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Household applicance and method for operating household appliance

A technology for household appliances and collectors, which is applied in the directions of household appliances, botanical equipment and methods, and household stoves, etc., can solve the problems of laborious and error-prone users.

Pending Publication Date: 2022-02-01
BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] However, relying on the household appliance user to input the water hardness level is laborious and error prone for the user

Method used

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  • Household applicance and method for operating household appliance
  • Household applicance and method for operating household appliance
  • Household applicance and method for operating household appliance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0057] "Up", "Down", "Top", "Front", "Bottom", "Floor", "Horizontal", "Vertical", "Depth", "Width", "Height" refer to is the position and orientation of the appliance in its intended position of use relative to an observer located in front of and towards the appliance.

[0058] figure 1 A domestic appliance 1 configured as a steam oven is shown very schematically. This particular example of a domestic appliance 1 is used to illustrate the working principle for detecting limescale on at least one component of the domestic appliance 1 . However, in other examples, the household appliance 1 may be configured as any household device comprising at least one component which is supplied with water during operation of the household appliance 1 such that the component comes into contact with water during operation. Non-limiting examples of such household appliances 1 may include coffee machines, washing machines, dishwashers, home growers, and the like.

[0059] exist figure 1 A do...

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PUM

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Abstract

The invention relates to a household appliance (1) with at least one component (3) which is supplied with water during operation of the household appliance (1). The household appliance (1) comprises a detection device (7) configured to detect a presence of limescale on at least one surface (6) of the at least one component (3). The detection device (7) comprises a first electrode and a second electrode, a measuring unit (11) configured to measure a first electrical quantity of the electrodes (8) at at least one frequency of an alternating second electrical quantity applied to the electrodes (8), and an evaluation unit (12) configured to determine an impedance of the electrodes (8) based on the measured first electrical quantity and configured to deduce the presence of limescale based on the determined impedance. The invention further relates to a method for operating such a household appliance (1).

Description

technical field [0001] The invention relates to a domestic appliance having at least one component to which water is supplied during operation of the domestic appliance. The invention also relates to a method for operating such a household appliance. Background technique [0002] There are various household appliances that use water in their operation. For example, in a household appliance configured as a steam oven, water is heated to generate steam or steam, which is then introduced into an oven chamber of the steam oven. In another household appliance configured eg as a coffee machine, water is heated for preparing coffee, while in other household appliances, eg a washing machine or dishwasher, water is heated for washing purposes. Heating water in such household appliances or household appliances often leads to the formation of lime or scale on the surfaces of parts that come into contact with the water during operation of the household appliance. [0003] However, th...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01V3/00
CPCG01V3/00F24C15/327A21B3/04A47J31/60D06F34/22A01G31/00A47L15/0057A47L15/0049A47L2401/30D06F39/081D06F33/47D06F34/32D06F39/40
Inventor M·博拉斯P·L·孔派斯塞拉诺M·佩雷斯尼古拉斯L·罗霍埃斯特万
Owner BSH BOSCH & SIEMENS HAUSGERAETE GMBH
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