A method and system for regulating a photovoltaic power generation system for agricultural-photovoltaic complementarity

Abstract

The present application proposes a method and system for adjusting a photovoltaic power generation system for agricultural-photovoltaic complementarity, the method comprising: obtaining the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted; inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted into a pre-constructed crop planting illumination optimization model, and solving the crop planting illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system; adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value. The technical solution proposed in the present application can accurately adjust the rotation angle of the prism based on the solar altitude angle, so that the crop plants can obtain more direct light and scattered light in the planting area.

Description

Technical Field

[0001] The present application relates to the field of photovoltaic regulation, and in particular to a regulation method and system for a photovoltaic power generation system for agricultural-photovoltaic complementarity. Background Art

[0002] With the development and utilization of clean energy, photovoltaic power generation has become one of the electricity sources for industrial and agricultural production and daily life. As far as current photovoltaic power generation is concerned, most of them use flat photovoltaic panels to receive solar energy and convert it into electrical energy for external output. The larger the area, the higher the power generation efficiency, so it is inevitable to occupy a large amount of land area. my country is a large agricultural country with a large amount of agricultural land, and some crops are not good at receiving too much light. For this reason, "agricultural-photovoltaic complementary" photovoltaic power generation combined with agriculture has emerged, which organically combines agricultural planting with photovoltaic power generation. It can not only use the planting land in the vast rural areas for photovoltaic power generation, thereby transmitting industrial and agricultural production and daily life electricity, but also ensure the normal growth of crops, ecological mutual feedback, win-win benefits, and promote the development of agriculture and photovoltaic industry.

[0003] In the related technology, the agricultural-photovoltaic complementary power generation only uses an angle-changing device to receive solar energy, without considering how to take into account the photosynthesis necessary for crop growth while completing photovoltaic power generation. This makes it difficult to truly achieve a win-win effect for agriculture and the photovoltaic industry. Summary of the invention

[0004] The present application provides a regulation method and system for a photovoltaic power generation system for agricultural-photovoltaic complementarity, so as to at least solve the technical problem that photosynthesis necessary for crop growth is not taken into account during photovoltaic power generation.

[0005] The first embodiment of the present application provides a method for regulating a photovoltaic power generation system for agricultural-photovoltaic complementarity, the method comprising:

[0006] Obtaining the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted;

[0007] Inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the time period to be adjusted into a pre-constructed crop plant illumination optimization model, and solving the crop plant illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system;

[0008] The angle of the prism in the photovoltaic power generation system is adjusted based on the rotation angle reference value.

[0009] Preferably, the structural parameters of the photovoltaic power generation system include:

[0010] The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

[0011] Furthermore, the process of constructing the crop plant lighting optimization model includes:

[0012] The objective function is constructed with the goal of maximizing the sum of the total length of the direct area and the total length of the scattered area in the planting area of ​​the crop plants;

[0013] Taking the left and right coordinate difference constraints of the photovoltaic panel, the left coordinate constraints between the two photovoltaic panels, the right coordinate constraints of the rightmost photovoltaic panel, the rotation angle constraints of the prism on the right side of the photovoltaic panel, the rotation angle constraints of the prism on the left side of the photovoltaic panel, and the vertex angle constraints of the prism as constraint conditions, and combining with the objective function, a crop plant lighting optimization model is constructed.

[0014] Furthermore, the objective function is calculated as follows:

[0015] maxL=L ZS +L SS

[0016] Where, L is the total length of the irradiated area of ​​the crop planting area, L ZS is the direct area of ​​the crop planting area, L SS It is the scattered area of ​​the planting area of ​​the crop plants.

[0017] Furthermore, the calculation formula of the left and right coordinate difference constraint condition of the photovoltaic panel is as follows:

[0018]

[0019] In the formula, is the right coordinate of the i-th photovoltaic panel, is the left coordinate of the i-th photovoltaic panel, l0 is the length of the photovoltaic panel, and n is the total number of photovoltaic panels;

[0020] The calculation formula of the left coordinate constraint condition between the two photovoltaic panels is as follows:

[0021]

[0022] In the formula, is the left coordinate of the i+1th photovoltaic panel;

[0023] The calculation formula of the right coordinate constraint condition of the rightmost photovoltaic panel is as follows:

[0024]

