KR101184456B1 - Drum washing machine and control method for the same - Google Patents

Abstract

The present invention relates to a drum washing machine and a control method thereof, and more specifically, to a drum washing machine and a control method thereof, which can reduce the internal space and the installation cost of the drum washing machine by using a hybrid device for generating hot water and sterilizing water. It is about.

Drum washing machine according to the present invention is a tub in which washing water is built, a hybrid electric device for generating sterilizing water and hot water using the wash water, a pump device for pumping the wash water stored in the tub to the hybrid electric device, the user And a control unit configured to apply a first current to the hybrid electric apparatus when the sterilizing water generation mode is selected, and apply a second current to the hybrid electric apparatus when the user selects the hot water generation mode.

Description

Drum washing machine and control method for the same

1 is a side cross-sectional view showing a drum washing machine according to an embodiment of the present invention.

2 is a view showing a hybrid electric apparatus inside a drum washing machine according to an embodiment of the present invention.

3 is a flowchart illustrating a control method of a drum washing machine according to an embodiment of the present invention.

Description of the Related Art [0002]

11 housing 12 tub

14 door 15 water supply passage

16: detergent supply unit 17: drainage passage

18: Drum 19: drive motor

20: pump device 30: hybrid electric device

32: power supply 33: negative electrode

34: positive electrode 35: cathode chamber

36: anode chamber 38: electrolytic cell

40: control unit

The present invention relates to a drum washing machine and a control method thereof, and more specifically, to a drum washing machine and a control method thereof, which can reduce the internal space and the installation cost of the drum washing machine by using a hybrid device for generating hot water and sterilizing water. It is about.

In general, the drum washing machine washes by using friction between the drum and the laundry rotated by the driving force of the motor while detergent and washing water and laundry are put in the tub and drum, and there is little damage to the laundry, and the laundry does not get tangled with each other. It has a sucking and rubbing effect.

The laundry of the drum washing machine is washed with a chemical detergent that is harmful to the human body, and when the chemical detergent is drained into waste water, it may cause various chemical contamination with harmful chemicals.

To solve this problem, silver ions generated by the sterilizing water supply unit were introduced together with the washing water when the washing water was introduced, but the sterilizing water is not circulated during the washing process. There are inadequate disadvantages.

In addition, since the predetermined concentration must be maintained in the process of making the sterilizing water by electrolysis in the sterilizing water supply device, the burden of material cost is large, there is a problem that the treatment time for effective sterilization is delayed when sterilizing only with silver ions.

In addition, the conventional drum washing machine has a disadvantage in that a heater for boiling water and an electrolysis device are separately installed, which takes up a lot of installation space and costs materials.

The present invention has been made in order to solve the problems of the prior art as described above, the present invention by using a hybrid device for generating hot water and sterilization water generation to secure the internal space of the drum washing machine and reduce the material cost, sterilization effect To provide a drum washing machine and a control method thereof that can increase the.

In order to achieve the above object, a drum washing machine according to the present invention is a tub in which washing water is built, a hybrid electric device that generates sterilizing water and hot water by using the washing water, and wash water stored in the tub. Pump unit pumping to the device, the control unit for applying a first current to the hybrid electric device when the user selects the sterilized water generation mode, and a second current to the hybrid electric device when the user selects the hot water generation mode It includes.

The drum washing machine further includes a nozzle for injecting sterilized water or hot water generated in the hybrid electric apparatus into the drum.

In addition, the hybrid electric device includes a temperature sensor for sensing a temperature.

In order to achieve the above object, the control method of the drum washing machine according to the present invention determines whether the user selects the sterilization water generation mode, the hot water generation mode, and if the user selected the sterilization water generation mode, the hybrid electric apparatus Generates sterilized water in, and when the user selects the hot water generating mode, the hybrid electric device generates hot water.

The first current is applied to the hybrid electric device in the sterilizing water generation mode, and the second current is applied to the hybrid electric device in the hot water generation mode.

The first current is a direct current, and the direct current is a current generated at a voltage of 2 to 40 volts.

