A modular photovoltaic system for building balconies

Abstract

The invention discloses a modular photovoltaic system for a building balcony, comprising a splicing base, a photovoltaic panel is arranged at the middle position of the top of the splicing base, a splicing pipe penetrating the left side wall of the splicing base is inlaid at both the upper and lower ends of the left side of the splicing base, a splicing groove penetrating the right side wall of the splicing base is provided at the middle position of the right side of the splicing base, a first cylinder is fixedly installed at the middle position of the left side wall of the splicing groove inner cavity, a mounting vertical plate is fixedly installed at the output end on the right side of the first cylinder, limited holes are symmetrically arranged at the upper and lower ends of the mounting vertical plate, and the inner cavities of the two groups of limited holes are both provided with limit frames penetrating the limited holes and fixed to the top and bottom positions of the splicing groove inner cavity respectively. Since the structure of the photovoltaic panel of the modular photovoltaic system for the building balcony is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, thereby improving the utilization rate of solar energy.

Description

Technical Field

[0001] The invention relates to the technical field of photovoltaic equipment, in particular to a modular photovoltaic system for a building balcony. Background Art

[0002] Photovoltaic equipment converts solar energy into electrical energy, which can then be used for human production and life. With the continuous reduction of mineral resources, people pay more attention to the use of clean energy such as solar energy, which has led to the rapid development of photovoltaic equipment.

[0003] Currently, most photovoltaic equipment on the market is built on the roofs of buildings. However, due to the limited space on the roofs of buildings, the number of photovoltaic equipment installed is relatively small, which greatly limits the efficiency of solar energy utilization. In addition, the photovoltaic panels used on most photovoltaic equipment on the market are planar structures, and the angle for receiving solar energy is constant, resulting in a low light energy utilization rate. Summary of the invention

[0004] The object of the present invention is to provide a modular photovoltaic system for a building balcony to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a modular photovoltaic system for a building balcony, comprising a splicing base, a photovoltaic panel is arranged at the middle position of the top of the splicing base, splicing tubes penetrating the left side wall of the splicing base are inlaid at the upper and lower ends of the left side of the splicing base, a splicing groove penetrating the right side wall of the splicing base is provided at the middle position of the right side of the splicing base, a first cylinder is fixedly installed at the middle position of the left side wall of the inner cavity of the splicing groove, a mounting vertical plate is fixedly installed at the output end of the right side of the first cylinder, limiting holes are symmetrically provided at the upper and lower ends of the inner cavity of the mounting vertical plate, two groups of limiting hole inner cavities are provided with limiting frames penetrating the limiting holes and fixed to the top and bottom positions of the inner cavity of the splicing groove respectively, and splicing rods engaged with the splicing tube are fixedly welded at the upper and lower ends of the right side wall of the mounting vertical plate.

[0006] Preferably, in the above-mentioned modular photovoltaic system for building balconies, the cross-sectional shapes of the two groups of limit frames are both set to be H-shaped.

[0007] Based on the above technical features, it is convenient to improve the stability of the splicing rod and thus improve the stability of the modular assembly.

[0008] Preferably, in the above-mentioned modular photovoltaic system for building balconies, anti-skid convex balls are evenly fixed at the bottom position of the splicing base.

[0009] Based on the above technical features, it is convenient to improve the anti-slip property.

[0010] Preferably, in the above-mentioned modular photovoltaic system on the building balcony, counterweight placement grooves that penetrate the front side wall of the splicing base are opened at equal intervals in the middle position inside the splicing base, counterweight bars are arranged in the inner cavity positions of the five groups of the counterweight placement grooves, handles are fixedly installed in the middle position of the front side wall of the five groups of the counterweight bars, and the outer walls of the five groups of handles are engraved with anti-slip patterns.

[0011] Based on the above technical features, it is convenient to increase the deadweight and thus improve the wind resistance.

[0012] Preferably, in the above-mentioned modular photovoltaic system on the building balcony, a fixing rod is fixedly welded at the middle position of the top of the splicing base, a positioning sleeve is provided on the outside of the fixing rod, and mounting strips are fixedly welded at equal angles at the front position of the outer wall of the positioning sleeve, and four groups of mounting strips are welded to the inner wall of the photovoltaic panel at one end away from each other.

[0013] Based on the above technical features, it is convenient to improve the stability of photovoltaic panels.

