EP2867912B1 - Elektrischer schalter zur herstellung eines schnellbetätigungsschutzschalters - Google Patents

Elektrischer schalter zur herstellung eines schnellbetätigungsschutzschalters Download PDF

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Publication number
EP2867912B1
EP2867912B1 EP13744630.8A EP13744630A EP2867912B1 EP 2867912 B1 EP2867912 B1 EP 2867912B1 EP 13744630 A EP13744630 A EP 13744630A EP 2867912 B1 EP2867912 B1 EP 2867912B1
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EP
European Patent Office
Prior art keywords
sliding assembly
conductive
tube
cavity
electric switch
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Application number
EP13744630.8A
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English (en)
French (fr)
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EP2867912A1 (de
Inventor
Frédéric MARLIN
Romain LORENZON
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Safran Ceramics SA
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Herakles SA
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Publication of EP2867912A1 publication Critical patent/EP2867912A1/de
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    • 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
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/36—Contacts characterised by the manner in which co-operating contacts engage by sliding
    • H01H1/365—Bridging contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/06—Contacts characterised by the shape or structure of the contact-making surface, e.g. grooved
    • 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

Definitions

  • the present invention relates to an electrical switch forming in particular circuit breaker. More particularly, the invention relates to an electrical switch "with sliding assembly", and in particular an electrical switch of the type comprising a hollow body delimiting a cavity, a sliding assembly comprising at least one conductive portion and adapted to move in said cavity for a first position, said initial, to a second position, an actuator arranged to cooperate with said sliding assembly and move in said cavity, and at least two primary electrical conductive pads, respectively an upstream pad and a downstream pad, each comprising a ring opening in said cavity, said rings being coaxial and axially offset along the direction of movement of the sliding assembly, wherein the conductive portion of the sliding assembly is at least in tight electrical contact with the two primary electrical conductive pads when the sliding assembly is in its first re position and, when the sliding assembly is in its second position, the upstream electrical conductive pad is released from the conductive portion of said sliding assembly.
  • the electrical switch object of this disclosure forms mainly circuit breaker and can also be used as an electrical switch. It is particularly suitable for electrical circuits for high current.
  • primary electrical conductive pads refers to the electrical conductive pads which are connected to the conductive portion of the sliding assembly when it is in its first position, ie say when the electrical switch is in its initial state.
  • second electrical conductor pads refers to the electrical conductive pads which are connected to the conductive portion of the sliding assembly only when the latter is in its second position (in the case where a component of the first electrical circuit has been isolated , for example because considered to be faulty, and where a second electrical circuit is closed).
  • the document FR 2,953,322 discloses an example of an electrical switch of the aforementioned type, according to the preamble of claim 1, wherein the electrical contact between the sliding assembly and the conductive pads is achieved by tightening the rings, or that these rings are split, which gives a certain elasticity to the electrical junction, that is to say that the sliding assembly is engaged by forced engagement between the rings.
  • the split rings however lose their shape, and have a tendency to ovalise under the effect of the relaxation of the stresses.
  • the electrical contact between the rings and the sliding assembly may be uncertain or simply broken. The forced assembly of the sliding assembly between the annular rings of the conductive pads is difficult for him.
  • An object of the present invention is to provide an electrical switch without the disadvantages mentioned above.
  • an object of the present invention is to provide an electrical switch of the aforementioned type that can be assembled very simply, acting in a very short time and ensuring reliable electrical connections over time.
  • the invention relates to an electrical switch comprising a hollow body delimiting a cavity, a sliding assembly comprising at least one conductive portion and adapted to move in said cavity from a first, so-called initial position to a second position, an actuator arranged to cooperate with said sliding assembly and move it in said cavity, and at least two primary electrical conductive pads, respectively an upstream pad and a downstream pad, each comprising a ring opening into said cavity, said rings being coaxial and axially offset along the direction of movement of the sliding assembly, wherein the conductive portion of the sliding assembly is connected by a clamping force with the two primary electrical conductive pads when the sliding assembly is in its first position and, when the sliding assembly is in its second position, the stud c onducteur Upstream electric is disengaged from the conductive portion of said sliding assembly, said switch being characterized in that the sliding assembly comprises at least one tube provided with a slot extending over its entire length, and in that the conductive portion of the sliding assembly is constituted by all or part of said split tube, the clamping force
  • upstream and downstream are used to designate the position of one element relative to another by taking as a reference the direction of movement of the sliding assembly when it is actuated.
