Barrier bypassing and drop preventing system and method

Barrier bypassing and drop preventing system and method

  • CN 101,088,720 B
  • Filed: 06/15/2006
  • Issued: 05/23/2012
  • Est. Priority Date: 06/15/2006
  • Status: Active Grant
First Claim
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1. keep away barrier and the anti-system that drops for one kind, it is characterized in that it comprises:

  • One body;

    At least one driving wheel is arranged on this body, is used in to support and move this body;

    The displacement transducer of at least one sonic sensor form, it is arranged on this body, and in order to emission and reception signal, the path of its emission and reception signal is to become a special angle with the set plane of this body, and said special angle is greater than 0 degree and less than 90 degree;

    One tumbler is arranged on this body, in order to drive this displacement transducer in the fan-shaped range of certain angle or the scanning detecting of wholecircle revolution;

    One control module is arranged on this body, receives and handle the signal of this displacement transducer, to judge direct of travel whether barrier or height fall is arranged, and exports a signal and turn to drive this body;

    Wherein, the reflection signal of sensor normal condition as preset working signal Sw, and will be worked as front-reflection signal SR by control module and compared with work signal Sw, SR<

    Sw then is judged as the place ahead has barrier, carries out and keeps away the barrier algorithm;

    SR>

    Sw then is judged as the place ahead has recess, carries out the anti-algorithm that drops.

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