[0014] Preferably, in the above-mentioned modular photovoltaic system for building balconies, the transverse cross-sectional shapes of the fixing rod and the positioning sleeve are both set to be regular hexagons.

[0015] Based on the above technical features, it is convenient to prevent the photovoltaic panel from rotating accidentally.

[0016] Preferably, in the above-mentioned modular photovoltaic system for the building balcony, second cylinders are symmetrically installed on the left and right sides of the top of the splicing base, and the two groups of second cylinders are arranged in the inner cavity of the photovoltaic panel, the output ends of the two groups of the second cylinders close to each other are fixedly welded with positioning vertical plates, and the two groups of positioning vertical plates are arranged below the four groups of mounting bars, the bottom positions of the two groups of the positioning vertical plates are fixedly installed with sliding mechanisms fixed to the top position of the splicing base, the upper ends of the two groups of the positioning vertical plates are provided with positioning holes that penetrate the positioning vertical plates, and the inner cavities of the two groups of the positioning holes are provided with positioning rods that penetrate the positioning holes and are welded to the bottom positions of the left and right side walls of the positioning sleeve.

[0017] Based on the above technical features, it is easy to disassemble and install photovoltaic panels.

[0018] Preferably, in the above-mentioned modular photovoltaic system for a building balcony, the sliding mechanism includes a sliding block and a sliding bottom frame, two groups of the sliding bottom frames are symmetrically welded at the left and right sides of the top of the spliced ​​base, and the two groups of sliding bottom frames are both arranged at the position between the two groups of second cylinders, and the inner cavities of the two groups of sliding bottom frames are both provided with sliding blocks respectively welded to the bottom positions of the two groups of positioning vertical plates.

[0019] Based on the above technical features, it is easy to disassemble and install photovoltaic panels.

[0020] Preferably, in the above-mentioned modular photovoltaic system for building balconies, the transverse cross-section of the photovoltaic panel is arranged to be arc-shaped, and the arc-shaped structure angle range of the photovoltaic panel is 180-270°.

[0021] Based on the above technical features, it is convenient to improve the utilization rate of light energy.

[0022] Preferably, in the above-mentioned modular photovoltaic system for building balconies, a battery box is fixedly welded at the middle position of the back side wall of the splicing base, a battery pack is fixed at the middle position of the bottom of the inner cavity of the battery box, and the battery pack and the photovoltaic panel are electrically connected through a photovoltaic controller.

[0023] Based on the above technical features, it is convenient to store and convert electric energy.

[0024] Compared with the prior art, the present invention has the following beneficial effects:

[0025] First, through the design of the technical solution, since the structure of the photovoltaic panel is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, thereby improving the utilization rate of solar energy;

[0026] Second, through the design of the technical solution, multiple groups of modular photovoltaic systems on the building balcony are arranged in sequence, and then the first cylinder is started to extend and push the installation vertical plate and the splicing rod into the inner cavity of the splicing tube on the modular photovoltaic system on the building balcony on one side to complete the rapid assembly, which is convenient for modular setting of the modular photovoltaic system on the building balcony and convenient for selecting the number of modular photovoltaic systems on the building balcony according to actual conditions;

[0027] Third, through the design of the technical solution, the two groups of second cylinders are started to contract and drive the positioning vertical plates to move so that the positioning holes are separated from the positioning rods. Then the positioning sleeves are lifted upward to drive the mounting strips and the photovoltaic panel to move synchronously until the positioning sleeves are separated from the fixing rods, thereby facilitating the disassembly and replacement of the photovoltaic panels. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a front view cross-sectional structural schematic diagram of the present invention;

[0029] Figure 2 For the present invention Figure 1 A schematic diagram of the enlarged structure of the middle part A;

[0030] Figure 3 It is a schematic diagram of the top view structure of the present invention;

[0031] Figure 4 It is a schematic diagram of the rear cross-sectional structure of the spliced ​​base, battery pack and battery box of the present invention.

