CN117978087A

CN117978087A - Online real-time safety monitoring method for photovoltaic power station

Info

Publication number: CN117978087A
Application number: CN202410126989.4A
Authority: CN
Inventors: 尹臣; 徐颖捷
Original assignee: Chongqing Qianxin New Energy Co ltd
Current assignee: Chongqing Qianxin New Energy Co ltd
Priority date: 2024-01-30
Filing date: 2024-01-30
Publication date: 2024-05-03

Abstract

The invention provides an online real-time safety monitoring method for a photovoltaic power station, which comprises the following steps of: s1, accessing a photovoltaic power grid platform through an access code generated on a mobile intelligent handheld terminal; s2, checking the crossing position on the photovoltaic power grid platform. The invention can monitor the in-out position of the photovoltaic power station, and is convenient for patrol personnel to quickly arrive at the crossing point for checking.

Description

Online real-time safety monitoring method for photovoltaic power station

Technical Field

The invention relates to the technical field of photovoltaic power stations, in particular to an online real-time safety monitoring method for a photovoltaic power station.

Background

The photovoltaic power station is a power generation system which is formed by utilizing solar energy and adopting special materials such as a crystalline silicon plate, an inverter and other electronic elements, is connected with a power grid and transmits power to the power grid. Photovoltaic power plants belong to the green electric power development energy project with the greatest national encouragement. The patent application number 2023114719885, named as a safety system for realizing a dust-free solar photovoltaic panel for a photovoltaic power station, discloses a photovoltaic power station and M movable photovoltaic power station monitoring piles, wherein M is a positive integer greater than or equal to 3, and is respectively a 1 st movable photovoltaic power station monitoring pile, a 2 nd movable photovoltaic power station monitoring pile, a3 rd movable photovoltaic power station monitoring pile, … … and an M movable photovoltaic power station monitoring pile, the M movable photovoltaic power station monitoring piles are regarded as M vertexes to form an M-edge, and the photovoltaic power station is in the M-edge; and the M movable photovoltaic power station monitoring piles are moved to the set positions, so that the solar photovoltaic panels in the photovoltaic power station are safely monitored. This patent application can only safely monitor access and cannot monitor specific access locations.

Disclosure of Invention

The invention aims at least solving the technical problems in the prior art, and particularly creatively provides an online real-time safety monitoring method for a photovoltaic power station.

In order to achieve the above object of the present invention, the present invention provides an online real-time safety monitoring method for a photovoltaic power station, comprising the steps of:

S1, accessing a photovoltaic power grid platform through an access code generated on a mobile intelligent handheld terminal;

s2, checking the crossing position on the photovoltaic power grid platform.

In a preferred embodiment of the present invention, in step S2, the generation method of the crossing position includes the following steps:

S21, the photovoltaic power grid platform sends request information to M photovoltaic monitoring piles; the request information is a query whether the light is received or not;

s22, after M photovoltaic monitoring piles receive request information sent by a photovoltaic power grid platform, the M photovoltaic monitoring piles send the moment when no light is received to the photovoltaic power grid platform;

s23, after receiving the moment that the light is not received and sent by the M photovoltaic monitoring piles, the photovoltaic power grid platform generates a crossing point position between the M 'th photovoltaic monitoring pile and the M' +1 th photovoltaic monitoring pile, M '"is a positive integer less than M, and when M'" =m, the m+1st photovoltaic monitoring stake is the 1st photovoltaic monitoring stake.

In a preferred embodiment of the present invention, step S20 is further included before step S21, where the photovoltaic grid platform sends a light emission work request to the M photovoltaic monitoring piles, and after the M photovoltaic monitoring piles receive the light emission work request sent by the photovoltaic grid platform, the light emitters on the M photovoltaic monitoring piles emit light.

In a preferred embodiment of the present invention, when m=4, k ₁＝2,K₂＝2,K₃＝2,K₄ =2:

The photovoltaic power grid platform sends a light ray emission work request to 4 photovoltaic monitoring piles, wherein the 4 photovoltaic monitoring piles are respectively a1 st photovoltaic monitoring pile, a2 nd photovoltaic monitoring pile, a3 rd photovoltaic monitoring pile and a4 th photovoltaic monitoring pile;

After a 1 st controller in the 1 st photovoltaic monitoring pile receives a light emitting work request sent by a photovoltaic power grid platform through a 1 st wireless data communication unit, a control end of the 1 st controller sends control signals to a 1 st light emitter 1 and a4 th light emitter 2; after the 1 st light emitter 1 receives the control signal sent by the 1 st controller, the 1 st light emitter 1 continuously emits a light, and the 1 st light emitter 1 emits a light which can only be received by the 1 st light receiver 1 in the 2 nd photovoltaic monitoring pile; after the 4 th light emitter 2 receives the control signal sent by the 1 st controller, the 4 th light emitter 2 continuously emits a light, and the 4 th light emitter 2 emits a light which can only be received by the 4 th light receiver 2 in the 4 th photovoltaic monitoring pile;

After a2 nd controller in the 2 nd photovoltaic monitoring pile receives a light emitting work request sent by the photovoltaic power grid platform through a2 nd wireless data communication unit, a control end of the 2 nd controller sends control signals to the 1 st light emitter 2 and the 2 nd light emitter 1; after the 1 st light emitter 2 receives the control signal sent by the 2 nd controller, the 1 st light emitter 2 continuously emits a light, and the 1 st light emitter 2 emits a light which can only be received by the 1 st light receiver 2 in the 1 st photovoltaic monitoring pile; after the 2 nd light emitter 1 receives the control signal sent by the 2 nd controller, the 2 nd light emitter 1 continuously emits a light, and the 2 nd light emitter 1 emits a light which can only be received by the 2 nd light receiver 1 in the 3 rd photovoltaic monitoring pile;

After receiving a light emitting work request sent by a photovoltaic power grid platform through a3 rd wireless data communication unit, a3 rd controller in the 3 rd photovoltaic monitoring pile sends control signals to a2 nd light emitter 2 and a3 rd light emitter 1 through a control end of the 3 rd controller; after the 2 nd light emitter 2 receives the control signal sent by the 3 rd controller, the 2 nd light emitter 2 continuously emits a light, and the 2 nd light emitter 2 emits a light which can only be received by the 2 nd light receiver 2 in the 2 nd photovoltaic monitoring pile; after the 3 rd light emitter 1 receives the control signal sent by the 3 rd controller, the 3 rd light emitter 1 continuously emits a light, and the 3 rd light emitter 1 emits a light which can only be received by the 3 rd light receiver 1 in the 4 th photovoltaic monitoring pile;

After a4 th controller in the 4 th photovoltaic monitoring pile receives a light emitting work request sent by the photovoltaic power grid platform through a4 th wireless data communication unit, a control end of the 4 th controller sends control signals to a3 rd light emitter 2 and a4 th light emitter 1; after the 3 rd light emitter 2 receives the control signal sent by the 4 th controller, the 3 rd light emitter 2 continuously emits a light, and the 3 rd light emitter 2 emits a light which can only be received by the 3 rd light receiver 2 in the 3 rd photovoltaic monitoring pile; after the 4 th light emitter 1 receives the control signal sent by the 4 th controller, the 4 th light emitter 1 continuously emits a light, and the 4 th light emitter 1 emits a light which can only be received by the 4 th light receiver 1 in the 1 st photovoltaic monitoring pile.

In a preferred embodiment of the present invention, when m=3, k ₁＝2,K₂＝2,K₃ =2:

the photovoltaic power grid platform sends a light ray emission work request to 3 photovoltaic monitoring piles, wherein the 3 photovoltaic monitoring piles are respectively a1 st photovoltaic monitoring pile, a2 nd photovoltaic monitoring pile and a3 rd photovoltaic monitoring pile;

after a 1 st controller in the 1 st photovoltaic monitoring pile receives a light emitting work request sent by a photovoltaic power grid platform through a 1 st wireless data communication unit, a control end of the 1 st controller sends control signals to a 1 st light emitter 1 and a3 rd light emitter 2; after the 1 st light emitter 1 receives the control signal sent by the 1 st controller, the 1 st light emitter 1 continuously emits a light, and the 1 st light emitter 1 emits a light which can only be received by the 1 st light receiver 1 in the 2 nd photovoltaic monitoring pile; after the 3 rd light emitter 2 receives the control signal sent by the 1 st controller, the 3 rd light emitter 2 continuously emits a light, and the 3 rd light emitter 2 emits a light which can only be received by the 3 rd light receiver 2 in the 3 rd photovoltaic monitoring pile;

After receiving a light emitting work request sent by a photovoltaic power grid platform through a3 rd wireless data communication unit, a3 rd controller in the 3 rd photovoltaic monitoring pile sends control signals to a2 nd light emitter 2 and a3 rd light emitter 1 through a control end of the 3 rd controller; after the 2 nd light emitter 2 receives the control signal sent by the 3 rd controller, the 2 nd light emitter 2 continuously emits a light, and the 2 nd light emitter 2 emits a light which can only be received by the 2 nd light receiver 2 in the 2 nd photovoltaic monitoring pile; after the 3 rd light emitter 1 receives the control signal sent by the 3 rd controller, the 3 rd light emitter 1 continuously emits a light, and the 3 rd light emitter 1 emits a light which can only be received by the 3 rd light receiver 1 in the 3 rd photovoltaic monitoring pile.

