JP2003340188A - Drum type washer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To improve cleaning performance, and to shorten washing time by quickly and excellently dissolving detergent in a washing process, and by having washing water quickly and uniformly soak in the whole wash in a drum type washer that successively controls respective processes such as washing, rinsing and dehydration in a rotary drum rotatably arranged in the almost horizontal direction. <P>SOLUTION: The rotary drum is contained in a water receiving tube elastically supported by a washer body, and is rotatably arranged. The rotary drum is driven by a motor 5. Water is supplied in the water receiving tube by a feed valve 11. A water level of supply water in the water receiving tube is detected by a water level detecting means 12. A control means 22 successively controls a series of processes of washing, rising, dehydration and drying by controlling operation of the motor 5. The control means 22 supplies the water in the water receiving tube by the washing process, and rotates the rotary drum for a prescribed time at a rotating speed of a degree of sticking the wash to an inner wall of the rotary drum when the water level detecting means 12 detects a prescribed water level. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drum type washing machine for sequentially controlling steps such as washing, rinsing, and dehydrating in a rotary drum rotatably arranged in a substantially horizontal direction.

[0002]

2. Description of the Related Art Conventionally, this type of drum type washing machine has been constructed as shown in FIGS. The configuration will be described below.

As shown in FIGS. 6 and 7, the rotary drum 1 is provided with a large number of water passage holes 2 on its outer peripheral surface and is rotatably arranged in a water receiving tank 3. A motor 5 connected to one end of a rotary shaft 4 provided in a substantially horizontal direction at the center of rotation of the rotary drum 1 drives the rotary drum 1 to rotate. Several protrusion plates 6 are provided on the inner wall surface of the rotary drum 1.

The water receiving tub 3 is suspended from a washing machine main body 7 by a spring 8 so as to be swingable. One end of a drain hose 9 is connected to the lower part of the water receiving tub 3 and the other end of the hose 9 is drained. The washing water in the water receiving tank 3 is drained by being connected to the pump 10. The water supply valve 11 supplies water into the water receiving tank 3. The water level detecting means 12 detects the water level in the water receiving tank 3.

The control device 13 has a control means 14 composed of a microcomputer, and controls the operations of the motor 5, the drainage pump 9, the water supply valve 11 and the like via the power switching means 15 to wash, rinse, dehydrate, etc. The sequence of steps is sequentially controlled. The input setting means 16 sets a driving course and the like, and the control means 14 inputs information from the input setting means 16 and displays it on the display means 17 based on the information to notify the user. The storage unit 18 includes the control unit 15
It stores the data required for control by. Incidentally, 19 is a commercial power source, and 20 is a power switch.

The operation of the washing process in the above structure will be described. The laundry and the detergent are put into the rotary drum 1, and the power source,
When a start button (not shown) is pressed to start the washing process, the water supply valve 11 operates to supply water, and the water level detection means 12
When the predetermined water level N1 is detected by, the motor 6 is driven. Further, when a predetermined water level N2 (equal to or more than N1) is detected, the water supply is stopped.

In the washing process, since the laundry contains water, the rotary drum 1 is normally rotated, stopped, or reversed at a predetermined rotation speed and a predetermined time by the motor 5 while supplying water.
When it is stopped and driven, the laundry in the rotary drum 1 is caught by the projecting plate 6, is lifted, and drops onto the water surface. When the washing process is completed, the drainage pump 10 operates to drain the washing water in the water receiving tub 3.

[0008]

In such a conventional structure, the detergent introduced into the rotary drum 1 in the washing process is dissolved only by the normal rotation, stop, reversal and stop driving of the rotary drum 1. Was there.

For this reason, in a drum type washing machine with a small amount of water supply, it took time to dissolve the detergent and to uniformly contain the washing water in the laundry. In particular, when using a powder detergent, when the water supply temperature is low, when the amount of detergent is large, or when there is a lot of laundry, it takes a long time to wash or is one of the causes of poor washing performance. .

The present invention is intended to solve the above problems. In the washing process, the detergent is dissolved quickly and well, and the washing water is quickly and uniformly included in the entire laundry to improve the washing performance and shorten the washing time. The purpose is to do.

[0011]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a water drum which is elastically supported by a main body of a washing machine, and rotatably disposes the drum in a water receiving tank. Driven by the water supply means to supply water to the water receiving tank by the water supply means, the water level detecting means detects the water supply water level in the water receiving tank, and the control means controls the operation of the motor to perform a series of washing, rinsing, dehydration and drying. The control means supplies water into the water receiving tank in the washing step, and when the water level detecting means detects a predetermined water level, the rotating drum sticks the laundry to the inner wall of the rotating drum. The number of rotations is set to rotate for a predetermined time.

