CN-117488507-B - Washing machine control method and device, washing machine and storage medium

CN117488507BCN 117488507 BCN117488507 BCN 117488507BCN-117488507-B

Abstract

The invention discloses a control method, a control device, a washing machine and a storage medium of the washing machine, wherein the method comprises the steps of controlling the washing machine to conduct pre-weighing detection to obtain a first load value if the motor rotation speed of the washing machine reaches a first preset rotation speed, controlling the washing machine to conduct pre-eccentric detection to obtain a first eccentric value if the motor rotation speed reaches a second preset rotation speed, and controlling the motor rotation speed to accelerate to a third preset rotation speed to conduct weighing detection to obtain a second load value if the first eccentric value is smaller than a preset eccentric threshold corresponding to the first load value, wherein the third preset rotation speed is larger than the second preset rotation speed, and the third preset rotation speed is larger than the first preset rotation speed. The invention can effectively avoid the impact displacement of the drum of the washing machine.

Inventors

YANG MING
WANG ZHONGQING
PAN GUANGHUI
CAI LIJUN

Assignees

TCL家用电器（合肥）有限公司

Dates

Publication Date: 20260512
Application Date: 20231124

Claims (8)

1. A control method of a washing machine, the method comprising: If the rotating speed of the motor of the washing machine reaches a first preset rotating speed, controlling the washing machine to perform pre-weighing detection to obtain a first load value; If the rotating speed of the motor reaches a second preset rotating speed, controlling the washing machine to perform pre-eccentric detection to obtain a first eccentric value; If the first eccentric value is smaller than the preset eccentric threshold corresponding to the first load value, controlling the motor rotating speed to accelerate to a third preset rotating speed for weighing detection to obtain a second load value, wherein the third preset rotating speed is larger than the second preset rotating speed and the third preset rotating speed is larger than the first preset rotating speed, and further comprising: Controlling the motor rotation speed to be reduced to the second preset rotation speed for eccentric detection, and obtaining a second eccentric value; If the second eccentric value is smaller than the preset eccentric threshold value corresponding to the second load value, controlling the washing machine to execute the dewatering operation; wherein, control the motor rotational speed is slowed down to the second is predetermine rotational speed and is carried out eccentric detection, obtains second eccentric value, includes: if the motor speed is reduced to the second preset speed, controlling the washing machine to perform instantaneous eccentricity detection to obtain an instantaneous eccentricity value; and if the instantaneous eccentricity value is smaller than a preset instantaneous eccentricity threshold corresponding to the second load value, controlling the motor rotating speed to maintain the second preset rotating speed to rotate for at least a preset time period, and carrying out eccentricity detection within the preset time period to obtain the second eccentricity value.
2. The method for controlling a washing machine as claimed in claim 1, wherein if the motor speed of the washing machine reaches a first preset speed, controlling the washing machine to perform pre-weighing detection to obtain a first load value, comprises: acquiring a clothes drum-attaching rotating speed related to a machine type of the washing machine, and setting the clothes drum-attaching rotating speed as the first preset rotating speed; and controlling the rotating speed of the motor to accelerate to the first preset rotating speed, and carrying out pre-weighing detection in the accelerating process to obtain the first load value.
3. The method of claim 1, wherein controlling the washing machine to perform pre-weighing detection includes: Controlling the washing machine to perform pre-weighing detection to obtain an initial load value; acquiring a pre-weighing period of the washing machine for pre-weighing detection; Determining a weighing correction value according to the maintaining time length of the pre-weighing time period and a preset correction relation; and determining the first load value according to the weighing correction value and the initial load value.
4. The control method of a washing machine as claimed in claim 3, wherein the determining the weighing correction value according to the maintaining time period of the pre-weighing period and a preset correction relationship includes: acquiring an in-drum image of the washing machine within the pre-weighing period; Determining a drum sticking state of target clothes in the washing machine according to the in-drum image and the standard drum sticking image; And determining the weighing correction value according to the maintenance time length, the sticking barrel state and a preset correction relation.
5. A method of controlling a washing machine as claimed in claim 3, wherein the washing machine includes an ultrasonic detection device disposed adjacent to a rotation axis of the washing machine, the acquiring of the in-tub image of the washing machine during the pre-weighing period includes: Controlling the ultrasonic detection device to emit an acoustic wave signal into a cylinder of the washing machine when the pre-weighing detection is carried out; Determining a vertical projection image of the target garment based on the return time of the acoustic wave signal; the vertical projection image is taken as the in-cylinder image.
6. A washing machine control device, characterized in that the washing machine control device comprises: The pre-weighing module is used for controlling the washing machine to perform pre-weighing detection if the rotating speed of the motor of the washing machine reaches a first preset rotating speed so as to obtain a first load value; the pre-eccentric module is used for controlling the washing machine to perform pre-eccentric detection to obtain a first eccentric value if the rotating speed of the motor reaches a second preset rotating speed; The acceleration module is used for controlling the motor rotating speed to accelerate to a third preset rotating speed for weighing detection if the first eccentric value is smaller than a preset eccentric threshold corresponding to the first load value, so as to obtain a second load value, wherein the third preset rotating speed is larger than the second preset rotating speed, and the third preset rotating speed is larger than the first preset rotating speed; The spin-drying module is used for controlling the motor rotation speed to be reduced to the second preset rotation speed to conduct eccentric detection to obtain a second eccentric value, controlling the washing machine to conduct spin-drying operation if the second eccentric value is smaller than a preset eccentric threshold corresponding to the second load value, controlling the washing machine to conduct instantaneous eccentric detection to obtain an instantaneous eccentric value if the motor rotation speed is reduced to the second preset rotation speed, and controlling the motor rotation speed to maintain the second preset rotation speed to rotate for at least a preset time length and conduct eccentric detection within the preset time length to obtain the second eccentric value if the instantaneous eccentric value is smaller than a preset instantaneous eccentric threshold corresponding to the second load value.
7. A washing machine comprising a processor and a memory, the memory storing a computer program which, when executed by the processor, causes the processor to perform the steps of the washing machine control method of any one of claims 1 to 5.
8. A computer readable storage medium, characterized in that the computer readable storage medium comprises a computer program for causing an electronic device to execute the steps of the washing machine control method of any one of claims 1-5 when the computer program is run on the electronic device.

