A monitoring device for inverter equipment in photovoltaic strings

Abstract

This invention relates to a monitoring device for inverter equipment in a photovoltaic (PV) string, comprising a guide rail assembly, a walking assembly, a flipping assembly, a rotating assembly, a moving assembly, and a monitoring module. The guide rail assembly is fixed to the same edge on the back of all PV substrates. The walking assembly is movably mounted on the guide rail assembly. The flipping assembly is rotatably mounted on the walking assembly and is used to adjust the angle between the flipping assembly and the plane containing the back of the PV string substrates. The rotating assembly is coaxially and movably connected to the flipping assembly, and the rotating assembly can extend and retract axially and rotate around its own axis. The moving assembly is movably mounted on the rotating assembly and moves axially along the rotating assembly. The monitoring module is slidably mounted on the moving assembly, and the sliding trajectory of the monitoring module is arc-shaped. In this invention, the monitoring device has an external structure, allowing the monitoring module to be adjusted during movement through flipping, rotating, and moving, so that the monitoring module covers the entire back of the PV panel.

Description

Technical Field

[0001] This invention relates to the field of photovoltaic inverter monitoring technology, specifically to a monitoring device for inverter equipment in a photovoltaic string. Background Technology

[0002] The inverter equipment in a photovoltaic string is the core of a photovoltaic power generation system. It is mainly used to convert the direct current generated by the photovoltaic modules into alternating current that can be connected to the grid or used by the system. It undertakes key functions such as intelligent management and safety protection of the system. The stability of the inverter equipment determines the power generation efficiency, service life and grid security of the photovoltaic system.

[0003] Currently, inverter equipment uses maximum power point tracking technology to adjust its operating status in real time, ensuring that the photovoltaic strings can output maximum power under any light and temperature conditions. At the same time, inverter equipment also needs to meet grid connection standards and have functions such as islanding detection, automatically stopping power supply when the grid is interrupted to ensure the safety of maintenance personnel.

[0004] However, current monitoring of inverter equipment mainly relies on digital operation and maintenance systems, which primarily monitor power generation, voltage, current, and fault codes recorded by the inverter's own controller. This system cannot monitor the external status of the inverter equipment, resulting in incomplete and inaccurate monitoring data. It also fails to provide visual early warnings of electrical faults. The disconnect between internal and external monitoring data leads to a high rate of fault misjudgment and a lack of predictive maintenance capabilities based on conditions. Summary of the Invention

[0005] The technical problem to be solved by the present invention is to provide a monitoring device for inverter equipment in photovoltaic strings, which can monitor the external status of inverter equipment, facilitate the acquisition of comprehensive monitoring data, help to detect early electrical faults in a timely manner, reduce the fault misjudgment rate, and improve predictive maintenance capabilities.

[0006] The technical solution of the present invention to solve the above-mentioned technical problems is as follows: A monitoring device for inverter equipment in a photovoltaic string includes a guide rail assembly, a walking assembly, a flipping assembly, a rotating assembly, a moving assembly, and a monitoring module. The guide rail assembly is fixed to the same edge on the back of all photovoltaic substrates. The walking assembly is movably mounted on the guide rail assembly. The flipping assembly is rotatably mounted on the walking assembly and is used to adjust the angle between the flipping assembly and the plane on the back of the photovoltaic string substrate. The rotating assembly is coaxially and movably connected to the flipping assembly. The rotating assembly can extend and retract axially and rotate around its own axis. The moving assembly is movably mounted on the rotating assembly and moves axially along the rotating assembly. The monitoring module is slidably mounted on the moving assembly, and the sliding trajectory of the monitoring module is arc-shaped.

[0007] The beneficial effects of this invention are: the monitoring device forms an external structure through guide rail components, walking components, etc., which can be directly installed on existing photovoltaic strings without affecting the structure of the photovoltaic strings. It has the advantages of simple structure, convenient operation and low cost. At the same time, the monitoring module can move freely on the photovoltaic string, and can be adjusted by flipping, rotating and moving during the movement, so that the monitoring module covers the entire back of the photovoltaic panel, which is suitable for installing inverter equipment in different positions.

[0008] Based on the above technical solution, the present invention can be further improved as follows.

