A solar photovoltaic power station remote management and control system and method

Abstract

The present invention relates to a remote management and control system for a solar photovoltaic power station, comprising a communication network, a remote monitoring server, an on-site monitoring terminal, and an on-site coordination system. The on-site coordination systems establish data connections with the remote monitoring server via the communication network. In addition, each on-site coordination system establishes data connections with a number of on-site monitoring terminals via the communication network, and each photovoltaic power generation panel is connected to an on-site monitoring terminal. The method of use includes three steps: system configuration, operation status monitoring, and equipment management. The system of the present invention has good versatility in operation. While meeting the requirements of monitoring the operation status of the power generation of the solar photovoltaic power station, it can also monitor the operation status of each photovoltaic power generation panel and clean each photovoltaic power generation panel, thereby achieving the purpose of improving the management efficiency and quality of the solar power station and reducing the labor intensity and cost of the staff.

Description

Technical Field

[0001] The present invention relates to a remote management and control system and method for a solar photovoltaic power station, belonging to the technical field of photovoltaic power stations. Background Art

[0002] During the operation of a solar photovoltaic power station, its efficiency is easily affected by factors such as the angle and duration of sunlight exposure to each panel, as well as the panel surface cleanliness and ambient temperature. This is particularly true when dust adheres to the panels, or when ice and frost form on the panels due to low temperatures. However, due to the large number of panels, large scale, and geographically dispersed nature of current photovoltaic power stations, monitoring and maintenance work is significantly inconvenient for staff, leading to high operational costs and labor intensity. To address this issue, a variety of solar photovoltaic power station management systems have been developed, such as the "Solar Photovoltaic Power Station Remote Management and Control System" with patent application number "201010616030.7" and the "Solar Photovoltaic Power Station Remote Management and Control System" with patent application number "201610548128.0". However, these current solar photovoltaic power station management systems are often only able to detect power generation, power generation equipment operating efficiency, etc., but are unable to effectively and accurately monitor the working status of each photovoltaic panel, nor can they effectively clean the photovoltaic panels according to usage needs, thereby affecting the efficiency and effectiveness of solar photovoltaic power station supervision operations.

[0003] Therefore, based on the defects of current mobile transaction activities, it is necessary to develop a remote management and control system and method for solar photovoltaic power stations to meet the needs of actual use. Summary of the Invention

[0004] In view of the deficiencies in the prior art, the present invention provides a solar photovoltaic power station remote management and control system and method to overcome the above defects and meet the needs of actual equipment operation.

[0005] In order to achieve the above object, the present invention is implemented through the following technical solutions:

[0006] A solar photovoltaic power station remote management and control system includes a communication network, a remote monitoring server, an on-site monitoring terminal, and an on-site coordination system, wherein there are several on-site coordination systems, each of which establishes a data connection with the remote monitoring server through the communication network, and at the same time, each of the on-site coordination systems establishes a data connection with each other through the communication network, and forms at least two service local area networks. In addition, each on-site coordination system establishes a data connection with several on-site monitoring terminals through the communication network, and at the same time, the on-site coordination system is connected to each on-site monitoring terminal connected to it through a diversion pipe. The number of on-site monitoring terminals is consistent with the number of photovoltaic panels, and each photovoltaic panel is connected to a on-site monitoring terminal; there is at least one remote monitoring server, which establishes a data connection with the solar photovoltaic power station management platform through the communication network; the on-site coordination system includes a support frame, a partition, a communication gateway, a shunt pipe, a multi-way valve, a booster Pump, control valve, guide pipe, pressure sensor and main control circuit, wherein the supporting frame is a frame structure with a rectangular axial cross-section, a partition is provided inside the supporting frame, and the supporting frame is divided from top to bottom into a communication chamber and an operating chamber by the partition, wherein there is at least one communication gateway, and it and the main control circuit are both located in the communication chamber, the diverter pipe, multi-way valve and booster pump are all located in the operating chamber, the booster pump is connected to the external equipment and the multi-way valve respectively through the guide pipe, there is at least one multi-way valve, and each multi-way valve is connected to several diverter pipes, the diverter pipe is further connected to each on-site monitoring terminal through the guide pipe, and the diverter pipe and the guide pipe are connected through the control valve, a pressure sensor is provided on the guide pipe connected to the output end of the booster pump and the guide pipe connected to the on-site monitoring terminal, the communication gateway, multi-way valve, booster pump, control valve and pressure sensor are all electrically connected to the main control circuit, and a data connection is established between the communication gateway and the communication network.

