Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

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Sensice ice detectors Dr Ulf Elman, President Sensice 2009

Transcript of Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Page 1: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Sensice ice detectors

Dr Ulf Elman, President

Sensice 2009

Page 2: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

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.

Traffic accidents in Sweden 1995-1999:

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• 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

Page 4: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

General properties

Uses infrared spectroscopy

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IR emission IR reception B IR reception A

Page 5: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

General properties

Principles of spectroscopy

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• 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.

Applications

Use with RWS

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Page 7: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Applications

Icing alert at building entrances

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Page 8: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Applications

Ice detection at airports

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Page 9: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Applications

Ice sheet or icicle buildup at sensitive spots

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Page 10: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

General properties

Large thickness interval due to two wavelength detection

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0.05mm – 3 cm

Page 11: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

General properties

Differentiates between six states:

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2. Wet

1. Dry

3. Clear ice

4. Snow

5. Sleet

6. Wet clear ice

Page 12: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Mechanical properties

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• 182mm x 154mm x 82mm

• 3.1 kg

Page 13: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Optical properties

Detection range

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• Recommended range 3-15 m

• Use at distances exceeding 25 m impractical

Page 14: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Optical properties

Angular dependence of detection range

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Page 15: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Optical properties

Detection range dependent on surface properties

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Page 16: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Optical propertiesDetects over extended area

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• Beam divergence 12°

Page 17: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Optical properties

Lamp exchange port

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Page 18: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Electrical properties

Power supply

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• 2.1A

• 12V DC

Page 19: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Electrical properties

Communication interface

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• 19200 baud, one stop bit and no parity

• RS232

• New measurement results every 125 ms

Page 20: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Electrical properties

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• Hardware reset

• Power on LED

Page 21: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Electrical properties

Ports not intended for customer use

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• Software download

• Calibration

Page 22: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Resistance to environmental influences

Precipitation immunity

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• Rain shield

Page 23: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Resistance to environmental influences

Dew and frost

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• 22W heating

Page 24: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Resistance to environmental influences

Temperature range -40°C to +60°

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Page 25: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Sensice’s superior detectors

•More advantageous price/performance ratio

Sensice 2009

• Significantly reduced maintenance cost

Smarter design gives better detectors

Page 26: Sensice ice detectors Dr Ulf Elman, President Sensice 2009.

Thank you

Sensice 2009

Further information:

www.sensice.com

Inquiries:

[email protected]