EP2919246B1 - Module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact, arbre de rotor pour un commutateur de puissance compact, commutateur de puissance compact, ainsi que procédé de fabrication d'un module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact - Google Patents

Module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact, arbre de rotor pour un commutateur de puissance compact, commutateur de puissance compact, ainsi que procédé de fabrication d'un module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact Download PDF

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Publication number
EP2919246B1
EP2919246B1 EP14196006.2A EP14196006A EP2919246B1 EP 2919246 B1 EP2919246 B1 EP 2919246B1 EP 14196006 A EP14196006 A EP 14196006A EP 2919246 B1 EP2919246 B1 EP 2919246B1
Authority
EP
European Patent Office
Prior art keywords
rotor shaft
module
circuit breaker
insert element
case circuit
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
EP14196006.2A
Other languages
German (de)
English (en)
Other versions
EP2919246A1 (fr
Inventor
Erhard Deylitz
Wolfgang Erven
Björn Gehrke
Alexander Kupsch
Jörg-Uwe DAHL
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
Publication of EP2919246A1 publication Critical patent/EP2919246A1/fr
Application granted granted Critical
Publication of EP2919246B1 publication Critical patent/EP2919246B1/fr
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
    • H01H19/00—Switches operated by an operating part which is rotatable about a longitudinal axis thereof and which is acted upon directly by a solid body external to the switch, e.g. by a hand
    • H01H19/02—Details
    • H01H19/10—Movable parts; Contacts mounted thereon
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H01H1/2058—Rotating bridge being assembled in a cassette, which can be placed as a complete unit into a circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H11/00—Apparatus or processes specially adapted for the manufacture of electric switches
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H1/00—Contacts
    • H01H1/12—Contacts characterised by the manner in which co-operating contacts engage
    • H01H1/14—Contacts characterised by the manner in which co-operating contacts engage by abutting
    • H01H1/20—Bridging contacts
    • H01H1/2041—Rotating bridge
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H2009/0094—Details of rotatable shafts which are subdivided; details of the coupling means thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2205/00—Movable contacts
    • H01H2205/002—Movable contacts fixed to operating part
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H2221/00—Actuators
    • H01H2221/056—Modular conception
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/0207—Mounting or assembling the different parts of the circuit breaker
    • H01H71/0235—Contacts and the arc extinguishing space inside individual separate cases, which are positioned inside the housing of the circuit breaker
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H71/00—Details of the protective switches or relays covered by groups H01H73/00 - H01H83/00
    • H01H71/02—Housings; Casings; Bases; Mountings
    • H01H71/025—Constructional details of housings or casings not concerning the mounting or assembly of the different internal parts
    • H01H71/0257—Strength considerations
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49105—Switch making

