CONTROL METHOD FOR WALL-MOUNTED DRUM WASHING MACHINE

• US 20140068873A1
• Filed: 09/05/2013
• Published: 03/13/2014
• Est. Priority Date: 04/04/2012
• Status: Active Grant

• Current Assignee: Dongbu Daewoo Electronics Corporation (Dayou Holdings Co.,Ltd.)
• Original Assignee: Dongbu Daewoo Electronics Corporation (Dayou Holdings Co.,Ltd.)
• Inventors: LEE, Ju Dong, HWANG, Ui Kun, LEE, Jae Min, JOO, Sung Su
• Granted Patent: US 9,783,918 B2
• Time in Patent Office: Days
• US Class Current: 8/137
• CPC Class Codes: D06F 2103/18 Washing liquid level
• CPC Class Codes: D06F 2103/26 Imbalance; Noise level
• CPC Class Codes: D06F 2105/60 Audible signals
• CPC Class Codes: D06F 2105/62 Stopping or disabling machine operation
• CPC Class Codes: D06F 33/47 Responding to irregular working conditions, e.g. malfunctioning of pumps safety arrangements D06F37/42
• CPC Class Codes: D06F 34/05 for wireless communication between components, e.g. for remote monitoring or control
• CPC Class Codes: D06F 34/20 Parameters relating to constructional components, e.g. door sensors
• CPC Class Codes: D06F 37/02 Rotary receptacles, e.g. drums
• CPC Class Codes: D06F 37/267 Tubs specially adapted for mounting thereto components or devices not provided for in preceding subgroups D06F37/206 takes precedence
• CPC Class Codes: D06F 37/42 Safety arrangements, e.g. for stopping rotation of the receptacle upon opening of the casing door
• CPC Class Codes: D06F 39/14 Doors or covers; Securing means therefor
• CPC Class Codes: G01B 5/24 for measuring angles or tapers; for testing the alignment of axes
• CPC Class Codes: G01P 15/00 Measuring acceleration; Measuring deceleration; Measuring shock, i.e. sudden change of acceleration

Abstract

A control method for a wall-mounted drum washing machine, which removes foams remaining in a detergent box and a conditioner box at a final stage of a spin-drying process of the wall-mounted drum washing machine, thereby maintaining the detergent box and the conditioner box in a clean state.

Claims

1. A control method for a wall-mounted drum washing machine, comprising:

receiving, by a control unit, a rinsing level measured through a water level sensor, after a washing process is completed;

determining a final number of rinsing processes according to the rinsing level; and

performing the rinsing process according to the final number of rinsing processes.

2. The control method of claim 1, wherein the determining of the final number of rinsing processes comprises:

determining whether or not the rinsing level is equal to or more than a preset reference level; and

determining an additional number of rinsing processes when the rinsing level is equal to or more than the preset reference level.

3. The control method of claim 2, wherein the control unit determines the additional number of rinsing processes according to the corresponding relation between the rinsing level and the number of rinsing processes, which is previously stored in a memory unit.

4. The control method of claim 3, wherein the final number of rinsing processes is determined according to an initial number of rinsing processes and the additional number of rinsing processes.

5. A control method for a wall-mounted drum washing machine including a detergent box and a conditioner box which are inserted into a tub through a front panel, the control method comprising:

reducing, by a control unit, the RPM of a motor during a spin-drying process;

opening, by the control unit, a water supply valve for a preset foam removal time, when the RPM of the motor reaches a preset reference speed; and

stopping, by the control unit, the motor to complete the spin-drying process, after the foam removal time passes.

6. The control method of claim 5, wherein the control unit rotates the motor at the reference speed for the foam removal time.

7. A control method for a wall-mounted drum washing machine including a detergent box and a conditioner box which are inserted into a tub through a front panel, the control method comprising:

stopping, by a control unit, control for a motor during a spin-drying process;

determining, by the control unit, whether or not a foam removal condition is satisfied, after the control for the motor is stopped;

opening, by the control unit, a water supply valve for a preset foam removal time, when it is determined that the foam removal condition is satisfied; and

stopping, by the control unit, the motor to complete the spin-drying process, after the foam removal time passes.

8. The control method of claim 7, wherein the foam removal condition is satisfied when the RPM of the motor reaches a preset reference speed.

9. The control method of claim 8, wherein the control unit rotates the motor at the reference speed for the foam removal time.

10. The control method of claim 7, wherein the foam removal condition is satisfied when a preset time passes from the time at which the control for the motor is stopped.

11. The control method of claim 10, wherein the control unit rotates the motor at an RPM at the time at which the preset time passed, for the foam removal time.

12. A control method for a wall-mounted drum washing machine which is installed at a predetermined height from the ground such that a drain pipe is extended, the control method comprising:

maintaining, by a control unit, the RPM of a motor at a preset speed during a deceleration section of a spin-drying process;

supplying water for a preset time after the RPM of the motor is maintained at the preset speed; and

stopping the motor to end the spin-drying process, after the preset time passes.

13. The control method of claim 12, wherein the deceleration section comprises a section in which the motor is stopped after the RPM of the motor reaches a maximum speed, during the spin-drying process.