KR100589771B1 - method for controlling cleaning process of drum type washing machine having auxiliary water tank - Google Patents

Abstract

Disclosed is a washing method of a drum washing machine having an auxiliary water tank which allows additional laundry to be added during a washing stroke. In the washing method of the drum washing machine to temporarily store the water in the storage tank in the auxiliary water tank when additional laundry is selected during the washing process, and then re-water the washing water in the auxiliary water tank to the water tank through the wash water circulation pipe when the additional laundry is added. A method comprising: a) pausing a driving motor that is rotating when selecting an additional load of laundry; b) opening the auxiliary drain valve after the step a) to store the wash water in the reservoir as an auxiliary water tank through the auxiliary drain pipe; c) detecting the water level of the auxiliary water tank and if the water level reaches a predetermined value, closing the auxiliary drain valve and opening a door to perform additional laundry and door closing; And d) operating a circulation pump to select an operation after the execution of step c), and refueling the washing water stored in the auxiliary water tank into the water reservoir through the washing water circulation pipe, and then performing a washing stroke.

Drum washing machine, laundry, addition, commitment

Description

Method for controlling cleaning process of drum type washing machine having auxiliary water tank

1 is a perspective view showing the appearance of a general drum washing machine.

2 is a diagram illustrating an internal configuration of FIG. 1.

Figure 3 is a block diagram showing the configuration of a drum washing machine to which the present invention is applied.

Figure 4 is a flow chart showing the washing process of the drum washing machine according to the present invention.

<Explanation of symbols for the main parts of the drawings>

11: reservoir 12: drive motor

20: key operation unit 21: laundry addition button

23: operation button 30: door

71: auxiliary drain pipe 73: auxiliary drain valve

75: auxiliary water tank 77: water level detection switch

79: circulation pump 81: washing water circulation pipe

The present invention relates to a washing method of a drum washing machine having an auxiliary water tank, and more particularly, to a washing method of a drum washing machine having an auxiliary water tank that allows additional laundry to be added during a washing process.

In general, a washing machine is a machine that sequentially performs washing, rinsing, dehydration, and drying operations of laundry according to a set algorithm. The washing machine is classified into a pulsator type, a stirring type, a drum type, and the like according to a washing method.

Here, the drum washing machine having the advantage of less damage to the laundry is completed, as shown in Figures 1 and 2, in order to put the laundry in the lower portion of the control panel 20 mounted on the upper front of the drum washing machine main body 10 A circular door 30 is opened and closed.

In addition, the washing tank 14 is fixed to the inside of the main body 10, and the washing tank 14 is rotatable to receive the driving force of the driving motor 12 mounted on the rear side of the reservoir 11 through the belt 13. It is installed.

In addition, a plurality of lifters 15 are fixed to the inner circumferential surface of the washing tub 14 so that the laundry is caught so that the laundry rises to some extent during the rotation of the washing tub 14.

In addition, one side of the pump 18 having a first drain hose 16 for draining the wash water in the washing tank 14 at the bottom of the reservoir 11 is mounted to the base plate 17 at the bottom of the main body 10. The second drain hose 19 for discharging the washing water out of the main body 10 is connected to the upper portion of the pump 18.

In addition, the control panel 20 typically includes a key operation unit for inputting various operation commands) and a display unit for displaying an operation state, and the key operation unit includes an operation key, a reservation key, a course selection key, and an operation / time schedule. Guard and door opening key.

Referring to the operation of the drum washing machine according to the prior art having such a configuration as follows.

First, open the door 20 in front of the main body 10 of the drum washing machine, put the laundry into the washing tank 14, and then press the operation / pause key of the control panel 20 to start washing the drive motor 12 The washing is carried out by rotating the washing tub 14 by the driving of.

Such a drum washing machine has a structural characteristic that the door 30 is located under the front of the main body 10, so that the washing water may be discharged to the outside when the user opens the door 30 during the washing process.

Therefore, the drum washing machine according to the prior art is programmed such that the door 30 is not opened when the washing machine is in progress even though the user wants to open the door 30 by turning the door opening key ON.

Subsequently, the door 30 is opened when a predetermined time elapses after the washing is performed and the entire stroke is completed.

The drum washing machine according to the related art has a problem in that a small amount of laundry to be added separately is to be separately added because laundry is not programmed because the door is programmed so that the door is not opened while the laundry is in progress.

