KR100517940B1 - Drum type washing machine with function of saving water and saving water cleaning method for drum type washing machine - Google Patents

Abstract

The present invention relates to a drum washing machine having a water saving washing function and a water washing washing method of a drum washing machine. Drum washing machine having a water-saving washing function according to the present invention, the cabinet to form a receiving space therein; A tub accommodated inside the cabinet; A drum rotatably disposed in the tub; A steam generator disposed in the cabinet to generate steam and provide the steam into the drum; A mode selector configured to select any one of a plurality of washing modes including a functional detergent formed by carrying a detergent component and an aromatic component on a cloth or paper, and a refresh washing mode in which washing is performed using the steam generator. Wow; And a controller for controlling the steam generator and the drum when the refresh washing mode is selected. As a result, damage to the laundry can be suppressed and the amount of water used can be reduced.

Description

Drum washing machine and washing machine washing method with water-saving washing function {DRUM TYPE WASHING MACHINE WITH FUNCTION OF SAVING WATER AND SAVING WATER CLEANING METHOD FOR DRUM TYPE WASHING MACHINE}

The present invention relates to a drum washing machine having a water-saving washing function and a water-saving washing method of a drum washing machine, and more particularly, to a drum having a water-saving washing function which can suppress damage to laundry and reduce the amount of water used. It relates to a water-saving washing method of a washing machine and a drum washing machine.

In general, a washing machine includes a tub for accommodating water therein, and a washing tank rotatably installed in the tub, in which detergent is added to the washing tank together with laundry to properly wash laundry, rinsing, and dehydration strokes. It is a device for washing.

The washing machine has a tub disposed along the up and down direction, a so-called pulsator method in which a washing tank is installed in which the rotation shaft is disposed along the up and down direction inside the tub, a tub disposed along an almost horizontal direction, and a tub rotated inside the tub. There is a so-called drum washing machine with a drum arranged possibly.

1 is a cross-sectional view of a conventional drum washing machine. As shown in the drawing, the drum washing machine includes a cabinet 111 having a substantially rectangular parallelepiped shape to form a receiving space therein, and the laundry is arranged inside the cabinet 111 so that laundry can enter and exit in a horizontal direction. A tub 121 to be accommodated and a drum 123 rotatably housed in the tub 121 are provided.

The upper and lower sides of the tub 121 are provided with a support spring 125 and a damper 127 to fully support the tub 121, and the rear of the tub 121 may rotate the drum 123. The drum driving motor 135 is coupled so that.

The upper side of the tub 121 is provided with a water supply pipe 131 to supply the washing water into the tub 121, the detergent input portion 133 is provided on one side to inject detergent. The bottom of the tub 121 is provided with a drain pipe 128 and a drain pump 129 to drain the wash water.

A plurality of dehydration holes 126 are formed through the drum 123, and a plurality of lifts 124 are provided therein to move the laundry upward.

By the way, in such a conventional drum washing machine, washing water is introduced into the tub 121 so that the laundry can sufficiently absorb the washing water, and the drum 123 is rotated to prevent the surfactant activity and the washing of the laundry. Washing and rinsing of laundry is performed by using a soft and weak material, long-wearing clothes that are not worn, or laundry that is low in contamination due to short-time wear. This is excessively made, there is a problem that not only the waste of water is generated, but also the laundry is damaged by unnecessary washing and rinsing, resulting in a shortened life of the laundry.

Accordingly, it is an object of the present invention to provide a drum washing machine and a drum washing machine having a water saving washing function capable of suppressing damage to laundry and reducing the amount of water used.

The above object, according to the present invention, the cabinet forming an accommodation space therein; A tub accommodated inside the cabinet; A drum rotatably disposed in the tub; A steam generator disposed in the cabinet to generate steam and provide the steam into the drum; A mode selector configured to select any one of a plurality of washing modes including a functional detergent formed by carrying a detergent component and an aromatic component on a cloth or paper, and a refresh washing mode in which washing is performed using the steam generator. Wow; It is achieved by a drum washing machine having a water-saving washing function comprising a control unit for controlling the steam generator and the drum when the refresh washing mode is selected.

Here, the apparatus may further include a spraying apparatus for mixing the detergent and water to spray the inside of the drum, and the plurality of washing modes may further include a water generating washing mode for washing using the steam generator and the spraying apparatus. Do.

When the controller selects the water-saving washing mode, the controller controls the drum to be rotated to perform a washing operation, controls the spraying device to spray detergent and water into the drum, and the temperature inside the drum. It is effective to control the steam generator so that steam is injected while maintaining a predetermined temperature.