[0009] Furthermore, the monitoring module also includes an indicator unit and a supplementary lighting unit. The indicator unit is disposed on the moving component to display the working status of the monitoring module, and the supplementary lighting unit is used to supplement the monitoring module with light.

[0010] The advantages of adopting the above-mentioned further solutions are that the indicator unit facilitates timely observation of the status of the monitoring module, and the supplementary lighting unit provides supplementary lighting for the monitoring module, which helps to improve the monitoring accuracy.

[0011] Furthermore, the walking assembly includes a walking seat, the walking seat includes a bearing part and a walking wheel, one side of the bearing part is provided with a mounting shaft tube, the axial direction of the mounting shaft tube is parallel to the extension direction of the guide rail assembly, the flipping assembly is rotatably connected to the mounting shaft tube, and the walking wheel is mounted on the side of the bearing part opposite to the mounting shaft tube and slides in cooperation with the guide rail assembly.

[0012] The beneficial effect of adopting the above-mentioned further solution is that the walking component has the advantages of simple structure and stable and simple cooperation with the guide rail component and the flipping component.

[0013] Furthermore, the walking seat also includes a limiting part, which is connected to the side of the bearing part away from the walking wheel, and the limiting part is adjacent to the flipping component and tilted opposite to it.

[0014] The beneficial effect of adopting the above-mentioned further solution is that the limiting part can both protect the connecting end of the flipping component and limit the flipping angle of the flipping component.

[0015] Furthermore, the flipping assembly includes a flipping motor and a flipping arm. The flipping motor is fixedly mounted inside the mounting shaft tube. One end of the flipping arm is drivenly connected to the output shaft of the flipping motor and rotatably connected to the mounting shaft tube. The rotating assembly is coaxially and movably connected to the flipping arm.

[0016] The advantage of adopting the above-mentioned further solution is that the tilting arm is driven by the tilting motor to achieve angle adjustment, which facilitates the adjustment of the pitch angle of the monitoring module.

[0017] Furthermore, the rotating assembly includes a telescopic rod, a sleeve, and a rotary motor. The fixed end of the telescopic rod is fixedly connected to the flipping assembly. The sleeve is slidably fitted onto the outside of the flipping assembly. The rotary motor is installed inside the sleeve. The movable end of the telescopic rod is coaxially fixed with the rotating shaft of the rotary motor.

[0018] The beneficial effect of adopting the above-mentioned further solution is that the rotating component can adjust the distance between the monitoring module and the inverter equipment through telescopic movement, and can also enable the monitoring module to cover the external area of ​​the inverter equipment through rotation.

[0019] Furthermore, the moving component includes an external guide rail, a lead screw, and a moving seat. The external guide rail is fixed to one side outside the rotating component along the axial direction of the flipping component. The external guide rail is provided with a lead screw. The moving seat is threaded onto the lead screw and slides in cooperation with the external guide rail. The monitoring module is slidably mounted on the moving seat.

[0020] The advantages of adopting the above-mentioned further solution are that the moving component can fine-tune the position of the monitoring module to ensure the precise monitoring points of the inverter equipment. At the same time, the moving component has the advantages of simple structure and small space occupation.

[0021] Furthermore, the movable seat is provided with an arc-shaped guide rail, and the monitoring module includes an arc-shaped adjustment frame. The outer convex surface of the arc-shaped adjustment frame is provided with a slider and two pulleys. The two pulleys are symmetrically distributed at both ends of the slider and slide together with the slider and the arc-shaped guide rail. The slider is internally equipped with a sliding motor for driving the pulleys, and multiple optical probes are installed on the inner concave surface of the arc-shaped adjustment frame.

[0022] The beneficial effect of adopting the above-mentioned further solution is that the arc-shaped guide rail and the arc-shaped adjustment frame can adjust the pitch angle of the monitoring module, ensuring that the monitoring module can be aligned with the monitoring surface of the equipment.

[0023] Furthermore, the guide rail assembly includes a guide rail body and a connecting guide rail. The guide rail body is disposed on the edge of the back of each photovoltaic substrate, and the connecting guide rail connects two adjacent guide rail bodies.

[0024] The advantage of adopting the above-mentioned further solution is that the guide rail assembly restricts the overall movement path of the device, facilitating the free movement of the device on the back of all photovoltaic string substrates.