[0007] Further, the on-site monitoring terminal includes a bearing base, a drainage pipe, an electric heating wire, a temperature and humidity sensor, a gyroscope detection mechanism, a light intensity sensor, a connecting pipe head, a terminal block, and a driving circuit. The bearing base is a trough-shaped frame structure with a "U" cross-section, and the bearing base is wrapped outside the top of the photovoltaic panel and is parallel to the top of the photovoltaic panel. The drainage pipe is embedded in the bearing base, is parallel to the upper surface of the photovoltaic panel, and is located at least 5 mm above the upper surface of the photovoltaic panel. One end of the drainage pipe is connected to the diversion pipe of the on-site coordination system through the connecting pipe head. At the same time, an electric heating wire is arranged along the axial direction of the drainage pipe. The electric heating wire is electrically connected to the driving circuit through the terminal block, and the terminal block is connected to the bearing base. At the same time, a plurality of drainage holes are evenly distributed on the pipe wall of the drainage pipe. The drainage holes are distributed along the axial direction of the drainage pipe, and their axes intersect with the upper surface of the photovoltaic panel and form an angle of 30°-90°. A temperature and humidity sensor, a gyroscope detection mechanism, and two light intensity sensors are arranged on the upper end surface of the bearing base. At the same time, the two light intensity sensors are symmetrically distributed at the left end surface and the right end surface positions of the bearing base. At the same time, the electric heating wire, the temperature and humidity sensor, the gyroscope detection mechanism, and the light intensity sensor are all electrically connected to the driving circuit through the terminal block. The driving circuit is connected to the outer surface of the bearing base and is electrically connected to the communication network through the terminal block on the one hand and to the on-site coordination system on the other hand.

[0008] Further, the bearing base includes a connecting plate, an adjusting screw, a positioning clamp, a guiding chute, and a positioning pin. The connecting plate is a trough-shaped structure with an "L" cross-section, and there are two connecting plates in total. The two connecting plates are connected by at least one adjusting screw to form a trough-shaped frame structure with a "U" cross-section. At least one positioning clamp is arranged at the bottom of the groove of the connecting plate and is connected to the drainage pipe through the positioning clamp. At the same time, a guiding chute is arranged on the side wall of the connecting plate and is slidably connected to the outer side surface of the photovoltaic panel through the guiding chute. At least one positioning pin is arranged on the guiding chute, and the guiding chute is connected to the photovoltaic panel through the positioning pin.

[0009] Further, the drainage pipe includes a pipe body, a sealing plug, a wire passing hole, and a hard insulating pad. The pipe body is a hollow tubular structure with a circular or rectangular cross-section. The two ends of the pipe body are respectively connected to the sealing plug to form a closed cavity structure. A connecting pipe head is arranged on the sealing plug and is connected to the diversion pipe through the connecting pipe head. At the same time, a wire passing hole is arranged on the sealing plug, and the wire connected to the electric heating wire is electrically connected to the terminal block through the wire passing hole. There are at least two hard insulating pads, which are embedded in the pipe body and are evenly distributed along the axial direction of the pipe body. The electric heating wire is located in the pipe body, and its axis is parallel to the axis of the pipe body and is connected to the pipe body through the hard insulating pad. The distance between the electric heating wire and the pipe wall of the pipe body on the side close to the drainage hole is 20%-50% of the pipe diameter.

[0010] Furthermore, the gyroscope detection mechanism includes a protective shell, a gimbal stabilizer, a counterweight, and a gyroscope sensor, wherein the protective shell is a closed cavity structure with a rectangular cross-section, the gyroscope sensor is located in the protective shell, the lower end surface of the protective shell is connected to the upper end surface of the supporting base, the upper end surface of the protective shell is connected to the gimbal stabilizer and is coaxially distributed, and at the same time, the protective shell is connected to the counterweight through the gimbal stabilizer, and the axis of the counterweight is distributed perpendicular to the horizontal plane, and the gimbal stabilizer and the gyroscope sensor are electrically connected to the drive circuit through wiring terminals respectively.

