CN210466077U - Liquid cargo management system for supertanker - Google Patents
Liquid cargo management system for supertanker Download PDFInfo
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- CN210466077U CN210466077U CN201921565851.5U CN201921565851U CN210466077U CN 210466077 U CN210466077 U CN 210466077U CN 201921565851 U CN201921565851 U CN 201921565851U CN 210466077 U CN210466077 U CN 210466077U
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Abstract
The utility model relates to a liquid cargo management system for a supertanker, two network exchange boxes and a data processing cabinet built-in management type network exchanger form a redundant Ethernet ring network; the two workstations are connected on the Ethernet ring network in a hot standby state. The data processing cabinet is internally provided with two redundant data processing units and a plurality of gateway servers, the gateway servers are respectively connected with each liquid cargo subsystem and uniformly convert real-time signals of the liquid cargo subsystems into MODBUS-TCP signals to be sent to the data processing units, and the data processing units receive work station commands to control liquid cargo subsystem equipment in real time and can monitor cargo oil loading and unloading and protect the equipment. The data processing cabinet is internally provided with a safety type router at the same time, and is used for receiving the loading scheme sent by the loading computer and simultaneously issuing the real-time data of the liquid cargo system to the outside through the safety type router. The utility model discloses liquid cargo management system can guarantee VLCC liquid cargo system's high real-time, high stability and high security.
Description
Technical Field
The utility model relates to a data management system, in particular to liquid cargo management system for super large oil ship.
Background
The VLCC is a short for super-large oil tanker, a liquid cargo system in the VLCC is a complex and huge system and comprises a plurality of subsystems, such as a cargo oil pump, a ballast pump system, a liquid level monitoring system, a valve remote control system, a combustible gas monitoring system, a ballast water system, an inert gas system, an oil gas recovery system, an oil discharge monitoring system and the like, all the subsystems in a cargo control room of the VLCC are independent at present, data interaction does not exist among the subsystems, and an intelligent management system with comprehensive data processing capability is lacked for processing complex logic relations among all the subsystems. In addition, the communication interface forms and protocols of the subsystems are various, and the real-time data signal quantity is large, so that an intelligent management system with high real-time performance and expansion capability is needed. The crude oil loaded by the VLCC is inflammable and explosive, and the failure of single-point equipment in loading and unloading can cause the leakage of cargo oil, thereby not only causing environmental pollution, but also causing fire and explosion and threatening the safety of ships. A liquid cargo intelligent management system with high real-time performance, high stability, high safety and comprehensive data analysis capability is urgently needed for a liquid cargo system of a VLCC supertanker.
Disclosure of Invention
The utility model discloses a to the many, various, the data volume of interface of super large oil ship liquid cargo subsystem, be difficult to the problem of management, provided a liquid cargo management system for super large oil ship, have comprehensive data analysis throughput, can guarantee VLCC liquid cargo system's high real-time, high stability and high security.
The technical scheme of the utility model is that: a liquid cargo management system for a supertanker comprises two workstations, two network exchange boxes and a data processing cabinet, wherein the two network exchange boxes and a management type network switch in the data processing cabinet form a redundant Ethernet ring network; two redundant data processing units and eight gateway servers are arranged in the data processing cabinet, the eight gateway servers are respectively and correspondingly connected with the eight liquid cargo subsystems, the gateway servers uniformly convert real-time signals of the liquid cargo subsystems into MODBUSTCP signals to be connected to the data processing unit in the data processing cabinet and the Ethernet ring network, the data processing unit is also connected to the Ethernet ring network, and the data processing unit automatically finishes cargo oil loading and unloading and equipment protection functions after receiving a workstation command to control liquid cargo subsystem equipment in real time; and a safety type router is also arranged in the data processing cabinet and used for receiving the stowage scheme sent by the stowage computer and externally releasing the real-time data of the liquid cargo management system through the safety type router.