Definitions

  • Rotor shaft module for a rotor shaft of a molded case circuit breaker rotor shaft for a molded case circuit breaker, molded case circuit breaker and method for producing a rotor shaft module for a rotor shaft of a molded case circuit breaker
  • the present invention relates to a rotor shaft module for a rotor shaft of a molded case circuit breaker, comprising a module body of an electrically insulating first material, wherein the module body has a receptacle for a contact element of the molded case circuit breaker and the rotor shaft module has at least one coupling device for connection to a counter coupling device of another rotor shaft module. Furthermore, the invention relates to a rotor shaft for a molded case circuit breaker, a compact circuit breaker with a rotor shaft and a method for producing a rotor shaft module for a rotor shaft of a molded case circuit breaker.
  • MCCB Molded Case Circuit Breaker
  • Such compact circuit breakers allow in particular the switching of high currents or powers. Since such molded case circuit breakers are often designed with safety devices such as overload and / or short-circuit protection, known molded case circuit breakers also increase safety when switching such currents.
  • the power is usually provided in multiple phases, each with one line for one phase. However, when a fault such as an overload or a short circuit occurs in only one of these phases, all phases that are switched by a common molded case circuit breaker must be disconnected.
  • Such compact circuit breaker therefore have a rotor shaft, wherein the rotor shaft of individual Rotor shaft modules is constructed.
  • a rotor shaft module For each phase of the current to be conducted, a rotor shaft module is provided, wherein the rotor shaft module has a contact element which is designed to open and close a conductive connection for the respective phase.
  • the entire switching mechanism of the molded case circuit breaker in particular consisting of rotor shaft modules rotor shaft with the respective contact elements for the individual phases, fixed contacts for each phase and the associated mechanics of the molded case circuit breaker forms a switching mechanism of the molded case circuit breaker.
  • the strength and / or rigidity of the rotor modules can be reduced by the heat input into the plastic material.
  • the resulting pressure drop losses can reduce the contact forces and thus jeopardize the functional reliability of the molded case circuit breaker.
  • a rotor shaft module according to the preamble of claim 1 is disclosed.
  • a multi-pole circuit breaker is disclosed with a switching chamber housing in which a pole number corresponding number of switching chambers is arranged side by side, and a common pole for all switching shaft, each switching chamber comprises a fixed and designed as a pivotable contact bridge contact arrangement, which with the fixed contact arrangement cooperates.
  • a compact circuit breaker is disclosed with a movable contact assembly, which as a modular support assembly, a plurality of spring-biased Contact cam elements included.
  • the DE 10 2012 201 939 A1 discloses a switching unit for an electrical switching device, in particular an electric circuit breaker, comprising a switching mechanism with a switching mechanism and a rotor housing with a contact arm arranged therein for opening and closing contacts during rotation of the rotor housing about an axis of rotation (R), wherein at least one lever device its upper end with the switching mechanism and at its lower end via a connecting pin with one side of the rotor housing is in operative connection.
  • a rotor shaft module for a Rotor shaft of a molded case circuit breaker having the features of independent claim 1 by a rotor shaft for a molded case circuit breaker having the features of claim 8, by a molded case circuit breaker with a rotor shaft having the features of claim 9 and by a method for producing a rotor shaft module for a rotor shaft of a molded case circuit breaker the features of claim 10.
  • a rotor shaft module for a rotor shaft of a molded case circuit breaker comprising a module body of an electrically insulating first material, wherein the module body has a receptacle for a contact element of the molded case circuit breaker and the rotor shaft module at least one coupling device for connecting to a Comprising negative feedback device of another rotor shaft module.
  • a rotor shaft module according to the invention is characterized in that the rotor shaft module has an insertion element fixed to the module body, wherein the insertion element comprises a second material which has a higher strength compared to the first material, wherein the insertion element by the electrically insulating first material of the module body of the recording is completely spaced and wherein the at least one coupling device is formed by the insert element.
  • a rotor shaft module according to the present invention is intended for use in a rotor shaft of a molded case circuit breaker.
  • a module body of the rotor shaft module is a receptacle in which a contact element the compact circuit breaker can be arranged, wherein the contact element may be formed in the molded case circuit breaker for forming moving contacts of a contact system of the molded case circuit breaker for a phase of the current to be conducted together with the fixed contacts.
  • the rotor shaft module has at least one coupling device which is designed to connect to a counter coupling device of another rotor shaft module, whereby a plurality of rotor shaft modules can be assembled to form a rotor shaft of the molded case circuit breaker.
  • the rotor shaft module has, in addition to the module body, an insertion element which is fixed on the module body.
  • the insert element comprises a second material, which differs in particular from the first, electrically insulating material of the module body.
  • the insert element may consist entirely of the second material.
  • An essential difference of the first and the second material is that the second material has a higher strength. Such a higher strength can manifest itself in particular in a higher rigidity, in particular with respect to rotational loads.
  • the second material may be formed such that it maintains this higher strength even with a high heat input, such as may occur when operating a molded case circuit breaker at high currents and / or electrical power.
