Intelligent drying control method for washing machine

Abstract

The invention discloses an intelligent drying control method for a washing machine, and relates to the intelligent control technology for the washing machine. With adoption of the method, the problems in the present washing machine that the rotating speed of a motor is not matched with clothes during drying, the drying time is long and the loss of a motor is great are solved. According to the method, the drying process is divided into multiple stages by a control system; during one stage, a motor is controlled to operate at constant rotating speed or constant electric current; when the motor operates to achieve preset conditions of the stage, the control system improves the rotating speed or the electric current of the motor through quantitative control, so the motor comes to the next stage and operates; when drying completion conditions preset by the control system are met, the drying process is completed. The electric current or the rotating speed of the motor is adjusted in a staged quantitative manner, so that the rotating speed of the motor can be prevented from being overhigh after the drying operation starts; the motor can be adjusted timely when the drying degree of the clothes achieves the limit, so unnecessary operation time can be reduced, overhigh drying rotating speed can be avoided, drying time and motor loss can be reduced, electric consumption is saved.

Description

technical field [0001] The invention relates to a washing machine dehydration technology, in particular to a control method for intelligently adjusting the motor speed and dehydration time according to the torque of the washing machine motor. Background technique [0002] The dehydration method of the washing machine utilizes the centrifugal force generated when the drum rotates at high speed to separate and throw out the water from the clothes. During the dehydration process of the washing machine, the material and amount of clothes dehydrated each time are often different. In order to ensure that the clothes of various materials and different amounts of clothes have a better dehydration effect, the control chip of the washing machine needs to be installed before the washing machine leaves the factory. The dehydration speed and dehydration time are fixed by uploading the control program, and the dehydration speed and dehydration time are obtained through experiments, which ...

AI Technical Summary

Problems solved by technology

During the dehydration process of the washing machine, the material and amount of clothes dehydrated each time are often different. In order to ensure that the clothes of various materials and different amounts of clothes have a better dehydration effect, the control chip of the washing machine needs to be installed before the washing machine leaves the factory. The dehydration speed and dehydration time are fixed by uploading the control program, and the dehydration speed and dehydration time are obtained through experiments, which can make the dehydration of the most difficult clothing material and the maximum amount of clothing to achieve a qualified dehydration effect, so in the user In the actual use of the washing machine, due to the fact that there are few clothes or the clothes are easy to dehydrate, etc., it often leads to waste of electricity, unnecessary loss of the motor, or too long dehydration time

Moreover, if the motor rotates too fast at the beginning of dehydration, the drainage speed of the washing machine cannot keep up with the speed of water leaving the clothes, resulting in too much water in the drum and hindering the entire dehydration process.

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