As a result, the detergent can be quickly and well dissolved in the washing process, and the washing water can be quickly and uniformly included in the entire laundry, so that the washing performance can be improved and the washing time can be shortened. it can.

[0013]

BEST MODE FOR CARRYING OUT THE INVENTION The invention according to claim 1 of the present invention includes a water receiving tank which is elastically supported by a washing machine body, a rotary drum which is included in the water receiving tank and is rotatably disposed. A motor for driving the rotating drum, a water supply means for supplying water into the water receiving tank, a water level detecting means for detecting a water supply water level in the water receiving tank, and a washing, rinsing, and dehydrating operation controlling the operation of the motor. And a control means for sequentially controlling a series of drying steps, wherein the control means supplies water into the water receiving tank in a washing step, and when the predetermined water level is detected by the water level detecting means, the rotating drum is The laundry is to be rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum, and in the washing process, the laundry and the detergent are put into the rotating drum, and after water is supplied to a predetermined water level, Laundry rotating drum Because rotated a predetermined time at a rotational speed of extent that stick to the inner wall, the detergent solution is agitated cause convection in a rotating drum and water receiving tank by centrifugal force, it can be dissolved quickly detergent. In addition, since the washing liquid is sprinkled on the entire laundry, the washing water can be quickly and evenly included, the washing performance can be improved, and the washing time can be shortened.

According to a second aspect of the present invention, in the first aspect of the present invention, a water temperature detecting means for detecting the water temperature in the rotary drum is provided, and the water temperature in the rotary drum is predetermined by the water temperature detecting means. When it is detected that the temperature is lower than the water temperature, the rotation time of the rotating drum is set to be longer than at least the rotation time of the predetermined water temperature. When the rotary drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotary drum after the water has been supplied up to the specified time and the water temperature in the rotary drum is low and the detergent is difficult to dissolve, the rotary drum rotation time is set to the predetermined value. Since it is longer than the time, the detergent liquid will be convected by the centrifugal force in the rotating drum and the water receiving tank to be agitated for a longer time, so that the detergent can be sufficiently dissolved and the cleaning performance can be improved. It can be improved.

According to a third aspect of the present invention, in the first aspect of the present invention, a water temperature detecting means for detecting the water temperature in the rotary drum is provided, and the water temperature in the rotary drum is predetermined by the water temperature detecting means. When the water temperature is detected to be lower than or equal to the water temperature, the rotation speed of the rotary drum is set to be higher than the rotation speed of at least a predetermined water temperature.In the washing process, laundry and detergent are put into the rotary drum to reach a predetermined water level. After water is supplied, when the rotating drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum, when the water temperature in the rotating drum is low and the detergent is difficult to dissolve, the rotation speed of the rotating drum is changed to the predetermined rotation speed. Since it is higher than the number, the detergent liquid causes convection in the rotating drum and the water receiving tank due to stronger centrifugal force, stirring becomes stronger, and the detergent can be better dissolved, improving the cleaning performance. Along with the kill, it is possible to shorten the washing time.

According to a fourth aspect of the present invention, in the first aspect of the present invention, water temperature detecting means for detecting the water temperature in the rotary drum is provided, and the water temperature in the rotary drum is predetermined by the water temperature detecting means. When it is detected that the temperature is equal to or higher than the water temperature, the rotation time of the rotating drum is made shorter than at least the rotation time of the predetermined water temperature. When the rotating drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum after the water has been supplied up to a certain time and the water temperature in the rotating drum is high and the detergent is easily dissolved, the rotating time of the rotating drum is set to the predetermined value. Since the time is shorter than the time, the detergent liquid is convective in the rotating drum and the water receiving tank due to the centrifugal force, and the stirring time is shortened. It is time shortening of laundry by eliminating the rolling time.

According to a fifth aspect of the present invention, in the first aspect of the present invention, there is provided a detergent amount detecting means for detecting the amount of detergent charged in the rotary drum, and the detergent amount detecting means detects the detergent amount. When it is detected that a predetermined amount or more, the rotation time of the rotary drum is made longer than at least a predetermined amount of rotation time. After supplying water to the water level, when rotating the rotating drum for a predetermined time at a rotation speed that allows the laundry to stick to the inner wall of the rotating drum, if the amount of detergent put in the rotating drum is large and the detergent is difficult to dissolve, the rotating drum Since the rotation time of is longer than the predetermined time, the detergent liquid causes convection in the rotating drum and the water receiving tank due to the centrifugal force and the stirring time also becomes longer, and the detergent can be better dissolved. It is possible to improve the purification performance,
The washing time can be shortened.

