CN116149244B - System for monitoring ship sewage storage, transfer and delivery process - Google Patents
System for monitoring ship sewage storage, transfer and delivery process Download PDFInfo
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- CN116149244B CN116149244B CN202210900497.7A CN202210900497A CN116149244B CN 116149244 B CN116149244 B CN 116149244B CN 202210900497 A CN202210900497 A CN 202210900497A CN 116149244 B CN116149244 B CN 116149244B
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- 239000010865 sewage Substances 0.000 title claims abstract description 255
- 238000012544 monitoring process Methods 0.000 title claims abstract description 144
- 238000003860 storage Methods 0.000 title claims abstract description 70
- 238000000034 method Methods 0.000 title claims abstract description 57
- 238000012384 transportation and delivery Methods 0.000 title claims abstract description 14
- 238000012546 transfer Methods 0.000 title claims abstract description 11
- 238000003032 molecular docking Methods 0.000 claims abstract description 42
- 238000004891 communication Methods 0.000 claims abstract description 33
- 238000007405 data analysis Methods 0.000 claims abstract description 14
- 230000002159 abnormal effect Effects 0.000 claims abstract description 13
- 239000007788 liquid Substances 0.000 claims description 84
- 210000001503 joint Anatomy 0.000 claims description 26
- 230000005540 biological transmission Effects 0.000 claims description 12
- 238000005259 measurement Methods 0.000 claims description 11
- 238000010295 mobile communication Methods 0.000 claims description 10
- 238000007599 discharging Methods 0.000 claims description 5
- 238000004458 analytical method Methods 0.000 claims description 4
- 238000012545 processing Methods 0.000 claims description 4
- 238000001514 detection method Methods 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 claims description 3
- 238000004148 unit process Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 4
- 238000007726 management method Methods 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000007812 deficiency Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/048—Monitoring; Safety
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- G—PHYSICS
- G08—SIGNALLING
- G08B—SIGNALLING OR CALLING SYSTEMS; ORDER TELEGRAPHS; ALARM SYSTEMS
- G08B21/00—Alarms responsive to a single specified undesired or abnormal condition and not otherwise provided for
- G08B21/18—Status alarms
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/30—Services specially adapted for particular environments, situations or purposes
- H04W4/40—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P]
- H04W4/44—Services specially adapted for particular environments, situations or purposes for vehicles, e.g. vehicle-to-pedestrians [V2P] for communication between vehicles and infrastructures, e.g. vehicle-to-cloud [V2C] or vehicle-to-home [V2H]
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- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P90/00—Enabling technologies with a potential contribution to greenhouse gas [GHG] emissions mitigation
- Y02P90/02—Total factory control, e.g. smart factories, flexible manufacturing systems [FMS] or integrated manufacturing systems [IMS]
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Abstract
The system for monitoring the sewage storage, transfer and delivery process of the ship comprises a sewage disposal ship-borne monitoring subsystem, a sewage receiving ship-borne monitoring subsystem, a port sewage receiving monitoring subsystem, an individual identification and docking subsystem and an Internet cloud server, wherein the individual identification and docking subsystem is arranged on a personal information terminal and comprises an individual identity identification unit and a sewage discharge individual docking reporting unit; the internet cloud server is used for receiving the monitoring and positioning data transmitted by the corresponding system control and communication units in the sewage disposal ship, the sewage disposal ship and the port sewage disposal monitoring subsystem, and the individual recognition and individual docking data transmitted by the docking subsystem, analyzing the data and implementing early warning or alarming aiming at abnormal conditions. The invention can realize the monitoring of the whole process of storing, transporting and delivering the ship sewage, can carry out targeted alarm or early warning through real-time data analysis, and is beneficial to the ship sewage management in various complex environments.
Description
Technical Field
The invention relates to the technical field of sewage monitoring, in particular to a system for monitoring the storing, transferring and delivering process of ship sewage.
Background
During the use of the ship, a lot of sewage is generated. If the sewage is directly discharged into water bodies such as rivers, huge environmental pollution can be caused, and water resources are destroyed.
In recent years, the state has promoted a ship sewage treatment scheme of "on-board storage, on-shore delivery". That is, it is required that sewage generated during use of the ship is stored in a sewage storage tank on the ship, and the sewage is delivered to the shore when the ship arrives at the shore. The specific delivery form can be directly delivered at a port, and can also be transported to the shore through a dirt receiving boat.
