Southward inclined photovoltaic greenhouse
By installing reflective and translucent films inside the photovoltaic greenhouse, uniform distribution and on-demand reflection of sunlight are achieved, solving the problems of insufficient power generation from photovoltaic modules and unfavorable crop growth, and improving the utilization rate of light energy and the stability of the power grid.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SUNWINLAND ENERGY SYST
- Filing Date
- 2025-06-18
- Publication Date
- 2026-06-26
AI Technical Summary
The lack of reflective film in existing photovoltaic greenhouses results in uneven distribution of sunlight, which fails to reflect excess sunlight onto the photovoltaic modules, affecting power generation and hindering crop growth.
A reflective film is installed inside the photovoltaic greenhouse. The angle of the reflective film can be adjusted by tilting angle adjustment cables. The surface of the reflective film can be transparent or reflective. Combined with different structural designs of the transparent film, the uniform distribution of sunlight and on-demand reflection can be achieved.
It increases the power generation of photovoltaic modules, stabilizes the power supply to the grid, and meets the sunlight requirements of planting or breeding industries, thereby improving the utilization rate of light energy and the crop growth environment.
Smart Images

Figure CN224402359U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of photovoltaic equipment technology, specifically to a south-facing tilted photovoltaic greenhouse. Background Technology
[0002] In existing technologies, the greenhouse lacks a reflective film (perforated or non-perforated), which makes it impossible to distribute sunlight evenly inside the greenhouse. At the same time, it cannot reflect excess sunlight that is not needed for planting or growing crops onto the photovoltaic modules installed at an angle to the south, thereby increasing the power generation of the photovoltaic modules and is not conducive to the growth of crops. Utility Model Content
[0003] Therefore, this utility model provides a south-facing tilted photovoltaic greenhouse to solve the above-mentioned problems in the prior art. To achieve the above objective, this utility model provides the following technical solution: According to a first aspect of this utility model, a south-facing tilted photovoltaic greenhouse includes pillars arranged at intervals along a north-south direction. Each pillar has a tilted photovoltaic module installed at its top. Vertically extending reflective films A are provided on both sides of each pillar. The distance between the reflective film A and the pillar is L. The space between adjacent reflective films A is covered by a greenhouse light-transmitting film through a supporting frame. Multiple vertically extending reflective films B are hinged at intervals along the length of the greenhouse light-transmitting film.
[0004] Furthermore, the bottom end of the reflective film B is connected by an angle adjustment cable. The lower end of the support frame of the greenhouse light-transmitting film is rotatably equipped with a roller, and the end of the angle adjustment cable is wound around the roller. The angle adjustment cable is used to adjust the angle of the reflective film B by pulling it.
[0005] Furthermore, the tilt angle adjustment cable between the roll and the reflective film B located at the end is set at an angle with the horizontal plane.
[0006] Furthermore, multiple reflective films B are distributed at equal intervals.
[0007] Furthermore, the surface of the reflective film B has openings.
[0008] Furthermore, the cross-section of the greenhouse's translucent film is a straight line structure.
[0009] Furthermore, the two ends of the greenhouse's translucent film are fixed to the support pillars.
[0010] Furthermore, the cross-section of the greenhouse light-transmitting film is a "human" shaped structure. One side of the top surface of the greenhouse light-transmitting film is set parallel to the surface where one of the photovoltaic modules is located, and the end of the other side of the top surface of the greenhouse light-transmitting film is connected to the bottom edge of another photovoltaic module.
[0011] Furthermore, the cross-section of the greenhouse's translucent film is an arc-shaped structure.
[0012] Furthermore, it also includes suspension cables. A suspension cable is horizontally installed below the greenhouse light-transmitting film. The two ends of the suspension cable are fixed to the supporting frame of the arc-shaped greenhouse light-transmitting film. Multiple reflective films B are hinged to the suspension cable.
[0013] This invention has the following advantages: By using a south-facing tilted photovoltaic (PV) module under a greenhouse, the reflective film not only increases the power generation of the PV modules but also enables on-demand power generation, which is beneficial to grid stability. Simultaneously, it optimally adjusts the amount of solar radiation according to the sunlight requirements of the planting or breeding industries under the PV greenhouse. This device helps to evenly distribute sunlight within the greenhouse, reflecting excess sunlight not needed by the planting or breeding industries onto the south-facing tilted PV modules, thus improving the utilization rate of solar energy. Attached Figure Description
[0014] Figure 1 This is a structural diagram of a first type of south-facing tilted photovoltaic greenhouse provided for some embodiments of this utility model.
[0015] Figure 2 This is a structural diagram of a second type of south-facing tilted photovoltaic greenhouse provided for some embodiments of this utility model.
