KR100739612B1 - Drum washing machine and washing method for drum washing - Google Patents

Abstract

The present invention relates to a drum washing machine and a drum washing machine washing method capable of smoothly washing the laundry cloth even in the case of massive washing of the laundry cloth of the drum washing machine.

The present invention for this purpose is to (a) injecting the laundry cloth into the drum, (b) detecting the amount of the laundry cloth of the step, and (c) to the amount of laundry cloth detected in the step (b) Supplying the washing water in the tub so as to correspond to the same, and (d) the driving cloth is driven at a rotational force lower than the rotational force of the spin drive or the rotational force of the spin drive so that the centrifugal force of the laundry cloth is in close contact with the inner surface of the drum. Selectively rotating the tumble drive to generate a tumble flow of the laundry cloth; and (e) the laundry cloth inside the drum after each of the spin drive or the tumble drive of step (d). Supplying the washing water to the washing machine, and (f) stopping the water supply of the washing water after completion of the washing water supplying in the drum of the step (e), and continuing washing with a lower rotational force than the spin driving of the step. Provide a tumble washing step to proceed.

Drum washing machine, laundry cloth, circulation pump, centrifugal force

Description

How to wash drum washing machine and drum washing machine {DRUM WASHING MACHINE AND WASHING METHOD FOR DRUM WASHING}

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

Figure 2 is a schematic cross-sectional view of a drum washing machine by a conventional circulation pump.

Figure 3 schematically shows a drum washing machine according to a preferred embodiment of the present invention.

4 is a flow chart of a washing method of the drum washing machine of FIG.

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

110 washing machine body 120 tub

130 ... drum 140 ... circulation pump

143 Circulating flow path 150 ... Drainage pump

160 ... motor

The present invention relates to a drum washing machine and a drum washing machine washing method, and to a drum washing machine and a drum washing machine washing method capable of smoothly washing the laundry cloth even in the case of massive washing of the laundry cloth of the drum washing machine.

In general, in the drum washing machine, the clothes to be washed are wetted with water, the upper downflow method to lengthen the water in the tub to fall from the top, and the water circulation system to wet the laundry clothes through the water circulation by the pump This is used.

1 is a view schematically showing a drum washing machine using an upper dripping method, and FIG. 2 is a longitudinal sectional view schematically showing a drum washing machine using a water circulation method.

As shown in FIG. 1, in the drum washing machine 100a using the upper dripping method, a detergent container 2 and an operation unit 3 are installed at an upper part of the front of the washing machine main body 1, and a rear surface of the washing machine main body 1 is provided. It is connected to the water supply means not shown is provided with a water supply valve (4) for supplying hot and cold water.

A tub 5 is installed in the washing machine body 1, and a drum 6 is mounted in the tub 5 to perform washing and dehydration by rotating at a high speed.

The front of the tub (5) is provided with a door (8) via the diaphragm (7) to open and close the opening of the drum (6) when the laundry cloth is put into the drum (5). An air vent 9 is installed at the upper end of the diaphragm 7 to introduce dry air during the drying administration of the laundry cloth. In addition, the front of the tub (5) is provided with a balance weight (10) to suppress the vibration generated by the high-speed rotation of the drum (6) during washing and dehydration.

The outer peripheral surface of the tub (5) is connected to the condensing hose 11 for supplying cold water to condense the hot air introduced into the tub (5), the lower side of the tub (5) to rotate the drum (6) reverse Power transmission means for 12 is mounted.

The drainage pump 14 is installed in the middle of the drain hose 13 so as to forcibly drain the wash water drained from the tub 5 via the drain hose 13 to the outside at the lower rear side of the washing machine body 1. The lower front side of the washing machine main body 1 has a space between the tub 5 and the drain pump 14 so as to prevent the drain pump 14 from being blocked by the laundry residue included in the wash water drained from the tub 5. The filter 15 is provided in the middle of the drain pipe 17 to connect.

The drum 6 has a plurality of through holes 6a formed therein so that washing water supplied into the tub 5 flows into the drum 6, and the drum 6 is rotated on the inner circumferential surface thereof. At the same time, a plurality of stirring projections 6b protrude toward the inner center of the drum 6 at regular intervals so as to raise and drop the laundry cloth to a certain height and at the same time turbulence the flow of water. A groove (not shown) protrudes toward the outside of the drum 6 so that water in the drum 6 accumulates in a portion facing the protrusion 6b.

The drum washing machine (100a) of the upper drop method having such a configuration, when the water on the bottom is located at the top by raising the water in accordance with the rotation of the drum, so as to fall in the direction of the laundry cloth, so that wetting action of the laundry cloth is made. However, such a drum type washing machine (top) has a problem that takes a lot of time to wet the laundry cloth.

2 is a longitudinal sectional view schematically showing a drum washing machine using a water circulation method.

