CN110853408A - Offshore wind farm electronic fence and acousto-optic early warning device and method - Google Patents
Offshore wind farm electronic fence and acousto-optic early warning device and method Download PDFInfo
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Abstract
The invention provides an offshore wind farm electronic fence and acousto-optic early warning equipment, which at least comprise: the electronic fence matching equipment is used for establishing a virtual electronic fence and electronic fence equipment for warning construction ships in an offshore wind farm; and the early warning equipment performs early warning according to the target entering the electronic fence. The method has the advantages that sensors such as radar, AIS and CCTV are used for collecting field information, all-dimensional monitoring is achieved, early warning is achieved in time when a ship breaks into a wind power early warning area through sound and light alarm equipment, compared with a physical wind power water area warning mark, the method does not occupy a navigation water area, does not affect visual observation, and solves the problems that the physical warning mark is high in installation and construction difficulty, high in cost, difficult to maintain and the like; the device carries out linkage and information fusion with equipment such as AIS, radar, CCTV, VHF, and its setting can effectively catch, early warning, call, drive away all mistake income boats and ships, and effectual guarantee boats and ships navigation safety and offshore wind farm construction and operation safety.
Description
Technical Field
The invention relates to an offshore wind farm electronic fence, acousto-optic early warning equipment and an acousto-optic early warning method.
Background
Until now, China has a history of construction of offshore wind farms for more than ten years, but the corresponding safety management of the construction of offshore wind farms is still in the initial groping stage, a reasonable, effective and complete supervision rule system is not formed, and the offshore wind farms still have great safety risks in the construction process due to the particularity and the dangerousness of the construction environment, and once an accident occurs, the offshore wind farms will cause great life and property loss to the society and enterprises, and have great social influence. Therefore, it is necessary to enhance the safety supervision of the offshore wind farm construction process, establish a complete supervision system from multiple angles, and cover the ships, personnel and environmental elements in the construction process.
In the face of increasingly severe water traffic supervision situations, a passive traditional supervision mode cannot deal with complex situations such as meeting of multiple ships and the like, important early warning is easily omitted, and water traffic accidents can be caused. Therefore, the traditional 'people-centered' water supervision mode cannot meet the requirements of modern water traffic safety, and the supervision mode needs to be changed to improve the supervision efficiency. Therefore, it is necessary to establish an electronic fence pre-warning device capable of automatically alarming to improve the supervision efficiency.
Disclosure of Invention
In order to solve the problems, the invention provides an offshore wind farm electronic fence, and acousto-optic early warning equipment and method, which can realize intelligent early warning.
The technical scheme of the invention is realized as follows:
an offshore wind farm electronic fence and acousto-optic early warning device at least comprises:
the electronic fence matching equipment is used for establishing a virtual electronic fence and electronic fence equipment for warning construction ships in an offshore wind farm;
and the early warning equipment performs early warning according to the target entering the electronic fence.
Preferably, the electronic fence supporting equipment at least comprises:
the virtual warning instrument is used for cooperating with the AIS receiving and dispatching base station to display at least one stage of electronic fence warning line on the electronic fence and set a position marking point;
the AIS receiving and dispatching base station is used for determining the electronic fence in cooperation with the virtual warning instrument and detecting ship information data of a nearby water area in real time;
the terminal client and the mobile client display ship information in the electronic fence in real time, so that the ship information is convenient to check in a monitoring room;
and the server is connected with the virtual warning instrument, the AIS transceiving base station, the terminal client and the mobile client for data acquisition and analysis.
Preferably, the establishment of the electronic fence means that a polygonal or circular warning area is established according to the geometric shape of a construction area of the wind farm and by combining navigation conditions, sea conditions, weather conditions and other conditions of ships in the area, and each ship designs the warning area according to the performance of steering, steering and the like and the size of a working area.
Preferably, the early warning device at least comprises, arranged in a designated early warning area:
the radar detects the water area object around the electronic fence in real time;
the VHF equipment is used for carrying out instant messaging and broadcasting voice alarm information to surrounding ships;
the CCTV system is used for acquiring and communicating image data and acquiring dynamic information of the ship;
and the audible and visual alarm gives an audible and visual alarm, and an audible and visual signal is adopted to remind the ship to drive away as soon as possible after the ship drives into the electronic fence.
