KR100933485B1 - How to operate the washing machine - Google Patents

Abstract

A method of operating a washing machine is disclosed. The operating method of the washing machine according to the present invention includes a washing step of washing laundry; Supplying water after washing to rinse the laundry, and a rinsing step including a residual water removing process; And a final dehydration step of dehydrating the laundry after rinsing. As a result, a certain concentration of detergent liquid remaining inside the washing machine is removed through a residual water removal process, so that clean water supplied is not contaminated by the detergent liquid, so that washing of the laundry is smoothly performed. In addition, the problem that detergent residues remain in the laundry after rinsing is solved.

Description

How to Operate a Washing Machine {METHOD FOR OPERATING WASHING MACHINE}

The present invention relates to a method of operating a washing machine.

In general, an operating method of a washing machine includes a washing step of washing laundry, a rinsing step of rinsing the laundry by supplying water or circulating water after washing, and a dehydration step of dehydrating the laundry after rinsing.

The rinsing step proceeds in the order of drainage, intermittent dehydration and main dehydration while supplying clean water to the laundry. In addition, in order to improve the rinsing effect, the rinsing step is repeated a plurality of times between the washing step and the dehydration step.

On the other hand, in general, when the dehydration is a certain concentration of detergent liquid will remain inside the washing machine. Therefore, even if clean water is supplied to rinse the laundry, the clean water is mixed with the detergent liquid and contaminated.

For this reason, the rinsing of the laundry cannot be performed smoothly, and a problem that detergent residues remain in the laundry after rinsing occurs.

The present invention has been made to solve the above problems, and an object of the present invention is to provide a method of operating a washing machine with improved rinsing performance. In addition, another object is to provide a washing machine that performs the residue removal function alone.

Operation of the washing machine according to the present invention for achieving the above object, a washing step of washing the laundry; Supplying water after washing to rinse the laundry, and a rinsing step including a residual water removing process; And a final dehydration step of dehydrating the laundry after rinsing.

The rinsing step is repeated a plurality of times between the washing step and the dehydration step. Here, it is preferable that the residual water removing process is included in all of the rinsing steps or the first rinsing step of the rinsing steps.

Preferably, the residue removal step is performed in the order of water supply, water supply interruption, and drainage.

In addition, the above object is achieved by a method of operating a washing machine including a rinsing step of supplying water after washing to rinse the laundry and including a residual water removing process.

In addition, the above object is achieved by a washing machine equipped with a single function of the residual water removal process that proceeds sequentially in the order of water supply, water supply interruption, and drainage.

The operating method of the washing machine according to the present invention described above has a rinsing step including a residual water removing step between the main dewatering and the water supply. As a result, the detergent liquid of a certain concentration remaining in the washing machine after the main dehydration is removed through the residual water removal process, so that the clean water supplied is not contaminated by the detergent liquid and thus rinsing the laundry smoothly. In addition, the problem that detergent residues remain in the laundry after rinsing is solved.

In addition, when only the first rinsing step of the plurality of rinsing step includes the residual water removal process, while reducing the amount of water for removing the residual water can increase the residual water removal effect.

In addition, by having a residual water removal button, it is convenient to remove the residual water remaining in the washing machine at any time desired by the user.

Hereinafter, the operating method of the washing machine according to the first embodiment of the present invention will be described in detail. 1 is a schematic diagram of a drum washing machine driven by a driving method of a washing machine according to a first embodiment of the present invention, Figure 2 is an extract of the control panel having a residual water removal button of FIG.