The liquid cargo management system for the ultra-large oil tanker is characterized in that two redundant data processing units are arranged in a data processing cabinet, the two redundant data processing units are hard redundancy, two CPU modules independently run respective control programs, two synchronization modules are used for carrying out real-time synchronization on data between the two CPU modules, the two redundant data processing units are respectively connected into an Ethernet ring network through two Ethernet communication network ports, and eight gateway servers are connected with a liquid cargo subsystem of any communication protocol.
The liquid cargo management system for the ultra-large oil tanker receives the stowage scheme file of the stowage computer through a safety router in a data processing cabinet, sends the stowage scheme to a data processing unit through a ring network, and the data processing unit analyzes the stowage plan and monitors the loading and unloading process of cargo oil; and the liquid cargo management system sends the data in the liquid cargo system to the marine network platform through the safety router.
The beneficial effects of the utility model reside in that: the utility model is used for the liquid cargo management system of super large oil ship, it is many, the interface is various, the big problem of data volume to solve super large oil ship liquid cargo subsystem, and the integrated management data improves the system stability and security.
Drawings
Fig. 1 is a schematic structural view of a liquid cargo management system for a supertanker according to the present invention;
fig. 2 is the internal structure diagram of the data processing cabinet of the present invention.
Detailed Description
The liquid cargo management system for the supertanker is shown in figure 1 and comprises two workstations, two network switch boxes and a data processing cabinet. The two network exchange boxes and the data processing cabinet are internally provided with a management type network exchanger to form a redundant Ethernet ring network; the two workstations are integrated marine industrial control machines, intelligent liquid cargo system management software is installed in the two workstations, real-time display, alarm and operation can be carried out on data collected by each subsystem of liquid cargo, and the two workstations are in a hot backup state. Two redundant data processing units and eight gateway servers are arranged in the data processing cabinet, the eight gateway servers are respectively and correspondingly connected with the liquid cargo subsystem, the liquid cargo subsystem comprises a cargo oil pump and a ballast pump system, a liquid level monitoring system, a valve remote control system, a combustible gas monitoring system, a ballast water system, an inert gas system, an oil gas recovery system and an oil discharge monitoring system, the gateway servers uniformly convert real-time signals of the subsystems into MODBUSTCP signals to be connected to the data processing units and the Ethernet ring network in the data processing cabinet, the data processing units are also connected to the Ethernet ring network, the data processing units receive work station commands to control the liquid cargo subsystem equipment in real time, and the cargo oil loading and unloading and equipment protection functions can be automatically completed. The data processing cabinet is internally provided with a safety type router at the same time, and is used for receiving the loading scheme sent by the loading computer and simultaneously issuing the real-time data of the liquid cargo system to the outside through the safety type router.
The two workstations adopt a maritime work control all-in-one machine of MPC-1240 with the model of MOXA, which are respectively a workstation No. 1 and a workstation No. 2, the workstation No. 1 is connected to a network exchange box No. 1 through a network cable, the workstation No. 2 is connected to a network exchange box No. 2 through a network cable, the workstation No. 1 and the workstation No. 2 form a hot backup state in a ring network, liquid cargo intelligent management system software developed based on similar C language is installed in the two workstations, and real-time data of a liquid cargo subsystem can be checked through a graphic page, control over subsystem equipment is carried out, and the like.
The network switch box No. 1 and the network switch box No. 2 are internally provided with an EDS-408 management type network switch of MOXA, a network cable is led out to be connected to a management type switch interface of the data processing cabinet respectively, and the two network switch boxes are also connected through the network cable as shown in figure 1, so that a redundant ring network is formed.
As shown in fig. 2, the internal structure diagram of the data processing cabinet is a schematic diagram, in which 8 NT50-RS-EN gateway servers of heydu are built, and can convert the real-time MODBUS-RTU signals of 8 subsystems of the liquid cargo system into MODBUS-TCP signals and send the MODBUS-TCP signals to the redundant ring network for processing by the workstation and the data processing unit inside the data processing cabinet. The data processing units adopt an AC500 controller of ABB and a synchronous module to form a hard redundancy structure, the two data processing units are respectively connected to two management type network switches, and the two management type network switches are interconnected through a network cable. The management type network switch can be connected to the configuration computer through a security type router EDR-810 of MOXA, receives the loading and unloading plan file sent by the configuration computer, and can also externally release data of the liquid cargo management system to the ship network platform.