  • the invention provides that the coupling device of the rotor shaft module is formed by the insert element.
  • This makes it possible in connection with the fixation of the insert element on the module body, in particular by the higher rigidity of the second material of the insert element to transmit higher rotational forces between the individual rotor modules in the rotor shaft of the molded case circuit breaker.
  • This has the advantage that the molded case circuit breaker can be provided for higher currents, since the ability to transmit higher rotational forces, even higher Stromschaltment can be overcome, creating a safe Tripping the molded case circuit breaker can be ensured even at these higher currents.
  • the contact element of the molded case circuit breaker can be arranged by the first, electrically insulating material of the module body, it can moreover be ensured that no contact takes place between the insert element and the contact element in the assembled state.
  • restrictions on the selection of the second material can be prevented in such a way that, for example, electrically conductive materials can also be used for the second material.
  • this allows the use of metals and / or metal alloys as the second material for the insert element.
  • the module body and the insert element can preferably be designed such that creepage currents on the surface of the material of the module body can be avoided.
  • the insert element may consist entirely of a second material, wherein this material may also be electrically conductive.
  • the at least one coupling device of the rotor shaft module which is formed by the insert element, insertion or assembly aids such as bevels and / or bevels has.
  • the rotor shaft module for a one-phase molded case circuit breaker is provided, in which case the coupling device of the rotor shaft module is formed for coupling to a counter coupling device of an external mounting of the rotor shaft formed by the single rotor shaft module.
  • the insert element is at least partially disposed in the interior of the module body. This can ensure that a particularly good power transmission can take place between the insert element and the module body.
  • the fact that the contact element is arranged in the receptacle in the module body, thereby also a particularly good power transmission from the insert element allows the contact element. Particularly high switching forces can be generated thereby, whereby the operation of a molded case circuit breaker can be made safer with such a rotor shaft module.
  • the rotor shaft module has at least one counter coupling device, wherein the at least one counter coupling device is formed by the insert element.
  • the insert element may in particular be produced in one piece, in one piece and / or monolithically. A particularly good power transmission or force transmission can be generated.
  • the counter coupling device of the rotor shaft module is designed such that it can be coupled to a coupling device of another rotor shaft module to form a rotor shaft. This can ensure that the power transmission in the rotor shaft of the molded case circuit breaker is performed by the insertion elements of the individual rotor shaft modules.
  • the at least one counter coupling device can also have insertion or assembly aids, such as, for example, chamfers and / or chamfers. The assembly of the individual rotor shaft modules to a rotor shaft can be facilitated.
  • a rotor shaft module it can further be provided that the at least one coupling device and the at least one counter coupling device are arranged at different axial ends of the rotor shaft module. Both the coupling device and the counter coupling device are formed by the insert element.
  • the coupling device and the counter coupling device are formed by the insert element.
  • a rotor shaft module can be designed to the effect that the insert element is arranged like a frame around the receptacle. It can of course be provided that the insert element is completely encased in the region of the receptacle from the module body. Due to the frame-like shape, in particular when installing the contact element in the receptacle of the module body, the contact element is pushed through an opening which is formed by the frame-like insertion element. A particularly good transmission of force between the insert element, which determines the transmission of force in the rotor shaft via the at least one coupling device, can thereby be ensured. Due to the frame-like configuration of the insert element is the insert element for embracing the contact element in the receptacle of the module body educated. Rotational movements of the rotor shaft, and thus of the insert element, can be transferred particularly well to the contact element. Particularly high currents are thus switchable in a molded case circuit breaker with such a rotor shaft module.
  • the insert element has two or more coupling devices and two or more counter coupling devices.
  • the power transmission between two rotor shaft modules, which are connected via these coupling devices and counter coupling devices can be further improved.
  • a force distribution between the individual coupling devices or counter coupling devices can reduce the forces acting on a single coupling device or counter coupling device.
  • less force must be transmitted per coupling device or counter coupling device.
  • the specific requirements for the individual coupling device or counter coupling device can be reduced and, on the other hand, a greater force can be transmitted overall over the entirety of the coupling devices or counter coupling devices.
  • the two or more coupling devices and the two or more counter coupling devices can be arranged on the insert element in various ways.
  • all existing coupling devices or counter coupling devices may be provided on the insertion element such that they are arranged at the same axial end of the rotor shaft module.
  • a particularly good and secure connection to another rotor shaft module can be ensured.
  • the coupling devices and the counter coupling devices are provided on the insert element such that the coupling devices are arranged at one axial end of the rotor shaft module and the counter coupling devices at the other axial end of the rotor shaft module.
  • a rotor shaft module according to the invention can moreover be designed such that the rotor shaft module has at least one connection device for connection to a mating connection device of a further rotor shaft module, wherein the at least one connection device is formed by the module body.
