Combined support photovoltaic installation system

Abstract

The invention discloses a combined support photovoltaic installation system, and relates to the technical field of photovoltaic supports. The combined support photovoltaic installation system comprises two foldable support assemblies. Each support assembly comprises a first supporting rod, a second supporting rod, a third supporting rod and two sets of sliding pressing blocks. The first supporting rod is used for supporting a photovoltaic module, and the first supporting rod is provided with a first storage groove and a sliding groove; the second supporting rod is provided with a second containing groove. The first end of the second supporting rod is rotationally connected with the first end of the first supporting rod. The second end of the third supporting rod is rotationally connected with the second end of the first supporting rod, and the first end of the third supporting rod is rotationally connected with the second end of the second supporting rod in the unfolded state. The structure of the support assembly is improved, due to the foldable design, the structure is more compact, the size after folding is reduced, packaging materials are saved, and the transportation cost is reduced; the bracket assembly can be pre-assembled, so that the mounting efficiency is improved; in addition, the stress condition of the joint of the support assembly is optimized, and the stress concentration phenomenon is weakened.

Description

Technical Field

[0001] The present invention relates to the technical field of photovoltaic brackets, and particularly relates to a combined bracket photovoltaic installation system. Background Art

[0002] In the prior art, the balcony photovoltaic bracket structure adopts three groups of independent bracket structures, including two groups of triangular bracket components arranged oppositely and a connecting rod connecting these two groups of brackets. The number of parts is large and the overall volume is large. For a photovoltaic bracket with such a structure, generally, each part needs to be installed on the construction site in sequence, and the installation efficiency is low; if pre-installation is carried out in the factory, the overall photovoltaic bracket occupies a large space, which is not conducive to packing and transportation. Summary of the Invention

[0003] The main purpose of the present invention is to provide a combined bracket photovoltaic installation system, aiming to improve the structural compactness of the photovoltaic bracket, so as to save packaging materials, reduce transportation costs, and at the same time enable the photovoltaic bracket to be pre-assembled in the factory and improve the installation efficiency at the construction site.

[0004] To achieve the above object, the present invention provides a combined bracket photovoltaic installation system for fixing a photovoltaic module. The combined bracket photovoltaic installation system includes at least two bracket components, and at least two of the bracket components form a support surface for supporting the photovoltaic module. Each bracket component includes: A first support rod for supporting the photovoltaic module. The first support rod is provided with a first receiving groove and a sliding groove extending along its length direction. The first support rod reserves 3 bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the first support rod; A second support rod. The second support rod reserves 3 bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the second support rod. The first end of the second support rod is rotatably connected to the first end of the first support rod. The second support rod is provided with a second receiving groove extending along its length direction; A third support rod. The third support rod reserves 2 bolt hole positions, which are respectively located at both ends of the third support rod. The first end of the third support rod is rotatably connected to the second end of the second support rod. The second end of the third support rod is rotatably connected to the second end of the first support rod; The bracket assembly has a folded state and an unfolded state; in the folded state, the second support rod is received in the first receiving groove, the third support rod is received in the first receiving groove and the second receiving groove, the three bolt holes of the first support rod correspond to the three bolt holes of the second support rod in position, the bolt holes at both ends of the second support rod, the bolt holes at both ends of the first support rod, and the bolt holes at both ends of the third support rod correspond in position, and three sets of bolts are used to fix the three reserved bolt holes of the first support rod; in the unfolded state, the first support rod, the second support rod and the third support rod form a triangular support structure; and Two sliding pressing blocks, the two sliding pressing blocks are respectively arranged at both ends of the first support rod and form a clamping space for clamping the photovoltaic module, and the two sliding pressing blocks are slidably arranged in the sliding groove to adjust the area of the clamping space.

[0005] Optionally, the sliding pressing block includes a pressing block and a sliding block nut, the pressing block is arranged in a "Z" shape, the pressing block includes a connecting arm, a pressing arm and a limiting arm which are connected in sequence, the sliding block nut is connected with the connecting arm through a bolt, the sliding block nut is slidably arranged in the sliding groove, the pressing arm is used to abut against the side of the photovoltaic module, and the limiting arm is used to limit the photovoltaic module from disengaging from the clamping space in a direction away from the first support rod.

