Sensice ice detectors Dr Ulf Elman, President Sensice 2009.
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Transcript of Sensice ice detectors Dr Ulf Elman, President Sensice 2009.
![Page 1: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/1.jpg)
Sensice ice detectors
Dr Ulf Elman, President
Sensice 2009
![Page 2: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/2.jpg)
Sensice’s superior detectors
•More advantageous price/performance ratio
Sensice 2009
• Significantly reduced maintenance cost
Smart new design gives better performance
![Page 3: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/3.jpg)
Traffic accidents in Sweden 1995-1999:
Sensice 2009
• 37828 at snowy or icy road surface conditions, of these did
• 15589 occur during black ice conditions, and in addition did
• 572 accidents related to
aquaplaning occur
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General properties
Uses infrared spectroscopy
Sensice 2009
IR emission IR reception B IR reception A
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General properties
Principles of spectroscopy
Sensice 2009
• Ice transparent to visible light
• Ice is reflective (metal like) in the MIR range
• Ice is distinctly ”coloured” in the NIR range
![Page 6: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/6.jpg)
Applications
Use with RWS
Sensice 2009
![Page 7: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/7.jpg)
Applications
Icing alert at building entrances
Sensice 2009
![Page 8: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/8.jpg)
Applications
Ice detection at airports
Sensice 2009
![Page 9: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/9.jpg)
Applications
Ice sheet or icicle buildup at sensitive spots
Sensice 2009
![Page 10: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/10.jpg)
General properties
Large thickness interval due to two wavelength detection
Sensice 2009
0.05mm – 3 cm
![Page 11: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/11.jpg)
General properties
Differentiates between six states:
Sensice 2009
2. Wet
1. Dry
3. Clear ice
4. Snow
5. Sleet
6. Wet clear ice
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Mechanical properties
Sensice 2009
• 182mm x 154mm x 82mm
• 3.1 kg
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Optical properties
Detection range
Sensice 2009
• Recommended range 3-15 m
• Use at distances exceeding 25 m impractical
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Optical properties
Angular dependence of detection range
Sensice 2009
![Page 15: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/15.jpg)
Optical properties
Detection range dependent on surface properties
Sensice 2009
![Page 16: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.](https://reader038.fdocuments.us/reader038/viewer/2022110205/56649cbb5503460f94982e5e/html5/thumbnails/16.jpg)
Optical propertiesDetects over extended area
Sensice 2009
• Beam divergence 12°
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Optical properties
Lamp exchange port
Sensice 2009
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Electrical properties
Power supply
Sensice 2009
• 2.1A
• 12V DC
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Electrical properties
Communication interface
Sensice 2009
• 19200 baud, one stop bit and no parity
• RS232
• New measurement results every 125 ms
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Electrical properties
Sensice 2009
• Hardware reset
• Power on LED
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Electrical properties
Ports not intended for customer use
Sensice 2009
• Software download
• Calibration
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Resistance to environmental influences
Precipitation immunity
Sensice 2009
• Rain shield
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Resistance to environmental influences
Dew and frost
Sensice 2009
• 22W heating
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Resistance to environmental influences
Temperature range -40°C to +60°
Sensice 2009
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Sensice’s superior detectors
•More advantageous price/performance ratio
Sensice 2009
• Significantly reduced maintenance cost
Smarter design gives better detectors