A hot water remaining amount measuring system and a measuring method for a water heater

By dividing the inner tank of the water heater into upper and lower parts and setting a temperature probe in each part, the remaining hot water volume is calculated by combining the weight value and the average temperature, which solves the problem of low metering accuracy of existing water heaters and achieves a more accurate display of the remaining hot water volume.

CN116026042BActive Publication Date: 2026-06-09GUANGDONG MAXI ELECTRIC APPLIANCE CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
GUANGDONG MAXI ELECTRIC APPLIANCE CO LTD
Filing Date
2023-02-15
Publication Date
2026-06-09

AI Technical Summary

Technical Problem

The accuracy of the remaining hot water metering function in existing water heaters is not high, and it is impossible to accurately determine the amount of hot water remaining.

Method used

The water heater's inner tank is divided into an upper inner tank and a lower inner tank. Several temperature probes are installed in the upper and lower inner tanks respectively. The remaining hot water volume is calculated by setting weight values ​​and average temperature values, and then measured in conjunction with the baseline and maximum temperature values.

Benefits of technology

It improves the accuracy of hot water remaining measurement, and can more accurately reflect the amount of hot water remaining in the water heater tank.

✦ Generated by Eureka AI based on patent content.

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    Figure CN116026042B_ABST
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Abstract

This invention discloses a hot water remaining quantity metering system and method for a water heater. The method includes dividing the inner tank of the water heater into an upper inner tank and a lower inner tank, and installing several temperature probes in both the upper and lower inner tanks; setting a first weight value K1 and a second weight value K2; calculating the average water temperature A1 of the upper inner tank and the average water temperature A2 of the lower inner tank; calculating the remaining hot water quantity Y using the formula Y = A1*K1 + A2*K2, and displaying the remaining hot water quantity Y externally. In this technical solution, temperature probes are installed in both the upper and lower inner tanks. When measuring the remaining hot water quantity, not only is the water temperature of the upper inner tank used as the basis, but also the water temperature at one or more points in the lower inner tank is used as the basis for measuring the remaining hot water quantity. Furthermore, when measuring the remaining hot water quantity, appropriate weight values ​​are set for the influence of the average water temperature of the upper and lower inner tanks on the remaining hot water quantity, thereby measuring the remaining hot water quantity with high accuracy.
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