Photovoltaic power generation device

Abstract

The utility model discloses a photovoltaic power generation device, which comprises a stand column and a photovoltaic unit, the stand column is provided with a mounting bracket, and a plug-in structure for fixing the photovoltaic unit on the mounting bracket in a plug-in manner is arranged between the upper end and / or the lower end of the photovoltaic unit and the mounting bracket. The stand column is further provided with a locking structure for locking the photovoltaic unit on the side face of the stand column, the photovoltaic unit can be rapidly, simply and conveniently installed on the installation support through the arrangement of an insertion structure, and the installation time and the labor cost are remarkably reduced; the photovoltaic unit can be easily disassembled when the photovoltaic unit needs to be maintained or replaced through the insertion structure, the maintenance efficiency is improved, the maintenance cost is reduced, meanwhile, the locking structure is matched with the insertion structure, the photovoltaic unit is fixed in multiple directions, it is ensured that the photovoltaic unit is stably installed after being installed, and the maintenance efficiency is improved. Even under the conditions of strong wind, vibration or other severe environments, the photovoltaic unit is not easy to loosen or fall off, and the stability and safety of the device are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to energy equipment technical field especially relates to a photovoltaic power generation device. BACKGROUND

[0002] With the continuous growth of global energy demand and the increasingly serious environmental problems, the development and utilization of renewable energy has become an important issue in today's world. As a clean and renewable energy, solar energy has a wide application prospect. Photovoltaic power generation technology, as one of the main ways of solar energy utilization, has developed rapidly in recent years.

[0003] In traditional photovoltaic power generation devices, photovoltaic panels are usually fixed on the support through a large number of bolts or welding, etc. Although this installation method is stable, it has the problems of complex operation and long time-consuming in the process of installation and disassembly. In addition, when adjusting the angle of the photovoltaic panel or replacing the damaged photovoltaic panel, the traditional photovoltaic panel installation structure often needs to disassemble a large number of bolts or perform complex operations, which increases the maintenance cost and time cost.

[0004] Therefore, there is an urgent need for a new photovoltaic power generation device that can ensure the stability of the photovoltaic panel installation while simplifying the installation and disassembly process, improving the maintenance efficiency, and adapting to the use requirements in various complex environmental conditions.

[0005] The utility model is made based on the above situation. UTILITY MODEL CONTENT

[0006] The utility model overcomes the shortcomings of the prior art and provides a photovoltaic power generation device that is stable, easy to disassemble and maintain, and has high maintenance efficiency.

[0007] The utility model is implemented through the following technical solutions:

[0008] A photovoltaic power generation device includes a column and a photovoltaic unit. The column is provided with a mounting bracket. The upper end and / or the lower end of the photovoltaic unit is provided with a plug-in structure for plugging and fixing the photovoltaic unit on the mounting bracket. The column is also provided with a locking structure for locking the photovoltaic unit on the side of the column.

[0009] The photovoltaic power generation device described above includes a mounting bracket provided on the peripheral wall of the column, a plug-in structure including a slide rail provided on the crossbar, a plug-in piece fixed on the photovoltaic unit, a sliding block provided on the plug-in piece and capable of being inserted into the slide rail and sliding along the slide rail, and the photovoltaic unit is plugged into the slide rail of the crossbar through the sliding block.

[0010] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the crossbar comprises an upper crossbar and a lower crossbar arranged in a vertical manner, and the photovoltaic unit is arranged between the upper crossbar and the lower crossbar, and the upper and lower ends of the photovoltaic unit are fixed to the mounting bracket by means of the plug-in structure.

[0011] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the photovoltaic unit is provided with a connecting member on the side surface, and the locking structure comprises at least two or more elastic arms fixed to the side wall of the stand, and the elastic arms are arranged on the front and back sides of the photovoltaic unit, and the end of each elastic arm is provided with an elastic buckle capable of being inserted into the locking groove of the connecting member to elastically lock the photovoltaic unit on the stand from both sides.

[0012] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein a functional box is arranged on the top of the stand, and the functional box is provided with an adjusting structure capable of adjusting the installation angle of the functional box.