However, in practical applications, the above-mentioned "on-board storage, onshore delivery" scheme has not been realized with great force. Most ships (especially small and medium-sized ships) are still influenced by the inertial thinking of 'convenient, time-saving and labor-saving' of steal drainage, so that sewage is steal drained in the process of water operation. And limited to the deficiencies of prior art supervision means and methods, the aforementioned theft ranking is currently difficult to track and supervise effectively.
Disclosure of Invention
In order to realize the monitoring of the whole process of storing, transporting and delivering the ship sewage, and can carry out targeted alarm or early warning through real-time data analysis, thereby being beneficial to the management of the ship sewage in various complex environments, the invention provides a system for monitoring the process of storing, transporting and delivering the ship sewage, which comprises the following specific scheme:
a system for monitoring a ship sewage storage, transfer and delivery process, comprising
The sewage disposal ship-borne monitoring subsystem is arranged on the sewage disposal ship and comprises a first sewage storage unit, a first system control and communication unit arranged at the first sewage storage unit, a first liquid level monitoring unit connected with the first system control and communication unit and a first Beidou positioning unit;
the ship-borne monitoring subsystem of the sewage receiving ship is arranged on the sewage receiving ship and comprises a sewage receiving unit, a second liquid flow monitoring unit, a second sewage storage unit, a second system control and communication unit, a second liquid level monitoring unit and a second Beidou positioning unit, wherein the second liquid flow monitoring unit is arranged at the sewage receiving unit;
the port dirt receiving part monitoring subsystem is arranged at the port dirt receiving part and comprises a third dirt receiving unit, a third liquid flow monitoring unit arranged at the third dirt receiving unit, a third sewage storage unit, a third system control and communication unit arranged at the third sewage storage unit, a third liquid level monitoring unit connected with the third system control and communication unit and a third Beidou positioning unit;
the individual identification and docking subsystem is arranged on the personal information terminal and comprises an individual identification unit and a sewage discharge individual docking reporting unit;
the Internet cloud server is used for receiving the monitoring and positioning data transmitted by the corresponding first system control and communication unit, the second system control and communication unit and the third system control and communication unit in the sewage disposal ship, the sewage disposal ship and the port sewage disposal monitoring subsystem, and the individual identification and individual docking data transmitted by the docking subsystem, analyzing the data and implementing early warning or alarming aiming at abnormal conditions.
Specifically, all the liquid level monitoring units and the liquid flow monitoring units comprise corresponding data acquisition modules and data analysis and transmission modules; the data acquisition module acquires original detection data in real time through the sensor, the data analysis and transmission module processes the original data acquired by the data acquisition module, and the processed data is transmitted to the corresponding system control and communication unit.
Specifically, the liquid level data analysis and transmission module in the liquid level monitoring unit continuously acquires original measurement data in real time, splits the original measurement data into a plurality of sections according to the designated time frequency, and averages all the original measurement data in each time section.
Specifically, the flow data processing and transmitting module in the liquid flow monitoring unit obtains original measurement data in real time, marks the time point when the liquid starts to be discharged and the time point when the liquid is discharged, and calculates the sum of all flows in the discharge time period.
Specifically, the early warning step of the internet cloud server for analyzing the monitoring data comprises the following steps: based on the liquid level data of the sewage storage unit transmitted by the ship-borne monitoring subsystem of the sewage disposal ship, calculating the ratio of the liquid level data to the maximum available height of the sewage storage unit in real time, and if the ratio is higher than 80%, determining that an abnormal condition needing early warning exists.
Specifically, the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s11, calculating a first sewage net decrement in the sewage storage unit of the sewage disposal ship in the docking process based on individual docking information during individual identification and sewage discharge transmitted by the docking subsystem and change data of the liquid level in the sewage storage unit in the docking process transmitted by the ship-borne monitoring subsystem corresponding to the sewage disposal party
First net sewage decrement=v pre –V post
Wherein V is pre For the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage discharging side at the starting time point of butt joint post The volume corresponding to the sewage liquid level height at the final time point of the butt joint;
calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the docking process based on the individual docking information transmitted by the individual identification and docking subsystem during sewage discharge and the liquid flow data transmitted by the monitoring subsystem of the sewage receiving party in the docking process;
s12, comparing the relative difference between the first sewage net decrement and the second sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
where abs is an absolute function, abs (x) means taking the absolute value of x.