According to a sixth aspect of the present invention, in the first aspect of the present invention, a detergent amount detecting means for detecting the amount of detergent to be put into the rotary drum is provided, and the detergent amount is detected by the detergent amount detecting means. When the number of rotations of the rotary drum is detected to be higher than a predetermined amount, the number of rotations of the rotary drum is increased to at least a predetermined amount of rotation. When the rotary drum is rotated for a predetermined period of time at a rotation speed such that the laundry sticks to the inner wall of the rotary drum after water has been supplied until the amount of detergent put in the rotary drum is large and the detergent is difficult to dissolve, Since the rotation speed is higher than the specified speed, the detergent liquid causes convection in the rotating drum and the water receiving tank due to stronger centrifugal force, and the stirring becomes stronger, so that the detergent can be better dissolved and washed. It is possible to improve the performance, it is possible to shorten the washing time.

According to a seventh aspect of the present invention, in the above-described first aspect of the present invention, a detergent amount detecting means for detecting the amount of detergent to be put into the rotary drum is provided, and the detergent amount is detected by the detergent amount detecting means. When it is detected to be less than a predetermined amount, the rotation time of the rotary drum is made shorter than at least a predetermined amount of rotation time, and laundry and detergent are put into the rotary drum in the washing process and water is supplied to a predetermined water level. After that, when rotating the rotating drum for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum, if the amount of detergent put in the rotating drum is small and the detergent easily dissolves, the rotating time of the rotating drum is reduced. Since the time is shorter than the predetermined time, it is possible to shorten the washing time by omitting unnecessary rotation time.

According to an eighth aspect of the present invention, in the above-mentioned first aspect, a cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and the rotating drum is detected by the cloth amount detecting means. When the amount of laundry in the inside is detected to be a predetermined amount or more, the rotation time of the rotary drum is made longer than at least the predetermined amount of rotation time, and the laundry and the detergent are put into the rotary drum in the washing process. When the rotating drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum after supplying water to a predetermined water level, the amount of the laundry put in the rotating drum is large and the washing water is uniform. When it is difficult to contain the detergent liquid, the rotation time of the rotating drum is set longer than a predetermined time, so that the detergent liquid causes convection in the rotating drum and the water receiving tank due to centrifugal force and is agitated for a longer time, so that the detergent liquid is more evenly distributed. Washing Can be included, it is possible to improve the cleaning performance.

According to a ninth aspect of the present invention, in the first aspect of the present invention, a cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and the rotating drum is detected by the cloth amount detecting means. When the amount of laundry in the inside is detected to be a predetermined amount or more, the number of rotations of the rotary drum is set to be higher than at least a predetermined amount of rotations. When the rotary drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotating drum after being supplied and supplied to a predetermined water level, the amount of the laundry put in the rotating drum is large and uniform. When it is difficult to contain the washing water, the rotation speed of the rotating drum is raised above the predetermined rotation speed, so that the detergent liquid causes convection in the rotating drum and the water receiving tank due to the stronger centrifugal force, and the stirring becomes stronger.
You can add laundry water to the laundry more evenly and quickly,
The cleaning performance can be improved and the washing time can be shortened.

The invention according to claim 10 is the above-mentioned claim 1.
In the invention described in (1), a cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and by the cloth amount detecting means,
When the amount of laundry in the rotating drum is detected to be less than or equal to a predetermined amount, the rotation time of the rotating drum is made shorter than at least a predetermined amount of rotation time. When the rotary drum is rotated for a predetermined time at a rotation speed such that the laundry sticks to the inner wall of the rotary drum, the amount of the laundry put into the rotary drum is small and uniform. When the washing water is apt to be contained in, the rotation time of the rotating drum is made shorter than the predetermined time, so that the detergent liquid causes convection in the rotating drum and the water receiving tank due to centrifugal force, and the stirring time is also shortened.
By eliminating unnecessary rotation time, washing time can be shortened.

[0023]

Embodiments of the present invention will be described below with reference to the drawings. The same components as those in the conventional example are designated by the same reference numerals and the description thereof will be omitted.

(Embodiment 1) As shown in FIGS. 1 and 2, the control device 21 has a control means 22 composed of a microcomputer, and a motor 5, a drainage pump 9, a water supply via a power switching means 15. Valve (water supply means) 11
And the like to sequentially control a series of steps such as washing, rinsing, and dehydrating.

Here, the control means 22 supplies water into the water receiving tub 3 during the washing process, and when the water level detecting means 12 detects a predetermined water level, the rotary drum 1 is rotated by the laundry 1
The rotation speed is such that it sticks to the inner wall of the machine for a predetermined time.