[0013] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the top of the stand is provided with a mounting disc, and the adjusting structure comprises a plurality of first mounting holes arranged on the mounting disc, and the functional box is provided with a plurality of second mounting holes matched with the first mounting holes.

[0014] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein at least one or more photovoltaic units are arranged on the stand.

[0015] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the photovoltaic unit is a photovoltaic panel arranged on one side of the stand or photovoltaic panels arranged on both sides of the stand.

[0016] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein a plurality of photovoltaic units are arranged in a vertical manner along the axial direction of the stand.

[0017] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the stand is provided with a diagonal brace for supporting the photovoltaic unit from below.

[0018] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the size of the photovoltaic unit on the lower layer is greater than or equal to the size of the photovoltaic unit on the upper layer, or the size of the photovoltaic unit arranged on the stand gradually increases from top to bottom, and the photovoltaic panel of each photovoltaic unit has the same output voltage.

[0019] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the photovoltaic unit is a double-sided photovoltaic panel, and the front and back surfaces of the photovoltaic unit can receive sunlight, the front surface of the photovoltaic unit faces the west, and the back surface of the photovoltaic unit faces the east.

[0020] The photovoltaic power generation device as claimed in any one of the preceding claims, wherein the crossbar is provided with a cleaning nozzle for spraying liquid to the photovoltaic unit to clean the photovoltaic unit.

[0021] A photovoltaic power generation device as described above, the stand column is further provided with a wind turbine for wind power generation.

[0022] Compared with the prior art, the photovoltaic power generation device has the following advantages:

[0023] 1、The plug-in structure allows the photovoltaic unit to be quickly and simply installed on the mounting bracket, significantly reducing installation time and labor costs; the plug-in structure allows the photovoltaic unit to be easily removed when maintenance or replacement is required, improving maintenance efficiency and reducing maintenance costs; at the same time, the locking structure cooperates with the plug-in structure to fix the photovoltaic unit from multiple directions, ensuring that the photovoltaic unit is securely installed after installation; even in strong winds, vibrations, or other harsh environmental conditions, the photovoltaic unit is not easily loosened or detached, improving the stability and safety of the device.

[0024] 2、The sliding connection design of the slide rail and the sliding block allows the photovoltaic unit to easily slide along the slide rail and be installed on the crossbar without the need for complex alignment or fixing operations, further simplifying the installation process.

[0025] 3、The elastic arm and elastic buckle are used to elastically lock the photovoltaic unit towards the stand column from both sides, ensuring stable installation and preventing loosening; the design of the elastic buckle inserted into the locking slot allows the locking process of the photovoltaic unit to be simple and fast without the need for additional tools or complex operations, further simplifying the installation process and improving installation efficiency.

[0026] 4、The photovoltaic power generation device of the present application can include various embodiments, such as a power generation device with only a single photovoltaic unit installed on the stand column, or a power generation device with multiple photovoltaic units installed.

[0027] 5、The utility model also is equipped with wind power fan to convert wind energy into electric energy, the device integrates solar energy and wind power generation function, can realize complementary power generation under different weather conditions, thereby improve the continuity and stability of energy utilization, whether it is sufficient illumination or the environment of strong wind, the device can efficiently generate electricity, reduce energy waste.

[0028] 6、At present, under the shackles of prior art, the efficiency of the back of the photovoltaic panel is only about 75% of the front, and the photovoltaic panel is irradiated by the morning sun for a shorter time than by the afternoon sun in a day, that is, the effective irradiation time of the photovoltaic panel is shorter in the east than in the west, the front of the photovoltaic unit of the utility model faces west, and the back of the photovoltaic unit faces east, so that the photovoltaic unit can better generate electricity by photovoltaic effect. BRIEF DESCRIPTION OF DRAWINGS

[0029] The specific embodiments of the utility model will be further described in detail below in combination with the drawings, wherein:

[0030] Figure 1 It is the structural schematic diagram of the utility model;

[0031] Figure 2 It is the partial exploded schematic diagram of the utility model;

[0032] Figure 3 It is the structural schematic diagram of the plug-in structure in the utility model;

[0033] Figure 4 It is the structural schematic diagram of the locking structure in the utility model;

