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Detergent Dosing Controller

A detergent injection and controller technology, which is applied to washing machine control devices, washing devices, other washing machines, etc., can solve problems such as insufficient detergent inventory, complex structure of detergent injection devices, etc., and achieve reasonable detection and judgment. simple effect

Active Publication Date: 2020-05-19
HANGZHOU KAMBAYASHI ELECTRONICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The present invention aims to solve the problem that the structure of the detergent dispensing device of the washing machine in the prior art is complex, and it is difficult to accurately judge whether the detergent stock in the dispensing box is insufficient after the detergent is dispensed. Therefore, a detergent dispensing controller of the present invention is provided. The detergent dosing controller is simple in structure and low in cost, and can accurately judge whether the detergent in the storage box is insufficient after detergent is put in

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] The detergent injection controller is provided with a detergent storage box 1 and an infusion channel 2 with inner and outer ends open, the inner port of the infusion channel is connected to the detergent storage box 1, and the infusion channel 2 is sequentially set Flow sensor 4 and extracting device 5 are arranged, and flow sensor 4 is connected with microprocessor CPU 41, and this microprocessor is provided with this program: after opening the extracting device 5 to extract the detergent in the detergent storage box 1, record every The number of pulse signals Pn of the flow sensor within 0.2 seconds, and then compare the number of pulse signals recorded at the current time with the number of pulse signals recorded at the previous time. If the number of pulse signals increases, it is determined that the washing in the detergent storage box is If the detergent is insufficient, then the alarm prompts the user to add detergent.

[0024] The present invention works in ext...

Embodiment 2

[0026] This example is different from the previous example in that a section of the infusion channel located in the detergent storage box is provided with a port 21, and the horizontal position of the port is higher than the horizontal position of the port in the infusion channel by a distance H, see figure 2 , the diameter of the port 21 is smaller than that of the inner port of the infusion channel 2 . When the detergent is extracted and the liquid level of the detergent is lower than the port 21, the air is sucked into the infusion channel. Since the aperture of the port 21 is smaller than the diameter of the inner port of the infusion channel 2, the detergent is also sucked in while the air is sucked, and the air and the washing Because the flow resistance of the detergent mixture is smaller than that of pure detergent, the flow rate of the mixture is greater than that of pure detergent. Compared with pure detergent, the number of pulse signals output by the flow sensor pe...

Embodiment 3

[0028] This example is different from Example 2 in that a valve A3 is provided between the flow sensor 4 and the washing liquid storage tank 1 on the infusion channel 2, see image 3 . Other structures are the same as in Example 2. Figure 5 "Valve A open" in the program principle shown corresponds to this example.

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Abstract

The invention relates to a detergent putting controller. The controller is simple in structure and reliable in control. The controller is provided with a detergent storage tank (1) and a liquid conveying channel (2) with an opened inner end and an opened outer end, an inner port of the liquid conveying channel is communicated with the detergent storage tank, a flow sensor (4) and an extraction device (5) are arranged on the liquid conveying channel from the inner port to an outer port in sequence, and the flow sensor is connected with a microprocessor CPU (41). The microprocessor is provided with a program. The program comprises the steps that the extraction device is started to extract detergent in the detergent storage tank, the number Pn of pulse signals of the flow sensor in every unittime is recorded, then the number of pulse signals which are recorded for the current time is compared with that of the pulse signals which are recorded for the last time, if the number of pulse signals is increased, it is judged that the detergent in the detergent storage tank is insufficient, and then the alarm is given to remind a user to add the detergent. The detergent putting controller canbe used as an automatic detergent putting device of a washing machine.

Description

technical field [0001] The invention relates to a washing machine fitting, in particular to a washing machine injecting detergent device. Background technique [0002] There are many disclosed technologies about the detection of the remaining amount of detergent in the storage box in the automatic detergent delivery device of the washing machine. [0003] The technology disclosed in CN 202323453U is to set a space connected with the detergent storage box and open to the atmosphere. The detergent liquid in the storage box enters the open space through the principle of a connector. Electrodes are arranged in the open space to detect and judge whether the detergent is Insufficient stock. This judgment method needs to test electrodes, and the liquid connection structure is relatively complicated, and the cost is relatively high. [0004] A technology disclosed in CN 103334269A is to set a floating block in the detergent storage box, a magnet is arranged inside the floating blo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D06F39/02D06F33/47D06F103/18D06F105/58D06F105/42
CPCD06F33/00D06F39/022D06F2204/02D06F2204/10
Inventor 鲍鹏飞施能能郭皓天
Owner HANGZHOU KAMBAYASHI ELECTRONICS
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