CN111478964A - Remote monitoring system for working condition of marine main engine - Google Patents
Remote monitoring system for working condition of marine main engine Download PDFInfo
- Publication number
- CN111478964A CN111478964A CN202010264705.XA CN202010264705A CN111478964A CN 111478964 A CN111478964 A CN 111478964A CN 202010264705 A CN202010264705 A CN 202010264705A CN 111478964 A CN111478964 A CN 111478964A
- Authority
- CN
- China
- Prior art keywords
- data
- working condition
- host
- modbus
- shipborne
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000012544 monitoring process Methods 0.000 title claims abstract description 67
- 238000013523 data management Methods 0.000 claims abstract description 67
- 230000006870 function Effects 0.000 claims abstract description 14
- 230000005540 biological transmission Effects 0.000 claims description 29
- 239000010687 lubricating oil Substances 0.000 claims description 29
- 239000013505 freshwater Substances 0.000 claims description 19
- 239000003921 oil Substances 0.000 claims description 19
- 238000000034 method Methods 0.000 claims description 17
- 238000012545 processing Methods 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 11
- 238000002955 isolation Methods 0.000 claims description 10
- 239000000498 cooling water Substances 0.000 claims description 7
- 238000013480 data collection Methods 0.000 claims description 3
- 230000008054 signal transmission Effects 0.000 claims description 3
- 238000004891 communication Methods 0.000 abstract description 24
- 230000000694 effects Effects 0.000 abstract description 4
- 238000007726 management method Methods 0.000 description 14
- 238000004458 analytical method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000012360 testing method Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 238000013500 data storage Methods 0.000 description 3
- 238000011835 investigation Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000295 fuel oil Substances 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 230000003287 optical effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000011144 upstream manufacturing Methods 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005474 detonation Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000006855 networking Effects 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000013024 troubleshooting Methods 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/12—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks
- H04L67/125—Protocols specially adapted for proprietary or special-purpose networking environments, e.g. medical networks, sensor networks, networks in vehicles or remote metering networks involving control of end-device applications over a network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4641—Virtual LANs, VLANs, e.g. virtual private networks [VPN]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L61/00—Network arrangements, protocols or services for addressing or naming
- H04L61/09—Mapping addresses
- H04L61/25—Mapping addresses of the same type
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/18—Network architectures or network communication protocols for network security using different networks or channels, e.g. using out of band channels
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L67/00—Network arrangements or protocols for supporting network services or applications
- H04L67/01—Protocols
- H04L67/02—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP]
- H04L67/025—Protocols based on web technology, e.g. hypertext transfer protocol [HTTP] for remote control or remote monitoring of applications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L69/00—Network arrangements, protocols or services independent of the application payload and not provided for in the other groups of this subclass
- H04L69/08—Protocols for interworking; Protocol conversion
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Computing Systems (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Medical Informatics (AREA)
- Computer Hardware Design (AREA)
- General Engineering & Computer Science (AREA)
- Combined Controls Of Internal Combustion Engines (AREA)
Abstract
The invention discloses a remote monitoring system for working conditions of a ship host, which comprises: the data acquisition module is used for acquiring host working condition data of the ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively; the shipborne data display module is used for receiving and displaying the working condition data of the host; the shipborne data management module is used for receiving and storing host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices; and the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through the virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment. By adopting the system, the terminal equipment is connected with the virtual private network to acquire the working condition information of the ship host, and the satellite communication equipment is avoided, so that compared with the prior art, the monitoring effect is ensured, and the equipment cost is reduced.
Description
Technical Field
The invention relates to the field of ship monitoring, in particular to a remote monitoring system for the working condition of a ship host.
Background
One thousand tons of new Yangtze river oil tanker of Nanjing Yangtze river oil transportation Limited navigates the middle and upstream routes of Yangtze river all the year round. The air route channel is complex, the ship operation difficulty is high, and the requirement on the power reliability is high. Therefore, the working condition of the ship main engine has great influence on navigation safety, and the working condition of the ship main engine needs to be effectively monitored.
The traditional monitoring of the working condition of the ship host machine usually adopts a ship field electromechanical monitoring system to monitor the running state of the ship host machine, and workers on a ship check monitoring information through monitoring equipment on the ship, manage in time and carry out hidden danger troubleshooting on equipment which is likely to break down. However, in the conventional monitoring method for the working condition of the marine main engine, if the monitoring information cannot be checked in time by the staff on the ship, important safety information can be missed, and serious potential safety hazards are caused. Meanwhile, in order to find out the equipment management problem in time, the operation condition of the ship main engine needs to be mastered on a shore-based ground. Therefore, the working condition of the ship main engine needs to be remotely monitored, and the common monitoring of the working condition of the ship main engine by ship workers and shore managers is realized.
In an existing remote monitoring system for the working condition of a ship host, satellite communication equipment is generally adopted to transmit the working condition information of the ship host, an onshore manager receives the working condition information of the ship host in a mail mode, and whether the running condition of a ship is normal or not is judged according to the received working condition information of the ship host. When the working condition information of the ship host shows that the running condition of the ship is not good, the onshore management personnel can timely inform the ship workers to verify the running condition of the ship and take management measures such as equipment maintenance and the like, so that safety accidents of the ship in the running process are avoided, and the safety of the ship navigation is further improved. However, in the existing remote monitoring system for the working condition of the ship main engine, satellite communication equipment is mostly adopted to transmit the working condition information of the ship main engine, and the satellite communication equipment is high in price and too high in installation cost on a large number of ships.
Disclosure of Invention
The invention provides a ship host working condition remote monitoring system, which aims to solve the problem that in the existing ship working condition remote monitoring system, satellite communication equipment is mostly adopted to transmit host working condition information, and the satellite communication equipment is high in price, so that the cost of installation on a large number of ships is overhigh.
The embodiment of the invention discloses a remote monitoring system for working conditions of a ship host, which comprises:
the data acquisition module is used for acquiring host working condition data of a ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively;
the shipborne data display module is used for receiving and displaying the host working condition data;
the shipborne data management module is used for receiving and storing the host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices;
and the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
Further, in one implementation, the data acquisition module includes:
the data acquisition unit is used for acquiring working condition data of the host through more than two sensors;
the data conversion unit is used for converting the host working condition data acquired by the sensor into a modbus RS485 signal through a signal isolation safety gate;
the data transmission unit is used for receiving the modbus RS485 signal and transmitting the modbus RS485 signal to the first transmission unit and the second transmission unit through the protocol converter respectively;
the first transmission unit is used for transmitting the modbus RS485 signal to the shipborne data display module;
and the second transmission unit is used for transmitting the modbus RS485 signal to the shipborne data management module.
