Voltage drop method detection technology for electrical fire prevention and control

Voltage drop method detection technology for electrical fire prevention and control

  • CN 103,904,614 A
  • Filed: 04/11/2014
  • Published: 07/02/2014
  • Est. Priority Date: 04/11/2014
  • Status: Active Application
First Claim
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1. the anti-electric pressure decline method Detection Techniques of electrical fire, adopt the method prevention and control electrical fire of surveying the pressure drop of electricity consumption line electricity, it is characterized in that by realizing with lower module:

  • One residual current signal conversion module M1;

    One residual current signal trigger control module M2;

    One fault-finding protection module M3;

    One remote protecting control interface module M4;

    One remote internet alarm Signal interface module M5;

    One fire alarm trigger module M6;

    One residual current trigger action value setting module M7;

    One electricity consumption line fault protection value setting module M8;

    One Electromagnetic Control protection module M9;

    1 pin of fault-finding protection module M3 is connected with 2 pin of electricity consumption line fault protection value setting module M8;

    5 pin of fault-finding protection module M3 are held and are connected with electric line N with monitored with 6 pin, and are connected with 1 pin of fire alarm trigger module M6,3 pin of residual current signal trigger control module M2;

    2 pin of fault-finding protection module M3 are connected with 3 pin of residual current signal conversion module M1,2 pin of remote internet alarm Signal interface module M5, and are connected with 2 ends that start control switch An;

    4 pin of fault-finding protection module M3 connect 1 pin of remote internet alarm Signal interface module M5 and 1 pin of remote protecting control interface module M4;

    8 pin of fault-finding protection module M3 connect 1 pin of residual current signal trigger control module M2 and 3 pin of fire alarm trigger module M6;

    1 pin of electricity consumption line fault protection value setting module M8 connects 1 pin and the monitored electric line L1 end of using of Electromagnetic Control protection module M9;

    1 pin of residual current signal conversion module M1 and 2 pin are connected with the terminals that are arranged on the zero-sequence transformer Q of electric line;

    The anti-electric pressure decline method Detection Techniques of described electrical fire comprise the following steps;

    Step a;

    fault-finding protection module M3, by detection line wire voltage depreciation, detects line fault, and sends fault-signal to solenoid-operated switch protection module M9, remote internet alarm Signal interface module M5 and fire alarm trigger module M6;

    Step b;

    Electromagnetic Control protection module M9 receives after the fault-signal of fault-finding protection module M3, sends signal and makes control switch J action to monitored with electric line control switch J, cuts off monitored line power;

    Step c;

    remote internet alarm interface module M5 receives after the fault-signal of fault-finding protection module M3, sends a signal to remote internet alarm system, reports to the police.

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