[0006] Optionally, a guiding inclined surface is arranged at one end of the limiting arm away from the pressing arm to guide the photovoltaic module to fall into the clamping space when installing the photovoltaic module.

[0007] Optionally, the bracket assembly further includes a first hook and a second hook for hanging on two cross bars of a guardrail, the first hook is arranged at the hinge joint of the second end of the second support rod and the first end of the third support rod, and the second hook is arranged at the hinge joint of the second end of the first support rod and the second end of the third support rod.

[0008] Optionally, the first hook includes a hanging member, a first fastening knob and a connecting member, the hanging member forms a first hanging groove, the first fastening knob is arranged on the hanging member and extends into the first hanging groove to lock the cross bar of the guardrail in the first hanging groove, and the connecting member is connected with the hanging member and is connected with the second end of the second support rod and the first end of the third support rod.

[0009] Optionally, the second hook includes a hanging arm, a second fastening knob, and two connecting ears. The hanging arm forms a second hanging slot. The second fastening knob is arranged on the hanging arm and extends into the second hanging slot for locking the crossbar of the guardrail in the second hanging slot. The two connecting ears are respectively arranged on both sides of the hanging arm and are connected to the second end of the first support rod and the second end of the third support rod.

[0010] Optionally, the connecting member of the first hook, the second support rod, and the third support rod are rotationally connected by a first smooth round shaft; the connecting ears of the second hook, the first support rod, and the third support rod are rotationally connected by a second smooth round shaft; the first support rod and the second support rod are rotationally connected by a third smooth round shaft; In the folded state, the middle parts of the first support rod and the second support rod are connected by a fourth smooth round shaft; wherein, the second smooth round shaft, the third smooth round shaft, and the fourth smooth round shaft constitute 3 sets of the bolts.

[0011] Optionally, the first smooth round shaft, the second smooth round shaft, the third smooth round shaft, and the fourth smooth round shaft are all special bolts, and the special bolts are provided with a smooth outer surface in their circumferences for reducing stress concentration at the connection.

[0012] Optionally, the combined support photovoltaic installation system has a first installation mode and a second installation mode; When the support assembly is in the folded state, the combined support photovoltaic installation system is in the first installation mode to install the photovoltaic module parallel to the guardrail or the ground; When the support assembly is in the unfolded state, the combined support photovoltaic installation system is in the second installation mode to install the photovoltaic module obliquely on the guardrail or the ground.

[0013] Optionally, when the combined support photovoltaic installation system is in the second installation mode, the inner angle formed by the connection of the first support rod and the third support rod is 30°.

[0014] In the technical solution of the present invention, the combined support photovoltaic installation system includes at least two support components, and the at least two support components form a support surface for supporting photovoltaic modules. Each support component includes a first support rod, a second support rod, a third support rod, and two sliding pressing blocks. The first support rod is used to support the photovoltaic module, and the first support rod is provided with a first receiving groove and a sliding groove extending along its length direction. The first support rod reserves 3 bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the first support rod. The second support rod reserves 3 bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the second support rod. The first end of the second support rod is rotatably connected to the first end of the first support rod, and the second support rod is provided with a second receiving groove extending along its length direction. The third support rod reserves 2 bolt hole positions, which are respectively located at both ends of the third support rod. The first end of the third support rod is rotatably connected to the second end of the second support rod, and the second end of the third support rod is rotatably connected to the second end of the first support rod. The support component has a folded state and an unfolded state. In the folded state, the second support rod is received in the first receiving groove, and the third support rod is received in the first receiving groove and the second receiving groove. The 3 bolt hole positions of the first support rod correspond to the 3 bolt hole positions of the second support rod. The bolt hole positions at both ends of the second support rod, the bolt hole positions at both ends of the first support rod, and the bolt hole positions at both ends of the third support rod correspond to each other. 3 groups of bolts are used to fix at the 3 bolt hole positions reserved on the first support rod. In the unfolded state, the first support rod, the second support rod, and the third support rod form a triangular support structure. The two sliding pressing blocks are respectively arranged at both ends of the first support rod and form a clamping space for clamping the photovoltaic module. The two sliding pressing blocks are slidably arranged in the sliding groove to adjust the area of the clamping space. It can be understood that by adopting the foldable photovoltaic support with the above structure in the present invention, the structure is more compact, the volume after folding is small, the packaging materials are saved, and the transportation cost is reduced. The combined support photovoltaic installation system can be pre-assembled, greatly improving the installation efficiency at the construction site. In addition, the present invention also optimizes the stress conditions at the joints of the combined support photovoltaic installation system and weakens the stress concentration phenomenon. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present invention. For those of ordinary skill in the art, without creative efforts, other drawings can be obtained based on the structures shown in these drawings.

