Self-cleaning method for filter assembly of washing machine

Abstract

Provided is a self-cleaning method for a filter assembly of a washing machine, the method comprising: receiving a user operation instruction for starting a self-cleaning process; executing the self-cleaning process, so as to clean the filter assembly of the washing machine, and before the self-cleaning process is completed, only receiving user operation instructions for turning off the washing machine, pausing the self-cleaning process and unpausing the self-cleaning process, and prohibiting receipt of or ignoring the user operation instructions other than user operation instructions for turning off the washing machine, pausing the self-cleaning process and unpausing the self-cleaning process. According to the present invention, the filter assembly of the washing machine is thoroughly cleaned, prolonging the service life of the filter assembly in the washing machine and ensuring that the filter assembly always has a high filtration flux.

Description

TECHNICAL FIELD[0001]The present invention relates to a washing machine, in particular to a self-cleaning method for a filter assembly of a washing machine.BACKGROUND OF THE INVENTION[0002]The laundry process of the existing conventional washing machines usually comprises water intake, washing-spin-drying-drainage, repeated rinsing-spin-drying-drainage, etc., wherein the washing and each rinsing need to consume a lot of water. The washed or rinsed water is drained to the outside of the washing machine through a drainage pipe. The water consumption of the entire laundry process is relatively large, and the water resource is greatly wasted.[0003]In order to achieve the purpose of water saving, a filter assembly can be used to filter the water and / or rinsing water of the washing machine for recycling. However, with the increase in the number of times of washing in the washing machine, separated substances and some other impurities are gradually accumulated on the surface of a filter me...

AI Technical Summary

Benefits of technology

[0004]An object of the present invention is to overcome at least one defect of the prior art washing machines and to provide a self-cleaning method for a filter assembly of a washing machine to thoroughly clean the filter assembly of the washing machine so as to prolong the service life of the filter assembly, particularly the ultrafiltration membrane assembly and ensure its normal flux.

[0020]According to the present invention, during cleaning of the filter assembly of the washing machine, the self-cleaning process of the washing machine prohibits receipt of or ignores user operation instructions other than user operation instructions for turning off the washing machine, pausing the self-cleaning process and unpausing the self-cleaning process, so that the filter assembly of the washing machine is thoroughly cleaned, prolonging the service life of the filter assembly in the washing machine and ensuring that the filter assembly always has a high filtration flux.

[0021]In addition, the present invention has carried out a special cleaning of the filter assembly to further prolong the service life of the filter assembly in the washing machine of the present invention and to ensure that the filter assembly has a high filtration flux.

Problems solved by technology

The water consumption of the entire laundry process is relatively large, and the water resource is greatly wasted.

However, with the increase in the number of times of washing in the washing machine, separated substances and some other impurities are gradually accumulated on the surface of a filter membrane, resulting in the blockage and pollution problems of the filter membrane, so that the filtering effect thereof will be greatly affected.

As some of the current washing machines with an automatic cleaning function on the filter assembly, however, the filter assembly in the existing washing machines is not thoroughly cleaned, and the cleaning agent or the like is easily remained on the filter assembly.

Therefore, how to thoroughly clean the filter assembly is a problem to be solved in the field of household washing machines.

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