The second current is an alternating current, and the alternating current is a current generated at a voltage of 40 to 220 volts.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings.

1 is a cross-sectional view showing a schematic structure of a drum washing machine according to an embodiment of the present invention.

As shown in FIG. 1, the washing machine according to the present invention is installed to be suspended by a spring in the housing 11 and the housing 11 to form an exterior, and is installed to be supported by a damper assembly and contains wash water. The tub 12, the drum 10 is rotatably disposed in the tub 12, laundry is put into the laundry to be done, and the rear of the tub 12 is connected to the drum 18 A drive motor 19 for rotating the drum 18, a hybrid electric device 30 disposed on the tub 12 to heat the wash water in the tub 12 or to generate sterilization water, and the tub 12. The pump device 20 for circulating the wash water in a manner of pumping the wash water stored in the lower portion of the tub 12 is supplied to the hybrid electric device 30 and installed in the lower side of the tub 12, the open front of the housing 11 The door 14 is hingedly coupled.

 In addition, a lift 10a is formed on the inner wall of the drum 18 so as to protrude at a predetermined interval so that the laundry is pulled off as the drum 18 rotates.

In addition, on the tub 12 and the hybrid electric device 30, washing water flows in from the first and second water supply passages 15a and 15b by adjusting the inlet valve 13 to provide a space for rinsing and detergent. Detergent supply unit 16 is disposed. In addition, a drain passage 17 is disposed on the lower surface of the tub 12 to discharge the washing water in the tub 12 to the outside by adjusting the drain valve 19.

2 is a view showing a hybrid electric apparatus of a drum washing machine according to an embodiment of the present invention.

As shown in FIG. 2, the hybrid electric apparatus 30 according to the present invention includes an electrolytic cell 38 in which washing water introduced through the pump device 20 is embedded, and a power supply unit supplying power to the electrolytic cell 38 ( 32 and a control unit 40 for controlling the power supply unit 32.

  The electrolyzer 38 is formed in a sealed structure, and is separated by an ion permeable membrane 37, and an anode chamber 36 in which a positive electrode 34 is inserted is formed at one side thereof, and a cathode in which a negative electrode 33 is inserted at another side thereof. The yarn 35 is formed. A second circulation passage 23b for supplying hot water or sterilized water formed by electrolysis into the tub 12 is connected to one surface of the cathode chamber 35, and one surface of the cathode chamber 36 is connected to one surface of the cathode chamber 36. The first circulation passage 23a receiving the wash water stored in the lower portion is connected. At this time, the end of the second circulation passage (23b) is provided with a nozzle (23c) to evenly spray the hot water and sterilized water formed by the hybrid electric device 30 into the tub (12). The nozzle 23c may be inserted into the drum 18 through the first insertion hole 12a formed above the tub 12 and the second insertion hole 10b formed above the drum 12.

The power supply unit 32 is electrically connected to the positive electrode 34 and the negative electrode 33 to supply the first current or the second current to the positive electrode 34 and the negative electrode 33 under the control of the controller 40. In this case, it is preferable that the first current provided by the power supply unit 32 is a DC current having a predetermined value, and the second current is an AC current having a predetermined value. Here, the first and second currents according to the present invention are not determined but may be changed according to circumstances.

The controller 40 controls the power supply unit 32 to execute the selected mode when one of the sterilizing water generation mode and the hot water generation mode is selected by the user.

In detail, when the user selects the sterilizing water generation mode, the controller 40 applies a predetermined first current to each of the negative electrode 33 and the positive electrode 34. At this time, the electrolyzed water inside the electrolytic cell 38 is a washing process in progress, that is, the wash water stored in the lower portion of the drum 18 is introduced into the hybrid electric device 30 using the pump device 20, Detergent is dissolved. The electrolyzed water is intended to increase the sterilization effect obtained by the experiment, and can increase the sterilization effect than to generate electrolytic water using only existing water. Here, the magnitude of the predetermined first current corresponds to the magnitude of the current generated when the voltage 2 to 40 V is applied to the negative electrode 33 and the positive electrode 34.

