Solar cell protection device
By designing solar cell protection devices, including installation mechanisms and automatic cleaning systems, the problem of lack of protection mechanisms for solar cells in the prior art is solved, the durability and efficiency of the equipment are improved, and the application cost is reduced.
Patent Information
- Application Number
- CN202510246042.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-03
- Publication Date
- 2025-05-27
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The existing solar cells lack protection mechanisms and are easily damaged by hail after long-term use. Surface dust and dust can easily lead to scratches and burnout, increasing application costs.
A solar cell protection device is designed, including a solar cell module installation mechanism and a cleaning mechanism, which can fix and clean the components through a U-shaped mounting plate and a rotating rod, and drive the cleaning rod and nozzle for automatic cleaning using a driving motor and gear system.
It effectively prevents damage to solar cells by hail and dust, improves the working efficiency and life of solar panels, and reduces application costs.
Smart Images

Figure CN120049816A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of solar panels, and specifically to a solar cell protection device. Background Art
[0002] A solar cell, also known as a "solar chip" or "photovoltaic cell", is a thin photovoltaic semiconductor that directly generates electricity using sunlight. A single solar cell cannot be used directly as a power source. To be used as a power source, several single solar cells must be connected in series and parallel and tightly encapsulated into a module. A solar panel is an assembly of multiple solar cells, which is the core part of a solar power generation system and also the most important part of a solar power generation system.
[0003] However, in the existing invention patent CN 219350249 U, a solar cell module and a solar cell system, the solar cells therein do not have an actual protection mechanism. For example, in a hailstorm, they are easily damaged by hail. And due to long-term outdoor use, their surfaces are easily covered with a layer of dust. If the dust is not cleaned in time, it will not only affect the working efficiency of the solar panel, but also cause scratches on its surface by larger dust particles, resulting in damage and making the solar cells easily burned out, thus increasing the application cost. Therefore, in view of the above situation, there is an urgent need to develop a solar cell protection device to overcome the deficiencies in current practical applications. Summary of the Invention
[0004] The present invention provides a solar cell protection device to solve the technical problems raised in the above background art: the existing solar cells do not have an actual protection mechanism. Due to long-term outdoor use, their surfaces are easily covered with a layer of dust. If the dust is not cleaned in time, it will not only affect the working efficiency of the solar panel, but also cause scratches on its surface by larger dust particles, resulting in damage and making the solar cells easily burned out, thus increasing the application cost.
[0005] To solve the above technical problems, the present invention discloses a solar cell protection device, including: a solar cell module, the solar cell module is arranged in a U-shaped mounting plate, and solar cell module mounting mechanisms are arranged at the top ends of both sides of the U-shaped mounting plate. The solar cell module is also connected to a solar cell module cleaning mechanism.
[0006] Preferably, the solar cell module installation mechanism includes: a rotating rod, one end of the rotating rod is fixedly installed at the bottom end of a threaded rod, the other end of the threaded rod passes through an installation block provided in a U-shaped installation plate and is threadedly connected to two sliders, and finally is rotatably connected to the installation block at the bottom end. One end of a support rod is movably connected to the two sliders, the other end of the support rod is connected to a clamping block, the clamping block corresponds to clamping grooves provided at the left and right ends of the solar cell module, and a number of reset springs are arranged on the inner walls of the U-shaped installation plate at the left and right ends of the installation block.
[0007] Preferably, the solar cell module cleaning mechanism is arranged front and back in the U-shaped installation plate and includes: an installation frame, the installation frame is arranged in the U-shaped installation plate, and a clamping plate is clamped at the front end of the installation frame. A motor protection shell is fixedly installed on the outer wall at the rear end of the installation frame, a driving motor is fixedly installed on the inner wall at the left end of the motor protection shell, and a first gear is fixedly installed at the output end of the driving motor. The upper and lower ends of the first gear are respectively meshed and connected with a second gear and a third gear. The front end of the second gear is connected to a cleaning component, and the front end of the third gear is connected to a traveling mechanism.
