Gas isolated switchgear

Gas isolated switchgear

  • CN 103,138,199 B
  • Filed: 06/07/2005
  • Issued: 08/24/2018
  • Est. Priority Date: 06/09/2004
  • Status: Active Grant
First Claim
Patent Images

1. a kind of gas isolated switchgear, including:

  • A) shell, the shell include enclosure wall,B) at least one breaker, the breaker is arranged in the inside of shell, and includes:

    First, second, and third fixed contact (1,2,3), first, second, and third fixed contact be it is spaced apart,Moveable switch contact element, there are one colored or pattern marks for the moveable switch contact element toolNote, the moveable switch contact element can move between a first position and a second position, at firstIt sets moveable switch contact element and contacts the first and second fixed contacts, but do not contact third fixed contact;

    AndMoveable switch contact element contacts the second fixed contact and third fixed contact on the second position, but it is solid not contact firstFixed contact, first position is to turn on position and the second position is earthing position,C) watch window, operating personnel can observe breaker by the watch window, and the watch window is located at the wall of shellIn so that it can be with the position of visible directly switch contact element, to according on switch contact element (4) from shell exteriorColored or pattern label (5) judges that the position of the switch, i.e. switch contact element (4) is consolidated relative to first, second, and thirdThe position of fixed contact (1,2,3), each position of the switch correspond uniquely to the position of colored or pattern label (5).

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