In a preferred embodiment of the present invention, in step S23, when M is 4, there are a1 st photovoltaic monitoring post, a2 nd photovoltaic monitoring post, a 3 rd photovoltaic monitoring post, and a 4 th photovoltaic monitoring post;

If the photovoltaic power grid platform receives the moment that the 1 st light receiver 2 does not receive the light, the photovoltaic power grid platform receives the moment that the 1 st light receiver 1 does not receive the light, then the 1 st photovoltaic monitoring pile and the 2 nd photovoltaic monitoring pile pass through, then there are:

wherein t ₀ represents the time of crossing between the 1 st photovoltaic monitoring post and the 2 nd photovoltaic monitoring post;

s ₁ represents the distance between the crossing point and the 1 st photovoltaic monitoring pile;

v represents the speed of the light;

t ₁ represents the time when the 1 st light receiver 2 does not receive light;

s ₂ represents the distance between the crossing point and the 2 nd photovoltaic monitoring pile;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

s represents the distance between the 1 st photovoltaic monitoring pile and the 2 nd photovoltaic monitoring pile.

Otherwise, the photovoltaic monitoring pile 1 and the photovoltaic monitoring pile 2 do not pass through;

If the photovoltaic power grid platform receives the moment that the 2 nd light receiver 2 does not receive the light, the photovoltaic power grid platform receives the moment that the 2 nd light receiver 1 does not receive the light, then the photovoltaic monitoring pile passes through between the 2 nd photovoltaic monitoring pile and the 3 rd photovoltaic monitoring pile, then the photovoltaic power grid platform comprises:

Wherein t ₀' represents the time of crossing between the 2 nd photovoltaic monitoring post and the 3 rd photovoltaic monitoring post;

s ₁' represents the distance between the crossing point and the 2 nd photovoltaic monitoring pile;

v represents the speed of the light;

t ₁' represents the time when the 2 nd light receiver 2 does not receive light;

s' ₂ represents the distance between the crossing point and the 3 rd photovoltaic monitoring post;

t ₂' represents the time when the 2 nd light receiver 1 does not receive light;

s' represents the distance between the 2 nd photovoltaic monitoring stake and the 3 rd photovoltaic monitoring stake.

Otherwise, the photovoltaic monitoring pile 2 and the photovoltaic monitoring pile 3 do not pass through;

If the photovoltaic power grid platform receives the moment that the 3 rd light receiver 2 does not receive the light, the photovoltaic power grid platform receives the moment that the 3 rd light receiver 1 does not receive the light, then the 3 rd photovoltaic monitoring pile and the 4 th photovoltaic monitoring pile pass through, then there are:

Wherein t ₀ "represents the time of crossing between the 3 rd photovoltaic monitoring post and the 4 th photovoltaic monitoring post;

s ₁ "represents the distance between the crossing point and the 3 rd photovoltaic monitoring post;

v represents the speed of the light;

t ₁ "represents the time when the 3 rd light receiver 2 does not receive light;

s '₂' represents the distance between the crossing point and the 4 th photovoltaic monitoring post;

t ₂ "represents the time when the 3 rd light receiver 1 does not receive light;

s' represents the distance between the 3 rd photovoltaic monitoring post and the 4 th photovoltaic monitoring post.

Otherwise, the photovoltaic monitoring pile 3 and the photovoltaic monitoring pile 4 do not pass through;

If the photovoltaic power grid platform receives the moment that the 4 th light receiver 2 does not receive the light, the photovoltaic power grid platform receives the moment that the 4 th light receiver 1 does not receive the light, then the 4 th photovoltaic monitoring pile and the 1 st photovoltaic monitoring pile pass through, then there are:

wherein, t ₀' "represents the time of crossing between the 4 th photovoltaic monitoring stake and the 1 st photovoltaic monitoring stake;

s ₁' "represents the distance between the crossing point and the 4 th photovoltaic monitoring post;

v represents the speed of the light;

t ₁' "represents the time when the 4 th light receiver 2 did not receive light;

s' ₂ "represents the distance between the crossing point and the 1 st photovoltaic monitoring post;

t ₂' "represents the time when the 4 th light receiver 1 did not receive light;

s' "represents the distance between the 4 th photovoltaic monitoring post and the 1 st photovoltaic monitoring post;

and otherwise, the photovoltaic monitoring pile 4 and the photovoltaic monitoring pile 1 do not pass through.

In a preferred embodiment of the present invention, in step S23, when M is 3, there are a 1 st photovoltaic monitoring post, a 2 nd photovoltaic monitoring post, and a3 rd photovoltaic monitoring post;

v represents the speed of the light;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

v represents the speed of the light;

if the photovoltaic power grid platform receives the moment that the 3 rd light receiver 2 does not receive the light, the photovoltaic power grid platform receives the moment that the 3 rd light receiver 1 does not receive the light, then the 3 rd photovoltaic monitoring pile and the 1 st photovoltaic monitoring pile pass through, then there are:

Wherein t ₀ "represents the time of crossing between the 3 rd photovoltaic monitoring stake and the 1 st photovoltaic monitoring stake;

v represents the speed of the light;

s' ₂ represents the distance between the crossing point and the 1 st photovoltaic monitoring post;

t "₂ represents the time when the 3 rd light receiver 1 does not receive light;

S' represents the distance between the 3 rd photovoltaic monitoring stake and the 1 st photovoltaic monitoring stake;

and otherwise, the photovoltaic monitoring pile 3 does not pass through the photovoltaic monitoring pile 1.

In summary, by adopting the technical scheme, the photovoltaic power station access position can be monitored, so that patrol personnel can quickly arrive at the crossing point to check.

Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

Fig. 1 is a schematic block diagram of a flow of the present invention.

FIG. 2 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 3 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 4 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 5 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 6 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 7 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 8 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

Fig. 9 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

FIG. 10 is a schematic view of the present invention with a different number of light emitters and a different number of light receivers mounted on a photovoltaic monitor post.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

The invention provides an online real-time safety monitoring method for a photovoltaic power station, which is shown in fig. 1 and comprises the following steps:

s2, checking the crossing position on the photovoltaic power grid platform.

v represents the speed of the light;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

v represents the speed of the light;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

v represents the speed of the light;

/>

wherein t' ₀ represents the time of crossing between the 3 rd photovoltaic monitoring stake and the 1 st photovoltaic monitoring stake;

s' ₁ represents the distance between the crossing point and the 3 rd photovoltaic monitoring post;

v represents the speed of the light;

t "₁ represents the time when the 3 rd light receiver 2 does not receive light;

In a preferred embodiment of the present invention, the method for accessing the photovoltaic grid platform by means of the access code generated on the mobile smart handheld terminal in step S1 comprises the following steps:

s11, the mobile intelligent handheld terminal judges whether a triggering command for accessing the photovoltaic power grid platform is received or not:

If a triggering command for accessing the photovoltaic power grid platform is received, executing the next step;

If the triggering command for accessing the photovoltaic power grid platform is not received, continuing to wait, and executing the step S10;

S12, acquiring the equipment number of the mobile intelligent handheld terminal, wherein the equipment number is the ROM ID number and the RAM ID number of the mobile intelligent handheld terminal;

S13, generating an access number of the mobile intelligent handheld terminal according to the equipment number acquired in the step S12;

S14, generating an access code of the mobile intelligent handheld terminal according to the access number generated in the step S13; the mobile intelligent handheld terminal sends the generated access code to a photovoltaic power grid platform;

S15, after the photovoltaic power grid platform receives the access code, the photovoltaic power grid platform generates a query code according to the received access code;

s16, judging whether the query code exists on the photovoltaic power grid platform:

if the query code exists in the photovoltaic power grid platform, the first query code and the second query code corresponding to the query code are queried according to the query code, and the photovoltaic power grid platform is logged in by utilizing the first query code and the second query code;

And if the query code does not exist in the photovoltaic power grid platform, prompting the query code, wherein the prompting is that the mobile intelligent handheld terminal is not associated with the photovoltaic power grid platform.