[0011] Furthermore, the driving circuit is a circuit system based on any one of a DSP chip and an FPGA chip.

[0012] Furthermore, the remote monitoring server is a computer server system based on either one of cloud computing and big data platforms or a combination of both; the main control circuit is a circuit system based on an industrial computer.

[0013] Furthermore, the main control circuit is further provided with a plurality of mobile control platforms based on mobile communication terminals, and each mobile control platform establishes a data connection with the main control circuit via a communication network.

[0014] A method for using a remote management and control system for a solar photovoltaic power station comprises the following steps:

[0015] S1, system configuration. First, the specific number and equipment structure of photovoltaic panels in the solar photovoltaic power station to be managed are determined. Then, the number and layout locations of on-site coordination systems are set; the equipment structure of on-site monitoring terminals is set. Finally, based on the number and distribution locations of on-site monitoring terminals and on-site coordination systems, a communication network and remote monitoring server are deployed in the solar photovoltaic power station to be managed. Then, data connections are established between the remote monitoring server, on-site monitoring terminals, and on-site coordination systems via the communication network. At the same time, the on-site coordination system is connected to the external high-pressure fluid medium supply system. This completes the configuration of the remote management and control system of the solar photovoltaic power station.

[0016] S2, operation status monitoring. After completing step S1, the solar photovoltaic power station remote management and control system operates synchronously with the managed solar photovoltaic power station. On the one hand, each on-site monitoring terminal detects the working angle, direction, lighting conditions, and working environment temperature and humidity conditions of the photovoltaic panels connected to it; on the other hand, the remote monitoring server detects the power generation and power generation efficiency of the managed solar photovoltaic power station.

[0017] S3, equipment management. During the operation of step S2, on the one hand, the on-site coordination system regularly sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel; on the other hand, when the on-site monitoring terminal detects that the working position of the photovoltaic panel is in a high temperature state and the surface is frozen, the on-site coordination system sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel.

[0018] Furthermore, the method for using the solar photovoltaic power station remote management and control system includes the following steps: In step S1, the medium provided by the external high-pressure fluid medium supply system is any one of a gas medium and a liquid medium, or both.

[0019] The system of the present invention has a high degree of integration and modularization, which can effectively meet the needs of remote monitoring, management and measurement operations of structural types of solar photovoltaic power stations. The system has good versatility in operation and can flexibly adjust the system structure according to work needs. At the same time, during operation, while meeting the monitoring of the power generation operation status of the solar photovoltaic power station, it can also monitor the operation status of each photovoltaic power generation panel and clean each photovoltaic power generation panel, thereby achieving the purpose of improving the management efficiency and quality of the solar power station and reducing the labor intensity and cost of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.

[0021] Figure 1 It is a schematic diagram of the structure of the present invention;

[0022] Figure 2 This is a schematic diagram of the local structure of the on-site coordination system;

[0023] Figure 3 This is a schematic diagram of the local structure when the on-site monitoring terminal is connected to the photovoltaic panel;

[0024] Figure 4 This is a schematic diagram of the local structure when looking down at the on-site monitoring terminal;

[0025] Figure 5 Schematic diagram of the cross-sectional structure of the drainage tube;

[0026] Figure 6 It is a schematic diagram of the local structure of the gyroscope detection mechanism;

[0027] Figure 7 The figure is a flow chart of the method for using the present invention. DETAILED DESCRIPTION

[0028] In order to make the technical means, creative features, objectives and effects of the present invention easier to understand, the following

[0029] The present invention is further described with reference to specific embodiments.

