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Washing machine and method for automatically adding additives

An automatic feeding and additive technology, applied in other washing machines, washing devices, textiles and papermaking, etc., can solve the problems of high cost and complex structure, and achieve the effect of improving efficiency, accurate feeding and reducing environmental pollution.

Active Publication Date: 2018-02-16
QINGDAO HAIER WASHING MASCH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this structure can realize precise control of detergent, the structure is complicated and the cost is high

Method used

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  • Washing machine and method for automatically adding additives
  • Washing machine and method for automatically adding additives
  • Washing machine and method for automatically adding additives

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] Such as figure 1 As shown, the additive container 3 described in this embodiment is one, the cleaning control valve 8 and the additive control valve 6 are the same control valve, and the control valve is a two-position three-way reversing valve, which is provided with an outlet and Two inlets, the outlet communicates with the metering device 5, and the two inlets communicate with the container 3 and the water outlet of the cleaning waterway 7 in one-to-one correspondence. The cleaning water circuit 7 is disconnected / connected.

Embodiment 2

[0042] Such as figure 2 As shown, the difference between this embodiment and the first embodiment is that the cleaning control valve 8 and the additive control valve 6 are two independent control valves. A three-way pipe 9 is provided between the metering device 5 and the container 3, and the three ports of the three-way pipe 9 are connected with the container 3, the metering device 5 and the water outlets of the cleaning waterway 7 in one-to-one correspondence. The cleaning control valve 8 is located on the cleaning water channel 7 .

Embodiment 3

[0044] Such as image 3 As shown, the cleaning control valve 8 described in this embodiment is integrated on the water inlet valve 1, the water inlet valve 1 is a solenoid valve with at least two water outlets, one water outlet and the washing water inlet waterway 7 Connect, and the other water outlet is connected with the water inlet end of cleaning water circuit 8.

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PUM

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Abstract

The invention discloses a washing machine for automatically adding additives and a method thereof. The washing machine includes a water inlet valve, a washing bucket and at least one container for holding additives. A washing water inlet channel between the water inlet valve and the washing bucket is provided Water flows through the Venturi tube that generates negative pressure. Corresponding to the negative pressure area, there is a suction port that communicates with the container and uses negative pressure to extract additives into the washing water inlet channel. There is a detection additive between the suction port and the container. A metering device for feeding amount and an additive control valve for controlling on-off between the metering device and the container. When adding additives, water is fed from the washing water inlet channel to the washing bucket, and the additives in the container are pumped out by using the negative pressure generated when the water flows through the Venturi tube. After being measured by the metering device, it enters the washing water inlet from the suction port. The waterway is flushed into the washing bucket by the incoming water flow. The invention utilizes the negative pressure generated by the water inflow to automatically release the most reasonable amount of additives, has a simple structure and accurate dosage.

Description

technical field [0001] The invention relates to a washing machine and a control method thereof, in particular to a washing machine and a method thereof for accurately and automatically injecting additives by using the negative pressure generated by the water inflow. Background technique [0002] The additives such as detergent, softener, disinfectant, etc. used in the washing process of traditional washing machines are placed separately from the washing machine. There is no additive feeding device on the washing machine, and the additives cannot be automatically added. This structure cannot realize automatic washing of the washing machine. control process. With the improvement of washing machine automation, most washing machines are set to connect the additive box for placing detergent or / and softener with the water inlet pipeline, and flush the detergent or / and softener in the additive box into the washing tub through water inlet, But this structure must first put detergen...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F39/02
CPCD06F39/022D06F39/088
Inventor 舒海吕佩师许升陈玉玲
Owner QINGDAO HAIER WASHING MASCH CO LTD