Specifically, the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s21, calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the butt joint process based on individual butt joint information transmitted by the individual recognition and butt joint subsystem and liquid flow data in the butt joint process transmitted by the monitoring subsystem of the sewage receiving party;
calculating a third sewage net increment in the sewage storage unit of the sewage receiving party in the abutting process based on the individual abutting information of the individual identification and the sewage discharge transmitted by the abutting subsystem and the change data of the liquid height in the sewage storage unit in the abutting process transmitted by the monitoring subsystem of the sewage receiving party;
s22, comparing the relative difference between the second sewage net increment and the third sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists, wherein the specific formula is as follows:
third net sewage increment=v post –V pre
Wherein V is post In order to meet the final time point, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage receiving party is V pre When the sewage is at the initial point of butt joint, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage discharging party;
abs is an absolute function, abs (x) means taking the absolute value of x.
Specifically, the system control and communication unit is internally provided with individual identity identification information, and by means of a 4G/5G mobile communication technology, monitoring data and positioning data are periodically transmitted to an Internet cloud server, and control signals sent by the Internet cloud server are received, so that working parameters of the monitoring unit are adjusted; the working parameters of the adjusting and monitoring unit are specifically time frequency adopted when the data analysis and transmission module of the adjusting and monitoring unit processes data.
Specifically, when the sewage disposal ship-borne monitoring subsystem, the sewage receiving ship-borne monitoring subsystem and the port sewage receiving monitoring subsystem cannot be connected with the 4G/5G mobile communication network, data to be transmitted are stored, and after the sewage disposal ship-borne monitoring subsystem, the sewage receiving ship-borne monitoring subsystem and the port sewage receiving monitoring subsystem are connected with the 4G/5G mobile communication network, the stored and unsent data are transmitted to the Internet cloud server.
Specifically, the liquid level monitoring data received by the internet cloud server from the sewage storage units of the sewage disposal ship and the ship-borne monitoring subsystem of the sewage disposal ship comprise individual identification information, the current geographic position, the liquid level data in the sewage storage units and the monitoring time point or time period corresponding to the corresponding liquid level data;
the liquid flow monitoring data received by the Internet cloud server from the ship-borne monitoring subsystem of the sewage receiving ship and the monitoring subsystem of the port sewage receiving place comprise individual identification information, the current geographic position, flow data and time points or time periods corresponding to the corresponding flow data.
The invention has the beneficial effects that: the invention can realize the monitoring of the whole process of storing, transporting and delivering the ship sewage, can carry out targeted alarm or early warning through real-time data analysis, and is beneficial to the ship sewage management in various complex environments.
Drawings
Fig. 1 is a diagram showing an exemplary structure of a system for monitoring a ship sewage storage, transfer and delivery process according to the present invention.
Fig. 2 is a diagram of the structural functional relationship among the monitoring unit, the Beidou positioning unit, the system control and the communication unit in the monitoring subsystem.
Detailed Description
As shown in fig. 1-2, a system for monitoring a ship's sewage storage, transfer and delivery process includes
The sewage disposal ship-borne monitoring subsystem is used for monitoring the storage and discharge conditions of sewage on a sewage disposal ship and is arranged on the sewage disposal ship and specifically comprises a first sewage storage unit, a first system control and communication unit arranged at the first sewage storage unit, a first liquid level monitoring unit connected with the first system control and communication unit and a first Beidou positioning unit;
the sewage receiving ship-borne monitoring subsystem is used for monitoring the discharge condition of the sewage receiving ship when receiving sewage from the sewage receiving ship and the storage and discharge condition of the sewage on the sewage receiving ship, is arranged on the sewage receiving ship and comprises a sewage receiving unit, a second liquid flow monitoring unit arranged at the sewage receiving unit, a second sewage storage unit, a second system control and communication unit arranged at the second sewage storage unit, a second liquid level monitoring unit connected with the second system control and communication unit and a second Beidou positioning unit;
the port dirt receiving part monitoring subsystem is used for monitoring the discharge condition when the port designated dirt discharge part receives sewage from a sewage disposal ship or a dirt receiving ship, is arranged at the port dirt receiving part and comprises a third dirt receiving unit, a third liquid flow monitoring unit arranged at the third dirt receiving unit, a third sewage storage unit, a third system control and communication unit arranged at the third sewage storage unit, a third liquid level monitoring unit connected with the third system control and communication unit and a third Beidou positioning unit;
the individual recognition and docking subsystem is used for recognizing and docking each individual in the sewage receiving ship, the sewage receiving ship and the port sewage receiving position when the sewage receiving ship receives sewage from the sewage receiving ship or the port sewage receiving position, is installed on a personal information terminal with a mobile communication function such as a mobile phone in a software mode, and specifically comprises an individual identity recognition unit and a sewage discharge individual docking reporting unit;
the Internet cloud server is used for receiving the monitoring and positioning data transmitted by the corresponding first system control and communication unit, the second system control and communication unit and the third system control and communication unit in the sewage disposal ship, the sewage disposal ship and the port sewage disposal monitoring subsystem, and the individual identification and individual docking data transmitted by the docking subsystem, analyzing the data and implementing early warning or alarming aiming at abnormal conditions.