[0025] Furthermore, a non-contact wireless power supply coil is integrated within the main body of the guide rail.

[0026] The advantage of adopting the above-mentioned further solution is that it can meet the power supply requirements of the entire monitoring device during operation. Attached Figure Description

[0027] Figure 1This is a schematic diagram of the monitoring device used for inverter equipment in a photovoltaic string according to the present invention; Figure 2 This is a schematic diagram of the internal structure of the monitoring device for inverter equipment in a photovoltaic string according to the present invention; Figure 3 This is a schematic diagram of the monitoring module in this invention; Figure 4 This is a schematic diagram of the system functional modules and data flow in this invention.

[0028] The attached diagram lists the components represented by each number as follows: 11. Guide rail body; 12. Connecting guide rail; 2. Indicator unit; 3. Walking assembly; 31. Walking seat; 32. Mounting shaft tube; 33. Walking wheel; 34. Limiting part; 4. Tilting assembly; 41. Tilting arm; 42. Tilting motor; 5. Rotating assembly; 51. Telescopic rod; 52. Sleeve; 53. Rotating motor; 6. Moving assembly; 61. External guide rail; 62. Lead screw; 63. Moving seat; 64. Arc-shaped guide rail; 7. Monitoring module; 71. Arc-shaped adjustment frame; 72. Slider; 73. Pulley; 74. Probe. Detailed Implementation

[0029] The principles and features of the present invention are described below. The examples given are only for explaining the present invention and are not intended to limit the scope of the present invention.

[0030] Example 1 A monitoring device for inverter equipment in a photovoltaic string includes a guide rail assembly, a walking assembly 3, a flipping assembly 4, a rotating assembly 5, a moving assembly 6, and a monitoring module 7. The guide rail assembly is fixed to the same edge on the back of all photovoltaic substrates. The walking assembly 3 is movably mounted on the guide rail assembly. The flipping assembly 4 is rotatably mounted on the walking assembly 3 and is used to adjust the angle between the flipping assembly 4 and the plane on the back of the photovoltaic string substrates. The rotating assembly 5 is coaxially and movably connected to the flipping assembly 4. The rotating assembly 5 can extend and retract axially and rotate around its own axis. The moving assembly 6 is movably mounted on the rotating assembly 5 and moves axially along the rotating assembly 5. The monitoring module 7 is slidably mounted on the moving assembly 6, and the sliding trajectory of the monitoring module 7 is arc-shaped.

[0031] In this embodiment, the monitoring device forms an external structure through the guide rail assembly, the walking assembly 3, etc., which can be directly installed on the existing photovoltaic string without affecting the structure of the photovoltaic string. It has the advantages of simple structure, convenient operation and low cost. At the same time, the monitoring module 7 can move freely on the photovoltaic string, and can be adjusted by flipping, rotating and moving during the movement, so that the monitoring module 7 covers the entire back of the photovoltaic panel, which is suitable for installing inverter equipment in different positions.

[0032] Specifically in this embodiment, such as Figure 1 As shown, the guide rail assembly is installed on the upper back of all photovoltaic substrates to facilitate the formation of an external structure. The walking component 3 is movably mounted on the guide rail assembly. In the figure, the walking component 3 moves horizontally along the guide rail assembly, enabling the monitoring module 7 to monitor different positions of the same photovoltaic substrate in the horizontal direction, or to monitor different photovoltaic substrates in the horizontal direction.

[0033] like Figure 2 As shown, the upper end of the flipping component 4 is rotatably connected to the walking component 3. Adjusting the flipping component 4 makes the lower end of the flipping component 4 form an angle with the plane where the back of the photovoltaic substrate is located. In this embodiment, the angle range is 0 to 180°, thereby allowing for preliminary adjustment of the distance between the monitoring module 7 and the back of the photovoltaic substrate.

