WO2008148470A2 - Redresseur destiné à alimenter une bobine - Google Patents

Redresseur destiné à alimenter une bobine Download PDF

Info

Publication number
WO2008148470A2
WO2008148470A2 PCT/EP2008/004143 EP2008004143W WO2008148470A2 WO 2008148470 A2 WO2008148470 A2 WO 2008148470A2 EP 2008004143 W EP2008004143 W EP 2008004143W WO 2008148470 A2 WO2008148470 A2 WO 2008148470A2
Authority
WO
WIPO (PCT)
Prior art keywords
coil
voltage
circuit
switch
electronic
Prior art date
Application number
PCT/EP2008/004143
Other languages
German (de)
English (en)
Other versions
WO2008148470A3 (fr
Inventor
Karl Unsinn
Andreas Marten
Original Assignee
Chr. Mayr Gmbh + Co. Kg
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 Chr. Mayr Gmbh + Co. Kg filed Critical Chr. Mayr Gmbh + Co. Kg
Priority to CN2008800187400A priority Critical patent/CN101689820B/zh
Priority to JP2010510666A priority patent/JP2010529823A/ja
Publication of WO2008148470A2 publication Critical patent/WO2008148470A2/fr
Publication of WO2008148470A3 publication Critical patent/WO2008148470A3/fr

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M7/00—Conversion of ac power input into dc power output; Conversion of dc power input into ac power output
    • H02M7/02—Conversion of ac power input into dc power output without possibility of reversal
    • H02M7/04—Conversion of ac power input into dc power output without possibility of reversal by static converters
    • H02M7/12—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode
    • H02M7/145—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means
    • H02M7/155—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only
    • H02M7/162—Conversion of ac power input into dc power output without possibility of reversal by static converters using discharge tubes with control electrode or semiconductor devices with control electrode using devices of a thyratron or thyristor type requiring extinguishing means using semiconductor devices only in a bridge configuration
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P15/00—Arrangements for controlling dynamo-electric brakes or clutches