[0034] Figure 5 It is the structural schematic diagram of the cross bar in the utility model;

[0035] Figure 6 It is the structural schematic diagram of the photovoltaic unit frame in the utility model;

[0036] Figure 7 It is the use reference schematic of the utility model Figure 1 ;

[0037] Figure 8 It is the use reference schematic of the utility model Figure 2 ;

[0038] Figure 9 It is the use reference schematic of the utility model Figure 3 ;

[0039] Figure 10 It is the use reference schematic of the utility model Figure 4 ;

[0040] Figure 11 It is the use reference schematic of the utility modelFigure 5 ;

[0041] Figure 12 is the use reference diagram of the utility model Figure 6 ;

[0042] Figure 13 is the use reference diagram of the utility model Figure 7 ;

[0043] Figure 14 is the use reference diagram of the utility model Figure 8 . DETAILED DESCRIPTION

[0044] The utility model will be further described below in combination with the drawings:

[0045] As Figures 1 to 14 shown in a kind of photovoltaic power generation device, including stand 1 and photovoltaic unit 2, the mounting bracket 3 for installing photovoltaic unit 2 is equipped on the stand 1, the upper end or lower end of the photovoltaic unit 2 or both ends is equipped with the plug-in structure 4 of the photovoltaic unit 2 and mounting bracket 3 between and plug-in structure 4 is fixed on mounting bracket 3, the stand 1 is also equipped with the locking structure 5 of the photovoltaic unit 2 and locking structure 5 is locked in the side of stand 1.

[0046] The photovoltaic power generation device of the utility model, by setting plug-in structure 4, so that photovoltaic unit 2 can be quickly, simply installed to mounting bracket 3, significantly reduce installation time and manpower cost;Plug-in structure 4 makes photovoltaic unit 2 can be easily disassembled when needing maintenance or replacement, improves maintenance efficiency, reduces maintenance cost.At the same time, by locking structure 5 cooperation plug-in structure 4, photovoltaic unit is fixed from multiple directions, ensures that photovoltaic unit 2 is stable after installation, even in strong wind, vibration or other harsh environmental conditions, photovoltaic unit 2 is not easy to loosen or fall off, improves the stability and safety of device.The case simplifies installation and maintenance process, reduces labor and equipment cost, while improving the service life and reliability of photovoltaic power generation device, with higher economy and practicality;By optimizing installation structure, reduce the damage to environment in installation process, while photovoltaic power generation itself as a kind of clean energy, help to reduce carbon emissions, meet the requirements of sustainable development.

[0047] Further, as Figure 3 and 5As shown, the mounting bracket 3 comprises a horizontal bar 31 arranged on the wall of the column 1, the plug-in structure 4 comprises a sliding rail 41 arranged on the horizontal bar 31, the plug-in piece 100 is fixed on the photovoltaic unit 2, the sliding block 42 capable of being inserted into the sliding rail 41 and sliding along the sliding rail 41 is arranged on the plug-in piece 100, and the photovoltaic unit 2 is plugged on the sliding rail 41 of the horizontal bar 31 through the sliding block 42. Through the sliding connection design of the sliding rail 41 and the sliding block 42, the photovoltaic unit 2 can be easily slid along the sliding rail 41 and mounted on the horizontal bar 31, without the need for complex alignment or fixing operation, further simplifying the installation process. The sliding connection mode of the sliding block 42 and the sliding rail 41 enables the photovoltaic unit 2 to be easily slid and disassembled when maintenance or replacement is required, further reducing the difficulty and time cost of maintenance.

[0048] Preferably, the horizontal bar 31 comprises an upper horizontal bar 311 and a lower horizontal bar 312 arranged in an upper-lower mode, and the photovoltaic unit 2 is arranged between the upper horizontal bar 311 and the lower horizontal bar 312, and the upper and lower ends of the photovoltaic unit 2 are fixed on the mounting bracket 3 through the plug-in structure 4, as shown in Figure 1 .

