CN114910620A - Water quality sensing system and method with monitoring frequency capable of being automatically adjusted - Google Patents

Water quality sensing system and method with monitoring frequency capable of being automatically adjusted Download PDF

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Publication number
CN114910620A
CN114910620A CN202210584499.XA CN202210584499A CN114910620A CN 114910620 A CN114910620 A CN 114910620A CN 202210584499 A CN202210584499 A CN 202210584499A CN 114910620 A CN114910620 A CN 114910620A
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water quality
module
quality sensor
data
monitoring
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Chinese (zh)
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张学治
刘青玲
徐聪
李静
李成
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Institute of Hydrobiology of CAS
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Institute of Hydrobiology of CAS
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18—Water
    • G01N33/1886—Water using probes, e.g. submersible probes, buoys
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/03—Cooperating elements; Interaction or communication between different cooperating elements or between cooperating elements and receivers
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/13—Receivers
    • G01S19/34—Power consumption
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/42—Determining position
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
    • G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
    • G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
    • G01S19/52—Determining velocity
    • G—PHYSICS
    • G08—SIGNALLING
    • G08C—TRANSMISSION SYSTEMS FOR MEASURED VALUES, CONTROL OR SIMILAR SIGNALS
    • G08C17/00—Arrangements for transmitting signals characterised by the use of a wireless electrical link
    • G08C17/02—Arrangements for transmitting signals characterised by the use of a wireless electrical link using a radio link
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A20/00—Water conservation; Efficient water supply; Efficient water use
    • Y02A20/152—Water filtration

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  • Engineering & Computer Science (AREA)
  • Remote Sensing (AREA)
  • Radar, Positioning & Navigation (AREA)
  • General Physics & Mathematics (AREA)
  • Physics & Mathematics (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Immunology (AREA)
  • Pathology (AREA)
  • Analytical Chemistry (AREA)
  • Medicinal Chemistry (AREA)
  • Food Science & Technology (AREA)
  • Testing Or Calibration Of Command Recording Devices (AREA)

Abstract

The invention relates to the technical field of water quality sensors, in particular to a water quality sensing system and a water quality sensing method with automatically adjustable monitoring frequency, wherein the water quality sensor is movably connected with an external module through an interface end, the external module collects and stores monitoring data of the water quality sensor, and sends the data collected by a data collection and storage module to a server through wireless communication; the water quality sensor is arranged below the water surface, and when the water quality sensor is monitored at a stagnation point, the external module is arranged on the shore or the floating body; when the water quality sensor is in moving monitoring, the external module is directly arranged on the body and moves along with the movement of the water quality sensor, and the GPS module is added into the external module to automatically fuse point location and water quality data.