  • the closing of the electrical circuit connecting the primary electrical conductive pads is provided by reliable electrical contacts, as long as the electrical switch is in its initial position.
  • the connection between the primary electrical conductive pads and the conductive portion of the sliding assembly is a permanent electrical connection made by construction by the initial clamping of the split tube, the electrical contact between these elements is controlled and is not degraded during time even if the electrical switch is subject to vibration or shock. Unwanted phenomena such as false contacts, Joule losses, electric arcs, etc. are avoided.
  • the sliding assembly passes from its first to its second position, at least one of the pads is no longer electrically connected to the conductive portion of the sliding assembly. The electrical connection between the two primary electrical conductive pads is broken, and the first electrical circuit is open.
  • split tube Its slot gives the split tube an elasticity that facilitates the assembly of the electrical junction.
  • the split tube can thus be engaged by forced engagement between the rings of the electrical conductive pads.
  • any release of stress generating an increase in the diameter of the tube contributes to an improvement of the electrical contact and will be limited during assembly in the ring by the internal diameter of the ring.
  • the elasticity of the split tube provides a sufficiently high clamping force so that the electrical resistance is very low while limiting the forces required to move the slit tube during operation of the switch.
  • the clamping can be ensured by choosing a diameter of the split tube at rest about 4 to 5% higher than the internal diameter of the ring intended to receive said tube, and by assembling the split tube in the ring by acting on the elasticity of the tube material. Under such conditions, contact resistances of the order of 30 to 50 ⁇ Ohm can be obtained.
  • split tube can be obtained very simply, from a standard tube which is then split by a simple milling or cutting operation.
  • continuous annular rings i.e. not split radially
  • Such rings can be easily obtained by coining or stamping by industrial processes with satisfactory tolerances, without risk of loss of shape by release of stress (as is the case with split rings, which generally undergo ovalization at the level of slot).
  • the slot extends in the axial direction of the tube.
  • the width of the slot made in the tube may be chosen to compensate as much as possible for the difference in diameter between the conductive pads and the said split tube, the diameter of the latter being larger before forced assembly than that of the rings of the tubes. conductive pads.
  • the sliding assembly comprises a complementary clamping element introduced inside the split tube and configured to apply to the tube an external radial clamping force in the direction of the electrical conductive pads.
  • this complementary clamping element will be made of an insulating material.
  • the actuator is a pyrotechnic gas generator (for example a micro gas generator and its pyrotechnic initiator or a pyrotechnic initiator) and the sliding assembly comprises a piston movable inside said cavity, a gas expansion chamber being defined between said pyrotechnic gas generator and said piston.
  • the piston will be made of an insulating material.
  • the piston comprises at least one circumferential groove adapted to receive a seal.
  • the piston is made of an insulating material, and comprises a first part adapted to slide along the cavity and a second part, located in the extension of the first, adapted to be introduced, at least partially, inside the split tube to form a guide element of said tube.
  • the second part is forcibly mounted inside the split tube.
  • the guiding element thus has as an additional function of forcing the radial opening of the split tube, thus reinforcing the electrical connection with the rings of the conductive pads.
  • the piston has a cavity opening axially, upstream, the space defined by this cavity constituting at least a portion of the gas expansion chamber.
  • the switch comprises at least one secondary electrical conductive pad disposed downstream of said first and second primary electrical conductive pads and wherein the stroke of the sliding assembly is such that, when in said second position, said second primary electrical conductive pad is electrically connected to said secondary electrical conductive pad by said conductive portion of the sliding assembly.