Therefore, the present invention has been made in order to solve the problems of the prior art, the present invention is to drain the washing water in the auxiliary tank during the washing stroke temporarily open the door by adding additional laundry, thereby improving the operation efficiency of the drum washing machine It is an object of the present invention to provide a washing method of a drum washing machine having an auxiliary water tank which can be improved.
It is also an object of the present invention to provide a washing method of a drum washing machine having an auxiliary water tank for suppressing the movement of more wash water to the auxiliary water tank by allowing the water level of the auxiliary water tank to be sensed.
In addition, the present invention, the wash water drained when the laundry is added is temporarily stored in the auxiliary water tank by the auxiliary drain pipe and the drain valve, and after the washing operation is completed in a separate first drain hose, second drain hose and pump By allowing the laundry to be discharged to the outside of the washing machine, the flow path of the washing water purified through the auxiliary water tank and the flow path of the washing water drained to the outside of the washing machine are separated, and circulation pumps and pumps are installed in the respective flow paths. It is an object of the present invention to provide a washing method of a drum washing machine to prevent malfunction and breakage.

In order to achieve the above object, the technical problem of the present invention,
During a washing stroke, a) temporarily stopping the rotating drive motor when selecting to add additional laundry, and b) opening the auxiliary drain valve after performing step a) to transfer the wash water in the reservoir to the auxiliary water tank through the auxiliary drain pipe. C) storing the additional drainage and closing the door by closing the auxiliary drain valve and opening the door, and d) operating the circulation pump when selecting the operation after performing the step c). Re-feeding the wash water stored in the tank into the water storage tank through the wash water circulation pipe, and then proceeding with the washing process. Temporarily storing the predetermined amount of water in the water storage tank in the auxiliary water tank, and additionally adding laundry to the auxiliary water. In the washing method of the drum washing machine for refluxing the washing water of the tank to the water tank through the washing water circulation pipe;
Step b) is to be stored as an auxiliary water tank through an auxiliary drain pipe installed in the reservoir;
Step c) detects the water level of the auxiliary water tank by the water level detection switch installed in the auxiliary water tank, and when the water level reaches the set value, closes the auxiliary drain valve and opens a door to allow additional laundry to be added. To;

When the washing operation is terminated after the step d) is completed, the washing machine is discharged to the outside of the washing machine by the first drain hob, the second drain hose and a separate pump installed in the water reservoir of the drum washing machine having an auxiliary water tank By providing a method of washing.

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According to the present invention, when additional laundry is added during the washing stroke, the laundry is temporarily drained into the auxiliary tank and then the door is opened to add the laundry during the washing stroke, thereby additionally washing the laundry to be added separately. It can be prevented to increase the operating efficiency of the drum washing machine.

Hereinafter, a preferred embodiment of a door control method of a drum washing machine according to the present invention will be described in detail with reference to the accompanying drawings.

Figure 3 is a view showing the configuration of a drum washing machine having an auxiliary water tank to which the present invention is applied. In the drum washing machine having the auxiliary water tank according to the present invention, the washing water in the water storage tank 11 is controlled by the control unit 85 when the laundry addition is selected due to the laundry addition button 21 during the washing stroke. And water supplied to the auxiliary water tank 75 through the open auxiliary water supply valve 73 to lower the amount of wash water in the water storage tank 11 to a predetermined value or less, and then open the door 30 to further input laundry. .

That is, auxiliary water for temporarily storing the washing water of the reservoir 11 by temporarily opening the driving motor 12 and the driving motor 12 which are temporarily stopped according to the selection of the laundry addition button 21. Water level detection for switching the water level in the auxiliary water tank 75 is switched when the auxiliary drain valve 73 for supplying the tank 75 and the amount of wash water of the auxiliary water tank 75 reaches a predetermined value Switch 77 is included.

In addition, in the drum washing machine applied to the present invention, when the door 30 is opened and additional laundry is added, the washing water of the auxiliary water tank 75 is stored in the water tank through a washing water circulation pipe when an operation button is input. 11) further includes a circulation pump 79 for resupplying water, and further including a control unit 85 for controlling each component to further input laundry during the washing stroke.

In the drum washing machine according to the present invention having such a structure, the main body 10 front

The door 30 is opened and the operation button 23 of the key operation unit 20 into which laundry is put is turned on to perform washing by driving the driving motor 12.

If the user turns on the operation / pause key (not shown) of the key operation unit 20 to open the door 30 for the purpose of adding laundry, etc. during the washing stroke, the operation of the drum washing machine is temporarily Is stopped.

Subsequently, when the user selects the add laundry button 23 of the key manipulation unit 20, the auxiliary drain valve 73 is opened by the control of the control unit 85 so that the washing water in the reservoir 11 is the auxiliary drain pipe 71. Water is supplied to the auxiliary water tank (75).

When the washing water in the auxiliary water tank 75 has reached the predetermined value by the water level detection switch 77 after a predetermined time has elapsed, the control unit 85 is controlled by a switching signal of the water level detection switch 77. Opens the door 30.

