EP0387729B1 - Commande électronique d'un contacteur - Google Patents
Commande électronique d'un contacteur Download PDFInfo
- Publication number
- EP0387729B1 EP0387729B1 EP90104583A EP90104583A EP0387729B1 EP 0387729 B1 EP0387729 B1 EP 0387729B1 EP 90104583 A EP90104583 A EP 90104583A EP 90104583 A EP90104583 A EP 90104583A EP 0387729 B1 EP0387729 B1 EP 0387729B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- current
- voltage
- switch
- supply voltage
- contactor
- 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.)
- Expired - Lifetime
Links
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/22—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current for supplying energising current for relay coil
- H01H47/32—Energising current supplied by semiconductor device
- H01H47/325—Energising current supplied by semiconductor device by switching regulator
Definitions
- the invention relates to an electronic contactor control according to the preamble of claim 1 (see, for example, "EDN ELECTRICAL DESIGN NEWS", vol. 31, n ° 13, June 26, 1986, "Sense-cell MOSFET eliminates losses in source circuit", p.176, Fig. 8).
- the z. B. are used as tapping magnets in type wheel printers, lifting magnets or in solenoid valves, the use of special ICs is known.
- a special IC is e.g. B. the controller block L5832 from SGS, which is described in the "Databuch" of this company from December 1986.
- the module enables clocked current control of the inrush current of actuators, its driver output being used for the basic control of a Darlington transistor, which is used as an actuator in the current control circuit.
- the actual value of the inrush current is recorded via a low-resistance measuring resistor, the measuring input being limited to a voltage signal of 450 mV.
- the block switches the operating current to the holding current, which is not regulated in contrast to the inrush current.
- the inrush current timer of the block is only started when the operating current has exceeded the specified inrush current value.
- the invention has for its object to provide a control with high current and voltage capacity and to ensure low-loss and accurate current measurement for the actual value detection of the control loop and a defined, reliable switching.
- the regulation of the switch-on and the holding current advantageously improves the efficiency of the contactor control. Furthermore, the timer is started regardless of the level of the inrush current, which increases the safety of the contactor control.
- the conventional controller module L 5832 namely starts the inrush current timer only after the inrush current has reached its predetermined value. If the specified inrush current were not reached, the module would not switch to holding current and the semiconductor components would be thermally destroyed by the high continuous current.
- Another advantage lies in the use of a threshold switch controlled by the input voltage in the input of the contactor control, with which a flutter of the Contactor due to undefined switching on and off is avoided.
- the circuit diagram shows an electronic contactor control with a power FET for two current setpoints with changeover switch, time control and threshold switch.
- the contactor control is supplied with a supply voltage at input terminal 1.
- the current through the contactor coil 2 is clocked with the integrated power semiconductor circuit 3 for the purpose of current regulation. So that the contactor does not drop out in the switching-off phases of the clocking, a freewheeling circuit with a diode 13, which is known for the operation of direct current contactors, is provided.
- the current control requires a measurement of the current flowing through the contactor coil.
- the measurement output 6 of the integrated power semiconductor circuit 3 is used for this purpose.
- a HEXSense module from International Rectifier is used as circuit 3. Around 1600 MOSFETs are connected in parallel in this module. The current is divided evenly between the individual MOSFETs. The source connection of a MOSFET is led to the outside with an extra connection, the measuring output 6.
- the exact ratio of the number of MOSFETs to the measuring MOSFET is specified by the manufacturer with a scale factor assigned to the respective module.
- the current of the measuring output 6 is converted with an operational amplifier 8 into a voltage which is applied to the negative input of a comparator 10.
- the output signal of a reference voltage transmitter 14 is connected to the positive input of this comparator 10. If the actual value voltage for the contactor current is greater than the reference voltage, the output of the comparator flips up from a positive voltage value OV and thus starts the switch-off timer 12, which controls the switch-off phases of the current clocking.
- the reference voltage generator 14 To control both the inrush and the holding current of a contactor, two different reference voltages are provided by the reference voltage generator 14: a reference voltage which is higher in the voltage value for the brief inrush current and a lower reference voltage in the voltage value for the holding current of the contactor.
- the reference values are switched using an electronic switch 15, which is controlled by an electronic timer 16 and which successively switches the reference voltages to the comparator 10.
- the timer 16 starts immediately when the supply voltage is present with the inrush phase.
- the presence of the supply voltage is checked with an electronic threshold switch 17, which is arranged in the input of the contactor control. If the supply voltage has not exceeded a defined switch-on threshold, then the start of the timer 16 is prevented.
- the threshold switch 17 also controls the switching off of the contactor control. If the supply voltage drops below a specified switch-off threshold, then there is no reference voltage at the comparator 10 and the semiconductor circuit 3 is blocked. With the threshold switch 17, a defined switching on and off of the contactor is achieved and the fluttering of the contactor is avoided.