[0032] In the figure: 1. mounting strip; 2. splicing tube; 3. splicing base; 4. anti-skid convex ball; 5. counterweight block placement groove; 6. counterweight bar block; 7. handle; 8. first cylinder; 9. limiting hole; 10. limiting frame; 11. splicing groove; 12. splicing rod; 13. mounting vertical plate; 14. second cylinder; 15. positioning rod; 16. positioning hole; 17. positioning sleeve; 18. fixing rod; 19. photovoltaic panel; 20. positioning vertical plate; 21. sliding mechanism; 2101. sliding block; 2102. sliding bottom frame; 22. battery pack; 23. battery box. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0034] See also Figure 1-4 An embodiment of the present invention is as follows: a modular photovoltaic system for a building balcony, comprising a splicing base 3, a photovoltaic panel 19 is arranged at the middle position of the top of the splicing base 3, a splicing tube 2 penetrating the left side wall of the splicing base 3 is inlaid at both upper and lower ends of the left side of the splicing base 3, a splicing groove 11 penetrating the right side wall of the splicing base 3 is provided at the middle position of the right side of the splicing base 3, a first cylinder 8 is fixedly installed at the middle position of the left side wall of the inner cavity of the splicing groove 11, a mounting vertical plate 13 is fixedly installed at the output end on the right side of the first cylinder 8, limiting holes 9 are symmetrically arranged at the upper and lower ends of the inner cavity of the mounting vertical plate 13, the inner cavities of the two groups of limiting holes 9 are both provided with limiting frames 10 penetrating the limiting holes 9 and fixed to the top and bottom positions of the inner cavity of the splicing groove 11 respectively, and splicing rods 12 engaged with the splicing tube 2 are fixedly welded at the upper and lower ends of the right side wall of the mounting vertical plate 13.

[0035] Please refer to the attached figure in the instruction manual Figure 1 : The cross-sectional shapes of the two sets of limiting frames 10 are both set to be H-shaped.

[0036] Please refer to the attached figure in the instruction manual Figure 1 : Anti-skid convex balls 4 are evenly fixed at the bottom position of the splicing base 3.

[0037] Please refer to the attached figure in the instruction manual Figure 1 , 2And 3: Counterweight placement grooves 5 that penetrate the front side wall of the splicing base 3 are evenly spaced at the middle position inside the splicing base 3, and the inner cavity positions of the five groups of counterweight placement grooves 5 are all provided with counterweight strip blocks 6. Handles 7 are fixedly installed at the middle position of the front side wall of the five groups of counterweight strip blocks 6, and the outer walls of the five groups of handles 7 are engraved with anti-slip patterns.

[0038] Please refer to the attached figure in the instruction manual Figure 1 and 3 A fixing rod 18 is fixedly welded at the middle position on the top of the splicing base 3, a positioning sleeve 17 is provided on the outside of the fixing rod 18, and a mounting strip 1 is fixedly welded at an equal angle at the front position of the outer wall of the positioning sleeve 17. The four groups of mounting strips 1 are welded to the inner wall of the photovoltaic panel 19 at one end away from each other.

[0039] Please refer to the attached figure in the instruction manual Figure 3 : The transverse cross-sectional shapes of the fixing rod 18 and the positioning sleeve 17 are both set to be regular hexagons.

[0040] Please refer to the attached figure in the instruction manual Figure 1 and 2 : The second cylinders 14 are symmetrically installed on the left and right sides of the top of the splicing base 3, and the two groups of second cylinders 14 are arranged in the inner cavity of the photovoltaic panel 19, and the output ends of the two groups of second cylinders 14 close to each other are fixedly welded with positioning vertical plates 20, and the two groups of positioning vertical plates 20 are arranged below the four groups of mounting strips 1, and the bottom positions of the two groups of positioning vertical plates 20 are fixedly installed with sliding mechanisms 21 fixed to the top position of the splicing base 3, and the upper ends of the two groups of positioning vertical plates 20 are provided with positioning holes 16 that penetrate the positioning vertical plates 20, and the inner cavities of the two groups of positioning holes 16 are provided with positioning rods 15 that penetrate the positioning holes 16 and are welded to the bottom positions of the left and right side walls of the positioning sleeves 17.

[0041] Please refer to the attached figure in the instruction manual Figure 2 The sliding mechanism 21 includes a sliding block 2101 and a sliding bottom frame 2102. The two sets of sliding bottom frames 2102 are symmetrically welded at the left and right sides of the top of the splicing base 3, and the two sets of sliding bottom frames 2102 are both arranged between the two sets of second cylinders 14. The inner cavities of the two sets of sliding bottom frames 2102 are both provided with sliding blocks 2101 which are respectively welded to the bottom positions of the two sets of positioning vertical plates 20.