The two workstations are connected to the redundant Ethernet ring network through the network exchange box and are in a heat engine backup state, when any one fault occurs, seamless switching of the liquid cargo intelligent management system can be guaranteed, the workstation which has the fault is put into the network after being recovered, the normal workstation can transmit the lost data back to the workstation which is recovered, the two workstations are enabled to keep real-time synchronization of the data, real-time data of each subsystem of the liquid cargo can be checked through any workstation, and alarming and control parameters of each subsystem can be modified on line.
Two network exchange boxes and a data processing cabinet are provided with a management type network switch to form a high-speed redundant Ethernet ring network, the normal operation of the liquid cargo management system can be ensured due to the fault of any communication line in the ring network or the fault of the management type network switch, the self-healing time of the ring network is less than 20 milliseconds, and the real-time performance, the safety and the stability of the liquid cargo intelligent management system are ensured.
The data processing cabinet is internally provided with two redundant data processing units, the two redundant data units are hard redundancy, two CPU modules independently run respective control programs, the two synchronous modules are used for carrying out real-time synchronization on data between the two CPUs, the two redundant data processing units are connected into a redundant Ethernet ring network through two Ethernet communication network ports, and the eight gateway servers can be connected with subsystems of any communication protocol and can be increased or reduced according to requirements.
Because the redundant workstation, the redundant ring network and the data processing unit are redundant, the redundancy of the liquid cargo intelligent management device is increased, and the safety and the stability of the liquid cargo intelligent management system of the VLCC can be ensured under the condition that a single workstation, a single network device and a single data processing unit simultaneously have faults.
Through the safe router in the data processing cabinet, the workstation can receive the stowage scheme file of the stowage computer, and can send the stowage scheme to the data processing unit through the looped network, and the data processing unit monitors the loading and unloading process of the cargo oil after analyzing the stowage plan. The liquid cargo management system can also send important data in the liquid cargo system to the marine network platform through the safety router.
Claims (2)
1. A liquid cargo management system for a supertanker is characterized by comprising two workstations, two network exchange boxes and a data processing cabinet, wherein the two network exchange boxes and a management type network switch arranged in the data processing cabinet form a redundant Ethernet ring network; the data processing cabinet is internally provided with two redundant data processing units and a plurality of gateway servers, the gateway servers are respectively and correspondingly connected with each liquid cargo subsystem, the gateway servers uniformly convert real-time signals of each liquid cargo subsystem into MODBUSTCP signals to be connected to the data processing units in the data processing cabinet and the Ethernet ring network, the data processing units are also connected to the Ethernet ring network, and the data processing units receive commands of a workstation to control the liquid cargo subsystems in real time; and a safety type router is simultaneously arranged in the data processing cabinet, and the safety type router is connected with the configuration computer and the marine network platform.
2. The liquid cargo management system for supertanker according to claim 1, wherein two redundant data processing units are built in the data processing cabinet, each data processing unit is equipped with two independent CPU modules, two synchronization modules are respectively connected with the two CPU modules, and the two redundant data processing units are respectively connected to the ethernet ring network through two ethernet communication network ports.
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| CN201921565851.5U CN210466077U (en) | 2019-09-19 | 2019-09-19 | Liquid cargo management system for supertanker |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488724A (en) * | 2019-09-19 | 2019-11-22 | 中国船舶重工集团公司第七0四研究所 | Liquid goods management system for ultra large crude carrier |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110488724A (en) * | 2019-09-19 | 2019-11-22 | 中国船舶重工集团公司第七0四研究所 | Liquid goods management system for ultra large crude carrier |
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