CN112462683A - Remote control system for offshore unmanned platform crane on kilometer scale - Google Patents
Remote control system for offshore unmanned platform crane on kilometer scale Download PDFInfo
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- CN112462683A CN112462683A CN202011320474.6A CN202011320474A CN112462683A CN 112462683 A CN112462683 A CN 112462683A CN 202011320474 A CN202011320474 A CN 202011320474A CN 112462683 A CN112462683 A CN 112462683A
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/05—Programmable logic controllers, e.g. simulating logic interconnections of signals according to ladder diagrams or function charts
Abstract
A ten thousand meters level remote control system of unmanned platform loop wheel machine on sea includes: the second handle master order is arranged on the central platform, the central control room PLC is connected with the second handle master order and is arranged on the central platform, and the photoelectric conversion receiving module is connected with the central control room PLC; the photoelectric conversion receiving module is also connected with a photoelectric conversion sending module on the satellite unmanned platform, and the photoelectric conversion sending module is connected with an operation room PLC system and used for interactively controlling information of the crane so as to control various motions of the crane; the PLC system of the operating room is also connected with full limit and alarm signals and video monitoring to monitor various motion videos of the crane in real time; and the crane movement on the satellite unmanned platform is remotely controlled through the central platform. The invention can not only enable the touch screen of the operator to display the running state; moreover, remote control over multiple unmanned platform cranes can be achieved, and efficiency of remote control over the unmanned platform cranes is improved.
Description
Technical Field
The invention belongs to the technical field of offshore oil engineering, and particularly relates to a ten-kilometer-level remote control system for an offshore unmanned platform crane.
Background
At present, the offshore platform crane is widely applied to the offshore oil industry because of the characteristics of large hoisting capacity, convenient operation, impact resistance, good braking performance, safety and reliability. However, in the process of lifting objects and people, the conventional traditional crane needs a rope handling person to climb to a crane control room for control; as a result, for some unmanned platforms which are a little far away, a person in the department needs to be dispatched to and fro several times to get on the platform for operation, and therefore, the operation mode is time-consuming and labor-consuming; moreover, the working efficiency is low.
Disclosure of Invention
The invention aims to provide a kilometer-level remote control system of an offshore unmanned platform crane, which aims to solve the technical problems of time and labor waste and low working efficiency of the conventional operation mode.
In order to achieve the purpose, the specific technical scheme of the kilometer-level remote control system of the offshore unmanned platform crane is as follows:
a ten thousand meters level remote control system of unmanned platform loop wheel machine on sea includes: the second handle master order is arranged on the central platform, the central control room PLC is connected with the second handle master order and is arranged on the central platform, and the photoelectric conversion receiving module is connected with the central control room PLC; wherein the content of the first and second substances,
the central control room PLC on the central platform is also connected with the second comprehensive touch screen; the photoelectric conversion receiving module is also connected with a photoelectric conversion sending module on the satellite unmanned platform through a submarine cable, the photoelectric conversion sending module on the satellite unmanned platform is connected with an operation room PLC system and interactively controls information of the crane, one end of the operation room PLC system is connected with a first handle master, the other end of the operation room PLC system is connected with proportional valves of the crane, and the proportional valves are respectively connected with a lifting hook, the amplitude of the lifting arm and the rotation of the crane so as to control various motions of the crane;
the PLC system of the operating room is also respectively connected with the first comprehensive touch screen, the full-limiting and alarm signal and the video monitoring, and is used for displaying various motion signals of the crane on the screen and monitoring various motion videos of the crane in real time; the first handle master is used for controlling the PLC system of the operating room; and the system for remotely controlling the crane movement on the satellite unmanned platform is formed by the connection.
Further, each proportional valve is an actuating mechanism of the crane; each actuating mechanism is controlled by a driving hydraulic system to realize the lifting of the lifting hook, the amplitude variation of the lifting arm and the left and right rotation of the crane; and the independent remote control operation of the remote cranes is realized through a change-over switch of a PLC (programmable logic controller) of a central control room on the central platform.