[0025] In the formula, is the right coordinate of the nth photovoltaic panel, and L0 is the length of the bracket;

[0026] The calculation formula of the rotation angle constraint condition of the prism on the right side of the photovoltaic panel is as follows:

[0027] θ1≤θ i ≤θ2,i=1,2,...,n

[0028] Where θ1 is the minimum rotation angle of the prism, θ i is the rotation angle of the prism on the right side of the i-th photovoltaic panel, and θ2 is the maximum rotation angle of the prism;

[0029] The calculation formula of the rotation angle constraint condition of the prism on the left side of the photovoltaic panel is as follows:

[0030] π-θ2≤δ i ≤π-θ1,i=1,2,...,n

[0031] In the formula, δ i is the rotation angle of the prism on the left side of the i-th photovoltaic panel;

[0032] The calculation formula of the vertex angle constraint condition of the prism is as follows:

[0033]

[0034]

[0035] In the formula, is the incident angle of the incident light of the prism on the right side of the i-th photovoltaic panel, is the incident angle of the incident light of the prism on the left side of the i-th photovoltaic panel, and α is the vertex angle of the prism.

[0036] Furthermore, the calculation formula for the total length of the direct area of ​​the crop planting area is as follows:

[0037]

[0038] In the formula, is the left coordinate of the projection of the i+1th photovoltaic panel, is the right coordinate of the projection of the i-th photovoltaic panel, x Zr is the coordinate of the right side projection of the bracket;

[0039] The total length L of the scattering area of ​​the crop planting area SS The calculation formula is as follows:

[0040]

[0041] Where w0 is the length of the isosceles side of the prism, h0 is the height of the bracket, and h is the solar altitude angle. is the emission angle of the red light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the left side of the i-th photovoltaic panel, is the emission angle of the red light from the prism on the left side of the i-th photovoltaic panel.

[0042] The second embodiment of the present application provides a regulation system for a photovoltaic power generation system for agricultural-photovoltaic complementarity, comprising:

[0043] An acquisition module is used to acquire the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted;

[0044] An optimization module, for inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the time period to be adjusted into a pre-constructed crop plant illumination optimization model, and solving the crop plant illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system;

[0045] The adjusting module is used to adjust the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value.

[0046] Preferably, the structural parameters of the photovoltaic power generation system include:

[0047] The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

[0048] The third aspect of the present application provides an electronic device, comprising: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method described in the first aspect is implemented.

[0049] A fourth aspect of the present application provides a computer-readable storage medium having a computer program stored thereon, which, when executed by a processor, implements the method described in the first aspect of the present application.

[0050] The technical solution provided by the embodiments of the present application brings at least the following beneficial effects:

[0051] The present application proposes a method and system for adjusting a photovoltaic power generation system for agricultural-photovoltaic complementarity, the method comprising: obtaining the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted; inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted into a pre-constructed crop planting illumination optimization model, and solving the crop planting illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system; adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value. The technical solution proposed in the present application can accurately adjust the rotation angle of the prism based on the solar altitude angle, so that the crop planting area can obtain more direct light and scattered light.

[0052] Additional aspects and advantages of the present application will be given in part in the description below, and in part will become apparent from the description below, or will be learned through the practice of the present application. BRIEF DESCRIPTION OF THE DRAWINGS

[0053] The above and / or additional aspects and advantages of the present application will become apparent and easily understood from the following description of the embodiments in conjunction with the accompanying drawings, in which:

[0054] Figure 1 A flow chart of a method for regulating a photovoltaic power generation system for agricultural-photovoltaic complementation provided according to an embodiment of the present application;

[0055] Figure 2 A structural diagram of a photovoltaic power generation system provided according to an embodiment of the present application;

[0056] Figure 3 A front view of a prism provided according to an embodiment of the present application;

[0057] Figure 4 A side view of a prism provided according to an embodiment of the present application;

[0058] Figure 5 A detailed schematic diagram of the connection between prisms provided according to an embodiment of the present application;

[0059] Figure 6 A schematic diagram of the planar structure of a photovoltaic power generation system and a crop planting area provided according to an embodiment of the present application;

[0060] Figure 7 A schematic diagram of the angle of a prism in a photovoltaic power generation system provided according to an embodiment of the present application;

[0061] Figure 8 This is a structural diagram of a regulating system for a photovoltaic power generation system for agricultural-photovoltaic complementarity provided according to an embodiment of the present application. DETAILED DESCRIPTION

[0062] Embodiments of the present application are described in detail below, and examples of the embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals throughout represent the same or similar elements or elements having the same or similar functions. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present application, and should not be construed as limiting the present application.

