EP2109871B1 - Vorrichtung zur ein- und ausschaltung eines elektrischen schaltkreises - Google Patents

Vorrichtung zur ein- und ausschaltung eines elektrischen schaltkreises Download PDF

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Publication number
EP2109871B1
EP2109871B1 EP08707924A EP08707924A EP2109871B1 EP 2109871 B1 EP2109871 B1 EP 2109871B1 EP 08707924 A EP08707924 A EP 08707924A EP 08707924 A EP08707924 A EP 08707924A EP 2109871 B1 EP2109871 B1 EP 2109871B1
Authority
EP
European Patent Office
Prior art keywords
microswitch
pyrotechnic charge
electric circuit
membrane
conductors
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.)
Not-in-force
Application number
EP08707924A
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English (en)
French (fr)
Other versions
EP2109871A1 (de
Inventor
Hugues Filiputti
Mathias Lamien
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.)
Schneider Electric Industries SAS
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Schneider Electric Industries SAS
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Filing date
Publication date
Application filed by Schneider Electric Industries SAS filed Critical Schneider Electric Industries SAS
Publication of EP2109871A1 publication Critical patent/EP2109871A1/de
Application granted granted Critical
Publication of EP2109871B1 publication Critical patent/EP2109871B1/de
Not-in-force legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/004—Closing switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H39/006—Opening by severing a conductor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/005—Details of electromagnetic relays using micromechanics
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H01H2036/0093—Micromechanical switches actuated by a change of the magnetic field
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H39/00—Switching devices actuated by an explosion produced within the device and initiated by an electric current
    • H01H2039/008—Switching devices actuated by an explosion produced within the device and initiated by an electric current using the switch for a battery cutoff
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/005—Details of electromagnetic relays using micromechanics
    • H01H2050/007—Relays of the polarised type, e.g. the MEMS relay beam having a preferential magnetisation direction
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/14—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch
    • H01H35/144—Switches operated by change of acceleration, e.g. by shock or vibration, inertia switch operated by vibration
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/24—Switches operated by change of fluid pressure, by fluid pressure waves, or by change of fluid flow
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H36/00—Switches actuated by change of magnetic field or of electric field, e.g. by change of relative position of magnet and switch, by shielding
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H59/00—Electrostatic relays; Electro-adhesion relays
    • H01H59/0009—Electrostatic relays; Electro-adhesion relays making use of micromechanics