Further, the control safety guarantee measures of the crane are as follows:
1) the crane on the satellite unmanned platform is provided with an upper limit sensor, a lower limit sensor, an upper limit sensor and a lower limit sensor of a lifting hook, and an encoder of the lifting hook, so that the safety of the crane is protected in real time, and a near limit deceleration function is provided; and the hydraulic oil tank on the crane is provided with: the central control room of the central platform is convenient for monitoring the temperature of hydraulic oil on the crane, the working pressure of each action on the crane, the liquid level of the hydraulic oil and the condition of the filter in real time;
2) the loop wheel machine on the unmanned platform of satellite installs the video monitoring of many pictures, includes: the visual angle of a cab on the crane, the monitoring of a lifting hook, the monitoring of a winch and other pictures; transmitting the real-time state on the satellite unmanned platform to a central platform control room through a single mode fiber so as to monitor the current state function of the satellite unmanned platform in real time and serve as a judgment basis for safe hoisting of a crane;
3) the integrated touch screens are respectively installed on the central platform control room and the crane control room on the satellite unmanned platform, and the first and second integrated touch screens simultaneously display the running state of the crane on the satellite unmanned platform;
4) deck emergency stop buttons are respectively arranged on decks of the satellite unmanned platform and the central platform, and the emergency stop buttons are connected with cranes on the satellite unmanned platform; when an emergency occurs, the platform commander can stop the operation of the crane in an emergency;
5) in order to ensure the safety of the whole process of the hoisting operation, a conductor of the department cable must be equipped with a site interphone at the site of the hoisting operation, and the interphone keeps continuous and effective contact with the interphone control personnel interphone of the central platform: and network signals between the satellite unmanned platform and the central platform are transmitted in a mode of 'a photoelectric converter + submarine optical fibers'.
Furthermore, a plurality of camera systems are arranged near the crane, and the camera systems transmit video signals to the remote central control platform through submarine optical fibers so as to provide real-time videos for control personnel.
Furthermore, a multi-way valve is arranged on the crane, an electric proportional driving module, a hydraulic oil tank configuration temperature sensor, a hydraulic system configuration pressure sensor and various information which are configured on the multi-way valve are transmitted to a main control room of the central platform through networking, and are displayed on a second comprehensive touch screen of the main control room of the central platform.
Furthermore, an indoor wireless relay station is respectively arranged on the satellite unmanned platform and the central platform; one end of the indoor wireless relay station is connected with the outdoor antenna, and the other end of the indoor wireless relay station is connected with the photoelectric converter; network signals between the photoelectric converter on the satellite unmanned platform and the central platform are transmitted in a mode of 'the photoelectric converter + the submarine optical fiber'; and wireless interphones are respectively arranged on the satellite unmanned platform and the central platform, and voice interconnection and intercommunication are realized through communication between the two wireless interphones.
Further, the filter blockage alarm device is a filter differential pressure device, when the hydraulic system works, a filter element in the filter gradually blocks the pressure of an inlet and an outlet to generate differential pressure due to the fact that pollutants in the system are intercepted, namely: and when the pressure difference value is increased to the set value of the signal transmitter, the signal transmitter automatically sends a signal to indicate that the operator of the system needs to clean or replace the filter element.
The remote control system for the offshore unmanned platform crane in the kilometer level has the following advantages:
the invention can not only enable the operating personnel to display the running state (such as a motor, a cooler, a lamp and the like) through the comprehensive touch screen of the master control room by the video monitoring system and various state monitoring sensors; moreover, remote control over multiple unmanned platform cranes can be achieved, labor cost and management cost are greatly reduced, and efficiency of remote control over the unmanned platform cranes is improved.
Drawings
FIG. 1 is a schematic flow diagram of the present invention;
fig. 2 is a schematic view of the usage state of the present invention.
The notation in the figure is:
1. a first integrated touch screen; 2. full limit and alarm signals; 3. monitoring a video; 4. a first handle master order; 5. an operating room PLC system; 6. each proportional valve; 7. a hook; 8. amplitude variation; 9. rotating; 10. A photoelectric conversion transmitting module; 11. a submarine cable; 12. a second integrated touch screen; 13. a second handle master; 14. a central control room PLC, 15 and a photoelectric conversion receiving module.
Detailed Description
In order to better understand the purpose, structure and function of the present invention, a remote control system at ten thousand meters level of an offshore unmanned platform crane according to the present invention is described in detail below with reference to the accompanying drawings.
