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Washing machine water level detection method and washing machine

A technology of water level detection and washing machine, which is applied in the control device of washing machine, washing device, textile and paper making, etc. It can solve the problems of uncertainty, increasing the overall cost of washing machine, and the inability to detect water level, so as to achieve accurate water level detection and reduce costs. Effect

Pending Publication Date: 2022-04-19
GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the main method for detecting the water level of washing machines is to measure it through water level sensors or flow meters. The introduction of third-party devices increases the overall cost of the washing machine and introduces uncertain factors. For example, once the water level sensor or flow meter fails, it will Resulting in the inability to perform water level detection

Method used

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  • Washing machine water level detection method and washing machine
  • Washing machine water level detection method and washing machine
  • Washing machine water level detection method and washing machine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] After the pre-preparation process is completed, call the data relationship provided by the pre-preparation process to drive the washing machine to fill water and load work, and judge whether to continue to enter water according to the current washing machine water level obtained in real time.

[0056] figure 1 It is a schematic diagram of the water inlet control flow of a washing machine shown in the embodiment of this application. For the water inlet control flow of a washing machine provided in the embodiment of this application, please refer to figure 1 .

[0057] A1. Get the laundry water level corresponding to the current laundry.

[0058] The laundry water level corresponding to the current laundry can be calculated according to the current laundry weight, and the laundry water level set by the user through the washing machine controller can also be obtained.

[0059] According to the weight of the current clothes, calculate the water level of the clothes corres...

Embodiment 2

[0096] Before the water inlet control process of the washing machine, a pre-preparation process is required to divide the water level of the clothes and divide the weight of the clothes into different clothes weight intervals, so as to provide data grouping and data correspondence for the water inlet control process of the washing machine.

[0097] figure 2 It is a schematic diagram of a washing machine pre-preparation flow shown in the embodiment of the present application. For a washing machine pre-preparation process provided by the embodiment of this application, please refer to figure 2 .

[0098] B1. Divide the water level of the clothes.

[0099] Make the washing machine rotate when the bucket is empty, and calculate the water level W of the clothes in the empty bucket according to the current of the washing machine motor at this time 1 ;

[0100] The washing machine is rotated when the bucket is filled with water, and the water level W of the full bucket of cloth...

Embodiment 3

[0116] Figure 4 It is a structural schematic diagram of a washing machine shown in the embodiment of this application.

[0117] see Figure 4, the embodiment of the present application provides a washing machine, which is used to implement the washing machine water level detection method described in Embodiment 1 and Embodiment 2, and the washing machine includes:

[0118] The water level obtaining unit 401 is used to obtain the water level of the clothes corresponding to the current clothes to be washed, and instruct the water injection unit to enter water through the washing machine controller;

[0119] The water injection unit 402 is used for filling the washing tub with water according to the instructions of the washing machine controller;

[0120] The current monitoring unit 403 is used to drive the washing machine motor to drive the washing tub to perform load work, and monitor the current current of the washing machine motor in real time;

[0121] The washing machin...

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Abstract

The invention relates to a washing machine water level detection method and a washing machine. The method comprises the steps that the corresponding clothes water level for washing current clothes is obtained, and water is injected into a washing barrel; a washing machine motor is driven to drive a washing barrel to carry out load work, and the current motor current is monitored in real time; acquiring the current washing machine water level in real time according to the washing barrel volume, the water level proportionality coefficient and the current motor current; and judging whether the current water level of the washing machine is greater than or equal to the water level of the clothes, if so, stopping water feeding, and if not, continuing water feeding. According to the scheme, the current washing machine motor current is used for calculating the current washing machine water level, no third-party device is introduced, accurate water level detection can be achieved under the condition that the space of the washing machine is not occupied, and the overall cost of the washing machine is reduced.

Description

technical field [0001] The present application relates to the field of washing machine water level detection, in particular to a washing machine water level detection method and a washing machine. Background technique [0002] Water level detection is a key technology for washing machine control. Only by washing different quantities and types of clothes with different water levels can better washing results be achieved. At present, the main method for detecting the water level of washing machines is to measure it through water level sensors or flow meters. The introduction of third-party devices increases the overall cost of the washing machine and introduces uncertain factors. For example, once the water level sensor or flow meter fails, it will As a result, water level detection cannot be performed. [0003] Therefore, how to detect the water level without installing a water level sensor or a flow meter is a problem that needs to be solved in the industry. Contents of t...

Claims

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Application Information

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IPC IPC(8): D06F33/34D06F103/04D06F103/18D06F103/46
CPCD06F33/34D06F2103/18D06F2103/46D06F2103/04Y02B40/00
Inventor 李华铮刘庆祥张跃栋
Owner GREE ELECTRIC APPLIANCES INC OF ZHUHAI
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