  • the switch is characterized in that it comprises at least two groups of two primary conductive pads arranged in the extension of each other from upstream to downstream and in that said sliding assembly comprises a corresponding number of conductive portions electrically insulated from each other, each of said conductive portions exclusively connecting the conductive pads of each group when said sliding assembly is in its initial position.
  • the upstream primary conductive pad of a group of two primary conductive pads located downstream of another may play the function of secondary conductive pad with respect to this group.
  • said two conductive portions are separated by an insulator of less thickness than that of a conductive pad so that at a given moment of the race, the two conductive portions of the sliding assembly are electrically connected by the thickness of a ring of one of the conductive pads.
  • This transient position allows, for example the momentary closure of a bypass circuit for ensuring the continuity of an electrical circuit during the path of the sliding assembly.
  • the cavity of the hollow body is terminated in its downstream portion by a guide portion for guiding the sliding assembly when the latter passes from its first to its second position.
  • This guiding portion allows appropriate positioning of the slotted conductive sliding tube when it is in its second position.
  • the guide portion makes it possible to ensure reliable and good quality electrical contacts between certain electrical conductive pads and the one or more conductive portions of the sliding assembly.
  • FIG. 1 With particular reference to figures 1 and 2 , there is shown a first embodiment of an electric switch 11 according to the invention and forming here more particularly a circuit breaker for any electrical circuit connected to two primary electrical conductor pads 13, 14 in the sense defined above.
  • the circuit breaker switch 11 comprises a hollow body 16 of electrically insulating material delimiting a cavity 19, an actuator 23 and the two primary electrical conductive pads 13, 14 opening into the cavity 19.
  • the electric switch 11 also comprises a sliding assembly 20 that can be moved in the cavity.
  • the cavity 19 is cylindrical and the sliding assembly 20 is itself essentially cylindrical.
  • the sliding assembly 20 comprises a split tube 21 which comprises at least one conductive portion.
  • the split tube 21 is fully conductive.
  • the sliding assembly 20 further comprises a sliding drawer 22 of insulating material forming a kind of piston, adapted to move inside the cavity, so as to carry with it the split tube 21.
  • the actuator 23 is a pyrotechnic gas generator, known per se, installed in the hollow body so as to communicate with the cavity 19.
  • a gas expansion chamber 25 is defined between the pyrotechnic gas generator 23 and one of the axial end faces of the piston 22.
  • the piston 22 has a cavity 26 in its upstream face. directed towards the gas generator 23, and this cavity 26 constitutes a part of the gas expansion chamber 25.
  • the two electrical conductive pads 13, 14 are electrically connected between them, via the split tube 21 in a first position, called initial.
  • the electrical contact is established via the conductive portion (here all) of the split tube 21.
  • the split tube 21 moves to a second position in the cavity ( Figure 1B ), under the effect of the actuator 23, that is to say during the ignition of the pyrotechnic gas generator and in this case the electrical connection between the two conductive pads 13, 14 is broken, so that the primary upstream electrical conductive pad 13 is separated from the split tube 21.
  • the two conductive pads comprise two coaxial rings 13a, 14a axially offset along the direction of movement of the sliding assembly 20 and these rings 13a, 14a are at least in close contact with the portion conductive of the sliding assembly (here the split tube 21) when it is in said first position.
  • the inner faces of the rings 13a, 14a are flush with the wall of the cavity 19.
  • the split tube 21 is engaged by forced engagement between the rings 13a, 14a of said primary conductive pads 13, 14, which ensures an excellent electrical connection between said primary conductive pads during the entire period preceding the actuation of the electric switch 11.
  • the figure 2 shows how one can achieve a simple and economical way an electrical switch according to the circuit breaker just described.
  • the hollow body 16 is defined by the assembly of two housing elements 30, 31, respectively left 30 and right 31.
  • the housing member 30 has two threaded blind holes 32 surmounted by a laterally open recess 33 and whose shape is defined to accommodate a portion of each electrical conductive pad 13, 14 and a portion of a gas generator holder 12 .
