CN113320656B

CN113320656B - Floating type photovoltaic power station safety monitoring method and system

Info

Publication number: CN113320656B
Application number: CN202110752714.8A
Authority: CN
Inventors: 李二斌; 杨秋霞; 邹绍琨
Original assignee: Sungrow Renewables Development Co Ltd
Current assignee: Sungrow Renewables Development Co Ltd
Priority date: 2021-07-02
Filing date: 2021-07-02
Publication date: 2022-09-13
Anticipated expiration: 2041-07-02
Also published as: CN113320656A

Abstract

The application provides a floating photovoltaic power station safety monitoring method and system, the method obtains displacement data through a displacement monitoring device arranged at a first set position of a floating photovoltaic power station, obtains angle information through a dip angle monitoring device arranged at a second set position of the floating photovoltaic power station, obtains tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station, realizes the collection of monitoring data of multiple dimensions, and carries out safety monitoring on the floating photovoltaic power station based on the monitoring data of the multiple dimensions, thereby ensuring the accuracy of the safety monitoring.

Description

Floating type photovoltaic power station safety monitoring method and system

Technical Field

The application relates to the technical field of new energy, in particular to a floating type photovoltaic power station safety monitoring method and system.

Background

Under the more and more nervous condition in the soil that can be used to build photovoltaic power plant, showy formula photovoltaic power plant on water obtains the rapid development.

The water floating type photovoltaic power station floats the photovoltaic modules on the water surface by using the water abutment to generate electricity. The water floating type photovoltaic power station is characterized in that land resources are not occupied, the water body has a cooling effect on the photovoltaic modules, and the temperature rise of the surfaces of the modules can be inhibited, so that higher generating capacity is obtained. In addition, the solar cell panel is covered on the water surface, so that the evaporation capacity of the water surface can be reduced, the propagation of algae is inhibited, and water resources are protected.

However, how to monitor the floating photovoltaic power station to ensure the safety of the floating photovoltaic power station becomes a problem.

Disclosure of Invention

In order to solve the technical problem, an embodiment of the present application provides a floating type photovoltaic power station safety monitoring method and system to achieve the purpose of ensuring the accuracy of safety monitoring, and the technical scheme is as follows:

a floating type photovoltaic power station safety monitoring method comprises the following steps:

through the displacement monitoring devices who sets up at the first settlement position of floating formula photovoltaic power plant, obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement and rotation angle;

through setting up the inclination monitoring devices who floats formula photovoltaic power plant's second settlement position obtains angle information, angle information includes at least: a pitch angle;

tension data are obtained through a tension monitoring device arranged at a third set position of the floating photovoltaic power station;

and at least based on any one or more of the displacement data, the angle information and the tension data, carrying out safety monitoring on the floating type photovoltaic power station.

Optionally, the monitoring the safety of the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information, and the tension data includes:

judging whether the difference value between the absolute coordinate of the floating photovoltaic power station and a set theoretical coordinate exceeds a set coordinate threshold value, or whether the difference value between the relative displacement of the floating photovoltaic power station and the set theoretical relative displacement exceeds a set displacement threshold value, or whether the difference value between the corner of the floating photovoltaic power station and a set theoretical corner exceeds a set corner threshold value;

and if the set coordinate threshold value is exceeded, or the set displacement threshold value is exceeded, or the turning angle threshold value is exceeded, sending out first alarm prompt information and/or executing a first protection action.

Optionally, the monitoring of the safety of the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information, and the tension data includes:

judging whether the difference value between the pitch angle of the floating photovoltaic power station and the set theoretical pitch angle exceeds a set pitch angle threshold value or not;

if yes, sending out second alarm prompt information and/or executing a second protection action.

Optionally, the at least based on any one or more of the displacement data, the angle information, and the tension data, the floating photovoltaic power station is monitored safely, including:

judging whether the pulling force of a mooring cable of the floating photovoltaic power station exceeds the ultimate breaking force of the mooring cable;

if yes, sending out a third alarm prompt message and/or executing a third protection action.

Optionally, the method further includes:

acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed;

the at least arbitrary one or more in displacement data, angle information and the pulling force data based on, to floating formula photovoltaic power plant carries out safety monitoring, include:

and at least carrying out safety monitoring on the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data and the meteorological data.

Optionally, the at least arbitrary one or more in displacement data, angle information and the pulling force data based on, reach meteorological data, to floating formula photovoltaic power plant carries out safety monitoring, include:

based on the wind speed, the direction of the relative displacement of the floating photovoltaic power station and the angle difference value of the wind direction are controlled not to exceed the direction of the relative displacement and the wind direction angle deviation threshold value, and the floating photovoltaic power station is controlled to be in the pitch angle of the wind direction and the angle difference value of the wind direction not to exceed the pitch angle and the wind direction angle deviation threshold value.

Optionally, the method further includes:

if the angle difference value between the direction of the relative displacement of the floating photovoltaic power station and the wind direction reaches the product of the direction of the relative displacement and a wind direction angle deviation threshold value and a set proportion, and the angle difference value between the pitch angle of the wind direction and the wind direction of the floating photovoltaic power station reaches the product of the pitch angle and the wind direction angle deviation threshold value and the set proportion, acquiring displacement data and angle information of the floating photovoltaic power station based on an encryption monitoring mode;

at least based on the displacement data and the angle information acquired by the encryption monitoring mode, carrying out safety monitoring on the floating photovoltaic power station;

the set ratio is less than 1.

Optionally, the method further includes:

and correcting the deviation threshold value of the direction of the relative displacement and the wind direction angle and the deviation threshold value of the pitch angle and the wind direction angle based on a big data analysis and learning method.

Optionally, the floating photovoltaic power station is monitored for safety at least based on any one or more of the displacement data, the angle information and the tension data, and the meteorological data, and includes:

acquiring a relation parameter of displacement and wind speed and a relation parameter of tension and wind speed;

calculating a displacement control value based on the wind speed and the relation parameter of the displacement and the wind speed, and calculating a tension control value based on the wind speed and the relation parameter of the tension and the wind speed;

and controlling the relative displacement of the floating photovoltaic power station in the wind direction within a range not greater than the displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power station in the wind direction within a range not greater than the tension control value.