[0016] Figure 3 This is a structural diagram of a third type of south-facing tilted photovoltaic greenhouse provided for some embodiments of this utility model.
[0017] In the diagram, 1 is the support pillar, 2 is the photovoltaic module, 3 is the greenhouse light-transmitting film, 4 is the reflective film A, 5 is the reflective film B, 6 is the tilt angle adjustment cable, 7 is the roller, and 8 is the suspension cable. Detailed Implementation
[0018] The following specific embodiments illustrate the implementation of this utility model. Those skilled in the art can easily understand other advantages and effects of this utility model from the content disclosed in this specification. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0019] Example 1
[0020] like Figures 1 to 3As shown, a south-facing inclined photovoltaic greenhouse according to the first aspect of this utility model includes pillars 1 arranged at intervals along the north-south direction. Each pillar 1 is equipped with an inclined photovoltaic module 2 at its top. Vertically extending reflective films A4 are provided on both sides of each pillar 1. The distance between the reflective film A4 and the pillar 1 is L. The space between adjacent reflective films A4 is covered by a greenhouse light-transmitting film 3 through a supporting frame. Multiple vertically extending reflective films B5 are hinged at intervals along the length of the greenhouse light-transmitting film 3.
[0021] In the above embodiments, it should be noted that, when in use, the greenhouse light-transmitting film 3 is a light-transmitting film made of light-transmitting material; the reflective film A4 and the reflective film B5 are films with reflective properties.
[0022] The technical effects achieved by the above embodiments are as follows: by setting a reflective film, the reflected light not only increases the power generation of the photovoltaic modules, but also generates power on demand, which is beneficial to the stability of the power grid; at the same time, it optimally adjusts the amount of solar radiation according to the sunlight requirements of planting or breeding industries under the photovoltaic greenhouse. This device helps to evenly distribute sunlight inside the greenhouse, reflecting the excess sunlight that is not needed by planting or breeding industries under the photovoltaic greenhouse onto the south-facing, tilted photovoltaic modules, thereby improving the utilization rate of light energy.
[0023] Example 2
[0024] like Figures 1 to 3 As shown, a south-facing tilted photovoltaic greenhouse includes all the contents of Embodiment 1. In addition, the bottom end of the reflective film B5 is connected by a tilt angle adjustment cable 6. The lower end of the support frame of the greenhouse light-transmitting film 3 is rotatably provided with a roller 7. The end of the tilt angle adjustment cable 6 is wound around the roller 7. The tilt angle of the reflective film B5 can be adjusted by pulling the tilt angle adjustment cable 6.
[0025] Optionally, the tilt angle adjustment cable 6 between the spool 7 and the reflective film B5 located at the end is provided at an angle with the horizontal plane.
[0026] Optionally, multiple reflective films B5 are distributed at equal intervals. By setting multiple reflective films B5 that are distributed at equal intervals, uniform reflection of sunlight is achieved.
[0027] Optionally, the surface of the reflective film B5 can be perforated. When using it, the long-term priority is given to the sunlight needs of crop growth and photovoltaic power generation, while the short-term priority is given to the sunlight needs of photovoltaic power generation. The reflective film B5 can be partially perforated for light transmission and partially for reflection, or non-perforated for complete reflection without light transmission.
[0028] The technical effect achieved by the above embodiment is as follows: according to the crop's need for sunlight, the angle of the reflective film B5 can be adjusted by the tilt angle adjustment cable 6, and can be adjusted to be parallel to the greenhouse film at most. Excess sunlight is reflected onto the photovoltaic module 2 by adjusting the tilt angle adjustment cable 6.
[0029] Example 3
[0030] like Figure 1 As shown, a south-facing tilted photovoltaic greenhouse includes all the contents of Example 2. In addition, the cross-section of the greenhouse light-transmitting film 3 is a "I"-shaped structure, and the "I"-shaped structure is tilted.
[0031] Optionally, the two ends of the greenhouse light-transmitting film 3 are fixed to the support pillar 1.
[0032] The technical effect achieved by the above embodiment is that by making the cross-section of the greenhouse light-transmitting film 3 into a "I" shape, it is beneficial to the drainage of rainwater.
[0033] Example 4
[0034] like Figure 2 As shown, a south-facing tilted photovoltaic greenhouse includes all the contents of Embodiment 2. In addition, the cross-section of the greenhouse light-transmitting film 3 is a "human" shaped structure. One side of the top surface of the greenhouse light-transmitting film 3 is set parallel to the surface where one of the photovoltaic modules 2 is located, and the end of the other side of the top surface of the greenhouse light-transmitting film 3 is connected to the bottom edge of another photovoltaic module 2.
