Agricultural light complementation method

Abstract

An agricultural light complementation method relates to the technical field of agricultural light complementation and comprises the following steps: acquiring parameters of a photovoltaic laying target area and constructing a simulation model, and performing simulation calculation to obtain track data of a sunlight shielding shadow in a photovoltaic sunshine duration; a light supplementing mechanism is arranged in the simulation model according to the track data of the photovoltaic shielding shadow, and the light supplementing mechanism dynamically guides light to a photovoltaic shielding shadow area; the positions of the photovoltaics and the light supplementing mechanism are adjusted until the shading shadow area between the photovoltaics and the shading shadow area of the light supplementing mechanism on the photovoltaics and the crops are lower than a threshold value; the position parameters of the photovoltaic and light supplementing mechanism and the parameters of the light supplementing mechanism are output, the parameters of the light supplementing mechanism comprise the size parameters and the dynamic control parameters, the light supplementing mechanism is additionally arranged, the positions of the photovoltaic and light supplementing mechanism are optimized, and light supplementing is conducted on crops below the photovoltaic device while shielding is reduced as much as possible; the crop photosynthesis and growth rhythm effects are effectively improved.

Description

Technical Field

[0001] This invention relates to the field of agricultural-solar hybrid technology, and specifically to an agricultural-solar hybrid method. Background Technology

[0002] Agro-solar hybrid projects are a new type of renewable energy project that combines the advantages of agricultural planting and photovoltaic power generation. Through scientific planning and management, they achieve a win-win situation for both energy and agriculture. Agro-solar hybrid projects not only effectively utilize solar energy resources to provide clean energy for agricultural production, but also reduce land idleness and improve land use efficiency through the installation of photovoltaic panels.

[0003] In agro-solar hybrid projects, photovoltaic panels are typically installed above crops using fixed supports. These panels absorb solar energy and convert it into electricity, providing power for agricultural production. This model satisfies the electricity needs of agriculture while reducing the consumption of traditional energy sources and lowering carbon emissions.

[0004] Fixed support system technology boasts a series of significant advantages. Its simple structure and rational design eliminate the need for complex adjustments and maintenance, reducing installation and maintenance costs. Due to its simple structure and convenient installation, it can significantly shorten the installation cycle and improve construction efficiency. Fixed support system technology also exhibits excellent stability and durability, resisting erosion and damage from the natural environment and ensuring the long-term stable operation of photovoltaic modules. These characteristics have led to the widespread application of fixed support system technology in agricultural-solar hybrid projects.

[0005] Despite the numerous advantages of fixed-support photovoltaic (PV) array technology, statistical analysis of crop growth under PV arrays in agro-solar hybrid projects reveals that crop growth is still affected by shading from the PV modules. While absorbing sunlight, the PV panels also block some light, resulting in relatively weaker light intensity under the PV modules. This variation in light intensity significantly impacts crop photosynthesis and growth rhythms. Summary of the Invention

[0006] This invention provides a method for agricultural-photovoltaic complementarity, which adds a supplementary lighting mechanism and optimizes the positions of the photovoltaic system and the supplementary lighting mechanism. This achieves the goal of providing supplementary lighting to crops below the photovoltaic system while minimizing shading, effectively improving the photosynthesis and growth rhythm of crops.

[0007] A method for integrating agriculture and solar power includes:

[0008] Obtain parameters for the target area for photovoltaic installation, including geographical parameters, solar radiation parameters, and photovoltaic parameters;

[0009] A simulation model was constructed using the above parameters, and the trajectory data of the solar photovoltaic shading shadow during the sunshine period were obtained through simulation calculations.

[0010] Based on the trajectory data of the photovoltaic shading shadow, a supplementary lighting mechanism is set in the simulation model, in which the supplementary lighting mechanism dynamically guides the light to the photovoltaic shading shadow area;

[0011] Adjust the positions of the photovoltaic system and the supplementary lighting mechanism until the area of ​​shading between photovoltaic cells and the area of ​​shading of photovoltaic cells and crops by the supplementary lighting mechanism are below the threshold.

[0012] The output photovoltaic and supplementary lighting mechanism position parameters and supplementary lighting mechanism parameters are provided. The supplementary lighting mechanism parameters include size parameters and dynamic control parameters.