  • the connecting device makes it possible to produce an even more secure connection between different rotor shaft modules of a rotor shaft constructed from rotor shaft modules.
  • a rotor shaft module may also have a plurality of such connection devices and moreover also one or more such mating connection device, so that all variants described with respect to the coupling devices and the advantages that can be achieved thereby can also be achieved by connecting devices and mating connection devices.
  • connection devices or the mating connection device can be used in particular for accurate positioning of the individual rotor shaft modules against each other, since the power transmission between the rotor shaft modules according to the invention essentially by the coupling devices and counter coupling devices, which are formed by the insert element, are generated.
  • the low manufacturing tolerances of the connecting devices, as are known in the prior art, can be avoided thereby, whereby the production of the rotor shaft modules can be facilitated.
  • the electrically insulating material of the module body is a plastic material, and / or that the insert element is made of metal and / or a metal Fiber composite material exists.
  • Plastic materials are electrically insulating materials that are lightweight, easy and versatile to process. In particular, such plastic materials can also be used in an injection molding process, whereby a wide range of possible shape variants for rotor shaft modules is made possible.
  • Essential to the invention on the second material of the insert element is that it has a higher strength than the first material of the module body. Metals and / or fiber composite materials represent such materials. As the metal, it is of course also possible to use a metal alloy for the insert element.
  • Metals and / or fiber composites are materials with a high strength, especially against rotational loads.
  • the insert element consists of metal and / or a fiber composite material, it can thus be ensured that higher rotational forces can be transmitted by a rotor shaft module according to the invention than by rotor shaft modules according to the prior art.
  • the switching reliability of a molded case circuit breaker in which such a rotor shaft module is used can be increased, on the other hand simultaneously a possible current or a height of the switchable power of the molded case circuit breaker can be increased.
  • the rotor shaft module is produced in a molding process, in particular an injection molding process, wherein the insert element is formed, in particular extrusion-coated, by the electrically insulating material of the module body.
  • a molding process in particular an injection molding process
  • the insert element is formed, in particular extrusion-coated, by the electrically insulating material of the module body.
  • the first material is a plastic material
  • the molding process is a plastic molding process.
  • the molding process is more preferably an injection molding process.
  • an arranging the insertion element may be provided in an injection mold, which is subsequently filled in the injection molding process with the electrically insulating material of the module body.
  • a two-component injection molding process is conceivable in which the first step, the insert element, for example of a fiber composite material, produced in an injection mold and subsequently this insert element is overmolded with the electrically insulating first material of the module body in the second step.
  • a particularly secure fixation of the insert element in the module body can be generated thereby.
  • a rotor shaft for a molded case circuit breaker comprising at least two coupled rotor shaft modules.
  • a rotor shaft according to the invention is characterized in that the at least two rotor shaft modules are each formed according to the first aspect of the invention.
  • the object is achieved by a molded case circuit breaker with a rotor shaft.
  • An inventive compact circuit breaker is characterized in that the rotor shaft is formed according to the second aspect of the invention.
  • Such a rotor shaft according to the second aspect of the invention comprises rotor shaft modules according to the first aspect of the invention. All the advantages which have been described for a rotor shaft according to the second aspect of the invention or to a rotor shaft module according to the first aspect of the invention thus naturally also result for a device according to the invention Compact circuit breaker having such a rotor shaft according to the second aspect of the invention with rotor shaft modules according to the first aspect of the invention.
  • the object is achieved by a method for producing a rotor shaft module according to the first aspect of the invention for a rotor shaft of a molded case circuit breaker.
  • An inventive method is characterized in that the insert element is formed with the electrically insulating first material of the module body in a molding process. Particularly preferred is the first material is a plastic material and the molding process is a plastic molding process.
  • the molding method may be an injection molding method and for the insert element to be overmolded with the electrically insulating first material of the module body.
  • An injection molding process is a particularly versatile molding process and moreover a particularly simple way of producing a rotor shaft module according to the invention in accordance with the first aspect of the invention.
  • the insert element is inserted into an injection mold and with the electrically insulating first material the module body overmoulded. A particularly secure fixation of the insert element in the module body can be achieved.
  • the insert element for example of a fiber composite material
  • this insert element is overmoulded with the electrically insulating first material of the module body in the second step.
  • Fig. 1 shows a molded case circuit breaker 20.
  • the molded case circuit breaker 20 in this case has a switching mechanism 22, which is designed in particular for actuating a contact system 24.
  • the contact system 24 comprises for each individual phase, which can be switched by the molded case circuit breaker 20, fixed contacts 23 and a contact element 21, wherein in Fig. 1 one of these contact systems 24 is visible.