Optionally, the method further includes:

collecting displacement data and tension data of the floating photovoltaic power station based on an encryption monitoring mode under the condition that the relative displacement of the floating photovoltaic power station in the wind direction reaches the product of the displacement control value and a set proportion, or the tension value of a mooring cable of the floating photovoltaic power station in the wind direction reaches the product of the tension control value and the set proportion;

at least based on the displacement data and the tension data acquired by the encryption monitoring mode, carrying out safety monitoring on the floating photovoltaic power station;

the set ratio is less than 1.

Optionally, the method further includes:

and correcting the relation parameters of the displacement and the wind speed and the relation parameters of the tension and the wind speed based on a big data analysis and learning method.

determining the abnormal position of the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data and the meteorological data;

and performing power-off protection corresponding to the abnormal position.

Optionally, the method further includes:

acquiring hydrological data through a hydrological monitoring device;

at least based on any one or more of the displacement data, the angle information and the tension data, and the meteorological data, the floating photovoltaic power station is subjected to safety monitoring, and the method comprises the following steps:

and carrying out safety monitoring on the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data, the meteorological data and the hydrologic data.

A float formula photovoltaic power plant safety monitoring system includes:

the displacement monitoring device who sets up the first settlement position at floating formula photovoltaic power plant for obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement and rotation angle;

the inclination angle monitoring device is arranged at a second set position of the floating type photovoltaic power station and used for obtaining angle information, and the angle information at least comprises: a pitch angle;

the tension monitoring device is arranged at a third set position of the floating photovoltaic power station and used for acquiring tension data;

and the safety monitoring device is used for carrying out safety monitoring on the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information and the tension data.

Optionally, the system further includes:

the meteorological station is used for acquiring meteorological data, and the meteorological data at least comprises wind direction and wind speed;

the safety monitoring device is specifically used for:

Optionally, the system further includes:

the hydrological monitoring device is used for acquiring hydrological data;

the safety monitoring device is specifically used for:

Compared with the prior art, the beneficial effect of this application is:

in this application, through gathering the safety monitoring data who floats formula photovoltaic power plant, the safety monitoring data contains any one or more in displacement monitoring data, inclination monitoring data and the pulling force monitoring data at least, realizes gathering the monitoring data of a plurality of dimensions to based on the monitoring data of a plurality of dimensions, carry out safety monitoring to floating formula photovoltaic power plant, guarantee safety monitoring's accuracy.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the description below are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

Fig. 1 is a flowchart of an embodiment 1 of a floating photovoltaic power plant safety monitoring method provided in the present application;

FIG. 2 is a schematic diagram of the floating range and rotation of a floating platform and a photovoltaic array provided by the present application;

FIG. 3 is a schematic illustration of a landing position of an RTK as provided herein;

FIG. 4 is a communication schematic diagram of a floating photovoltaic power plant safety monitoring system provided by the present application;

fig. 5 is a flowchart of an embodiment 2 of a floating photovoltaic power plant safety monitoring method provided in the present application;

fig. 6 is a flowchart of an embodiment 3 of a floating photovoltaic power plant safety monitoring method provided in the present application;

fig. 7 is a schematic logical structure diagram of a floating photovoltaic power plant safety monitoring system provided in the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, 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 application.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, the present application is described in further detail with reference to the accompanying drawings and the detailed description.

Next, a method for monitoring the safety of a floating photovoltaic power station disclosed in an embodiment of the present application is introduced, and as shown in fig. 1, a flowchart of embodiment 1 of the method for monitoring the safety of a floating photovoltaic power station provided in the present application may include the following steps:

step S11, displacement data are obtained through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, and the displacement data comprise: at least one of absolute coordinates, relative displacement, and rotation angle.

In this embodiment, the floating photovoltaic power plant may include, but is not limited to: the photovoltaic array, the contravariant and the equipment that steps up, and be used for bearing the weight of the floating platform of contravariant and the equipment that steps up. The photovoltaic array may include a floating body and a photovoltaic panel. The body is used for bearing the photovoltaic board. The floating platform and the photovoltaic square matrix can be connected, as shown in fig. 2.

Through the displacement monitoring devices who sets up the first settlement position at floating formula photovoltaic power plant, obtain displacement data, can include: the displacement data are obtained through a displacement monitoring device arranged at a first set position of the photovoltaic array and/or the floating platform. The displacement monitoring device may be, but is not limited to: RTK (real time kinematic measurement station).

The first position of setting for of photovoltaic square matrix and the first position of setting for of floating platform can set up as required, and both can be different.

The first set position of the float may be, but is not limited to: diagonal to the floating platform. That is, two displacement monitoring devices are respectively disposed at opposite corners of the floating platform, as shown in fig. 3. The displacement monitoring device arranged at the first set position of the floating platform is used for collecting the absolute coordinates, the relative displacement and the rotation angle of the floating platform, and can be understood as follows:

acquiring the absolute coordinate of a displacement monitoring device arranged at a first set position of the floating platform, and taking the absolute coordinate of the displacement monitoring device as the absolute coordinate of the floating platform; and a process for the preparation of a coating,

calculating to obtain the relative displacement of the floating platform based on the absolute coordinates of the floating platform; and a process for the preparation of a coating,

and changing the included angle between the connecting line between the displacement monitoring devices and the reference direction to be used as the rotating angle of the floating platform. The reference direction may be a north-south direction or an east-west direction.

The first setting position of the photovoltaic array may be, but is not limited to: two corners of the photovoltaic square matrix, wherein the two corners of the photovoltaic square matrix may be two corners located on the same horizontal plane, as shown in fig. 3. Of course, the two corners of the photovoltaic array may also be two corners located on a diagonal.

