Staggered photovoltaic module arrangement structure for photovoltaic support

Abstract

The invention provides a staggered photovoltaic module arrangement structure for a photovoltaic support, and relates to the technical field of photovoltaic supports, the staggered photovoltaic module arrangement structure comprises a mounting base, the mounting base is rotatably connected with a rotating seat, the upper surface of the rotating seat is fixedly connected with an arrangement frame through a plurality of supporting columns with different heights, and the arrangement frame comprises an upper parallel section, a lower parallel section and a support. A plurality of sets of parallel installation shafts are arranged between the supports, photovoltaic assemblies are fixedly connected to the installation shafts, and a cleaning assembly is arranged on one side of the arrangement frame. According to the invention, it is ensured that the rear side of the photovoltaic module has a large space, the heat dissipation performance of the photovoltaic module in the working process is improved, the photovoltaic module is fixed on the mounting shaft in a suspended manner, it is ensured that sewage generated in the cleaning process of the module does not flow to other photovoltaic modules and does not accumulate on the photovoltaic bracket, and the automatic cleaning module is arranged, so that the cleaning efficiency is improved. A large amount of human resources are saved, and cleanliness of the photovoltaic module is guaranteed at the same time.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic brackets, and in particular to a staggered photovoltaic component arrangement structure for a photovoltaic bracket. Background Art

[0002] Solar photovoltaic bracket is a special bracket designed for placing, installing and fixing solar panels in solar photovoltaic power generation system.

[0003] The existing photovoltaic assembly arrangement structure, such as the staggered photovoltaic assembly arrangement structure for photovoltaic brackets disclosed in CN114050772A, has the following problems:

[0004] Without automatic cleaning components, the cleaning of photovoltaic panels needs to be done manually, which consumes a lot of human resources. Summary of the invention

[0005] The present invention provides a staggered photovoltaic assembly arrangement structure for a photovoltaic support, so as to solve the above-mentioned technical problems.

[0006] In order to solve the above technical problems, the present invention discloses a staggered photovoltaic component arrangement structure for a photovoltaic bracket, comprising a mounting base, a rotating seat rotatably connected to the mounting base, an arrangement frame fixedly connected to the upper surface of the rotating seat through a number of support columns of different heights, the arrangement frame comprising an upper parallel section, a bracket and a lower parallel section connected in sequence, brackets are arranged on both sides of the upper parallel section and the lower parallel section, a number of groups of mutually parallel installation shafts are arranged between the brackets, photovoltaic components are fixedly connected to the installation shafts, and a cleaning mechanism is arranged on one side of the arrangement frame.

[0007] Preferably, the installation inclination angle between the bracket and the ground is 10°.

[0008] Preferably, the photovoltaic cells in the photovoltaic module are N-type cells using shingling technology.

[0009] Preferably, brackets are arranged on both sides of the left and right sides between the upper parallel section and the lower parallel section, and the cleaning mechanism includes a group of parallel slide rails, which are fixedly connected to the upper surfaces of the upper parallel section and the lower parallel section, and a cleaning rack is slidably connected to the parallel slide rails along the left and right directions, and the cleaning rack is parallel to the brackets, and a telescopic seat is fixedly connected to the lower surface of the cleaning rack, and a plurality of groups of cleaning components are arranged at intervals on the lower surface of the telescopic seat.

[0010] Preferably, the cleaning assembly includes several groups of electric telescopic rods, the fixed ends of the electric telescopic rods are fixedly connected to the lower surface of the telescopic seat, the telescopic ends of the electric telescopic rods are rotatably connected to the cleaning heads, the cleaning heads are connected to the driving device, the driving device is used to drive the cleaning heads to rotate, the upper surface of the rotating seat is fixedly connected to a water tank, a water supply pipeline is arranged inside the cleaning rack, the water tank and the water inlet of the water supply pipeline are connected to each other through a water pumping pipe, and the water outlet of the water supply pipeline is connected to the cleaning head.