Referring to Figure 1, the drum washing machine driven by the operating method of the washing machine according to the first embodiment of the present invention, the cabinet 5 to form an appearance; A tub 3 installed inside the cabinet 5 and storing wash water; A drum (9) rotatably installed in the tub (3), into which laundry is put; Washing motors 7 and 8 for rotating the drum 9; A rotating shaft 17 for transmitting the rotational force of the washing motors 7 and 8 to the drum 9; A bearing 11 supporting the rotating shaft 17; A sealing member 13 which prevents water between the tub 3 and the drum 9 from flowing into the bearing 11; Detergent supply device 30 for supplying water mixed with detergent to the tub (3); A water supply device 20 composed of a plurality of valves for supplying or blocking water to the detergent supply device 30; A drain pump 40 for pumping out water stored in the tub 3 to the outside; It includes; a control panel 70 for receiving the operation command of the user to control the operation of the washing machine.

A door 1 is installed in front of the cabinet 5, and a gasket 2 is installed between the door 1 and the tub 3.

A locking spring 4 for supporting the tub 3 is installed between the inner side of the upper surface of the cabinet 5 and the upper side of the outer circumferential surface of the tub 3, and the inner side of the lower surface of the cabinet 5 and the outer circumferential surface of the tub 3. A friction damper 10 is provided between the lower sides to damp the vibration of the tub 3.

Inside the drum 9, a plurality of lifters 9a for lifting and lowering laundry are provided.

The washing motors 7 and 8 rotate on the outer circumferential surface of the stator 7 and the stator 7 having the coil wound in the slot by a direct motor, and the rotor 8 having the permanent magnet 12 therein. It consists of.

The stator 7 is fastened to the rear wall of the tub 3 by a plurality of fastening members 19.

The rotor 8 is fastened to the rear end of the rotation shaft 17 by a fastening member 18.

When power is supplied to the coil of the stator 7 and electromagnetized, the rotor 8 is rotated by interaction with the permanent magnet 12 attached to the inside of the rotor 8. The rotational force of the rotor 8 is transmitted to the drum 9 via the rotation shaft 17.

The bearing 11 is installed in the bearing housing 15, and includes a front bearing located at the front of the rotation shaft 17 and a rear bearing located at the rear.

The sealing member 13 is inserted into the outer circumference of the rotary shaft 17 to block water between the tub 3 and the drum 9 from penetrating into the bearing 11.

The detergent supply device 30 mixes the supplied water and detergent and supplies the tub 3 to the tub 3 through the supply pipe 31. The detergent supply device 30 may be configured as follows as an example. That is, the detergent supply device 30 may be configured in a case and a detergent container installed inside the case and storing various detergents.

The siphon tube (siphon) is formed on the bottom of the detergent container, a supply port connected to the connection pipe 22 is formed on the upper side of the case, the detergent outlet is connected to the supply pipe 31 is formed at the bottom of the case.

With the above-described configuration, the water supplied through the connecting pipe 22 is mixed with the detergent stored in the detergent container, and then exits the detergent container through the siphon tube when the water level reaches a predetermined level. Water mixed with the detergent exiting the detergent container is supplied to the tub (3) through the supply pipe (31).

The water supply device 20 is provided with a supply pipe 21 connected to the external water supply source, and a connection pipe 22 connected to the detergent supply device 30.

The drain pump 40 is provided with a drain pipe 41 connected to the lower side of the tub 3 and a connection pipe 42 connected to an external drain hole, respectively.

1 and 2, the control panel 70 is provided with a residual water removal button 71 for allowing the user to perform the residual water removal process alone if desired. That is, when the user presses the remaining water removing button 71 to remove the remaining water in the tub 3, the remaining water removing process is performed. This, the residual water removal process is the water supply process for supplying water to the tub 3 through the detergent supply device 30 and the supply pipe 31, the water supply process, the water supply interruption process to block the supply of water, and drainage The pump 40 is operated to drain the remaining water to the outside through the drain pipe 41 connected to the lower side of the tub (3). Thus, by providing the residual water removal button 71, it is convenient to remove the residual water remaining in the washing machine at any time desired by the user.

Hereinafter, an operating method of the washing machine according to the first embodiment will be described.

3 is a block diagram illustrating a method of operating a washing machine according to a first embodiment.