Definitions

  • the present invention relates to a rectifier circuit for feeding a coil - e.g. the electromagnet of an electrically releasable brake - with power from an AC mains.
  • Electrically released brakes such as the safety brakes of elevators, generally consist of a brake that is forced into engagement with springs.
  • "releasable” means that the brake is released by the action of the current: an electromagnet is provided to release the brake and counteracts the spring force on an armature as soon as it is released however, when de-energized, the springs return the brake to engagement.
  • the coil of the electromagnet must be energized, which requires a constant power supply. Typically, this is done by connecting to the local power grid.
  • the voltage of the local power grid available near the machinery typically has a number of different default values.
  • the aim of the present invention is a rectifier circuit for feeding electromagnetically releasable brakes, which can be used with different mains voltages.
  • the same electromagnetic coil and for all sizes of electromagnets the same rectifier circuit can be used for all voltages.
  • this circuit for feeding a coil provides an operating current comprising:
  • Input terminals for connection to an AC mains
  • a rectifier circuit connected to the input terminals for generating a DC voltage based on the supplied AC current
  • a power supply control circuit connected to the output terminals for regulating the voltage applied to the output terminals, the power supply control circuit having a control output line and an internal circuit with which a request signal can be applied to the output line in case of more current is required by the rectifier to maintain the regulated voltage at the output terminals; wherein the rectifier element has a voltage limiting circuit connected to the control output line of the power supply control circuit and allowing current to the output terminals when the request signal has been received.
  • this circuit provides a different operating voltage for operating a coil for connection to AC power supplies, comprising a rectifier circuit connected to the input terminals for generating a periodically varying DC voltage; Output terminals for supplying a coil with the DC voltage generated by the rectifier; an electronic valve / switch with which a direct current can be switched on or off at any time; a freewheeling diode connected to the output terminals, with which the current flow through the coil can be maintained during the blocking periods of the electronic valve or switch; a control circuit connected to the output terminals and measuring the DC voltage applied to the coil; or from other measured voltages (eg, input voltage, DC link voltage, valve switch voltage, etc.), and drives the electronic valve or switch to keep the DC voltage applied to the coil constant and a mechanical / electronic switch in the power supply has the coil with which the freewheeling circuit is interrupted for an emergency shutdown.
  • a rectifier circuit connected to the input terminals for generating a periodically varying DC voltage
  • Output terminals for supplying a coil with the DC voltage generated by
  • the arrangement also has the advantage that for each desired current only one of a rectifier and a coil voltage existing retrofit kit, but not a separate unit for each current / voltage combination is to produce. This achieves a drastically reduced number of manufactured and vorzuhaltender components. Even if one sets different target coil currents, but there is a fairly wide current range for a single rectifier circuit is sufficient.
  • Fig. 1 is a circuit of the interconnected with a brake coil
  • Fig. 2 is a circuit of a second embodiment of the
  • Fig. 3 is a circuit of a third embodiment.
  • Fig. 1 shows a semi-controlled bridge.
  • the measuring and control element controls the electronic switches T1 and T2 so that the nominal DC voltage is applied to the coil.
  • the switch S1 is used for optional DC side shutdown.
  • the voltage regulation can be achieved by phase control, Phase section control or pulse width modulation (PWM).
  • PWM pulse width modulation
  • the SCRs T1 and T2 replace the rectifiers in the positive half of the rectifier bridge.
  • the SCRs at their gate electrodes are energized, causing the bridge rectifiers to switch through.
  • Fig. 2 shows a bridge rectifier circuit.
  • the measuring and control element acts on the alternating voltage side on the electronic switch T1, so that the setpoint DC voltage is applied to the coil.
  • the voltage regulation can be done by phase control, phase control or pulse width modulation.
  • the switch S1 is used for optional DC side shutdown.
  • a triac or other AC electrical switching element is connected in series with one of the phases of the AC line to supply current to the bridge rectifier as needed and driven by the measuring and regulating element.
  • Fig. 3 shows a bridge rectification.
  • the measuring and control element controls the DC-side electronic switch T1 so that the target DC voltage applied to the coil.
  • the voltage regulation can be done by phase control, phase control or pulse width modulation.
  • the switch S1 is used for optional DC side shutdown.
  • the AC input is applied directly to a bridge rectifier.
  • the electronic switch eg IGBT, regulates this the coil voltage applied on the DC side according to the signals from the measuring and control element.
  • the "measuring and control element" in the block diagram can be an RC element with voltage divider for detecting the output voltage or other voltages (eg input voltage, DC link voltage, valve switch voltage, etc.) from which the output voltage can be calculated or derived, as well as an evaluation circuit , which controls the electronic switches according to the level of the output voltage, and can be implemented, for example, with an operational amplifier or a microprocessor.
  • the output voltage or other voltages eg input voltage, DC link voltage, valve switch voltage, etc.
  • an evaluation circuit which controls the electronic switches according to the level of the output voltage, and can be implemented, for example, with an operational amplifier or a microprocessor.
  • the coil Y1 is preferably nothing but the coil itself, which changes its effective resistance due to the change in temperature, so that the coil current decreases when the coil voltage is kept constant.
  • an optional up or down regulation of the control voltage is intended to achieve overexcitation and / or a reduced holding voltage.
  • the coil is over-excited to build up the magnetic field as quickly as possible and kept energized at a reduced voltage after complete excitation.
  • the circuit arrangements are for any mains frequencies suitable, in particular 50 Hz or 60 Hz (eg USA). It has been found that mains voltages can be operated over a range of the order of 3: 1.

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Rectifiers (AREA)

Abstract

L'invention concerne un circuit destiné à l'utilisation d'une bobine d'un frein de sécurité à déblocage électrique, le circuit étant conçu pour être connecté à des alimentations en courant alternatif à diverses tensions de fonctionnement (de préférence monophasées). Ledit circuit comporte un circuit de redresseur connecté aux bornes d'entrée, destiné à produire une tension continue à variation périodique; des bornes de sortie destinées à l'alimentation d'une bobine avec la tension continue produite par le redresseur; une ou plusieurs soupapes/commutateurs électroniques destinées à enclencher/couper le courant continu à n'importe quel moment; de préférence une diode de marche à vide connectée aux bornes de sortie afin de maintenir le flux de courant au travers de la bobine lors des temps de blocage de la soupape/commutateur électronique; un circuit de régulation connecté aux bornes de sortie, mesurant la tension continue sur la bobine ou la calculant ou la déduisant d'autres tensions mesurées (par ex. tension d'entrée, tension de circuit intermédiaire, tension de soupape/commutateur etc.), et commandant la soupape/commutateur de telle manière que la tension continue sur la bobine reste constante; et un commutateur mécanique/électronique situé dans la ligne d'alimentation vers la bobine, destiné à l'interruption et à la coupure rapide du circuit à marche à vide.
PCT/EP2008/004143 2007-06-05 2008-05-23 Redresseur destiné à alimenter une bobine WO2008148470A2 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN2008800187400A CN101689820B (zh) 2007-06-05 2008-05-23 整流器、制动器和调节电磁铁的接线电压的方法
JP2010510666A JP2010529823A (ja) 2007-06-05 2008-05-23 コイルの給電のための整流器