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Electronic Switches (AREA)
- Control Of Voltage And Current In General (AREA)
- Emergency Protection Circuit Devices (AREA)
- Relay Circuits (AREA)
- Dc-Dc Converters (AREA)
Claims (1)
- Commande électronique de protection pour la régulation de l'alimentation en courant continu dans le cas de tension de distribution oscillante au moyen d'un rythmeur de courant et d'un circuit de passage libre pour le maintien de la protection dans les phases de coupure de courant, comprenant :a) un organe de réglage de circuit régulateur conçu comme un montage intégré de puissance à semi-conducteurs (3) qui comprend une pluralité de TEFs montés en parallèle dont au moins un sert de sortie de mesure (6) pour relever le courant de charge passant par l'autre embranchement parallèle;b) le signal de courant de la sortie de mesure (6) venant percurter un amplificateur opérationnel (8) faisant office de convertisseur de courant et de tension en vue de la conversion en un signal de tension (9) qui intervient en tant que valeur réelle à l'entrée des organes régulateurs (10, 12, 14) du rythmeur de courant,
caractérisée par les caractéristiques suivantes:c) un indicateur de tension de référence (14) pour deux signaux de référence différents avec des valeurs de tension différentes pour la régulation du courant de démarrage et de maintien ;d) une minuterie (16) pour la commutation des signaux de tension de référence qui, lors de l'application de la tension d'alimentation, débute une séquence-temps par la phase du courant de démarrage et qui reprend les signaux de référence dans l'ordre chronologique sur le comparateur (10) du rythmeur de courant ;e) un interrupteur de valeur de seuil (17) commandé par la tension d'entrée qui ne déclenche la commande de protection que si la tension d'alimentation dépasse un seuil de démarrage prédéterminé et déconnecte la commande de protection quand la tension d'alimentation est inférieure à un seuil de coupure prédéterminé.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE3908192 | 1989-03-14 | ||
DE3908192A DE3908192A1 (de) | 1989-03-14 | 1989-03-14 | Elektronische schuetzansteuerung |
Publications (3)
Publication Number | Publication Date |
---|---|
EP0387729A2 EP0387729A2 (fr) | 1990-09-19 |
EP0387729A3 EP0387729A3 (en) | 1990-11-22 |
EP0387729B1 true EP0387729B1 (fr) | 1995-05-03 |
Family
ID=6376264
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP90104583A Expired - Lifetime EP0387729B1 (fr) | 1989-03-14 | 1990-03-10 | Commande électronique d'un contacteur |
Country Status (6)
Country | Link |
---|---|
US (1) | US5113307A (fr) |
EP (1) | EP0387729B1 (fr) |
JP (1) | JP3057571B2 (fr) |
DE (2) | DE3908192A1 (fr) |
DK (1) | DK0387729T3 (fr) |
ES (1) | ES2073467T3 (fr) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE4026427C1 (fr) * | 1990-08-21 | 1992-02-13 | Siemens Ag, 8000 Muenchen, De | |
JPH06169269A (ja) * | 1992-11-30 | 1994-06-14 | Fujitsu Ltd | 給電切換リレー回路 |
DE9406446U1 (de) * | 1993-06-25 | 1994-11-03 | Siemens Ag | Ansteuerbaustein zur Ansteuerung eines Schützes |
US5914849A (en) * | 1994-04-26 | 1999-06-22 | Kilovac Corporation | DC actuator control circuit with voltage compensation, current control and fast dropout period |
JP2854538B2 (ja) * | 1995-05-19 | 1999-02-03 | アイシン・エィ・ダブリュ株式会社 | リニアソレノイド弁の制御装置 |
DE19524003A1 (de) * | 1995-06-30 | 1997-01-09 | Siemens Ag | Elektronische Schaltungsanordnung zur Relaisansteuerung |
SE505747C2 (sv) * | 1996-02-07 | 1997-10-06 | Asea Brown Boveri | Kontaktorutrustning |
EP0793343B1 (fr) * | 1996-02-29 | 2001-07-18 | Co.Ri.M.Me. Consorzio Per La Ricerca Sulla Microelettronica Nel Mezzogiorno | Circuit programmable avec limitation de courant pour les actuateurs de puissance |
