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FOG North Finder For Mining

  • Description
Product Detail



                          Fiber optic Gyro North Finder

     

    FOG North Finder For Mining.jpg


     1. Constitute

    The optical fiber is consisting of system single axis fiber gyro, three-axis MEMS inertial unit, translocation actuator, secondary power supply, gyro board, navigation computer, system interface circuit

     

    2. Functional Requirements

    the north finder is used to measure the horizontal posture of the carrier and the north.by indexing mechanism ‘s location is to get the output optical fiber Gyro and MEMS unit position , the error compensation by internal data processing unit, the initial search north calculating and gesture decoding processing, such as information

     

    3. Main Technical Index

     

    3.1 Common Requirements

    Start time(from powered on to the data output) <5seconds

     

    Find the north time(from the system starting to the precise output)=5min

     

    System weight =1.6kg

    System measurement 200mm×100mm×90mm

    Communication Interface : RS422 serial port

    Data refresh rate:1000HZ

      

    Working temperature:5?~55?;

    Storage temperature:-40?~+60?

     

    3.2 North Finding Accuracy

    Find north way Stationary base

    Find the north time:5min

    Azimuth measurement range:0°~360°

    Inclination measurement range:-30°~+30°

    Inclination measurement accuracy:=0.2°

    Azimuth measurement accuracy =2.0°

    Azimuth retention time:10min

     

    4. Power Requirement

     

    4.1 Secondary Power

     

    Voltage :direct current::12V±1v

    Power:

    static :12.0V    operating voltage<15W 

    dynamic :12.0V    operating voltage =20W 

      

    5. Stability

     

    product life cycle:MTBF>5000h?

     

    6. Environmental  Adaptation

     

     

    Meet the requirements of vibration impact environment and electromagnetic compatibility of shearer.

    Vibration max5.0g   frequency range 10Hz ~1000Hz  sweep  rate= 1 oct/min

     

    Shock :accelerate 20.0g  pulse time of duration (11±1)ms half-sine wave


    7 Transportation

    Railway highway sea and air shipping is suitable 


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Ericco International Limited

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