CN108958118A - A kind of Multiparameter water quality monitoring system and method - Google Patents

A kind of Multiparameter water quality monitoring system and method Download PDF

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Publication number
CN108958118A
CN108958118A CN201810804125.8A CN201810804125A CN108958118A CN 108958118 A CN108958118 A CN 108958118A CN 201810804125 A CN201810804125 A CN 201810804125A CN 108958118 A CN108958118 A CN 108958118A
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water
unit
module
data
water quality
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贾滨洋
王鑫
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Chengdu Environmental Protection Science Research Institute
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Chengdu Environmental Protection Science Research Institute
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05BCONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
    • G05B19/00Programme-control systems
    • G05B19/02Programme-control systems electric
    • G05B19/04Programme control other than numerical control, i.e. in sequence controllers or logic controllers
    • G05B19/042Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N27/00Investigating or analysing materials by the use of electric, electrochemical, or magnetic means
    • G01N27/02Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance
    • G01N27/04Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance
    • G01N27/06Investigating or analysing materials by the use of electric, electrochemical, or magnetic means by investigating impedance by investigating resistance of a liquid
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01NINVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N33/00Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
    • G01N33/18Water

Abstract

The invention discloses a kind of Multiparameter water quality monitoring system and method, a kind of Multiparameter water quality monitoring system includes adopting water unit, water dispensing unit, water quality testing unit, data acquisition unit, data processing unit, display unit and remote monitoring unit;Adopting water unit includes water pump, water supply pipe and power supply unit;Water dispensing unit includes automatic cleaning module and water sample preprocessing module;Water quality testing unit includes sensor unit;Data acquisition unit includes data conversion module and data acquisition module;Data processing unit includes information conditioning and isolation module, power module, microprocessor, key module and memory.The present invention improves the reliability of aquatic monitoring, different industries be can be realized to the detection demand of water quality parameter, and water quality parameter data can be carried out to the intuitive display of diagrammatic form, the system automation degree is high simultaneously, manpower and material resources are saved, the real time remote that can be realized water quality parameter continuously monitors.

Description

A kind of Multiparameter water quality monitoring system and method
Technical field
Present invention relates particularly to a kind of Multiparameter water quality monitoring system and methods.
Background technique
In recent years, with industrialization, the quickening of the continuous development of regional economy and urbanization paces, water pollution problems is increasingly It highlights, (such as agricultural irrigation and aquatic products are supported for daily life (such as drinking water safety), the agricultural production for seriously affecting urban and rural residents Grow) and the every field such as industrial production, accurate water quality detection result there is important guidance to the modern life and production Meaning.
Traditional water quality monitoring includes that sampling and analytic process, monitoring method mainly have offline and online two ways, Currently, domestic with being most widely still off-line monitoring mode, offline mode is by artificial spot sampling, and by the water of acquisition Sample is sent to laboratory by special instrument device analysis, but the generally existing sampling error of this mode is big, large labor intensity, monitoring The frequency is low, monitoring data dispersion and can not Real-time Feedback water environment situation continuous dynamic change the defects of, it is difficult to meet political affairs The demand of the supervision of mansion relevant departments and enterprise itself monitoring, meanwhile, different industries may demand to water quality parameter it is different, Drinking water field and the required water quality parameter obtained of aquaculture field are with regard to different in one case, therefore can not obtain and determine The water quality parameter of system.
Summary of the invention
The present invention provides a kind of Multiparameter water quality monitoring system and method, can solve the above problems.