[0013] Furthermore, dynamic control parameters are used to control the supplementary lighting mechanism to dynamically adjust its posture according to the sunshine duration to supplement the sunlight in the photovoltaic-shaded areas.

[0014] Furthermore, the photovoltaic panels are installed facing due south at ±15 degrees.

[0015] Furthermore, the supplementary lighting mechanism includes a rotating base with a connecting platform on its rotating shaft. Two telescopic flip brackets are symmetrically arranged at both ends of the connecting platform, and a reflector is provided between the flip ends of the two telescopic flip brackets.

[0016] Furthermore, the telescopic flip-up bracket includes a telescopic rod a, the bottom of which is connected to the connecting platform, and a mounting frame connected to its top. A U-shaped frame is connected to the top of the mounting frame. A hinged rod a is provided inside the U-shaped frame, and a flip plate is set inside the U-shaped frame and hinged to the hinged rod a. A hinged rod b is connected to the middle of the hinged rod a. The flip plate is defined as the flipping end. The telescopic rod b is hinged to the U-shaped frame, and the output end of the telescopic rod b is hinged to the hinged rod b.

[0017] Furthermore, hinge rod a is hinged to the side of the flap closer to the mounting bracket.

[0018] Furthermore, the reflector includes a clamp, which is connected to the flap extending to one side of the U-shaped frame and wrapping it inside. Reflective layer a and reflective layer b are respectively provided on both sides of the clamp.

[0019] Furthermore, reflective layers a and b are configured to be either colored or uncolored, and the reflectivity of reflective layers a and b is matched to the crop type.

[0020] Furthermore, a refraction mechanism is provided on the top of the reflector, including a mounting base connected to the top of the reflector. A prism is installed inside the mounting base, and a drive motor is installed on one side of the mounting base. Its output shaft is connected to the prism to drive it to rotate.

[0021] Furthermore, it also includes a controller, which is communicatively connected to the rotating base, telescopic rod a, telescopic rod b, and drive motor respectively. The controller controls the rotating base, telescopic rod a, telescopic rod b, and drive motor to perform corresponding actions according to dynamic control parameters.

[0022] The beneficial effects of the above-described technical solutions provided in the embodiments of the present invention include at least the following:

[0023] 1. The reflector installed in the supplemental lighting mechanism can provide supplemental lighting for crops planted under the photovoltaic system.

[0024] 2. The controller dynamically controls the supplementary lighting mechanism to adjust its posture according to the time sequence of sunlight, so that it can continuously supplement the crops at the bottom of the photovoltaic system.

[0025] 3. The reflective layers a and b on the reflector can be set with different reflectivities and colors according to the type of plant, so that the intensity and color of the reflected light are suitable for the growth of the corresponding crop.

[0026] 4. The refraction mechanism can refract light and guide some of the light to the shadow area created by the supplementary lighting mechanism itself, thereby eliminating the shadow created by itself.

[0027] Other features and advantages of the invention will be set forth in the description which follows, and will be apparent in part from the description, or may be learned by practicing the invention. The objects and other advantages of the invention may be realized and obtained by means of the structures particularly pointed out in the written description, claims, and drawings.

[0028] The technical solution of the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. Attached Figure Description

[0029] The accompanying drawings are provided to further illustrate the invention and form part of the specification. They are used in conjunction with embodiments of the invention to explain the invention and do not constitute a limitation thereof. In the drawings:

[0030] Figure 1 This is a schematic flowchart of the agricultural-solar complementary method disclosed in an embodiment of the present invention;

[0031] Figure 2 This is a schematic diagram of the layout structure of the photovoltaic and supplementary lighting mechanism disclosed in an embodiment of the present invention;

[0032] Figure 3 This is a schematic diagram of the supplementary lighting mechanism disclosed in an embodiment of the present invention;

[0033] Figure 4 for Figure 3 Enlarged structural diagram at point A;

[0034] Figure 5 for Figure 3 Enlarged structural diagram at point B;

[0035] Figure 6 This is a communication block diagram of the supplementary lighting mechanism and controller disclosed in an embodiment of the present invention.