Further, in an implementation manner, the system for remotely monitoring the operating condition of the marine main engine includes:
the electromagnetic pulse sensor is used for acquiring the host rotating speed data of the host flywheel end at the host flywheel end;
the resistance voltage sensor is used for collecting the air inlet supercharging pressure data of the main engine on the main engine air inlet main pipe at the supercharger end and collecting the pressure data of the lubricating oil inlet of the main engine after the outlet filter of the lubricating oil pump;
the gas temperature sensor is used for acquiring exhaust temperature data of the main exhaust pipe at the main exhaust pipe behind the supercharger;
the oil temperature sensor is used for acquiring the lubricating oil temperature data at the inlet of the lubricating oil cooler;
the water temperature sensor is used for collecting fresh water temperature data at a fresh water cooling water outlet;
and the automatic ship identification unit is used for acquiring ship position data and navigational speed data.
Further, in one implementation, the on-board data display module includes:
the shipborne signal receiving unit is used for receiving the modbus RS485 signal transmitted by the first transmission unit;
the shipborne signal processing unit is used for decoding the modbus RS485 signal through a computer and converting the modbus RS485 signal into host working condition data;
and the shipborne data display unit is used for displaying the host working condition data on display equipment.
Further, in one implementation, the onboard data management module includes:
the digital processing unit is used for receiving the modbus RS485 signal transmitted by the second transmission unit, analyzing data in the modbus RS485 signal according to a defined data format, and storing the obtained standard readable decimal data into a database;
the storage unit is used for storing the working condition data of the host;
and the signal transmission unit establishes a safe network channel with the virtual private network server through a standard virtual private network protocol, configures address conversion on the virtual private network server and issues the service of the monitoring system to the Internet.
Further, in one implementation, the remote terminal device includes:
the signal receiving unit is used for establishing connection with the virtual private network server according to a configured address, accessing service information issued by the data management module on the internet, and receiving webpage data stored after the modbus RS485 signal is converted;
the webpage operation unit is used for establishing connection with the virtual private network server, accessing a fixed webpage and accessing service contents issued by the monitoring system data management module;
and the data display unit is used for displaying the host working condition data on the display equipment according to the service content issued by the data management module.
Further, in one implementation, a method for remotely monitoring the working condition of a marine main engine includes:
step 101, collecting host working condition data of a ship through a data collection module;
step 102, the data acquisition module is used for carrying out digital processing on the working condition data of the host computer and converting the working condition data into a modbus RS485 signal;
103, transmitting the modbus RS485 signal to a ship-borne data display module and a ship-borne data management module through the data acquisition module;
104, the shipborne data display module receives one path of modbus RS485 signals, converts the modbus RS485 signals into host working condition data for field display, and the shipborne data management module receives the other path of modbus RS485 signals, converts the modbus RS485 signals into the host working condition data and stores the host working condition data;
after the stored host working condition data is operated, historical data, real-time data and alarm data are formed, a data list and a dynamic data curve are formed, a safe network channel is established with a virtual private network server through a standard virtual private network protocol, address conversion is configured on the virtual private network server, and the service of a monitoring system is issued to the Internet;
105, the remote terminal equipment acquires host working condition data stored by the shipborne data management module through a virtual private network;
106, when the host working condition data reach a preset marking threshold value within a preset time period, marking the host working condition data by the shipborne data management module;
and 107, displaying the host working condition data on a webpage.
Further, in one implementation, the step 101 includes:
acquire the host computer operating mode data of boats and ships through electromagnetic pulse sensor, resistance voltage sensor, gas temperature sensor, oil temperature sensor and temperature sensor, include:
acquiring host rotating speed data of a host flywheel end at the host flywheel end through an electromagnetic pulse sensor;
collecting main engine intake supercharging pressure data on a main engine intake manifold at a supercharger end through a resistance voltage sensor, and collecting main engine lubricating oil intake pressure data after a lubricating oil pump outlet filter;
collecting exhaust temperature data of a main exhaust pipe through a gas temperature sensor at a main exhaust pipe behind a supercharger;
collecting lubricating oil temperature data at an inlet of a lubricating oil cooler through an oil temperature sensor;
collecting the fresh water temperature data at a fresh water cooling water outlet through a water temperature sensor;
and acquiring the position data and the navigational speed data through the automatic ship identification unit.
Further, in one implementation, the step 102 includes:
the host working condition data are accessed into a signal isolation safety grid, the signal isolation safety grid converts received electric signals of the host working condition data collected by a sensor into modbus RS485 signals which can be recognized by a computer, and the modbus RS485 signals are correspondingly output in a one-to-one mode, and the electric signals comprise resistance signals, voltage signals or current signals;
respectively inputting the output modbus RS485 signals into a protocol converter, and dividing the modbus RS485 signals into two parts through the protocol converter;
one path of the two paths of modbus RS485 signals is transmitted to a shipborne data display module, the other path of the two paths of modbus RS485 signals is transmitted to a shipborne data management module, the shipborne data display module is used for displaying processed data on a ship site, and the shipborne data management module is used for checking the processed data on a remote webpage.
According to the technical scheme, the embodiment of the invention provides a remote monitoring system for the working condition of a ship host, which comprises: the data acquisition module is used for acquiring host working condition data of a ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively; the shipborne data display module is used for receiving and displaying the host working condition data; the shipborne data management module is used for receiving and storing the host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices; and the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
Because in the current ship operating mode remote monitering system, adopt satellite communication equipment to carry out the transmission of host computer operating mode information mostly, and satellite communication equipment's price is higher, and the cost of installing on a large amount of boats and ships is too high. By adopting the system, the operation parameters of the ship main engine can be collected and displayed on site. Meanwhile, an onshore manager can remotely access the system through remote terminal equipment arranged at multiple points on the shore, can synchronously display the operation parameters of the ship host and timely master the operation condition information of the ship host, thereby knowing the current operation condition of the ship, and then guiding and supervising the ship workers to implement the safety and management requirements of the host according to the current operation condition of the ship.
