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Turbidity sensor and control method thereof

一种浊度传感器、传感器的技术，应用在洗衣机的控制装置、仪器、科学仪器等方向，能够解决无法精确地区分浊度传感器输出等问题

Inactive Publication Date: 2013-10-30
SAMSUNG ELECTRONICS CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0011] However, when liquid cleaners are used, the output of the turbidity sensor 3 cannot be accurately differentiated based on the amount of liquid cleaners compared to pure water due to the smaller particle size of the liquid cleaners

Method used

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  • Turbidity sensor and control method thereof
  • Turbidity sensor and control method thereof
  • Turbidity sensor and control method thereof

Examples

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Embodiment Construction

[0067] Reference will now be made in detail to the embodiments, examples of which are illustrated in the accompanying drawings, wherein like numerals refer to like elements.

[0068] Hereinafter, terms used in the following description will be briefly described.

[0069] The particles are classified into first particles and second particles. When the powder detergent is dissolved in water, the powder detergent forms first particles having a relatively large particle size and second particles having a relatively small particle size in the water. The first particles may be sensed by infrared light, and may have a particle diameter of several micrometers (μm) to several hundreds of micrometers (μm). The second particle may be sensed by visible light, and the second particle may have a particle diameter of several nanometers (nm) to several hundreds of nanometers (nm). The particle size ranges of the first particles and the second particles may vary and may overlap each other. ...

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PUM

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Abstract

Disclosed herein are a turbidity sensor and a control method thereof, and more particularly, to a turbidity sensor capable of measuring turbidity of water including a liquid detergent as well as water including a powdered detergent and a control method thereof. The turbidity sensor includes a first light emitting unit emitting visible light, a first light receiving unit disposed opposite to the first light emitting unit at a position spaced apart from the first light emitting unit and receiving visible light emitted from the first light emitting unit, and a control unit determining a turbidity of a solution according to a ratio between the amount of visible light emitted from the first light emitting unit and the amount of visible light received by the first light receiving unit. According to the turbidity sensor and control method thereof, turbidity of the solution by the first and second particles is accurately measured.

Description

technical field [0001] Embodiments of the present disclosure relate to a turbidity sensor capable of measuring turbidity of an aqueous solution including a liquid cleaning agent and an aqueous solution including a powder cleaning agent and a control method thereof. Background technique [0002] Some household appliances that use water, such as washing machines and dishwashers, have turbidity sensors to measure turbidity and change washing operations according to the sensed turbidity. These home appliances vary the number of washing operations according to the turbidity sensed by the turbidity sensor, thereby reducing water waste and achieving optimal washing operations. [0003] like Figure 1A and Figure 1B As shown in , the turbidity sensor 3 includes a light-emitting unit 3a that emits light and a light-receiving unit 3b that receives light emitted from the light-emitting unit 3a, in order to use the intensity of the light emitted by the light-emitting unit 3a and the i...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N21/82
CPCA47L15/4297D06F2204/08D06F2202/02D06F39/004D06F33/02D06F39/08G01N21/85D06F35/006G01N21/534D06F34/22D06F2103/20
Inventor 崔濬会崔炳益韩政秀河志勋
Owner SAMSUNG ELECTRONICS CO LTD