Definitions

  • the present invention relates to a device for interrupting / switching on an electric circuit.
  • This device operates from a pyrotechnic charge.
  • He is known in particular by the document DE 44 06 730 a device for interrupting an electrical circuit.
  • This device comprises in particular a pyrotechnic actuator comprising a pyrotechnic charge and a piston controlled in translation under the effect of the gases generated by the combustion of the pyrotechnic charge.
  • the piston carries a finger capable of coming to press a connection bridge initially making the electrical connection between two conductors.
  • This bridge is mounted on a spring.
  • the gases generated by the combustion of the pyrotechnic charge cause the piston in motion to push on the bridge to disconnect the two conductors and thus interrupt the electrical circuit.
  • this device of the prior art requires the use of an external sensor.
  • it uses mainly mechanical means that are likely to wear over time, may cause malfunctions.
  • the object of the invention is to propose a device for interrupting / switching on an electrical circuit which is not sensitive to wear over time and which operates using a pyrotechnic charge whose ignition is controlled. directly in the device.
  • the microswitch is placed on a circuit branch connected on the one hand to the electric circuit and on the other hand to the ground.
  • the ignition means comprise a heating resistive element mounted in series with the microswitch and able to initiate combustion of the pyrotechnic charge.
  • the microswitch is controlled by a mobile permanent magnet, for example actuatable in translation.
  • the microswitch is controlled by an excitation coil.
  • the excitation coil is connected in parallel with the electric circuit.
  • the device of the invention is then a device for interrupting the electrical circuit in which the electric circuit comprises two conductors and a connecting piece displaceable under the effect of the gases generated by the combustion of the pyrotechnic charge, the connection piece connecting initially both drivers.
  • the excitation coil is connected in parallel with the microswitch. In this case it is controlled by a sensor.
  • the device of the invention is then an engagement device in which the electrical circuit comprises two conductors and a movable connection piece under the effect of the gases generated by the combustion of the pyrotechnic charge.
  • the connection piece is initially disconnected from the two conductors and is for example integral with a piston separating a first chamber comprising the pyrotechnic charge of a second chamber through which the two conductors pass.
  • the micro-switch employed comprises for example a membrane of ferromagnetic material capable of being controlled between two positions by aligning with the field lines of a magnetic field.
  • the invention relates to a device for interrupting or interlocking a main electrical circuit.
  • This main electrical circuit can for example be reserved for the supply of a battery, transformers, elevator brakes or all types of circuits requiring a break or a quick and reliable engagement.
  • Interrupt devices represented in figures 1 and 2 and the interlocking device shown in figure 3 each comprise a body 1 crossed by two spaced apart electrical conductors 6a, 6b connected to a main electrical supply circuit ( figure 1 ) for example of an apparatus A powered by a generator G.
  • these two conductors 6a, 6b are initially joined by a movable connecting piece 7 initially making the electrical connection while in the interlocking device these two conductors 6a, 6b are initially spaced and are intended to be connected by a movable connecting piece 700.
  • the body 1 of these devices is hermetically closed and has a bottom wall on which a breaking primer groove 8 is formed.
  • the connecting piece 7 is for example wedged between the two conductors 6a, 6b and the bottom wall of the body.
  • the combustion initiation of this charge 5 makes it possible to generate gases inside the body 1 and to cause the interruption of the circuit electrical main or the engagement of the main electrical circuit by moving the connecting piece 7, 700.
  • the gases are released by bursting of the body 1 along the groove 8 of incipient fracture.
  • the interruption / engagement devices also comprise a microswitch M, M 'with magnetic actuation as described below.
  • This type of microswitch is particularly advantageous because it is housed in a perfectly hermetic housing and because it is insensitive to static electricity problems that can cause untimely firing of the pyrotechnic charge. It may in particular be manufactured by a MEMS type technology (Micro-Electro-Mechanical System).
  • microswitch M M 'are represented on the figures 4 and 9 .
  • Other types of microswitches perfectly meeting the needs of the invention could be envisaged, including "reed” type microswitches.
  • the microswitch M, M ' comprises a movable element mounted on a substrate S made of materials such as silicon, glass, ceramics or in the form of printed circuits.
  • the substrate S carries for example on its surface 30 at least two contacts or conductive tracks 31, 32 plane, identical and spaced apart, intended to be electrically connected by a movable electrical contact 21, 21 'in order to obtain the closure of a circuit electric.
  • the movable element is composed of a deformable membrane 20, 20 'having at least one layer of ferromagnetic material.
  • the ferromagnetic material is for example of the soft magnetic type and can be for example an alloy of iron and nickel ("permalloy" Ni 80 Fe 20 ).
  • the membrane 20, 20 ' can take a low position, called closure, in which its movable contact 21, 21' electrically connects the two fixed conductor tracks 31, 32 of so as to close the electrical circuit or a raised up position, said opening, in which its movable contact 21, 21 'is away from the two conductive tracks so as to open the electrical circuit.
  • closure in which its movable contact 21, 21' electrically connects the two fixed conductor tracks 31, 32 of so as to close the electrical circuit or a raised up position
  • said opening in which its movable contact 21, 21 'is away from the two conductive tracks so as to open the electrical circuit.
  • the free space In the open position, the free space must be sufficient to maintain the "no fire" standard in case of parasitic current.