In addition, this application boats and ships host computer operating mode remote monitering system can inquire boats and ships historical operating conditions, provides scientific foundation for ship management, provides technical support for accident investigation and operating mode analysis. The remote terminal equipment is connected with the virtual private network to acquire the working condition information of the ship host, and satellite communication equipment is avoided, so that compared with the prior art, the monitoring effect is ensured, and the equipment and use cost are reduced.
Drawings
In order to more clearly illustrate the technical solution of the present invention, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious to those skilled in the art that other drawings can be obtained according to the drawings without any inventive exercise.
FIG. 1 is a schematic illustration of a system for remotely monitoring the operating conditions of a marine vessel host according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of data transmission of a system for remotely monitoring the working condition of a marine main engine according to an embodiment of the present invention;
FIG. 3 is a schematic diagram of a hardware system structure of a remote monitoring system for marine host operating conditions according to an embodiment of the present invention;
fig. 4 is a schematic software architecture diagram of a system for remotely monitoring the operating condition of a marine vessel host according to an embodiment of the present invention.
Detailed Description
In order to make the aforementioned objects, features and advantages of the present invention comprehensible, embodiments accompanied with figures are described in further detail below.
The embodiment of the invention discloses a remote monitoring system for the working condition of a ship host, which is applied to ships running in river and sea water areas.
This embodiment a ship host computer operating mode remote monitering system include:
and the data acquisition module is used for acquiring host working condition data of the ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively.
In the embodiment, the data acquisition unit in the data acquisition module acquires the sensor signal of the ship host, and after the signal isolation safety gate is electrically isolated, the data acquisition unit is not in direct circuit connection with other units in the data acquisition module, so that the interference of insulation damage or electric signal disturbance and the like from the sensor and an electric system thereof is solved. The problems that insulation is easy to damage and electromagnetic interference is large in complex environments such as ship humidity, vibration and many electric power devices affect signals of a system are effectively solved. The processed sensor signals are converted into modbus RS485 signals through the protocol converter after primary conversion, the modbus RS485 signals are converted into two paths of same modbus RS485 signals, the two paths of same modbus RS485 signals are respectively used by the shipborne data display module and the shipborne data management module, and data synchronization of local display and remote monitoring is guaranteed. The Modbus RS485 signal described in this embodiment means that a Modbus protocol signal is transmitted through an RS485 interface.
And the shipborne data display module is used for receiving and displaying the host working condition data. In the embodiment, the host working condition data is obtained by receiving the signal transmitted by the data acquisition module and then converting the signal through the shipborne data display module;
and the shipborne data management module is used for receiving and storing the host working condition data and providing the access reading and displaying functions of the host working condition data for two or more remote terminal devices. In this embodiment, the host operating condition data is obtained by receiving the signal transmitted by the data acquisition module and then converting the signal by the ship-borne data management module.
In this embodiment, the shipborne data management module comprises an operation storage function, so that the influence of mountains in an upstream water area of the Yangtze river and bad communication signals on timely data transmission is effectively solved. The historical host working condition data can be inquired when the communication is good, and the remote continuous supervision on the host working condition is realized.
And the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
In this embodiment, the remote terminal device establishes a connection with a virtual private network server of a shipping company through a virtual private network channel, obtains an IP link that can be accessed by a public network user, and a plurality of users on shore can remotely access the remote monitoring system for the working condition of the marine main engine through the internet. In addition, the early warning and alarm related settings of each device are preset in the data management module in the application program of the remote terminal device through a network, so that early warning and alarm can be performed on the remote terminal device while host working condition data is displayed, specifically, whether the acquired data reach an early warning or alarm threshold value is judged through data setting, and if the data reach the early warning threshold value, the data are early warning marked; and if the data reaches the alarm threshold value, carrying out alarm marking on the data.
The remote monitoring system for the working condition of the ship host machine can monitor the working condition conditions of the host machine of the ship in different running states by remotely acquiring the working condition data of the host machine of the ship so as to judge whether the host machine equipment has overload and other abnormalities and whether the working conditions of all cylinders are unbalanced. And then whether the equipment can stably operate or not and whether the equipment is normally maintained or not is judged. Furthermore, the monitoring of the equipment can be enhanced through the remote monitoring system for the working condition of the ship host, the abnormal operation is reminded, the safety management and maintenance operation of the equipment are enhanced, and safety accidents are avoided.
In this embodiment among a ship host computer operating mode remote monitering system, the data acquisition module includes:
the data acquisition unit is used for acquiring working condition data of the host through more than two sensors;
the data conversion unit is used for converting the host working condition data acquired by the sensor into a modbus RS485 signal through a signal isolation safety gate;
in this embodiment, the data conversion unit is configured to convert a resistance value, a voltage value, and a current value, which are obtained by measuring the temperature, the pressure, the rotation speed, and the like of the marine diesel engine, i.e., the host, by the measuring sensor, into a standard 4-20mA current signal through a circuit in a corresponding manner. The host working condition data comprises mechanical load parameters, thermal load parameters and management condition parameters, and the mechanical load parameters comprise: the rotating speed of the flywheel end of the main engine and the air inlet supercharging pressure of the main engine, and the heat load parameters comprise: the temperature of the smoke exhaust main pipe, and the management condition parameters comprise: the oil filter back pressure, the oil cooler inlet temperature and the fresh water cooling water outlet temperature.
The data transmission unit is used for receiving the modbus RS485 signal and transmitting the modbus RS485 signal to the first transmission unit and the second transmission unit through the protocol converter respectively;
in the embodiment, in an industrial control occasion, the RS485 bus interface is simple, networking is convenient, and the transmission distance is long. Specifically, the RS485 interface adopts a combination of a balanced driver and a differential receiver, the common-mode interference resistance is enhanced, namely, the noise interference resistance is good, the maximum transmission distance standard value of the RS485 interface is 1219 meters, and the RS485 interface is allowed to be connected with up to 128 transceivers on a bus and has multi-station capability. Therefore, in the embodiment, the modbus RS485 signal is received by the RS485 interface, so that the transmission of the system signal is stable.
The first transmission unit is used for transmitting the modbus RS485 signal to the shipborne data display module;
and the second transmission unit is used for transmitting the modbus RS485 signal to the shipborne data management module.