As shown in FIG. 2, the drum washing machine 100b of the water circulation system includes a drain pump for circulating the washing water stored in the tub 5 by the pumping force of the pump to improve washing and rinsing performance. A separate circulation pump 16 is installed between the 14 and the filter 15 to circulate the washing water, and the washing water is purified to the upper portion of the tub in the circulation pump 16 so that the inside of the drum 6 is circulated. A circulation hose 18 capable of supplying washing water is connected.

Therefore, the washing water stored in the tub 5 during washing and rinsing is discharged through the drain pipe 17 by the operation of the circulation pump 16 to circulate to the upper end of the drum 6 along the circulation hose 18. Of course, during the discharge of the wash water and rinsing water is discharged to the outside through the drain hose 13 by the operation of the drain pump (14).

However, such a water circulation drum washing machine (100b), there is a problem that the packing cloth of the laundry cloth is uneven when there are a lot of laundry cloth.

The present invention has been made to solve the problems as described above, to provide a drum washing machine and a drum washing machine washing method that can be smoothly wet the laundry cloth even in the case of washing a large amount of laundry cloth of the drum washing machine. There is this.

The control method of the drum washing machine according to the present invention for achieving the above object comprises the steps of: (A) detecting the amount of laundry cloth to be introduced into the drum and supplying the washing water corresponding to the amount; (B) a spin drive for rotating the drum so that the cloth is in close contact with the inner surface of the drum and driven with a rotational force relatively lower than that of the spin drive to generate a tumble flow of the cloth. Sequentially performing any one of the tumble drives for rotating the drum; (C) allowing the washing water to be sprayed onto the laundry cloth during the spin driving and the tumble driving to achieve a deflagration; And (D) washing the laundry cloth through a predetermined process.

In addition, before step (D) is performed, step (B) and step (C) may be repeated for a predetermined time or according to a set number of times.

In addition, the step (D), the water supply of the washing water required for the washing is carried out after the filling of the laundry cloth, and after the completion of the water supply stops the water supply of the washing water and tumble drive the drum To wash the laundry cloth characterized in that it comprises a.

delete

delete

delete

Hereinafter, a control method of a drum washing machine according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to the embodiments disclosed below, but will be implemented in various forms, and only the present embodiments are intended to complete the disclosure of the present invention and to those skilled in the art to fully understand the scope of the invention. It is provided to inform you.

3 is a view schematically showing a drum washing machine according to a preferred embodiment of the present invention.

As shown in FIG. 3, the drum washing machine 200 according to the present invention includes a washing machine main body 110, a tub 120 mounted on the washing machine main body 110 and supplied with washing water, and a washing machine main body 110. The circulation pump 140 is installed in the tub 120 to supply the washing water to the tub, the circulation flow pipe 143 is provided so that the wash water pumped from the circulation pump 140 to the tub 120, the tub 120 The drum 130 is rotatably mounted in the spinneret, and the drum 130 rotates so that a centrifugal force in which the laundry cloth is in close contact with the inner surface or a tumble drive rotated to generate a tumble flow of the laundry cloth is selectively provided. .

The washing machine main body 110 is provided with a detergent inlet and an operation unit for detergent input. The back of the washing machine body 110 is equipped with a water supply valve (not shown) to supply water through a predetermined water supply means. The tub 120 is installed inside the washing machine body 110 to supply washing water.

The tub 120 is mounted in the washing machine body 110 and wash water is introduced therein. The front of the tub 120 is equipped with a door 121 for the inflow of the laundry cloth to be washed. The drum 130 is mounted inside the tub 120 to be rotatable.

The drum 130 is formed with a plurality of through holes (not shown) so that the washing water supplied into the tub 120 flows into the drum 130. The inner circumferential surface of the drum 130 is preferably mounted with a plurality of lifters 131 to raise and drop the laundry cloth to a predetermined height. The lifter 131 raises the washing effect of the laundry cloth by turbulizing the wash water with a drop action after raising a predetermined height of the laundry cloth.

On the other hand, the bottom of the tub 120 is equipped with a circulation pump 140 for pumping the wash water, and a drain pump 150 for draining the wash water. Reference numeral 160 denotes a motor for operating the circulation pump 140 and the drain pump 150. The washing water 141 pumped to the circulation pump 140 is sprayed into the drum 130 through the circulation flow passage 143. That is, the washing water stored in the tub 120 during washing is sprayed into the drum 130 from the upper side of the drum 130 along the circulating flow path tube 143 by the operation of the circulation pump 140.

Washing rotation operation through the drum 130 is divided into spin driving and tumble driving. The spin driving and tumble driving of the drum 130 will be described in more detail.