As shown in fig. 1 and 2, the present invention includes: a second handle master 13 arranged on the central platform, a central control room PLC14 connected with the second handle master 13 on the central platform, and a photoelectric conversion receiving module 15 connected with the central control room PLC 14; wherein the content of the first and second substances,
the central control room PLC14 on the central platform is also connected with the second integrated touch screen 12; the central control room PLC14 system on the central platform is the core of the remote control system and is responsible for the logic control part of the whole system; the command sent by the second handle master 13 on the central platform is sent to the central control room PLC14, and the central control room PLC14 is sent to the photoelectric conversion receiving module 15;
the photoelectric conversion receiving module 15 is also connected with a photoelectric conversion sending module 10 on the satellite unmanned platform through a submarine cable 11, the photoelectric conversion sending module 10 on the satellite unmanned platform is connected with an operation room PLC system 5 and interactively controls information of the crane, one end of the operation room PLC system 5 is connected with a first handle master 4, the other end of the operation room PLC system 5 is connected with each proportional valve 6 of the crane, each proportional valve 6 is respectively connected with a lifting hook 7, the amplitude of the lifting arm 8 and the rotation of the crane 9 so as to control various motions of the crane; the operation room PLC system 5 is also respectively connected with the first comprehensive touch screen 1, the full-limiting and alarm signal 2 and the video monitor 3, and is used for displaying various motion signals of the crane on a screen and monitoring various motion videos of the crane in real time; the first handle master control 4 is used for controlling the PLC system 5 of the operating room; and the system for remotely controlling the crane movement on the satellite unmanned platform is formed by the connection.
Each proportional valve 6 is an actuating mechanism of a crane 7; and each actuating mechanism is controlled by a driving hydraulic system to realize the lifting of the lifting hook 7, the amplitude variation 8 of the suspension arm and the left and right rotation 9 of the crane; and the independent remote control operation of the plurality of remote cranes is realized through a change-over switch of a central control room PLC14 on the central platform.
The crane control safety guarantee measures are as follows:
1) the loop wheel machine on unmanned platform of satellite installs various sensors that are used for spacingly, includes: the upper and lower limit sensors of the lifting hook 7, the upper and lower limit sensors of the amplitude variation 8 and the encoder of the lifting hook 7 can provide protection for safety of the crane in real time and provide functions of near limit deceleration and the like; the hydraulic oil tank on the crane is provided with a temperature sensor, a pressure sensor, a liquid level sensor and a filter blockage alarm device, the filter blockage alarm device is a filter differential pressure device, when a hydraulic system works, a filter element in the filter gradually blocks an inlet and an outlet due to the interception of pollutants in the system to generate differential pressure (namely filter element pressure loss), when the differential pressure value is increased to a set value of a transmitter, the transmitter automatically sends a signal to indicate that system operators need to clean or replace the filter element, and the safe operation of the system is guaranteed so that a central platform central control room can monitor the temperature of hydraulic oil on the crane, the working pressure of each action on the crane, the liquid level of the hydraulic oil and the condition of the filter in real time;
2) the loop wheel machine on the unmanned platform of satellite installs the video monitoring of many pictures, includes: the visual angle of a cab on the crane, the monitoring of a lifting hook, the monitoring of a winch and other pictures; the real-time state on the satellite unmanned platform is transmitted to a central platform control room through single-mode optical fibers, so that the current state function of the satellite unmanned platform can be monitored in real time and is used as a judgment basis for safe hoisting of a crane;
3) the central platform control room of the crane on the central platform control room and the satellite drone (i.e.: operating room PLC system 5) is last to install first comprehensive touch-sensitive screen 1 and the touch-sensitive screen 12 is synthesized to the second respectively, on touch-sensitive screen 12 is synthesized to first comprehensive touch-sensitive screen 1 and second, shows the loop wheel machine on the unmanned platform of satellite simultaneously, such as: the operating state of the motor, cooler, light fixture, etc.;
4) emergency stop buttons are respectively arranged on decks of the satellite unmanned platform and the central platform, and the emergency stop buttons are connected with cranes on the satellite unmanned platform; when an emergency occurs, the platform commander can stop the operation of the crane in an emergency;
5) in order to ensure the safety of the whole process of the hoisting operation, a conductor of the department cable must be equipped with a site interphone on the site of the hoisting operation, the interphone keeps continuous and effective contact with the interphone operator interphone of the central platform, and an IP (internet protocol) talkback mode through optical fiber transmission is recommended, namely: and a set of wireless relay system with an IP function is respectively arranged on the satellite unmanned platform and the central platform. The indoor wireless relay station can be connected to a network through an RJ45 interface, and network signals between the satellite unmanned platform and the central platform are transmitted in a mode of 'a photoelectric converter + submarine optical fibers'. The method can realize real-time, quick and high-quality transmission of transmission signals in 10 nautical miles. Meanwhile, related personnel of ships, satellite unmanned platforms and central platforms in short distance (within 5 nautical miles) can also realize voice interconnection and intercommunication through the wireless interphone. (the audio signal transmission flow is shown in FIG. 2)
As shown in fig. 2, in order to ensure the safety of the whole process of the hoisting operation, a conductor of the department cable must be equipped with a site interphone at the site of the hoisting operation (i.e. on the unmanned platform), and the site interphone keeps continuous and effective contact with the interphone operator of the central platform; it is recommended to use an IP intercom over fiber, namely: and a set of wireless relay system with an IP function is respectively arranged on the satellite unmanned platform and the central platform. The indoor wireless relay station can be connected to a network through an RJ45 interface, and network signals between the satellite unmanned platform and the central platform are transmitted in a mode of 'a photoelectric converter + submarine optical fibers'. The method can realize real-time, quick and high-quality transmission of transmission signals in 10 nautical miles. Meanwhile, related personnel of ships, satellite unmanned platforms and central platforms in short distance (within 5 nautical miles) can also realize voice interconnection and intercommunication through the wireless interphone.