The displacement monitoring device arranged at the first set position of the photovoltaic square matrix is utilized to collect the absolute coordinates, the relative displacement and the rotation angle of the photovoltaic square matrix, and can be understood as follows:

acquiring the absolute coordinates of a displacement monitoring device arranged at a set position of the photovoltaic square matrix, and taking the absolute coordinates of the displacement monitoring device as the absolute coordinates of the photovoltaic square matrix; and a (C) and (D) and,

calculating to obtain the relative displacement of the photovoltaic square matrix based on the absolute coordinates of the photovoltaic square matrix;

and changing an included angle between a connecting line between the displacement monitoring devices and the reference direction to serve as a corner of the photovoltaic square matrix. The reference direction may be a north-south direction or an east-west direction.

Step S12, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

Through setting up the inclination monitoring devices who is in floating formula photovoltaic power plant's second settlement position obtains angle information, can include: and angle information is obtained through the inclination angle monitoring device arranged at the second set position of the photovoltaic array and/or the floating platform.

The second of photovoltaic square matrix is set for the position and the second of floating platform and is set for the position and can set up as required, and both can be different.

And step S13, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

Through setting up the pulling force monitoring devices who is in the third settlement position of floating photovoltaic power plant, obtain pulling force data and can include: and tension data are obtained through a tension monitoring device arranged at a third set position of the photovoltaic array and/or the floating platform.

The third of photovoltaic square matrix is set for the position and the third of floating platform and is set for the position and can set up as required, and both can be different.

Specifically, the tension monitoring device may be disposed at a position where a mooring line of the floating platform or a mooring line of the photovoltaic array is located above the water surface.

The tension monitoring device may be, but is not limited to: a tension sensor. The precision of the tension monitoring device can reach +/-20N.

And S14, performing safety monitoring on the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information and the tension data.

In this embodiment, the displacement monitoring device, the inclination monitoring device and the tension monitoring device can transmit the acquired data to the switch arranged on the floating platform or the photovoltaic array through the data acquisition communication equipment, the switch transmits the received data to the data processor, and the data processor at least monitors the safety of the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data.

The switches can be, but are not limited to, in the form of optical fiber ring networks and communicate with the data processor. As shown in fig. 4. Adopt the optic fibre looped netowrk form between the switch, communicate with data processor, can guarantee to transmit data through the binary channels, after one side disconnection, can use the opposite side to keep communicating, and then guarantee the reliability of communication.

In this embodiment, at least based on any one or more of the displacement data, the angle information, and the tension data, the floating photovoltaic power station is monitored for safety, and the monitoring method may include:

s1401, judging whether a difference value between an absolute coordinate of the floating photovoltaic power station and a set theoretical coordinate exceeds a set coordinate threshold value, or whether a difference value between a relative displacement of the floating photovoltaic power station and a set theoretical relative displacement exceeds a set displacement threshold value, or whether a difference value between a rotation angle of the floating photovoltaic power station and a set theoretical rotation angle exceeds a set rotation angle threshold value;

if the coordinate exceeds the set coordinate threshold, or exceeds the set displacement threshold, or exceeds the rotation angle threshold, step S1402 is executed.

The coordinate threshold value, the displacement threshold value and the rotation angle threshold value can be set according to needs, and are not limited in the application.

It should be noted that the set coordinate threshold, the set displacement threshold, and the set rotation angle threshold, which are respectively set for the floating platform and the photovoltaic square matrix, may be different.

S1402, sending out first alarm prompt information and/or executing a first protection action.

In this embodiment, the first warning prompt information at least may prompt that the absolute coordinate of the floating photovoltaic power station deviates, or the relative displacement of the floating photovoltaic power station deviates, or the corner of the floating photovoltaic power station deviates.

The first protection action may be, but is not limited to: the method comprises the steps of performing power-off protection on a floating photovoltaic power station, and/or controlling the difference value between the absolute coordinate of the floating photovoltaic power station and the theoretical coordinate set for the floating photovoltaic power station not to exceed a set coordinate threshold value, or controlling the difference value between the relative displacement of the floating photovoltaic power station and the theoretical relative displacement set for the floating photovoltaic power station not to exceed a set displacement threshold value, or controlling the difference value between the corner of the floating photovoltaic power station and the theoretical corner set for the floating photovoltaic power station not to exceed a set corner threshold value.

In this embodiment, at least based on any one or more of the displacement data, the angle information, and the tension data, another implementation manner of performing safety monitoring on the floating photovoltaic power station may include:

and S1403, judging whether the difference value between the pitch angle of the floating photovoltaic power station and the set theoretical pitch angle exceeds a set pitch angle threshold value.

The set theoretical pitch angle and the set pitch angle threshold may be set as desired, without limitation in this application.

Theoretical pitch angles can be specifically set for photovoltaic square matrix and floating platform respectively, and specifically can set up as required, do not do the restriction in this application.

If yes, go to step S2404.

And S1404, sending out second alarm prompt information and/or executing second protection actions.

The second alarm prompt information can at least prompt that the pitch angle of the floating photovoltaic power station is deviated.

The second protective action may include, but is not limited to: and performing power-off protection on the floating photovoltaic power station, and/or controlling the difference value between the pitch angle of the floating photovoltaic power station and the set theoretical pitch angle not to exceed a set pitch angle threshold value.

s1405, judging whether the pulling force of a mooring cable of the floating photovoltaic power station exceeds the limit breaking force of the mooring cable;

if yes, go to step S1406.

And S1406, sending a third alarm prompt message and/or executing a third protection action.

The third alarm prompt information at least can prompt that the pulling force of the mooring cable of the floating type photovoltaic power station exceeds the limit breaking force of the mooring cable.

The third protective action may include, but is not limited to: the power-off protection method comprises the steps of performing power-off protection on the floating photovoltaic power station, and/or controlling the tension of a mooring cable of the floating photovoltaic power station not to exceed the limit breaking force of the mooring cable.

In this application, through setting up the displacement monitoring devices who sets for the position at the first of floating formula photovoltaic power plant, obtain displacement data, and through setting up the inclination monitoring devices who sets for the position of floating formula photovoltaic power plant's second obtains angle information, and is in through setting up the pulling force monitoring devices who sets for the position of floating formula photovoltaic power plant's third obtains pulling force data, realizes gathering the monitoring data of a plurality of dimensions to based on the monitoring data of a plurality of dimensions, carry out safety monitoring to floating formula photovoltaic power plant, guarantee safety monitoring's accuracy.