Description

Water quality sensing system and method with monitoring frequency capable of being automatically adjusted
Technical Field
The invention relates to the technical field of water quality sensors, in particular to a water quality sensing system and a water quality sensing method with automatically adjustable monitoring frequency.
Background
At present, when a water quality sensor is used for mobile monitoring, the monitoring frequency of the water quality sensor is difficult to automatically adjust according to an actual monitoring task. When the unmanned ship carries the water quality sensor to carry out mobile monitoring, a monitoring site is generally preset, and when the unmanned ship drives into the monitoring site, the unmanned ship automatically stops to obtain water quality data. The frequency of acquiring water quality data cannot be adjusted in real time according to the monitoring site and the moving rate.
If the monitoring frequency is not adjusted, excessive invalid data acquisition and transmission occur; generally, water quality monitoring data have time and monitoring indexes, if a water quality sensor continuously moves, a server needs to find out a corresponding monitoring task point according to the time after taking the data, and if the water quality monitoring data are not related to a GPS monitoring site, the burden of manually screening the data is increased.
The prior art has the following defects: when a water quality sensor is used for mobile monitoring at present, the monitoring frequency of the water quality sensor is difficult to automatically adjust according to an actual monitoring task, and if the monitoring frequency is not adjusted, excessive invalid data acquisition and transmission occur.
Generally, water quality monitoring data have time and monitoring indexes, when mobile monitoring is carried out, a server needs to find out corresponding monitoring task points according to the time after taking the data, and if the water quality monitoring data are not associated with GPS monitoring sites, the burden of manually screening the data is increased.
The invention provides a water quality sensing system and a method with automatically adjustable monitoring frequency, which automatically fuse point position data and water quality data through a GPS module. The moving speed provided by the GPS module can be used for automatically adjusting the monitoring frequency, so that the sampling frequency is increased in the moving process, the water quality parameters of different water areas are dynamically acquired, the sampling frequency is automatically reduced in a fixed state, invalid data are reduced, and the load of data acquisition and transmission and the burden of artificially screening data are reduced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention discloses a water quality sensing system with automatically adjustable monitoring frequency and a method thereof, which are used for solving the problems.
The invention is realized by the following technical scheme:
in a first aspect, the invention provides a water quality sensing system with automatically adjustable monitoring frequency, which comprises a water quality sensor, wherein the water quality sensor is movably connected with an external module through an interface end, the external module collects and stores monitoring data of the water quality sensor and sends the data collected by a data collecting and storing module to a server through wireless communication; the water quality sensor is arranged below the water surface, wherein when the water quality sensor is monitored at a stagnation point, the external module is arranged on the shore or a floating body; when the water quality sensor moves to monitor, the external module is directly installed on the body and moves along with the movement of the water quality sensor.
Furthermore, the water quality sensor is provided with a hanging ring, a cable and an interface end.
Furthermore, the external module comprises an external module interface end, a control module, a GPS module, a power supply module, a wireless communication module and a data acquisition and storage module.
Furthermore, the control module is electrically connected with the GPS module, the power supply module, the wireless communication module and the data acquisition and storage module.
Furthermore, the power supply module supplies power to the control module and the water quality sensor.
Furthermore, the data acquisition and storage module is connected with the interface end of the water quality sensor body through the interface end of the external module, and acquires and stores the monitoring data of the water quality sensor.
Further, the wireless communication module transmits the data collected by the data collecting and storing module to the server through wireless communication.
Further, the GPS module tracks the location time, the location of the water quality sensor, and the speed at which the water quality sensor is moving.
In a second aspect, the invention provides a water quality sensing method with automatically adjustable monitoring frequency, the method uses the water quality sensing system with automatically adjustable monitoring frequency of the first aspect, when the method is used for monitoring a stationary point, and when a water quality sensor is fixedly installed for data acquisition, the moving speed of the water quality sensor displayed by a GPS module is 0 or less than a certain value, namely V is less than or equal to n, the control system sets the moving speed V to be less than or equal to n and lasts for 1min, and the data acquisition and storage module acquires the frequency: f = a; when the data is not collected, the water quality sensor automatically enters a dormant state.
Furthermore, when the method is used for mobile monitoring, and the water quality sensor continuously moves to acquire data, the GPS module can display the average moving speed of the water quality sensor asVIf the data acquisition and storage module acquires the data with the frequency f = grid spacing/average moving speed =
Figure 970894DEST_PATH_IMAGE001
。
The invention has the beneficial effects that:
according to the invention, the water quality monitoring time, the position of the water quality sensor and the moving speed of the water quality sensor are tracked and positioned according to the GPS module, so that the trouble of searching the corresponding relation between a task point and time and a monitoring index during moving monitoring is eliminated, and the trouble of always acquiring and transmitting the traditional invalid data and manually screening the data is reduced. Meanwhile, the monitoring frequency can be automatically adjusted, and the water quality sensor is in a dormant state at the data non-acquisition stage and has low power consumption.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a diagram of a water quality sensor structure with automatically adjustable monitoring frequency and two installation modes of the water quality sensor structure;
FIG. 2 is a schematic diagram of the hardware structure of the external part of the present invention;
FIG. 3 is a diagram of a water quality sensor continuous movement route according to the present invention;
FIG. 4 is a comparison graph of the frequency of data acquisition by a water quality sensor and the frequency of data acquisition by a conventional water quality sensor during mobile monitoring.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
Referring to fig. 1 and 2, the embodiment provides a water quality sensor with automatically adjustable monitoring frequency, which includes a water quality sensor body and an external module, wherein an interface end 6 of the water quality sensor body is movably connected with the external module 4.
The sensor body of the embodiment comprises a water quality sensor 1, a hanging ring 2, a cable 3 and an interface end 6.
The external module 4 of this embodiment includes an external module interface terminal 5, a control module 105, a GPS module 103, a power supply module 102, a wireless communication module 101, and a data acquisition and storage module 104, where the control module 105 is electrically connected to the GPS module 103, the power supply module 102, the wireless communication module 101, and the data acquisition and storage module 104.
The power supply module 102 of the present embodiment supplies power to the control module 105 and the water quality sensor 1.
The data acquisition and storage module 104 of the embodiment is connected with the interface end 6 of the water quality sensor body through the interface end 5 of the external module 4, and acquires and stores monitoring data of the water quality sensor.
The wireless communication module 101 of the present embodiment transmits the data acquired by the data acquisition and storage module 104 to the server through wireless communication.
The GPS module 103 of this embodiment tracks the location time, the position of the water quality sensor, and the speed at which the water quality sensor moves.
The external module 4 of the present embodiment has a high strength waterproof grade. As a preferred implementation of this embodiment, the external module has two installation methods: a water quality sensor stagnation monitoring and B water quality sensor mobile monitoring. When the water quality sensor is in a stationary monitoring state, the body of the water quality sensor is arranged below the water surface, and the external module is arranged on the shore or the floating body; when the water quality sensor moves for monitoring, the body part of the water quality sensor is installed below the water surface, and the external module of the water quality sensor is directly installed on the body and moves along with the movement of the water quality sensor.
Example 2
In a specific implementation level, referring to fig. 3, the present embodiment is described with reference to a continuous moving path of the water quality sensor, and the monitoring frequency of the continuous moving path is adjustable depending on the GPS module tracking and positioning time, the position of the water quality sensor, and the moving speed of the water quality sensor.
In this embodiment, when the water quality sensor is V 1 When the speed of (c) moves in the grid interval, the monitoring frequency is f 1 = grid spacing/V 1 。
In this embodiment, when the water quality sensor is V 2 When the speed of (2) moves in the grid interval, the monitoring frequency is f 2 = grid spacing/V 2 (ii) a Similarly, when the water quality sensor is V 5 When the speed of the grid moves within the fifth time, the monitoring frequency is f 5 = grid spacing/V 5 。
Referring to fig. 4, when the continuous mobile monitoring is performed by using embodiment 1 of the present invention, the frequency of acquiring the monitoring data of the water quality sensor of the present invention is compared with the frequency of acquiring the monitoring data of the conventional water quality sensor. The traditional water quality sensor monitoring data is plotted, the abscissa is time, the ordinate is a monitoring index, the representation means that monitoring index values at different time and different sites are represented, and the monitoring frequency is unchanged.
In the present embodiment, it is not known in which time slot the monitoring index is measured at which monitoring point, by only looking at this data map. The mobile water quality monitoring data acquisition frequency is adjustable, the data is mapped, the abscissa is a GPS locus, the ordinate is a monitoring index, the representative meaning is a monitoring index value of different loci, and the monitoring frequency can be intelligently adjusted according to the monitoring requirement.
Example 3
The embodiment provides a water quality sensing method with automatically adjustable monitoring frequency, when a stationing point is monitored and a water quality sensor is fixedly installed for data acquisition, the moving speed of the water quality sensor displayed by a GPS module is 0 or less than a certain value, namely V is less than or equal to n, a control system sets the moving speed V to be less than or equal to n and lasts for 1min, and the acquisition frequency of a data acquisition and storage module is as follows: f = a; when the data is not collected, the water quality sensor automatically enters a dormant state.
When the method is used for mobile monitoring, and the water quality sensor continuously moves to acquire data, the GPS module can display the average moving speed of the water quality sensor asVIf the data acquisition and storage module acquires the data with the frequency f = grid spacing/average moving speed =
Figure 281789DEST_PATH_IMAGE002
。
In conclusion, according to the invention, the water quality monitoring time, the position of the water quality sensor and the moving speed of the water quality sensor are tracked and positioned by the GPS module, so that the trouble of searching the corresponding relation between a task point and time and a monitoring index during moving monitoring is eliminated, and the load of always acquiring and transmitting traditional invalid data and the trouble of manually screening the data are reduced. Meanwhile, the monitoring frequency can be automatically adjusted, and the water quality sensor is in a dormant state at the data non-acquisition stage and has low power consumption.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims (10)

