DE20021290U1 - Circuit arrangement for electronic stop detection in synchronous motors - Google Patents

Circuit arrangement for electronic stop detection in synchronous motors

Info

Publication number
DE20021290U1
DE20021290U1 DE20021290U DE20021290U DE20021290U1 DE 20021290 U1 DE20021290 U1 DE 20021290U1 DE 20021290 U DE20021290 U DE 20021290U DE 20021290 U DE20021290 U DE 20021290U DE 20021290 U1 DE20021290 U1 DE 20021290U1
Authority
DE
Germany
Prior art keywords
circuit arrangement
criterion
reaching
arrangement according
end stop
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
Application number
DE20021290U
Other languages
German (de)
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.)
Johnson Electric Dresden GmbH
Original Assignee
Saia Burgess GmbH
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 Saia Burgess GmbH filed Critical Saia Burgess GmbH
Priority to DE20021290U priority Critical patent/DE20021290U1/en
Publication of DE20021290U1 publication Critical patent/DE20021290U1/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • 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
    • H02P3/00—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters
    • H02P3/06—Arrangements for stopping or slowing electric motors, generators, or dynamo-electric converters for stopping or slowing an individual dynamo-electric motor or dynamo-electric converter

Description

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßt The description text was not recorded electronically  

Der Beschreibungstext wurde nicht elektronisch erfaßtThe description text was not recorded electronically

Claims (6)

1. Schaltungsanordnung zur elektronischen Anschlagerkennung von Synchron­ motoren, dadurch gekennzeichnet, dass
  • a) die Spannungen der beiden Motorphasen A und B (4.1) an den Meßpunkten (1, 2) bezogen auf die Masse (3) oder die Potential­ differenz zwischen den beiden Motorphasen A, B (4.1) an den Messpunkten (1, 2) gemessen wird,
  • b) diese Spannungen über eine Auswerte- und Ansteuerelektronik (6) direkt ausgewertet, oder die Potentialdifferenz zwischen den beiden Motorphasen (4.1) und/oder deren Spektrum ausgewertet werden und bei Vorliegen des Kriteriums für das Erreichen eines Endanschlags die Bestromung des Motors (4) über das Schaltelement (7) unterbrochen wird.
1. Circuit arrangement for electronic stop detection of synchronous motors, characterized in that
  • a) the voltages of the two motor phases A and B ( 4.1 ) at the measuring points ( 1 , 2 ) in relation to the mass ( 3 ) or the potential difference between the two motor phases A, B ( 4.1 ) at the measuring points ( 1 , 2 ) is measured
  • b) these voltages are evaluated directly via evaluation and control electronics ( 6 ), or the potential difference between the two motor phases ( 4.1 ) and / or their spectrum are evaluated and, if the criterion for reaching an end stop is met, the current supply to the motor ( 4 ) is interrupted via the switching element ( 7 ).
2. Schaltungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass als Kriterium für das Erreichen eines Endanschlages die Änderung des Spannungsabfalls der über den Motorkondensator Cl (5) versorgten Phase gilt.2. Circuit arrangement according to claim 1, characterized in that the criterion for reaching an end stop is the change in the voltage drop of the phase supplied via the motor capacitor Cl ( 5 ). 3. Schaltungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass als Kriterium für das Erreichen eines Endanschlages eine Änderung der Kurvenform der ausgewerteten Spannung dient.3. Circuit arrangement according to claim 1, characterized in that as a criterion for achieving a End stop a change in the curve shape of the evaluated voltage serves. 4. Schaltungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass als Kriterium für das Erreichen eines Endanschlages eine Änderung der Potentialdifferenz zwischen den Motorphasen A, B (4.1) dient.4. Circuit arrangement according to claim 1, characterized in that a change in the potential difference between the motor phases A, B ( 4.1 ) serves as a criterion for reaching an end stop. 5. Schaltungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass als Kriterium für das Erreichen eines Endanschlages eine Änderung des Spektrums der Spannung der über den Motorkondensator Cl (5) versorgten Phase dient, wobei vorzugsweise die Spektralanteile bei n . 1,5-fache Betriebsfrequenz erhöht sind.5. Circuit arrangement according to claim 1, characterized in that a change in the spectrum of the voltage of the phase supplied via the motor capacitor Cl ( 5 ) serves as a criterion for reaching an end stop, the spectral components preferably being at n. 1.5 times the operating frequency are increased. 6. Schaltungsanordnung nach einem der Ansprüche 1 bis 5, dadurch gekennzeichnet, dass als Bezugswert für das Erreichen des Kriteriums entweder ein fest eingespeicherter Wert oder ermittelte Werte aus vorangegangenen Perioden vorgegeben sind.6. Circuit arrangement according to one of claims 1 to 5, characterized in that as a reference value for reaching the Criterion either a permanently stored value or determined values previous periods are specified.
DE20021290U 2000-12-15 2000-12-15 Circuit arrangement for electronic stop detection in synchronous motors Expired - Lifetime DE20021290U1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE20021290U DE20021290U1 (en) 2000-12-15 2000-12-15 Circuit arrangement for electronic stop detection in synchronous motors

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE20021290U DE20021290U1 (en) 2000-12-15 2000-12-15 Circuit arrangement for electronic stop detection in synchronous motors

Publications (1)

Publication Number Publication Date
DE20021290U1 true DE20021290U1 (en) 2001-04-26

Family

ID=7950134

Family Applications (1)

Application Number Title Priority Date Filing Date
DE20021290U Expired - Lifetime DE20021290U1 (en) 2000-12-15 2000-12-15 Circuit arrangement for electronic stop detection in synchronous motors

Country Status (1)

Country Link
DE (1) DE20021290U1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095926A1 (en) * 2001-05-22 2002-11-28 Saia-Burgess Gmbh Method and circuit arrangement for electronic stop recognition in synchronous motors
EP1357662A1 (en) 2002-04-27 2003-10-29 P D Technology Limited Motor control

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002095926A1 (en) * 2001-05-22 2002-11-28 Saia-Burgess Gmbh Method and circuit arrangement for electronic stop recognition in synchronous motors
EP1357662A1 (en) 2002-04-27 2003-10-29 P D Technology Limited Motor control

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Legal Events

Date Code Title Description
R207 Utility model specification

Effective date: 20010531

R163 Identified publications notified

Effective date: 20011108

R156 Lapse of ip right after 3 years

Effective date: 20040701