The operation of the washing process in the above structure will be described. When laundry and detergent are put into the rotary drum 1 and the washing process is started, the water supply valve 11 operates to supply water, and passes through the detergent supply case (not shown) to enter the water receiving tank 3 together with the detergent. When the water level detector 12 detects a predetermined water level N1, the motor 5 is driven. When a predetermined water level N2 (equal to or more than N1) is detected, water supply is stopped. At this time, when a predetermined water level N3 (equal to or less than N2) is detected, a predetermined rotation time T1 (for example, 200 r / min) is set at a rotation speed S1 (for example, 200 r / min) at which the laundry sticks to the inner wall of the rotation drum 1. Rotate for 2 minutes) and perform the detergent dissolution process.

After that, while the laundry contains water, the rotary drum 1 is normally rotated, stopped, reversed, and stopped at a predetermined rotation speed and a predetermined time by the motor 6 while replenishing water, and the rotary drum 1 is rotated. The laundry is caught on the protrusion plate 6, is lifted, and falls onto the water surface. When the washing process is completed, the drainage pump 10 operates to drain the washing water in the water receiving tub 3.

By the above-mentioned detergent dissolving process, the detergent liquid is agitated by convection in the rotating drum 1 and the water receiving tank 3 due to the centrifugal force, so that the detergent can be quickly dissolved. In addition, since the washing liquid is sprinkled on the entire laundry, the washing water can be quickly and evenly included, the washing performance can be improved, and the washing time can be shortened.

(Embodiment 2) As shown in FIG. 3, the water temperature detecting means 23 detects the water temperature in the rotary drum 1.
The output is input to the control means 25 provided in the control device 24. The control means 25 is configured such that, when the water temperature detecting means 23 detects that the water temperature in the rotating drum 1 is equal to or lower than the predetermined water temperature, the rotation time of the rotating drum 1 in the detergent dissolving step is at least longer than the rotation time of the predetermined water temperature. ing. Other configurations are the same as those in the first embodiment, and the same reference numerals are given and the description thereof is omitted.

The operation of the above configuration will be described. The control means 25 controls the water temperature in the rotary drum 1 by the water temperature detection means 23 to a predetermined water temperature A1 (eg 10
(° C) or less, the rotation time of the rotary drum 1 is longer than a predetermined rotation time T1 (2 minutes) (for example, 3 minutes).
Control to do.

Thus, when the water temperature in the rotary drum 1 is low and the detergent is difficult to dissolve, the rotation time of the rotary drum 1 is set longer than the predetermined rotation time T1 so that the detergent liquid is centrifugally separated from the water by the centrifugal force. The time for causing convection in the receiving tank 3 and stirring is prolonged, the detergent can be sufficiently dissolved, and the cleaning performance can be improved.

(Embodiment 3) The control means 25 shown in FIG.
When the water temperature detecting means 23 detects the water temperature in the rotary drum 1 to be equal to or lower than the predetermined water temperature, the rotation speed of the rotary drum 1 in the detergent dissolving step is set to be higher than at least the predetermined water temperature. The other structure is the same as that of the second embodiment.

The operation of the above configuration will be described. In the detergent dissolving process, the control unit 25 controls the water temperature detecting unit 23 to set the water temperature in the rotating drum 1 to a predetermined water temperature A1 (for example, 10 ° C.).
When the following is detected, the rotation speed of the rotary drum 1 is raised above a predetermined rotation speed S1 (200 r / min) (for example, 30 rpm).
0 r / min).

As a result, when the water temperature in the rotary drum 1 is low and the detergent is difficult to dissolve, the rotation speed of the rotary drum 1 is increased above a predetermined rotation speed S1 so that the detergent liquid is separated from the rotary drum 1 by a stronger centrifugal force. Convection occurs in the water receiving tank 3, stirring becomes stronger, the detergent can be better dissolved, the cleaning performance can be improved, and the washing time can be shortened.

(Embodiment 4) The control means 25 shown in FIG.
When the water temperature detecting means 23 detects that the water temperature in the rotary drum 1 is equal to or higher than the predetermined water temperature, the rotation time of the rotary drum 1 in the detergent dissolving process is at least shorter than the rotation time of the predetermined water temperature. Other configurations are the same as those in the second embodiment.
Is the same as.

The operation of the above configuration will be described. In the control means 25, the water temperature detection means 23 controls the water temperature in the rotary drum 1 to a predetermined water temperature A2 (for example, 25 ° C.) in the detergent dissolving process.
When the above is detected, the rotation time of the rotary drum 1 is controlled to be shorter (for example, 1 minute) than the predetermined rotation time T1 (2 minutes).