In a preferred embodiment of the present invention, the method of generating an access number according to a device number in step S13 includes the steps of:

S131, determining the digits of the ROM ID number and the RAM ID number of the mobile intelligent handheld terminal, wherein the digits are respectively marked as A _ROM and A _RAM,A_ROM which represent the digits of the ROM ID number of the mobile intelligent handheld terminal, and A _RAM which represents the digits of the RAM ID number of the mobile intelligent handheld terminal;

S132, judging the relation between A _ROM and A _RAM:

if a _ROM>A_RAM,A_ROM represents the number of digits of the ROM ID number of the mobile smart handheld terminal, a _RAM represents the number of digits of the RAM ID number of the mobile smart handheld terminal, then 0 may be filled in the forefront of the RAM ID number of the mobile smart handheld terminal, or 0 may also be filled in the rearmost of the RAM ID number of the mobile smart handheld terminal; let A _ROM＝A_RAM′,A_ROM denote the number of digits of the ROM ID number of the mobile smart handheld terminal, and A _RAM′ denote the number of digits of the RAM ID number of the mobile smart handheld terminal after 0 is added to the forefront of the RAM ID number; executing the next step;

if a _ROM<A_RAM,A_ROM represents the number of digits of the ROM ID number of the mobile smart handheld terminal, a _RAM represents the number of digits of the RAM ID number of the mobile smart handheld terminal, then 0 may be filled in the forefront of the ROM ID number of the mobile smart handheld terminal, or 0 may be filled in the rearmost of the ROM ID number of the mobile smart handheld terminal; let A _ROM′＝A_RAM,A′_ROM denote the number of digits of the ROM ID number after 0 is added to the forefront of the ROM ID number of the mobile smart hand-held terminal, and A _RAM denote the number of digits of the RAM ID number of the mobile smart hand-held terminal; executing the next step;

If A _ROM＝A_RAM,A_ROM represents the number of digits of the ROM ID number of the mobile intelligent handheld terminal, A _RAM represents the number of digits of the RAM ID number of the mobile intelligent handheld terminal, executing the next step;

s133, after the operation in step S132, performing the following operations:

C＝A₁B₁A₂B₂A₃B₃…A_maxB_max，

Wherein, C represents an access number;

A ₁ shows that the ROM ID number of the mobile intelligent handheld terminal after the step S132 is according to the 1 st character from left to right;

a ₂ shows that the ROM ID number of the mobile intelligent handheld terminal after the step S132 is processed is according to the 2 nd character from left to right;

a ₃ shows that the ROM ID number of the mobile intelligent handheld terminal after the step S132 is according to the 3 rd character from left to right;

a _max shows that the ROM ID number of the mobile intelligent handheld terminal after the step S132 is processed is according to the max bit character from left to right;

B ₁ shows that the RAM ID number of the mobile intelligent handheld terminal after the step S132 is carried out is according to the 1 st character from left to right;

B ₂ shows that the RAM ID number of the mobile intelligent handheld terminal after the step S132 is carried out is according to the 2 nd character from left to right;

b ₃ shows that the RAM ID number of the mobile intelligent handheld terminal after the step S132 is carried out is according to the 3 rd character from left to right;

b _max shows that the RAM ID number of the mobile intelligent handheld terminal after the step S132 is processed is according to the max bit character from left to right;

Wherein, [ | ] represents that the left Bian Shuzhi is compared with the right numerical value, and takes a larger value.

In a preferred embodiment of the present invention, the method for generating the access code according to the access number in step S14 is as follows:

AccessNO＝Accesscode(C)，

wherein AccessNO denotes an access code;

accesscode () represents the generation method of the access code, and preferably adopts the md5 digest generation method;

c represents an access number.

In a preferred embodiment of the present invention, in step S16, the method for logging in the photovoltaic power grid platform by using the query code one and the query code two according to the query code one and the query code two corresponding to the query code comprises the following steps:

S161, the photovoltaic power grid platform judges whether the query code I exists in a photovoltaic power grid platform login database:

If the query code I exists in the photovoltaic power grid platform login database, the query code I is an account number at the moment, and a password corresponding to the account number is obtained; step S163 is performed;

If the query code I does not exist in the photovoltaic power grid platform login database, executing the next step;

s162, the photovoltaic power grid platform judges whether the query code II exists in the photovoltaic power grid platform login database:

if the query code II exists in the photovoltaic power grid platform login database, the query code II is an account number at the moment, and a password corresponding to the account number is obtained; step S164 is performed;

If the query code II does not exist in the photovoltaic power grid platform login database, prompting that the data on the photovoltaic power grid platform cannot be accessed;

s163, judging whether the query code II is consistent with the password corresponding to the acquired account:

if the query code II is consistent with the password corresponding to the acquired account, the mobile intelligent handheld terminal can access the data on the photovoltaic power grid platform, and the mobile intelligent handheld terminal successfully logs in the photovoltaic power grid platform;

if the query code II is inconsistent with the password corresponding to the acquired account, prompting that the data on the photovoltaic power grid platform cannot be accessed;

S164, judging whether the query code I is consistent with the password corresponding to the acquired account:

if the query code I is consistent with the password corresponding to the acquired account, the mobile intelligent handheld terminal can access the data on the photovoltaic power grid platform, and the mobile intelligent handheld terminal successfully logs in the photovoltaic power grid platform;

If the query code I is inconsistent with the password corresponding to the acquired account number, prompting that the data on the photovoltaic power grid platform cannot be accessed.

In a preferred embodiment of the present invention, the method for generating the account query code according to the access code in step S15 includes:

AccountNO＝Accountcode(ξ)，

wherein AccountNO denotes a query code;

Accountcode () represents a query code generation method, and preferably adopts an md5 abstract generation method;

And xi represents an access code sent by the mobile intelligent handheld terminal and received by the photovoltaic power grid platform.

In a preferred embodiment of the present invention, the method for associating the mobile smart handheld terminal with the photovoltaic grid platform in step S16 comprises the steps of:

s16-1, after the mobile intelligent handheld terminal successfully logs in, the photovoltaic power grid platform judges whether a request of the associated mobile intelligent handheld terminal is received or not:

If the photovoltaic power grid platform judges that the request of the associated mobile intelligent handheld terminal is received, executing the next step;

if the photovoltaic power grid platform does not receive the request of the associated mobile intelligent handheld terminal, executing the step S16-1;

S16-2, the photovoltaic power grid platform requests the mobile intelligent handheld terminal to send the equipment number of the mobile intelligent handheld terminal, wherein the equipment number is the ROM ID number and the RAM ID number of the mobile intelligent handheld terminal; after receiving a device number request of the mobile intelligent handheld terminal sent by the photovoltaic power grid platform, the mobile intelligent handheld terminal sends the device number of the mobile intelligent handheld terminal to the photovoltaic power grid platform;

s16-3, after the photovoltaic power grid platform receives the equipment number of the mobile intelligent handheld terminal sent by the mobile intelligent handheld terminal, generating a query code according to the received equipment number of the mobile intelligent handheld terminal;

s16-4, after the photovoltaic power grid platform generates the query code, acquiring the account number and the password of the mobile intelligent handheld terminal, and storing the acquired account number and password and the query code as a query group in the access code database.

In a preferred embodiment of the present invention, the method for generating the query code by the device number in step S16-3 is as follows:

wherein EnquireNO represents a query code generated by the remote photovoltaic system;

Enquirecode () represents a method for generating a query code by a remote photovoltaic system, and preferably adopts an md5 abstract generating method;

Representing an access number generated by a photovoltaic power grid platform; /(I)

The method for generating the access number by the photovoltaic power grid platform comprises the following steps:

S16-31, determining the number of bits of the received ROM ID number and the RAM ID number of the mobile intelligent handheld terminal, wherein the bits are respectively recorded as A ' _ROM and A ' _RAM,A′_ROM which represent the number of bits of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, and A ' _RAM which represent the number of bits of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform;

s16-32, judging the relation between A '_ROM and A' _RAM:

If a '_ROM>A′_RAM,A′_ROM represents the number of digits of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, a' _RAM represents the number of digits of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, 0 is filled at the forefront of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, or 0 can be filled at the rearmost of the RAM ID number; enabling A '_ROM＝A′_RAM′,A′_ROM to represent the number of digits of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, and enabling A' _RAM′ to represent the number of digits of the RAM ID number, added with 0, of the mobile intelligent handheld terminal received by the photovoltaic power grid platform at the forefront of the RAM ID number; executing the next step;

If a '_ROM<A′_RAM,A_ROM represents the number of digits of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, a' _RAM represents the number of digits of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, 0 is filled at the forefront of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, or 0 can be filled at the rearmost of the ROM ID number; enabling A '_ROM′＝A′_RAM,A′_ROM to represent the digit of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, wherein the digit of the ROM ID number is added with 0 at the forefront of the ROM ID number of the mobile intelligent handheld terminal, and A' _RAM represents the digit of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform; executing the next step;

if A '_ROM＝A′_RAM,A′_ROM represents the number of digits of the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, A' _RAM represents the number of digits of the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform, executing the next step;

S16-33, after the operation in the step S16-33, the following operations are executed:

Wherein, Representing an access number;

A' ₁ shows that the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform after the step S16-32 is according to the 1 st character from left to right;

a' ₂ shows that the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform after the step S16-32 is according to the 2 nd character from left to right;

a' ₃ shows that the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform after the step S16-32 is according to the 3 rd character from left to right;

