Sensor including a photocatalyst
First Claim
Patent Images
1. A water quality test device, the device comprising:
- a sensor adapted for testing water quality and having a sensor body adapted for emersion in water and at least partially transparent to UV light and/or visible light;
a protective layer located on an outer surface of the sensor body and at least partially transparent to UV light and/or visible light; and
a photocatalyst located on an outer surface of the protective layer so as to be associated with the sensor.
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Abstract
Devices and methods for degrading contaminants that may foul a sensor. A photocatalyst associated with the sensor is capable of interacting with a light source to prevent contamination of the sensor and/or to facilitate decontamination of the sensor by contaminants such as, but not limited to, organic compounds, volatile organic compounds (VOCs), organometallic compounds, soot, organic matter, bacteria, algae, eggs of aquatic organisms, planktonic larvae, and the like.
9 Citations
20 Claims
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1. A water quality test device, the device comprising:
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a sensor adapted for testing water quality and having a sensor body adapted for emersion in water and at least partially transparent to UV light and/or visible light; a protective layer located on an outer surface of the sensor body and at least partially transparent to UV light and/or visible light; and a photocatalyst located on an outer surface of the protective layer so as to be associated with the sensor. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A water quality test device, the device comprising:
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a sensor adapted for testing water quality and having a sensor body adapted for emersion in water and at least partially transparent to UV light and/or visible light; a protective layer located on an outer surface of the sensor body and at least partially transparent to UV light and/or visible light; a photocatalyst located on an outer surface of the protective layer so as to be associated with the sensor; and a light source located within the sensor and enclosed by the sensor body and oriented to emit a wavelength of light that activates the photocatalyst from within the sensor body to the photocatalyst outside of the sensor body. - View Dependent Claims (12, 13, 14, 15, 16)
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17. A method for water quality testing, the method comprising:
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providing a sensor adapted for testing water quality, the sensor comprising; a sensor body adapted for emersion in water and at least partially transparent to UV light and/or visible light; a protective layer located on an outer surface of the sensor body and at least partially transparent to UV light and/or visible light; and a photocatalyst located on an outer surface of the protective layer so as to be associated with the sensor; inserting the sensor body, protective layer, and photocatalyst into water to be tested for water quality; and activating the photocatalyst with a light source to prevent contamination of the sensor and/or to decontaminate the sensor. - View Dependent Claims (18, 19, 20)
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Specification