess for example a socket on the first triggering means makes it possible for the second triggering means, for example, to be able to pass through the recess in a positionally variable manner.
  • the recess can also serve to guide the triggering means to one another, in particular to support or support the second triggering means on the first triggering means.
  • the second release means may be rotatably and / or displaceably mounted in the recess, in particular a bushing.
  • the first triggering means which in turn is supported on a bearing device can be used to guide the second triggering means at least partially, so that a separate storage device for the second triggering means designed at least simplified or can be completely dispensed with this.
  • the recess allows a linear movement of the second triggering means, so that when two linearly displaceable release means are used both are guided parallel to one another, in particular coaxially with one another.
  • the first triggering means is a rotationally symmetrical body and the recess passes through the first triggering means coaxially with the axis of rotation.
  • the first release means surrounds the second release means at least partially hollow cylindrical.
  • the first triggering means may be at least partially hollow cylindrical, wherein the hollow cylindrical executed portion of the first triggering means surrounds the second triggering means. By embracing a recess is formed, which, for example, the leadership of the second triggering means serves.
  • the first release means may be at least partially hollow cylindrical, wherein the wall thickness in the hollow cylindrical portion of the first triggering means may be designed differently.
  • the hollow cylindrical portion may have, for example, an annular cross section, a rectangular, oval, polygonal, etc. cross section.
  • the first triggering means as well as the second triggering means should be rotationally symmetrical.
  • At least one of the release means is arranged as an armature on a drive element designed as a plunger coil.
  • a drive element serves to cause a movement of a triggering means.
  • the drive element thus converts an energy form into kinetic energy.
  • electrodynamic drives have been shown for the conversion of electrical energy into mechanical energy, since they are well controllable or controllable.
  • the use of a plunger coil as a drive element makes it possible to directly impart a linear motion to the triggering means designed as an armature.
  • the armature may for example be mounted linearly displaceable along an axis, wherein the armature dips into the plunger coil and is moved out of the plunger coil. Restoring forces may be generated, for example, by return springs, gravity, etc., to return the armature to a rest position.
  • the triggering means designed as an armature
  • it Upon actuation of the triggering means designed as an armature, it is moved out of its rest position in order to bring about a movement or release of the pawl.
  • the anchor is moved indirectly or directly against a force introduction point of the pawl. After the release of the pawl is a return movement of the triggering means in its rest position.
  • FIGS. 1 . 2 . 3 and 5 the illustrated Vintage extract a switching device tripping device are each exemplified with different gear arrangements.
  • the gear arrangements are schematic and only exemplified.
  • the gear arrangements shown in the figures and elements thereof are interchangeable. In the figures, equivalent components are therefore provided with the same reference numerals.
  • alternative design variants of a gear arrangement can be used.
  • the figures are to serve with the gear arrangements shown there a simplified understanding of the effectiveness or use of a switching device tripping device.
  • the FIG. 1 shows a first embodiment of a switching device tripping device in which a switching device 1 is shown schematically.
  • the switching device 1 has a first contact piece 2 and a second contact piece 3.
  • the first contact piece 2 is presently arranged stationary.
  • the second contact piece 3 is designed to be linearly displaceable, so that between the first and the second contact piece 2, 3 a relative mobility (see double arrow) is given.
  • the contact piece 3 is coupled to a storage spring 4, so that a switch-off, ie, a separation of the two contact pieces 2, 3 is driven by energy driven, which is the tensioned storage spring 4 is removed.
  • the memory spring 4 is part of a gear arrangement for generating the relative movement between the contact pieces 2, 3.
  • the memory spring 4 is in the present case designed in the form of a helical spring, which is mounted stationary.
  • an electric motor 5 is provided for tensioning the accumulator spring 4, for tensioning the accumulator spring 4, an electric motor 5 is provided.
  • the electric motor 5 is connected via a kinematic chain 6 to the storage spring 4.
  • the kinematic chain 6 has a cable, which is wound around a shaft 5 driven by the electric motor.
  • the release means and their interaction with the other modules also applies in an analogous manner to the variants of the Figures 2 . 3 and 5 to. Therefore, the assemblies that perform the same function, provided with the same reference numerals.
  • the accumulator spring In the tensioned state, the accumulator spring is blocked by a pawl 7, so that a relaxation of the accumulator spring 4 is possible only after an actuation of the pawl 7.
  • the pawl 7 is designed as a one-piece locking bolt. A relaxation of the accumulator spring 4 takes place abruptly, so that a sudden relative movement between the two Contact pieces 2, 3, in particular in the course of a switch-off occurs.
  • a decoupling module is provided in the kinematic chain 6 to the drivable shaft, for example, so that a braking effect of the kinematic chain 6 and of the electric motor 5 is prevented.
  • the pawl 7 is mounted linearly displaceable.
  • a linear displacement is possible in the direction of an axis 8.