As shown in fig. 2, the audio signal setting and transmission process is as follows:
the method includes the steps that an indoor wireless relay station is arranged on a satellite unmanned platform and a central platform respectively;
one end of the indoor wireless relay station is connected with the outdoor antenna, and the other end of the indoor wireless relay station is connected with the photoelectric converter;
network signals between the photoelectric converter on the satellite unmanned platform and the central platform are transmitted in a mode of 'the photoelectric converter + the submarine optical fiber';
and wireless interphones are respectively arranged on the unmanned satellite platform and the central platform, and voice interconnection and intercommunication are realized through communication between the two wireless interphones.
As shown in FIG. 1, the present invention, when in use, performs the following steps:
the first step is as follows: sending the command sent by the second handle master 13 on the central platform to the central control room PLC 14; wherein, the PLC is a programmable calculator.
The second step is that: after passing through the photoelectric conversion receiving module 15, the central control room PLC14 is transmitted to the platform operation room PLC system 5 on the satellite unmanned platform through the submarine cable 11, and a plurality of cranes on the unmanned platform are operated through the platform operation room PLC 5;
the third step: driving each proportional valve 6 of a hydraulic system on a plurality of cranes to control each actuating mechanism of the plurality of cranes to realize the lifting of a lifting hook 7, the amplitude variation 8 of a lifting arm and the left and right rotation 9 of the cranes;
and a plurality of camera systems are arranged near the crane, and the camera systems transmit video signals to the remote central control platform through the submarine optical fibers 10 so as to provide real-time videos for control personnel.
The electric proportional driving module, the hydraulic oil tank configuration temperature sensor, the hydraulic system configuration pressure sensor and various kinds of information configured on the multi-way valve of the unmanned platform crane are transmitted to the main control room of the central platform through networking and displayed on the comprehensive touch screen 13 of the main control room of the central platform, such as: the running states of the motor, the cooler, the lamp and the like.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as being fixed or detachably or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The integrated touch screen, the video monitoring, the handle master, the operation room PLC system, the proportional valves, the lifting hook, the amplitude variation, the rotation, the photoelectric conversion sending module, the submarine cable, the central control room PLC, the photoelectric conversion receiving module, the filter voltage differentiator and various sensors are the prior art, and the unexplained technology is the prior art, so that the details are not repeated.
It is to be understood that the present invention has been described with reference to certain embodiments, and that various changes in the features and embodiments, or equivalent substitutions may be made therein by those skilled in the art without departing from the spirit and scope of the invention. In addition, many modifications may be made to adapt a particular situation or material to the teachings of the invention without departing from the essential scope thereof. Therefore, it is intended that the invention not be limited to the particular embodiment disclosed, but that the invention will include all embodiments falling within the scope of the appended claims.
Claims (7)
1. The utility model provides a ten thousand meters level remote control system of unmanned platform loop wheel machine on sea which characterized in that includes: the second handle master order is arranged on the central platform, the central control room PLC is connected with the second handle master order and is arranged on the central platform, and the photoelectric conversion receiving module is connected with the central control room PLC; wherein the content of the first and second substances,
the central control room PLC on the central platform is also connected with the second comprehensive touch screen; the photoelectric conversion receiving module is also connected with a photoelectric conversion sending module on the satellite unmanned platform through a submarine cable, the photoelectric conversion sending module on the satellite unmanned platform is connected with an operation room PLC system and interactively controls information of the crane, one end of the operation room PLC system is connected with a first handle master, the other end of the operation room PLC system is connected with proportional valves of the crane, and the proportional valves are respectively connected with a lifting hook, the amplitude of the lifting arm and the rotation of the crane so as to control various motions of the crane;
the PLC system of the operating room is also respectively connected with the first comprehensive touch screen, the full-limiting and alarm signal and the video monitoring, and is used for displaying various motion signals of the crane on the screen and monitoring various motion videos of the crane in real time; the first handle master is used for controlling the PLC system of the operating room; and the system for remotely controlling the crane movement on the satellite unmanned platform is formed by the connection.
