Title:
ULTRASONIC RAINFALL MEASUREMENT SYSTEM CAPABLE OF AUTOMATIC TRIGGERING AND SELF-CALIBRATION
Document Type and Number:
WIPO Patent Application WO/2022/120624
Kind Code:
A1
Abstract:
An ultrasonic rainfall measurement system capable of automatic triggering and self-calibration. Said system comprises a rainfall monitoring module, a self-calibration and rainfall amount measurement module, a central processing module, a water level monitoring module and a drainage module, wherein the rainfall monitoring module is configured to monitor rainfall and send a rainfall signal; the self-calibration and rainfall amount measurement module is configured to emit, under the control of the central processing module, an ultrasonic signal and receive a signal, so as to obtain a calibration flight time, and is configured to emit, under the control of the central processing module, an ultrasonic signal to an accumulated water surface in a rainfall gauge and receive a measurement echo signal reflected by the accumulated water surface, so as to obtain a measurement flight time; the central processing module is configured to receive the rainfall signal, start the water level monitoring module and the self-calibration and rainfall amount measurement module, and is configured to calculate a rainfall amount value and output same in a fixed format; the water level monitoring module is configured to monitor the water level in the rainfall gauge and send a drainage signal; and the drainage module is configured to receive the drainage signal, and open a drainage valve to drain accumulated water in the rainfall gauge.
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Inventors:
LI SONGBIN (CN)
YUAN MINGYONG (CN)
LIU PENG (CN)
LIN DAOYOU (CN)
YUAN MINGYONG (CN)
LIU PENG (CN)
LIN DAOYOU (CN)
Application Number:
PCT/CN2020/134823
Publication Date:
June 16, 2022
Filing Date:
December 09, 2020
Export Citation:
Assignee:
HAINAN ACOUSTICS LABORATORY INST OF ACOUSTICS CHINESE ACADEMY OF SCIENCES (CN)
International Classes:
G01W1/14; G01W1/18
Foreign References:
| CN101464524A | 2009-06-24 | |||
| CN110632682A | 2019-12-31 | |||
| CN103913208A | 2014-07-09 | |||
| CN206725597U | 2017-12-08 | |||
| CN109444993A | 2019-03-08 | |||
| CN104266715A | 2015-01-07 | |||
| JPH11118947A | 1999-04-30 |
Other References:
LIU JIANYI: "Research of Ultrasonic Distance Measurement System Based-on ARM", MASTER THESIS, TIANJIN POLYTECHNIC UNIVERSITY, CN, no. S1, 15 December 2011 (2011-12-15), CN , XP055940993, ISSN: 1674-0246
Attorney, Agent or Firm:
FASTA INTELLECTUAL PROPERTY LIMITED (CN)
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