DE102007043400A1 - Method for washing laundry - Google Patents

Abstract

The present invention discloses a method for washing laundry by controlling the intensity of washing according to the temperature of the washing water. In the laundry washing method using a washing machine comprising a casing having a laundry supply for loading the laundry, an outer tub disposed in the housing for storing washing water, and an inner tub disposed in the outer tub for rotating the laundry is, a temperature of a wash water is sampled, which is supplied to the outer tub. Then, the intensity of washing of the laundry is controlled according to the sensed temperature of the washing water.

Description

The The present invention relates to a method for washing laundry, and in particular, a method of washing laundry by controlling the intensity of washing according to the temperature of the washing water.

The Korean Laid-Open Patent Publication No. 2005-0117004 describes a typical drum type washing machine having a housing, a tub disposed in the housing, and a drum disposed in the tub.

The Korean Laid-Open Patent Publication No. 2005-0102916 describes a temperature sensing device for sensing the temperature of wash water supplied to an outer tub in a drum type washing machine. 4 FIG. 15 is a diagram illustrating a temperature sensing device used in the Korean Laid-Open Patent Publication No. 2005-0102916 is presented. As in 4 As shown, the temperature sensing device has a temperature sensor 42 for sensing the temperature of the wash water, a connector 46 that with the temperature sensor 42 through a connection line 44 connected, and a power supply, and a temperature sensor cover 48 to shield the temperature sensor 42 and the connection line 44 on.

The Korean Laid-Open Patent Publication No. 2001-0057848 describes a volume scanning method for a fully automatic washing machine that scans the volume of laundry and decides a level of water according to previously entered or stored data.

The Korean Laid-Open Patent Publication No. 1998-0068971 describes a method for controlling a washing machine having a housing, an outer tub disposed in the housing, an inner tub rotatably disposed in the outer tub, and a pulsator rotatably mounted to the bottom of the inner tub.

however can the methods for washing laundry according to the state technology, not the properties of the laundry, such as the thickness, the degree of contamination and the washing frequency that vary according to the seasons, though the methods for washing laundry according to the state the technology the washing intensity, how to control a water level and a washing time according to the laundry volume after the laundry volume is scanned.

The is called, although the same volume of laundry must be washed winter clothing with a higher one intensity and for a longer one Duration as those for Summer clothes are washed as winter clothing in general thicker and less common when the summer clothes are washed. Such properties of Seasonal clothing is determined by the method of controlling a Washing machine according to the state the technology is not considered.

The ability for washing clothes varies according to the temperature of the washing water. However, the laundry is independent of the temperature of the Washing water washed the same. Consequently, its washing efficiency can be deteriorate.

The The present invention is achieved in order to solve the above problems. A The object of the present invention is a process for washing of laundry to improve the washing efficiency by different Washing clothes to provide, which has properties according to the Seasons vary, based on the temperature of the wash water, which varies according to the seasons.

A Another object of the present invention is to provide a method for washing clothes by Controlling the intensity washing according to temperature of the wash water, although the weight of the wash is the same is.

Yet Another object of the present invention is a method for different washing of laundry according to the temperature of the washing water to improve the washing efficiency.

Around to solve the above-described objects of the invention is a method for washing laundry provided that uses a washing machine, which has a housing with a laundry supply to Insert the laundry, an outdoor tub, the in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry the method comprises the steps of: a) sampling a temperature of a washing water supplied to the outer tub; and b) controlling the intensity washing the laundry according to the scanned Temperature of the washing water.

The intensity washing may be inversely proportional to the temperature of the wash water to be controlled.

In step b), a season can be determined according to the temperature of the washing water, and the intensity of washing of the laundry can be controlled according to the season detected the.

in the Step b) can be at least one of a rotational speed and a rotation time of the inner tub according to the temperature of the washing water to be controlled.

in the Step b) can be the rotational speed of an inner vat controlled inversely proportional to the temperature of the wash water become. As described above, the intensity of the washing is controlled. In The present invention means the rotation speed and the rotation time of one of the means, the intensity of the washing too Taxes. The intensity washing can be done by controlling the volume of wash water, or a time of execution a wash cycle, a rinse cycle and a spin dry run.

in the Step b), the rotation time of the inner vat may be inversely proportional be controlled to the temperature of the wash water.

In Another aspect of the present invention is a method for washing clothes provided that uses a washing machine, which has a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry the method comprises the steps of: a) sampling the laundry volume, which is placed in the inner vat; b) supplying washing water to the laundry; c) Sensing a temperature of the supplied wash water; and d) Control the intensity of the Washing the laundry, the according to the scanned Volume by considering a season, the according to the scanned Temperature of the wash water is detected. If for example the temperature of the washing water is about 5 ° C, it is determined that a current season Winter is to see that the laundry is made of thick clothes. When the temperature of the wash water is about 18 ° C, it is determined that a current season Summer is to determine that the laundry is made of thin clothing.

