Different load identifying dehydration control method

A control method and unified technology, applied to the control device of washing machine, washing device, textile and paper making, etc., can solve the problems of low passing rate, vibration, non-dehydration, etc.

Inactive Publication Date: 2012-05-16
WUXI LITTLE SWAN GENERAL APPLIANCE CO LTD
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Problems solved by technology

[0016] On this basis, if you encounter a single large piece of clothing, the pass rate is very low, and often all the number of attempts set in the program have been used up before passing, resulting in no dehydration in the end
If there are many pieces of large clothes, the large eccentricity will be judged as small eccentricity due to the large moment of inertia J value, which will cause noise and vibration of the washing machine, and may even damage the parts of the washing machine

Method used

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Embodiment Construction

[0084] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0085] The present invention presets several preset parameter values ​​to be used to deal with different clothes, and the preset parameter values ​​are introduced before starting to describe specific examples.

[0086] (1) Acceleration time, the time for accelerating from the clothes shaking speed to the first eccentricity detection speed. The acceleration time is divided into long acceleration time and short acceleration time. The long acceleration time is suitable for small clothes, and the short acceleration time is suitable for large clothes. In this example, the long acceleration time is 15 seconds, and the short acceleration time is 5 seconds.

[0087](2) The first speed variable preset value and the second speed variable preset value, and the speed variation comparison value at the first eccentricity detection spe...

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Abstract

The invention relates to a different load identifying dehydration control method. Different acceleration time is comprehensively applied, rotational inertia detection is carried out, the detection accuracy for clothes eccentricity is improved, and influence of the clothes amount on the eccentricity detection accuracy is eliminated; if clothes do not pass the detection at different eccentricity detection speeds, different acceleration time is adopted in a new trial, the passing rate is effectively improved, and the actual re-trial frequency is reduced; and single large clothes can be identified, and the problem that single large clothes cannot be dehydrated is solved by different control modes.

Description

technical field [0001] The invention relates to a dehydration control method for a drum washing machine, in particular to a dehydration control method for identifying different loads. Background technique [0002] Because the rotation axis of the drum washing machine is horizontal, the clothes are always distributed on the lower half of the drum under the action of gravity before entering the dehydration process. It will not be as convenient as the washing machine rotating around the vertical axis to distribute the clothes evenly. figure 1 It shows the laundry distribution process when the drum washing machine is dehydrating. First, the laundry falls on the lower half of the drum as figure 1 As shown in a; the dehydration program starts, the drum of the washing machine starts to rotate counterclockwise, and a part of the clothes begins to stick to the wall of the drum under the action of centrifugal force, while the other part whose gravity exceeds the centrifugal force fall...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/02
Inventor 王柳松陈豫林黄岩陆秋琰花辉
Owner WUXI LITTLE SWAN GENERAL APPLIANCE CO LTD
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