A kind of Multiparameter water quality monitoring system and method, including adopt water unit, water dispensing unit, water quality testing unit, data Acquisition unit, data processing unit, display unit and remote monitoring unit;
The water unit of adopting for acquiring water body to be measured, it is described adopt water unit include water pump, water supply pipe and for for The water pump provides the power supply unit of electric energy;
The water dispensing unit is used to filter water body to be measured to meet requirement of the water quality testing unit to water and water quality, The water dispensing unit includes automatic cleaning module and water sample preprocessing module, and the automatic cleaning module is for filtering water to be measured Body, the water sample preprocessing module make the water of water body to be measured and water quality meet the water quality detection for handling water body to be measured Unit requirement;
The water quality testing unit is used to detect water temperature, dissolved oxygen, PH, conductivity, turbidity and the oxidation of water body to be measured Reducing power, the water quality testing unit include sensor unit;
The data acquisition unit is used to handle the water quality parameter data of the water quality testing unit acquisition, and the data are adopted Collection unit includes data conversion module and data acquisition module, and the data conversion module is for acquiring the sensor unit The physical quantity of water quality data be converted to standard electric signal, the data acquisition module is for obtaining the data conversion module Standard electric signal, that is, analog quantity be converted to digital quantity;
The data processing unit include information conditioning with isolation module, power module, microprocessor, key module and Memory, the information conditioning are believed with the microprocessor respectively with isolation module, power module, key module and memory Number connection, information conditioning is with isolation module for being converted to the data that the data acquisition unit acquires suitable for described micro- The signal of processor processing, the power module are used to be the microprocessor power supply, and the key module is inputted for user Water quality parameter standard value, the memory are used to store the data of the microprocessor processes;
The display unit includes MODBUS communication module, display module, sound and light alarm module and noise reduction delustring key, The MODBUS communication module, sound and light alarm module and noise reduction delustring key are connect with the microprocessor signals respectively, institute It states MODBUS communication module to connect with the display module signal, the MODBUS communication module is used for transmission through micro- place Data to the display module of reason device processing is shown, and the sound and light alarm module is for issuing audible and visible alarm information to mention The parameter that the staff that wakes up is detected water body is exceeded, and the noise reduction delustring key is for stopping the sound and light alarm module work;
The remote monitoring unit includes data transmission module, remote monitoring center, database module and mobile phone terminal, The microprocessor, remote monitoring center and mobile phone terminal are connect with the data transmission module signal respectively, described long-range Monitoring center is connect with the database module signal, and the data transmission module transmits the data of the microprocessor processes To the remote monitoring center and mobile phone terminal, the database module is for storing the received number of the remote monitoring center According to;
The output end for adopting water unit is electrically connected to the input terminal of the water dispensing unit, the output of the water dispensing unit End is electrically connected to the input terminal of the water quality testing unit, and the output end of the water quality testing unit is electrically connected to the number According to the input terminal of acquisition unit, the output end of the data acquisition unit is electrically connected to the information conditioning and isolation module Input terminal.
Preferably, the sensor unit includes temperature sensor, dissolved oxygen sensor, pH value sensor, conductivity biography Sensor, turbidity transducer and redox sensor, the temperature sensor are passed for monitoring water temperature, the dissolved oxygen Sensor is used to monitor the oxygen content in water body, and the pH value sensor is used to monitor the pH value of water body, the conductivity sensors Device is used to monitor the conductive capability of water body, and the turbidity transducer is used to monitor the turbidity of water body, the redox sensor For monitoring the redox ability of water body.
Preferably, the microprocessor is the ARM microcontroller of STM32F series, and the data transmission module uses RS- 485 serial communications, the display module is liquid crystal display, when the sound and light alarm module sends a warning, the liquid crystal Display screen shows the warning mark picture that design parameter transfinites.
Preferably, the display module shows tested water quality parameter data using diagrammatic form.
Preferably, the remote monitoring unit further includes backup server and backup of memory, and the backup server is used It is backed up in the data stored to the database module to prevent loss of data, the backup of memory is used for described standby The data of part server backup are stored, the backup server respectively with the database module and backup of memory signal Connection.
