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washing machine

A technology for washing machines and laundry, applied in the field of washing machines, can solve the problems of less water and detergent usage, weaker washing effect, poor decontamination effect of laundry, etc., and achieves the effect of promoting penetration and improving decontamination effect.

Active Publication Date: 2017-05-10
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] When the drum type washing machine as above is compared with the vertical washing machine in which the laundry is agitated with the washing water in the vertically placed washing tub, it has the advantage of using less water and detergent. On the one hand, especially when the amount of laundry is large, the patting effect is weakened, so there is a disadvantage that the decontamination effect of the laundry is not good

Method used

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Experimental program
Comparison scheme
Effect test

Embodiment approach 1

[0037] In the washing machine of this embodiment, in the washing process, the motor is controlled to rotate the laundry at a low tumbling speed in the rotary drum, and then the motor is controlled to rotate the laundry at a high tumbling speed in the rotary drum. Among them, the large tumbling refers to the situation that the laundry in the rotary drum is lifted to the upper part of the rotary drum and then falls down. The rotation angle of the laundry at the time of large tumbling is, for example, not less than 90 degrees and not more than 180 degrees. The small tumbling refers to the situation that the laundry in the rotary drum is lifted to a lower position than that of the large tumbling and then falls. The rotation angle of the laundry at the time of small tumbling is, for example, less than 90 degrees. One embodiment of the washing machine of the present invention will be described with reference to the drawings.

[0038] (Structure of washing machine 1)

[0039] fi...

Embodiment approach 2

[0106] The washing machine of this embodiment is different from the above-mentioned embodiments in the following aspects: In the washing process, the motor is controlled to rotate the laundry at a rotational speed of large tumbling, and then the motor is controlled to make the laundry stick to the surrounding wall of the rotating drum. speed to rotate. Another embodiment of the washing machine of the present invention will be described with reference to the drawings. In addition, since the components of the washing machine 1 described in Embodiment 1 and steps 1 to 7 performed by the washing machine 1 are the same in the washing machine 1 of the present embodiment, description thereof will be omitted.

[0107] (Operation and effect of washing machine 1)

[0108] Figure 10 It is a flowchart of the washing process performed by the washing machine 1 . When a predetermined time has elapsed since the medium-speed rotary washing was started (YES in S8), the operation control uni...

Embodiment approach 3

[0120] The washing machine of this embodiment differs from the above-mentioned embodiments in that the motor is controlled to rotate the laundry at a high tumbling speed while the laundry is rotating at a small tumbling speed during the washing process. Another embodiment of the washing machine of the present invention will be described with reference to the drawings. In addition, since the components of the washing machine 1 described in the first embodiment and steps 1 to 9 performed by the washing machine 1 are the same as those of the washing machine 1 of the present embodiment, description thereof will be omitted.

[0121] (Operation and effect of washing machine 1)

[0122] Figure 13 It is a timing chart showing the operation of rotary drum 4 in the washing process performed by washing machine 1 . In addition, the washing machine 1 of the present embodiment is based on the above-mentioned Figure 7 The washing machine performs the washing process according to the flo...

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PUM

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Abstract

Provided is a washing machine capable of promoting penetration of washing water into laundry and improving the decontamination effect of laundry. The above-mentioned washing machine is equipped with: a washing drum, which is supported in the outer box in an inclined horizontal or horizontal posture; a rotating drum (4), which is rotatably supported in the washing drum; a motor (5), which rotates the rotating drum (4). drive; the control unit (14), which controls the drive of the motor (5); and the resistance adding unit (64), which applies frictional resistance to the laundry falling in the rotary drum (4), and the control unit controls the motor during the washing process (5) to make the laundry perform small tumbling in the rotary drum, and then control the motor (5) to make the laundry tumbling in the rotary drum.

Description

technical field [0001] The invention relates to a washing machine, in particular to a washing machine in which a washing tub and a rotating drum are supported inside an outer box in a horizontal or oblique horizontal posture. Background technique [0002] In recent years, drum-type washing machines in which a bottomed cylindrical washing tub and a rotating drum are supported in a horizontal or oblique horizontal posture inside an outer casing have become popular. In the washing process of the drum-type washing machine, the laundry thrown into the rotary drum is repeatedly lifted and dropped by the rotary drum while part of it is immersed in the washing water stored at the bottom of the washing tub and the bottom of the rotary drum. It is slapped by the inner surface of the rotating drum to perform pat washing. [0003] Comparing the drum-type washing machine as above with a vertical washing machine in which laundry is agitated with washing water in a vertically placed washi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F33/02D06F23/02D06F23/06D06F37/10D06F33/34
CPCD06F39/14D06F35/005D06F2103/18D06F2105/02D06F33/34
Inventor 下口浩二
Owner SHARP KK