  • the contact element 21 is arranged in a rotor shaft module 1 of a rotor shaft 10 of the molded case circuit breaker 20. By a rotation of the rotor shaft 10, the contact element 21 and the fixed contacts 23 can be brought into contact, whereby the contact system 24 is closed and current can flow.
  • the molded case circuit breaker 20 for switching a plurality of phases visible through the plurality of first terminals 25 and second terminals 26 is formed.
  • all contact systems 24 of the individual phases are closed during a switch-on operation of the molded case circuit breaker 20. Occurs in the downstream circuit of one of the phases an error condition, such as an overload or a short circuit, on, so all phases of the molded case circuit breaker 20 must be turned off.
  • the molded case circuit breaker 20 for the rotor shaft 10 is provided, which is composed of a plurality of rotor shaft modules 1.
  • Each of these rotor shaft modules 1 in this case has a receptacle 3, not shown, in which a contact element 21 is arranged for the respective phase.
  • Fig. 2 shows two rotor shaft modules 1, which are formed according to the prior art.
  • the rotor shaft modules 1 have a module body 2, which is formed from an electrically insulating material.
  • the rotor shaft modules 1 each have a receptacle 3, in which a contact element 21 of a molded case circuit breaker 20 (not shown) can be arranged.
  • this receptacle 3 is designed such that a rotation of the rotor shaft module 1 also results in a rotation of the contact element 21, whereby an opening and closing of the contact system 24 of the molded case circuit breaker 20 can be performed.
  • the module body 2 of the rotor shaft modules 1 are each formed with connecting devices 4 and mating connection devices 8.
  • the connecting devices 4 and the counter-connecting devices 8 are designed such that they can be inserted into one another and thus produce a firm connection between the rotor shaft modules 1.
  • Fig. 3a, 3b and 3c show different views of two inventive rotor shaft modules 1. It is in Fig. 3a in each case the entire rotor shaft module 1 is shown, wherein the insert element 5 is drawn visible in the interior of the respective rotor shaft module 1 for the figure.
  • Fig. 3b is a sectional view of the module body 2 of the rotor shaft modules 1 and in Fig. 3c a sectional view of the insertion elements 5 of the respective rotor shaft module 1 shown.
  • the rotor shaft modules 1 according to the invention again have one Module body 2, which in particular has a receptacle 3 for a contact element 21 (not shown) of a molded case circuit breaker 20. It is essential to the invention that a rotor shaft module 1 according to the invention also has an insert element 5 and a force transmission between the rotor shaft modules 1 in the assembled state to the rotor shaft 10 is performed by coupling devices 6 and counter coupling devices 7 of the insert elements 5.
  • the module body 2 need not take over this task and are as visible in Fig. 3b , only next to each other.
  • the insertion elements 5 are formed such that they extend like a frame around the receptacle 3 in the module body 2.
  • the contact element 21 can be offset particularly effectively during rotation of the rotor shaft 10, since the power transmission between the insert elements 5 and the respective contact element 21 by the frame-like configuration of the insert element 5 is particularly effective.
  • Fig. 3a visible that in the region of the receptacle 3, the insertion element 5 is completely spaced by the material of the module body 2 of the receptacle 3.
  • the insert element 5 is even completely encased in the region of the receptacle 3 by the material of the module body 2. Since the material of the module body 2 is electrically insulating, thereby an electrically conductive connection between the contact element 21 and the insert element 5 can be safely avoided.
  • the insert element 5 from an electrically conductive material, for example metal or a metal alloy.
  • a metal or a metal alloy has with respect to the transmission of forces, in particular rotational forces, very good properties, whereby a total of a rotor shaft 10, which is constructed by such rotor shaft modules 1 according to the invention, a switching of the molded case circuit breaker 20, in which such a rotor shaft 10 installed is, even at high currents or switched electrical power can be ensured.
  • the Fig. 3b and 3c each still show sectional views, once the module body 2 in Fig. 3b and the insert elements 5 in Fig. 3c , In particular in Fig.
  • Such a rotor shaft 10 according to the invention is in the Fig. 4a, 4b shown. It is in Fig. 4a a fully assembled rotor shaft 10 of four rotor shaft modules 1 shown. The same rotor shaft 10 is in Fig. 4b shown just before assembly from the four rotor shaft modules 1.
  • the individual elements of the rotor shaft modules 1 are only in Fig. 4b characterized.
  • these rotor shaft modules 1, in addition to the coupling devices 6 and the counter coupling devices 7 of the insertion elements 5, also have connection devices 4 and counter connection devices 8, which are formed by the module body 2.
  • These connecting devices 4 and the counter-connecting devices 8 are used in particular for the stabilization or positioning of the individual rotor shaft modules 1 against each other, wherein for a power transmission between the individual rotor shaft modules 1 substantially the coupling devices 6 and the counter coupling devices 7 are provided.
  • the insert elements 5 of the individual rotor shaft modules 1 are again completely separated by the material of the module body 2 from a receptacle 3 in the interior of the module body 2. As already in relation to Fig. 3a, 3b, 3c described, thereby an electrically conductive connection between the insert element 5 and a contact element 21 (not shown) can be prevented at any time.
  • the insert element 5 can thereby be made of an electrically conductive material, for example a metal or a metal alloy, be made.
  • a rotor shaft 10, which is constructed by such rotor shaft modules 1 according to the invention, can thus ensure that all contact elements 21 in the respective receptacles 3 of the respective rotor shaft modules 1 can be actuated simultaneously or at least approximately simultaneously, thereby ensuring safety during switching, even when the molded case circuit breaker is tripped 20 (not shown) in a fault condition in the downstream circuit, can be ensured at all times.