A kind of multi-parameter water quality monitoring method, comprises the concrete steps that:
S1: the water unit of adopting is acquired water body to be measured using the water pump and is passed water body to be measured using the water supply pipe Transport to the water dispensing unit;
S2: the water dispensing unit filters water body to be measured using the automatic cleaning module, and is pre-processed using the water sample Resume module water body to be measured makes the water of water body to be measured and water quality meet the water quality testing unit requirement;
S3: the water quality testing unit receives the data handled by the water dispensing unit, to the water temperature of water body to be measured, molten Solution oxygen, PH, conductivity, turbidity and redox ability data are acquired;
S4: the data acquisition unit receives the data of the water quality testing unit acquisition, utilizes the data conversion mould The physical quantity for the water quality data that the sensor unit acquires is converted to standard electric signal by block, utilizes the data acquisition module The standard electric signal i.e. analog quantity that the data conversion module obtains is converted into digital quantity;
S5: information conditioning and isolation module receive the data that the data acquisition unit is sent, and by received number According to the signal be converted to suitable for the microprocessor processes, by treated, data are stored to the memory microprocessor In saved;
S6: by treated, data are respectively sent to the display unit and remote monitoring unit to the microprocessor;Institute It states display unit to show using water quality parameter data of the display module to tested water body, when the water quality parameter number measured According to it is exceeded when, the water quality parameter that the sound and light alarm module issues audible and visible alarm information to remind staff to be detected water body is super The water quality parameter standard value that system is set according to different demands is crossed, and shows the report that design parameter transfinites using the display module Alert mark picture;The remote monitoring unit carries out tested water body water quality parameter using the remote monitoring center and mobile phone terminal Remote real-time monitoring.
The beneficial effects of the present invention are: a kind of Multiparameter water quality monitoring system provided by the invention and method, by described Data acquisition unit and data processing unit accurately handle the water quality parameter of water body to be measured, and improve aquatic monitoring can By property, different industries can be realized to the detection demand of water quality parameter by the key module and microprocessor, and can incite somebody to action Water quality parameter data carry out the intuitive display of diagrammatic form using the display unit and remote monitoring unit, while the system is certainly Dynamicization degree is high, saves manpower and material resources, the real time remote that can be realized water quality parameter continuously monitors.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this Some embodiments of invention for those of ordinary skill in the art without creative efforts, can be with It obtains other drawings based on these drawings.
Fig. 1 is that a kind of electric system of Multiparameter water quality monitoring system provided in an embodiment of the present invention connects block diagram;
Fig. 2 adopts water unit system block diagram to be provided in an embodiment of the present invention;
Fig. 3 is water dispensing unit system block diagram provided in an embodiment of the present invention;
Fig. 4 is water quality testing unit system block diagram provided in an embodiment of the present invention;
Fig. 5 is data acquisition unit system block diagram provided in an embodiment of the present invention;
Fig. 6 is sensor unit system block diagram provided in an embodiment of the present invention.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
As shown in Figures 1 to 6, a kind of Multiparameter water quality monitoring system and method, including adopt water unit, water dispensing unit, water Quality detection unit, data acquisition unit, data processing unit, display unit and remote monitoring unit;
The water unit of adopting for acquiring water body to be measured, it is described adopt water unit include water pump, water supply pipe and for for The water pump provides the power supply unit of electric energy;
The water dispensing unit is used to filter water body to be measured to meet requirement of the water quality testing unit to water and water quality, The water dispensing unit includes automatic cleaning module and water sample preprocessing module, and the automatic cleaning module is for filtering water to be measured Body, the water sample preprocessing module make the water of water body to be measured and water quality meet the water quality detection for handling water body to be measured Unit requirement;
The water quality testing unit is used to detect water temperature, dissolved oxygen, PH, conductivity, turbidity and the oxidation of water body to be measured Reducing power, the water quality testing unit include sensor unit;
The data acquisition unit is used to handle the water quality parameter data of the water quality testing unit acquisition, and the data are adopted Collection unit includes data conversion module and data acquisition module, and the data conversion module is for acquiring the sensor unit The physical quantity of water quality data be converted to standard electric signal, the data acquisition module is for obtaining the data conversion module Standard electric signal, that is, analog quantity be converted to digital quantity;
The data processing unit include information conditioning with isolation module, power module, microprocessor, key module and Memory, the information conditioning are believed with the microprocessor respectively with isolation module, power module, key module and memory Number connection, information conditioning is with isolation module for being converted to the data that the data acquisition unit acquires suitable for described micro- The signal of processor processing, the power module are used to be the microprocessor power supply, and the key module is inputted for user Water quality parameter standard value, the memory are used to store the data of the microprocessor processes;