[0030] like Figure 1-6 As shown, a remote management and control system for a solar photovoltaic power station includes a communication network 1, a remote monitoring server 2, a field monitoring terminal 3, and a field coordination system 4, wherein there are several field coordination systems 4, each of which establishes a data connection with the remote monitoring server 2 via the communication network 1. At the same time, each of the field coordination systems 4 also establishes a data connection via the communication network 1, and constitutes at least two service local area networks. In addition, each of the field coordination systems 4 establishes a data connection with several field monitoring terminals 3 via the communication network 1, and at the same time, the field coordination system 4 is connected to each of the field monitoring terminals 3 connected to it via a diversion pipe. The number of field monitoring terminals 3 is consistent with the number of photovoltaic panels, and each photovoltaic panel is connected to a field monitoring terminal 3; there is at least one remote monitoring server 2, which establishes a data connection with the solar photovoltaic power station management platform via the communication network 1;

[0031] In this embodiment, the on-site coordination system 4 includes a supporting frame 41, a partition 42, a communication gateway 43, a shunt pipe 44, a multi-way valve 45, a booster pump 46, a control valve 47, a guide pipe 48, a pressure sensor 40 and a main control circuit 40, wherein the supporting frame 41 is a frame structure with a rectangular axial cross-section, a partition 42 is arranged inside the supporting frame 41, and the supporting frame 41 is divided from top to bottom into a communication chamber 401 and an operating chamber 402 by the partition 42, wherein there is at least one communication gateway 43, and both the communication gateway and the main control circuit 40 are located in the communication chamber 401, the shunt pipe 44, the multi-way valve 45, and the booster pump 46 are all located in the operating chamber 402, and the booster pump 46 is connected to the main control circuit 40. The diversion pipe 48 is connected to the external equipment and the multi-way valve 45 respectively. There is at least one multi-way valve 45, and each multi-way valve 45 is connected to several diversion pipes 44. The diversion pipe 44 is also connected to each on-site monitoring terminal 3 through the diversion pipe 48, and the diversion pipe 44 and the diversion pipe 48 are connected through the control valve 47. A pressure sensor 40 is provided on the diversion pipe 48 connected to the output end of the booster pump 46 and the diversion pipe 48 connected to the on-site monitoring terminal 3. The communication gateway 43, the multi-way valve 45, the booster pump 46, the control valve 47 and the pressure sensor 40 are all electrically connected to the main control circuit 40. At the same time, the communication gateway 43 establishes a data connection with the communication network 1.

[0032] The booster pump installed can adjust the pressure of the external fluid medium. On the one hand, it uses the high-pressure fluid medium to clean the pollutants attached to the surface of the photovoltaic panels; on the other hand, by adjusting the pressure, it can effectively transport the fluid medium to photovoltaic panels at different positions while maintaining a stable pressure.

[0033] It should be emphasized that the on-site monitoring terminal 3 includes a bearing base 31, a drainage pipe 32, an electric heating wire 33, a temperature and humidity sensor 34, a gyroscope detection mechanism 35, a light intensity sensor 36, a connecting pipe head 37, a terminal block 38, and a driving circuit 39. The bearing base 31 has a cross-section in the shape of a "U"-shaped trough-like frame structure, and the bearing base 31 is wrapped outside the top of the photovoltaic power generation panel and is distributed parallel to the top of the photovoltaic power generation panel. The drainage pipe 32 is embedded in the bearing base 31, is distributed parallel to the upper surface of the photovoltaic power generation panel, and is located at least 5 mm above the upper surface of the photovoltaic power generation panel. One end of the drainage pipe 32 is connected to the diversion pipe 48 of the on-site coordination system 4 through the connecting pipe head 37. At the same time, an electric heating wire 33 distributed along the axis direction is provided inside the drainage pipe 32. The electric heating wire 33 is electrically connected to the driving circuit 39 through the terminal block 38, and the terminal block 38 is connected to the bearing base 31. At the same time, a plurality of drainage holes 30 are evenly distributed on the pipe wall of the drainage pipe 32. Each drainage hole 30 is distributed along the axis direction of the drainage pipe 32, and its axis intersects with the upper surface of the photovoltaic power generation panel and forms an angle of 30° - 90°. Another temperature and humidity sensor 34, a gyroscope detection mechanism 35, and two light intensity sensors 36 are provided on the upper end surface of the bearing base 31. At the same time, the two light intensity sensors 36 are symmetrically distributed at the left end surface and the right end surface positions of the bearing base 31. At the same time, the electric heating wire 33, the temperature and humidity sensor 34, the gyroscope detection mechanism 35, and the light intensity sensor 36 are all electrically connected to the driving circuit 39 through the terminal block 38. The driving circuit 39 is connected to the outer surface of the bearing base 31, and through the terminal block 38, on the one hand, it establishes a data connection with the communication network 1, and on the other hand, it is electrically connected to the on-site coordination system 4.