[0063] The present application proposes a method and system for adjusting a photovoltaic power generation system for agricultural-photovoltaic complementarity, the method comprising: obtaining the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted; inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted into a pre-constructed crop planting illumination optimization model, and solving the crop planting illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system; adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value. The technical solution proposed in the present application can accurately adjust the rotation angle of the prism based on the solar altitude angle, so that the crop planting area can obtain more direct light and scattered light.

[0064] The following describes a regulation method and system for a photovoltaic power generation system for agricultural-photovoltaic complementarity according to an embodiment of the present application with reference to the accompanying drawings.

[0065] Embodiment 1

[0066] Figure 1 This is a flow chart of a method for regulating a photovoltaic power generation system for agricultural-photovoltaic complementarity provided according to an embodiment of the present application, such as Figure 1 As shown, the method includes:

[0067] Step 1: Obtain the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted.

[0068] It should be noted that if Figure 2 As shown, the photovoltaic power generation system includes a bracket, a photovoltaic panel, a gap sunlight incidence adjustment device, and a prism, wherein gaps are left between each photovoltaic panel and the size of the gaps can be adjusted by the gap sunlight incidence adjustment device;

[0069] The photovoltaic power generation system further includes a prism, which is mounted on the left and right sides of the photovoltaic panel. Figure 3 , 4 , 5 show the front view, side view and detailed view of the connection between the photovoltaic panel and the prism, respectively.

[0070] Furthermore, the structural parameters of the photovoltaic power generation system include:

[0071] The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

[0072] In this embodiment, Figure 6 As shown in the figure, the photovoltaic power generation system of a single-layer terrace is regarded as a plane, and Figure 6 Construct an XY coordinate system (the X direction is the east). When the solar altitude angle is h, the incident light vector is (-cosh, -sinh). The tea trees in the figure are agricultural crop plants.

[0073] At the same time, before entering the step, it also includes constructing a crop plant lighting optimization model, and the construction process of the crop plant lighting optimization model includes:

[0074] The objective function is constructed with the goal of maximizing the sum of the total length of the direct area and the total length of the scattered area in the planting area of ​​the crop plants;

[0075] Taking the left and right coordinate difference constraints of the photovoltaic panel, the left coordinate constraints between the two photovoltaic panels, the right coordinate constraints of the rightmost photovoltaic panel, the rotation angle constraints of the prism on the right side of the photovoltaic panel, the rotation angle constraints of the prism on the left side of the photovoltaic panel, and the vertex angle constraints of the prism as constraint conditions, and combining with the objective function, a crop plant lighting optimization model is constructed.

[0076] The objective function is calculated as follows:

[0077] maxL=L ZS +L SS

[0078] Where, L is the total length of the irradiated area of ​​the crop planting area, L ZS is the direct area of ​​the crop planting area, L SS It is the scattered area of ​​the planting area of ​​the crop plants.

[0079] The calculation formula of the left and right coordinate difference constraint condition of the photovoltaic panel is as follows:

[0080]

[0081] In the formula, is the right coordinate of the i-th photovoltaic panel, is the left coordinate of the i-th photovoltaic panel, l0 is the length of the photovoltaic panel, and n is the total number of photovoltaic panels;

[0082] The calculation formula of the left coordinate constraint condition between the two photovoltaic panels is as follows:

[0083]

[0084] In the formula, is the left coordinate of the i+1th photovoltaic panel;

[0085] The calculation formula of the right coordinate constraint condition of the rightmost photovoltaic panel is as follows:

[0086]

[0087] In the formula, is the right coordinate of the nth photovoltaic panel, and L0 is the length of the bracket;

[0088] The calculation formula of the rotation angle constraint condition of the prism on the right side of the photovoltaic panel is as follows:

[0089] θ1≤θ i ≤θ2,i=1,2,...,n

[0090] Where θ1 is the minimum rotation angle of the prism, θ i is the rotation angle of the prism on the right side of the i-th photovoltaic panel, and θ2 is the maximum rotation angle of the prism;

[0091] The calculation formula of the rotation angle constraint condition of the prism on the left side of the photovoltaic panel is as follows:

[0092] π-θ2≤δ i ≤π-θ1,i=1,2,...,n

[0093] In the formula, δ i is the rotation angle of the prism on the left side of the i-th photovoltaic panel;

[0094] The calculation formula of the vertex angle constraint condition of the prism is as follows:

[0095]

[0096]

[0097] In the formula, is the incident angle of the incident light of the prism on the right side of the i-th photovoltaic panel, is the incident angle of the incident light of the prism on the left side of the i-th photovoltaic panel, and α is the vertex angle of the prism.

