FOG North Finder For Mining

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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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