[0036] Figure label:

[0037] 1. Photovoltaic; 2. Supplemental lighting mechanism; 21. Rotating base; 22. Connecting platform; 23. Telescopic flip bracket; 231. Telescopic rod a; 232. Mounting frame; 233. U-shaped frame; 234. Flip plate; 235. Hinge rod a; 236. Telescopic rod b; 237. Hinge rod b; 24. Reflector; 241. Clamping plate; 242. Reflective layer a; 243. Reflective layer b; 25. Refraction mechanism; 251. Rotation mechanism; 2511. Mounting base; 2512. Drive motor; 252. Prism; 3. Controller. Detailed Implementation

[0038] Exemplary embodiments of the present disclosure will now be described in more detail with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be implemented in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

[0039] Figure 2 The diagram shows the arrangement of the photovoltaic 1 and the supplementary lighting mechanism 2 disclosed in the embodiment of the present invention. The photovoltaic 1 is laid in the direction of due south ±15 degrees. The photovoltaic 1 and the supplementary lighting mechanism 2 are arranged in an alternating manner. At the same time, due to the change of sunshine time (the sun moves from east to west), the shading area at the bottom of the photovoltaic 1 is dynamically changing, which results in the crops planted at the bottom of the photovoltaic 1 being in a situation of dynamic shading.

[0040] like Figure 2 As shown, in response to the dynamic shading caused by changes in the duration of sunlight on the photovoltaic 1, several supplementary lighting mechanisms 2 are provided in the east and west directions of the photovoltaic 1. The function of the supplementary lighting structure is to reflect light to the crop area below the photovoltaic 1, thereby eliminating the shading of the photovoltaic 1 and supplementing the crop area with light. The elimination is defined as reducing the shading area or making the shading area disappear completely.

[0041] like Figure 3 and 5As shown, in order to guide light to the shaded area of ​​photovoltaic 1 by reflection, the supplementary lighting mechanism 2 includes a rotating base 21 with a connecting platform 22 on its rotating shaft. Two telescopic flip brackets 23 are symmetrically arranged at both ends of the connecting platform 22. A reflector 24 is provided between the flip ends of the two telescopic flip brackets 23. The telescopic flip bracket 23 includes a telescopic rod a231, the bottom of which is connected to the connecting platform 22, and the top of which is connected to a mounting frame 232. A U-shaped frame 233 is connected to the top of the mounting frame 232. A hinge rod a235 is provided inside the U-shaped frame 233, and a flip plate 234 is provided inside the U-shaped frame 233 and hinged to the hinge rod a235. The flip plate 234 is defined as the flip end.

[0042] like Figure 3 and 6 As shown, it should be noted that the rotating base 21 adopts existing technology, which includes a rotation drive part and a rotating part. Its structure and working principle will not be described in detail here. The driving methods include:

[0043] 1. Drive the fill light mechanism 2 to rotate: The controller 3 is connected to the rotating base 21. The controller 3 controls the rotation drive part of the rotating base 21 to perform the corresponding rotation action according to the dynamic control parameters, drives the rotating part to rotate, thereby driving the fill light mechanism 2 to rotate to the corresponding angle.

[0044] 2. Driving the supplementary lighting mechanism 2 to rise and fall: The controller 3 is connected to the telescopic rod a231. The controller 3 controls the telescopic rod a231 to perform the corresponding telescopic action according to the dynamic control parameters, thereby driving the supplementary lighting mechanism 2 to rise and fall to the corresponding height.

[0045] 3. Drive the supplementary lighting mechanism 2 to flip (reflector 24 flips to a certain angle): The controller 3 is connected to the telescopic rod b236. The controller 3 controls the telescopic rod b236 to perform the corresponding telescopic action according to the dynamic control parameters. Since the telescopic rod b236 is hinged to the hinge rod b237, during the telescopic rod b236's telescopic process, the output end of the telescopic rod b236 drives the flip plate 234 to rotate within the U-shaped frame 233 through the hinge rod b237, thereby driving the reflector 24 to flip to the corresponding angle.

[0046] The above-mentioned driving methods 1 to 3 are combined to achieve dynamic supplementary lighting for the shading area at the bottom of the photovoltaic 1 around the supplementary lighting mechanism 2.