  • a displacement direction of the pawl 7 according to the FIG. 1 determined by arranged in the pawl 7, extending in the direction of the axis 8 slots 9, wherein the slots 9 are penetrated by guide pins 10.
  • the guide pins 10 are each end equipped with threads, so that the guide pins 10 can be fastened on the one hand to a base plate and on the other hand on the guide pin 10 by means of nuts screwed onto the respective thread removal of the pawl 7 is prevented by the guide pin 10.
  • a first trigger means 11 and a second trigger means 12 are provided.
  • the two release means 11, 12 are bolt-shaped, wherein the bolts of the release means 11, 12 are guided displaceably in each case in an iron core 13.
  • the iron cores 13 guide the respective release means 11, 12 parallel to the axis 8, wherein the release means 11, 12 are arranged linearly displaceable parallel to the axis 8.
  • the iron cores 13 can perform the function of a housing enclosing the triggering means 11, 12.
  • the two release means 11, 12 are each formed as a plunger armature of a plunger coil 14, which serves as a drive element.
  • a plunger coil 14 is an electrodynamic drive element with an armature.
  • the respective release means 11, 12 serve as anchors of the respective plunger coils 14.
  • FIG. 1 is the location of the release means 11, 12 shown in rest position.
  • the two release means 11, 12 are each pressed to the pawl 7 in their rest positions.
  • the release means 11, 12 can "fall back" by their weight in their rest positions.
  • An abutment for the outgoing of the return spring 15 force and stops for end positions of the release means 11, 12 are provided by the respective iron core 13.
  • the release means 11, 12 are provided at their end remote from the pawl 7 each end with a radially projecting shoulder, which abut each other alternately to the attacks of the end positions of the respective iron core 13.
  • the two release means 11, 12 are moved back by the force of the respective return spring 15 in their rest positions , Furthermore, by a pawl return spring 17 and a return movement of the pawl 7 causes, so that the pawl 7 is again ready to hold the tensioned memory spring 4 after a tensioning of the accumulator spring 4, after release by the release means 11, 12 release this accumulator spring 4 and to generate a switching movement or relative movement between the contact pieces 2, 3.
  • the first triggering means 11 and the second triggering means 12 each have independently acting drive elements in the form of plunger coils 14, so that in the event of failure of one of the plunger coils 14 or blocking one of the triggering means 11, 12 the respective other non-disturbed triggering means 11, 12 or the undisturbed plunger coil 14 can perform an actuation of the pawl 7.
  • the two release means 11, 12 act independently on the same pawl. 7
  • FIG. 2 shows the from the FIG. 1 known switching device triggering device, wherein the configuration of the pawl varies.
  • a memory spring 4 is provided, which can be tensioned by means of an electric motor 5 via a kinematic chain 6, wherein a blocking of the tensioned storage spring 4 is provided by means of a pawl 7.
  • the relaxed position of the storage spring 4 is shown, wherein the contact pieces 2, 3 are shown in the open position.
  • Dash-dotted on the accumulator spring 4 is an extended position of the accumulator spring 4 symbolized in the tensioned state, wherein the pawl 7 blocks the accumulator spring 4 in the tensioned state.
  • a pawl 7 will be discussed.
  • the pawl 7 in this case has a two-armed stationary mounted lever 18.
  • the fixed lever 18 is pivotable about a fixed pivot point, so that the pawl 7 can release a tensioned storage spring 4.
  • a connecting rod 19 is connected with one arm of the stationary lever 18, a connecting rod 19 is connected.
  • the connecting rod 19 connects the stationary lever 18 with an angle lever 20.
  • the angle lever 20 is fixedly mounted, wherein the angle lever 20 of a first and with a second release means 11, 12 is movable. Force application points of the two release means 11, 12 are located on the angle lever 20 of the pawl 7.
  • a movement of the release means 11, 12 a movement of the pawl 7 is effected, which analogous to the in FIG. 1 described embodiment causes a relaxation of a tensioned accumulator spring 4.
  • the ones for moving the release means 11, 12 necessary assemblies are analogous to the modules of FIG. 1 executed and therefore provided with the same reference numerals.
  • the pawl 7 is designed in the form of a lever
  • FIGS. 3 and 5 show in each case basic representations a Verklinkungsmechanik and the gear arrangement. Gleichlacede assemblies are denoted by the same reference numerals as in the FIGS. 1 and 2 , Mistake. Since the function is analogous to FIGS. 1 and 2 takes place, only the way the design of release means and drive means to the Figures 3 . 4 and 5 described in more detail.
  • FIG. 3 is a force application point of two release means 11, 12 shown on a pawl 7.
  • the pawl 7 is pivotable about a fixed bearing point.
  • a first triggering means 11 and a second triggering means 12 are arranged axially one behind the other, wherein the two triggering means 11, 12 are respectively designed bolt-shaped. It is provided that the second release means 12 with the interposition of the first triggering means 11 against the pawl 7 is movable to pivot the pawl 7.
  • the respectively executed in the form of plungers release means 11, 12 are arranged one behind the other such that the plunger of the second trigger means 12 is driven in a movement from its rest position into a release position against the first triggering means 11 and thus, for example, in case of failure the plunger coil 14 of the first triggering means with the interposition of the first triggering means 11, the pawl 7 is actuated.
  • a coaxial with the axis 8 formed recess is provided, through which the second triggering means 12 may protrude into the interior of the iron core 13 of the first triggering means 11, so that a force from the second triggering means 12 can be exercised on the first triggering means 11.