The control unit preferably controls the water supply valve and the drum so that the dehydration stroke and the rinsing stroke are performed after the washing stroke is finished when the water-saving washing mode is selected.

The washing mode may further include a general washing mode in which washing, dehydration, and rinsing strokes are combined.

On the other hand, according to another field of the present invention, the cabinet and forming a receiving space therein; A tub accommodated inside the cabinet; A drum rotatably disposed in the tub; A spraying device disposed in the cabinet and spraying a mixture of water and detergent into the drum; A steam generator disposed in the cabinet to generate steam and provide the steam into the drum; Water and detergent is mixed and sprayed on the laundry contained in the drum, and while rotating the drum is formed to select any one of a plurality of washing modes including a water-saving washing mode for washing by spraying steam to the laundry for a predetermined time A mode selection unit; When the water-saving washing mode is selected, a drum washing machine having a water-saving washing function is provided, comprising a control unit for controlling the drum, the spraying device, and the steam generating device, respectively.

On the other hand, according to another field of the present invention, a laundry detergent and a functional detergent formed so as to carry a detergent component and an aromatic component on a paper or cloth, respectively; Rotating the drum; The water washing washing method of the drum washing machine comprising the step of performing a refresh washing for a predetermined time by injecting steam into the rotating drum.

Here, the step of performing the refresh washing preferably comprises controlling the heater of the steam generator so that the inside of the drum can maintain a predetermined temperature.

On the other hand, according to another field of the present invention, the water-saving washing step of putting the laundry into the drum and the detergent suitable for the laundry to the detergent receiving portion of the spray device; Rotating the drum; Spraying detergent and water into the drum to be rotated; The water washing washing method of the drum washing machine comprising the step of performing a water saving washing for a predetermined time by injecting steam into the inside of the drum to be rotated.

Here, the step of performing the water-saving washing, it is preferable to include the step of controlling the heater of the steam injector so that the temperature inside the drum maintains a predetermined temperature.

After performing the water-saving washing, it is effective to further include the step of finishing the water-saving washing by performing the dehydration and rinsing of the laundry several times.

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

Figure 2 is a cross-sectional view of the drum washing machine having a water-saving washing function according to an embodiment of the present invention, Figure 3 is an enlarged view of the main part of Figure 2, Figure 4 is a control of the drum washing machine having a water-saving washing function of FIG. 5 and 6 are each a view for explaining a water-saving washing method of the drum washing machine according to an embodiment of the present invention. As shown in these figures, the drum washing machine having the water-saving washing function includes a cabinet 11 forming an accommodating space therein, a tub 21 housed in the cabinet 11, and a tub ( A drum 27 rotatably installed in the interior of the 21, a spraying device 31 disposed in the cabinet 11 to mix water and detergent and sprayed into the drum 27, and a cabinet 11. A steam generator 41 disposed on one side of the inner tub 21 of the head) to inject steam into the drum 27, and disposed outside the cabinet 11 so as to select one of a plurality of washing modes. And a controller 51 for controlling each component based on the result of the selection of the mode selector 29.

The cabinet 11 has a rectangular parallelepiped shape in which an opening 13 is formed to allow the laundry 5 to enter and exit from one side thereof, and a door 15 is provided at one edge of the opening 13 to open and close the opening 13. It is.

Tub 21 is accommodated in the cabinet 11, the lower portion of the tub 21 is provided with a drain pipe 22 and a drain pump 24 for draining. The inner lower region of the tub 21 is provided with a temperature sensor 23 to detect the internal temperature, the rear of the tub 21, the drum driving motor 25 to rotate the drum 27 Is combined.

The drum 27 is accommodated in the tub 21 so that rotation is possible. The drum 27 is provided with a plurality of dehydration holes 30, and a plurality of lifts 28 are provided in the drum 27 to move the laundry 5 upward.

On the other hand, the upper side of the inner tub 21 of the cabinet 11 is provided with a steam generating device 41 so as to generate steam to be sprayed into the drum 27. The steam generator 41 includes a case 42 forming a receiving space so that predetermined water can be accommodated therein, a water level sensor 44 for detecting a level of water inside the case 42, and a case 42. ), The heater 46 is heated to generate water to generate steam, the water supply pipe 47 is connected to the inside of the case 42 to supply water, and the case 42 so that the generated steam can flow out And a vapor discharge passage 49 formed at one side of the side). The water supply pipe 47 is provided with a water supply valve 48 to open and close the water supply pipe 47.

