An affordable, low-power, low-profile water contamination detection and/or filtration device that can be installed directly onto a home faucet or other water line. The contamination detection part uses photometric and other sensors to collect data pertaining to levels of Total Organic Carbon, Total
An affordable, low-power, low-profile water contamination detection and/or filtration device that can be installed directly onto a home faucet or other water line. The contamination detection part uses photometric and other sensors to collect data pertaining to levels of Total Organic Carbon, Total Dissolved Solids, heavy metals, turbidity, harmful bacteria, and other contaminants. The device uses efficient circuit design so that parts of the sensor, LED, and calculation circuit are only activated when the faucet is turned on and water fills a measurement chamber. The filtration part of the device can be switched on and off using simple twist interface, such that filtered water can flow directly into the contamination detection part for testing.
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1. A device for installation onto a tap comprising: a filter unit operable to filter water when the tap is operated;a chamber located below the filter unit, wherein the chamber receives a flow of fluid from the tap when the tap is operated;an ultraviolet LED that when the chamber is substantially fu
1. A device for installation onto a tap comprising: a filter unit operable to filter water when the tap is operated;a chamber located below the filter unit, wherein the chamber receives a flow of fluid from the tap when the tap is operated;an ultraviolet LED that when the chamber is substantially full at least one photometric receiver measures the amount of ultraviolet light absorbed by fluid within the chamber; anda circuit configured to convert ultraviolet light absorbance from the photometric receiver to generate a signal for transmitting contaminant data; wherein the filter unit comprises a housing that is rotatable around the axis of the tap;a compartment, situated in-line between the tap and the exit, enclosed by the housing, and containing a filter; anda switch rotatable around the axis to switch between covering and uncovering an opening located above and leading to the compartment, and coupled to the housing, wherein when the housing is rotated the switch is rotated, diverting water to the compartment, or to the chamber. 2. The device of claim 1 wherein the chamber receives flow from the bottom of the chamber to fill the chamber. 3. The device of claim 1 further comprising two metal conductors, situated on opposite sides of the top of the chamber, such that when the chamber is substantially full a capacitive charge between the two metal conductors activates the LED. 4. An apparatus operable to receive data from a device installed on a tap, the data relating to the tap water, wherein the device comprises: a filter unit operable to filter water when the tap is operated;a chamber located below the filter unit, wherein the chamber receives a flow of fluid from the tap when the tap is operated;an ultraviolet LED that when the chamber is substantially full is activated to emit light to the chamber such that at least one photometric receiver measures the amount of ultraviolet light absorbed by fluid within the chamber; anda circuit configured to convert ultraviolet light absorbance from the photometric receiver to generate the data relating to the tap water; wherein the filter unit comprises: a housing that is rotatable around the axis of the tap;a compartment, situated in-line between the tap and the exit, enclosed by the housing, and containing a filter; anda switch rotatable around the axis to switch between covering and uncovering an opening located above and leading to the compartment, and coupled to the housing, wherein when the housing is rotated the switch is rotated, diverting water to the compartment, or to the chamber. 5. The device of claim 4 wherein the chamber receives flow from the bottom of the chamber to fill the chamber. 6. The device of claim 4 further comprising two metal conductors, situated on opposite sides of the top of the chamber, such that when the chamber is substantially full a capacitive charge between the two metal conductors activates the LED. 7. A device for installation onto a tap comprising: a housing that is rotatable around the axis of the tap;an exit for dispensing fluid, the exit of the device situated in-line with the tap;a compartment, situated in-line between the tap and the exit, enclosed by the housing, and containing a filter; anda switch rotatable around the axis to switch between covering and uncovering an opening located above and leading to the compartment, and coupled to the housing, such that when the housing is rotated the switch is rotated, diverting water to the compartment, or to the exit. 8. The device of claim 7, further comprising: a chamber located between the compartment and the exit, wherein the chamber receives water diverted from the compartment;an ultraviolet LED that, when the chamber is substantially full, is activated to emit light to the chamber such that at least one photometric receiver measures the amount of ultraviolet light absorbed by fluid within the chamber; anda circuit configured to convert ultraviolet light absorbance from the photometric receiver and to generate a signal for transmitting contaminant data.
Hunter Brian D. ; Aldred Jeffrey K. ; Koski Kraig J. ; Burns Ralph, Water filtration device with a water fountain outlet and a faucet outlet with flow viewing apparatus.
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