[0098] In the disclosed embodiment, the total length of the direct area of ​​the crop plant planting area is calculated as follows:

[0099]

[0100] In the formula, is the left coordinate of the projection of the i+1th photovoltaic panel, is the right coordinate of the projection of the i-th photovoltaic panel, x zr is the coordinate of the right side projection of the bracket;

[0101] It should be noted that for the XY plane, the area of ​​direct light becomes the projected length of the gap between photovoltaic panels. According to the bracket coordinates, the coordinates of the i-th photovoltaic panel and the solar altitude angle h, the coordinates of the projection of the i-th photovoltaic panel are obtained:

[0102]

[0103]

[0104] In the formula, is the left coordinate of the projection of the i-th photovoltaic panel, is the right coordinate of the projection of the i-th photovoltaic panel;

[0105] In actual situations, there is direct sunlight from both sides of the bracket, and the coordinates of the projections on the left and right sides of the bracket are obtained:

[0106] x zl =-tanh

[0107] x zr =L0-tanh

[0108] In the formula, x zl is the coordinate of the left projection of the bracket, x zr is the coordinate of the right side projection of the bracket, L0 is the length of the bracket;

[0109] And according to the solar altitude angle, the interval belonging to (0, L0) is selected in the following two intervals:

[0110] (0,x zl ) / (x zr ,L0)

[0111] Therefore, the direct area interval is or The calculation formula for the total length of the direct area of ​​the crop planting area is as follows:

[0112]

[0113] In the embodiment of the present disclosure, the total length L of the scattering area of ​​the crop plant planting area is SS The calculation formula is as follows:

[0114]

[0115] Where w0 is the length of the isosceles side of the prism, h0 is the height of the bracket, and h is the solar altitude angle. is the emission angle of the red light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the left side of the i-th photovoltaic panel, is the emission angle of the red light from the prism on the left side of the i-th photovoltaic panel.

[0116] It should be noted that if Figure 7 As shown, first solve the prism hanging on the right side of the i-th photovoltaic panel. According to the rotation angle θ of the prism i and the vertex angle α to obtain the direction vector of the isosceles side close to the crop plant: (cos(θ i +α),-sin(θ i +α)), and the coordinates of the two points can be obtained: and

[0117] According to the experimental determination of the refractive index of the prism, the refractive index of red light is n r , the refractive index of violet light is n p , find the deflection angles of red and purple light:

[0118]

[0119]

[0120] In the formula, is the incident light and red light outgoing light shape of the prism on the right side of the i-th photovoltaic panel, is the deflection angle formed by the incident light of the prism on the right side of the i-th photovoltaic panel and the purple light outgoing light;

[0121] According to the incident light vector (-cosh, -sinh) and the deflection angles of red light and purple light, the red light outgoing light vector and the purple light outgoing light vector can be obtained:

[0122] and

[0123] Combining the coordinates of the two points on the isosceles edge close to the crop plants and the red and purple light outgoing light vectors, the scattering length interval of the prism hung on the right side of the i-th photovoltaic panel can be obtained (red light on the left, purple light on the right):

[0124]

[0125] Similarly, the direction vector of the isosceles edge of the prism hanging on the left side of the i-th photovoltaic panel close to the crop plant is: (cosδ i ,-sinδ i ), and the coordinates of its two points can be obtained: and Red outgoing ray vector and violet outgoing ray vector:

[0126] and

[0127] In the formula, is the emission angle of the red light emitted by the prism on the left side of the i-th photovoltaic panel, is the emission angle of the purple light emitted by the prism on the left side of the i-th photovoltaic panel;

[0128] The scattering length interval of the prism hung on the left side of the i-th photovoltaic panel can be obtained (purple light is on the left, red light is on the right):

[0129]

[0130] So the scattering area interval is

[0131] Then the total length of the scattering area is obtained as:

[0132]

[0133] It should be noted that when the light is totally reflected inside the triangular pyramid, the illuminated area is 0.