[0042] Please refer to the attached figure in the instruction manual Figure 3 : The transverse cross-section of the photovoltaic panel 19 is set to be an arc, and the arc structure angle range of the photovoltaic panel 19 is 180-270°.

[0043] Please refer to the attached figure in the instruction manual Figure 4A battery box 23 is fixedly welded at the middle position of the back side wall of the splicing base 3, and a battery pack 22 is fixed at the middle position of the bottom of the inner cavity of the battery box 23. The battery pack 22 and the photovoltaic panel 19 are electrically connected through a photovoltaic controller.

[0044] Embodiment 1:

[0045] When only the deadweight is increased and the wind resistance is improved, the modular photovoltaic system on the building balcony is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 is facing south. The photovoltaic panel 19 receives sunlight and then converts light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life needs. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. The handle 7 is lifted to drive the counterweight bar block 6 to move and insert it into the inner cavity of the counterweight block placement groove 5 at the appropriate position so that it cooperates with the splicing base 3, thereby increasing the deadweight of the modular photovoltaic system on the building balcony and improving the wind resistance.

[0046] Embodiment 2:

[0047] When it is only convenient for modular assembly, the modular photovoltaic system of the building balcony is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 is facing south. The photovoltaic panel 19 receives sunlight and then converts light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. Multiple groups of modular photovoltaic systems on the building balcony are arranged in sequence, and then the first cylinder 8 is started to extend, thereby pushing the installation vertical plate 13 to slide on the outside of the limit frame 10 through the limit hole 9, thereby driving the splicing rod 12 to extend into the inner cavity of the splicing tube 2 on one side of the modular photovoltaic system on the building balcony to complete the rapid assembly, which is convenient for modular setting of the modular photovoltaic system on the building balcony and convenient for selecting the number of modular photovoltaic systems on the building balcony according to actual conditions.

[0048] Embodiment 3:

[0049] When only the photovoltaic panel 19 is disassembled and replaced, the modular photovoltaic system of the building balcony is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 faces south. The photovoltaic panel 19 receives sunlight and then converts light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. The two groups of second cylinders 14 are started to contract, thereby driving the positioning vertical plate 20 to move in the inner cavity of the sliding bottom frame 2102 through the sliding block 2101, thereby separating the positioning hole 16 from the positioning rod 15, and then lifting the positioning sleeve 17 upward to drive the mounting bar 1 and the photovoltaic panel 19 to move synchronously until the positioning sleeve 17 is separated from the fixing rod 18, thereby facilitating the disassembly and replacement of the photovoltaic panel 19.

[0050] Embodiment 4:

[0051] When increasing the deadweight, improving the wind resistance and modular assembly are carried out continuously, the modular photovoltaic system of the building balcony is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 is facing south. The photovoltaic panel 19 receives the sunlight and then converts the light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. The handle 7 is lifted to drive the counterweight bar block 6 to move and insert it into the counterweight block at the appropriate position to place it. The slot 5 is placed in the inner cavity so that it cooperates with the splicing base 3, thereby increasing the deadweight of the modular photovoltaic system on the building balcony and improving the wind resistance. When multiple groups of assembly are required, the multiple groups of modular photovoltaic systems on the building balcony are arranged in sequence, and then the first cylinder 8 is started to extend, thereby pushing the installation vertical plate 13 to slide on the outside of the limiting frame 10 through the limiting hole 9, thereby driving the splicing rod 12 to extend into the inner cavity of the splicing tube 2 on the modular photovoltaic system on the building balcony on one side, thereby completing the rapid assembly, which is convenient for the modular setting of the modular photovoltaic system on the building balcony, and convenient for selecting the number of modular photovoltaic systems on the building balcony according to actual conditions.

[0052] Embodiment 5:

[0053] When increasing the deadweight, improving the wind resistance and disassembling and replacing the photovoltaic panel 19, the building balcony modular photovoltaic system is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 is facing south. The photovoltaic panel 19 receives sunlight and then converts light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. The handle 7 is lifted to drive the counterweight The strip block 6 is moved and inserted into the inner cavity of the counterweight block placement groove 5 at the appropriate position so that it cooperates with the splicing base 3, thereby increasing the deadweight of the modular photovoltaic system on the building balcony and improving the wind resistance. The two groups of second cylinders 14 are started to contract, thereby driving the positioning vertical plate 20 to move in the inner cavity of the sliding bottom frame 2102 through the sliding block 2101, thereby separating the positioning hole 16 from the positioning rod 15, and then lifting the positioning sleeve 17 upward to drive the installation strip 1 and the photovoltaic panel 19 to move synchronously until the positioning sleeve 17 is separated from the fixing rod 18, thereby facilitating the disassembly and replacement of the photovoltaic panel 19.

