Washing machine drainage control method

A control method and washing machine technology, applied in the control device of washing machine, washing device, textile and paper making, etc., can solve the problems of filter clogging, affecting the effect of lint collection, weak water flow rate of the filter, etc. Cleaning effect, effect of increasing discharge speed

Active Publication Date: 2015-11-25
QINGDAO HAIER WASHING MASCH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The filter screen in this kind of washing machine structure has a significant effect, but because the water flow rate of the reverse flushing filter screen is weak when the wave wheel washing machine is drained, it is difficult to rinse the filter screen completely
After a long time, it is easy to cause the blockage of the filter, which will affect the collection effect of lint

Method used

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  • Washing machine drainage control method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] This preferred embodiment provides a washing machine drainage control method. The method is to control the rotation speed of the inner tub and / or the pulsator during the drainage process, and control the flow rate of the washing liquid by controlling the rotation speed of the inner tub and / or the pulsator to backwash and clean the filter screen. Specifically, during the drainage process, the rotation speed of the inner tub and / or the pulsator is set according to the water level in the washing machine, so that the inner tub and / or the pulsator rotate at different speeds at different water levels.

[0038] Such as Figure 4 The method shown includes the following specific steps:

[0039] Step 1. Set two calibration values ​​for the water level in the washing machine, assigning i=1.

[0040] Step 2. The computer board program controls to open the drain valve and start draining.

[0041] Step 3. Determine whether the current water level value is lower than or equal to th...

Embodiment 2

[0051] This preferred embodiment provides a washing machine drainage control method, which is basically the same as the first preferred embodiment.

[0052] The difference is that: when the water level is lower than or equal to the set value Hs, the drain valve is closed, and the inner tub and / or the pulsator rotates at the set speed Vs; after turning Ts for a time, the drain valve is reopened. The water level value can be specifically set according to needs. Temporarily closing the drain valve allows the existing washing liquid in the bucket to flush the filter screen for a longer period of time, and the cleaning effect on the filter screen is better.

[0053] When i=1, the inner barrel and / or the pulsator rotate forward, when i=2, the inner barrel and / or the pulsator reverse; or, when i=1, the inner barrel and / or the pulsator reverse, when i=2, the inner barrel and / or the pulsator is running forward. The forward and reverse rotation of the inner barrel and / or the pulsator ...

Embodiment 3

[0055] This preferred embodiment provides a washing machine drainage control method. Such as Figure 5 The method shown includes the following specific steps:

[0056] Step 1. Set N calibration values ​​for the water level in the washing machine, where N is a positive integer greater than or equal to 1; 1≤i≤N, assign i=1;

[0057] Step 2. Open the drain valve and start draining water;

[0058] Step 3. Determine whether the current water level value is lower than or equal to the set water level value Hi, and if so, go to step 4; otherwise, continue to detect the current water level value and judge until the current water level value is lower than or equal to the set water level value Hi and go to step 4 ;

[0059] Step 4, controlling the rotation speed of the inner barrel and / or the pulsator to be Vi;

[0060] Step 5, determine whether i is equal to N, if so, go to step 6; otherwise, i=i+1, go to step 3;

[0061] Step 6, end.

[0062] The value of N can be set according t...

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Abstract

The invention provides a washing machine drainage control method and belongs to the field of washing device control. The invention aims to solve the problem of poor automatic cleaning effect of filter screens of the conventional washing machines. The washing machine drainage control method is characterized in that the rotating speed of an inner barrel and/or an impeller is controlled in a drainage process and the flow speed of washing liquor is controlled by controlling the rotating speed of the inner barrel and/or the impeller to clean a filter screen through back flushing. The washing machine drainage control method improves the filter screen cleaning effect; the rotation of the inner barrel and/or the impeller increases the discharge speed of the washing liquor, so that the filter screen cleaning effect can also be improved. When the water level is relatively low, the inner barrel and/or the impeller rotate(s) at a relatively high speed and wave-like high speed rotating water flow containing a large number of bubbles is generated in the inner barrel; the high speed wave-like bubble water flow can wash thread residues attached to the filter screen away, so that the filter screen is cleaned automatically.

Description

technical field [0001] The invention relates to a washing machine drainage control method. Background technique [0002] The washing machine generates or separates lint, debris, small impurities, etc. during the washing process. These substances are easy to stick to the clothes and affect the cleaning effect of the clothes. [0003] In order to solve this problem, a water hole is opened on the bottom side of the inner barrel of the existing washing machine, and a filter screen is installed at the bottom of the inner barrel. The lint is filtered through the filter, the lint is collected, and the lint is automatically removed. [0004] The effect of the filter screen in this washing machine structure is remarkable, but because the water flow rate of the reverse flushing filter screen is weak when the pulsator washing machine is drained, it is difficult to thoroughly rinse the filter screen. After a long time, it is easy to cause the blockage of the filter screen and affect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/02
Inventor 许升黄振兴李海涛
Owner QINGDAO HAIER WASHING MASCH CO LTD
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