[0011] Preferably, the mounting shaft is a rotating shaft, the rotating shaft is rotatably connected to the bracket, and a first motor for driving the rotating shaft to rotate is arranged on the bracket, and further comprises:

[0012] The first acquisition device is arranged on the deployment frame and is used to obtain the solar altitude angle and the solar azimuth angle;

[0013] The second collecting device is arranged on the upper surface of the upper parallel section and is used to obtain the real-time wind direction and wind speed;

[0014] A setting unit is used to set inclination data and azimuth data for the photovoltaic module. The inclination data of the photovoltaic module is the angle formed by the photovoltaic module and the ground. The inclination data of the photovoltaic module in the initial state is the same as the angle formed by the bracket and the ground. The azimuth data of the photovoltaic module in the initial state is the same as the solar azimuth.

[0015] A first determination unit is used to determine the maximum efficiency inclination angle of the photovoltaic module according to the solar altitude angle;

[0016] A first calculation unit is used to calculate the maximum safe inclination angle of the photovoltaic module when the azimuth angle of the photovoltaic module is the same as the azimuth angle of the sun;

[0017] The first determination unit first sets the inclination data of all photovoltaic modules to the maximum efficiency inclination, and then calculates the shielding area of ​​each photovoltaic module from front to back based on the second calculation unit. If the shielding area of ​​each photovoltaic module is less than or equal to zero, the inclination data of all photovoltaic modules are retained as the maximum efficiency inclination; if the shielding area of ​​a photovoltaic module is greater than zero, the inclination data of the photovoltaic module with a shielding area greater than zero is set to the maximum efficiency inclination, and then the shielding adjustment angle of the photovoltaic module is calculated again based on the second calculation unit, and the inclination data of the photovoltaic module is corrected according to the shielding adjustment angle of the photovoltaic module, and the corrected inclination data of the photovoltaic module is used in the subsequent shielding area calculation process of the photovoltaic module;

[0018] The second determination unit compares the maximum safety tilt angle of the photovoltaic module with the maximum efficiency tilt angle of the photovoltaic module. If the maximum efficiency tilt angle of the photovoltaic module is less than the maximum safety tilt angle of the photovoltaic module, the tilt data and the azimuth data of the photovoltaic module are not modified; if the maximum efficiency tilt angle of the photovoltaic module is less than the maximum safety tilt angle of the photovoltaic module, the azimuth adjustment angle of the photovoltaic module is calculated, and the azimuth data of the photovoltaic module is corrected according to the azimuth adjustment angle of the photovoltaic module;

[0019] The third calculation unit is used to calculate the azimuth adjustment angle of the photovoltaic module;

[0020] The angle adjustment unit is used to adjust the angle of the photovoltaic module by driving the rotating seat and the installation shaft according to the inclination data and the azimuth data of the photovoltaic module.

[0021] Preferably, the second calculation unit uses Formula 1 to calculate the shielding area of ​​each photovoltaic module, and Formula 1 is:

[0022]

[0023] Among them, T i is the shielding area of ​​the i-th photovoltaic module, Q is the vertical distance between the two rotation axes, W is the horizontal distance between the two rotation axes, A is the length of the photovoltaic module, B is the width of the photovoltaic module, δ i-1 is the inclination angle of the i-1th photovoltaic module, μ is the maximum efficiency inclination angle, the width of the photovoltaic module is the contour length along the length direction of the rotation axis; tan is the tangent function, sin is the sine function, and cos is the cosine function.

[0024] Preferably, the second calculation unit uses Formula 2 to calculate the shading adjustment angle of the photovoltaic assembly, and Formula 2 is:

[0025]

[0026] Among them, τ i is the shading adjustment angle of the i-th photovoltaic module, sin -1 is the inverse sine function; μ is the maximum efficiency inclination angle.

[0027] Preferably, the first calculation unit calculates the maximum safe inclination angle using formula 3: Formula three is:

[0028]

[0029] in, is the maximum safe inclination angle, d is the diameter of the installation shaft, σ is the maximum allowable stress of the installation shaft material, S is the safety factor, L is the length of the installation shaft, ρ is the air density, V is the wind speed, C is the air resistance coefficient, α is the azimuth angle corresponding to the wind direction, β is the current azimuth angle of the photovoltaic module; cos is the cosine function; π is pi; A is the length of the photovoltaic module, and B is the width of the photovoltaic module.