As another optional embodiment 2 of the present application, this embodiment is mainly an extension of the floating photovoltaic power plant safety monitoring method described in embodiment 1 above, and as shown in fig. 5, the method may include, but is not limited to, the following steps:

step S21, displacement data are obtained through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, and the displacement data comprise: at least one of absolute coordinates, relative displacement, and rotation angle.

Step S22, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

And step S23, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

The detailed procedures of steps S21-S23 can be found in the related descriptions of steps S11-S13 in embodiment 1, and are not repeated herein.

And step S24, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

And S25, performing safety monitoring on the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information and the tension data and the meteorological data.

Step S25 is a specific implementation manner of step S14 in example 1.

In this embodiment, combine displacement data, angle information and arbitrary one or more in the pulling force data, and meteorological data is right float formula photovoltaic power plant carries out safety monitoring, can improve and carry out safety monitoring's rationality and accuracy to float formula photovoltaic power plant.

As another optional embodiment 3 of the present application, this embodiment is mainly a refinement of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and the method may include, but is not limited to, the following steps:

s31, obtaining displacement data through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, wherein the displacement data comprises: at least one of absolute coordinates, relative displacement, and rotation angle.

S32, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

S33, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

And S34, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

The detailed procedures of steps S31-S34 can be referred to the related descriptions of steps S21-S24 in embodiment 2, and are not described herein again.

And S35, based on the wind speed, controlling the angle difference between the direction of the relative displacement of the floating photovoltaic power station and the wind direction not to exceed the direction of the relative displacement and the wind direction angle deviation threshold value, and controlling the floating photovoltaic power station to be in the state that the pitch angle of the wind direction and the angle difference of the wind direction are not to exceed the pitch angle and the wind direction angle deviation threshold value.

In this embodiment, based on the wind speed, the controlling the direction of the relative displacement of the floating platform and/or the photovoltaic array and the angular difference value of the wind direction not to exceed the direction of the relative displacement and the wind direction angular deviation threshold value, and controlling the process of the floating platform and/or the photovoltaic array that the angular difference value of the pitch angle of the wind direction and the wind direction does not exceed the pitch angle and the wind direction angular deviation threshold value may include:

s3511, whether the wind speed is not greater than a first set wind speed threshold value is judged.

If yes, go to step S3512; if not, go to step S3513.

The first set wind speed threshold may be set as needed, and is not limited in this application.

S3512, safety monitoring is conducted on the floating photovoltaic power station based on the displacement monitoring data and the inclination angle monitoring data.

Under the condition that the wind speed is not greater than the first set wind speed threshold value, the influence of meteorological data on the operation of the floating photovoltaic power station can be not considered, and therefore safety monitoring can be conducted on the floating photovoltaic power station only on the basis of the displacement monitoring data and the inclination angle monitoring data.

Based on the displacement monitoring data and the inclination angle monitoring data, the detailed process of performing safety monitoring on the floating photovoltaic power station can refer to the detailed description of performing safety monitoring on the floating photovoltaic power station based on the displacement monitoring data, performing safety monitoring on the floating photovoltaic power station based on the inclination angle monitoring data, and performing related description on the floating photovoltaic power station based on the displacement monitoring data, which is not repeated herein.

S3513, judging whether the wind speed is not greater than a second set wind speed threshold value.

If yes, go to step S3514; if not, go to step S3516.

The second set wind speed threshold may be set as needed, and is not limited in this application.

S3514, whether the angle difference value between the direction of the relative displacement of the floating platform and/or the photovoltaic square matrix and the wind direction is not larger than a first angle deviation threshold value or not is judged, and whether the angle difference value between the pitch angle of the wind direction and the wind direction of the floating platform and/or the photovoltaic square matrix is not larger than a second angle deviation threshold value or not is judged.

If not, the difference between the direction of the relative displacement of the floating platform and/or the photovoltaic square matrix and the wind direction is in an unsafe angle range, and the difference between the pitch angle of the wind direction of the floating platform and/or the photovoltaic square matrix and the wind direction is in the unsafe angle range, and step S3515 is executed.

If so, the state is a safe state, and no processing is required.

The first angle deviation threshold and the second angle deviation threshold may be set as needed, and are not limited in this application.

The direction of the relative displacement of the floating platform or the photovoltaic square can be determined according to a connecting line between the coordinates for determining the relative displacement of the floating platform or the photovoltaic square.

S3515, fourth alarm prompt information is sent, and/or the floating platform and/or the photovoltaic square matrix are controlled to be not larger than the first angle deviation threshold value in the direction of the relative displacement of the floating platform and/or the photovoltaic square matrix and the angle difference value of the wind direction, and the pitch angle of the wind direction and the angle difference value of the wind direction of the floating platform and/or the photovoltaic square matrix are not larger than the second angle deviation threshold value.

The fourth alarm prompt information at least can prompt that the angle difference value between the direction of the relative displacement of the floating platform and/or the photovoltaic array and the wind direction is within an unsafe angle range, and the angle difference value between the pitch angle of the wind direction and the wind direction of the floating platform and/or the photovoltaic array is within the unsafe angle range.

S3516, judging whether the angle difference value between the direction of the relative displacement of the floating platform and/or the photovoltaic square matrix and the wind direction is not larger than a third angle deviation threshold value or not, and judging whether the angle difference value between the pitch angle of the floating platform and/or the photovoltaic square matrix in the wind direction and the wind direction is not larger than a fourth angle deviation threshold value or not;

if not, go to step S3517. If so, the state is a safe state, and no processing is required.

In this embodiment, the first angle deviation threshold and the third angle deviation threshold are respectively one of a direction of relative displacement and a wind direction angle deviation threshold, and the second angle deviation threshold and the fourth angle deviation threshold are respectively one of a pitch angle and a wind direction angle deviation threshold.