In this embodiment among a ship host computer operating mode remote monitering system, the data acquisition module includes:
the electromagnetic pulse sensor is used for acquiring the host rotating speed data of the host flywheel end at the host flywheel end;
the resistance voltage sensor is used for collecting the air inlet supercharging pressure data of the main engine on the main engine air inlet main pipe at the supercharger end and collecting the pressure data of the lubricating oil inlet of the main engine after the outlet filter of the lubricating oil pump;
the gas temperature sensor is used for acquiring exhaust temperature data of the main exhaust pipe at the main exhaust pipe behind the supercharger;
the oil temperature sensor is used for acquiring the lubricating oil temperature data at the inlet of the lubricating oil cooler;
the water temperature sensor is used for collecting fresh water temperature data at a fresh water cooling water outlet;
and the automatic ship identification unit is used for acquiring ship position data and navigational speed data.
In this embodiment among a ship host computer operating mode remote monitering system, on-board data display module includes:
the shipborne signal receiving unit is used for receiving the modbus RS485 signal transmitted by the first transmission unit;
the shipborne signal processing unit is used for decoding the modbus RS485 signal through a computer and converting the modbus RS485 signal into host working condition data;
and the shipborne data display unit is used for displaying the host working condition data on display equipment.
In this embodiment among a ship host computer operating mode remote monitering system, on-board data management module includes:
the digital processing unit is used for receiving the modbus RS485 signal transmitted by the second transmission unit, analyzing data in the modbus RS485 signal according to a defined data format, and storing the obtained standard readable decimal data into a database; in this embodiment, the defined data format is how many bits are divided into data, what is put in each bit, and the like. When information interaction is carried out between the devices, the data can be restored only if the transmitted definition is consistent with the analyzed definition.
The storage unit is used for storing the working condition data of the host; in this embodiment, the storage unit, that is, the storage device, may be a memory bank, a flash memory, an SSD hard disk, or a mechanical hard disk.
In the embodiment, a user can access a shipborne host machine through a mobile phone or a computer by using remote terminal equipment through the signal transmission unit to check relevant information of a ship in real time.
In this embodiment in a ship host operating mode remote monitering system, remote terminal includes:
the signal receiving unit is used for establishing connection with the virtual private network server according to a configured address, accessing service information issued by the data management module on the internet, and receiving webpage data stored after the modbus RS485 signal is converted;
the webpage operation unit is used for establishing connection with the virtual private network server, accessing a fixed webpage and accessing service contents issued by the monitoring system data management module;
and the data display unit is used for displaying the host working condition data on the display equipment according to the service content issued by the data management module.
Specifically, in this embodiment, the remote terminal device refers to a computer or a mobile phone on the shore, and accesses and monitors the service content issued by the data management module by accessing a fixed web page.
Combine this embodiment a boats and ships host computer operating mode remote monitering system, this application still discloses a boats and ships host computer operating mode remote monitering method, a boats and ships host computer operating mode remote monitering method is applied to aforementioned boats and ships host computer operating mode remote monitering system, the method includes:
step 101, collecting host working condition data of a ship through a data collection module;
step 102, the data acquisition module is used for carrying out digital processing on the working condition data of the host computer and converting the working condition data into a modbus RS485 signal;
103, transmitting the modbus RS485 signal to a ship-borne data display module and a ship-borne data management module through the data acquisition module;
104, the shipborne data display module receives one path of modbus RS485 signals, converts the modbus RS485 signals into host working condition data for field display, and the shipborne data management module receives the other path of modbus RS485 signals, converts the modbus RS485 signals into the host working condition data and stores the host working condition data;
after the stored host working condition data is operated, historical data, real-time data and alarm data are formed, a data list and a dynamic data curve are formed, a safe network channel is established with a virtual private network server through a standard virtual private network protocol, address conversion is configured on the virtual private network server, and the service of a monitoring system is issued to the Internet; in this embodiment, through the communication channel established by the 4G communication, the services of the monitoring system include real-time data displaying the working condition of the host and an alarm data list.
105, the remote terminal equipment acquires host working condition data stored by the shipborne data management module through a virtual private network; in this embodiment, the stored host operating condition data includes a list and a dynamic curve of real-time and historical data.
106, when the host working condition data reach a preset marking threshold value within a preset time period, marking the host working condition data by the shipborne data management module;
in this embodiment, the preset time is set in an application program of the remote terminal device through an inquiry page of the operation data management module, and the preset time refers to an inquiry time interval. If data of a time interval from 11/10/2019 to 11/15/2/10/2019 needs to be inquired, the preset time can be set from 11/10/2019 to 0/11/15/2/10/2019.
In addition, in the embodiment, early warning and alarm related settings of various devices are preset in the application program of the remote terminal device through the operation data management module, so that the data displayed by the working condition data of the host can be early warned and alarmed at the same time on the remote terminal device, and after whether the acquired data reaches an early warning threshold value or an alarm threshold value is judged, if the data reaches the early warning threshold value, the data is early warned and marked; and if the data reaches the alarm threshold value, carrying out alarm marking on the data. For example, when the early warning threshold value and the warning threshold value of the exhaust temperature are set, the early warning threshold value can be set to be 400 degrees, and when the exhaust temperature reaches 400 degrees, the data is displayed to be yellow; the alarm threshold may be set at 420 degrees and the data displayed as red when the exhaust temperature reaches 420 degrees. The preset mark prefabrication is set according to use requirements, and the same type of setting requirements are also provided for other data so as to obtain comparison values, and the comparison values are subjected to classified management, display and the like.
And 107, displaying the host working condition data on a webpage.
In the method for remotely monitoring the working condition of the marine main engine according to this embodiment, the step 101 includes:
acquire the host computer operating mode data of boats and ships through electromagnetic pulse sensor, resistance voltage sensor, gas temperature sensor, oil temperature sensor and temperature sensor, include:
acquiring host rotating speed data of a host flywheel end at the host flywheel end through an electromagnetic pulse sensor;
collecting main engine intake supercharging pressure data on a main engine intake manifold at a supercharger end through a resistance voltage sensor, and collecting main engine lubricating oil intake pressure data after a lubricating oil pump outlet filter;
collecting exhaust temperature data of a main exhaust pipe through a gas temperature sensor at a main exhaust pipe behind a supercharger;
collecting lubricating oil temperature data at an inlet of a lubricating oil cooler through an oil temperature sensor;
collecting the fresh water temperature data at a fresh water cooling water outlet through a water temperature sensor;
and acquiring the position data and the navigational speed data through the automatic ship identification unit.