[0030] Preferably, the third calculation unit uses Formula 4 to calculate the azimuth adjustment angle, and Formula 4 is:

[0031]

[0032] Among them, ε is the azimuth adjustment angle, μ is the maximum efficiency inclination angle, cos -1 is the arccosine function, β is the current azimuth angle of the PV module;

[0033] Formula 4 will obtain two azimuth adjustment angle values, and the one with the smaller absolute value is selected as the azimuth adjustment angle actually used.

[0034] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments.

[0035] Compared with the prior art, the present invention has the following beneficial effects:

[0036] By designing the arrangement frame structure to be an upper parallel section, a lower parallel section and a bracket, a large amount of space is ensured on the rear side of the photovoltaic module, thereby improving the heat dissipation performance of the photovoltaic module during operation. By staggering the photovoltaic modules, the light receiving area of ​​the photovoltaic modules is ensured, thereby ensuring the power generation efficiency. By fixing the photovoltaic modules in the air with the mounting axis, it is ensured that the sewage generated during the cleaning of the modules will not flow to the other photovoltaic modules and will not accumulate on the photovoltaic bracket. The automatic cleaning module is provided, thereby saving a large amount of human resources and ensuring the cleanliness of the photovoltaic modules. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0038] Figure 1 It is a structural schematic diagram of the present invention;

[0039] Figure 2 It is a left-side structural schematic diagram of the present invention;

[0040] Figure 3 for Figure 2 The enlarged structural diagram at A in the middle;

[0041] In the figure: 1. Mounting base; 2. Rotating seat; 3. Support column; 4. Arrangement frame; 401. Upper parallel section; 402. Lower parallel section; 403. Bracket; 5. Mounting axis; 6. Photovoltaic module; 7. Cleaning mechanism; 8. Parallel slide rails; 9. Cleaning rack; 10. Telescopic seat; 11. Electric telescopic rod; 12. Cleaning head; 13. Water tank; 14. Drain pipe. DETAILED DESCRIPTION

[0042] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0043] In addition, in the present invention, the descriptions of "first", "second", etc. are only used for descriptive purposes, and do not specifically refer to the order or sequence, nor are they used to limit the present invention. They are only 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 number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions and technical features between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in the field to implement them. When the combination of technical solutions is contradictory 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.

[0044] The present invention provides the following embodiments

[0045] Example 1

[0046] The embodiment of the present invention provides a staggered photovoltaic assembly arrangement structure for a photovoltaic support, such as Figure 1-3 As shown, it includes a mounting base 1, on which a rotating seat 2 is rotatably connected (preferably, a second motor is arranged in the mounting base 1 to drive the rotating seat 2 to rotate), and an arrangement frame 4 is fixedly connected to the upper surface of the rotating seat 2 through a plurality of support columns 3 at different heights, and the arrangement frame 4 includes an upper parallel section 401, a bracket 403 and a lower parallel section 402 connected in sequence, brackets 403 are arranged on both sides of the upper parallel section 401 and the lower parallel section 402, and a plurality of groups of mutually parallel mounting shafts 5 are arranged between the brackets 403, and a photovoltaic module 6 is fixedly connected to the mounting shaft 5, and a cleaning mechanism 7 is arranged on one side of the arrangement frame 4.

[0047] The beneficial effects of the above technical solution are:

[0048] By designing the arrangement frame 4 structure as an upper parallel section 401, a lower parallel section 402 and a bracket 403, a large amount of space is ensured on the rear side of the photovoltaic module 6, thereby improving the heat dissipation performance of the photovoltaic module 6 during operation; by staggering the photovoltaic modules 6, the light receiving area of ​​the photovoltaic modules 6 is ensured, thereby ensuring the power generation efficiency; by suspending the photovoltaic modules 6 through the installation shaft 5, it is ensured that the sewage generated during the cleaning process of the modules will not flow to the remaining photovoltaic modules 6 and will not accumulate on the photovoltaic bracket 403; by adjusting the azimuth and inclination of the photovoltaic modules 6 through the rotating seat 2 and the installation shaft 5, it is ensured that the photovoltaic modules 6 receive stronger sunlight, thereby improving the power generation efficiency.

[0049] Example 2

[0050] Based on the embodiment 1, the installation angle formed by the arrangement frame 44 and the ground is 10°.

[0051] Preferably, the photovoltaic cells in the photovoltaic assembly 66 are N-type cells using shingled technology.