On one side of the steam generator 41, the upper side of the tub 21 is provided with a spray device 31 to mix the detergent and water to spray into the drum (27). Spraying device 31 is provided with a detergent receiving portion 33 to accommodate a functional detergent suitable for the type of laundry (5) accommodated in the drum 27, one side of the detergent receiving portion (33) The nozzle unit 35 is provided to spray the mixed water and detergent into the drum 27. On one side of the spraying device 31, steam generated from the steam generator 41 may be injected into the drum 27 through the nozzle unit 35 of the spraying device 31. One end is connected.

On the other hand, the control unit 51, which is implemented in the form of a microcomputer with a built-in control program, selects any one of a plurality of washing modes, detects the temperature inside the tub 21, and supplies the water supply valve and the spraying device 31 and The mode selector 29, the temperature sensor 23, the water supply valves 39 and 48, the spraying device 31 and the steam generating device so as to control the steam generating device 41 and the drum 27. 41 and the drum drive motor 25 are electrically connected, respectively.

The mode selector 29 includes a general washing mode in which a general detergent and water are put into the tub 21 for washing, a proper rinsing and dehydration, and approximately A4 paper (210 mm x 290 mm). A functional detergent (6) formed to carry detergent and / or aroma components for washing and sterilization on a supporting member formed of paper or cloth of a size, together with the laundry (5) and rotating the drum (27) A refreshing washing mode in which steam is sprayed into the drum 27 for washing, and a powder or liquid functional detergent suitable for the type of the laundry 5 is mixed with water to be contained in the drum 27. It is configured to select one of the water-saving washing modes in which the laundry is sprayed onto the laundry 5 and the steam is sprayed into the drum 27 for a predetermined time while rotating the drum 27 to perform washing. For example, refreshing laundry may be used for laundry such as clothes stored for a long time, such as long-term storage, etc. The water-saving washing machine is suitable for washing the laundry 5 which is intended to be lightly washed, such as the wrinkles of the clothing, which is low in contamination, such as clothes worn for a relatively short time.

The water-saving washing method of the drum washing machine having the water-saving washing function having such a mechanical characteristic will be described with reference to FIGS. 5 and 6, respectively.

First, when the refresh washing is to be performed, as shown in FIG. 5, the laundry 5 and the functional detergent 6 suitable for the laundry 5 are introduced into the drum 27 (S10), and mode selection is performed. The unit 29 is operated to select the refresh laundry mode. When the refresh washing mode is selected, the control unit 51 controls the drum driving motor 25 so that the drum 27 rotates (S20), and controls the steam generator 41 to allow steam to flow into the drum 27. To be injected (S30). At this time, the controller 51 turns on / off the heater 46 of the steam generator 41 based on the temperature detected by the temperature sensor 23 to maintain the temperature inside the tub 21 at a predetermined temperature. To allow (S40). When the set refresh washing time is terminated (S50), the drum driving motor 25 is controlled to stop the rotation of the drum 27 (S60). When the drum 27 is stopped, the door 15 may be opened to separate and collect the functional detergent 6 from the laundry 5 (S70).

On the other hand, when performing water-saving washing, as shown in Figure 6, the laundry (5) is put into the drum 27, spraying a functional detergent of powder or liquid suitable for the type of the laundry (5) injected Into the detergent accommodating portion 33 of the device 31 to prepare for water-saving washing (S15). When the water-saving washing mode is selected by the mode selector 29, the controller 51 controls the drum driving motor 25 to rotate the drum 27 (S25), and controls the spray device 31 to control the drum ( 27) to be sprayed with water and detergent mixed with each other inside (S35).

When the spraying is completed, the controller 51 controls the steam generator 41 to inject steam into the drum 27 for a predetermined time (S45), during which the temperature is detected based on the temperature detection result of the temperature sensor 23. Then, the heater 46 of the steam generator 41 is turned on / off to control the temperature inside the drum 27 to be maintained at a predetermined temperature (S55). When the set water saving washing time is finished (S65), dehydration and rinsing are performed several times to finish the water saving washing (S75).

In the above-described and illustrated embodiments, the case where the general washing mode in which washing, rinsing and dehydration strokes are appropriately combined, and the refresh washing mode and the water saving washing mode are configured as an example is described. It may be provided alone or may be configured to include some of them at the same time.

As described above, according to the present invention, a washing machine is introduced by washing a steam generating device for injecting steam into the drum and a functional detergent (6) formed to carry laundry and aroma components on paper or cloth. Damage to the laundry 5 can be suppressed by including a mode selector configured to select one of a plurality of washing modes including a mode, and a control unit for controlling the drum and the steam spraying value when the refresh washing mode is selected. A drum washing machine having a water-saving washing function capable of reducing the amount of water used is provided.