1 and 3, the operating method of the washing machine according to the first embodiment, the washing step of washing the laundry (S10); Supplying water after washing to rinse the laundry, and a rinsing step (S20) including a residual water removing process (S44); And a final dehydration step (S30) of dehydrating the laundry after rinsing.

In the washing step (S10), the detergent supply device 30 mixes the water supplied from the water supply device 20 and the stored detergent and supplies the water mixed with the detergent through the supply pipe 31 to the tub (3). Next, the driving motors 7 and 8 drop the laundry or rub against each other while washing the drum 9 forward or reverse.

The rinsing step (S20) is repeated a plurality of times between the washing step (S10) and the final dehydration step (S30) to improve the rinsing performance. In this embodiment, the rinsing step (S20) is composed of the first rinsing step (S21), the second rinsing step (S22) and the third rinsing step (S23) to repeat the same rinsing step three times. Of course, the rinsing step may be extended to three or more times to further improve the rinsing performance.

The first rinsing step (S21), the second rinsing step (S22) and the third rinsing step (S23) proceeds sequentially, the first rinsing step (S21), the second rinsing step (S22) and the third rinsing In step S23, the process of drainage (S41), intermittent dehydration (S42), main dewatering (S43), residual water removal process (S44), water supply (S45), and rinsing (S46) are sequentially performed.

The drainage (S41) is a process in which the drainage pump 40 discharges the wash water accumulated on the lower side of the tub 3 to the outside through the drainage pipe 41 and the connection pipe 42.

The intermittent dehydration (S42) is a process in which the drive motors 7 and 8 dehydrate the laundry while the drums 9 rotate forward or backward at a low speed (350 to 400 rpm) before proceeding with the main dehydration (S43). Through the intermittent dehydration (S42) is loosened the laundry, the unbalance of the drum (9) is eliminated to prevent the generation of vibration and noise during dehydration.

The main dehydration (S43) is a process of dehydrating laundry by rotating the drum 9 at a high speed (800 to 1200 rpm) after the intermittent dehydration (S42).

The water supply S45 is a process in which the water supply device 20 supplies water to the tub 3 through the supply pipe 31.

The rinsing step S46 is a process in which the washing motors 7 and 8 rinse the laundry while the drum 9 is rotated forward or reverse.

The residual water removal process (S44) is a process of removing the detergent liquid remaining in the washing machine after the main dehydration (S43). To this end, the residual water removal process (S44) is a water supply process (S61) for supplying water to the tub (3) through the water supply device 20 and the detergent supply device 30 and the supply pipe 31, and cut off the supply of water. The water supply stop process (S62) and the drain pump 40 is operated by the drainage process (S63) for discarding the residual water to the outside through the drain pipe 41 connected to the lower side of the tub (3). Thus, the rinsing step (S20) includes a residual water removal step (S44), the detergent liquid of a certain concentration remaining in the washing machine after the main dehydration (S43) is removed through the residual water removal process. Therefore, the clean water supplied is not contaminated by the remaining detergent liquid, and the rinsing of the laundry is smoothly performed. In addition, the problem that detergent residues remain in the laundry after rinsing is solved.

4 is a block diagram illustrating a method of operating a washing machine according to a second embodiment.

1 and 4, the operating method of the washing machine according to the second embodiment, the washing step of washing the laundry (S10); Supplying water after washing to rinse the laundry, and a rinsing step (S20 ') including a residual water removing process (S44); And a final dehydration step (S30) of dehydrating the laundry after rinsing.

In the washing step (S10), the detergent supply device 30 mixes the water supplied from the water supply device 20 and the stored detergent and supplies the water mixed with the detergent through the supply pipe 31 to the tub (3). Next, the driving motors 7 and 8 drop the laundry or rub against each other while washing the drum 9 forward or reverse.

The rinsing step (S20 ') is repeated a plurality of times between the washing step (S10) and the final dehydration step (S30) to improve the rinsing performance. In the present embodiment, the rinsing step S20 'is composed of a first rinsing step S21', a second rinsing step S22 ', and a third rinsing step S23'. Of course, the rinsing step may be extended to three or more times to further improve the rinsing performance.

