KR20050033759A - Semi-dry method of washing machines - Google Patents

Abstract

A semi-drying method of a washing machine is provided to enhance the degree of dryness of the laundry while minimizing crumples of the laundry after dehydration. A semi-drying method of a washing machine comprises the followings: a first step of putting the laundry in a wash tub and sensing the washing amount while the wash tub is agitated according to an on/off state of a motor(S10); a second step(S20); and a third step of executing a cycle of the second step several times(S30,S40,S50). The second step includes an agitating process in which entanglement of the laundry is disentangled while the wash tub is agitated if the washing amount is under a predetermined value(S22); a simple dehydrating process wherein the laundry is dehydrated primarily while the wash tub is rotated at speed lower than predetermined dehydration speed(S24); and a main dehydrating process wherein the laundry is dehydrated secondarily while the wash tub is rotated at the dehydration speed(S26). In the simple dehydrating process, stroke time is gradually decreased as the cycle is executed several times.

Description

Semi-Dry Method of Washing Machines

The present invention relates to a semi-drying method of a washing machine, and more particularly, to a semi-drying method of a washing machine which dehydrates laundry by centrifugal force and at the same time releases tangling of the laundry to dry the laundry to 55 to 70%.

In general, a washing machine includes a cabinet 2 forming an exterior as illustrated in FIG. 1, an outer tub 4 installed as hanging on an inside of the cabinet 2, and the wash water is fresh, and the outer tub 4. It is rotatably installed inside to wash the laundry and laundry contained in the inner tank (6), and the pulsator is rotatably installed on the bottom surface of the inner tank (6) to form a rotating water flow inside the inner tank (6) And a motor 10 installed below the outer tub 4 to be connected to the inner tub 6 and the pulsator 8 to rotate the inner tub 6 or the pulsator 8. It is composed.

Of course, the water supply valve assembly 12 and the detergent box assembly 14 including a water supply valve (not shown) for supplying the washing water together with the detergent to the outer tank 4 and the inner tank 6 on the cabinet 2. Is installed, the lower one side of the outer tank 4 is installed so that the drain valve assembly 16 including a drain valve (not shown) for draining the outer tank 4 and the wash water of the inner tank.

Looking at the washing method of the washing machine according to the prior art configured as described above are as follows.

First, when the laundry is loaded on the inner tank 6 and the washing machine starts to be driven after the washing pattern is set, the inner tank 6 is stirred and rotated at a low speed by a motor 10 to detect the quantity of the laundry. The water supply level and the detergent amount are set according to the quantity of water.

Thereafter, washing and rinsing, and a dehydration stroke are performed according to the set washing pattern, thereby washing the laundry.

That is, after washing water is supplied to the inner tank 6 together with a detergent during washing administration, the inner tank 6 and the pulsator 8 are rotated at a medium speed by the motor 10, and the laundry is washed in the inner tank 6. Washed by friction and rotational water flow, and only wash water is supplied to the inner tank 6 during the rinsing stroke, and the laundry is rinsed while the inner tank 6 and the pulsator 8 are rotated at a medium speed.

In addition, while the inner tank 6 is rotated at a high speed at 1000 to 3000 rpm for 3 to 5 minutes during the dehydration stroke, the laundry is dehydrated by centrifugal force.

However, in the washing machine according to the prior art, since the inner tank 6 is rotated at a high speed so that the laundry is dehydrated by centrifugal force during the dehydration operation, the laundry is entangled with each other after the dehydration and the laundry is entangled with each other. As it is stuck, the process of taking out the laundry and untangling the laundry is not only difficult to hang on the drying rack, but also to dry the laundry for a long time outside, which is subject to weather and time constraints. There is a necessary problem.

The present invention has been made to solve the above problems of the prior art, it is an object of the present invention to provide a semi-drying method of a washing machine to minimize the wrinkles of laundry after dehydration and to increase the dryness of the laundry.

Semi-drying method of the washing machine according to the present invention for solving the above problems is the first step after the laundry is loaded in the washing tank, the washing tank is stirred as the power of the motor is turned on / off; In the first step, if the amount is less than the set value, the washing tank is stirred while the tangling of the laundry is released, and after the stirring process, the laundry tank is rotated at a lower speed than the set dehydration speed and the simple dehydration process in which the laundry is first dewatered; And a second step of performing a main dehydration process in which the laundry is secondly dehydrated while the washing tank is rotated at the dehydration speed after the simple dehydration process. The second step of the cycle comprises a third step of being carried out a plurality of times,

The simple dehydration process is set to gradually reduce the stroke time as the cycle is performed a plurality of times.

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

The semi-drying method of the washing machine according to the present invention increases the speed of the washing tank step by step while releasing the tangling of the laundry by stirring the washing tank in the middle, thereby minimizing the wrinkles of the washing and drying the laundry during general dehydration. Increase the dryness to 50% or more, that is, 55 to 70%.

That is, in the first step (S10), after the laundry is deposited in the washing tank, as the power of the motor is turned on / off, the washing tank is agitated and the quantity of water is sensed.