[0016] Figure 1 It is a schematic application diagram of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 2 It is another schematic application diagram of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 3 Another application schematic diagram of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 4 Structural schematic diagram of the combined support photovoltaic installation system of the present invention in an unfolded state in an embodiment; Figure 5 Structural schematic diagram of the combined support photovoltaic installation system of the present invention in a folded state in an embodiment; Figure 6 Top view of the combined support photovoltaic installation system of the present invention in a folded state in an embodiment; Figure 7 Structural schematic diagram of the sliding pressing block of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 8 Structural schematic diagram of the first hook of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 9 Structural schematic diagram of the second hook of the combined support photovoltaic installation system of the present invention in an embodiment; Figure 10 Structural schematic diagram of the special bolt of the combined support photovoltaic installation system of the present invention in an embodiment.

[0017] Explanation of the reference numerals in the drawings: 100, support assembly; 200, photovoltaic module; 300, guardrail; 10, first support rod; 20, second support rod; 30, third support rod; 40, sliding pressing block; 10a, first storage groove; 10b, sliding groove; 20a, second storage groove; 41, slider nut; 421, connecting arm; 422, pressing arm; 423, limiting arm; 4231, guiding inclined surface; 50, first hook; 60, second hook; 51, hanging part; 52, first fastening knob; 53, connecting part; 61, hanging arm; 62, second fastening knob; 63, connecting ear; 70, special bolt.

[0018] The realization of the purpose, functional features and advantages of the present invention will be further described with reference to the embodiments and the accompanying drawings. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0020] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative positional relationship and movement conditions between components in a specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indications will also change accordingly.

[0021] In the description of the present invention, it should also be noted that unless otherwise clearly defined and limited, the terms "installation", "connection", and "coupling" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0022] In addition, the descriptions involving "first", "second", etc. in the present invention are only for descriptive purposes and should not be construed as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, the features defined with "first" and "second" may explicitly or implicitly include at least one of such features. In addition, the meaning of "and / or" appearing throughout the text is that it includes three parallel scenarios. Taking "A and / or B" as an example, it includes Scenario A, or Scenario B, or the scenario where both A and B are satisfied simultaneously. In addition, the technical solutions between various embodiments can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the protection scope required by the present invention.

[0023] The present invention provides a combined bracket photovoltaic installation system, which can be used as a balcony photovoltaic bracket or applicable to other support scenarios for photovoltaic power generation such as ground photovoltaic brackets, without limitation here.

[0024] Refer to Figures 1 to 6, in an embodiment of the present invention, the combined support photovoltaic installation system includes at least two support assemblies 100. At least two support assemblies 100 form a support surface for supporting the photovoltaic module 200. Each support assembly 100 includes a first support rod 10, a second support rod 20, a third support rod 30, and two sliding pressing blocks 40. The first support rod 10 is used to support the photovoltaic module 200. The first support rod 10 is provided with a first receiving groove 10a and a sliding groove 10b extending along its length direction. The first support rod 10 reserves three bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the first support rod 10. The first end of the second support rod 20 is rotatably connected to the first end of the first support rod 10. The second support rod 20 is provided with a second receiving groove 20a extending along its length direction. The second support rod 20 reserves three bolt hole positions, which are respectively located at the first end, the middle part, and the second end of the second support rod 20. The first end of the third support rod 30 is rotatably connected to the second end of the second support rod 20, and the second end of the third support rod 30 is rotatably connected to the second end of the first support rod 10. The support assembly 100 has a folded state and an unfolded state. In the folded state, the second support rod 20 is received in the first receiving groove 10a, the third support rod 30 is received in the second receiving groove 20a and the first receiving groove 10a. The three bolt hole positions of the first support rod 10 correspond to the three bolt hole positions of the second support rod 20. The bolt hole positions at both ends of the second support rod 20, the bolt hole positions at both ends of the first support rod 10, and the bolt hole positions at both ends of the third support rod 30 correspond. Three groups of bolts are used to fix the three bolt hole positions reserved on the first support rod 10. In the unfolded state, the first support rod 10, the second support rod 20, and the third support rod 30 form a triangular support structure. The two sliding pressing blocks 40 are respectively arranged at both ends of the first support rod 10 and form a clamping space for clamping the photovoltaic module 200. The two sliding pressing blocks 40 are slidably arranged in the sliding groove 10b to adjust the area of the clamping space.