The first rinsing step S21 ′, the second rinsing step S22 ′, and the third rinsing step S23 ′ are performed sequentially.

In the first rinsing step (S21 '), the process of drainage (S41), intermittent dehydration (S42), main dewatering (S43), residual water removal process (S44), water supply (S45), rinsing (S46) are sequentially performed. . On the other hand, in the second rinsing step (S22 ') and the third rinsing step (S23'), the process of drainage (S51), intermittent dehydration (S52), main dewatering (S53), water supply (S54), rinsing (S55) Proceeds.

The drainage (S41, S51) is a process in which the drainage pump 40 discharges the wash water accumulated on the lower side of the tub 3 to the outside through the drainage pipe 41 and the connection pipe 42.

The intermittent dehydration (S42, S52) is a process in which the drive motors 7 and 8 dehydrate the laundry while the drum 9 rotates forward or backward at a low speed (350 to 400 rpm) before proceeding with the main dehydration (S43). . Through the intermittent dehydration (S42) is loosened the laundry, the unbalance of the drum (9) is eliminated to prevent the generation of vibration and noise during dehydration.

The dehydration (S43, S53) is a process of dehydrating the laundry by rotating the drum (9) at a high speed (800 ~ 1200rpm) after the intermittent dehydration (S42).

The water supply (S45, S54) is a process in which the water supply device 20 supplies water to the tub 3 through the supply pipe 31.

The rinsing (S46, S55) is a process in which the washing motors 7, 8 rinse the laundry while rotating the drum 9 forward or reverse.

The residual water removal process (S44) is a process of removing the detergent liquid remaining in the washing machine after the main dehydration (S43). To this end, the residual water removal process (S44) is a water supply process (S61) for supplying water to the tub (3) through the water supply device 20 and the detergent supply device 30 and the supply pipe 31, and cut off the supply of water. The water supply stop process (S62) and the drain pump 40 is operated by the drainage process (S63) for discarding the residual water to the outside through the drain pipe 41 connected to the lower side of the tub (3). Thus, the rinsing step (S20) includes a residual water removal step (S44), the detergent liquid of a certain concentration remaining in the washing machine after the main dehydration (S43) is removed through the residual water removal process. Therefore, clean water is supplied to rinse the laundry smoothly. In addition, the problem that detergent residues remain in the laundry after rinsing is solved. In addition, in the second embodiment, the residual water removing process S44 is included only in the first rinsing step S21 '. This is because since the first rinsing step 21 ′ is executed immediately after the washing step S10, the detergent liquid remains most in the washing machine. Therefore, by performing the residual water removal process S44 only in the first rinsing step 21 ′, it is possible to increase the residual water removal effect while reducing the amount of water for the residual water removal.

1 is a schematic view of a drum washing machine driven by a driving method of a washing machine according to a first embodiment of the present invention;

Figure 2 is an excerpt of the control panel with a residual water removal button of Figure 1,

3 is a block diagram showing a driving method of the washing machine according to the first embodiment;

4 is a block diagram illustrating a method of operating a washing machine according to a second embodiment.

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

3: tub 9: drum

70: control panel 71: water removal button

Claims (8)

A washing step of washing laundry; Rinsing step of rinsing the laundry by water after washing; And And a final dehydration step of dehydrating the laundry after rinsing. The rinsing step is repeated a plurality of times, The first rinsing step of the plurality of rinsing step is carried out in the order of drainage, intermittent dehydration, main dehydration, residual water removal process, water supply, rinsing, Rinsing step except the first rinsing step of the plurality of rinsing step proceeds in the order of drainage, intermittent dehydration, main dewatering, water supply, rinsing, The remaining water removal process is a method of operating a washing machine that proceeds in the order of water supply, water supply interruption and drainage. delete delete delete delete delete delete delete

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