CN111141261A - Hydrologic monitoring data acquisition and transmission method - Google Patents

Hydrologic monitoring data acquisition and transmission method Download PDF

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Publication number
CN111141261A
CN111141261A CN201911319629.1A CN201911319629A CN111141261A CN 111141261 A CN111141261 A CN 111141261A CN 201911319629 A CN201911319629 A CN 201911319629A CN 111141261 A CN111141261 A CN 111141261A
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CN
China
Prior art keywords
water level
acquisition
transmission
monitoring data
data acquisition
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Pending
Application number
CN201911319629.1A
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Chinese (zh)
Inventor
石久波
覃文博
王金旺
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Unicloud Technology Co Ltd
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Unicloud Technology Co Ltd
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Publication date
Application filed by Unicloud Technology Co Ltd filed Critical Unicloud Technology Co Ltd
Priority to CN201911319629.1A priority Critical patent/CN111141261A/en
Publication of CN111141261A publication Critical patent/CN111141261A/en
Pending legal-status Critical Current

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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C13/00Surveying specially adapted to open water, e.g. sea, lake, river or canal
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01FMEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F23/00Indicating or measuring liquid level, or level of fluent solid material, e.g. indicating in terms of volume, indicating by means of an alarm

Abstract

The invention provides a hydrologic monitoring data acquisition and transmission method, which comprises the following steps: s1, setting a preset warning water level Hx of the current period through an RTU; s2, collecting current water level data Hr by the water level meter; s3, receiving water level meter data Hr by the RTU; s4, comparing the sizes of Hr and Hx by the RTU; and adjusting the acquisition frequency of the water level meter to the preset acquisition frequency of the period according to the period to which the Hr belongs. The hydrologic monitoring data acquisition and transmission method provided by the invention realizes data acquisition and transmission as required, the water rain condition changes violently in a short time in a flood season, the water level rising speed is obviously accelerated, and the dynamic update requirement on the data even reaches the second level, so that data support is provided for services such as water rain condition early warning prediction, leadership decision making, emergency consultation and the like.

Description

Hydrologic monitoring data acquisition and transmission method
Technical Field
The invention belongs to the field of data acquisition, and particularly relates to a hydrologic monitoring data acquisition and transmission method.
Background
In the existing hydrologic monitoring and early warning system, hydrologic monitoring data such as the data acquisition and transmission period of water level are generally set as fixed values, such as 1 minute, 1 hour and the like; the system sets the acquisition and transmission period parameters of data and sends the parameters to a Remote telemetry Terminal (RTU) which monitors and controls the water level gauge. The water level meter acquires data according to a preset acquisition cycle of the system and transmits the data to the RTU. And the RTU reports the water level data to a remote monitoring platform according to the transmission period set by the system. However, the data acquisition and transmission period is fixed, if the period setting is too small, on one hand, the storage pressure of a database is increased, and on the other hand, more data flow is consumed due to frequent data transmission, so that the communication cost is greatly increased; meanwhile, if the period setting is too large, data points are few, the real-time performance of data cannot be guaranteed, the scientificity of evaluation decision in emergency events can be greatly influenced by the reduction of the real-time performance under some service scenes such as urban heavy water and rain events, and the early warning prediction also has certain hysteresis and even serious consequences.
Disclosure of Invention
In view of the above, the invention aims to provide a hydrologic monitoring data acquisition and transmission method for realizing data acquisition and transmission as required, during a flood season, the rainfall condition changes violently in a short time, the water level rising speed is obviously accelerated, and the dynamic update requirement on the data even reaches the second level, so as to provide data support for services such as rainfall condition early warning prediction, leadership command decision, emergency consultation and the like.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
a hydrologic monitoring data acquisition and transmission method comprising: s1, setting a preset warning water level Hx of the current period through an RTU; s2, collecting current water level data Hr by the water level meter; s3, receiving water level meter data Hr by the RTU; s4, comparing the sizes of Hr and Hx by the RTU; and adjusting the acquisition frequency of the water level meter to the preset acquisition frequency of the period according to the period to which the Hr belongs.
Further, the data acquisition and transmission method in S1-S4 is expressed by the following formula:
wherein T is an acquisition period, wherein δ 1, δ 2 and δ 3 are constants, and wherein (0, H1)/[ H1, H2)/[ H2, H3)/… are different acquisition intervals.
Further, the acquisition frequency is set for each cycle in the RTU before S1.
Further, when Hr < Hx in S4, the process returns to step S2 to continue collecting the water level data Hr by the water level gauge.
Further, in S4, when Hr ≧ Hx, the RTU adjusts the acquisition frequency of the hydrological gauge to the acquisition frequency of the next interval.
Further, when hydrologic monitoring data is collected, the relation between the collecting time T and the current water level Hr also satisfies a linear function, namely T is aHr + b, Hr represents the water level (m), a and b are constants
Further, when hydrologic monitoring data is collected, the relation between the collection time T and the current water level Hr also satisfies a negative linear function, namely T is aHr-1+ b, Hr denotes the water level (m), and a, b are constants.
Compared with the prior art, the hydrologic monitoring data acquisition and transmission method has the following advantages:
the hydrologic monitoring data acquisition and transmission method provided by the invention realizes data acquisition and transmission as required, the water rain condition changes violently in a short time in a flood season, the water level rising speed is obviously accelerated, and the dynamic update requirement on the data even reaches the second level, so that data support is provided for services such as water rain condition early warning prediction, leadership decision-making, emergency meetings and the like.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate an embodiment of the invention and, together with the description, serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a schematic illustration of a hydrological monitoring data acquisition and transmission method according to an embodiment of the present invention;
FIG. 2 is a schematic diagram illustrating a linear function relationship between an acquisition period and a water level in a hydrological monitoring data acquisition and transmission method according to an embodiment of the present invention;
fig. 3 is a schematic diagram of a negative linear function relationship between an acquisition period and a water level in a hydrological monitoring data acquisition and transmission method according to an embodiment of the present invention.
Detailed Description
It should be noted that the embodiments and features of the embodiments may be combined with each other without conflict.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The present invention will be described in detail below with reference to the embodiments with reference to the attached drawings.
As shown in fig. 1 to 3, a hydrologic monitoring data acquisition and transmission method includes: s1, setting a preset warning water level Hx of the current period through an RTU; s2, collecting current water level data Hr by the water level meter; s3, receiving water level meter data Hr by the RTU; s4, comparing the sizes of Hr and Hx by the RTU; and adjusting the acquisition frequency of the water level meter to the preset acquisition frequency of the period according to the period to which the Hr belongs.
Further, the data acquisition and transmission method in S1-S4 is expressed by the following formula:
wherein, T is an acquisition period, δ 1, δ 2 and δ 3 are constants, where (0, H1)/[ H1, H2)/[ H2, H3)/… are different acquisition intervals, and 0, H1, H2 and H3 … are upper and lower thresholds of a current period water level.
Further, the acquisition frequency is set for each cycle in the RTU before S1.
Further, when Hr < Hx in S4, the process returns to step S2 to continue collecting the water level data Hr by the water level gauge.
Further, in S4, when Hr ≧ Hx, the RTU adjusts the acquisition frequency of the hydrological gauge to the acquisition frequency of the next interval.
Further, when hydrologic monitoring data is collected, the relation between the collecting time T and the current water level Hr also satisfies a linear function, namely T is aHr + b, Hr represents the water level (m), a and b are constants
Further, when hydrologic monitoring data is collected, the relation between the collection time T and the current water level Hr also satisfies a negative linear function, namely T is aHr-1+ b, Hr denotes the water level (m), and a, b are constants.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims (7)

