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Washing machine able to detect leakage from water supply position

A technology of washing machine, water supply department, applied in the field of washing machine, which can solve the problems of leakage, water overflow, etc.

Inactive Publication Date: 2004-10-27
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

As a result, water overflows from the sink, leaks to the outside of the washing machine, or water overflows from the door when the door is opened without turning on the power.

Method used

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  • Washing machine able to detect leakage from water supply position
  • Washing machine able to detect leakage from water supply position
  • Washing machine able to detect leakage from water supply position

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0041] Figure 1 ~ Figure 4 A front-loading washing machine with a drying function according to one embodiment of the present invention is shown. This washing machine has a double structure of a water tank 2 elastically supported by the inner side of the outer case 1 and a drum 4 arranged inside the water tank 2 and rotating around a horizontal axis 3 .

[0042] The water tank 2 is suspended from above by springs 5 ​​in order to absorb vibration during operation, and is supported from below by a shock-proof baffle 6, and has the function of storing and discharging washing liquid and dehydrating liquid. The entire peripheral wall of the drum 4 is provided with a plurality of small holes 7 for passing water supply during washing and drainage during dehydration. On the back side of the drum 4, a horizontal or slightly upwardly inclined horizontal shaft 3 is installed, and the horizontal shaft 3 is rotatably supported by the water tank 2. On the back side of the water tank 2, a ...

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Abstract

When an operation for washing is completed and door is unlocked, water level in a water tank is monitored only for a prescribed time period. When there is no water leakage, monitoring is stopped after the prescribed time period and the power is turned off. When there is a water leakage, water level in the water tank increases. When it is detected that a first water level is reached, the door is locked to prevent opening. After a prescribed time period, the power is turned off while the door is kept locked. If the door cannot be locked, the door lock error is notified and the water collected in the water tank is drained.

Description

technical field [0001] The present invention relates to a washing machine which automatically performs sequential operation of a washing step, a rinsing step, a dehydration step, or a further drying step, and turns off a power supply after the automatic operation is completed. Background technique [0002] In the drum washing machine, sequential automatic operation of a washing process, a rinsing process, a dehydration process, and a drying process is performed. The operation during this operation will be described based on FIG. 11 . First, when the user turns on the power key, power is supplied to the control circuit (step SA1, "step" will be omitted hereinafter), the input operation details, etc. are displayed. At this time, the water level in the water tank is detected (SA2). When detecting above the arbitrarily set water level (using this as the forbidden water level of the door), the door is locked (SA3). When the water level of the water tank is above the forbidden ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F33/02D06F25/00D06F37/42D06F39/08
CPCD06F37/42D06F39/081D06F25/00D06F2105/58D06F33/42D06F2105/08D06F2105/02D06F2103/40D06F2105/60D06F2105/44D06F2103/18D06F2103/14D06F33/34
Inventor 西尾雅弘谷口和彦
Owner SHARP KK
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