A '_max′ shows that the ROM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform after the step S16-32 is according to the max' character from left to right;

B' ₁ shows that the ID number of the mobile intelligent handheld terminal RAM received by the photovoltaic power grid platform after the step S16-32 is according to the 1 st character from left to right;

b' ₂ shows that the ID number of the mobile intelligent handheld terminal RAM received by the photovoltaic power grid platform after the step S16-32 is according to the 2 nd character from left to right;

b' ₃ shows that the mobile intelligent handheld terminal RAM ID number received by the photovoltaic power grid platform after the step S16-32 is according to the 3 rd character from left to right;

B '_max′ shows that the RAM ID number of the mobile intelligent handheld terminal received by the photovoltaic power grid platform after the step S16-32 is according to the max' bit character from left to right;

The invention also discloses a safety monitoring system for the online real-time safety monitoring method of the photovoltaic power station, which comprises the photovoltaic power station and M photovoltaic monitoring piles, wherein M is a positive integer greater than or equal to 3, and is respectively a 1 st photovoltaic monitoring pile, a2 nd photovoltaic monitoring pile, a 3 rd photovoltaic monitoring pile, … … th photovoltaic monitoring pile and an M th photovoltaic monitoring pile, the M photovoltaic monitoring piles are regarded as M vertexes to form M edges, and the 1 st edge, the 2 nd edge, the … … th edge and the M th edge are respectively arranged in the M edges of the photovoltaic power station;

a K _m pair of M-th light ray monitors are arranged on the photovoltaic monitoring pile where the M-th side is located, M is a positive integer smaller than or equal to M, and K _m is a positive integer larger than or equal to 2; that is, the 1 st side is provided with a K ₁ pair of 1 st light monitors, that is, the 1 st side is provided with 2 pairs of 1 st light monitors, or the 1 st side is provided with 3 pairs of 1 st light monitors, or the 1 st side is provided with 4 pairs of 1 st light monitors, or the 1 st side is provided with 5 pairs of 1 st light monitors, or … …;

k ₂ pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, namely, 2 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 3 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 4 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 5 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or … …;

K ₃ pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, namely 2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 3 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 4 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 5 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or … …;

……；

The photovoltaic monitoring pile at the Mth side is provided with K _M pairs of M light monitors, namely 2 pairs of M light monitors are arranged on the photovoltaic monitoring pile at the Mth side, or 3 pairs of M light monitors are arranged on the photovoltaic monitoring pile at the Mth side, or 4 pairs of M light monitors are arranged on the photovoltaic monitoring pile at the Mth side, or 5 pairs of M light monitors are arranged on the photovoltaic monitoring pile at the Mth side, or … ….

The m-th ray monitors of K _m are respectively an m-th ray monitor 1, an m-th ray monitor 2, m-th ray monitors 3 and … … and an m-th ray monitor K _m; namely, the 1 st ray monitor of K ₁ is 1 st ray monitor 1, 1 st ray monitor 2, 1 st ray monitor 3, … …,1 st ray monitor K ₁ respectively; or K ₂ is respectively a 2 nd ray monitor 1, a 2 nd ray monitor 2, a 2 nd ray monitor 3, … … and a 2 nd ray monitor K ₂ to the 2 nd ray monitor; or K ₃ is respectively a 3 rd light monitor 1, a 3 rd light monitor 2, a 3 rd light monitor 3, … … and a 3 rd light monitor K ₃ for the 3 rd light monitor; or … …; or K _M is respectively M ray monitor 1, M ray monitor 2, M ray monitors 3, … … and M ray monitor K _M for M ray monitors.

The mth light ray monitor K comprises an mth light ray emitter K and an mth light ray receiver K, wherein K is a positive integer less than or equal to K _M; that is, the 1 st light monitor 1 includes the 1 st light emitter 1 and the 1 st light receiver 1, the 1 st light monitor 2 includes the 1 st light emitter 2 and the 1 st light receiver 2, the 1 st light monitor 3 includes the 1 st light emitter 3 and the 1 st light receiver 3, … …, and the 1 st light monitor K _M includes the 1 st light emitter K _M and the 1 st light receiver K _M;

The 2 nd light monitor 1 comprises a2 nd light emitter 1 and a2 nd light receiver 1, the 2 nd light monitor 2 comprises a2 nd light emitter 2 and a2 nd light receiver 2, the 2 nd light monitor 3 comprises a2 nd light emitter 3 and a2 nd light receiver 3, … …, and the 2 nd light monitor K _M comprises a2 nd light emitter K _M and a2 nd light receiver K _M;

The 3 rd light monitor 1 comprises a 3 rd light emitter 1 and a 3 rd light receiver 1, the 3 rd light monitor 2 comprises a 3 rd light emitter 2 and a 3 rd light receiver 2, the 3 rd light monitor 3 comprises a 3 rd light emitter 3 and a 3 rd light receiver 3, … …, and the 3 rd light monitor K _M comprises a 3 rd light emitter K _M and a 3 rd light receiver K _M;

……；

The mth light monitor 1 includes an mth light emitter 1 and an mth light receiver 1, the mth light monitor 2 includes an mth light emitter 2 and an mth light receiver 2, the mth light monitor 3 includes an mth light emitter 3 and an mth light receiver 3, … …, and the mth light monitor K _M includes an mth light emitter K _M and an mth light receiver K _M.

The light emitters on the photovoltaic monitoring piles emit light which can only be received by the light receivers on the adjacent photovoltaic monitoring piles, the light between the adjacent photovoltaic monitoring piles are parallel and have the same projection (the same projection can be ensured by one light under or over the other light), and the light directions are not completely the same; and monitoring the crossing position of the photovoltaic power station is realized.

2 pairs of 1 st light monitors are arranged on the photovoltaic monitoring pile where the 1 st side is located, and the 2 pairs of 1 st light monitors are respectively a1 st light monitor 1 and a1 st light monitor 2; the 1 st light ray monitor 1 comprises a1 st light ray emitter 1 and a1 st light ray receiver 1, and the 1 st light ray monitor 2 comprises a1 st light ray emitter 2 and a1 st light ray receiver 2;

2 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, and the 2 nd light monitors are respectively a 2 nd light monitor 1 and a 2 nd light monitor 2; the 2 nd light ray monitor 1 comprises a 2 nd light ray emitter 1 and a 2 nd light ray receiver 1, and the 2 nd light ray monitor 2 comprises a 2 nd light ray emitter 2 and a 2 nd light ray receiver 2;

2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 2 pairs of 3 rd light monitors are respectively a3 rd light monitor 1 and a3 rd light monitor 2; the 3 rd light monitor 1 comprises a3 rd light emitter 1 and a3 rd light receiver 1, and the 3 rd light monitor 2 comprises a3 rd light emitter 2 and a3 rd light receiver 2;

2 pairs of 4 th light monitors are arranged on the photovoltaic monitoring pile where the 4 th side is located, and the 2 pairs of 4 th light monitors are respectively a 4 th light monitor 1 and a 4 th light monitor 2; the 4 th light ray monitor 1 includes a 4 th light ray emitter 1 and a 4 th light ray receiver 1, and the 4 th light ray monitor 2 includes a 4 th light ray emitter 2 and a 4 th light ray receiver 2. Specifically, as shown in fig. 2, a1 st light emitter 1 and a1 st light receiver 2 are arranged on the 1 st photovoltaic monitoring pile, a1 st light emitter 2 and a1 st light receiver 1 are arranged on the 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, and light emitted by the 1 st light emitter 1 is parallel to light emitted by the 1 st light emitter 2; in general, the distance between the light rays emitted by the 1 st light ray emitter 1 and the light rays emitted by the 1 st light ray emitter 2 is d, the value of d is selected according to practical situations, the preferred d epsilon [1cm,3cm ] can be 2cm, and the distance between the light rays emitted by the 1 st light ray emitter 1 and the ground is 50 cm-120 cm, and the preferred value of d is 70cm; other sides are equally applicable.

