EP3002769B1 - Protection intégrée - Google Patents

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Publication number
EP3002769B1
EP3002769B1 EP14187340.6A EP14187340A EP3002769B1 EP 3002769 B1 EP3002769 B1 EP 3002769B1 EP 14187340 A EP14187340 A EP 14187340A EP 3002769 B1 EP3002769 B1 EP 3002769B1
Authority
EP
European Patent Office
Prior art keywords
circuit breaker
contact
contact carrier
main
precharge
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
EP14187340.6A
Other languages
German (de)
English (en)
Other versions
EP3002769A1 (fr
Inventor
Josef Graf
Tanja Herrmann
Alexander Oberleiter
Norbert Zimmermann
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
Original Assignee
Siemens AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Siemens AG filed Critical Siemens AG
Priority to EP14187340.6A priority Critical patent/EP3002769B1/fr
Priority to CN201520775690.8U priority patent/CN205303354U/zh
Publication of EP3002769A1 publication Critical patent/EP3002769A1/fr
Application granted granted Critical
Publication of EP3002769B1 publication Critical patent/EP3002769B1/fr
Active 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
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/54—Mechanisms for coupling or uncoupling operating parts, driving mechanisms, or contacts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/541—Auxiliary contact devices
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H50/00—Details of electromagnetic relays
    • H01H50/54—Contact arrangements
    • H01H50/546—Contact arrangements for contactors having bridging contacts

Definitions

  • the invention relates to a contactor, which has main and Vorladeuttone and is designed to switch high power arc-avoiding by coordinated closing and opening of the main and Vorladeabele.
  • the contactor according to the invention is compact and easy to manufacture.
  • the invention relates to a control cabinet, in which in addition to a variety of switching devices and at least one contactor according to the invention is installed, which has the same installation depth as the other switching devices.
  • a multi-pole switching device which comprises a ballast module in the form of a rake.
  • the ballast module has a first and a second part, which are each provided with spring-mounted contact bridges and are releasably coupled to each other via a permanent magnet and a magnetizable plate.
  • the first part also has an integrally formed crosspiece, which projects out of the first part as an arm and partly projects beyond the second part in the upstream module. On the crosspiece a portion is formed with a T-shaped cross-section which is positively connected to a valve of an electromagnet.
  • the publication CN 202616144 U discloses a capacitor contactor comprising a plurality of main and precharge contacts with associated contact bridges.
  • the contact bridges are spring-loaded in a main contact carrier and a pre-charge contact carrier and are movable along an axial direction.
  • the auxiliary contact carrier is formed in two parts, so that dissolves when closing the main contacts, a first part of the pre-charging contact carrier of a magnetically coupled second part of the pre-charging contact carrier.
  • the precharge contacts are accommodated in a ballast module in a separate housing which separates precharge contacts from the main contacts.
  • a precharge contact unit which comprises a crossbar, which is arranged vertically movable in a housing of the precharge contact unit.
  • To Crossbar includes a body on which a plurality of partitions is attached, which are connected to an attached cross member. Between the main body and the cross member further transversely oriented carrier are arranged, which divide the contact cells defined by the partitions, the main body and the cross member.
  • On the cross member further comprises a coupling piece is mounted, which is adapted to form a positive connection with a mechanical counterpart. The operation of the Crossbar via a force acting axially on the coupling piece force.
  • a disadvantage of the known contactors is that their mechanical structure requires a lot of space. As a result, with a large number of sizes of contactors, the standard mounting depth of other switching devices in a control cabinet can not be complied with. In view of the increasing complexity of any kind of machines, the number of contactors in a control cabinet is increasing, so that the goal is to reduce contactors. Furthermore, the solutions known from the prior art are based on the fact that geometrically complex components are used. The manufacture and handling of such complex components is detrimental to rapid and efficient manufacture of shooters.
  • the invention has for its object to provide an improved contactor, which overcomes the disadvantages of the prior art. Another object is to provide a cabinet that is space-saving equipped with switching devices and contactors.