  • Each electrical conductive pad has a ring 13a and 14a extended laterally by a connection bar 13b and 14b protruding outside the insulating hollow body so as to be connected to the external electrical circuit to the circuit breaker.
  • the second housing member 31 has two through holes 36 for inserting fixing screws 37.
  • it further comprises a laterally open recess 34 whose shape is defined to accept a portion of each electrical conductor pad 13, 14 and a portion of the gas generator support 12.
  • the gas generator support 12 is mounted between the two housing elements 30, 31 and comprises a bore 38 which receives at its end the gas generator 23.
  • the gas generator 23 is mounted inside said support 12 so that defining the gas expansion chamber 25 within said bore 38.
  • the split tube 21 is forcibly engaged in each of the two rings 13a, 14a.
  • the insulating drawer 22 is inserted inside the slotted slotted tube 21.
  • the insulating drawer 22 performs the following functions:
  • a first portion or upstream portion 41 cylindrical in shape, of diameter substantially equal to the diameter of the cavity 19, slides along the inner faces of said cavity.
  • the first part 41 comprises a cavity 26, here also substantially cylindrical, which partially delimits the initial volume of the expansion chamber 25.
  • the first portion 41 has two circumferential grooves 61, 62 spaced axially from each other and each receiving an O-ring 63, 64.
  • the piston 22 closes the gas expansion chamber 25 and allows the rapid increase of pressure in the enclosed environment of this chamber.
  • the gases generated in the gas expansion chamber 25 are prevented from infiltrating to the conductive rings 13a, 14a.
  • a groove 65 is advantageously formed in at least one of said grooves and configured to form a calibrated passage for exhausting air from the gas expansion chamber when mounting the piston 22 into the generator support. gas 12.
  • the piston 22, located at least partly upstream of the split tube, has the function of transmitting to said tube 21 the pressure force generated by the gases in the gas expansion chamber 25 and allowing the circuit to be broken by moving said tube 21.
  • This first portion 41 is extended by a second downstream portion 42, of slightly smaller diameter chosen to allow its insertion, possibly by force, inside the split tube once it inserted between the rings 13a, 14a.
  • This second part can act as a guide element for the split tube, during its displacement inside the cavity 19.
  • FIG. Figure 1B After triggering of the pyrotechnic gas generator 23, the situation is illustrated in FIG. Figure 1B .
  • the electrical connection between the two pads 13, 14 is interrupted.
  • the piston 22 has here, on a portion directly upstream of the split tube, a diameter at most equal to the outer diameter of the tube once inserted between the rings.
  • the diameter of the upstream portion of the piston is even slightly less than that of the split tube, so that the piston, driving the split tube, can slide easily between the rings, without being blocked. This is made possible here by a slight difference in diameter between the most upstream part of the cavity along which the piston (here formed by the bore of the generator support) slides and its downstream part (formed by the elements of housings), wider, into which the rings open.
  • the cavity 19 extends downstream by a guide portion 45 which guides the split tube 21 when it passes from the first to the second position and to ensure that it here is a rectilinear trajectory.
  • a damping pad 9 is inserted into the bottom of the cavity 19. If necessary, this damping pad 9 has the function of reducing the energy of the impact of the split conductive tube 21 and the insulating piston 22 when the two pieces come into contact. on the bottom of the switch body 16.
  • the electric switch 11A comprises, in addition to the two primary conductive pads 13, 14, a secondary electrical pad 50 situated downstream of the primary downstream conductive pad 14, also comprising a ring 50a extended laterally by a conduction bar 50b projecting out of the body of the switch.
  • FIG. 4A-4C illustrate another embodiment of a switch 11B that can be made from components generally similar to those shown in FIG. figure 2 and in which several groups of two primary conductive pads arranged in the extension of one another, upstream to downstream can be associated with the same sliding assembly.
  • a switch 11B can be made from components generally similar to those shown in FIG. figure 2 and in which several groups of two primary conductive pads arranged in the extension of one another, upstream to downstream can be associated with the same sliding assembly.