[0034] One end of the rotating component 5 is a fixed end for coaxial fixed connection with the flipping component 4, and the other end of the rotating component 5 is a telescopic end. The telescopic end and the fixed end slide together axially. The telescopic end completes the telescopic movement so that the telescopic end of the rotating component 5 can move closer to or away from the lower end of the photovoltaic substrate, thereby completing the initial position adjustment of the monitoring device in the vertical direction, which facilitates the monitoring module 7 to monitor the back area of ​​the photovoltaic substrate. The telescopic end rotates around its own axis relative to the fixed end, which can adjust the distance between the monitoring module 7 and the back of the photovoltaic substrate, and also adjust the included angle between the monitoring module 7 and the back of the photovoltaic substrate.

[0035] The moving component 6 is movably installed in the retractable area of ​​the rotating component 5. The monitoring module 7 slides with the moving component 6, and the sliding trajectory of the monitoring module 7 is arc-shaped. After the moving component 3 and the rotating component 5 complete the initial positioning adjustment, the moving component 6 and the monitoring module 7 perform small-range fine adjustments. In particular, the moving trajectory of the monitoring module 7 is arc-shaped, which can also finely adjust the pitch angle of the monitoring module 7 and the distance between it and the back of the photovoltaic substrate, ensuring that the monitoring module 7 can be aligned with the surface to be tested of the inverter equipment.

[0036] like Figure 4 As shown, in this embodiment, the monitoring module 7 can adopt existing technology. The monitoring module 7 typically uses technology with functions such as image and temperature acquisition. For example, the monitoring module 7 includes information acquisition elements such as cameras and sensors. The information on the back of the photovoltaic substrate acquired by the monitoring module 7 is uploaded, analyzed, and processed before outputting corresponding information, such as... Figure 4As shown, the monitoring module 7 includes a multi-sensor fusion array that interacts with an external data center. The multi-sensor fusion array is specifically divided into a visible light imaging unit, an infrared thermal imaging unit, an ultraviolet corona monitoring unit, an ultrasonic discharge monitoring unit, and a laser 3D scanning unit. Among these, the visible light imaging unit uses a high-definition industrial visible light imaging probe 74 as the core of the structural damage monitoring module 7. It possesses a megapixel-level industrial CMOS photosensitive chip, which can clearly capture structural damage issues such as minute cracks, loose joints, shell deformation, interface disconnection, oxidation, and corrosion of the inverter casing. At the same time, it also has automatic focusing and wide dynamic range functions, which can adapt to the complex light environment on the back of photovoltaic modules; the infrared thermal imaging unit is a composite monitoring module 7, which can simultaneously monitor temperature distribution and identify hidden structural damage. On the one hand, it can produce infrared thermal images of the inverter equipment and surrounding areas, intuitively presenting the overall temperature field distribution and quickly locating high temperature anomalies. On the other hand, it can also indirectly judge hidden cracks inside the shell that are difficult to be identified by visible light through the infrared thermal imaging unit. It complements the high-definition industrial visible light imaging probe 74 to improve the comprehensiveness of structural damage monitoring.

[0037] Furthermore, an edge computing unit is also configured. Employing existing technologies, in this embodiment, the edge computing unit integrates a computing module, system and software module, communication module, interface and peripheral expansion module, power supply and heat dissipation module, etc. The edge computing unit interacts with an external data center or cloud platform, performs AI diagnostics, and feeds back raw data, device status, and diagnostic results to the data center or cloud platform via the communication module. The communication module is preferably a wireless communication module. The data center or cloud platform outputs visual reports, early warning information, control commands, and query reports to the operation and maintenance management terminal. Simultaneously, the edge computing unit can also interact with historical fault databases and knowledge bases for adding new case studies, updating models, and developing path optimization strategies.

[0038] Example 2 Based on the above embodiments, the monitoring module 7 further includes an indicator unit 2 and a supplementary lighting unit. The indicator unit 2 is disposed on the moving component 6 to display the working status of the monitoring module 7, and the supplementary lighting unit is used to provide supplementary lighting for the monitoring module 7. In this way, the indicator unit 2 facilitates timely observation of the status of the monitoring module 7, and the supplementary lighting unit provides supplementary lighting for the monitoring module 7, which helps to improve monitoring accuracy.