  • the membrane 20 of the microswitch M has a longitudinal axis (A) and is integral with the substrate S via two connecting arms 22a, 22b connecting said membrane 20 to two anchoring studs 23a, 23b arranged symmetrically to on both sides of its longitudinal axis (A) and extending perpendicularly with respect to this axis (A).
  • the membrane 20 is able to pivot between its open position and its closed position along an axis of rotation (R) parallel to the axis described by the contact points of the membrane 20 with the electrical tracks 31, 32 and perpendicular to its longitudinal axis (A).
  • Its movable electrical contact 21 is disposed under the membrane 20, at one end thereof.
  • the magnetic actuation of the microswitch M consists of subjecting the membrane 20 to a permanent magnetic field B 0 , preferably uniform and for example of direction perpendicular to the surface 30 of the substrate S to maintain the membrane 20 in each of its positions, and to apply a temporary magnetic field Bc control to control the passage of the membrane 20 from one position to another, by inverting the magnetic torque exerted on the membrane 20.
  • Force the membrane 20 to 20 opening by employing a temporary magnetic field B 0 may be necessary to resist electrostatic discharges and to give the microswitch M a strong galvanic isolation.
  • it is possible to dispense with the application of the permanent magnetic field B 0 if the membrane at rest ensures sufficient opening space.
  • the membrane 20 may be mechanically prestressed, for example by adding a layer made of a prestressed material.
  • a permanent magnet (not shown) is used, for example fixed under the substrate S.
  • the temporary magnetic field Bc is for example generated using an excitation coil 4 associated with the microphone -M switch M.
  • This excitation coil 4 may be planar ( figure 5 ), integrated in the substrate, or external, for example of the solenoid type.
  • the passage of a current in the excitation coil 4 generates a temporary magnetic field direction parallel to the substrate S and parallel to the longitudinal axis (A) of the membrane 20 to control, according to the direction of the current in the coil, the tilting of the membrane 20 from one of its positions to the other of its positions.
  • the operation of such a microswitch M is detailed below in connection with the Figures 6 to 8 .
  • the coil 40, 400 is represented in the form of a winding, but it should be understood that it can take any other form, in particular a planar shape integrated in the substrate of the microswitch M ( figure 5 ).
  • the substrate S supporting the membrane 20 is placed under the effect of the permanent magnetic field B 0 already defined above.
  • the first magnetic field B 0 initially generates a magnetic component BP 2 in the membrane 20 along its longitudinal axis (A).
  • the magnetic torque resulting from the first magnetic field B 0 and the BP component 2 generated in the membrane 20 holds the membrane 20 in one of its positions, for example the open position on the figure 6 .
  • the passage of a control current in a defined direction through the excitation coil 4 makes it possible to generate the temporary control magnetic field Bc whose direction is parallel to the substrate S, its direction depending on the direction of the current delivered in the coil 4.
  • the temporary magnetic field Bc generates the magnetic component BP 3 in the magnetic layer of the membrane 20. If the control current is delivered in a suitable direction, this new magnetic component BP 3 opposes the generated component BP 2 in the magnetic layer of the membrane 20 by the first magnetic field B 0 . If the BP component 3 is of greater intensity than that generated by the first magnetic field B 0 , the magnetic torque resulting from the first magnetic field B 0 and this BP 3 component is reversed and causes the membrane 20 to tilt. open position to its closed position ( figure 7 ).
  • the magnetic field Bc is generated only transiently to tilt the membrane 20 from one position to another.
  • the membrane 20 is then held in its closed position under the effect of the only first magnetic field B 0 creating a new magnetic component BP 4 in the membrane 20 and therefore a new magnetic torque imposing on the membrane 20 to remain in its position. closing position ( figure 8 ).
  • the membrane 20 'of the microswitch M' has a longitudinal axis (A ') and is connected at one of its ends via connecting arms 22a', 22b ', to one or more pads 23 'anchoring integral with the substrate S.
  • the membrane 20' is pivotable relative to the substrate along an axis (R ') of rotation perpendicular to its longitudinal axis (A').
  • the link arms 22a ', 22b' form an elastic connection between the membrane 20 'and the anchor stud 23' and are flexibly biased during the pivoting of the membrane 20 '.
  • the magnetic actuation of the microswitch M ' is illustrated on the Figures 10 and 11 . It consists in applying a magnetic field created by a permanent magnet 4 '. According to this mode of actuation, the ferromagnetic membrane 20 'moves between its two states by aligning with the field lines L of the magnetic field generated by the permanent magnet 4'.
  • the magnetic field created by the permanent magnet 4 ' has indeed L field lines whose orientation generates a magnetic component (BP' 0 , BP ' 1 ) in a ferromagnetic layer of the membrane 20' along its longitudinal axis ( AT').
  • By moving the permanent magnet 4 ' it is therefore possible to subject the membrane 20' to two different orientations of the field lines L of the magnetic field of the permanent magnet 4 'and to tilt the membrane 20' between its two positions .
  • the displacement of the permanent magnet 4' can be made in a direction parallel to the surface 30 of the substrate S or perpendicular to this surface 30.
  • the body of the devices therefore also contain means for igniting the pyrotechnic charge 5 composed in particular of a microswitch M, M 'as described above and a heating resistive element, such as for example a resistive wire. 9, whose heating for initiating the pyrotechnic charge in combustion is controlled by the microswitch M, M '.
  • the microswitch M, M ' is placed in series with respect to the resistive wire 9, itself connected on the one hand to earth and on the other hand to the main electrical circuit when the microswitch M, M' is closed .
  • the resistive wire 9 is located near the pyrotechnic charge 5, preferably in contact therewith or encased by it (variant not shown).
  • the combustion initiation of the pyrotechnic charge 5 can be carried out directly by the microswitch without the use of the resistive wire 9.