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102007026212.6 2007-06-05
DE200710026212 DE102007026212A1 (de) 2007-06-05 2007-06-05 Gleichrichter zum Speisen einer Spule

Publications (2)

Publication Number Publication Date
WO2008148470A2 true WO2008148470A2 (fr) 2008-12-11
WO2008148470A3 WO2008148470A3 (fr) 2009-01-29

Family

ID=39719222

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2008/004143 WO2008148470A2 (fr) 2007-06-05 2008-05-23 Redresseur destiné à alimenter une bobine

Country Status (5)

Country Link
JP (1) JP2010529823A (fr)
KR (1) KR20100017597A (fr)
CN (1) CN101689820B (fr)
DE (2) DE202007019003U1 (fr)
WO (1) WO2008148470A2 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106783008B (zh) * 2016-12-27 2018-05-15 宁波市镇海华泰电器厂 采用变异电桥的推拉交流电磁铁
EP3915185A1 (fr) * 2019-01-21 2021-12-01 Sew-Eurodrive GmbH & Co. KG Système d'entraînement et procédé servant à faire fonctionner un système d'entraînement comprenant un frein à actionnement électromagnétique
DE102020203623A1 (de) * 2020-03-20 2021-09-23 Schmidhauser Ag Schaltung und Verfahren zur Ansteuerung einer elektromechanischen Haltebremse, Frequenzumrichter und System

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19749608C1 (de) * 1997-11-10 1999-03-04 Siemens Ag Elektromotor mit Bremse
DE19740016A1 (de) * 1997-09-11 1999-03-18 Sew Eurodrive Gmbh & Co Schaltungsanordnung und Verfahren zum Betrieb einer Erregerspule einer elektromagnetisch betätigbaren, mechanischen Bremse eines Elektromotors
EP1420616A2 (fr) * 2002-11-15 2004-05-19 ABB PATENT GmbH Dispositif et procédé pour générer une tension d'alimentations pour un appareil d'éclairage
EP1622251A1 (fr) * 2004-07-29 2006-02-01 Moteurs Patay Dispositif pour l'alimentation électrique d'un frein
DE102006016748A1 (de) * 2006-04-10 2007-10-11 Chr. Mayr Gmbh + Co Kg Gleichrichter zum Speisen einer Bremsspule

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS572606U (fr) * 1980-06-04 1982-01-08
JPS59131114U (ja) * 1983-02-22 1984-09-03 松下電器産業株式会社 直流ソレノイドの駆動装置
JPH06103648B2 (ja) * 1986-12-23 1994-12-14 富士電機株式会社 電磁石駆動装置
JP2573300B2 (ja) * 1987-08-05 1997-01-22 株式会社東芝 電磁石のコイル駆動装置
CN2083656U (zh) * 1990-10-28 1991-08-28 齐延国 制动器电子节电线圈
US6291952B1 (en) 1997-08-25 2001-09-18 Sew-Eurodrive Gmbh & Co. Method and circuit arrangement for operating an electromagnetically actuated mechanical brake of an electric motor
JPH1189260A (ja) * 1997-09-09 1999-03-30 Aichi Electric Co Ltd 電気機器の通電制御装置
US6853530B1 (en) * 2000-09-15 2005-02-08 General Electric Company Apparatus and method for actuating a mechanical device
JP4007227B2 (ja) * 2003-03-28 2007-11-14 株式会社デンソー 誘導性負荷制御装置
CN2831352Y (zh) * 2005-06-28 2006-10-25 刘宝臣 高效节能电磁铁控制器