Thus, when the water temperature in the rotary drum 1 is high and the detergent is easily dissolved, the rotation time of the rotary drum 1 is set shorter than the predetermined rotation time T1 so that the detergent liquid is centrifugally separated from the water by the centrifugal force. Convection in the receiving tub 3 causes agitation time to be shortened, too much foaming of the detergent can be prevented, and washing time can be shortened by eliminating unnecessary rotation time.

(Embodiment 5) As shown in FIG. 4, the detergent amount detecting means 26 detects the amount of detergent to be put into the rotary drum 1, and its output is sent to the control means 28 provided in the control device 27. You are typing. The control unit 28 is configured to make the rotation time of the rotary drum 1 in the detergent dissolution process longer than at least the predetermined amount of rotation time when the detergent amount detection unit 26 detects the detergent amount of a predetermined amount or more. Other configurations are the same as those in the first embodiment, and the same reference numerals are given and the description thereof is omitted.

The operation of the above configuration will be described. The control means 28 detects the amount of detergent 26 in the detergent dissolving process.
When the amount of detergent in the rotating drum 1 is detected to be equal to or more than the predetermined detergent amount B1 (for example, 40 g), the rotation time of the rotating drum 1 is longer than the predetermined rotation time T1 (for 2 minutes) (for example, 3
Control).

As a result, when the amount of detergent introduced into the rotary drum 1 is large and the detergent is difficult to dissolve, the rotation time of the rotary drum 1 is made longer than the predetermined rotation time T1 so that the detergent liquid is rotated by centrifugal force. The time for causing convection in the drum 1 and the water receiving tank 3 to be agitated becomes longer, the detergent can be better dissolved, the cleaning performance can be improved, and the washing time can be shortened.

(Embodiment 6) The control means 28 shown in FIG.
When the detergent amount detecting means 26 detects that the detergent amount is equal to or more than a predetermined amount, the rotation number of the rotary drum 1 in the detergent dissolving process is increased at least above the predetermined amount. The other structure is the same as that of the fifth embodiment.

The operation of the above configuration will be described. The control means 28 detects the amount of detergent 26 in the detergent dissolving process.
When it is detected that the amount of detergent in the rotating drum 1 is equal to or more than the predetermined detergent amount B1 (for example, 40 g), the rotation speed of the rotating drum 1 is increased above the predetermined rotation speed S1 (200 r / min) (for example, 300 r / min). Control.

As a result, when the amount of detergent introduced into the rotary drum 1 is large and the detergent is difficult to dissolve, the rotational speed of the rotary drum 1 is increased above a predetermined rotational speed S1 so that the detergent liquid has a stronger centrifugal force. Since convection occurs in the rotating drum 1 and the water receiving tub 3 and agitation becomes strong, the detergent can be better dissolved, the cleaning performance can be improved, and the washing time can be shortened.

(Embodiment 7) The control means 28 shown in FIG.
When the detergent amount detecting means 26 detects that the detergent amount is less than or equal to a predetermined amount, the rotation time of the rotary drum 1 in the detergent dissolving process is set to be at least shorter than the predetermined amount of rotation time. The other structure is the same as that of the fifth embodiment.

The operation of the above configuration will be described. The control means 28 detects the amount of detergent 26 in the detergent dissolving process.
When the amount of detergent in the rotary drum 1 is detected to be equal to or less than the predetermined detergent amount B2 (for example, 20 g), the rotation time of the rotary drum 1 is shorter than the predetermined rotation time T1 (for 2 minutes) (for example, 1
Control).

Thus, when the amount of detergent introduced into the rotary drum 1 is small and the detergent is easily dissolved, the rotation time of the rotary drum 1 is set shorter than the predetermined rotation time T1 to save unnecessary rotation time. In addition, the washing time can be shortened.

(Embodiment 8) As shown in FIG. 5, the cloth amount detecting means 29 detects the amount of laundry in the rotary drum 1, and outputs its output to the control means 31 provided in the control device 30. You are typing. When the amount of laundry in the rotating drum 1 is detected by the cloth amount detecting unit 29 to be equal to or larger than a predetermined amount, the control unit 31 makes the rotation time of the rotating drum 1 in the detergent dissolving process longer than at least the predetermined amount of rotation time. Is configured as follows. Other configurations are the same as those in the first embodiment, and the same reference numerals are given and the description thereof is omitted.

The operation of the above configuration will be described. When the amount of laundry in the rotary drum 1 is detected to be a predetermined amount C1 (for example, 6 kg) or more by the cloth amount detecting unit 29 in the detergent dissolving process, the control unit 31 sets the rotation time of the rotary drum 1 to the predetermined rotation time. Longer than T1 (2 minutes) (eg 3
Control).