  • the microswitch can it is designed to volatilize by producing the energy required to ignite the pyrotechnic charge 5.
  • the microswitch comprises for example a fuse 20 adapted to volatilize when the controlled current is too strong.
  • a first configuration of an interrupt device is represented in figure 1 .
  • This interruption device is intended to react to an external mechanical action.
  • This external mechanical action can be performed by various means, such as for example an increase in the pressure of a fluid (air, water or oil) or the action of an external mechanical part set in motion following a temperature variation. or in response to a shock.
  • Any other type of sensor could be envisaged, in particular a "multiphysics" sensor producing a mechanical response as a function of the variation of various physical parameters such as pressure, temperature, speed, etc.
  • the device comprises a movable permanent magnet 10, for example in the form of disk or torus, mounted on a mobile actuator OA on which the external mechanical action is exerted, so as to coaxial with respect to the axis (X) of the device.
  • This actuating member OA is able to move in translation during the application of a minimum external mechanical action calibrated, for example by means of a bellows mechanism 11, of an elastic membrane with sudden rupture (no shown) or with the aid of a fixed magnet in the form of a disk or a torus (not shown) arranged concentrically with respect to the moving permanent magnet 10.
  • the magnet Mobile standing 10 can therefore translate along the axis (X) of the device between a rest position and a working position.
  • the microswitch M ' employed is of the type of the second variant described below. This microswitch M 'is offset relative to the axis (X) of the device so as to be able to switch under the influence of the magnetic field created by the moving permanent magnet 10.
  • the gases generated by the combustion of the pyrotechnic charge 5 then cause the bursting of the body 1 according to its breaking point 8 and simultaneously the ejection of the connecting piece 7, so as to interrupt the main electrical circuit between the two conductors 6a. , 6b.
  • the microswitch M employed in this configuration is of the type of the first variant described above. It is therefore polarized by a fixed permanent magnet (not shown) for example secured to the substrate S and creating the magnetic field B 0 initially maintaining the microswitch M in the open position.
  • the microswitch M is offset with respect to the axis of the coil 40 so as to be under the influence of its substantially horizontal field lines. When the coil 40 is activated, the microswitch M is therefore placed under the dominating influence of the temporary magnetic field Bc ( figure 7 parallel to its substrate S and controlling its membrane 20 between its two positions.
  • the excitation coil 40 is represented by a winding around a carcass but it must be understood that it can take any other form. As represented in figure 5 it may especially be of planar type, integrated in the substrate S supporting the microswitch M.
  • the excitation coil 40 is connected in parallel with the main electric circuit so as to be traversed by the current of the main electrical circuit.
  • the field generated by the coil 40 being proportional to the current flowing through it, the microswitch M can thus switch when the current exceeds a threshold value determined by the device to be protected.
  • the temporary magnetic field Bc created by the excitation coil 40 generates a magnetic component in the membrane 20 of the microswitch M, of sufficient intensity to impose its closed position ( Figures 7 and 8 ), causing as in the first configuration, the ignition of the pyrotechnic charge 5 and the interruption of the main electrical circuit by ejection of the connection piece 7.
  • the interlocking device represented in figure 3 also operates using an excitation coil 400 which is here connected in parallel with the resistive wire 9 and the microswitch M 'employed.
  • the microswitch M 'employed in this interlocking device is of the type of the first variant described above ( Figures 4 to 8 ).
  • Its membrane 20 is polarized by a fixed permanent magnet (not shown) and is controlled between its two positions by the temporary magnetic field Bc created by the coil 400.
  • the coil 400 may be of planar type, integrated into the substrate S of the micro-switch ( figure 5 ).
  • the excitation coil 400 is for example controlled at the closing by a sensor C.
  • This sensor C can for example take the form of a switch sensitive to one or more physical parameters, such as temperature, pressure, acceleration, etc.
  • an acceleration sensor comprising a plurality of MEMS-type microswitches conforming to FIG. invention placed on the electric circuit in series with the micro-switch M of ignition control of the load 5.
  • a permanent magnet is for example set in motion according to the intensity of the acceleration or deceleration to operate more or less micro-switches. When an acceleration or deceleration threshold is reached, all the microswitches are closed allowing the passage of current to the excitation coil 400.
  • the connecting piece 700 is mounted integral with a piston P separating the internal space of the body 1 into a first chamber 500 containing the pyrotechnic charge and a second chamber 600 traversed by the conductors 6a, 6b and containing the connection piece 700.
  • the piston P is for example retained by notches 300 formed on the internal face of the body 1.
  • the coil 400 In operation, when the coil 400 is activated, its magnetic field acts on the microswitch M imposing its closed position. Closing the microswitch M causes the heating of the pyrotechnic charge 5, and thus the generation of gas.
  • the gases created in the first chamber 500 push the piston P in translation accompanied by the connection piece 700 until it comes to connect the two conductors 6a, 6b.
  • the device may for example provide a valve mechanism 800 for evacuating the combustion gases from the first chamber 500.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Thermally Actuated Switches (AREA)
  • Air Bags (AREA)
  • Electronic Switches (AREA)
  • Electromagnets (AREA)
  • Switches That Are Operated By Magnetic Or Electric Fields (AREA)
  • Micromachines (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Oscillators With Electromechanical Resonators (AREA)
  • Input Circuits Of Receivers And Coupling Of Receivers And Audio Equipment (AREA)