2. The remote control system for the offshore unmanned platform crane on a kilometer scale as recited in claim 1, wherein each proportional valve is an actuating mechanism of the crane; each actuating mechanism is controlled by a driving hydraulic system to realize the lifting of the lifting hook, the amplitude variation of the lifting arm and the left and right rotation of the crane; and the independent remote control operation of the remote cranes is realized through a change-over switch of a PLC (programmable logic controller) of a central control room on the central platform.
3. The remote control system for the offshore unmanned platform crane on the kilometer scale as recited in claim 1, wherein the safety control measures of the crane are as follows:
1) the crane on the satellite unmanned platform is provided with an upper limit sensor, a lower limit sensor, an upper limit sensor and a lower limit sensor of a lifting hook, and an encoder of the lifting hook, so that the safety of the crane is protected in real time, and a near limit deceleration function is provided; and the hydraulic oil tank on the crane is provided with: the central control room of the central platform is convenient for monitoring the temperature of hydraulic oil on the crane, the working pressure of each action on the crane, the liquid level of the hydraulic oil and the condition of the filter in real time;
2) the loop wheel machine on the unmanned platform of satellite installs the video monitoring of many pictures, includes: the visual angle of a cab on the crane, the monitoring of a lifting hook, the monitoring of a winch and other pictures; transmitting the real-time state on the satellite unmanned platform to a central platform control room through a single mode fiber so as to monitor the current state function of the satellite unmanned platform in real time and serve as a judgment basis for safe hoisting of a crane;
3) the integrated touch screens are respectively installed on the central platform control room and the crane control room on the satellite unmanned platform, and the first and second integrated touch screens simultaneously display the running state of the crane on the satellite unmanned platform;
4) deck emergency stop buttons are respectively arranged on decks of the satellite unmanned platform and the central platform, and the emergency stop buttons are connected with cranes on the satellite unmanned platform; when an emergency occurs, the platform commander can stop the operation of the crane in an emergency;
5) in order to ensure the safety of the whole process of the hoisting operation, a conductor of the department cable must be equipped with a site interphone at the site of the hoisting operation, and the interphone keeps continuous and effective contact with the interphone control personnel interphone of the central platform: and network signals between the satellite unmanned platform and the central platform are transmitted in a mode of 'a photoelectric converter + submarine optical fibers'.
4. The remote control system of claim 1, wherein a plurality of camera systems are arranged near the crane, and the camera systems transmit video signals to the remote central control platform through submarine optical fibers to provide real-time videos for operators.
5. The remote control system of the offshore unmanned platform crane in kilometer-scale as recited in claim 1, 2, 3 or 4, wherein the crane is provided with a multi-way valve, an electric proportional driving module, a hydraulic oil tank configuration temperature sensor, a hydraulic system configuration pressure sensor and various information which are configured on the multi-way valve are transmitted to a main control room of the central platform through networking and are displayed on a second comprehensive touch screen of the main control room of the central platform.
6. The remote control system of claim 1, wherein the satellite unmanned platform and the central platform are respectively provided with an indoor wireless relay station; one end of the indoor wireless relay station is connected with the outdoor antenna, and the other end of the indoor wireless relay station is connected with the photoelectric converter; network signals between the photoelectric converter on the satellite unmanned platform and the central platform are transmitted in a mode of 'the photoelectric converter + the submarine optical fiber'; and wireless interphones are respectively arranged on the satellite unmanned platform and the central platform, and voice interconnection and intercommunication are realized through communication between the two wireless interphones.
7. The remote control system of claim 3, wherein the filter blockage alarm device is a filter pressure difference device, when the hydraulic system works, a filter element in the filter gradually blocks the inlet and outlet pressure due to the interception of pollutants in the system, so that the pressure difference is generated: and when the pressure difference value is increased to the set value of the signal transmitter, the signal transmitter automatically sends a signal to indicate that the operator of the system needs to clean or replace the filter element.
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Application publication date: 20210309 |
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