At this time, when the laundry is a wet cloth, a large load is placed on the motor because the laundry contains a lot of water, and the vibration of the washing tank is likely to be excessive, so that the duty value is the ratio of the on / off time (t1 / t2) of the motor. It is preferable to stir the said washing tank shortly by making small.

On the other hand, if the amount is too large, the laundry is severely tangled and the washing tank is rotated at high speed, so the vibration of the washing machine is large, it is necessary to limit the amount to 20% to 40% of the washing capacity.

Therefore, the first step S10 includes a step S12 of generating an alarm sound to warn the user of the excess amount without proceeding to the next step if the detected amount exceeds the set value.

In the second step (S20), if the quantity is less than the set value in the first step (S10), as the power of the motor is turned on / off, the washing tank is stirred while the tangling of the laundry is released (S22) and the stirring process (S22) After the washing tank is rotated at a lower speed (V1) than the set dehydration speed (Vo), the simple dehydration process (S24) that the laundry is first dehydrated, and the dehydration process (S24) after the simple dehydration process (S24) Rotation is made to Vo) is the dehydration process (S26) that the laundry is dewatered secondary.

Here, in the stirring process (S22), the laundry may be deposited on one side or attached to the wall surface of the washing tank so that the laundry is evenly deposited by dropping the washing tank and falling off from the wall surface of the washing tank.

In the simple dehydration process (S24), the heavier the laundry, the greater the centrifugal force acting on the laundry, so that the laundry is compressed on the wall of the washing tank, so that the laundry is dehydrated while being pushed to the wall surface of the washing tank by the centrifugal force during the rotation of the washing tank. By the rotation speed of the washing tank is set to medium speed, that is, 600 ~ 900rpm so that the laundry is not caught in the hand of the washing tank.

 In the present dehydration process (S26), the laundry is dehydrated primarily in the simple dehydration process (S24), so that the dehydration speed (Vo) is greater than that of the simple dehydration process (V1), that is, even if the laundry is centrifugal force at 800 to 1200 rpm. It is attached to the wall of the washing tank by the dehydration, but is not caught in the hand of the washing tank, the laundry can be dried to a slightly less dry state with almost no wrinkles.

In the third step (S30, S40, S50), the stirring step (S22), the simple dehydration step (S24), and the present dehydration step (S26) of the second step form one cycle, and the cycle is three to five times. The laundry is dehydrated step by step a plurality of times so that the dryness of the laundry is 55% to 70%.

In particular, as the water content of the laundry gradually decreases as a plurality of cycles are performed, the centrifugal force acting on the laundry gradually decreases, so that the dehydration rate is lowered, and even if the washing tank is rotated at a speed higher than the initial stage, the laundry does not get caught in the hand of the washing tank. Body can be dehydrated.

Therefore, in the third step, the simple dehydration process (S34, S44) is set to gradually reduce the stroke time (T1, T2, T3) as the cycle is performed a plurality of times, thereby reducing the dehydration time of the laundry and the power consumption accordingly Will be.

In addition, in the last cycle (S50), the dryness of the laundry is almost reached the target, so the moisture content of the laundry is very low, the laundry is hardly dehydrated during the simple dehydration process because the washing tank is rotated at a medium speed. Therefore, it is desirable to reduce the dehydration time and power consumption of the laundry by omitting the simple dehydration process in the last cycle.

Semi-drying method of the washing machine according to the present invention constituted as described above is carried out a plurality of cycles of agitation process loosening the laundry, simple dewatering process of the first dewatering of the laundry, and this dewatering process of the second dehydration of the laundry As the laundry is dehydrated step by step, it is possible to improve the dryness of the laundry and to minimize the wrinkles of the laundry. As the cycle is carried out a plurality of times, the administrative time of the simple dewatering process is set to decrease gradually. There is an advantage that can reduce the power consumption.

1 is a side cross-sectional view of a washing machine according to the prior art,

2 is a flowchart of a semi-drying method of a washing machine according to the present invention;

3 is a view showing the speed of the motor according to the semi-drying method sequence of the washing machine according to the present invention.

<Explanation of symbols on main parts of the drawings>

S22: stirring process S24: simple dehydration process

S26: Main Dehydration Process

Claims (2)

A first step of washing the laundry after the laundry is loaded in the washing tank and sensing the amount of water while the washing tank is stirred as the power of the motor is turned on / off; In the first step, if the amount is less than the set value, the washing tank is stirred while the tangling of the laundry is released, and after the stirring process, the laundry tank is rotated at a lower speed than the set dehydration speed and the simple dehydration process in which the laundry is first dewatered; And a second step of performing a main dehydration process in which the laundry is secondly dehydrated while the washing tank is rotated at the dehydration speed after the simple dehydration process. The third step of the cycle comprises a third step of being executed a plurality of times; The simple dehydration process is a semi-dry method of a washing machine, characterized in that the stroke time is set to gradually decrease as the cycle is carried out a plurality of times. The method of claim 1, Semi-drying method of the washing machine, characterized in that the simple dehydration process is set to be omitted in the last cycle.