Description

Washing machine control method and device, washing machine and storage medium Technical Field The invention relates to the technical field of washing machine control, in particular to a washing machine control method and device, a washing machine and a storage medium. Background OOB detection (eccentric detection) and weighing detection are important links before the washing machine dewaters, and can measure the load eccentricity in the drum of the washing machine, so that the phenomenon that the drum system swings greatly and the drum is impacted and shifted due to dehydration under the condition of large load eccentricity is avoided. However, the weighing detection required before OOB detection (eccentricity detection) is actually required to be performed when the drum rotates at a high speed, and the drum system swings greatly during the weighing detection, resulting in the drum striking displacement. Disclosure of Invention The embodiment of the invention provides a control method and device of a washing machine, the washing machine and a storage medium, and aims to avoid large swing of a barrel system and impact displacement of a roller during weighing detection. In a first aspect, an embodiment of the present invention provides a control method of a washing machine, the method including: If the rotating speed of the motor of the washing machine reaches a first preset rotating speed, controlling the washing machine to perform pre-weighing detection to obtain a first load value; If the rotating speed of the motor reaches a second preset rotating speed, controlling the washing machine to perform pre-eccentric detection to obtain a first eccentric value; and if the first eccentric value is smaller than a preset eccentric threshold corresponding to the first load value, controlling the motor rotating speed to accelerate to a third preset rotating speed for weighing detection to obtain a second load value, wherein the third preset rotating speed is larger than the second preset rotating speed, and the third preset rotating speed is larger than the first preset rotating speed. Optionally, after the step of controlling the rotation speed of the motor to accelerate to a third preset rotation speed to perform weighing detection to obtain the second load value, the method further includes: Controlling the motor rotation speed to be reduced to the second preset rotation speed for eccentric detection, and obtaining a second eccentric value; and if the second eccentric value is smaller than the preset eccentric threshold value corresponding to the second load value, controlling the washing machine to execute the dewatering operation. Optionally, controlling the motor rotation speed to be reduced to the second preset rotation speed for eccentric detection to obtain a second eccentric value includes: if the motor speed is reduced to the second preset speed, controlling the washing machine to perform instantaneous eccentricity detection to obtain an instantaneous eccentricity value; and if the instantaneous eccentricity value is smaller than a preset instantaneous eccentricity threshold corresponding to the second load value, controlling the motor rotating speed to maintain the second preset rotating speed to rotate for at least a preset time period, and carrying out eccentricity detection within the preset time period to obtain the second eccentricity value. Optionally, if the rotational speed of the motor of the washing machine reaches a first preset rotational speed, controlling the washing machine to perform pre-weighing detection to obtain a first load value, including: acquiring a clothes drum-attaching rotating speed related to a machine type of the washing machine, and setting the clothes drum-attaching rotating speed as the first preset rotating speed; And controlling the rotating speed of the motor to accelerate from the rotating speed of the clothes drum to the first preset rotating speed, and carrying out pre-weighing detection in the accelerating process to obtain the first load value. Optionally, controlling the washing machine to perform pre-weighing detection, and obtaining the first load value includes: Controlling the washing machine to perform pre-weighing detection to obtain an initial load value; acquiring a pre-weighing period of the washing machine for pre-weighing detection; Determining a weighing correction value according to the maintaining time length of the pre-weighing time period and a preset correction relation; and determining the first load value according to the weighing correction value and the initial load value. Optionally, the determining the weighing correction value according to the maintaining time length of the pre-weighing period and the preset correction relation includes: acquiring an in-drum image of the washing machine within the pre-weighing period; Determining a drum sticking state of target clothes in the washing machine according to the in-drum image and the standard