S3517, sending a fifth alarm prompt message, and/or controlling the floating platform and/or the photovoltaic square matrix to enable the angle difference value between the direction of the relative displacement of the floating platform and the wind direction to be not larger than a third angle deviation threshold value, and enabling the floating platform and/or the photovoltaic square matrix to be in the range that the pitch angle of the wind direction and the angle difference value of the wind direction are not larger than a fourth angle deviation threshold value.

In this embodiment, displacement monitoring data, inclination monitoring data, wind speed and wind direction are combined to carry out coupling analysis, and the rationality and the accuracy of carrying out safety monitoring to floating photovoltaic power plant are improved.

As another optional embodiment 4 of the present application, this embodiment is mainly a refinement of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and the method may include, but is not limited to, the following steps:

s41, through the displacement monitoring device who sets up in the first settlement position of floating formula photovoltaic power plant, obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement, and rotation angle.

S42, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

S43, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

S44, collecting meteorological data through a meteorological station, wherein the meteorological data at least comprise wind direction and wind speed.

The detailed procedures of steps S41-S44 can be referred to the related descriptions of steps S21-S24 in embodiment 2, and are not described herein again.

And S45, controlling the angle difference value between the direction of the relative displacement of the floating platform and/or the photovoltaic square matrix and the wind direction not to exceed the angle difference value between the direction of the relative displacement and the wind direction angle deviation threshold value based on the wind speed, and controlling the pitch angle of the wind direction of the floating platform and/or the photovoltaic square matrix and the angle difference value of the wind direction not to exceed the pitch angle and the wind direction angle deviation threshold value.

The detailed procedures of steps S41-S452 can be found in the related descriptions of steps S31-S35 in embodiment 3, and are not described herein again.

S46, if the angle difference between the direction of the relative displacement of the floating photovoltaic power station and the wind direction reaches the product of the direction of the relative displacement and the wind direction angle deviation threshold value and a set proportion, and/or the angle difference between the pitch angle of the wind direction and the wind direction of the floating photovoltaic power station reaches the product of the pitch angle and the wind direction angle deviation threshold value and the set proportion, acquiring displacement monitoring data and inclination angle monitoring data of the floating photovoltaic power station based on an encryption monitoring mode;

the set ratio is less than 1.

Based on the encryption monitoring mode, the displacement monitoring data and the inclination angle monitoring data of the floating photovoltaic power station are collected, which can include but are not limited to:

and shortening the time interval of data acquisition, and acquiring displacement monitoring data and inclination angle monitoring data of the floating photovoltaic power station according to the shortened time interval.

The process of collecting the displacement monitoring data and the inclination angle monitoring data may refer to the process of collecting the displacement monitoring data and the inclination angle monitoring data of the floating platform and/or the photovoltaic square matrix described in the foregoing embodiments, and details are not repeated herein.

Of course, based on the encryption monitoring mode, the displacement monitoring data and the inclination angle monitoring data of the floating photovoltaic power station are collected, and the method may also include but is not limited to:

the number of the photovoltaic square matrixes to be monitored is increased, and displacement monitoring data and inclination angle monitoring data of each photovoltaic square matrix to be monitored are collected.

S47, at least based on the displacement data and the angle information collected by the encryption monitoring mode, carrying out safety monitoring on the floating photovoltaic power station.

The time interval of correspondingly shortening data acquisition collects the displacement monitoring data and the inclination angle monitoring data of the floating photovoltaic power station according to the shortened time interval, and the floating photovoltaic power station is subjected to safety monitoring at least based on the displacement data and the angle information collected by the encryption monitoring mode, and can comprise the following steps:

and at least carrying out safety monitoring on the floating photovoltaic power station based on the collected displacement data and angle information according to the shortened time interval.

The process of performing safety monitoring on the floating photovoltaic power station at least based on the displacement data and the angle information acquired according to the shortened time interval can be referred to the process of performing safety monitoring on the floating photovoltaic power station described in each of the foregoing embodiments, and is not described herein again.

Steps S45-S47 are a specific implementation of step S25 in example 2.

In this embodiment, the deviation threshold of the direction of the relative displacement and the wind direction angle and the deviation threshold of the pitch angle and the wind direction angle may be corrected based on a big data analysis and learning method, so that the real situation of the floating photovoltaic power station can be effectively returned in the subsequent safety monitoring process, and the operation and maintenance personnel can be guided to take measures.

In this embodiment, through based on encrypting the monitoring mode, gather the safety monitoring data of floating formula photovoltaic power plant, and at least based on through the safety monitoring data that encryption monitoring mode gathered, it is right float formula photovoltaic power plant carries out safety monitoring, can further improve safety monitoring's accuracy.

As another optional embodiment 5 of the present application, this embodiment is mainly a refinement of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and the method may include, but is not limited to, the following steps:

s51, through the displacement monitoring device who sets up in the first settlement position of floating formula photovoltaic power plant, obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement, and rotation angle.

S52, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

S53, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

And S54, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

The detailed procedures of steps S51-S54 can be referred to the related descriptions of steps S21-S24 in embodiment 2, and are not described herein again.

And S55, acquiring the relation parameters of displacement and wind speed and the relation parameters of pulling force and wind speed.

And S56, calculating a displacement control value based on the wind speed and the relation parameter of the displacement and the wind speed, and calculating a tension control value based on the wind speed and the relation parameter of the tension and the wind speed.

Calculating a displacement control value based on the wind speed and the displacement versus wind speed parameter, which may include but is not limited to:

the displacement control value is calculated by using a first relational expression S ═ γ V, S represents the displacement control value, γ represents a relational parameter between displacement and wind speed, and V represents wind speed.

Based on the wind speed and the pull force versus wind speed relationship, the pull force control value may include, but is not limited to:

and calculating a tension control value by using a second relational expression F ═ lambda V, wherein F represents the tension control value, lambda represents a relational parameter between tension and wind speed, and V represents the wind speed.