[0034] The electric heating wire provided can heat-treat the fluid medium transported by the on-site coordination system, and use the high-temperature and high-pressure fluid medium to clean the pollutants on the surface of the photovoltaic power generation panel, especially to efficiently clean the pollutants such as ice and frost.

[0035] The temperature and humidity sensor provided can detect the temperature and humidity on the surface of the photovoltaic power generation panel, and can assist in monitoring the icing state when the temperature is below 0°C and the surface water content is large.

[0036] The light intensity sensor provided can assist in detecting the light intensity received on the surface of the photovoltaic power generation panel.

[0037] The gyroscope detection mechanism provided can detect the rotation angle and orientation of the photovoltaic power generation panel.

[0038] Thus, it meets the need for detecting the operating environment parameters of the photovoltaic power generation panel.

[0039] Among them, the bearing base 31 includes a connecting plate 311, an adjusting screw 312, a positioning clamp 313, a guiding chute 314, and a positioning pin 315. The connecting plate 311 has a cross-section in the shape of an "L"-shaped groove structure, and there are two connecting plates 311 in total. The two connecting plates 311 are connected by at least one adjusting screw 312 to form a frame structure with a cross-section in the shape of a "凵". At least one positioning clamp 313 is provided at the bottom of the groove of the connecting plate 311, and it is connected to the drainage pipe 32 through the positioning clamp 313. At the same time, a guiding chute 314 is provided on the side wall of the connecting plate 311, and it is slidably connected to the outer side of the photovoltaic panel through the guiding chute 314. At least one positioning pin 315 is provided on the guiding chute 314, and the guiding chute 314 is connected to the photovoltaic panel through the positioning pin 315.

[0040] Adopting the connection structure of the connecting plate and the adjusting screw for the bearing base can effectively adjust the width of the bearing base, so as to effectively meet the needs of supporting photovoltaic panels with different structural dimensions.

[0041] At the same time, the provided positioning clamp can effectively meet the need for rapid assembly and positioning of the drainage pipe; the provided guiding chute and positioning pin can meet the need for rapid assembly and positioning between the bearing base and the photovoltaic panel, so as to achieve the purpose of improving the installation and positioning efficiency and convenience of the on-site monitoring terminal and the photovoltaic panel.

[0042] At the same time, the drainage pipe 32 includes a pipe body 321, a sealing plug 322, a wire passing hole 323, and a hard insulating pad 324. The pipe body 321 has a hollow tubular structure with a cross-section in any one of a circular shape and a rectangular shape. The two ends of the pipe body 321 are respectively connected to the sealing plug 322 to form a closed cavity structure. A connecting pipe head 37 is provided on the sealing plug 322, and it is connected to the diversion pipe 48 through the connecting pipe head 37. At the same time, a wire passing hole 323 is provided on the sealing plug 322, and the wire connected to the electric heating wire 33 is electrically connected to the wiring terminal 38 through the wire passing hole 323. There are at least two hard insulating pads 324, which are embedded in the pipe body 321 and evenly distributed along the axial direction of the pipe body 321. The electric heating wire 33 is located in the pipe body 321, and its axis is parallel to the axis of the pipe body 321 and is connected to the pipe body 321 through the hard insulating pad 324. The distance between the electric heating wire 33 and the pipe wall of the pipe body 321 near the drainage hole 30 is 20% - 50% of the diameter of the pipe body 321.

[0043] In addition, the gyroscope detection mechanism 35 includes a protective shell 351, a gimbal stabilizer 352, a counterweight 353, and a gyroscope sensor 354, wherein the protective shell 351 is a closed cavity structure with a rectangular cross-section, and the gyroscope sensor 354 is located in the protective shell 351, the lower end surface of the protective shell 351 is connected to the upper end surface of the supporting base 31, and the upper end surface of the protective shell 351 is connected to the gimbal stabilizer 352 and coaxially distributed. At the same time, the protective shell 351 is connected to the counterweight 353 through the gimbal stabilizer 352, and the axis of the counterweight 353 is distributed perpendicular to the horizontal plane. The gimbal stabilizer 352 and the gyroscope sensor 351 are respectively electrically connected to the drive circuit 39 through the wiring terminal 38.

