EP2064726A1 - Unite a commutateurs pour commuter au moins deux etats de fonctionnement - Google Patents

Unite a commutateurs pour commuter au moins deux etats de fonctionnement

Info

Publication number
EP2064726A1
EP2064726A1 EP06793699A EP06793699A EP2064726A1 EP 2064726 A1 EP2064726 A1 EP 2064726A1 EP 06793699 A EP06793699 A EP 06793699A EP 06793699 A EP06793699 A EP 06793699A EP 2064726 A1 EP2064726 A1 EP 2064726A1
Authority
EP
European Patent Office
Prior art keywords
switching
schaltgeräteemheit
switching device
unit according
device unit
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.)
Ceased
Application number
EP06793699A
Other languages
German (de)
English (en)
Inventor
Josef Graf
Norbert Zimmermann
Ludwig Niebler
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 EP2064726A1 publication Critical patent/EP2064726A1/fr
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H51/00—Electromagnetic relays
    • H01H51/005—Inversing contactors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H89/00—Combinations of two or more different basic types of electric switches, relays, selectors and emergency protective devices, not covered by any single one of the other main groups of this subclass
    • H01H89/06—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device
    • H01H89/08—Combination of a manual reset circuit with a contactor, i.e. the same circuit controlled by both a protective and a remote control device with both devices using the same contact pair