Based on different wind speeds, the calculated displacement control values are different, and the tension control values are different. If the wind speed is greater than the third set wind speed threshold and not greater than the fourth set wind speed threshold, the wind speed is represented as V1, and accordingly, a first displacement control value and a first tension control value are calculated; in case the wind speed is greater than a fourth set wind speed threshold value, which is greater than the third set wind speed threshold value, the wind speed is denoted as V2 and accordingly a second displacement control value and a second tension control value are calculated.

S57, controlling the relative displacement of the floating photovoltaic power station in the wind direction to be within a range not larger than the displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power station in the wind direction to be within a range not larger than the tension control value.

Corresponding to the wind speed V1, controlling the relative displacement of the floating photovoltaic power plant in the wind direction to be within a range not greater than the displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power plant in the wind direction to be within a range not greater than the tension control value may include:

judging whether the relative displacement of the floating photovoltaic power station in the wind direction exceeds the first displacement control value or not and whether the pull force value of a mooring rope of the floating photovoltaic power station in the wind direction exceeds the first pull force control value or not;

if so, sending sixth alarm prompt information, and/or controlling the relative displacement of the floating photovoltaic power station in the wind direction within a range not greater than the first displacement control value, and controlling the tension value of a mooring cable of the floating photovoltaic power station in the wind direction within a range not greater than the first tension control value.

Corresponding to the wind speed V2, controlling the relative displacement of the floating photovoltaic power plant in the wind direction to be within a range not greater than the displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power plant in the wind direction to be within a range not greater than the tension control value may include:

judging whether the relative displacement of the floating photovoltaic power station in the wind direction exceeds the second displacement control value or not and whether the pull force value of a mooring rope of the floating photovoltaic power station in the wind direction exceeds the second pull force control value or not;

if so, sending a seventh alarm prompt message, and/or controlling the relative displacement of the floating photovoltaic power station in the wind direction within a range not greater than the second displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power station in the wind direction within a range not greater than the second tension control value.

Steps S55-S57 are a specific implementation of step S25 in example 2.

In this embodiment, combine displacement monitoring data, pulling force monitoring data, wind speed and wind direction to carry out coupling analysis, improve and carry out safety monitoring's rationality and accuracy to floating formula photovoltaic power plant.

As another optional embodiment 6 of the present application, this embodiment is mainly a refinement of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and the method may include, but is not limited to, the following steps:

s61, obtaining displacement data through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, wherein the displacement data comprises: at least one of absolute coordinates, relative displacement, and rotation angle.

S62, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

S63, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

And S64, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

And S65, obtaining the relation parameters of the displacement and the wind speed and the relation parameters of the pulling force and the wind speed.

And S66, calculating a displacement control value based on the wind speed and the relation parameter between the displacement and the wind speed, and calculating a tension control value based on the wind speed and the relation parameter between the tension and the wind speed.

S67, controlling the relative displacement of the floating photovoltaic power station in the wind direction within a range not larger than the displacement control value, and controlling the tension value of the mooring cable of the floating photovoltaic power station in the wind direction within a range not larger than the tension control value.

The detailed procedures of steps S61-S67 can be found in the related descriptions of steps S51-S57 in embodiment 5, and are not repeated herein.

S68, collecting displacement data and tension data of the floating photovoltaic power station based on an encryption monitoring mode under the condition that the relative displacement of the floating photovoltaic power station in the wind direction reaches the product of the displacement control value and a set proportion, or the tension value of a mooring rope of the floating photovoltaic power station in the wind direction reaches the product of the tension control value and the set proportion.

The set ratio is less than 1.

Based on the encryption monitoring mode, the displacement data and the tension data of the floating photovoltaic power station are collected, and the displacement data and the tension data can include but are not limited to:

and shortening the time interval of data acquisition, and acquiring displacement data and tension data of the floating photovoltaic power station according to the shortened time interval.

The process of collecting displacement data and tension data can refer to the process of collecting displacement data and tension data of the floating photovoltaic power station described in the foregoing embodiments, and details are not repeated here.

Of course, based on the encryption monitoring mode, the displacement data and the tension data of the floating photovoltaic power station are collected, and the method also can include but is not limited to:

the number of the photovoltaic square matrixes to be monitored is increased, and displacement data and tension data of each photovoltaic square matrix to be monitored are collected.

S69, and at least based on the displacement data and the tension data collected by the encryption monitoring mode, carrying out safety monitoring on the floating photovoltaic power station.

The corresponding time interval that shortens data acquisition, according to the time interval after shortening, gather the implementation mode of floating formula photovoltaic power plant's displacement data and pulling force data, at least based on through displacement data and pulling force data that the monitoring mode was gathered are encrypted, to floating formula photovoltaic power plant carries out safety monitoring, can include:

and at least carrying out safety monitoring on the floating photovoltaic power station based on the displacement data and the tension data acquired according to the shortened time interval.

The process of performing safety monitoring on the floating photovoltaic power station at least based on the displacement data and the tension data collected according to the shortened time interval can be referred to the process of performing safety monitoring on the floating photovoltaic power station described in each of the foregoing embodiments, and details are not repeated here.

In this embodiment, the relationship parameter between the displacement and the wind speed and the relationship parameter between the tension and the wind speed may be corrected based on a big data analysis and learning method, so that the real situation of the floating photovoltaic power station can be effectively returned in the subsequent safety monitoring process, and the operation and maintenance personnel can be guided to take measures.

Steps S65-S69 are a specific implementation of step S25 in example 2.

As another optional embodiment 7 of the present application, this embodiment is mainly a refinement of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and the method may include, but is not limited to, the following steps:

s71, obtaining displacement data through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, wherein the displacement data comprises: at least one of absolute coordinates, relative displacement, and rotation angle.

S72, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

S73, acquiring tension data through a tension monitoring device arranged at a third set position of the floating photovoltaic power station.

And S74, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

The detailed procedures of steps S71-S74 can be referred to the related descriptions of steps S21-S25 in embodiment 2, and are not described herein again.

S75, determining the abnormal position of the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data and the meteorological data.

Determining the abnormal position of the floating photovoltaic power station can be understood as follows: and determining the abnormal position of the floating photovoltaic power station.

And S76, performing power-off protection corresponding to the abnormal position.