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Breakers (AREA)
  • Rotary Switch, Piano Key Switch, And Lever Switch (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)
  • Spinning Or Twisting Of Yarns (AREA)

Claims (11)

  1. Module d'arbre de rotor (1) pour un arbre de rotor (10) d'un commutateur de puissance compact (20), présentant un corps de module (2) constitué d'un premier matériau électriquement isolant, dans lequel le corps de module (2) présente un logement (3) pour un élément de contact (21) du commutateur de puissance compact (20) et le module d'arbre de rotor (1) présente au moins un dispositif de couplage (6) pour la liaison avec un dispositif de contre-couplage (7) d'un module d'arbre de rotor (1) supplémentaire,
    dans lequel le module d'arbre de rotor (1) présente un élément d'engagement (5) fixé au corps de module (2), dans lequel l'élément d'engagement (5) comprend un deuxième matériau, lequel présente en comparaison avec le premier matériau une plus grande résistance, dans lequel l'élément d'engagement (5) est complètement écarté du logement (3) par le biais du premier matériau électriquement isolant du corps de module (2) et dans lequel l'au moins un dispositif de couplage (6) est formé par le biais de l'élément d'engagement (5),
    dans lequel le module d'arbre de rotor (1) présente au moins un dispositif de contre-couplage (7), dans lequel l'au moins un dispositif de contre-couplage (7) est formé par le biais de l'élément d'engagement (5),
    caractérisé en ce que
    l'au moins un dispositif de couplage (6) et l'au moins un dispositif de contre-couplage (7) sont disposés à des extrémités axiales différentes du module d'arbre de rotor (1).
  2. Module d'arbre de rotor (1) selon la revendication 1,
    caractérisé en ce que
    l'élément d'engagement (5) est disposé au moins partiellement à l'intérieur du corps de module (2).
  3. Module d'arbre de rotor (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'engagement (5) est disposé autour du logement (3) en forme de cadre.
  4. Module d'arbre de rotor (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    l'élément d'engagement (5) présente deux dispositifs de couplage (7) ou plus et deux dispositifs de contre-couplage (7) ou plus.
  5. Module d'arbre de rotor (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le module d'arbre de rotor (1) présente au moins un dispositif de liaison (4) destiné à la liaison avec un dispositif de contre-liaison (8) d'un autre module d'arbre de rotor (1) supplémentaire, dans lequel l'au moins un dispositif de liaison (4) est formé par le biais du corps de module (2).
  6. Module d'arbre de rotor (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le matériau électriquement isolant du corps de module (2) est un matériau plastique et/ou en ce que l'élément d'engagement (5) est composé de métal et/ou d'un matériau renforcé par des fibres.
  7. Module d'arbre de rotor (1) selon l'une des revendications précédentes,
    caractérisé en ce que
    le module d'arbre de rotor (1) est fabriqué lors d'un procédé de façonnage, en particulier un procédé de moulage par injection, dans lequel l'élément d'engagement (5) est façonné, en particulier extrudé, par le biais du matériau électriquement isolant du corps de module (2).
  8. Arbre de rotor (10) pour un commutateur de puissance compact (20) présentant au moins deux modules d'arbre de rotor (1) couplés,
    caractérisé en ce que
    les au moins deux modules d'arbre de rotor (1) sont configurés respectivement selon l'une des revendications précédentes.
  9. Commutateur de puissance compact (20) avec un arbre de rotor (10),
    caractérisé en ce que
    l'arbre de rotor (10) est configuré selon la revendication 8.
  10. Procédé destiné à la fabrication d'un module d'arbre de rotor (1) selon l'une des revendications 1 à 7 pour un arbre de rotor (10) d'un commutateur de puissance compact (20),
    caractérisé en ce que
    l'élément d'engagement (5) est façonné avec le premier matériau électriquement isolant du corps de module (2) lors d'un procédé de façonnage.
  11. Procédé destiné à la fabrication d'un module d'arbre de rotor (1) selon la revendication 10,
    caractérisé en ce que
    le procédé de façonnage est un procédé de moulage par injection et en ce que l'élément d'engagement (5) est extrudé avec le premier matériau électriquement isolant du corps de module (2).
EP14196006.2A 2014-03-14 2014-12-03 Module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact, arbre de rotor pour un commutateur de puissance compact, commutateur de puissance compact, ainsi que procédé de fabrication d'un module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact Not-in-force EP2919246B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102014204750.1A DE102014204750A1 (de) 2014-03-14 2014-03-14 Rotorwellenmodul für eine Rotorwelle eines Kompaktleistungsschalters, Rotorwelle für einen Kompaktleistungsschalter, Kompaktleistungsschalter sowie Verfahren zur Herstellung eines Rotorwellenmoduls für eine Rotorwelle eines Kompaktleistungsschalters