US5784244A (en) * | 1996-09-13 | 1998-07-21 | Cooper Industries, Inc. | Current limiting circuit |
DE10358858A1 (de) * | 2003-12-16 | 2005-07-14 | Robert Bosch Gmbh | Verfahren und Vorrichtung zum Betreiben einer induktiven Last mit unterschiedlichen elektrischen Spannungen |
DE102010042050A1 (de) | 2010-10-06 | 2012-04-12 | Robert Bosch Gmbh | Verfahren zum Betreiben einer elektrischen Maschine |
KR101852285B1 (ko) * | 2014-05-23 | 2018-04-25 | 미쓰비시덴키 가부시키가이샤 | 전자석 구동 장치 |
EP3309811B1 (fr) * | 2016-10-11 | 2018-12-19 | Siemens Aktiengesellschaft | Protection comprenant une commande de bobine électronique |
Family Cites Families (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4327394A (en) * | 1978-02-27 | 1982-04-27 | The Bendix Corporation | Inductive load drive circuit utilizing a bi-level output comparator and a flip-flop to set three different levels of load current |
DE2841781A1 (de) * | 1978-09-26 | 1980-04-10 | Bosch Gmbh Robert | Einrichtung zum betrieb von elektromagnetischen verbrauchern bei brennkraftmaschinen |
DE3047488A1 (de) * | 1980-12-17 | 1982-07-22 | Brown, Boveri & Cie Ag, 6800 Mannheim | Elektronische schaltungsanordnung fuer ein elektromagnetisches schaltgeraet |
DE3135805A1 (de) * | 1981-09-10 | 1983-03-24 | Robert Bosch Gmbh, 7000 Stuttgart | Elektrische schaltungsanordnung in verbindung mit einem kfz-steuergeraet |
US4453652A (en) * | 1981-09-16 | 1984-06-12 | Nordson Corporation | Controlled current solenoid driver circuit |
DE3204234C2 (de) * | 1981-10-13 | 1985-08-29 | Erwin Sick Gmbh Optik-Elektronik, 7808 Waldkirch | Schaltungsanordnung zur Steuerung eines Relais |
US4453194A (en) * | 1982-03-01 | 1984-06-05 | International Business Machines Corporation | Integrated power circuit with current sensing means |
JPS59143231A (ja) * | 1983-02-07 | 1984-08-16 | 三菱電機株式会社 | リレ−駆動装置 |
DE3333833A1 (de) * | 1983-09-20 | 1985-04-04 | Brown, Boveri & Cie Ag, 6800 Mannheim | Schaltungsanordnung zum gleichstrombetrieb fuer schuetze |
US4667117A (en) * | 1984-10-31 | 1987-05-19 | International Business Machines Corporation | Self-timing and self-compensating print wire actuator driver |
JPS61187304A (ja) * | 1985-02-15 | 1986-08-21 | Togami Electric Mfg Co Ltd | 直流電磁石装置 |
DE3515951A1 (de) * | 1985-05-03 | 1986-11-06 | Siemens AG, 1000 Berlin und 8000 München | Ansteuerschaltung fuer ein monostabiles relais |
CN1005509B (zh) * | 1985-05-06 | 1989-10-18 | 西门子公司 | 电磁开关的控制装置 |
US4661766A (en) * | 1985-12-23 | 1987-04-28 | Caterpillar Inc. | Dual current sensing driver circuit |
DE3701985A1 (de) * | 1987-01-23 | 1988-08-04 | Knorr Bremse Ag | Vorschaltelektronik fuer ein gleichspannungserregbares geraet |
JPH0666472B2 (ja) * | 1987-06-22 | 1994-08-24 | 日産自動車株式会社 | 過電流保護機能を備えたmosfet |
FR2617634B1 (fr) * | 1987-07-03 | 1989-12-08 | Petercem Sa | Dispositif de commande et de controle de contacteur, et procede de controle correspondant |
-
1989
- 1989-03-14 DE DE3908192A patent/DE3908192A1/de active Granted
-
1990
- 1990-03-06 US US07/487,897 patent/US5113307A/en not_active Expired - Lifetime
- 1990-03-10 ES ES90104583T patent/ES2073467T3/es not_active Expired - Lifetime
- 1990-03-10 DE DE59008993T patent/DE59008993D1/de not_active Expired - Fee Related
- 1990-03-10 DK DK90104583.1T patent/DK0387729T3/da active
- 1990-03-10 EP EP90104583A patent/EP0387729B1/fr not_active Expired - Lifetime
- 1990-03-13 JP JP2060167A patent/JP3057571B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
ES2073467T3 (es) | 1995-08-16 |
DK0387729T3 (da) | 1995-09-18 |
DE3908192C2 (fr) | 1991-11-28 |
JP3057571B2 (ja) | 2000-06-26 |
EP0387729A2 (fr) | 1990-09-19 |
DE3908192A1 (de) | 1990-09-20 |
EP0387729A3 (en) | 1990-11-22 |
DE59008993D1 (de) | 1995-06-08 |
US5113307A (en) | 1992-05-12 |
JPH02281527A (ja) | 1990-11-19 |
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