In the method for remotely monitoring the working condition of the marine main engine according to this embodiment, the step 102 includes:
the host working condition data are accessed into a signal isolation safety grid, the signal isolation safety grid converts received electric signals of the host working condition data collected by a sensor into modbus RS485 signals which can be recognized by a computer, and the modbus RS485 signals are correspondingly output in a one-to-one mode, and the electric signals comprise resistance signals, voltage signals or current signals;
respectively inputting the output modbus RS485 signals into a protocol converter, and dividing the modbus RS485 signals into two parts through the protocol converter;
one path of the two paths of modbus RS485 signals is transmitted to a shipborne data display module, the other path of the two paths of modbus RS485 signals is transmitted to a shipborne data management module, the shipborne data display module is used for displaying processed data on a ship site, and the shipborne data management module is used for checking the processed data on a remote webpage.
According to the technical scheme, the embodiment of the invention provides a remote monitoring system for the working condition of a ship host, which comprises: the data acquisition module is used for acquiring host working condition data of a ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively; the shipborne data display module is used for receiving and displaying the host working condition data; the shipborne data management module is used for receiving and storing the host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices; and the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
Because in the existing ship working condition remote monitoring method, most satellite communication equipment is adopted to transmit the host working condition information, and the price of the satellite communication equipment is higher, and the cost for installing on a large number of ships is overhigh. By adopting the system, the operation parameters of the ship main engine can be collected and displayed on site, so that an onshore manager can remotely access the system through onshore multipoint equipment, the operation parameters of the ship main engine can be synchronously displayed, the operation condition information of the ship main engine can be timely mastered, the current operation condition of the ship can be known, and then the safety and management requirements of the ship main engine can be guided and urged to be met by the ship workers according to the current operation condition of the ship. In addition, the remote monitoring system for the working condition of the ship host can inquire the historical running condition of the ship, provide scientific basis for ship management and provide technical support for accident investigation and working condition analysis. The terminal equipment is connected with the virtual private network to obtain the working condition information of the ship host, and satellite communication equipment is avoided, so that compared with the prior art, the monitoring effect is ensured, and the equipment cost and the running cost are reduced.
In addition, in this embodiment, before data acquisition, the host condition data that needs to be acquired needs to be researched. Specifically, the common host working condition data in the ship operation process mainly includes three types:
the first type: temperatures, including oil temperature, water temperature, exhaust temperature, charge air temperature; the oil temperature comprises lubricating oil temperature and fuel oil temperature, the water temperature comprises fresh water temperature and river water temperature, and the exhaust temperature comprises single-cylinder exhaust temperature and exhaust main pipe temperature.
The second type: the pressure comprises oil pressure, water pressure, supercharged air pressure, single-cylinder detonation pressure and single-cylinder compression pressure; the oil pressure comprises lubricating oil pressure and fuel oil pressure, and the water pressure comprises fresh water pressure and river water pressure.
In the third category: and the rotating speeds comprise a main engine rotating speed, a tail shaft rotating speed and a supercharger rotating speed.
The rotating speed and the supercharging pressure of the host can reflect the mechanical load of the host, the total exhaust temperature and the supercharging pressure can reflect the thermal load of the host, and the oil temperature, the oil pressure and the water temperature can reflect the management condition of equipment. The indexes can reflect the overall condition of the host and are easy to monitor. Although the compression pressure, the explosion pressure and the single-cylinder exhaust temperature can well reflect the working condition of the main engine, ship main engines with relatively low power such as kiloton-level Xin-Jiang have no corresponding measuring ports, and continuous measurement is not easy to realize.
The following six parameters are selected from the consideration of easy measurement and accurate reflection of the working condition requirement of the host: the main engine speed, the total exhaust temperature, the supercharging pressure, the lubricating oil temperature and the fresh water temperature. Specifically, the location and units of parameter acquisition are shown in table 1.
Meanwhile, information such as the position and the speed of the ship is collected from an Automatic Identification System (AIS) of the ship, and the state of the ship is identified.
TABLE 1 Main machine collection parameter table
See table 2 for a monitoring data output list.
TABLE 2 list of operating conditions
The operating condition parameter curve in the embodiment is schematically shown and referred to in fig. 1. The continuous curve chart of the working condition parameters is comprehensively displayed in the same chart by the related parameters, so that the method is visual and convenient and is beneficial to comparative analysis. The time interval is selectable and the parameters are selectable in the active window. All or some of the parameters may be displayed simultaneously in the same graph. When a certain point is selected, the cursor can display specific information such as time, place, speed and the like.
And in a set time period, when the related parameters reach or exceed the corresponding working condition values of the bench test or the specified values of the specification, the related measurement records form a prompt and early warning list, and the specification can be set as required. See tables 3, 4.
The total exhaust temperature and the supercharging pressure exceed 100% corresponding values of the rated load of the bench test, the fresh water temperature exceeds and the lubricating oil pressure is lower than specified values of the specification, and when the rotating speed exceeds the specified values, early warning prompt is carried out. The corresponding data in the table is displayed in color, such as yellow.
When the total exhaust temperature and the supercharging pressure exceed the corresponding values of 110% of the rated load of the bench test, the fresh water temperature exceeds the specified value of the specification by 110%, and the lubricating oil pressure is lower than the specified value of 85%, the data are displayed in a color change mode in the table, and the data are displayed in red.
TABLE 3 Condition Warning List
TABLE 4 Condition alarm List
In the remote monitoring system for the working condition of the marine host, a Virtual Private Network (VPN) client is customized in an embedded system and is connected to a firewall and then connected to an intranet. The data is stored in a ship-borne data module at a ship end, a remote client is accessed to a ship-borne data management module through the ship host working condition remote monitoring system, and real-time values are displayed on a ship-borne data display module according to requirements, and real-time or historical data and graphic charts related to the ship host working condition data are displayed on the remote client.
In this embodiment, acquire the host computer operating mode data of boats and ships through VPN, there is following advantage: the working condition data can be transmitted as required, and if the data is managed and used by a single person, the bandwidth and the flow are saved; the single ship data damage does not affect the system; a VPN channel which is safe in data transmission use; the single ship has low implementation cost. In the embodiment, a host of the shipborne data management module acquires a unique public network IP after establishing a secure channel with company VPN service by using VPN technology; the host of the onboard data management module stores all sensor data, which is not actively reported to the company but stored locally; the data of the on-board host can be accessed when the shore-based customer needs to view the data. This is the transmission scheme of the present solution through VPN + client storage + remote invocation display, as shown in fig. 2.