[0008] Preferably, the cleaning component includes: a first rotating shaft, the rear end of the first rotating shaft is fixedly installed on the second gear, and the other end of the first rotating shaft passes through the installation frame and is connected to a number of cleaning rods. The bottom ends of the cleaning rods are in contact with the top end of the solar cell module. A long pipe is fixedly installed on the inner wall at the top end of the installation frame, and a number of spray heads are arranged at the bottom end of the long pipe. The top end of the long pipe is connected to a water delivery device through a connecting pipe.
[0009] Preferably, the traveling mechanism includes: one end of a second rotating shaft is fixedly connected to the third gear, the other end of the second rotating shaft is rotatably connected to the inner wall of the motor protection shell, and a fourth gear is fixedly installed on the second rotating shaft. The fourth gear is meshed and connected with a fifth gear, the fifth gear is connected to a third rotating shaft, and a number of moving wheels are fixedly installed on the third rotating shaft. The bottom ends of the moving wheels are in contact with the inner wall of a groove provided in the U-shaped installation plate.
[0010] Preferably, a UV protection coating is provided on the surface of the solar cell module, and the UV protection coating is a transparent coating containing a UV absorber.
[0011] Preferably, a PID suppression module is further provided on the solar cell module, and the PID suppression module is a grounding device or a voltage compensation device, which can reduce the electric potential of the battery module and suppress the PID effect.
[0012] Preferably, the solar cell module further includes: A first temperature sensor for detecting the temperature when the solar cell module starts to work; A second temperature sensor for detecting the maximum temperature when the solar cell module is working; A controller and an alarm, the controller is electrically connected to a first temperature sensor, a second temperature sensor and the alarm.
[0013] Preferably, the controller controls the alarm to work based on the first temperature sensor and the second temperature sensor, including the following steps: Step 1: Calculate the total radiant energy of the solar cell module according to formula (1)
[0014] (1); Where is the earth orbit eccentricity correction coefficient, is the solar constant, is the angle between the solar cell module and the horizontal plane, is the theoretical diffuse radiant energy of the solar cell module, is the theoretical reflected radiant energy of the solar cell module, is the atmospheric optical mass, is the sine, is the cosine; Step 2: Calculate the actual power generation of the solar cell module under the influence of dust accumulation on the surface of the solar cell module according to the following formula (2), the detection values of the first temperature sensor and the second temperature sensor , the controller compares the actual power generation of the solar cell module with the preset power generation range, when the actual power generation is not within the preset power generation range, the controller controls the alarm to give an alarm
[0015] (2); Where is the conversion efficiency of the light energy of the photovoltaic panel in the solar cell module into electrical energy, is the light transmittance of the photovoltaic panel in the solar cell module, is the detection value of the first temperature sensor, is the detection of the second temperature sensor, is the base of the natural logarithm, is the environmental coefficient around the installation position of the solar cell module, is the height correction coefficient of the solar cell module. Description of the Drawings
[0016] To more clearly illustrate the technical solutions in the present invention or the prior art, the following will briefly introduce the drawings required for the description of the embodiments or the prior art. Obviously, the drawings in the following description are some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.
[0017] Figure 1 Structural schematic diagram provided by an embodiment of the present invention; Figure 2 Provided by an embodiment of the present invention Figure 1 Schematic diagram of the enlarged structure at point A in Figure 3 Right view of the cleaning mechanism structure provided by an embodiment of the present invention.
[0018] Reference numerals: 1. Solar cell module; 2. U-shaped mounting plate; 3. Rotating rod; 4. Mounting block; 5. Slide block; 6. Support rod; 7. Clamping block; 8. Card slot; 9. Return spring; 10. Threaded rod; 11. Mounting frame; 12. Card plate; 13. Motor protection shell; 14. Driving motor; 15. Gear one; 16. Gear two; 17. Gear three; 18. Rotating shaft one; 19. Cleaning rod; 20. Long tube; 21. Nozzle; 22. Connecting pipe; 23. Rotating shaft two; 24. Gear four; 25. Gear five; 26. Rotating shaft three; 27. Moving wheel. Detailed implementation manners
[0019] To make the objectives, technical solutions, and advantages of the present invention clearer, the following will clearly and completely describe the technical solutions in the present invention with reference to the drawings in the present invention. Obviously, the described embodiments are some, but not all, of the embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present invention.