[0044] During operation, on the one hand, the rotation direction and angle of the photovoltaic panel are accurately detected through the gyroscope sensor; on the other hand, the gimbal stabilizer is set up to keep the axis positioning of the counterweight stable while adjusting synchronously with the photovoltaic panel, and the operating adjustment parameters of the gimbal stabilizer assist in monitoring the operating adjustment status of the photovoltaic panel.

[0045] Further optimized, the driving circuit 39 is a circuit system based on any one of a DSP chip and an FPGA chip.

[0046] In this embodiment, the remote monitoring server 2 is a computer server system based on either one of cloud computing and big data platforms or a combination of both; the main control circuit 40 is a circuit system based on an industrial computer.

[0047] In this embodiment, the main control circuit 40 is further provided with a plurality of mobile control platforms 49 based on mobile communication terminals, and each mobile control platform 49 establishes a data connection with the main control circuit 40 via the communication network 1 .

[0048] like Figure 7 As shown, a method for using a remote management and control system for a solar photovoltaic power station includes the following steps:

[0049] S1, system configuration. First, the specific number and equipment structure of photovoltaic panels in the solar photovoltaic power station to be managed are determined. Then, the number and layout locations of on-site coordination systems are set; the equipment structure of on-site monitoring terminals is set. Finally, based on the number and distribution locations of on-site monitoring terminals and on-site coordination systems, a communication network and remote monitoring server are deployed in the solar photovoltaic power station to be managed. Then, data connections are established between the remote monitoring server, on-site monitoring terminals, and on-site coordination systems via the communication network. At the same time, the on-site coordination system is connected to the external high-pressure fluid medium supply system. This completes the configuration of the remote management and control system of the solar photovoltaic power station.

[0050] S2, operation status monitoring. After completing step S1, the solar photovoltaic power station remote management and control system operates synchronously with the managed solar photovoltaic power station. On the one hand, each on-site monitoring terminal detects the working angle, direction, lighting conditions, and working environment temperature and humidity conditions of the photovoltaic panels connected to it; on the other hand, the remote monitoring server detects the power generation and power generation efficiency of the managed solar photovoltaic power station.

[0051] S3, equipment management. During the operation of step S2, on the one hand, the on-site coordination system regularly sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel; on the other hand, when the on-site monitoring terminal detects that the working position of the photovoltaic panel is in a high temperature state and the surface is frozen, the on-site coordination system sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel.

[0052] In this embodiment, the method for using the solar photovoltaic power station remote management and control system includes the following steps: In step S1, the medium provided by the external high-pressure fluid medium supply system is any one of a gas medium and a liquid medium, or both.

[0053] Further optimized, the gas medium is any one of nitrogen and carbon dioxide gas or both; the liquid medium is any one of deionized water and liquid alcohol.

[0054] The system of the present invention has a high degree of integration and modularization, which can effectively meet the needs of remote monitoring, management and measurement operations of structural types of solar photovoltaic power stations. The system has good versatility in operation and can flexibly adjust the system structure according to work needs. At the same time, during operation, while meeting the monitoring of the power generation operation status of the solar photovoltaic power station, it can also monitor the operation status of each photovoltaic power generation panel and clean each photovoltaic power generation panel, thereby achieving the purpose of improving the management efficiency and quality of the solar power station and reducing the labor intensity and cost of the staff.

