CN-117569052-B - Drum washing machine, dehydration control method and device of drum washing machine

CN117569052BCN 117569052 BCN117569052 BCN 117569052BCN-117569052-B

Abstract

The embodiment of the application discloses a drum washing machine, a dehydration control method and a dehydration control device of the drum washing machine, which can receive a dehydration starting instruction to control the drum washing machine to drain water, increase the speed of a drum under the condition that the drainage is finished, acquire a resistance value and motor power under the condition that the current rotating speed of the drum is larger than a first rotating speed, determine whether the drum washing machine has abnormal dehydration based on the resistance value and the motor power, reduce the speed of the drum if the drum washing machine has abnormal dehydration, control the drum washing machine to drain water, acquire a new resistance value and a new motor power, and control the dehydration process of the drum washing machine based on the new resistance value and the new motor power. The resistance value detected by the detection device and the acquired motor power are used for controlling the execution program of the drum washing machine according to the abnormal conditions of the drum washing machine, such as dehydration with water, so that the dehydration effect of the washing machine is improved, and the washing experience of a user is improved.

Inventors

PAN GUANGHUI
WANG ZHONGQING

Assignees

TCL家用电器（合肥）有限公司

Dates

Publication Date: 20260512
Application Date: 20231124

Claims (10)

1. The dehydration control method of the drum washing machine is characterized in that the drum washing machine comprises a drum and a detection device arranged on the drum; The detection device comprises two detection probes, wherein the electrodes of the two detection probes are opposite, one detection probe is arranged at the bottom of the roller, and the other detection probe is arranged on the side wall of the roller; The detection device is used for detecting the resistance value on a passage when the two detection probes and the drum washing machine form the passage, and the method comprises the following steps: Receiving a dehydration starting instruction, and controlling the drum washing machine to drain water; under the condition that the water discharge is finished, the speed of the roller is increased; under the condition that the current rotating speed of the roller is larger than the first rotating speed, a resistance value and motor power are obtained, and the resistance value is detected by a detection device of the roller washing machine; Determining whether abnormal dehydration occurs in the drum washing machine based on the resistance value and the motor power; if the drum washing machine has abnormal dehydration, the drum is decelerated, the drum washing machine is controlled to drain water, and a new resistance value and a new motor power are obtained; and controlling a dehydration process of the drum washing machine based on the new resistance value and the new motor power.
2. The method for controlling dehydration of a drum washing machine according to claim 1, comprising said determining whether abnormal dehydration of said drum washing machine occurs based on said resistance value and said motor power, comprising: if the resistance value is smaller than a preset first resistance value and the motor power is not smaller than the preset motor power, determining that first abnormal dehydration occurs in the drum washing machine; If abnormal dehydration occurs in the drum washing machine, the drum is decelerated, the drum washing machine is controlled to drain water, and a new resistance value and a new motor power are obtained, and the method comprises the following steps: According to the first abnormal dehydration, controlling the roller to stop rotating and controlling the roller washing machine to drain water; And under the condition that the water discharge is finished, acquiring a new resistance value and new motor power of the drum washing machine.
3. The method for controlling dehydration of a drum washing machine according to claim 1, comprising said determining whether abnormal dehydration of said drum washing machine occurs based on said resistance value and said motor power, comprising: if the resistance value is smaller than a preset first resistance value and the motor power is smaller than a preset motor power, determining that second abnormal dehydration occurs in the drum washing machine; If abnormal dehydration occurs in the drum washing machine, the drum is decelerated, the drum washing machine is controlled to drain water, and a new resistance value and a new motor power are obtained, and the method comprises the following steps: controlling the roller to slow down to a speed not higher than a second rotating speed according to the second abnormal dehydration, wherein the second rotating speed is smaller than the first rotating speed; controlling the drum washing machine to drain water; When draining, acquiring the current resistance of the drum washing machine, and if the current resistance is not smaller than the preset first resistance value, controlling the drum washing machine to stop draining, and accelerating the drum; And returning to the step of acquiring the resistance value and the motor power under the condition that the current rotating speed of the roller is larger than the first rotating speed.
4. The dehydration control method of a drum washing machine according to claim 1, further comprising: When the drum washing machine drains water to a preset water level, a resistance value is obtained; under the condition that the water discharge is finished, the roller is accelerated, and the method comprises the following steps: and if the acquired resistance value is not smaller than a preset second resistance value, controlling the drum washing machine to finish water drainage, and accelerating the drum.
5. The dehydration control method of a drum washing machine as claimed in claim 4, wherein after obtaining a resistance value when the drum washing machine drains to a preset water level, the method further comprises: If the acquired resistance value is smaller than a preset second resistance value, determining that third abnormal dehydration occurs in the drum washing machine; controlling the drum washing machine to feed water, controlling the drum to work at a speed not lower than a second rotating speed and controlling the drum washing machine to drain water according to the third abnormal dehydration; And when the water is drained, acquiring the current resistance of the drum washing machine, if the current resistance is not smaller than a preset third resistance value, controlling the drum washing machine to finish the water drainage, and returning to execute the step of accelerating the drum under the condition that the water drainage is finished.
6. The dehydration control method of a drum washing machine according to any one of claims 1 to 5, wherein the obtaining a resistance value and a motor power in case that the current rotation speed of the drum is greater than a first rotation speed comprises: Acquiring a resistance value and motor power under the condition that the current rotating speed of the roller is larger than a first rotating speed and smaller than a fourth rotating speed, wherein the fourth rotating speed is larger than the first rotating speed; the method further comprises the steps of: and controlling the drum washing machine to finish dehydration under the condition that the current rotating speed of the drum is not less than the fourth rotating speed.
7. The dehydration control method of a drum washing machine according to any one of claims 1 to 5, wherein said obtaining motor power comprises: acquiring the eccentric quantity of a roller; The motor power is determined based on the eccentric amount and the current rotational speed of the drum.
8. The dehydration control method of a drum washing machine as claimed in any one of claims 1 to 5, wherein the other detection probe is provided on a sidewall of a preset height range of the drum, the preset height range including a height corresponding to a water flow movement range in the drum on the drum when the target abnormal dehydration occurs.
9. A dehydration control device of a drum washing machine is characterized by comprising a drum and a detection device arranged on the drum, wherein the detection device comprises two detection probes, electrodes of the two detection probes are opposite, one detection probe is arranged at the bottom of the drum, the other detection probe is arranged on the side wall of the drum, the detection device is used for detecting resistance values on a passage when the two detection probes and the drum washing machine form the passage, and the control device comprises: the drainage module is used for receiving a dehydration starting instruction and controlling the drum washing machine to drain water; The speed increasing module is used for increasing the speed of the roller under the condition that the water discharge is finished; the first data acquisition module is used for acquiring a resistance value and motor power under the condition that the current rotating speed of the roller is larger than a first rotating speed, and the resistance value is detected by a detection device of the roller washing machine; an abnormality determining module for determining whether abnormal dehydration occurs in the drum washing machine based on the resistance value and the motor power; The second data acquisition module is used for decelerating the drum, controlling the drum washing machine to drain water and acquiring a new resistance value and new motor power if the drum washing machine has abnormal dehydration; and the dehydration module is used for controlling the dehydration process of the drum washing machine based on the new resistance value and the new motor power.
10. The dehydration control apparatus of a drum washing machine as claimed in claim 9, wherein the other sensing probe is disposed on a sidewall of a preset height range of the drum, the preset height range including a height corresponding to a water flow movement range in the drum on the drum when the target abnormal dehydration occurs.

