Control method of automatic additive adding

A control method and automatic feeding technology, applied to the control device of washing machines, other washing machines, washing devices, etc., can solve the problems of complex structure and high cost, and achieve the effects of reducing environmental pollution, accurate control, and improving washing and rinsing effects

Active Publication Date: 2015-06-24
QINGDAO HAIER WASHING MASCH CO LTD
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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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  • Control method of automatic additive adding
  • Control method of automatic additive adding
  • Control method of automatic additive adding

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Such as figure 1 As shown, when adding liquid detergent during the laundry process, the steps are as follows:

[0058] After the washing program is started, the washing machine controller judges and calculates the total amount of detergent G required based on the sensing of the weight of the laundry, the sensing of the dirtiness of the clothes, and the sensing of the hardness of the water, and stores the value of G in the calculation inside the device.

[0059] Open the water inlet valve to enter the water. At this time, the detergent injection control valve is in the closed state, and the water flow is divided into two paths, one path is directly injected into the washing tub (tub), and the other path is injected into the washing tub after passing through the flow sensor. During water intake, first check whether there is a signal output from the flow sensor. Generally, if there is a signal output within 3s, it means that the water intake is normal; Open and the flow ...

Embodiment 2

[0073] Such as figure 2 , image 3 As shown, the washing machine according to the present invention includes a water inlet valve 1, a washing tub 2 and at least one container 3 for holding additives, and a washing water inlet channel 4 between the water inlet valve 1 and the washing tub 2 is provided with a The Venturi tube 41 that can generate negative pressure through water flow, and the corresponding negative pressure area is provided with a suction port 42 that communicates with the container 3 and utilizes negative pressure to extract additives into the washing water inlet waterway, and the suction port 42 is connected to the container 3 A metering device 5 for detecting the dosage of additives and an additive control valve 6 for controlling the connection between the metering device 5 and the container 3 are provided between them.

[0074] Further, the washing machine according to the present invention also includes a washing water channel 7 of the water inlet cleaning...

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Abstract

The invention discloses a control method of automatic additive adding. The method includes: opening an additive adding control valve, opening a water inlet valve, using negative pressure generated by water inlet to extract additives, measuring water pressure, additive viscosity and additive adding speed, selecting adding time or adding pulse number to judge whether a total adding amount reaches the required additive amount G, and closing the additive adding control valve when the additive adding amount reaches G to complete additive adding. The control method has the advantages that a flow sensor and a negative pressure structure are used in coordination, precise adding of various liquid additives is achieved by combining the on and off of the adding control valve, the influence of the water pressure and the precise detection of the flow sensor and by precise judgement, washing and rising effects are increased, and the control method is simple and practical.

Description

technical field [0001] The invention relates to the feeding of liquid additives, in particular to a control method for automatically feeding additives. 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 detergent or / and softener into the additive box every time the laundry is done, and the automatic laundry control process h...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D06F39/02D06F33/02
CPCD06F33/00D06F39/022
Inventor 吕佩师陈玉玲许升王金凯
Owner QINGDAO HAIER WASHING MASCH CO LTD
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