[0055] Those skilled in the art will appreciate that the present invention is not limited to the foregoing embodiments. The foregoing embodiments and description are merely illustrative of the principles of the present invention. Various modifications and improvements may be made to the present invention without departing from the spirit and scope of the present invention. Such modifications and improvements are intended to fall within the scope of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A remote management and control system for a solar photovoltaic power station, characterized by: The solar photovoltaic power station remote management and control system includes a communication network, a remote monitoring server, an on-site monitoring terminal, and an on-site coordination system, wherein there are several on-site coordination systems, each of which establishes a data connection with the remote monitoring server through the communication network, and at the same time, each of the on-site coordination systems establishes a data connection through the communication network, and constitutes at least two service local area networks. In addition, each on-site coordination system establishes a data connection with several on-site monitoring terminals through the communication network, and at the same time, the on-site coordination system is connected to each on-site monitoring terminal connected to it through a diversion pipe. The number of on-site monitoring terminals is consistent with the number of photovoltaic panels, and each photovoltaic panel is connected to a on-site monitoring terminal; there is at least one remote monitoring server, which establishes a data connection with the solar photovoltaic power station management platform through the communication network; the on-site coordination system includes a supporting frame, a partition, a communication gateway, a shunt pipe, a multi-way valve, a booster pump, a control valve , a flow guide pipe, a pressure sensor and a main control circuit, wherein the supporting frame is a frame structure with a rectangular axial cross-section, a partition is provided in the supporting frame, and the supporting frame is divided from top to bottom into a communication chamber and an operating chamber by the partition, wherein the communication gateway is at least one, and is located in the communication chamber with the main control circuit, the shunt pipe, the multi-way valve, and the booster pump are all located in the operating chamber, wherein the booster pump is respectively connected to the external equipment and the multi-way valve through the flow guide pipe, there is at least one multi-way valve, and each multi-way valve is connected to a number of shunt pipes, the shunt pipe is further connected to each on-site monitoring terminal through the flow guide pipe, and the shunt pipe and the flow guide pipe are connected through a control valve, a pressure sensor is provided on the flow guide pipe connected to the output end of the booster pump and the shunt pipe connected to the on-site monitoring terminal, the communication gateway, the multi-way valve, the booster pump, the control valve and the pressure sensor are all electrically connected to the main control circuit, and a data connection is established between the communication gateway and the communication network; The described on-site monitoring terminal includes a bearing base, a drainage pipe, an electric heating wire, a temperature and humidity sensor, a gyroscope detection mechanism, a light intensity sensor, a connecting pipe head, a terminal block, and a drive circuit. The bearing base has a cross-section in a "U"-shaped trough-like frame structure and is wrapped around the top of the photovoltaic power generation panel and parallel to the top of the photovoltaic power generation panel. The drainage pipe is embedded in the bearing base, parallel to the upper surface of the photovoltaic power generation panel, and is located at least 5 mm above the upper surface of the photovoltaic power generation panel. One end of the drainage pipe is connected to the diversion pipe of the on-site coordination system through the connecting pipe head. At the same time, an electric heating wire distributed along the axis direction is provided inside the drainage pipe. The electric heating wire is electrically connected to the drive circuit through the terminal block, and the terminal block is connected to the bearing base. At the same time, a plurality of drainage holes are evenly distributed on the pipe wall of the drainage pipe. Each drainage hole is distributed along the axis direction of the drainage pipe, and its axis intersects with the upper surface of the photovoltaic power generation panel and forms an angle of 30° - 90°. A temperature and humidity sensor, a gyroscope detection mechanism, and two light intensity sensors are provided on the upper end surface of the bearing base. At the same time, the two light intensity sensors are symmetrically distributed at the left end surface and the right end surface positions of the bearing base. At the same time, the electric heating wire, the temperature and humidity sensor, the gyroscope detection mechanism, and the light intensity sensor are all electrically connected to the drive circuit through the terminal block. The drive circuit is connected to the outer surface of the bearing base and, through the terminal block, establishes a data connection with the communication network on the one hand and is electrically connected to the on-site coordination system on the other hand.

2. A solar photovoltaic power station remote management and control system according to claim 1, characterized in that: The described bearing base includes a connecting plate, an adjusting screw, a positioning clamp, a guiding chute, and a positioning pin. The connecting plate has a cross-section in an "L"-shaped trough-like structure, and there are two connecting plates in total. The two connecting plates are connected by at least one adjusting screw to form a cross-section in a "U"-shaped frame structure. At least one positioning clamp is provided at the bottom of the groove of the connecting plate and is connected to the drainage pipe through the positioning clamp. At the same time, a guiding chute is provided on the side wall of the connecting plate and is slidably connected to the outer side surface of the photovoltaic power generation panel through the guiding chute. At the same time, at least one positioning pin is provided on the guiding chute, and the guiding chute is connected to the photovoltaic power generation panel through the positioning pin.