As a result, when the amount of laundry put into the rotating drum 1 is large and it is difficult to uniformly contain the washing water, the rotation time of the rotating drum 1 is set longer than the predetermined rotation time T1 to remove the detergent liquid. The centrifugal force causes convection in the rotating drum 1 and the water receiving tub 3 to be agitated for a longer time, so that the detergent liquid can be more uniformly contained in the laundry.
The cleaning performance can be improved.

(Embodiment 9) The control means 31 shown in FIG.
When the amount of laundry in the rotary drum 1 is detected by the cloth amount detecting means 29 to be greater than or equal to a predetermined amount, the rotation speed of the rotating drum 1 in the detergent dissolving process is increased to at least a predetermined speed. The other structure is the same as that of the eighth embodiment.

The operation of the above configuration will be described. When the amount of laundry in the rotary drum 1 is detected to be a predetermined amount C1 (for example, 6 kg) or more by the cloth amount detecting unit 29 in the detergent dissolving process, the control unit 31 sets the rotation speed of the rotary drum 1 to the predetermined rotation speed. The control is performed so as to be higher than S1 (200 r / min) (for example, 300 r / min).

As a result, when the amount of laundry put into the rotating drum 1 is large and it is difficult to uniformly contain the washing water, the rotating speed of the rotating drum 1 is increased above a predetermined rotating speed S1 to remove the detergent liquid. Rotating drum 1 due to stronger centrifugal force
And because convection occurs in the water receiving tank 3 and stirring becomes stronger,
You can add laundry water to the laundry more evenly and quickly,
The cleaning performance can be improved and the washing time can be shortened.

(Embodiment 10) Control means 31 shown in FIG.
When the laundry amount detecting means 29 detects that the amount of laundry in the rotating drum 1 is less than or equal to a predetermined amount, the rotating time of the rotating drum 1 in the detergent dissolving process is set to be shorter than at least a predetermined amount of rotating time. The other structure is the same as that of the eighth embodiment.

The operation of the above configuration will be described. When the amount of laundry in the rotary drum 1 is detected to be equal to or less than the predetermined amount C2 (for example, 2 kg) by the cloth amount detection unit 29, the control unit 31 determines the rotation time of the rotary drum 1 to be the predetermined rotation time in the detergent dissolving process. It is controlled to be shorter than T1 (for example, 1 minute).

Thus, when the amount of laundry put in the rotating drum 1 is small and the washing water is likely to be uniformly contained, the rotating time of the rotating drum 1 is set shorter than the predetermined rotating time T1 to remove the detergent liquid. The centrifugal force causes convection in the rotating drum 1 and the water receiving tub 3 to be agitated for a shorter time, and by omitting an unnecessary rotation time, the washing time can be shortened.

[0056]

As described above, according to the invention described in claim 1 of the present invention, the water receiving tub elastically supported by the main body of the washing machine, and the water receiving tub which is contained in the water receiving tub and is rotatably disposed. A rotating drum, a motor for driving the rotating drum, a water supply means for supplying water into the water receiving tank, a water level detecting means for detecting a water level of the water in the water receiving tank, and washing by controlling the operation of the motor, Rinse, dehydration, comprising a control means for sequentially controlling a series of steps of drying, the control means, when supplying water into the water receiving tank in the washing step, when the predetermined water level is detected by the water level detecting means, Since the rotating drum is rotated for a predetermined time at a rotation speed such that the laundry adheres to the inner wall of the rotating drum, the detergent liquid is agitated by convection in the rotating drum and the water receiving tank due to centrifugal force. It can dissolve quickly. In addition, since the washing liquid is sprinkled on the entire laundry, the washing water can be quickly and evenly included, the washing performance can be improved, and the washing time can be shortened.

According to the second aspect of the present invention, the water temperature detecting means for detecting the water temperature in the rotating drum is provided, and when the water temperature detecting means detects the water temperature in the rotating drum is equal to or lower than a predetermined water temperature. Since the rotation time of the rotating drum is made longer than at least the rotation time of the predetermined water temperature, when the water temperature in the rotation drum is low and the detergent is difficult to dissolve, the rotation time of the rotation drum is set longer than the predetermined time. The detergent liquid causes convection in the rotating drum and the water receiving tank due to the centrifugal force and is agitated for a longer time, so that the detergent can be sufficiently dissolved and the cleaning performance can be improved.

According to the third aspect of the present invention, the water temperature detecting means for detecting the water temperature in the rotating drum is provided, and when the water temperature detecting means detects the water temperature in the rotating drum is equal to or lower than a predetermined water temperature. Since the rotation speed of the rotating drum is set to be higher than at least the predetermined rotation speed of the water temperature, when the water temperature in the rotation drum is low and the detergent is difficult to dissolve, the rotation speed of the rotation drum is increased above the predetermined rotation speed. Due to the stronger centrifugal force of the liquid, convection occurs in the rotating drum and the water receiving tank, stirring becomes stronger, the detergent can be better dissolved, and the cleaning performance can be improved.
The washing time can be shortened.