[0039] Specifically in this embodiment, such as Figure 1 , 2As shown, the indicator unit 2 is controlled by the edge computing unit and is used to provide real-time feedback on the operating status of the device and monitor abnormal states. Preferably, both the indicator unit 2 and the edge computing unit are mounted on the walking component 3, with the walking component 3 serving as the main support to ensure installation stability. The indicator unit 2 includes a warning light, preferably a three-color LED warning light. When the warning light is green, the indicator monitoring module 7 is in operation; when the warning light is yellow, the indicator monitoring module 7 is in optical monitoring; and when the warning light is red, the indicator monitoring module 7 has malfunctioned. Of course, the indicator unit 2 can also be further configured with other warning elements, such as an alarm bell.

[0040] Furthermore, the monitoring module 7 is also equipped with a supplementary lighting unit, which is located close to the monitoring module 7. In this embodiment, the supplementary lighting unit is located on the moving component 6. The supplementary lighting unit is an auxiliary lighting component that can improve the monitoring accuracy in low light environments, so that the monitoring module 7 can output a clear image of the external structure of the device even in weak light or backlight scenarios, providing intuitive visual data for structural damage judgment. The supplementary lighting unit is also controlled by the edge computing unit and includes LED lights.

[0041] Example 3 Based on the above embodiments, the walking assembly 3 includes a walking base 31, which includes a support portion and walking wheels 33. A mounting shaft tube 32 is provided on one side of the support portion, and the axial direction of the mounting shaft tube 32 is parallel to the extending direction of the guide rail assembly. The tilting assembly 4 is rotatably connected to the mounting shaft tube 32. The walking wheels 33 are mounted on the side of the support portion opposite to the mounting shaft tube 32 and slide in cooperation with the guide rail assembly. Thus, the walking assembly 3 has the advantages of simple structure and stable and simple cooperation with the guide rail assembly and the tilting assembly 4.

[0042] Specifically, such as Figure 1 , 2 As shown, the traveling seat 31 includes a support part and traveling wheels 33. The support part is generally L-shaped and includes a first support part and a second support part that are perpendicular to each other. The first support part has a protrusion on the side opposite to the second support part, and the traveling wheels 33 are provided on the protrusion. Preferably, the traveling wheels 33 are symmetrically distributed on both sides of the protrusion. The traveling wheels 33 cooperate with the guide rail assembly to complete the horizontal movement shown in the figure. The rotation axis of each traveling wheel 33 is parallel to the plane of the first support part. A mounting shaft tube 32 is provided in the middle of the second support part. The axial direction of the mounting shaft tube 32 is parallel to the extension direction of the guide rail. The flipping assembly 4 is rotatably connected to the mounting shaft tube 32, so that the flipping assembly 4 can extend, retract or flip on one side of the first support part.

[0043] Example 4 Based on the above embodiment, the walking seat 31 further includes a limiting part 34, which is connected to the side of the bearing part away from the walking wheel 33. The limiting part 34 is adjacent to and tilted opposite the flipping assembly 4. In this way, the limiting part 34 can both protect the connecting end of the flipping assembly 4 and limit the flipping angle of the flipping assembly 4.

[0044] Specifically, such as Figure 1 , 2 As shown, the limiting part 34 is generally a rectangular plate. Preferably, the limiting part 34 is integrally formed with the bearing part, and the limiting plate is connected to the edge of the second bearing part away from the first bearing part. Figure 1 , 2 In the middle, one side edge of the limiting plate is connected to the second bearing part at an angle, and the other side edge of the bearing plate gradually extends outward along the direction away from the first bearing part, so that a space with a gradually increasing opening is formed between the limiting plate and the first bearing part. This space can protect the end of the flipping component 4 that is connected to the walking seat 31. At the same time, when the side of the flipping component 4 is attached to the limiting plate, the flipping component 4 cannot continue to rotate, thereby limiting the flipping angle of the flipping component 4.

[0045] Furthermore, the edge computing unit is disposed on the support part. Preferably, the edge computing unit can be disposed inside the support part to prevent the external environment from affecting the edge computing unit. The indicator unit 2 is also disposed on the support part. Preferably, the indicator light is disposed on the limiting plate and is located on the side opposite to the flipping component 4 for easy observation.