In Still another aspect of the present invention is a method for washing clothes provided that uses a washing machine, which has a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry is arranged, the method comprising the steps of: a) supplying Washing water for washing; b) sensing a temperature of the supplied wash water; and c) Determine if the laundry thick or thin is, according to the temperature of the washing water. If, for example, the temperature of the wash water is lower as about 6 ° C is, it is found that the laundry off thick clothes. If the temperature of the wash water is higher than 6 ° C and lower than about 15 ° C is, the laundry is washed under normal conditions. When the temperature of the wash water higher than about 15 ° C is, it is determined that the Laundry thinner Clothing exists. Such a temperature range can be correspondingly Regions, nations and the type of wash water, such as tap water, Groundwater and water stored in a water tank vary.

The The method may further comprise the step of: d) sampling the volume the laundry before step a); and e) washing the laundry based on the volume the laundry and the determination of step c).

in the Step c) may be a season according to the temperature of the washing water be determined and it can be determined according to the season detected be, whether the laundry thick or thin.

In Still another aspect of the present invention is a method for washing clothes provided that uses a washing machine, which has a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry the method comprises the steps of: a) sampling the laundry volume, which is placed in the inner vat; b) supplying washing water to the laundry; c) Sensing a temperature of the wash water, which is the outer tub is supplied; and d) controlling at least one of a rotational speed and a rotation time of an inner vat, which decided according to the scanned volume be, according to the temperature of the washing water.

in the Step d), the rotational speed of the inner vat can be reversed be controlled proportionally to the temperature of the wash water, or the rotation time of the inner vat may be inversely proportional be controlled to a temperature of the wash water.

The The present invention will become apparent with reference to the accompanying drawings better understood, which are given only illustratively and therefore not for limiting the present invention. Show it:

1 a diagram illustrating a washing machine according to an embodiment of the present invention;

2 Fig. 10 is a flowchart showing a laundry washing method according to an embodiment of the present invention;

3 FIG. 10 is a flowchart illustrating a method of controlling the intensity of washing included in a laundry washing method according to an embodiment of the present invention; FIG.

4 FIG. 4 is a diagram illustrating a temperature sensing device included in a drum type washing machine disclosed in US Pat Korean Laid-Open Patent Publication No. 2005-0102916 is introduced.

It Now, a method for washing laundry according to preferred embodiments of the present invention in detail with reference to the accompanying drawings described.

in the Next, a drum type washing machine will be described as an example. on the a method for washing laundry according to the present embodiment is applied. However, the method for washing laundry according to the present embodiment on a direct connection washing machine or a pulsator washing machine be applied.

1 Fig. 10 is a diagram illustrating a washing machine according to an embodiment of the present invention.

Referring to 1 For example, the washing machine according to the present embodiment has a housing 10 , an outdoor tub 20 , an inner vat 30 , a motor 40 , a water supply passage 50 , a drain passage 50 , a sensor 52 and a controller 70 on.

The housing 10 Provides a space for storing laundry and has a laundry supply 12 on to allow a user to put the laundry in the case 10 to give. In the present embodiment, the laundry supply is 12 at the front of the case 10 formed in a circular shape, and a door 14 is at the front of the case 10 arranged to the laundry supply 12 to open or close. Preferably, a seal 16 between the laundry supply 12 and the door 14 arranged to prevent the wash water from leaking.

The outer tub 20 is in the case 10 arranged to store the wash water. In the present embodiment, the outer tub 20 a cylindrical shape with a closed side on. The outer tub 20 is firmly in the housing 10 arranged to supply the washing water with the water supply passage 50 connected, and to the outflow of wash water with the drain passage 60 connected.

The inner tub 30 is in the outer tub 20 arranged to rotate the laundry. In the present embodiment, the inner tub 30 a form, that of the outer tub 20 equates to running smoothly in the outer tub 20 to turn. The inner tub 30 has a plurality of holes formed on its peripheral side to the washing water in the outer tub 20 to flow in and out. Consequently, the laundry is in the inner tub 30 washed while the inner tub 30 in the outer tub 20 rotates. In addition, the inner tub 30 lifter 32 for lifting the laundry by the rotation of the inner vat 30 on.

The motor 40 is for turning the inner vat 30 in the outer tub 20 at the outer tub 20 arranged, with the inner vat 30 connected with him.

The water supply passage 50 leads to the outer tub 20 Wash water too. In the present embodiment, the water supply passage is 50 for supplying the washing water to the outer tub 20 with the outer tub 20 connected and has a valve 54 for controlling the volume of wash water in the outer tub 20 on. The water supply passage 50 is with a detergent box 18 connected to one side of the case 10 is arranged to supply detergent with the wash water.