  • the task is solved by the contactor according to the invention according to independent claim 1 and its further embodiments according to the dependent claims 2 to 12. Furthermore, the task is solved by a control cabinet according to independent claim 13.
  • the contactor according to the invention comprises a main contact carrier, which is movably received in a housing of the contactor. At least one main contact bridge, which is arranged in a main contact cell, is attached to the main contact carrier. The main contact in the contactor is switched by means of the main contact carrier.
  • the contactor according to the invention further comprises a pre-charging contact carrier, which is provided with at least one Vorladebergmaschine. Adjacent to the precharge contact carrier is a switching chamber component mounted in the contactor to which a static precharge contact is attached.
  • the precharge contact bridge is configured to close the static precharge contact, thereby establishing a precharge contact.
  • a precharge contact carrier spring is arranged, so that the precharge contact carrier is elastically received on the switching chamber component.
  • the precharge contact carrier is releasably connectable by means of a magnet with a coupling extension on the main contact carrier. Upon actuation of the contactor according to the invention, the release of the magnetic coupling takes place on the magnet when the main contact is closed and the precharge contact is open.
  • a direct releasable coupling between the main contact carrier and the pre-charging contact carrier makes it possible to save space in the switching mechanism of the contactor according to the invention, so that the installation depth of the contactor can be reduced.
  • the precharge contact carrier in the contactor according to the invention has a simple geometry.
  • complex multipart precharge contact carriers which have coupling mechanisms in themselves, can be dispensed with.
  • the precharge contact carrier has due to its simple geometry to a reduced number of dimensions, which are to be maintained to ensure the operating precision of the contactor low tolerances.
  • a concatenation of manufacturing tolerances, which are necessary for sufficient operating precision, as is common in multi-part pre-charging contact carriers, is eliminated. As a result, the overall production of the contactor according to the invention is further simplified.
  • the contactor according to the invention may further be formed on one side of the switching chamber component a stop surface.
  • the stop surface is preferably an area on a side of a bottom portion of the switching chamber component facing the precharge contact carrier.
  • the precharge contact carrier Due to the spring force of the precharge contact carrier spring, the precharge contact carrier is then moved to a position where the precharge contact is open. In this way, a decoupling in a switching operation is ensured in a reliable manner, so that after closing a main contact of the pre-charging is opened automatically and the switching operation is completed.
  • the coupling extension is formed integrally with a partition which delimits the at least one main contact cell.
  • the coupling extension is formed as the end region of the partition, which is the pre-charge contact carrier.
  • the one-piece shape of the coupling extension with the partition represents a component-saving and easy-to-manufacture variant of the contactor according to the invention.
  • the coupling extension is arranged on a strut, the at least two partitions in the main contact carrier connects to each other.
  • the strut encloses a main contact cell with two partitions each. This provides another possibility where the coupling extension can be arranged in the contactor.
  • a coupling extension which is connected to the strut, can be structurally positioned at a plurality of locations on the main contact carrier, so that the contactor according to the invention can be adapted to differently configured precharge contact carriers. This overall improves the scalability of the contactor according to the invention.
  • the main contact carrier may have a coupling extension in the contactor according to the invention, which extends through a recess in the switching chamber component.
  • the main contact carrier can be produced in a simple manner, with the position of the end of the coupling extension in relation to a stroke direction being relevant for the kinematics and operating precision of the contactor according to the invention. Furthermore, space is further saved by the coupling extension, which extends through the recess in the switching chamber component.
  • the switching chamber component also has an easy-to-manufacture form. Overall, the contactor according to the invention has a reduced complexity compared to the solutions known from the prior art, wherein the components of the contactor can be produced even with reduced effort. The contactor is also built to save space.
  • the recess has a peripheral border.
  • the recess is formed substantially as an opening in the bottom portion of the switching chamber component.
  • the border of the recess End points and is formed as a material recess at the edge of the bottom portion of the switching chamber component.
  • the switching chamber component is firmly connected to a housing of the contactor.