Definitions

  • Switchgear unit for switching at least two Be ⁇ drive states
  • the invention relates to a switching device unit for switching at least two operating states, at least one consumer at least a two-phase power supply network ⁇ means of switching elements.
  • a switchgear unit regardless of its function is generally referred to as a load feeder and is usually arranged in a cabinet on a standard top hat rail next to other load feeders. Arranged in a cabinet load feeders are shown in a modular design in order to meet the requirements jeweili ⁇ gen. Such load feeders are provided in particular in industrial plant ⁇ technology for controlling and switching high currents and voltages. In particular, a three-phase motor is driven with the switching device unit.
  • the switchgear unit is referred to in this case as a reversing starter or motor starter.
  • the switchgear unit of one or more consumers usually has three functions to protect the consumer or consumers.
  • the first function relates to the proper operation of the consumer, usually the engine, and is by its own standard unit, usually a so-called contactor, realized.
  • the contactor is adapted for operation as ⁇ peated proper switching on and off of high Strö ⁇ men.
  • the functions short-circuit protection and overload protection can be integrated in a standard module called trousersschal ⁇ ter.
  • the circuit-breaker disconnects the load from the mains in the event of a short-circuit and also in the event of a too high one Current.
  • the different functions are usually taken over by the state of the art of different Stan ⁇ dardbautechniken, which are arranged together on a support side by side.
  • a control and protection module for a multi-pole low-voltage switching device which consists of a mounting plate, a control electromagnet and a trigger, which are intended to act on movable Liehe contacts to open the power poles or close ,
  • the control and protection module uses the same number of switching elements or current releases, as well as power poles are present.
  • Object of the invention is to be a simple as possible réellebau ⁇ te, low cost, and compact switching device unit ⁇ give.
  • a switching device unit for switching at least two operating states of at least one
  • the switchgear ⁇ emheit current paths for connection to phases of Stromversor ⁇ supply network are assigned to an operating state and a switching element, the switching elements are triggered by triggers, and at least one trigger for Triggering of a group of at least two Druckele ⁇ ments is provided, and the belonging to the group switching elements are provided for switching of different operating states.
  • the invention is based on the recognition that in derzei ⁇ term switching devices, a potential for simplification exists.
  • Various elements of the control and protection module should be further integrated. In this way, a simpler and more cost-efficient manufacturing space ⁇ saving modules is possible.
  • the operation of the switchgear unit is based on the consumer-friendly switching of operating states, bezie ⁇ tion as the consumer-friendly switching of the phases by means of switching elements.
  • the phases, or also called poles are guided in current paths, and Ge to the consumer ⁇ switched by a switching element, an electrical contacting of the respective flow path induces mechanical.
  • a certain operating state of the consumer is established. For example, on a rotary engine as
  • Load applied phases are left-handed or right-handed switched to the necessary conditions for a reverse rotation or clockwise rotation of the rotary motor to betechnik ⁇ digit.
  • any connection of the consumer to the phases of the supply network can be achieved.
  • the ability to integrate the switchgear unit with this functionality is based on the fact that there are current paths that are switched complementary to other current paths.
  • groups of current paths can be summarized that are Denbar an operating state zuor- and other groups or other Radiozu ⁇ stands are complementary.
  • the switchgear unit sturbant betechnik- that a group of current paths is not switched to the consumer ⁇ cher the same time as the complementary current path group.
  • the switching mechanism is systematically simplified. This ⁇ be indicated, for example, that a current timer does not ever triggers as originally only one switching element, but it is inventively provided to switch with a single current release a plurality of current paths or current path groups simultaneously.
  • the protective function is mainly ga by the trigger ⁇ rantiert.
  • the triggers are, for example, current or short-circuit releases or have both functions integrated.
  • vor ⁇ geous is a spatially close arrangement of triggerable by the trigger switching elements, as this the mechanical active connection is kept simple, that is, for example, requires a few components.
  • other devices which are provided for short-circuit protection or power protection can advantageously be integrated or at least reduced in number.
  • An example of this type of device is an overload trip that protects against overload and / or short-circuiting as part of the electrical and / or thermal overload mechanism.
  • the short-circuit protection function and the power protection function are applied to the output to the load. Since the switchgear unit combines several functions and only one switchgear unit is available, the number of protective mechanisms for short-circuit protection and power protection is based on the number of outputs of a device.
  • At least two current paths can each be assigned to a single switching element. In this way, the number and thus the costs of the switching elements can be kept to a minimum.
  • a further advantageous embodiment has identical or different Betbebszulindentn associated current paths, which are arranged side by side or one above the other or alternately. This results in a higher compactness he ⁇ aims.
  • a further advantageous embodiment has Druckelemen ⁇ te, wherein the switching elements of the same or under ⁇ different Bet ⁇ ebszulindentn associated current paths are arranged side by side or one above the other or alternately, which also a higher compactness, but also a structural simplification is achieved.
  • a further advantageous embodiment is for functional ones ⁇ short circuit and / or overload protection is provided, whereby more individual modules, which have one or both functions can be avoided for reasons of space in the cabinet.
  • the integration of the functions short-circuit protection and / or overload protection into the switchgear unit leads to a multifunctional compact unit.
  • a further advantageous embodiment is a GmbHge- device unit as a module for attachment to a top hat rail to ensure compatibility with the conventional installation of switching ⁇ devices in cabinets and also to keep the installation simple and efficient.
  • a further advantageous embodiment of the switchgear unit is a compact unit with a standardized grid width, so that the space on the DIN rail can be used optimally.
  • a further advantageous embodiment of the switchgear unit is a motor starter, in particular a compact reversing ⁇ starter which switches the necessary Bet ⁇ ebszuthe of the motor starter operatively ters.
  • a motor starter in particular a compact reversing ⁇ starter which switches the necessary Bet ⁇ ebszuthe of the motor starter operatively ters.
  • an operation state ⁇ "Motor-clockwise rotation” and a further operating state "motor reverse” provided.
  • a further advantageous embodiment has at least one fuel-side output, which can be protected by an electrical ⁇ -specific and / or thermal overload trip function against overload and / or short-circuit, thus with minimal Structural effort optimal protection is guaranteed.
  • a further advantageous embodiment has current paths which are at least partially integrated in a wiring of the switching device unit, wherein also the entire Ver ⁇ wiring, for example a reversing wiring can be integrated into the switching device unit.
  • the switchgear device on a elekt ⁇ generic and / or mechanical locking to protect against incorrect operation, which is ideally also integrated into the switching ⁇ ellaemheit.
  • a user-side Göprü ⁇ fung or illustration is omitted.
  • a turning lock prevents erroneous switching of a state not defined for a reversing starter.
  • 1 is a circuit diagram of a reversing starter circuit
  • FIG. 2 shows a circuit diagram of a compact circuit of a
  • the switchgear unit is the switchgear unit
  • FIG. 3 shows a three-dimensional view of an exemplary embodiment of a switchgear unit with two current ⁇ ground plane
  • 4 shows a three-dimensional view of a further embodiment of an executive from ⁇ switchgear unit with ei ⁇ ner current orbital plane.
  • FIG. 1 shows a circuit diagram of a reversing starter circuit 4, which corresponds to the prior art.
  • the reversing starter circuit 4 is provided for a three-phase supply network 7 with the phases L1, L2 and L3.
  • This reversing starter circuit 4 is generally carried out with two switching devices, each of which is capable of switching on and off exactly one phase combination, and of protecting against short-circuits and overloads. To simplify, it can be said that the switching devices can each switch or switch off an operating state Z1, Z2.
  • a mechanical fuse 8 is provided to prevent a simultaneous switching of the two Bet ⁇ ebszuterrorism Zl, Z2.
  • the current paths Bl, B2, B3, B4, B5, B6 within the switching devices are a switching element Sl, S2, S3, S4, S5, S6 associated ⁇ , with a switching mechanism Al, A2, A3, A4, A5, A6.
  • the current release 5 each serve a switching element Sl, S2, S3, S4, S5, S6 and communicate with the respective Druckmecha ⁇ nik Al, A2, A3, A4, A5, A6 in operative connection to the jeweili ⁇ ge switching element Sl, S2, S3, S4, S5, S6 forcibly open in the event of a protection trip.
  • the consumer 2 represents a rotary motor, wherein the first operating state Zl the clockwise rotation of the rotary motor relationship ⁇ the operating state Z2 corresponds to the left-hand rotation of the rotary motor.
  • the engine stall corresponding to a non-operation of the rotary motor can be defi ned as ⁇ third operating state.
  • This non-operation or third Radiozu ⁇ state for example, with two switching devices as well as the switchable Bet ⁇ ebszuterrorism Zl, Z2.
  • non-operation is not considered as operating condition.
  • Operating state Zl is switched when the switching elements Sl, S3, S5 are triggered. When switching to operating state Z2, the Switching elements Sl, S3, S5 again active to turn off first Be ⁇ operating state Zl. Then Heidelbergelemen ⁇ te S2, S4 and S6 are triggered to turn on the state Z2.
  • a reversing starter circuit is implemented with two sepa ⁇ advise switching devices wherein the switching elements Sl,
  • S6 belong to the other switching device.
  • the outputs AUl, AU2, AU3 the one switching device and the outputs AU4, AU5, AU6 are assigned to the other switching device and secured with egg ⁇ nem current release 5, for example, an overload trip 5.
  • the respective overload triggers 5 act on the respective switching element Sl, S2, S3, S4, S5, S6, in order to bring about a switching off of the currently active operating state Zl, Z2.
  • Conventional reversing starter with integrated circuit breaker protection function which the reversing starter circuit 4 or a similar circuit is based, are based on the current state of the art from at least two switching devices ⁇ , which are assembled together with connecting parts, such as cables.
  • the switching current of the reversing starter is for example at 32A, but may exceed this value.
  • FIG. 2 shows a circuit diagram of a compact circuit 1 a Wegzieremheit. The operation is similar to the embodiment described in Figure 1, but the structure is significantly different.
  • the compact circuit 1 of the switching device unit only three current triggers 5 are required instead of six current triggers 5, as in the exemplary embodiment of FIG. This is possible because complementary current paths Bl, B2; B3, B4; B5, B6 are combined in pairs, wherein a current path Bl, B3, B5 the operating state Zl and the complementary current path B2, B4, B6 the Radiozu ⁇ stand Z2 are assigned.
  • the current path Bl is complementary to B2, or the current path B3 complementary to B4 and the current path B5 complementary to B6.
  • a switching mechanism A12 thus causes the switching off of Bl at the same time switching off B2 or a switching mechanism A34 causes the simultaneous switching of B3 and switching off B4 and so on.
  • the switching mechanisms A12, A34, A56 can each be two mechanisms which function independently of one another, or advantageously at least partially integrated mechanisms.
  • the switching mechanisms A12, A34, A56 for example, with two switching bridges, each with a movable contact or a switching bridge with two movable contacts executable.
  • the switching device unit is in the operating state Z1. This process works accordingly in the reverse manner in order to switch back to the operating state Z2.
  • the number of overload release 5 has also sheet in comparison with the embodiment of Figure 1 by half redu ⁇ . This is possible because only the outputs AU12, AU34, AU56 of the switching device or the switching device unit must be protected. Due to the paired arrangement of the current paths Bl, B2; B3, B4; B5, B6 for the operating state Zl, further also referred to as left-hand rotation, and the operating state Z2, also also referred to as clockwise rotation, directly next to Other, it is possible with the three current triggers 5, the six current paths Bl, B2; B3, B4; B5, B6 of the compact circuit 1 of Weg GmbHemheit to use.
  • the Stromf ⁇ hrung is there ⁇ internally chosen so that the current is passed through the current release 5 and this in the current paths Bl, B2; B3, B4; B5, B6 branched for each of the left or right handed.
  • the current release 5 are associated current paths Bl, B2; B3, B4; B5, B6 assigned and can two switching elements Sl, S2; S3, S4; S5, S6 open simultaneously see by means of a mechanical operative connection, as shown by way of example ⁇ ge in FIG. 4 Specifically, this means that the switching element pairs S1 / S2, S3 / S4 and S5 / S6 can each be triggered by the current release 5.
  • This constructive expression is mög ⁇ Lich to equip a reversing starter circuit 10 of the switching device unit with only three current releases 5 and realize an overall width of the reversing starter circuit 10-containing switching device unit of only 90mm.
  • FIG. 3 shows a three-dimensional view of an embodiment of the switching device unit with two current path planes for use as a compact reversing starter.
  • the compact reversing starter stores the current paths Bl, B2; B3, B4; B5, B6 of Bet ⁇ ebszustan- Zl, Z2 in a plane, whereby two superimposed current path groups arise.
  • Three overload triggers 5 are mounted in the upper level ⁇ and act by means of the switching mechanisms A12, A34, A56 and the plunger 3 on the upper and lower switching elements Sl, S2, S3, S4, S5, S6, wherein the plunger 3 and part the switching mechanisms A12, A34, A56 can be.
  • the GmbHme ⁇ chanics A12, A34, A56 are not integrated into the Heidelbergmecha ⁇ nik the switching elements Sl, S2, S3, S4, S5, S6 for this purpose, but here have mainly a coupling function.
  • FIG. 4 shows a three-dimensional view of another example of the guide from ⁇ switching device unit with a known current path plane ⁇ an example for use as a compact reversing starter circuit even with the same structure as in FIG. 2
  • the current paths Bl, B2; B3, B4; B5, B6 are guided in a single plane.
  • the coupling of an overload ⁇ trigger 5 to two switching elements Sl, S2; S3, S4; S5; S6 is realized via a rocker 6.
  • the coupling is also of a mechanical nature in this exemplary embodiment and can also be used by a thermal release 9 to trigger the forced opening in the sense of a double protective function.
  • the invention relates to a Weg experts ⁇ unit for switching at least two operating states of at least one consumer to at least two-phase
  • Object of the ⁇ -making is to specify a simple as possible built, ponderegüns ⁇ term, and compact switching device unit. These ent ⁇ the switchgear unit holds circuits for operational switching of the consumer, to perform the Trip function to protect against overload and short circuit, this scarf ⁇ obligations are integrated so that the switching device unit, especially in the function as a compact reversing starter, a Standard width may have to be installed and operated on a top hat rail in a control cabinet to save space.

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Breakers (AREA)
  • Driving Mechanisms And Operating Circuits Of Arc-Extinguishing High-Tension Switches (AREA)

Abstract

En résumé, l'invention concerne une unité à commutateurs pour commuter au moins deux états de fonctionnement d'au moins une charge sur un réseau d'alimentation électrique comprenant au moins deux phases au moyen d'éléments de commutation. L'objet de l'invention est d'indiquer une unité à commutateurs présentant une construction la plus simple, la plus économique et la plus compacte possible. Pour ce faire, l'unité à commutateurs contient des circuits pour la commutation fonctionnelle de la charge et pour exécuter la fonction de déclenchement pour la protection contre les surcharges et les courts-circuits. Selon l'invention, ces circuits sont intégrés de telle sorte que l'unité à commutateurs, notamment dans sa fonction de démarreur à inversion compact, peut présenter une largeur normalisée afin de pouvoir être installée et utilisée avec un faible encombrement sur un rail DIN dans une armoire électrique.
EP06793699A 2006-09-21 2006-09-21 Unite a commutateurs pour commuter au moins deux etats de fonctionnement Ceased EP2064726A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2006/066576 WO2008034467A1 (fr) 2006-09-21 2006-09-21 Unité à commutateurs pour commuter au moins deux états de fonctionnement

Publications (1)

Publication Number Publication Date
EP2064726A1 true EP2064726A1 (fr) 2009-06-03

Family

ID=37898372

Family Applications (1)

Application Number Title Priority Date Filing Date
EP06793699A Ceased EP2064726A1 (fr) 2006-09-21 2006-09-21 Unite a commutateurs pour commuter au moins deux etats de fonctionnement

Country Status (5)

Country Link
US (1) US8188819B2 (fr)
EP (1) EP2064726A1 (fr)
KR (1) KR101326639B1 (fr)
CN (1) CN101512707A (fr)
WO (1) WO2008034467A1 (fr)

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DE102008018261A1 (de) * 2008-04-01 2009-10-15 Siemens Aktiengesellschaft Stromwandlerbaugruppe und elektromechanische Schaltvorrichtung
FR2960696B1 (fr) * 2010-05-28 2013-12-06 Areva T & D Sas Dispositif de commande d'une pluralite d'appareils de coupure de courant via des moteurs electriques

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Also Published As

Publication number Publication date
US8188819B2 (en) 2012-05-29
KR101326639B1 (ko) 2013-11-08
CN101512707A (zh) 2009-08-19
KR20090086953A (ko) 2009-08-14
US20100085135A1 (en) 2010-04-08
WO2008034467A1 (fr) 2008-03-27

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