The expiration passage 60 directs the wash water from the outer tub 20 from. In the present embodiment, the drain passage is 60 with the outer tub 20 for draining off the wash water from the outer tub 20 connected, and there is a drain device arranged to control the volume of wash water, through the drain passage 60 is derived. In the present embodiment, a pump 64 used as the drain device.

The sensor 52 scans the temperature of the wash water. In the present embodiment, the sensor is 52 at the water supply passage 50 arranged and measures the temperature of the wash water, through the water supply passage 50 flows. The sensor 52 can be used to directly sense the temperature of the wash water directly at the outer tub 20 be arranged.

The control device 70 is to taxes Intensity level of washing of a wash with the engine 40 , the sensor 52 , the valve 54 and the pump 64 connected. In the present embodiment, the controller controls 70 the rotation speed and the rotation time of the motor 40 according to the sampled temperature of the wash water and controls the operations of the valve 54 and the pump 64 ,

in the Following is a method for washing laundry according to an embodiment of the present invention described.

2 FIG. 10 is a flowchart illustrating a laundry washing method according to an embodiment of the present invention. FIG. The laundry washing method according to the present embodiment includes a volume sensing step S5, a first water supply step S10, a washing step S20, a first spin drying step S30, a first step S40, a second water supply step S50, a rinse step S60, a second step S80, and a second step second spin drying step S90.

In the volume scanning step S5, the volume of washing water in the inner tub becomes 30 scanned using well-known methods. Based on the sampled volume of the washing water, predetermined conditions for controlling the entire washing operations are set, including a water supply operation, a washing operation, a draining operation and a spin drying operation.

At the first water supply step S10, the washing water becomes the outer tub 20 fed. In the present embodiment, the washing water becomes the outer tub 20 fed through the water supply passage, as much as the volume obtained by sensing the volume of wash water entering the inner tub 30 is decided at step S10.

3 FIG. 10 is a flowchart illustrating a method of controlling the intensity of washing included in a laundry washing method according to an embodiment of the present invention. FIG.

Referring to 3 , in step S1, the sensor is scanned 52 , the water supply passage 5 is disposed, the temperature of the washing water, which was supplied in step S10.

After the wash water is completely in the outer tub 20 at the first water supply step S10 in FIG 2 is fed, the laundry at step S20 by turning the inner tub 30 washed. In the present embodiment, at step S20, the washing intensity is controlled according to the temperature of the washing water sampled at step S10. That is, at step S20, the engine is rotating 40 continuously the inner vat 30 with the lifters 32 , and the lifters 32 lift the laundry and drop it, washing the laundry. At least one of the rotation speed and the rotation time of the inner tub 30 are controlled in accordance with the sensed temperature of the washing water to control the washing intensity in step S20.

Up again 3 Referring to Fig. 10, when the sensed temperature of the washing water is low at step S2, for example, about 5 ° C, it is found that the thickness of the laundry is thick and the washing frequency is low. As stated, the inner tub rotates 30 at a higher rotational speed, or the inner tub 30 rotates for a longer time than the pre-set washing time by increasing the previously set washing time at step S3 by a predetermined time. For example, the inner tub rotates 30 for about 35 minutes, by increasing the 30 minutes of the preset washing time, which is set at S5, by 5 minutes. On the contrary, if the washing water temperature sampled at step S10 is comparatively high, for example, about 18 ° C, it is determined at step S2 that the thickness of the laundry is thin and the washing frequency is high. As stated, the inner tub rotates 30 at a low rotational speed or rotates for a time shorter than a previously set washing time by reducing the previously set washing time at step S4 by a predetermined time. For example, the inner tub rotates 30 for 20 minutes, by reducing 25 minutes of the preset washing time, which is set at S5, by 5 minutes. Then, the washing step S20 is ended.

Referring to 2 , After the washing step S20 is finished, the washing water in the outer tub 20 derived at step S30. In the present embodiment, the pump 64 operated to the wash water in the outer tub 20 through the drainage passage 60 derive.

In the first spin drying step S40, the laundry is spin-dried by placing the inner tub 30 is turned. In the present embodiment, the inner tub rotates 30 to spin-dry the laundry during the first spin-drying, step S40 at a high speed. The dehydrated washing water from the laundry passes through the drainage passage 60 from the outer tub 20 derived. In the present embodiment, the intensity of the spin-drying of the laundry can be controlled by minimizing at least one of the rotation speed and the rotation time of the inner tub 30 for spin-drying the laundry according to the sensed washing water temperature at step S40.

Of the Wash, the first water supply step S10, the washing step S20, the first step S30 and the first spin dry step S40 includes can be done several times be to the intensity washing the laundry to increase.