Claims (15)

  1. Vorrichtung zum Unterbrechen/Einschalten eines Stromkreises, die aufweist:
    - eine pyrotechnische Ladung (5), die dazu bestimmt ist, entzündet zu werden, um das Unterbrechen bzw. das Einschalten des Stromkreises zu bewirken,
    - Einrichtungen zum Zünden der pyrotechnischen Ladung (5),
    dadurch gekennzeichnet, dass:
    - die Zündeinrichtungen mit dem Stromkreis verbunden sind,
    - die Zündeinrichtungen einen Mikroschalter (M, M') mit magnetischer Betätigung enthalten, der das Zünden der pyrotechnischen Ladung (5) steuern kann.
  2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, dass der Mikroschalter (M, M') auf einem Stromkreiszweig angeordnet ist, der einerseits mit dem Stromkreis und andererseits mit der Erde verbunden ist.
  3. Vorrichtung nach Anspruch 2, dadurch gekennzeichnet, dass die Zündeinrichtungen ein ohmsches Heizelement (9) enthalten, das in Reihe mit dem Mikroschalter (M, M') eingebaut ist und die pyrotechnische Ladung (5) entzünden kann.
  4. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Mikroschalter (M') von einem beweglichen Dauermagnet (10) gesteuert wird.
  5. Vorrichtung nach Anspruch 4, dadurch gekennzeichnet, dass der bewegliche Dauermagnet (10) in Translationsrichtung betätigt werden kann.
  6. Vorrichtung nach Anspruch 3, dadurch gekennzeichnet, dass der Mikroschalter (M, M') von einer Erregerspule (40, 400) gesteuert wird.
  7. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Erregerspule (40) bezüglich des Stromkreises parallel eingebaut ist.
  8. Vorrichtung nach einem der Ansprüche 1 bis 7, dadurch gekennzeichnet, dass der Stromkreis zwei Leiter (6a, 6b) und ein Verbindungsteil (7) aufweist, das unter der Wirkung der durch die Verbrennung der pyrotechnischen Ladung erzeugten Gase verschiebbar ist.
  9. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass das Verbindungsteil (7) ursprünglich die zwei Leiter (6a, 6b) verbindet.
  10. Vorrichtung nach Anspruch 6, dadurch gekennzeichnet, dass die Erregerspule (400) bezüglich des Mikroschalters parallel eingebaut ist.
  11. Vorrichtung nach Anspruch 8, dadurch gekennzeichnet, dass die Erregerspule (400) von einem Sensor (C) gesteuert wird.
  12. Vorrichtung nach Anspruch 10 oder 11, dadurch gekennzeichnet, dass der Stromkreis zwei Leiter (6a, 6b) und ein Verbindungsteil (700) aufweist, das unter der Wirkung der durch die Verbrennung der pyrotechnischen Ladung (5) erzeugten Gase verschiebbar ist.
  13. Vorrichtung nach Anspruch 12, dadurch gekennzeichnet, dass das Verbindungsteil (700) ursprünglich von den zwei Leitern (6a, 6b) getrennt ist.
  14. Vorrichtung nach Anspruch 12 oder 13, dadurch gekennzeichnet, dass das Verbindungsteil (700) fest mit einem Kolben (P) verbunden ist, der eine erste, die pyrotechnische Ladung (5) enthaltende Kammer (500) von einer zweiten Kammer (600) trennt, die von den zwei Leitern (6a, 6b) durchquert wird.
  15. Vorrichtung nach einem der Ansprüche 1 bis 14, dadurch gekennzeichnet, dass der Mikroschalter (M, M') eine Membran (20, 20') aus ferromagnetischem Material aufweist, die zwischen zwei Stellungen gesteuert werden kann, indem sie sich an die Feldlinien eines Magnetfelds anpasst.
EP08707924A 2007-01-19 2008-01-16 Vorrichtung zur ein- und ausschaltung eines elektrischen schaltkreises Not-in-force EP2109871B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR0752763A FR2911719B1 (fr) 2007-01-19 2007-01-19 Dispositif d'interruption/enclenchement d'un circuit electrique
PCT/EP2008/050434 WO2008090065A1 (fr) 2007-01-19 2008-01-16 Dispositif d'interruption / enclenchement d'un circuit electrique