First, when the spin drive of the drum 130 will be described, the centrifugal force of the drum 130 above a predetermined pressure, preferably 1 G or more, before the washing water is injected into the drum 130 using the circulation pump 140. Rotate as much as possible. As the drum 130 rotates, the laundry cloth inside the drum 130 is in close contact with the drum inner surface. Then, when the washing water is sprayed into the drum 130 by operating the circulation pump 140, the wetting operation of the rear portion of the laundry cloth is made.

When the tumble drive of the drum 130 is described, the drum 130 is rotated to a predetermined pressure or less before the washing water is sprayed into the drum 130 using the circulation pump 140. As the drum 130 rotates, the laundry cloth inside the drum 130 is tumbled in a vertical direction in the drum. That is, the rotation speed of the drum 130 to have a rotation speed that the laundry cloth is not in close contact with the inside of the drum, the tumble action of the laundry cloth is made to fall by its own weight in a state in which the laundry cloth is rotated a certain height. By operating the circulation pump 140 with the tumble drive of the drum 130, the washing water is sprayed to the laundry cloth inside the drum 130 to enable the wetting action of the front of the laundry cloth.

Through the spin and tumble driving together, the front and rear parts of the cloth can be evenly wetted to improve the washing efficiency. The operation sequence of the spin drive and the tumble drive can be varied in order, and of course, the operation can be repeated several times.

4 is a flowchart illustrating a control method of the drum washing machine of FIG. 3. With reference to FIG. 4, the control method of the drum washing machine of this invention is demonstrated.

First, the user puts the laundry cloth in the drum 130 of the drum washing machine. (S11)

Subsequently, the drum washing machine senses the amount of the laundry cloth put into the drum 130 (S13).

Then, according to the amount of the laundry cloth sensed in the step (S13), the water supply of a predetermined amount of washing water to the tub 120 by the operation of the circulation pump 140 is made (S15).

Next, it is determined whether the spin drive is performed or not (S17). The determination of whether the spin drive is performed is based on a predetermined operation sequence. If the spin drive is set to control the spin drive, the spin drive is performed first, and then the tumble drive occurs. To lose. When the spin drive is not set, the spin drive is performed after the tumble drive is performed.

That is, when it is determined that the spin driving is performed in step S17C, the spin driving operation of the drum 130 is performed, and after the spin driving operation of the drum 130 is performed, the washing water is operated by the operation of the circulation pump 140. The injection of the drum 130 is performed. (S19) By the operation of this step (S19), wetting of the front part of the washing water is easily performed.

Next, when the spin drive and the injection of the washing water of the step (S19) is made, then the tumble drive is made. By performing the operation of the circulation pump 140 at the time of the tumble drive operation, so that the wetting of the rear portion of the laundry cloth inside the tumble driven drum 130 is made (S21).

The washing process of the washing cloth by the spin driving and the tumble driving is also possible in the reverse order. (S23) (S25) And, the washing process of the washing cloth by the spin driving and the tumble driving is repeated several times. Of course it is possible.

After performing the steps (S11 to S25), the operation of the circulation pump 140 is stopped and only the tumble drive is carried out so that the washing proceeds continuously.

Finally, if the washing by the tumble drive lasts for a certain time, the washing and draining process to proceed to finish the washing. (S29)

The present invention has been described above with reference to the embodiments shown in the drawings. However, the present invention is not limited thereto, and various modifications or other embodiments falling within the scope equivalent to the present invention are possible by those skilled in the art. Therefore, the true scope of protection of the present invention should be defined by the following claims.

The control method of the drum washing machine according to the present invention as described above has the following effects.

Before wetting the laundry cloth with water supplied to the tub of the drum washing machine, the spin driving method for spraying the washing water while rotating the drum to apply the centrifugal force that the laundry cloth is tightly adhered to the drum and the centrifugal force lower than the spin driving method is applied. The drum washing machine is driven by the mixing of the tumble driving method of spraying the washing water, so that the front and rear of the laundry cloth can be evenly wetted, thereby increasing the washing efficiency.

Claims (6)

(A) sensing the amount of laundry cloth that is introduced into the drum and watering the washing water corresponding to the amount; (B) a spin drive for rotating the drum so that the cloth is in close contact with the inner surface of the drum and driven with a rotational force relatively lower than that of the spin drive to generate a tumble flow of the cloth. Sequentially performing any one of the tumble drives for rotating the drum; (C) allowing the washing water to be sprayed onto the laundry cloth during the spin driving and the tumble driving to achieve a deflagration; And (D) a control method of the drum washing machine comprising the step of washing the laundry cloth through a predetermined process. The method of claim 1, Before the step (D) is performed, the step (B) and the step (C) comprises the step of being repeated for a set time or according to a set number of times. The method according to claim 1 or 2, wherein the step (D) comprises: Performing a watering of the amount of washing water required for washing after the bagging of the washing cloth is made; Stopping the water supply of the wash water after the completion of the water supply and tumble driving the drum to wash the laundry cloth. delete delete delete

Images