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19740016A1 (de) * 1997-09-11 1999-03-18 Sew Eurodrive Gmbh & Co Schaltungsanordnung und Verfahren zum Betrieb einer Erregerspule einer elektromagnetisch betätigbaren, mechanischen Bremse eines Elektromotors
DE19749608C1 (de) * 1997-11-10 1999-03-04 Siemens Ag Elektromotor mit Bremse
EP1420616A2 (fr) * 2002-11-15 2004-05-19 ABB PATENT GmbH Dispositif et procédé pour générer une tension d'alimentations pour un appareil d'éclairage
EP1622251A1 (fr) * 2004-07-29 2006-02-01 Moteurs Patay Dispositif pour l'alimentation électrique d'un frein
DE102006016748A1 (de) * 2006-04-10 2007-10-11 Chr. Mayr Gmbh + Co Kg Gleichrichter zum Speisen einer Bremsspule

Also Published As

Publication number Publication date
DE102007026212A1 (de) 2008-12-11
CN101689820B (zh) 2012-07-04
KR20100017597A (ko) 2010-02-16
DE202007019003U1 (de) 2010-03-04
WO2008148470A3 (fr) 2009-01-29
CN101689820A (zh) 2010-03-31
JP2010529823A (ja) 2010-08-26

Similar Documents

Publication Publication Date Title
DE10201467B4 (de) Multifunktionales Hybrid-Schütz
DE60113983T2 (de) Stromversorgung für ein hausgerät
DE10356514A1 (de) Stromversorgungseinrichtung
DE112014006836T5 (de) DC-DC-Transformator
EP1805885B1 (fr) Frein electromagnetique, dispositif de commande sure d'un frein electromagnetique, moteur electrique et frein
WO2008148470A2 (fr) Redresseur destiné à alimenter une bobine
DE19617048C1 (de) Verfahren zur Energierückspeisung für Puls-Umrichter mit Spannungs-Zwischenkreis
WO2007118576A1 (fr) Redresseur d'alimentation d'une bobine de freinage
EP3138192A1 (fr) Dispositif permettant de faire fonctionner un redresseur, en particulier un pont redresseur semi-commandé, et procédé permettant de faire fonctionner un redresseur
EP2355353A1 (fr) Procédé de commande destiné à la limitation de la surtension et du court-circuit d'un circuit de réglage de puissance et dispositif correspondant
DE102009034310A1 (de) Schaltnetzteil
DE102009039481A1 (de) Vorrichtung und Verfahren zur Anlaufstrombegrenzung
DE102020000127A1 (de) Antriebssystem und Verfahren zum Betreiben eines Antriebssystems
DE10043571C1 (de) Schalt-, Steuerungs- und Regeleinrichtung für elektrische Weichenheizungen
CN108700214B (zh) 阀门驱动器
DE3533802A1 (de) Schaltungsanordnung zur steuerung des anlaufens und abbremsens von drehstrom-asynchronmotoren und verfahren zum betrieb einer derartigen schaltungsanordnung
DE3702380C2 (fr)
EP2523323A1 (fr) Convertisseur de fréquence doté d'une bobine d'arrêt de mode commun et procédé de fonctionnement de celui-ci
BE1028230B1 (de) Energieversorgungsvorrichtung mit sicherheitsgerichteter Abschaltung sowie Verfahren zum Abschalten einer Energieversorgungsvorrichtung
DE469491C (de) Einrichtung an einer regelbaren elektrischen Leitung, die insbesondere von einem Generator gespeist ist
AT226330B (de) Entregungsanordnung
DE2019045C (de) Antriebssystem mit Gleichstrom™ henmaschinen
DE904068C (de) Anordnung zur selbsttaetigen Strombegrenzung bei fuer Gleichrichter- und Wechselrichterbetrieb eingerichteten Stromrichtern
WO1995002858A1 (fr) Agencement de circuits pour la regulation de la puissance d'un element chauffant faisant partie d'un dispositif de chauffage utilise pour secher une bande en mouvement
DE202018101718U1 (de) Gleichstromversorgung

Legal Events

Date Code Title Description
WWE Wipo information: entry into national phase

Ref document number: 200880018740.0

Country of ref document: CN

121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 08758735

Country of ref document: EP

Kind code of ref document: A2

WWE Wipo information: entry into national phase

Ref document number: 2010510666

Country of ref document: JP

ENP Entry into the national phase

Ref document number: 20097025235

Country of ref document: KR

Kind code of ref document: A

122 Ep: pct application non-entry in european phase

Ref document number: 08758735

Country of ref document: EP

Kind code of ref document: A2