[0049] Further, as shown in Figure 3 , 4 and 6, the side surface of the photovoltaic unit 2 is fixed with a connecting piece 200, the locking structure 5 comprises at least two or more elastic arms 52 fixed on the side wall of the column 1, the elastic arms 52 are distributed on the front and rear sides of the photovoltaic unit 2, and the end of each elastic arm 52 is provided with an elastic buckle 53 capable of being inserted into the locking slot 51 of the connecting piece 200 to elastically lock the photovoltaic unit 2 from both sides to the column 1. Among them, the connecting piece 200 can be integrally arranged or designed in a segmented mode (not shown in the figure), and correspondingly, the photovoltaic unit is elastically locked towards the column 1 from both sides through the elastic arms and the elastic buckles, which is stable and not easy to loosen, and the design that the elastic buckle 53 is inserted into the locking slot 51 makes the locking process of the photovoltaic unit 2 simple and fast, without the need for additional tools or complex operation, further simplifying the installation process and improving the installation efficiency. Among them, the elastic arm 52 can be connected to the column 1 through a threaded fastener or other connecting structure.

[0050] In an embodiment, as shown in Figure 2 , the functional box 6 is connected to the top of the column 1, and the functional box 6 can be provided with a light source and / or a disinfection spray head, etc., so that the device realizes the function of a street lamp or some other functions, such as the effect of disinfection spraying. The adjustment structure 61 capable of adjusting the installation angle of the functional box 6 is arranged between the functional box 6 and the column 1. It is convenient to adjust the extension direction of the lamp column outward on the functional box to adapt to the needs of different installation environments.

[0051] Further, the top of the column 1 is provided with a mounting disc 300, and the adjusting structure 61 comprises a plurality of first mounting holes 611 provided on the mounting disc 300, and the functional box 6 is provided with a plurality of second mounting holes 612 matched with the first mounting holes 611. The second mounting holes 612 are used to cooperate with different first mounting holes 611 and are locked by bolts to adjust the mounting angle of the functional box 6.

[0052] The column 1 can be a cylindrical column or a column with a cross-sectional area of an N-sided polygon, where N is greater than or equal to 3. Of course, the column 1 can also be a multi-prism column or a conical column.

[0053] The photovoltaic power generation device of the utility model can include various embodiments, for example, a power generation device with only a single photovoltaic unit mounted on the column 1, or a power generation device with multiple photovoltaic units mounted. The photovoltaic unit can be a photovoltaic panel arranged on one side of the column 1, or two photovoltaic panels arranged on both sides of the column 1. Further, there can be a plurality of photovoltaic units 2 arranged in the axial direction of the column 1.

[0054] The size of the photovoltaic panel of the photovoltaic unit on the column 1 can be the same or different. The size of the lower photovoltaic unit 2 can be greater than or equal to the size of the upper photovoltaic unit 2, or the size of the photovoltaic unit 2 mounted on the column 1 can gradually increase from top to bottom, and the output voltage of each photovoltaic panel 2 is the same.

[0055] When the number of photovoltaic units 2 is two or more, each photovoltaic unit 21 is connected in parallel to maintain the same voltage, so that the photovoltaic assembly 2 is not affected by weather changes. Each photovoltaic unit 21 can be fully accepted and effectively collected regardless of its own power, achieving the purpose of not wasting electric energy. Because the wind is larger at a high altitude and smaller at a low altitude, different sizes of photovoltaic units 21 can be arranged from top to bottom. When the sizes of the photovoltaic units 21 are different, the number of cell pieces inside will also be different. The number of series and parallel connections of the cell pieces is calculated to achieve the same voltage. For example, assuming that the voltage of each cell piece is 0.6V and the total output voltage is 14.4V, the number of cell pieces of three photovoltaic units 21 is 48, 72 and 96 respectively, the number of cell pieces connected in series in each loop of the first photovoltaic unit 21 is 24, and the number of parallel connections is 2; the number of cell pieces connected in series in each loop of the second photovoltaic unit 21 is 24, and the number of parallel connections is 3; the number of cell pieces connected in series in each loop of the third photovoltaic unit 21 is 24, and the number of parallel connections is 3. Thus, the total output voltage of each photovoltaic unit 21 is the same, which is 14.4V.

