Device and method for determining the dirt load in a rinsing or detergent solution
First Claim
1. A device for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance, said device comprising:
- a sensor configured to execute a near-infrared spectroscopy for acquiring spectral measured values of dirt components in the rinsing or detergent solution in the water-conducting household appliance,a determination unit configured to determine the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the dirt components in the rinsing or detergent solution, andan adjustment unit configured to adjust a wash parameter of a current wash program in response to the dirt load determined,wherein the determination unit is configured to compare output data of the sensor with a predefined calibration model, and the calibration model containing a plurality of different items of spectral information with associated organic compounds, andwherein the determination unit provides at least one among a qualitative and a quantitative determination of individual organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance.
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Accused Products
Abstract
A device for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance includes a sensor configured to execute a near-infrared spectroscopy for acquiring a spectral measured value of a dirt component in the rinsing or detergent solution in the water-conducting household appliance. A determination unit determines the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured value of the dirt component in the rinsing or detergent solution, and an adjustment unit adjusts a wash parameter of a current wash program in response to the determined dirt load.
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Citations
26 Claims
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1. A device for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance, said device comprising:
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a sensor configured to execute a near-infrared spectroscopy for acquiring spectral measured values of dirt components in the rinsing or detergent solution in the water-conducting household appliance, a determination unit configured to determine the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the dirt components in the rinsing or detergent solution, and an adjustment unit configured to adjust a wash parameter of a current wash program in response to the dirt load determined, wherein the determination unit is configured to compare output data of the sensor with a predefined calibration model, and the calibration model containing a plurality of different items of spectral information with associated organic compounds, and wherein the determination unit provides at least one among a qualitative and a quantitative determination of individual organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. A water-conducting household appliance, comprising a device for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance, said device comprising a sensor configured to execute a near-infrared spectroscopy for acquiring spectral measured values of dirt components in the rinsing or detergent solution in the water-conducting household appliance, a determination unit configured to determine the dirt load of the rinsing or detergent solution in response to the acquired spectral measured values of the dirt components in the rinsing or detergent solution, and an adjustment unit configured to adjust a wash parameter of a current wash program in response to the determined dirt load,
wherein the determination unit is configured to compare output data of the sensor with a predefined calibration model, and the calibration model containing a plurality of different items of spectral information with associated organic compounds, and wherein the determination unit provides at least one among a qualitative and a quantitative determination of individual organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance.
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14. A method for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance, said method comprising:
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acquiring spectral measured values of dirt components in the rinsing or detergent solution using near-infrared spectroscopy, and comparing the spectral measured values with a predefined calibration model, wherein the calibration model contains a plurality of different items of spectral information with associated organic compounds, determining the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the dirt components, wherein near-infrared spectroscopy provides at least one among a qualitative and a quantitative determination of individual organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance.
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15. A method for washing dishes or fabrics in a water-conducting household appliance, said method comprising:
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acquiring spectral measured values of dirt components in a rinsing or detergent solution in the water-conducting household appliance using near-infrared spectroscopy, comparing the spectral measured values with a predefined calibration model, wherein the calibration model contains a plurality of different items of spectral information with associated organic compounds, determining a dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the dirt components, wherein near-infrared spectroscopy provides a qualitative and quantitative determination of organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance, and adjusting a wash parameter of a current wash program in response to the dirt load determined.
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16. A method for washing dishes or fabrics in a water-conducting household appliance, said method comprising:
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acquiring spectral measured values of dirt components in a rinsing or detergent solution in the water-conducting household appliance using near-infrared spectroscopy, determining the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the dirt components, wherein near-infrared spectroscopy provides a qualitative and quantitative determination of organic compounds identified in the dirt components in the rinsing or detergent solution in the water-conducting household appliance, and dosing a detergent in response to the dirt load determined. - View Dependent Claims (17, 18, 19, 20, 21, 22, 23, 24, 25)
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26. A device for determining a dirt load in a rinsing or detergent solution in a water-conducting household appliance, said device comprising:
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a sensor configured to execute a near-infrared spectroscopy for acquiring spectral measured values of a plurality of different dirt components in the rinsing or detergent solution in the water-conducting household appliance, a determination unit configured to determine the dirt load of the rinsing or detergent solution on the basis of the acquired spectral measured values of the plurality of different dirt components in the rinsing or detergent solution, the plurality of different dirt components within the dirt load being organic compounds including fat, protein, and starch, and an adjustment unit configured to adjust a wash parameter of a current wash program in response to the dirt load determined.
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Specification