  • both release means 11, 12 are set in motion by the plunger coils 14, then the total of The force effect, which can be generated by one of the plunger coils 14, however, is dimensioned such that even if one of the plunger coils 14 fails, one for actuating the pawl 7 sufficient force by a single plunger coil 14 can be caused. Even if the plunger coil 14 of the first triggering means 11 fails, a force is exerted on the second triggering means 12 and a displacement of the first triggering means 11 in the direction of the axis 8 toward the pawl 7.
  • the second triggering means 12 moves the first triggering means 11 toward the axis 8 against the pawl 7 and with the interposition of the first triggering means 11, an actuation of the pawl 7 is effected by the second triggering means 12.
  • the second trigger means 12 remains at rest and only the first trigger means 11 moves the pawl 7.
  • the two trigger means 11, 12 act on the same force application point (indirectly or directly) on the Pawl 7 a.
  • FIGS. 4 and 5 a modular design of tripping devices and immersion coils and iron cores described in more detail.
  • FIG. 4 shows the structure of the iron cores 13 of a first and a second triggering means 11, 12.
  • the iron cores 13 and the drive means for the first and the second triggering means 11, 12 are each identically listed. Therefore, in the following example using the FIG. 4 the structure of iron core 13 and drive means 14 of the first triggering means 11 described by way of example.
  • the iron core 13 is arranged rotationally symmetrical to a longitudinal axis 8 and has a first sub-element 13a and a second sub-element 13b.
  • the two sub-elements 13a, 13b are contacted to mutually facing end faces, wherein the end faces are aligned perpendicular to the axis 8.
  • the plunger coil 14 is embedded in the iron core 13 and aligned coaxially with the axis 8.
  • the iron core 13, in particular its first sub-element 13a, serves to guide a magnetic field that can be generated by the plunger coil 14.
  • the first triggering means 11 is designed as a hollow cylinder which is slidably mounted in the first subelement 13a of the iron core 13.
  • the first triggering means 11 can be moved in the direction of the axis 8.
  • the first triggering means 11 is formed radially widened, so that projecting shoulders are formed on z. B. abut in a rest position.
  • the radial extension of the first triggering means 11 is formed as a hollow cylinder, wherein an outer circumferential surface of the radial extension is slidably guided in a diametrically opposed inner circumferential surface of the second partial element 13b of the iron core 13. Due to the radial expansion, the free mobility of the first triggering means 11 in the direction of the axis 8 is limited on the first triggering element 11. Thus, on the one hand a rest position of the first triggering means 11 can be taken in the iron core 13, wherein the first triggering means 11 is retracted almost completely in its rest position in the iron core 13.
  • a return spring 15 is provided, which supports the radial extension of the first triggering means 11 on the first subelement 13a of the iron core 13 against a protruding shoulder of the second subelement 13b of the iron core 13.
  • the first triggering means 11 is provided with a recess 21 which extends coaxially to the axis 8 and the first triggering means 11 passes completely. At its end facing away from the radial extension of the first trigger means 11 is provided with an internal thread 22. Through the recess 21, the first triggering means 11 is designed in the form of a socket, so that the socket can serve for example a guide or storage, for example, a second triggering means 12.
  • the second triggering means 12 has a base body which corresponds in construction to the first triggering means 11.
  • a rod 23 is screwed, which completes the second triggering means 12.
  • the rod 23 is aligned as well as the main body of the second triggering means 12 coaxial with the axis 8.
  • the rod 23 has a cross-section such that it can be introduced into the recess 21 of the first triggering means 11 in the manner of a clearance, so that the rod 23 is displaceably mounted in the recess 21 of the first triggering means.
  • a bearing bush is provided on the first triggering means 11 for the second triggering means 12.
  • a first and a second trigger means 11, 12 are formed, which each deliver a linear movement and each act on the same pawl or drive, wherein the two trigger means 11, 12 coaxial with each other are aligned, ie, the first release means 11 surrounds the second release means 12 at least partially outer jacket side, wherein each of the two release means 11, 12 is drivable via a separate drive means.
  • FIG. 5 shows the from the FIG. 4 known arrangement with rod 23, which passes through the socket of the first triggering means 11.
  • the two iron cores 13 of the two triggering means abut each other in the direction of the axis 8 and are aligned with each other.
  • the rod 23 or the second triggering means 12 is mounted on the first triggering means 11 via the rod 23 of the second triggering means 12.
  • the two triggering means 11, 12 are on a front side of one of the iron cores 13, here the iron core 13 of the first triggering means 11, the pawl 7 faces, each of the triggering means 11, 12 can act directly on the pawl 7.
  • both the first triggering means 11 and the second triggering means 12 can cause a movement of the pawl 7 regardless of the state of the respective other triggering means or its plunger coils, return springs, etc.
  • the first and the second trigger means 11, 12 act on almost the same force introduction point of the pawl 7 on this. So tilting and tilting are avoided, the pawl 7 can perform a pivoting movement.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Breakers (AREA)
  • Automotive Seat Belt Assembly (AREA)
EP12798193.4A 2011-12-02 2012-11-15 Schaltgeräteauslöseeinrichtung Active EP2764526B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102011087651A DE102011087651A1 (de) 2011-12-02 2011-12-02 Schaltgeräteauslöseeinrichtung
PCT/EP2012/072686 WO2013079329A1 (de) 2011-12-02 2012-11-15 Schaltgeräteauslöseeinrichtung