All the liquid level monitoring units and the liquid flow monitoring units comprise corresponding data acquisition modules and data analysis and transmission modules; the data acquisition module acquires original detection data in real time through the sensor, the data analysis and transmission module processes the original data acquired by the data acquisition module, and the processed data is transmitted to the corresponding system control and communication unit.
The liquid level data analysis and transmission module in the liquid level height monitoring unit continuously acquires original measurement data in real time, splits the original measurement data into a plurality of sections according to specified time frequency, and averages all the original measurement data in each time section; preferably, the time frequency is 1 minute/time.
The flow data processing and transmitting module in the liquid flow monitoring unit obtains original measurement data in real time, marks the time point when the liquid starts to be discharged and the time point when the liquid is discharged, and calculates the sum of all flows in the discharge time period; the time point at which the liquid starts to be discharged satisfies the following conditions: in the continuous time of not less than 30S before the time point, the flow is 0, the real-time flow of the time point is more than 0, the flow of each time point is more than 0 in not less than 30S after the time point, the condition that the time point when the liquid discharge is finished is satisfied is that: the flow rate at each time point is more than 0 in the continuous time which is not less than 30S before the time point, the real-time flow rate at the time point is more than 0, and the flow rate is 0 in the continuous time which is not less than 30S after the time point.
The Internet cloud server analyzes three early warning conditions of the monitoring data, and the method specifically comprises the following steps:
first kind: based on the liquid level data of the sewage storage unit transmitted by the ship-borne monitoring subsystem of the sewage disposal ship, calculating the ratio of the liquid level data to the maximum available height of the sewage storage unit in real time, and if the ratio is higher than 80%, determining that an abnormal condition needing early warning exists.
The second specific procedure is as follows:
s11, calculating a first sewage net decrement of the sewage storage unit of the sewage disposal ship in the docking process based on individual docking information during individual identification and sewage discharge transmitted by the docking subsystem and change data of the liquid level in the sewage storage unit in the docking process transmitted by the ship-borne monitoring subsystem corresponding to the sewage disposal party pre –V post
Wherein V is pre For the sewage level in the sewage storage unit of the sewage disposal party at the initial point in time of dockingCorresponding volume, V post The volume corresponding to the sewage liquid level height at the final time point of the butt joint;
calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the docking process based on the individual docking information transmitted by the individual identification and docking subsystem during sewage discharge and the liquid flow data transmitted by the monitoring subsystem of the sewage receiving party in the docking process;
s12, comparing the relative difference between the first sewage net decrement and the second sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists. The relative difference is calculated as follows:
where abs is an absolute function, abs (x) means taking the absolute value of x.
The third specific procedure is as follows:
s21, calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the butt joint process based on individual butt joint information transmitted by the individual recognition and butt joint subsystem and liquid flow data in the butt joint process transmitted by the monitoring subsystem of the sewage receiving party;
calculating a third sewage net increment in the sewage storage unit of the sewage receiving party in the abutting process based on the individual abutting information of the individual identification and the sewage discharge transmitted by the abutting subsystem and the change data of the liquid height in the sewage storage unit in the abutting process transmitted by the monitoring subsystem of the sewage receiving party;
s22, comparing the relative difference between the second sewage net increment and the third sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists, wherein the specific formula is as follows:
third net sewage increment=v post –V pre
Wherein V is post In order to meet the final time point, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage receiving party is V pre When the sewage is at the initial point of butt joint, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage discharging party;
abs is an absolute function, abs (x) means taking the absolute value of x.