[0054] Embodiment 6:

[0055] When the modular assembly and disassembly and replacement of the photovoltaic panel 19 are carried out continuously, the modular photovoltaic system of the building balcony is first placed at an appropriate position on the building balcony through the anti-slip convex ball 4 and the front of the photovoltaic panel 19 is facing south. The photovoltaic panel 19 receives sunlight and then converts light energy into electrical energy and stores it in the battery pack 22, which is convenient for human production and life. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. Multiple groups of modular photovoltaic systems of the building balcony are arranged in sequence, and then the first cylinder 8 is started to extend to push the installation vertical plate 13 to pass through the limit hole 9 in the limit The external sliding of the positioning frame 10 drives the splicing rod 12 to extend into the inner cavity of the splicing tube 2 on the modular photovoltaic system on the building balcony on one side to complete the rapid assembly, which is convenient for the modular setting of the modular photovoltaic system on the building balcony and the selection of the number of modular photovoltaic systems on the building balcony according to actual conditions. The two groups of second cylinders 14 are started to contract, thereby driving the positioning vertical plate 20 to move in the inner cavity of the sliding bottom frame 2102 through the sliding block 2101, thereby separating the positioning hole 16 from the positioning rod 15, and then lifting the positioning sleeve 17 to drive the installation bar 1 and the photovoltaic panel 19 to move synchronously until the positioning sleeve 17 is separated from the fixing rod 18, thereby facilitating the disassembly and replacement of the photovoltaic panel 19.

[0056] Embodiment 7:

[0057] Increase deadweight and improve wind resistance; when modular assembly and disassembly and replacement of photovoltaic panels 19 are carried out continuously, first place the modular photovoltaic system of the building balcony at an appropriate position on the building balcony through the anti-slip convex ball 4 and make the front of the photovoltaic panel 19 face south, and receive sunlight through the photovoltaic panel 19 and then convert light energy into electrical energy and store it in the battery pack 22, which is convenient for human production and life needs. Since the structure of the photovoltaic panel 19 is set as a curved surface, the time for receiving light during the movement of the sun is greatly extended and the receiving rate is high, which improves the utilization rate of solar energy. Lift the handle 7 to drive the counterweight bar block 6 to move and insert it into the inner cavity of the counterweight block placement groove 5 at the appropriate position so that it cooperates with the splicing base 3, increase the deadweight of the modular photovoltaic system of the building balcony, improve wind resistance, and when multiple groups of assembly are required, Arrange multiple groups of modular photovoltaic systems on the building balcony in sequence, then start the first cylinder 8 to extend, thereby pushing the installation vertical plate 13 to slide on the outside of the limit frame 10 through the limit hole 9, thereby driving the splicing rod 12 to extend into the inner cavity of the splicing tube 2 on one side of the modular photovoltaic system on the building balcony, thereby completing the rapid assembly, which is convenient for the modular setting of the modular photovoltaic system on the building balcony and the selection of the number of modular photovoltaic systems on the building balcony according to actual conditions, and start the two groups of second cylinders 14 to contract, thereby driving the positioning vertical plate 20 to move in the inner cavity of the sliding bottom frame 2102 through the sliding block 2101, thereby separating the positioning hole 16 from the positioning rod 15, and then lifting the positioning sleeve 17 upwards to drive the installation bar 1 and the photovoltaic panel 19 to move synchronously until the positioning sleeve 17 is separated from the fixing rod 18, thereby facilitating the disassembly and replacement of the photovoltaic panel 19.