On the other hand, when the user selects the hot water generation mode, the control unit 40 applies a second current to each of the negative electrode 33 and the positive electrode 34. At this time, the heating rate of the water may be adjusted while varying the second current. Here, the magnitude of the second current corresponds to the magnitude of current generated when a voltage of 40 to 220 V is applied to the negative electrode 33 and the positive electrode 34.

3 is a flowchart illustrating a control method of a drum washing machine according to the present invention.

First, the user inputs the operation mode of the hybrid electric apparatus (S11). Here, the operation mode of the hybrid electric apparatus includes a sterilizing water generation mode and a hot water generation mode.

Next, the controller 40 determines whether the sterilizing water generation mode is selected by the user (S12).

 If the sterilization water generation mode is selected, the first current is applied to the power supply unit 32 of the hybrid electric apparatus 30 under the control of the control unit 40 (S13). Here, the first current is a direct current having a predetermined value, and the magnitude of the first current corresponds to the magnitude of current generated at a voltage of 2 to 40V.

When the first current is applied, electrolysis occurs in the hybrid electric device to generate sterilized water.

The generated sterilizing water flows into the tub 12 through the nozzle 23c. (S15)

Next, when the sterilization water is introduced under the control of the controller 40, the washing administration is performed.

If the sterilization water generation mode is not selected by the user, the controller 40 determines whether the hot water generation mode is selected.

 When the hot water generation mode is selected, the second current is applied to the power supply unit 32 under the control of the control unit 40 (S22). Here, the second current is an alternating current having a predetermined value, The magnitude corresponds to the magnitude of the current generated at a voltage of 40-220V.

When the second current is applied, the washing water is heated by the hybrid electric device to generate hot water (S23).

The generated hot water flows into the tub 12 through the nozzle 23c and undergoes a washing stroke. (S15, S16)

Such a hybrid electric device 30 is equipped with a temperature sensor (not shown), and when the temperature of the hybrid electric device 30 is greater than or equal to the reference value, the electric current of the power supply unit 32 may be blocked to cut off the heat supply of the heater. If the temperature of the wash water is less than the reference value current is applied to the power supply (32).

On the other hand, if the hot water generation mode is also not selected by the user, displays an error message to the user to enter the operation mode again.

As described in detail above, the drum washing machine and its control method according to the present invention includes a hybrid electric device capable of generating hot water and generating sterilizing water at the same time, and simultaneously installing the hot water generating device and the sterilizing water generating device to install the inside of the drum washing machine. In addition to freeing up space, manufacturing costs can be reduced.

In addition, the drum washing machine according to the present invention can further increase the effect of sterilizing water by using the washing water containing the detergent as an electrolytic cell.

Claims (9)

Tub with washing water; A hybrid electric device that generates sterilized water and hot water using the wash water; A pump device for pumping the wash water stored in the tub to the hybrid electric device; And a controller configured to apply a first current to the hybrid electric apparatus when the user selects the sterilizing water generation mode, and apply a second current to the hybrid electric apparatus when the user selects the hot water generation mode. The method of claim 1, The drum washing machine further comprises a nozzle for injecting sterilized water or hot water generated in the hybrid electric apparatus into the drum. The method of claim 1, The hybrid electric machine includes a drum washing machine comprising a temperature sensor for sensing the temperature. Determine whether the user selected the sterilizing water generation mode or the hot water generation mode; The control method of the drum washing machine to generate sterilized water in the hybrid electric device if the user selected the sterilizing water generation mode, and to generate hot water in the hybrid electric device if the user selected the sterilization water generation mode. The method of claim 4, wherein The control method of the drum washing machine to apply a first current to the hybrid electric device in the sterilization water generation mode, and to apply a second current to the hybrid electric device in the hot water generation mode. The method of claim 4, wherein And the first current is a direct current. The method of claim 6, The direct current is a control method of a drum washing machine is a current generated at a voltage of 2 ~ 40V. The method of claim 4, wherein And the second current is an alternating current. 9. The method of claim 8, The alternating current is a control method of a drum washing machine which is a current generated at a voltage of 40 ~ 220V.

Images