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Clothes weighing method of roller washing machine

A technology for drum washing machines and washing machines, which is applied to the control devices of washing machines, other washing machines, washing devices, etc., which can solve the problems of large laundry weight errors, motor failure to track the set speed, and neglect, etc., to improve weighing accuracy, The effect of reducing power consumption and saving water resources

Active Publication Date: 2017-05-31
SICHUAN CHANGHONG ELECTRIC CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

For the same weight of clothes, due to different states of clothes and uneven positions of clothes during the weighing process, the actual speed of the motor does not track the set speed very well. This method ignores the unbalance of clothes in different states (that is, eccentricity ), so that the final measured clothing weight error is large

Method used

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  • Clothes weighing method of roller washing machine
  • Clothes weighing method of roller washing machine
  • Clothes weighing method of roller washing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] Such as Figure 1 ~ Figure 3 As shown, a method for weighing clothes in a drum washing machine. The drum washing machine includes a main control board, a driver, and a motor electrically connected to the driver. The clothes weighing method is as follows:

[0023] A. When the driver of the drum washing machine receives the clothes detection command sent by the main control board of the drum washing machine, set the motor speed w 1 , the driver of the drum washing machine controls the motor after t 1 From rest with acceleration a 1 Accelerate to speed w 1 ;

[0024] B. The driver of the drum washing machine controls the motor to rotate at a speed of w 1 Stable running time (t 2 -t 1 ), during this process, the main control board of the drum washing machine obtains the peak phase current of the motor and the eccentric value of the motor speed P imbalanc∈ , motor speed eccentric value P imbalanc∈ Accelerate the motor speed of the drum washing machine from 0 to the s...

Embodiment 1

[0033] Such as Figure 1 ~ Figure 3 As shown, a method for weighing clothes in a drum washing machine. The drum washing machine includes a main control board, a driver, and a motor electrically connected to the driver. The clothes weighing method is as follows:

[0034] The first step is to put clothes into this washing machine; when the driver of the drum washing machine receives the clothes detection command sent by the main control board of the drum washing machine, set the motor speed w 1 , the driver of the drum washing machine controls the motor after t 1 From rest with acceleration a 1 Accelerate to speed w 1 ;

[0035] In the second step, the driver of the drum washing machine controls the motor to rotate at a speed of w 1 Stable running time (t 2 -t 1 ), during this process, the main control board of the drum washing machine obtains the peak phase current of the motor and the eccentric value of the motor speed P imbalanc∈ , motor speed eccentric value P imbala...

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Abstract

The invention discloses a clothes weighing method of a roller washing machine. The roller washing machine comprises a main control board, a driver and a motor which is electrically connected with the driver; clothes are added into the washing machine, and step A to step D are repeated in sequence to obtain a weighing returned value P<weight> of the added clothes; the main control board of the roller washing machine is used for calculating the clothes weight Pclothes weight of the added clothes according to a formula of Pclothes weight=A*Pweight+B in step G. According to the clothes weighing method disclosed by the invention, the weight of the clothes can be accurately obtained through control and an algorithm by utilizing the clothes weighing method under the condition that the weight of the clothes is unknown, so that a washing water level and a rinsing water level are accurately set in washing and rinsing processes of the washing machine, and the aim of washing the clothes by utilizing a proper water quantity is realized; water resources are saved and the consumption of electric energy is reduced; the weighing precision is remarkably improved, and the more accurate clothes weight can be obtained.

Description

technical field [0001] The invention relates to the technical field of washing machine control, in particular to a laundry weighing method for a drum washing machine. Background technique [0002] The whole laundry process of the washing machine includes: weighing, washing, rinsing and dehydration. The washing water level, rinsing water level and washing time settings are different for different weights of clothes. Therefore, it is necessary to carry out a weighing test first to determine the weight of the clothes in the washing machine, in order to save water resources, reduce power consumption, and maximize the efficiency of the washing machine. [0003] The method adopted in the patent "Drum Washing Machine and Its Load Weighing Method (CN201510733865.3)" is to control the motor of the drum washing machine to rotate at the first rotation speed and the second rotation speed respectively, and detect the rotation speed of the motor at the first rotation speed, the second rot...

Claims

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Application Information

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IPC IPC(8): D06F33/02D06F39/00
CPCD06F33/00D06F34/18D06F2202/10D06F2204/065Y02B40/00
Inventor 任艳华陈跃刘启武唐婷婷
Owner SICHUAN CHANGHONG ELECTRIC CO LTD
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