In addition, in the embodiment, after comparing several types of analog sensors, local digital display and communication, and remote independent digital display and communication, the device type of "remote independent digital display and communication" is preferred. The specific selection is shown in table 5.
TABLE 5 sensor selection table
| Serial number | Sensor type | Advantages of | Deficiency of |
| 1 | Analog quantity | Reliable and low-cost | Can not communicate |
| 2 | Digital band digital display | Intuitive and communicable | Poor resistance to vibration, susceptibility to damage and high cost |
| 3 | Remote independent digitization and communication | Reliable, independent, interference-free and communicable | Need to install corresponding equipment box |
In this embodiment, the on-board data display module accessible is installed the operating mode data monitoring display box realization in the cabin, operating mode data monitoring display box is host computer signal sensor parameter acquisition and processing center to have the function that data are at the local demonstration of marine engine room.
For the supporting system function, the data collected by the sensor needs to be processed digitally, signals meeting the MODBUS-RTU communication protocol of the computer use standard can be output to an upper computer through RS485, and certain expandability is achieved.
The analog quantity data of 12 detection points of the working conditions of the left/right 2 main machines are uniformly transmitted to a centralized control box for processing; the connecting wire is matched and an aviation interface is used for facilitating quick replacement; uninterrupted power supply is carried out by using an alternating current power supply and a direct current power supply; the processed data can be used for local display, so that the ship field supervision is facilitated; and also can be output by Ethernet or RS 485.
In the aspect of comparing and selecting two modes of respectively acquiring signals, converting the signals into protocol signals after centralized signal processing and converting the signals into protocol signals after respectively acquiring and respectively processing the signals, after research and comparison of a subject group, the subject group determines that the digital conversion is preferably carried out in a mode that the signals of the sensors are respectively acquired and respectively processed because mature products which are processed and isolated independently exist in the market, the products which are respectively acquired and then processed in a centralized manner need to be independently developed, the system is abnormal due to damage of a centralized processor or damage of a certain sensor, and the like. The method is also beneficial to later use and maintenance.
Table 6 data acquisition table
In this embodiment, the host operating condition data of the ship may be displayed on a remote terminal device, such as a computer terminal and a mobile phone terminal, and specifically, the host operating condition data may be displayed in a list. In addition, the host operating condition data can be displayed in real time according to time, see table 7. Specific time intervals can be set. Meanwhile, the host working condition data in the historical period can be called and checked.
In addition, in a set time period, selecting points of 100% prompt and 110% alarm of the total exhaust temperature, the supercharging pressure, the highest point of the fresh water temperature and corresponding working condition values or experience values reaching or exceeding a bench test or specification load value and the like, and identifying the point of the maximum value; and forming a prompt list and an early warning list, specifically, referring to tables 8 and 9.
The set time period can be set as required, for example, within 24 hours or 30 days, and the navigational speed, the rotating speed, the exhaust temperature and the supercharging pressure can be displayed simultaneously in the same graph for analysis. When a point is selected, specific time, location and speed information can be displayed by the cursor.
TABLE 7 list of operating conditions
TABLE 8 Condition Warning List
TABLE 9 Condition alarm List
As shown in fig. 3, in the remote monitoring system for the working condition of the marine main engine according to this embodiment, the device hardware adopts a structure of a core board and an expansion board, so that the interface and the function are conveniently expanded later. The core board is provided with a main CPU and a memory device, and the expansion board is provided with a power supply and an interface chip.
The DDR3 device is adopted in the cache aspect, the capacity size is 2GByte, the NANDF L ASH is adopted in the long-term storage aspect, and the capacity size is 512M.
The core processing device is an ARM and DSP dual-core image processing chip TMS320DM8127 of a Texas instrument, which is a highly integrated and programmable platform and can meet various video application requirements of an IP network camera, an industrial automation network camera, a stereo camera, video monitoring, a high-definition video conference car and the like.
The chip provides the ability to control external peripherals and communicate with an external processor. The TMS320DM8127 digital media processor also includes a high definition video and imaging processor 2(HDVICP 2) for loading many video and image processing tasks from the DSP core, making it available for more video and imaging algorithms.
The input and output ports of the device are based on actual field use, and the port types can be changed through configuration. Power, video, network, signal, etc. interfaces are currently provided.
As shown in fig. 4, for the software architecture diagram provided in this embodiment, specifically, the software part of the ship host condition remote monitoring system includes: the whole software adopts Gstreamer, autonomous filesink and custom playing control based on the system structure of plug-in (plugin) and pipeline (pipeline), mainly adopts C/C + + language mixed editing and is developed in an embedded system.
The system combines the collected data of the onboard equipment with a shipborne video monitoring system after processing, can superimpose front-end sensing data on a camera picture for displaying, and can also know the state information of the target equipment monitored by the camera in real time through a monitoring picture on a video monitoring management platform, and particularly, a scheme of data superimposition adopts a mixed mode of two methods, namely http request and IPCSDK.
The collected data of the working condition, the navigational speed, the course, the position and the like of the ship host are stored by using a Sqlite + autonomous DiskWriter + webservice mode. The data storage is divided into two modes, namely, base table storage and binary data storage; all hard disk reading and writing are file-free systems, and bottom IO reading and writing functions are directly used. The data storage of the library table uses a sqlite and binary disk dual backup mode for database crash recovery data.
The Web part provides a user browsing function, so that a user can conveniently check ship working condition information by using a browser, the Web function is constructed by using a Boa + Webservice + easy UI mode, Boa is improved to support Webservice, and a front-end page is developed by using an easy UI frame.
According to the technical scheme, the embodiment of the invention provides a remote monitoring system for the working condition of a ship host, which comprises: the system comprises a data acquisition module, a ship-borne data display module and a ship-borne data management module, wherein the data acquisition module is used for acquiring host working condition data of a ship, converting the host working condition data into modbusRS485 signals and transmitting the modbusRS485 signals to the ship-borne data display module and the ship-borne data management module respectively; the shipborne data display module is used for displaying the host working condition data, and the host working condition data is obtained by receiving modbus RS485 signals transmitted by the data acquisition module and then converting the signals through the shipborne data display module; the ship-borne data management module is used for storing the host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices, and the ship-borne data management module is used for converting the ship-borne data management module after receiving modbus RS485 signals transmitted by the data acquisition module; and the remote terminal equipment is used for acquiring the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
Because in the existing ship working condition remote monitoring method, most satellite communication equipment is adopted to transmit the host working condition information, and the price of the satellite communication equipment is higher, and the cost for installing on a large number of ships is overhigh. By adopting the system, the operation parameters of the ship main engine can be collected and displayed on site, so that an onshore manager can remotely access the system through onshore multipoint equipment, the operation parameters of the ship main engine can be synchronously displayed, the operation condition information of the ship main engine can be timely mastered, the current operation condition of the ship can be known, and then the safety and management requirements of the ship main engine can be guided and urged to be met by the ship workers according to the current operation condition of the ship.