[0046] Example 5 Based on the above embodiment, the flipping assembly 4 includes a flipping motor 42 and a flipping arm 41. The flipping motor 42 is fixedly mounted inside the mounting shaft tube 32. One end of the flipping arm 41 is driven to the output shaft of the flipping motor 42 and rotatably connected to the mounting shaft tube 32. The rotating assembly 5 is coaxially and movably connected to the flipping arm 41. In this way, the flipping arm 41 is driven by the flipping motor 42 to achieve angle adjustment, which facilitates the adjustment of the pitch angle of the monitoring module 7.

[0047] Specifically, such as Figure 1 , 2 As shown, the flip motor 42 is fixedly assembled inside the mounting shaft tube 32. Preferably, the output shaft of the flip motor 42 is coaxial with the mounting shaft tube 32. One end of the flip arm 41 is rotatably connected to the output shaft of the flip motor 42. Preferably, an adjusting gear is installed on the output shaft of the flip motor 42. One end of the flip arm 41 is provided with a mounting hole, which is provided with multiple tooth grooves. The tooth grooves in the mounting hole mesh with the adjusting gear. When the flip motor 42 is started, the output shaft of the flip motor 42 drives the flip arm 41 to rotate. The flip arm 41 and the flip motor 42 are meshed, which facilitates the adjustment of the rotation angle of the rotating arm.

[0048] In other embodiments, the output shaft of the flip motor 42 and the mounting shaft tube 32 may also be eccentric, and one end of the flip arm 41 may be directly fixed to the output shaft of the flip motor 42.

[0049] Example 6 Based on the above embodiments, the rotating assembly 5 includes a telescopic rod 51, a sleeve 52, and a rotary motor 53. One end of the telescopic rod 51 is fixedly connected to the flipping assembly 4. The sleeve 52 is slidably fitted onto the outside of the flipping assembly 4. The rotary motor 53 is installed inside the sleeve 52. The movable end of the telescopic rod 51 is coaxially fixed with the rotation shaft of the rotary motor 53. Thus, the rotating assembly 5 can both adjust the distance between the monitoring module 7 and the inverter equipment through telescopic movement and allow the monitoring module 7 to cover the external area of ​​the inverter equipment through rotation.

[0050] like Figure 2 As shown, the tilting arm 41 is provided with an insert groove, and the rotating component 5 includes a telescopic rod 51. The telescopic rod 51 is an embedded electric telescopic rod 51, which can automatically extend and retract according to the received control signal. The telescopic rod 51 is embedded in the insert groove of the tilting arm 41. The sleeve 52 is slidably sleeved on the outside of the tilting arm 41. A rotary motor 53 is provided inside the sleeve 52. The rotary motor 53 is located at the end away from the walking seat 31. The movable end of the telescopic rod 51 is fixedly connected to the rotating shaft of the rotary motor 53 through a shaft connector. When the rotary motor 53 is driven, the sleeve 52 can rotate relative to the tilting arm 41. During the rotation, the sleeve 52 can drive the moving component 6 and the monitoring module 7 to rotate synchronously. When the telescopic rod 51 is driven to extend and retract, the sleeve 52 can move axially relative to the tilting arm 41, thereby driving the moving component 6 and the monitoring module 7 to move together along the axial direction of the tilting arm 41.

[0051] Example 7 Based on the above embodiments, the moving component 6 includes an external guide rail 61, a lead screw 62, and a moving base 63. The external guide rail 61 is fixed to one side of the rotating component 5 along the axial direction of the flipping component 4. The external guide rail 61 is equipped with the lead screw 62. The moving base 63 is threaded onto the lead screw 62 and slidably engaged with the external guide rail 61. The monitoring module 7 is slidably mounted on the moving base 63. In this way, the moving component 6 can finely adjust the position of the monitoring module 7 to ensure precise monitoring of the inverter equipment. At the same time, the moving component 6 has the advantages of simple structure and small space occupation.