The 2 nd photovoltaic monitoring pile is also provided with a 2 nd light emitter 1 and a 2 nd light receiver 2, the 3 rd photovoltaic monitoring pile is provided with a 2 nd light emitter 2 and a 2 nd light receiver 1, light emitted by the 2 nd light emitter 1 is received by the 2 nd light receiver 1, light emitted by the 2 nd light emitter 2 is received by the 2 nd light receiver 2, light emitted by the 2 nd light emitter 1 is right above light emitted by the 2 nd light emitter 2, and light emitted by the 2 nd light emitter 1 is parallel to light emitted by the 2 nd light emitter 2;

The 3 rd photovoltaic monitoring pile is provided with a3 rd light emitter 1 and a3 rd light receiver 2, the 4 th photovoltaic monitoring pile is also provided with the 3 rd light emitter 2 and the 3 rd light receiver 1, light emitted by the 3 rd light emitter 1 is received by the 3 rd light receiver 1, light emitted by the 3 rd light emitter 2 is received by the 3 rd light receiver 2, light emitted by the 3 rd light emitter 1 is right above light emitted by the 3 rd light emitter 2, and light emitted by the 3 rd light emitter 1 is parallel to light emitted by the 3 rd light emitter 2;

the 4 th photovoltaic monitoring pile is further provided with a 4 th light emitter 1 and a 4 th light receiver 2, the 1 st photovoltaic monitoring pile is further provided with a 4 th light emitter 2 and a 4 th light receiver 1, light emitted by the 4 th light emitter 1 is received by the 4 th light receiver 1, light emitted by the 4 th light emitter 2 is received by the 4 th light receiver 2, light emitted by the 4 th light emitter 1 is right above light emitted by the 4 th light emitter 2, and light emitted by the 4 th light emitter 1 is parallel to light emitted by the 4 th light emitter 2.

2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 2 pairs of 3 rd light monitors are respectively a 3 rd light monitor 1 and a 3 rd light monitor 2; the 3 rd light monitor 1 includes a 3 rd light emitter 1 and a 3 rd light receiver 1, and the 3 rd light monitor 2 includes a 3 rd light emitter 2 and a 3 rd light receiver 2. Specifically, as shown in fig. 3, a 1 st light emitter 1 and a 1 st light receiver 2 are arranged on the 1 st photovoltaic monitoring pile, a 1 st light emitter 2 and a 1 st light receiver 1 are arranged on the 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, and light emitted by the 1 st light emitter 1 is parallel to light emitted by the 1 st light emitter 2;

The photovoltaic monitoring pile 2 is provided with a light emitter 2 and a light receiver 2, the photovoltaic monitoring pile 3 is also provided with a light emitter 2 and a light receiver 2, the light emitted by the light emitter 2 is received by the light receiver 21, the light emitted by the light emitter 2 is received by the light receiver 2, the light emitted by the light emitter 1 is directly above the light emitted by the light emitter 2, and the light emitted by the light emitter 1 is parallel to the light emitted by the light emitter 2;

The 3 rd photovoltaic monitoring pile is further provided with a 3 rd light emitter 1 and a 3 rd light receiver 2, the 1 st photovoltaic monitoring pile is further provided with the 3 rd light emitter 2 and the 3 rd light receiver 1, light emitted by the 3 rd light emitter 1 is received by the 3 rd light receiver 1, light emitted by the 3 rd light emitter 2 is received by the 3 rd light receiver 2, light emitted by the 3 rd light emitter 1 is right above light emitted by the 3 rd light emitter 2, and light emitted by the 3 rd light emitter 1 is parallel to light emitted by the 3 rd light emitter 2.

In a preferred embodiment of the present invention, when m= 5,K ₁＝2,K₂＝2,K₃＝2,K₄＝2,K₅ =2:

2 pairs of 4 th light monitors are arranged on the photovoltaic monitoring pile where the 4 th side is located, and the 2 pairs of 4 th light monitors are respectively a 4 th light monitor 1 and a 4 th light monitor 2; the 4 th light ray monitor 1 comprises a 4 th light ray emitter 1 and a 4 th light ray receiver 1, and the 4 th light ray monitor 2 comprises a 4 th light ray emitter 2 and a 4 th light ray receiver 2;

2 pairs of 5 th light monitors are arranged on the photovoltaic monitoring pile where the 5 th side is located, and the 2 pairs of 5 th light monitors are respectively a5 th light monitor 1 and a5 th light monitor 2; the 5 th light ray monitor 1 includes a5 th light ray emitter 1 and a5 th light ray receiver 1, and the 5 th light ray monitor 2 includes a5 th light ray emitter 2 and a5 th light ray receiver 2.

In a preferred embodiment of the present invention, when m=3, k ₁＝3,K₂＝3,K₃ =3:

3 pairs of 1 st light monitors are arranged on the photovoltaic monitoring pile where the 1 st side is located, and the 3 pairs of 1 st light monitors are respectively 1 st light monitor 1, 1 st light monitor 2 and 1 st light monitor 3; the 1 st light ray monitor 1 comprises a1 st light ray emitter 1 and a1 st light ray receiver 1, the 1 st light ray monitor 2 comprises a1 st light ray emitter 2 and a1 st light ray receiver 2, and the 1 st light ray monitor 3 comprises a1 st light ray emitter 3 and a1 st light ray receiver 3;

3 pairs of 2 nd light monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, and the 2 nd light monitors are respectively a 2 nd light monitor 1, a 2 nd light monitor 2 and a 2 nd light monitor 3; the 2 nd light ray monitor 1 comprises a 2 nd light ray emitter 1 and a 2 nd light ray receiver 1, the 2 nd light ray monitor 2 comprises a 2 nd light ray emitter 2 and a 2 nd light ray receiver 2, and the 2 nd light ray monitor 3 comprises a 2 nd light ray emitter 3 and a 2 nd light ray receiver 3;

3 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 3 rd light monitors are respectively a 3 rd light monitor 1, a 3 rd light monitor 2 and a 3 rd light monitor 3; the 3 rd light ray monitor 1 comprises a 3 rd light ray emitter 1 and a 3 rd light ray receiver 1, the 3 rd light ray monitor 2 comprises a 3 rd light ray emitter 2 and a 3 rd light ray receiver 2, and the 3 rd light ray monitor 3 comprises a 3 rd light ray emitter 3 and a 3 rd light ray receiver 3; as shown in fig. 4, a1 st light emitter 1, a1 st light receiver 2 and a1 st light receiver 3 are arranged on the 1 st photovoltaic monitoring pile, a1 st light emitter 2, a1 st light receiver 1 and a1 st light receiver 3 are arranged on the 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 3 is received by the 1 st light receiver 3, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, light emitted by the 1 st light emitter 2 is directly above light emitted by the 1 st light emitter 3, and light emitted by the 1 st light emitter 1, light emitted by the 1 st light emitter 2 is parallel to light emitted by the 1 st light emitter 3;

The 2 nd photovoltaic monitoring pile is further provided with a 2 nd light emitter 1, a 2 nd light receiver 2 and a 2 nd light receiver 3, the 3 rd photovoltaic monitoring pile is provided with a 2 nd light emitter 2, a 2 nd light receiver 1 and a 2 nd light emitter 3, the light emitted by the 2 nd light emitter 1 is received by the 2 nd light receiver 1, the light emitted by the 2 nd light emitter 2 is received by the 2 nd light receiver 2, the light emitted by the 2 nd light emitter 3 is received by the 2 nd light receiver 3, the light emitted by the 2 nd light emitter 1 is directly above the light emitted by the 2 nd light emitter 2, the light emitted by the 2 nd light emitter 1 is directly above the light emitted by the 2 nd light emitter 3, and the light emitted by the 2 nd light emitter 1, the light emitted by the 2 nd light emitter 2 are parallel to the light emitted by the 2 nd light emitter 3;

the 3 rd photovoltaic monitoring pile is further provided with a 3 rd light emitter 1, a 3 rd light receiver 2 and a 3 rd light receiver 3, the 1 st photovoltaic monitoring pile is further provided with a 3 rd light emitter 2, a 3 rd light receiver 1 and a 3 rd light emitter 3, light emitted by the 3 rd light emitter 1 is received by the 3 rd light receiver 1, light emitted by the 3 rd light emitter 2 is received by the 3 rd light receiver 2, light emitted by the 3 rd light emitter 3 is received by the 3 rd light receiver 3, light emitted by the 3 rd light emitter 1 is directly above light emitted by the 3 rd light emitter 2, light emitted by the 3 rd light emitter 2 is directly above light emitted by the 3 rd light emitter 3, and light emitted by the 3 rd light emitter 1, light emitted by the 3 rd light emitter 2 is parallel to light emitted by the 3 rd light emitter 3.