[0020] In addition, in the present invention, descriptions such as "first" and "second" are only for descriptive purposes, and do not particularly refer to the meaning of order or sequence, nor are they used to limit the present invention. They are merely used to distinguish components or operations described with the same technical terms, and cannot be understood as indicating or implying their relative importance or implicitly indicating the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions and technical features between various embodiments can be combined with each other, but it must be based on the fact that those of ordinary skill in the art can implement them. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present invention.
[0021] The present invention provides the following embodiments Embodiment 1 An embodiment of the present invention provides a solar cell protection device, as Figure 1 shown, a solar cell protection device includes: a solar cell module 1, the solar cell module 1 is disposed within a U-shaped mounting plate 2, and solar cell module mounting mechanisms are provided at the top ends of both sides of the U-shaped mounting plate 2. The solar cell module 1 is further connected to a solar cell module cleaning mechanism.
[0022] The beneficial effects of the above technical solution are as follows: By providing a solar cell module mounting mechanism and a solar cell module cleaning mechanism, through the operation of the solar cell module cleaning mechanism, the problems proposed in the background art are effectively improved: Existing solar cells do not have an actual protection mechanism. Since they are used outdoors for a long time, their surfaces are easily covered with a layer of dust. If these dusts are not cleaned in time, it will not only affect the working efficiency of the solar panel, but also cause scratches on its surface by larger dust particles, resulting in damage and the solar cell being easily burned out, thereby increasing the application cost.
[0023] Embodiment 2 Based on Embodiment 1, as Figures 1-3 shown, for the described solar cell protection device, the solar cell module mounting mechanism includes: a rotating rod 3, one end of a threaded rod 10 is fixedly installed at the bottom end of the rotating rod 3, the other end of the threaded rod 10 penetrates through a mounting block 4 provided within the U-shaped mounting plate 2 and is threadedly connected to two sliders 5, and finally is rotatably connected to the mounting block 4 at the bottom end. One end of a support rod 6 is movably connected to the two sliders 5, the other end of the support rod 6 is connected to a clamping block 7, the clamping block 7 corresponds to clamping grooves 8 provided at the left and right ends of the solar cell module 1, and a number of return springs 9 are provided on the inner walls of the U-shaped mounting plate 2 at the left and right ends of the mounting block 4.
[0024] Optionally, the solar cell module cleaning mechanism is disposed front and back within the U-shaped mounting plate 2 and includes: a mounting frame 11, the mounting frame 11 is disposed within the U-shaped mounting plate 2, and a clamping plate 12 is clamped at the front end of the mounting frame 11. A motor protection housing 13 is fixedly installed on the outer wall at the rear end of the mounting frame 11, a driving motor 14 is fixedly installed on the inner wall at the left end of the motor protection housing 13, and an output end of the driving motor 14 is fixedly installed with a first gear 15. The upper and lower ends of the first gear 15 are respectively meshed and connected to a second gear 16 and a third gear 17. The front end of the second gear 16 is connected to a cleaning component, and the front end of the third gear 17 is connected to a traveling mechanism.
[0025] Optionally, the cleaning assembly includes: a first rotating shaft 18, the rear end of the first rotating shaft 18 is fixedly installed on the second gear 16, and the other end of the first rotating shaft 18 penetrates through the installation frame 11 and is connected to a plurality of cleaning rods 19. The bottom end of the cleaning rod 19 contacts the top end of the solar cell module 1. A long tube 20 is fixedly installed on the inner wall of the top end of the installation frame 11, and a plurality of spray heads 21 are arranged at the bottom end of the long tube 20. The top end of the long tube 20 is connected to a water supply device through a connecting tube 22.
[0026] Optionally, the traveling mechanism includes: one end of a second rotating shaft 23 is fixedly connected to the third gear 17, the other end of the second rotating shaft 23 is rotatably connected to the inner wall of the motor protection case 13, and a fourth gear 24 is fixedly installed on the second rotating shaft 23. The fourth gear 24 is meshed with a fifth gear 25, the fifth gear 25 is connected to a third rotating shaft 26, and a plurality of moving wheels 27 are fixedly installed on the third rotating shaft 26. The bottom end of the moving wheel 27 contacts the inner wall of the groove provided on the U-shaped mounting plate 2.
[0027] Optionally, a UV protection coating is provided on the surface of the solar cell module 1, and the UV protection coating is a transparent coating containing a UV absorber.