If the abnormal position is a component, performing component-level power-off protection; if the abnormal position is a group string, performing group string level power-off protection; if the abnormal position is the inverter, performing inverter-level power-off protection; and if the abnormal position is the photovoltaic square matrix, performing square matrix level power-off protection.

Through confirming the abnormal position of floating platform or photovoltaic square matrix, realize the accurate control of subregion to the subregion carries out power protection, avoids arousing losses such as fire, protects the safety of floating formula photovoltaic power plant.

After the floating photovoltaic power station is controlled to safely operate, the power can be restored step by step and in regions, and the photovoltaic power generation amount is ensured.

In this embodiment, a troubleshooting data maintenance interface of the operation and maintenance personnel may be further provided, and the operation and maintenance personnel continuously revises the internal model of the security monitoring through the troubleshooting data maintenance interface, so as to improve the rationality and accuracy of the security monitoring (such as the walking distance of the anchor, the length adjustment of the cable, and the like).

As another optional embodiment 8 of the present application, this embodiment is mainly an extension of the floating photovoltaic power plant safety monitoring method described in the above embodiment 2, and as shown in fig. 6, the method may include, but is not limited to, the following steps:

step S81, displacement data are obtained through a displacement monitoring device arranged at a first set position of the floating type photovoltaic power station, and the displacement data comprise: at least one of absolute coordinates, relative displacement, and rotation angle.

Step S82, obtaining angle information through an inclination angle monitoring device arranged at a second set position of the floating type photovoltaic power station, wherein the angle information at least comprises: and (6) a pitch angle.

And step S83, tension data are obtained through a tension monitoring device arranged at a third set position of the floating type photovoltaic power station.

And step S84, acquiring meteorological data through a meteorological station, wherein the meteorological data at least comprises wind direction and wind speed.

And step S85, acquiring hydrological data through a hydrological monitoring device.

Hydrologic data may include, but is not limited to: any one or more of water depth monitoring data, wave flow monitoring data, oxygen content in water and ammonia nitrogen value in water. The water depth sensor can be used for collecting water depth monitoring data, and the wave flow monitoring device is used for collecting wave flow monitoring data.

And S86, carrying out safety monitoring on the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data, the meteorological data and the hydrological data.

Based on any one or more of the displacement data, the angle information and the tension data, the meteorological data and the hydrologic data, the floating photovoltaic power station is monitored for safety, which may include but is not limited to:

s8601, carrying out safety monitoring on the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data and the meteorological data;

step S8601 can be referred to related descriptions of the foregoing embodiments, and will not be described herein again.

S8602, judging whether the floating photovoltaic power station is stranded or whether the water depth is too deep according to the water depth monitoring data.

S8603, based on wave current monitoring data, obtaining acting force of wave current on the floating platform or the photovoltaic power station, and based on the acting force, carrying out safety monitoring on the floating platform or the photovoltaic power station.

S8604, judging whether the water area where the floating type photovoltaic power station is located is suitable for fish culture conditions and whether the corrosion environment changes or not based on the oxygen content in water or the ammonia nitrogen value in water.

Step S86 is a specific implementation manner of step S25 in example 2.

Based on any one or more of the displacement data, the angle information and the tension data, the meteorological data and the hydrologic data, the floating photovoltaic power station is subjected to safety monitoring, and the accuracy of safety monitoring can be further improved.

The floating type photovoltaic power station safety monitoring system provided by the application is introduced next, and the floating type photovoltaic power station safety monitoring system introduced below and the floating type photovoltaic power station safety monitoring method introduced above can be referred to correspondingly.

Referring to fig. 7, the floating photovoltaic power plant safety monitoring system includes: displacement monitoring device 100, inclination monitoring device 200, tension monitoring device 300 and safety monitoring device 400.

Displacement monitoring devices 100 sets up in the first set position of floating formula photovoltaic power plant for obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement and rotation angle;

the inclination monitoring device 200 is arranged at a second set position of the floating photovoltaic power station, and is used for obtaining angle information, wherein the angle information at least comprises: a pitch angle;

the tension monitoring device 300 is arranged at a third set position of the floating photovoltaic power station and used for obtaining tension data;

and the safety monitoring device 400 is used for carrying out safety monitoring on the floating photovoltaic power station at least based on any one or more of the displacement data, the angle information and the tension data.

The at least based on any one or more of the displacement data, the angle information and the tension data, the safety monitoring of the floating photovoltaic power station comprises:

In this embodiment, the safety monitoring device 400 may be specifically configured to:

if yes, sending out a second alarm prompt message and/or executing a second protection action.

In this embodiment, float formula photovoltaic power plant safety monitoring system can also include:

accordingly, the safety monitoring device 400 may be specifically configured to:

The safety monitoring apparatus 400 may be specifically configured to:

The security monitoring apparatus 400 may further be configured to:

the set ratio is less than 1.

The security monitoring apparatus 400 may further be configured to:

acquiring displacement data and tension data of the floating photovoltaic power station based on an encryption monitoring mode under the condition that the relative displacement of the floating photovoltaic power station in the wind direction reaches the product of the displacement control value and a set proportion, or the tension value of a mooring rope of the floating photovoltaic power station in the wind direction reaches the product of the tension control value and the set proportion;

and at least carrying out safety monitoring on the floating photovoltaic power station based on the displacement data and the tension data acquired by the encryption monitoring mode.

The set ratio is less than 1.

The security monitoring apparatus 400 may further be configured to:

The security monitoring apparatus 400 may be specifically configured to:

and performing power-off protection corresponding to the abnormal position.

the hydrologic monitoring device is used for acquiring hydrologic data.

It should be noted that the focus of each embodiment is different from that of other embodiments, and the same and similar parts between the embodiments may be referred to each other. For the device-like embodiment, since it is basically similar to the method embodiment, the description is simple, and for the relevant points, reference may be made to the partial description of the method embodiment.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in the process, method, article, or apparatus that comprises the element.

For convenience of description, the above devices are described as being divided into various units by function, and are described separately. Of course, the functionality of the units may be implemented in one or more software and/or hardware when implementing the present application.