[0047] like Figure 3As shown, the hinge rod a235 is hinged to the side of the flip plate 234 near the mounting frame 232. At this time, the hinge rod a235 is hinged to the side of the flip plate 234 near the mounting frame 232, which is offset from the lateral center line of the flip plate 234. This is used to drive the flip plate 234 to deflect, so that the telescopic rod b236 can drive the flip plate 234 to flip to a larger angle with a small amount of telescopic extension. This is used to increase the maximum angle of the flip plate 234 to flip, which is convenient for increasing its supplementary lighting range.

[0048] like Figure 3 As shown, the reflector 24 includes a clamping plate 241, which is connected to the flap 234 extending to one side of the U-shaped frame 233 and wrapping it inside. Reflective layers a242 and b243 are respectively provided on both sides of the clamping plate 241.

[0049] The reflectivity of reflective layers a242 and b243 is matched with the crop type, and reflective layers a242 and b243 are set to be colored or not colored.

[0050] Accordingly, the supplementary lighting mechanism 2 has multiple supplementary lighting modes.

[0051] 1. High reflectivity supplemental lighting: At this time, the light reflection intensity is the highest, which is suitable for crops with high light intensity requirements.

[0052] 2. Medium reflectivity supplemental lighting: At this time, the intensity of light reflection is moderate, which is suitable for crops with general light intensity requirements.

[0053] 3. Low reflectivity supplemental lighting: At this time, the light reflection intensity is the weakest, which is suitable for crops with low light intensity requirements.

[0054] 5. High reflectivity supplemental lighting, and at the same time, set to a color suitable for crop growth. At this time, the light reflection intensity is the highest, which is suitable for crops with high light intensity requirements and is conducive to crop growth.

[0055] 6. Medium reflectivity supplemental lighting, and at the same time, set to a color suitable for crop growth. At this time, the light reflection intensity is moderate, which is suitable for crops with general light intensity requirements.

[0056] 7. Low reflectivity supplemental lighting, and at the same time, set to a color suitable for crop growth. At this time, the light reflection intensity is the highest, which is suitable for crops with low light intensity requirements.

[0057] To facilitate adjustment of the color and reflectivity of reflective layers a242 and b243, they are detachably connected to clamping plate 241, such as via magnetic attraction, snap-fit ​​connection, or bolt connection. For magnetic attraction, corresponding magnetic structures are installed on clamping plate 241 and reflective layers a242 and b243, such as a permanent magnet on clamping plate 241 and an iron plate on reflective layers a242 and b243. Snap-fit ​​connections are also used. The connection method involves setting detachable male and female clips on the edges of the clamping plate 241 and the reflective layers a242 and b243. The male and female clips are used to fix the reflective layers a242 and b243 to the clamping plate 241. When replacing, the reflective layers a242 and b243 can be removed by opening the male and female clips. The bolt connection method involves using bolts to pass through the reflective layers a242, clamping plate 241, and reflective layers b243, and connecting the reflective layers a242, clamping plate 241, and reflective layers b243 together with bolts and nuts.

[0058] like Figure 3 and 4 As shown, a refraction mechanism 25 is provided on the top of the reflector 24, including a mounting base 2511, which is connected to the top of the reflector 24. A prism 252 is provided inside the mounting base 2511. A drive motor 2512 is provided on one side of the mounting base 2511, and its output shaft is connected to the prism 252 to drive its rotation. The controller 3 is communicatively connected to the rotating base 21, the telescopic rod a231, the telescopic rod b236, and the drive motor 2512 respectively. The controller 3 controls the rotating base 21, the telescopic rod a231, the telescopic rod b236, and the drive motor 2512 to perform corresponding actions according to the dynamic control parameters.

[0059] The controller 3 adjusts the rotation angle of the prism 252 according to the time sequence of sunlight (the process of the sun's position change), so that the light refracted by the prism 252 can eliminate the shadow generated by the supplementary lighting mechanism 2 itself, thereby supplementing the shadow area generated by itself. Here, elimination is defined as reducing the shadow area or making the shadow area disappear completely.

[0060] The above control process controls the rotating base 21, telescopic rod a231, telescopic rod b236, and drive motor 2512 according to dynamic control parameters, so that the supplementary lighting mechanism 2 is in the corresponding posture according to the sunshine time sequence, and eliminates the shading area at the bottom of the photovoltaic 1 and the shading generated by the supplementary lighting mechanism 2 itself.