Preferably, the system further comprises a personnel dynamic tracking, displaying and missing early warning system, the Internet of things electronic tag is adopted, the tag is small in size, and can be carried about or embedded into the safety helmet to serve as a positioning tag of constructors.
An offshore wind farm electronic fence and an acousto-optic early warning method comprise the following steps:
s1, acquiring real-time data of the target ship, including ship position, ship speed, course and current wind flow pressure difference;
s2, if the target ship enters the virtual electronic fence detection range, carrying out track prediction;
s3, if the predicted track of the target ship passes through the electronic fence, issuing early warning information, and performing acousto-optic early warning on the ship through acousto-optic early warning equipment which is arranged in a wind field and is closest to the target ship.
Preferably, the track prediction means that the ship track plotting is continued inside the electronic fence, that is:
drawing a true course line from a target vessel point A, and drawing a wind course line from the target vessel A according to the wind course; intercept a point B in the wind trajectory, let AB equal to vLt，VLThe ship speed is taken as t is the time; drawing a water flow vector BC from a point B, wherein the length of BC is equal to the flow, and an end point C is the dead reckoning ship position; connecting the starting point A and dead reckoning C, i.e.AC is dead reckoning;
if the calculated dead reckoning line AC passes through the warning area of the electronic fence closest to the dead reckoning line AC and a first intersection point D of the warning boundary, namely BC < BD, voice broadcasting and light alarming are carried out; if the calculated track line AC is outside the warning zone of the ship closest to the ship, namely D does not exist, the track calculation is continued until the ship leaves the inside of the electronic fence.
Preferably, the electronic fence at least comprises three levels of warning lines including a red warning line, a yellow warning line and a blue warning line from inside to outside, wherein ① target ships pass through the blue warning line and automatically broadcast voices including ship names, positions, call signs and warning contents to surrounding ships through VHF equipment, ② target ships pass through the yellow warning line and remind the ships to drive away as soon as possible through sound and light early warning equipment, and ③ target ships pass through the red warning line and are manually interfered to drive away the ships, and meanwhile, a CCTV system is started to track and monitor the ship navigation dynamic.
The invention has the following beneficial effects:
(1) utilize sensors such as radar, AIS, CCTV to gather site information, realize all-round control to utilize audible-visual alarm equipment to realize having boats and ships to break into timely early warning when wind-powered electricity generation early warning region, compare with wind-powered electricity generation waters warning mark in kind, do not occupy the navigation waters, do not influence the vision and watch out, avoided warning mark in kind installation construction degree of difficulty big, the expense is high and maintain difficult scheduling problem.
(2) The traditional navigation mark distribution scheme is difficult to effectively warn and drive away partial ships close to a wind power plant or passing through a wind power field area, and from the aspects of safe operation of wind power enterprises, convenient supervision and reduction of water traffic accidents, the electronic fence with multi-stage early warning and the acousto-optic early warning system can be supplemented with wind power plant navigation mark engineering, and also supplement the traditional navigation mark engineering in the fields of warning and driving away ships, so that the effect of jointly guaranteeing wind power plant construction and ship safety is achieved.
(3) The peripheral traffic environment of offshore wind farm is complicated, nearby navigation ships have the mistake to go into the wind farm, the potential safety hazard that the sea cable is damaged and the collision occurs with the fan, construction ship, operation and maintenance ship, especially the AIS ship is not opened to "three nothing" boats and ships and part, it is difficult to catch only to rely on the AIS system, fence and reputation early warning system fuse AIS, radar, CCTV, VHF, reputation early warning equipment etc. its setting can effectively catch, the early warning, call, drive away all mistake income boats and ships, effectual guarantee boats and ships navigation safety and wind farm construction and operation safety.
(4) On the basis of the existing wind power optical fiber communication network, an autonomous wireless network covering the whole monitoring area is established, and supplementary communication can be carried out by utilizing a commercial network of an operator.
(5) The system integrates communication systems such as VHF, single-side band short-wave radio stations, IP phones and mobile phones, realizes IP-based seamless scheduling and unified communication of various work posts such as monitoring centers, patrol ships and office networks, and can realize automatic calling of early warning ships.
(6) The functions of an electronic chart display platform, a three-dimensional visual display platform, wind power water area intelligent monitoring, decision assistance and the like are realized, a basic data platform is provided for wind power water area monitoring and emergency command in danger, and a highly intuitive and intelligent monitoring three-dimensional geographic information system is formed.
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In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
Fig. 1 is a schematic diagram of the framework of the present invention.