  • the already existing housing is used in the kinematics of the contactor as a fixed point for the switching chamber component, and thus also as a fixation for the case of a switching operation to be traversed movements of Vorladeuttonologis.
  • the switching chamber component is thus an anchor point for the kinematics of the precharging contact carrier and the main contact carrier. As a result, the switching mechanism of the precharge contact is compactly coupled to the main contact carrier.
  • the contactor according to the invention may further be formed between the bottom portion of the switching chamber component and the movable main contact carrier, a working stroke along which the main contact carrier can be moved.
  • the available space in the contactor is thereby exploited more, so that the installation depth of the contactor can be further minimized.
  • the main contact carrier is provided with a ferromagnetic armature, which can be moved by means of a magnetic coil, which is arranged in the region of the bottom of the housing, along a stroke direction of the main contact carrier.
  • the solenoid also serves to hold the main contact carrier in the appropriate position when the main contacts are closed.
  • a solenoid provides a reliable means of electrically actuating actuation of the contactor.
  • the pre-charging contact carrier can be formed in one piece.
  • the one-piece Vorladeutton thereby comprises at least one auxiliary contact cell, which is limited by partitions. Between the partitions on Vorladeromenum a spring carrier is preferably formed, on which a Vorladeromefeder can be stored.
  • the one-piece Vorladeuttonffy is formed symmetrically, so that a Installation in several orientations and mounting positions is possible.
  • the one-piece Vorladeromeffy can be made for example as an injection molded part quickly and cost-effectively.
  • a complex assembly step as in a multi-part precharge contact carrier, which has a coupling mechanism in itself, is eliminated. Furthermore, a mechanical handling of the individual components during assembly is facilitated by a symmetrical shape of the precharging contact carrier, thereby further increasing cost efficiency.
  • a pre-charging contact bridge spring is arranged between a pre-charging contact bridge and the pre-charging contact carrier, which has a spring travel.
  • the mechanical coupling of the main contact carrier to the precharge contact carrier forces the precharge contact carrier to continue its lifting movement.
  • the Vorladeutton Portugal is elastically supported by the Vorlade. Why the precharge contact carrier and the precharge contact bridge is the pressure path of the precharge contact carrier.
  • the contactor according to the invention may comprise a ferromagnetic plate which is arranged on the coupling extension on the main contact carrier or on the pre-charging contact carrier.
  • the ferromagnetic plate interacts with the magnet, so that a releasable magnetic coupling is realized in a simple manner.
  • the ferromagnetic plate makes it possible to manufacture the main contact carrier completely in a cost-efficient manner by injection molding.
  • the ferromagnetic plate itself can be easily attached to the coupling extension, so that the production of the contactor according to the invention is further simplified and more cost-efficient.
  • the static main contact and / or the static pre-charging contact and / or the main contact bridge and / or the pre-charging contact bridge are each provided with a contact plate.
  • the contact plate is formed from a material capable of burning under the action of an arc.
  • the coupling extension and the recess in the switching chamber component on a manufacturing tolerance, so that adjusts an edge clearance between them.
  • the marginal clearance makes it possible to ensure a guidance of the coupling extension and at the same time to simplify the assembly.
  • a small distance between the edge of the recess and the coupling extension prevents the coupling extension from being excessively inclined during operation.
  • a high distance between the edge of the recess and the coupling extension ensures that during assembly of the inventive contactor the main contact carrier and the switching chamber component can be handled with a low precision.
  • the production of the contactor according to the invention is simplified and accelerated and increases the reliability of the contactor.
  • the contactor according to the invention can also be designed multipolar and be provided with a plurality of main contact bridges and Vorlademindmaschinen.
  • the number of main contact bridges preferably corresponds to the number of precharge contact bridges, one main contact each being connected via a resistance wire to a precharging contact.
  • the solution according to the invention is applicable to contactors of any size.
  • the contactor is designed as a motor contactor, as a capacitor contactor or as an auxiliary contactor.
  • the contactor according to the invention can thus be used for a wide range of uses.
  • the switching cabinet according to the invention has assembly stations which are designed to serve as a mechanical and electrical connection for a large number of switching devices and the at least one contactor.
  • the switchgear housed in the control cabinet and the at least one contactor serve for control and safety functions of sensors and actuators in one machine.
  • the front parts of the switching devices and contactors have a distance from the mounting place, which is also referred to as installation depth.
  • the at least one contactor according to one of the embodiments described above is formed and has an installation depth which is identical to the installation depth of the other switching devices in the control cabinet. As a result, the inventive Kunststoff EN thus has a reduced depth. Additional space in the cabinet, which was previously required to accommodate larger capacitor contactors, is saved in the control cabinet according to the invention.
  • FIG. 1 schematically a contactor 10 according to the invention is shown in cross section.
  • the contactor 10 comprises a housing 12, to which a bottom 16, a front part 17 and a side wall 14 belongs.
  • the side wall 14 substantially encloses the switching mechanism of the contactor 10 and the front part 17 forms the surface of the contactor 10, which faces an operator in operation.
  • a fastening device 18 is arranged, which is adapted to mount the contactor 10 at a mounting location, not shown, for example, a DIN rail.
  • a laminated core 49 is mounted inside the housing 12, which is provided with a magnetic coil 48.
  • a magnetic force is generated, which acts on a second-off ferromagnetic armature 46 of a main contact carrier 40.
  • the magnetic force between the magnet coil 48 with the laminated core 49 and the ferromagnetic armature 46 ensures during operation of the contactor 10 closing and holding a main contact bridge 24.
  • a static main contact 20 is fixedly connected to the side wall 14 of the housing 12, which is designed to to make a conductive connection with the main contact bridge 24.
  • the conductive connection forms the main contact.
  • the main contact bridge 24 is connected by a fastening means 44 with a main contact carrier 40 which is movably received in the housing 12 along a stroke direction 62.
  • a contact region 26, on the static main contacts 20, which is arranged opposite a portion of the main contact bridge 24, is provided with a contact plate, over which flows at a closing of the main contact electric current.
  • the main contact carrier 40 further includes a projection 42 on which the main contact bridge 24 is resiliently secured. Adjacent to the main contact bridge 24 and the projection 42, a coupling projection 41 is formed, which is integrally formed on the main contact carrier 40. As a result, actuation of the solenoid 48 causes movement of the coupling extension 41 with the main contact back support 40 and the main contact bridge 24 out.
  • the coupling extension 41 is additionally provided with a ferromagnetic plate 43, which is adapted to produce a releasable magnetic coupling with a magnet 54.
  • a switching chamber component 55 is further arranged, which is fixedly connected to the housing 12.
  • the switching chamber component 55 essentially has a trough shape with a bottom section 56 and an adjacent contact wall 59.
  • static pre-charging contacts 30 are fixed, which cooperate with Vorlademindmaschinen 34.
  • the static precharging contacts 30 with the precharging contact bridges 34 form the precharging contacts.
  • the bottom portion 56 is an in FIG. 2 formed recess 60 through which the coupling projection 41 projects through and extends into the trough shape of the switching chamber component 55.
  • the coupling projection 41 with the ferromagnetic plate 43 is releasably coupled to the magnet 54 which is attached to a precharge contact carrier 50.
  • the coupling projection 41 extends on the side of the bottom portion 56 which faces the precharge contact carrier 50.
  • the precharge contact carrier 50 is movably received in the housing 12 along the stroke direction 62 and includes a spring carrier 52 to which a precharge contact spring 36 is attached.
  • the precharge contact spring 36 biases the precharge contact bridge 34 with a spring force that presses the precharge contact bridge 34 against the static precharge contacts 30.
  • the spring carrier 52 of the precharge contact carrier 50 is also provided with a control piece 58.
  • FIG. 2 is in an oblique view, the switching mechanism of the contactor 10 of the invention FIG. 1 with the omission of the housing 12 and the magnetic coil 48 with the laminated core 49 shown.
  • FIG. 2 the main contact carrier 40, which is movable along a stroke direction 62.
  • static main contacts 20 are arranged, which are attached to a connecting section 22 on a side wall 14 of the housing 12.
  • the static Main contacts 20 are provided with contact plates 28 which form contact surfaces 26 together with further contact plates 28 on the main contact bridges 24.
  • the main contact bridges 24 are connected via fastening means 44 to the main contact carrier 40 elastically.
  • the main contact carrier 40 has a plurality of partitions 45 which divide a precharge contact carrier 50 facing side of the main contact carrier 40 into a plurality of main contact cells 47.
  • partitions 45 on the main contact carrier 40 each have a coupling extension 41, which is formed integrally with the respective partition wall, and consequently also integrally with the main contact carrier 40.
  • the coupling projection 41 extends through a recess 60 formed in the bottom portion 56 of the switching chamber component 55.
  • the switching chamber component 55 is connected via its contact walls 59 fixed to the housing 12 of the contactor 10, and remains stationary during the operation of the contactor 10.
  • the space between the main contact bridges 24 and the bottom 57 of the bottom portion 56 of the switching chamber component 55 is increased or decreased in a movement of the main contact carrier 40 along the stroke direction 62.
  • the movement of the precharge contact carrier 50 along the stroke direction 62 is limited by a stop surface 39 which is formed on the bottom portion 56 of the switching chamber component 55.
  • the precharge contact bridges 34 and the static precharge contacts 30 are each provided with contact pads 28 which, pressed together, define the contact surface 26.
  • the Vorladeuttonippofeder 38 is fixed on the floating of the precharge contact carrier 50 is mounted.
  • the precharge contact carrier 50 is integrally formed and includes a plurality of partitions 70 that divide the precharge contact carrier 50 into precharge contact cells 72. In each case a precharge contact cell 72 is a Vorlade.zellen 36 a Vorladeutton Kunststoff 34 floatingly mounted.
  • the precharge contact bridge springs 36 are each secured to a spring carrier 52 connecting the partitions 70 of the precharge contact carrier 50. Thereby, the precharge contact springs 36 define one FIG. 3 and 4 Further illustrated fürweg 68 of Vorladeuttonikis 50. On spring support 52, a control piece 58 is further formed.
  • the precharge contact carrier 50 is provided with a magnet 54, which is arranged on a lower side of the precharge contact carrier 50.
  • the magnet 54 is configured to make a magnetic coupling with the ferromagnetic plate 43 attached to the coupling extension 41 so that the precharge contact carrier 50 is kinematically coupled to the main contact carrier 40.
  • the magnetic holding force between the magnet 54 and the ferromagnetic plate 43, the combined spring forces of the Vorladeuttonarmefeder 38 and the Vorlademindfedern 36 upon actuation of the contactor 10 are opposite.
  • the individual pre-charge contact springs 36 and the pre-charge contact carrier spring 38 behave like cascaded springs.
  • FIG. 3 shows the starting position of the contactor 10 when both its precharging contacts with the static precharging contacts 30 and the Vorladeutton Wegn 34 and its main contacts with the static main contacts 20 and the main contact bridges 24 are open.
  • FIG. 3 The situation according to FIG. 3 occurs before an actuation operation of the contactor 10 according to the FIG. 1 and 2 is initiated.
  • magnetic coil 48 is deactivated and the contact pads 28 on the static auxiliary and main contacts 30, 20 separated from the auxiliary and main contact bridges 24, 34.
  • Magnetic coupling is provided between the magnet 54 and the ferromagnetic plate 43 attached to the end of the coupling projection 41, so that the movement of the main contact carrier 40 along the stroke direction 62 is coupled to the movement of the precharge contact carrier 50.
  • the Vorladeuttonfedern 36 relaxed and on the Vorlade didacticangofeder 38 the switching chamber component 55 is floatingly mounted at its bottom portion 56.
  • the coupling projection 41 with the ferromagnetic plate 43 extends through the recess 60, which is formed in the bottom portion 56, so that the main contact carrier 40 can move freely along the stroke direction 62.