[0025] In this embodiment, the first support rod 10, the second support rod 20, and the third support rod 30 can all be preferably made of metal materials such as stainless steel and aluminum alloy. The first receiving groove 10a can be adaptively designed according to the specific shape and size of the whole of the second support rod 20 and the third support rod 30, and the second receiving groove 20a can be adaptively designed according to the specific shape and size of the third support rod 30, as long as it can achieve rotational folding and storage. Preferably Figure 6 the U-shaped structure shown (both the second support rod 20 and the third support rod 30 are U-shaped structures. The illustrated one is an inverted U-shaped. The U-shaped second support rod 20 itself forms a U-shaped groove, that is, the second receiving groove 20a. And the first support rod 10 is a structure with a sliding groove 10b recessed inward on the basis of the U-shaped structure. The first receiving groove 10a is formed by the first support rod 10 itself, specifically formed by the side walls, the bottom wall of the illustrated first support rod 10, and the groove walls of the sliding groove 10b recessed on the bottom wall), which is not limited here.

[0026] It can be understood that by adopting the foldable photovoltaic bracket with the above structure, the present invention has a more compact structure, a small volume after folding, saves packaging materials, and reduces transportation costs; moreover, the combined bracket photovoltaic installation system can be pre-assembled, greatly improving the installation efficiency at the construction site.

[0027] In one embodiment, as Figure 1 、 Figure 4 and Figure 7 shown, the sliding pressing block 40 may include a pressing block and a slider nut 41. The pressing block is arranged in a "Z" shape and includes a connecting arm 421, a pressing arm 422 and a limiting arm 423 connected in sequence. The slider nut 41 is connected to the connecting arm 421 by a bolt. The slider nut 41 is slidably arranged in the chute 10b. The pressing arm 422 is used to abut against the side of the photovoltaic module 200, and the limiting arm 423 is used to limit the photovoltaic module 200 from disengaging from the clamping space in the direction away from the first support rod 10. In this way, it helps to further improve the stability of the combined bracket photovoltaic installation system for fixing the photovoltaic module 200 and adapt to different specifications of the photovoltaic module 200.

[0028] For the convenience of assembly, mainly referring to Figure 7 , in this embodiment, a guiding inclined surface 4231 may be provided at one end of the limiting arm 423 away from the pressing arm 422 to guide the photovoltaic module 200 to fall into the clamping space when installing the photovoltaic module 200.

[0029] To install the combined bracket photovoltaic installation system and the photovoltaic module 200 thereon on the guardrail 300 such as a balcony, in one embodiment, referring to Figures 1 to 9 , the bracket assembly 100 of the combined bracket photovoltaic installation system may further include a first hook 50 and a second hook 60 for hanging on two crossbars of the guardrail 300. The first hook 50 is arranged at the hinge joint of the second end of the second support rod 20 and the first end of the third support rod 30, and the second hook 60 is arranged at the hinge joint of the second end of the first support rod 10 and the second end of the third support rod 30.

[0030] In this embodiment, mainly referring to Figure 8 , the first hook 50 may include a hanging member 51, a first fastening knob 52 and a connecting member 53. The hanging member 51 forms a first hanging groove. The first fastening knob 52 is arranged on the hanging member 51 and extends into the first hanging groove to lock the crossbar of the guardrail 300 in the first hanging groove. The connecting member 53 is connected to the hanging member 51 and is connected to the first end of the third support rod 30 and the second end of the second support rod 20. In this way, it can ensure the convenience and stability of the connection between the bottom of the combined bracket photovoltaic installation system and the crossbar of the guardrail 300.