The system control and communication unit is internally provided with individual identity identification information so as to facilitate individual identity identification of dirt discharge vessels, dirt receiving vessels and harbor dirt receiving positions, monitoring data and positioning data can be periodically transmitted to the Internet cloud server by means of a 4G/5G mobile communication technology, and control signals sent by the Internet cloud server can be received to adjust working parameters of the monitoring unit. Preferably, the adjusting the working parameter of the monitoring unit is specifically adjusting the time frequency adopted when the data analysis and transmission module of the liquid level monitoring unit performs data processing.
The sewage disposal ship-borne monitoring subsystem and the sewage receiving ship-borne monitoring subsystem respectively transmit corresponding liquid level height monitoring data to the Internet cloud server at a frequency of 1 time every 5-20 minutes; preferably, the transmission frequency is 1 time every 10 minutes.
The time limit for transmitting the corresponding liquid flow monitoring data to the Internet cloud server by the ship-borne monitoring subsystem of the sewage receiving ship and the monitoring subsystem of the port sewage receiving part is 0.5-5.0 minutes after the sewage discharge is finished; preferably, the time period is 1 minute.
When the sewage disposal ship-borne monitoring subsystem, the sewage collection ship-borne monitoring subsystem and the port sewage collection monitoring subsystem cannot be connected with the 4G/5G mobile communication network, data to be sent can be temporarily stored, and after the connection with the 4G/5G mobile communication network is restored, the stored and unsent data are transmitted to the Internet cloud server.
The liquid level monitoring data received by the Internet cloud server from the sewage disposal ship and the sewage receiving ship on-board monitoring subsystem comprise individual identification information, the current geographic position, the liquid level data in the sewage storage unit and the monitoring time point or time period corresponding to the liquid level data.
The liquid flow monitoring data received by the Internet cloud server from the ship-borne monitoring subsystem of the sewage receiving ship and the monitoring subsystem of the port sewage receiving place comprise individual identification information, the current geographic position, flow data and time points or time periods corresponding to the flow data.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. A system for monitoring a ship sewage storage, transfer and delivery process, comprising
The sewage disposal ship-borne monitoring subsystem is arranged on the sewage disposal ship and comprises a first sewage storage unit, a first system control and communication unit arranged at the first sewage storage unit, a first liquid level monitoring unit connected with the first system control and communication unit and a first Beidou positioning unit;
the ship-borne monitoring subsystem of the sewage receiving ship is arranged on the sewage receiving ship and comprises a sewage receiving unit, a second liquid flow monitoring unit, a second sewage storage unit, a second system control and communication unit, a second liquid level monitoring unit and a second Beidou positioning unit, wherein the second liquid flow monitoring unit is arranged at the sewage receiving unit;
the port dirt receiving part monitoring subsystem is arranged at the port dirt receiving part and comprises a third dirt receiving unit, a third liquid flow monitoring unit arranged at the third dirt receiving unit, a third sewage storage unit, a third system control and communication unit arranged at the third sewage storage unit, a third liquid level monitoring unit connected with the third system control and communication unit and a third Beidou positioning unit;
the individual identification and docking subsystem is arranged on the personal information terminal and comprises an individual identification unit and a sewage discharge individual docking reporting unit;
the internet cloud server is used for receiving the monitoring and positioning data transmitted by the corresponding first system control and communication unit, the second system control and communication unit and the third system control and communication unit in the sewage disposal ship, the sewage disposal ship and the port sewage disposal monitoring subsystem, and the individual identification and individual docking data transmitted by the docking subsystem, analyzing the data and implementing early warning or alarm aiming at abnormal conditions;
the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s11, calculating a first sewage net decrement in the sewage storage unit of the sewage disposal ship in the docking process based on individual docking information during individual identification and sewage discharge transmitted by the docking subsystem and change data of the liquid level in the sewage storage unit in the docking process transmitted by the ship-borne monitoring subsystem corresponding to the sewage disposal party
First net sewage decrement=v pre –V post
Wherein V is pre For the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage discharging side at the starting time point of butt joint post The volume corresponding to the sewage liquid level height at the final time point of the butt joint;
calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the docking process based on the individual docking information transmitted by the individual identification and docking subsystem during sewage discharge and the liquid flow data transmitted by the monitoring subsystem of the sewage receiving party in the docking process;
s12, comparing the relative difference between the first sewage net decrement and the second sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists; the relative difference is calculated as follows:
where abs is an absolute function, abs (x) means taking the absolute value of x;
the early warning of the internet cloud server analysis monitoring data comprises the following steps:
s21, calculating a second sewage net increment in a sewage storage unit of the sewage receiving party in the butt joint process based on individual butt joint information transmitted by the individual recognition and butt joint subsystem and liquid flow data in the butt joint process transmitted by the monitoring subsystem of the sewage receiving party;
calculating a third sewage net increment in the sewage storage unit of the sewage receiving party in the abutting process based on the individual abutting information of the individual identification and the sewage discharge transmitted by the abutting subsystem and the change data of the liquid height in the sewage storage unit in the abutting process transmitted by the monitoring subsystem of the sewage receiving party;
s22, comparing the relative difference between the second sewage net increment and the third sewage net increment in the butt joint process, and if the difference is more than 8%, determining that an abnormal condition needing to be alarmed exists, wherein the specific formula is as follows:
third net sewage increment=v post –V pre
Wherein V is post In order to meet the final time point, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage receiving party is V pre When the sewage is at the initial point of butt joint, the volume corresponding to the sewage liquid level height in the sewage storage unit of the sewage discharging party;
abs is an absolute function, abs (x) means taking the absolute value of x.