In a preferred embodiment of the present invention, when m=3, k ₁＝2,K₂＝3,K₃ =3:

3 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 3 rd light monitors are respectively a3 rd light monitor 1, a3 rd light monitor 2 and a3 rd light monitor 3; the 3 rd light ray monitor 1 comprises a3 rd light ray emitter 1 and a3 rd light ray receiver 1, the 3 rd light ray monitor 2 comprises a3 rd light ray emitter 2 and a3 rd light ray receiver 2, and the 3 rd light ray monitor 3 comprises a3 rd light ray emitter 3 and a3 rd light ray receiver 3; specifically, as shown in fig. 5, a 1 st light emitter 1 and a 1 st light receiver 2 are arranged on the 1 st photovoltaic monitoring pile, a 1 st light emitter 2 and a 1 st light receiver 1 are arranged on the 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, and light emitted by the 1 st light emitter 1 is parallel to light emitted by the 1 st light emitter 2;

In a preferred embodiment of the present invention, when m=3, k ₁＝3,K₂＝2,K₃ =3:

3 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 3 rd light monitors are respectively a 3 rd light monitor 1, a 3 rd light monitor 2 and a 3 rd light monitor 3; the 3 rd light ray monitor 1 comprises a 3 rd light ray emitter 1 and a 3 rd light ray receiver 1, the 3 rd light ray monitor 2 comprises a 3 rd light ray emitter 2 and a 3 rd light ray receiver 2, and the 3 rd light ray monitor 3 comprises a 3 rd light ray emitter 3 and a 3 rd light ray receiver 3; as shown in fig. 6, a1 st light emitter 1, a1 st light receiver 2 and a1 st light receiver 3 are arranged on the 1 st photovoltaic monitoring pile, a1 st light emitter 2, a1 st light receiver 1 and a1 st light receiver 3 are arranged on the 2 nd photovoltaic monitoring pile, the light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, the light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, the light emitted by the 1 st light emitter 3 is received by the 1 st light receiver 3, the light emitted by the 1 st light emitter 1 is directly above the light emitted by the 1 st light emitter 2, the light emitted by the 1 st light emitter 2 is directly above the light emitted by the 1 st light emitter 3, and the light emitted by the 1 st light emitter 1, the light emitted by the 1 st light emitter 2 is parallel to the light emitted by the 1 st light emitter 3;

The 2 nd photovoltaic monitoring pile is further provided with a 2 nd light emitter 1 and a 2 nd light receiver 2, the 3 rd photovoltaic monitoring pile is provided with the 2 nd light emitter 2 and the 2 nd light receiver 1, light emitted by the 2 nd light emitter 1 is received by the 2 nd light receiver 1, light emitted by the 2 nd light emitter 2 is received by the 2 nd light receiver 2, light emitted by the 2 nd light emitter 1 is right above light emitted by the 2 nd light emitter 2, and light emitted by the 2 nd light emitter 1 is parallel to light emitted by the 2 nd light emitter 2;

In a preferred embodiment of the present invention, when m=3, k ₁＝3,K₂＝3,K₃ =2:

2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 2 pairs of 3 rd light monitors are respectively a3 rd light monitor 1 and a3 rd light monitor 2; the 3 rd light monitor 1 comprises a3 rd light emitter 1 and a3 rd light receiver 1, and the 3 rd light monitor 2 comprises a3 rd light emitter 2 and a3 rd light receiver 2; as shown in fig. 7, a1 st light emitter 1, a1 st light receiver 2 and a1 st light receiver 3 are arranged on the 1 st photovoltaic monitoring pile, a1 st light emitter 2, a1 st light receiver 1 and a1 st light receiver 3 are arranged on the 2 nd photovoltaic monitoring pile, the light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, the light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, the light emitted by the 1 st light emitter 3 is received by the 1 st light receiver 3, the light emitted by the 1 st light emitter 1 is directly above the light emitted by the 1 st light emitter 2, the light emitted by the 1 st light emitter 2 is directly above the light emitted by the 1 st light emitter 3, and the light emitted by the 1 st light emitter 1, the light emitted by the 1 st light emitter 2 is parallel to the light emitted by the 1 st light emitter 3;

In a preferred embodiment of the present invention, when m=3, k ₁＝2,K₂＝2,K₃ =3:

3 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 3 rd light monitors are respectively a3 rd light monitor 1, a3 rd light monitor 2 and a3 rd light monitor 3; the 3 rd light ray monitor 1 comprises a3 rd light ray emitter 1 and a3 rd light ray receiver 1, the 3 rd light ray monitor 2 comprises a3 rd light ray emitter 2 and a3 rd light ray receiver 2, and the 3 rd light ray monitor 3 comprises a3 rd light ray emitter 3 and a3 rd light ray receiver 3; as shown in fig. 8: the method comprises the steps that a 1 st light emitter 1 and a 1 st light receiver 2 are arranged on a 1 st photovoltaic monitoring pile, a 1 st light emitter 2 and a 1 st light receiver 1 are arranged on a 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, and light emitted by the 1 st light emitter 1 is parallel to light emitted by the 1 st light emitter 2;

In a preferred embodiment of the present invention, when m=3, k ₁＝2,K₂＝3,K₃ =2:

2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 2 pairs of 3 rd light monitors are respectively a 3 rd light monitor 1 and a 3 rd light monitor 2; the 3 rd light monitor 1 comprises a 3 rd light emitter 1 and a 3 rd light receiver 1, and the 3 rd light monitor 2 comprises a 3 rd light emitter 2 and a 3 rd light receiver 2; as shown in fig. 9: the method comprises the steps that a 1 st light emitter 1 and a 1 st light receiver 2 are arranged on a 1 st photovoltaic monitoring pile, a 1 st light emitter 2 and a 1 st light receiver 1 are arranged on a 2 nd photovoltaic monitoring pile, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, and light emitted by the 1 st light emitter 1 is parallel to light emitted by the 1 st light emitter 2;

In a preferred embodiment of the present invention, when m=3, k ₁＝3,K₂＝2,K₃ =2:

2 pairs of 3 rd light monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, and the 2 pairs of 3 rd light monitors are respectively a3 rd light monitor 1 and a3 rd light monitor 2; the 3 rd light monitor 1 includes a3 rd light emitter 1 and a3 rd light receiver 1, and the 3 rd light monitor 2 includes a3 rd light emitter 2 and a3 rd light receiver 2. As shown in fig. 10: the photovoltaic monitoring pile 1 is provided with a1 st light emitter 1, a1 st light receiver 2 and a1 st light receiver 3, the photovoltaic monitoring pile 2 is provided with a1 st light emitter 2, a1 st light receiver 1 and a1 st light receiver 3, light emitted by the 1 st light emitter 1 is received by the 1 st light receiver 1, light emitted by the 1 st light emitter 2 is received by the 1 st light receiver 2, light emitted by the 1 st light emitter 3 is received by the 1 st light receiver 3, light emitted by the 1 st light emitter 1 is directly above light emitted by the 1 st light emitter 2, light emitted by the 1 st light emitter 2 is directly above light emitted by the 1 st light emitter 3, and light emitted by the 1 st light emitter 1, light emitted by the 1 st light emitter 2 is parallel to light emitted by the 1 st light emitter 3;

In a preferred embodiment of the invention, the photovoltaic monitoring pile further comprises a K ' _m′ pair of M ' monitors on the photovoltaic monitoring pile on which the M ' side is positioned, wherein M ' is a positive integer less than or equal to M, and K ' _m′ is a positive integer greater than or equal to 1; that is, the 1 st monitor of the K' ₁ pairs is arranged on the 1 st photovoltaic monitoring pile, that is, the 1 st monitor of the 1 st pair is arranged on the 1 st photovoltaic monitoring pile, or the 2 st monitors of the 1 st pair are arranged on the 1 st photovoltaic monitoring pile, or the 3 st monitors of the 3 st pair are arranged on the 1 st photovoltaic monitoring pile, or the 4 st monitors of the 4 st monitors are arranged on the 1 st photovoltaic monitoring pile, or … …;

K' ₂ pairs of 2 nd monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, namely, 1 pair of 2 nd monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 2 pairs of 2 nd monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 3 pairs of 2 nd monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or 4 pairs of 2 nd monitors are arranged on the photovoltaic monitoring pile where the 2 nd side is located, or … …;

K' ₃ pairs of 3 rd monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, namely 1 pair of 3 rd monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 2 pairs of 3 rd monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 3 pairs of 3 rd monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or 4 pairs of 3 rd monitors are arranged on the photovoltaic monitoring pile where the 3 rd side is located, or … …;

……；

The K' _M pairs of M monitors are arranged on the photovoltaic monitoring pile where the M edge is located, namely 1 pair of M monitors are arranged on the photovoltaic monitoring pile where the M edge is located, or 2 pairs of M monitors are arranged on the photovoltaic monitoring pile where the M edge is located, or 3 pairs of M monitors are arranged on the photovoltaic monitoring pile where the M edge is located, or 4 pairs of M monitors are arranged on the photovoltaic monitoring pile where the M edge is located, or … ….

K ' _m′ is respectively m ' monitors 1, m ' monitors 2, m ' monitors 3, … … and m ' monitors K ' _m′ to m ' monitors; namely, the 1 st monitor is 1 st monitor 1,1 st monitor 2, 1 st monitors 3, … …,1 st monitor K '₁, respectively, to the K' ₁; or K '₂ to 2 nd monitor are respectively 2 nd monitor 1,2 nd monitor 2,2 nd monitors 3, … …,2 nd monitor K' ₂; or K '₃ to 3 rd monitor are 3 rd monitor 1, 3 rd monitor 2,3 rd monitors 3, … …,3 rd monitor K' ₃ respectively; or … …; or K' _M is M1, M2, M3, … …, M _M for M monitors respectively.