[0028] Optionally, a PID suppression module is further provided on the solar cell module 1, and the PID suppression module is a grounding device or a voltage compensation device, which can reduce the potential of the battery module and suppress the PID effect.
[0029] The working principle of the above technical solution is as follows: First, the solar cell module 1 is placed in the groove where the U-shaped mounting plate 2 is located. Then, the staff rotates the rotating rod 3. The rotation of the rotating rod 3 drives the threaded rod 10 fixedly connected thereto to rotate accordingly. The rotation of the threaded rod 10 drives the sliders 5 threadedly connected thereto to approach each other, and then drives the support rods 6 movably connected to the sliders 5 to change direction. The change in the direction of the support rods 6 drives the clamping blocks 7 movably connected thereto to move into the card slots 8 provided at both ends of the 1, thereby fixing the solar cell module 1. When there is dust covering the surface of the solar cell module 1, first place the mounting frame 11 at the rear end of the solar cell module 1 into the U-shaped mounting plate 2, then snap the clamping plate 12 with the mounting frame 11. By starting the drive motor 14, the drive motor 14 drives the first gear 15 to rotate accordingly. The rotation of the first gear 15 drives the second gear 16 and the third gear 17 meshing with it to rotate. The rotation of the second gear 16 drives the first rotating shaft 18 fixedly connected to it to rotate accordingly. The rotation of the first rotating shaft 18 drives a plurality of cleaning rods 19 thereon to rotate accordingly. The rotation of the cleaning rods 19 effectively sweeps the dust on the top surface of the solar cell module 1. At the same time, start the water supply device connected to the connecting pipe 22, and spray water through a plurality of nozzles 21, thereby further cleaning the dust on the surface of the solar cell module 1. The rotation of the third gear 17 drives the second rotating shaft 23 to rotate accordingly. The rotation of the second rotating shaft 23 drives the fourth gear 24 fixedly connected to it to rotate accordingly. The rotation of the fourth gear 24 drives the fifth gear 25 meshing with it to rotate. The rotation of the fifth gear 25 drives the third rotating shaft 26 and a plurality of moving wheels 27 fixed to the third rotating shaft 26 to rotate, so that the moving wheels 27 move on the inner wall of the top end of the U-shaped mounting plate 2, thereby realizing the thorough cleaning of the dust on the surface of the solar cell module 1, which is very convenient and practical.
[0030] The beneficial effects of the above technical solution are as follows: By setting the solar cell module installation mechanism, it is beneficial to effectively fix the solar cell module 1; by setting the slider 5 and the threaded rod 10, it is beneficial to drive the expansion and contraction of the clamping block 7 through the movement of the slider 5 on the threaded rod 10, thereby realizing the fixation of solar cell modules 1 of different sizes; by setting a plurality of return springs 9, it is beneficial to partially dampen the solar cell module 1; by setting a plurality of cleaning rods 19, it is beneficial to clean the dust on the surface of the solar cell module 1; by setting the connecting pipe 22 and a plurality of nozzles 21, it is beneficial to clean the dust on the surface of the solar cell module 1 by transporting water; by setting a plurality of moving wheels 27, it is beneficial to move the mounting frame 11 left and right on the inner wall of the top end of the U-shaped mounting plate 2, thereby realizing the full cleaning of the dust on the surface of the solar cell module 1, which is very convenient and practical.
[0032] Embodiment 3 On the basis of Embodiments 1-2, a solar cell protection device, the solar cell module 1 further includes: A first temperature sensor for detecting the temperature when the solar cell module 1 starts to work; A second temperature sensor for detecting the maximum temperature when the solar cell module 1 is working; A controller and an alarm, and the controller is electrically connected to the first temperature sensor, the second temperature sensor and the alarm.