When the user adds laundry through the opened door 30, closes the door 30 and selects the operation button 23, the circulation pump 79 is operated by the control of the controller.

The wash water in the auxiliary water tank 75 is re-supplied to the water storage tank 11 through the wash water circulation pipe 81 by the circulation pump 79.

Therefore, by this process, the drum washing machine according to the present invention temporarily drains the wash water of the water storage tank 11 to the auxiliary water tank 75, and then adds laundry to continuously perform the remaining stroke to complete the overall washing stroke. .

Figure 4 is a flow chart showing the washing process of the drum washing machine having an auxiliary water tank according to the present invention, with reference to this will be described for the additional process of loading laundry during the washing stroke.

First, the first laundry is supplied to the washing tank, the washing water and the detergent container or directly supplied by the user is put into the water tank, and the washing tank is rotated forward and backward to perform the washing stroke (step 101).

It is checked whether the add laundry button is selected by the user during the washing process (step 102), and if so, the driving motor currently rotating forward and reverse is paused (step 103). Thereafter, the control unit opens the auxiliary drain valve 73 to store the wash water in the reservoir 11 as the auxiliary water tank 75 through the auxiliary drain pipe 71 (step 105).

During the execution of the step 105, the water level of the auxiliary water tank 75 is detected through the water level detection switch 77 (step 106), and the detected switching signal is supplied to the control unit, and the control unit It is checked whether a predetermined value has been reached (step 107), and when the water level of the auxiliary water tank 75 reaches a predetermined value, the door 30 is opened after closing the auxiliary drain valve 73 (step) 109). After the laundry is additionally added through the door 30 opened through the step 109 (step 111), the door 30 is closed (step 113).

When the user inputs an operation button after the addition of the laundry is completed through the sequential execution of the steps 111 and 113, the circulation pump 79 is operated so that the wash water stored in the auxiliary water tank circulates the wash water. It is refilled into the reservoir through the pipe (step 115). Thereafter, the remaining strokes are continuously performed to complete the overall washing stroke (step 117).

As described above, the washing method of the drum washing machine having an auxiliary water tank according to the present invention, when the washing additional input is selected during the washing stroke, after draining the wash water of the water reservoir being washed into the auxiliary tank to open the laundry By adding additional laundry during the stroke, it is possible to prevent the inconvenience of having to separately wash the laundry to be added, thereby increasing the operating efficiency of the drum washing machine.
In addition, the washing method of the drum washing machine having an auxiliary water tank according to the present invention, since the amount of wash water moved from the water tank is sensed by the water level detection switch installed in the auxiliary water tank, washing water more than necessary for the opening of the door is supplemented. Since it is prevented from being moved to the water tank, there is an advantage of reducing the time and cost of additional laundry operations.
In addition, the present invention is provided with a first drain hose, a second drain hose and a pump for discharging the wash water to the outside of the washing machine after the washing operation is completed, the purification and drainage of the wash water is made by the circulation pump and the pump, respectively Therefore, it is possible to prevent overloading of one pump, thereby preventing malfunction and breakage of the washing machine, thereby extending the life of the product.

The present invention is not limited to the above embodiments, and various changes can be made by any person having ordinary skill in the art without departing from the gist of the present invention as claimed in the following claims. It will be said that there is a technical spirit of the present invention to the extent.

Claims (1)

During a washing stroke, a) temporarily stopping the rotating drive motor when selecting to add additional laundry, and b) opening the auxiliary drain valve after performing step a) to transfer the wash water in the reservoir to the auxiliary water tank through the auxiliary drain pipe. C) storing the additional drainage and closing the door by closing the auxiliary drain valve and opening the door, and d) operating the circulation pump when selecting the operation after performing the step c). Re-feeding the wash water stored in the tank into the water storage tank through the wash water circulation pipe, and then proceeding with the washing process. Temporarily storing the predetermined amount of water in the water storage tank in the auxiliary water tank, and additionally adding laundry to the auxiliary water. In the washing method of the drum washing machine for refluxing the washing water of the tank to the water tank through the washing water circulation pipe; Step b) is to be stored as an auxiliary water tank through an auxiliary drain pipe installed in the reservoir; Step c) detects the water level of the auxiliary water tank by the water level detection switch installed in the auxiliary water tank, and when the water level reaches the set value, closes the auxiliary drain valve and opens a door to allow additional laundry to be added. To; When the washing operation is terminated after the step d) is completed, the washing machine is discharged to the outside of the washing machine by the first drain hob, the second drain hose and a separate pump installed in the water reservoir of the drum washing machine having an auxiliary water tank How to wash.

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