The m 'th monitor K' includes an m 'th transmitter K' and an m 'th receiver K', the K 'being a positive integer less than or equal to K' _m′; that is, the 1 st monitor 1 includes the 1 st emitter 1 and the 1 st receiver 1, the 1 st monitor 2 includes the 1 st emitter 2 and the 1 st receiver 2, the 1 st monitor 3 includes the 1 st emitter 3 and the 1 st receiver 3, … …, and the 1 st monitor K ' _M includes the 1 st emitter K ' _M and the 1 st receiver K ' _M;

Monitor 21 includes emitter 21 and receiver 21, monitor 2 includes emitter 2 and receiver 2, monitor 23 includes emitter 23 and receiver 23, … …, monitor 2K ' _M includes emitter 2K ' _M and receiver 2K ' _M;

3 rd monitor 1 includes 3 rd emitter 1 and 3 rd receiver 1, 3 rd monitor 2 includes 3 rd emitter 2 and 3 rd receiver 2, 3 rd monitor 3 includes 3 rd emitter 3 and 3 rd receiver 3, … …,3 rd monitor K ' _M includes 3 rd emitter K ' _M and 3 rd receiver K ' _M;

……；

The mth monitor 1 includes an mth transmitter 1 and an mth receiver 1, the mth monitor 2 includes an mth transmitter 2 and an mth receiver 2, the mth monitor 3 includes an mth transmitter 3 and an mth receiver 3, … …, and the mth monitor K ' _M includes an mth transmitter K ' _M and an mth receiver K ' _M.

The emitter on the photovoltaic monitoring pile emits a light ray which can only be received by one receiver on the adjacent photovoltaic monitoring pile, the light ray emitted by the emitter is parallel to the light rays emitted by all the light ray emitters between the two photovoltaic monitoring piles where the light ray emitted by the emitter is located, and the light ray emitted by the emitter is not directly above or directly below the light ray emitted by any light ray emitter between the two photovoltaic monitoring piles where the light ray emitted by the emitter is located; and the monitoring of the in-out position of the photovoltaic power station is realized.

In a preferred embodiment of the present invention, when K' ₁＝1,K′₂＝1,K′₃ =1:

The photovoltaic monitoring pile with the 1 st side is also provided with 1 pair of 1 st monitors; the 1 st monitor is 1 st monitor 1; the 1 st monitor 1 includes a 1 st transmitter 1 and a 1 st receiver 1; the 1 st emitter 1 emits a light ray which can only be received by the 1 st receiver 1, the 1 st emitter 1 emits a light ray which is parallel to other light rays between the photovoltaic monitoring piles where the 1 st edge is positioned, and the 1 st emitter 1 emits a light ray which is not right above or right below any other light ray between the photovoltaic monitoring piles where the 1 st edge is positioned; in general, the distance between the light emitted by the 1 st emitter 1 and the light emitted by the 1 st emitter 1 is l, the value of l is selected according to practical situations, the preferred l epsilon [2cm,4cm ] can be 3cm, and the distance between the light emitted by the 1 st emitter 1 and the ground is 55 cm-125 cm, the preferred 75cm; other sides are equally applicable.

The photovoltaic monitoring pile with the 2 nd side is also provided with 1 pair of 2 nd monitors; the 1 st monitor is the 2 nd monitor 1; the 2 nd monitor 1 includes a2 nd transmitter 1 and a2 nd receiver 1; the 2 nd emitter 1 emits a light ray which can only be received by the 2 nd receiver 1, the 2 nd emitter 1 emits a light ray which is parallel to other light rays between the photovoltaic monitoring piles where the 2 nd side is positioned, and the 2 nd emitter 1 emits a light ray which is not right above or right below any other light ray between the photovoltaic monitoring piles where the 2 nd side is positioned;

The photovoltaic monitoring pile with the 3 rd side is also provided with 1 pair of 3 rd monitors; the 1 st monitor is 3 rd monitor 1; the 3 rd monitor 1 comprises a3 rd transmitter 1 and a3 rd receiver 1; the 3 rd emitter 1 emits a light ray which can only be received by the 3 rd receiver 1, the 3 rd emitter 1 emits a light ray which is parallel to other light rays between the photovoltaic monitoring piles where the 3 rd side is positioned, and the 3 rd emitter 1 emits a light ray which is not right above or right below any other light ray between the photovoltaic monitoring piles where the 3 rd side is positioned;

Taking a 1 st photovoltaic monitoring pile and a 2 nd photovoltaic monitoring pile as examples, a 1 st light emitter 1, a 1 st light receiver 2, a 1 st emitter 1 and a 1 st controller are arranged on the 1 st photovoltaic monitoring pile, and a 1 st light emitter 2, a 1 st light receiver 1 and a 1 st receiver 1 are arranged on the 2 nd photovoltaic monitoring pile;

the 1 st light emitter 1 emits a light ray which can only be received by the 1 st light ray receiver 1, the 1 st light ray emitter 2 emits a light ray which can only be received by the 1 st light ray receiver 2, and the 1 st light ray emitter 1 emits a light ray which can only be received by the 1 st light ray receiver 1;

The 1 st light emitter 1 emits a light ray to be named as 1 st light ray, the 1 st light ray emitter 2 emits a light ray to be named as 2 nd light ray, and the 1 st light ray emitter 1 emits a light ray to be named as 3 rd light ray;

The 1 st light, the 2 nd light and the 3 rd light are parallel to each other, the 1 st light is right above the 2 nd light, and the horizontal distance between the 1 st light and the center of the photovoltaic power station is longer than the horizontal distance between the 3 rd light and the center of the photovoltaic power station;

The judgment of entering and leaving the photovoltaic power station can be achieved by:

the photovoltaic power station entering from outside comprises the following steps:

S-1, if the 1 st light receiver 1 does not receive the 1 st light and the 1 st receiver 1 receives the 3 rd light, executing the next step;

S-2, if the 1 st light receiver 1 does not receive the 1 st light and the 1 st receiver 1 does not receive the 3 rd light, executing the next step;

S-3, if the 1 st light receiver 1 receives the 1 st light and the 1 st receiver 1 does not receive the 3 rd light, executing the next step;

s-4, if the 1 st light receiver 1 receives the 1 st light and the 1 st light receiver 1 receives the 3 rd light, the photovoltaic power station is accessed from the outside.

The steps of the photovoltaic power station leaving from the inside are as follows:

S-1, if the 1 st receiver 1 does not receive the 3 rd light ray and the 1 st light ray receiver 1 receives the 1 st light ray, executing the next step;

s-2, if the 1 st receiver 1 does not receive the 3 rd light ray and the 1 st light ray receiver 1 does not receive the 1 st light ray, executing the next step;

S-3, if the 1 st receiver 1 receives the 3 rd light ray and the 1 st light ray receiver 1 does not receive the 1 st light ray, executing the next step;

S-4, if the 1 st receiver 1 receives the 3 rd light ray and the 1 st light ray receiver 1 receives the 1 st light ray, the photovoltaic power station is separated from the inside.

When K' ₁＝1,K′₂＝1,K′₃＝1,K′₄ =1:

The photovoltaic monitoring pile with the 1 st side is also provided with 1 pair of 1 st monitors; the 1 st monitor is 1 st monitor 1; the 1 st monitor 1 includes a1 st transmitter 1 and a1 st receiver 1; the 1 st emitter 1 emits a light ray which can only be received by the 1 st receiver 1, the 1 st emitter 1 emits a light ray which is parallel to other light rays between the photovoltaic monitoring piles where the 1 st edge is positioned, and the 1 st emitter 1 emits a light ray which is not right above or right below any other light ray between the photovoltaic monitoring piles where the 1 st edge is positioned;

The photovoltaic monitoring pile at the 4 th side is also provided with 1 pair of 4 th monitors; the 1 st monitor is the 4 th monitor 1; the 4 th monitor 1 includes a 4 th transmitter 1 and a 4 th receiver 1; the 4 th emitter 1 emits a light ray which can only be received by the 4 th receiver 1, the 4 th emitter 1 emits a light ray which is parallel to other light rays between the photovoltaic monitoring piles where the 4 th edge is located, and the 4 th emitter 1 emits a light ray which is not directly above or directly below any other light ray between the photovoltaic monitoring piles where the 4 th edge is located.