Publications (2)

Publication Number Publication Date
EP2919246A1 EP2919246A1 (fr) 2015-09-16
EP2919246B1 true EP2919246B1 (fr) 2016-10-19

Family

ID=52002814

Family Applications (1)

Application Number Title Priority Date Filing Date
EP14196006.2A Not-in-force EP2919246B1 (fr) 2014-03-14 2014-12-03 Module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact, arbre de rotor pour un commutateur de puissance compact, commutateur de puissance compact, ainsi que procédé de fabrication d'un module d'arbres de rotor pour un arbre de rotor d'un commutateur de puissance compact

Country Status (4)

Country Link
US (1) US10014134B2 (fr)
EP (1) EP2919246B1 (fr)
CN (1) CN104952639B (fr)
DE (1) DE102014204750A1 (fr)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102016212737A1 (de) * 2016-07-13 2018-01-18 Siemens Aktiengesellschaft Polkassette für einen elektrischen Schalter und elektrischer Schalter mit Polkassetten
CN108172430B (zh) * 2018-02-07 2023-11-21 河南森源电气股份有限公司 一种隔离开关自动化组装线

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5874699A (en) * 1997-09-18 1999-02-23 Eaton Corporation Molded case circuit breaker and moving conductor assembly therefor
DE19910032C1 (de) * 1999-03-08 2000-04-06 Moeller Gmbh Mehrpoliger Leistungsschalter
IT1314039B1 (it) * 1999-10-08 2002-12-03 Abb Ricerca Spa Polo elettrico per interruttore di potenza di bassa tensione.
DE10062761A1 (de) * 2000-12-13 2002-06-20 Siemens Ag Bewegbarer Kontaktträger zur Aufnahme von Kontakthebeln für Niederspannungs-Leistungsschalter
US6965292B2 (en) 2003-08-29 2005-11-15 General Electric Company Isolation cap and bushing for circuit breaker rotor assembly
CN101399137B (zh) 2007-09-25 2011-06-29 浙江正泰电器股份有限公司 低压塑壳断路器
US9129768B2 (en) * 2009-10-15 2015-09-08 Siemens Aktiengesellschaft Multipole electrical switching device
DE102012201939B4 (de) * 2012-02-09 2021-08-05 Siemens Aktiengesellschaft Schalteinheit für ein elektrisches Schaltgerät

Also Published As

Publication number Publication date
US10014134B2 (en) 2018-07-03
CN104952639A (zh) 2015-09-30
US20150262772A1 (en) 2015-09-17
EP2919246A1 (fr) 2015-09-16
DE102014204750A1 (de) 2015-09-17
CN104952639B (zh) 2019-11-08

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