3. A solar photovoltaic power station remote management and control system according to claim 1, characterized in that: The described drainage pipe includes a pipe body, a sealing plug, a wire passing hole, and a hard insulating pad. The pipe body has a hollow tubular structure with a cross-section being any one of a circle and a rectangle. Both ends of the pipe body are connected to the sealing plug to form a closed cavity structure. A connecting pipe head is provided on the sealing plug and is connected to the diversion pipe through the connecting pipe head. At the same time, a wire passing hole is provided on the sealing plug, and the wire connected to the electric heating wire is electrically connected to the terminal block through the wire passing hole. There are at least two hard insulating pads, which are embedded in the pipe body and evenly distributed along the axis direction of the pipe body. The electric heating wire is located inside the pipe body, and its axis is parallel to the axis of the pipe body and is connected to the pipe body through the hard insulating pad. The distance between the electric heating wire and the pipe wall of the pipe body on the side close to the drainage hole is 20% - 50% of the pipe diameter.

4. A solar photovoltaic power station remote management and control system according to claim 1, characterized in that: The gyroscope detection mechanism includes a protective shell, a gimbal stabilizer, a counterweight, and a gyroscope sensor, wherein the protective shell is a closed cavity structure with a rectangular cross-section, the gyroscope sensor is located in the protective shell, the lower end surface of the protective shell is connected to the upper end surface of the supporting base, the upper end surface of the protective shell is connected to the gimbal stabilizer and is coaxially distributed, and at the same time, the protective shell is connected to the counterweight through the gimbal stabilizer, and the axis of the counterweight is distributed perpendicular to the horizontal plane, and the gimbal stabilizer and the gyroscope sensor are electrically connected to the drive circuit through wiring terminals respectively.

5. A solar photovoltaic power station remote management and control system according to claim 1, characterized in that: The driving circuit is a circuit system based on any one of a DSP chip and an FPGA chip.

6. A solar photovoltaic power station remote management and control system according to claim 1, characterized in that: The remote monitoring server is a computer server system based on either one of cloud computing and big data platforms or a combination of both; the main control circuit is a circuit system based on an industrial computer.

7. A solar photovoltaic power station remote management and control system according to claim 1 or 6, characterized in that: The main control circuit is further provided with a plurality of mobile control platforms based on mobile communication terminals, and each mobile control platform establishes a data connection with the main control circuit via a communication network.

8. A solar photovoltaic power station remote management and control system according to claim 1 or 6, characterized in that: The method for using the solar photovoltaic power station remote management and control system includes the following steps: S1, system configuration. First, the specific number and equipment structure of photovoltaic panels in the solar photovoltaic power station to be managed are determined. Then, the number and layout locations of on-site coordination systems are set; the equipment structure of on-site monitoring terminals is set. Finally, based on the number and distribution locations of on-site monitoring terminals and on-site coordination systems, a communication network and remote monitoring server are deployed in the solar photovoltaic power station to be managed. Then, data connections are established between the remote monitoring server, on-site monitoring terminals, and on-site coordination systems via the communication network. At the same time, the on-site coordination system is connected to the external high-pressure fluid medium supply system. This completes the configuration of the remote management and control system of the solar photovoltaic power station. S2, operation status monitoring. After completing step S1, the solar photovoltaic power station remote management and control system operates synchronously with the managed solar photovoltaic power station. On the one hand, each on-site monitoring terminal detects the working angle, direction, lighting conditions, and working environment temperature and humidity conditions of the photovoltaic panels connected to it; on the other hand, the remote monitoring server detects the power generation and power generation efficiency of the managed solar photovoltaic power station. S3, equipment management. During the operation of step S2, on the one hand, the on-site coordination system regularly sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel; on the other hand, when the on-site monitoring terminal detects that the working position of the photovoltaic panel is in a high temperature state and the surface is frozen, the on-site coordination system sprays the external high-pressure fluid medium onto the surface of the photovoltaic panel through the on-site monitoring terminal, and cleans the surface of the photovoltaic panel.

9. A method for using a remote management and control system for a solar photovoltaic power station according to claim 8, characterized in that: The method for using the solar photovoltaic power station remote management and control system comprises the following steps: In step S1, the medium provided by the external high-pressure fluid medium supply system is any one of a gas medium and a liquid medium, or both.

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