The display unit includes MODBUS communication module, display module, sound and light alarm module and noise reduction delustring key, The MODBUS communication module, sound and light alarm module and noise reduction delustring key are connect with the microprocessor signals respectively, institute It states MODBUS communication module to connect with the display module signal, the MODBUS communication module is used for transmission through micro- place Data to the display module of reason device processing is shown, and the sound and light alarm module is for issuing audible and visible alarm information to mention The parameter that the staff that wakes up is detected water body is exceeded, and the noise reduction delustring key is for stopping the sound and light alarm module work;
The remote monitoring unit includes data transmission module, remote monitoring center, database module and mobile phone terminal, The microprocessor, remote monitoring center and mobile phone terminal are connect with the data transmission module signal respectively, described long-range Monitoring center is connect with the database module signal, and the data transmission module transmits the data of the microprocessor processes To the remote monitoring center and mobile phone terminal, the database module is for storing the received number of the remote monitoring center According to;
The output end for adopting water unit is electrically connected to the input terminal of the water dispensing unit, the output of the water dispensing unit End is electrically connected to the input terminal of the water quality testing unit, and the output end of the water quality testing unit is electrically connected to the number According to the input terminal of acquisition unit, the output end of the data acquisition unit is electrically connected to the information conditioning and isolation module Input terminal.
Preferably, the sensor unit includes temperature sensor, dissolved oxygen sensor, pH value sensor, conductivity biography Sensor, turbidity transducer and redox sensor, the temperature sensor is for monitoring water temperature, wherein the temperature The model pt100 of sensor is spent, the dissolved oxygen sensor is used to monitor the oxygen content in water body, the pH value sensor For monitoring the pH value of water body, the conductivity sensor is used to monitor the conductive capability of water body, and the turbidity transducer is used for The turbidity of water body is monitored, turbidity refers to the obstruction degree occurred when suspended matter penetrates light in water.It is silt in water, small Inorganic matter and planktonic organism etc. all have an impact to the turbidity of water body, the redox sensor is used to monitor the oxygen of water body Change reducing power.
Preferably, the microprocessor is the ARM microcontroller of STM32F series, and the data transmission module uses RS- 485 serial communications, the display module is liquid crystal display, when the sound and light alarm module sends a warning, the liquid crystal Display screen shows the warning mark picture that design parameter transfinites.
Preferably, the display module shows tested water quality parameter data using diagrammatic form.
Preferably, the remote monitoring unit further includes backup server and backup of memory, and the backup server is used It is backed up in the data stored to the database module to prevent loss of data, the backup of memory is used for described standby The data of part server backup are stored, the backup server respectively with the database module and backup of memory signal Connection.
A kind of multi-parameter water quality monitoring method, comprises the concrete steps that:
S1: the water unit of adopting is acquired water body to be measured using the water pump and is passed water body to be measured using the water supply pipe Transport to the water dispensing unit;
S2: the water dispensing unit filters water body to be measured using the automatic cleaning module, and is pre-processed using the water sample Resume module water body to be measured makes the water of water body to be measured and water quality meet the water quality testing unit requirement;
S3: the water quality testing unit receives the data handled by the water dispensing unit, to the water temperature of water body to be measured, molten Solution oxygen, PH, conductivity, turbidity and redox ability data are acquired;
S4: the data acquisition unit receives the data of the water quality testing unit acquisition, utilizes the data conversion mould The physical quantity for the water quality data that the sensor unit acquires is converted to standard electric signal by block, utilizes the data acquisition module The standard electric signal i.e. analog quantity that the data conversion module obtains is converted into digital quantity;
S5: information conditioning and isolation module receive the data that the data acquisition unit is sent, and by received number According to the signal be converted to suitable for the microprocessor processes, by treated, data are stored to the memory microprocessor In saved;
S6: by treated, data are respectively sent to the display unit and remote monitoring unit to the microprocessor;Institute It states display unit to show using water quality parameter data of the display module to tested water body, when the water quality parameter number measured According to it is exceeded when, the water quality parameter that the sound and light alarm module issues audible and visible alarm information to remind staff to be detected water body is super The water quality parameter standard value that system is set according to different demands is crossed, and shows the report that design parameter transfinites using the display module Alert mark picture;The remote monitoring unit carries out tested water body water quality parameter using the remote monitoring center and mobile phone terminal Remote real-time monitoring.