  • the passage 68 of the precharge contact spring 36 is defined.
  • the precharge contact carrier 50 When the precharge contact carrier 50 is actuated, the precharge contacts 30 pass through a precharge contact stroke 64 corresponding to the distance between the precharge contact bridges 34 and the static precharge contacts 30.
  • an electrically conductive connection is made to the static precharge contacts 30 by the precharge contact bridges 34 and the precharge contact carrier 50 moves further along the stroke direction 62, the precharge contact spring 36 is compressed.
  • the combined movement of the precharge contact carrier 50 along the precharge contact stroke 64 and the throughpressure path 68 corresponds to an extension of the precharge contact bridge 34 and the spring carrier 52 Working strokes 65.
  • the working stroke 65 lies between the underside 57 of the bottom portion 56 of the switching chamber component 55 and the main contact bridge 24.
  • the height of the main contact stroke 66 between the main static contacts 20 and the main contact bridge decreases 24 is formed.
  • the height of the main contact stroke 66 becomes zero, there is an electrically conductive connection between the contact pads 28 on the static main contacts 20 and the main contact bridge 24.
  • the height of the working stroke 65 is reduced due to the elastic mounting of the main contact bridges 24.
  • the working stroke 65 is in the area defined by the bottom 57 of the bottom portion 56 and the main contact bridge 24.
  • the space given by the main contact cell 47 defined by partitions 45 is better utilized, so that the contactor 10 is designed to save space along the stroke direction 62.
  • FIG. 4 the position of the components of the switching mechanism of the contactor 10 is shown, which after an actuation process starting from the in FIG. 3 adjusted starting position.
  • FIG. 4 is between the main contact bridge 24 and the static main contacts 20 via contact pads 28 before an electrically conductive connection.
  • the contact plates 28 define a contact plane 26 on a respective static main contact 20.
  • the main contact stroke 66 is in accordance with FIG FIG. 3 in FIG. 4 a height of zero and is not shown in detail.
  • the working stroke 65 between the main contact bridge 24 and the bottom 57 of the bottom portion 56 of the switching chamber component 55 has its maximum Height up.
  • the main contact carrier 40 is held in position via the magnetic coil 48, not shown, so that the electrically conductive connection to the static main contacts 20 is permanently ensured.
  • the partition walls 45 which define a plurality of main contact cells 47 on the main contact carrier 40, each extend with their coupling extension 41 through the recess 60 in the bottom section 56.
  • the end of the coupling extension 41 which is provided with the ferromagnetic plate 43, is located on the Vorladeuttonango 50 facing side of the bottom portion 56. Opposite the coupling extension 41 of the precharge contact carrier 50 is arranged, which is pushed away from the Vorladeromelatifeder 38 from the bottom portion 56.
  • the magnetic force between the magnet 54 and the ferromagnetic plate 43 is significantly lower than the spring force of the precharge contact carrier spring 38.
  • the spring force of the precharge contact carrier spring 38 causes a floating mounting of the precharge contact carrier 50 FIG. 4 Between the precharge contact bridges 34 and the static precharge contacts 30, which are attached to the contact wall 59 of the switching chamber component 55, there is a precharge contact stroke 64. Further, between the precharge contact carrier 34 and the spring carrier 52 of the precharge contact carrier 50, a pressurized path 68 is present. The precharge contact bridge 34 is fastened to the spring carrier 52 with a precharge contact spring 36.
  • FIG. 5 shows in a detailed view of the magnetic coupling with the magnet 54 and provided with the ferromagnetic plate 43 coupling projection 41 in the coupled state.
  • the coupled state corresponds to a starting position of the contactor 10 according to FIG. 3 .
  • the coupling extension 41 extends through the recess 60 which in the bottom portion 56 of Switching chamber component 55 is formed and is located substantially between the precharging contacts 20 occupied with contact pads 28 and the bottom portion 56.