[0031] Among them, the hanging member 51 and the connecting member 53 can be connected by bolts. The hanging member 51 can be provided with mounting holes extending along the length direction of the third support rod 30, and the mounting holes can allow the bolts to pass through, so that the mounting position of the hanging member 51 can be adjusted to meet the mounting requirements of the upper and lower crossbar spacings of different guardrails 300, which helps to further expand the applicable range of the combined support photovoltaic installation system.

[0032] In this embodiment, mainly referring to Figure 9 , the second hook 60 can include a hanging arm 61, a second fastening knob 62 and two connecting ears 63. The hanging arm 61 forms a second hanging groove, and the second fastening knob 62 is arranged on the hanging arm 61 and extends into the second hanging groove to lock the crossbar of the guardrail 300 in the second hanging groove. The two connecting ears 63 are respectively arranged on both sides of the hanging arm 61 and are connected to the second ends of the first support rod 10 and the third support rod 30. In this way, the convenience and stability of the connection between the top of the combined support photovoltaic installation system and the crossbar of the guardrail 300 can be ensured, and the support stability of the combined support photovoltaic installation system is further improved.

[0033] In the prior art, the connection between the support rods of the balcony photovoltaic support is mainly based on hole-locked screw groups, and the stress conditions are not good, resulting in the connection of the support becoming a structural weak point.

[0034] In response to this, the present invention has made further improvements: as Figures 1 to 10 shown, the connecting member 53, the second support rod 20 and the third support rod 30 are rotatably connected by a first smooth round shaft; the connecting ear 63, the first support rod 10 and the third support rod 30 can be rotatably connected by a second smooth round shaft; the first support rod 10 and the second support rod 20 are rotatably connected by a third smooth round shaft. In this embodiment, mainly referring to Figure 10 , the first smooth round shaft, the second smooth round shaft, the third smooth round shaft and the fourth smooth round shaft can all adopt special bolts 70, and the special bolts 70 are provided with a smooth outer surface in their circumferences to reduce stress concentration at the connection.

[0035] It should be noted that when in the folded state, the middle parts of the first support rod 10 and the second support rod 20 are connected by a fourth smooth round shaft; among them, the second smooth round shaft, the third smooth round shaft and the fourth smooth round shaft constitute the above-mentioned 3 groups of bolts.

[0036] In one embodiment, the combined support photovoltaic installation system has a first installation mode and a second installation mode; as Figure 2 shown, when the support assembly 100 is in the folded state, the combined support photovoltaic installation system is in the first installation mode to install the photovoltaic module 200 parallel to the guardrail 300 or the ground; as Figure 1 and Figure 3As shown in the figure, when the bracket assembly 100 is in the deployed state, the combined bracket photovoltaic installation system is in the second installation mode, and the photovoltaic module 200 is inclinedly installed on the guardrail 300 or the ground.

[0037] That is to say, the combined bracket photovoltaic installation system of the present invention is applicable to a variety of application scenarios. The photovoltaic module 200 can be installed in parallel on the balcony guardrail 300 or the ground or other places, or the photovoltaic module 200 can be installed obliquely on the balcony guardrail 300 or the ground or other places. By adopting such a structural design, the application scenarios of the combined bracket photovoltaic installation system are greatly enriched.

[0038] Preferably, referring to Figure 4 , when the combined bracket photovoltaic installation system is in the second installation mode, the inner angle formed by the connection of the first strut 10 and the third strut 30 is 30°. In this way, the photovoltaic module 200 can absorb more solar energy, which is beneficial to improving the efficiency of photovoltaic power generation.