Description

Drum washing machine, dehydration control method and device of drum washing machine Technical Field The application relates to the technical field of control of washing machines, in particular to a drum washing machine, and a dehydration control method and device of the drum washing machine. Background With the ultrathin design of the drum washing machine, more and more drum washing machines are continuously enlarged in the diameter of the inner drum, and the gap between the inner drum and the outer drum is continuously reduced, so that after the drum washing machine is dehydrated at a high speed, if the water content of clothes is too much, the water extruded from the clothes can be rotated at a high speed along with the inner drum, so that the water cannot be smoothly and rapidly discharged, and abnormal dehydration conditions such as dehydration with water are formed. The situation can cause two bad conditions that 1, if the drum washing machine dehydrates with water at high speed, the current of the motor can be greatly increased, the power consumption is increased, the loss of the motor is increased, the service life of the motor is influenced, and 2, after the dehydration is finished, the water content of clothes is too high, the dehydration effect of the washed clothes is greatly influenced, and the satisfaction degree of washing users is reduced. Disclosure of Invention The embodiment of the application provides a drum washing machine, a dehydration control method and a dehydration control device for the drum washing machine, which can improve the dehydration effect of the washing machine and the washing experience of a user. In a first aspect, an embodiment of the present application provides a drum washing machine, including a drum and a detection device disposed on the drum; The detection device comprises two detection probes, wherein the electrodes of the two detection probes are opposite, one detection probe is arranged at the bottom of the roller, and the other detection probe is arranged on the side wall of the roller; The detection device is used for detecting the resistance value on a passage when the two detection probes and the drum washing machine form the passage. In a second aspect, an embodiment of the present application provides a method for controlling dehydration of a drum washing machine, which is applied to the drum washing machine, including: Receiving a dehydration starting instruction, and controlling the drum washing machine to drain water; under the condition that the water discharge is finished, the speed of the roller is increased; under the condition that the current rotating speed of the roller is larger than the first rotating speed, a resistance value and motor power are obtained, and the resistance value is detected by a detection device of the roller washing machine; Determining whether abnormal dehydration occurs in the drum washing machine based on the resistance value and the motor power; if the drum washing machine has abnormal dehydration, the drum is decelerated, the drum washing machine is controlled to drain water, and a new resistance value and a new motor power are obtained; and controlling a dehydration process of the drum washing machine based on the new resistance value and the new motor power. In a third aspect, an embodiment of the present application further provides a dehydration control apparatus for a drum washing machine, where the dehydration control apparatus is applied to the drum washing machine, including: the drainage module is used for receiving a dehydration starting instruction and controlling the drum washing machine to drain water; The speed increasing module is used for increasing the speed of the roller under the condition that the water discharge is finished; the first data acquisition module is used for acquiring a resistance value and motor power under the condition that the current rotating speed of the roller is larger than a first rotating speed, and the resistance value is detected by a detection device of the roller washing machine; an abnormality determining module for determining whether abnormal dehydration occurs in the drum washing machine based on the resistance value and the motor power; The second data acquisition module is used for decelerating the drum, controlling the drum washing machine to drain water and acquiring a new resistance value and new motor power if the drum washing machine has abnormal dehydration; and the dehydration module is used for controlling the dehydration process of the drum washing machine based on the new resistance value and the new motor power. In a fourth aspect, an embodiment of the present application further provides a computer readable storage medium storing a plurality of instructions adapted to be loaded by a processor to perform the steps of any one of the dehydration control methods of the drum washing machine provided in the embodiment of the present application. In a fifth aspe