[0058] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", 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 invention. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0059] The preferred embodiments of the present invention disclosed above are only used to help explain the present invention. The preferred embodiments do not describe all the details in detail, nor do they limit the invention to only specific implementation methods. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the present invention, so that those skilled in the art can understand and use the present invention well. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A modular photovoltaic system for a building balcony, comprising a spliced ​​base (3), characterized in that: A photovoltaic panel (19) is arranged at the middle position of the top of the splicing base (3); a splicing tube (2) penetrating the left side wall of the splicing base (3) is inlaid at both the upper and lower ends of the left side of the splicing base (3); a splicing groove (11) penetrating the right side wall of the splicing base (3) is provided at the middle position of the right side of the splicing base (3); a first cylinder (8) is fixedly installed at the middle position of the left side wall of the inner cavity of the splicing groove (11); a mounting vertical plate (13) is fixedly installed at the output end on the right side of the first cylinder (8); limiting holes (9) are symmetrically arranged at the upper and lower ends of the inner cavity of the mounting vertical plate (13); the inner cavities of the two groups of limiting holes (9) are both provided with limiting frames (10) penetrating the limiting holes (9) and respectively fixed to the top and bottom positions of the inner cavity of the splicing groove (11); and a splicing rod (12) engaging with the splicing tube (2) is fixedly welded at both the upper and lower ends of the right side wall of the mounting vertical plate (13); Anti-skid convex balls (4) are evenly fixed at the bottom of the splicing base (3); The second cylinders (14) are symmetrically installed at the left and right sides of the top of the splicing base (3), and the two groups of second cylinders (14) are both arranged in the inner cavity of the photovoltaic panel (19). The output ends of the two groups of second cylinders (14) close to each other are fixedly welded with positioning vertical plates (20), and the two groups of positioning vertical plates (20) are both arranged below the four groups of mounting strips (1). The bottom positions of the two groups of positioning vertical plates (20) are fixedly installed with sliding mechanisms (21) fixed to the top position of the splicing base (3). The upper ends of the two groups of positioning vertical plates (20) are provided with positioning holes (16) penetrating the positioning vertical plates (20), and the inner cavities of the two groups of positioning holes (16) are provided with positioning rods (15) penetrating the positioning holes (16) and welded to the bottom positions of the left and right side walls of the positioning sleeves (17); The sliding mechanism (21) comprises a sliding block (2101) and a sliding bottom frame (2102). Two sets of the sliding bottom frames (2102) are symmetrically welded to the left and right sides of the top of the spliced ​​base (3). The two sets of sliding bottom frames (2102) are both arranged between the two sets of second cylinders (14). The inner cavities of the two sets of sliding bottom frames (2102) are both provided with sliding blocks (2101) which are respectively welded to the bottom positions of the two sets of positioning vertical plates (20).

2. A modular photovoltaic system for building balconies according to claim 1, characterized in that: The cross-sectional shapes of the two groups of limiting frames (10) are both set to be H-shaped.

3. A modular photovoltaic system for building balconies according to claim 1, characterized in that: Counterweight placement grooves (5) penetrating the front side wall of the splicing base (3) are provided at equal intervals in the middle position of the interior of the splicing base (3); counterweight strip blocks (6) are provided in the inner cavity positions of the five groups of counterweight placement grooves (5); handles (7) are fixedly installed in the middle position of the front side wall of the five groups of counterweight strip blocks (6); and the outer walls of the five groups of handles (7) are engraved with anti-slip patterns.

4. A modular photovoltaic system for building balconies according to claim 1, characterized in that: A fixing rod (18) is fixedly welded at the middle position of the top of the splicing base (3), a positioning sleeve (17) is provided on the outside of the fixing rod (18), and a mounting strip (1) is fixedly welded at an equal angle to the front position of the outer wall of the positioning sleeve (17), and four groups of mounting strips (1) are welded to the inner wall of the photovoltaic panel (19) at one end away from each other.

5. A modular photovoltaic system for building balconies according to claim 4, characterized in that: The transverse cross-sectional shapes of the fixing rod (18) and the positioning sleeve (17) are both set to be regular hexagons.

6. The modular photovoltaic system for building balconies according to claim 1, characterized in that: The transverse cross-section of the photovoltaic panel (19) is arranged to be arc-shaped, and the arc-shaped structural angle range of the photovoltaic panel (19) is 180-270°.

7. The modular photovoltaic system for building balconies according to claim 1, characterized in that: A battery box (23) is fixedly welded at the middle position of the back side wall of the splicing base (3), a storage battery pack (22) is fixed at the middle position of the bottom of the inner cavity of the battery box (23), and the storage battery pack (22) and the photovoltaic panel (19) are electrically connected via a photovoltaic controller.

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