[0134] Step 2: Input the structural parameters of the photovoltaic power generation system and the solar altitude angle during the period to be adjusted into a pre-constructed crop plant lighting optimization model, and solve the crop plant lighting optimization model to obtain a reference value of the rotation angle of the prism in the photovoltaic power generation system.

[0135] Step 3: Adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value.

[0136] To sum up, the adjustment method of the photovoltaic power generation system for agricultural-photovoltaic complementarity proposed in this embodiment can accurately adjust the rotation angle of the prism based on the solar altitude angle, so that the planting area of ​​crop plants can obtain more direct light and scattered light, achieving a win-win effect for agriculture and the photovoltaic industry.

[0137] Embodiment 2

[0138] Figure 8The structure diagram of a regulating system for a photovoltaic power generation system for agricultural-photovoltaic complementation provided according to an embodiment of the present application is as follows: Figure 8 As shown, the system comprises:

[0139] An acquisition module 100 is used to acquire the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted;

[0140] The optimization module 200 is used to input the structural parameters of the photovoltaic power generation system and the solar altitude angle of the time period to be adjusted into a pre-constructed crop plant illumination optimization model, and solve the crop plant illumination optimization model to obtain a reference value of the rotation angle of the prism in the photovoltaic power generation system;

[0141] The adjustment module 300 is used to adjust the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value.

[0142] It should be noted that the structural parameters of the photovoltaic power generation system include:

[0143] The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

[0144] The process of establishing the crop plant illumination optimization model includes:

[0145] The objective function is constructed with the goal of maximizing the sum of the total length of the direct area and the total length of the scattered area in the planting area of ​​the crop plants;

[0146] Taking the left and right coordinate difference constraints of the photovoltaic panel, the left coordinate constraints between the two photovoltaic panels, the right coordinate constraints of the rightmost photovoltaic panel, the rotation angle constraints of the prism on the right side of the photovoltaic panel, the rotation angle constraints of the prism on the left side of the photovoltaic panel, and the vertex angle constraints of the prism as constraint conditions, and combining with the objective function, a crop plant lighting optimization model is constructed.

[0147] It should be noted that the calculation formula of the objective function is as follows:

[0148] max L=L ZS +L SS

[0149] Where, L is the total length of the irradiated area of ​​the crop planting area, L ZS is the direct area of ​​the crop planting area, L SSIt is the scattered area of ​​the planting area of ​​the crop plants.

[0150] The calculation formula of the left and right coordinate difference constraint condition of the photovoltaic panel is as follows:

[0151]

[0152] In the formula, is the right coordinate of the i-th photovoltaic panel, is the left coordinate of the i-th photovoltaic panel, l0 is the length of the photovoltaic panel, and n is the total number of photovoltaic panels;

[0153] The calculation formula of the left coordinate constraint condition between the two photovoltaic panels is as follows:

[0154]

[0155] In the formula, is the left coordinate of the i+1th photovoltaic panel;

[0156] The calculation formula of the right coordinate constraint condition of the rightmost photovoltaic panel is as follows:

[0157]

[0158] In the formula, is the right coordinate of the nth photovoltaic panel, and L0 is the length of the bracket;

[0159] The calculation formula of the rotation angle constraint condition of the prism on the right side of the photovoltaic panel is as follows:

[0160] θ1≤θ i ≤θ2,i=1,2,...,n

[0161] Where θ1 is the minimum rotation angle of the prism, θ i is the rotation angle of the prism on the right side of the i-th photovoltaic panel, and θ2 is the maximum rotation angle of the prism;

[0162] The calculation formula of the rotation angle constraint condition of the prism on the left side of the photovoltaic panel is as follows:

[0163] π-θ2≤δ i ≤π-θ1,i=1,2,...,n

[0164] In the formula, δ i is the rotation angle of the prism on the left side of the i-th photovoltaic panel;

[0165] The calculation formula of the vertex angle constraint condition of the prism is as follows:

[0166]

[0167]

[0168] In the formula, is the incident angle of the incident light of the prism on the right side of the i-th photovoltaic panel, is the incident angle of the incident light of the prism on the left side of the i-th photovoltaic panel, and α is the vertex angle of the prism.

