Device for preventing high-voltage switch cabinet from being locked by mistake

Device for preventing high-voltage switch cabinet from being locked by mistake

  • CN 101,867,159 A
  • Filed: 04/17/2009
  • Published: 10/20/2010
  • Est. Priority Date: 04/17/2009
  • Status: Active Application
First Claim
Patent Images

1. high-tension switch cabinet anti-misoperation locking device is characterized in that:

  • Anti-misoperation locking device comprises main body mechanism (1), and main body mechanism (1) can be installed in high-voltage switch gear cashier'"'"'s office in a shop, and the signal of high pressure sensor (3) inserts main body mechanism (1), comprises electromagnetic lock (5) in the main body mechanism (1);

    Anti-misoperation locking device comprises portable body (2), comprises DC power supply (6) in the portable body (2), is connected by plug connector (7) between portable body (2) and the main body mechanism (1);

    Anti-misoperation locking device also comprises charged testing circuit (4), and charged testing circuit (4) can be arranged in main body mechanism (1) and the portable body (2);

    Charged testing circuit (4) detects the signal from high pressure sensor (1), and testing result is not release of electromagnetic lock (5) when high pressure is arranged, and testing result is the release of charged testing circuit (4) driving electromagnetic lock (5) during for no high pressure.

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