Dishwasher and method thereof

Abstract

Object of the present invention is to provide a dishwasher and a method for controlling operation thereof. The dishwasher includes a body (10) having a washing chamber for washing dishes (1), at least one rack (51 ,52) in the washing chamber for placing dishes (1) thereon, at least one reader unit (211) for sensing information on dishes (1) on the at least one rack (51 ,52), and a control unit (220) for controlling operation of the dishwasher with reference to information on the dishes (1) sensed at the reader unit (211).

Description

Technical field [0001] The present invention relates to a dishwasher, and more particularly, to a dishwasher that washes dishes based on information of dishes that are objects of washing, and a method of controlling the dishwasher. Background technique [0002] Generally, the dishwasher automatically washes and dries the used tableware. [0003] Figure 1 attached here schematically shows the internal structure of a prior art dishwasher. [0004] The prior art dishwasher is equipped with a main body 10, a sump 20, a scrubbing pump 30, spray arms 41 and 42, shelves 51 and 52 for placing tableware thereon, and a drain pump 60. [0005] In the main body 10, there is a washing chamber 11 for washing the tableware 1. [0006] The storage tank 20 stores washing water supplied from the outside of the dishwasher, and supplies the washing water to the washing pump 30. The storage tank 20 has a drain pipe 61 connected to it for removing polluted scrubbing water. [0007] The scrubbing pump ...

AI Technical Summary

Problems solved by technology

[0017] However, the prior art dishwasher has the following problems: in the case of a small number of tableware, excessive washing water is wasted, and in the case of a large number of tableware, the washing water is insufficient to wash the tableware smoothly, because State-of-the-art dishwashers always work in the same working conditions, regardless of the number of dishes placed on it or the position of the dishes in the dishwasher

[0018] In addition, the prior art dishwasher also has the following problems: the washing efficiency is not high, and the washing water is excessively wasted, because even if only one of the racks 51, 52 is placed, the dishware will be washed by the upper spray arm 41 and the Both lower spray arms 42 spray washing water

[0019] In addition, the prior art dishwashers also have the following problems: they cannot perform washing suitable for the type of tableware or the degree of contamination.

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