From the above description of the embodiments, it is clear to those skilled in the art that the present application can be implemented by software plus necessary general hardware platform. Based on such understanding, the technical solutions of the present application may be essentially or partially implemented in the form of a software product, which may be stored in a storage medium, such as a ROM/RAM, a magnetic disk, an optical disk, etc., and includes several instructions for enabling a computer device (which may be a personal computer, a server, or a network device, etc.) to execute the method according to the embodiments or some parts of the embodiments of the present application.

The floating photovoltaic power station safety monitoring method and system provided by the application are introduced in detail, specific examples are applied in the method to explain the principle and the implementation mode of the application, and the description of the embodiments is only used for helping to understand the method and the core idea of the application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims

1. A floating type photovoltaic power station safety monitoring method is characterized in that the floating type photovoltaic power station comprises the following steps: photovoltaic square and floating platform, the method comprising:

through setting up the displacement monitoring devices who floats the first settlement position of floating platform and photovoltaic square matrix in formula photovoltaic power plant respectively, obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement and rotation angle; the corner comprises a corner of the floating platform and a corner of the photovoltaic square matrix; the first set position of the floating platform comprises opposite angles of the floating platform, and the first set position of the photovoltaic square matrix comprises any two angles of the photovoltaic square matrix; the relative displacement comprises the relative displacement of a floating platform and/or the relative displacement of a photovoltaic square matrix; the relative displacement of the floating platform is calculated based on the change of the absolute coordinates of the floating platform within a period of time; the relative displacement of the photovoltaic square matrix is calculated based on the change of the absolute coordinates of the photovoltaic square matrix within a period of time;

through setting up respectively the inclination monitoring devices who sets for the position of the second of floating platform and photovoltaic square matrix in the showy formula photovoltaic power plant obtains angle information, angle information includes at least: a pitch angle;

tension data are obtained through tension monitoring devices respectively arranged at third set positions of a floating platform and a photovoltaic square matrix in the floating photovoltaic power station;

and at least carrying out safety monitoring on the floating photovoltaic power station based on any one or more of the displacement data, the angle information and the tension data.

2. The floating photovoltaic power plant safety monitoring method of claim 1, wherein the monitoring the safety of the floating photovoltaic power plant based on at least any one or more of the displacement data, the angle information and the tension data comprises:

and if the coordinate exceeds the set coordinate threshold, or exceeds the set displacement threshold, or exceeds the corner threshold, sending out first alarm prompt information and/or executing a first protection action.

3. The floating photovoltaic power plant safety monitoring method according to claim 1, wherein the safety monitoring of the floating photovoltaic power plant based on at least any one or more of the displacement data, the angle information and the tension data comprises:

4. The method for monitoring the safety of the floating photovoltaic power station as claimed in claim 1, wherein the monitoring the safety of the floating photovoltaic power station based on at least any one or more of the displacement data, the angle information and the tension data comprises:

5. A floating photovoltaic power plant safety monitoring method according to any of claims 1-4, characterized in that the method further comprises:

6. The floating photovoltaic power plant safety monitoring method of claim 5, wherein the monitoring the floating photovoltaic power plant based on at least any one or more of the displacement data, the angle information, and the tension data, and the meteorological data comprises:

7. The floating photovoltaic power plant safety monitoring method of claim 6, further comprising:

the set ratio is less than 1.

8. A floating photovoltaic power plant safety monitoring method according to claim 6 or 7, characterized in that the method further comprises:

9. The floating photovoltaic power plant safety monitoring method of claim 5, wherein the monitoring the floating photovoltaic power plant based on at least any one or more of the displacement data, the angle information, and the tension data, and the meteorological data comprises:

10. The floating photovoltaic power plant safety monitoring method of claim 9, further comprising:

the floating photovoltaic power station is safely monitored at least on the basis of displacement data and tension data acquired in the encryption monitoring mode;

the set ratio is less than 1.

11. The floating photovoltaic power plant safety monitoring method according to claim 9 or 10, further comprising:

12. The floating photovoltaic power plant safety monitoring method of claim 5, wherein the monitoring the floating photovoltaic power plant based on at least any one or more of the displacement data, the angle information, and the tension data, and the meteorological data comprises:

and performing power-off protection corresponding to the abnormal position.

13. The floating photovoltaic power plant safety monitoring method of claim 5, further comprising:

acquiring hydrological data through a hydrological monitoring device;

14. The utility model provides a float formula photovoltaic power plant safety monitoring system which characterized in that, it includes to float formula photovoltaic power plant: photovoltaic square matrix and floating platform, the system includes:

set up the displacement monitoring devices who floats the first settlement position of floating platform and photovoltaic square matrix among the formula photovoltaic power plant respectively for obtain displacement data, displacement data includes: at least one of absolute coordinates, relative displacement and rotation angle; the corner comprises a corner of the floating platform and a corner of the photovoltaic square matrix; the first set position of the floating platform comprises opposite angles of the floating platform, and the first set position of the photovoltaic square matrix comprises any two angles of the photovoltaic square matrix; the relative displacement comprises the relative displacement of a floating platform and/or the relative displacement of a photovoltaic square matrix; the relative displacement of the floating platform is calculated based on the change of the absolute coordinates of the floating platform within a period of time; the relative displacement of the photovoltaic square matrix is calculated based on the change of the absolute coordinates of the photovoltaic square matrix within a period of time;

set up respectively float in the formula photovoltaic power plant the inclination monitoring devices of the second settlement position of floating platform and photovoltaic square matrix for obtain angle information, angle information includes at least: a pitch angle;

the tension monitoring devices are respectively arranged at third set positions of a floating platform and a photovoltaic square matrix in the floating photovoltaic power station and are used for acquiring tension data;

15. The floating photovoltaic power plant safety monitoring system of claim 14, further comprising:

the safety monitoring device is specifically used for:

16. The floating photovoltaic power plant safety monitoring system of claim 15, further comprising:

the hydrological monitoring device is used for acquiring hydrological data;

the safety monitoring device is specifically used for: