EP2663985B1 - Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique - Google Patents

Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique Download PDF

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Publication number
EP2663985B1
EP2663985B1 EP12701231.8A EP12701231A EP2663985B1 EP 2663985 B1 EP2663985 B1 EP 2663985B1 EP 12701231 A EP12701231 A EP 12701231A EP 2663985 B1 EP2663985 B1 EP 2663985B1
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EP
European Patent Office
Prior art keywords
binary
input
voltage
reference voltage
processing apparatus
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Application number
EP12701231.8A
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German (de)
English (en)
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EP2663985A1 (fr
Inventor
Heinz Eugen Klüppel
Jürgen Riemenschneider
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Siemens AG
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Siemens AG
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H3/00—Mechanisms for operating contacts
    • H01H3/22—Power arrangements internal to the switch for operating the driving mechanism
    • H01H3/26—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor
    • H01H2003/266—Power arrangements internal to the switch for operating the driving mechanism using dynamo-electric motor having control circuits for motor operating switches, e.g. controlling the opening or closing speed of the contacts

Definitions

  • the invention relates to a device having the features according to the preamble of patent claim 1.
  • German patent DE 10 2007 041 972 B3 discloses a device for controlling a switch drive of an electrical switch with a control device which is adapted to evaluate an input side applied to a binary input of the device, generated with an external operating voltage input signal and to make the control of the switch drive in response to the input signal applied to the input side.
  • the invention has for its object to provide a device of the type described, which is particularly universally applicable.
  • the invention provides that the device comprises a reference voltage circuit which is suitable for generating an internal reference voltage with the external operating voltage, the device having a preprocessing device which is suitable for generating a binary signal with the input signal present at the binary input, the logic level thereof depends on the height of the input signal and the height of the reference voltage, and the control device of the device is directly or indirectly in communication with the preprocessing device and evaluates the binary signal of the preprocessing device.
  • a significant advantage of the device according to the invention is the fact that it can be used for very different external operating voltages.
  • the device according to the invention is capable of evaluating input signals present on the input side as a function of the operating voltage with which these input signals have been formed.
  • the internal reference voltage is preferably smaller than the external operating voltage.
  • the internal reference voltage is generated in such a way that, apart from any offset (voltage offset value), it is proportional to the external operating voltage, it therefore preferably applies: Ui ⁇ Uextern - Uoffset .
  • Ui denote the internal reference voltage
  • Uextern the external operating voltage
  • Uoffset the possible offset.
  • Uoffset can be zero.
  • the device has a switching element that allows or prevents a current flow from the binary input through the preprocessing device in dependence on the height of the input signal and the height of the reference voltage, and the logic level of the binary signal from the current flow through the Preprocessing device depends.
  • the switching element can allow a flow of current from the binary input through the preprocessing device, if the difference between the height of the input signal and the height of the reference voltage exceeds or falls below a predetermined minimum value.
  • the preprocessing device is connected to an input terminal to the binary input and an output terminal to the switching element.
  • the preprocessing device preferably has an optocoupler which generates the binary signal on the output side, wherein the logic level of the binary signal depends on the current flow through the preprocessing device.
  • An optocoupler advantageously enables potential separation.
  • the reference voltage circuit preferably has a voltage divider, for example a resistive voltage divider.
  • the voltage divider may have a divider terminal to which the reference voltage is applied, and the divider terminal and the output terminal of the pre-processing means may be connected to the switching element.
  • the switching element is preferably a transistor or at least also has a transistor.
  • the transistor may be a bipolar transistor.
  • the divider terminal is preferably connected to the base terminal of the transistor and the output terminal of the pre-processing unit is preferably connected to the emitter terminal.
  • the invention also relates to a method for controlling a switch drive of an electrical switch, wherein an input signal applied to a binary input on the input side and generated with an external operating voltage is evaluated and the control of the switch drive in response to the input signal applied to the input side is made.
  • the external operating voltage to generate an internal reference voltage, with the input signal present at the binary input generating a binary signal whose logic level depends on the level of the input signal and the magnitude of the reference voltage, and the binary signal is evaluated.
  • the FIG. 1 shows an embodiment of a device 4 for controlling a switch drive M of an electrical switch, not shown.
  • the device 4 comprises ports A1 to A5 and one preferably as Semiconductor circuit formed H-bridge circuit 9 and a control device 10 and various preferably designed as semiconductor circuits control modules 11 to 12 for driving and interrogation of analog locks (control module 11) and / or binary feedback (control module 12).
  • the device 4 also comprises a binary input module 13, which is connected to binary inputs 6a, 6b and 6c of the device 4.
  • the binary inputs 6a, 6b and 6c are acted upon, for example via switches S1, S2 and S3 with an external operating voltage, which is, for example, a control circuit voltage Usk for a control circuit SK of the device 4, a load circuit voltage Ulk for a load circuit LK of the device. 4 or may be another predetermined voltage.
  • an external operating voltage is, for example, a control circuit voltage Usk for a control circuit SK of the device 4, a load circuit voltage Ulk for a load circuit LK of the device. 4 or may be another predetermined voltage.
  • the external operating voltage is the control circuit voltage Usk for the control circuit SK.
  • switching elements 14 and 15 are provided.
  • the switching elements 14, 15 are preferably relay contacts, which are controlled directly or indirectly by the control device 10.
  • the shutdown then takes place via the control device 10 on the basis of a control signal.
  • the device 4 switches off automatically approx. 1.5 s after the last command has been processed, if no new command is pending.
  • a monitoring module 16 may be provided which is connected to the switching elements 14 and 15 is connected. In the event of a malfunction or a malfunction, the supply of the H-bridge circuit 9, in particular the drive elements, and the switching element 14 for the load circuit LK can be switched off by the monitoring module 16.
  • 10 further operating and / or safety functions can be realized by means of the control device and used for driving or switching the switch drive M or other elements, such as display elements or control elements.
  • the switch drive M upon reaching an end position of the resources, such. B. the three-position disconnector with the end positions “disconnector on", “OFF”, “earthing on” braked.
  • the overrun time of the switch drive M and the braking times are freely programmable. After expiry of the specified braking time and release for manual operation, the motor circuit is automatically opened and released for manual operation.
  • the device 4 can lock when switching the switch drive to manual mode.
  • the feedback and monitoring times of switching operations can be freely programmed. Furthermore, with blocked switch drive M, the motor current can be limited in time.
  • further suitable control and / or message functions for the operation and safety of the switch drive M can be realized by means of the control device 10.
  • the binary input module 13 has a reference voltage circuit 50 which is suitable for generating an internal reference voltage Ui proportional to the external operating voltage.
  • the control circuit voltage Usk is used as the external operating voltage, so that the control circuit voltage Usk is applied to the reference voltage circuit 50 as an external operating voltage.
  • the binary input module 13 also has a switching element 60 to which the internal reference voltage Ui of the reference voltage circuit 50 is applied.
  • the switching element 60 three preprocessing devices are connected, which in the FIG. 1 are denoted by the reference numerals 70, 71 and 72.
  • the three preprocessing devices 70, 71 and 72 are connected to the three binary inputs 6a, 6b and 6c of the device 4 and are thus connected via the switches S1, S2 and S3 to the control circuit voltage Usk.
  • the three preprocessing devices 70, 71 and 72 are connected via binary lines to the control device 10 of the device 4.
  • FIG. 2 is a first embodiment of the binary input module 13 according to FIG. 1 shown in more detail in detail.
  • the control circuit voltage Usk is applied to the reference voltage circuit 50 of the binary input module 13.
  • the reference voltage circuit 50 comprises a diode 51, a capacitor 52 and a voltage divider 53, which forms a divider terminal 54.
  • Ui the internal reference voltage
  • the voltage divider 53 is formed by two ohmic resistors R1 and R2.
  • a switching element SE which is formed by a bipolar pnp transistor.
  • the switching element SE is connected with its base terminal to the divider terminal 54 of the voltage divider 53 of the reference voltage circuit 50.
  • a series resistor Rv is connected to the emitter terminal of the switching element SE, which is acted upon by the control circuit voltage Usk and forms a current limit for the emitter collector path of the switching element SE.
  • the three preprocessing devices 70, 71 and 72 are connected, which may for example be of identical design. Subsequently, therefore, only in the FIG. 2 left pre-processing device 70 described in more detail.
  • the two other preprocessing devices 71 and 72 are identical.
  • the preprocessing device 70 has an input connection 70e which is connected to the binary input 6a of the device 4 and thus to the switch S1.
  • the input terminal 70e is connected to a diode 100 to which a constant current source 105 is connected.
  • the constant current source 105 is connected via an optocoupler 110 to an output terminal 70 a of the preprocessing device 70.
  • This output terminal 70a is connected to the emitter terminal of the switching element SE in connection.
  • the optocoupler 110 forms a signal output 70s of the preprocessing device 70, to which a binary line 701 is connected and which transmits a binary signal B70 to the control device 10 via this binary line 701.
  • the two other preprocessing devices 71 and 72 are - as already mentioned - designed identically. They also each have a diode 100, a constant current source 105 and an optocoupler 110. Moreover, they are respectively provided with an input terminal 71e and 72e and an output terminal 71a and 72a connected to the emitter terminal of the switching element SE.
  • the binary signals generated by the two preprocessing devices 71 and 72 are shown in FIG. 2 marked with the reference symbols B71 and B72. These binary signals B71 and B72 reach the control device 10 via binary lines 711 and 721.
  • control circuit voltage Usk is applied to the input terminal 70e of the preprocessing device 70 so that the switching element SE will be switched through and the optocoupler will send a logic "1" as a binary signal B70 to the control device 10 via the binary line 701 ,
  • the binary input module 13 processes an input signal applied to the binary inputs 6a, 6b and 6c, that is to say as a function of the internal reference voltage Ui, which leads to an external operating voltage - in this case the control circuit voltage Usk - is approximately proportional, with which in turn the input signal applied to the input side has been formed.
  • This allows the binary input module 13 to correctly process control circuit voltages within a relatively large voltage interval:
  • Binary input module 13 correctly process input signals that have been formed with an external operating voltage between 20 V and 200 V.
  • the internal reference voltage Ui relevant for the formation of the binary signal B70 is correspondingly high, whereas if a small external operating voltage or a small control circuit voltage Usk is used, the internal reference voltage Ui will be correspondingly small.
  • the internal reference voltage Ui used to form the binary signal B70 to B72 is always approximately proportional to the external operating voltage, which is used to form the input signals present on the input side.
  • the device according to FIG. 2 is "high active", which means that when a positive voltage is present at the binary inputs 6a, 6b and 6c, a binary signal B70, B71 or B72 will always be generated with a logical "1".
  • the circuit corresponds to FIG. 3 the circuit according to FIG. 2 .

