CN-117901993-B - Ship anchor position monitoring method and system

CN117901993BCN 117901993 BCN117901993 BCN 117901993BCN-117901993-B

Abstract

The invention discloses a ship anchor position monitoring method which comprises the steps of S1, setting a ship anchor position according to a ship position before anchoring, positioning the anchor position after calculating anchor position coordinates, S2, anchoring a ship to the anchor position for anchoring, S3, monitoring the main ship and the ship anchor position after anchoring, S4, judging the size of the inverse calculation distance between the actual ship anchor length and the anchor point coordinates, if the anchor cable length is smaller than the inverse calculation distance and reaches a first early warning value, carrying out anchor walking, alarming when personnel intervention timely processes alarming matters, S5, judging the nearest distance between the ship anchor position and a submarine cable, alarming when the distance is smaller than a second early warning value, and carrying out personnel intervention timely processes alarming matters, S6, judging the distance between the actual position of the main ship and a fan, and alarming when the distance is smaller than a third early warning value. A ship anchor monitoring system is also disclosed. And when the safety risk possibly occurs in the construction process, the alarm reminding is timely carried out, so that the safety accident is avoided.

Inventors

LIN YIDI
CHEN LONGTENG
SONG JIBIN
HUANG GUOFU
CHEN CHUN
LIU CHAO
HUANG CHAO
LIN JIAN
LIU CHENG
LI YONGKE
JI XIAOLEI

Assignees

中交海峰风电发展股份有限公司

Dates

Publication Date: 20260512
Application Date: 20240221

Claims (8)

