METHOD AND DEVICE FOR CONTROLLING A SELECTION DEVICE WITH SOLENOIDS FOR A WEAVING MACHINE

METHOD AND DEVICE FOR CONTROLLING A SELECTION DEVICE WITH SOLENOIDS FOR A WEAVING MACHINE

Device for energizing a number of coils of a hook selection device for a weaving machine includes an electrical power supply source connected to the coils and a regulating device for regulating the current intensity in the coils. Each coil includes: a comparator for comparing the current intensity i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: VANHEESBEKE, STEFAAN
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
DESIGNING PATTERNS
PATTERN CARDS OR CHAINS
PUNCHING OF CARDS
SHEDDING MECHANISMS
TEXTILES
WEAVING
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Beschreibung
Zusammenfassung:Device for energizing a number of coils of a hook selection device for a weaving machine includes an electrical power supply source connected to the coils and a regulating device for regulating the current intensity in the coils. Each coil includes: a comparator for comparing the current intensity in the coil to a reference current intensity and a controllable current regulator (e.g. a chopper transistor) for regulating the current intensity in the coil in order to reach or approach the reference current intensity. The regulating device includes an electronic control circuit that is provided to control the current regulator of each coil of a number of coils, in order to reduce a variance between the actual current intensity in that coil and the reference current intensity measured by the comparator of that coil.