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Method for improving the control of water-conducting household appliances and household appliances suitable therefor
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A technology for household appliances and control devices, which is applied to the control devices of household appliances, household dryers, washing machines, etc., can solve problems such as high safety risks, and achieve the effects of improving signal-to-noise ratio, reducing health risks, and saving processing agents.
Active Publication Date: 2021-05-04
BOSCH SIEMENS HAUSGERATE GMBH
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[0007] On the other hand, household appliances that operate with volatile chemicals such as propane gas present a relatively high safety risk and in these cases faults or leaks need to be detected early
Method used
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[0129]figure 1 A household appliance 1 suitable for use in the method of performing the method according to the invention is a laundry machine. Here, the washing machine 1 has a housing 12, wherein the base liquid container 2 is disposed in the housing, wherein the drum 3 for receiving the laundry 22 can rotate around the axis perpendicular to the drawing plane. Supported. The highest reachable water level 25 in the alkali container is schematically indicated by horizontal dashed lines.
[0130]In the embodiment shown here, in the bottom of the alkali container 2, the base container discharge conduit 17 is connected to the discharge opening 26, the alkali-liquid container discharge the pipe through the pump 14 suction of the pump 14. side. Further, the discharge conduit 13 is coupled to the pressure side of the pump 14. Here, the pump 14 is operably linked to the drive motor 20 adjusted by the rotational speed, and the drive motor may be configured to have a MOSFET member and a power d...
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Abstract
The invention relates to a method for operating a water-conducting household appliance having a drum (3), a control device (18) and a spectrometer (21), the drum receiving objects (22, 34) to be treated, The drum has at least one circumference with at least one radiation channel (30, 35), the spectrometer comprises at least one radiation source (5, 27), at least one radiation detector (7, 28) and a microcomputer (6), wherein , the microcomputer (6) and the control device (18) are configured to exchange information with each other, so that data can be exchanged between the spectrometer (21) and the control device (18), it is characterized in that the method comprises the following steps: (a) The drum (3) is rotated at a predetermined rotational speed Dz, wherein the frequency f based on the number of revolution cycles of the radiation channels (30, 35) per unit time is defined as the ratio of the rotational speed Dz to the radiation channels (30, 35) The product of the quantities; (b) continuously emitted by at least one radiation source (5, 27) of the spectrometer (21) in the wavelength range λ 1 ‑λ 2 the radiation (31) in passes through at least one radiation channel (30, 35) of the rotating drum (3), so that a periodically interrupted radiation (31) with frequency f is produced in the drum (3), and the objects (22, 34) in the rotating drum (3) are loaded with radiation (31) periodically interrupted at a frequency f, and at least one radiation detector (7, 28) is arranged such that the objects (22, 28) 34) The reflected radiation (32) is recorded directly as a measurement signal without passing through the radiation channel (30, 35) and thus not being interrupted by the radiation channel (30, 35) at frequency f, and is generated by the control device (18) only in relation to A periodic function with a period length 1 / f - in particular a sinusoidal or rectangular function - associated with the household appliance (1) as a reference signal; (c) the measurement signal and the reference signal are transmitted to the microcomputer (6), with the aid of the stored in The analysis routine in the microcomputer (6) analyzes the measurement signal and compares it with the reference signal, and transmits the analyzed measurement signal to the control device (18); (d) via the control device (18) An operating program is selected and / or adapted with respect to the evaluated measurement signals, wherein steps (b) to (d) are carried out one or more times. Furthermore, the invention relates to a domestic appliance which is suitable for carrying out the method.
Description
Technical field[0001]The present invention relates to a method of operating a household appliance for operating a water, and the home appliance has a drum for receiving the item to be processed, the drum having at least one circumference with at least one radiation channel; control Device; spectrometer, the spectrometer comprising at least one radiation source, at least one radiation detector, and microcomputer, wherein the microcomputer and control means for exchanging information from each other, so that data can be exchanged between the spectrometer and the control device. The invention also relates to a household appliance suitable for use in a water absorbing of the method.Background technique[0002]Typically, a detergent and a cleaner are used to clean the items in the household appliances of the water. These detergents and cleaners typically have complex ingredients, as in addition to the washing active substance (so-called surfactant), there is usually an enzyme, bleach, wate...
Claims
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