In a preferred embodiment of the invention, an mth PCB circuit board is arranged in the mth photovoltaic monitoring pile, M is a positive integer less than or equal to M, and an mth controller and an mth wireless data communication unit are arranged on the mth PCB circuit board;

the wireless communication end of the mth controller is connected with the data end of the mth wireless data communication unit, and the control end of the mth controller is connected with all light emitters or/and all emitters in the mth photovoltaic monitoring pile to control all light emitters or/and all emitters in the mth photovoltaic monitoring pile to emit one light; the timing end of the mth controller is connected with all light receivers or/and all receivers in the mth photovoltaic monitoring pile, and the time from the time when the light is received to the time when the light is not received by all the light receivers or/and all the receivers in the mth photovoltaic monitoring pile is recorded; here, the number of the timing ends of the m "th controller is determined according to the number of all the light receivers or/and all the receivers in the m" th photovoltaic monitoring pile, and the number of all the light receivers in the m "th photovoltaic monitoring pile is assumed to be K' _m″, and K" _m″ light receivers are named as light receiver 1, light receiver 2, light receivers 3, … … and light receiver K "_m″ respectively, the 1 st timing end of the m" th controller is connected with the light receiver 1, the 2 nd timing end of the m "th controller is connected with the light receiver 2, the 3 rd timing end of the m" th controller is connected with the light receiver 3, … …, and the K "_m″ timing end of the m" controller is connected with the light receiver K "_m″; also assume that the number of all light receivers in the mth photovoltaic monitoring pile is K _m″, the number of the receivers is 1, at this time, the K '_m″_′ light receivers and the 1 receiver are named as light receiver 1, light receiver 2, light receivers 3 and … …, light receiver K' _m″_′ and light receiver 1 respectively, the 1 st timing end of the mth controller is connected with the light receiver 1, the 2 nd timing end of the mth controller is connected with the light receiver 2, the 3 rd timing end of the mth controller is connected with the light receiver 3, … …, and the K '_m″_′ timing end of the mth controller is connected with the light receiver K' _m″_′; the K _m″_′ +1 timing end of the m' th controller is connected with the receiver 1;

And the communication between the mth photovoltaic monitoring pile and the photovoltaic power grid platform is realized through the mth wireless data communication unit. The method comprises the steps that a1 st PCB circuit board is arranged in a1 st photovoltaic monitoring pile, and a1 st controller and a1 st wireless data communication unit are arranged on the 1 st PCB circuit board; the wireless communication end of the 1 st controller is connected with the data end of the 1 st wireless data communication unit, the control end of the 1 st controller is connected with all light emitters or/and all emitters in the 1 st photovoltaic monitoring pile, and all light emitters or/and all emitters in the 1 st photovoltaic monitoring pile are controlled to emit one light; the timing end of the 1 st controller is connected with all light receivers in the 1 st photovoltaic monitoring pile or/and all receivers, and the time from the time when the light is received to the time when the light is not received in the 1 st photovoltaic monitoring pile or/and all receivers are recorded; the 1 st photovoltaic monitoring pile is communicated with a photovoltaic power grid platform through a1 st wireless data communication unit;

A2 nd PCB circuit board is arranged in the 2 nd photovoltaic monitoring pile, and a2 nd controller and a2 nd wireless data communication unit are arranged on the 2 nd PCB circuit board; the wireless communication end of the 2 nd controller is connected with the data end of the 2 nd wireless data communication unit, the control end of the 2 nd controller is connected with all light emitters or/and all emitters in the 2 nd photovoltaic monitoring pile, and all light emitters or/and all emitters in the 2 nd photovoltaic monitoring pile are controlled to emit one light; the timing end of the 2 nd controller is connected with all the light receivers in the 2 nd photovoltaic monitoring pile or/and all the receivers, and the time from the time when the light is received to the time when the light is not received by all the light receivers in the 2 nd photovoltaic monitoring pile or/and all the receivers are recorded; the communication between the 2 nd photovoltaic monitoring pile and the photovoltaic power grid platform is realized through the 2 nd wireless data communication unit;

a3 rd PCB (printed circuit board) is arranged in the 3 rd photovoltaic monitoring pile, and a3 rd controller and a3 rd wireless data communication unit are arranged on the 3 rd PCB; the wireless communication end of the 3 rd controller is connected with the data end of the 3 rd wireless data communication unit, the control end of the 3 rd controller is connected with all light emitters or/and all emitters in the 3 rd photovoltaic monitoring pile, and all light emitters or/and all emitters in the 3 rd photovoltaic monitoring pile are controlled to emit one light; the timing end of the 3 rd controller is connected with all light receivers in the 3 rd photovoltaic monitoring pile or/and all receivers, and the time from the time when the light is received to the time when the light is not received in the 3 rd photovoltaic monitoring pile is recorded; the 3 rd photovoltaic monitoring pile is communicated with a photovoltaic power grid platform through a3 rd wireless data communication unit;

……；

An Mth PCB circuit board is arranged in the Mth photovoltaic monitoring pile, and an Mth controller and an Mth wireless data communication unit are arranged on the Mth PCB circuit board;

The wireless communication end of the M controller is connected with the data end of the M wireless data communication unit, and the control end of the M controller is connected with all light emitters or/and all emitters in the M photovoltaic monitoring pile and controls all light emitters or/and all emitters in the M photovoltaic monitoring pile to emit a light; the timing end of the Mth controller is connected with all light receivers in the Mth photovoltaic monitoring pile or/and all receivers, and the time from when the light is received to when the light is not received in the Mth photovoltaic monitoring pile is recorded; and the communication between the Mth photovoltaic monitoring pile and the photovoltaic power grid platform is realized through the Mth wireless data communication unit.

In a preferred embodiment of the present invention, the mth "wireless data communication unit is one of or any combination of an mth" 3G wireless data communication unit, an mth "4G wireless data communication unit, an mth" 5G wireless data communication unit;

the 3G wireless communication end of the mth controller is connected with the data end of the mth 3G wireless data communication unit, the 4G wireless communication end of the mth controller is connected with the data end of the mth 4G wireless data communication unit, and the 5G wireless communication end of the mth controller is connected with the data end of the mth 5G wireless data communication unit.

In a preferred embodiment of the present invention, in the case of 4-sided shapes, the 1 st photovoltaic monitoring pile and the 2 nd photovoltaic monitoring pile are 2 vertexes, the 1 st sided, the 2 nd photovoltaic monitoring pile and the 3 rd photovoltaic monitoring pile are 2 vertexes, the 2 nd sided, the 3 rd photovoltaic monitoring pile and the 4 th photovoltaic monitoring pile are 2 vertexes, the 3 rd sided, the 4 th photovoltaic monitoring pile and the 1 st photovoltaic monitoring pile are 2 vertexes, and the 4 th sided;

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. An online real-time safety monitoring method for a photovoltaic power station is characterized by comprising the following steps of:

s2, checking the crossing position on the photovoltaic power grid platform.

2. The online real-time safety monitoring method for a photovoltaic power plant according to claim 1, wherein in step S2, the generation manner of the crossing position comprises the steps of:

3. The on-line real-time safety monitoring method for a photovoltaic power plant according to claim 2, further comprising step S20, before step S21, wherein the photovoltaic power grid platform sends a light emission work request to the M photovoltaic monitoring piles, and after the M photovoltaic monitoring piles receive the light emission work request sent by the photovoltaic power grid platform, the light emitters on the M photovoltaic monitoring piles emit light.

4. The on-line real-time safety monitoring method for a photovoltaic power plant according to claim 1, characterized in that when m=4, k ₁＝2,K₂＝2,K₃＝2,K₄ =2:

5. The on-line real-time safety monitoring method for photovoltaic power plants according to claim 1, characterized in that when m=3, k ₁＝2,K₂＝2,K₃ =2:

6. The on-line real-time safety monitoring method for a photovoltaic power plant according to claim 2, wherein in step S23, when M is 4, there are a 1 st photovoltaic monitoring post, a2 nd photovoltaic monitoring post, a3 rd photovoltaic monitoring post and a 4 th photovoltaic monitoring post;

v represents the speed of the light;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

Wherein t' ₀ represents the time of crossing between the 2 nd photovoltaic monitoring post and the 3 rd photovoltaic monitoring post;

s' ₁ represents the distance between the crossing point and the 2 nd photovoltaic monitoring post;

v represents the speed of the light;

t' ₁ represents the time when the 2 nd light receiver 2 does not receive light;

t' ₂ represents the time when the 2 nd light receiver 1 does not receive light;

Wherein t' ₀ represents the time of crossing between the 3 rd photovoltaic monitoring post and the 4 th photovoltaic monitoring post;

v represents the speed of the light;

s' ₂ represents the distance between the crossing point and the 4 th photovoltaic monitoring post;

Wherein t' "₀ represents the time of crossing between the 4 th photovoltaic monitoring stake and the 1 st photovoltaic monitoring stake;

s' "₁ represents the distance between the crossing point and the 4 th photovoltaic monitoring post;

v represents the speed of the light;

t' "₁ represents the time when the 4 th light receiver 2 does not receive light;

s' "₂ represents the distance between the crossing point and the 1 st photovoltaic monitoring post;

t' "₂ represents the time when the 4 th light receiver 1 does not receive light;

7. The on-line real-time safety monitoring method for a photovoltaic power plant according to claim 2, wherein in step S23, when M is 3, there are a 1 st photovoltaic monitoring post, a2 nd photovoltaic monitoring post and a3 rd photovoltaic monitoring post;

v represents the speed of the light;

t ₂ represents a time when the 1 st light receiver 1 does not receive light;

v represents the speed of the light;