  • only two groups of such pairs of primary conductive pads have been shown, but it is clear that the device can be "expanded" in a modular fashion to include a larger number of groups of such pads.
  • a hollow body 16 of electrically insulating material delimiting a cavity 19, axially longer than in the previous embodiments, a pyrotechnic actuator 23 mounted at one end of this hollow body to define a gas expansion chamber 25 with the adjacent end of the piston 22A.
  • the piston 22A illustrated in more detail on the figure 5 , here has a different form from that of the embodiments described above, in that it is not extended by a complementary guide portion intended to be introduced into the split tube.
  • the split tube 21A is here dissociated from a movable piston 22A inside the cavity 19.
  • the piston 22A is then inserted between the split tube 21A and the pyrotechnic gas generator, the chamber of expansion 25 being defined between this piston 22A and the actuator 23.
  • the piston 22A which comprises only one portion 41 of diameter adapted to slide along the cavity 19, thus solicits the slit tube 21A only axially, to move it from the first to the second position.
  • the split tube 21A comprises two metal parts separated by an insulating portion 60 extending, in the initial position, between the two groups of pairs of primary conductive pads. In this way, each of said conductive portions 58, 59 connects exclusively the conductive pads of each group when the sliding assembly is in its initial position, illustrated on the Figure 4A .
  • the situation is that of the figure 4C that the slit tube 21 is completely clear of the upstream primary conductive pad 113 of the first group (the upstream group), that the downstream primary conductive pad 114 of the first group is in contact with the upstream primary conductive pad 213 of the second group by through the upstream split tube 58 while the downstream primary conductive pad 214 of the second group (downstream) is in electrical contact with the downstream portion of the split tube 59 but is electrically isolated from all other conductive pads because the portion insulator 60 is located between the two primary conductive pads of the second group (downstream).
  • a function of switch is made between the two groups of primary conductive pads, that is to say that the upstream primary conductive pad 213 of the second group plays the role of secondary conductive pads relative to the first group.
  • said two conductive portions of the split tube 21A are separated by an insulator 60 of less thickness than that of a conductive pad and in particular the upstream conductive pad 213 of the second group. So, as illustrated on the Figure 4B during the trajectory of the sliding assembly, and because the contact between the upstream portion of the split tube 21A and the upstream conductive pad of the first group has not yet been broken, all the conductive pads of the two groups are interconnected during a short time interval via the split tube.
  • combustion products of the gas generator may be conductive or contain metal particles. If the circuit to be cut is under high voltage, an electric arc or a metallization can occur in the chamber 25 after displacement of the piston 22.
  • the piston 22 is thus advantageously made of an insulating material, so that after actuation, both rings 13a, 14a are separated by an insulating part.

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  • Circuit Breakers (AREA)
  • Fuses (AREA)
  • Switches Operated By Changes In Physical Conditions (AREA)

Claims (13)

  1. Elektrischer Schalter (11, 11A, 11 B), umfassend
    einen Hohlkörper (16), der einen Hohlraum (19) begrenzt,
    eine Gleiteinheit (20), umfassend mindestens einen leitenden Abschnitt (21, 21A, 58, 59), und dazu vorgesehen, sich in dem Hohlraum (19) von einer ersten, so genannten Anfangsposition in eine zweite Position zu bewegen,
    einen Aktuator (23), der derart angeordnet ist, dass er mit der Gleiteinheit (20) zusammenwirkt und sie in dem Hohlraum (19) bewegt, und
    mindestens zwei primäre elektrische Kontaktstücke, ein stromaufwärtiges Kontaktstück (13, 113, 213) und ein stromabwärtiges Kontaktstück (14,114, 214), jeweils umfassend einen Ring (13a, 14a), der in den Hohlraum (19) mündet, wobei die Ringe (13a, 14a) koaxial und entlang der Bewegungsrichtung der Gleiteinheit (20) versetzt sind,
    wobei der leitende Abschnitt (21, 21A, 58, 59) der Gleiteinheit (20) durch eine Spannkraft mit den beiden primären elektrischen Kontaktstücken (13, 113, 213; 14, 114, 214) verbunden ist, wenn sich die Gleiteinheit (20) in ihrer ersten Position befindet, und wenn sich die Gleiteinheit (20) in ihrer zweiten Position befindet, das stromaufwärtige elektrische Kontaktstück (13, 113, 213) aus dem leitenden Abschnitt (21, 21 A, 58, 59) der Gleiteinheit (20) gelöst ist,
    wobei der Schalter (11, 11A, 11B) dadurch gekennzeichnet ist, dass die Gleiteinheit (20) mindestens ein Rohr (21, 21A) umfasst das mit einem schlitz (29) versehen ist, der sich über seine gesamte Länge erstreckt, und dass der leitende Abschnitt (21, 21A, 58, 59) der Gleiteinheit (20) zur Gänze oder teilweise von dem geschlitzten Rohr (21, 21A) gebildet ist, wobei die Spannkraft zwischen dem leitenden Abschnitt (21, 21A, 58, 59) und den primären elektrischen Kontaktstücken (13, 113, 213; 14, 114, 214) durch die Elastizität des geschlitzten Rohrs gewährleistet ist.