According to the invention of claim 4, water temperature detecting means for detecting the water temperature in the rotary drum is provided, and when the water temperature detecting means detects the water temperature in the rotary drum is equal to or higher than a predetermined water temperature. Since the rotation time of the rotating drum is made shorter than at least the rotation time of the predetermined water temperature, when the water temperature in the rotation drum is high and the detergent is easily dissolved, the rotation time of the rotation drum is made shorter than the predetermined time. Centrifugal force causes convection in the rotating drum and the water receiving tub due to centrifugal force, which shortens the stirring time, prevents excessive foaming of the detergent, and shortens the washing time by eliminating unnecessary rotation time.

According to the fifth aspect of the present invention, a detergent amount detecting means for detecting the amount of detergent charged in the rotary drum is provided, and the detergent amount detecting means detects the detergent amount as a predetermined amount or more. At this time, since the rotation time of the rotating drum is configured to be longer than at least a predetermined amount of rotation time, when the amount of detergent put in the rotating drum is large and the detergent is difficult to dissolve, the rotation time of the rotating drum is set to a predetermined time. Since the detergent liquid is made longer, the centrifugal force causes convection in the rotating drum and the water receiving tank to be agitated for a longer time, so that the detergent can be better dissolved, the cleaning performance can be improved, and the washing time can be improved. It can be shortened.

According to the sixth aspect of the present invention, a detergent amount detecting means for detecting the amount of detergent charged in the rotary drum is provided, and the detergent amount detecting means detects the detergent amount as a predetermined amount or more. At this time, since the rotation speed of the rotary drum is set to be higher than at least a predetermined rotation speed, the rotation speed of the rotation drum is set to a predetermined rotation speed when the detergent amount in the rotation drum is large and the detergent is difficult to dissolve. In order to raise it further, the detergent liquid causes convection in the rotating drum and the water receiving tank due to the stronger centrifugal force, and the stirring becomes stronger, so that the detergent can be better dissolved, the cleaning performance can be improved, and the washing time can be improved. It can be shortened.

Further, according to the invention described in claim 7, there is provided a detergent amount detecting means for detecting the amount of detergent charged in the rotary drum, and the detergent amount detecting means detects the detergent amount to be a predetermined amount or less. At this time, the rotation time of the rotary drum is made shorter than at least the predetermined amount of rotation time. Therefore, when the amount of detergent put in the rotation drum is small and the detergent is easily dissolved, the rotation time of the rotation drum is made shorter than the predetermined time. By eliminating unnecessary rotation time, washing time can be shortened.

Further, according to the invention described in claim 8, the cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and the amount of laundry in the rotating drum is detected by the cloth amount detecting means. Is detected as a predetermined amount or more, the rotation time of the rotary drum is set to be longer than at least a predetermined amount of rotation time. Therefore, when the amount of laundry put into the rotary drum is large and uniform washing water is difficult to be contained, Since the rotating time of the rotating drum is longer than the specified time, the detergent liquid causes convection in the rotating drum and the water receiving tank due to centrifugal force and is agitated for a longer time, so that the detergent liquid is more uniformly contained in the laundry. The cleaning performance can be improved.

According to a ninth aspect of the present invention, there is provided a cloth amount detecting means for detecting the amount of laundry in the rotating drum, and the cloth amount detecting means allows the amount of laundry in the rotating drum to be detected. Is detected as being equal to or more than a predetermined amount, the number of rotations of the rotating drum is set to be higher than at least a predetermined amount of rotation, so that the amount of laundry put in the rotating drum is large and it is difficult to uniformly contain the washing water. Occasionally, since the rotation speed of the rotating drum is raised above a predetermined speed, the detergent liquid causes convection in the rotating drum and the water receiving tank due to stronger centrifugal force, and stirring is also strengthened. Can be included, so that the cleaning performance can be improved and the washing time can be shortened.

According to the invention described in claim 10,
The cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and when the amount of laundry in the rotating drum is detected to be less than a predetermined amount, the rotation time of the rotating drum is determined. Since the rotating time of the rotating drum is at least shorter than the predetermined amount, when the amount of laundry put into the rotating drum is small and the washing water is likely to be uniformly contained, the rotating time of the rotating drum is made shorter than the predetermined time. Centrifugal force causes convection in the rotary drum and the water receiving tank to shorten the time for stirring, and by omitting unnecessary rotation time, the washing time can be shortened.