FIG. 2 is a control flow chart of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments of the present invention, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1-2, an electronic fence and an acousto-optic early warning device for an offshore wind farm at least includes: the electronic fence matching equipment is used for establishing a virtual electronic fence and electronic fence equipment for warning construction ships in an offshore wind farm; and the early warning equipment performs early warning according to the target entering the electronic fence.
Wherein, the supporting equipment of fence includes at least: the virtual warning instrument is used for cooperating with the AIS receiving and dispatching base station to display at least one stage of electronic fence warning line on the electronic fence and set a position marking point; the AIS receiving and dispatching base station is used for determining the electronic fence in cooperation with the virtual warning instrument and detecting ship information data of a nearby water area in real time; the terminal client and the mobile client display ship information in the electronic fence in real time, so that the ship information is convenient to check in a monitoring room; and the server is connected with the virtual warning instrument, the AIS transceiving base station, the terminal client and the mobile client for data acquisition and analysis.
The establishment of the electronic fence refers to the establishment of a polygonal or circular warning area according to the geometric shape of a wind power plant construction area and the conditions of navigation conditions, construction area sea conditions, weather and the like of ships in the area, and each ship designs the warning area according to the performance of operation, steering and the like and the size of a working area.
Wherein, early warning equipment is at least including setting up in appointed early warning area: the radar detects the water area object around the electronic fence in real time; the VHF equipment is used for carrying out instant messaging and broadcasting voice alarm information to surrounding ships; the CCTV system is used for acquiring and communicating image data and acquiring dynamic information of the ship; and the audible and visual alarm gives an audible and visual alarm, and an audible and visual signal is adopted to remind the ship to drive away as soon as possible after the ship drives into the electronic fence.
The specific functions of each device are as follows:
the virtual warning instrument is arranged in an important area of construction ship operation and around an important ship based on an automatic identification system, a satellite positioning system (GPS/Beidou), an electronic chart/channel chart system and other modern technologies, and reminds other ships passing through the position to improve the alertness and carefully drive, so that the ships navigating through the area can know the danger of the water area as early as possible and make avoidance measures as early as possible, and the safety of the construction area is ensured.
The AIS receiving and dispatching base station obtains the AIS data of boats and ships, inserts third party commercial company's satellite AIS data, fuses bank base AIS data and satellite AIS data, forms higher accuracy, wider AIS data, supplies the supervisor to accurately look over. Meanwhile, radar real-time images are superposed and fused, and real-time tracking and supervision are carried out on the ship.
The radar realizes target tracking and early warning of the whole wind power water area by building a radar base station, realizes 24-hour uninterrupted tracking and early warning, and can effectively eliminate interference of poor visibility (fog and the like).
The CCTV system collects video data of a ship construction site by using a high-definition camera, can monitor and review in real time, directly knows the most direct and clear picture of the site, and is convenient for supervision personnel to master the site construction condition most directly and conveniently. And automatic linkage tracking of the target ship can be realized.
The audible and visual alarm simultaneously sends sound and light warning signals to the ship which triggers the secondary alarm and passes through the yellow early warning line, and warns the ship to drive away from the water area of the wind power plant. Compared with the traditional audible and visual alarm, the audible and visual alarm has the characteristics of longer audible and visual transmission distance, stronger penetrating power and the like because of being applied to the sea.
The early warning method comprises the following steps:
s1, acquiring real-time data of the target ship, including ship position, ship speed, course and current wind flow pressure difference;
s2, if the target ship enters the virtual electronic fence detection range, carrying out track prediction;
s3, if the predicted track of the target ship passes through the electronic fence, issuing early warning information, and performing acousto-optic early warning on the ship through acousto-optic early warning equipment which is arranged in a wind field and is closest to the target ship.
AIS data are collected firstly and supplemented by combining other ship databases and the like. And acquiring AIS text data, and decoding the AIS text data to obtain dynamic information of the ship, including navigation, time, GPS ship position, navigation speed and navigation state information.