[0039] For the first installation mode, the three groups of special bolts 70 connecting the three struts can be pre-assembled in the factory and then transported to the construction site, and the parallel installation of the bracket assembly 100 can be easily realized. For the second installation mode, the three groups of special bolts 70 connecting the three struts can be pre-assembled in the factory and then transported to the construction site, and then only the middle group of special bolts 70 (i.e., the fourth smooth shaft) connecting the first strut 10 and the third strut 30 needs to be disassembled and reassembled (bolt holes are provided on the first strut 10 and the second strut 20 corresponding to the positions where the special bolts 70 are located in the folded state for the special bolts 70 to pass through to lock the second strut 20 and the third strut 30 in the first strut 10 to maintain the stable folded form of the bracket assembly 100; during on-site construction, only this special bolt 70 needs to be disassembled and reassembled), and the inclined installation of the bracket assembly 100 can be easily realized.

[0040] In summary, the combined bracket photovoltaic installation system of the present invention has at least the following beneficial effects: 1) The struts of the combined bracket photovoltaic installation system of the present invention can be folded and nested together to form a compact whole, reducing the overall occupied space of the combined bracket photovoltaic installation system during transportation, saving packaging materials, and reducing transportation costs.

[0041] 2) The present invention uses special bolts as the rotating shafts at the hinge joints, which can realize pre-assembly, greatly improving the installation efficiency; moreover, the special bolts have a smooth outer surface, optimizing the stress conditions and reducing stress concentration.

[0042] 3) The combined support photovoltaic installation system of the present invention adopts a triangular support structure, ensuring the firm installation of photovoltaic modules. As a classic and efficient mechanical structure, the triangular support structure has the advantages of high stability, high strength, and material saving, making it an ideal choice for the design of photovoltaic supports.

[0043] 4) The combined support photovoltaic installation system of the present invention is designed with a sliding pressing block 40. A slider nut 41 connected to the pressing block is built into the strut chute 10b. The photovoltaic module 200 is connected to the support assembly 100 of the combined support photovoltaic installation system through the pressing block and the slider nut 41. Compared with the traditional method adopted by other manufacturers in the market, which directly opens holes on the back of the photovoltaic module 200 and uses small bolts or self-tapping screws to connect with the combined support photovoltaic installation system, the present invention shows significant superiority and does not damage the photovoltaic module 200. The combined support photovoltaic installation system of the present invention can flexibly select slider nuts 41 with different lengths, shapes, and cross-sections according to the load conditions borne by the photovoltaic module 200, so as to adjust the contact area between the slider nut 41 and the first strut 10, ensure the close fit of the connection part between the sliding pressing block 40 and the first strut 10, and at the same time avoid the problem of stress concentration, enabling the pressing block to apply a stable pressure on the surface of the photovoltaic module 200, effectively preventing phenomena such as loosening, displacement, or damage that may occur during the installation and long-term operation of the photovoltaic module 200.

[0044] 4) The combined support photovoltaic installation system of the present invention supports multi-angle installation and can be applied to multiple application scenarios such as balconies or the ground, improving the assembly flexibility. This combined support photovoltaic installation system supports at least two installation modes: 30° or 0°. Disassembling each group of supports can achieve a 30° inclined installation, and directly connecting the undismantled supports to the hooks can achieve a 0° parallel installation.

[0045] The above are only optional embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or any direct / indirect application in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A combined bracket photovoltaic installation system for fixing photovoltaic modules, characterized in that: The combined bracket photovoltaic installation system comprises at least two bracket assemblies, at least two of which form a support surface for supporting the photovoltaic assembly, and each of the bracket assemblies comprises: A first support rod, used to support the photovoltaic assembly, the first support rod is provided with a first receiving groove and a sliding groove extending along the length direction thereof, and the first support rod is provided with three bolt holes, which are respectively located at the first end of the first support rod, the middle of the first support rod and the second end of the first support rod; A second support rod, wherein three bolt holes are reserved on the second support rod, respectively located at a first end of the second support rod, a middle portion of the second support rod and a second end of the second support rod, the first end of the second support rod is rotatably connected to the first end of the first support rod, and the second support rod is provided with a second receiving groove extending along a length direction thereof; A third support rod, wherein two bolt holes are reserved on the third support rod, respectively located at two ends of the third support rod, a first end of the third support rod is rotatably connected to the second end of the second support rod, and a second end of the third support rod is rotatably connected to the second end of the first support rod; The bracket assembly has a folded state and an unfolded state; in the folded state, the second support rod is received in the first receiving groove, the third support rod is received in the first receiving groove and the second receiving groove, the three bolt holes of the first support rod correspond to the three bolt holes of the second support rod, the bolt holes at both ends of the second support rod, the bolt holes at both ends of the first support rod, and the bolt holes at both ends of the third support rod correspond to each other, and the three bolt holes reserved in the first support rod are fixed with three groups of bolts; in the unfolded state, the first support rod, the second support rod and the third support rod form a triangular support structure; and Two sliding pressing blocks are respectively arranged at two ends of the first support rod to form a clamping space for clamping the photovoltaic component. The two sliding pressing blocks are slidably arranged in the sliding groove to adjust the area of ​​the clamping space.