A kind of Multiparameter water quality monitoring system provided by the invention and method, at the data acquisition unit and data Reason unit accurately handles the water quality parameter of water body to be measured, improves the reliability of aquatic monitoring, passes through the key mould Block and microprocessor can be realized different industries to the detection demand of water quality parameter, and can will be described in water quality parameter data utilize Display unit and remote monitoring unit carry out the intuitive display of diagrammatic form, while the system automation degree is high, saves people Power material resources, the real time remote that can be realized water quality parameter continuously monitor.
Obviously, various changes and modifications can be made to the invention without departing from essence of the invention by those skilled in the art Mind and range.In this way, if these modifications and changes of the present invention belongs to the range of the claims in the present invention and its equivalent technologies Within, then the present invention is also intended to include these modifications and variations.

Claims (6)

1. a kind of Multiparameter water quality monitoring system, which is characterized in that including adopting water unit, water dispensing unit, water quality testing unit, number According to acquisition unit, data processing unit, display unit and remote monitoring unit;
The water unit of adopting is used to acquire water body to be measured, and the water unit of adopting includes water pump, water supply pipe and is used to be described The power supply unit of water pump offer electric energy;
The water dispensing unit is used to filter water body to be measured to meet requirement of the water quality testing unit to water and water quality, described Water dispensing unit includes automatic cleaning module and water sample preprocessing module, and the automatic cleaning module is for filtering water body to be measured, institute It states water sample preprocessing module and makes the water of water body to be measured and water quality meet the water quality testing unit for handling water body to be measured It is required that;
The water quality testing unit is used to detect water temperature, dissolved oxygen, PH, conductivity, turbidity and the redox of water body to be measured Ability, the water quality testing unit include sensor unit;
The data acquisition unit is used to handle the water quality parameter data of the water quality testing unit acquisition, and the data acquisition is single Member includes data conversion module and data acquisition module, and the data conversion module is used for the water for acquiring the sensor unit The physical quantity of prime number evidence is converted to standard electric signal, and the data acquisition module is used for the mark for obtaining the data conversion module Quasi- electric signal, that is, analog quantity is converted to digital quantity;
The data processing unit includes information conditioning and isolation module, power module, microprocessor, key module and storage Device, the information conditioning connect with the microprocessor signals respectively with isolation module, power module, key module and memory It connects, the information conditioning is with isolation module for being converted to the data that the data acquisition unit acquires suitable for the micro process The signal of device processing, the power module are used to be the microprocessor power supply, and the key module inputs water quality for user Parameter standard value, the memory are used to store the data of the microprocessor processes;
The display unit includes MODBUS communication module, display module, sound and light alarm module and noise reduction delustring key, described MODBUS communication module, sound and light alarm module and noise reduction delustring key are connect with the microprocessor signals respectively, described MODBUS communication module is connect with the display module signal, and the MODBUS communication module is used for transmission through the micro process Data to the display module of device processing is shown, and the sound and light alarm module is for issuing audible and visible alarm information to remind The parameter that staff is detected water body is exceeded, and the noise reduction delustring key is for stopping the sound and light alarm module work;
The remote monitoring unit includes data transmission module, remote monitoring center, database module and mobile phone terminal, described Microprocessor, remote monitoring center and mobile phone terminal are connect with the data transmission module signal respectively, the long-range monitoring Center is connect with the database module signal, and the data of the microprocessor processes are transmitted to institute by the data transmission module Remote monitoring center and mobile phone terminal are stated, the database module is for storing the received data of the remote monitoring center;
The output end for adopting water unit is electrically connected to the input terminal of the water dispensing unit, the output end electricity of the water dispensing unit Property is connected to the input terminal of the water quality testing unit, and the output end of the water quality testing unit is electrically connected to the data and adopts Collect the input terminal of unit, the output end of the data acquisition unit is electrically connected to the input of the information conditioning and isolation module End.
