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Method for operating a washing machine with electrochemical sensors and washing machine

An electrochemical and sensor technology, applied to the control device of washing machines, other washing machines, household appliances, etc., can solve the problems of sensor signal distortion, sensor signal difference, and failure to be analyzed and processed

Active Publication Date: 2020-03-03
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0017] The signal of the sensor can be distorted and, when the aqueous liquid to be measured is not sufficiently smooth and / or there is too much foam in the aqueous liquid, the signal of the sensor can only be poorly or generally not recognized. analysis processing
Especially when the impedance sensor is used as an electrochemical sensor, this can lead to no analytically manageable results

Method used

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  • Method for operating a washing machine with electrochemical sensors and washing machine

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Embodiment Construction

[0078]The washing machine 1 of the drawing has a lye container 2 in which a drum 3 is rotatably mounted and can be driven by a drive motor 5 . In order to achieve improved ergonomics, the axis of rotation 19 of the drum 3 is oriented upwardly and frontally at a small angle (eg 13°) from the horizontal, so that the user of the washing machine 1 can reach and see inside the drum 3 more easily. In addition, this arrangement also achieves a counter-use of the washing lye in cooperation with the laundry carrier 14 on the inner surface of the drum shell and the suction device 17 for the aqueous liquid containing detergent, for example the washing lye 7 . 7 Intensification of soaked laundry 4. In the embodiment shown here, the laundry carrier 14 is asymmetrical, so that for the two possible directions of rotation of the drum 3 the lye container 2 is The aqueous liquid 7 in moves with different ranges of action (Ausmaβ). This influence is taken into account in the control unit 8 so ...

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Abstract

The invention relates to a method for operating a washing machine (1) with a container (2), a drum (3) for receiving laundry (4), a drum (3) drive motor (5), a container (2) for An electrochemical sensor (9) and a control device (8) for measuring electrochemical signals related to the components of the aqueous liquid (7) in the container (2), (a) providing an aqueous liquid (7) containing detergent in the container (2); (b ) rotating the drum (3) according to a preset motion program; (c) ending the rotating motion of the drum (3) and making the aqueous liquid (7) containing detergent stable until the aqueous liquid (7) containing detergent is in a preset steady state; ( d) receiving and analyzing the electrochemical signal from the electrochemical sensor (9) by using the correlation between the electrochemical signal of the control device (8) and the detergent concentration, and measuring step (a) aqueous liquid (7) detergent concentration c ten . The invention relates to a washing machine (1) suitable for carrying out said method.

Description

technical field [0001] The invention relates to a method for operating a washing machine with an electrochemical sensor and a washing machine suitable therefor. The invention relates in particular to a method for operating a washing machine having a container, a drum for receiving laundry, a drive motor for the drum, a water-based liquid in the container for determining and in the container ( Flüssigkeit) electrochemical sensors for composition-dependent electrochemical signals, and control devices, and to a washing machine suitable for carrying out the method. Background technique [0002] In washing machines, the laundry is usually treated in a washing phase for cleaning with a washing lye containing detergent. Furthermore, after a rinsing phase with water in which washing lye and / or contaminants are removed in or on the laundry, the laundry is usually treated with a softener. Here, for reasons of cost and environmental protection, it makes sense to use optimal amounts ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F39/00D06F33/30D06F35/00D06F33/32D06F34/22
CPCD06F34/22D06F2105/48D06F2103/04D06F2103/46D06F2103/20D06F2105/58D06F2105/60D06F2103/18D06F33/32D06F2101/06D06F2103/24D06F2103/06D06F2101/04
Inventor D·奥里希A·比朔夫M·穆尼科H·绍布
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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