[0052] Specifically, such as Figure 2As shown, the external guide rail 61 is fixed to the outside of the sleeve 52, and the extension direction of the external guide rail 61 is parallel to the axial direction of the sleeve 52. A lead screw 62 is installed inside the external guide rail 61. The lead screw 62 has an external thread. The movable seat 63 includes a body with a protruding sliding platform. The sliding platform is slidably assembled in the external guide rail 61. The sliding platform has a through screw hole, which is threadedly connected to the lead screw 62. The side of the body opposite to the sliding platform is used to slide and install the monitoring module 7. In this embodiment, the lead screw 62 is equipped with a corresponding motor. The motor drives the lead screw 62 to rotate and drive the movable seat 63 to move. At the same time, the movable seat 63 is limited and guided by the external guide rail 61. Therefore, the rotation of the lead screw 62 is converted into the linear movement of the movable seat 63 along the external guide rail 61, realizing precise fine adjustment and ensuring that it can be aligned with the fine monitoring points of the inverter equipment.

[0053] Example 8 Based on the above embodiments, the movable base 63 is provided with an arc-shaped guide rail 64, and the monitoring module 7 includes an arc-shaped adjustment frame 71. The outer convex surface of the arc-shaped adjustment frame 71 is provided with a slider 72 and two pulleys 73. The two pulleys 73 are symmetrically distributed at both ends of the slider 72 and slide together with the slider 72 in cooperation with the arc-shaped guide rail 64. The slider 72 is internally equipped with a sliding motor for driving the pulleys 73, and multiple optical probes 74 are installed on the inner concave surface of the arc-shaped adjustment frame 71. In this way, the arc-shaped guide rail 64 and the arc-shaped adjustment frame 71 can adjust the pitch angle of the monitoring module 7, ensuring that the monitoring module 7 can be aligned with the surface to be monitored by the equipment.

[0054] Specifically, in this embodiment, an arc-shaped platform is formed on the side of the main body facing away from the sliding platform. The side of the arc-shaped platform facing away from the sliding platform is concave, and a guide rail is provided on the concave surface, thereby forming an arc-shaped guide rail 64. The monitoring module 7 includes an arc-shaped adjustment frame 71. The outer convex surface of the arc-shaped adjustment frame 71 is provided with a slider 72 and two pulleys 73. The two pulleys 73 are symmetrically located at opposite ends of the slider 72. The slider 72 is slidably embedded in the arc-shaped guide rail 64, and the pulleys 73 are slidably engaged with the arc-shaped guide rail 64. A sliding motor is configured inside the slider 72. Multiple optical probes 74 are installed on the inner concave surface of the arc-shaped adjustment frame 71. The sliding motor drives the pulleys 73 to rotate, thereby driving the monitoring module 7 to slide relative to the moving component 6. The movement trajectory is arc-shaped, which facilitates the adjustment of the pitch angle of the monitoring module 7.

[0055] Example 9 Based on the above embodiments, the guide rail assembly includes a guide rail body 11 and a connecting guide rail 12. The guide rail body 11 is disposed on the edge of the back of each photovoltaic substrate, and the connecting guide rail 12 connects two adjacent guide rail bodies 11. In this way, the guide rail assembly restricts the overall movement path of the device, facilitating free movement of the device on the back of all photovoltaic string substrates.

[0056] In this embodiment, as Figure 1 As shown, the length of each guide rail body 11 is equal to the length of each photovoltaic substrate, and the length of the connecting guide rail 12 is equal to the distance between two adjacent photovoltaic substrates.

[0057] Example 10 Based on the above embodiment, a non-contact wireless power supply coil is integrated within the guide rail body 11. This ensures that the power supply requirements of the entire monitoring device are met during operation.

[0058] Specifically, in this embodiment, the walking component 3, the edge computing unit, the flipping component 4, the rotating component 5, the moving component 6, and the monitoring module 7 are all powered by the non-contact wireless power supply coil.

[0059] Of course, as another embodiment, a power supply can also be configured separately.

[0060] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential" indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this invention.

[0061] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this invention, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.

[0062] In this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0063] In this invention, unless otherwise explicitly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "over," and "on top" of the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0064] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0065] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.

Claims

1. A monitoring device for inverter equipment in a photovoltaic string, characterized in that, The system includes a guide rail assembly, a walking assembly (3), a flipping assembly (4), a rotating assembly (5), a moving assembly (6), and a monitoring module (7). The guide rail assembly is fixed to the same edge on the back of all photovoltaic substrates. The walking assembly (3) is movably mounted on the guide rail assembly. The flipping assembly (4) is rotatably mounted on the walking assembly (3) and is used to adjust the angle between the flipping assembly (4) and the plane on the back of the photovoltaic string substrate. The rotating assembly (5) is coaxially and movably connected to the flipping assembly (4). The rotating assembly (5) can extend and retract along the axial direction and rotate around its own axis. The moving assembly (6) is movably mounted on the rotating assembly (5) and moves along the axial direction of the rotating assembly (5). The monitoring module (7) is slidably mounted on the moving assembly (6), and the sliding trajectory of the monitoring module (7) is arc-shaped.