2. a kind of Multiparameter water quality monitoring system as described in claim 1, which is characterized in that the sensor unit includes temperature Spend sensor, dissolved oxygen sensor, pH value sensor, conductivity sensor, turbidity transducer and redox sensor, institute It states temperature sensor and is used to monitor the oxygen content in water body, the PH for monitoring water temperature, the dissolved oxygen sensor Value sensor is used to monitor the pH value of water body, and the conductivity sensor is used to monitor the conductive capability of water body, and the turbidity passes Sensor is used to monitor the turbidity of water body, and the redox sensor is used to monitor the redox ability of water body.
3. a kind of Multiparameter water quality monitoring system as described in claim 1, which is characterized in that the microprocessor is STM32F The ARM microcontroller of series, the data transmission module use RS-485 serial communication, and the display module is liquid crystal display Screen, when the sound and light alarm module sends a warning, the liquid crystal display shows the warning mark figure that design parameter transfinites Piece.
4. a kind of Multiparameter water quality monitoring system as described in claim 1, which is characterized in that the display module uses chart Form shows tested water quality parameter data.
5. a kind of Multiparameter water quality monitoring system as described in claim 1, which is characterized in that the remote monitoring unit also wraps Backup server and backup of memory are included, the data that the backup server is used to store the database module back up To prevent loss of data, the data that the backup of memory is used to back up the backup server are stored, the backup Server is connect with the database module and backup of memory signal respectively.
6. a kind of multi-parameter water quality monitoring method, which is characterized in that comprise the concrete steps that:
S1: the water unit of adopting is acquired water body to be measured using the water pump and is transmitted to water body to be measured using the water supply pipe The water dispensing unit;
S2: the water dispensing unit filters water body to be measured using the automatic cleaning module, and utilizes the water sample preprocessing module Handling water body to be measured makes the water of water body to be measured and water quality meet the water quality testing unit requirement;
S3: the water quality testing unit receives the data handled by the water dispensing unit, water temperature, dissolution to water body to be measured Oxygen, PH, conductivity, turbidity and redox ability data are acquired;
S4: the data acquisition unit receives the data of the water quality testing unit acquisition, will using the data conversion module The physical quantity of the water quality data of sensor unit acquisition is converted to standard electric signal, using the data acquisition module by institute The standard electric signal i.e. analog quantity for stating data conversion module acquisition is converted to digital quantity;
S5: the information conditioning receives the data that the data acquisition unit is sent with isolation module, and received data are turned Be changed to the signal suitable for the microprocessor processes, the microprocessor will treated data store into the memory into Row saves;
S6: by treated, data are respectively sent to the display unit and remote monitoring unit to the microprocessor;It is described aobvious Show that unit is shown using water quality parameter data of the display module to tested water body, when the water quality parameter data measured are super When mark, it is more than to be that the sound and light alarm module, which issues audible and visible alarm information to remind staff to be detected the water quality parameter of water body, The water quality parameter standard value that system is set according to different demands, and the alarm mark that design parameter transfinites is shown using the display module Will picture;The remote monitoring unit carries out the remote of tested water body water quality parameter using the remote monitoring center and mobile phone terminal Journey real time monitoring.
CN201810804125.8A 2018-07-20 2018-07-20 A kind of Multiparameter water quality monitoring system and method Pending CN108958118A (en)

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CN109828094A (en) * 2019-04-04 2019-05-31 大连理工大学 A kind of data collection process method of multilayer multi-parameter water quality data parallel monitoring system
CN110261559A (en) * 2019-07-05 2019-09-20 武汉理工大学 Water pollution sensor-based system
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WO2022027615A1 (en) * 2020-08-05 2022-02-10 海德星科技南京有限公司 Automatic river water quality monitoring system-based signal processing circuit and processing method
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CN112816645A (en) * 2020-12-31 2021-05-18 深圳市水务技术服务有限公司 Water body identification system and method
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