[0052] The beneficial effects of the above technical solution are:

[0053] Compared with the mainstream P-type batteries on the market, N-type batteries have the advantages of good weak light effect, low temperature coefficient, and high conversion efficiency. For every degree increase in the temperature of traditional P-type batteries, the output power decreases by 0.4% to 0.5%, while the temperature coefficient of N-type batteries is only about half of the former. N-type batteries have the advantages of high conversion efficiency, high bifaciality, low temperature coefficient, and longer carrier life. At the same time, N-type components have a lower attenuation rate (1% in the first year, linear 0.4%). Therefore, the power generation of N-type components increases during their life cycle, greatly reducing the cost of power generation.

[0054] The shingled technology optimizes the module structure, greatly reduces the internal loss of the module, greatly increases the output power of the module, ensures the minimum power loss during the module packaging process, and effectively reduces the impact of reverse current and hot spot effect of the module. In terms of reliability, the connection method of the stacking can decompose the stress on the battery cell, better withstand mechanical loads than traditional modules, and have fewer hidden cracks. In addition, the shingled module has a stronger ability to resist shadow shading and a lower operating temperature. These advantages all guarantee its reliability.

[0055] Example 3

[0056] On the basis of Example 1 or 2, Figure 1-3As shown, brackets 403 are arranged on both sides between the upper parallel section 401 and the lower parallel section 402, and the cleaning mechanism 7 includes a group of parallel slide rails 8, and the parallel slide rails 8 are fixedly connected to the upper surfaces of the upper parallel section 401 and the lower parallel section 402, and a cleaning rack 9 is slidably connected to the parallel slide rails 8 along the left and right directions, and the cleaning rack 9 is parallel to the bracket 403, and a telescopic seat 10 is fixedly connected to the lower surface of the cleaning rack 9, and a plurality of groups of cleaning components are arranged at intervals on the lower surface of the telescopic seat 10.

[0057] Preferably, the cleaning assembly includes several groups of electric telescopic rods 11, the fixed ends of the electric telescopic rods 11 are fixedly connected to the lower surface of the telescopic seat 10, the telescopic ends of the electric telescopic rods 11 are rotatably connected to the cleaning heads 12, the cleaning heads 12 are connected to the driving device, the driving device is used to drive the cleaning heads 12 to rotate, a water tank 13 is fixedly connected to the upper surface of the rotating seat 2, a water supply pipeline is arranged inside the cleaning rack 9, the water tank 13 is connected to the water inlet of the water supply pipeline through a water pumping pipe 14, and the water outlet of the water supply pipeline is connected to the cleaning head 12.

[0058] The beneficial effects of the above technical solution are:

[0059] When the photovoltaic module 6 stops generating electricity at night, the cleaning rack 9 slides left and right on the parallel slide rails 8, driving the cleaning head 12 to slide across the surface of the photovoltaic module 6, starting the rotation of the cleaning head 12, and at the same time, the water suction pipe 14 draws clean water from the water tank 13 and sprays it onto the cleaning head 12, thereby improving the cleaning effect. By setting the electric telescopic rod 11 to adjust the distance between the cleaning head 12 and the surface of the photovoltaic module 6, the cleaning effect is ensured while ensuring that the cleaning head 12 does not cause damage to the photovoltaic module 6. The cleaning head 12 is rotatably connected to the telescopic end of the electric telescopic rod 11 to ensure that the cleaning head 12 and the photovoltaic module 6 are more closely fitted.

[0060] Example 4

[0061] On the basis of any one of embodiments 1-3, the mounting shaft is a rotating shaft, the rotating shaft is rotatably connected to the bracket, and a first motor for driving the rotating shaft to rotate is provided on the bracket, and further comprising:

[0062] A first acquisition device, arranged on the arrangement frame 4, is used to obtain the solar altitude angle and the solar azimuth angle;

[0063] A second collecting device is disposed on the upper surface of the upper parallel section 401 and is used to obtain real-time wind direction and wind speed;

[0064] A setting unit is used to set the inclination data and azimuth data for the photovoltaic assembly 6. The inclination data of the photovoltaic assembly 6 is the angle formed between the photovoltaic assembly 6 and the ground. The inclination data of the photovoltaic assembly 6 in the initial state is the same as the angle formed between the bracket 403 and the ground. The azimuth data of the photovoltaic assembly 6 in the initial state is the same as the solar azimuth.