[0033] Optionally, the controller controls the alarm to work based on the first temperature sensor and the second temperature sensor, including the following steps: Step 1: Calculate the total radiant energy of the solar cell module 1 according to formula (1)
[0034] (1); Where is the correction coefficient for the eccentricity of the Earth's orbit (a parameter used to correct the influence of the eccentricity of the Earth's revolution orbit around the sun on the average distance between the Earth and the sun, with a value range of 1.23 - 2.78), is the solar constant (representing the amount of solar radiation received per unit area and per unit time perpendicular to the sun's rays at the upper boundary of the Earth's atmosphere, with a value range of 1256 - 1582 ) is the angle between the solar cell module 1 and the horizontal plane, is the theoretical diffuse radiation energy of the solar cell module 1, is the theoretical reflected radiation energy of the solar cell module 1, is the atmospheric optical mass (representing the ratio of the actual distance that sunlight actually passes through the atmosphere to the average total thickness of the Earth's atmosphere), is the sine, is the cosine; Step 2: Calculate the actual power generation of the solar cell module 1 under the influence of dust accumulation on the surface of the solar cell module 1 according to the following formula (2), the detection values of the first temperature sensor and the second temperature sensor , the controller compares the actual power generation of the solar cell module 1 with the preset power generation range. When the actual power generation is not within the preset power generation range, the controller controls the alarm to give an alarm
[0035] (2); Where is the conversion efficiency of converting light energy of the photovoltaic panel in the solar cell module 1 into electrical energy, is the light transmittance of the photovoltaic panel in the solar cell module 1, is the detection value of the first temperature sensor, is the detection of the second temperature sensor, is the base of the natural logarithm, is the environmental coefficient around the installation position of the solar cell module 1 (with a value range of 0.81 - 1.36), is the height correction coefficient of the solar cell module 1 (with a value range of 0.24 - 1.73).
[0036] The beneficial effects of the above technical solution are as follows: Based on the formula (1), the controller calculates the total radiant energy of the solar cell module 1, and comprehensively considers the correction coefficient of the earth's orbital eccentricity, the solar constant, the angle between the solar cell module 1 and the horizontal plane, the theoretical diffuse radiation energy of the solar cell module 1, the theoretical reflected radiation energy of the solar cell module 1, and the atmospheric optical mass, so that the calculation result is more accurate and reliable; Then, according to the formula (2), the detection values of the first temperature sensor and the second temperature sensor, the conversion efficiency of the light energy of the photovoltaic panel in the solar cell module 1 into electric energy, the light transmittance of the photovoltaic panel in the solar cell module 1, the environmental coefficient around the installation position of the solar cell module 1, and the height correction coefficient of the solar cell module 1, the actual power generation power of the solar cell module 1 under the influence of dust accumulation on the surface area of the solar cell module 1 is calculated, so that the calculation result is more accurate and reliable; The controller compares the actual power generation power of the solar cell module 1 with the preset power generation power range. When the actual power generation power is not within the preset power generation power range, the controller controls the alarm to sound, thereby reminding the staff to repair or replace the solar cell module 1 in time. At the same time, observe whether there is too much dust accumulation on the surface area of the solar cell module 1, and then clean it effectively, thus meeting the user's requirements for this kind of solar cell protection device.
[0037] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and are not intended to limit them; although the present invention has been described in detail with reference to the foregoing embodiments, those of ordinary skill in the art should understand that they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements for some of the technical features; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.
Claims
1. A solar cell protection device, characterized in that: include: A solar cell assembly (1), wherein the solar cell assembly (1) is arranged in a U-shaped mounting plate (2), and solar cell assembly mounting mechanisms are arranged at the top ends of both sides of the U-shaped mounting plate (2), and the solar cell assembly (1) is also connected to a solar cell assembly cleaning mechanism.
2. A solar cell protection device according to claim 1, characterized in that: The solar cell assembly mounting mechanism comprises: a rotating rod (3), one end of a threaded rod (10) being fixedly mounted on the bottom end of the rotating rod (3), the other end of the threaded rod (10) passing through a mounting block (4) provided in a U-shaped mounting plate (2) and being threadedly connected to two sets of sliders (5), and finally being rotatably connected to the mounting block (4) at the bottom end, one end of a support rod (6) being movably connected to the two sets of sliders (5), the other end of the support rod (6) being connected to a clamping block (7), the clamping block (7) corresponding to clamping grooves (8) provided at the left and right ends of the solar cell assembly (1), and a plurality of return springs (9) being arranged on the inner walls of the U-shaped mounting plate (2) at the left and right ends of the mounting block (4).