1. A water quality sensing system with automatically adjustable monitoring frequency is characterized by comprising a water quality sensor, wherein the water quality sensor is movably connected with an external module through an interface end, the external module collects and stores monitoring data of the water quality sensor, a GPS module is contained in the external module and is used for automatically fusing point position data and water quality data, and the data collected by a data collection and storage module is sent to a server through wireless communication; the water quality sensor is arranged below the water surface, wherein when the water quality sensor is monitored at a stagnation point, the external module is arranged on the shore or a floating body; when the water quality sensor moves and monitors, the external module is directly installed on the body and moves along with the movement of the water quality sensor.
2. The water quality sensing system with the automatically adjustable monitoring frequency as claimed in claim 1, wherein the water quality sensor is provided with a hanging ring, a cable and a port end.
3. The water quality sensing system with the monitoring frequency capable of being automatically adjusted according to claim 1, wherein the external module comprises an external module interface end, a control module, a GPS module, a power supply module, a wireless communication module and a data acquisition and storage module.
4. The water quality sensing system with the monitoring frequency capable of being automatically adjusted according to claim 3, wherein the control module is electrically connected with the GPS module, the power supply module, the wireless communication module and the data acquisition and storage module.
5. The water quality sensing system with the automatically adjustable monitoring frequency as claimed in claim 3, wherein the power supply module supplies power to the control module and the water quality sensor.
6. The water quality sensing system with the monitoring frequency capable of being automatically adjusted according to claim 3, wherein the data acquisition and storage module is connected with the interface end of the water quality sensor body through the interface end of the external module to acquire and store the monitoring data of the water quality sensor.
7. The water quality sensing system with the automatically adjustable monitoring frequency as claimed in claim 3, wherein the wireless communication module transmits the data collected by the data collecting and storing module to the server through wireless communication.
8. The system of claim 3, wherein the GPS module tracks the location time, the position of the water quality sensor, and the speed at which the water quality sensor is moving.
9. A water quality sensing method with automatically adjustable monitoring frequency is characterized in that when a water quality sensor is fixedly installed to collect data in the method of monitoring a stationary point, the moving speed of the water quality sensor displayed by a GPS module is 0 or less than a certain value, namely V is less than or equal to n, the control system sets the moving speed V to be less than or equal to n and lasts for 1min, and the collecting frequency of a data collecting and storing module is as follows: f = a; when the data is not collected, the water quality sensor automatically enters a dormant state.
10. The method as claimed in claim 9, wherein the monitoring frequency is automatically adjustedWhen the method is used for mobile monitoring, and the water quality sensor continuously moves to acquire data, the GPS module can display the average moving speed of the water quality sensor asVIf the data acquisition and storage module acquires the data with the frequency f = grid spacing/average moving speed =
Figure DEST_PATH_IMAGE001
。
CN202210584499.XA 2022-05-27 2022-05-27 Water quality sensing system and method with monitoring frequency capable of being automatically adjusted Pending CN114910620A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115980297A (en) * 2023-03-20 2023-04-18 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Hydrogeology is monitoring devices for investigation

