Two -way shutdown protection electrical connection device of digital electric hydraulic control system

The utility model discloses a two -way shutdown protection electrical connection device of digital electric hydraulic control system, including binding post and auxiliary relay, binding post's one end and auxiliary relay are connected, and auxiliary relay and normally closed contact or the norm...

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Bibliographische Detailangaben
Hauptverfasser:	HAI GUANGXING, FEI YANGYANG, LIU XIAOHUI, ZHANG GANG, LI XINGZHAO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	BLASTING ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MECHANICAL ENGINEERING NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAMTURBINES STEAM ENGINES WEAPONS
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Beschreibung
Zusammenfassung:	The utility model discloses a two -way shutdown protection electrical connection device of digital electric hydraulic control system, including binding post and auxiliary relay, binding post's one end and auxiliary relay are connected, and auxiliary relay and normally closed contact or the normally open contact who keeps watch on the UPS power supply relay are connected with the normally open contact who keeps watch on the service power relay, normally closed contact perhaps keep watch on normally open contact and the supervision service power relay of UPS power supply relay normally open contact and binding post's the other end is connected, and normally closed contact includes ETS1 normally closed contact, ETS2 normally closed contact, ETS3 normally closed contact and ETS4 normally closed contact, does the normally open contact who keeps watch on the UPS power supply relay include W1 1, W1 2, W1 3 and W1 4 normally open contact, does the normally open contact who keeps watch on the service power relay inclu