An overlying water intelligent sampling system based on ultrasonic dynamic distance adjustment

The intelligent sampling system, which utilizes ultrasonic ranging and adaptive position adjustment, addresses the shortcomings of traditional sampling equipment in dynamic interface tracking and continuous sampling. It enables dynamic tracking and long-term continuous sampling of sediment interfaces, thereby improving sampling accuracy and automation.

CN120927364BActive Publication Date: 2026-04-24BEIJING CAPITAL BEIKE ENVIRONMENTAL TECH RES INST CO LTD
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Patent Information

Application Number
CN202511382862.X
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-09-25
Publication Date
2026-04-24
Estimated Expiration
2045-09-25

AI Technical Summary

Technical Problem

Existing technologies suffer from difficulties in dynamic interface tracking, insufficient continuous sampling capabilities, weak intelligence and anti-interference capabilities during the sampling process. Traditional equipment is also difficult to adjust the sampling height in real time and is easily affected by sediment, which can impact water quality analysis results.

Method used

An ultrasonic ranging module combined with an adaptive position adjustment mechanism is used to detect the distance to sediments in real time through a high-frequency ultrasonic sensor. A PID controller drives a stepper motor to adjust the height of the sampling head. Combined with a multi-channel sampling unit, automated sampling is achieved. An IoT communication module is integrated for remote monitoring.

Benefits of technology

It enables dynamic tracking of sediment interfaces, ensuring sampling accuracy and real-time performance, supporting long-term continuous sampling, reducing manual maintenance costs, and improving the automation level of the sampling system.

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Abstract

The application relates to an overlying water intelligent sampling system based on ultrasonic dynamic distance adjustment, which comprises an ultrasonic distance measurement module, a T-shaped mounting support, a self-adaptive position adjusting mechanism and a multi-channel sampling unit. A high-frequency ultrasonic sensor emits sound waves to detect the sediment distance every 10 seconds. After the data is removed from water body fluctuation interference through an anti-interference filtering algorithm, the data is transmitted to a PID controller for dynamic analysis. The PID controller controls the self-adaptive position adjusting mechanism to adjust the height of a sampling head assembly according to the sediment distance data. The multi-channel sampling unit is used for continuous collection and storage of water samples in different time periods. The application realizes dynamic tracking of a target water layer by real-time detection of the sediment interface distance through high-frequency ultrasonic waves and adjustment of the height of the sampling head through a self-adaptive stepping motor.
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