Liquid level detection method, apparatus, and related device

By using a water volume counter to detect the water tank level and utilizing the difference in rotation speed between water and air, the problem of high cost and poor aesthetics in level detection is solved. This enables fast and convenient level judgment and water circuit blockage alarm, and is suitable for small devices such as fully automatic coffee machines.

CN117091669BActive Publication Date: 2026-07-24GREE ELECTRIC APPLIANCE INC OF ZHUHAI
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GREE ELECTRIC APPLIANCE INC OF ZHUHAI
Filing Date
2023-08-02
Publication Date
2026-07-24

AI Technical Summary

Technical Problem

Existing liquid level detection technologies are costly and aesthetically unappealing in small devices, especially in fully automatic coffee machines, where devices such as float switches and infrared sensors take up space and affect the appearance.

Method used

By acquiring the fluid volume passing through the flow volume counter at different cycles, and utilizing the difference in the rotation speed of the flow volume counter driven by water and air, combined with a preset fluid volume benchmark, the water tank level can be determined, avoiding the need for additional equipment installation.

Benefits of technology

It enables rapid and convenient liquid level detection, saves costs and maintains the product's aesthetics, and can accurately determine the remaining water level in the tank and the condition of water circuit blockage.

✦ Generated by Eureka AI based on patent content.

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Abstract

The present application relates to a kind of liquid level detection method, device and related equipment, belong to liquid level detection technical field, the method, device and related equipment, by obtaining the fluid volume of different period through flow water volume counter, to determine the liquid level condition of the target water tank according to the size relationship of the fluid volume of current period and the fluid volume of last period, and the size relationship of the fluid volume of current period and preset fluid volume reference.It can be understood that the difference that air and water promote flow water volume counter is considered in the technical scheme of the present application, the characteristics that water promotes the rotation of counter fast, air promotes the rotation of counter slow, the remaining water condition in water tank is judged by fluid volume in period time, convenient, fast, without installing other equipment, save cost, maintain the product's aesthetic property.
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