And secondly, judging the acquired ship position, and continuing to predict the track in the electronic fence. As shown in fig. 2, the track prediction means that the ship track plotting is continued inside the electronic fence, that is:
drawing a true course line from a target vessel point A, and drawing a wind course line from the target vessel A according to the wind course; intercept a point B in the wind trajectory, let AB equal to vLt，VLThe ship speed is taken as t is the time; drawing a water flow vector BC from a point B, wherein the length of BC is equal to the flow, and an end point C is the dead reckoning ship position; connecting the starting point A and the dead reckoning ship position C, namely AC is a dead reckoning line;
if the calculated dead reckoning line AC passes through the warning area of the electronic fence closest to the dead reckoning line AC and a first intersection point D of the warning boundary, namely BC < BD, voice broadcasting and light alarming are carried out; if the calculated track line AC is outside the warning zone of the ship closest to the ship, namely D does not exist, the track calculation is continued until the ship leaves the inside of the electronic fence.
The electronic fence at least comprises three levels of warning lines including a red warning line, a yellow warning line and a blue warning line from inside to outside, wherein ① target ships pass through the blue warning line and automatically broadcast voices including ship names, positions, call signs and warning contents to surrounding ships through VHF equipment, ② target ships pass through the yellow warning line and remind the ships to drive away as soon as possible through sound and light early warning equipment, ③ target ships pass through the red warning line and drive away the ships through manual intervention, and meanwhile, a CCTV system is started to track and monitor the ship sailing dynamic state.
The intelligent safety helmet further comprises a personnel dynamic tracking, displaying and missing early warning system, an Internet of things electronic tag is adopted, the tag is small in size, and can be carried about or embedded into the safety helmet to serve as a positioning tag of constructors. The electronic tag is internally provided with a GPS module, so that the positioning and tracking of personnel outdoors are realized. Meanwhile, in order to solve the problem that the GPS indoor positioning accuracy is not high, the electronic tag is further provided with an Internet of things communication module, and accurate indoor positioning is achieved through mutual communication with positioning gateways arranged around ships. Based on GPS and thing networking communication module, can realize the accurate positioning to each electronic tags, also can accurate statistics number and everyone's operating time, the owner unit of being convenient for is to whole constructor's whole management.
The method comprises the following steps of visually displaying a map, purchasing a foreign authoritative electronic chart, an electronic map and a satellite image chart to form a visually displayed foundation, and defining and marking the construction area range of the offshore wind farm project, so that the construction water area is clear and visualized, and a user can visually check the real-time position of a construction ship in the whole construction water area of the offshore wind farm on the map; meanwhile, all construction ships and other ships with AIS navigating through the water area can be displayed on the map. The method comprises the following steps: displaying a wind field in real time, displaying an electronic fence, displaying ship dynamic, displaying a track, and inquiring and counting historical early warning information; and during early warning, the early warning alarm sound of the system, the flash of the chart early warning point and the like.
The dynamic real-time tracking and traffic organization system for the ship obtains AIS data of the ship, accesses satellite AIS data of a third-party commercial company, fuses shore-based AIS data and satellite AIS data, forms AIS data with higher precision and wider range, and allows a supervisor to accurately check the AIS data. Meanwhile, radar real-time images are superposed and fused, and real-time tracking and supervision are carried out on the ship.
The virtual warning guidance system is characterized in that a virtual warning instrument and a wind power plant water area based on a new navigation aid application technology generated by modern technologies such as an automatic identification system, a satellite positioning system (GPS/Beidou), an electronic chart/channel chart system and the like are arranged in an important area of construction ship operation and around an important ship, other ships passing through the position are reminded to improve the warning and drive carefully, so that the ships passing through the area can know the danger of the water area as early as possible, avoidance measures are taken as early as possible, and the safety of the construction area is guaranteed.
The CCTV system collects video data of a ship construction site by using a high-definition camera, can monitor and review in real time, directly knows the most direct and clear picture of the site, and is convenient for supervision personnel to master the site construction condition most directly and conveniently. And automatic linkage tracking of the target ship can be realized. The radar target tracking and early warning system realizes target tracking and early warning of the whole wind power water area by building a radar base station, realizes uninterrupted tracking and early warning for 24 hours, and can effectively eliminate interference of poor visibility (fog and the like).
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. The utility model provides an offshore wind farm fence and reputation early warning equipment which characterized in that includes at least:
the electronic fence matching equipment is used for establishing a virtual electronic fence and electronic fence equipment for warning construction ships in an offshore wind farm;
and the early warning equipment performs early warning according to the target entering the electronic fence.