[0065] A first determination unit is used to determine the maximum efficiency inclination angle of the photovoltaic assembly 6 according to the solar altitude angle;

[0066] A first calculation unit is used to calculate the maximum safe inclination angle of the photovoltaic assembly 6 when the azimuth angle of the photovoltaic assembly 6 is the same as the azimuth angle of the sun;

[0067] The first determination unit first sets the inclination data of all photovoltaic components 6 to the maximum efficiency inclination, and then calculates the shielding area of ​​each photovoltaic component 6 based on the second calculation unit from front to back. If the shielding area of ​​each photovoltaic component 6 is less than or equal to zero, the inclination data of all photovoltaic components 6 are retained as the maximum efficiency inclination; if the shielding area of ​​a photovoltaic component 6 is greater than zero, the inclination data of the photovoltaic component 6 with a shielding area greater than zero is set to the maximum efficiency inclination, and then the shielding adjustment angle of the photovoltaic component 6 is calculated again based on the second calculation unit, and the inclination data of the photovoltaic component 6 is corrected according to the shielding adjustment angle of the photovoltaic component 6, and the corrected inclination data of the photovoltaic component 6 is used in the subsequent shielding area calculation process of the photovoltaic component 6;

[0068] The second determination unit compares the maximum safety inclination angle of the photovoltaic assembly 6 with the maximum efficiency inclination angle of the photovoltaic assembly 6. If the maximum efficiency inclination angle of the photovoltaic assembly 6 is less than the maximum safety inclination angle of the photovoltaic assembly 6, the inclination data of the photovoltaic assembly 6 and the azimuth data of the photovoltaic assembly 6 are not modified; if the maximum efficiency inclination angle of the photovoltaic assembly 6 is greater than the maximum safety inclination angle of the photovoltaic assembly 6, the azimuth adjustment angle of the photovoltaic assembly 6 is calculated, and the azimuth data of the photovoltaic assembly 6 is corrected according to the azimuth adjustment angle of the photovoltaic assembly 6;

[0069] A third calculation unit, used to calculate the azimuth adjustment angle of the photovoltaic assembly 6;

[0070] The angle adjustment unit is used to adjust the angle of the photovoltaic assembly 6 by driving the rotating seat 2 and the mounting shaft 5 according to the inclination data of the photovoltaic assembly 6 and the azimuth data of the photovoltaic assembly 6 .

[0071] Preferably, the second calculation unit uses Formula 1 to calculate the shielding area of ​​each photovoltaic module, and Formula 1 is:

[0072]

[0073] Among them, T i is the shielding area of ​​the i-th photovoltaic module, Q is the vertical distance between the two rotation axes, W is the horizontal distance between the two rotation axes, A is the length of the photovoltaic module, B is the width of the photovoltaic module, δ i-1is the inclination angle of the i-1th photovoltaic module, μ is the maximum efficiency inclination angle, the width of the photovoltaic module is the contour length along the length direction of the rotation axis; tan is the tangent function, sin is the sine function, and cos is the cosine function.

[0074] Preferably, the second calculation unit uses Formula 2 to calculate the shading adjustment angle of the photovoltaic assembly, and Formula 2 is:

[0075]

[0076] Among them, τ i is the shading adjustment angle of the i-th photovoltaic module, sin -1 is the inverse sine function; μ is the maximum efficiency inclination angle.

[0077] Preferably, the first calculation unit calculates the maximum safe inclination angle using formula 3: Formula three is:

[0078]

[0079] in, is the maximum safe inclination angle, d is the diameter of the installation shaft, σ is the maximum allowable stress of the installation shaft material, S is the safety factor, L is the length of the installation shaft, ρ is the air density, V is the wind speed, C is the air resistance coefficient, α is the azimuth angle corresponding to the wind direction, β is the current azimuth angle of the photovoltaic module; cos is the cosine function; π is pi; A is the length of the photovoltaic module, and B is the width of the photovoltaic module.