  • the coupling projection 41 is located with the ferromagnetic plate 43 on the Vorladeromeriad 50 side facing the bottom portion 56.
  • the magnet 54 on Vorladeromethe 50 sticks out of this.
  • the precharge contact carrier spring 38 is also arranged, on which the precharge contact carrier 50 is mounted in a floating manner.
  • FIG. 5 The Vorlade.forementioned herein with the unspiked Vorlade.federn 36, which are arranged between partitions 70 of the Vorlade.the 50, a compressive force which is opposite to the magnetic force between the magnet 54 and the ferromagnetic plate 43 opposite.
  • the precharge contact carrier 50 follows the main contact carrier 40.
  • the precharge contact carrier 50 reaches the abutment surface 39, the magnetic coupling between the magnet becomes 54 and the ferromagnetic plate 43 solved. This sets a position of the components, as in FIG. 6 displayed.
  • FIG. 6 schematically shows the dissolved magnetic coupling in the contactor 10 between the magnet 54 and the coupling projection 41 with the ferromagnetic plate 43 in a detailed view.
  • the dissolved magnetic coupling stands out FIG. 5 characterized in that between the pre-charging contact carrier 50 and the ferromagnetic plate 43, a distance is formed, which corresponds to a spring travel 61 of the pre-charging contact carrier spring 38.
  • the precharge contact carrier spring 38 disposed between the precharge contact carrier 50 and the bottom portion 56 of the switching chamber component 55 takes in FIG. 6 an equilibrium position which is established by the floating mounting of the precharge contact carrier 50 on the switching chamber component 55.
  • the coupling projection 41 is formed on the partition wall 45 on the main contact carrier 40 and is located with the ferromagnetic plate 43 on the side of the bottom portion 56 which faces the precharge contact carrier 50. In this case, the coupling projection 41 extends through the recess 60, which is formed in the bottom portion 56 of the switching chamber component 55.
  • the holding force applied to the main contact carrier 40 by the unillustrated solenoid 48 is so high that the main contact carrier 40 for the precharge contact carrier 50 is substantially a fixed abutment, so that the precharge contact carrier 50 can move independently of the main contact carrier 40 along the stroke direction 62.

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  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Switch Cases, Indication, And Locking (AREA)
  • Catalysts (AREA)

Claims (13)

  1. Contacteur (10) comprenant un porte-contact ( 40 ) principal mobile, qui a au moins une cellule (47 ) de contact principale, et un porte-contact ( 50 ) de précharge, qui, au moyen d'un ressort ( 38 ) de porte-contact de précharge, est reçu élastiquement sur un composant ( 55 ) de chambre de commutation ayant un contact ( 30 ) de précharge statique, caractérisé en ce que le porte-contact ( 50 ) de précharge peut être relié d'une manière amovible, au moyen d'un aimant ( 54 ), directement à un prolongement ( 41 ) de couplage du porte-contact ( 40 ) principal, le prolongement ( 41 ) de couplage étant constitué d'une pièce avec une cloison ( 45 ) du porte-contact ( 40 ) principal, qui délimite au moins une cellule ( 47 ) de contact principale, ou étant monté sur une entretoise, qui relie au moins deux cloisons ( 45 ) du porte-contact (40) principal, qui délimitent la au moins une cellule ( 47 ) de contact principale.
  2. Contacteur ( 10 ) suivant la revendication 1, caractérisé en ce que le composant ( 55 ) de chambre de commutation a une surface ( 39 ) de butée.
  3. Contacteur ( 10 ) suivant l'une des revendications 1 ou 2, caractérisé en ce que, dans une partie ( 56 ) de fond du composant ( 55 ) de chambre de commutation, est constitué un évidemment ( 60 ), dans lequel s'étend le prolongement ( 41 ) de couplage.
  4. Contacteur ( 10 ) suivant la revendication 3, caractérisé en ce que l'évidemment ( 60 ) a une bordure faisant le tour ou une bordure ayant des points d'extrémité.
