DE4034560A1 - Verfahren zum schuetzen eines motors vor ueberlastung - Google Patents

Verfahren zum schuetzen eines motors vor ueberlastung

Info

Publication number
DE4034560A1
DE4034560A1 DE19904034560 DE4034560A DE4034560A1 DE 4034560 A1 DE4034560 A1 DE 4034560A1 DE 19904034560 DE19904034560 DE 19904034560 DE 4034560 A DE4034560 A DE 4034560A DE 4034560 A1 DE4034560 A1 DE 4034560A1
Authority
DE
Germany
Prior art keywords
motor
output voltage
reference value
pulses
frequency
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
DE19904034560
Other languages
German (de)
English (en)
Inventor
Hiromitsu Ogasawara
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.)
Tachi S Co Ltd
Original Assignee
Tachi S Co Ltd
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 Tachi S Co Ltd filed Critical Tachi S Co Ltd
Publication of DE4034560A1 publication Critical patent/DE4034560A1/de
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/085—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load
    • H02H7/0851—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against excessive load for motors actuating a movable member between two end positions, e.g. detecting an end position or obstruction by overload signal
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/08—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors
    • H02H7/093—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for dynamo-electric motors against increase beyond, or decrease below, a predetermined level of rotational speed

Landscapes

  • Protection Of Generators And Motors (AREA)
  • Control Of Direct Current Motors (AREA)
  • Control Of Electric Motors In General (AREA)
DE19904034560 1989-11-17 1990-10-30 Verfahren zum schuetzen eines motors vor ueberlastung Ceased DE4034560A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29930989A JPH03164024A (ja) 1989-11-17 1989-11-17 モータの過負荷保護方法

Publications (1)

Publication Number Publication Date
DE4034560A1 true DE4034560A1 (de) 1992-05-07

Family

ID=17870872

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19904034560 Ceased DE4034560A1 (de) 1989-11-17 1990-10-30 Verfahren zum schuetzen eines motors vor ueberlastung

Country Status (3)

Country Link
JP (1) JPH03164024A (ja)
DE (1) DE4034560A1 (ja)
FR (1) FR2668662A1 (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230253A1 (de) * 2002-07-04 2004-01-22 Behr Gmbh & Co. Anordnung und Verfahren zum Schutz vor Überlast eines Elektromotors
EP2050174A2 (en) * 2006-07-31 2009-04-22 Danaher Motion, LLC Overload prevention device for permanent magnet dc motors

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906322A (en) * 1973-03-14 1975-09-16 Fuji Electric Co Ltd Shaft rotation responsive stopping means for a motor-driven chuck
DE2738246A1 (de) * 1977-08-25 1979-03-01 Licentia Gmbh Schaltung zur regelung der drehzahl eines elektromotors
DE3231259A1 (de) * 1981-08-26 1983-03-10 Papst-Motoren GmbH & Co KG, 7742 St Georgen Schaltungsanordnung zur drehzahlueberwachung
DE3422322A1 (de) * 1983-06-30 1985-01-03 The Singer Co., Stamford, Conn. Ueberlastungsschutz bei einem motor-steuersystem

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3536977A (en) * 1967-08-21 1970-10-27 Amtron Control circuit for stopping a motor in response to a torque overload
FR2306449A1 (fr) * 1975-04-02 1976-10-29 Pont A Mousson Dispositif de detection de sous-vitesse et de sur-vitesse d'un arbre anime d'un mouvement de rotation
DE2933093A1 (de) * 1979-08-16 1981-02-26 Keiper Automobiltechnik Gmbh Verstellbarer fahrzeugsitz
US4328522A (en) * 1980-03-31 1982-05-04 Lake Center Industries Brush speed sensing control for vacuum cleaner

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3906322A (en) * 1973-03-14 1975-09-16 Fuji Electric Co Ltd Shaft rotation responsive stopping means for a motor-driven chuck
DE2738246A1 (de) * 1977-08-25 1979-03-01 Licentia Gmbh Schaltung zur regelung der drehzahl eines elektromotors
DE3231259A1 (de) * 1981-08-26 1983-03-10 Papst-Motoren GmbH & Co KG, 7742 St Georgen Schaltungsanordnung zur drehzahlueberwachung
DE3422322A1 (de) * 1983-06-30 1985-01-03 The Singer Co., Stamford, Conn. Ueberlastungsschutz bei einem motor-steuersystem

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10230253A1 (de) * 2002-07-04 2004-01-22 Behr Gmbh & Co. Anordnung und Verfahren zum Schutz vor Überlast eines Elektromotors
EP2050174A2 (en) * 2006-07-31 2009-04-22 Danaher Motion, LLC Overload prevention device for permanent magnet dc motors
EP2050174A4 (en) * 2006-07-31 2012-05-09 Danaher Motion Llc OVERLOAD PREVENTION DEVICE FOR PERMANENT MAGNET DC MOTORS

Also Published As

Publication number Publication date
FR2668662A1 (fr) 1992-04-30
JPH03164024A (ja) 1991-07-16

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8131 Rejection