[0061] Figure 1 A schematic flowchart of the agricultural-photovoltaic complementary method disclosed in an embodiment of the present invention is shown, including:

[0062] S1, obtain the parameters of the target area for photovoltaic 1 installation, including geographical parameters, solar radiation parameters, and photovoltaic 1 parameters;

[0063] S2. Using the above parameters, a simulation model is constructed, and the trajectory data of the shadow cast by photovoltaic 1 during the sunshine period is obtained through simulation calculation.

[0064] S3, Based on the trajectory data of the shadow cast by photovoltaic 1, a supplementary lighting mechanism 2 is set in the simulation model, wherein the supplementary lighting mechanism 2 dynamically guides the light to the shadow area cast by photovoltaic 1;

[0065] S4, adjust the positions of photovoltaic 1 and supplementary lighting mechanism 2 until the shading area between photovoltaic 1 and the shading area of ​​supplementary lighting mechanism 2 on photovoltaic 1 and crops are lower than the threshold. The threshold is set according to the requirements and no specific limit is set here.

[0066] S5 outputs the position parameters of photovoltaic 1 and supplementary lighting mechanism 2, as well as the parameters of supplementary lighting mechanism 2, including dimensional parameters and dynamic control parameters.

[0067] Dynamic control parameters are used to control the supplementary lighting mechanism 2 to dynamically adjust its posture according to the sunshine time to supplement the shaded area of ​​the photovoltaic 1.

[0068] The controller 3 controls the rotating base 21, telescopic rod a231, telescopic rod b236, and drive motor 2512 according to dynamic control parameters, so that the supplementary lighting mechanism 2 is in the corresponding posture according to the sunshine time sequence, and eliminates the shading area at the bottom of the photovoltaic 1 and the shading generated by the supplementary lighting mechanism 2 itself.

[0069] It should be noted that the specific models and specifications of the controller 3, rotating base 21, telescopic rod a231, telescopic rod b236 and drive motor 2512 need to be selected and determined according to the actual specifications of the device. The specific selection calculation method adopts the existing technology in this field, so it will not be described in detail.

[0070] The power supply and operating principle of the controller 3, rotating base 21, telescopic rod a231, telescopic rod b236 and drive motor 2512 are clear to those skilled in the art and will not be described in detail here.

[0071] It should be understood that the specific order or hierarchy of steps in the disclosed process is an example of an exemplary method. Based on design preferences, it should be understood that the specific order or hierarchy of steps in the process may be rearranged without departing from the scope of this disclosure. The appended method claims provide elements of various steps in an exemplary order and are not intended to limit the scope to the specific order or hierarchy described.

[0072] In the detailed description above, various features are combined together in a single embodiment to simplify this disclosure. This approach to disclosure should not be construed as reflecting an intention that embodiments of the claimed subject matter require more features than are explicitly stated in each claim. Rather, as reflected in the appended claims, the invention is presented with fewer features than all of the features in a single disclosed embodiment. Therefore, the appended claims are hereby explicitly incorporated into the detailed description, with each claim representing a separate preferred embodiment of the invention.

[0073] Those skilled in the art will also understand that the various illustrative logic blocks, modules, circuits, and algorithm steps described in conjunction with the embodiments herein can be implemented as electronic hardware, computer software, or a combination thereof. To clearly illustrate the interchangeability between hardware and software, the various illustrative components, blocks, modules, circuits, and steps described above are generally described in terms of their functionality. Whether such functionality is implemented as hardware or software depends on the specific application and the design constraints imposed on the overall system. Those skilled in the art can implement the described functionality in alternative ways for each specific application; however, such implementation decisions should not be construed as departing from the scope of this disclosure.

[0074] The steps of the methods or algorithms described in conjunction with the embodiments herein can be directly embodied in hardware, software modules executed by a processor, or a combination thereof. The software modules can reside in RAM memory, flash memory, ROM memory, EPROM memory, EEPROM memory, registers, hard disks, removable disks, CD-ROMs, or any other form of storage medium well known in the art. An exemplary storage medium is connected to the processor, enabling the processor to read information from and write information to the storage medium. Of course, the storage medium can also be a component of the processor. The processor and storage medium can reside in an ASIC. The ASIC can reside in a user terminal. Alternatively, the processor and storage medium can exist as discrete components in the user terminal.