[0056] Further, asFigure 1 As shown, diagonal braces 9 are further provided on the columns to support the lower photovoltaic units. The diagonal braces 9 can be provided only on the lowermost photovoltaic units 2, or can be provided below each photovoltaic unit (not shown in the drawings) to make the structure more stable. Of course, one or more of the lowermost photovoltaic units can be replaced by a display screen capable of displaying advertisements.

[0057] In an embodiment, the crossbar 31 is provided with cleaning nozzles 7 for spraying liquid to the photovoltaic units 2 to clean the photovoltaic units 2. The upper crossbar 311 and the lower crossbar 312 can be connected to the columns 1 by threaded fasteners or other connection methods such as welding. The cleaning nozzles 7 can be connected to a gas source and a water source by pipelines, and the pipelines are controlled by an electromagnetic pump and an electromagnetic valve to control the spraying of water and gas. Further, the gas source can be a gas storage tank or an air compressor provided on the columns 1, or can be an external gas storage tank or air compressor. The water source can be a water storage tank provided in the columns 1, or can be an external water tank or a water pipe network.

[0058] Further, the device is further provided with a control system to control the turning on and off of the light source and the cleaning operation, and the photovoltaic units 21 are electrically connected to the control system.

[0059] In an embodiment, a light strip can be further added to the frame of the photovoltaic units 2 to further increase the aesthetic effect.

[0060] In an embodiment, the photovoltaic units 2 are double-sided photovoltaic panels, and the front and back of the photovoltaic units 2 can receive sunlight. The front of the photovoltaic units 2 faces west, and the back of the photovoltaic units 2 faces east. At present, the efficiency of the back of the photovoltaic panel is only about 75% of the front, and the photovoltaic panel is irradiated by the sun for a shorter time in the morning than in the afternoon, i.e., the effective irradiation time of the photovoltaic panel by the east is shorter than that by the west. In the present application, the front of the photovoltaic units 2, i.e., the front of the cell, faces west, and the back of the photovoltaic units 2, i.e., the back of the cell, faces east, so that the photovoltaic units 2 can better generate electricity by photovoltaic effect.

[0061] In an embodiment, the column 1 is also provided with a wind power fan 8 for wind power generation. The wind power fan 8 can be the same as or similar to the wind power mechanism in patent No. CN202411167317.4, patent name: a wind power generation device and a wind power generation control method thereof. Of course, the wind power fan 8 can also be a conventional wind power fan on the market. The column 1 is provided with a storage battery or an external power storage device for storing electric energy. The device integrates solar and wind power generation functions, and can realize complementary power generation under different weather conditions, thereby improving the continuity and stability of energy utilization. Whether it is a sunny or windy environment, the device can generate electricity efficiently and reduce energy waste.

[0062] As Figures 7 to 14 shown in the figure A is a green belt / pedestrian sidewalk, C is a road separation island, and B is a lane. The present photovoltaic power generation device can be used as a street lamp. As Figures 7 to 9 shown is a schematic diagram when the device is installed on a north-south oriented road. As Figure 7 shown is that the device is installed on a separation island between lanes, the front of the photovoltaic unit 2 faces west, the function box 6 extends to the two sides of the lane, and the light source on the box is used for lighting. As Figures 8 to 9 shown is that the device is installed on a green belt / pedestrian sidewalk, the front of the photovoltaic unit 2 faces west, the function box 6 extends to the side of the lane, and the light source on the box is used for lighting. As Figures 10 to 14 shown is a schematic diagram when the device is installed on an east-west oriented road. As Figure 10 shown is that the device is installed on a separation island between lanes, the front of the photovoltaic unit 2 faces west, the function box 6 extends to the two sides of the lane, and the light source on the box is used for lighting. As Figures 11 to 12 shown is that the device is installed on a green belt / pedestrian sidewalk, when the column 1 is relatively short, the photovoltaic unit 2 only extends to the side away from the lane, thereby preventing the driver's line of sight from being blocked, the function box 6 extends to the side of the lane, and the light source on the box is used for lighting. As Figures 13 to 14 shown is that the device is installed on a green belt / pedestrian sidewalk, when the column 1 is relatively high, the photovoltaic unit 2 extends in the north-south direction, so that the front of the photovoltaic unit 2 faces west, the function box 6 extends to the side of the lane, and the light source on the box is used for lighting.