3. A solar cell protection device according to claim 1, characterized in that: The solar cell assembly cleaning mechanism is arranged in the U-shaped mounting plate (2) at the front and rear ends, and comprises: a mounting frame (11), the mounting frame (11) being arranged in the U-shaped mounting plate (2), and a clamping plate (12) being clamped at the front end of the mounting frame (11), a motor protection shell (13) being fixedly mounted on the rear end outer wall of the mounting frame (11), a drive motor (14) being fixedly mounted on the left end inner wall of the motor protection shell (13), and a gear 1 (15) being fixedly mounted on the output end of the drive motor (14), the upper and lower ends of the gear 1 (15) being meshed and connected with a gear 2 (16) and a gear 3 (17) respectively, the front end of the gear 2 (16) being connected to the cleaning assembly, and the front end of the gear 3 (17) being connected to the walking mechanism.
4. A solar cell protection device according to claim 3, characterized in that: The cleaning component comprises: a rotating shaft (18), the rear end of the rotating shaft (18) being fixedly mounted on a gear (16), and the other end of the rotating shaft (18) passing through a mounting frame (11) and connected to a plurality of cleaning rods (19), the bottom ends of the cleaning rods (19) being in contact with the top end of the solar cell component (1), a long tube (20) being fixedly mounted on the inner wall of the top end of the mounting frame (11), and a plurality of nozzles (21) being arranged at the bottom end of the long tube (20), and the top end of the long tube (20) being connected to a water delivery device via a connecting tube (22).
5. A solar cell protection device according to claim 3, characterized in that: The walking mechanism comprises: one end of the second rotating shaft (23) is fixedly connected to the third gear (17), the other end of the second rotating shaft (23) is rotatably connected to the inner wall of the motor protection shell (13), and the second rotating shaft (23) is fixedly mounted with a fourth gear (24), the fourth gear (24) is meshingly connected with the fifth gear (25), the fifth gear (25) is connected with the third rotating shaft (26), and the third rotating shaft (26) is fixedly mounted with a plurality of moving wheels (27), the bottom ends of the moving wheels (27) are in contact with the inner wall of the groove provided in the U-shaped mounting plate (2).
6. A solar cell protection device according to claim 1, characterized in that: The surface of the solar cell assembly (1) is provided with an ultraviolet protection coating, and the ultraviolet protection coating is a transparent coating containing an ultraviolet absorber.
7. A solar cell protection device according to claim 1, characterized in that: The solar cell assembly (1) is also provided with a PID suppression module, which is a grounding device or a voltage compensation device, capable of reducing the potential of the cell assembly and suppressing the PID effect.
8. A solar cell protection device according to claim 1, characterized in that: The solar cell assembly (1) further comprises: A first temperature sensor, used to detect the temperature of the solar cell assembly (1) when it starts working; A second temperature sensor, used to detect the maximum temperature of the solar cell assembly (1) when it is in operation; A controller and an alarm, wherein the controller is electrically connected to the first temperature sensor, the second temperature sensor and the alarm.
9. A solar cell protection device according to claim 8, characterized in that: The controller controls the alarm to work based on the first temperature sensor and the second temperature sensor, including the following steps: Step 1: Calculate the total radiation energy of the solar cell module (1) according to formula (1): (1); in is the Earth orbit eccentricity correction factor, is the solar constant, is the angle between the solar cell module (1) and the horizontal plane, is the theoretical scattered radiation energy of the solar cell module (1), The theoretical reflected radiation energy of the solar cell module (1) is is the atmospheric optical quality, is a sine, is the cosine; Step 2: According to the following formula (2), the detection values of the first temperature sensor and the second temperature sensor, calculate the actual power generation of the solar cell assembly (1) under the influence of dust accumulation on the surface of the solar cell assembly (1): , the controller compares the actual power generation of the solar cell module (1) When the actual power generation is not within the preset power generation range, the controller controls the alarm to sound an alarm. (2); in is the conversion efficiency of the photovoltaic panel light energy into electrical energy in the solar cell module (1), is the light transmittance of the photovoltaic panel in the solar cell module (1), is the detection value of the first temperature sensor, Detected by the second temperature sensor, is the base of natural logarithms, The environmental factor of the solar cell module (1) installation location, is the height correction factor of the solar cell module (1).
Citation Information
Patent Citations
Solar cell module and solar cell system
CN219350249U