In addition, the remote monitoring system for the working condition of the ship host can inquire the historical running condition of the ship, provide scientific basis for ship management and provide technical support for accident investigation and working condition analysis. The remote terminal equipment is connected with the virtual private network to acquire the working condition information of the ship host, and satellite communication equipment is avoided, so that compared with the prior art, the monitoring effect is ensured, and the equipment cost is reduced.
In a specific implementation, the present invention further provides a computer storage medium, where the computer storage medium may store a program, and the program may include some or all of the steps in each embodiment of the remote monitoring system for marine main engine operating conditions provided by the present invention when executed. The storage medium may be a magnetic disk, an optical disk, a read-only memory (ROM) or a Random Access Memory (RAM).
Those skilled in the art will readily appreciate that the techniques of the embodiments of the present invention may be implemented as software plus a required general purpose hardware platform. Based on such understanding, the technical solutions in the embodiments of the present invention may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as ROM/RAM, magnetic disk, optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments.
The same and similar parts in the various embodiments in this specification may be referred to each other. The above-described embodiments of the present invention should not be construed as limiting the scope of the present invention.
Claims (9)
1. A remote monitoring system for the working condition of a marine main engine is characterized by comprising:
the data acquisition module is used for acquiring host working condition data of a ship and transmitting the host working condition data to the shipborne data display module and the shipborne data management module respectively;
the shipborne data display module is used for receiving and displaying the host working condition data;
the shipborne data management module is used for receiving and storing the host working condition data and providing access reading and displaying functions of the host working condition data for two or more remote terminal devices;
and the remote terminal equipment is used for accessing and reading the host working condition data stored by the shipborne data management module through a virtual private network and displaying the host working condition data on a webpage of the remote terminal equipment.
2. The system of claim 1, wherein the data acquisition module comprises:
the data acquisition unit is used for acquiring working condition data of the host through more than two sensors;
the data conversion unit is used for converting the host working condition data acquired by the sensor into a modbus RS485 signal through a signal isolation safety gate;
the data transmission unit is used for receiving the modbus RS485 signal and transmitting the modbus RS485 signal to the first transmission unit and the second transmission unit through the protocol converter respectively;
the first transmission unit is used for transmitting the modbus RS485 signal to the shipborne data display module;
and the second transmission unit is used for transmitting the modbus RS485 signal to the shipborne data management module.
3. The system of claim 2, wherein the data acquisition unit comprises:
the electromagnetic pulse sensor is used for acquiring the host rotating speed data of the host flywheel end at the host flywheel end;
the resistance voltage sensor is used for collecting the air inlet supercharging pressure data of the main engine on the main engine air inlet main pipe at the supercharger end and collecting the pressure data of the lubricating oil inlet of the main engine after the outlet filter of the lubricating oil pump;
the gas temperature sensor is used for acquiring exhaust temperature data of the main exhaust pipe at the main exhaust pipe behind the supercharger;
the oil temperature sensor is used for acquiring the lubricating oil temperature data at the inlet of the lubricating oil cooler;
the water temperature sensor is used for collecting fresh water temperature data at a fresh water cooling water outlet;
and the automatic ship identification unit is used for acquiring ship position data and navigational speed data.
4. The system of claim 2, wherein the on-board data display module comprises:
the shipborne signal receiving unit is used for receiving the modbus RS485 signal transmitted by the first transmission unit;
the shipborne signal processing unit is used for decoding the modbus RS485 signal through a computer and converting the modbus RS485 signal into host working condition data;
and the shipborne data display unit is used for displaying the host working condition data on display equipment.
5. The system of claim 2, wherein the on-board data management module comprises:
the digital processing unit is used for receiving the modbus RS485 signal transmitted by the second transmission unit, analyzing data in the modbus RS485 signal according to a defined data format, and storing the obtained standard readable decimal data into a database;
the storage unit is used for storing the working condition data of the host;
and the signal transmission unit establishes a safe network channel with the virtual private network server through a standard virtual private network protocol, configures address conversion on the virtual private network server and issues the service of the monitoring system to the Internet.
6. The system of claim 1, wherein the remote terminal device comprises:
the signal receiving unit is used for establishing connection with the virtual private network server according to a configured address, accessing service information issued by the data management module on the internet, and receiving webpage data stored after the modbus RS485 signal is converted;
the webpage operation unit is used for establishing connection with the virtual private network server, accessing a fixed webpage and accessing service contents issued by the monitoring system data management module;
and the data display unit is used for displaying the host working condition data on the display equipment according to the service content issued by the data management module.
7. The system for remotely monitoring the working condition of the marine main engine according to claim 1, wherein the method for remotely monitoring the working condition of the marine main engine comprises the following steps:
step 101, collecting host working condition data of a ship through a data collection module;
102, performing digital processing on the host working condition data through the data acquisition module, and converting the host working condition data into a modbusRS485 signal;
103, transmitting the modbus RS485 signal to a ship-borne data display module and a ship-borne data management module through the data acquisition module;
104, the shipborne data display module receives one path of modbus RS485 signals, converts the modbus RS485 signals into host working condition data for field display, and the shipborne data management module receives the other path of modbus RS485 signals, converts the modbus RS485 signals into the host working condition data for storage;
after the stored host working condition data is operated, historical data, real-time data and alarm data are formed, a data list and a dynamic data curve are formed, a safe network channel is established with a virtual private network server through a standard virtual private network protocol, address conversion is configured on the virtual private network server, and the service of a monitoring system is issued to the Internet;
105, the remote terminal equipment acquires host working condition data stored by the shipborne data management module through a virtual private network;
106, when the host working condition data reach a preset marking threshold value within a preset time period, marking the host working condition data by the shipborne data management module;
and 107, displaying the host working condition data on a webpage.