1. A hydrologic monitoring data acquisition and transmission method is characterized by comprising the following steps: s1, setting a preset warning water level Hx of the current period through an RTU; s2, collecting current water level data Hr by the water level meter; s3, receiving water level meter data Hr by the RTU; s4, comparing the sizes of Hr and Hx by the RTU; adjusting the acquisition frequency of the water level meter to a preset acquisition frequency of the period according to the period to which the Hr belongs;
and Hx is the warning water level of the current water level interval.
2. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: the data acquisition and transmission method in S1-S4 has the formula:
wherein T is an acquisition period, wherein δ 1, δ 2 and δ 3 are constants, and wherein (0, H1)/[ H1, H2)/[ H2, H3)/… are different acquisition intervals.
3. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: the acquisition frequency is set for each cycle in the RTU before S1.
4. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: when Hr < Hx in S4, the flow returns to step S2 to continue collecting water level data Hr by the water level gauge.
5. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: and in S4, when Hr is larger than or equal to Hx, the RTU adjusts the acquisition frequency of the hydrological gauge to be the acquisition frequency of the next interval.
6. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: at the time of hydrologic monitoring data acquisition, the relationship between the acquisition time T and the current water level Hr also satisfies a linear function, i.e., T is aHr + b, Hr represents the water level (m), and a, b are constants.
7. The hydrological monitoring data acquisition and transmission method according to claim 1, wherein: in hydrologic monitoring data acquisitionWhen collecting time, the relation between the collecting time T and the current water level Hr also satisfies a negative linear function, namely T is aHr-1+ b, Hr denotes the water level (m), and a, b are constants.
CN201911319629.1A 2019-12-19 2019-12-19 Hydrologic monitoring data acquisition and transmission method Pending CN111141261A (en)

Priority Applications (1)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202102582U (en) * 2010-12-23 2012-01-04 北京时代凌宇科技有限公司 Hydrological condition monitoring system
CN203037287U (en) * 2012-11-29 2013-07-03 宇星科技发展(深圳)有限公司 Water regimen RTU capable of remotely correcting time
CN105300909A (en) * 2015-12-02 2016-02-03 重庆大学 Direct power-spectral method-based all-weather long drainage basin water quality monitoring and early-warning system
CN106338312A (en) * 2016-11-08 2017-01-18 哈尔滨工业大学 Water body pollutant and hydrology monitoring early-warning/alarming method and system
US20170089798A1 (en) * 2015-09-24 2017-03-30 International Business Machines Corporation Water leakage detection based on smart electricity meter
CN108204848A (en) * 2017-12-21 2018-06-26 新疆大学 A kind of water level and run-off Data collection and precessing system and method

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN202102582U (en) * 2010-12-23 2012-01-04 北京时代凌宇科技有限公司 Hydrological condition monitoring system
CN203037287U (en) * 2012-11-29 2013-07-03 宇星科技发展(深圳)有限公司 Water regimen RTU capable of remotely correcting time
US20170089798A1 (en) * 2015-09-24 2017-03-30 International Business Machines Corporation Water leakage detection based on smart electricity meter
CN105300909A (en) * 2015-12-02 2016-02-03 重庆大学 Direct power-spectral method-based all-weather long drainage basin water quality monitoring and early-warning system
CN106338312A (en) * 2016-11-08 2017-01-18 哈尔滨工业大学 Water body pollutant and hydrology monitoring early-warning/alarming method and system
CN108204848A (en) * 2017-12-21 2018-06-26 新疆大学 A kind of water level and run-off Data collection and precessing system and method

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