At the second water supply step S50, the outer tub becomes 20 Wash water supplied to rinse the laundry. In the present invention, the washing water at the step S50 becomes the water supply passage 50 the outer tub 20 fed.

In the rinsing step S60, the laundry rotates with the washing water entering the inner tub 30 is brought. In the present embodiment, the laundry rotates with the inner tub in step S60 30 , whereby the laundry is rinsed with the washing water. In the present embodiment, the intensity of the rinsing of the laundry is controlled by at least one of the rotation speed and the rotation time of the inner vat 30 for rinsing the laundry according to the sensed temperature of the washing water sampled at step S10 is controlled at the rinsing step S60.

In the second step S80, the washing water in the outer tub 20 derived for the rinsing step S60. In the present embodiment, the pump 64 that at the expiration passage 60 is arranged, fully open, and the washing water in the outer tub 20 is completely derived at step S80.

In the second spin drying step S90, the laundry is spin-dried by the inner tub 30 is rotated after the wash water is completely discharged to the outside.

In the present embodiment, the inner tub rotates 30 at a low speed or a predetermined interval at the beginning of step S90, then the inner tub rotates 30 at a high speed to spin-dry the laundry to reduce the vibrations generated by a partial arrangement of the laundry.

Of the Whiplash drumming, the first whiplash S40 and the second spin drying step S90 may be performed several times around the intensity washing the laundry to increase.

As As described above, the method for washing laundry according to embodiment the present invention, the washing efficiency by different Washing clothes increase, has properties that vary according to the seasons change, based on the temperature of the wash water, which varies accordingly the seasons changed.

The Method for washing laundry can according to a embodiment In the present invention, the intensity of washing the laundry according to the temperature control the washing water, although the weight of the laundry is the same.

The Process for washing laundry according to a embodiment The present invention can improve the washing efficiency by: the laundry according to the temperature the washing water is washed differently.

Even though the preferred embodiments of it is understood that that the The present invention is not limited to these preferred embodiments limited should be, but by a professional various changes and modifications within the spirit and scope of the present Invention can be made which is claimed below.

Claims (14)

Method of washing laundry, which is a washing machine used a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry is arranged, the method comprising the steps: a) Sampling a temperature of a wash water, which is the outer tub supplied becomes; and b) controlling the intensity of the washing of the laundry according to the scanned Temperature of the washing water. The method of claim 1, wherein the intensity of the washing controlled inversely proportional to the temperature of the wash water becomes. The method of claim 1, wherein in step b) a Season according to the temperature the washing water is detected, and the intensity of washing the laundry according to the established Season is controlled. Method according to claim 1, wherein in step b) at least one of a rotational speed and a rotational time of the inner tub is controlled according to the temperature of the washing water. The method of claim 4, wherein in step b) the Rotation speed of an inner vat inversely proportional is controlled to the temperature of the wash water. The method of claim 4, wherein in step b) the Rotational time of the inner vat inversely proportional to the temperature the washing water is controlled. Method of washing laundry, which is a washing machine used a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry is arranged, the method comprising the steps: a) Scanning the laundry volume, which is placed in the inner vat; b) supplying washing water to the laundry; c) Sensing a temperature of the supplied wash water; and d) Controlling the intensity of washing the laundry, which according to the scanned Volume by considering a season, the according to the scanned Temperature of the wash water is detected. Method of washing laundry, which is a washing machine used a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry is arranged, the method comprising the steps: a) Respectively of washing water for washing; b) Sensing a temperature of the supplied wash water; and c) Determine if the laundry thick or thin is, according to the temperature of the washing water. The method of claim 8, further comprising the step having: d) sampling the volume of the laundry prior to step a); and e) Washing the laundry based on the volume and the determination of step c). The method of claim 8, wherein in step c) a Season according to the temperature Washing water is detected and according to the season detected it is determined if the laundry is thick or thin is. Method of washing laundry, which is a washing machine used a housing with a laundry supply to Insert the laundry, an outer tub, in the case is arranged for storage of wash water, and an inner vat in the outer tub for turning the laundry is arranged, the method comprising the steps: a) Scanning the laundry volume, which is placed in the inner vat; b) supplying washing water to the laundry; c) Sensing a temperature of the wash water, which is the outer tub supplied becomes; and d) controlling at least one of a rotational speed and a rotation time of an inner tub that is in accordance with the scanned Volume can be decided, according to the temperature of the washing water. The method of claim 11, wherein in step d) the rotation speed of the inner vat is inversely proportional is controlled to the temperature of the wash water. The method of claim 11, wherein in step d) the rotation time of the inner vat is inversely proportional to one Temperature of the wash water is controlled. Apparatus for washing laundry, the facilities for Carry out of the method defined in any one of claims 1 to 13.