Publications (2)

Publication Number Publication Date
EP2764526A1 EP2764526A1 (de) 2014-08-13
EP2764526B1 true EP2764526B1 (de) 2017-04-12

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EP12798193.4A Active EP2764526B1 (de) 2011-12-02 2012-11-15 Schaltgeräteauslöseeinrichtung

Country Status (9)

Country Link
US (1) US9548175B2 (ru)
EP (1) EP2764526B1 (ru)
CN (1) CN103959419B (ru)
BR (1) BR112014013039B1 (ru)
DE (1) DE102011087651A1 (ru)
IN (1) IN2014KN01054A (ru)
MX (1) MX2014006581A (ru)
RU (1) RU2613329C2 (ru)
WO (1) WO2013079329A1 (ru)

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KR20160135283A (ko) 2014-03-20 2016-11-25 사뮤메드, 엘엘씨 5-치환된 인다졸-3-카르복스아미드 및 이의 제조 및 용도
CN108493069A (zh) * 2018-04-12 2018-09-04 郑元武 可遥控式空气断路器
CN109166741B (zh) * 2018-09-12 2020-01-07 平高集团有限公司 一种断路器、弹簧操动机构及其锁闩组件
CN110137045B (zh) * 2019-04-25 2022-07-05 河南平高电气股份有限公司 弹簧操动机构及使用该弹簧操动机构的断路器

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Also Published As

Publication number Publication date
RU2014126839A (ru) 2016-01-27
RU2613329C2 (ru) 2017-03-16
EP2764526A1 (de) 2014-08-13
CN103959419A (zh) 2014-07-30
DE102011087651A1 (de) 2013-06-06
BR112014013039B1 (pt) 2022-03-22
US9548175B2 (en) 2017-01-17
WO2013079329A1 (de) 2013-06-06
BR112014013039A2 (pt) 2017-06-13
IN2014KN01054A (ru) 2015-10-09
CN103959419B (zh) 2018-06-01
MX2014006581A (es) 2014-08-21
US20140292452A1 (en) 2014-10-02

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