[0080] Preferably, the third calculation unit uses Formula 4 to calculate the azimuth adjustment angle, and Formula 4 is:

[0081]

[0082] Among them, ε is the azimuth adjustment angle, μ is the maximum efficiency inclination angle, cos -1 is the arccosine function, β is the current azimuth angle of the PV module;

[0083] Formula 4 will obtain two azimuth adjustment angle values, and the one with the smaller absolute value is selected as the azimuth adjustment angle actually used.

[0084] The angle adjustment unit is used to control the operation of the first motor and the second motor, and adjust the angle;

[0085] In this embodiment, the azimuth angle of the photovoltaic assembly 6 is the azimuth angle corresponding to the projection of the vertical line of the sunlight receiving surface of the photovoltaic assembly 6 on the ground.

[0086] In this embodiment, the maximum efficiency inclination angle of the photovoltaic assembly 6 is the inclination angle at which the power generation efficiency of the photovoltaic assembly 6 is the highest when the photovoltaic assembly 6 is at the inclination angle at that moment.

[0087] In this embodiment, the maximum efficiency inclination angle of the photovoltaic assembly 6 is the complementary angle of the solar altitude angle at that moment.

[0088] In this embodiment, the safety factor is the ratio of the ultimate stress to the allowable stress when designing civil engineering, mechanical engineering, etc. In order to prevent the consequences caused by factors such as material defects, working deviations, and sudden increases in external forces, the force that the load-bearing part of the project can theoretically bear must be greater than the force it actually bears, that is, the ratio of the ultimate stress to the allowable stress. The ratio of the two is called the safety factor. The safety factor in Formula 3 and Formula 4 ranges from 1.3 to 1.5.

[0089] In this embodiment, the shielding area of ​​the photovoltaic assembly 6 is the area where the photovoltaic assembly 6 on the rear side cannot receive sunlight due to the shielding of the photovoltaic assembly 6 on the front side.

[0090] In this embodiment, the shielding adjustment angle of the photovoltaic assembly 6 is the minimum angle at which the inclination of the photovoltaic assembly 6 needs to be adjusted when the shielding area of ​​the photovoltaic assembly 6 is adjusted to zero.

[0091] In this embodiment, the maximum safe inclination angle of the photovoltaic assembly 6 is the maximum allowable inclination angle of the photovoltaic assembly 6 that can ensure safety at the current moment. When the inclination angle of the photovoltaic assembly 6 is greater than the maximum safe inclination angle, the photovoltaic assembly 6 is at risk of being damaged.

[0092] In this implementation, the drag coefficient is often expressed as (Cd, Cx, Cw) and is a dimensionless quantity in fluid mechanics, used to represent the resistance of an object in a fluid (such as water or air). The drag coefficient appears in the drag equation, and a smaller drag coefficient means that the object is subject to less wind resistance or fluid resistance. The drag coefficient is related to the shape of the object and its surface characteristics.

[0093] In this embodiment, the azimuth adjustment angle is the angle at which the azimuth of the photovoltaic assembly 6 needs to be rotated to ensure the safety of the photovoltaic assembly 6 .

[0094] The beneficial effects of the above technical solution are:

[0095] By obtaining the solar altitude angle and the solar azimuth angle, the first calculation unit calculates at what angle the inclination of the photovoltaic component 6 can achieve the maximum power generation efficiency, and by obtaining the real-time wind speed and wind direction, the maximum safe inclination angle when the azimuth angle of the photovoltaic component 6 is the same as the solar azimuth angle is determined. By calculating the shielding area of ​​the photovoltaic component 6, it is confirmed whether each photovoltaic component 6 is blocked by the photovoltaic component 6 on the front side. When it is calculated that the photovoltaic component 6 on the rear side is blocked by the photovoltaic component 6 on the front side, the inclination angle of the photovoltaic component 6 on the rear side is adjusted to ensure that all photovoltaic components 6 can fully receive sunlight, and prevent some photovoltaic components 6 from being blocked and unable to receive sunlight, affecting the power generation efficiency. By comparing the maximum efficiency inclination angle and the maximum safety inclination angle, it is determined whether the current inclination angle of the photovoltaic component 6 is safe, ensuring that the photovoltaic component 6 will not be subjected to excessive resistance, causing bending or breaking of the installation shaft 5, and preventing damage to the photovoltaic bracket 403.