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  • Electronic Switches (AREA)
  • Power Conversion In General (AREA)

Claims (10)

  1. Système ( 4 ) de commande d'un entraînement ( M ) d'un commutateur électrique, comprenant un dispositif ( 10 ) de commande, qui exploite un signal d'entrée s'appliquant du côté entrée à une entrée ( 6a, 6b, 6c ) binaire du système ( 4 ), et produit par une tension ( Usk ) de fonctionnement extérieure et qui effectue la commande de l'entraînement ( M ) du commutateur en fonction du signal d'entrée s'appliquant du côté entrée,
    caractérisé en ce que
    - le système ( 4 ) a un circuit ( 50 ) de tension de référence, qui produit, par la tension ( Usk ) de fonctionnement extérieure, une tension ( Ui ) de référence interne,
    - le système a un dispositif ( 70, 71, 72 ) de traitement préalable, qui produit, par le signal d'entrée s'appliquant à l'entrée ( 6a, 6b, 6c ) binaire, un signal ( B70, B71, B72 ) binaire, dont l'état logique dépend du niveau du signal d'entrée et du niveau de la tension ( Ui ) de référence et
    - le dispositif ( 10 ) de commande du système ( 4 ) est en liaison directement ou indirectement avec le dispositif ( 70, 71, 72 ) de traitement préalable et exploite le signal ( B70, B71, B72 ) binaire du dispositif ( 70, 71, 72 ) de traitement préalable.
  2. Système suivant la revendication 1,
    caractérisé en ce que
    - le système ( 4 ) a un élément ( SE ) de commutation, qui autorise ou supprime un flux de courant de l'entrée ( 6a, 6b, 6c ) binaire dans le dispositif ( 70, 71, 72 ) de traitement préalable, en fonction du niveau du signal d'entrée et du niveau de la tension ( Ui ) de référence et
    - l'état logique du signal ( B70, B71, B72 ) binaire dépend du flux du courant dans le dispositif ( 70, 71, 72 ) de traitement préalable.
  3. Système suivant la revendication 2,
    caractérisé en ce que l'élément ( SE ) de commutation autorise un flux de courant de l'entrée ( 6a, 6b, 6c ) binaire dans le dispositif ( 70, 71, 72 ) de traitement préalable, si la différence entre les niveaux du signal d'entrée et le niveau de la tension ( Ui ) de référence dépasse une valeur ( Umin ) minimum donnée à l'avance.
  4. Système suivant l'une des revendications précédentes 2 à 3,
    caractérisé en ce que le dispositif ( 70, 71, 72 ) de traitement préalable est raccordé, par une borne d'entrée ( 70e, 71e, 72e ), à l'entrée ( 6a, 6b, 6c ) binaire et à une borne ( 70a, 71a, 72a ) de sortie à l'élément ( SE ) de commutation.
  5. Système suivant l'une des revendications précédentes,
    caractérisé en ce que le dispositif ( 70, 71, 72 ) de traitement préalable a un optocoupleur ( 110 ), qui produit, du côté sortie, le signal ( B70, B71, B72 ) binaire, l'état logique du signal ( B70, B71, B72 ) logique dépendant du flux de courant dans le dispositif ( 70, 71, 72 ) de traitement préalable.
  6. Système suivant l'une des revendications précédentes,
    caractérisé en ce que le circuit ( 50 ) de tension de référence a un diviseur ( 53 ) de tension.
  7. Système suivant la revendication 6,
    caractérisé en ce que le diviseur ( 53 ) de tension a une borne ( 54 ) de diviseur, à laquelle s'applique la tension ( Ui ) de référence et la borne ( 54 ) de diviseur et la borne ( 70a, 71a, 72a ) de sortie du dispositif ( 70, 71, 72 ) de traitement préalable sont raccordées à l'élément ( SE ) de commutation.
  8. Système suivant l'une des revendications précédentes 2 à 7,
    caractérisé en ce que l'élément ( SE ) de commutation est un transistor ou comporte un transistor.
  9. Système suivant la revendication 8,
    caractérisé en ce que le transistor est un transistor bipolaire et la borne ( 54 ) de diviseur est raccordée à la borne de base du transistor et la borne ( 70a, 71a, 72a ) de sortie du dispositif ( 70, 71, 72 ) de traitement préalable à la borne d'émetteur.
  10. Procédé de commande d'un entraînement ( M ) d'un commutateur électrique, dans lequel on exploite un signal d'entrée s'appliquant du côté entrée à une entrée ( 6a, 6b, 6c ) binaire et produit par une tension ( Usk ) de fonctionnement extérieure et on effectue la commande de l'entraînement ( M ) du commutateur en fonction du signal d'entrée s'appliquant côté entrée,
    caractérisé en ce que
    - on produit, par la tension ( Usk ) de fonctionnement extérieure, une tension ( Ui ) de référence interne,
    - on produit, par le signal d'entrée s'appliquant à l'entrée ( 6a, 6b, 6c ) binaire, un signal ( B70, B71, B72 ) binaire, dont l'état logique dépend du niveau du signal d'entrée et du niveau de la tension ( Ui ) de référence et
    - on exploite le signal ( B70, B71, B72 ) binaire.
EP12701231.8A 2011-01-14 2012-01-06 Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique Active EP2663985B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE201110002685 DE102011002685B3 (de) 2011-01-14 2011-01-14 Vorrichtung und Verfahren zum Steuern eines Schalterantrieb eines elektrischen Schalters
PCT/EP2012/050175 WO2012095367A1 (fr) 2011-01-14 2012-01-06 Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique

Publications (2)

Publication Number Publication Date
EP2663985A1 EP2663985A1 (fr) 2013-11-20
EP2663985B1 true EP2663985B1 (fr) 2014-10-29

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EP12701231.8A Active EP2663985B1 (fr) 2011-01-14 2012-01-06 Dispositif et procédé de commande d'un mécanisme d'entraînement d'un commutateur électrique

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EP (1) EP2663985B1 (fr)
CN (1) CN103299383B (fr)
DE (1) DE102011002685B3 (fr)
ES (1) ES2527270T3 (fr)
WO (1) WO2012095367A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104157477B (zh) * 2014-08-27 2016-06-08 西安华鑫电力设备有限责任公司 一种电动机操作机构
DE102016218334B4 (de) 2016-09-23 2020-03-05 Siemens Aktiengesellschaft Motorvorrichtung für einen Schalterantrieb eines elektrischen Schalters
CN108987136B (zh) * 2017-06-05 2019-10-11 河南平芝高压开关有限公司 一种开关操作机构
DE102019112713A1 (de) * 2019-05-15 2020-11-19 Maschinenfabrik Reinhausen Gmbh Schalteranordnung und verfahren zum sicheren betrieb einer schalteranordnung

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS56116101A (en) * 1980-02-18 1981-09-11 Toshiba Corp Voltage comparator circuit
DE3731469A1 (de) * 1987-09-18 1989-04-06 Siemens Ag Elektromotorischer steuerantrieb
CN1070320C (zh) * 1998-11-20 2001-08-29 台达电子工业股份有限公司 直流电动机多段式转速控制电路
US20060082386A1 (en) * 2004-10-14 2006-04-20 Katrak Kerfegar K Methods and systems for multi-state switching using multiple ternary switching inputs
DE102007041973B3 (de) * 2007-08-31 2009-03-12 Siemens Ag Vorrichtung zur Steuerung eines motorisch angetriebenen Schalterantriebs für ein Schaltgerät
DE102007041972B3 (de) * 2007-08-31 2009-04-09 Siemens Ag Vorrichtung zur Steuerung eines motorisch angetriebenen Schalterantriebs für ein Schaltgerät mit intergrierter Steuereinheit

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EP2663985A1 (fr) 2013-11-20
ES2527270T3 (es) 2015-01-22
CN103299383A (zh) 2013-09-11
WO2012095367A1 (fr) 2012-07-19
DE102011002685B3 (de) 2012-04-19
CN103299383B (zh) 2016-06-08

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