In addition, according to the present invention, the spraying device for mixing and spraying water and detergent in the drum, the steam generator for spraying steam in the drum, and spraying the water and detergent in the drum and rotating the drum And a mode selection unit configured to select any one of a plurality of washing modes including a water-saving washing mode in which steam is sprayed into the drum in a state of washing, and a drum, a spray device, and steam when the water-saving washing mode is selected. By providing a control unit for controlling each of the generators, damage to the laundry can be suppressed and the amount of water used can be reduced.

In addition, according to the present invention, the laundry and the detergent, the detergent and the fragrance components formed on the paper or cloth to carry the detergent, the step of rotating the drum, and the steam injection into the drum By providing a step of performing a refresh washing, damage to the laundry can be suppressed and the amount of water used can be reduced.

In addition, according to the present invention, the laundry is put into the drum and the detergent suitable for the laundry to the detergent receiving unit of the spraying device to prepare a water-saving washing, and mixing the detergent and water in the drum and spraying And, by rotating the drum and having a step of performing a water-saving washing while spraying steam for a predetermined time inside the drum, it is possible to suppress the damage of the laundry and to reduce the amount of water used.

1 is a cross-sectional view of a conventional drum washing machine,

2 is a cross-sectional view of the drum washing machine having a water-saving washing function according to an embodiment of the present invention,

3 is an enlarged view illustrating main parts of FIG. 2;

4 is a control block diagram of a drum washing machine having a water-saving washing function of FIG.

5 and 6 are views for explaining the water-saving washing method of the drum washing machine according to an embodiment of the present invention, respectively.

Explanation of symbols on the main parts of the drawings

11: cabinet 15: door

21: Tub 23: Temperature sensor

25: drum drive motor 27: drum

29: mode selector 31: spraying device

33: detergent holding part 35: nozzle part

39,48: water supply valve 41: steam generator

42: case 46: heater

49: steam discharge flow path 51: control unit

Claims (9)

A cabinet forming an accommodation space therein; A tub accommodated inside the cabinet; A drum rotatably disposed in the tub; A steam generator disposed in the cabinet to generate steam and provide the steam into the drum; A mode selector configured to select any one of a plurality of washing modes including a functional detergent formed by carrying a detergent component and an aromatic component on a cloth or paper, and a refresh washing mode in which washing is performed using the steam generator. Wow; And a control unit for controlling the steam generator and the drum when the refresh washing mode is selected. The method of claim 1, Further comprising a spraying apparatus for mixing the detergent and water sprayed into the drum, The plurality of washing modes, the washing machine with a water-washing washing function further comprises a water-saving washing mode for washing using the steam generator and the spray device. The method of claim 2, When the controller selects the water-saving washing mode, the controller controls the drum to be rotated to perform a washing operation, controls the spraying device to spray detergent and water into the drum, and the temperature inside the drum. Drum washing machine with a water-saving washing function, characterized in that for controlling the steam generator so that steam is injected while maintaining a predetermined temperature. The method according to any one of claims 1 to 3, The washing mode is a drum washing machine having a water-saving washing function further comprising a general washing mode combined with washing, dehydration and rinsing stroke. A cabinet forming an accommodation space therein; A tub accommodated inside the cabinet; A drum rotatably disposed in the tub; A spraying device disposed in the cabinet and spraying a mixture of water and detergent into the drum; A steam generator disposed in the cabinet to generate steam and provide the steam into the drum; Water and detergent is mixed and sprayed on the laundry contained in the drum, and while rotating the drum is formed to select any one of a plurality of washing modes including a water-saving washing mode for washing by spraying steam to the laundry for a predetermined time A mode selection unit; And a control unit for controlling the drum, the spraying device, and the steam generator, respectively, when the water-saving washing mode is selected. Injecting laundry into the drum and a functional detergent formed on the paper or cloth to support the detergent component and the aromatic component; Rotating the drum; And spraying steam into the rotating drum to perform a refresh washing for a predetermined time. The method of claim 6, And performing the refresh washing step of controlling the heater of the steam generator so that the inside of the drum maintains a predetermined temperature. A water-saving washing step of putting laundry into the drum and injecting a detergent suitable for the laundry into a detergent receiving part of a spray device; Rotating the drum; Spraying detergent and water into the drum to be rotated; The water washing washing method of the drum washing machine comprising the step of performing a water-saving washing for a predetermined time by injecting steam to the inside of the drum to be rotated. The method of claim 8, The step of performing water saving washing, controlling the heater of the steam injector so that the temperature inside the drum maintains a predetermined temperature, water saving washing method comprising the.