[0096] Since the azimuth angle has little effect on the power generation efficiency, the inclination angle of the photovoltaic module 6 is maintained at the maximum efficiency inclination angle. The windward area of ​​the photovoltaic module 6 is changed by adjusting the azimuth angle to ensure the safety of the photovoltaic bracket 403. This can maintain a higher power generation efficiency while ensuring the safety of the photovoltaic bracket 403.

[0097] There are two answers to the rotation angle calculated by formula four, corresponding to the sunlight receiving surface of the photovoltaic component 6 facing the sunlight and facing away from the sunlight. Since the photovoltaic component 6 currently has the sunlight receiving surface facing the sunlight, the rotation result of the smaller rotation amount of the two rotation angles calculated by formula two is that the sunlight receiving surface faces the sunlight. The actual adjustment angle is determined from the two azimuth adjustment angles calculated by formula two through logical judgment, which reduces the amount of calculation in the process of determining the actual adjustment angle and improves the response speed of the photovoltaic bracket 403.

[0098] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.

Claims

1. A staggered photovoltaic assembly arrangement structure for a photovoltaic support, characterized in that: The invention comprises a mounting base (1), a rotating base (2) being rotatably connected to the mounting base (1), an arrangement frame (4) being fixedly connected to the upper surface of the rotating base (2) via a plurality of support columns (3) of different heights, the arrangement frame (4) comprising an upper parallel section (401), a bracket (403) and a lower parallel section (402) connected in sequence, brackets (403) being arranged on opposite sides between the upper parallel section (401) and the lower parallel section (402), a plurality of groups of mutually parallel mounting shafts (5) being arranged between the brackets (403), photovoltaic modules (6) being fixedly connected to the mounting shafts (5), and a cleaning mechanism (7) being arranged on one side of the arrangement frame (4).

2. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 1, characterized in that: The installation inclination angle formed by the bracket (403) and the ground is 10°.

3. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 1, characterized in that: The photovoltaic cells in the photovoltaic module (6) are N-type cells using shingling technology.

4. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 1, characterized in that: Brackets (403) are arranged on both left and right sides between the upper parallel section (401) and the lower parallel section (402); the cleaning mechanism (7) comprises a group of parallel slide rails (8); the parallel slide rails (8) are fixedly connected to the upper surfaces of the upper parallel section (401) and the lower parallel section (402); a cleaning rack (9) is slidably connected to the parallel slide rails (8) in the left and right directions; the cleaning rack (9) is parallel to the brackets (403); a telescopic seat (10) is fixedly connected to the lower surface of the cleaning rack (9); and a plurality of cleaning components are arranged at intervals on the lower surface of the telescopic seat (10).

5. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 4, characterized in that: The cleaning assembly comprises a plurality of groups of electric telescopic rods (11), the fixed ends of the electric telescopic rods (11) are fixedly connected to the lower surface of the telescopic seat (10), the telescopic ends of the electric telescopic rods (11) are rotatably connected to a cleaning head (12), the cleaning head (12) is connected to a driving device, the driving device is used to drive the cleaning head (12) to rotate, a water tank (13) is fixedly connected to the upper surface of the rotating seat (2), a water supply pipeline is arranged inside the cleaning rack (9), the water tank (13) is connected to the water inlet of the water supply pipeline through a water pumping pipe (14), and the water outlet of the water supply pipeline is connected to the cleaning head (12).

6. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 1, characterized in that: The mounting shaft (5) is a rotating shaft, the rotating shaft is rotatably connected to the bracket (403), and a first motor for driving the rotating shaft to rotate is arranged on the bracket (403). The staggered photovoltaic assembly arrangement structure for the photovoltaic bracket also includes: A first acquisition device is arranged on the arrangement frame (4) and is used to acquire the solar altitude angle and the solar azimuth angle; A second collecting device, arranged on the upper surface of the upper parallel section (401), for obtaining real-time wind direction and wind speed; A setting unit is used to set inclination data and azimuth data for the photovoltaic assembly (6), wherein the inclination data of the photovoltaic assembly (6) is the angle formed between the photovoltaic assembly (6) and the ground, the inclination data of the photovoltaic assembly (6) in the initial state is the same as the angle formed between the bracket (403) and the ground, and the azimuth data of the photovoltaic assembly (6) in the initial state is the same as the solar azimuth; A first determination unit is used to determine the maximum efficiency inclination angle of the photovoltaic module (6) according to the solar altitude angle; A first calculation unit is used to calculate the maximum safe inclination angle of the photovoltaic assembly (6) when the azimuth angle of the photovoltaic assembly (6) is the same as the azimuth angle of the sun; The first determination unit first sets the inclination data of all photovoltaic modules (6) to the maximum efficiency inclination, and then calculates the shielding area of ​​each photovoltaic module (6) from front to back based on the second calculation unit. If the shielding area of ​​each photovoltaic module (6) is less than or equal to zero, the inclination data of all photovoltaic modules (6) are retained as the maximum efficiency inclination; if the shielding area of ​​a photovoltaic module (6) is greater than zero, the inclination data of the photovoltaic module (6) with a shielding area greater than zero is set to the maximum efficiency inclination, and the shielding adjustment angle of the photovoltaic module (6) is calculated again based on the second calculation unit, and the inclination data of the photovoltaic module (6) is corrected according to the shielding adjustment angle of the photovoltaic module (6), and the corrected inclination data of the photovoltaic module (6) is used in the subsequent shielding area calculation process of the photovoltaic module (6); The second determination unit compares the maximum safety tilt angle of the photovoltaic assembly (6) with the maximum efficiency tilt angle of the photovoltaic assembly (6); if the maximum efficiency tilt angle of the photovoltaic assembly (6) is smaller than the maximum safety tilt angle of the photovoltaic assembly (6), the tilt angle data of the photovoltaic assembly (6) and the azimuth angle data of the photovoltaic assembly (6) are not modified; if the maximum efficiency tilt angle of the photovoltaic assembly (6) is larger than the maximum safety tilt angle of the photovoltaic assembly (6), the azimuth angle adjustment angle of the photovoltaic assembly (6) is calculated, and the azimuth angle data of the photovoltaic assembly (6) is corrected according to the azimuth angle adjustment angle of the photovoltaic assembly (6); A third calculation unit, used for calculating the azimuth adjustment angle of the photovoltaic assembly (6); The angle adjustment unit is used to adjust the angle of the photovoltaic assembly (6) by driving the rotating seat (2) and the installation shaft (5) according to the inclination data of the photovoltaic assembly (6) and the azimuth data of the photovoltaic assembly (6).

7. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 6, characterized in that: The second calculation unit calculates the shielding area of ​​each photovoltaic module using Formula 1, which is: Among them, T i is the shielding area of ​​the i-th photovoltaic module, Q is the vertical distance between the two rotation axes, W is the horizontal distance between the two rotation axes, A is the length of the photovoltaic module, B is the width of the photovoltaic module, δ i-1 is the inclination angle of the i-1th photovoltaic module, μ is the maximum efficiency inclination angle, the width of the photovoltaic module is the contour length along the length direction of the rotation axis; tan is the tangent function, sin is the sine function, and cos is the cosine function.

8. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 7, characterized in that: The second calculation unit uses Formula 2 to calculate the shading adjustment angle of the photovoltaic module. Formula 2 is: Among them, τ i is the shading adjustment angle of the i-th photovoltaic module, sin -1 is the inverse sine function; μ is the maximum efficiency inclination angle.

9. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 6, characterized in that: The first calculation unit calculates the maximum safe inclination angle θ using formula 3, which is: Among them, θ is the maximum safe inclination angle, d is the diameter of the installation shaft, σ is the maximum allowable stress of the installation shaft material, S is the safety factor, L is the length of the installation shaft, ρ is the air density, V is the wind speed, C is the air resistance coefficient, α is the azimuth angle corresponding to the wind direction, β is the current azimuth angle of the photovoltaic module; cos is the cosine function; π is pi; A is the length of the photovoltaic module, and B is the width of the photovoltaic module.

10. The staggered photovoltaic assembly arrangement structure for a photovoltaic support according to claim 9, characterized in that: The third calculation unit uses formula 4 to calculate the azimuth adjustment angle, and formula 4 is: Among them, ε is the azimuth adjustment angle, μ is the maximum efficiency inclination angle, cos -1 is the arccosine function, β is the current azimuth angle of the PV module; Formula 4 will obtain two azimuth adjustment angle values, and the one with the smaller absolute value is selected as the azimuth adjustment angle actually used.

Images