[0169] The calculation formula for the total length of the direct area of ​​the crop planting area is as follows:

[0170]

[0171] In the formula, is the left coordinate of the projection of the i+1th photovoltaic panel, is the right coordinate of the projection of the i-th photovoltaic panel, x zr is the coordinate of the right side projection of the bracket;

[0172] The total length L of the scattering area of ​​the crop planting area SS The calculation formula is as follows:

[0173]

[0174] Where w0 is the length of the isosceles side of the prism, h0 is the height of the bracket, and h is the solar altitude angle. is the emission angle of the red light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the right side of the i-th photovoltaic panel, is the angle of incidence of the purple light emitted by the prism on the left side of the i-th photovoltaic panel, is the emission angle of the red light from the prism on the left side of the i-th photovoltaic panel.

[0175] To sum up, the adjustment system of the photovoltaic power generation system for agricultural-photovoltaic complementarity proposed in this embodiment can accurately adjust the rotation angle of the prism based on the solar altitude angle, so that the planting area of ​​crop plants can obtain more direct light and scattered light, achieving a win-win effect for agriculture and the photovoltaic industry.

[0176] Embodiment 3

[0177] In order to implement the above embodiments, the present disclosure further proposes an electronic device, including: a memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method described in Embodiment 1 is implemented.

[0178] Embodiment 4

[0179] In order to implement the above embodiments, the present disclosure further proposes a computer-readable storage medium on which a computer program is stored. When the program is executed by a processor, the method described in the first embodiment is implemented.

[0180] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, without contradiction.

[0181] Any process or method description in a flowchart or otherwise described herein may be understood to represent a module, fragment or portion of code comprising one or more executable instructions for implementing the steps of a custom logical function or process, and the scope of the preferred embodiments of the present application includes alternative implementations in which functions may not be performed in the order shown or discussed, including performing functions in a substantially simultaneous manner or in the reverse order depending on the functions involved, which should be understood by technicians in the technical field to which the embodiments of the present application belong.

[0182] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in the field can change, modify, replace and modify the above embodiments within the scope of the present application.

Claims

1. A method for regulating a photovoltaic power generation system for agricultural-photovoltaic complementarity, characterized in that: The method comprises: Obtaining the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted; Inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the time period to be adjusted into a pre-constructed crop plant illumination optimization model, and solving the crop plant illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system; adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value; The process of constructing the crop plant illumination optimization model includes: The objective function is constructed with the goal of maximizing the sum of the total length of the direct area and the total length of the scattered area in the planting area of ​​the crop plants; Taking the left and right coordinate difference constraints of the photovoltaic panel, the left coordinate constraint between the two photovoltaic panels, the right coordinate constraint of the rightmost photovoltaic panel, the rotation angle constraint of the prism on the right side of the photovoltaic panel, the rotation angle constraint of the prism on the left side of the photovoltaic panel, and the vertex angle constraint of the prism as constraint conditions, and combining the objective function to construct a crop plant lighting optimization model; The objective function is calculated as follows: In the formula, is the total length of the irradiated area of ​​the crop planting area, is the direct area of ​​the crop planting area, It is the scattered area of ​​the crop planting area; The calculation formula for the total length of the direct area of ​​the crop planting area is as follows: In the formula, For the The left coordinate of the projection of the photovoltaic panel, For the The right coordinate of the projection of the photovoltaic panel, is the coordinate of the right side projection of the bracket, is the length of the bracket; The total length of the scattering area of ​​the crop plant planting area The calculation formula is as follows: In the formula, is the length of the isosceles side of the prism, is the height of the bracket, is the solar altitude angle, For the The angle of emission of the red light from the prism on the right side of the photovoltaic panel, For the The angle of emission of the purple light from the prism on the right side of the photovoltaic panel, For the The angle of emission of the purple light from the prism on the left side of the photovoltaic panel, For the The output angle of the red light from the prism on the left side of the photovoltaic panel.