[Brief description of drawings]

FIG. 1 is a block circuit diagram of a drum type washing machine according to a first embodiment of the present invention.

FIG. 2 is a sectional view of the drum type washing machine.

FIG. 3 is a block circuit diagram of a drum type washing machine according to a second embodiment of the present invention.

FIG. 4 is a block circuit diagram of a drum type washing machine according to a fifth embodiment of the present invention.

FIG. 5 is a block circuit diagram of a drum type washing machine according to an eighth embodiment of the present invention.

FIG. 6 is a sectional view of a conventional drum type washing machine.

FIG. 7 is a block circuit diagram of the drum type washing machine.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 rotating drum 3 water receiving tank 5 motor 7 washing machine main body 11 water supply valve (water supply means) 12 water level detection means 22 control means

   ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Takayuki Ishihara             1006 Kadoma, Kadoma-shi, Osaka Matsushita Electric             Sangyo Co., Ltd. F term (reference) 3B155 AA01 BB08 BB16 CA02 CA10                       CB06 GB08 HB09 KA12 KA19                       KA23 KA33 LA03 LB05 LB18                       LC08 LC28 MA02 MA08

Claims (10)

[Claims] 1. A water receiving tank elastically supported by a main body of a washing machine, a rotating drum contained in the water receiving tank and rotatably disposed, a motor for driving the rotating drum, and the inside of the water receiving tank. Water supply means for supplying water, a water level detection means for detecting the water supply water level in the water receiving tank, and a control means for controlling the operation of the motor and sequentially controlling a series of steps of washing, rinsing, dehydration and drying. The control means supplies water into the water receiving tub in the washing process, and when the water level detecting means detects a predetermined water level, the rotating drum rotates the rotating drum so that the laundry adheres to the inner wall of the rotating drum. A drum-type washing machine that can be rotated for a specified time. 2. A water temperature detecting means for detecting a water temperature in the rotating drum, wherein when the water temperature detecting means detects the water temperature in the rotating drum to be equal to or lower than a predetermined water temperature, the rotation time of the rotating drum is at least a predetermined water temperature. The drum type washing machine according to claim 1, wherein the drum type washing machine is configured to be longer than the rotation time. 3. A water temperature detecting means for detecting a water temperature in the rotating drum, wherein when the water temperature detecting means detects the water temperature in the rotating drum to be equal to or lower than a predetermined water temperature, the rotational speed of the rotating drum is at least a predetermined water temperature. The drum type washing machine according to claim 1, wherein the drum type washing machine is configured to be rotated at a speed higher than the number of rotations. 4. A water temperature detecting means for detecting a water temperature in the rotating drum is provided, and when the water temperature detecting means detects the water temperature in the rotating drum is equal to or higher than a predetermined water temperature, the rotation time of the rotating drum is at least a predetermined water temperature. The drum-type washing machine according to claim 1, wherein the drum-type washing machine is configured to be shorter than the rotation time. 5. A detergent amount detecting means for detecting the amount of detergent to be put into the rotary drum, the detergent amount detecting means comprising:
The drum type washing machine according to claim 1, wherein when the detergent amount is detected to be a predetermined amount or more, the rotation time of the rotary drum is set to be longer than at least a predetermined amount of rotation time. 6. A detergent amount detecting means for detecting the amount of detergent to be put into the rotary drum, wherein the detergent amount detecting means is provided.
The drum type washing machine according to claim 1, wherein when the detergent amount is detected to be equal to or more than a predetermined amount, the number of rotations of the rotary drum is set to be higher than at least a predetermined amount of rotations. 7. A detergent amount detecting means for detecting the amount of detergent to be put into the rotary drum, wherein the detergent amount detecting means comprises:
The drum type washing machine according to claim 1, wherein when the amount of detergent is detected to be less than or equal to a predetermined amount, the rotation time of the rotary drum is set to be shorter than at least a predetermined amount of rotation time. 8. A cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and when the amount of laundry in the rotating drum is detected to be a predetermined amount or more, the rotation is performed. The drum type washing machine according to claim 1, wherein the rotation time of the drum is longer than at least a predetermined amount of rotation time. 9. A cloth amount detecting means for detecting the amount of laundry in the rotating drum is provided, and when the amount of laundry in the rotating drum is detected to be a predetermined amount or more, the rotation is performed. The drum type washing machine according to claim 1, wherein the number of rotations of the drum is set to be higher than at least a predetermined number of rotations. 10. A cloth amount detecting means for detecting the amount of laundry in the rotating drum, wherein when the amount of laundry in the rotating drum is detected to be below a predetermined amount,
The drum type washing machine according to claim 1, wherein the rotation time of the rotary drum is at least shorter than a predetermined amount of rotation time.