1. A method of monitoring the mooring position of a vessel, comprising: step S1, before anchoring, setting a ship anchor position according to a main ship position, wherein the main ship position is a ship position, the ship anchor position is an anchor position, and after calculating anchor position coordinates, positioning the anchor position; S2, the anchor throwing ship runs to an anchor throwing position to throw anchors; step S3, monitoring the position of the main ship and the ship anchor after anchoring is completed; Step S4, judging the size of the inverse calculation distance between the actual anchor cable length and the coordinates of the anchoring point, if the anchor cable length is smaller than the inverse calculation distance and reaches a first early warning value, carrying out anchor running, alarming, and carrying out personnel intervention to timely process alarming matters, otherwise, not carrying out anchor running; S5, judging the nearest distance between the anchor position of the ship and the submarine cable, alarming when the distance is smaller than a second early warning value, and timely processing alarming matters by personnel intervention, otherwise, not needing intervention; Step S6, judging the distance between the actual position of the main ship and the fan, alarming when the distance is smaller than a third early warning value, and timely processing alarming matters by personnel intervention, otherwise, no intervention is needed; in the step S4, the step S5 and the step S6, the alarm is respectively carried out through an audible and visual alarm; In the step S4, the anchor cable length is obtained through the inverse calculation distance of the coordinates of the four corners of the main ship and the coordinates of the anchor points of the corresponding ship, when the anchor cable length is smaller than the inverse calculation distance and reaches a first early warning value, the anchor cable is walked, the audible and visual alarm gives an alarm, the alarm is divided into a 1-level alarm and a 2-level alarm, the 1-level alarm shows yellow, an alarm sound is given out and low-frequency flickering is carried out, the 2-level alarm shows red, the alarm sound is given out and high-frequency flickering is carried out, otherwise, the anchor cable is not walked, and the indicator lamp shows green; In the step S5, the point position coordinates of the ship anchor are calculated in real time through the coordinates of the four corners of the main ship, the direction of the anchor throwing ship corresponding to the ship anchor and the measured anchor cable length, the nearest distance between the ship anchor point and the sea cable is calculated, when the distance is smaller than a second early warning value, the audible and visual alarm gives an alarm, the alarm is divided into a 1-level alarm and a 2-level alarm, the 1-level alarm shows yellow, an indicator lamp gives out alarm sound and performs low-frequency flicker, the 2-level alarm shows red, and the alarm sound gives out alarm sound and performs high-frequency flicker, otherwise, the indicator lamp shows green; In the step S6, the position coordinates are obtained by positioning the main ship in real time, the distance from the side edge of the main ship to the fan is calculated reversely, when the distance is smaller than a third early warning value, the audible and visual alarm gives an alarm, the alarm is divided into a 1-level alarm and a 2-level alarm, the 1-level alarm shows yellow, the indicator lamp gives out alarm sound and performs low-frequency flickering, the 2-level alarm shows red, the indicator lamp gives out alarm sound and performs high-frequency flickering, and otherwise, the indicator lamp shows green.
2. A vessel mooring monitoring system for performing the vessel mooring monitoring method of claim 1, comprising: and (5) throwing an anchor ship end: the first satellite receiver is used for positioning the position of the anchor throwing ship in real time; the data transmission radio station is used for transmitting the position of the positioning anchor throwing ship to the monitoring module; the rotation sensor is arranged on the ship anchor and used for monitoring the rotation number of turns of the ship anchor during anchoring, so as to obtain the winding and unwinding length of the anchor cable; the main ship end: a second satellite receiver for locating the position of the main vessel in real time; The third satellite receiver is used for receiving the accurate positions of each submarine cable and the fan; the monitoring module is used for monitoring the positions of the main ship and the ship anchors in real time; The early warning module is used for judging the distance between the main ship and the fan, the distance between the ship anchor and the sea cable, and carrying out warning processing when the distance reaches a certain limit value; And the storage module is used for storing positioning data of the anchor throwing ship, the main ship, the sea cable and the fan and rotation sensor data.
3. A vessel mooring monitoring system according to claim 2, wherein the monitoring module comprises: The GPS handset is used for setting the position of the ship anchor according to the ship position before anchoring, and positioning the anchor position after calculating the anchor position coordinates; The ship anchor sea cable distance acquisition unit is used for acquiring the actual position of the ship anchor through the positions of the main ship and the anchor cable throwing ship and the length of the anchor cable in winding and unwinding so as to acquire the distance from the ship anchor to the sea cable; The main ship fan distance acquisition unit is used for acquiring the distance from the main ship to the fan by positioning the position of the main ship and the position of the fan in real time; the display unit is used for displaying the relative position relationship among the ship, the fan, the ship anchor and the submarine cable in a two-dimensional plane mode in real time.
4. The ship anchor monitoring system of claim 2, wherein the pre-warning module comprises: The anchor moving alarm unit is used for reversely calculating the distance through the coordinates of the four corner points of the main ship and the coordinates of the anchor breaking point of the corresponding ship, obtaining the length of the anchor cable through the rotation sensor, and alarming when the length of the anchor cable is smaller than the reversely calculated distance and reaches a first early warning value; the ship anchor collision sea cable alarm unit calculates the point position coordinates of the ship anchor in real time through the coordinates of the four corner points of the main ship, the direction of the anchor throwing ship corresponding to the ship anchor and the measured length of the anchor cable, calculates the nearest distance between the ship anchor point and the sea cable, and alarms when the distance is smaller than a second early warning value; and the main ship blower collision alarm unit is used for acquiring position coordinates by positioning the main ship in real time, reversely calculating the distance between the side edge of the ship and the blower, and alarming when the distance is smaller than a third early warning value.
5. The ship anchor monitoring system according to claim 4, wherein the first warning value, the second warning value and the third warning value are respectively provided with two stages, namely a 1-stage warning and a 2-stage warning, in the anchor running warning unit, the anchor collision submarine cable warning unit and the main ship collision fan warning unit.
6. The vessel anchor monitoring system of claim 5, wherein the early warning module further comprises: And the three audible and visual alarms are respectively used for alarm processing of the anchor walking alarm unit, the ship anchor collision sea cable alarm unit and the main ship collision fan alarm unit.
7. The ship anchor monitoring system of claim 6, wherein the audible and visual annunciator comprises red, yellow and green indicator lights, the audible and visual annunciator is illuminated with a red indicator light, a 2-level annunciator is illuminated with a yellow indicator light, a 1-level annunciator is illuminated with a green indicator light, and the system is normal.
8. The ship anchor monitoring system according to claim 7, wherein when the audible and visual alarm gives an alarm, the alarm can be canceled by the anchor moving alarm unit, the ship anchor submarine cable alarm unit or the main ship blower alarm unit, and the alarm can be canceled by pulling out a power line of the audible and visual alarm.