2. The method according to claim 1, characterized in that The structural parameters of the photovoltaic power generation system include: The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

3. The method according to claim 1, characterized in that The calculation formula of the left and right coordinate difference constraint condition of the photovoltaic panel is as follows: In the formula, For the The right coordinate of the photovoltaic panel, For the The left coordinate of the photovoltaic panel, is the length of the photovoltaic panel, is the total number of photovoltaic panels; The calculation formula of the left coordinate constraint condition between the two photovoltaic panels is as follows: In the formula, For the The left coordinate of the photovoltaic panel; The calculation formula of the right coordinate constraint condition of the rightmost photovoltaic panel is as follows: In the formula, For the The right coordinate of the photovoltaic panel; The calculation formula of the rotation angle constraint condition of the prism on the right side of the photovoltaic panel is as follows: In the formula, is the minimum rotation angle of the prism, For the The rotation angle of the prism on the right side of the photovoltaic panel, is the maximum rotation angle of the prism; The calculation formula of the rotation angle constraint condition of the prism on the left side of the photovoltaic panel is as follows: In the formula, For the The rotation angle of the prism on the left side of the photovoltaic panel; The calculation formula of the vertex angle constraint condition of the prism is as follows: In the formula, For the The incident angle of the incident light on the prism on the right side of the photovoltaic panel, For the The incident angle of the incident light on the prism on the left side of the photovoltaic panel, is the vertex angle of the prism.

4. A regulating system for a photovoltaic power generation system for agricultural-photovoltaic complementation, characterized in that: The system comprises: An acquisition module is used to acquire the structural parameters of the photovoltaic power generation system and the solar altitude angle of the crop planting area during the period to be adjusted; An optimization module, for inputting the structural parameters of the photovoltaic power generation system and the solar altitude angle of the time period to be adjusted into a pre-constructed crop plant illumination optimization model, and solving the crop plant illumination optimization model to obtain a rotation angle reference value of the prism in the photovoltaic power generation system; An adjustment module, used for adjusting the angle of the prism in the photovoltaic power generation system based on the rotation angle reference value; The process of constructing the crop plant illumination optimization model includes: The objective function is constructed with the goal of maximizing the sum of the total length of the direct area and the total length of the scattered area in the planting area of ​​the crop plants; Taking the left and right coordinate difference constraints of the photovoltaic panel, the left coordinate constraint between the two photovoltaic panels, the right coordinate constraint of the rightmost photovoltaic panel, the rotation angle constraint of the prism on the right side of the photovoltaic panel, the rotation angle constraint of the prism on the left side of the photovoltaic panel, and the vertex angle constraint of the prism as constraint conditions, and combining the objective function to construct a crop plant lighting optimization model; The objective function is calculated as follows: In the formula, is the total length of the irradiated area of ​​the crop planting area, is the direct area of ​​the crop planting area, It is the scattered area of ​​the crop planting area; The calculation formula for the total length of the direct area of ​​the crop planting area is as follows: In the formula, For the The left coordinate of the projection of the photovoltaic panel, For the The right coordinate of the projection of the photovoltaic panel, is the coordinate of the right side projection of the bracket, is the length of the bracket; The total length of the scattering area of ​​the crop plant planting area The calculation formula is as follows: In the formula, is the length of the isosceles side of the prism, is the height of the bracket, is the solar altitude angle, For the The angle of emission of the red light from the prism on the right side of the photovoltaic panel, For the The angle of emission of the purple light from the prism on the right side of the photovoltaic panel, For the The angle of emission of the purple light from the prism on the left side of the photovoltaic panel, For the The output angle of the red light from the prism on the left side of the photovoltaic panel.

5. The system according to claim 4, characterized in that The structural parameters of the photovoltaic power generation system include: The height of the bracket, the length of the bracket, the coordinates of each photovoltaic panel, the coordinates of the projection of each photovoltaic panel, the length of the photovoltaic panel, the rotation angle of the prism on the right side of each photovoltaic panel, the rotation angle of the prism on the left side of each photovoltaic panel, the vertex angle of the prism, the incident angle of the incident light of the prism on the right side of each photovoltaic panel, the incident angle of the incident light of the prism on the left side of each photovoltaic panel, and the length of the isosceles side of the prism.

6. An electronic device, characterized in that: include: A memory, a processor, and a computer program stored in the memory and executable on the processor, wherein when the processor executes the program, the method according to any one of claims 1 to 3 is implemented.

7. A computer-readable storage medium having a computer program stored thereon, characterized in that: When the program is executed by a processor, the method according to any one of claims 1 to 3 is implemented.

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