[0035] The technical effects achieved by the above embodiments are as follows: by making the cross-section of the greenhouse light-transmitting film 3 into a "human" shaped structure, it is beneficial for rainwater to drain; by setting one side of the top surface of the greenhouse light-transmitting film 3 parallel to the surface where one of the photovoltaic modules 2 is located, it is beneficial for the protection of the greenhouse light-transmitting film 3.
[0036] Example 5
[0037] like Figure 3 As shown, a south-facing tilted photovoltaic greenhouse includes all the contents of Example 2, except that the cross-section of the greenhouse light-transmitting film 3 is an arc-shaped structure.
[0038] Optionally, it also includes a suspension cable 8. A suspension cable 8 is horizontally arranged below the greenhouse light-transmitting film 3. The two ends of the suspension cable 8 are respectively fixed to the support frame of the arc-shaped greenhouse light-transmitting film 3, and multiple reflective films B5 are hinged to the suspension cable 8.
[0039] The technical effects achieved by the above embodiments are as follows: by setting the cross-section of the greenhouse light-transmitting film 3 to be an arc-shaped structure, it is beneficial to the drainage of rainwater; by setting the suspension cable 8, it is ensured that the height of the reflective film B5 set under the arc-shaped greenhouse light-transmitting film 3 is uniform and equal.
[0040] In the description of this utility model, it should be understood that the terms "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.
[0041] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one of that feature. In the description of this utility model, "a plurality of" means at least two, such as two, three, etc., unless otherwise explicitly specified.
[0042] In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise explicitly limited. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.
[0043] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0044] Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of the present invention.
[0045] In the description of this specification, the references to terms such as "Embodiment 1," "Embodiment 2," "Example," "Specific Example," or "Some Examples," etc., indicate that the specific method, apparatus, or feature described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, methods, apparatus, or features described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.
[0046] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model shall be included within the protection scope of the present utility model.
Claims
1. A south-facing tilted photovoltaic greenhouse, characterized in that, It includes struts (1) arranged at intervals along the north-south direction. At the top of each strut (1), an inclined photovoltaic module (2) is installed. On both sides of each strut (1), there is a vertically extending reflective film A (4). The distance between the reflective film A (4) and the strut (1) is L. The space between adjacent reflective films A (4) is covered with a greenhouse light-transmitting film (3) through a support framework. Along its length direction, the greenhouse light-transmitting film (3) is articulated with a plurality of vertically extending reflective films B (5) at intervals.
2. The south-facing tilted photovoltaic greenhouse according to claim 1, characterized in that, The bottom ends of the reflective films B (5) are connected by an inclination angle adjustment cable (6). At the lower end of the support framework of the greenhouse light-transmitting film (3), a reel (7) is rotatably arranged. The end of the inclination angle adjustment cable (6) is wound around the reel (7). By pulling the inclination angle adjustment cable (6), the adjustment of the inclination angle of the reflective film B (5) can be achieved.
3. The south-facing tilted photovoltaic greenhouse according to claim 2, characterized in that, An included angle is provided between the inclination angle adjustment cable (6) between the reel (7) and the reflective film B (5) at the end and the horizontal plane.
4. The south-facing tilted photovoltaic greenhouse according to claim 3, characterized in that, The plurality of reflective films B (5) are equally spaced.
5. The south-facing tilted photovoltaic greenhouse according to claim 4, characterized in that, The surface of the reflective film B (5) is perforated.
6. The south-facing tilted photovoltaic greenhouse according to claim 1, characterized in that, The cross-section of the greenhouse light-transmitting film (3) is a "one" - shaped structure.
7. The south-facing tilted photovoltaic greenhouse according to claim 6, characterized in that, Both ends of the greenhouse light-transmitting film (3) are fixed on the struts (1).
8. The south-facing tilted photovoltaic greenhouse according to claim 1, characterized in that, The cross-section of the greenhouse light-transmitting film (3) is a "V" - shaped structure. One side top surface of the greenhouse light-transmitting film (3) is arranged parallel to the surface where one of the photovoltaic modules (2) is located. The end of the other side top surface of the greenhouse light-transmitting film (3) is connected to the lowest edge of the other photovoltaic module (2).
9. The south-facing tilted photovoltaic greenhouse according to claim 1, characterized in that, The cross-section of the greenhouse light-transmitting film (3) is an arc-shaped structure.
10. The south-facing tilted photovoltaic greenhouse according to claim 9, characterized in that, It further includes a suspension cable (8). A suspension cable (8) is horizontally and transversely arranged below the greenhouse light-transmitting film (3). Both ends of the suspension cable (8) are respectively fixed on the support framework of the arc-shaped greenhouse light-transmitting film (3). The plurality of reflective films B (5) are all articulated on the suspension cable (8).