2. The monitoring device for inverter equipment in a photovoltaic string according to claim 1, characterized in that, The monitoring module (7) also includes an indicator unit (2) and a supplementary light unit. The indicator unit (2) is disposed on the moving component (6) to display the working status of the monitoring module (7), and the supplementary light unit is used to supplement the monitoring module (7) with light.

3. The monitoring device for inverter equipment in a photovoltaic string according to claim 1, characterized in that, The walking assembly (3) includes a walking seat (31), which includes a bearing part and a walking wheel (33). A mounting shaft tube (32) is provided on one side of the bearing part. The axial direction of the mounting shaft tube (32) is parallel to the extension direction of the guide rail assembly. The flipping assembly (4) is rotatably connected to the mounting shaft tube (32). The walking wheel (33) is installed on the side of the bearing part opposite to the mounting shaft tube (32) and slides in cooperation with the guide rail assembly.

4. The monitoring device for inverter equipment in a photovoltaic string according to claim 3, characterized in that, The walking seat (31) also includes a limiting part (34), which is connected to the side of the bearing part away from the walking wheel (33). The limiting part (34) is adjacent to the flipping assembly (4) and tilted opposite each other.

5. The monitoring device for inverter equipment in a photovoltaic string according to claim 3, characterized in that, The flipping assembly (4) includes a flipping motor (42) and a flipping arm (41). The flipping motor (42) is fixedly mounted inside the mounting shaft tube (32). One end of the flipping arm (41) is connected to the output shaft of the flipping motor (42) and rotatably connected to the mounting shaft tube (32). The rotating assembly (5) is coaxially and movably connected to the flipping arm (41).

6. The monitoring device for inverter equipment in a photovoltaic string according to claim 1, characterized in that, The rotating assembly (5) includes a telescopic rod (51), a sleeve (52) and a rotary motor (53). The fixed end of the telescopic rod (51) is fixedly connected to the flipping assembly (4). The sleeve (52) is slidably sleeved on the outside of the flipping assembly (4). The rotary motor (53) is installed inside the sleeve (52). The movable end of the telescopic rod (51) is coaxially fixed with the rotating shaft of the rotary motor (53).

7. The monitoring device for inverter equipment in a photovoltaic string according to claim 1, characterized in that, The moving component (6) includes an external guide rail (61), a lead screw (62), and a moving seat (63). The external guide rail (61) is fixed to one side outside the rotating component (5) along the axial direction of the flipping component (4). The external guide rail (61) is provided with a lead screw (62). The moving seat (63) is threaded onto the lead screw (62) and slides with the external guide rail (61). The monitoring module (7) is movably mounted on the moving seat (63).

8. The monitoring device for inverter equipment in a photovoltaic string according to claim 7, characterized in that, The movable seat (63) is provided with an arc-shaped guide rail (64), and the monitoring module (7) includes an arc-shaped adjustment frame (71). The outer convex surface of the arc-shaped adjustment frame (71) is provided with a slider and two pulleys. The two pulleys are symmetrically distributed at both ends of the slider and slide together with the slider and the arc-shaped guide rail (64). The slider is equipped with a sliding motor for driving the pulleys. The inner concave surface of the arc-shaped adjustment frame (71) is equipped with multiple optical probes.

9. A monitoring device for inverter equipment in a photovoltaic string according to any one of claims 1-8, characterized in that, The guide rail assembly includes a guide rail body (11) and a connecting guide rail (12). The guide rail body (11) is disposed on the edge of the back of each photovoltaic substrate, and the connecting guide rail (12) is connected between two adjacent guide rail bodies (11).

10. A monitoring device for inverter equipment in a photovoltaic string according to claim 9, characterized in that, The guide rail body (11) integrates a non-contact wireless power supply coil.

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