8. The system according to claim 7, wherein the step 101 comprises:
acquire the host computer operating mode data of boats and ships through electromagnetic pulse sensor, resistance voltage sensor, gas temperature sensor, oil temperature sensor and temperature sensor, include:
acquiring host rotating speed data of a host flywheel end at the host flywheel end through an electromagnetic pulse sensor;
collecting main engine intake supercharging pressure data on a main engine intake manifold at a supercharger end through a resistance voltage sensor, and collecting main engine lubricating oil intake pressure data after a lubricating oil pump outlet filter;
collecting exhaust temperature data of a main exhaust pipe through a gas temperature sensor at a main exhaust pipe behind a supercharger;
collecting lubricating oil temperature data at an inlet of a lubricating oil cooler through an oil temperature sensor;
collecting the fresh water temperature data at a fresh water cooling water outlet through a water temperature sensor;
and acquiring the position data and the navigational speed data through the automatic ship identification unit.
9. The remote monitoring system for the working condition of the marine main engine according to claim 7, wherein the step 102 comprises:
the host working condition data are accessed into a signal isolation safety grid, the signal isolation safety grid converts received electric signals of the host working condition data collected by a sensor into modbus RS485 signals which can be recognized by a computer, and the modbus RS485 signals are correspondingly output in a one-to-one mode, and the electric signals comprise resistance signals, voltage signals or current signals;
respectively inputting the output modbus RS485 signals into a protocol converter, and dividing the modbus RS485 signals into two parts through the protocol converter;
one path of the two paths of modbus RS485 signals is transmitted to a shipborne data display module, the other path of the two paths of modbus RS485 signals is transmitted to a shipborne data management module, the shipborne data display module is used for displaying processed data on a ship site, and the shipborne data management module is used for checking the processed data on a remote webpage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010264705.XA CN111478964A (en) | 2020-04-07 | 2020-04-07 | Remote monitoring system for working condition of marine main engine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010264705.XA CN111478964A (en) | 2020-04-07 | 2020-04-07 | Remote monitoring system for working condition of marine main engine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111478964A true CN111478964A (en) | 2020-07-31 |
Family
ID=71749935
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010264705.XA Pending CN111478964A (en) | 2020-04-07 | 2020-04-07 | Remote monitoring system for working condition of marine main engine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111478964A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082114A (en) * | 2019-05-17 | 2019-08-02 | 岭澳核电有限公司 | Million kilowatt nuclear power station diesel engine off-line monitoring system |
| CN112819068A (en) * | 2021-01-29 | 2021-05-18 | 南京长江油运有限公司 | Deep learning-based real-time detection method for ship operation violation behaviors |
| CN113949715A (en) * | 2021-09-01 | 2022-01-18 | 国能神福(石狮)发电有限公司 | Data transmission method and device based on PI system |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467127A (en) * | 2010-11-18 | 2012-05-23 | 中港疏浚有限公司 | Long-distance real-time monitoring method for offshore dredging operation |
| CN208094289U (en) * | 2018-05-08 | 2018-11-13 | 厦门市泛能科技有限公司 | A kind of new energy watercraft remote monitoring system |
-
2020
- 2020-04-07 CN CN202010264705.XA patent/CN111478964A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102467127A (en) * | 2010-11-18 | 2012-05-23 | 中港疏浚有限公司 | Long-distance real-time monitoring method for offshore dredging operation |
| CN208094289U (en) * | 2018-05-08 | 2018-11-13 | 厦门市泛能科技有限公司 | A kind of new energy watercraft remote monitoring system |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110082114A (en) * | 2019-05-17 | 2019-08-02 | 岭澳核电有限公司 | Million kilowatt nuclear power station diesel engine off-line monitoring system |
| CN112819068A (en) * | 2021-01-29 | 2021-05-18 | 南京长江油运有限公司 | Deep learning-based real-time detection method for ship operation violation behaviors |
| CN112819068B (en) * | 2021-01-29 | 2023-09-26 | 南京长江油运有限公司 | Ship operation violation behavior real-time detection method based on deep learning |
| CN113949715A (en) * | 2021-09-01 | 2022-01-18 | 国能神福(石狮)发电有限公司 | Data transmission method and device based on PI system |
| CN113949715B (en) * | 2021-09-01 | 2024-04-02 | 国能神福(石狮)发电有限公司 | PI system-based data transmission method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110109445B (en) | Ship engine room auxiliary machine monitoring system and monitoring method | |
| CN111478964A (en) | Remote monitoring system for working condition of marine main engine | |
| CN112255946B (en) | Ship state remote monitoring system and method based on cloud service and big data | |
| JP4885759B2 (en) | Ship information processing method and ship information processing system | |
| CN104867667B (en) | A kind of intelligent oil-filled transformer, monitoring system and its monitoring method | |
| CN206819532U (en) | A kind of long-range monitoring and controlling system for engine room based on radio network technique | |
| CN110568792A (en) | Device and method for monitoring comfort of vibration noise of ocean platform | |
| CN108593302A (en) | A kind of low-speed diesel engine fault diagnosis system | |
| CN115364992B (en) | Coal mill health monitoring system and health monitoring method | |
| CN205527132U (en) | Elevator monitoring system based on thing networking | |
| CN107656724A (en) | Volunteer ship marine hydrometeorology observation software, system and software development methodology | |
| CN104793270B (en) | A kind of synthetic determination method of equipment running status in Integrated Meteorological Observation net | |
| CN104714515A (en) | Digital integrated management and control system for well site | |
| CN210466074U (en) | Well site equipment parameter acquisition device | |
| CN102632967A (en) | Distributed real-time online safety monitoring and evaluating system for ship structure | |
| CN202058271U (en) | CAN bus redundancy ship cabin monitor and alarm system | |
| CN116151557A (en) | Visual management method and device for inspection equipment and data cockpit system | |
| CN212032008U (en) | Marine engine room auxiliary engine monitoring system | |
| CN205532496U (en) | Drilling platform information black box | |
| TWI361784B (en) | A system for remote monitoring and diagnosing marine engines | |
| KR102575237B1 (en) | Alarm information monitoring system for vessel and vessel including the same | |
| CN103439939A (en) | Ship energy consumption monitoring system | |
| CN109932024A (en) | A kind of long-range judgment method of industrial flow instrument fault and system | |
| CN111711789A (en) | Town planning intelligent surveying and mapping achievement monitoring system capable of being formulated according to requirements | |
| CN110986378A (en) | Boiler safety monitoring platform |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200731 |
|
| RJ01 | Rejection of invention patent application after publication |