[0075] For software implementation, the techniques described in this application can be implemented using modules (e.g., procedures, functions, etc.) that perform the functions described in this application. This software code can be stored in memory units and executed by a processor. The memory units can be implemented within the processor or outside the processor; in the latter case, they are communicatively coupled to the processor via various means, as is well known in the art.

[0076] The foregoing description includes examples of one or more embodiments. It is certainly impossible to describe all possible combinations of components or methods in order to describe the above embodiments, but those skilled in the art will recognize that the various embodiments can be further combined and arranged. Therefore, the embodiments described herein are intended to cover all such changes, modifications, and variations that fall within the scope of the appended claims. Furthermore, the term “comprising” as used in the specification or claims is interpreted in a manner similar to the term “including,” just as “including” is interpreted as a conjunction in the claims. Additionally, the use of any term “or” in the specification of the claims is intended to mean “non-exclusive or.”

Claims

1. A method for integrating agriculture and solar power, characterized in that, include: Obtain parameters for the target area for photovoltaic installation, including geographical parameters, solar radiation parameters, and photovoltaic parameters; A simulation model was constructed using the above parameters, and the trajectory data of the solar photovoltaic shading shadow during the sunshine period were obtained through simulation calculations. Based on the trajectory data of the photovoltaic shading shadow, a supplementary lighting mechanism is set in the simulation model, in which the supplementary lighting mechanism dynamically guides the light to the photovoltaic shading shadow area; Adjust the positions of the photovoltaic system and the supplementary lighting mechanism until the area of ​​shading between photovoltaic cells and the area of ​​shading of photovoltaic cells and crops by the supplementary lighting mechanism are below the threshold. The output photovoltaic and supplementary lighting mechanism position parameters and supplementary lighting mechanism parameters are provided. The supplementary lighting mechanism parameters include size parameters and dynamic control parameters.

2. The method as described in claim 1, characterized in that, Dynamic control parameters are used to control the supplementary lighting mechanism to dynamically adjust its posture according to the sunshine duration to supplement the light in the photovoltaic-shaded areas.

3. The method as described in claim 1, characterized in that, The photovoltaic panels are installed facing due south at ±15 degrees.

4. The method as described in claim 2, characterized in that, The supplementary lighting mechanism includes a rotating base with a connecting platform on its rotating shaft. Two telescopic flip brackets are symmetrically arranged at both ends of the connecting platform, and a reflector is provided between the flip ends of the two telescopic flip brackets.

5. The method as described in claim 4, characterized in that, The telescopic flip-up bracket includes a telescopic rod a, the bottom of which is connected to a connecting platform, and a mounting frame connected to its top. A U-shaped frame is connected to the top of the mounting frame. A hinged rod a is provided inside the U-shaped frame. A flip plate is set inside the U-shaped frame and is hinged to the hinged rod a. A hinged rod b is connected to the middle of the hinged rod a. The flip plate is defined as the flipping end. The telescopic rod b is hinged to the U-shaped frame. The output end of the telescopic rod b is hinged to the hinged rod b.

6. The method as described in claim 5, characterized in that, Hinged rod a is hinged to the side of the flap closest to the mounting bracket.

7. The method as described in claim 5, characterized in that, The reflector includes a clamp, which is connected to a flap extending to one side of the U-shaped frame and wrapping it inside. Reflective layer a and reflective layer b are respectively provided on both sides of the clamp.

8. The method as described in claim 7, characterized in that, Reflective layers a and b are set to be either colored or uncolored, and their reflectivity is matched to the crop type.

9. The method as described in claim 7 or 8, characterized in that, A refraction mechanism is provided on the top of the reflector, including a mounting base connected to the top of the reflector. A prism is installed inside the mounting base, and a drive motor is installed on one side of the mounting base. Its output shaft is connected to the prism to drive it to rotate.

10. The method as described in claim 9, characterized in that, It also includes a controller, which is communicatively connected to the rotating base, telescopic rod a, telescopic rod b, and drive motor respectively. The controller controls the rotating base, telescopic rod a, telescopic rod b, and drive motor to perform corresponding actions according to dynamic control parameters.

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