2. The combined bracket photovoltaic installation system according to claim 1, characterized in that: The sliding pressure block includes a pressure block and a slider nut, the pressure block is arranged in a "Z" shape, the pressure block includes a connecting arm, a clamping arm and a limiting arm connected in sequence, the slider nut is connected to the connecting arm by bolts, the slider nut is slidably arranged in the slide groove, the clamping arm is used to press against the side of the photovoltaic component, and the limiting arm is used to limit the photovoltaic component from detaching from the clamping space in a direction away from the first support rod.

3. The combined bracket photovoltaic installation system according to claim 2, characterized in that: A guiding slope is provided on one end of the limiting arm away from the clamping arm to guide the photovoltaic component to fall into the clamping space when the photovoltaic component is installed.

4. The combined bracket photovoltaic installation system according to claim 1, characterized in that: The bracket assembly also includes a first hook and a second hook for hanging on the two cross bars of the guardrail, the first hook is arranged at the hinge between the second end of the second support rod and the first end of the third support rod, and the second hook is arranged at the hinge between the second end of the first support rod and the second end of the third support rod.

5. The combined bracket photovoltaic installation system according to claim 4, characterized in that: The first hook includes a hanging member, a first fastening knob and a connecting member, the hanging member forms a first hanging groove, the first fastening knob is arranged on the hanging member and extends into the first hanging groove to lock the cross bar of the guardrail in the first hanging groove, and the connecting member is connected to the hanging member and connected to the second end of the second support rod and the first end of the third support rod.

6. The combined bracket photovoltaic installation system according to claim 5, characterized in that: The second hook includes a hanging arm, a second fastening knob and two connecting ears. The hanging arm forms a second hanging slot. The second fastening knob is arranged on the hanging arm and extends into the second hanging slot to lock the cross bar of the guardrail in the second hanging slot. The two connecting ears are respectively arranged on both sides of the hanging arm and connected to the second end of the first support rod and the second end of the third support rod.

7. The combined bracket photovoltaic installation system according to claim 6, characterized in that: The connecting piece of the first hook, the second support rod and the third support rod are rotatably connected via a first light circle rotating shaft; the connecting ear of the second hook, the first support rod and the third support rod are rotatably connected via a second light circle rotating shaft; the first support rod and the second support rod are rotatably connected via a third light circle rotating shaft; In the folded state, the middle portion of the first support rod and the middle portion of the second support rod are connected via a fourth optical circle rotation axis; wherein the second optical circle rotation axis, the third optical circle rotation axis and the fourth optical circle rotation axis constitute three groups of the bolts.

8. The combined bracket photovoltaic installation system according to claim 7, characterized in that: The first light circle rotation axis, the second light circle rotation axis, the third light circle rotation axis and the fourth light circle rotation axis are all special bolts, and the special bolts are provided with a smooth outer surface in the circumference thereof to reduce stress concentration at the connection.

9. The combined bracket photovoltaic installation system according to claim 1, characterized in that: The combined bracket photovoltaic installation system has a first installation mode and a second installation mode; When the support assembly is in a folded state, the combined support photovoltaic mounting system is in a first mounting mode, so as to mount the photovoltaic assembly parallel to a guardrail or the ground; When the support assembly is in the unfolded state, the combined support photovoltaic installation system is in the second installation mode, so as to install the photovoltaic assembly obliquely on a guardrail or the ground.

10. The combined bracket photovoltaic installation system according to claim 9, characterized in that: When the combined bracket photovoltaic installation system is in the second installation mode, the inner angle formed by the connection between the first support rod and the third support rod is 30°.

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