Publications (2)

Publication Number Publication Date
EP2109871A1 EP2109871A1 (de) 2009-10-21
EP2109871B1 true EP2109871B1 (de) 2010-10-06

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EP08707924A Not-in-force EP2109871B1 (de) 2007-01-19 2008-01-16 Vorrichtung zur ein- und ausschaltung eines elektrischen schaltkreises

Country Status (10)

Country Link
US (1) US8446241B2 (de)
EP (1) EP2109871B1 (de)
JP (1) JP5133354B2 (de)
CN (1) CN101622684B (de)
AT (1) ATE484068T1 (de)
DE (1) DE602008002897D1 (de)
ES (1) ES2352412T3 (de)
FR (1) FR2911719B1 (de)
RU (1) RU2410790C1 (de)
WO (1) WO2008090065A1 (de)

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US20130043111A1 (en) * 2011-08-15 2013-02-21 Honeywell International Inc. Circuit breaker position sensing and health monitoring system
US9543745B2 (en) * 2013-08-13 2017-01-10 Cooper Technologies Company Arrester bypass devices
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CN101622684A (zh) 2010-01-06
CN101622684B (zh) 2012-04-04
JP2010517212A (ja) 2010-05-20
US20100089739A1 (en) 2010-04-15
EP2109871A1 (de) 2009-10-21
RU2410790C1 (ru) 2011-01-27
FR2911719A1 (fr) 2008-07-25
ATE484068T1 (de) 2010-10-15
FR2911719B1 (fr) 2009-02-27
DE602008002897D1 (de) 2010-11-18
JP5133354B2 (ja) 2013-01-30
WO2008090065A1 (fr) 2008-07-31
ES2352412T3 (es) 2011-02-18
US8446241B2 (en) 2013-05-21

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