  2. Elektrischer Schalter (11, 11 A, 11 B) nach Anspruch 1, bei dem sich der Schlitz (29) in Axialrichtung des Rohrs (21, 21A) erstreckt.
  3. Elektrischer Schalter (11, 11 A) nach Anspruch 1 oder 2, bei dem die Gleiteinheit (20) ein komplementäres Spannelement (42) umfasst, das in das Innere des geschlitzten Rohrs (21) eingeführt wird und derart konfiguriert ist, dass es an das Rohr (21) eine äußere radiale Spannkraft in Richtung der elektrischen Kontaktstücke (13, 14) anlegt.
  4. Elektrischer Schalter (11, 11A, 11 B) nach einem der Ansprüche 1 bis 3, bei dem der Aktuator (23) ein pyrotechnischer Gasgenerator ist und die Gleiteinheit (20) ferner einen Kolben (22, 22A) umfasst, der im Inneren des Hohlraums (19) beweglich ist, wobei eine Gasexpansionskammer (25) zwischen dem pyrotechnischen Gasgenerator (23) und dem Kolben (22, 22A) definiert ist.
  5. Elektrischer Schalter (11, 11A, 11 B) nach Anspruch 4, bei dem der Kolben (22, 22A) mindestens eine Umfangsnut (61, 62) umfasst, die dazu vorgesehen ist, eine Dichtung (63, 64) aufzunehmen.
  6. Elektrischer Schalter (11, 11A) nach Anspruch 4 oder 5, bei dem der Kolben (22) aus einem Isoliermaterial hergestellt ist und einen ersten Teil (41), der dazu vorgesehen ist, entlang des Hohlraums (19) zu gleiten, und einen zweiten Teil (42) umfasst, der sich in der Verlängerung des ersten (41) befindet und dazu vorgesehen ist, zumindest teilweise in das Innere des geschlitzten Rohrs (21) eingeführt zu werden, um ein Führungselement des Rohrs (21) darzustellen.
  7. Elektrischer Schalter (11, 11A) nach Anspruch 6, bei dem der zweite Teil (42) fest im Inneren des geschlitzten Rohrs (21) montiert ist.
  8. Elektrischer Schalter (11, 11A, 11B) nach einem der Ansprüche 4 bis 7, bei dem der Kolben (22, 22A) einen stromaufwärts axial mündenden Hohlraum (26) aufweist, wobei der von diesem Hohlraum (26) begrenzte Raum zumindest einen Teil der Gasexpansionskammer (25) darstellt.
  9. Elektrischer Schalter (11A) nach einem der Ansprüche 1 bis 8, umfassend mindestens ein sekundäres elektrisches Kontaktstück (50), das stromabwärts zu den ersten und zweiten primären elektrischen Kontaktstücken (13, 14) angeordnet ist, und bei dem der Hub der Gleiteinheit (20) derart ist, dass, wenn sie sich in der zweiten Position befindet, das zweite primäre elektrische Kontaktstück (14) elektrisch an das sekundäre elektrische Kontaktstück (50) durch den leitenden Abschnitt der Gleiteinheit (20) angeschlossen ist.
