A method and apparatus for liquid flow rate calculation based on millimeter wave radar
By acquiring liquid height information in real time using millimeter-wave radar and calculating height changes, the problem of flow velocity measurement being affected by environmental factors has been solved, enabling fast and accurate flow velocity calculation.
CN116755085BActive Publication Date: 2026-06-26SHANGHAI VEI SHENG AUTO PARTS MFG CO LTD
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Patent Information
- Authority / Receiving Office
- CN Β· China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- SHANGHAI VEI SHENG AUTO PARTS MFG CO LTD
- Filing Date
- 2023-06-20
- Publication Date
- 2026-06-26
AI Technical Summary
Technical Problem
In existing technologies, fluid velocity measurement is easily affected by environmental factors such as temperature changes, leading to inaccurate measurements.
Method used
Millimeter-wave radar is used to acquire the height information of each measurement point in the liquid in real time. By calculating the height change information per unit time and the total volume of the known liquid container, the flow rate of the liquid is calculated.
Benefits of technology
It enables rapid and accurate calculation of liquid flow rate, avoids the influence of environmental factors on the measurement, and improves the accuracy of flow rate calculation.
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Smart Images
Figure CN116755085B_ABST
Abstract
The application belongs to the technical field of measurement, and provides a liquid flow rate calculation method and device based on a millimeter wave radar, which comprises the following steps: acquiring height information of each measurement point in the liquid within a unit time in real time through the millimeter wave radar; obtaining height change information within the unit time based on the height information of each measurement point within the unit time; and calculating the flow rate of the liquid according to the height change information within the unit time and the total volume of a known liquid container. The height information of the liquid acquired through the millimeter wave radar is used to calculate the volume change of the liquid within the unit time, so that the flow rate of the liquid can be quickly and accurately calculated, thereby avoiding the problem of inaccurate flow rate calculation caused by environmental factors.
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