2. The offshore wind farm electronic fence and acousto-optic early warning device of claim 1, wherein the electronic fence supporting device at least comprises:
the virtual warning instrument is used for cooperating with the AIS receiving and dispatching base station to display at least one stage of electronic fence warning line on the electronic fence and set a position marking point;
the AIS receiving and dispatching base station is used for determining the electronic fence in cooperation with the virtual warning instrument and detecting ship information data of a nearby water area in real time;
the terminal client and the mobile client display ship information in the electronic fence in real time, so that the ship information is convenient to check in a monitoring room;
and the server is connected with the virtual warning instrument, the AIS transceiving base station, the terminal client and the mobile client for data acquisition and analysis.
3. The offshore wind farm electronic fence and acousto-optic early warning device according to claim 1 or 2, wherein the establishment of the electronic fence means that a polygonal or circular warning area is established according to the geometric shape of the wind farm construction area and by combining the navigation conditions, the construction area sea conditions, the weather and other conditions of the ships in the area, and each ship designs its own warning area according to the performance of steering, turning and the like and the size of the working area.
4. The offshore wind farm electronic fence and acousto-optic early warning device according to claim 1, wherein the early warning device at least comprises, arranged in a designated early warning area:
the radar detects the water area object around the electronic fence in real time;
the VHF equipment is used for carrying out instant messaging and broadcasting voice alarm information to surrounding ships;
the CCTV system is used for acquiring and communicating image data and acquiring dynamic information of the ship;
and the audible and visual alarm gives an audible and visual alarm, and an audible and visual signal is adopted to remind the ship to drive away as soon as possible after the ship drives into the electronic fence.
5. The offshore wind farm electronic fence and acousto-optic early warning device according to claim 4, further comprising a personnel dynamic tracking, displaying and missing early warning system, wherein an internet of things electronic tag is adopted, the tag is small in size, can be carried about or embedded into a safety helmet, and serves as a positioning tag for constructors.
6. The early warning method for the electronic fence and the acousto-optic early warning device of the offshore wind farm according to claim 1, comprising the following steps:
s1, acquiring real-time data of the target ship, including ship position, ship speed, course and current wind flow pressure difference;
s2, if the target ship enters the virtual electronic fence detection range, carrying out track prediction;
s3, if the predicted track of the target ship passes through the electronic fence, issuing early warning information, and performing acousto-optic early warning on the ship through acousto-optic early warning equipment which is arranged in a wind field and is closest to the target ship.
7. The offshore wind farm electronic fence and acousto-optic early warning method according to claim 6, wherein the track prediction means that the ship track drawing is continued inside the electronic fence, namely:
drawing a true course line from a target vessel point A, and drawing a wind course line from the target vessel A according to the wind course; intercept a point B in the wind trajectory, let AB equal to vLt，VLThe ship speed is taken as t is the time; drawing a water flow vector BC from a point B, wherein the length of BC is equal to the flow, and an end point C is the dead reckoning ship position; connecting the starting point A and the dead reckoning ship position C, namely AC is a dead reckoning line;
if the calculated dead reckoning line AC passes through the warning area of the electronic fence closest to the dead reckoning line AC and a first intersection point D of the warning boundary, namely BC < BD, voice broadcasting and light alarming are carried out; if the calculated track line AC is outside the warning zone of the ship closest to the ship, namely D does not exist, the track calculation is continued until the ship leaves the inside of the electronic fence.
8. The offshore wind farm electronic fence and the acousto-optic early warning method according to claim 6, wherein the electronic fence at least comprises three levels of warning lines including a red warning line, a yellow warning line and a blue warning line from inside to outside, wherein a ① target ship passes through the blue warning line and automatically broadcasts voice including ship name, position, call sign and warning content to surrounding ships through VHF equipment, a ② target ship passes through the yellow warning line and reminds the ship to sail away as soon as possible through the acousto-optic early warning equipment, a ③ target ship passes through the red warning line and drives away the ship through human intervention, and meanwhile, a CCTV system is started to track and monitor the sailing dynamic of the ship.
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| CN115065925A (en) * | 2022-04-21 | 2022-09-16 | 广州海晟科技有限公司 | Satellite-based method for automatically tracking suspicious target of offshore wind field |
| CN115065925B (en) * | 2022-04-21 | 2024-10-01 | 广州海晟科技有限公司 | Automatic tracking method for suspicious targets in offshore wind farm based on satellites |
| CN115691224A (en) * | 2022-08-24 | 2023-02-03 | 广东海安水运技术服务有限公司 | Offshore wind farm ship monitoring method and system based on intelligent navigation safety management |
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