2. The system for monitoring a ship's sewage storage, transfer and delivery process of claim 1, wherein all of the liquid level monitoring units and the liquid flow monitoring units comprise corresponding data acquisition modules, data analysis and transmission modules; the data acquisition module acquires original detection data in real time through the sensor, the data analysis and transmission module processes the original data acquired by the data acquisition module, and the processed data is transmitted to the corresponding system control and communication unit.
3. The system for monitoring a process for storing, transporting and delivering sewage from a ship according to claim 2, wherein the raw measurement data continuously obtained in real time by the liquid level data analyzing and transmitting module in the liquid level monitoring unit is divided into a plurality of sections according to a designated time frequency, and all raw measurement data in each time section is averaged.
4. The system for monitoring a process of storing, transporting and delivering sewage of a ship according to claim 2, wherein the flow data processing and transmitting module in the liquid flow monitoring unit obtains raw measurement data in real time, marks a time point when liquid starts to be discharged and a time point when liquid is discharged, and calculates the sum of all flows in a discharge time period.
5. The system for monitoring a ship sewage storage, transfer and delivery process according to claim 1, wherein the early warning step of the internet cloud server analyzing the monitoring data comprises: based on the liquid level data of the sewage storage unit transmitted by the ship-borne monitoring subsystem of the sewage disposal ship, calculating the ratio of the liquid level data to the maximum available height of the sewage storage unit in real time, and if the ratio is higher than 80%, determining that an abnormal condition needing early warning exists.
6. The system for monitoring a ship sewage storage, transfer and delivery process according to claim 1, wherein the system control and communication unit is provided with built-in individual identification information, periodically transmits monitoring data and positioning data to an internet cloud server by means of a 4G/5G mobile communication technology, receives a control signal sent by the internet cloud server, and adjusts working parameters of the monitoring unit; the working parameters of the adjusting and monitoring unit are specifically time frequency adopted when the data analysis and transmission module of the adjusting and monitoring unit processes data.
7. The system for monitoring a process of storing, transporting and delivering sewage from a ship according to claim 1, wherein the sewage disposal ship-borne monitoring subsystem, the sewage receiving ship-borne monitoring subsystem and the port sewage receiving monitoring subsystem store data to be transmitted when the 4G/5G mobile communication network cannot be connected, and transmit the stored and unsent data to the internet cloud server after the connection with the 4G/5G mobile communication network is restored.
8. The system for monitoring a ship's sewage storage, transfer and delivery process of claim 1, wherein the liquid level monitoring data received by the internet cloud server from the sewage storage units of the sewage disposal ship and the on-board monitoring subsystem of the sewage disposal ship comprises individual identification information, the current geographic location, the liquid level data in the sewage storage units, and monitoring time points or time periods corresponding to the corresponding liquid level data;
the liquid flow monitoring data received by the Internet cloud server from the ship-borne monitoring subsystem of the sewage receiving ship and the monitoring subsystem of the port sewage receiving place comprise individual identification information, the current geographic position, flow data and time points or time periods corresponding to the corresponding flow data.
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| CN202210900497.7A CN116149244B (en) | 2022-07-28 | 2022-07-28 | System for monitoring ship sewage storage, transfer and delivery process |
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