Door controlling circuit and method for dish washer

A technology for controlling circuit and door opening and closing, which is applied in the direction of tableware washing machine/rinsing machine, application, electrical components, etc., which can solve the problems of damaged circuit and overload, so as to prevent circuit damage, improve reliability and reduce overload The effect of the phenomenon

Inactive Publication Date: 2009-07-29
LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0016] At this time, since the contacts of the door switch are opened / closed in a high current state, repeated opening and closing of the door of the dishwasher during the washing process will cause an overload in the door switch and damage the door switch. The circuit corresponding to the door opening and closing

Method used

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  • Door controlling circuit and method for dish washer
  • Door controlling circuit and method for dish washer
  • Door controlling circuit and method for dish washer

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Embodiment Construction

[0027] The purpose, characteristics, and advantages of the present invention will be clarified by the following description of the embodiments with reference to the accompanying drawings.

[0028] The preferred embodiments of the control circuit corresponding to the opening and closing of the door of the dishwasher and the control method thereof in the present invention will be described below with reference to the accompanying drawings.

[0029] Refer to the attached image 3 The control circuit corresponding to the opening and closing of the door of the dishwasher in the present invention will be described.

[0030] As shown in the figure, it includes the following parts: load (motor, heater, etc.) 50, its two ends are connected to the power line; door switch 60, it is connected to one end of the above-mentioned load 50, and in the Disconnect the power supply of the load 50 when the bowl machine door (Door) is opened, and supply the load 50 power supply when the above-menti...

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PUM

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Abstract

The present invention relates to door controlling circuit and method for dish washer capable of avoiding the circuit damage caused by frequent opening and closing of the door in the dish washer during washing. The method of the present invention includes the following steps: cutting off the power source to the dish washer while the door is detected to be opened during washing; and turning on the power source to the dish washer in some delayed time after the door is detected to be closed. The present invention can avoid the circuit damage caused by frequent opening and closing of the door in the dish washer during washing and raise the reliability of the dish washer.

Description

technical field [0001] The invention relates to a dishwasher, in particular to a control circuit corresponding to the opening and closing of the door of the dishwasher, which can minimize circuit damage caused by repeated opening and closing operations of the door of the dishwasher during the washing process. Background technique [0002] Generally speaking, a dishwasher is a device that automatically washes away food residue stuck in a bowl after a meal. [0003] Such as figure 1 Shown, in the structure of general dishwasher, the interior forms the dish-washing tube (Tub) 1 that has predetermined space, and the inside of above-mentioned dish-washing tube 1 is installed with the upper side shelf (rack) 10 that is used to accommodate dishes and Lower side frame 11. [0004] Further, upper / lower spray arms 8, 9 for spraying washing water are attached to the lower sides of the above-mentioned upper / lower frames 10, 11. [0005] Moreover, a storage tank (Sump) 3 is formed on ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47L15/00H03K17/296
Inventor 金正勋赵寅行
Owner LG ELECTRONICS (TIANJIN) APPLIANCES CO LTD
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