Claims

1. A photovoltaic power generation device, characterized by: The application relates to a photovoltaic column, which comprises a column (1) and a photovoltaic unit (2), the column (1) is provided with a mounting bracket (3), the upper end and / or the lower end of the photovoltaic unit (2) is provided with a plug-in structure (4) for plugging and fixing the photovoltaic unit (2) on the mounting bracket (3), and the column (1) is further provided with a locking structure (5) for locking the photovoltaic unit (2) on the side of the column (1).

2. A photovoltaic power device according to claim 1, wherein: The mounting bracket (3) comprises a horizontal rod (31) arranged on the peripheral wall of the column (1), the plug-in structure (4) comprises a sliding rail (41) arranged on the horizontal rod (31), the photovoltaic unit (2) is fixed with a plug-in piece (100), the plug-in piece (100) is provided with a sliding block (42) capable of being inserted into the sliding rail (41) and sliding along the sliding rail (41), and the photovoltaic unit (2) is plugged on the sliding rail (41) of the horizontal rod (31) through the sliding block (42).

3. A photovoltaic power device according to claim 2, wherein: The horizontal rod (31) comprises an upper horizontal rod (311) and a lower horizontal rod (312) arranged in sequence, the photovoltaic unit (2) is arranged between the upper horizontal rod (311) and the lower horizontal rod (312), and the upper and lower ends of the photovoltaic unit (2) are fixed on the mounting bracket (3) through the plug-in structure (4).

4. A photovoltaic power device according to claim 1, wherein: The side of the photovoltaic unit (2) is fixed with a connecting piece (200), the locking structure (5) comprises at least two or more elastic arms (52) fixed on the side wall of the column (1), the elastic arms (52) are distributed on the front and back sides of the photovoltaic unit (2), the end of each elastic arm (52) is provided with an elastic buckle (53) capable of being inserted into a locking groove (51) of the connecting piece (200) so as to elastically lock the photovoltaic unit (2) on the column (1) from both sides.

5. A photovoltaic power device according to claim 1, wherein: A functional box (6) is mounted on the top of the column (1), and an adjusting structure (61) capable of adjusting the mounting angle of the functional box (6) is arranged between the functional box (6) and the column (1).

6. A photovoltaic power device according to claim 5, wherein: A mounting disc (300) is arranged on the top of the column (1), the adjusting structure (61) comprises a plurality of first mounting holes (611) arranged on the mounting disc (300), and the functional box (6) is provided with a plurality of second mounting holes (612) matched with the first mounting holes (611).

7. A photovoltaic power device according to any one of claims 1 to 6, characterized in that: At least one or more photovoltaic units (2) are mounted on the column (1).

8. A photovoltaic power device according to claim 7, wherein: The photovoltaic unit (2) is a photovoltaic panel arranged on one side of the column (1) or photovoltaic panels arranged on both sides of the column (1).

9. A photovoltaic power device according to claim 8, wherein: A plurality of photovoltaic units (2) are distributed in sequence along the axial direction of the column (1).

10. A photovoltaic power device according to claim 7, wherein: An inclined support (9) is arranged on the column (1) to support the photovoltaic unit (2) from below.

11. A photovoltaic power device according to claim 9, wherein: The size of the photovoltaic unit (2) on the lower layer is greater than or equal to the size of the photovoltaic unit (2) on the upper layer, or the size of the photovoltaic unit (2) mounted on the column (1) gradually increases from top to bottom, and the photovoltaic panel of each photovoltaic unit (2) has the same output voltage.

12. The photovoltaic power device of claim 1, wherein: The photovoltaic unit (2) is a double-sided photovoltaic panel, the front and back of the photovoltaic unit (2) can receive sunlight, the front of the photovoltaic unit (2) faces west, and the back of the photovoltaic unit (2) faces east.

13. The photovoltaic power device of claim 2, wherein: The horizontal rod (31) is provided with a cleaning nozzle (7) for spraying liquid to the photovoltaic unit (2) to clean the photovoltaic unit (2).

14. The photovoltaic power device of claim 1, wherein: The stand column (1) is further provided with a wind power fan (8) for wind power generation.

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