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CN205664866U (en) * 2016-05-31 2016-10-26 广东海洋大学 Ocean quality of water data acquisition system of on -board
CN107623733A (en) * 2017-09-18 2018-01-23 南昌工程学院 A kind of electric power networks monitoring system based on cloud platform
CN207662890U (en) * 2017-12-12 2018-07-27 河北国呈电子科技有限公司 Water quality monitoring system based on Internet of Things and platform
CN112051377A (en) * 2020-09-29 2020-12-08 南昌工程学院 Water environment monitoring frequency self-adjusting system and method adapting to weather change
CN113252859A (en) * 2021-05-11 2021-08-13 莫宏伟 Deep open sea large-range ocean water quality automatic monitoring system
CN114115221A (en) * 2021-09-28 2022-03-01 中国科学院水生生物研究所 Water ecological factor in-situ monitoring device and method based on unmanned ship

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Publication number Priority date Publication date Assignee Title
US20110115640A1 (en) * 2009-11-19 2011-05-19 National Taiwan University Automated remote water quality monitoring system with wireless communication capabilities and the method thereof
CN205664866U (en) * 2016-05-31 2016-10-26 广东海洋大学 Ocean quality of water data acquisition system of on -board
CN107623733A (en) * 2017-09-18 2018-01-23 南昌工程学院 A kind of electric power networks monitoring system based on cloud platform
CN207662890U (en) * 2017-12-12 2018-07-27 河北国呈电子科技有限公司 Water quality monitoring system based on Internet of Things and platform
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CN113252859A (en) * 2021-05-11 2021-08-13 莫宏伟 Deep open sea large-range ocean water quality automatic monitoring system
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115980297A (en) * 2023-03-20 2023-04-18 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Hydrogeology is monitoring devices for investigation
CN115980297B (en) * 2023-03-20 2023-06-02 山东省地质矿产勘查开发局八〇一水文地质工程地质大队(山东省地矿工程勘察院) Monitoring device for hydrogeology investigation

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