Description

Ship anchor position monitoring method and system Technical Field The invention relates to a ship anchor position monitoring method and a ship anchor position monitoring system. Background As the development of offshore wind farms in China is gradually accelerated, the scale of the offshore wind farms is larger and larger, and the offshore wind farms are developed to sea areas with larger offshore distances and deeper water depths, so that the marine environment is more and more severe. The huge installed capacity drives the development of the offshore wind power operation and maintenance market, and particularly, the offshore wind power operation and maintenance market is greatly released along with the quality guarantee period of a plurality of active offshore wind power units in recent years. In the offshore wind power operation and maintenance process, different types of operation ships are required to be equipped to complete operation and maintenance tasks. The sea area of the wind power plant is complex in sea condition, submarine cables are numerous, and if the offshore cables are damaged due to the fact that a construction ship breaks down and breaks down in the construction process, even the ship collides with structures such as a fan, irreparable important economic loss and social influence are caused. Therefore, the protection work on the cable along the line must be highly paid attention to in the construction process, and high requirements are put on the anchoring positioning and the anchor position monitoring of the construction ship. Therefore, a ship anchor position monitoring method and a ship anchor position monitoring system are required to be designed, so that the ship position and the anchor position are monitored in real time, and the safety distance between a ship and a fan foundation and between an anchor and a submarine cable is ensured. The safety and stability of the marine operation of the ship are improved to a great extent, and the method has remarkable social and economic values. Disclosure of Invention The invention aims to overcome the defects of the prior art and provide a ship anchor position monitoring method and a ship anchor position monitoring system, which can give an alarm and prompt in time when safety risks possibly occur in the construction process, so as to avoid safety accidents. The technical scheme for achieving the purpose is as follows: The invention relates to a ship anchor position monitoring method, which comprises the following steps: Step S1, before anchoring, setting a ship anchor position according to a ship position, and positioning the anchor position after calculating anchor position coordinates; s2, driving to an anchoring position by an anchor throwing ship, and anchoring; step S3, monitoring the position of the main ship and the ship anchor after anchoring is completed; S4, judging the size of the coordinate back calculation distance between the actual anchor length of the ship and the anchor breaking point, if the anchor cable length is smaller than the back calculation distance and reaches a first early warning value, carrying out anchor running, alarming, and carrying out personnel intervention to timely process alarming matters, otherwise, not carrying out anchor running; S5, judging the nearest distance between the anchor position of the ship and the submarine cable, alarming when the distance is smaller than a second early warning value, and timely processing alarming matters by personnel intervention, otherwise, not needing intervention; and S6, judging the distance between the actual position of the main ship and the fan, giving an alarm when the distance is smaller than a third early warning value, and enabling personnel to intervene to timely process alarm matters, otherwise, avoiding intervention. Preferably, in the step S4, the step S5 and the step S6, the alarm is performed by an audible and visual alarm, respectively, and the audible and visual alarm comprises red, yellow and green indicator lamps. Preferably, in the step S4, when the distance is calculated reversely by the coordinates of the four corners of the ship and the coordinates of the anchor points of the corresponding ship anchor, the length of the anchor cable is obtained by rotating the sensor, and when the length of the anchor cable is smaller than the calculated reversely and reaches the first early warning value, the anchor is walked, the audible and visual alarm gives an alarm, the alarm is divided into a 1-level alarm and a 2-level alarm, the 1-level alarm shows yellow, the indicator lamp gives off the alarm and gives off low-frequency flicker, the 2-level alarm shows red, and gives off the alarm and gives off high-frequency flicker; In the step S5, when the coordinates of four corners of the ship, the direction of the anchor throwing ship corresponding to the ship anchor and the length of the anchor cable are measured, the point coordinates of the ship anchor are