  5. Contacteur ( 10 ) suivant l'une des revendications 1 à 4, caractérisé en ce que le composant ( 55 ) de chambre de commutation est relié fixement à un boîtier ( 12 ) du contacteur ( 10 ).
  6. Contacteur ( 10 ) suivant l'une des revendications 1 à 5, caractérisé en ce que le porte-contact ( 40 ) principal a une armature ( 46 ) ferromagnétique, qui peut être déplacée sur un fond ( 16 ) du boîtier ( 12 ) au moyen d'un aimant ( 48 ).
  7. Contacteur ( 10 ) suivant l'une des revendications 1 à 6, caractérisé en ce que le porte-contact ( 50 ) de précharge est constitué d'une seule pièce.
  8. Contacteur ( 10 ) suivant l'une des revendications 1 à 7, caractérisé en ce qu'un ressort ( 36 ) de pont de contact de précharge est monté entre un pont ( 34 ) de contact de précharge et le porte-contact ( 50 ) de précharge et la course élastique du ressort ( 36 ) de pont de contact de précharge correspond, lors d'un actionnement du porte-contact ( 50 ) de précharge, à un trajet ( 68 ) d'enfoncement du porte-contact ( 50 ) de précharge.
  9. Contacteur ( 10 ) suivant l'une des revendications 1 à 8, caractérisé en ce qu'une plaque (43) ferromagnétique est montée sur le prolongement ( 41 ) de couplage, pour le couplage, avec possibilité de se désaccoupler, à l'aimant ( 54 ).
  10. Contacteur ( 10 ) suivant l'une des revendications 1 à 9, caractérisé en ce que les contacts ( 30 ) de précharge statiques et/ou le porte-contact ( 34 ) principal et/ou le porte-contact ( 24 ) de précharge sont pourvus chacun d'une plaquette ( 28 ) de contact.
  11. Contacteur ( 10 ) suivant l'une des revendications 1 à 10, caractérisé en ce que le contacteur ( 10 ) est multipolaire et a une pluralité de ponts ( 24 ) de contact principal et de ponts ( 24 ) de contact de précharge.
  12. Contacteur ( 10 ) suivant l'une des revendications 1 à 11, caractérisé en ce que le contacteur ( 10 ) est constitué sous la forme d'un contacteur à condensateur, d'une protection de moteur ou d'un contacteur auxiliaire.
  13. Armoire de commande comprenant un profilé en chapeau ayant une pluralité d'appareils de commutation et au moins un contacteur ( 10 ) suivant l'une des revendications 1 à 12.
EP14187340.6A 2014-10-01 2014-10-01 Protection intégrée Active EP3002769B1 (fr)

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EP14187340.6A EP3002769B1 (fr) 2014-10-01 2014-10-01 Protection intégrée
CN201520775690.8U CN205303354U (zh) 2014-10-01 2015-10-08 集成的接触器和具有该接触器的开关柜

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Publication number Priority date Publication date Assignee Title
CN105977101B (zh) * 2016-05-05 2019-01-18 厦门宏发开关设备有限公司 一种主触点与辅助触点绝缘隔离结构
US20240021391A1 (en) * 2020-10-23 2024-01-18 Safran Power Usa, Llc System and method for setting arc gaps on a plurality of auxiliary switches of an electrical contactor
JP7380608B2 (ja) * 2021-01-22 2023-11-15 富士電機機器制御株式会社 密閉型電磁接触器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2684797B1 (fr) 1991-12-05 1994-03-04 Telemecanique Dispositif de commutation multipolaire a action partiellement fugitive.
KR200415843Y1 (ko) 2006-02-16 2006-05-08 엘에스산전 주식회사 전자접촉기의 보조접점 유닛
CN102623252B (zh) 2012-01-31 2014-10-15 上海诺雅克电气有限公司 具有双稳态限流触头的电容接触器
EP2775502B1 (fr) * 2013-03-08 2017-11-29 Siemens Aktiengesellschaft Appareil de commutation pour la commutation d'un condensateur

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CN205303354U (zh) 2016-06-08

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