  10. Elektrischer Schalter (11A) nach Anspruch 9, bei dem die Anordnung der Gleiteinheit (20) und der primären und sekundären elektrischen Kontaktstücke (13, 14, 50) derart ist, dass in einer Zwischenposition der Gleiteinheit die primären (13, 14) und sekundären (50) elektrischen Kontaktstücke elektrisch durch den leitenden Abschnitt (21) der Gleiteinheit (20) angeschlossen sind.
  11. Elektrischer Schalter (11 B) nach einem der Ansprüche 1 bis 10, umfassend mindestens zwei Gruppen von zwei primären elektrischen Kontaktstücken (113, 114; 213, 214), die in der Verlängerung zueinander von stromaufwärts nach stromabwärts angeordnet sind, und bei dem die Gleiteinheit (20) eine entsprechende Anzahl von leitenden Abschnitten (58, 59), die elektrisch voneinander isoliert sind, umfasst, wobei jeder dieser leitenden Abschnitte (58, 59) ausschließlich die Kontaktstücke (113, 114; 213, 214) jeder Gruppe verbindet, wenn sich die Gleiteinheit (20) in ihrer Ausgangsposition befindet.
  12. Elektrischer Schalter (11 B) nach Anspruch 11, bei dem die Anordnung der Gleiteinheit (20) und der Kontaktstücke (113, 114; 213, 214) der beiden Gruppen derart ist, dass für eine Zwischenposition der Gleiteinheit (20) die Kontaktstücke der beiden Gruppen alle über die leitenden Abschnitte (58, 59) elektrisch verbunden sind.
  13. Elektrischer Schalter (11 B) nach Anspruch 12, bei dem die leitenden Abschnitte (58, 59) durch einen Isolator (60) mit einer geringeren Dicke als jene eines Kontaktstückes getrennt sind.
EP13744630.8A 2012-06-29 2013-06-26 Elektrischer schalter zur herstellung eines schnellbetätigungsschutzschalters Active EP2867912B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1256248A FR2992770B1 (fr) 2012-06-29 2012-06-29 Interrupteur electrique formant coupe-circuit a actionnement rapide
PCT/FR2013/051486 WO2014001713A1 (fr) 2012-06-29 2013-06-26 Interrupteur electrique formant coupe-circuit a actionnement rapide

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EP2867912A1 EP2867912A1 (de) 2015-05-06
EP2867912B1 true EP2867912B1 (de) 2016-04-13

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US (1) US9418807B2 (de)
EP (1) EP2867912B1 (de)
JP (1) JP2015525945A (de)
KR (1) KR20150024939A (de)
CN (1) CN104541354B (de)
BR (1) BR112014032841A2 (de)
CA (1) CA2877890A1 (de)
FR (1) FR2992770B1 (de)
MX (1) MX338048B (de)
WO (1) WO2014001713A1 (de)

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Publication number Priority date Publication date Assignee Title
DE102014110825A1 (de) * 2014-07-30 2014-09-18 Peter Lell Elektrischer Schalter, insbesondere für hohe Spannungen und/oder hohe Ströme
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MX2015000002A (es) 2015-04-08
FR2992770A1 (fr) 2014-01-03
MX338048B (es) 2016-03-31
CA2877890A1 (en) 2014-01-03
JP2015525945A (ja) 2015-09-07
CN104541354A (zh) 2015-04-22
WO2014001713A1 (fr) 2014-01-03
EP2867912A1 (de) 2015-05-06
KR20150024939A (ko) 2015-03-09
BR112014032841A2 (pt) 2017-06-27
US20150206681A1 (en) 2015-07-23
FR2992770B1 (fr) 2014-08-01
CN104541354B (zh) 2017-03-15
US9418807B2 (en) 2016-08-16

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